/* ==========================================================================
   ATA UR REHMAN — PORTFOLIO STYLESHEET
   Editorial / Minimalist / High-Performance AI Engineering Portfolio
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design Tokens & CSS Variables
   -------------------------------------------------------------------------- */
:root {
  --bg: #07080b;
  --panel: #0d1015;
  --text: #f5f5f2;
  --text-dim: #d7d9d2;
  --muted: #9fa4ae;           /* WCAG AA compliant on dark backgrounds (5.4:1) */
  --line: rgba(20, 26, 33, 0.12);
  --line-dark: rgba(255, 255, 255, 0.11);
  --line-highlight: rgba(200, 255, 61, 0.32);
  --accent: #c8ff3d;
  --accent-soft: rgba(200, 255, 61, 0.16);
  --font-sans: "Manrope", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --mono: "DM Mono", "SF Mono", Consolas, monospace;
  --max: 1280px;
}

/* --------------------------------------------------------------------------
   2. Reset & Global Styles
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

button,
a,
input {
  font: inherit;
}

a {
  text-decoration: none;
  color: inherit;
}

button {
  border: 0;
  background: none;
  color: inherit;
  cursor: pointer;
}

/* --------------------------------------------------------------------------
   3. Accessibility & Focus States
   -------------------------------------------------------------------------- */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.section-light :focus-visible {
  outline-color: #111111;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 20px;
  background: var(--accent);
  color: #0b0d08;
  padding: 12px 18px;
  font: 600 12px var(--font-sans);
  z-index: 9999;
  text-decoration: none;
  border-radius: 2px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  transition: top 0.18s cubic-bezier(0.16, 1, 0.3, 1);
}

.skip-link:focus {
  top: 16px;
}

/* --------------------------------------------------------------------------
   4. Layout Containers
   -------------------------------------------------------------------------- */
.shell {
  width: min(calc(100% - 64px), var(--max));
  margin: 0 auto;
  position: relative;
}

.section-dark {
  background: var(--bg);
  color: var(--text);
}

.section-light {
  background: #f0f0eb;
  color: #090a0c;
}

/* --------------------------------------------------------------------------
   5. Background FX & Interactive Cursor
   -------------------------------------------------------------------------- */
.noise {
  position: fixed;
  inset: -50%;
  z-index: 20;
  pointer-events: none;
  opacity: 0.045;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.95' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.9'/%3E%3C/svg%3E");
  animation: noise 9s steps(9) infinite;
  will-change: transform;
}

.cursor-dot,
.cursor-ring {
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 80;
  transform: translate(-50%, -50%);
}

.cursor-dot {
  width: 5px;
  height: 5px;
  background: var(--accent);
  border-radius: 50%;
}

.cursor-ring {
  width: 34px;
  height: 34px;
  border: 1px solid rgba(200, 255, 61, 0.65);
  border-radius: 50%;
  transition: width 0.2s, height 0.2s, background 0.2s, border-color 0.2s;
  mix-blend-mode: difference;
}

.cursor-ring.hover {
  width: 58px;
  height: 58px;
  background: rgba(200, 255, 61, 0.08);
}

/* Hide cursor on coarse touch screens */
@media (pointer: coarse) {
  .cursor-dot,
  .cursor-ring {
    display: none !important;
  }
}

body.touch .cursor-dot,
body.touch .cursor-ring {
  display: none !important;
}

/* --------------------------------------------------------------------------
   6. Navigation & Topbar
   -------------------------------------------------------------------------- */
.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 60;
  height: 76px;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  mix-blend-mode: normal;
  transition: background 0.4s, backdrop-filter 0.4s, -webkit-backdrop-filter 0.4s, border 0.4s;
}

.topbar.scrolled {
  background: rgba(7, 8, 11, 0.78);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line-dark);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font: 500 12px var(--mono);
  letter-spacing: 0.08em;
}

.brand-mark {
  width: 27px;
  height: 27px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: grid;
  place-items: center;
  border-radius: 50%;
  font: 500 11px var(--mono);
}

.topnav {
  display: flex;
  gap: 28px;
  font: 500 11px var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.topnav a {
  opacity: 0.75;
  transition: opacity 0.2s, color 0.2s;
}

.topnav a:hover {
  opacity: 1;
  color: var(--accent);
}

.nav-contact {
  font: 500 11px var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  display: flex;
  gap: 9px;
  align-items: center;
}

.nav-contact span {
  color: var(--accent);
}

/* Mobile Navigation Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 6px;
  background: none;
  border: 1px solid rgba(255, 255, 255, 0.15);
  cursor: pointer;
}

.hamburger-line {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--text);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-toggle[aria-expanded="true"] .hamburger-line:first-child {
  transform: translateY(3.25px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .hamburger-line:last-child {
  transform: translateY(-3.25px) rotate(-45deg);
}

/* Mobile Drawer Menu */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 76px 0 0 0;
  background: rgba(7, 8, 11, 0.96);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  z-index: 59;
  padding: 40px 32px;
  flex-direction: column;
  overflow-y: auto;
}

.mobile-menu.open {
  display: flex;
}

.mobile-menu nav {
  display: flex;
  flex-direction: column;
}

.mobile-menu nav a {
  font: 600 clamp(28px, 6vw, 42px) var(--font-sans);
  letter-spacing: -0.03em;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-dark);
  transition: color 0.2s, padding-left 0.2s;
}

.mobile-menu nav a:hover {
  color: var(--accent);
  padding-left: 8px;
}

.mobile-linkedin {
  margin-top: auto;
  font: 500 11px var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 24px 0 10px;
  border-top: 1px solid var(--line-dark);
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-dim);
}

.mobile-linkedin span {
  color: var(--accent);
}

/* --------------------------------------------------------------------------
   7. Typography Utilities & Eyebrows
   -------------------------------------------------------------------------- */
.eyebrow,
.section-index,
.section-head-copy,
.project-type,
.tech-line,
.timeline-tag,
.timeline-tools,
.contact-footer,
.hero-meta,
.hero-rail,
.hero-corner {
  font: 500 10px var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow {
  display: flex;
  gap: 10px;
  align-items: center;
  color: #a3a7b0;
  margin-bottom: 30px;
}

.eyebrow-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 18px var(--accent);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
  padding: 15px 17px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  min-width: 175px;
  font: 500 11px var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  transition: transform 0.25s, border 0.25s, background 0.25s;
}

.button-primary {
  background: var(--accent);
  color: #0b0d08;
  border-color: var(--accent);
  font-weight: 600;
}

.button-primary:hover {
  background: #d8ff6b;
  transform: translateY(-2px);
}

.button-ghost {
  background: rgba(255, 255, 255, 0.03);
}

.button-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

.button-ghost span {
  opacity: 0.6;
}

/* --------------------------------------------------------------------------
   8. Hero Section with 3D Workfield
   -------------------------------------------------------------------------- */
.hero {
  min-height: 100vh;
  min-height: 100svh;
  position: relative;
  display: block;
  overflow: hidden;
  padding: 0;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 90px 90px;
  -webkit-mask-image: radial-gradient(circle at 67% 45%, black 0, rgba(0, 0, 0, 0.7) 28%, transparent 70%);
  mask-image: radial-gradient(circle at 67% 45%, black 0, rgba(0, 0, 0, 0.7) 28%, transparent 70%);
  opacity: 0.25;
}

.hero-content {
  position: relative;
  z-index: 3;
  padding-top: 12vh;
}

.hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(40px, 5vw, 100px);
  align-items: center;
  min-height: 72vh;
}

.hero-copy-column {
  max-width: 820px;
  position: relative;
  z-index: 4;
}

.hero-name {
  font: 600 clamp(11px, 1.1vw, 15px) var(--mono);
  letter-spacing: 0.2em;
  color: #e6e8e1;
  margin-bottom: 14px;
  position: relative;
  display: flex;
  align-items: center;
}

.hero-name::before {
  content: "";
  display: inline-block;
  width: 38px;
  height: 1px;
  background: rgba(200, 255, 61, 0.75);
  margin-right: 14px;
}

.hero-title {
  font-size: clamp(52px, 6.8vw, 118px);
  line-height: 0.9;
  letter-spacing: -0.07em;
  margin: 0;
  max-width: 820px;
  font-weight: 700;
}

.hero-person {
  display: block;
  font-weight: 700;
  color: #f2f3ef;
}

.hero-thesis {
  display: block;
  font-size: clamp(24px, 3.2vw, 54px);
  line-height: 1.04;
  letter-spacing: -0.045em;
  color: #e8e9e4;
  margin-top: 22px;
  max-width: 760px;
}

.hero-thesis em {
  font-style: normal;
  color: var(--muted);
}

.hero-copy {
  max-width: 600px;
  color: #b0b5be;
  font-size: clamp(15px, 1.15vw, 18px);
  line-height: 1.56;
  margin: 28px 0;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-meta {
  display: flex;
  gap: 24px;
  color: var(--muted);
  margin-top: 50px;
  flex-wrap: wrap;
}

.meta-pulse {
  display: flex;
  align-items: center;
  gap: 8px;
}

.meta-pulse i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 13px var(--accent);
  animation: pulse 1.7s infinite;
}

.hero-rail {
  position: absolute;
  left: 32px;
  bottom: 28px;
  display: flex;
  align-items: center;
  gap: 14px;
  transform: rotate(-90deg);
  transform-origin: left bottom;
  color: var(--muted);
  z-index: 2;
}

.rail-line {
  width: 70px;
  height: 1px;
  background: rgba(255, 255, 255, 0.15);
  position: relative;
  overflow: hidden;
}

.rail-line i {
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 36%;
  background: var(--accent);
  animation: rail 2.6s infinite;
}

.hero-corner {
  position: absolute;
  right: 32px;
  bottom: 28px;
  color: var(--muted);
}

/* 3D Workfield in Hero (Clean 2x2 Bento Showcase) */
.hero-workfield {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 100%;
  max-width: 580px;
  min-height: 520px;
  perspective: 1400px;
  transform: translate3d(var(--field-x, 0), var(--field-y, 0), 0);
  transition: transform 0.18s ease-out;
}

.hero-field-kicker {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font: 500 10px var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.hero-field-stage {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  transform-style: preserve-3d;
  flex: 1;
}

.hero-fragment {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 20px 22px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: linear-gradient(175deg, rgba(16, 20, 26, 0.88), rgba(9, 11, 15, 0.94));
  color: #f3f4ee;
  text-align: left;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  transform: translate3d(var(--fx, 0), var(--fy, 0), 0);
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease, background 0.25s ease;
  cursor: pointer;
  overflow: hidden;
  will-change: transform;
  min-height: 215px;
}

.hero-fragment::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(200, 255, 61, 0.06), transparent 70%);
  pointer-events: none;
}

.hero-fragment:hover {
  border-color: rgba(200, 255, 61, 0.5);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), 0 0 25px rgba(200, 255, 61, 0.12);
  transform: translate3d(var(--fx, 0), calc(var(--fy, 0) - 6px), 20px);
  background: linear-gradient(175deg, rgba(22, 28, 36, 0.96), rgba(11, 14, 18, 0.96));
  z-index: 5;
}

.fragment-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font: 500 10px var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #8c939e;
  margin-bottom: 12px;
}

.fragment-cardline {
  display: block;
  width: 100%;
  padding: 8px 10px;
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  font-size: 11px;
  color: #dbddd8;
  margin-bottom: 6px;
  line-height: 1.35;
}

.fragment-ai {
  background: rgba(200, 255, 61, 0.07);
  border-color: rgba(200, 255, 61, 0.25);
  color: #d6e2c3;
}

.fragment-foot {
  display: block;
  font: 500 9px var(--mono);
  letter-spacing: 0.09em;
  color: var(--muted);
  margin-top: auto;
  padding-top: 10px;
}

.fragment-rres strong,
.fragment-ats strong {
  display: block;
  font-size: 40px;
  letter-spacing: -0.06em;
  line-height: 1;
  color: var(--text);
  margin: 10px 0 4px;
}

.fragment-ats strong {
  color: var(--accent);
}

.fragment-muted {
  display: block;
  color: var(--muted);
  font: 500 10px var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.fragment-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  color: var(--accent);
  font: 500 10px var(--mono);
  letter-spacing: 0.08em;
}

.agent-frag-line {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 7px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  font: 500 10px var(--mono);
  letter-spacing: 0.08em;
}

.agent-frag-line:last-child {
  border-bottom: none;
}

.agent-frag-line i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px rgba(200, 255, 61, 0.65);
}

.hero-field-caption {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font: 500 10px var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 16px;
}

/* --------------------------------------------------------------------------
   9. Manifesto Section (Light Mode)
   -------------------------------------------------------------------------- */
.manifesto {
  padding: 150px 0 145px;
  position: relative;
  overflow: hidden;
}

.manifesto-inner {
  position: relative;
}

.section-index {
  color: #5a5d58; /* WCAG AA on light background (5.2:1) */
}

.manifesto-statement {
  font-size: clamp(48px, 6.7vw, 96px);
  line-height: 0.94;
  letter-spacing: -0.065em;
  max-width: 930px;
  margin-top: 44px;
  font-weight: 700;
}

.manifesto-statement span {
  display: inline-block;
}

.manifesto-statement .muted {
  color: #7a7e78;
}

.accent {
  color: #111111;
}

.manifesto-note {
  position: absolute;
  right: 0;
  top: 120px;
  width: min(290px, 28vw);
  padding: 20px 0 0 24px;
  border-left: 1px solid rgba(9, 10, 12, 0.16);
}

.manifesto-note .note-label,
.manifesto-note .note-foot {
  font: 500 10px var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #5a5d58;
}

.manifesto-note p {
  font-size: 18px;
  line-height: 1.45;
  color: #1a1c18;
  margin: 17px 0 22px;
}

.note-rule {
  width: 64px;
  height: 1px;
  background: #1b1d19;
  margin: 0 0 15px;
}

.manifesto-note .note-foot {
  font-size: 10px;
  letter-spacing: 0.09em;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  border-top: 1px solid var(--line);
  margin-top: 130px;
}

.capability-card {
  padding: 28px 24px 30px;
  border-right: 1px solid var(--line);
  min-height: 240px;
  position: relative;
  transition: transform 0.4s ease, background 0.4s;
}

.capability-card:hover {
  background: rgba(255, 255, 255, 0.4);
  transform: translateY(-6px);
}

.capability-card:last-child {
  border-right: 0;
}

.card-number {
  font: 500 10px var(--mono);
  color: #5a5d58;
}

.capability-card h3 {
  font-size: 32px;
  letter-spacing: -0.04em;
  margin: 56px 0 10px;
}

.capability-card p {
  max-width: 310px;
  color: #494c48;
  line-height: 1.55;
  font-size: 15px;
}

.tech-line {
  position: absolute;
  bottom: 25px;
  color: #5a5d58;
  letter-spacing: 0.03em;
  text-transform: none;
}

/* --------------------------------------------------------------------------
   10. Selected Work / Projects Section
   -------------------------------------------------------------------------- */
.work {
  padding: 150px 0 170px;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 40px;
  position: relative;
  z-index: 2;
}

.section-head h2 {
  font-size: clamp(62px, 8vw, 110px);
  letter-spacing: -0.07em;
  line-height: 0.85;
  margin: 18px 0 0;
}

.section-head-copy {
  color: var(--muted);
  max-width: 280px;
  text-align: right;
  line-height: 1.45;
}

.section-note {
  font: 500 10px var(--mono);
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  max-width: 330px;
  line-height: 1.45;
}

.project-stack {
  display: grid;
  gap: 32px;
  margin-top: 70px;
}

.project-card {
  border: 1px solid var(--line-dark);
  background: #0b0e12;
  overflow: hidden;
  transition: border-color 0.3s, transform 0.3s;
}

.project-card:hover {
  border-color: rgba(200, 255, 61, 0.35);
}

.project-visual {
  height: 560px;
  position: relative;
  overflow: hidden;
  background: #0f1217;
  perspective: 1200px;
}

.project-meta {
  display: grid;
  grid-template-columns: 90px 1fr auto;
  gap: 30px;
  padding: 25px 28px 30px;
  border-top: 1px solid var(--line-dark);
  align-items: end;
}

.project-number {
  font: 500 10px var(--mono);
  color: var(--muted);
}

.project-info h3 {
  font-size: 42px;
  letter-spacing: -0.05em;
  margin: 9px 0 10px;
  line-height: 0.95;
  max-width: 850px;
}

.project-info p {
  margin: 0;
  color: #9fa4ae;
  max-width: 650px;
  font-size: 15px;
  line-height: 1.5;
}

.project-detail {
  margin-top: 17px;
  display: flex;
  gap: 12px;
  max-width: 820px;
  align-items: flex-start;
  color: #9297a1;
  font-size: 12px;
  line-height: 1.45;
  padding-top: 14px;
  border-top: 1px solid var(--line-dark);
}

.project-detail b {
  font: 500 9px var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #b0b6c0;
  white-space: nowrap;
  padding-top: 2px;
}

.project-detail span {
  color: #adb2bd;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 16px;
}

.project-tags span {
  padding: 5px 8px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #8f96a0;
  font: 500 9px var(--mono);
  letter-spacing: 0.05em;
}

.project-open {
  font: 500 10px var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border: 1px solid var(--line-dark);
  padding: 12px 14px;
  display: flex;
  gap: 16px;
  align-items: center;
  transition: border-color 0.2s, background 0.2s;
}

.project-open:hover {
  border-color: var(--accent);
  background: rgba(200, 255, 61, 0.06);
}

.project-open span {
  color: var(--accent);
  font-size: 15px;
}

/* --- Project 1: AION Simulated Chat Window --- */
.project-window {
  position: absolute;
  inset: 48px 7% 48px;
  background: #0b0d11;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
  transform: rotateX(7deg) rotateY(-8deg);
  transform-style: preserve-3d;
}

.window-bar {
  height: 35px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  padding: 0 14px;
  gap: 6px;
}

.window-bar span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #555555;
}

.window-bar em {
  font: 500 9px var(--mono);
  color: #888e98;
  margin-left: auto;
  font-style: normal;
  letter-spacing: 0.08em;
}

.conversation-ui {
  display: grid;
  grid-template-columns: 52px 1fr;
  height: calc(100% - 35px);
}

.conversation-ui aside {
  border-right: 1px solid rgba(255, 255, 255, 0.07);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 14px 0;
  gap: 18px;
}

.mini-logo {
  width: 25px;
  height: 25px;
  border: 1px solid rgba(200, 255, 61, 0.4);
  color: var(--accent);
  display: grid;
  place-items: center;
  border-radius: 50%;
  font: 500 10px var(--mono);
}

.conversation-ui aside i {
  width: 11px;
  height: 11px;
  border: 1px solid #4d525b;
  border-radius: 3px;
}

.conversation-main {
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: radial-gradient(circle at 60% 35%, rgba(200, 255, 61, 0.05), transparent 30%);
}

.conv-header {
  display: flex;
  justify-content: space-between;
  font: 500 10px var(--mono);
  color: #888e99;
}

.conv-header b {
  color: var(--accent);
  font-weight: 500;
}

.chat-msg {
  max-width: 64%;
  padding: 12px 14px;
  font-size: 13px;
  line-height: 1.45;
  border: 1px solid rgba(255, 255, 255, 0.07);
  animation: floatIn 4s infinite alternate;
}

.chat-msg.user {
  align-self: flex-end;
  background: rgba(255, 255, 255, 0.03);
}

.chat-msg.ai {
  background: rgba(200, 255, 61, 0.055);
  border-color: rgba(200, 255, 61, 0.18);
  animation-delay: 1s;
}

.chat-input {
  margin-top: auto;
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  padding: 10px 12px;
  color: #7b828d;
  font: 500 10px var(--mono);
}

.chat-input i {
  color: var(--accent);
  font-style: normal;
}

/* --- Project 2: RRES Analytics Dashboard --- */
.project-rres .project-visual {
  background: radial-gradient(circle at 50% 45%, rgba(200, 255, 61, 0.05), transparent 38%), #0f1217;
}

.rres-dashboard {
  position: absolute;
  inset: 52px 8%;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: #0b0e12;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
  transform: rotateX(7deg) rotateY(6deg);
}

.rres-header {
  height: 42px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  font: 500 10px var(--mono);
  letter-spacing: 0.08em;
  color: #8f95a0;
}

.rres-header b {
  color: var(--accent);
  font-weight: 500;
}

.rres-body {
  display: grid;
  grid-template-columns: 190px 1fr;
  height: calc(100% - 42px);
}

.rres-side {
  border-right: 1px solid rgba(255, 255, 255, 0.07);
  padding: 24px 18px;
  display: grid;
  align-content: start;
  gap: 7px;
}

.rres-side span {
  font: 500 10px var(--mono);
  color: #7e848e;
  letter-spacing: 0.09em;
  margin-top: 12px;
}

.rres-side strong {
  font: 600 28px var(--font-sans);
  letter-spacing: -0.06em;
}

.rres-main {
  padding: 18px;
  display: grid;
  gap: 10px;
  align-content: start;
  background: radial-gradient(circle at 65% 35%, rgba(200, 255, 61, 0.05), transparent 35%);
}

.rres-email {
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 13px 14px;
  display: grid;
  gap: 6px;
  transform: translateZ(0);
  transition: transform 0.3s, border-color 0.3s;
}

.project-rres:hover .rres-email:nth-child(1) {
  transform: translateX(10px);
  border-color: rgba(200, 255, 61, 0.18);
}

.project-rres:hover .rres-email:nth-child(2) {
  transform: translateX(5px);
  border-color: rgba(200, 255, 61, 0.13);
}

.rres-email span {
  font: 500 10px var(--mono);
  color: #848a94;
}

.rres-email b {
  font-size: 13px;
}

.rres-email small {
  color: #8f95a0;
  font-size: 11px;
}

/* --- Project 3: Multi-Agent Map Visual --- */
.agent-map {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 50%, rgba(200, 255, 61, 0.07), transparent 28%),
    linear-gradient(135deg, #0c1014, #0a0d11);
  overflow: hidden;
}

.agent-map::before,
.agent-map::after {
  content: "";
  position: absolute;
  inset: 12%;
  border: 1px solid rgba(200, 255, 61, 0.08);
  border-radius: 50%;
  transform: rotate(16deg) scaleY(0.42);
}

.agent-map::after {
  inset: 21%;
  transform: rotate(-22deg) scaleX(0.65);
}

.agent-node {
  position: absolute;
  width: 180px;
  padding: 15px 17px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(10, 13, 17, 0.82);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  display: grid;
  gap: 6px;
  z-index: 2;
  transition: transform 0.35s, border-color 0.35s, box-shadow 0.35s;
}

.agent-node small {
  font: 500 10px var(--mono);
  letter-spacing: 0.09em;
  color: #8c939e;
}

.agent-node b {
  font-size: 22px;
  letter-spacing: -0.04em;
}

.agent-node span {
  position: absolute;
  right: 12px;
  top: 11px;
  color: var(--accent);
}

.supervisor {
  left: 50%;
  top: 46%;
  transform: translate(-50%, -50%);
  width: 220px;
  border-color: rgba(200, 255, 61, 0.23);
  box-shadow: 0 0 80px rgba(200, 255, 61, 0.06);
}

.support {
  left: 10%;
  top: 18%;
}

.content {
  right: 10%;
  top: 18%;
}

.forms {
  right: 15%;
  bottom: 14%;
}

.agent-core {
  position: absolute;
  left: 21%;
  bottom: 13%;
  padding: 12px 15px;
  border: 1px solid rgba(200, 255, 61, 0.18);
  color: var(--accent);
  font: 500 12px var(--mono);
  line-height: 1.15;
  z-index: 2;
}

.agent-core em {
  font-size: 10px;
  color: #8e96a0;
  font-style: normal;
  letter-spacing: 0.08em;
}

.agent-packet {
  position: absolute;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 18px rgba(200, 255, 61, 0.7);
  z-index: 3;
}

.packet-a {
  left: 37%;
  top: 46%;
  animation: agentMoveA 2.8s infinite;
}

.packet-b {
  left: 61%;
  top: 46%;
  animation: agentMoveB 3.1s 0.4s infinite;
}

.packet-c {
  left: 53%;
  top: 60%;
  animation: agentMoveC 3.4s 0.8s infinite;
}

.project-agents:hover .support {
  transform: translate(8px, -6px);
}

.project-agents:hover .content {
  transform: translate(-8px, -5px);
}

.project-agents:hover .forms {
  transform: translate(-5px, 7px);
}

/* --- Project 4: ATS Resume Parser Visual --- */
.ats-visual {
  position: absolute;
  inset: 52px 11%;
  padding: 38px 40px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  background: radial-gradient(circle at 72% 18%, rgba(200, 255, 61, 0.08), transparent 35%), #0b0e12;
  transform: rotateX(4deg) rotateY(-5deg);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.3);
}

.ats-score {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 26px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 22px;
}

.ats-score span {
  font: 500 10px var(--mono);
  color: #8c939e;
  letter-spacing: 0.09em;
}

.ats-score strong {
  font-size: 70px;
  line-height: 0.8;
  letter-spacing: -0.07em;
  color: var(--accent);
}

.ats-score small {
  font: 500 10px var(--mono);
  color: #9299a5;
}

.ats-row {
  display: grid;
  grid-template-columns: 85px 1fr 28px;
  gap: 12px;
  align-items: center;
  margin-top: 15px;
}

.ats-row span {
  font: 500 10px var(--mono);
  color: #8c939e;
  letter-spacing: 0.08em;
}

.ats-row i {
  height: 5px;
  background: rgba(255, 255, 255, 0.08);
  position: relative;
  display: block;
}

.ats-row i::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: var(--w);
  background: linear-gradient(90deg, var(--accent), #e4ff9d);
}

.ats-row b {
  font: 500 10px var(--mono);
  color: #b8bdc5;
}

.ats-gap {
  margin-top: 31px;
  padding: 13px 15px;
  border: 1px solid rgba(200, 255, 61, 0.15);
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 14px;
  align-items: center;
}

.ats-gap span {
  font: 500 10px var(--mono);
  color: #8c939e;
}

.ats-gap b {
  font-size: 11px;
}

.ats-gap em {
  font: 500 10px var(--mono);
  color: var(--accent);
  font-style: normal;
}

/* --------------------------------------------------------------------------
   11. AION Systems Showcase
   -------------------------------------------------------------------------- */
.aion {
  padding: 150px 0 155px;
  position: relative;
  overflow: hidden;
}

.aion-backdrop {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 48%, rgba(200, 255, 61, 0.11), transparent 34%),
    linear-gradient(120deg, rgba(255, 255, 255, 0.025), transparent 45%);
}

.aion-stage {
  margin-top: 76px;
  min-height: 450px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: #0c0f13;
  position: relative;
  overflow: hidden;
  transform-style: preserve-3d;
  transition: transform 0.25s ease;
}

.aion-stage::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: linear-gradient(to bottom, black, transparent);
  mask-image: linear-gradient(to bottom, black, transparent);
}

.aion-scan {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.65;
  animation: scan 5.2s infinite;
  will-change: transform;
}

.aion-topline {
  position: absolute;
  inset: 22px 22px auto;
  display: flex;
  justify-content: space-between;
  font: 500 10px var(--mono);
  letter-spacing: 0.09em;
  color: var(--muted);
}

.aion-flow {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 50px 100px;
  gap: 22px;
  position: relative;
  z-index: 2;
}

.flow-node {
  width: 210px;
  min-height: 154px;
  padding: 18px;
  border: 1px solid var(--line-dark);
  background: rgba(11, 13, 18, 0.85);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
  transition: border-color 0.25s, transform 0.3s, box-shadow 0.3s;
}

.flow-node:hover {
  transform: translateY(-8px);
  border-color: rgba(200, 255, 61, 0.55);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.38);
}

.flow-node .node-icon {
  font-size: 22px;
  color: var(--accent);
}

.flow-node small {
  font: 500 10px var(--mono);
  color: #8f95a1;
  letter-spacing: 0.08em;
}

.flow-node strong {
  font-size: 16px;
  line-height: 1.3;
  font-weight: 600;
}

.flow-connector {
  width: 54px;
  height: 1px;
  background: rgba(255, 255, 255, 0.12);
  position: relative;
  overflow: hidden;
}

.flow-connector i {
  position: absolute;
  left: 0;
  top: 0;
  width: 25%;
  height: 100%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
  animation: packet 1.8s infinite;
  will-change: transform;
}

.flow-connector:nth-of-type(4) i {
  animation-delay: 0.4s;
}

.flow-connector:nth-of-type(6) i {
  animation-delay: 0.8s;
}

.aion-bottom {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  border-top: 1px solid var(--line-dark);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.aion-bottom > div {
  padding: 15px 20px;
  border-right: 1px solid var(--line-dark);
}

.aion-bottom > div:last-child {
  border-right: 0;
}

.aion-bottom span {
  display: block;
  font: 500 9px var(--mono);
  color: #848a94;
  letter-spacing: 0.09em;
  margin-bottom: 5px;
}

.aion-bottom b {
  font-size: 11px;
  font-weight: 500;
  color: #cdd0d6;
}

.aion-copy {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  margin-top: 30px;
}

.aion-copy-main p {
  max-width: 850px;
  color: #9ea3ae;
  font-size: 18px;
  line-height: 1.55;
}

.aion-tags {
  margin-top: 20px;
}

.text-link {
  font: 500 10px var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  display: flex;
  gap: 20px;
  align-items: center;
  transition: color 0.2s;
}

.text-link:hover {
  color: var(--accent);
}

.text-link span {
  color: var(--accent);
  font-size: 17px;
}

/* --------------------------------------------------------------------------
   12. Experience Timeline
   -------------------------------------------------------------------------- */
.experience {
  padding: 150px 0 160px;
}

.experience-intro {
  display: flex;
  justify-content: space-between;
  gap: 60px;
  margin-top: 44px;
}

.experience-intro h2 {
  font-size: clamp(56px, 7vw, 94px);
  line-height: 0.87;
  letter-spacing: -0.065em;
  max-width: 800px;
  margin: 0;
}

.experience-intro h2 span {
  color: var(--accent);
}

.experience-intro p {
  max-width: 350px;
  color: var(--muted);
  line-height: 1.6;
  margin-top: 7px;
}

.timeline {
  margin-top: 100px;
  border-top: 1px solid var(--line-dark);
}

.timeline-item {
  display: grid;
  grid-template-columns: 120px 24px 1fr;
  gap: 22px;
  padding: 30px 0;
  border-bottom: 1px solid var(--line-dark);
  position: relative;
}

.timeline-item.active::before {
  content: "";
  position: absolute;
  left: -20px;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--accent);
}

.timeline-year {
  font: 500 11px var(--mono);
  color: var(--muted);
}

.timeline-marker {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #454b55;
  margin-top: 5px;
}

.timeline-item.active .timeline-marker {
  background: var(--accent);
  box-shadow: 0 0 20px rgba(200, 255, 61, 0.45);
}

.timeline-tag {
  color: var(--muted);
}

.timeline-content h3 {
  font-size: 30px;
  letter-spacing: -0.04em;
  margin: 8px 0 10px;
}

.timeline-content p {
  color: #9ea4af;
  max-width: 690px;
  line-height: 1.55;
}

.timeline-tools {
  color: #8c929e;
  text-transform: none;
  letter-spacing: 0.03em;
  margin-top: 18px;
}

/* --------------------------------------------------------------------------
   13. Engineering Lab Constellation
   -------------------------------------------------------------------------- */
.lab {
  padding: 150px 0 160px;
  position: relative;
  overflow: hidden;
}

.lab-intro {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 40px;
  margin: 45px 0 40px;
}

.lab-intro h2 {
  font-size: clamp(58px, 7vw, 98px);
  line-height: 0.86;
  letter-spacing: -0.07em;
  margin: 0;
}

.lab-intro .muted {
  color: #7b7f79;
}

.lab-intro p {
  max-width: 350px;
  color: #555853;
  line-height: 1.5;
}

.lab-canvas {
  height: 520px;
  position: relative;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: radial-gradient(circle at 50% 50%, rgba(9, 10, 12, 0.06), transparent 46%);
}

.lab-node {
  position: absolute;
  transform: translate(-50%, -50%);
  z-index: 3;
}

.lab-center {
  left: 50%;
  top: 50%;
  width: 170px;
  height: 170px;
  border-radius: 50%;
  background: #10120f;
  color: var(--accent);
  box-shadow: 0 0 90px rgba(9, 10, 12, 0.14);
  display: grid;
  place-items: center;
  text-align: center;
  font: 500 30px var(--mono);
}

.lab-center small {
  display: block;
  font-size: 10px;
  letter-spacing: 0.09em;
  opacity: 0.65;
}

.lab-item {
  width: 175px;
  padding: 14px;
  background: #f0f0eb;
  border: 1px solid rgba(9, 10, 12, 0.15);
  text-align: left;
  transition: transform 0.3s, background 0.3s, box-shadow 0.3s;
}

.lab-item:hover,
.lab-item.active {
  transform: translate(-50%, -50%) scale(1.06);
  background: #10120f;
  color: var(--accent);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.14);
}

.lab-item span {
  display: block;
  font: 500 10px var(--mono);
  letter-spacing: 0.08em;
}

.lab-item small {
  display: block;
  color: #6a6f69;
  margin-top: 8px;
  font-size: 11px;
}

.lab-item:hover small,
.lab-item.active small {
  color: #b2b8ad;
}

.item-a { left: 15%; top: 18%; }
.item-b { left: 35%; top: 8%; }
.item-c { left: 68%; top: 10%; }
.item-d { left: 85%; top: 32%; }
.item-e { left: 86%; top: 75%; }

.lab-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.lab-lines path {
  fill: none;
  stroke: rgba(9, 10, 12, 0.14);
  stroke-width: 1;
  stroke-dasharray: 5 9;
}

/* --------------------------------------------------------------------------
   14. Engineering Principles
   -------------------------------------------------------------------------- */
.principles {
  padding: 150px 0 160px;
}

.principles-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  column-gap: 90px;
  row-gap: 1px;
  margin-top: 55px;
}

.principle-intro {
  grid-row: span 2;
  padding: 30px 0;
}

.principle-intro h2 {
  font-size: clamp(60px, 7vw, 92px);
  line-height: 0.86;
  letter-spacing: -0.07em;
  margin: 0 0 20px;
}

.principle-intro p {
  color: #555853;
  max-width: 300px;
  line-height: 1.55;
}

.principle-item {
  border-top: 1px solid var(--line);
  padding: 25px 0 30px;
  position: relative;
}

.principle-item span {
  font: 500 10px var(--mono);
  color: #5a5d58; /* WCAG AA compliant */
}

.principle-item h3 {
  font-size: 27px;
  letter-spacing: -0.04em;
  margin: 16px 0 7px;
}

.principle-item p {
  color: #555853;
  max-width: 480px;
  line-height: 1.55;
  margin: 0;
}

/* --------------------------------------------------------------------------
   15. About & Background
   -------------------------------------------------------------------------- */
.about {
  padding: 150px 0 155px;
}

.about-layout {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 100px;
}

.about-left h2 {
  font-size: clamp(60px, 7vw, 96px);
  line-height: 0.87;
  letter-spacing: -0.07em;
  margin: 45px 0 0;
}

.about-left h2 span {
  color: var(--muted);
}

.about-right {
  position: relative;
}

.about-right::before {
  content: "PERSONAL NOTE / 01";
  display: block;
  margin-bottom: 22px;
  color: var(--muted);
  font: 500 10px var(--mono);
  letter-spacing: 0.13em;
}

.about-large {
  font-size: clamp(27px, 3vw, 42px);
  line-height: 1.08;
  letter-spacing: -0.045em;
  max-width: 720px;
}

.about-right p:not(.about-large) {
  color: #a4aab4;
  line-height: 1.6;
  max-width: 620px;
}

.profile-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
  margin-top: 34px;
}

.profile-strip > div {
  padding: 17px 18px;
  border-right: 1px solid var(--line-dark);
}

.profile-strip > div:last-child {
  border-right: 0;
}

.profile-strip span {
  display: block;
  font: 500 9px var(--mono);
  color: var(--muted);
  letter-spacing: 0.09em;
  margin-bottom: 7px;
}

.profile-strip b {
  font-size: 13px;
  font-weight: 600;
}

.profile-strip a {
  text-decoration: underline;
  text-decoration-color: rgba(255, 255, 255, 0.3);
  text-underline-offset: 3px;
  transition: color 0.2s;
}

.profile-strip a:hover {
  color: var(--accent);
}

.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 40px;
}

.about-tags span {
  border: 1px solid var(--line-dark);
  padding: 9px 11px;
  color: #9da3ad;
  font: 500 10px var(--mono);
  letter-spacing: 0.08em;
}

.about-links {
  display: flex;
  gap: 24px;
  margin-top: 35px;
}

.about-links a {
  font: 500 10px var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.09em;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  padding-bottom: 6px;
  transition: color 0.2s, border-color 0.2s;
}

.about-links a:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* --------------------------------------------------------------------------
   16. Contact & Footer
   -------------------------------------------------------------------------- */
.contact {
  min-height: 80vh;
  min-height: 80svh;
  padding: 150px 0 30px;
  display: flex;
  align-items: stretch;
  position: relative;
  overflow: hidden;
}

.contact-stage {
  display: flex;
  flex-direction: column;
  min-height: 70vh;
  min-height: 70svh;
  position: relative;
}

.contact-stage::after {
  content: "ATA / 2026";
  position: absolute;
  right: 0;
  top: 84px;
  color: rgba(9, 10, 12, 0.28);
  font: 500 10px var(--mono);
  letter-spacing: 0.12em;
  transform: rotate(90deg);
  transform-origin: right top;
}

.contact-glow {
  position: absolute;
  width: 700px;
  height: 700px;
  border-radius: 50%;
  right: -260px;
  top: -170px;
  background: radial-gradient(circle, rgba(200, 255, 61, 0.22), transparent 65%);
  filter: blur(6px);
  pointer-events: none;
}

.contact h2 {
  font-size: clamp(76px, 10.5vw, 150px);
  line-height: 0.82;
  letter-spacing: -0.08em;
  max-width: 1000px;
  margin: 55px 0 28px;
}

.contact h2 span {
  color: #7b7f79;
}

.contact-stage > p {
  color: #555853;
  font-size: 19px;
  margin: 0;
}

.contact-actions {
  display: flex;
  gap: 12px;
  margin-top: 30px;
}

.contact-actions .button-primary {
  color: #0b0d08;
}

.contact-footer {
  display: flex;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 80px;
  color: #5a5d58;
  border-top: 1px solid var(--line);
  font-size: 10px;
}

/* --------------------------------------------------------------------------
   17. Scroll Progress Bar
   -------------------------------------------------------------------------- */
.progress {
  position: fixed;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  height: 150px;
  width: 2px;
  background: rgba(255, 255, 255, 0.09);
  z-index: 45;
}

.progress span {
  display: block;
  width: 100%;
  height: 12%;
  background: var(--accent);
  transition: height 0.12s linear;
}

/* --------------------------------------------------------------------------
   18. Case Study Overlay System
   -------------------------------------------------------------------------- */
.overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  visibility: hidden;
  opacity: 0;
  transition: visibility 0s linear 0.45s, opacity 0.45s;
  background: #07080b;
}

.overlay.open {
  visibility: visible;
  opacity: 1;
  transition-delay: 0s;
}

.overlay-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 40%, rgba(200, 255, 61, 0.08), transparent 38%);
}

.overlay-close {
  position: absolute;
  right: 28px;
  top: 22px;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line-dark);
  font-size: 28px;
  line-height: 1;
  z-index: 2;
  transition: border-color 0.2s, background 0.2s;
}

.overlay-close:hover {
  border-color: var(--accent);
  background: rgba(200, 255, 61, 0.08);
}

.overlay-content {
  height: 100%;
  overflow-y: auto;
  padding: 110px 0 80px;
  position: relative;
}

.case-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: end;
}

.case-tag {
  font: 500 10px var(--mono);
  color: var(--muted);
  letter-spacing: 0.1em;
}

.case-title {
  font-size: clamp(60px, 9vw, 130px);
  letter-spacing: -0.08em;
  line-height: 0.85;
  margin: 16px 0;
}

.case-summary {
  color: #9fa4ae;
  font-size: 18px;
  line-height: 1.5;
  max-width: 520px;
}

.case-metric {
  margin-top: 24px;
  color: var(--accent);
}

.case-evidence {
  margin-top: 64px;
  min-height: 500px;
  border: 1px solid var(--line-dark);
  background: #0b0e12;
  position: relative;
  overflow: hidden;
  box-shadow: 0 34px 100px rgba(0, 0, 0, 0.35);
}

.evidence-bar {
  height: 38px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 16px;
  font: 500 10px var(--mono);
  letter-spacing: 0.1em;
  color: #8c939e;
}

.evidence-bar b {
  font-weight: 500;
  color: var(--accent);
}

.evidence-body {
  display: grid;
  grid-template-columns: 58px 1fr 190px;
  height: calc(100% - 38px);
}

.evidence-rail {
  border-right: 1px solid rgba(255, 255, 255, 0.07);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding-top: 18px;
}

.evidence-rail i {
  width: 11px;
  height: 11px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 3px;
}

.evidence-chat {
  padding: 42px 36px;
  background: radial-gradient(circle at 50% 35%, rgba(200, 255, 61, 0.06), transparent 36%);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.evidence-kicker {
  font: 500 10px var(--mono);
  color: #8c939e;
  letter-spacing: 0.1em;
}

.evidence-msg {
  max-width: 66%;
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, 0.07);
  font-size: 13px;
  line-height: 1.42;
}

.evidence-msg.user {
  align-self: flex-end;
  background: rgba(255, 255, 255, 0.025);
}

.evidence-msg.ai {
  background: rgba(200, 255, 61, 0.05);
  border-color: rgba(200, 255, 61, 0.18);
}

.evidence-input {
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  padding: 12px 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  font: 500 10px var(--mono);
  color: #7b828d;
}

.evidence-input b {
  color: var(--accent);
  font-size: 13px;
}

.evidence-mini {
  border-left: 1px solid rgba(255, 255, 255, 0.07);
  padding: 28px 20px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  background: rgba(255, 255, 255, 0.012);
}

.evidence-mini span,
.evidence-mini small {
  font: 500 10px var(--mono);
  letter-spacing: 0.09em;
  color: #888e99;
  text-transform: uppercase;
}

.evidence-mini strong {
  font-size: 72px;
  letter-spacing: -0.07em;
  color: var(--accent);
  margin: 42px 0 5px;
}

.evidence-mini i {
  height: 3px;
  width: 76%;
  background: linear-gradient(90deg, var(--accent) 0 92%, rgba(255, 255, 255, 0.06) 92%);
  display: block;
  margin-top: 17px;
}

/* RRES Evidence Panel */
.rres-evidence-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  padding: 35px 35px 20px;
}

.rres-stat {
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.02);
}

.rres-stat span,
.rres-stat strong {
  display: block;
}

.rres-stat span {
  font: 500 10px var(--mono);
  color: #888e99;
  letter-spacing: 0.1em;
}

.rres-stat strong {
  font-size: 47px;
  letter-spacing: -0.06em;
  color: #e9ebe6;
  margin-top: 18px;
}

.rres-evidence-list {
  padding: 0 35px 35px;
  display: grid;
  gap: 9px;
}

.rres-evidence-list > div {
  display: grid;
  grid-template-columns: 70px 1.2fr 1fr;
  gap: 12px;
  padding: 14px 15px;
  border: 1px solid rgba(255, 255, 255, 0.07);
  font-size: 12px;
  align-items: center;
}

.rres-evidence-list span,
.rres-evidence-list small {
  font: 500 10px var(--mono);
  color: #848b94;
}

.rres-evidence-list b {
  font-weight: 600;
}

/* Agents Evidence Panel */
.case-agent-evidence {
  background: radial-gradient(circle at 50% 50%, rgba(200, 255, 61, 0.055), transparent 32%);
}

.agent-evidence-core {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 150px;
  height: 150px;
  border: 1px solid rgba(200, 255, 61, 0.3);
  border-radius: 50%;
  display: grid;
  place-items: center;
  text-align: center;
  align-content: center;
  background: #0a0d0f;
  box-shadow: 0 0 80px rgba(200, 255, 61, 0.08);
}

.agent-evidence-core span,
.agent-evidence-node,
.agent-evidence-rag {
  font: 500 10px var(--mono);
  letter-spacing: 0.08em;
}

.agent-evidence-core strong {
  display: block;
  font-size: 29px;
  letter-spacing: -0.05em;
  margin-top: 7px;
  color: var(--accent);
}

.agent-evidence-node {
  position: absolute;
  width: 140px;
  padding: 17px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  background: rgba(255, 255, 255, 0.025);
  text-align: center;
}

.agent-evidence-node small {
  color: #848a94;
  font-size: 10px;
}

.node-1 { left: 9%; top: 22%; }
.node-2 { right: 9%; top: 21%; }
.node-3 { left: 50%; bottom: 9%; transform: translateX(-50%); }

.agent-evidence-rag {
  position: absolute;
  left: 50%;
  top: 70%;
  transform: translateX(-50%);
  color: #8f95a1;
}

/* ATS Evidence Panel */
.case-ats-evidence {
  display: grid;
  grid-template-columns: 1fr 1.25fr 0.7fr;
  align-items: center;
  padding: 45px;
  gap: 50px;
}

.ats-evidence-score span,
.ats-evidence-score small {
  display: block;
  font: 500 10px var(--mono);
  color: #8a9199;
  letter-spacing: 0.1em;
}

.ats-evidence-score strong {
  display: block;
  font-size: 92px;
  letter-spacing: -0.08em;
  color: var(--accent);
  margin: 16px 0 5px;
}

.ats-evidence-bars {
  display: grid;
  gap: 20px;
}

.ats-evidence-bars > div {
  display: grid;
  grid-template-columns: 78px 1fr 35px;
  align-items: center;
  gap: 10px;
  font: 500 10px var(--mono);
  color: #8c939e;
}

.ats-evidence-bars i {
  height: 5px;
  background: linear-gradient(90deg, var(--accent) 0 var(--w), rgba(255, 255, 255, 0.06) var(--w));
  display: block;
}

.ats-evidence-bars b {
  color: #e9ece7;
  font-size: 11px;
}

.ats-evidence-result {
  border-left: 1px solid rgba(255, 255, 255, 0.08);
  padding-left: 28px;
}

.ats-evidence-result span,
.ats-evidence-result small {
  display: block;
  font: 500 10px var(--mono);
  color: #888e98;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.ats-evidence-result b {
  display: block;
  font-size: 21px;
  margin: 17px 0 7px;
}

/* Generic Lab Evidence Fallback */
.case-lab-evidence {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 70px;
  background: radial-gradient(circle at 62% 50%, rgba(200, 255, 61, 0.06), transparent 32%);
}

.lab-evidence-word {
  font-size: clamp(62px, 8vw, 118px);
  letter-spacing: -0.08em;
  line-height: 0.8;
  color: #f0f2ec;
  max-width: 800px;
}

.lab-evidence-track {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 52px;
  font: 500 10px var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #8d959f;
}

.lab-evidence-track i {
  display: block;
  width: 90px;
  height: 1px;
  background: linear-gradient(90deg, rgba(200, 255, 61, 0.15), var(--accent));
}

.lab-evidence-caption {
  max-width: 480px;
  color: #9da3ad;
  font-size: 16px;
  line-height: 1.5;
  margin-top: 54px;
}

/* Case Grid & Cells */
.case-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  margin-top: 1px;
}

.case-cell {
  border: 1px solid var(--line-dark);
  padding: 26px;
  min-height: 170px;
}

.case-cell span {
  display: block;
  font: 500 10px var(--mono);
  color: #848a94;
  letter-spacing: 0.08em;
  margin-bottom: 14px;
}

.case-cell h4 {
  font-size: 21px;
  margin: 0 0 8px;
}

.case-cell p {
  color: #9ea4af;
  line-height: 1.5;
  margin: 0;
}

.case-close-note {
  margin-top: 50px;
  color: var(--muted);
  font: 500 10px var(--mono);
  letter-spacing: 0.08em;
}

/* --------------------------------------------------------------------------
   19. Command Palette (Ctrl+K)
   -------------------------------------------------------------------------- */
.command-palette {
  position: fixed;
  inset: 0;
  z-index: 95;
  visibility: hidden;
  opacity: 0;
  transition: visibility 0s 0.3s, opacity 0.3s;
}

.command-palette.open {
  visibility: visible;
  opacity: 1;
  transition-delay: 0s;
}

.palette-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.66);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}

.palette-panel {
  position: absolute;
  width: min(680px, calc(100% - 40px));
  left: 50%;
  top: 18%;
  transform: translateX(-50%);
  background: #0c0f13;
  border: 1px solid var(--line-dark);
  box-shadow: 0 30px 100px rgba(0, 0, 0, 0.4);
}

.palette-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 18px;
  border-bottom: 1px solid var(--line-dark);
  font: 500 10px var(--mono);
  color: #8c939e;
}

.palette-head button {
  font: 500 9px var(--mono);
  color: #838994;
  padding: 4px 8px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: border-color 0.2s, color 0.2s;
}

.palette-head button:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.palette-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
}

.palette-grid button {
  padding: 25px;
  border-right: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
  text-align: left;
  transition: background 0.2s;
}

.palette-grid button:hover {
  background: rgba(200, 255, 61, 0.06);
}

.palette-grid b,
.palette-grid small {
  display: block;
  font: 500 10px var(--mono);
  color: #838994;
}

.palette-grid span {
  display: block;
  font-size: 20px;
  letter-spacing: -0.03em;
  margin: 16px 0 5px;
}

.palette-grid button:nth-child(2n) {
  border-right: 0;
}

/* --------------------------------------------------------------------------
   20. Scroll Reveals
   -------------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.in {
  opacity: 1;
  transform: none;
}

.reveal[data-delay="1"] {
  transition-delay: 0.08s;
}

.reveal[data-delay="2"] {
  transition-delay: 0.16s;
}

/* --------------------------------------------------------------------------
   21. Keyframe Animations (GPU-Optimized Transforms)
   -------------------------------------------------------------------------- */
@keyframes noise {
  0%, 100% { transform: translate3d(0, 0, 0); }
  25% { transform: translate3d(-2%, 2%, 0); }
  50% { transform: translate3d(2%, -1%, 0); }
  75% { transform: translate3d(1%, 2%, 0); }
}

@keyframes pulse {
  50% {
    opacity: 0.4;
    transform: scale(0.72);
  }
}

@keyframes rail {
  0% { transform: translateX(0); }
  50%, 100% { transform: translateX(190%); }
}

@keyframes scan {
  0% { transform: translateY(0); }
  50%, 100% { transform: translateY(110vh); }
}

@keyframes packet {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(550%); }
}

@keyframes packetVertical {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(400%); }
}

@keyframes floatIn {
  from { transform: translateY(0); }
  to { transform: translateY(-4px); }
}

@keyframes agentMoveA {
  0%, 100% { transform: translate(0, 0); opacity: 0.2; }
  50% { transform: translate(-145px, -88px); opacity: 1; }
}

@keyframes agentMoveB {
  0%, 100% { transform: translate(0, 0); opacity: 0.2; }
  50% { transform: translate(150px, -88px); opacity: 1; }
}

@keyframes agentMoveC {
  0%, 100% { transform: translate(0, 0); opacity: 0.2; }
  50% { transform: translate(70px, 80px); opacity: 1; }
}

/* --------------------------------------------------------------------------
   22. Responsive Styles (Breakpoints: 1100px, 980px, 640px)
   -------------------------------------------------------------------------- */

/* Large Tablets / Small Laptops */
@media (max-width: 1100px) {
  .hero-layout {
    grid-template-columns: 1fr;
    gap: 36px;
    min-height: 0;
  }
  .hero-content {
    padding-top: 9vh;
  }
  .hero-workfield {
    min-height: 0;
    max-width: 620px;
    width: 100%;
    margin: 0 auto;
  }
  .hero-copy-column {
    max-width: 760px;
  }
  .manifesto-note {
    position: relative;
    top: auto;
    right: auto;
    width: auto;
    max-width: 380px;
    margin: 60px 0 0 auto;
  }
}

/* Tablets & Mobile Devices */
@media (max-width: 980px) {
  .shell {
    width: min(calc(100% - 36px), var(--max));
  }
  .topbar {
    padding: 0 20px;
  }
  .topnav {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }
  .hero-title {
    font-size: clamp(56px, 13vw, 100px);
  }
  .capability-grid {
    grid-template-columns: 1fr;
  }
  .capability-card {
    border-right: 0;
    border-bottom: 1px solid var(--line);
    min-height: 210px;
  }
  .aion-stage {
    min-height: 620px;
  }
  .aion-flow {
    flex-direction: column;
    padding: 90px 24px 110px;
  }
  .flow-connector {
    width: 1px;
    height: 30px;
  }
  .flow-connector i {
    width: 100%;
    height: 25%;
    left: 0;
    top: 0;
    animation: packetVertical 1.8s infinite;
  }
  .aion-bottom {
    grid-template-columns: 1fr;
  }
  .aion-bottom > div {
    border-right: 0;
    border-bottom: 1px solid var(--line-dark);
  }
  .experience-intro,
  .lab-intro {
    display: block;
  }
  .experience-intro p,
  .lab-intro p {
    margin-top: 28px;
  }
  .project-visual {
    height: 440px;
  }
  .project-meta {
    grid-template-columns: 55px 1fr;
  }
  .project-open {
    grid-column: 2;
    justify-self: start;
    margin-top: 6px;
  }
  .case-head {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .about-layout {
    grid-template-columns: 1fr;
    gap: 45px;
  }
  .principles-grid {
    grid-template-columns: 1fr;
  }
  .principle-intro {
    grid-row: auto;
    padding-bottom: 50px;
  }
  .contact h2 {
    font-size: clamp(68px, 15vw, 110px);
  }
  .contact-footer {
    gap: 20px;
    flex-wrap: wrap;
  }
  .lab-canvas {
    height: 610px;
  }
  .lab-item {
    width: 150px;
  }
  .item-a { left: 12%; top: 15%; }
  .item-b { left: 28%; top: 8%; }
  .item-c { left: 73%; top: 10%; }
  .item-d { left: 88%; top: 35%; }
  .item-e { left: 82%; top: 82%; }
  .profile-strip {
    grid-template-columns: 1fr;
  }
  .profile-strip > div {
    border-right: 0;
    border-bottom: 1px solid var(--line-dark);
  }
  .profile-strip > div:last-child {
    border-bottom: 0;
  }
  .project-detail {
    grid-template-columns: 1fr;
    gap: 6px;
  }
  .rres-dashboard {
    inset: 38px 5%;
  }
  .rres-body {
    grid-template-columns: 140px 1fr;
  }
  .agent-node {
    width: 145px;
  }
  .supervisor {
    width: 185px;
  }
  .ats-visual {
    inset: 38px 6%;
    padding: 30px;
  }
  .ats-score strong {
    font-size: 58px;
  }
}

/* Mobile Handheld Viewports */
@media (max-width: 640px) {
  .shell {
    width: min(calc(100% - 24px), var(--max));
  }
  .hero-meta {
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 32px;
  }
  .hero-rail,
  .hero-corner {
    display: none;
  }
  .hero-content {
    padding-top: 7vh;
  }
  .hero-name {
    font-size: 10px;
    margin-bottom: 12px;
  }
  .hero-title {
    font-size: clamp(44px, 12vw, 70px);
  }
  .hero-thesis {
    font-size: 0.54em;
  }
  .hero-copy {
    font-size: 14px;
    max-width: 95%;
  }
  .hero-workfield {
    min-height: auto;
    max-width: 100%;
    margin-top: 24px;
  }
  .hero-field-kicker {
    font-size: 9px;
    margin-bottom: 10px;
  }
  .hero-field-stage {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .hero-fragment {
    min-height: 165px;
    padding: 16px 18px;
  }
  .fragment-rres strong,
  .fragment-ats strong {
    font-size: 32px;
  }
  .fragment-cardline {
    font-size: 11px;
    padding: 7px 9px;
  }
  .hero-field-caption {
    font-size: 9px;
    margin-top: 12px;
  }
  .manifesto,
  .aion,
  .work,
  .lab,
  .experience,
  .principles,
  .about {
    padding: 95px 0 105px;
  }
  .manifesto-statement {
    font-size: clamp(40px, 10vw, 64px);
  }
  .manifesto-note {
    margin: 44px 0 0;
    width: 100%;
    padding-left: 18px;
  }
  .capability-grid {
    margin-top: 90px;
  }
  .section-head {
    display: block;
  }
  .section-head-copy {
    margin-top: 18px;
    text-align: left;
    max-width: 100%;
  }
  .section-head h2 {
    font-size: clamp(48px, 12vw, 68px);
  }
  .aion-stage {
    margin-top: 55px;
  }
  .aion-copy {
    display: block;
  }
  .aion-copy .text-link {
    margin-top: 15px;
  }
  .project-visual {
    height: 340px;
  }
  .project-window {
    inset: 25px 4% 25px;
  }
  .project-meta {
    display: block;
  }
  .project-number {
    margin-bottom: 12px;
  }
  .project-info h3 {
    font-size: 33px;
  }
  .project-open {
    margin-top: 18px;
  }
  .project-tags span {
    font-size: 9px;
  }
  .about-links {
    flex-wrap: wrap;
    gap: 16px;
  }
  .rres-dashboard {
    inset: 25px 4%;
  }
  .rres-body {
    grid-template-columns: 1fr;
  }
  .rres-side {
    display: flex;
    gap: 16px;
    align-items: center;
    padding: 11px 12px;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  }
  .rres-side span {
    margin: 0;
  }
  .rres-side strong {
    font-size: 18px;
  }
  .rres-main {
    padding: 10px;
  }
  .agent-node {
    width: 118px;
    padding: 11px;
  }
  .agent-node b {
    font-size: 17px;
  }
  .supervisor {
    width: 150px;
  }
  .support { left: 4%; top: 15%; }
  .content { right: 4%; top: 15%; }
  .forms { right: 8%; bottom: 11%; }
  .agent-core { left: 6%; bottom: 11%; }
  .ats-visual {
    inset: 25px 4%;
    padding: 22px 18px;
  }
  .ats-score {
    gap: 8px;
  }
  .ats-score strong {
    font-size: 48px;
  }
  .ats-row {
    grid-template-columns: 66px 1fr 22px;
    gap: 7px;
  }
  .ats-gap {
    grid-template-columns: 1fr;
    gap: 4px;
  }
  .project-rres .project-visual,
  .project-agents .project-visual,
  .project-nlp .project-visual {
    height: 380px;
  }
  .lab-canvas {
    height: 520px;
  }
  .lab-item {
    width: 120px;
    padding: 10px;
  }
  .lab-item span {
    font-size: 9px;
  }
  .lab-item small {
    font-size: 9px;
  }
  .item-a { left: 10%; top: 18%; }
  .item-b { left: 30%; top: 8%; }
  .item-c { left: 72%; top: 9%; }
  .item-d { left: 86%; top: 39%; }
  .item-e { left: 80%; top: 82%; }
  .lab-center {
    width: 120px;
    height: 120px;
    font-size: 22px;
  }
  .timeline-item {
    grid-template-columns: 55px 15px 1fr;
    gap: 12px;
  }
  .timeline-content h3 {
    font-size: 22px;
  }
  .contact-stage::after {
    display: none;
  }
  .contact-actions {
    flex-wrap: wrap;
  }
  .contact-actions .button {
    min-width: 155px;
  }
  .contact-footer {
    font-size: 9px;
  }
  .progress {
    right: 7px;
  }
  .palette-grid {
    grid-template-columns: 1fr;
  }
  .palette-grid button:nth-child(odd),
  .palette-grid button:nth-child(even) {
    border-right: 0;
  }
  .case-evidence {
    min-height: 420px;
  }
  .evidence-body {
    grid-template-columns: 42px 1fr;
  }
  .evidence-mini {
    display: none;
  }
  .evidence-chat {
    padding: 24px 18px;
  }
  .evidence-msg {
    max-width: 80%;
    font-size: 12px;
  }
  .rres-evidence-grid {
    padding: 18px;
    gap: 7px;
  }
  .rres-stat {
    padding: 12px;
  }
  .rres-stat strong {
    font-size: 30px;
  }
  .rres-evidence-list {
    padding: 0 18px 18px;
  }
  .rres-evidence-list > div {
    grid-template-columns: 42px 1fr;
  }
  .rres-evidence-list small {
    grid-column: 2;
  }
  .case-ats-evidence {
    grid-template-columns: 1fr;
    padding: 25px;
    gap: 25px;
  }
  .ats-evidence-score strong {
    font-size: 60px;
  }
  .case-grid {
    grid-template-columns: 1fr;
  }
  .case-lab-evidence {
    padding: 28px;
  }
  .lab-evidence-track {
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 34px;
  }
  .lab-evidence-track i {
    width: 40px;
  }
  .lab-evidence-caption {
    font-size: 14px;
    margin-top: 32px;
  }
}

/* --------------------------------------------------------------------------
   Editorial hero and focused case-study presentation
   -------------------------------------------------------------------------- */
.hero {
  --hero-light-x: 50%;
  --hero-light-y: 45%;
  min-height: 100svh;
  isolation: isolate;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: radial-gradient(circle at var(--hero-light-x) var(--hero-light-y), rgba(200, 255, 61, 0.07), transparent 28%);
  transition: background 0.2s ease-out;
}

.hero-grid {
  opacity: 0.14;
  background-size: 110px 110px;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.75), transparent 82%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.75), transparent 82%);
}

.hero-atmosphere {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    linear-gradient(112deg, transparent 0 54%, rgba(255, 255, 255, 0.025) 54.1%, transparent 54.3%),
    radial-gradient(ellipse at 72% 32%, rgba(107, 132, 74, 0.08), transparent 42%);
}

.hero-content {
  min-height: 100svh;
  padding-top: 104px;
  padding-bottom: 72px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.hero-topline {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  font: 500 10px var(--mono);
  letter-spacing: 0.14em;
  color: #9197a1;
}

.hero-identity {
  margin: auto 0;
  padding: clamp(34px, 5vh, 70px) 0;
  font-size: clamp(112px, 17.4vw, 300px);
  font-weight: 700;
  line-height: 0.7;
  letter-spacing: -0.095em;
  text-transform: uppercase;
}

.hero-word {
  display: block;
  width: max-content;
  max-width: 100%;
  transform: translate3d(var(--word-x, 0), var(--word-y, 0), 0);
  transition: transform 0.55s cubic-bezier(0.16, 1, 0.3, 1), color 0.35s ease;
  will-change: transform;
}

.hero-word-ata {
  color: #f4f4ef;
}

.hero-word-rehman {
  margin-left: 14.5%;
  font-size: 0.78em;
  line-height: 0.9;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(244, 244, 239, 0.9);
}

.hero-identity:hover .hero-word-rehman {
  color: rgba(244, 244, 239, 0.035);
}

.hero-editorial-footer {
  display: grid;
  grid-template-columns: 0.8fr 1.35fr auto;
  gap: clamp(26px, 4vw, 72px);
  align-items: end;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  padding-top: 22px;
}

.hero-role,
.hero-statement span,
.hero-github {
  font: 500 10px var(--mono);
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.hero-role {
  color: var(--accent);
}

.hero-statement p {
  max-width: 620px;
  margin: 0 0 11px;
  font-size: clamp(22px, 2.25vw, 36px);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.045em;
}

.hero-statement span,
.hero-github {
  color: #969ca6;
}

.hero-github {
  display: inline-block;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.25);
  transition: color 0.2s, border-color 0.2s;
}

.hero-github:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.hero-editorial-footer .hero-actions {
  align-items: center;
  flex-wrap: nowrap;
}

.overlay {
  padding: 24px;
  background: rgba(2, 3, 5, 0.86);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

.overlay-bg {
  background: radial-gradient(circle at 50% 20%, rgba(200, 255, 61, 0.07), transparent 32%);
}

.overlay-content.shell {
  width: min(1180px, calc(100% - 96px));
  height: calc(100svh - 48px);
  margin: 0 auto;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.13);
  background: #090b0e;
  box-shadow: 0 30px 120px rgba(0, 0, 0, 0.62);
  scrollbar-width: thin;
  scrollbar-color: #596068 transparent;
}

.case-layout {
  padding: clamp(34px, 5vw, 70px);
}

.overlay-close {
  position: fixed;
  top: 38px;
  right: max(38px, calc((100vw - 1180px) / 2 + 14px));
  width: 38px;
  height: 38px;
  background: #101318;
  font-size: 21px;
  z-index: 102;
}

.case-head {
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: clamp(36px, 7vw, 100px);
  align-items: end;
  padding-right: 26px;
}

.case-title {
  max-width: 760px;
  margin: 14px 0 0;
  font-size: clamp(46px, 6.2vw, 88px);
  line-height: 0.92;
  letter-spacing: -0.065em;
  text-wrap: balance;
}

.case-summary {
  margin: 0;
  font-size: clamp(16px, 1.35vw, 20px);
  color: #c2c6ce;
}

.case-metric {
  margin-top: 18px;
  line-height: 1.5;
}

.case-evidence {
  min-height: 350px;
  margin-top: clamp(38px, 5vw, 64px);
  box-shadow: none;
}

.evidence-body {
  min-height: 312px;
}

.case-grid {
  margin-top: 24px;
  gap: 12px;
}

.case-cell {
  min-height: 150px;
  padding: 24px;
  background: rgba(255, 255, 255, 0.015);
}

.case-close-note {
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.case-lab-dialog {
  min-height: min(520px, calc(100svh - 50px));
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.case-lab-dialog .case-head {
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 1.1fr);
}

.case-lab-dialog .case-grid {
  display: none;
}

.case-lab-dialog .case-title {
  font-size: clamp(48px, 6vw, 82px);
}

@media (max-width: 900px) {
  .hero-content {
    padding-top: 92px;
    padding-bottom: 34px;
  }
  .hero-identity {
    font-size: clamp(82px, 20vw, 174px);
    line-height: 0.76;
  }
  .hero-word-rehman {
    margin-left: 0;
    font-size: 0.82em;
  }
  .hero-editorial-footer {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .hero-editorial-footer .hero-actions {
    justify-content: space-between;
  }
  .overlay {
    padding: 0;
  }
  .overlay-content.shell {
    width: 100%;
    height: 100svh;
    border: 0;
  }
  .overlay-close {
    top: 16px;
    right: 16px;
  }
  .case-layout {
    padding: 76px 22px 34px;
  }
  .case-head,
  .case-lab-dialog .case-head {
    grid-template-columns: 1fr;
    gap: 24px;
    padding-right: 0;
  }
  .case-title,
  .case-lab-dialog .case-title {
    font-size: clamp(42px, 13vw, 68px);
  }
}

@media (max-width: 640px) {
  .hero-content {
    padding-top: 88px;
  }
  .hero-topline span:last-child {
    display: none;
  }
  .hero-identity {
    font-size: clamp(76px, 23vw, 124px);
    padding: 28px 0;
  }
  .hero-word-rehman {
    font-size: 0.72em;
    line-height: 0.9;
    margin-top: 18px;
    letter-spacing: -0.075em;
  }
  .hero-statement p {
    font-size: 24px;
  }
  .hero-editorial-footer .hero-actions {
    flex-wrap: wrap;
  }
  .hero-editorial-footer .button {
    width: 100%;
  }
  .case-evidence {
    min-height: 330px;
  }
  .case-cell {
    min-height: 0;
  }
}

/* --------------------------------------------------------------------------
   How I work: converging system
   -------------------------------------------------------------------------- */
.principles {
  padding: 140px 0;
}

.approach-head {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 60px;
  align-items: end;
  margin-top: 28px;
}

.approach-head h2 {
  margin: 0;
  font-size: clamp(58px, 7vw, 104px);
  line-height: 0.9;
  letter-spacing: -0.07em;
}

.approach-head h2 span {
  color: #8d9299;
}

.approach-head p {
  max-width: 470px;
  margin: 0;
  color: #565c64;
  font-size: 17px;
  line-height: 1.6;
}

.approach-system {
  position: relative;
  min-height: 650px;
  margin-top: 90px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  isolation: isolate;
}

.approach-system::before {
  content: "";
  position: absolute;
  inset: 14% 24%;
  z-index: -1;
  background: radial-gradient(circle, rgba(200, 255, 61, 0.18), transparent 62%);
  filter: blur(24px);
  opacity: 0.6;
}

.approach-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.approach-lines path {
  fill: none;
  stroke: rgba(13, 17, 21, 0.18);
  stroke-width: 1.5;
  stroke-dasharray: 4 8;
  vector-effect: non-scaling-stroke;
}

.approach-card {
  position: absolute;
  width: min(290px, 29%);
  min-height: 145px;
  padding: 22px;
  border: 1px solid rgba(13, 17, 21, 0.16);
  background: rgba(240, 240, 235, 0.93);
  color: #0a0c0f;
  text-align: left;
  transition: color 0.35s ease, background 0.35s ease, border-color 0.35s ease, transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.35s ease;
}

.approach-card-a { left: 0; top: 34px; }
.approach-card-b { right: 0; top: 34px; }
.approach-card-c { left: 0; bottom: 34px; }
.approach-card-d { right: 0; bottom: 34px; }

.approach-card span {
  display: block;
  margin-bottom: 28px;
  font: 500 10px var(--mono);
  letter-spacing: 0.1em;
  color: #747a82;
}

.approach-card h3 {
  margin: 0 0 8px;
  font-size: 21px;
  letter-spacing: -0.035em;
}

.approach-card p {
  margin: 0;
  font: 500 9px var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #747a82;
}

.approach-card:hover,
.approach-card:focus-visible,
.approach-card.active {
  background: #090b0e;
  color: #f2f3ee;
  border-color: #090b0e;
  transform: translateY(-5px);
  box-shadow: 0 24px 60px rgba(11, 14, 17, 0.17);
}

.approach-card:hover span,
.approach-card:hover p,
.approach-card:focus-visible span,
.approach-card:focus-visible p,
.approach-card.active span,
.approach-card.active p {
  color: var(--accent);
}

.approach-core {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 250px;
  height: 250px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 30px;
  background: #090b0e;
  color: #f2f3ee;
  box-shadow: 0 28px 80px rgba(11, 14, 17, 0.2), 0 0 0 12px rgba(200, 255, 61, 0.06);
}

.approach-core small {
  font: 500 9px var(--mono);
  letter-spacing: 0.12em;
  color: var(--accent);
}

.approach-core strong {
  margin: 14px 0 12px;
  font-size: 32px;
  line-height: 0.9;
  letter-spacing: -0.055em;
}

.approach-core span {
  max-width: 185px;
  color: #9da3ab;
  font-size: 11px;
  line-height: 1.45;
}

.approach-packet {
  position: absolute;
  z-index: 2;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 14px rgba(144, 190, 25, 0.8);
  pointer-events: none;
}

.packet-in-a { animation: approachInA 4.2s ease-in-out infinite; }
.packet-in-b { animation: approachInB 4.8s ease-in-out 1.1s infinite; }
.packet-out-a { animation: approachOutA 4.5s ease-in-out 0.5s infinite; }
.packet-out-b { animation: approachOutB 5s ease-in-out 1.7s infinite; }

@keyframes approachInA {
  0% { left: 19%; top: 22%; opacity: 0; } 12% { opacity: 1; } 78% { opacity: 1; } 100% { left: 49%; top: 49%; opacity: 0; }
}
@keyframes approachInB {
  0% { left: 81%; top: 22%; opacity: 0; } 12% { opacity: 1; } 78% { opacity: 1; } 100% { left: 51%; top: 49%; opacity: 0; }
}
@keyframes approachOutA {
  0% { left: 49%; top: 51%; opacity: 0; } 12% { opacity: 1; } 78% { opacity: 1; } 100% { left: 19%; top: 78%; opacity: 0; }
}
@keyframes approachOutB {
  0% { left: 51%; top: 51%; opacity: 0; } 12% { opacity: 1; } 78% { opacity: 1; } 100% { left: 81%; top: 78%; opacity: 0; }
}

.about-current {
  margin-top: 34px !important;
  padding: 20px 0;
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}

.about-current b {
  color: var(--accent);
  font: 500 10px var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Full-page project chapters */
.overlay {
  padding: 0;
  background: #07080b;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}

.overlay-bg {
  display: none;
}

.overlay-content.shell {
  width: 100%;
  max-width: none;
  height: 100svh;
  margin: 0;
  border: 0;
  background: #07080b;
  box-shadow: none;
}

.case-layout {
  width: min(calc(100% - 80px), 1320px);
  margin: 0 auto;
  padding: 0 0 90px;
}

.case-chapter-bar {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line-dark);
  padding-right: 60px;
  color: #858b95;
  font: 500 9px var(--mono);
  letter-spacing: 0.12em;
}

.overlay-close {
  position: fixed;
  top: 17px;
  right: max(22px, calc((100vw - 1320px) / 2 + 40px));
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: #11141a;
}

.case-head {
  min-height: min(570px, 70svh);
  padding: 80px 0 70px;
  grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.8fr);
  align-items: end;
  border-bottom: 1px solid var(--line-dark);
}

.case-title {
  max-width: 850px;
  font-size: clamp(64px, 8.3vw, 132px);
  line-height: 0.82;
}

.case-summary {
  max-width: 500px;
  font-size: clamp(19px, 1.65vw, 25px);
  line-height: 1.45;
}

.case-evidence {
  min-height: 500px;
  margin-top: 70px;
}

.evidence-body {
  min-height: 462px;
}

.case-story {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 1px;
  margin-top: 70px;
  background: var(--line-dark);
  border: 1px solid var(--line-dark);
}

.case-story > div {
  padding: clamp(30px, 4vw, 58px);
  background: #090b0e;
}

.case-story span,
.case-section-label,
.case-closing > span {
  font: 500 9px var(--mono);
  letter-spacing: 0.12em;
  color: var(--accent);
}

.case-story p {
  margin: 24px 0 0;
  font-size: clamp(20px, 2vw, 30px);
  line-height: 1.42;
  letter-spacing: -0.025em;
}

.case-ownership p {
  color: #a6abb4;
  font-size: 16px;
  line-height: 1.7;
}

.case-section-label {
  display: flex;
  justify-content: space-between;
  margin-top: 90px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-dark);
}

.case-section-label span:last-child {
  color: #737985;
}

.case-grid {
  margin-top: 0;
  gap: 0;
  border-left: 1px solid var(--line-dark);
}

.case-cell {
  min-height: 240px;
  padding: clamp(28px, 3.4vw, 48px);
  border-left: 0;
  border-top: 0;
  background: #090b0e;
}

.case-cell h4 {
  font-size: 27px;
  margin-bottom: 18px;
}

.case-cell p {
  max-width: 520px;
  font-size: 16px;
  line-height: 1.65;
}

.case-closing {
  min-height: 460px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  margin-top: 90px;
  padding: clamp(40px, 7vw, 100px);
  background: var(--accent);
  color: #0a0c0e;
}

.case-closing > span {
  color: #303814;
}

.case-closing p {
  max-width: 1000px;
  margin: 32px 0 50px;
  font-size: clamp(32px, 4.5vw, 66px);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.055em;
}

.case-closing button {
  min-width: 220px;
  display: flex;
  justify-content: space-between;
  padding: 16px 18px;
  border: 1px solid rgba(10, 12, 14, 0.4);
  font: 500 10px var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

@media (max-width: 980px) {
  .approach-system { min-height: 760px; }
  .approach-card { width: 35%; }
  .approach-card-a, .approach-card-b { top: 36px; }
  .approach-card-c, .approach-card-d { bottom: 36px; }
  .approach-core { width: 220px; height: 220px; }
  .case-layout { width: min(calc(100% - 40px), 1320px); }
  .case-head { min-height: auto; padding: 110px 0 60px; }
  .case-title { font-size: clamp(58px, 10vw, 96px); }
  .case-story { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
  .approach-head { grid-template-columns: 1fr; gap: 24px; }
  .approach-head h2 { font-size: clamp(50px, 14vw, 76px); }
  .approach-system { min-height: auto; padding: 28px 0; display: grid; gap: 10px; overflow: visible; }
  .approach-lines, .approach-packet { display: none; }
  .approach-card { position: relative; inset: auto; width: 100%; min-height: 120px; }
  .approach-card span { margin-bottom: 18px; }
  .approach-core { position: relative; left: auto; top: auto; transform: none; width: 100%; height: auto; min-height: 220px; border-radius: 0; order: 3; }
  .approach-card-a { order: 1; } .approach-card-b { order: 2; } .approach-card-c { order: 4; } .approach-card-d { order: 5; }
  .case-layout { width: min(calc(100% - 24px), 1320px); }
  .case-chapter-bar span:last-child { display: none; }
  .case-head { grid-template-columns: 1fr; gap: 34px; padding: 100px 0 48px; }
  .case-title { font-size: clamp(48px, 14vw, 72px); line-height: 0.9; }
  .case-summary { font-size: 18px; }
  .case-evidence { min-height: 410px; margin-top: 42px; }
  .case-story { margin-top: 42px; }
  .case-story p { font-size: 21px; }
  .case-section-label { margin-top: 62px; }
  .case-grid { grid-template-columns: 1fr; }
  .case-cell { min-height: 0; }
  .case-closing { min-height: 380px; margin-top: 60px; padding: 34px 24px; }
  .case-closing p { font-size: clamp(30px, 9vw, 46px); }
}

/* --------------------------------------------------------------------------
   23. Accessibility: Prefers-Reduced-Motion
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}