/* =================================================================
   Ansar A — Portfolio
   Tokens kept from original palette, restructured.
   ================================================================= */

:root {
  /* —— Palette (kept) —— */
  --c-navy-900: #0a192f;
  --c-navy-800: #0e1e3a;
  --c-navy-700: #112240;
  --c-navy-600: #18305a;

  --c-mint-500: #64ffda;
  --c-mint-600: #3ee8be;
  --c-mint-200: rgba(100, 255, 218, 0.16);
  --c-mint-100: rgba(100, 255, 218, 0.08);

  --c-text:     #ccd6f6;
  --c-text-dim: #8892b0;
  --c-text-hi:  #e6f1ff;

  /* —— Semantic, dark default —— */
  --bg:        var(--c-navy-900);
  --bg-elev:   var(--c-navy-800);
  --bg-surface:#0c1c36;
  --line:      rgba(204, 214, 246, 0.10);
  --line-2:    rgba(204, 214, 246, 0.18);
  --text:      var(--c-text);
  --text-dim:  var(--c-text-dim);
  --text-hi:   var(--c-text-hi);
  --accent:    var(--c-mint-500);
  --accent-2:  var(--c-mint-600);
  --accent-soft: var(--c-mint-200);

  --tag-bg:   rgba(204, 214, 246, 0.05);
  --tag-line: rgba(204, 214, 246, 0.12);

  --grid-line: rgba(204, 214, 246, 0.045);

  /* —— Type —— */
  --f-sans: 'Geist', -apple-system, BlinkMacSystemFont, 'Inter', sans-serif;
  --f-mono: 'Geist Mono', 'JetBrains Mono', 'SF Mono', ui-monospace, monospace;
  --f-serif: 'Instrument Serif', 'EB Garamond', serif;

  /* —— Easing & motion —— */
  --ease: cubic-bezier(.2, .7, .2, 1);
  --ease-out: cubic-bezier(.16, 1, .3, 1);

  /* —— Radii —— */
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 16px;

  color-scheme: dark;
}

/* —— Light theme —— */
html[data-theme='light'] {
  --bg:        #f6f5f0;
  --bg-elev:   #efede5;
  --bg-surface:#fbfaf6;
  --line:      rgba(10, 25, 47, 0.10);
  --line-2:    rgba(10, 25, 47, 0.18);
  --text:      #1a2a44;
  --text-dim:  #5a6781;
  --text-hi:   #08111f;
  --accent:    #0f7a5d;     /* deep teal — readable mint sibling */
  --accent-2:  #0a5e47;
  --accent-soft: rgba(15, 122, 93, 0.14);

  --tag-bg:   rgba(10, 25, 47, 0.04);
  --tag-line: rgba(10, 25, 47, 0.12);

  --grid-line: rgba(10, 25, 47, 0.05);

  color-scheme: light;
}

/* =================================================================
   Reset / base
   ================================================================= */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--f-sans);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.55;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  transition: background 0.35s var(--ease), color 0.35s var(--ease);
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
em { font-style: italic; }

::selection { background: var(--accent); color: var(--bg); }

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
}

/* helpers */
.mono     { font-family: var(--f-mono); font-size: 11.5px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-dim); }
.serif    { font-family: var(--f-serif); font-style: italic; font-weight: 400; letter-spacing: -0.01em; }
.primary  { color: var(--accent); }
.dim      { color: var(--text-dim) !important; }
.accent   { color: var(--accent) !important; }
.prose    { font-size: 17px; line-height: 1.7; color: var(--text); margin: 0 0 1.2em; max-width: 60ch; text-wrap: pretty; }
.prose a  { color: var(--text-hi); border-bottom: 1px solid var(--line-2); transition: color 0.2s, border-color 0.2s; }
.prose a:hover { color: var(--accent); border-bottom-color: var(--accent); }

/* =================================================================
   Grid background
   ================================================================= */
.bg-grid {
  position: fixed; inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 100% 60% at 50% 0%, #000 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 100% 60% at 50% 0%, #000 0%, transparent 75%);
  z-index: 0;
}

/* =================================================================
   Navigation
   ================================================================= */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--bg) 80%, transparent);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  transition: background 0.3s var(--ease);
}
.nav__inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 14px 32px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 32px;
}
.nav__rule { height: 1px; background: var(--line); }
.nav__brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--text-hi);
}
.brand__mark {
  width: 28px; height: 28px;
  display: inline-grid; place-items: center;
  border: 1px solid var(--line-2);
  border-radius: 6px;
  font-family: var(--f-mono);
  font-size: 13px;
  color: var(--accent);
  background: var(--accent-soft);
  transition: transform 0.4s var(--ease-out);
}
.nav__brand:hover .brand__mark { transform: rotate(-8deg); }
.brand__name { font-size: 15px; }
.brand__dot { color: var(--accent); }

.nav__links {
  display: flex;
  justify-content: center;
  gap: 28px;
}
.nav__links a {
  font-size: 14px;
  color: var(--text);
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  position: relative;
  padding: 4px 2px;
  transition: color 0.2s var(--ease);
}
.nav__links a .mono { font-size: 10px; color: var(--text-dim); }
.nav__links a:hover { color: var(--text-hi); }
.nav__links a:hover .mono { color: var(--accent); }

.nav__tools {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  background: var(--bg-elev);
  white-space: nowrap;
}
.status__dot {
  width: 7px; height: 7px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 0 0 var(--accent);
  animation: pulse 2.2s ease-out infinite;
}
.status--inline { padding: 0; background: transparent; border: 0; }
.status__text { font-size: 10.5px; color: var(--text); }

@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 color-mix(in oklab, var(--accent) 60%, transparent); }
  70%  { box-shadow: 0 0 0 8px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}

.theme {
  width: 38px; height: 38px;
  display: inline-grid; place-items: center;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  color: var(--text);
  transition: color 0.2s, border-color 0.2s, transform 0.3s var(--ease-out);
}
.theme:hover { color: var(--accent); border-color: var(--accent); transform: rotate(15deg); }
.theme__icon { width: 16px; height: 16px; }
.theme__icon--sun { display: none; }
html[data-theme='light'] .theme__icon--moon { display: none; }
html[data-theme='light'] .theme__icon--sun  { display: block; }

/* =================================================================
   HERO
   ================================================================= */
.hero { padding: 56px 0 0; position: relative; z-index: 1; }
.hero__grid {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 56px;
  align-items: end;
  padding-bottom: 80px;
}
.hero__meta { grid-column: 1 / -1; }

.kicker {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}
.kicker__year { color: var(--text-dim); }

.hero__lead { max-width: 820px; }
.display {
  margin: 32px 0 28px;
  font-family: var(--f-sans);
  font-weight: 500;
  font-size: clamp(48px, 8vw, 112px);
  line-height: 0.98;
  letter-spacing: -0.035em;
  color: var(--text-hi);
}
.display__line {
  display: block;
  opacity: 0;
  transform: translateY(28px);
  animation: rise 0.9s var(--ease-out) forwards;
}
.display__line:nth-child(1) { animation-delay: 0.05s; }
.display__line:nth-child(2) { animation-delay: 0.15s; }
.display__line:nth-child(3) { animation-delay: 0.25s; }
.display .serif {
  font-family: var(--f-serif);
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.015em;
  color: var(--accent);
}

@keyframes rise {
  to { opacity: 1; transform: translateY(0); }
}

.lede {
  max-width: 56ch;
  font-size: 18px;
  line-height: 1.6;
  color: var(--text);
  margin: 0 0 28px;
  text-wrap: pretty;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 22px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.005em;
  border: 1px solid var(--line-2);
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s, transform 0.3s var(--ease-out);
  white-space: nowrap;
}
.btn svg { transition: transform 0.3s var(--ease-out); }
.btn:hover svg { transform: translateX(3px); }
.btn--primary {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}
.btn--primary:hover { background: var(--accent-2); border-color: var(--accent-2); }
.btn--ghost {
  background: transparent;
  color: var(--text-hi);
}
.btn--ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn--large { padding: 18px 28px; font-size: 16px; }

/* hero panel */
.hero__panel {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

/* portrait slot inside hero */
.hero__portrait {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.hero__portrait image-slot {
  --slot-bg: var(--bg-elev);
  --slot-border: var(--line);
  --slot-text: var(--text-dim);
  width: 240px;
  height: 240px;
  border-radius: 12px;
}
.hero__portrait__cap {
  text-align: right;
  padding-right: 2px;
}
.panel {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--bg-elev);
  overflow: hidden;
}
.panel__head {
  display: flex;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  background: color-mix(in oklab, var(--bg-surface) 60%, transparent);
}
.panel__rows { margin: 0; }
.panel__row {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 14px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}
.panel__row:last-child { border-bottom: 0; }
.panel__row dt { color: var(--text-dim); }
.panel__row dd { margin: 0; color: var(--text-hi); }
.panel__row--accent { background: var(--accent-soft); }
.panel__row--accent dd { color: var(--accent); }

.panel__caption {
  display: flex;
  justify-content: space-between;
  margin-top: 12px;
  padding: 0 4px;
}

/* marquee */
.marquee {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  padding: 18px 0;
  background: var(--bg);
}
.marquee__track {
  display: flex;
  gap: 36px;
  align-items: center;
  white-space: nowrap;
  font-family: var(--f-mono);
  font-size: 12.5px;
  letter-spacing: 0.18em;
  color: var(--text);
  animation: marquee 60s linear infinite;
  width: max-content;
}
.marquee__dot { color: var(--accent); font-size: 10px; }
@keyframes marquee {
  to { transform: translateX(-50%); }
}

/* =================================================================
   Section base
   ================================================================= */
.section {
  position: relative;
  padding: 140px 0 100px;
  z-index: 1;
}
.section--surface { background: var(--bg-elev); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section--contact { padding: 160px 0 120px; }

.section__head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  margin-bottom: 64px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}
.section__head .index {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--text-dim);
}
.section__head .index::after {
  content: ''; display: inline-block; width: 28px; height: 1px; background: var(--accent);
}
.section__title {
  margin: 0;
  font-weight: 500;
  font-size: clamp(32px, 4.6vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.025em;
  color: var(--text-hi);
}
.section__sub {
  margin: 0;
  color: var(--text-dim);
  font-size: 16px;
}

/* =================================================================
   About
   ================================================================= */
.about {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 80px;
  align-items: start;
}
.about__body .prose:first-child { font-size: 22px; line-height: 1.45; color: var(--text-hi); }
.about__facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
}
.fact {
  background: var(--bg);
  padding: 24px 22px 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 160px;
  transition: background 0.25s var(--ease);
}
.fact:hover { background: var(--bg-elev); }
.fact__label { color: var(--text-dim); }
.fact__value {
  font-family: var(--f-sans);
  font-weight: 500;
  font-size: 56px;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--text-hi);
  display: flex;
  align-items: baseline;
}
.fact__suffix { color: var(--accent); margin-left: 2px; }
.fact__desc { color: var(--text-dim); font-size: 13.5px; margin-top: auto; }

/* =================================================================
   Stack matrix
   ================================================================= */
.matrix {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
}
.matrix--compact { grid-template-columns: repeat(3, 1fr); }
.matrix--compact .cell { min-height: 160px; }
.cell__line {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--text);
  letter-spacing: -0.005em;
}
.cell {
  background: var(--bg);
  padding: 26px 24px 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: background 0.25s var(--ease);
  position: relative;
}
.cell::after {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: var(--accent);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.4s var(--ease-out);
}
.cell:hover { background: var(--bg-elev); }
.cell:hover::after { transform: scaleX(1); }

.cell__head {
  display: flex; flex-direction: column; gap: 6px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.cell__head .mono { color: var(--accent); }
.cell__head h3 {
  margin: 0;
  font-weight: 500;
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--text-hi);
}
.cell__list { display: flex; flex-direction: column; gap: 6px; }
.cell__list li {
  font-size: 14px;
  color: var(--text);
  position: relative;
  padding-left: 14px;
}
.cell__list li::before {
  content: ''; position: absolute;
  left: 0; top: 0.65em;
  width: 6px; height: 1px;
  background: var(--text-dim);
}

/* =================================================================
   Timeline
   ================================================================= */
.timeline { display: flex; flex-direction: column; }
.entry {
  display: grid;
  grid-template-columns: 24px 200px 1fr;
  gap: 32px;
  padding: 32px 0;
  border-top: 1px solid var(--line);
  position: relative;
}
.entry:last-child { border-bottom: 1px solid var(--line); }
.entry__rail {
  position: relative;
}
.entry__rail::before {
  content: '';
  position: absolute;
  left: 11px; top: 8px;
  width: 9px; height: 9px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}
.entry__when {
  display: flex; flex-direction: column; gap: 2px;
  padding-top: 4px;
}
.entry__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 16px 20px;
  margin-bottom: 8px;
}
.entry__role {
  margin: 0;
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.015em;
  color: var(--text-hi);
}
.entry__co {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 10px 5px 6px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  color: var(--text);
  background: var(--bg-elev);
  transition: border-color 0.2s, color 0.2s;
}
.entry__co img { width: 18px; height: 18px; object-fit: contain; border-radius: 4px; background: #fff; padding: 2px; }
.entry__co__mono {
  display: inline-grid;
  place-items: center;
  width: 18px; height: 18px;
  border-radius: 4px;
  background: var(--accent);
  color: var(--bg);
  font-family: var(--f-mono);
  font-size: 10px;
  font-weight: 600;
  line-height: 1;
}
.entry__co:hover { border-color: var(--accent); color: var(--accent); }
.entry__line { margin: 6px 0 0; font-size: 15.5px; color: var(--text); }
.entry__line strong { color: var(--text-hi); font-weight: 500; }
.entry__line .mono { font-size: 11px; }

.entry--current .entry__rail::before {
  background: var(--accent);
  box-shadow:
    0 0 0 4px var(--accent-soft),
    0 0 0 9px color-mix(in oklab, var(--accent) 8%, transparent);
  animation: rail-pulse 2.4s ease-out infinite;
}
@keyframes rail-pulse {
  0%, 100% { box-shadow: 0 0 0 4px var(--accent-soft), 0 0 0 9px color-mix(in oklab, var(--accent) 8%, transparent); }
  50%      { box-shadow: 0 0 0 6px var(--accent-soft), 0 0 0 14px color-mix(in oklab, var(--accent) 4%, transparent); }
}

/* logos strip */
.logos {
  margin-top: 56px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 24px;
  align-items: center;
}
.logos__row {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--bg);
}
.logos__cell {
  display: grid; place-items: center;
  padding: 22px 14px;
  border-right: 1px solid var(--line);
  filter: grayscale(1) brightness(1.4) contrast(0.7);
  opacity: 0.7;
  transition: opacity 0.25s, filter 0.25s;
  min-height: 70px;
}
html[data-theme='light'] .logos__cell { filter: grayscale(1) contrast(0.85); }
.logos__cell:last-child { border-right: 0; }
.logos__cell img { max-height: 28px; width: auto; object-fit: contain; }
.logo-mono {
  font-family: var(--f-sans);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: -0.01em;
  color: var(--text-hi);
}
.logos__cell:hover,
html[data-theme='light'] .logos__cell:hover { opacity: 1; filter: none; }

/* =================================================================
   Projects
   ================================================================= */
.projects {
  border-top: 1px solid var(--line);
}
.project { border-bottom: 1px solid var(--line); }
.project__row {
  display: grid;
  grid-template-columns: 60px 1.4fr 1fr 60px 40px;
  align-items: center;
  gap: 32px;
  padding: 28px 8px;
  transition: padding 0.4s var(--ease-out), background 0.3s;
  position: relative;
}
.project__row::before {
  content: ''; position: absolute; left: 0; right: 0; top: 0; bottom: 0;
  background: var(--accent-soft);
  opacity: 0;
  transition: opacity 0.3s var(--ease);
  z-index: -1;
}
.project__row:hover { padding: 28px 24px; }
.project__row:hover::before { opacity: 1; }

.project__index { color: var(--text-dim); }
.project__row:hover .project__index { color: var(--accent); }
.project__title h3 {
  margin: 0 0 6px;
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.015em;
  color: var(--text-hi);
  transition: color 0.2s;
}
.project__row:hover .project__title h3 { color: var(--accent); }
.project__title p {
  margin: 0;
  color: var(--text-dim);
  font-size: 14.5px;
  line-height: 1.5;
  max-width: 56ch;
}
.project__tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag {
  font-family: var(--f-mono);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 5px 9px;
  border-radius: 4px;
  background: var(--tag-bg);
  border: 1px solid var(--tag-line);
  color: var(--text-dim);
}
.project__year { text-align: right; color: var(--text-dim); }
.project__arrow {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text);
  transition: transform 0.35s var(--ease-out), border-color 0.3s, color 0.3s, background 0.3s;
}
.project__row:hover .project__arrow {
  transform: translate(4px, -4px) rotate(0);
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg);
}

/* =================================================================
   Contact
   ================================================================= */
.contact { max-width: 900px; }
.contact__title {
  margin: 0 0 24px;
  font-size: clamp(40px, 6vw, 80px);
  line-height: 1.05;
  letter-spacing: -0.035em;
  font-weight: 500;
  color: var(--text-hi);
}
.contact__title em { color: var(--accent); font-family: var(--f-serif); font-style: italic; font-weight: 400; }
.contact__sub {
  margin: 0 0 40px;
  color: var(--text-dim);
  font-size: 18px;
  line-height: 1.55;
  max-width: 56ch;
}
.contact__cta { margin-bottom: 56px; }

.socials {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  max-width: 720px;
}
.socials li { border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.socials a {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 14px;
  padding: 18px 22px;
  font-size: 16px;
  color: var(--text-hi);
  transition: background 0.25s, color 0.25s;
}
.socials a:hover { background: var(--accent-soft); color: var(--accent); }
.socials a:hover .mono { color: var(--accent); }

/* =================================================================
   Footer
   ================================================================= */
.foot {
  border-top: 1px solid var(--line);
  padding: 32px 0 0;
  background: var(--bg);
  position: relative; z-index: 1;
}
.foot__grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  align-items: center;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
}
.foot__col--center { text-align: center; }
.foot__col--right  { text-align: right; }
.foot__col a:hover { color: var(--accent); }

.foot__signature {
  display: flex;
  justify-content: center;
  gap: 28px;
  padding: 56px 0 44px;
  font-family: var(--f-sans);
  font-weight: 500;
  font-size: clamp(56px, 14vw, 200px);
  letter-spacing: -0.05em;
  line-height: 0.9;
  color: var(--text-hi);
  opacity: 0.08;
  user-select: none;
  white-space: nowrap;
  overflow: hidden;
}

/* =================================================================
   Reveal-on-scroll
   ================================================================= */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out); }
.reveal.is-in { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001s !important;
    transition-duration: 0.001s !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* =================================================================
   Mobile menu button + drawer
   ================================================================= */
.menu-btn {
  display: none;
  width: 38px; height: 38px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  color: var(--text);
  gap: 4px;
  flex-direction: column;
  transition: color 0.2s, border-color 0.2s;
}
.menu-btn__bar {
  width: 14px; height: 1.5px;
  background: currentColor;
  border-radius: 2px;
  transition: transform 0.3s var(--ease-out), opacity 0.2s;
}
.menu-btn[aria-expanded="true"] .menu-btn__bar:nth-child(1) {
  transform: translateY(2.75px) rotate(45deg);
}
.menu-btn[aria-expanded="true"] .menu-btn__bar:nth-child(2) {
  transform: translateY(-2.75px) rotate(-45deg);
}
.menu-btn:hover { color: var(--accent); border-color: var(--accent); }

.mobile-menu {
  position: fixed;
  inset: 64px 0 0 0;
  z-index: 49;
  background: var(--bg);
  border-top: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-12px);
  transition: opacity 0.3s var(--ease), transform 0.4s var(--ease-out);
}
.mobile-menu.is-open {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.mobile-menu__inner {
  padding: 28px 22px 40px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  flex: 1;
}
.mobile-menu__label { letter-spacing: 0.12em; }
.mobile-menu__links {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line);
  margin-top: 4px;
}
.mobile-menu__links a {
  display: grid;
  grid-template-columns: 32px 1fr auto;
  align-items: center;
  gap: 14px;
  padding: 22px 4px;
  border-bottom: 1px solid var(--line);
  color: var(--text-hi);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.015em;
  transition: color 0.2s, padding 0.3s var(--ease-out);
}
.mobile-menu__links a .mono { font-size: 11px; color: var(--text-dim); }
.mobile-menu__links a:hover,
.mobile-menu__links a:active {
  color: var(--accent);
  padding-left: 12px;
}
.mobile-menu__links a:hover .mono,
.mobile-menu__links a:active .mono { color: var(--accent); }
.mobile-menu__arrow {
  color: var(--text-dim);
  font-family: var(--f-mono);
  transition: transform 0.3s var(--ease-out), color 0.2s;
}
.mobile-menu__links a:hover .mobile-menu__arrow {
  color: var(--accent);
  transform: translateX(4px);
}
.mobile-menu__foot {
  margin-top: auto;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

body.menu-open { overflow: hidden; }

/* =================================================================
   Responsive
   ================================================================= */

/* Tablet / small laptop ────────────────────────────────────────── */
@media (max-width: 1080px) {
  .container { padding: 0 28px; }

  .nav__inner { gap: 20px; padding: 14px 28px; }
  .nav__links { gap: 18px; }
  .nav__links a { font-size: 13px; }
  .status__text { font-size: 10px; }

  /* Hero stacks. Lead first, panel below. */
  .hero { padding-top: 40px; }
  .hero__grid {
    grid-template-columns: 1fr;
    gap: 40px;
    align-items: start;
    padding-bottom: 64px;
  }
  .hero__panel {
    width: 100%;
    max-width: 100%;
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 24px;
    align-items: start;
  }
  .hero__portrait image-slot {
    width: 100%;
    height: auto;
    aspect-ratio: 1 / 1;
    max-width: 220px;
  }
  .hero__portrait__cap { text-align: left; }
  .panel__caption { grid-column: 1 / -1; }

  .display { font-size: clamp(48px, 9vw, 88px); }
  .lede { font-size: 17px; }

  .about {
    grid-template-columns: 1fr;
    gap: 56px;
  }
  .about__facts { max-width: 720px; }

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

  .entry { grid-template-columns: 24px 160px 1fr; gap: 24px; }

  .logos { grid-template-columns: 1fr; gap: 16px; align-items: stretch; }
  .logos__row { grid-template-columns: repeat(3, 1fr); }
  .logos__cell:nth-child(3n) { border-right: 0; }
  .logos__cell:nth-child(-n+3) { border-bottom: 1px solid var(--line); }

  .section { padding: 110px 0 80px; }
  .section__head { margin-bottom: 48px; }

  .project__row {
    grid-template-columns: 50px 1.6fr 1fr 50px 40px;
    gap: 20px;
    padding: 24px 8px;
  }
  .project__title h3 { font-size: 20px; }

  .foot__signature { gap: 20px; padding: 44px 0 36px; }
}

/* Hamburger appears, links hide ────────────────────────────────── */
@media (max-width: 900px) {
  .nav__links { display: none; }
  .menu-btn { display: inline-flex; }
  .nav__inner { grid-template-columns: 1fr auto; }
}

/* Phone (≤640px) ────────────────────────────────────────────────── */
@media (max-width: 640px) {
  :root { font-size: 15px; }

  .container { padding: 0 20px; }
  .nav__inner { padding: 12px 20px; gap: 10px; }
  .nav__tools { gap: 8px; }
  .status { display: none; }
  .theme { width: 36px; height: 36px; }
  .menu-btn { width: 36px; height: 36px; }

  .mobile-menu { inset: 60px 0 0 0; }
  .mobile-menu__links a { font-size: 19px; padding: 18px 4px; }

  /* Hero — phone */
  .hero { padding-top: 28px; }
  .hero__grid { gap: 32px; padding-bottom: 56px; }
  .kicker { font-size: 11px; padding-bottom: 14px; }
  .kicker .mono { font-size: 10px; }

  .display {
    font-size: clamp(40px, 13vw, 62px);
    letter-spacing: -0.03em;
    margin: 24px 0 24px;
  }
  .lede { font-size: 16px; line-height: 1.55; margin-bottom: 24px; }
  .hero__cta { gap: 10px; }
  .btn { padding: 12px 18px; font-size: 13.5px; }
  .btn--large { padding: 16px 22px; font-size: 15px; }

  .hero__panel {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .hero__portrait {
    flex-direction: row;
    align-items: center;
    gap: 16px;
  }
  .hero__portrait image-slot {
    max-width: 120px;
    width: 120px;
    height: 120px;
    flex-shrink: 0;
  }
  .hero__portrait__cap { flex: 1; }
  .panel__head { padding: 10px 14px; }
  .panel__head .mono { font-size: 10.5px; }
  .panel__row {
    grid-template-columns: 70px 1fr;
    gap: 10px;
    padding: 11px 14px;
    font-size: 13.5px;
  }

  .marquee { padding: 14px 0; }
  .marquee__track { font-size: 11px; gap: 24px; }

  /* Sections */
  .section { padding: 80px 0 56px; }
  .section--surface { padding: 88px 0 64px; }
  .section--contact { padding: 100px 0 80px; }
  .section__head { margin-bottom: 36px; padding-bottom: 18px; }
  .section__title { font-size: clamp(28px, 7vw, 40px); }
  .section__sub { font-size: 14.5px; }

  .about__body .prose:first-child { font-size: 18.5px; line-height: 1.5; }
  .prose { font-size: 15.5px; line-height: 1.65; }
  .about__facts { grid-template-columns: 1fr 1fr; }
  .fact { padding: 18px 16px 16px; min-height: 130px; gap: 6px; }
  .fact__value { font-size: 38px; }
  .fact__desc { font-size: 12.5px; }

  /* Stack matrix — single column on phones */
  .matrix { grid-template-columns: 1fr; }
  .matrix--compact { grid-template-columns: 1fr; }
  .matrix--compact .cell { min-height: 0; }
  .cell { padding: 20px 18px 22px; }
  .cell__head h3 { font-size: 16px; }

  /* Timeline — single-column, rail tight */
  .entry {
    grid-template-columns: 14px 1fr;
    gap: 14px;
    padding: 24px 0;
  }
  .entry__rail::before { left: 3px; width: 8px; height: 8px; }
  .entry__when {
    grid-column: 2;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 8px;
    padding-top: 0;
    margin-bottom: 6px;
  }
  .entry__body { grid-column: 2; }
  .entry__head { gap: 8px 12px; margin-bottom: 6px; }
  .entry__role { font-size: 19px; }
  .entry__co {
    font-size: 12px;
    padding: 4px 9px 4px 5px;
    max-width: 100%;
  }
  .entry__co span:not(.entry__co__mono) {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .entry__line { font-size: 14.5px; line-height: 1.55; }

  /* Logos strip — 2 cols on phone */
  .logos { gap: 12px; }
  .logos__label { padding-left: 2px; }
  .logos__row { grid-template-columns: repeat(2, 1fr); }
  .logos__cell {
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    padding: 18px 12px;
    min-height: 64px;
  }
  .logos__cell:nth-child(2n) { border-right: 0; }
  .logos__cell:nth-last-child(-n+1):nth-child(odd) {
    grid-column: 1 / -1;
    border-right: 0;
  }
  .logos__cell:nth-last-child(-n+2) { border-bottom: 0; }

  /* Projects / case studies — stacked card layout */
  .project__row {
    grid-template-columns: 1fr auto;
    grid-template-areas:
      "index arrow"
      "title title"
      "tags  year";
    gap: 14px 12px;
    padding: 22px 0;
    align-items: start;
  }
  .project__row:hover { padding: 22px 12px; }
  .project__index { grid-area: index; font-size: 11px; }
  .project__title  { grid-area: title; }
  .project__title h3 { font-size: 18px; margin-bottom: 4px; }
  .project__title p  { font-size: 13.5px; line-height: 1.5; max-width: none; }
  .project__tags {
    grid-area: tags;
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
  }
  .tag { font-size: 9.5px; padding: 4px 7px; }
  .project__year { grid-area: year; text-align: right; font-size: 11px; align-self: end; }
  .project__arrow {
    grid-area: arrow;
    width: 34px; height: 34px;
    align-self: start;
  }
  .project__arrow svg { width: 18px; height: 18px; }

  /* Contact */
  .contact__title { font-size: clamp(32px, 9vw, 52px); }
  .contact__sub { font-size: 15.5px; }
  .socials a { padding: 16px 18px; font-size: 15px; gap: 12px; }

  /* Footer */
  .foot__grid {
    grid-template-columns: 1fr;
    gap: 10px;
    text-align: center;
    padding-bottom: 22px;
  }
  .foot__col--right { text-align: center; }
  .foot__signature {
    gap: 14px;
    padding: 36px 0 32px;
    font-size: clamp(48px, 16vw, 96px);
  }
}

/* Very small phones ─────────────────────────────────────────────── */
@media (max-width: 380px) {
  .container { padding: 0 16px; }
  .nav__inner { padding: 10px 16px; }
  .brand__name { font-size: 14px; }
  .display { font-size: clamp(36px, 13vw, 52px); }
  .hero__portrait image-slot { max-width: 100px; width: 100px; height: 100px; }
  .panel__row { grid-template-columns: 64px 1fr; }
  .about__facts { grid-template-columns: 1fr; }
  .hero__cta { flex-direction: column; align-items: stretch; }
  .hero__cta .btn { justify-content: center; }
}

/* Safe-area insets for notched devices ─────────────────────────── */
@supports (padding: max(0px)) {
  .nav__inner {
    padding-left: max(20px, env(safe-area-inset-left));
    padding-right: max(20px, env(safe-area-inset-right));
  }
  .container {
    padding-left: max(20px, env(safe-area-inset-left));
    padding-right: max(20px, env(safe-area-inset-right));
  }
}