/* ============================================================
   Rushabh Bhatt · Portfolio
   Design system: confident editorial minimal.
   Two typefaces (Fraunces display serif + Inter), one accent,
   warm off-white ground, restrained motion.
   ============================================================ */

:root {
  --bg: #faf9f6;
  --bg-alt: #f1efe8;
  --surface: #ffffff;
  --ink: #17171a;
  --ink-soft: #55534c;
  --ink-faint: #8a8779;
  --line: #e4e1d6;
  --line-strong: #d3cfbf;
  --accent: #3a3aff;
  --accent-ink: #ffffff;
  --accent-wash: rgba(58, 58, 255, 0.08);
  --accent-wash-strong: rgba(58, 58, 255, 0.14);
  --success: #1f7a56;
  --success-wash: #e7f3ec;

  --font-display: 'Fraunces', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --container: 1160px;
  --container-narrow: 760px;
  --gutter: clamp(20px, 5vw, 56px);

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast: 180ms;
  --dur: 420ms;
  --dur-slow: 700ms;

  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --radius-pill: 999px;
}

@media (prefers-color-scheme: dark) {
  /* Intentionally light-only design: keep the warm paper ground in both
     OS themes rather than inverting to a mismatched dark palette. */
}

/* Manual "lamp mode" — same file, desk-lamp-at-night lighting.
   Toggled explicitly via the nav switch, independent of OS theme. */
html[data-theme="dark"] {
  --bg: #16140f;
  --bg-alt: #1e1b14;
  --surface: #221f18;
  --ink: #f3efe6;
  --ink-soft: #c9c3b3;
  --ink-faint: #8f8a78;
  --line: #3a352a;
  --line-strong: #4a4536;
  --accent: #7c86ff;
  --accent-ink: #14121a;
  --accent-wash: rgba(124, 134, 255, 0.14);
  --accent-wash-strong: rgba(124, 134, 255, 0.24);
}
html[data-theme="dark"] .site-nav { background: rgba(22, 20, 15, 0.86); }

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
a { color: inherit; }

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

.container { max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }
.container-narrow { max-width: var(--container-narrow); margin: 0 auto; padding: 0 var(--gutter); }

.skip-link {
  position: absolute; top: -100px; left: 12px;
  background: var(--ink); color: var(--bg); padding: 10px 16px;
  border-radius: var(--radius-sm); z-index: 200; text-decoration: none;
  transition: top var(--dur-fast) var(--ease);
}
.skip-link:focus { top: 12px; }

/* ---------- eyebrow / kicker ---------- */
.kicker {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 600; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--accent);
}
.kicker::before {
  content: ""; width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent); flex-shrink: 0;
}
.kicker.neutral { color: var(--ink-faint); }
.kicker.neutral::before { background: var(--ink-faint); }

/* ---------- headings ---------- */
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 500; margin: 0; letter-spacing: -0.01em; }
p { margin: 0; }

.display-1 { font-size: clamp(40px, 6.4vw, 88px); line-height: 1.02; }
.display-2 { font-size: clamp(30px, 4vw, 48px); line-height: 1.08; }
.display-3 { font-size: clamp(24px, 2.6vw, 32px); line-height: 1.2; }

.lede { font-size: clamp(16px, 1.4vw, 19px); color: var(--ink-soft); line-height: 1.6; }

/* ---------- nav ---------- */
.site-nav {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px var(--gutter);
  background: rgba(250, 249, 246, 0.86);
  backdrop-filter: blur(10px) saturate(1.1);
  border-bottom: 1px solid var(--line);
}
.nav-brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.nav-avatar {
  width: 36px; height: 36px; border-radius: 50%; overflow: hidden;
  border: 1px solid var(--line-strong); flex-shrink: 0; background: var(--bg-alt);
}
.nav-avatar img { width: 100%; height: 100%; object-fit: cover; object-position: center 22%; }
.nav-name { font-size: 14px; font-weight: 600; letter-spacing: -0.01em; color: var(--ink); }
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-link {
  position: relative;
  font-size: 14px; font-weight: 500; color: var(--ink-soft); text-decoration: none;
  padding: 8px 14px; border-radius: var(--radius-pill);
  transition: color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}
.nav-link:hover, .nav-link.is-active { color: var(--ink); background: var(--bg-alt); }
.nav-link::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 3px; height: 2px;
  background: var(--accent); border-radius: 2px; transform: scaleX(0); transform-origin: left;
  box-shadow: 0 0 0 rgba(0, 0, 0, 0); pointer-events: none;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.nav-link:hover::after, .nav-link.is-active::after {
  transform: scaleX(1);
  box-shadow: 0 0 10px 1px var(--accent-wash-strong), 0 0 3px var(--accent);
}
.nav-resume {
  font-size: 13px; font-weight: 600; letter-spacing: 0.02em;
  color: var(--accent-ink); background: var(--ink);
  padding: 10px 20px; border-radius: var(--radius-pill); text-decoration: none;
  margin-left: 8px; white-space: nowrap;
  transition: transform var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}
.nav-resume:hover { background: var(--accent); transform: translateY(-1px); }
.nav-toggle {
  display: none; background: none; border: 1px solid var(--line-strong);
  border-radius: var(--radius-pill); width: 40px; height: 40px;
  align-items: center; justify-content: center; cursor: pointer;
}
.nav-toggle svg { width: 18px; height: 18px; }

@media (max-width: 780px) {
  .nav-links { position: fixed; inset: 64px 16px auto 16px; flex-direction: column;
    align-items: stretch; background: var(--surface); border: 1px solid var(--line);
    border-radius: var(--radius-md); padding: 10px; box-shadow: 0 20px 44px rgba(23,23,26,0.12);
    transform: translateY(-8px); opacity: 0; pointer-events: none;
    transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
  }
  .nav-links.is-open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-link { text-align: left; }
  .nav-resume { margin: 6px 4px 4px; text-align: center; }
  .nav-toggle { display: flex; }
}

/* ---------- buttons ---------- */
.btn {
  position: relative;
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-body); font-size: 14px; font-weight: 600;
  padding: 13px 26px; border-radius: var(--radius-pill);
  text-decoration: none; cursor: pointer; border: 1px solid transparent;
  transition: transform var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease),
    color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.btn-primary { background: var(--ink); color: var(--bg); }
.btn-primary:hover { background: var(--accent); transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn-ghost:hover { border-color: var(--ink); transform: translateY(-2px); }
.btn-arrow { transition: transform var(--dur-fast) var(--ease); }
.btn:hover .btn-arrow { transform: translateX(3px); }

/* ---------- link with underline draw ---------- */
.link-underline {
  position: relative; text-decoration: none; padding-bottom: 2px;
  background-image: linear-gradient(var(--ink), var(--ink));
  background-position: 0 100%; background-repeat: no-repeat; background-size: 0% 1px;
  transition: background-size var(--dur) var(--ease), color var(--dur-fast) var(--ease);
}
.link-underline:hover { background-size: 100% 1px; color: var(--accent);
  background-image: linear-gradient(var(--accent), var(--accent)); }

/* ---------- reveal-on-scroll ---------- */
.reveal {
  opacity: 0; transform: translateY(18px);
  transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.reveal-group .reveal:nth-child(1) { transition-delay: 0ms; }
.reveal-group .reveal:nth-child(2) { transition-delay: 80ms; }
.reveal-group .reveal:nth-child(3) { transition-delay: 160ms; }
.reveal-group .reveal:nth-child(4) { transition-delay: 240ms; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  padding: clamp(56px, 9vw, 108px) 0 clamp(48px, 7vw, 84px);
}
.hero-grid {
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(24px, 4vw, 64px);
  align-items: center;
}
.hero-copy { display: flex; flex-direction: column; align-items: flex-start; gap: 16px; }
.hero-name { margin-top: 6px; }
.hero-role {
  font-family: var(--font-display); font-style: italic; font-size: clamp(20px, 2vw, 26px);
  color: var(--accent);
}
.hero-tagline { max-width: 460px; }
.type-caret::after {
  content: "|"; display: inline-block; margin-left: 2px; color: var(--accent);
  animation: caret-blink 1s step-end infinite;
}
@keyframes caret-blink { 50% { opacity: 0; } }
.hero-actions { display: flex; gap: 14px; margin-top: 10px; flex-wrap: wrap; }
.hero-visual { position: relative; }
.hero-visual iframe {
  width: 100%; aspect-ratio: 1560 / 820; border: none; background: transparent;
}
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { order: -1; }
}

/* ============================================================
   SECTIONS
   ============================================================ */
.section { padding: clamp(56px, 8vw, 96px) 0; }
.section-alt { background: var(--bg-alt); }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: clamp(28px, 4vw, 48px); flex-wrap: wrap; }
.section-head .kicker { margin-bottom: 12px; display: block; }

/* ---------- about teaser (home) ---------- */
.about-teaser { display: grid; grid-template-columns: 200px 1fr; gap: clamp(24px, 4vw, 48px); align-items: center; }
.about-teaser-photo { width: 200px; aspect-ratio: 383 / 680; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--line-strong); flex-shrink: 0; }
.about-teaser-photo img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
@media (max-width: 720px) {
  .about-teaser { grid-template-columns: 1fr; text-align: left; }
  .about-teaser-photo { width: 140px; }
}

/* ============================================================
   PROJECT LIST
   ============================================================ */
.project-list { display: flex; flex-direction: column; }
.project-row {
  position: relative;
  display: block; text-decoration: none; color: inherit;
  padding: clamp(28px, 4vw, 40px) 0; border-top: 1px solid var(--line);
  transition: background var(--dur) var(--ease);
}
.project-list .project-row:last-child { border-bottom: 1px solid var(--line); }
.project-row-inner { display: grid; grid-template-columns: 90px 1fr 380px auto; gap: 24px; align-items: center; }
.project-index { grid-column: 1; font-family: var(--font-body); font-size: 13px; color: var(--ink-faint); font-weight: 600; letter-spacing: 0.04em; }
.project-title-wrap { grid-column: 2; display: flex; flex-direction: column; gap: 6px; }
.project-title { font-size: clamp(22px, 2.4vw, 30px); transition: color var(--dur-fast) var(--ease); }
.project-hook { color: var(--ink-soft); font-size: 15px; line-height: 1.55; max-width: 480px; }
.project-meta-reveal {
  display: flex; flex-direction: column; gap: 6px;
  max-height: 0; opacity: 0; overflow: hidden; margin-top: 0;
  transition: max-height 0.4s ease, opacity 0.4s ease, margin-top 0.4s ease;
}
.project-meta-reveal > div { display: flex; gap: 10px; align-items: baseline; }
.project-meta-reveal span:first-child { font-size: 10px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-faint); min-width: 66px; flex-shrink: 0; }
.project-meta-reveal span:last-child { font-size: 12.5px; color: var(--ink-soft); }
.project-row:hover .project-meta-reveal { max-height: 100px; opacity: 1; margin-top: 10px; }
.project-visual {
  grid-column: 3;
  width: 380px; aspect-ratio: 4 / 5; flex-shrink: 0;
  position: relative; /* permanent, stable anchor — never toggled, so the grid never reflows */
}
.project-visual-frame {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%; overflow: hidden; border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  z-index: 1;
  transition: width var(--dur) var(--ease), height var(--dur) var(--ease), top var(--dur) var(--ease), left var(--dur) var(--ease), z-index 0s var(--dur);
}
.project-visual-frame iframe { border: none; background: transparent; width: 100%; height: 100%; pointer-events: none; }
.project-visual-frame.is-enlarged { z-index: 5; transition: width var(--dur) var(--ease), height var(--dur) var(--ease), top var(--dur) var(--ease), left var(--dur) var(--ease), z-index 0s; }
.project-arrow {
  grid-column: 4;
  width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--line-strong);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.project-arrow svg { width: 16px; height: 16px; stroke: var(--ink); transition: stroke var(--dur-fast) var(--ease); }
.project-row:hover { background: var(--bg-alt); }
.project-row:hover .project-title { color: var(--accent); }
.project-row:hover .project-arrow { background: var(--ink); transform: rotate(45deg); border-color: var(--ink); }
.project-row:hover .project-arrow svg { stroke: var(--bg); }
.project-row.is-soon .project-arrow { opacity: 0.5; }
.project-row.is-soon:hover .project-arrow { transform: none; background: transparent; border-color: var(--line-strong); }
.project-row.is-soon:hover .project-arrow svg { stroke: var(--ink); }

.work-more-note { text-align: center; font-style: italic; opacity: 0.5; font-size: 14px; margin-top: 32px; }

@media (max-width: 900px) {
  .project-row-inner { grid-template-columns: 1fr auto; }
  .project-index { display: none; }
  .project-visual { display: none; }
}

/* ============================================================
   STATS
   ============================================================ */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; }
.stat-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-md);
  padding: 24px 26px;
}
.stat-value { font-family: var(--font-display); font-size: clamp(26px, 3vw, 38px); font-variant-numeric: tabular-nums; }
.stat-label { font-size: 12px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 8px; }
.stat-sentence { font-size: 13px; color: var(--ink-soft); line-height: 1.5; margin-top: 8px; }

/* ============================================================
   TIMELINE (about page)
   ============================================================ */
.timeline { position: relative; padding-left: clamp(28px, 4vw, 44px); }
.timeline::before { content: ""; position: absolute; left: 5px; top: 6px; bottom: 6px; width: 2px; background: var(--line-strong); }
.timeline-item { position: relative; padding-bottom: clamp(36px, 5vw, 52px); }
.timeline-dot { position: absolute; left: clamp(-28px, -4vw, -34px); top: 4px; width: 13px; height: 13px; border-radius: 50%; border: 3px solid var(--bg); box-shadow: 0 0 0 1px var(--line-strong); }
.timeline-year { font-family: var(--font-display); font-size: clamp(22px, 2.4vw, 28px); }
.timeline-tag { font-size: 11px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-faint); }
.timeline-card { border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--surface); padding: clamp(18px, 3vw, 26px); max-width: 720px; margin-top: 12px; }
.timeline-card-title { font-size: clamp(17px, 1.8vw, 20px); margin-bottom: 6px; }
.timeline-card-sub { font-size: 12px; color: var(--ink-faint); font-weight: 600; letter-spacing: 0.03em; margin-bottom: 10px; }
.timeline-card-desc { font-size: 14px; color: var(--ink-soft); line-height: 1.6; }
.timeline-connector { font-family: var(--font-display); font-style: italic; font-size: 15px; color: var(--ink-faint); max-width: 640px; padding: 16px 4px 0; line-height: 1.5; }

/* ============================================================
   SKILLS
   ============================================================ */
.skill-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.skill-card { border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--surface); padding: 22px; }
.skill-card-head { display: flex; align-items: center; gap: 9px; margin-bottom: 14px; }
.skill-card-head svg { width: 17px; height: 17px; stroke: var(--accent); flex-shrink: 0; }
.skill-card-head span { font-size: 12px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-soft); }
.skill-pills { display: flex; flex-wrap: wrap; gap: 8px; }
.skill-pill { font-size: 13px; color: var(--ink); background: var(--bg-alt); border: 1px solid var(--line); border-radius: var(--radius-pill); padding: 6px 13px; }
@media (max-width: 720px) { .skill-grid { grid-template-columns: 1fr; } }

/* ============================================================
   CASE STUDY
   ============================================================ */
.case-header { padding: clamp(48px, 7vw, 80px) 0 clamp(28px, 4vw, 40px); }
.case-back {
  display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 600;
  color: var(--ink-faint); text-decoration: none; margin-bottom: 22px;
  transition: color var(--dur-fast) var(--ease);
}
.case-back:hover { color: var(--accent); }
.case-title { margin-bottom: 8px; }
.case-meta-row { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; color: var(--ink-faint); font-size: 13px; font-weight: 500; }
.case-status-badge {
  font-size: 11px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  background: var(--accent-wash); color: var(--accent); padding: 4px 12px; border-radius: var(--radius-pill);
}

.case-section { padding: 0 0 clamp(44px, 6vw, 64px); }
.case-section-narrow { max-width: var(--container-narrow); }
.case-number-head { display: flex; align-items: baseline; gap: 12px; margin-bottom: 20px; }
.case-number-head span { font-size: 12px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); white-space: nowrap; }
.case-number-head .rule { flex: 1; height: 1px; background: var(--line); }
.case-lede { font-family: var(--font-display); font-size: clamp(20px, 2.2vw, 25px); line-height: 1.42; max-width: 680px; }
.case-body { font-size: 15px; color: var(--ink-soft); line-height: 1.65; max-width: 680px; }
.case-meta-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--surface); padding: 24px; }
.case-meta-grid div div:first-child { font-size: 11px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 4px; }
.case-meta-grid div div:last-child { font-size: 14px; color: var(--ink); }
@media (max-width: 720px) { .case-meta-grid { grid-template-columns: 1fr 1fr; } }

.decision-card { border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--surface); padding: clamp(20px, 3vw, 30px); }
.decision-card + .decision-card { margin-top: 16px; }
.decision-label { font-size: 11px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 12px; }
.decision-block { margin-bottom: 14px; }
.decision-block:last-of-type { margin-bottom: 0; }
.decision-block-label { font-size: 12px; font-weight: 700; letter-spacing: 0.06em; margin-bottom: 4px; }
.decision-block-label.problem { color: #b5501f; }
.decision-block-label.decision { color: var(--success); }
.decision-block-text { font-size: 14px; color: var(--ink); line-height: 1.55; }

.disclosure { margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--line); }
.disclosure-toggle {
  display: flex; align-items: center; gap: 8px; background: none; border: none; padding: 0;
  cursor: pointer; font-family: var(--font-body); font-size: 13px; font-weight: 700;
  letter-spacing: 0.03em; color: var(--accent);
}
.disclosure-toggle svg { width: 12px; height: 12px; transition: transform var(--dur-fast) var(--ease); }
.disclosure-toggle[aria-expanded="true"] svg { transform: rotate(90deg); }
.disclosure-body { font-size: 14px; color: var(--ink-soft); line-height: 1.6; margin-top: 12px; display: none; }
.disclosure-body.is-open { display: block; }

.flow-steps { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.flow-step { font-size: 14px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-pill); padding: 9px 18px; }
.flow-arrow { color: var(--ink-faint); }

.prototype-embed { display: flex; flex-direction: column; align-items: center; gap: 20px; }
.prototype-frame { width: min(462px, 94vw); height: 970px; }
.prototype-frame iframe { width: 100%; height: 100%; border: none; }
.prototype-caption { font-size: 13px; color: var(--ink-faint); text-align: center; max-width: 380px; line-height: 1.5; }

.case-cta {
  display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap;
  border-top: 1px solid var(--line); padding-top: clamp(32px, 5vw, 48px); margin-top: clamp(8px, 2vw, 16px);
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; padding: 28px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); margin: 32px 0; }
.contact-item div:first-child { font-size: 11px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 6px; }
.contact-item a, .contact-item span { font-size: 14px; text-decoration: none; }
@media (max-width: 720px) { .contact-grid { grid-template-columns: 1fr 1fr; } }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer { padding: 28px var(--gutter) 40px; border-top: 1px solid var(--line); }
.footer-row { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; max-width: var(--container); margin: 0 auto; }
.footer-copy { font-size: 13px; color: var(--ink-faint); }
.footer-links { display: flex; gap: 18px; }
.footer-links a { font-size: 13px; color: var(--ink-faint); text-decoration: none; transition: color var(--dur-fast) var(--ease); }
.footer-links a:hover { color: var(--accent); }

/* ============================================================
   MICRO-INTERACTIONS
   ============================================================ */

/* ---------- custom cursor ---------- */
@media (pointer: fine) {
  body.has-custom-cursor, body.has-custom-cursor a, body.has-custom-cursor button {
    cursor: none;
  }
}
.cursor-dot {
  position: fixed; top: 0; left: 0; width: 26px; height: 26px;
  border: 1.5px solid var(--accent); border-radius: 50%;
  pointer-events: none; z-index: 999; opacity: 0;
  transition: opacity 200ms ease, border-color var(--dur-fast) var(--ease);
}
.cursor-dot::after {
  content: ""; position: absolute; width: 8px; height: 1.5px; background: var(--accent);
  bottom: 1px; right: -3px; transform: rotate(45deg); transform-origin: right center;
}
.cursor-dot.is-visible { opacity: 1; }

/* ---------- spotlight (hero + project card) ---------- */
.spotlight {
  position: absolute; inset: 0; pointer-events: none; z-index: 0; border-radius: inherit;
  opacity: 0; transition: opacity var(--dur) var(--ease);
}
.hero > .spotlight {
  opacity: 1;
  background: radial-gradient(380px circle at var(--sx, 50%) var(--sy, 30%), var(--accent-wash-strong), transparent 70%);
}
.project-row > .spotlight {
  background: radial-gradient(220px circle at var(--sx, 50%) var(--sy, 50%), var(--accent-wash-strong), transparent 70%);
}
.project-row:hover > .spotlight { opacity: 1; }

/* ---------- day / night toggle ---------- */
.theme-toggle {
  width: 44px; height: 22px; border-radius: var(--radius-pill);
  background: var(--line-strong); border: none; padding: 0; cursor: pointer;
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  flex-shrink: 0; z-index: 60;
  transition: background var(--dur) var(--ease);
}
.theme-toggle-knob {
  position: absolute; top: 2px; left: 2px; width: 18px; height: 18px; border-radius: 50%;
  background: var(--surface); display: flex; align-items: center; justify-content: center;
  transition: transform var(--dur) var(--ease); overflow: hidden;
  box-shadow: 0 1px 2px rgba(23, 23, 26, 0.16);
}
html[data-theme="dark"] .theme-toggle { background: var(--line); }
html[data-theme="dark"] .theme-toggle-knob { transform: translateX(22px); }
.theme-toggle-knob svg {
  position: absolute; width: 13px; height: 13px;
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.theme-toggle .icon-sun { opacity: 1; transform: rotate(0deg); color: #b5842a; }
.theme-toggle .icon-moon { opacity: 0; transform: rotate(-90deg); color: var(--accent); }
html[data-theme="dark"] .theme-toggle .icon-sun { opacity: 0; transform: rotate(90deg); }
html[data-theme="dark"] .theme-toggle .icon-moon { opacity: 1; transform: rotate(0deg); }

/* ---------- CTA stamp ---------- */
.stamp-badge {
  position: absolute; top: 50%; left: calc(100% + 14px); margin-top: -13px;
  font-family: var(--font-body); font-size: 11px; font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--accent); background: var(--bg);
  border: 1.5px solid var(--accent); border-radius: 6px; padding: 5px 10px;
  white-space: nowrap; pointer-events: none; z-index: 5;
  animation: stamp-pop 0.55s ease-out;
}
@keyframes stamp-pop {
  0%   { opacity: 0; transform: rotate(-8deg) scale(2.6); }
  40%  { opacity: 1; transform: rotate(-8deg) scale(0.85); }
  70%  { transform: rotate(-8deg) scale(1.08); }
  100% { opacity: 1; transform: rotate(-8deg) scale(1); }
}
@media (max-width: 640px) {
  .stamp-badge { left: auto; right: 0; top: calc(100% + 10px); margin-top: 0; }
}

/* ---------- paper grain + parallax ---------- */
.grain-overlay {
  position: fixed; inset: -20px; pointer-events: none; z-index: 998;
  opacity: 0.05; mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
html[data-theme="dark"] .grain-overlay { opacity: 0.06; mix-blend-mode: overlay; }

@media (prefers-reduced-motion: reduce) {
  .cursor-dot, .grain-overlay { display: none; }
  body.has-custom-cursor, body.has-custom-cursor a, body.has-custom-cursor button { cursor: auto; }
}