/* =========================================================
   TOKENS
   ========================================================= */
:root {
  /* type */
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* motion */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);

  /* layout */
  --maxw: 1180px;
  --gutter: clamp(20px, 5vw, 64px);
}

/* ---- dark: "night sky" (default) ---- */
[data-theme="dark"] {
  --bg: #060814;
  --bg-elev: #0c0f22;
  --surface: #0e1230;
  --surface-2: #131735;
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);

  --text: #f3f2fb;
  --text-dim: #a9abc9;
  --text-faint: #6c6f96;

  --violet: #7b6bff;
  --violet-soft: #a89bff;
  --coral: #ff7a5c;
  --coral-soft: #ffab93;
  --cyan: #5eead4;
  --gold: #ffd166;

  --star-color: 255, 255, 255;
  --nebula-a: rgba(123, 107, 255, 0.28);
  --nebula-b: rgba(255, 122, 92, 0.14);

  --shadow: 0 30px 80px -30px rgba(0,0,0,0.65);
}

/* ---- light: "daylight nebula" ---- */
[data-theme="light"] {
  --bg: #f4f3fb;
  --bg-elev: #ffffff;
  --surface: #ffffff;
  --surface-2: #ececfb;
  --border: rgba(20, 20, 45, 0.10);
  --border-strong: rgba(20, 20, 45, 0.18);

  --text: #14152b;
  --text-dim: #4d4f72;
  --text-faint: #8688aa;

  --violet: #5b48f0;
  --violet-soft: #7a68f5;
  --coral: #ec5a3c;
  --coral-soft: #ff8a68;
  --cyan: #0ea394;
  --gold: #b8860b;

  --star-color: 60, 50, 120;
  --nebula-a: rgba(91, 72, 240, 0.14);
  --nebula-b: rgba(236, 90, 60, 0.10);

  --shadow: 0 30px 80px -30px rgba(60, 50, 120, 0.20);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background .5s var(--ease), color .5s var(--ease);
}

#bg-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 0%, var(--nebula-a), transparent 60%),
    radial-gradient(ellipse 60% 50% at 85% 20%, var(--nebula-b), transparent 60%),
    var(--bg);
  transition: background .6s var(--ease);
}

#grain {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: .035;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

main, header, footer { position: relative; z-index: 2; }

/* =========================================================
   PRELOADER
   ========================================================= */
body.preload-lock { overflow: hidden; }

#preloader {
  position: fixed;
  inset: 0;
  z-index: 500;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  background: var(--bg);
  transition: opacity .6s var(--ease), visibility .6s var(--ease);
}
#preloader.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.preloader__orbit { width: 76px; height: 76px; }
.preloader__orbit svg { width: 100%; height: 100%; display: block; }
.preloader__ring {
  fill: none;
  stroke: var(--border-strong);
  stroke-width: 1;
}
.preloader__comet {
  transform-origin: 50px 50px;
  animation: preloaderSpin 1.6s linear infinite;
}
@keyframes preloaderSpin { to { transform: rotate(360deg); } }

.preloader__pct {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
  margin: 0;
}

.preloader__bar-track {
  width: 190px;
  height: 2px;
  border-radius: 2px;
  background: var(--border-strong);
  overflow: hidden;
}
.preloader__bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(120deg, var(--coral), var(--violet));
  transition: width .1s linear;
}

.preloader__status {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--text-faint);
  letter-spacing: 0.04em;
  min-height: 14px;
  margin: 0;
}

@media (prefers-reduced-motion: reduce) {
  .preloader__comet { animation: none; }
}

a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; margin: 0; padding: 0; }

h1, h2, h3 { font-family: var(--font-display); margin: 0; line-height: 1.05; }

::selection { background: var(--violet); color: #fff; }

/* focus visibility */
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--coral);
  outline-offset: 3px;
  border-radius: 4px;
}

/* =========================================================
   NAV
   ========================================================= */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px var(--gutter);
  backdrop-filter: blur(10px);
  background: linear-gradient(to bottom, var(--bg) 0%, transparent 100%);
}

.nav__mark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  display: flex;
  align-items: baseline;
  gap: 2px;
}
.nav__mark-dot { color: var(--coral); }

.nav__links {
  display: flex;
  gap: 28px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-dim);
}
.nav__links a { display: flex; align-items: center; gap: 6px; transition: color .25s var(--ease); }
.nav__links a:hover { color: var(--text); }
.nav__index { color: var(--text-faint); font-size: 11px; }

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

.theme-toggle {
  display: flex; align-items: center; gap: 10px;
  background: none; border: none; cursor: pointer;
  font-family: var(--font-mono); font-size: 11px; color: var(--text-dim);
  padding: 6px 4px;
}
.theme-toggle__track {
  width: 40px; height: 22px; border-radius: 20px;
  background: var(--surface-2);
  border: 1px solid var(--border-strong);
  position: relative;
  transition: background .3s var(--ease);
}
.theme-toggle__thumb {
  position: absolute; top: 2px; left: 2px;
  width: 16px; height: 16px; border-radius: 50%;
  background: linear-gradient(135deg, var(--coral), var(--violet));
  transition: transform .35s var(--ease);
}
[data-theme="light"] .theme-toggle__thumb { transform: translateX(18px); }

.sound-toggle {
  display: flex; align-items: center; justify-content: center;
  width: 32px; height: 32px;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  background: var(--surface-2);
  color: var(--text-faint);
  cursor: pointer;
  transition: color .25s var(--ease), border-color .25s var(--ease);
}
.sound-toggle:hover { color: var(--text); }
.sound-toggle.is-on { color: var(--coral); border-color: var(--coral-soft); }
.sound-toggle__icon { display: none; }
.sound-toggle__icon--off { display: block; }
.sound-toggle.is-on .sound-toggle__icon--off { display: none; }
.sound-toggle.is-on .sound-toggle__icon--on { display: block; }

.nav__burger { display: none; background: none; border: none; cursor: pointer; flex-direction: column; gap: 4px; padding: 6px; }
.nav__burger span { width: 20px; height: 1.5px; background: var(--text); display: block; }

.nav-mobile {
  position: fixed; inset: 0; z-index: 49;
  background: var(--bg);
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 28px;
  font-family: var(--font-display);
  font-size: 28px;
  transform: translateY(-100%);
  transition: transform .4s var(--ease);
}
.nav-mobile.open { transform: translateY(0); display: flex; }

/* =========================================================
   HERO
   ========================================================= */
.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 140px var(--gutter) 80px;
  max-width: var(--maxw);
  margin: 0 auto;
  position: relative;
}
.hero__content { position: relative; z-index: 3; max-width: 720px; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  margin: 0 0 18px;
}

.hero__title {
  font-size: clamp(48px, 9vw, 108px);
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(120deg, var(--text) 30%, var(--violet-soft) 65%, var(--coral) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  max-width: 16ch;
}

.hero__tagline {
  margin: 28px 0 0;
  max-width: 56ch;
  font-size: clamp(16px, 2vw, 19px);
  line-height: 1.6;
  color: var(--text-dim);
}

.hero__ctas { display: flex; gap: 16px; margin-top: 40px; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 24px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  transition: transform .3s var(--ease), background .3s var(--ease), border-color .3s var(--ease);
  border: 1px solid transparent;
}
.btn--primary {
  background: linear-gradient(120deg, var(--coral), var(--violet));
  color: #fff;
}
.btn--primary:hover { transform: translateY(-2px); }
.btn--ghost {
  border-color: var(--border-strong);
  color: var(--text);
}
.btn--ghost:hover { border-color: var(--coral); transform: translateY(-2px); }

.hero__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 76px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
  max-width: 760px;
}
.hero__stat { display: flex; flex-direction: column; gap: 6px; }
.hero__stat-num { font-family: var(--font-display); font-weight: 600; font-size: 17px; }
.hero__stat-label { font-size: 12.5px; color: var(--text-faint); line-height: 1.4; }

.hero__astronaut {
  position: absolute;
  top: 50%;
  right: clamp(16px, 5vw, 84px);
  transform: translateY(-52%);
  width: min(32vw, 400px);
  height: min(32vw, 400px);
  z-index: 2;
}
#astronaut-canvas { width: 100%; height: 100%; display: block; }

.hero__astronaut-status {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-mono); font-size: 12px; color: var(--text-faint);
  margin: 0; pointer-events: none;
  transition: opacity .4s var(--ease);
}
.hero__astronaut-status.is-loaded { opacity: 0; }

@media (max-width: 1080px) {
  .hero {
    display: flex;
    flex-direction: column;
  }
  .hero__astronaut {
    position: static;
    transform: none;
    width: min(58vw, 300px);
    height: min(58vw, 300px);
    margin: 8px auto 0;
  }
}

@media (max-width: 480px) {
  .hero__astronaut {
    width: min(66vw, 250px);
    height: min(66vw, 250px);
  }
}

.scroll-cue {
  position: absolute;
  bottom: 36px; left: var(--gutter);
  display: flex; align-items: center; gap: 12px;
  background: none; border: none; cursor: pointer;
  color: var(--text-faint);
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em;
}
.scroll-cue__line { width: 1px; height: 30px; background: var(--border-strong); position: relative; overflow: hidden; }
.scroll-cue__line::after {
  content: ''; position: absolute; top: -100%; left: 0; width: 100%; height: 100%;
  background: var(--coral);
  animation: cueDrop 2.2s ease-in-out infinite;
}
@keyframes cueDrop { 0% { top: -100%; } 60%,100% { top: 100%; } }

/* =========================================================
   SECTION SHELL
   ========================================================= */
.section {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 120px var(--gutter);
}
.section__head { margin-bottom: 56px; max-width: 640px; }
.section__eyebrow {
  font-family: var(--font-mono); font-size: 12.5px; color: var(--text-faint);
  letter-spacing: 0.08em; margin: 0 0 14px;
}
.section__title { font-size: clamp(30px, 4vw, 44px); font-weight: 600; }
.section__sub { margin-top: 14px; color: var(--text-dim); font-size: 15.5px; line-height: 1.6; max-width: 56ch; }

/* =========================================================
   ABOUT
   ========================================================= */
.about__lead {
  font-size: clamp(19px, 2.4vw, 26px);
  line-height: 1.5;
  font-family: var(--font-display);
  font-weight: 400;
  color: var(--text);
  max-width: 46ch;
  margin: 0 0 48px;
}
.about__cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.about__card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 26px;
  transition: border-color .3s var(--ease), transform .3s var(--ease);
}
.about__card:hover { border-color: var(--violet-soft); transform: translateY(-4px); }
.about__card h3 { font-size: 16.5px; font-weight: 600; margin-bottom: 10px; }
.about__card p { font-size: 14px; line-height: 1.6; color: var(--text-dim); margin: 0; }

/* =========================================================
   MISSION LOG
   ========================================================= */
.log { max-width: 720px; }
.log__entry { display: flex; gap: 24px; }
.log__marker { display: flex; flex-direction: column; align-items: center; }
.log__dot { width: 10px; height: 10px; border-radius: 50%; background: var(--coral); box-shadow: 0 0 0 4px rgba(255,122,92,0.15); flex-shrink: 0; margin-top: 6px; }
.log__line { flex: 1; width: 1px; background: var(--border-strong); margin-top: 6px; }
.log__entry:last-child .log__line { display: none; }
.log__body { padding-bottom: 44px; }
.log__date { font-family: var(--font-mono); font-size: 12px; color: var(--cyan); margin: 0 0 6px; }
.log__title { font-size: 19px; font-weight: 600; margin-bottom: 8px; }
.log__desc { color: var(--text-dim); font-size: 14.5px; line-height: 1.6; max-width: 56ch; margin: 0; }

/* =========================================================
   SKILLS
   ========================================================= */
.skills__stage {
  position: relative;
  height: 620px;
  border-radius: 24px;
  border: 1px solid var(--border);
  background: radial-gradient(circle at 50% 45%, var(--surface) 0%, var(--bg-elev) 100%);
  overflow: hidden;
}
#skills-canvas { width: 100%; height: 100%; display: block; cursor: grab; }
#skills-canvas:active { cursor: grabbing; }

.skills__legend {
  position: absolute; top: 24px; left: 24px;
  display: flex; flex-direction: column; gap: 10px;
  font-family: var(--font-mono); font-size: 12px; color: var(--text-dim);
  pointer-events: none;
}
.skills__legend-item { display: flex; align-items: center; gap: 8px; }
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.dot--lang { background: var(--coral); }
.dot--frame { background: var(--violet-soft); }
.dot--db { background: var(--cyan); }
.dot--tool { background: var(--gold); }

.skills__readout {
  position: absolute; bottom: 24px; left: 24px; right: 24px;
  background: rgba(0,0,0,0.0);
  font-family: var(--font-mono);
  color: var(--text);
  pointer-events: none;
}
.skills__readout-hint { color: var(--text-faint); font-size: 12.5px; margin: 0; }
.skills__readout-name { font-family: var(--font-display); font-size: 22px; font-weight: 600; margin: 0 0 4px; }
.skills__readout-cat { font-size: 12px; color: var(--cyan); margin: 0; }

/* =========================================================
   PROJECTS
   ========================================================= */
.projects__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.project-card:last-child:nth-child(odd) { grid-column: 1 / -1; }
.project-card {
  cursor: pointer;
}
.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color .3s var(--ease), transform .3s var(--ease);
}
.project-card:hover { border-color: var(--coral-soft); transform: translateY(-4px); }
.project-card__viz { height: 160px; background: var(--surface-2); }
.project-card__viz canvas { width: 100%; height: 100%; display: block; }
.project-card__body { padding: 28px; }
.project-card__body--center { display: flex; flex-direction: column; justify-content: center; height: 100%; }
.project-card__eyebrow { font-family: var(--font-mono); font-size: 11.5px; color: var(--text-faint); margin: 0 0 10px; }
.project-card__title { font-size: 20px; font-weight: 600; margin-bottom: 12px; }
.project-card__desc { font-size: 14px; line-height: 1.6; color: var(--text-dim); margin: 0 0 18px; }
.project-card__tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.project-card__tags li {
  font-family: var(--font-mono); font-size: 11px; color: var(--text-dim);
  border: 1px solid var(--border-strong); border-radius: 999px; padding: 5px 12px;
}
.project-modal__products {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}
.project-modal__products[hidden],
.project-modal__links[hidden] { display: none; }

.project-modal__product {
  padding: 20px 22px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 16px;
}
.project-modal__product-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
  margin: 0 0 6px;
}
.project-modal__product-name {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 10px;
}
.project-modal__product-body {
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--text-dim);
  margin: 0 0 14px;
}
.project-modal__product-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
}
.project-modal__product-tags li {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--text-dim);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  padding: 4px 10px;
}
.project-modal__product-soon {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--text-faint);
}
.project-card__links { display: flex; gap: 18px; }
.link-arrow { display: inline-flex; align-items: center; gap: 6px; font-family: var(--font-mono); font-size: 13px; color: var(--coral); }
.link-arrow:hover { color: var(--violet-soft); }
.project-card--ghost { border-style: dashed; opacity: 0.6; }

body.modal-open { overflow: hidden; }

/* =========================================================
   PROJECT DETAIL MODAL
   ========================================================= */
.project-modal {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 8vh 20px 6vh;
  overflow-y: auto;
  background: rgba(3, 4, 12, 0.6);
  backdrop-filter: blur(6px);
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s var(--ease);
}
.project-modal[hidden] { display: none; }
[data-theme="light"] .project-modal { background: rgba(20, 20, 45, 0.32); }
.project-modal.is-open { opacity: 1; pointer-events: auto; }

.project-modal__box {
  position: relative;
  width: min(680px, 100%);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 24px;
  padding: clamp(28px, 5vw, 48px);
  box-shadow: var(--shadow);
  transform: translateY(16px) scale(0.98);
  transition: transform .3s var(--ease);
}
.project-modal.is-open .project-modal__box { transform: translateY(0) scale(1); }

.project-modal__close {
  position: absolute;
  top: 20px; right: 20px;
  width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  background: var(--surface-2);
  color: var(--text-dim);
  cursor: pointer;
  transition: color .25s var(--ease), border-color .25s var(--ease);
}
.project-modal__close:hover { color: var(--coral); border-color: var(--coral); }

.project-modal__eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
  margin: 0 0 10px;
  padding-right: 40px;
}
.project-modal__title {
  font-size: clamp(24px, 4vw, 32px);
  font-weight: 600;
  margin: 0 0 20px;
  padding-right: 40px;
}
.project-modal__body p {
  color: var(--text-dim);
  font-size: 15px;
  line-height: 1.7;
  margin: 0 0 14px;
}
.project-modal__highlights {
  margin: 20px 0;
  padding: 18px 20px;
  background: var(--surface-2);
  border-radius: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.project-modal__highlights li {
  position: relative;
  padding-left: 20px;
  font-size: 13.5px;
  color: var(--text);
  line-height: 1.5;
}
.project-modal__highlights li::before {
  content: '';
  position: absolute;
  left: 0; top: 7px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--coral);
}
.project-modal #modal-tags { margin: 0 0 24px; }
.project-modal__links {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* =========================================================
   CONTACT
   ========================================================= */
.contact { padding-top: 60px; padding-bottom: 60px; }
.contact__panel {
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: clamp(40px, 6vw, 80px);
  text-align: center;
  background: radial-gradient(ellipse 70% 100% at 50% 0%, var(--nebula-a), transparent 70%), var(--surface);
}
.contact__title { font-size: clamp(34px, 6vw, 60px); margin: 8px 0 18px; }
.contact__desc { color: var(--text-dim); max-width: 46ch; margin: 0 auto 32px; line-height: 1.6; }
.contact__email {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: clamp(16px, 2.4vw, 20px);
  padding: 14px 28px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  margin-bottom: 28px;
  transition: border-color .3s var(--ease), transform .3s var(--ease);
}
.contact__email:hover { border-color: var(--coral); transform: translateY(-2px); }
.contact__links { display: flex; justify-content: center; gap: 28px; font-family: var(--font-mono); font-size: 13px; color: var(--text-dim); }
.contact__links a:hover { color: var(--text); }

/* ---- mode switch ---- */
.contact__switch {
  position: relative;
  display: inline-flex;
  margin: 0 auto 32px;
  padding: 4px;
  background: var(--surface-2);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
}
.contact__switch-btn {
  position: relative;
  z-index: 2;
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px 20px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--text-dim);
  border-radius: 999px;
  transition: color .3s var(--ease);
  white-space: nowrap;
}
.contact__switch-btn.is-active { color: var(--bg); }
.contact__switch-thumb {
  position: absolute;
  top: 4px; left: 4px;
  bottom: 4px;
  width: calc(50% - 4px);
  border-radius: 999px;
  background: linear-gradient(120deg, var(--coral), var(--violet));
  transition: transform .35s var(--ease);
  z-index: 1;
}
.contact__switch[data-active="referral"] .contact__switch-thumb {
  transform: translateX(100%);
}

/* ---- form ---- */
.contact__form {
  max-width: 640px;
  margin: 0 auto;
  text-align: left;
}
.contact__fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-bottom: 8px;
}
.contact__fields[hidden] { display: none; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field--full { grid-column: 1 / -1; }
.field label {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
}
.field__optional { color: var(--text-faint); }
.field input,
.field textarea {
  font-family: var(--font-body);
  font-size: 14.5px;
  color: var(--text);
  background: var(--bg-elev);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  padding: 12px 14px;
  resize: vertical;
  transition: border-color .25s var(--ease), background .25s var(--ease);
}
.field input::placeholder,
.field textarea::placeholder { color: var(--text-faint); }
.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--coral);
}
.field input:invalid:not(:placeholder-shown),
.field textarea:invalid:not(:placeholder-shown) {
  border-color: var(--coral-soft);
}

.contact__submit {
  margin-top: 18px;
  width: 100%;
  justify-content: center;
}
.contact__form-note {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--text-faint);
  text-align: center;
}

.contact__divider {
  display: flex;
  align-items: center;
  gap: 16px;
  max-width: 640px;
  margin: 40px auto 28px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--text-faint);
}
.contact__divider::before,
.contact__divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

@media (max-width: 640px) {
  .contact__fields { grid-template-columns: 1fr; }
  .contact__switch-btn { padding: 10px 14px; font-size: 11.5px; }
}

/* =========================================================
   FOOTER
   ========================================================= */
.footer {
  text-align: center;
  padding: 32px var(--gutter) 48px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-faint);
}

/* =========================================================
   REVEAL ANIMATION
   ========================================================= */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  .reveal { transition: none; opacity: 1; transform: none; }
  .scroll-cue__line::after { animation: none; }
}

/* =========================================================
   CUSTOM CURSOR
   ========================================================= */
@media (pointer: fine) {
  .has-custom-cursor,
  .has-custom-cursor * {
    cursor: none;
  }
  /* let the browser's native grab/grabbing cursor show through on the
     draggable skills constellation — that inline style is set from JS */
  .has-custom-cursor #skills-canvas {
    cursor: auto;
  }
}

.cursor-dot,
.cursor-ring {
  position: fixed;
  top: 0;
  left: 0;
  border-radius: 50%;
  pointer-events: none;
  z-index: 999;
  opacity: 0;
  transition: opacity .25s var(--ease);
  will-change: transform;
}

.cursor-dot {
  width: 8px;
  height: 8px;
  background: var(--coral);
}

.cursor-ring {
  width: 34px;
  height: 34px;
  border: 1.5px solid var(--violet-soft);
  transition: width .28s var(--ease), height .28s var(--ease),
              border-color .28s var(--ease), background-color .28s var(--ease),
              border-style .28s var(--ease), opacity .25s var(--ease);
}

.cursor-ring--hover {
  width: 56px;
  height: 56px;
  border-color: var(--coral);
  background: rgba(255, 122, 92, 0.08);
}

.cursor-ring--drag {
  width: 62px;
  height: 62px;
  border-style: dashed;
  border-color: var(--cyan);
}

.cursor-ring--active {
  width: 46px;
  height: 46px;
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 900px) {
  .about__cards { grid-template-columns: 1fr; }
  .projects__grid { grid-template-columns: 1fr; }
  .hero__stats { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .nav__links { display: none; }
  .nav__burger { display: flex; }
  .theme-toggle__label { display: none; }
  .skills__stage { height: 460px; }
}