/* =====================================================================
   SIGNAL — Leon Marinho Portfolio
   style.css · design tokens, layout, typography, sections
   ===================================================================== */

/* ----------------------------- TOKENS ----------------------------- */
:root {
  /* color — luxury dark + ultraviolet "signal" */
  --bg:          #050505;
  --surface:     #0f0f0f;
  --card:        #151515;
  --line:        #222222;
  --text:        #f5f5f5;
  --text-dim:    #8a8a8a;
  --text-mute:   #555555;

  --signal:      #8b5cff;
  --signal-br:   #a98bff;
  --signal-deep: #6b3fff;
  --signal-glow: rgba(139, 92, 255, 0.35);

  /* type */
  --font-display: "Satoshi", "Space Grotesk", system-ui, sans-serif;
  --font-mono:    "Space Grotesk", ui-monospace, monospace;
  --font-body:    "Inter", system-ui, sans-serif;

  /* spacing — 8px system */
  --s-1: 4px;  --s-2: 8px;  --s-3: 16px; --s-4: 24px;
  --s-5: 32px; --s-6: 48px; --s-7: 64px; --s-8: 96px;
  --s-9: 128px; --s-10: 192px;

  --radius: 4px;
  --radius-lg: 8px;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);   /* expo-out calm */
  --ease-soft: cubic-bezier(0.22, 0.61, 0.36, 1);

  --gutter: clamp(20px, 5vw, 80px);
  --maxw: 1680px;
}

/* ----------------------------- RESET ----------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { -webkit-text-size-adjust: 100%; overflow-x: clip; }

/* premium scrollbar — thin, refined, accent on hover (part of the product) */
html { scrollbar-width: thin; scrollbar-color: rgba(139, 92, 255, 0.35) transparent; }
::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: rgba(139, 92, 255, 0.32);
  border-radius: 100px;
  border: 2px solid transparent;
  background-clip: padding-box;
}
::-webkit-scrollbar-thumb:hover { background: rgba(139, 92, 255, 0.6); background-clip: padding-box; }
::-webkit-scrollbar-corner { background: transparent; }

html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-smooth [data-lenis-prevent] { overscroll-behavior: contain; }
.lenis.lenis-stopped { overflow: hidden; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* hide native cursor on devices that have the custom one */
@media (hover: hover) and (pointer: fine) {
  body { cursor: none; }
  a, button, [data-hover], [data-magnetic] { cursor: none; }
}

img, video, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
::selection { background: var(--signal); color: #fff; }

/* ----------------------------- HELPERS ----------------------------- */
.kicker {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.kicker--right { text-align: right; }

.section {
  position: relative;
  padding: clamp(96px, 14vh, 192px) var(--gutter);
  max-width: var(--maxw);
  margin: 0 auto;
}

.section__index {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--signal-br);
  margin-bottom: var(--s-6);
}
.section__index::before {
  content: "";
  display: inline-block;
  width: 28px; height: 1px;
  background: var(--signal);
  vertical-align: middle;
  margin-right: var(--s-3);
}

/* split-text wrappers (set by JS) */
.split-line { display: block; overflow: hidden; }
.split-inner { display: inline-block; will-change: transform; }
.char { display: inline-block; will-change: transform; }

/* ----------------------------- GRAIN + AMBIENT ----------------------------- */
.grain {
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 9000;
  opacity: 0.04;
  mix-blend-mode: screen;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ----------------------------- AMBIENT: atmosphere + particles + thread ----------------------------- */
/* evolving/breathing background plane — drifts (ambient) + swells down the page (continuity) */
.atmosphere { position: fixed; inset: 0; z-index: 0; pointer-events: none; opacity: 0.45; overflow: hidden; }
.atmo__orb { position: absolute; border-radius: 50%; filter: blur(70px); will-change: transform; }
.atmo__orb--a {
  width: 48vw; height: 48vw; left: -8vw; top: 6vh;
  background: radial-gradient(circle, rgba(108,63,255,0.16), transparent 60%);
}
.atmo__orb--b {
  width: 42vw; height: 42vw; right: -6vw; bottom: 6vh;
  background: radial-gradient(circle, rgba(139,92,255,0.13), transparent 60%);
}
.particles {
  position: fixed; inset: 0; z-index: 0;
  pointer-events: none;
}
/* content sits above the ambient layers */
#smooth-content { position: relative; z-index: 1; }
.footer { position: relative; z-index: 1; }

/* ----------------------------- NAV ----------------------------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--s-5);
  padding: clamp(18px, 2.4vw, 30px) var(--gutter);
  border-bottom: 1px solid transparent;
  transition: padding 0.5s var(--ease), background-color 0.5s var(--ease),
              border-color 0.5s var(--ease), backdrop-filter 0.5s var(--ease);
}
/* condenses into a glass bar once you scroll — feels like a product, not a page */
.nav.is-scrolled {
  padding-top: 14px; padding-bottom: 14px;
  background: rgba(5, 5, 5, 0.62);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  backdrop-filter: blur(16px) saturate(140%);
  border-bottom-color: var(--line);
}

/* wordmark — monogram + full name + role (editorial, not just "LM.") */
.nav__brand { display: inline-flex; align-items: center; gap: var(--s-3); }
.nav__brand-mark {
  display: grid; place-items: center;
  width: 38px; height: 38px; flex: 0 0 auto;
  border: 1px solid var(--line); border-radius: 10px;
  font-family: var(--font-display); font-weight: 700; font-size: 0.92rem; letter-spacing: -0.02em;
  transition: border-color 0.4s var(--ease), background-color 0.4s var(--ease);
}
.nav__brand:hover .nav__brand-mark { border-color: var(--signal-deep); background: rgba(139, 92, 255, 0.1); }
.nav__brand-meta { display: flex; flex-direction: column; line-height: 1.15; }
.nav__brand-name { font-family: var(--font-display); font-weight: 600; font-size: 0.9rem; letter-spacing: -0.01em; }
.nav__brand-role {
  font-family: var(--font-mono); font-size: 0.58rem; letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--text-dim);
}

.nav__links { display: flex; gap: clamp(22px, 2.6vw, 44px); }
.nav__link { font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.03em; }

/* availability CTA — pulsing "available" dot + label, the premium touch */
.nav__cta {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 10px 18px;
  border: 1px solid var(--line); border-radius: 100px;
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--text);
  transition: border-color 0.4s var(--ease), background-color 0.4s var(--ease);
}
.nav__cta:hover { border-color: var(--signal-deep); background: rgba(139, 92, 255, 0.1); }
.nav__cta-dot {
  width: 7px; height: 7px; border-radius: 50%; flex: 0 0 auto;
  background: #4ade80; box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.5);
  animation: pulseDot 2.6s ease-out infinite;
}
@keyframes pulseDot {
  0%   { box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.5); }
  70%  { box-shadow: 0 0 0 7px rgba(74, 222, 128, 0); }
  100% { box-shadow: 0 0 0 0 rgba(74, 222, 128, 0); }
}

/* text-reveal on hover — inner label slides up, accent copy slides in */
a[data-text] {
  position: relative; display: inline-block; overflow: hidden;
  vertical-align: top; line-height: 1.35;
}
/* the visible label fills the clip box exactly (block, not inline-block) */
a[data-text] > span {
  display: block;
  transition: transform 0.55s var(--ease);
  will-change: transform;
}
/* the incoming copy sits exactly one box-height below, fully clipped at rest */
a[data-text]::before {
  content: attr(data-text);
  position: absolute; inset: 0;
  color: var(--signal-br);
  line-height: inherit;
  transform: translateY(100%);
  transition: transform 0.55s var(--ease);
  will-change: transform;
}
a[data-text]:hover > span { transform: translateY(-100%); }
a[data-text]:hover::before { transform: translateY(0); }
.nav__clock {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  font-variant-numeric: tabular-nums;
}
.nav__tz { color: var(--text-mute); }

/* ----------------------------- HERO ----------------------------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex; flex-direction: column; justify-content: space-between;
  padding: clamp(96px, 12vh, 160px) var(--gutter) var(--s-6);
  overflow: hidden;
}
.hero__bg { position: absolute; inset: 0; z-index: -1; pointer-events: none; }
.hero__layer {
  position: absolute; border-radius: 50%;
  filter: blur(80px); opacity: 0.5;
}
.hero__layer--bg {
  width: 60vw; height: 60vw; top: -18%; right: -10%;
  background: radial-gradient(circle, var(--signal-deep), transparent 65%);
  opacity: 0.22;
}
.hero__layer--mid {
  width: 42vw; height: 42vw; bottom: -18%; left: -10%;
  background: radial-gradient(circle, var(--signal), transparent 60%);
  opacity: 0.18;
}
.hero__layer--fg {
  width: 22vw; height: 22vw; top: 30%; left: 38%;
  background: radial-gradient(circle, var(--signal-br), transparent 55%);
  opacity: 0.12; filter: blur(60px);
}

.hero__top, .hero__bottom {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: var(--s-5);
}
.hero__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.4rem, 11.5vw, 13rem);
  line-height: 0.92;
  letter-spacing: -0.04em;
  text-transform: uppercase;
  margin: auto 0;
}
.hero__line { display: block; }
.hero__line--accent { color: var(--signal); }
.hero__sub {
  max-width: 38ch;
  color: var(--text-dim);
  font-size: clamp(1rem, 1.3vw, 1.3rem);
  line-height: 1.5;
}
.hero__scroll {
  display: inline-flex; flex-direction: column; align-items: center;
  gap: var(--s-2);
  font-family: var(--font-mono);
  font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--text-dim);
}
.hero__scroll-line {
  width: 1px; height: 56px; background: var(--line);
  position: relative; overflow: hidden;
}
.hero__scroll-line i {
  position: absolute; top: -50%; left: 0; width: 100%; height: 50%;
  background: var(--signal);
  animation: scrollPulse 2s var(--ease) infinite;
}

/* ----------------------------- ABOUT ----------------------------- */
/* pinned scene — guarantee the whole thing fits one frozen viewport */
.about {
  min-height: 100vh;
  display: flex; flex-direction: column; justify-content: center;
  padding-top: clamp(96px, 13vh, 140px);
  padding-bottom: clamp(56px, 8vh, 96px);
}
.about__grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: clamp(40px, 6vw, 120px);
  align-items: center;
}
.about__lead {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.5rem, 3vw, 2.6rem);
  line-height: 1.25;
  letter-spacing: -0.02em;
}
.about__stats {
  display: flex; gap: var(--s-7);
  margin-top: clamp(24px, 4vh, 48px);
  border-top: 1px solid var(--line);
  padding-top: var(--s-5);
}
.about__stat b {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 4vw, 3.4rem);
  letter-spacing: -0.03em;
  color: var(--signal-br);
  font-variant-numeric: tabular-nums;
}
.about__stat span {
  font-family: var(--font-mono);
  font-size: 0.72rem; letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--text-dim);
}
.about__media { perspective: 1000px; max-height: 62vh; }
.about__portrait {
  position: relative;
  aspect-ratio: 3 / 4;
  max-height: 62vh;
  margin-left: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  overflow: hidden;
  background:
    radial-gradient(120% 120% at 30% 20%, rgba(139,92,255,0.22), transparent 55%),
    linear-gradient(160deg, #1a1530, #0b0b14 70%);
  transform-style: preserve-3d;
  will-change: transform;
}
.about__portrait-glow {
  position: absolute; inset: -2px;
  background: radial-gradient(60% 50% at 50% 110%, var(--signal-glow), transparent 70%);
  opacity: 0.7;
}
.about__portrait-id {
  position: absolute; left: var(--s-4); bottom: var(--s-4);
  font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.15em;
  color: var(--text-dim);
}

/* ----------------------------- WORK · BRANCHING TREE ----------------------------- */
.work { position: relative; }
.work__intro { padding-bottom: var(--s-5); }
.work__title {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(2rem, 5vw, 4rem); letter-spacing: -0.03em; line-height: 1.05;
  margin-top: var(--s-3); max-width: 16ch;
}
.work__hint {
  display: inline-block; margin-top: var(--s-5);
  font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--signal-br);
}

/* pinned horizontal gallery */
.gallery {
  position: relative; height: 100vh; overflow: hidden;
  display: flex; align-items: center;
}
.gallery__track {
  display: flex; align-items: center; gap: clamp(28px, 4vw, 84px);
  padding: 0 max(10vw, var(--gutter));
  will-change: transform;
}
.wcard { flex: 0 0 auto; width: clamp(300px, 32vw, 460px); will-change: transform, opacity; }
.wcard--lg { width: clamp(380px, 42vw, 640px); }
.wcard--md { width: clamp(280px, 28vw, 420px); }

/* link owns the hover lift (transform); gsap owns the media transform (centre-focus) — no fight */
.wcard__link { display: block; transition: transform 0.6s var(--ease); will-change: transform; }
.wcard__link:hover { transform: translateY(-8px); }
.wcard__media {
  display: block; position: relative;
  aspect-ratio: 4 / 3; border-radius: var(--radius-lg);
  overflow: hidden; border: 1px solid var(--line);
  transition: border-color 0.6s var(--ease), box-shadow 0.6s var(--ease);
  will-change: transform;
}
.wcard--md .wcard__media { aspect-ratio: 3 / 4; }     /* portrait variation = rhythm */
.wcard__media::after {
  content: ""; position: absolute; inset: 0;
  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'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  mix-blend-mode: overlay; opacity: 0.22;
}
/* sober premium hover — accent border + soft dark shadow (no purple blob) */
.wcard__link:hover .wcard__media {
  border-color: var(--signal-deep);
  box-shadow: 0 36px 70px -38px rgba(0, 0, 0, 0.85);
}

.wcard__info {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: var(--s-3); margin-top: var(--s-4);
}
.wcard__num { font-family: var(--font-mono); font-size: 0.75rem; color: var(--signal-br); }
.wcard__lines { flex: 1; }
.wcard__name {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(1.4rem, 2.4vw, 2.1rem); letter-spacing: -0.02em;
  transition: color 0.4s var(--ease);
}
.wcard__link:hover .wcard__name { color: var(--signal-br); }
.wcard__meta {
  display: block; margin-top: 2px;
  font-family: var(--font-mono); font-size: 0.74rem; color: var(--text-dim);
}
.wcard__year { font-family: var(--font-mono); font-size: 0.74rem; color: var(--text-mute); }
.wcard__desc { color: var(--text-dim); font-size: 0.9rem; margin-top: var(--s-3); max-width: 42ch; }

/* media backgrounds (generated, no external assets) */
.wcard__media[data-grad="0"] { background:
  radial-gradient(120% 120% at 20% 10%, rgba(139,92,255,0.5), transparent 50%),
  conic-gradient(from 210deg at 70% 80%, #2b1b54, #0c0c18, #1a2540, #0c0c18); }
.wcard__media[data-grad="1"] { background:
  radial-gradient(100% 120% at 80% 20%, rgba(108,63,255,0.55), transparent 55%),
  linear-gradient(140deg, #150f2e, #06060c 60%, #1d1140); }
.wcard__media[data-grad="2"] { background:
  radial-gradient(120% 120% at 30% 80%, rgba(169,139,255,0.4), transparent 55%),
  linear-gradient(200deg, #101427, #07070d 55%, #261a4a); }
.wcard__media[data-grad="3"] { background:
  conic-gradient(from 120deg at 30% 30%, #1c1638, #08080f, #2a1d52, #08080f); }
.wcard__media[data-grad="4"] { background:
  radial-gradient(110% 130% at 70% 70%, rgba(139,92,255,0.45), transparent 55%),
  linear-gradient(120deg, #0a0a12, #1a1330 70%); }
.wcard__media[data-grad="5"] { background:
  radial-gradient(120% 120% at 50% 0%, rgba(108,63,255,0.5), transparent 55%),
  linear-gradient(180deg, #1d1542, #07070d); }

/* real project photos — cover the gradient, share the ultraviolet mood */
.wcard__img {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; z-index: 1;
  filter: saturate(0.82) brightness(0.92) contrast(1.04);
  transform: scale(1.04);                 /* gsap centre-focus scales the media; img stays bled to edges */
  transition: filter 0.6s var(--ease), transform 0.8s var(--ease);
}
/* tint + bottom vignette so photo cards read like the gradient ones (cohesion, legibility) */
.wcard__media--photo::before {
  content: ""; position: absolute; inset: 0; z-index: 2;
  background:
    radial-gradient(120% 120% at 30% 0%, rgba(108,63,255,0.22), transparent 55%),
    linear-gradient(180deg, rgba(7,7,13,0) 40%, rgba(7,7,13,0.55) 100%);
  mix-blend-mode: normal;
}
.wcard__media--photo::after { z-index: 3; }   /* keep the noise grain on top of the tint */
.wcard__link:hover .wcard__img { filter: saturate(1) brightness(1) contrast(1.04); transform: scale(1.08); }

/* MOBILE / reduced-motion — the gallery becomes a clean vertical list */
@media (max-width: 1024px), (prefers-reduced-motion: reduce) {
  .gallery { height: auto; overflow: visible; display: block; padding: 0 var(--gutter) var(--s-8); }
  .gallery__track {
    flex-direction: column; align-items: stretch; gap: var(--s-7);
    padding: 0; transform: none !important;
  }
  .wcard, .wcard--lg, .wcard--md { width: 100%; }
  .wcard--md .wcard__media { aspect-ratio: 4 / 3; }
}

/* ----------------------------- TIMELINE ----------------------------- */
.timeline__wrap { position: relative; padding-left: clamp(24px, 5vw, 80px); }
.timeline__spine {
  position: absolute; left: 0; top: 6px; bottom: 6px; width: 1px;
  background: var(--line);
}
.timeline__fill {
  position: absolute; left: 0; top: 0; width: 100%; height: 0%;
  background: linear-gradient(var(--signal-br), var(--signal-deep));
  box-shadow: 0 0 16px var(--signal-glow);
  will-change: height;
}
.timeline__list { display: flex; flex-direction: column; gap: clamp(48px, 8vh, 120px); }
.milestone { position: relative; }
.milestone::before {
  content: ""; position: absolute;
  left: calc(-1 * clamp(24px, 5vw, 80px)); top: 10px;
  width: 11px; height: 11px; border-radius: 50%;
  background: var(--bg); border: 1px solid var(--signal);
  transform: translateX(-5px);
}
.milestone__year {
  font-family: var(--font-mono); font-size: 0.8rem; letter-spacing: 0.1em;
  color: var(--signal-br);
}
.milestone__role {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(1.5rem, 3.4vw, 2.8rem); letter-spacing: -0.02em;
  margin: var(--s-2) 0 var(--s-1);
}
.milestone__place { font-family: var(--font-mono); font-size: 0.8rem; color: var(--text-dim); }
.milestone__desc { color: var(--text-dim); max-width: 52ch; margin-top: var(--s-3); }

/* ----------------------------- SKILLS ----------------------------- */
.skills { overflow: hidden; }
.skills__marquee { white-space: nowrap; overflow: hidden; margin: 0 calc(-1 * var(--gutter)); }
.skills__track {
  display: inline-flex; align-items: center; gap: var(--s-5);
  font-family: var(--font-display); font-weight: 700; text-transform: uppercase;
  font-size: clamp(2.4rem, 7vw, 6rem); letter-spacing: -0.02em;
  will-change: transform;
}
.skills__track .dot { color: var(--signal); font-weight: 400; }
.skills__marquee--rev { margin-top: var(--s-3); color: var(--text-mute); }
.skills__marquee--rev .skills__track { -webkit-text-stroke: 1px var(--text-mute); color: transparent; }
.skills__marquee--rev .skills__track .dot { -webkit-text-stroke: 0; color: var(--signal-deep); }

.skills__tracks {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: var(--s-6); margin-top: var(--s-9);
  border-top: 1px solid var(--line); padding-top: var(--s-6);
}
.skills__group-label {
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--signal-br);
}
.skills__group-list {
  font-family: var(--font-display); font-weight: 500;
  font-size: clamp(1.1rem, 1.6vw, 1.5rem); line-height: 1.4;
  margin-top: var(--s-3);
}

/* ----------------------------- SERVICES ----------------------------- */
.services__head { margin-bottom: var(--s-7); }
.services__title {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(2rem, 5vw, 4rem); letter-spacing: -0.03em; line-height: 1.05;
  margin-top: var(--s-3); max-width: 18ch;
}
.services__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(16px, 2vw, 28px); }
.service {
  position: relative;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(28px, 4vw, 56px);
  min-height: clamp(220px, 26vw, 340px);
  display: flex; flex-direction: column;
  transform-style: preserve-3d;
  transition: border-color 0.5s var(--ease), background 0.5s var(--ease);
  will-change: transform;
  overflow: hidden;
}
.service::before {
  content: ""; position: absolute; left: 0; top: 0; height: 1px; width: 100%;
  background: linear-gradient(90deg, transparent, var(--signal), transparent);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.6s var(--ease);
}
.service:hover { border-color: var(--signal-deep); background: #15101f; }
.service:hover::before { transform: scaleX(1); }
.service__num {
  font-family: var(--font-mono); font-size: 0.8rem; color: var(--signal-br);
  transform: translateZ(30px);
}
.service__name {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(1.4rem, 2.4vw, 2rem); letter-spacing: -0.02em;
  margin: auto 0 var(--s-3); transform: translateZ(40px);
}
.service__desc { color: var(--text-dim); max-width: 40ch; transform: translateZ(20px); }

/* ----------------------------- TESTIMONIAL ----------------------------- */
.quotes { text-align: left; }
.quote {
  font-family: var(--font-display); font-weight: 500;
  font-size: clamp(1.8rem, 4.5vw, 3.6rem); line-height: 1.2; letter-spacing: -0.02em;
  max-width: 22ch;
}
.quote__by { display: flex; flex-direction: column; gap: var(--s-1); margin-top: var(--s-6); }
.quote__name { font-family: var(--font-mono); font-size: 0.85rem; color: var(--signal-br); letter-spacing: 0.05em; }
.quote__role { font-family: var(--font-mono); font-size: 0.78rem; color: var(--text-dim); }

/* ----------------------------- COLLABORATIONS ----------------------------- */
.collab { text-align: center; }
.collab__sub {
  font-family: var(--font-display); font-weight: 500;
  font-size: clamp(1.4rem, 3vw, 2.4rem); line-height: 1.25; letter-spacing: -0.02em;
  max-width: 24ch; margin: 0 auto var(--s-8);
}
.collab__wall {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center;
  gap: clamp(20px, 4vw, 64px);
  border-top: 1px solid var(--line); padding-top: var(--s-7);
}
.collab__brand {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(1.4rem, 3vw, 2.6rem); letter-spacing: -0.02em;
  color: var(--text-mute);
  transition: color 0.4s var(--ease);
}
.collab__brand:hover { color: var(--text); }

/* ----------------------------- CONTACT CTA ----------------------------- */
.cta {
  text-align: center;
  display: flex; flex-direction: column; align-items: center;
  min-height: 90svh; justify-content: center;
  overflow: hidden;
}
.cta__title {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(2.1rem, 9.5vw, 11rem); line-height: 0.96;
  letter-spacing: -0.04em; text-transform: uppercase;
  margin: var(--s-5) 0 var(--s-7);
}
.cta__mail {
  font-family: var(--font-display); font-weight: 500;
  font-size: clamp(1.2rem, 3vw, 2.4rem); letter-spacing: -0.01em;
  position: relative; padding-bottom: var(--s-2);
}
.cta__mail::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 1px; width: 100%;
  background: var(--signal); transform: scaleX(0); transform-origin: right;
  transition: transform 0.6s var(--ease);
}
.cta__mail:hover::after { transform: scaleX(1); transform-origin: left; }
.cta__btn {
  display: inline-flex; align-items: center; gap: var(--s-3);
  margin-top: var(--s-7);
  padding: var(--s-4) var(--s-6);
  border: 1px solid var(--signal-deep); border-radius: 100px;
  font-family: var(--font-mono); font-size: 0.85rem; letter-spacing: 0.08em;
  text-transform: uppercase;
  position: relative; overflow: hidden;
  transition: color 0.5s var(--ease);
}
.cta__btn::before {
  content: ""; position: absolute; inset: 0; background: var(--signal);
  transform: scaleX(0); transform-origin: right; z-index: -1;
  transition: transform 0.6s var(--ease);
}
.cta__btn:hover { color: #fff; }
.cta__btn:hover::before { transform: scaleX(1); transform-origin: left; }
.cta__btn-arrow { transition: transform 0.5s var(--ease); }
.cta__btn:hover .cta__btn-arrow { transform: translateX(6px); }

/* ----------------------------- FOOTER ----------------------------- */
.footer { border-top: 1px solid var(--line); padding-top: var(--s-7); overflow: hidden; }
.footer__marquee { white-space: nowrap; overflow: hidden; }
.footer__track {
  display: inline-flex; align-items: center; gap: var(--s-6);
  font-family: var(--font-display); font-weight: 900; text-transform: uppercase;
  font-size: clamp(3rem, 13vw, 11rem); letter-spacing: -0.03em;
  color: transparent; -webkit-text-stroke: 1px var(--line);
  will-change: transform;
}
.footer__star { color: var(--signal); -webkit-text-stroke: 0; font-size: 0.4em; }
.footer__bar {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: var(--s-5); flex-wrap: wrap;
  padding: var(--s-7) var(--gutter) var(--s-5);
  max-width: var(--maxw); margin: 0 auto;
}
.footer__col { display: flex; flex-direction: column; gap: var(--s-3); }
.footer__col--right { text-align: right; }
.footer__label {
  font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--text-mute);
}
/* social icon buttons */
.footer__socials { display: flex; gap: var(--s-3); }
.social {
  display: grid; place-items: center;
  width: 48px; height: 48px;
  border: 1px solid var(--line); border-radius: 50%;
  background: var(--card);
  color: #c8c8d2;
  transition: color 0.4s var(--ease), border-color 0.4s var(--ease),
              background-color 0.4s var(--ease), transform 0.4s var(--ease);
}
.social svg { width: 20px; height: 20px; fill: currentColor; display: block; }
.social:hover {
  color: #fff; border-color: var(--signal-deep);
  background: rgba(139, 92, 255, 0.14);
  transform: translateY(-3px);
}

/* elegant back-to-top — label + circular icon button */
.footer__top {
  display: inline-flex; align-items: center; gap: var(--s-3);
  font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--text-dim);
}
.footer__top-circle {
  display: grid; place-items: center;
  width: 46px; height: 46px;
  border: 1px solid var(--line); border-radius: 50%;
  transition: border-color 0.4s var(--ease), background-color 0.4s var(--ease);
}
.footer__top-circle svg {
  width: 18px; height: 18px; fill: none;
  stroke: var(--signal-br); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
  transition: transform 0.4s var(--ease);
}
.footer__top:hover .footer__top-circle { border-color: var(--signal-deep); background: rgba(139, 92, 255, 0.12); }
.footer__top:hover .footer__top-circle svg { transform: translateY(-3px); }
.footer__legal {
  display: flex; justify-content: space-between; gap: var(--s-4); flex-wrap: wrap;
  padding: var(--s-4) var(--gutter);
  max-width: var(--maxw); margin: 0 auto;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-mute);
  letter-spacing: 0.05em;
}

/* ----------------------------- RESPONSIVE ----------------------------- */
@media (max-width: 1024px) {
  .about__grid { grid-template-columns: 1fr; }
  .about__media { max-width: 360px; }
  .services__grid { grid-template-columns: 1fr; }
  .skills__tracks { grid-template-columns: 1fr; gap: var(--s-5); }
  /* tighter vertical rhythm on laptop/tablet — more breathing room */
  .section { padding-top: clamp(72px, 10vh, 120px); padding-bottom: clamp(72px, 10vh, 120px); }
  .about { min-height: auto; }          /* no forced 100vh frame when unpinned */
  .about__stats { margin-top: var(--s-5); }
  .services__title, .work__title { font-size: clamp(1.8rem, 4.5vw, 3rem); }
}

@media (max-width: 680px) {
  .nav__links { display: none; }
  .nav__brand-meta { display: none; }              /* monogram only on phones */
  .nav__cta { padding: 9px 14px; font-size: 0.64rem; }
  .hero { padding-top: 104px; min-height: 92svh; }
  .hero__top, .hero__bottom { flex-direction: column; align-items: flex-start; gap: var(--s-4); }
  .hero__title { line-height: 0.98; }
  .hero__sub { max-width: 100%; }
  .hero__scroll { flex-direction: row; align-items: center; }
  .hero__scroll-line { width: 40px; height: 1px; }
  .hero__scroll-line i { top: 0; left: -50%; width: 50%; height: 100%; animation: scrollPulseH 2s var(--ease) infinite; }
  .about__stats { gap: var(--s-5) var(--s-6); flex-wrap: wrap; }
  .about__stat b { font-size: clamp(2rem, 11vw, 2.8rem); }
  .footer__bar { flex-direction: column; }
  .footer__col--right { text-align: left; }
  /* tighter spacing on phones — avoid the cramped, oversized feel */
  .section { padding-left: var(--s-4); padding-right: var(--s-4);
             padding-top: clamp(56px, 9vh, 88px); padding-bottom: clamp(56px, 9vh, 88px); }
  .services__title, .work__title { font-size: clamp(1.7rem, 7vw, 2.3rem); }
  .milestone__role { font-size: clamp(1.5rem, 7vw, 2rem); }
  .collab__sub { font-size: clamp(1.3rem, 6vw, 1.9rem); }
  .collab__wall { gap: var(--s-4) var(--s-5); padding-top: var(--s-6); }
  .cta__btn { padding: var(--s-3) var(--s-5); }
}

/* touch / coarse pointer — disable custom cursor, restore native */
@media (hover: none), (pointer: coarse) {
  .cursor { display: none; }
  body, a, button { cursor: auto; }
}