/* =====================================================================
   AUGMENT — AI-native creative agency
   Design system + cinematic digital experience
   ===================================================================== */

/* ---------- Design tokens ---------- */
:root {
  --ink:        #050509;   /* deeper near-black base */
  --ink-2:      #0A0A10;
  --paper:      #F3F0E9;   /* warm editorial off-white */
  --paper-2:    #E9E5DB;
  --fog:        rgba(243, 240, 233, 0.62);
  --fog-2:      rgba(243, 240, 233, 0.38);
  --line:       rgba(243, 240, 233, 0.14);

  /* AI accent spectrum */
  --violet:     #6D5BFF;
  --electric:   #00E0C7;
  --lime:       #C2FF3D;
  --hot:        #FF5A2C;
  --pink:       #FF4D9D;
  --accent:     var(--lime);

  --grad-ai: linear-gradient(115deg, var(--violet), var(--electric) 55%, var(--lime));

  --font-display: 'Bricolage Grotesque', sans-serif;
  --font-body:    'Google Sans', 'Product Sans', Arial, sans-serif;
  --font-mono:    var(--font-body);

  --pad-x: clamp(1.25rem, 5vw, 6rem);
  --maxw: 1600px;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-io: cubic-bezier(0.65, 0, 0.35, 1);
}

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

html { -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--ink);
  color: var(--paper);
  font-weight: 300;
  line-height: 1.5;
  overflow-x: hidden;
  cursor: none;
}
body.nav-open { overflow: hidden; }
@media (hover: none) { body { cursor: auto; } }

img, canvas { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
::selection { background: var(--lime); color: var(--ink); }

/* ---------- Section theming ---------- */

/* =====================================================================
   Overlays: grain, cursor, progress, loader
   ===================================================================== */
.grain {
  position: fixed; inset: 0; z-index: 9990; pointer-events: none;
  opacity: 0.045; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.cursor { position: fixed; top: 0; left: 0; z-index: 9995; pointer-events: none; mix-blend-mode: difference; }
.cursor__dot {
  position: fixed; width: 7px; height: 7px; border-radius: 50%;
  background: var(--paper); transform: translate(-50%, -50%);
}
.cursor__ring {
  position: fixed; width: 40px; height: 40px; border-radius: 50%;
  border: 1px solid rgba(243,240,233,0.7); transform: translate(-50%, -50%);
  transition: width .3s var(--ease), height .3s var(--ease), background .3s var(--ease);
}
.cursor.is-hover .cursor__ring { width: 64px; height: 64px; background: rgba(243,240,233,0.08); }
.cursor.is-hover .cursor__dot { opacity: 0; }
@media (hover: none) { .cursor { display: none; } }

.scroll-progress {
  position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: 9992;
  background: transparent;
}
.scroll-progress span {
  display: block; height: 100%; width: 0%;
  background: var(--grad-ai); transform-origin: left;
}

.loader {
  position: fixed; inset: 0; z-index: 9999; background: var(--ink);
  display: grid; place-items: center; transition: opacity .6s var(--ease), visibility .6s;
}
.loader.is-done { opacity: 0; visibility: hidden; }
.loader__inner { height: 1.4em; overflow: hidden; font-family: var(--font-display);
  font-weight: 700; font-size: clamp(1.6rem, 6vw, 3.4rem); }
.loader__word { display: block; text-align: center; }
.loader__bar { position: absolute; bottom: 12%; left: 50%; transform: translateX(-50%);
  width: min(240px, 60vw); height: 1px; background: var(--line); overflow: hidden; }
.loader__bar span { display: block; height: 100%; width: 0%; background: var(--paper); }

/* =====================================================================
   Navigation
   ===================================================================== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 9000;
  display: flex; align-items: center; justify-content: space-between;
  padding: clamp(1rem, 2.2vw, 1.6rem) var(--pad-x);
  mix-blend-mode: difference; color: var(--paper);
  border-bottom: 1px solid transparent;
  transition: transform .5s var(--ease), background .35s var(--ease), border-color .35s var(--ease), padding .35s var(--ease);
}
.nav.is-hidden { transform: translateY(-110%); }
.nav.is-scrolled {
  mix-blend-mode: normal;
  background: rgba(5,5,9,0.82);
  border-bottom-color: rgba(243,240,233,0.1);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  padding-top: .85rem;
  padding-bottom: .85rem;
}
.nav__brand { display: flex; align-items: center; gap: .55rem; font-family: var(--font-display);
  font-weight: 800; font-size: 1.15rem; letter-spacing: -0.02em; }
.nav__mark { color: var(--lime); animation: spin 14s linear infinite; display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }
.nav__links { display: flex; align-items: center; gap: clamp(1rem, 2.4vw, 2.4rem); font-size: .82rem;
  font-family: var(--font-mono); letter-spacing: 0.02em; }
.nav__links a { position: relative; padding: .2rem 0; opacity: .8; transition: opacity .3s, color .3s; }
.nav__links a:last-child { color: var(--lime); }
.nav__links a::after { content: ''; position: absolute; left: 0; bottom: -2px; height: 1px; width: 0;
  background: currentColor; transition: width .35s var(--ease); }
.nav__links a:hover { opacity: 1; }
.nav__links a:hover::after { width: 100%; }
.nav__cta { display: inline-flex; align-items: center; gap: .5rem; font-size: .8rem;
  font-family: var(--font-mono); border: 1px solid rgba(243,240,233,0.4);
  padding: .6rem 1.1rem; border-radius: 100px; transition: background .3s, color .3s, border-color .3s; }
.nav__cta:hover { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.nav__cta-arrow { transition: transform .3s var(--ease); }
.nav__cta:hover .nav__cta-arrow { transform: translateX(4px); }
.nav__burger { display: none; width: 46px; height: 46px; border-radius: 50%; background: rgba(243,240,233,0.08);
  border: 1px solid rgba(243,240,233,0.2); flex-direction: column; align-items: center; justify-content: center;
  gap: 6px; cursor: none; position: relative; z-index: 9100; }
.nav__burger span { width: 20px; height: 2px; background: var(--paper); transition: transform .3s var(--ease), opacity .3s; }
.nav.is-open .nav__burger span:first-child { transform: translateY(4px) rotate(45deg); }
.nav.is-open .nav__burger span:last-child { transform: translateY(-4px) rotate(-45deg); }

@media (max-width: 900px) {
  .nav { padding-top: .85rem; padding-bottom: .85rem; }
  .nav__links, .nav__cta { display: none; }
  .nav__burger { display: flex; }
  .nav__links.is-open { display: flex; position: fixed; inset: 0; min-height: 100svh;
    flex-direction: column; align-items: stretch; justify-content: center;
    gap: 0; padding: 6.5rem var(--pad-x) 2rem; background: rgba(5,5,9,0.96);
    -webkit-backdrop-filter: blur(18px); backdrop-filter: blur(18px);
    font-family: var(--font-display); mix-blend-mode: normal; }
  .nav__links.is-open::before { content: 'Navigate'; font-family: var(--font-mono); font-size: .72rem;
    text-transform: uppercase; letter-spacing: 0.12em; color: var(--fog-2); margin-bottom: 1.2rem; }
  .nav__links.is-open a { display: flex; align-items: center; justify-content: space-between;
    min-height: 72px; padding: 1rem 0; border-bottom: 1px solid var(--line);
    font-size: clamp(2.2rem, 12vw, 5rem); line-height: .95; letter-spacing: -0.03em;
    opacity: 1; color: var(--paper); }
  .nav__links.is-open a::before { content: '0' counter(nav-item); counter-increment: nav-item;
    order: 2; font-family: var(--font-mono); font-size: .8rem; letter-spacing: 0.08em; color: var(--fog-2); }
  .nav__links.is-open { counter-reset: nav-item; }
  .nav__links.is-open a:last-child { color: var(--lime); border-bottom-color: rgba(194,255,61,0.35); }
  .nav__links.is-open a::after { display: none; }
  .nav.is-open { mix-blend-mode: normal; background: rgba(5,5,9,0.86); }
}

/* =====================================================================
   Shared section furniture
   ===================================================================== */
.section {
  position: relative; padding: clamp(5rem, 12vh, 11rem) var(--pad-x);
  width: 100%;
}
.section > :not([aria-hidden="true"]) {
  max-width: var(--maxw);
  margin-inline: auto;
}
.section__head {
  display: flex; align-items: center; gap: 1rem; margin-bottom: clamp(2.5rem, 6vh, 5rem);
  font-family: var(--font-display); font-weight: 700; font-size: .9rem; letter-spacing: 0.02em; text-transform: uppercase;
}
.section__index { color: rgba(243,240,233,0.4); }
.section__label { color: var(--fog); position: relative; padding-left: 1rem; }
.section__label::before { content: ''; position: absolute; left: 0; top: 50%; width: .4rem; height: .4rem;
  border-radius: 50%; background: var(--lime); transform: translateY(-50%); }

.eyebrow { font-family: var(--font-display); font-weight: 700; font-size: clamp(.9rem, 1vw, 1.05rem); letter-spacing: 0.03em;
  text-transform: uppercase; color: var(--fog); overflow: hidden; }
.eyebrow span { display: inline-block; }

/* Big statements */
.statement {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(2.2rem, 6.5vw, 6rem); line-height: 0.98; letter-spacing: -0.03em;
}
.statement__muted { color: rgba(243,240,233,0.32); }
.statement__accent { color: var(--lime); font-style: italic; }
/* =====================================================================
   Buttons — magnetic + primary
   ===================================================================== */
.btn {
  position: relative; display: inline-flex; align-items: center; gap: .8rem;
  font-family: var(--font-mono); font-size: .9rem; letter-spacing: 0.01em;
  padding: 1.1rem 1.8rem; border-radius: 100px; overflow: hidden; cursor: none;
  will-change: transform;
}
.btn--primary { background: var(--paper); color: var(--ink); }
.btn--primary::before { content: ''; position: absolute; inset: 0; z-index: 0;
  background: var(--grad-ai); transform: translateY(101%); transition: transform .5s var(--ease); }
.btn--primary:hover::before { transform: translateY(0); }
.btn__label, .btn__icon { position: relative; z-index: 1; transition: color .4s; }
.btn--primary:hover .btn__label, .btn--primary:hover .btn__icon { color: var(--ink); }
.btn__icon { transition: transform .4s var(--ease); }
.btn:hover .btn__icon { transform: translateX(5px); }
.btn--full { width: 100%; justify-content: center; }

/* =====================================================================
   1. HERO
   ===================================================================== */
.hero {
  position: relative; min-height: 100svh; display: flex; flex-direction: column;
  justify-content: center; padding: 0 var(--pad-x); overflow: hidden;
  background:
    radial-gradient(circle at 18% 24%, rgba(109,91,255,0.34), transparent 34%),
    radial-gradient(circle at 76% 18%, rgba(0,224,199,0.22), transparent 30%),
    radial-gradient(circle at 58% 78%, rgba(194,255,61,0.16), transparent 34%),
    radial-gradient(circle at 28% 86%, rgba(255,77,157,0.13), transparent 26%),
    linear-gradient(135deg, #050509 0%, #0A0A10 48%, #050509 100%);
}
.hero__glow {
  position: absolute; z-index: 1; inset: 0;
  background:
    radial-gradient(circle at 50% 20%, rgba(243,240,233,0.06), transparent 32%),
    linear-gradient(180deg, rgba(5,5,9,0.08), rgba(5,5,9,0.76) 86%);
  pointer-events: none;
}
.hero__inner { position: relative; z-index: 2; max-width: var(--maxw); margin-inline: auto; width: 100%;
  padding-top: 8rem; }
.hero__title {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(2.7rem, 9vw, 9.5rem); line-height: 0.94; letter-spacing: -0.04em;
  margin: 1.5rem 0 2.5rem;
}
.hero__title .line { display: block; overflow: hidden; }
.hero__title em { font-style: italic; color: var(--lime); }
.hero__title [data-split] { display: inline-block; will-change: transform; }
.hero__foot { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 2rem; }
.hero__lede { max-width: 34ch; font-size: clamp(1rem, 1.3vw, 1.25rem); color: var(--fog); }
.hero__scroll { position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: .6rem; z-index: 2;
  font-family: var(--font-mono); font-size: .7rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--fog); }
.hero__scroll-line { width: 1px; height: 46px; background: linear-gradient(var(--fog), transparent);
  position: relative; overflow: hidden; }
.hero__scroll-line::after { content: ''; position: absolute; top: -50%; left: 0; width: 100%; height: 50%;
  background: var(--lime); animation: scrolldown 1.8s var(--ease-io) infinite; }
@keyframes scrolldown { 0% { top: -50%; } 100% { top: 100%; } }

/* =====================================================================
   Marquee
   ===================================================================== */
.marquee { overflow: hidden; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  padding: 1.4rem 0; white-space: nowrap; }
.marquee__track { display: inline-flex; align-items: center; gap: 2rem; will-change: transform;
  font-family: var(--font-display); font-weight: 700; font-size: clamp(1.4rem, 3vw, 2.6rem);
  letter-spacing: -0.02em; }
.marquee__dot { color: var(--lime); font-size: 0.7em; }

/* =====================================================================
   2. PROBLEM
   ===================================================================== */
.problem__inner { max-width: var(--maxw); }
.problem__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(1.5rem, 4vw, 4rem);
  margin: clamp(3rem, 7vh, 6rem) 0; max-width: 1100px; margin-left: auto; }
.problem__copy { font-size: clamp(1rem, 1.35vw, 1.3rem); color: var(--fog); }
.problem__stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem;
  border-top: 1px solid var(--line); padding-top: 3rem; }
.stat { display: flex; flex-direction: column; }
.stat__num { font-family: var(--font-display); font-weight: 800; font-size: clamp(3rem, 8vw, 6rem);
  line-height: 1; letter-spacing: -0.04em; }
.stat__suffix { font-family: var(--font-display); font-weight: 700; font-size: clamp(1.5rem, 3vw, 2.5rem);
  color: var(--lime); margin-bottom: 1rem; }
.stat__desc { color: var(--fog); max-width: 26ch; font-size: .95rem; }

/* =====================================================================
   3. SHIFT
   ===================================================================== */
.shift { overflow: hidden;
  background:
    radial-gradient(circle at 78% 18%, rgba(109,91,255,0.24), transparent 32%),
    radial-gradient(circle at 22% 82%, rgba(0,224,199,0.13), transparent 30%),
    radial-gradient(circle at 62% 58%, rgba(194,255,61,0.08), transparent 28%),
    linear-gradient(135deg, #050509 0%, #0A0A10 58%, #050509 100%);
}
.shift::after { content: ''; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(90deg, rgba(5,5,9,0.9), rgba(5,5,9,0.64) 52%, rgba(5,5,9,0.86));
  pointer-events: none; }
.shift .section__head, .shift__inner { position: relative; z-index: 2; }
.shift__lede { max-width: 40ch; font-size: clamp(1.1rem, 1.6vw, 1.5rem); margin: 2.5rem 0 4rem;
  color: var(--fog); }
.triad { display: flex; align-items: stretch; flex-wrap: wrap; gap: 1rem; }
.triad__node { flex: 1 1 200px; border: 1px solid var(--line); border-radius: 18px;
  padding: 1.8rem; transition: transform .5s var(--ease), background .5s, color .5s, border-color .5s;
  background: rgba(243,240,233,0.035); }
.triad__node h3 { font-family: var(--font-display); font-weight: 700; font-size: 1.5rem; margin: .8rem 0 .5rem; }
.triad__node p { font-size: .92rem; color: var(--fog); }
.triad__num { font-family: var(--font-mono); font-size: .85rem; color: var(--electric); }
.triad__node:hover { transform: translateY(-8px); border-color: var(--violet); }
.triad__node--result { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.triad__node--result p { color: rgba(8,8,11,0.62); }
.triad__node--result .triad__num { color: var(--violet); }
.triad__plus, .triad__equals { align-self: center; font-family: var(--font-display); font-weight: 700;
  font-size: 2rem; color: var(--fog-2); }

/* =====================================================================
   4. WHAT WE BUILD — capability list
   ===================================================================== */
.build__title { font-family: var(--font-display); font-weight: 700; font-size: clamp(2rem, 5vw, 4.5rem);
  line-height: 1; letter-spacing: -0.03em; margin-bottom: clamp(2.5rem, 6vh, 4rem); }
.capabilities { border-top: 1px solid var(--line); }
.cap { position: relative; display: grid; grid-template-columns: 4rem minmax(0, 1fr) 1.6fr;
  gap: 1.5rem; align-items: center; padding: clamp(1.4rem, 3.5vh, 2.4rem) 0;
  border-bottom: 1px solid var(--line); overflow: hidden; transition: padding .4s var(--ease); }
.cap::before { content: ''; position: absolute; inset: 0; z-index: -1; background: var(--grad-ai);
  transform: translateY(101%); transition: transform .55s var(--ease); }
.cap__num { font-family: var(--font-mono); font-size: .85rem; color: var(--fog); transition: color .4s; }
.cap__name { font-family: var(--font-display); font-weight: 700; font-size: clamp(1.5rem, 4vw, 3rem);
  letter-spacing: -0.02em; transition: transform .5s var(--ease), color .4s; }
.cap__desc { color: var(--fog); font-size: 1rem; max-width: 42ch; transition: color .4s; opacity: .9; }
@media (hover: hover) {
  .cap:hover { padding-left: 1.5rem; padding-right: 1.5rem; }
  .cap:hover::before { transform: translateY(0); }
  .cap:hover .cap__num, .cap:hover .cap__name, .cap:hover .cap__desc { color: var(--ink); }
  .cap:hover .cap__name { transform: translateX(6px); }
}

/* =====================================================================
   5. SELECTED WORK
   ===================================================================== */
.work__title { font-family: var(--font-display); font-weight: 700; font-size: clamp(2rem, 5vw, 4.5rem);
  line-height: 1; letter-spacing: -0.03em; margin-bottom: clamp(2rem, 5vh, 3.5rem); }
.work__list { border-top: 1px solid var(--line); }
.workitem { position: relative; display: grid; grid-template-columns: 3.5rem minmax(0, 1fr) minmax(18rem, .72fr) auto minmax(8rem, auto);
  gap: 1.5rem; align-items: baseline; padding: clamp(1.6rem, 4vh, 3rem) 0;
  border-bottom: 1px solid var(--line); transition: opacity .4s; }
.workitem__index { font-family: var(--font-mono); font-size: .82rem; color: var(--fog); }
.workitem__name { font-family: var(--font-display); font-weight: 700; font-size: clamp(2rem, 6vw, 5rem);
  letter-spacing: -0.03em; line-height: 1; transition: transform .5s var(--ease); }
.workitem__meta { font-family: var(--font-mono); font-size: .8rem; line-height: 1.55; color: var(--fog); justify-self: start; }
.workitem__year { font-family: var(--font-display); font-weight: 700; font-size: .95rem; color: var(--fog); }
.workitem__url { font-size: .82rem; color: var(--fog-2); justify-self: end; }
.workitem__media { display: none; }
.project-shot {
  position: relative; width: 100%; height: 100%; min-height: 210px; overflow: hidden;
  border: 1px solid rgba(243,240,233,0.18); border-radius: 12px;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--w-a) 62%, #050509), color-mix(in srgb, var(--w-b) 50%, #050509)),
    var(--ink-2);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.14), 0 24px 80px rgba(0,0,0,0.35);
}
.project-shot img { width: 100%; height: 100%; object-fit: cover; opacity: .92; filter: saturate(1.06) contrast(1.04); }
.project-shot::after { content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 80% 10%, rgba(255,255,255,0.22), transparent 34%),
    linear-gradient(180deg, transparent 44%, rgba(5,5,9,0.72));
  pointer-events: none; }
.project-shot__label { position: absolute; left: 18px; bottom: 16px; z-index: 2;
  font-family: var(--font-display); font-weight: 700; font-size: clamp(1.2rem, 2vw, 1.8rem);
  color: #fff; text-shadow: 0 10px 30px rgba(0,0,0,0.35); }
@media (hover: hover) {
  .work__list:hover .workitem { opacity: 0.35; }
  .work__list .workitem:hover { opacity: 1; }
  .workitem:hover .workitem__name { transform: translateX(1.5rem); background: var(--grad-ai);
    -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
}
.work__preview { position: fixed; top: 0; left: 0; width: min(420px, 32vw); height: 280px; border-radius: 14px;
  z-index: 500; pointer-events: none; opacity: 0; transform: translate(-50%, -50%) scale(0.85);
  transition: opacity .4s var(--ease), transform .4s var(--ease); overflow: hidden;
  display: grid; place-items: center; font-family: var(--font-display); font-weight: 700;
  font-size: 1.6rem; color: #fff; text-shadow: 0 2px 20px rgba(0,0,0,.4); }
.work__preview.is-visible { opacity: 1; transform: translate(-50%, -50%) scale(1); }
.work__preview .project-shot { min-height: 100%; border: 0; border-radius: inherit; }

/* small-screen work media inline */
@media (hover: none), (max-width: 760px) {
  .workitem { grid-template-columns: 2.5rem 1fr; grid-auto-flow: row; row-gap: .6rem; }
  .workitem__meta { grid-column: 1 / -1; }
  .workitem__year, .workitem__url { grid-column: 1 / -1; justify-self: start; }
  .workitem__media { display: block; grid-column: 1 / -1; height: 210px; border-radius: 12px; margin-top: 1rem; }
}

/* =====================================================================
   6. PROCESS — timeline
   ===================================================================== */
.process__title { font-family: var(--font-display); font-weight: 700; font-size: clamp(2rem, 5vw, 4.5rem);
  line-height: 1; letter-spacing: -0.03em; margin-bottom: clamp(3rem, 7vh, 5rem); }
.timeline { position: relative; display: grid; gap: 0; }
.timeline::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 2px;
  background: var(--line); }
.timeline::after { content: ''; position: absolute; left: 0; top: 0; width: 2px; height: var(--tl-progress, 0%);
  background: var(--violet); transition: height .1s linear; }
.tl { position: relative; padding: clamp(2rem, 5vh, 3.4rem) 0 clamp(2rem,5vh,3.4rem) clamp(1.5rem, 4vw, 3rem);
  border-bottom: 1px solid var(--line); display: grid;
  grid-template-columns: 4.5rem minmax(0, 1.05fr) minmax(280px, .75fr);
  gap: 1.2rem clamp(1.5rem, 4vw, 4rem); align-items: start; }
.tl::before { content: ''; position: absolute; left: -5px; top: clamp(1.9rem, 4.6vh, 3rem); width: 12px; height: 12px;
  border-radius: 50%; background: var(--ink); border: 2px solid rgba(243,240,233,0.35); transition: background .4s, border-color .4s, transform .4s; }
.tl.is-active::before { background: var(--violet); border-color: var(--violet); transform: scale(1.3); }
.tl__num { font-family: var(--font-mono); font-size: .85rem; color: var(--fog-2);
  padding-top: .45rem; }
.tl__name { font-family: var(--font-display); font-weight: 700; font-size: clamp(1.8rem, 4.5vw, 3.4rem);
  line-height: .86; letter-spacing: -0.02em; grid-column: 2; max-width: 100%; }
.tl__desc { grid-column: 2; color: var(--fog); max-width: 52ch; font-size: 1.02rem; margin-top: .15rem; }
.tl__takeaway { grid-column: 3; grid-row: 1 / span 2; margin-top: 0; align-self: stretch;
  position: relative; overflow: hidden; padding: clamp(1.2rem, 2.4vw, 1.7rem); border: 1px solid var(--line); border-radius: 8px;
  background: transparent; box-shadow: none; }
.tl__takeaway span { display: block; font-family: var(--font-display); font-weight: 700; font-size: .92rem;
  text-transform: uppercase; letter-spacing: 0.03em; color: var(--fog-2); margin-bottom: .75rem; }
.tl__takeaway ul { display: grid; gap: .7rem; }
.tl__takeaway li { position: relative; padding-left: 1rem; color: var(--fog); font-size: .98rem; line-height: 1.45; }
.tl__takeaway li::before { content: ''; position: absolute; left: 0; top: .65em; width: .38rem; height: .38rem;
  border-radius: 50%; background: var(--violet); transform: translateY(-50%); }

/* =====================================================================
   7. SYNERGY
   ===================================================================== */
.synergy { overflow: hidden; }
.synergy__canvas { position: absolute; top: 0; bottom: 0; left: 50%; width: 100vw; height: 100%;
  transform: translateX(-50%); z-index: 0; opacity: .62; }
.synergy .section__head, .synergy__inner { position: relative; z-index: 2; }
.synergy__title { font-family: var(--font-display); font-weight: 800; font-size: clamp(2.4rem, 7vw, 6.5rem);
  line-height: 0.96; letter-spacing: -0.04em; margin-bottom: 2.5rem; }
.synergy__copy { max-width: 62ch; font-size: clamp(1.05rem, 1.5vw, 1.4rem); color: var(--fog); margin-bottom: 4rem; }
.synergy__split { display: grid; grid-template-columns: 1fr auto 1fr; gap: clamp(1rem, 4vw, 4rem);
  align-items: center; max-width: 900px; }
.synergy__col-label { font-family: var(--font-display); font-weight: 700; font-size: clamp(1rem, 1.3vw, 1.25rem); text-transform: uppercase;
  letter-spacing: 0.03em; color: var(--lime); display: block; margin-bottom: 1.2rem; }
.synergy__col ul li { font-family: var(--font-display); font-weight: 600; font-size: clamp(1.1rem, 2vw, 1.7rem);
  padding: .5rem 0; border-bottom: 1px solid var(--line); }
.synergy__x { font-family: var(--font-display); font-weight: 700; font-size: clamp(2rem, 5vw, 4rem);
  color: var(--violet); }

/* =====================================================================
   8. PRINCIPLES
   ===================================================================== */
.principles__title { font-family: var(--font-display); font-weight: 700; font-size: clamp(2rem, 5vw, 4.5rem);
  line-height: 1; letter-spacing: -0.03em; margin-bottom: clamp(2.5rem, 6vh, 4rem); }
.principles__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line); }
.principle { background: var(--ink); padding: clamp(1.8rem, 4vw, 3rem); min-height: 260px;
  display: flex; flex-direction: column; transition: background .4s; }
.principle:hover { background: var(--ink-2); }
.principle__idx { font-family: var(--font-display); font-weight: 700; font-size: .95rem; color: var(--lime); margin-bottom: auto; }
.principle h3 { font-family: var(--font-display); font-weight: 700; font-size: clamp(1.3rem, 2.5vw, 1.9rem);
  margin: 1.5rem 0 .8rem; letter-spacing: -0.02em; }
.principle p { color: var(--fog); font-size: .98rem; }
.principle--quote { background: transparent; grid-column: span 1; justify-content: center; }
.principle--quote blockquote { font-family: var(--font-display); font-weight: 600; font-style: italic;
  font-size: clamp(1.2rem, 2vw, 1.6rem); line-height: 1.25; margin-bottom: 1rem; }
.principle--quote cite { font-family: var(--font-mono); font-size: .8rem; color: var(--fog); font-style: normal; }

/* =====================================================================
   9. INSIGHTS
   ===================================================================== */
.insights__head { display: flex; align-items: flex-end; justify-content: space-between; gap: 2rem;
  margin-bottom: clamp(2.5rem, 6vh, 4rem); flex-wrap: wrap; }
.insights__title { font-family: var(--font-display); font-weight: 700; font-size: clamp(2rem, 5vw, 4.5rem);
  line-height: 1; letter-spacing: -0.03em; }
.insights__all { font-family: var(--font-mono); font-size: .9rem; border-bottom: 1px solid currentColor; padding-bottom: .2rem; }
.insights__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.article { border: 1px solid rgba(8,8,11,0.14); border-radius: 18px; padding: clamp(1.5rem, 3vw, 2.2rem);
  min-height: 320px; display: flex; flex-direction: column; transition: transform .5s var(--ease), background .5s, color .5s;
  background: rgba(8,8,11,0.015); }
.article:hover { transform: translateY(-10px); background: var(--ink); color: var(--paper); border-color: var(--ink); }
.article__tag { font-family: var(--font-mono); font-size: .72rem; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--violet); padding: .3rem .7rem; border: 1px solid currentColor; border-radius: 100px; align-self: flex-start; }
.article:hover .article__tag { color: var(--lime); }
.article__title { font-family: var(--font-display); font-weight: 700; font-size: clamp(1.3rem, 2vw, 1.7rem);
  line-height: 1.1; letter-spacing: -0.02em; margin: auto 0 1rem; }
.article__meta { font-family: var(--font-mono); font-size: .78rem; opacity: .55; }

/* =====================================================================
   10. CONTACT
   ===================================================================== */
.contact { overflow: hidden; }
.contact__glow { position: absolute; z-index: 0; width: 70vw; height: 70vw; left: 50%; top: 30%;
  transform: translateX(-50%); background: radial-gradient(circle, rgba(109,91,255,0.22), transparent 60%);
  filter: blur(60px); pointer-events: none; }
.contact .section__head, .contact__title, .contact__inner { position: relative; z-index: 2; }
.contact__title { font-family: var(--font-display); font-weight: 800; font-size: clamp(2.8rem, 11vw, 11rem);
  line-height: 0.9; letter-spacing: -0.045em; margin-bottom: clamp(3rem, 8vh, 6rem); }
.contact__title .line { display: block; overflow: hidden; }
.contact__title em { font-style: italic; color: var(--lime); }
.contact__title [data-split] { display: inline-block; }
.contact__inner { display: grid; grid-template-columns: 1.4fr 1fr; gap: clamp(2rem, 6vw, 6rem); align-items: start; }

.form { display: flex; flex-direction: column; gap: 2rem; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.field { position: relative; }
.field input, .field textarea { width: 100%; background: transparent; border: 0; color: var(--paper);
  font-family: var(--font-body); font-size: 1.1rem; padding: .8rem 0; resize: none; cursor: none; }
.field input:focus, .field textarea:focus { outline: none; }
.field label { position: absolute; left: 0; top: .8rem; color: var(--fog); font-size: 1.1rem;
  pointer-events: none; transition: transform .3s var(--ease), font-size .3s var(--ease), color .3s; }
.field label span { font-size: .8rem; opacity: .6; }
.field input:focus + label, .field input:not(:placeholder-shown) + label,
.field textarea:focus + label, .field textarea:not(:placeholder-shown) + label {
  transform: translateY(-1.6rem); font-size: .78rem; color: var(--lime); }
.field__line { position: absolute; left: 0; bottom: 0; height: 1px; width: 100%; background: var(--line); }
.field__line::after { content: ''; position: absolute; inset: 0; background: var(--grad-ai);
  transform: scaleX(0); transform-origin: left; transition: transform .5s var(--ease); }
.field input:focus ~ .field__line::after, .field textarea:focus ~ .field__line::after { transform: scaleX(1); }
.form__status { font-family: var(--font-mono); font-size: .85rem; color: var(--lime); min-height: 1.2em; }

.contact__aside { display: flex; flex-direction: column; gap: 2.5rem; }
.contact__block { display: flex; flex-direction: column; gap: .5rem; }
.contact__label { font-family: var(--font-display); font-weight: 700; font-size: .95rem; text-transform: uppercase;
  letter-spacing: 0.03em; color: var(--fog); }
.contact__block a { font-family: var(--font-display); font-weight: 600; font-size: 1.3rem; letter-spacing: -0.01em;
  width: fit-content; position: relative; }
.contact__block a::after { content: ''; position: absolute; left: 0; bottom: -2px; height: 1px; width: 0;
  background: var(--lime); transition: width .35s var(--ease); }
.contact__block a:hover::after { width: 100%; }
.contact__socials { display: flex; flex-wrap: wrap; gap: 1.2rem; }
.contact__socials a { font-size: 1rem; }

/* =====================================================================
   Footer
   ===================================================================== */
.footer { position: relative; overflow: hidden; padding: clamp(4rem, 10vh, 8rem) var(--pad-x) 2rem;
  border-top: 1px solid var(--line); width: 100%; }
.footer::before { content: ''; position: absolute; inset: auto -10vw -35vw auto; width: 70vw; height: 70vw;
  border-radius: 50%; background: radial-gradient(circle, rgba(194,255,61,0.12), transparent 62%);
  pointer-events: none; }
.footer__top { position: relative; display: grid; grid-template-columns: auto 1fr; align-items: end;
  gap: clamp(1rem, 3vw, 2.5rem); max-width: var(--maxw); margin-inline: auto;
  padding-bottom: clamp(3rem, 9vh, 6rem); }
.footer__mark { grid-row: span 2; align-self: start; color: var(--lime);
  font-size: clamp(2rem, 8vw, 7rem); line-height: .8; animation: spin 18s linear infinite; }
.footer__brand { font-family: var(--font-display); font-weight: 800; font-size: clamp(4rem, 18vw, 18rem);
  line-height: .72; letter-spacing: -0.06em; text-transform: uppercase; }
.footer__tag { max-width: 18ch; justify-self: end; transform: rotate(-2deg);
  font-family: var(--font-display); font-weight: 700; font-size: clamp(1.25rem, 3vw, 2.7rem);
  line-height: .95; letter-spacing: -0.03em; color: var(--paper); }
.footer__bottom { position: relative; max-width: var(--maxw); margin-inline: auto;
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 1rem;
  padding-top: 1.2rem; border-top: 1px solid var(--line); font-family: var(--font-mono); font-size: .78rem; color: var(--fog); }
.footer__bottom span:nth-child(2) { justify-self: center; color: var(--fog-2); }
.footer__bottom a { justify-self: end; color: var(--lime); }

/* =====================================================================
   Reveal animation states
   ===================================================================== */
[data-reveal] { opacity: 0; transform: translateY(28px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
[data-reveal].is-in { opacity: 1; transform: none; }

[data-reveal-lines] { }
.reveal-line { display: block; overflow: hidden; }
.reveal-line > span { display: inline-block; transform: translateY(105%); transition: transform .8s var(--ease); }
[data-reveal-lines].is-in .reveal-line > span { transform: translateY(0); }

.cap, .workitem, .tl, .principle, .article { opacity: 0; transform: translateY(24px);
  transition: opacity .8s var(--ease), transform .8s var(--ease); }
.is-in.cap, .is-in.workitem, .is-in.tl, .is-in.principle, .is-in.article,
.cap.is-in, .workitem.is-in, .tl.is-in, .principle.is-in, .article.is-in { opacity: 1; transform: none; }

/* =====================================================================
   Responsive
   ===================================================================== */
@media (max-width: 900px) {
  .problem__grid, .problem__stats, .principles__grid, .insights__grid,
  .synergy__split, .contact__inner { grid-template-columns: 1fr; }
  .hero__inner { padding-top: 6.5rem; }
  .hero__foot { align-items: flex-start; }
  .principles__grid { gap: 1px; }
  .synergy__x { justify-self: center; transform: rotate(90deg); }
  .cap { grid-template-columns: 3rem 1fr; }
  .cap__desc { grid-column: 2; }
  .tl { grid-template-columns: 3rem 1fr; }
  .tl__takeaway { grid-column: 2; grid-row: auto; margin-top: .4rem; }
  .form__row { grid-template-columns: 1fr; }
  .triad__plus, .triad__equals { transform: rotate(90deg); width: 100%; text-align: center; }
  .triad { flex-direction: column; }
}
@media (max-width: 560px) {
  .section { padding-block: clamp(4rem, 10vh, 6rem); }
  .hero { min-height: 96svh; padding-bottom: 4rem; }
  .hero__title { font-size: clamp(3rem, 15vw, 5.6rem); line-height: .9; margin-bottom: 2rem; }
  .hero__lede { max-width: 30ch; }
  .btn { width: 100%; justify-content: center; padding-inline: 1.2rem; }
  .btn__label { white-space: normal; text-align: center; }
  .hero__scroll { display: none; }
  .problem__stats { gap: 2.5rem; }
  .section__head { flex-wrap: wrap; }
  .statement, .build__title, .process__title, .work__title, .principles__title {
    font-size: clamp(2.3rem, 12vw, 4rem);
  }
  .cap { grid-template-columns: 1fr; gap: .7rem; }
  .cap__desc { grid-column: 1; }
  .workitem__name { font-size: clamp(2rem, 13vw, 3.6rem); }
  .tl { grid-template-columns: 1fr; padding-left: 1.5rem; }
  .tl__num, .tl__name, .tl__desc, .tl__takeaway { grid-column: 1; }
  .tl__name { max-width: 100%; }
  .tl__num { padding-top: 0; }
  .contact__title { font-size: clamp(3.2rem, 16vw, 5.8rem); }
  .footer__top { grid-template-columns: 1fr; align-items: start; }
  .footer__mark { grid-row: auto; }
  .footer__tag { justify-self: start; transform: none; }
  .footer__bottom { grid-template-columns: 1fr; align-items: start; }
  .footer__bottom span:nth-child(2), .footer__bottom a { justify-self: start; }
}

/* =====================================================================
   Reduced motion
   ===================================================================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important;
    transition-duration: .001ms !important; scroll-behavior: auto !important; }
  [data-reveal], .cap, .workitem, .tl, .principle, .article { opacity: 1 !important; transform: none !important; }
  .reveal-line > span { transform: none !important; }
  .hero__title [data-split], .loader { }
}