/* OneClient homepage — EN/desktop-first */
@import url('../../colors_and_type.css');

/* ---- Contrast overrides (higher-end monitors) ---- */
:root {
  --bg-1: #0f0f0f;          /* card surface */
  --border: #2a2a2a;        /* card & section borders */
  --border-strong: #4a4a4a; /* hover */
  --divider: #1f1f1f;       /* section dividers */
  --ease-soft: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ---------------- Page-wide animated network (single fixed canvas) ---------------- */
.page-network {
  position: fixed; inset: 0;
  width: 100vw; height: 100vh;
  z-index: 0;
  pointer-events: none;
  will-change: transform;
}
@media (prefers-reduced-motion: reduce) {
  .page-network { display: none; }
}

/* ---------------- Reveal primitive ---------------- */
.reveal { opacity: 0; transform: translate3d(0, var(--reveal-y, 40px), 0); transition: opacity 800ms var(--ease-soft), transform 800ms var(--ease-soft); will-change: opacity, transform; }
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
  .drift, .marquee-track, .signal-track, .hero-mark, .engine-node, .engine-orbit, .engine-link, .engine-svg, .final-text, .cap .num, .cap-body, .vert-card-wrap, .article-wrap { animation: none !important; transition: none !important; }
}

/* ---------------- Scroll progress ---------------- */
.scroll-progress { position: fixed; top: 0; left: 0; right: 0; height: 2px; background: #2a2a2a; z-index: 60; pointer-events: none; }
.scroll-progress__bar { height: 100%; background: #ffffff; transform-origin: 0 50%; transform: scaleX(0); will-change: transform; transition: transform 80ms linear; }

*,*::before,*::after { box-sizing: border-box; }
html,body { margin:0; padding:0; background:var(--bg-0); color:var(--fg-1); font-family:var(--font-sans); }
body { overflow-x: hidden; }
a { color: inherit; text-decoration: none; border: 0; }

/* --- Noise texture --- */
body::before {
  content:''; position:fixed; inset:0; pointer-events:none; z-index:1;
  opacity:0.035; mix-blend-mode:overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='120' height='120'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/></filter><rect width='100%' height='100%' filter='url(%23n)' opacity='0.5'/></svg>");
}

/* ---------------- Shell ---------------- */
.wrap { max-width: 1240px; margin: 0 auto; padding: 0 40px; position: relative; z-index: 2; }
section { position: relative; z-index: 2; }
.eyebrow { font-size:12px; letter-spacing:0.14em; text-transform:uppercase; color:var(--fg-2); font-weight:500; }
.h-xl { font-size:56px; line-height:1.06; letter-spacing:-0.03em; font-weight:500; color:var(--fg-0); margin:0; }
.h-lg { font-size:44px; line-height:1.08; letter-spacing:-0.025em; font-weight:500; color:var(--fg-0); margin:0; }
.p-lead { font-size:18px; color:var(--fg-2); line-height:1.5; max-width:62ch; }

/* ---------------- Nav ---------------- */
.nav {
  position: sticky; top:0; z-index:20;
  height:68px; display:flex; align-items:center; gap:40px;
  padding: 0 40px;
  background: rgba(7,7,7,0.72);
  backdrop-filter: blur(16px) saturate(1.1);
  border-bottom: 1px solid transparent;
  transition: border-color 200ms var(--ease-out);
}
.nav.is-scrolled { border-bottom-color: var(--border); }
.nav-inner { max-width:1240px; margin:0 auto; width:100%; display:flex; align-items:center; gap:40px; }
.brand { display:inline-flex; align-items:center; gap:10px; color:var(--fg-0); }
.brand .wm { font-weight:500; letter-spacing:-0.02em; font-size:16px; }
.brand .wm b { font-weight:600; } .brand .wm span { font-weight:300; }
.nav-links { display:flex; gap:28px; font-size:13px; margin:0 auto; }
.nav-links a { color:var(--fg-2); transition: color 150ms var(--ease-out); }
.nav-links a:hover, .nav-links a.is-active { color:var(--fg-0); }
.nav-right { display:flex; gap:18px; align-items:center; font-size:13px; color:var(--fg-2); }
.lang { display:inline-flex; gap:6px; font-family:var(--font-mono); font-size:12px; color:var(--fg-mute); }
.lang b { color:var(--fg-0); font-weight:500; }
.nav-contact { color:var(--fg-0); }
.nav-contact:hover { opacity:0.75; }

.menu-btn { display:none; background:none; border:0; color:var(--fg-0); cursor:pointer; padding:4px; }

/* ---------------- Hero ---------------- */
.hero {
  min-height: calc(100vh - 68px);
  display: flex; align-items: center; justify-content: center;
  padding: 80px 40px 120px;
  text-align: center;
  position: relative;
}
.hero-inner { max-width: 1040px; width:100%; }
.type-line { font-size: clamp(44px, 7vw, 88px); line-height:1.02; letter-spacing:-0.035em; font-weight:500; color:var(--fg-0); margin:0; min-height:1.02em; }
.type-line + .type-line { margin-top: 6px; }
.caret { display:inline-block; width:4px; height:0.72em; background:#ffffff; vertical-align:baseline; animation: blink 1s steps(2, jump-none) infinite; margin-left:0; transform:translateY(0.04em); }
.caret--solid { animation: none; }
@keyframes blink { 0%, 49.999% { opacity: 1; } 50%, 100% { opacity: 0; } }
.hero-sub { font-size: clamp(16px, 1.4vw, 20px); color: var(--fg-2); margin-top: 36px; opacity: 0; transition: opacity 800ms var(--ease-out); max-width: 56ch; margin-left:auto; margin-right:auto; }
.hero-sub.show { opacity: 1; }

/* --- hero chromatic mark — RGB channel split on the paths --- */
.hero-mark {
  width: clamp(80px, 10vw, 140px);
  height: clamp(80px, 10vw, 140px);
  margin: 0 auto 48px;
  position: relative;
  display: grid;
  place-items: center;
}
.hero-mark .ch {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  mix-blend-mode: screen;
  will-change: transform;
}
.hero-mark .ch svg { width: 100%; height: 100%; display: block; }
.hero-mark .ch-w { color: #ffffff; z-index: 3; }
.hero-mark .ch-r { color: #ff2a40; z-index: 2; animation: caR 3.2s var(--ease-out) infinite alternate; }
.hero-mark .ch-g { color: #23ff8a; z-index: 2; animation: caG 3.2s var(--ease-out) infinite alternate; opacity: 0.75; }
.hero-mark .ch-b { color: #2aa8ff; z-index: 2; animation: caB 3.2s var(--ease-out) infinite alternate; }
@keyframes caR { 0% { transform: translate(-2.5px, -1px); } 50% { transform: translate(-3.5px, 0.5px); } 100% { transform: translate(-1.5px, -2px); } }
@keyframes caG { 0% { transform: translate(0.5px, 2px); }    50% { transform: translate(-0.5px, 3px); }   100% { transform: translate(1px, 1.5px); } }
@keyframes caB { 0% { transform: translate(2.5px, -0.5px); } 50% { transform: translate(3.5px, 1px); }    100% { transform: translate(1.5px, 2.5px); } }

/* ---------------- Hero background removed — handled by global PageNetwork ---------------- */
.hero-inner { position: relative; z-index: 1; }
.hero-mark { animation: markFloat 4s ease-in-out infinite; }
@keyframes markFloat {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-3px); }
}

/* ---------------- Thesis ---------------- */
.thesis { padding: 200px 40px; border-top: 1px solid var(--divider); }
.thesis-inner { max-width: 900px; margin: 0 auto; text-align: center; }
.thesis .eyebrow { display: block; margin-bottom: 32px; }
.thesis h2 {
  font-size: clamp(40px, 5vw, 64px);
  line-height: 1.12;
  letter-spacing: -0.025em;
  font-weight: 500;
  color: var(--fg-0);
  margin: 0 auto;
  max-width: 20ch;
  text-wrap: balance;
}

/* ---------------- Engine ---------------- */
.engine { padding: 160px 40px; border-top: 1px solid var(--divider); }
.engine-head { max-width: 720px; margin-bottom: 72px; }
.engine-head p { margin-top: 20px; }
.diagram { position: relative; height: 680px; display:flex; align-items:center; justify-content:center; will-change: transform; }
.diagram svg { width: 100%; height: 100%; max-width: 1060px; overflow: visible; }
.node-center { fill: var(--fg-0); }
.node-center-glow { fill: url(#emberGlow); opacity: 0.8; }
.node-center-ring { fill: none; stroke: var(--fg-0); stroke-opacity: 0.35; }
.node-ring { fill: none; stroke: var(--border-strong); }
.orbit { fill: none; stroke: var(--border-strong); stroke-dasharray: 1 6; }
.link { stroke: var(--border-strong); stroke-width: 1; fill: none; }
.pulse { stroke: var(--fg-0); stroke-width: 1.4; fill: none; stroke-linecap: round; }
.node-dot { fill: var(--bg-0); stroke: var(--fg-1); stroke-width: 1.2; }
.node-label { fill: var(--fg-1); font-family: var(--font-sans); font-size: 13px; font-weight: 500; letter-spacing: -0.01em; }
.engine-label { fill: #070707; font-family: var(--font-sans); font-size: 12px; font-weight: 700; letter-spacing: 0.2em; }

/* ---------------- Engine assembly ---------------- */
.engine-svg .engine-center { opacity: 0; transition: opacity 600ms var(--ease-soft); }
.engine-svg.is-assembled .engine-center { opacity: 1; }
/* Orbit: dash-draw effect via dashoffset (dashoffset goes 0 when drawn). Override the dot-dashed base style while assembling. */
.engine-svg .engine-orbit { stroke-dasharray: inherit; }
.engine-svg .engine-orbit { opacity: 0; transition: opacity 900ms var(--ease-soft); }
.engine-svg.is-assembled .engine-orbit { opacity: 1; }
.engine-svg .engine-link  { stroke-dashoffset: 600; opacity: 0; transition: stroke-dashoffset 700ms var(--ease-soft), opacity 400ms var(--ease-soft); }
.engine-svg.is-assembled .engine-link  { stroke-dashoffset: 0; opacity: 1; }
.engine-svg .engine-node  { opacity: 0; transform: scale(0.5); transition: opacity 380ms var(--ease-soft), transform 380ms var(--ease-soft); }
.engine-svg.is-assembled .engine-node  { opacity: 1; transform: scale(1); }

/* ---------------- Thesis parts ---------------- */
.thesis h2 .thesis-part { display: inline; }

/* ---------------- Capability card progressive reveal ---------------- */
.cap .num { opacity: 0; transform: translateY(8px); animation: capIn 500ms var(--ease-soft) forwards; animation-play-state: paused; }
.cap .cap-body { opacity: 0; transform: translateY(10px); animation: capIn 500ms var(--ease-soft) forwards; animation-play-state: paused; }
.reveal.is-in .cap .num, .reveal.is-in .cap .cap-body { animation-play-state: running; }
@keyframes capIn { to { opacity: 1; transform: none; } }

/* ---------------- Vertical card hover lift ---------------- */
.vert-card-wrap { height: 100%; }
.vert-card-wrap .vert-card { height: 100%; }
.vert-card { transition: border-color 250ms var(--ease-soft), transform 250ms var(--ease-soft), background 250ms var(--ease-soft); }
.vert-card:hover { transform: translateY(-2px); border-color: var(--border-strong); background: #161616; }

/* ---------------- Verticals (unified grid) ---------------- */
.verticals { padding: 140px 40px; border-top: 1px solid var(--divider); }
.verticals-head { margin-bottom: 56px; max-width: 720px; }
.vert-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}
.vert-card {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 28px;
  min-height: 160px;
  display: flex; flex-direction: column; gap: 10px;
  transition: border-color 200ms var(--ease-out), transform 200ms var(--ease-out), background 200ms var(--ease-out);
}
.vert-card:hover { border-color: var(--border-strong); transform: scale(1.01); background: #161616; }
.vert-card .name { font-size: 22px; font-weight: 600; color: var(--fg-0); letter-spacing: -0.02em; }
.vert-card .desc { font-size: 14px; color: var(--fg-2); line-height: 1.5; }

/* ---------------- Capabilities ---------------- */
.caps { padding: 140px 40px; border-top: 1px solid var(--divider); }
.caps-head { margin-bottom: 64px; max-width: 780px; }
.caps-head p { margin-top: 20px; }
.cap-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.cap {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 28px;
  min-height: 180px;
}
.cap .num { font-family: var(--font-mono); font-size: 12px; color: var(--fg-mute); letter-spacing: 0.1em; }
.cap .t { font-size: 20px; color: var(--fg-0); font-weight: 500; margin: 16px 0 8px; letter-spacing:-0.02em; }
.cap .d { font-size: 14px; color: var(--fg-2); line-height: 1.55; }

/* ---------------- Text link (used by Signal + FinalMoment) ---------------- */
.text-link { color: var(--fg-0); font-size: 15px; display: inline-flex; align-items: center; gap: 8px; }
.text-link .arr { transition: transform 180ms var(--ease-out); }
.text-link:hover .arr { transform: translateX(4px); }

/* ---------------- Stack marquee ---------------- */
.stack { padding: 120px 0; border-top: 1px solid var(--divider); overflow: hidden; }
.stack-head { padding: 0 40px; max-width: 1240px; margin: 0 auto 56px; }
.marquee { position: relative; overflow: hidden; mask-image: linear-gradient(to right, transparent, #000 10%, #000 90%, transparent); }
.marquee-track { display: inline-flex; gap: 64px; animation: scroll 90s linear infinite; white-space: nowrap; }
.marquee-track span { font-size: 22px; color: var(--fg-2); font-weight: 500; letter-spacing: -0.01em; padding-right: 64px; }
@keyframes scroll { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---------------- Signal (carousel) ---------------- */
.signal { padding: 140px 0 140px; border-top: 1px solid var(--divider); }
.signal-head { display: flex; justify-content: space-between; align-items: flex-end; margin: 0 auto 56px; padding: 0 40px; max-width: 1240px; }
.signal-head h2 { max-width: 22ch; }
.signal-viewport { overflow: hidden; mask-image: linear-gradient(to right, transparent, #000 5%, #000 95%, transparent); padding: 4px 0; }
.signal-track { display: inline-flex; gap: 20px; padding-left: 40px; animation: signalScroll 80s linear infinite; white-space: nowrap; }
.signal:hover .signal-track { animation-play-state: paused; }
@keyframes signalScroll { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.article {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  width: 380px; flex: 0 0 380px;
  display: flex; flex-direction: column;
  transition: border-color 200ms var(--ease-out);
  overflow: hidden;
  white-space: normal;
}
.article:hover { border-color: var(--border-strong); }
.article-cover { aspect-ratio: 16 / 9; background: #111; border-bottom: 1px solid var(--border); position: relative; overflow: hidden; }
.article-cover svg { width: 100%; height: 100%; display: block; }
.article-body { padding: 24px 26px 26px; display: flex; flex-direction: column; gap: 14px; min-height: 160px; }
.article .date { font-size: 12px; color: var(--fg-2); letter-spacing: 0.02em; }
.article .title { font-size: 19px; color: var(--fg-0); font-weight: 500; letter-spacing: -0.015em; line-height: 1.3; text-wrap: balance; }
.article .read { margin-top: auto; font-size: 12px; color: var(--fg-2); }

/* ---------------- Final moment ---------------- */
.final {
  min-height: 80vh; display: flex; align-items: center; justify-content: center;
  text-align: center; padding: 140px 40px; position: relative; overflow: hidden;
  border-top: 1px solid var(--divider);
}
.final-text { opacity: 0; transform: translate3d(0, 16px, 0) scale(0.96); letter-spacing: 0.02em; transition: opacity 900ms var(--ease-soft), transform 900ms var(--ease-soft), letter-spacing 900ms var(--ease-soft); }
.final-text.is-in { opacity: 1; transform: none; letter-spacing: -0.03em; }
.final-text .final-link { opacity: 0; transform: translateY(8px); transition: opacity 600ms var(--ease-soft) 400ms, transform 600ms var(--ease-soft) 400ms; }
.final-text.is-in .final-link { opacity: 1; transform: none; }
.final h2 { font-size: clamp(40px, 5.2vw, 72px); line-height: 1.08; letter-spacing: inherit; font-weight: 500; color: var(--fg-0); margin: 0 auto 36px; max-width: 18ch; }
.final-link { color: var(--fg-0); font-size: 16px; display: inline-flex; align-items: center; gap: 10px; }
.final-link .arr { transition: transform 180ms var(--ease-out); }
.final-link:hover .arr { transform: translateX(4px); }

/* ---------------- Footer ---------------- */
.footer { border-top: 1px solid var(--border); padding: 72px 40px 40px; }
.footer-inner { max-width: 1240px; margin: 0 auto; }
.footer-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 48px; padding-bottom: 56px; }
.footer-cols h4 { font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--fg-2); font-weight: 500; margin: 0 0 18px; }
.footer-cols a, .footer-cols li { display: block; color: var(--fg-2); font-size: 14px; margin-top: 10px; line-height: 1.35; }
.footer-cols a:hover { color: var(--fg-0); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 28px; border-top: 1px solid var(--border);
  font-size: 12px; color: var(--fg-mute);
}
.footer-bottom .right { display: flex; gap: 24px; }
.footer-bottom .right a { color: var(--fg-2); }
.footer-bottom .right a:hover { color: var(--fg-0); }

/* ---------------- Floating chat ---------------- */
.chat-btn {
  position: fixed; right: 32px; bottom: 32px; z-index: 40;
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--bg-0); border: 1px solid var(--border-strong);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: transform 180ms var(--ease-out), border-color 180ms var(--ease-out);
  box-shadow: 0 8px 24px rgba(0,0,0,0.55);
}
.chat-btn:hover { transform: scale(1.05); border-color: var(--fg-2); }
.chat-btn .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--fg-0); animation: pulse 1.6s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity: 0.3; transform: scale(0.8); } 50% { opacity: 1; transform: scale(1.1); } }

.chat-bubble {
  position: fixed; right: 32px; bottom: 104px; z-index: 40;
  max-width: 280px;
  background: #1c1c1c; border: 1px solid var(--border-strong); border-radius: 6px;
  padding: 14px 16px; color: var(--fg-1); font-size: 13px; line-height: 1.45;
  box-shadow: var(--shadow-pop);
  animation: bubbleIn 320ms var(--ease-out);
  cursor: pointer;
}
.chat-bubble::after {
  content: ''; position: absolute; right: 22px; bottom: -6px;
  width: 10px; height: 10px; background: #1c1c1c;
  border-right: 1px solid var(--border-strong); border-bottom: 1px solid var(--border-strong);
  transform: rotate(45deg);
}
@keyframes bubbleIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

.chat-panel {
  position: fixed; top: 0; right: 0; bottom: 0; width: 400px; z-index: 50;
  background: #0a0a0a; border-left: 1px solid var(--border-strong);
  transform: translateX(100%); transition: transform 360ms var(--ease-out);
  display: flex; flex-direction: column;
}
.chat-panel.open { transform: none; }
.chat-head { display: flex; align-items: center; justify-content: space-between; padding: 20px 24px; border-bottom: 1px solid var(--border); }
.chat-head .t { color: var(--fg-0); font-weight: 500; letter-spacing: -0.015em; }
.chat-close { background: none; border: 0; color: var(--fg-2); cursor: pointer; font-size: 20px; }
.chat-body { flex: 1; overflow: auto; padding: 24px; display: flex; flex-direction: column; gap: 14px; }
.chat-msg { background: var(--bg-1); border: 1px solid var(--border); border-radius: 4px; padding: 14px 16px; font-size: 14px; color: var(--fg-1); line-height: 1.5; max-width: 86%; }
.chat-msg.me { align-self: flex-end; background: var(--fg-0); color: var(--bg-0); border-color: var(--fg-0); }
.chat-foot { padding: 16px 20px; border-top: 1px solid var(--border); }
.chat-input {
  width: 100%; background: var(--bg-1); color: var(--fg-0);
  border: 1px solid var(--border-strong); border-radius: 4px;
  padding: 10px 12px; font-family: inherit; font-size: 14px;
  outline: none;
}

/* ---------------- Responsive ---------------- */
@media (max-width: 1100px) {
  .vert-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 860px) {
  .wrap, .nav, .hero, .thesis, .engine, .verticals, .caps, .signal, .final, .footer { padding-left: 20px; padding-right: 20px; }
  .signal-head { padding-left: 20px; padding-right: 20px; }
  .signal-track { padding-left: 20px; }
  .nav-links { display: none; }
  .menu-btn { display: inline-flex; margin-left: auto; }
  .nav-right { display: none; }
  .hero { padding-top: 48px; padding-bottom: 72px; }
  .type-line { font-size: clamp(36px, 10vw, 48px); }
  .thesis h2 { font-size: 36px; }
  .engine-head h2, .verticals-head h2, .caps-head h2, .stack-head h2, .signal-head h2 { font-size: 32px; }
  .vert-grid, .cap-grid { grid-template-columns: 1fr; }
  .footer-cols { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 12px; align-items: flex-start; }
  .signal-head { flex-direction: column; align-items: flex-start; gap: 18px; }
  .chat-panel { width: 100%; }
  .diagram { height: 640px; }
  .diagram svg { max-width: 100%; }
  .article { width: 86vw; flex-basis: 86vw; }
}