/* ============================================================
   Deep Platforms — Corporate Website
   Dark-Teal Design System · self-hosted fonts · no dependencies
   ============================================================ */

@font-face {
  font-family: "Plus Jakarta Sans";
  src: url("/static/fonts/plus-jakarta-sans-var.woff2") format("woff2");
  font-weight: 200 800;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Cormorant Garamond";
  src: url("/static/fonts/cormorant-garamond-italic-var.woff2") format("woff2");
  font-weight: 300 700;
  font-style: italic;
  font-display: swap;
}

:root {
  --bg: #061214;
  --bg-alt: #081a1e;
  --panel: #0b2026;
  --card: #0c2229;
  --card-hover: #0f2a32;
  --line: rgba(110, 220, 200, 0.10);
  --line-strong: rgba(110, 220, 200, 0.22);
  --accent: #35f0d2;
  --accent-strong: #57ffe3;
  --accent-deep: #14b89d;
  --accent-soft: rgba(53, 240, 210, 0.10);
  --warm: #ff7a5c;
  --amber: #f6c85f;
  --violet: #8d7bff;
  --text: #eefaf7;
  --muted: #92b3ad;
  --muted-2: #6d8d88;
  --sans: "Plus Jakarta Sans", -apple-system, "Segoe UI", Roboto, sans-serif;
  --serif: "Cormorant Garamond", Georgia, serif;
  --radius: 8px;
  --radius-sm: 6px;
  --shadow: 0 24px 80px -24px rgba(0, 0, 0, 0.7);
  --glow: 0 0 60px -12px rgba(53, 240, 210, 0.35);
  --header-h: 76px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16.5px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}
body.nav-open { overflow: hidden; }

::selection { background: var(--accent); color: #06221d; }

img { max-width: 100%; height: auto; }
a { color: inherit; }

.container {
  width: min(1180px, 100% - 48px);
  margin-inline: auto;
}

.hidden { display: none !important; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: #06221d;
  padding: 10px 18px;
  border-radius: 0 0 12px 0;
  font-weight: 700;
  z-index: 200;
}
.skip-link:focus { left: 0; }

/* ---------- Typography ---------- */
.display {
  font-weight: 750;
  letter-spacing: -0.025em;
  line-height: 1.04;
  margin: 0;
  text-wrap: balance;
}
h1.display { font-size: clamp(2.5rem, 6.4vw, 4.75rem); }
h2.display { font-size: clamp(1.9rem, 4.2vw, 3.1rem); }
.display-sm {
  font-size: clamp(1.4rem, 2.6vw, 1.9rem);
  font-weight: 730;
  letter-spacing: -0.02em;
  margin: 0;
}

.serif {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 520;
  letter-spacing: 0;
}
em.serif { font-size: 1.09em; line-height: 1; }
em.serif.accent, .serif.accent {
  color: var(--accent);
  text-shadow: 0 0 32px rgba(53, 240, 210, 0.35);
}

.eyebrow {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 18px;
}

.section { padding: clamp(72px, 9vw, 128px) 0; position: relative; }
.section-alt {
  background:
    linear-gradient(135deg, rgba(53, 240, 210, 0.045), transparent 38%),
    linear-gradient(0deg, rgba(255, 122, 92, 0.025), transparent 52%),
    var(--bg-alt);
  border-block: 1px solid var(--line);
}
.section-head { max-width: 720px; margin-bottom: clamp(40px, 5vw, 64px); }
.section-sub { color: var(--muted); font-size: 1.06rem; margin: 18px 0 0; }
.section-more { margin-top: 48px; text-align: center; }
.other-head { margin-top: clamp(72px, 9vw, 112px); }

/* ---------- Buttons ---------- */
.btn {
  --mx: 0px; --my: 0px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 26px;
  border-radius: 99px;
  border: 1px solid transparent;
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.01em;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease),
              background 0.25s ease, border-color 0.25s ease, color 0.25s ease;
  transform: translate(var(--mx), var(--my));
  will-change: transform;
}
.btn-lg { padding: 16px 32px; font-size: 16px; }
.btn-sm { padding: 9px 18px; font-size: 13.5px; }
.btn-primary {
  background: linear-gradient(120deg, var(--accent) 0%, var(--accent-strong) 100%);
  color: #04211c;
  box-shadow: 0 10px 34px -12px rgba(53, 240, 210, 0.55);
}
.btn-primary:hover {
  box-shadow: 0 16px 44px -10px rgba(53, 240, 210, 0.7);
}
.btn-ghost {
  border-color: var(--line-strong);
  color: var(--text);
  background: rgba(255, 255, 255, 0.02);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }
.btn-dark {
  background: #06221d;
  color: var(--accent);
  box-shadow: 0 14px 40px -18px rgba(0, 0, 0, 0.6);
}
.btn-dark:hover { background: #041a16; }
.btn-arrow { display: inline-block; transition: transform 0.3s var(--ease); }
.btn:hover .btn-arrow, .card-link:hover .btn-arrow { transform: translateX(5px); }

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent);
  font-weight: 700;
  font-size: 14.5px;
  text-decoration: none;
}
.card-link:hover { color: var(--accent-strong); }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(6, 18, 20, 0.82);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  backdrop-filter: blur(18px) saturate(150%);
  border-bottom: 1px solid var(--line);
}
.site-header.scrolled {
  background: rgba(6, 18, 20, 0.82);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  backdrop-filter: blur(18px) saturate(150%);
  border-bottom-color: var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 12px;
  text-decoration: none;
  color: var(--text);
}
.brand-mark {
  font-weight: 800;
  font-size: 22px;
  letter-spacing: -0.03em;
  line-height: 1;
}
.brand-mark i { font-style: normal; color: var(--accent); }
.brand-name {
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--muted);
}

.main-nav { display: flex; align-items: center; gap: 28px; }
.main-nav > a {
  position: relative;
  color: var(--muted);
  text-decoration: none;
  font-size: 14.5px;
  font-weight: 600;
  padding: 6px 0;
  transition: color 0.25s ease;
}
.main-nav > a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%; bottom: 0;
  height: 2px;
  background: var(--accent);
  transition: right 0.35s var(--ease);
}
.main-nav > a:hover, .main-nav > a[aria-current] { color: var(--text); }
.main-nav > a:hover::after, .main-nav > a[aria-current]::after { right: 0; }

.nav-extra { display: flex; align-items: center; gap: 20px; margin-left: 12px; }
.lang-switch {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
  color: var(--muted-2);
}
.lang-switch a { color: var(--muted-2); text-decoration: none; padding: 4px 2px; transition: color 0.2s; }
.lang-switch a:hover { color: var(--text); }
.lang-switch a.active { color: var(--accent); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 7px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: none;
  border: 0;
  cursor: pointer;
  z-index: 120;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.35s var(--ease), opacity 0.25s;
}
.nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(4.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:last-child { transform: translateY(-4.5px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: max(640px, 92svh);
  display: flex;
  align-items: center;
  padding: calc(var(--header-h) + 48px) 0 96px;
  overflow: clip;
}
.hero-inner { position: relative; z-index: 2; max-width: 900px; }
.hero-title { margin-bottom: 8px; }
.hero-sub {
  color: var(--muted);
  font-size: clamp(1.05rem, 1.6vw, 1.22rem);
  max-width: 620px;
  margin: 22px 0 0;
}
.serif-line { margin-top: 10px !important; font-size: clamp(1.3rem, 2.4vw, 1.7rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 38px; }

.hero-bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.hero-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(118deg, transparent 0 24%, rgba(53, 240, 210, 0.06) 24.2% 24.6%, transparent 24.8% 100%),
    linear-gradient(151deg, transparent 0 56%, rgba(255, 122, 92, 0.055) 56.1% 56.4%, transparent 56.6% 100%),
    linear-gradient(180deg, rgba(6, 18, 20, 0.15), var(--bg) 96%);
  opacity: 0.9;
}
.scene-mesh {
  position: absolute;
  inset: -18% -8%;
  opacity: 0.78;
  -webkit-mask-image: linear-gradient(90deg, transparent 0, black 16%, black 86%, transparent 100%);
  mask-image: linear-gradient(90deg, transparent 0, black 16%, black 86%, transparent 100%);
  will-change: transform, opacity;
}
.scene-mesh-primary {
  background:
    repeating-linear-gradient(112deg, transparent 0 92px, rgba(53, 240, 210, 0.085) 93px 94px, transparent 95px 188px),
    repeating-linear-gradient(22deg, transparent 0 118px, rgba(141, 123, 255, 0.06) 119px 120px, transparent 121px 238px);
  animation: meshDriftA 20s ease-in-out infinite alternate;
}
.scene-mesh-secondary {
  background:
    repeating-linear-gradient(126deg, transparent 0 100px, rgba(53, 240, 210, 0.075) 101px 102px, transparent 103px 204px),
    repeating-linear-gradient(36deg, transparent 0 130px, rgba(246, 200, 95, 0.055) 131px 132px, transparent 133px 260px);
  animation: meshDriftB 24s ease-in-out infinite alternate;
}
.scene-mesh-warm {
  background:
    repeating-linear-gradient(118deg, transparent 0 96px, rgba(255, 122, 92, 0.075) 97px 98px, transparent 99px 194px),
    repeating-linear-gradient(28deg, transparent 0 132px, rgba(53, 240, 210, 0.06) 133px 134px, transparent 135px 264px);
  animation: meshDriftC 26s ease-in-out infinite alternate;
}
.scene-lanes {
  position: absolute;
  inset: 12% 0 auto;
  height: 48vh;
  opacity: 0.46;
  overflow: hidden;
  transform: skewY(-8deg);
}
.scene-lanes::before,
.scene-lanes::after {
  content: "";
  position: absolute;
  left: -30%;
  width: 48%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(53, 240, 210, 0.8), transparent);
  animation: lanePulse 7.5s var(--ease) infinite;
  will-change: transform, opacity;
}
.scene-lanes::before { top: 30%; }
.scene-lanes::after {
  top: 64%;
  background: linear-gradient(90deg, transparent, rgba(255, 122, 92, 0.72), transparent);
  animation-delay: 2.2s;
}
@keyframes meshDriftA {
  from { transform: translate3d(-1.8%, -0.6%, 0) scale(1.01); opacity: 0.68; }
  to { transform: translate3d(1.8%, 0.6%, 0) scale(1.03); opacity: 0.84; }
}
@keyframes meshDriftB {
  from { transform: translate3d(1.4%, 0.8%, 0) scale(1.02); opacity: 0.58; }
  to { transform: translate3d(-1.4%, -0.8%, 0) scale(1.04); opacity: 0.76; }
}
@keyframes meshDriftC {
  from { transform: translate3d(-1%, 0.8%, 0) scale(1.01); opacity: 0.54; }
  to { transform: translate3d(1%, -0.8%, 0) scale(1.03); opacity: 0.72; }
}
@keyframes lanePulse {
  0% { transform: translateX(0); opacity: 0; }
  18%, 58% { opacity: 1; }
  100% { transform: translateX(310%); opacity: 0; }
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(110, 220, 200, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(110, 220, 200, 0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: linear-gradient(180deg, black 0, black 58%, transparent 92%);
  mask-image: linear-gradient(180deg, black 0, black 58%, transparent 92%);
}
.system-map {
  position: absolute;
  right: max(28px, 6vw);
  top: 18%;
  width: min(430px, 38vw);
  height: 390px;
  opacity: 0.54;
  animation: mapDrift 14s ease-in-out infinite alternate;
  will-change: transform;
}
.system-map::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, transparent 49.7%, rgba(110, 220, 200, 0.22) 49.9% 50.1%, transparent 50.3%),
    linear-gradient(0deg, transparent 49.7%, rgba(110, 220, 200, 0.18) 49.9% 50.1%, transparent 50.3%);
  opacity: 0.5;
}
.system-node {
  position: absolute;
  min-width: 70px;
  padding: 9px 12px;
  border-radius: 6px;
  border: 1px solid var(--line-strong);
  background: rgba(8, 26, 30, 0.78);
  color: var(--text);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: center;
  box-shadow: 0 18px 60px -28px rgba(0, 0, 0, 0.85);
  animation: nodeFloat 8s ease-in-out infinite alternate;
  will-change: transform;
}
.node-core { left: 44%; top: 43%; color: #041a16; background: var(--accent); border-color: transparent; }
.node-acvire { left: 5%; top: 18%; }
.node-ai { right: 4%; top: 10%; color: var(--violet); }
.node-quality { right: 9%; bottom: 13%; color: var(--amber); }
.node-commerce { left: 0; bottom: 16%; color: var(--warm); }
.system-link {
  position: absolute;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(53, 240, 210, 0.78), transparent);
  transform-origin: left center;
  animation: linkPulse 4.8s ease-in-out infinite;
  will-change: opacity;
}
.link-a { left: 22%; top: 31%; width: 176px; transform: rotate(24deg); }
.link-b { left: 51%; top: 50%; width: 150px; transform: rotate(-38deg); animation-delay: 0.9s; }
.link-c { left: 24%; bottom: 30%; width: 188px; transform: rotate(-18deg); animation-delay: 1.8s; }
@keyframes nodeFloat {
  from { transform: translateY(0); }
  to { transform: translateY(-8px); }
}
@keyframes linkPulse {
  0%, 100% { opacity: 0.25; }
  50% { opacity: 0.9; }
}
@keyframes mapDrift {
  from { transform: translate3d(0, -4px, 0); }
  to { transform: translate3d(0, 8px, 0); }
}

.scroll-hint {
  position: absolute;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  z-index: 2;
  color: var(--muted-2);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}
.scroll-line {
  width: 1px;
  height: 44px;
  background: linear-gradient(var(--accent), transparent);
  overflow: hidden;
  position: relative;
}
.scroll-line::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(var(--accent-strong), transparent);
  animation: scrollPulse 2.2s var(--ease) infinite;
  will-change: transform;
}
@keyframes scrollPulse {
  0% { transform: translateY(-100%); }
  60%, 100% { transform: translateY(100%); }
}

/* Page hero (subpages) */
.page-hero {
  position: relative;
  padding: calc(var(--header-h) + clamp(56px, 9vw, 110px)) 0 clamp(40px, 6vw, 72px);
  overflow: clip;
}
.page-hero.small { padding-bottom: 24px; }
.page-hero .container { position: relative; z-index: 2; max-width: 1180px; }
.page-hero .hero-sub { max-width: 700px; }
.crumbs { margin-bottom: 22px; font-size: 14px; }
.crumbs a { color: var(--muted); text-decoration: none; transition: color 0.2s; }
.crumbs a:hover { color: var(--accent); }

/* ---------- Proof strip / Marquee ---------- */
.proof-strip {
  padding: 26px 0 30px;
  border-block: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.012);
}
.proof-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--muted-2);
  margin: 0 0 18px;
}
.marquee { overflow: clip; -webkit-mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent); mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent); }
.marquee-track { display: flex; width: max-content; animation: marquee 36s linear infinite; will-change: transform; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-group { display: flex; align-items: center; gap: clamp(40px, 6vw, 88px); padding-right: clamp(40px, 6vw, 88px); }
.marquee-item {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--muted);
  white-space: nowrap;
  opacity: 0.85;
  transition: opacity 0.25s, color 0.25s;
}
.marquee-item:hover { opacity: 1; color: var(--text); }
.marquee-item img { border-radius: 7px; }
.marquee-text::before {
  content: "";
  display: inline-block;
  width: 16px; height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--warm));
  opacity: 0.72;
}
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Solution cards (home) ---------- */
.solution-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.solution-cards.two { grid-template-columns: repeat(2, 1fr); }
.solution-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 34px 30px 30px;
  background: linear-gradient(160deg, var(--card) 0%, rgba(10, 26, 30, 0.6) 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--text);
  overflow: hidden;
  transition: transform 0.45s var(--ease), border-color 0.35s ease, box-shadow 0.45s var(--ease), background 0.35s ease;
}
.solution-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(480px 220px at var(--px, 50%) var(--py, 0%), rgba(53, 240, 210, 0.09), transparent 65%);
  opacity: 0;
  transition: opacity 0.4s ease;
}
.solution-card:hover { transform: translateY(-6px); border-color: var(--line-strong); box-shadow: var(--shadow), var(--glow); }
.solution-card:hover::before { opacity: 1; }
.solution-num {
  position: absolute;
  top: 18px; right: 24px;
  font-size: 64px;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(110, 220, 200, 0.18);
  line-height: 1;
  pointer-events: none;
}
.solution-icon {
  width: 46px; height: 46px;
  border-radius: 14px;
  background: var(--accent-soft);
  border: 1px solid var(--line-strong);
  margin-bottom: 22px;
  position: relative;
}
.solution-icon::after {
  content: "";
  position: absolute;
  inset: 11px;
  background: var(--accent);
  -webkit-mask: var(--icon) center / contain no-repeat;
  mask: var(--icon) center / contain no-repeat;
}
.icon-chart { --icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M4 20V10m6 10V4m6 16v-7M2 22h20' stroke='black' stroke-width='2.4' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); }
.icon-shield { --icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2l8 3v6c0 5-3.4 9.4-8 11-4.6-1.6-8-6-8-11V5z' stroke='black' stroke-width='2.2' fill='none' stroke-linejoin='round'/%3E%3Cpath d='M8.5 12l2.4 2.4 4.6-4.8' stroke='black' stroke-width='2.2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); }
.icon-layers { --icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2l10 5-10 5L2 7z M2 12l10 5 10-5 M2 17l10 5 10-5' stroke='black' stroke-width='2' fill='none' stroke-linejoin='round'/%3E%3C/svg%3E"); }
.solution-card h3 { font-size: 1.32rem; font-weight: 750; letter-spacing: -0.015em; margin: 0 0 6px; }
.solution-tagline { color: var(--accent); font-size: 1.22rem; margin: 0 0 14px; }
.solution-teaser { color: var(--muted); font-size: 0.98rem; margin: 0 0 18px; }
.solution-points { list-style: none; margin: 0 0 26px; padding: 0; display: grid; gap: 9px; }
.solution-points.cols { grid-template-columns: 1fr 1fr; column-gap: 28px; }
.solution-points li {
  position: relative;
  padding-left: 24px;
  color: var(--muted);
  font-size: 0.94rem;
}
.solution-points li::before {
  content: "";
  position: absolute;
  left: 0; top: 7px;
  width: 12px; height: 8px;
  border-left: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: rotate(-45deg);
}
.solution-card .card-link { margin-top: auto; }

/* ---------- Solution rows (overview page) ---------- */
.solution-rows { display: grid; gap: 26px; }
.solution-row {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 28px;
  padding: clamp(28px, 4vw, 48px);
  background: linear-gradient(160deg, var(--card) 0%, rgba(10, 26, 30, 0.55) 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--text);
  transition: transform 0.45s var(--ease), border-color 0.35s ease, box-shadow 0.45s var(--ease);
}
.solution-row:hover { transform: translateY(-4px); border-color: var(--line-strong); box-shadow: var(--shadow), var(--glow); }
.solution-row-num {
  font-size: clamp(56px, 7vw, 96px);
  font-weight: 800;
  line-height: 0.9;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(110, 220, 200, 0.25);
}
.solution-row h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); font-weight: 750; letter-spacing: -0.02em; margin: 12px 0 4px; }
.solution-row-flag { margin: 0; }
.solution-row .solution-tagline { font-size: 1.3rem; }

.badge {
  display: inline-block;
  padding: 5px 12px;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.03em;
}
.badge-accent { background: var(--accent-soft); border-color: var(--line-strong); color: var(--accent); }
.badges { display: flex; flex-wrap: wrap; gap: 8px; }

/* ---------- Why / stats ---------- */
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.why-card {
  padding: 30px 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.015);
  transition: border-color 0.3s ease, background 0.3s ease;
}
.why-card:hover { border-color: var(--line-strong); background: rgba(255, 255, 255, 0.03); }
.why-index {
  display: inline-block;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.18em;
  color: var(--accent);
  margin-bottom: 16px;
}
.why-card h3 { font-size: 1.14rem; font-weight: 750; margin: 0 0 10px; letter-spacing: -0.01em; }
.why-card p { color: var(--muted); font-size: 0.96rem; margin: 0; }

.stats-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: clamp(48px, 6vw, 72px);
  padding-top: clamp(40px, 5vw, 56px);
  border-top: 1px solid var(--line);
}
.stat { text-align: left; }
.stat-n {
  display: block;
  font-size: clamp(2.6rem, 5vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
  background: linear-gradient(120deg, var(--text) 30%, var(--accent) 120%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stat-label {
  display: block;
  margin-top: 10px;
  color: var(--muted-2);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ---------- Product cards ---------- */
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.product-grid.large { grid-template-columns: repeat(2, 1fr); }
.product-card {
  display: flex;
  flex-direction: column;
  padding: 28px 26px 24px;
  background: linear-gradient(165deg, var(--card) 0%, rgba(9, 24, 28, 0.5) 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform 0.45s var(--ease), border-color 0.35s ease, box-shadow 0.45s var(--ease);
}
.product-card:hover { transform: translateY(-5px); border-color: var(--line-strong); box-shadow: var(--shadow); }
.product-head { display: flex; gap: 16px; align-items: center; margin-bottom: 16px; }
.product-logo {
  width: 48px; height: 48px;
  border-radius: 8px;
  object-fit: cover;
  background: #fff;
  flex-shrink: 0;
}
.product-logo-soon {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-soft);
  border: 1px dashed var(--line-strong);
  color: var(--accent);
  font-size: 22px;
  font-weight: 800;
}
.product-card h2, .product-card h3 { font-size: 1.22rem; font-weight: 760; margin: 0; letter-spacing: -0.01em; }
.product-tagline { color: var(--accent); font-size: 0.9rem; font-weight: 600; margin: 3px 0 0; }
.product-desc { color: var(--muted); font-size: 0.95rem; margin: 0 0 20px; }
.product-foot { margin-top: auto; display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; }

/* ---------- Cases ---------- */
.case-list { display: grid; gap: 18px; }
.case-row {
  display: grid;
  grid-template-columns: minmax(220px, 340px) 1fr auto;
  align-items: center;
  gap: clamp(20px, 3vw, 44px);
  padding: 30px clamp(24px, 3vw, 40px);
  background: linear-gradient(160deg, var(--card) 0%, rgba(9, 24, 28, 0.45) 100%);
  border: 1px solid var(--line);
  border-left: 3px solid var(--case-accent, var(--accent));
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--text);
  transition: transform 0.4s var(--ease), border-color 0.3s ease, box-shadow 0.4s var(--ease);
}
.case-row:hover { transform: translateX(6px); box-shadow: var(--shadow); border-color: var(--line-strong); border-left-color: var(--case-accent, var(--accent)); }
.case-row p { color: var(--muted); font-size: 0.95rem; margin: 0; }
.case-label {
  display: block;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted-2);
  margin-bottom: 8px;
}
.case-row h3 { font-size: 1.35rem; font-weight: 760; margin: 0; letter-spacing: -0.015em; }

.case-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.case-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 32px 30px 28px;
  background: linear-gradient(160deg, var(--card) 0%, rgba(9, 24, 28, 0.5) 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--text);
  overflow: hidden;
  transition: transform 0.45s var(--ease), border-color 0.35s ease, box-shadow 0.45s var(--ease);
}
.case-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  background: linear-gradient(90deg, var(--case-accent, var(--accent)), transparent 70%);
  opacity: 0.85;
}
.case-card:hover { transform: translateY(-6px); border-color: var(--line-strong); box-shadow: var(--shadow); }
.case-card-top { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }
.case-card-top .case-label { margin: 0; }
.case-logo { width: 44px; height: 44px; border-radius: 8px; object-fit: cover; background: #fff; }
.case-logo-text {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--case-accent, var(--accent)) 16%, transparent);
  border: 1px solid color-mix(in srgb, var(--case-accent, var(--accent)) 40%, transparent);
  color: var(--case-accent, var(--accent));
  font-weight: 800;
  font-size: 19px;
}
.case-card h2 { font-size: 1.45rem; font-weight: 760; letter-spacing: -0.018em; margin: 0 0 10px; }
.case-card p { color: var(--muted); font-size: 0.97rem; margin: 0 0 22px; }
.case-card .card-link { margin-top: auto; }

.case-quote {
  margin: clamp(36px, 5vw, 56px) 0 0;
  padding: 30px 34px;
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: clamp(1.3rem, 2.4vw, 1.65rem);
  line-height: 1.4;
  color: var(--text);
}

/* ---------- Detail layout ---------- */
.detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: clamp(32px, 5vw, 72px);
  align-items: start;
}
.detail-main .detail-block { margin-bottom: clamp(36px, 5vw, 56px); }
.detail-main .detail-block:last-child { margin-bottom: 0; }
.detail-block h2 {
  font-size: clamp(1.35rem, 2.4vw, 1.75rem);
  font-weight: 750;
  letter-spacing: -0.018em;
  margin: 0 0 14px;
}
.detail-block p { color: var(--muted); font-size: 1.02rem; margin: 0 0 14px; }
.detail-block p:last-child { margin-bottom: 0; }

.detail-side { position: sticky; top: calc(var(--header-h) + 24px); display: grid; gap: 20px; }
.side-card {
  padding: 26px 26px 24px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.side-card h3 {
  font-size: 0.85rem;
  font-weight: 750;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 16px;
}
.side-card p { color: var(--muted); font-size: 0.95rem; margin: 0 0 18px; }
.side-card-cta { background: linear-gradient(150deg, rgba(53, 240, 210, 0.10), var(--card) 60%); border-color: var(--line-strong); }

.proof-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.proof-list li {
  position: relative;
  padding-left: 26px;
  color: var(--muted);
  font-size: 0.94rem;
}
.proof-list li::before {
  content: "";
  position: absolute;
  left: 2px; top: 7px;
  width: 12px; height: 8px;
  border-left: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: rotate(-45deg);
}

.facts-list { margin: 0; display: grid; gap: 14px; }
.facts-list > div { display: grid; gap: 2px; }
.facts-list dt {
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted-2);
}
.facts-list dd { margin: 0; color: var(--text); font-size: 0.98rem; }
.facts-list dd a { color: var(--accent); text-decoration: none; }
.facts-list dd a:hover { text-decoration: underline; }

.values-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 8px; }
.value-card {
  padding: 24px 24px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.015);
}
.value-card h3 { font-size: 1.05rem; font-weight: 740; margin: 0 0 8px; }
.value-card p { color: var(--muted); font-size: 0.92rem; margin: 0; }

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: clamp(32px, 5vw, 64px);
  align-items: start;
}
.contact-form-wrap {
  position: relative;
  padding: clamp(28px, 4vw, 44px);
  background: linear-gradient(160deg, var(--card) 0%, rgba(9, 24, 28, 0.5) 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.contact-form { display: grid; gap: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-field { display: grid; gap: 8px; }
.form-field label { font-size: 13.5px; font-weight: 700; color: var(--muted); letter-spacing: 0.02em; }
.form-field input, .form-field select, .form-field textarea {
  width: 100%;
  padding: 13px 16px;
  background: rgba(4, 14, 16, 0.7);
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--text);
  font-family: var(--sans);
  font-size: 15.5px;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}
.form-field textarea { resize: vertical; min-height: 130px; }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(53, 240, 210, 0.15);
}
.form-field select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2335f0d2' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
}
.form-check { grid-template-columns: auto 1fr; align-items: start; gap: 12px; }
.form-check input {
  width: 20px; height: 20px;
  margin-top: 2px;
  accent-color: var(--accent);
}
.form-check label { font-weight: 500; font-size: 13.5px; line-height: 1.55; }
.form-check a { color: var(--accent); }
.hp-field { position: absolute !important; left: -9999px !important; opacity: 0; pointer-events: none; }
.form-error {
  margin: 0;
  padding: 12px 16px;
  border-radius: 12px;
  background: rgba(255, 92, 61, 0.1);
  border: 1px solid rgba(255, 92, 61, 0.35);
  color: #ffb3a3;
  font-size: 14px;
}
.form-success { text-align: center; padding: clamp(24px, 4vw, 48px) 12px; }
.form-success-icon {
  width: 64px; height: 64px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--accent-soft);
  border: 1px solid var(--line-strong);
  color: var(--accent);
  font-size: 28px;
  font-weight: 800;
}
.form-success h2 { font-size: 1.5rem; font-weight: 760; margin: 0 0 10px; }
.form-success p { color: var(--muted); margin: 0; }
.contact-facts dd a { color: var(--text); }
.contact-facts dd a:hover { color: var(--accent); }

/* ---------- FAQ ---------- */
.faq-list { display: grid; gap: 14px; max-width: 860px; }
.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.015);
  transition: border-color 0.3s ease;
}
.faq-item[open] { border-color: var(--line-strong); background: var(--card); }
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 20px 24px;
  cursor: pointer;
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary h3 { font-size: 1.05rem; font-weight: 740; margin: 0; letter-spacing: -0.005em; }
.faq-marker {
  flex-shrink: 0;
  width: 28px; height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  color: var(--accent);
  font-size: 17px;
  font-weight: 700;
  transition: transform 0.35s var(--ease), background 0.25s ease;
}
.faq-item[open] .faq-marker { transform: rotate(45deg); background: var(--accent-soft); }
.faq-item > p { margin: 0; padding: 0 24px 22px; color: var(--muted); font-size: 0.97rem; max-width: 720px; }

/* ---------- CTA band ---------- */
.cta-band { padding: clamp(72px, 9vw, 120px) 0; }
.cta-band-inner {
  position: relative;
  padding: clamp(48px, 7vw, 88px) clamp(28px, 6vw, 88px);
  border-radius: 10px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.26), transparent 32%),
    linear-gradient(120deg, #2fe9cb 0%, #57ffe3 52%, #ffdf8a 150%);
  color: #04211c;
  text-align: center;
  overflow: hidden;
  box-shadow: 0 40px 120px -40px rgba(53, 240, 210, 0.45);
}
.cta-band-inner h2 { color: #04211c; }
.cta-band-inner .serif { font-weight: 560; }
.cta-band-inner p { color: rgba(4, 33, 28, 0.75); font-size: 1.08rem; max-width: 560px; margin: 18px auto 0; }
.cta-band-actions { display: flex; flex-direction: column; align-items: center; gap: 16px; margin-top: 34px; }
.cta-band-mail { color: rgba(4, 33, 28, 0.7); font-size: 14.5px; font-weight: 600; text-decoration: none; }
.cta-band-mail:hover { color: #04211c; text-decoration: underline; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  background: #040d0f;
  padding: clamp(56px, 7vw, 88px) 0 36px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: clamp(32px, 5vw, 64px);
  margin-bottom: 56px;
}
.footer-brand p { color: var(--muted); font-size: 0.95rem; margin: 18px 0 0; max-width: 340px; }
.footer-meta { color: var(--muted-2) !important; font-size: 0.85rem !important; }
.footer-grid nav { display: grid; gap: 12px; align-content: start; }
.footer-grid nav h3 {
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted-2);
  margin: 0 0 6px;
}
.footer-grid nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 14.5px;
  transition: color 0.2s;
  width: fit-content;
}
.footer-grid nav a:hover { color: var(--accent); }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  padding-top: 28px;
  border-top: 1px solid var(--line);
  color: var(--muted-2);
  font-size: 13px;
}
.footer-links { display: flex; gap: 22px; }
.footer-links a { color: var(--muted-2); text-decoration: none; }
.footer-links a:hover { color: var(--accent); }

/* ---------- Legal ---------- */
.legal-content { max-width: 780px; }
.legal-note { color: var(--muted-2); font-size: 0.9rem; }
.legal-content h2 {
  font-size: 1.25rem;
  font-weight: 750;
  letter-spacing: -0.01em;
  margin: 40px 0 12px;
}
.legal-content p { color: var(--muted); }
.legal-content a { color: var(--accent); }

/* ---------- Scroll reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
  transition-delay: calc(var(--rd, 0) * 90ms);
  will-change: opacity, transform;
}
.reveal[data-delay="1"] { --rd: 1; }
.reveal[data-delay="2"] { --rd: 2; }
.reveal[data-delay="3"] { --rd: 3; }
.reveal.in { opacity: 1; transform: none; }

/* Tilt (JS-driven) */
.tilt { transform-style: preserve-3d; }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .solution-cards, .why-grid, .product-grid { grid-template-columns: repeat(2, 1fr); }
  .detail-grid, .contact-grid { grid-template-columns: 1fr; }
  .detail-side { position: static; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
  .stats-band { grid-template-columns: repeat(2, 1fr); row-gap: 36px; }
}

@media (max-width: 900px) {
  .main-nav {
    position: fixed;
    inset: 0;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 10px;
    min-height: 100dvh;
    padding: calc(var(--header-h) + 24px) 24px 32px;
    overflow-y: auto;
    overscroll-behavior: contain;
    background: rgba(4, 13, 15, 0.96);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 0.35s ease, visibility 0.35s ease, transform 0.35s var(--ease);
    z-index: 110;
  }
  .main-nav.open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
  }
  .main-nav > a { font-size: 1.5rem; font-weight: 750; padding: 10px 0; }
  .main-nav > a::after { display: none; }
  .nav-extra { flex-direction: column; gap: 24px; margin: 28px 0 0; }
  .lang-switch { font-size: 16px; }
  .nav-toggle {
    display: flex;
    align-items: center;
    border: 1px solid var(--line-strong);
    border-radius: 999px;
    background: rgba(6, 18, 20, 0.62);
  }
  .hero { min-height: 86svh; }
  .system-map { opacity: 0.22; right: -80px; width: 520px; max-width: none; }
}

@media (max-width: 760px) {
  body { font-size: 16px; }
  .container { width: min(1180px, 100% - 40px); }
  .solution-cards, .solution-cards.two, .why-grid, .product-grid,
  .product-grid.large, .case-grid, .values-grid, .form-row { grid-template-columns: 1fr; }
  .case-row { grid-template-columns: 1fr; gap: 12px; }
  .case-row .card-link { margin-top: 4px; }
  .solution-row { grid-template-columns: 1fr; gap: 8px; }
  .solution-row-num { font-size: 48px; }
  .solution-points.cols { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .scroll-hint { display: none; }
  .stats-band { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 420px) {
  .footer-grid { grid-template-columns: 1fr; }
  .stats-band { grid-template-columns: 1fr; }
  .brand-name { display: none; }
  .system-map { display: none; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .scene-mesh, .scene-lanes::before, .scene-lanes::after, .system-node, .system-link, .scroll-line::after { animation: none !important; }
  .marquee-track { animation: none; flex-wrap: wrap; }
  .btn, .solution-card, .product-card, .case-card, .case-row, .solution-row { transition: none; }
  .tilt { transform: none !important; }
}