@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;700&family=IBM+Plex+Sans:wght@400;600;700&display=swap');

:root {
  --color-cyan-pulse: #00bcff;
  --color-voltage-cyan: #53eafd;
  --color-plasma-violet: #8e51ff;
  --color-signal-magenta: #e12afb;
  --color-halftone-blue: #74d4ff;
  --color-deep-teal: #104e64;
  --color-carbon: #314158;
  --color-graphite: #1d293d;
  --color-slate: #45556c;
  --color-iron: #62748e;
  --color-fog: #6a7282;
  --color-ash: #99a1af;
  --color-mist: #cad5e2;
  --color-porcelain: #e2e8f0;
  --color-paper: #f1f5f9;
  --color-pure: #ffffff;
  --surface-halftone: #cefafe;
  --surface-inverse: #1d293d;

  --font-sans: 'IBM Plex Sans', ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  --radius-badge: 4px;
  --radius-btn: 8px;
  --radius-card: 12px;

  --shadow-xl: rgba(0, 0, 0, 0.1) 0px 20px 25px -5px, rgba(0, 0, 0, 0.1) 0px 8px 10px -6px;
  --shadow-sm: rgba(0, 0, 0, 0.06) 0px 4px 12px;

  --header-h: 64px;
  --maxw: 1200px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
html.hide #preloader { display: none; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: -0.4px;
  color: var(--color-carbon);
  background: var(--color-porcelain);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body.fixed { overflow: hidden; }

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

.em-violet { color: var(--color-plasma-violet); }
.em-magenta { color: var(--color-signal-magenta); }
.em-cyan { color: var(--color-cyan-pulse); }

/* ---------- Preloader ---------- */
#preloader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-porcelain);
}
#preloader img { width: 56px; height: 56px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 700;
  font-size: 16px;
  letter-spacing: -0.4px;
  padding: 13px 24px;
  border-radius: var(--radius-btn);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, background .15s ease, color .15s ease, box-shadow .15s ease;
}
.btn:hover { color: var(--color-voltage-cyan)!important; }
.btn-primary {
  background: var(--color-cyan-pulse);
  color: var(--color-pure);
}
.btn-primary:hover { background: #00a6e0; }
.btn-ghost {
  background: transparent;
  color: var(--color-carbon);
  border-color: var(--color-carbon);
}
.btn-ghost:hover { background: var(--color-carbon); color: var(--color-pure); }

@keyframes levitate {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
.btn-levitate { animation: levitate 3s ease-in-out infinite; }
.btn-levitate:hover { animation-play-state: paused; }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1150;
  height: var(--header-h);
  background: var(--color-pure);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.site-header.scrolled {
  border-bottom-color: var(--color-porcelain);
  box-shadow: var(--shadow-sm);
}
.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo { display: flex; align-items: center; }
.logo img { height: 30px; width: auto; }

.main-nav { display: flex; align-items: center; gap: 28px; }
.nav-link {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.35px;
  color: var(--color-carbon);
  transition: color .15s ease;
}
.nav-link:hover { color: var(--color-cyan-pulse); }
.nav-link.accent { color: var(--color-signal-magenta); font-weight: 600; }
.header-cta .btn { padding: 9px 18px; font-size: 14px; }

.burger-btn {
  display: none;
  background: transparent;
  border: 0;
  width: 40px;
  height: 40px;
  padding: 0;
  cursor: pointer;
  position: relative;
  z-index: 1200;
}
.burger-btn span {
  display: block;
  position: absolute;
  left: 8px;
  right: 8px;
  height: 2px;
  background: var(--color-carbon);
  border-radius: 2px;
  transition: transform .25s ease, opacity .2s ease, top .25s ease;
}
.burger-btn span:nth-child(1) { top: 13px; }
.burger-btn span:nth-child(2) { top: 19px; }
.burger-btn span:nth-child(3) { top: 25px; }
.burger-btn.act span:nth-child(1) { top: 19px; transform: rotate(45deg); }
.burger-btn.act span:nth-child(2) { opacity: 0; }
.burger-btn.act span:nth-child(3) { top: 19px; transform: rotate(-45deg); }

/* ---------- Mobile menu ---------- */
#mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 1100;
  background: var(--color-pure);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 28px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s ease;
}
#mobile-menu.opened { opacity: 1; pointer-events: auto; }
#mobile-menu .nav-link { font-size: 22px; }
#mobile-menu .btn { margin-top: 8px; }

/* ---------- Sections ---------- */
section { position: relative; }
.section {
  padding: 88px 0;
}
.section-alt { background: var(--color-pure); }
.eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-cyan-pulse);
  margin-bottom: 16px;
}
.section-title {
  font-weight: 700;
  font-size: 36px;
  line-height: 1.2;
  letter-spacing: -0.9px;
  margin: 0 0 20px;
  color: var(--color-graphite);
}
.section-lead {
  font-size: 18px;
  line-height: 1.56;
  letter-spacing: -0.45px;
  color: var(--color-slate);
  max-width: 720px;
  margin: 0 0 40px;
}
.section-head { max-width: 760px; margin-bottom: 48px; }

/* ---------- Hero ---------- */
.hero {
  padding-top: calc(var(--header-h) + 72px);
  padding-bottom: 72px;
  background:
    radial-gradient(circle at 85% 15%, rgba(83,234,253,.14), transparent 42%),
    radial-gradient(circle at 8% 90%, rgba(142,81,255,.10), transparent 40%),
    var(--color-porcelain);
  overflow: hidden;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  align-items: center;
  gap: 48px;
}
.hero-title {
  font-weight: 700;
  font-size: 60px;
  line-height: 1.05;
  letter-spacing: -1.5px;
  margin: 0 0 24px;
  color: var(--color-graphite);
}
.hero-sub {
  font-size: 18px;
  line-height: 1.6;
  letter-spacing: -0.45px;
  color: var(--color-slate);
  margin: 0 0 16px;
  max-width: 540px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 16px; }
.hero-pills { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 32px; }
.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-pure);
  border: 1px solid var(--color-porcelain);
  border-radius: 12px;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-slate);
}
.pill .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--color-cyan-pulse); }
.pill .dot.v { background: var(--color-plasma-violet); }
.pill .dot.m { background: var(--color-signal-magenta); }

.hero-visual { position: relative; display: flex; justify-content: center; }
.hero-visual .plate {
  position: absolute;
  inset: 8% 6% 4% 6%;
  background: var(--color-pure);
  border: 1px solid var(--color-porcelain);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-xl);
}
.hero-visual .plate::before {
  content: "";
  position: absolute;
  left: 16px; top: 16px;
  width: 46px; height: 8px;
  border-radius: 4px;
  background: var(--surface-halftone);
}
.hero-visual img.pers {
  position: relative;
  z-index: 2;
  max-height: 520px;
  width: auto;
  filter: drop-shadow(0 18px 30px rgba(29,41,61,.18));
}

/* ---------- About ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 56px;
}
.split.reverse .split-media { order: 2; }
.split-media img {
  width: 100%;
  border-radius: var(--radius-card);
  border: 1px solid var(--color-porcelain);
}
.prose p {
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-slate);
  margin: 0 0 16px;
}
.prose p:last-child { margin-bottom: 0; }

/* ---------- Features grid ---------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.feature-card {
  background: var(--color-pure);
  border: 1px solid var(--color-porcelain);
  border-radius: var(--radius-card);
  padding: 28px 24px;
  transition: border-color .18s ease, transform .18s ease;
}
.feature-card:hover { border-color: var(--color-halftone-blue); transform: translateY(-3px); }
.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: var(--color-paper);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}
.feature-icon svg { width: 24px; height: 24px; stroke: var(--color-carbon); fill: none; stroke-width: 1.5; }
.feature-card h3 {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.45px;
  margin: 0 0 10px;
  color: var(--color-graphite);
}
.feature-card p {
  font-size: 14px;
  line-height: 1.5;
  color: var(--color-slate);
  margin: 0;
}

/* ---------- Markets ---------- */
.markets-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.market-card {
  background: var(--color-pure);
  border: 1px solid var(--color-porcelain);
  border-radius: var(--radius-card);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.market-card .thumb {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--color-paper);
}
.market-card .thumb img { width: 100%; height: 100%; object-fit: cover; }
.market-card .body { padding: 22px 24px 26px; }
.market-card h3 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin: 0 0 10px;
  color: var(--color-graphite);
}
.market-card p { font-size: 14px; line-height: 1.55; color: var(--color-slate); margin: 0; }
.markets-note {
  margin-top: 36px;
  font-size: 18px;
  line-height: 1.56;
  color: var(--color-carbon);
  letter-spacing: -0.45px;
  max-width: 760px;
}

/* ---------- Contact ---------- */
.contact-card {
  background: var(--surface-inverse);
  border-radius: var(--radius-card);
  padding: 56px 48px;
  text-align: center;
}
.contact-card .section-title { color: var(--color-pure); margin-bottom: 8px; }
.contact-card .eyebrow { color: var(--color-voltage-cyan); }
.contact-card p {
  color: #cbd5e1;
  font-size: 18px;
  line-height: 1.6;
  letter-spacing: -0.45px;
  max-width: 620px;
  margin: 0 auto 12px;
}
.contact-card .mail {
  display: inline-block;
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  color: var(--color-voltage-cyan);
  letter-spacing: -0.5px;
}
.contact-card .mail:hover { color: var(--color-pure); }

/* ---------- Footer ---------- */
.site-footer {
  position: relative;
  color: #cbd5e1;
  background: var(--surface-inverse);
  overflow: hidden;
}
.footer-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: .14;
  object-fit: cover;
  width: 100%;
  height: 100%;
}
.footer-inner {
  position: relative;
  z-index: 1;
  padding: 64px 0 40px;
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  justify-content: space-between;
  align-items: flex-start;
}
.footer-brand { max-width: 360px; }
.footer-brand img { height: 30px; margin-bottom: 16px; }
.footer-brand p { font-size: 15px; line-height: 1.55; color: var(--color-ash); margin: 0; }
.footer-links { display: flex; flex-direction: column; gap: 12px; }
.footer-links a { font-size: 14px; color: #cbd5e1; }
.footer-links a:hover { color: var(--color-voltage-cyan); }
.footer-bottom {
  position: relative;
  z-index: 1;
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 20px 0;
  font-size: 13px;
  color: var(--color-ash);
}

/* ---------- Legal pages ---------- */
.legal-page { padding: calc(var(--header-h) + 64px) 0 80px; }
.legal-content {
  background: var(--color-pure);
  border: 1px solid var(--color-porcelain);
  border-radius: var(--radius-card);
  padding: 48px;
  max-width: 900px;
  margin: 0 auto;
}
.legal-content h1 {
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -0.9px;
  color: var(--color-graphite);
  margin: 0 0 24px;
}
.legal-content h3 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--color-graphite);
  margin: 32px 0 12px;
}
.legal-content p, .legal-content li {
  font-size: 15px;
  line-height: 1.65;
  color: var(--color-slate);
}
.legal-content ul { padding-left: 22px; }
.legal-content a { color: var(--color-cyan-pulse); }
.legal-content strong { color: var(--color-carbon); }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .hero-title { font-size: 50px; }
  .section-title { font-size: 32px; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-visual img.pers { max-height: 440px; }
}

@media (max-width: 768px) {
  .main-nav, .header-cta { display: none; }
  .burger-btn { display: block; }
  .hero-inner { grid-template-columns: 1fr; gap: 32px; }
  .hero-visual { order: -1; }
  .hero-title { font-size: 42px; letter-spacing: -1px; }
  .split { grid-template-columns: 1fr; gap: 32px; }
  .split.reverse .split-media { order: -1; }
  .markets-grid { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
  .contact-card { padding: 44px 24px; }
  .legal-content { padding: 32px 22px; }
  .footer-inner { flex-direction: column; }
}

@media (max-width: 640px) {
  .hero-title { font-size: 34px; }
  .section-title { font-size: 27px; }
  .features-grid { grid-template-columns: 1fr; }
  .hero-actions .btn { flex: 1 1 auto; }
  .contact-card .mail { font-size: 15px; }
}