:root {
  --navy: #0b1f3a;
  --navy-2: #102a4c;
  --navy-3: #0e2544;
  --teal: #00b8a8;
  --teal-2: #14d6c4;
  --ink: #0e1726;
  --muted: #5b6b82;
  --line: #e3e9f2;
  --bg: #ffffff;
  --bg-alt: #f5f8fc;
  --white: #ffffff;
  --shadow: 0 18px 50px -22px rgba(11, 31, 58, .35);
  --shadow-sm: 0 8px 24px -14px rgba(11, 31, 58, .3);
  --radius: 18px;
  --radius-sm: 12px;
  --container: 1140px;
  --header-h: 72px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); }

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, "Noto Sans", Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3 { line-height: 1.15; margin: 0 0 .5em; font-weight: 800; letter-spacing: -.02em; }
p { margin: 0 0 1em; }
a { color: inherit; text-decoration: none; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 22px; }

.eyebrow {
  text-transform: uppercase;
  letter-spacing: .16em;
  font-size: .78rem;
  font-weight: 700;
  color: var(--teal);
  margin: 0 0 .8em;
}

.grad {
  background: linear-gradient(100deg, var(--teal), var(--teal-2) 55%, #7ef0e4);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 200;
  background: var(--navy); color: #fff; padding: 10px 16px; border-radius: 0 0 10px 0;
}
.skip-link:focus { left: 0; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 100;
  height: var(--header-h);
  background: rgba(255, 255, 255, .85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, box-shadow .3s, background .3s;
}
.site-header.is-scrolled {
  border-bottom-color: var(--line);
  box-shadow: 0 10px 30px -24px rgba(11, 31, 58, .5);
}
.header-inner { height: 100%; display: flex; align-items: center; gap: 20px; }

.brand { display: flex; align-items: center; gap: 11px; font-size: 1.22rem; font-weight: 800; letter-spacing: -.02em; }
.brand-mark { display: inline-flex; }
.brand-text { color: var(--navy); }
.brand-accent { color: var(--teal); margin-left: 2px; }

.nav { margin-left: auto; display: flex; gap: 6px; }
.nav a {
  padding: 9px 14px; border-radius: 10px; font-weight: 600; font-size: .95rem; color: #2c3a52;
  transition: background .2s, color .2s;
}
.nav a:hover { background: var(--bg-alt); color: var(--navy); }

.header-actions { display: flex; align-items: center; gap: 10px; }

.lang-switch { display: flex; background: var(--bg-alt); border: 1px solid var(--line); border-radius: 999px; padding: 3px; }
.lang-btn {
  border: 0; background: transparent; cursor: pointer; font-weight: 700; font-size: .8rem;
  padding: 6px 12px; border-radius: 999px; color: var(--muted); transition: .2s; font-family: inherit;
}
.lang-btn.is-active { background: var(--navy); color: #fff; }

.nav-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line); background: #fff; border-radius: 10px; cursor: pointer; flex-direction: column; align-items: center; justify-content: center; gap: 5px; }
.nav-toggle span { width: 20px; height: 2px; background: var(--navy); border-radius: 2px; transition: .3s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 24px; border-radius: 999px; font-weight: 700; font-size: .95rem;
  border: 1px solid transparent; cursor: pointer; transition: transform .2s, box-shadow .2s, background .2s, color .2s;
  font-family: inherit;
}
.btn-primary { background: var(--navy); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { transform: translateY(-2px); background: var(--navy-2); }
.btn-ghost { background: transparent; color: var(--navy); border-color: var(--line); }
.btn-ghost:hover { background: var(--bg-alt); transform: translateY(-2px); }
.btn-block { width: 100%; }

/* Hero */
.hero { position: relative; padding: 74px 0 0; overflow: hidden; }
.hero-glow {
  position: absolute; inset: -20% -10% auto auto; width: 620px; height: 620px; right: -160px; top: -120px;
  background: radial-gradient(circle at 50% 50%, rgba(0,184,168,.20), rgba(0,184,168,0) 62%);
  pointer-events: none;
}
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: center; padding-bottom: 60px; }
.hero-copy h1 { font-size: clamp(2.1rem, 5vw, 3.6rem); }
.hero-copy h1 span { display: block; }
.lead { font-size: 1.1rem; color: var(--muted); max-width: 46ch; }
.tagline { font-weight: 700; color: var(--navy); letter-spacing: .01em; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 8px; }

.hero-visual { display: flex; justify-content: center; }
.orb-card {
  position: relative; width: 320px; height: 320px; border-radius: 28px;
  background: linear-gradient(150deg, var(--navy), var(--navy-3));
  box-shadow: var(--shadow); overflow: hidden;
}
.orb-ring {
  position: absolute; inset: 0; margin: auto; width: 210px; height: 210px; border-radius: 50%;
  border: 2px solid rgba(0,184,168,.5);
}
.orb-ring::after {
  content: ""; position: absolute; inset: -1px; border-radius: 50%;
  border: 2px dashed rgba(0,184,168,.35); animation: spin 18s linear infinite;
}
.orb-core {
  position: absolute; inset: 0; margin: auto; width: 120px; height: 120px; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, var(--teal-2), var(--teal) 55%, #0a8f83);
  box-shadow: 0 0 44px rgba(0,184,168,.6);
}
.orb-badge {
  position: absolute; display: grid; place-items: center; font-weight: 800; font-size: .85rem;
  color: var(--teal-2); border: 1px solid rgba(0,184,168,.4); background: rgba(0,184,168,.08);
  border-radius: 999px; padding: 6px 14px;
}
.orb-badge:nth-of-type(2) { top: 26px; left: 26px; }
.orb-badge:nth-of-type(3) { bottom: 26px; right: 26px; }
.orb-badge:nth-of-type(4) { top: 40%; right: 20px; font-size: 1rem; }
.orb-line { position: absolute; bottom: 0; left: 0; right: 0; height: 3px; background: rgba(0,184,168,.15); }
.orb-line span { display: block; height: 100%; width: 40%; background: linear-gradient(90deg, transparent, var(--teal-2), transparent); animation: scan 3.5s ease-in-out infinite; }

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes scan { 0%,100% { transform: translateX(-40%); } 50% { transform: translateX(200%); } }

/* Marquee */
.marquee { overflow: hidden; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 14px 0; }
.marquee-track { display: flex; gap: 26px; list-style: none; margin: 0; padding: 0; width: max-content; animation: marquee 28s linear infinite; color: var(--muted); font-weight: 600; font-size: .9rem; text-transform: uppercase; letter-spacing: .12em; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* Sections */
.section { padding: 84px 0; }
.section-alt { background: var(--bg-alt); }
.section-head { max-width: 640px; margin: 0 auto 48px; text-align: center; }
.section-head h2 { font-size: clamp(1.7rem, 3.4vw, 2.4rem); }
.section-sub { color: var(--muted); }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 24px;
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-sm); border-color: rgba(0,184,168,.4); }
.card-icon {
  width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center;
  background: linear-gradient(140deg, rgba(0,184,168,.15), rgba(0,184,168,.05)); color: var(--teal);
  margin-bottom: 16px;
}
.card h3 { font-size: 1.12rem; }
.card p { color: var(--muted); margin: 0; font-size: .95rem; }

/* About */
.about-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.about-copy h2 { font-size: clamp(1.7rem, 3.4vw, 2.3rem); }
.about-copy p { color: var(--muted); }
.about-list { list-style: none; margin: 22px 0 0; padding: 0; display: grid; gap: 12px; }
.about-list li { position: relative; padding-left: 32px; font-weight: 600; }
.about-list li::before {
  content: "✓"; position: absolute; left: 0; top: 0; width: 22px; height: 22px; border-radius: 50%;
  display: grid; place-items: center; background: var(--teal); color: #fff; font-size: .75rem; font-weight: 800;
}
.stats { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.stat {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px;
  text-align: center; box-shadow: var(--shadow-sm);
}
.stat-num { display: block; font-size: 2rem; font-weight: 800; color: var(--navy); letter-spacing: -.02em; }
.stat-label { font-size: .85rem; color: var(--muted); font-weight: 600; }

/* Steps */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
.step { position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 24px; }
.step-num { display: inline-block; font-size: 1.6rem; font-weight: 800; color: rgba(0,184,168,.35); margin-bottom: 8px; }
.step h3 { font-size: 1.05rem; }
.step p { color: var(--muted); margin: 0; font-size: .92rem; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.contact-copy h2 { font-size: clamp(1.7rem, 3.4vw, 2.3rem); }
.contact-copy > p { color: var(--muted); }
.contact-list { list-style: none; margin: 24px 0 0; padding: 0; display: grid; gap: 14px; }
.contact-list li { display: flex; align-items: center; gap: 12px; font-weight: 600; }
.contact-ico { width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center; background: #fff; border: 1px solid var(--line); color: var(--teal); flex: 0 0 auto; }
.contact-list a:hover { color: var(--teal); }

.contact-form { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow-sm); display: grid; gap: 16px; }
.field { display: grid; gap: 7px; }
.field label { font-size: .85rem; font-weight: 700; color: #2c3a52; }
.field input, .field textarea {
  font-family: inherit; font-size: .95rem; color: var(--ink);
  padding: 12px 14px; border: 1px solid var(--line); border-radius: var(--radius-sm);
  background: #fbfcfe; transition: border-color .2s, box-shadow .2s; resize: vertical;
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--teal); box-shadow: 0 0 0 4px rgba(0,184,168,.14); }
.field.is-invalid input, .field.is-invalid textarea { border-color: #e05353; background: #fff6f6; }
.form-note { margin: 0; font-size: .9rem; font-weight: 600; min-height: 1.2em; }
.form-note.ok { color: #0a8f83; }
.form-note.err { color: #d23c3c; }

/* Footer */
.site-footer { background: var(--navy); color: #c8d4e6; padding: 52px 0 34px; }
.footer-inner { display: grid; gap: 26px; }
.footer-brand .brand-text { color: #fff; font-size: 1.25rem; font-weight: 800; }
.footer-brand p { margin: 10px 0 0; color: #8ea2bd; font-size: .92rem; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 22px; }
.footer-nav a { font-weight: 600; font-size: .92rem; color: #c8d4e6; }
.footer-nav a:hover { color: var(--teal-2); }
.footer-copy { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.1); color: #8ea2bd; font-size: .85rem; }

/* Reveal */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .marquee-track, .orb-ring::after, .orb-line span { animation: none; }
}

/* Responsive */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { order: -1; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .cards { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .nav {
    position: fixed; inset: var(--header-h) 0 auto 0; margin: 0; flex-direction: column; gap: 0;
    background: #fff; border-bottom: 1px solid var(--line); padding: 10px 16px 18px;
    transform: translateY(-12px); opacity: 0; pointer-events: none; transition: .25s; box-shadow: var(--shadow);
  }
  .nav.is-open { transform: none; opacity: 1; pointer-events: auto; }
  .nav a { padding: 14px 12px; border-radius: 10px; }
  .nav-toggle { display: flex; }
}

@media (max-width: 560px) {
  .cards, .steps, .stats { grid-template-columns: 1fr; }
  .section { padding: 62px 0; }
  .contact-form { padding: 22px; }
  .hero { padding-top: 46px; }
}
