:root {
  --bg: #ffffff;
  --bg-soft: #f4f6fb;
  --ink: #0e1a2b;
  --ink-soft: #52607a;
  --brand: #0b3a6f;
  --brand-dark: #082a52;
  --accent: #14b8a6;
  --accent-dark: #0e8f81;
  --line: #e2e7f0;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(14, 26, 43, 0.08);
  --maxw: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 16px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.1rem; }
.logo-mark {
  width: 34px; height: 34px; border-radius: 10px;
  background: linear-gradient(135deg, var(--brand), var(--accent));
  color: #fff; display: grid; place-items: center; font-weight: 800;
}
.nav-links { display: flex; align-items: center; gap: 26px; font-size: 0.95rem; color: var(--ink-soft); }
.nav-links a:hover { color: var(--ink); }
.nav-actions { display: flex; align-items: center; gap: 12px; }

.lang { display: inline-flex; border: 1px solid var(--line); border-radius: 999px; overflow: hidden; }
.lang button {
  border: 0; background: transparent; padding: 6px 12px; cursor: pointer;
  font: inherit; font-size: 0.8rem; font-weight: 600; color: var(--ink-soft);
}
.lang button[aria-pressed="true"] { background: var(--brand); color: #fff; }

.menu-btn {
  display: none; border: 1px solid var(--line); background: #fff; border-radius: 10px;
  width: 42px; height: 42px; cursor: pointer; font-size: 1.2rem;
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 22px; border-radius: 999px; font-weight: 600; font-size: 0.95rem;
  border: 1px solid transparent; transition: transform .15s ease, background .15s ease;
  cursor: pointer;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: #04211e; }
.btn-primary:hover { background: var(--accent-dark); color: #fff; }
.btn-outline { border-color: var(--line); background: #fff; color: var(--ink); }
.btn-outline:hover { border-color: var(--brand); }
.btn-sm { padding: 9px 16px; font-size: 0.88rem; }

/* Hero */
.hero {
  background:
    radial-gradient(900px 400px at 85% -10%, rgba(20, 184, 166, 0.22), transparent 60%),
    linear-gradient(180deg, var(--brand-dark), var(--brand));
  color: #fff;
  padding: 80px 0 90px;
}
.hero-grid { display: grid; grid-template-columns: 1.25fr 0.75fr; gap: 48px; align-items: center; }
.eyebrow {
  display: inline-block; font-size: 0.78rem; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase; color: var(--accent);
  margin-bottom: 14px;
}
.hero .eyebrow { color: #7ff0e2; }
h1 { font-size: clamp(2rem, 4.6vw, 3.4rem); line-height: 1.1; margin: 0 0 18px; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); line-height: 1.2; margin: 0 0 12px; letter-spacing: -0.01em; }
h3 { margin: 0 0 8px; font-size: 1.1rem; }
.lead { font-size: 1.12rem; color: rgba(255, 255, 255, 0.85); max-width: 560px; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; margin: 28px 0 14px; }
.hero .btn-outline { background: transparent; color: #fff; border-color: rgba(255, 255, 255, 0.4); }
.hero .btn-outline:hover { border-color: #fff; }
.note { font-size: 0.88rem; color: rgba(255, 255, 255, 0.7); }

.portrait {
  width: 100%; max-width: 360px; aspect-ratio: 4 / 5; margin-left: auto;
  border-radius: 24px; overflow: hidden; position: relative;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.04));
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: grid; place-items: center;
}
.portrait img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
.portrait .initial { font-size: 5rem; font-weight: 800; color: rgba(255, 255, 255, 0.6); }

/* Sections */
section { padding: 84px 0; }
.section-soft { background: var(--bg-soft); }
.section-head { max-width: 640px; margin-bottom: 40px; }
.section-head p { color: var(--ink-soft); margin: 0; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; box-shadow: var(--shadow);
}
.card p { margin: 0; color: var(--ink-soft); font-size: 0.97rem; }
.icon {
  width: 42px; height: 42px; border-radius: 12px; margin-bottom: 14px;
  background: rgba(20, 184, 166, 0.14); color: var(--accent-dark);
  display: grid; place-items: center; font-weight: 800;
}

.step-num { font-size: 2rem; font-weight: 800; color: var(--accent); margin-bottom: 6px; }

.contact-box {
  background: linear-gradient(135deg, var(--brand-dark), var(--brand));
  color: #fff; border-radius: 24px; padding: 48px; text-align: center;
}
.contact-box h2 { color: #fff; }
.contact-list { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; margin: 26px 0; }
.contact-list a {
  border: 1px solid rgba(255, 255, 255, 0.3); border-radius: 999px;
  padding: 10px 18px; font-size: 0.95rem;
}
.contact-list a:hover { border-color: #fff; }
.contact-list span { opacity: 0.7; margin-right: 6px; }

/* About page */
.about-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 56px; align-items: center; }
.about .portrait { margin: 0; background: var(--bg-soft); border-color: var(--line); }
.about .portrait .initial { color: var(--brand); opacity: 0.4; }
.about p { color: var(--ink-soft); font-size: 1.08rem; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 36px 0; color: var(--ink-soft); font-size: 0.9rem; }
.footer-row { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 14px; }
.footer-links { display: flex; gap: 18px; }
.footer-links a:hover { color: var(--ink); }

/* Responsive */
@media (max-width: 900px) {
  .hero-grid, .about-grid { grid-template-columns: 1fr; }
  .portrait { margin: 0 auto; max-width: 280px; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 820px) {
  .menu-btn { display: block; }
  .nav-links {
    display: none; position: absolute; top: 68px; left: 0; right: 0;
    flex-direction: column; align-items: flex-start; gap: 16px;
    background: #fff; padding: 20px; border-bottom: 1px solid var(--line);
  }
  .nav-links.open { display: flex; }
  .nav-actions .btn { display: none; }
}
@media (max-width: 600px) {
  section { padding: 60px 0; }
  .grid-3 { grid-template-columns: 1fr; }
  .contact-box { padding: 32px 20px; }
  .hero { padding: 56px 0 64px; }
}