:root {
  --navy: #0b1f3a;
  --navy-2: #12294d;
  --accent: #f97316;
  --accent-hover: #ea580c;
  --green: #16a34a;
  --text: #1e293b;
  --muted: #64748b;
  --bg: #ffffff;
  --bg-alt: #f4f6fa;
  --border: #e2e8f0;
  --white: #ffffff;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(11, 31, 58, 0.08);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

h1, h2, h3, h4 { color: var(--navy); line-height: 1.2; font-weight: 800; }
h1 { font-size: clamp(1.9rem, 4.5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: 1.15rem; }
p { margin-bottom: 1rem; }

.container { max-width: 1140px; margin: 0 auto; padding: 0 20px; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 1rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
  text-align: center;
}
.btn-primary { background: var(--accent); color: var(--white); }
.btn-primary:hover { background: var(--accent-hover); color: var(--white); }
.btn-outline { border-color: var(--white); color: var(--white); }
.btn-outline:hover { background: var(--white); color: var(--navy); }
.btn-dark { background: var(--navy); color: var(--white); }
.btn-dark:hover { background: var(--navy-2); color: var(--white); }
.btn-sm { padding: 8px 16px; font-size: 0.9rem; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--white);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  height: 68px;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark {
  background: var(--navy);
  color: var(--accent);
  font-weight: 800;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-size: 0.85rem;
  letter-spacing: 0.5px;
}
.brand-text { color: var(--navy); font-weight: 800; font-size: 1.05rem; line-height: 1.15; }
.brand-text strong { color: var(--accent); }

.site-nav { margin-left: auto; }
.site-nav ul { display: flex; align-items: center; gap: 20px; list-style: none; }
.site-nav a { color: var(--text); font-weight: 600; font-size: 0.95rem; }
.site-nav a:hover { color: var(--accent); }

.lang-link {
  border: 1px solid var(--border);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--navy);
  white-space: nowrap;
}
.lang-link:hover { border-color: var(--accent); color: var(--accent); }

.nav-toggle {
  display: none;
  margin-left: auto;
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 1.3rem;
  padding: 4px 12px;
  cursor: pointer;
  color: var(--navy);
}

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 100%);
  color: var(--white);
  padding: 72px 0 80px;
}
.hero h1 { color: var(--white); margin-bottom: 16px; }
.hero p.lead { font-size: 1.15rem; max-width: 640px; color: #cbd5e1; margin-bottom: 28px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 44px;
}
.stat { text-align: left; }
.stat strong { display: block; font-size: 1.9rem; color: var(--accent); }
.stat span { color: #cbd5e1; font-size: 0.9rem; }

/* Sections */
.section { padding: 64px 0; }
.section-alt { background: var(--bg-alt); }
.section-title { text-align: center; margin-bottom: 12px; }
.section-sub { text-align: center; color: var(--muted); max-width: 620px; margin: 0 auto 40px; }

.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}
.card h3 { margin-bottom: 10px; }
.card p { color: var(--muted); font-size: 0.98rem; }
.card .icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: #fff1e6;
  color: var(--accent);
  display: grid;
  place-items: center;
  font-size: 1.4rem;
  margin-bottom: 16px;
}

/* Steps */
.steps { counter-reset: step; list-style: none; display: grid; gap: 20px; }
.steps li {
  counter-increment: step;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 24px 22px 72px;
  position: relative;
  box-shadow: var(--shadow);
}
.steps li::before {
  content: counter(step);
  position: absolute;
  left: 20px;
  top: 20px;
  width: 36px;
  height: 36px;
  background: var(--navy);
  color: var(--accent);
  font-weight: 800;
  border-radius: 50%;
  display: grid;
  place-items: center;
}
.steps h3 { margin-bottom: 6px; }
.steps p { margin: 0; color: var(--muted); }

/* Check list */
.check-list { list-style: none; }
.check-list li { padding-left: 30px; position: relative; margin-bottom: 10px; }
.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--green);
  font-weight: 800;
}

/* Table */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; background: var(--white); border-radius: var(--radius); overflow: hidden; }
th, td { padding: 14px 16px; text-align: left; border-bottom: 1px solid var(--border); }
th { background: var(--navy); color: var(--white); }
tr:last-child td { border-bottom: none; }

/* FAQ */
details.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px 22px;
  margin-bottom: 14px;
}
details.faq-item summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--navy);
  list-style: none;
  position: relative;
  padding-right: 24px;
}
details.faq-item summary::-webkit-details-marker { display: none; }
details.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 0;
  font-size: 1.4rem;
  color: var(--accent);
  font-weight: 800;
}
details.faq-item[open] summary::after { content: "–"; }
details.faq-item p { margin: 12px 0 0; color: var(--muted); }

/* Forms */
.form-group { margin-bottom: 18px; }
label { display: block; font-weight: 600; margin-bottom: 6px; color: var(--navy); }
input, select, textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  background: var(--white);
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); border-color: transparent; }

/* CTA band */
.cta-band {
  background: var(--accent);
  color: var(--white);
  padding: 56px 0;
  text-align: center;
}
.cta-band h2 { color: var(--white); margin-bottom: 10px; }
.cta-band p { color: #fff7ed; max-width: 560px; margin: 0 auto 24px; }
.cta-band .btn-dark { background: var(--navy); }
.cta-band .btn-dark:hover { background: var(--navy-2); }

/* Footer */
.site-footer { background: var(--navy); color: #cbd5e1; padding: 56px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.2fr; gap: 32px; }
.footer-col h3 { color: var(--white); font-size: 0.95rem; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 14px; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 8px; }
.footer-col a { color: #cbd5e1; }
.footer-col a:hover { color: var(--accent); }
.brand-footer { margin-bottom: 14px; }
.brand-footer .brand-text { color: var(--white); }
.footer-bottom { margin-top: 36px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.12); font-size: 0.85rem; color: #94a3b8; }

/* Utilities */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-2 { margin-bottom: 24px; }
.center-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 14px; }
.page-head { background: var(--bg-alt); padding: 48px 0; border-bottom: 1px solid var(--border); }
.page-head h1 { margin-bottom: 8px; }
.page-head p { color: var(--muted); max-width: 720px; margin: 0; }

/* Responsive */
@media (max-width: 960px) {
  .nav-toggle { display: block; }
  .site-nav {
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    display: none;
  }
  .site-nav.open { display: block; }
  .site-nav ul { flex-direction: column; align-items: stretch; gap: 0; padding: 12px 20px; }
  .site-nav li { border-bottom: 1px solid var(--border); }
  .site-nav li:last-child { border-bottom: none; }
  .site-nav a { display: block; padding: 12px 0; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .section { padding: 48px 0; }
}