:root {
  --primary: #0B2A5B;
  --primary-deep: #081F45;
  --secondary: #184A8C;
  --gold: #D4A017;
  --gold-hover: #E5B93C;
  --bg: #F8FAFC;
  --paper: #FFFFFF;
  --ink: #1E293B;
  --ink-soft: #64748B;
  --line: #E2E8F0;
  --radius: 18px;
  --shadow: 0 4px 20px rgba(0,0,0,.08);
  --font: "IBM Plex Sans", -apple-system, "Segoe UI", Roboto, sans-serif;
}

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

body {
  font-family: var(--font);
  background: linear-gradient(135deg, #F8FAFC 0%, #EEF4FB 100%);
  color: var(--ink);
  line-height: 1.6;
}

.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

/* Nav */
header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 24px; max-width: 1100px; margin: 0 auto;
}
header .logo-area { display: flex; align-items: center; gap: 10px; }
header img { height: 120px; }
header .brand-name { font-size: 20px; font-weight: 800; color: var(--primary); }
nav { display: flex; align-items: center; gap: 20px; }
nav a { color: var(--ink); text-decoration: none; font-weight: 600; font-size: 14.5px; }
nav a.cta { background: var(--gold); color: #fff; padding: 9px 18px; border-radius: 10px; }
nav a.cta:hover { background: var(--gold-hover); }

#langSwitch { display: flex; gap: 4px; background: var(--paper); border: 1px solid var(--line); border-radius: 10px; padding: 3px; }
#langSwitch button { border: none; background: transparent; padding: 6px 10px; border-radius: 8px; font-size: 13px; font-weight: 700; cursor: pointer; color: var(--ink-soft); }
#langSwitch button.active { background: var(--primary); color: #fff; }

/* Hero */
.hero { text-align: center; padding: 60px 24px 70px; max-width: 780px; margin: 0 auto; }
.hero h1 { font-size: 40px; font-weight: 800; color: var(--primary); line-height: 1.25; margin-bottom: 18px; }
.hero p { font-size: 17px; color: var(--ink-soft); margin-bottom: 30px; }
.btn-hero { display: inline-block; background: var(--gold); color: #fff; font-weight: 700; font-size: 16px; padding: 15px 36px; border-radius: 12px; text-decoration: none; box-shadow: 0 8px 24px rgba(212,160,23,.3); }
.btn-hero:hover { background: var(--gold-hover); }
.hero-cta-sub { font-size: 13px; color: var(--ink-soft); margin-top: 12px; margin-bottom: 0; }

/* Features */
.features { padding: 40px 24px 70px; }
.features h2 { text-align: center; font-size: 28px; color: var(--primary); font-weight: 800; margin-bottom: 40px; }
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; max-width: 1100px; margin: 0 auto; }
.feature-card {
  background: var(--paper); border-radius: var(--radius); padding: 28px 24px;
  box-shadow: var(--shadow); border: 1px solid var(--line);
  display: flex; flex-direction: column; align-items: center; text-align: center;
}
.feature-card .icon {
  font-size: 34px; line-height: 1; margin-bottom: 14px;
  width: 64px; height: 64px; display: flex; align-items: center; justify-content: center;
  background: var(--bg); border-radius: 50%;
}
.feature-card h3 { color: var(--primary); font-size: 17px; margin-bottom: 8px; }
.feature-card p { color: var(--ink-soft); font-size: 14px; }

/* Form */
.form-section { padding: 50px 24px 80px; }
.form-card { max-width: 480px; margin: 0 auto; background: var(--paper); border-radius: var(--radius); padding: 36px; box-shadow: var(--shadow); border: 1px solid var(--line); }
.form-card h2 { color: var(--primary); font-size: 24px; margin-bottom: 8px; text-align: center; }
.form-card > p { color: var(--ink-soft); font-size: 14px; text-align: center; margin-bottom: 24px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13.5px; font-weight: 600; margin-bottom: 6px; color: var(--ink); }
.field input { width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px; font-size: 15px; font-family: var(--font); }
.field input:focus { outline: none; border-color: var(--primary); }
.btn-submit { width: 100%; background: var(--primary); color: #fff; font-weight: 700; font-size: 16px; padding: 15px; border: none; border-radius: 12px; cursor: pointer; margin-top: 6px; }
.btn-submit:hover { background: var(--primary-deep); }

/* Footer */
footer { text-align: center; padding: 30px 24px; color: var(--ink-soft); font-size: 13px; border-top: 1px solid var(--line); }

@media (max-width: 640px) {
  header { flex-wrap: wrap; gap: 12px; }
  nav { flex-wrap: wrap; justify-content: center; }
  .hero h1 { font-size: 30px; }
  .hero p { font-size: 15.5px; }
}