:root {
  --bg: #ffffff;
  --bg-alt: #f5f7fc;
  --surface: #ffffff;
  --text: #1f2530;
  --muted: #4a5668;
  --primary: #3f679a;
  --primary-dark: #35598a;
  --secondary: #53b1de;
  --accent: #37a9e0;
  --border: #cfd7e3;
  --shadow: 0 10px 24px rgba(31, 37, 48, 0.08);
  --radius: 14px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.56;
}

.container {
  width: min(1140px, 92vw);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(8px);
}

.header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: inherit;
  font-weight: 800;
}

.brand-mark {
  display: block;
  width: 24px;
  height: 24px;
  object-fit: cover;
  border-radius: 8px;
  background: linear-gradient(140deg, var(--secondary), var(--primary));
}

.main-nav {
  display: flex;
  gap: 20px;
}

.main-nav a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  border: 2px solid var(--primary);
  padding: 8px 12px;
  border-radius: 8px;
  display: inline-block;
}

.main-nav a:hover {
  background: var(--primary);
  color: #fff;
}

.header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 12px 18px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 700;
  transition: 0.2s ease;
}

.btn-primary {
  color: var(--primary);
  background: transparent;
  border: 2px solid var(--primary);
}

.btn-primary:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.btn-outline {
  color: var(--primary);
  border: 1px solid var(--accent);
  background: #fff;
}

.btn-outline:hover {
  background: var(--bg-alt);
}

.link-action {
  color: var(--primary);
  font-weight: 700;
  text-decoration: none;
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
}

.link-action:hover {
  border-bottom-color: var(--accent);
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  padding: 7px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--primary);
  text-decoration: none;
  font-weight: 700;
  line-height: 1;
}

.lang-switch:hover {
  border-color: var(--primary);
  background: var(--bg-alt);
}

.hero {
  padding: 62px 0 34px;
  background: var(--bg);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.06fr 0.94fr;
  gap: 24px;
  align-items: stretch;
}

.kicker {
  margin: 0;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.82rem;
  font-weight: 800;
}

h1 {
  font-size: clamp(2rem, 3.5vw, 3.1rem);
  line-height: 1.14;
  margin: 10px 0 14px;
}

.lead {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.hero-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 22px;
}

.hero-badges {
  margin-top: 16px;
  display: flex;
  gap: 9px;
  flex-wrap: wrap;
}

.hero-badges span {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 7px 12px;
  font-size: 0.9rem;
  color: var(--muted);
  font-weight: 600;
}

.hero-panel {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}

.hero-panel h2 {
  margin: 0 0 10px;
  font-size: 1.32rem;
  color: var(--primary);
}

.hero-panel p {
  margin: 0;
  color: var(--muted);
}

.hero-panel ul {
  margin: 14px 0 0;
  padding-left: 20px;
  color: var(--text);
}

.hero-panel li {
  margin: 6px 0;
}

.section {
  padding: 66px 0;
}

.section-alt {
  background: var(--bg-alt);
}

h2 {
  font-size: clamp(1.5rem, 2.2vw, 2rem);
  margin: 0 0 10px;
}

.section-sub {
  margin: 0 0 24px;
  color: var(--muted);
  max-width: 90ch;
}

.cards {
  display: grid;
  gap: 16px;
}

.cards-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  background: var(--surface);
  box-shadow: 0 5px 18px rgba(0, 0, 0, 0.04);
}

.card h3 {
  margin: 0 0 8px;
  font-size: 1.15rem;
}

.card p {
  margin: 0;
  color: var(--muted);
}

.role-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.mini-cta {
  margin-top: auto;
  text-align: center;
  text-decoration: none;
  font-weight: 700;
  background: var(--primary);
  color: #fff;
  border-radius: 999px;
  padding: 9px 12px;
}

.mini-cta:hover {
  background: var(--primary-dark);
}

.note-box {
  margin: 20px 0 0;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: var(--radius);
  color: var(--muted);
  padding: 14px 16px;
}

.feature-card h3 {
  color: var(--primary);
}

.video-wrap {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 */
  height: 0;
  overflow: hidden;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.video-wrap iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
  border-radius: var(--radius);
}

.cta-strip {
  background: linear-gradient(140deg, rgba(83, 177, 222, 0.22), rgba(63, 103, 154, 0.15));
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.cta-inner p {
  margin: 8px 0 0;
  color: var(--muted);
}

.site-footer {
  border-top: 1px solid var(--border);
  background: #fff;
  padding: 20px 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  font-size: 0.94rem;
  color: var(--muted);
}

@media (max-width: 1080px) {
  .header-inner {
    flex-wrap: wrap;
    padding: 10px 0;
  }

  .main-nav {
    order: 3;
    width: 100%;
    gap: 14px;
    overflow-x: auto;
    white-space: nowrap;
    padding-bottom: 2px;
  }

  .main-nav a {
    flex: 0 0 auto;
  }

  .hero-grid {
    grid-template-columns: 1fr;
  }

  .cards-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .header-actions {
    width: 100%;
    justify-content: flex-start;
  }

  .cards-3 {
    grid-template-columns: 1fr;
  }

  .cta-inner,
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}