:root {
  --bg: #f4f6f9;
  --surface: #ffffff;
  --surface-2: #f0f4fa;
  --text: #172230;
  --text-soft: #4a5b72;
  --line: #d7e0eb;
  --brand: #0e4a8f;
  --brand-2: #1386a1;
  --accent: #f59f3a;
  --shadow: 0 14px 38px rgba(13, 36, 67, 0.12);
}

* { box-sizing: border-box; }

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

body {
  font-family: "Plus Jakarta Sans", "Noto Sans SC", "Segoe UI", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 20% 10%, #eef4ff 0, #f4f6f9 45%, #edf2f9 100%);
  min-height: 100vh;
}

.site-wrap {
  width: min(1160px, 92%);
  margin: 0 auto;
  padding: 20px 0 48px;
  position: relative;
}

.bg-orb {
  position: fixed;
  z-index: -1;
  border-radius: 999px;
  filter: blur(22px);
  opacity: 0.45;
}

.bg-orb--a {
  width: 260px;
  height: 260px;
  background: linear-gradient(135deg, #77b3f8, #9fe9de);
  top: 12%;
  left: 2%;
}

.bg-orb--b {
  width: 320px;
  height: 320px;
  background: linear-gradient(135deg, #f9d39d, #f5a2a2);
  bottom: 6%;
  right: 2%;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}

.brand {
  text-decoration: none;
  color: var(--surface);
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  letter-spacing: 0.08em;
  box-shadow: var(--shadow);
}

.lang-switch {
  display: inline-flex;
  gap: 8px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px;
}

.lang-btn {
  border: 0;
  border-radius: 999px;
  background: transparent;
  padding: 7px 16px;
  font-weight: 700;
  color: var(--text-soft);
  cursor: pointer;
}

.lang-btn.is-active {
  color: #fff;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
}

.hero {
  background: linear-gradient(130deg, #ffffff, #f8fbff 60%, #eef7ff);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
  padding: clamp(22px, 5vw, 38px);
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 24px;
}

.tagline {
  display: inline-flex;
  border: 1px solid #bdd3eb;
  background: #edf5ff;
  color: #1f558e;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
  margin: 0 0 10px;
}

h1 {
  margin: 0 0 8px;
  font-size: clamp(1.8rem, 3vw, 2.7rem);
  line-height: 1.1;
}

.role {
  margin: 0 0 14px;
  color: #163f67;
  font-weight: 700;
  font-size: 1.05rem;
}

.summary {
  margin: 0;
  color: var(--text-soft);
  line-height: 1.75;
}

.hero__cta {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.btn {
  text-decoration: none;
  border-radius: 12px;
  padding: 11px 18px;
  font-weight: 700;
  font-size: 0.95rem;
  transition: transform 0.2s ease;
}

.btn:hover { transform: translateY(-2px); }

.btn--primary {
  color: #fff;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
}

.btn--ghost {
  color: var(--brand);
  border: 1px solid #b8c9de;
  background: #fff;
}

.card {
  background: linear-gradient(160deg, #fff, var(--surface-2));
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px;
}

.card h2 {
  margin: 0 0 12px;
  font-size: 1rem;
}

.quick-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.quick-list li {
  color: var(--text-soft);
  border-left: 3px solid #9fc4ea;
  padding-left: 10px;
  line-height: 1.45;
}

.section {
  margin-top: 24px;
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 20px;
}

.section-head h2 {
  margin: 0 0 14px;
  font-size: 1.18rem;
}

.strength-grid,
.link-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.strength-card,
.link-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  padding: 14px;
}

.strength-card h3,
.link-card h3 {
  margin: 0 0 8px;
  font-size: 1rem;
}

.strength-card p,
.link-card p {
  margin: 0;
  color: var(--text-soft);
  line-height: 1.6;
}

.timeline {
  display: grid;
  gap: 12px;
}

.timeline-item {
  border-left: 4px solid #b7cce4;
  padding: 12px 0 12px 14px;
  background: linear-gradient(90deg, #fbfdff, #fff);
  border-radius: 10px;
}

.timeline-item h3 {
  margin: 0;
  font-size: 1rem;
}

.timeline-meta {
  margin: 3px 0 7px;
  color: #55718f;
  font-size: 0.92rem;
}

.timeline-item ul {
  margin: 0;
  padding-left: 18px;
  color: var(--text-soft);
  line-height: 1.62;
}

.link-card {
  display: grid;
  gap: 10px;
}

.link-type {
  display: inline-flex;
  width: fit-content;
  font-size: 0.78rem;
  font-weight: 700;
  border-radius: 999px;
  padding: 5px 9px;
  background: #edf6ff;
  color: #245486;
}

.link-action {
  text-decoration: none;
  font-weight: 700;
  color: #0d4f96;
}

.footer {
  margin-top: 18px;
  color: var(--text-soft);
  font-size: 0.92rem;
  text-align: center;
}

.reveal {
  opacity: 0;
  transform: translateY(12px);
  animation: revealIn 0.5s ease forwards;
}

.reveal:nth-child(2) { animation-delay: 0.08s; }
.reveal:nth-child(3) { animation-delay: 0.16s; }
.reveal:nth-child(4) { animation-delay: 0.24s; }
.reveal:nth-child(5) { animation-delay: 0.32s; }

@keyframes revealIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
  }
  .strength-grid,
  .link-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .site-wrap {
    width: 94%;
    padding-top: 14px;
  }

  .strength-grid,
  .link-grid {
    grid-template-columns: 1fr;
  }

  .section,
  .hero {
    border-radius: 16px;
  }
}