:root {
  --bg: #f6fbff;
  --card: #ffffff;
  --text: #16324f;
  --muted: #5d7285;
  --accent: #2a9d8f;
  --accent2: #264653;
  --line: #dbe7ef;
  --shadow: 0 12px 30px rgba(25, 55, 84, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Poppins', sans-serif;
  background: linear-gradient(180deg, #eef7ff, #f7fbff 30%, #ffffff);
  color: var(--text);
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Navigation */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.nav-wrap {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  font-weight: 700;
  color: var(--accent2);
  font-size: 20px;
}

nav {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

nav a {
  text-decoration: none;
  color: var(--text);
  font-weight: 500;
  transition: color 0.3s ease;
}

nav a:hover {
  color: var(--accent);
}

/* Hero Section */
.hero {
  padding: 72px 0 28px;
  background: linear-gradient(135deg, #1d3557, #2a9d8f);
  color: #fff;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: 24px;
  align-items: center;
}

.badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.16);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 14px;
  margin-bottom: 16px;
  font-weight: 500;
}

h1 {
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.05;
  margin: 0 0 14px;
}

h2 {
  margin: 0 0 14px;
  font-size: 24px;
  color: var(--accent2);
}

h3 {
  font-size: 18px;
  color: var(--accent2);
}

p {
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 20px;
}

.btn {
  display: inline-block;
  padding: 12px 18px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

.btn.primary {
  background: #fff;
  color: #1d3557;
}

.btn.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.btn.secondary {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.35);
}

.btn.secondary:hover {
  background: rgba(255, 255, 255, 0.1);
}

.hero-card {
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 22px;
  line-height: 1.6;
}

.hero-card p {
  margin: 10px 0;
  font-size: 15px;
}

/* Main Sections */
.section {
  margin-top: 22px;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 24px;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(25, 55, 84, 0.12);
}

/* Tags */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tags span {
  padding: 10px 14px;
  background: #eef8f7;
  border: 1px solid #d1eeea;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  color: var(--accent);
}

/* Lists */
.list {
  margin: 0;
  padding-left: 20px;
}

.list li {
  margin: 10px 0;
  line-height: 1.6;
}

/* Timeline */
.timeline {
  display: grid;
  gap: 14px;
}

.timeline-item {
  padding: 16px;
  border-left: 4px solid var(--accent);
  background: #fbfdff;
  border-radius: 14px;
  border: 1px solid var(--line);
  transition: all 0.3s ease;
}

.timeline-item:hover {
  background: #f0f8f7;
  border-left-color: var(--accent2);
}

.timeline-item h3 {
  margin: 0 0 6px;
}

.timeline-item p {
  margin: 8px 0;
}

.meta {
  color: var(--muted);
  font-size: 14px;
  margin: 0 0 8px;
}

/* Contact */
.contact-box {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
}

.contact-box a {
  display: inline-block;
  padding: 12px 16px;
  border-radius: 12px;
  background: #eef8f7;
  border: 1px solid #d1eeea;
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
}

.contact-box a:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

/* Footer */
footer {
  padding: 32px 20px 48px;
  color: var(--muted);
  text-align: center;
  margin-top: 48px;
  border-top: 1px solid var(--line);
}

/* Responsive */
@media (max-width: 800px) {
  .hero-grid,
  .grid-2 {
    grid-template-columns: 1fr;
  }

  .nav-wrap {
    flex-direction: column;
    align-items: flex-start;
    padding: 14px 0;
  }

  nav {
    width: 100%;
    flex-direction: column;
    gap: 8px;
  }

  nav a {
    padding: 8px 0;
    display: block;
  }

  .hero {
    padding: 48px 0 20px;
  }

  h1 {
    font-size: 28px;
  }

  h2 {
    font-size: 20px;
  }

  .card {
    padding: 16px;
  }

  .container {
    padding: 0 16px;
  }
}

@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
    text-align: center;
  }

  .contact-box {
    flex-direction: column;
  }

  .contact-box a {
    width: 100%;
    text-align: center;
  }

  nav {
    gap: 0;
  }

  nav a {
    padding: 10px 0;
    border-bottom: 1px solid var(--line);
  }
}