:root {
  --primary: #0f766e;
  --primary-dark: #0b5d57;
  --secondary: #f59e0b;
  --bg: #f8fafc;
  --white: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --border: #e5e7eb;
  --card-shadow: 0 10px 30px rgba(15, 118, 110, 0.08);
  --radius: 18px;
  --max-width: 1180px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Segoe UI", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
}

a {
  color: inherit;
  text-decoration: none;
}

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

.container {
  width: min(92%, var(--max-width));
  margin: 0 auto;
}

.topbar {
  background: var(--primary-dark);
  color: #e6fffb;
  font-size: 0.95rem;
}

.topbar .container {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
  flex-wrap: wrap;
}

.navbar {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
  gap: 24px;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 0.4px;
}

.logo span {
  color: var(--secondary);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 22px;
  flex-wrap: wrap;
}

.nav-links a {
  font-weight: 600;
  color: var(--text);
  transition: 0.25s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--primary);
}

.btn {
  display: inline-block;
  background: var(--primary);
  color: white;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 700;
  transition: 0.25s ease;
  border: 2px solid transparent;
}

.btn:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: white;
}

.hero {
  background:
    linear-gradient(rgba(15, 118, 110, 0.78), rgba(11, 93, 87, 0.82)),
    url("https://images.unsplash.com/photo-1517486808906-6ca8b3f04846?auto=format&fit=crop&w=1400&q=80") center/cover;
  color: white;
  padding: 110px 0 90px;
}

.hero-small {
  padding: 80px 0;
}

.hero-content {
  max-width: 720px;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 4rem);
  line-height: 1.15;
  margin-bottom: 18px;
}

.hero p {
  font-size: 1.1rem;
  color: #ecfeff;
  margin-bottom: 28px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.section {
  padding: 76px 0;
}

.section-title {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 46px;
}

.section-title h2 {
  font-size: 2.2rem;
  color: var(--primary-dark);
  margin-bottom: 12px;
}

.section-title p {
  color: var(--muted);
  font-size: 1rem;
}

.grid-3,
.grid-2,
.grid-4 {
  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-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--card-shadow);
  border: 1px solid rgba(229, 231, 235, 0.8);
}

.card h3 {
  margin-bottom: 12px;
  color: var(--primary-dark);
  font-size: 1.25rem;
}

.card p,
.card li {
  color: var(--muted);
}

.card ul {
  padding-left: 20px;
}

.highlight {
  background: linear-gradient(135deg, #ccfbf1, #f0fdfa);
}

.stats {
  background: white;
}

.stat-card {
  text-align: center;
  padding: 30px 18px;
  border-radius: var(--radius);
  background: #f9fffe;
  border: 1px solid #d1fae5;
}

.stat-card h3 {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 8px;
}

.split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 34px;
  align-items: center;
}

.split-image {
  min-height: 380px;
  border-radius: var(--radius);
  background:
    linear-gradient(rgba(0, 0, 0, 0.18), rgba(0, 0, 0, 0.18)),
    url("images/p2.jpg") center/cover;
  box-shadow: var(--card-shadow);
}

.list-check {
  list-style: none;
  margin-top: 18px;
}

.list-check li {
  padding-left: 28px;
  position: relative;
  margin-bottom: 10px;
}

.list-check li::before {
  content: "✔";
  color: var(--secondary);
  font-weight: bold;
  position: absolute;
  left: 0;
  top: 0;
}

.banner {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  border-radius: var(--radius);
  padding: 38px;
  text-align: center;
}

.banner h3 {
  font-size: 1.8rem;
  margin-bottom: 12px;
}

.timeline {
  border-left: 3px solid #cbd5e1;
  margin-left: 8px;
  padding-left: 24px;
}

.timeline-item {
  margin-bottom: 28px;
  position: relative;
}

.timeline-item::before {
  content: "";
  width: 14px;
  height: 14px;
  background: var(--secondary);
  border-radius: 50%;
  position: absolute;
  left: -32px;
  top: 8px;
}

.form-box {
  background: white;
  padding: 30px;
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 700;
  color: var(--primary-dark);
}

.form-control {
  width: 100%;
  padding: 14px 14px;
  border: 1px solid #cbd5e1;
  border-radius: 14px;
  font-size: 1rem;
  outline: none;
  transition: 0.2s ease;
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(15, 118, 110, 0.08);
}

textarea.form-control {
  min-height: 140px;
  resize: vertical;
}

.footer {
  background: #0f172a;
  color: #cbd5e1;
  padding: 60px 0 20px;
  margin-top: 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 24px;
  margin-bottom: 28px;
}

.footer h4 {
  color: white;
  margin-bottom: 12px;
}

.footer p,
.footer li,
.footer a {
  color: #cbd5e1;
}

.footer ul {
  list-style: none;
}

.footer ul li {
  margin-bottom: 8px;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 18px;
  font-size: 0.95rem;
  text-align: center;
}

.notice {
  background: #fff7ed;
  border: 1px solid #fdba74;
  color: #9a3412;
  padding: 16px 18px;
  border-radius: 14px;
  margin-bottom: 28px;
}

.page-header {
  background: linear-gradient(135deg, #0f766e, #115e59);
  color: white;
  padding: 70px 0;
  text-align: center;
}

.page-header h1 {
  font-size: 2.5rem;
  margin-bottom: 10px;
}

.page-header p {
  max-width: 760px;
  margin: 0 auto;
  color: #d1fae5;
}

@media (max-width: 992px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-2, .split, .footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .nav-links {
    gap: 14px;
    font-size: 0.95rem;
  }

  .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 90px 0 70px;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .section {
    padding: 58px 0;
  }
}
.right-column {
    display: flex;
    flex-direction: column;
    gap: 24px;
  }
  
  .bottom-image {
    width: 100%;
    border-radius: var(--radius);
    box-shadow: var(--card-shadow);
    object-fit: cover;
  }