:root {
  --primary: #16A286;
  --primary-dark: #117d68;
  --primary-light: #e8f6f3;
  --primary-glow: rgba(22, 162, 134, 0.15);
  --secondary: #2c3e50;
  --bg: #ffffff;
  --surface: #f9fafb;
  --text: #1f2937;
  --text-muted: #6b7280;
  --border: rgba(229, 231, 235, 0.8);
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.4);
  --radius: 16px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--text);
  background-color: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* --- Header & Glassmorphism --- */
header {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
  padding: 1.25rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
  transition: var(--transition);
}

header.scrolled {
  padding: 0.75rem 0;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-sm);
}

.nav-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--secondary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  letter-spacing: -0.025em;
}

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

.logo-dot {
  width: 10px;
  height: 10px;
  background: var(--primary);
  border-radius: 3px;
  transform: rotate(45deg);
}

nav ul {
  display: flex;
  list-style: none;
  gap: 2.5rem;
}

nav a {
  text-decoration: none;
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition);
}

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

/* --- Hero Section --- */
.hero {
  padding: 8rem 0 6rem;
  background:
    radial-gradient(circle at 0% 0%, var(--primary-light) 0%, transparent 40%),
    radial-gradient(circle at 100% 100%, #eff6ff 0%, transparent 40%);
  text-align: center;
}

.hero h1 {
  font-size: 4rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  line-height: 1;
  color: var(--secondary);
  letter-spacing: -0.04em;
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.75rem;
  }
}

.hero p {
  font-size: 1.35rem;
  color: var(--text-muted);
  max-width: 650px;
  margin: 0 auto 2.5rem;
  line-height: 1.5;
}

/* --- Cards & Glass Content --- */
.card {
  background: white;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 2.5rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-glow);
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--primary);
  opacity: 0;
  transition: var(--transition);
}

.card:hover::before {
  opacity: 1;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 2rem;
  border-radius: 99px;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  font-size: 1rem;
}

.btn-primary {
  background: var(--primary);
  color: white;
  box-shadow: 0 4px 14px 0 var(--primary-glow);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px 0 var(--primary-glow);
}

.btn-outline {
  border: 1px solid var(--border);
  color: var(--secondary);
  background: white;
}

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

/* --- Data Table --- */
table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}

th {
  background: var(--surface);
  color: var(--secondary);
  font-weight: 600;
  text-align: left;
  padding: 1.25rem;
  border-bottom: 1px solid var(--border);
}

td {
  padding: 1.25rem;
  border-bottom: 1px solid var(--border);
  background: white;
}

tr:last-child td {
  border-bottom: none;
}

/* --- Article Layout --- */
.article-layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 4rem;
  align-items: start;
  margin-top: 3rem;
}

.article-content {
  max-width: 800px;
}

.sidebar {
  position: sticky;
  top: 8rem;
}

.sidebar-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  margin-bottom: 2rem;
}

.sidebar-links {
  list-style: none;
  margin-top: 1.5rem;
}

.sidebar-links li {
  margin-bottom: 1.25rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.sidebar-links li:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.sidebar-links a {
  text-decoration: none;
  color: var(--secondary);
  font-weight: 600;
  font-size: 0.95rem;
  display: block;
  transition: var(--transition);
  line-height: 1.4;
}

.sidebar-links a:hover {
  color: var(--primary);
  transform: translateX(4px);
}

@media (max-width: 992px) {
  .article-layout {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .sidebar {
    position: static;
    order: 2;
  }
}

.article-content h1 {
  font-size: 3rem;
  margin-bottom: 2rem;
  letter-spacing: -0.03em;
}

.article-content h2 {
  font-size: 2rem;
  margin: 3rem 0 1.5rem;
  letter-spacing: -0.02em;
}

.article-content p {
  font-size: 1.125rem;
  margin-bottom: 1.5rem;
  color: #374151;
}

.article-content ul,
.article-content ol {
  margin-bottom: 2rem;
  padding-left: 1.5rem;
}

.article-content li {
  margin-bottom: 0.75rem;
  font-size: 1.125rem;
}

/* --- Forms --- */
.form-group {
  margin-bottom: 1.5rem;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--secondary);
  font-size: 0.9rem;
}

input,
select,
textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: white;
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition);
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-glow);
}

textarea {
  resize: vertical;
  min-height: 120px;
}

/* --- Policy Content --- */
.policy-content {
  max-width: 800px;
  margin: 0 auto;
}

.policy-content h1 {
  margin-bottom: 2rem;
}

.policy-content h2 {
  margin: 2rem 0 1rem;
}

.policy-content p {
  margin-bottom: 1.25rem;
}

.policy-content section {
  margin-bottom: 3rem;
}

/* --- Footer --- */
footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 6rem 0 3rem;
  margin-top: 6rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 2.5rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Utilities */
.text-primary {
  color: var(--primary);
}

.bg-surface {
  background: var(--surface);
}

.grid {
  display: grid;
  gap: 2.5rem;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

@media (max-width: 768px) {
  nav ul {
    display: none;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .hero {
    padding: 6rem 0 4rem;
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(15px);
  }

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

.animate-in {
  opacity: 0;
  animation: fadeIn 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.glass-card {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
}