/* ===== Reset & Base ===== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #1d4ed8;
  --primary-dark: #1e3a8a;
  --primary-light: #dbeafe;
  --accent: #3b82f6;
  --text: #1f2937;
  --text-light: #6b7280;
  --bg: #f9fafb;
  --white: #ffffff;
  --border: #e5e7eb;
  --success: #10b981;
  --warning: #f59e0b;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.1);
}

html { scroll-behavior: smooth; }

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

a { text-decoration: none; color: inherit; }
button { cursor: pointer; font-family: inherit; }
img { max-width: 100%; display: block; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  border: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: all 0.2s;
}

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

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

.btn-outline {
  background: transparent;
  color: white;
  border: 1px solid rgba(255,255,255,0.4);
}
.btn-outline:hover { background: rgba(255,255,255,0.1); }

.btn-ghost {
  background: transparent;
  color: var(--text-light);
  border: 1px solid var(--border);
}
.btn-ghost:hover { background: var(--bg); }

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--primary-dark);
}

.logo-icon {
  width: 36px; height: 36px;
  background: var(--primary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

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

.desktop-nav {
  display: none;
  align-items: center;
  gap: 0.25rem;
}

.desktop-nav a {
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-light);
  transition: all 0.2s;
}

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

.auth-btns {
  display: none;
  align-items: center;
  gap: 0.5rem;
}

.auth-btns a {
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
}

.mobile-toggle {
  display: block;
  background: none;
  border: none;
  padding: 0.5rem;
}

/* ===== Mobile Menu ===== */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 200;
  background: white;
  padding: 1.5rem;
  flex-direction: column;
  gap: 1rem;
}

.mobile-menu.open { display: flex; }

.mobile-menu-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.close-menu {
  background: none;
  border: none;
  padding: 0.5rem;
}

.mobile-menu a {
  padding: 0.75rem;
  border-radius: var(--radius);
  font-weight: 500;
  color: var(--text);
}

.mobile-menu a:hover { background: var(--primary-light); color: var(--primary); }

/* ===== Hero Section ===== */
.hero {
  position: relative;
  overflow: hidden;
  padding: 4rem 0;
  background: linear-gradient(135deg, #dbeafe 0%, #fff 50%, #e0e7ff 100%);
}

.hero-bg {
  position: absolute;
  inset: 0;
  opacity: 0.3;
}

.hero-bg::before {
  content: '';
  position: absolute;
  right: -5rem;
  top: -5rem;
  width: 24rem;
  height: 24rem;
  background: #bfdbfe;
  border-radius: 50%;
  filter: blur(80px);
}

.hero-inner {
  position: relative;
  display: grid;
  gap: 3rem;
  align-items: center;
}

.hero-content h1 {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.1;
  color: var(--text);
  margin-bottom: 1rem;
}

.hero-content h1 span { color: var(--primary); }

.hero-content p {
  font-size: 1.1rem;
  color: var(--text-light);
  margin-bottom: 1.5rem;
}

.search-bar {
  display: flex;
  gap: 0.5rem;
  max-width: 480px;
}

.search-bar input {
  flex: 1;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 1rem;
}

.hero-stats {
  display: none;
  gap: 2rem;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.stat-icon {
  width: 56px; height: 56px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ===== Feature Cards ===== */
.features-bar {
  padding: 3rem 0;
  background: white;
}

.features-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}

.feature-card {
  padding: 1.5rem;
  border-radius: 12px;
  border: 1px solid #dbeafe;
  background: linear-gradient(135deg, #eff6ff, white);
  transition: transform 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  width: 48px; height: 48px;
  border-radius: 10px;
  background: #dbeafe;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--text-light);
}

/* ===== Section Headers ===== */
.section-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.section-header h2 {
  font-size: 1.8rem;
  font-weight: 700;
}

.section-header h2 span { color: var(--primary); }

.section-header p {
  color: var(--text-light);
  margin-top: 0.5rem;
}

/* ===== Cards Grid ===== */
.cards-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}

.card {
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.card-img {
  height: 180px;
  background: linear-gradient(135deg, #dbeafe, #e0e7ff);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #93bbfc;
}

.card-body { padding: 1.25rem; }

.card-body h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.card-body p {
  font-size: 0.9rem;
  color: var(--text-light);
  margin-bottom: 1rem;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-light);
  margin-bottom: 1rem;
}

.card-actions {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.card-actions .btn { width: 100%; justify-content: center; }

/* ===== Badge ===== */
.badge {
  display: inline-flex;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-blue { background: #dbeafe; color: var(--primary); }

/* ===== Blue Section ===== */
.blue-section {
  padding: 4rem 0;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: white;
}

.blue-section h2 { font-size: 1.8rem; font-weight: 700; }

.blue-section h2 span { color: #93c5fd; }

.blue-section p { color: #bfdbfe; margin-top: 0.75rem; }

/* ===== Stats Bar ===== */
.stats-bar {
  padding: 3rem 0;
  background: white;
}

.stats-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(2, 1fr);
  text-align: center;
}

.stat-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-light);
}

/* ===== Footer ===== */
.site-footer {
  background: #0f1b4d;
  color: white;
  padding: 3rem 0 1.5rem;
}

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

.footer-col h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.footer-col p,
.footer-col a {
  font-size: 0.9rem;
  color: #93bbfc;
  display: block;
  margin-bottom: 0.5rem;
}

.footer-col a:hover { color: white; }

.social-links {
  display: flex;
  gap: 0.75rem;
  margin-top: 1rem;
}

.social-links a {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

.social-links a:hover { background: rgba(255,255,255,0.2); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 1.5rem;
  text-align: center;
  font-size: 0.85rem;
  color: #93bbfc;
}

/* ===== Page Hero ===== */
.page-hero {
  padding: 4rem 0;
  text-align: center;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: white;
}

.page-hero h1 {
  font-size: 2rem;
  font-weight: 800;
}

.page-hero h1 span { color: #93c5fd; }

.page-hero p {
  color: #bfdbfe;
  max-width: 600px;
  margin: 0.75rem auto 0;
}

.page-hero .btn-group {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

/* ===== Tabs ===== */
.tabs-list {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.tab-btn {
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: white;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-light);
  transition: all 0.2s;
}

.tab-btn.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

.tab-content { display: none; }

.tab-content.active { display: block; }

/* ===== Filters ===== */
.filter-bar {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 1.5rem;
}

.filter-bar label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-light);
}

.filter-bar select,
.filter-bar input {
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--border);
  font-size: 0.9rem;
  min-width: 150px;
}

/* ===== Process Steps ===== */
.steps-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr;
}

.step-item {
  text-align: center;
  position: relative;
}

.step-num {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: var(--primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
}

.step-item h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.step-item p {
  font-size: 0.9rem;
  color: var(--text-light);
}

/* ===== Forms ===== */
.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 0.35rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 1rem;
  font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.form-row {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

/* ===== Login Page ===== */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
}

.login-card {
  background: white;
  padding: 2.5rem;
  border-radius: 16px;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow-lg);
}

.login-card h2 {
  text-align: center;
  margin-bottom: 1.5rem;
}

/* ===== Responsive ===== */
@media (min-width: 640px) {
  .features-grid { grid-template-columns: repeat(3, 1fr); }
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(4, 1fr); }
  .form-row { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 768px) {
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(4, 1fr); }
  .hero-inner { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 1024px) {
  .desktop-nav { display: flex; }
  .auth-btns { display: flex; }
  .mobile-toggle { display: none; }
  .hero-stats { display: flex; }
  .footer-grid { grid-template-columns: 2fr 1fr 1fr 1.5fr; }
  .cards-grid { grid-template-columns: repeat(3, 1fr); }
  .hero-content h1 { font-size: 3.5rem; }
}

/* ===== Loading ===== */
.skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius);
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ===== Utilities ===== */
.text-center { text-align: center; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.flex { display: flex; }
.gap-2 { gap: 0.5rem; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.flex-wrap { flex-wrap: wrap; }
.w-full { width: 100%; }
.hidden { display: none; }
.line-clamp { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.section-padding { padding: 3rem 0; }
.bg-white { background: white; }
.bg-gray { background: var(--bg); }