/* ============================================
   StealthSIM - Main Stylesheet
   Colors: Black + Orange
   ============================================ */

:root {
  --bg-primary: #0a0a0a;
  --bg-secondary: #111111;
  --bg-card: #1a1a1a;
  --bg-input: #222222;
  --orange: #ff6600;
  --orange-hover: #e65c00;
  --orange-light: #ff8533;
  --orange-glow: rgba(255, 102, 0, 0.3);
  --text-primary: #ffffff;
  --text-secondary: #a0a0a0;
  --text-muted: #666666;
  --border-color: #2a2a2a;
  --border-orange: #ff6600;
  --success: #00cc66;
  --error: #ff3344;
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

a {
  color: var(--orange);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--orange-light);
}

/* ============================================
   Layout
   ============================================ */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

/* ============================================
   Navigation
   ============================================ */

.navbar {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 0 20px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 1.2rem;
  text-decoration: none;
}

.nav-logo:hover {
  color: var(--orange);
}

.logo-icon {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.logo-text {
  color: var(--text-primary);
  font-weight: 700;
  font-size: 1.1rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--orange);
}

.nav-links .nav-btn {
  background: var(--orange);
  color: #000;
  padding: 8px 20px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.85rem;
}

.nav-links .nav-btn:hover {
  background: var(--orange-hover);
  color: #000;
}

.nav-user {
  color: var(--text-secondary);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-user span {
  color: var(--orange);
}

.nav-user a {
  color: var(--text-muted);
  font-size: 0.8rem;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  margin: 4px 0;
  border-radius: 2px;
  transition: 0.3s;
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
  padding: 100px 20px 80px;
  text-align: center;
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 50% 50%, rgba(255, 102, 0, 0.03) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(255, 102, 0, 0.1);
  border: 1px solid rgba(255, 102, 0, 0.2);
  border-radius: 20px;
  color: var(--orange);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #fff 0%, var(--orange-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================
   Buttons
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  text-decoration: none;
  font-family: var(--font-main);
}

.btn-primary {
  background: var(--orange);
  color: #000;
}

.btn-primary:hover {
  background: var(--orange-hover);
  color: #000;
  transform: translateY(-1px);
  box-shadow: 0 4px 20px var(--orange-glow);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  border-color: var(--orange);
  color: var(--orange);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.8rem;
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.1rem;
}

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

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* ============================================
   Features Section
   ============================================ */

.features {
  padding: 80px 20px;
  background: var(--bg-secondary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 32px;
  transition: all 0.3s;
}

.feature-card:hover {
  border-color: var(--orange);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.3);
}

.feature-icon {
  width: 48px;
  height: 48px;
  background: rgba(255, 102, 0, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ============================================
   Plans / Products
   ============================================ */

.plans-section {
  padding: 80px 20px;
}

.section-header {
  text-align: center;
  margin-bottom: 48px;
}

/* ============================================
   Country Tabs
   ============================================ */

.country-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-bottom: 40px;
  padding: 0 20px;
}

.country-tab {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 10px 20px;
  border-radius: 8px;
  cursor: pointer;
  font-family: var(--font-main);
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.2s ease;
}

.country-tab:hover {
  border-color: var(--orange);
  color: var(--text-primary);
  background: var(--bg-input);
}

.country-tab.active {
  background: var(--orange);
  border-color: var(--orange);
  color: #000;
  font-weight: 600;
}

.country-plans-section {
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.plans-hero {
  text-align: center;
  padding: 60px 20px 40px;
}

.plans-hero h1 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.plans-hero p {
  color: var(--text-secondary);
  font-size: 1rem;
  max-width: 500px;
  margin: 0 auto;
}

.section-header h2 {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.section-header p {
  color: var(--text-secondary);
  font-size: 1rem;
  max-width: 500px;
  margin: 0 auto;
}

.plans-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.plan-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  transition: all 0.3s;
  position: relative;
}

.plan-card:hover {
  border-color: var(--orange);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.3);
}

.plan-card.featured {
  border-color: var(--orange);
  background: linear-gradient(180deg, var(--bg-card) 0%, rgba(255, 102, 0, 0.03) 100%);
}

.plan-badge {
  position: absolute;
  top: -10px;
  right: 20px;
  background: var(--orange);
  color: #000;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 4px 12px;
  border-radius: 4px;
}

.plan-card-header {
  margin-bottom: 16px;
}

.plan-data {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 2px;
}

.plan-validity {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.plan-features {
  list-style: none;
  margin: 16px 0;
  flex: 1;
}

.plan-features li {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 0;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.plan-features li::before {
  content: '✓';
  color: var(--orange);
  font-weight: 700;
}

.plan-card-footer {
  margin-top: auto;
}

.plan-price {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.plan-price-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 400;
}

/* ============================================
   Tabs / Filters
   ============================================ */

.tab-bar {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 8px 20px;
  border-radius: 8px;
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  font-family: var(--font-main);
}

.tab-btn:hover {
  border-color: var(--text-muted);
  color: var(--text-primary);
}

.tab-btn.active {
  background: var(--orange);
  color: #000;
  border-color: var(--orange);
  font-weight: 600;
}

/* ============================================
   Forms
   ============================================ */

.form-container {
  max-width: 420px;
  margin: 60px auto;
  padding: 0 20px;
}

.form-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 36px;
}

.form-card h1 {
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.form-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: var(--font-main);
  transition: border-color 0.2s;
}

.form-input:focus {
  outline: none;
  border-color: var(--orange);
  box-shadow: 0 0 0 3px var(--orange-glow);
}

.form-input::placeholder {
  color: var(--text-muted);
}

.form-error {
  color: var(--error);
  font-size: 0.8rem;
  margin-top: 4px;
}

.form-success {
  color: var(--success);
  font-size: 0.8rem;
  margin-top: 4px;
}

.form-footer {
  text-align: center;
  margin-top: 20px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.form-footer a {
  color: var(--orange);
  font-weight: 500;
}

.alert {
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 0.85rem;
  margin-bottom: 16px;
}

.alert-error {
  background: rgba(255, 51, 68, 0.1);
  border: 1px solid rgba(255, 51, 68, 0.2);
  color: var(--error);
}

.alert-success {
  background: rgba(0, 204, 102, 0.1);
  border: 1px solid rgba(0, 204, 102, 0.2);
  color: var(--success);
}

/* ============================================
   Dashboard
   ============================================ */

.dashboard {
  padding: 40px 20px;
}

.dashboard-header {
  margin-bottom: 32px;
}

.dashboard-header h1 {
  font-size: 1.8rem;
  margin-bottom: 4px;
}

.dashboard-header p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin-bottom: 40px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 24px;
}

.stat-card .stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.stat-card .stat-value {
  font-size: 1.8rem;
  font-weight: 700;
}

.esim-list {
  display: grid;
  gap: 12px;
}

.esim-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.esim-info h3 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.esim-info p {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.esim-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 500;
}

.esim-status.active {
  color: var(--success);
}

.esim-status.active::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
}

.esim-status.used {
  color: var(--text-muted);
}

.esim-status.expired {
  color: var(--error);
}

/* ============================================
   Checkout
   ============================================ */

.checkout-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 32px;
  max-width: 900px;
  margin: 40px auto;
  padding: 0 20px;
  align-items: start;
}

.checkout-summary {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
  position: sticky;
  top: 100px;
}

.checkout-summary h3 {
  font-size: 1.1rem;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.summary-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  font-size: 0.9rem;
}

.summary-row.total {
  border-top: 1px solid var(--border-color);
  margin-top: 8px;
  padding-top: 12px;
  font-weight: 700;
  font-size: 1.1rem;
}

.payment-note {
  margin-top: 12px;
  padding: 10px;
  background: rgba(255, 102, 0, 0.08);
  border-radius: 8px;
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-align: center;
}

/* ============================================
   Legal Pages
   ============================================ */

.legal-page {
  max-width: 720px;
  margin: 60px auto;
  padding: 0 20px;
}

.legal-page h1 {
  font-size: 2rem;
  margin-bottom: 8px;
}

.legal-page .date {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 32px;
}

.legal-page h2 {
  font-size: 1.2rem;
  margin: 28px 0 12px;
  color: var(--orange);
}

.legal-page p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 12px;
}

.legal-page ul {
  color: var(--text-secondary);
  padding-left: 20px;
  margin-bottom: 12px;
}

.legal-page ul li {
  margin-bottom: 6px;
  line-height: 1.6;
}

/* ============================================
   Footer
   ============================================ */

.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 60px 20px 30px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-top: 12px;
  max-width: 300px;
  line-height: 1.6;
}

.footer-col h4 {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  color: var(--text-secondary);
  font-size: 0.85rem;
  padding: 4px 0;
}

.footer-col a:hover {
  color: var(--orange);
}

.footer-bottom {
  max-width: 1200px;
  margin: 40px auto 0;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ============================================
   Country/Type Badges
   ============================================ */

.badge-country {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-germany {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 204, 0, 0.3);
  color: #ffcc00;
}

.badge-austria {
  background: rgba(237, 41, 57, 0.15);
  border: 1px solid rgba(237, 41, 57, 0.3);
  color: #ed2939;
}

.badge-colombia {
  background: rgba(255, 205, 0, 0.15);
  border: 1px solid rgba(255, 205, 0, 0.3);
  color: #ffcd00;
}

.badge-georgia {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #ffffff;
}

.badge-kosovo {
  background: rgba(0, 79, 159, 0.2);
  border: 1px solid rgba(0, 79, 159, 0.4);
  color: #66aaff;
}

.badge-mexico {
  background: rgba(0, 104, 71, 0.2);
  border: 1px solid rgba(0, 104, 71, 0.4);
  color: #00cc66;
}

.badge-morocco {
  background: rgba(193, 39, 45, 0.15);
  border: 1px solid rgba(193, 39, 45, 0.3);
  color: #c1272d;
}

.badge-usa {
  background: rgba(59, 89, 152, 0.2);
  border: 1px solid rgba(59, 89, 152, 0.4);
  color: #4a90ff;
}

.badge-type {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: rgba(0, 204, 102, 0.1);
  border: 1px solid rgba(0, 204, 102, 0.2);
  color: var(--success);
}

.badge-data {
  background: rgba(0, 204, 102, 0.1);
  border: 1px solid rgba(0, 204, 102, 0.2);
  color: var(--success);
}

.badge-voice {
  background: rgba(255, 102, 0, 0.1);
  border: 1px solid rgba(255, 102, 0, 0.2);
  color: var(--orange);
}

/* ============================================
   Badge: Works in Germany (Austria Voice plans)
   ============================================ */

.badge-works-germany {
  display: inline-block;
  padding: 1px 5px;
  border-radius: 3px;
  font-size: 0.6rem;
  font-weight: 600;
  background: rgba(0, 102, 204, 0.15);
  border: 1px solid rgba(0, 102, 204, 0.3);
  color: #4da6ff;
  margin-left: 4px;
}

/* ============================================
   Tab Badge (e.g. Works in Germany on Austria tab)
   ============================================ */

.tab-badge {
  display: inline-block;
  padding: 1px 4px;
  border-radius: 2px;
  font-size: 0.55rem;
  font-weight: 700;
  background: rgba(0, 102, 204, 0.2);
  border: 1px solid rgba(0, 102, 204, 0.3);
  color: #4da6ff;
  margin-left: 3px;
  vertical-align: middle;
}

/* ============================================
   Loading / Empty States
   ============================================ */

.loading {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 60px;
}

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--border-color);
  border-top: 3px solid var(--orange);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.empty-state {
  text-align: center;
  padding: 60px 20px;
}

.empty-state h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.empty-state p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.2rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .mobile-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    flex-direction: column;
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    gap: 16px;
  }

  .nav-links.open {
    display: flex;
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }

  .checkout-layout {
    grid-template-columns: 1fr;
  }

  .checkout-summary {
    position: static;
  }

  .section-header h2 {
    font-size: 1.6rem;
  }

  .plans-grid {
    grid-template-columns: 1fr;
  }

  .plans-grid {
    grid-template-columns: repeat(2, 1fr); /* tablet: 2 cols */
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .esim-item {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 60px 16px 40px;
  }

  .hero h1 {
    font-size: 1.8rem;
  }

  .hero-actions {
    flex-direction: column;
  }

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

  .footer-inner {
    grid-template-columns: 1fr;
  }

  .plan-card {
    padding: 20px;
  }

  .plans-grid {
    grid-template-columns: 1fr; /* phone: 1 col */
  }
}