/* Nordic Aurora / Tech Mint Theme */
:root {
  --primary: #059669; /* Emerald 600 */
  --primary-light: #10b981; /* Emerald 500 */
  --secondary: #0f172a; /* Slate 900 */
  --accent: #f59e0b; /* Amber 500 */
  --bg-light: #f8fafc;
  --bg-white: #ffffff;
  --text-main: #1e293b;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --card-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --header-height: 72px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text-main);
  background: var(--bg-light);
  line-height: 1.6;
}

.wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3 {
  color: var(--secondary);
  line-height: 1.2;
}

section {
  padding: 100px 0;
}

/* Navigation */
.site-nav {
  position: sticky;
  top: 0;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 700;
  font-size: 20px;
  color: var(--secondary);
}

.nav-menu {
  display: flex;
  gap: 8px;
}

.nav-link {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 15px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 6px;
  transition: all 0.3s ease;
}

.nav-link:hover {
  color: var(--primary);
  background: rgba(16, 185, 129, 0.05);
}

.nav-link.active {
  color: var(--primary);
  background: rgba(16, 185, 129, 0.1);
}

.nav-cta-btn {
  background: var(--primary);
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.3s;
}

.nav-cta-btn:hover {
  opacity: 0.9;
}

/* Hero Section */
.hero {
  background: radial-gradient(circle at 10% 20%, rgba(16, 185, 129, 0.05) 0%, transparent 40%),
              radial-gradient(circle at 90% 80%, rgba(15, 23, 42, 0.05) 0%, transparent 40%);
  padding: 120px 0 80px;
  text-align: center;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: white;
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  border: 1px solid var(--border);
  margin-bottom: 24px;
}

.hero-title {
  font-size: 56px;
  font-weight: 800;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.hero-desc {
  font-size: 20px;
  color: var(--text-muted);
  max-width: 800px;
  margin: 0 auto 40px;
}

.hero-btns {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 60px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
}

.btn-primary {
  background: var(--primary);
  color: white;
}

.btn-primary:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
}

.btn-outline {
  background: white;
  color: var(--secondary);
  border: 1px solid var(--border);
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}

.stat-item {
  background: white;
  padding: 24px;
  border-radius: 12px;
  box-shadow: var(--card-shadow);
}

.stat-val {
  display: block;
  font-size: 28px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 4px;
}

.stat-lbl {
  font-size: 14px;
  color: var(--text-muted);
  font-weight: 500;
}

/* Features */
.sec-head {
  text-align: center;
  margin-bottom: 60px;
}

.sec-title {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 16px;
}

.sec-sub {
  color: var(--text-muted);
  font-size: 18px;
}

.feat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.feat-card {
  background: white;
  padding: 40px;
  border-radius: 16px;
  box-shadow: var(--card-shadow);
  transition: transform 0.3s ease;
  border: 1px solid transparent;
}

.feat-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary-light);
}

.feat-ico {
  width: 48px;
  height: 48px;
  margin-bottom: 24px;
  color: var(--primary);
}

.feat-name {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}

.feat-desc {
  color: var(--text-muted);
  font-size: 15px;
}

.feat-deep {
  margin-top: 80px;
  display: flex;
  flex-direction: column;
  gap: 60px;
}

.deep-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 80px;
}

.deep-row.rev {
  direction: rtl;
}

.deep-info {
  direction: ltr;
}

.deep-title {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 24px;
}

.deep-p {
  font-size: 17px;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.deep-list {
  list-style: none;
}

.deep-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 16px;
}

.deep-list svg {
  width: 20px;
  height: 20px;
  color: var(--primary);
  flex-shrink: 0;
  margin-top: 3px;
}

/* Platforms */
.plat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.plat-card {
  background: white;
  padding: 32px;
  border-radius: 16px;
  text-align: center;
  border: 1px solid var(--border);
}

.plat-card.featured {
  border-color: var(--primary);
  background: linear-gradient(to bottom, #ffffff, #f0fdf4);
}

.plat-ico {
  width: 40px;
  height: 40px;
  margin-bottom: 16px;
}

.plat-name {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.plat-ver {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.plat-btn {
  width: 100%;
}

/* Reviews */
.rev-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.rev-card {
  background: white;
  padding: 32px;
  border-radius: 16px;
  box-shadow: var(--card-shadow);
}

.rev-stars {
  color: var(--accent);
  margin-bottom: 16px;
}

.rev-text {
  font-size: 16px;
  color: var(--text-main);
  margin-bottom: 20px;
  font-style: italic;
}

.rev-user {
  display: flex;
  align-items: center;
  gap: 12px;
}

.rev-avatar {
  width: 40px;
  height: 40px;
  background: #f1f5f9;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--primary);
}

.rev-name {
  font-weight: 600;
  font-size: 15px;
}

/* Security */
.sec-security {
  background: var(--secondary);
  color: white;
}

.sec-security h2 {
  color: white;
}

.sec-security .sec-sub {
  color: #94a3b8;
}

.sec-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 80px;
}

.sec-item {
  text-align: center;
}

.sec-item-ico {
  width: 48px;
  height: 48px;
  margin: 0 auto 20px;
  color: var(--primary-light);
}

.sec-item-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}

.sec-item-desc {
  color: #94a3b8;
  font-size: 15px;
}

.cmp-wrap {
  background: rgba(255, 255, 255, 0.05);
  padding: 40px;
  border-radius: 20px;
}

.cmp-table {
  width: 100%;
  border-collapse: collapse;
}

.cmp-table th {
  text-align: left;
  padding: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 18px;
}

.cmp-table td {
  padding: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 16px;
}

.cmp-table tr:last-child td {
  border: none;
}

.cmp-check {
  color: var(--primary-light);
  width: 20px;
  height: 20px;
}

/* Versions */
.ver-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.ver-card {
  background: white;
  padding: 48px 40px;
  border-radius: 20px;
  border: 1px solid var(--border);
  position: relative;
  display: flex;
  flex-direction: column;
}

.ver-card.pro {
  border-color: var(--primary);
  box-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.1);
  transform: scale(1.05);
}

.ver-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  background: var(--primary);
  color: white;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
}

.ver-name {
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 8px;
}

.ver-price {
  font-size: 40px;
  font-weight: 800;
  margin-bottom: 24px;
}

.ver-price span {
  font-size: 16px;
  color: var(--text-muted);
  font-weight: 500;
}

.ver-list {
  list-style: none;
  margin-bottom: 32px;
  flex-grow: 1;
}

.ver-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 15px;
}

/* FAQ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: white;
  border-radius: 12px;
  margin-bottom: 16px;
  border: 1px solid var(--border);
  overflow: hidden;
}

.faq-q {
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-weight: 700;
  user-select: none;
}

.faq-chevron {
  width: 20px;
  height: 20px;
  transition: transform 0.3s;
}

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: all 0.3s ease;
}

.faq-item.open .faq-a {
  max-height: 300px;
  border-top: 1px solid var(--border);
}

.faq-item.open .faq-chevron {
  transform: rotate(180deg);
}

.faq-inner {
  padding: 24px;
  color: var(--text-muted);
}

/* Footer */
.site-footer {
  background: #f1f5f9;
  padding: 40px 0;
  text-align: center;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
}

@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

/* Responsive */
@media (max-width: 992px) {
  .feat-grid, .plat-grid, .rev-grid, .ver-grid { grid-template-columns: repeat(2, 1fr); }
  .deep-row { grid-template-columns: 1fr; gap: 40px; }
  .hero-title { font-size: 40px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .nav-menu { display: none; }
  .feat-grid, .plat-grid, .rev-grid, .ver-grid, .hero-stats, .sec-grid { grid-template-columns: 1fr; }
  .hero-title { font-size: 32px; }
}
