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

:root {
  --primary: #4f46e5;
  --primary-dark: #4338ca;
  --primary-light: #818cf8;
  --bg: #ffffff;
  --bg-alt: #f4f6fa;
  --bg-dark: #0f172a;
  --text: #1e293b;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --border: #e2e8f0;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.08);
  --transition: 0.2s ease;
  --gradient: linear-gradient(135deg, #4f46e5 0%, #06b6d4 100%);
}

/* === Dark Theme === */
[data-theme="dark"] {
  --bg: #0f172a;
  --bg-alt: #1e293b;
  --bg-dark: #020617;
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --text-light: #64748b;
  --border: #334155;
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.3);
}

[data-theme="dark"] .nav {
  background: rgba(15,23,42,0.95);
  border-bottom-color: #334155;
}

[data-theme="dark"] .nav-cta {
  background: #e2e8f0;
  color: #0f172a !important;
}

[data-theme="dark"] .nav-cta:hover {
  background: var(--primary-light) !important;
  color: #fff !important;
}

[data-theme="dark"] .nav-toggle span { background: #e2e8f0; }

[data-theme="dark"] .feature-card {
  background: #1e293b;
}

[data-theme="dark"] .feature-icon {
  background: rgba(129,140,248,0.12);
}

[data-theme="dark"] .screenshot-showcase {
  background: #1e293b;
}

[data-theme="dark"] .screenshot-tab:hover { background: rgba(255,255,255,0.04); }

[data-theme="dark"] .screenshot-tab.active {
  background: #0f172a;
}

[data-theme="dark"] .screenshot-caption {
  background: #0f172a;
}

[data-theme="dark"] .pricing-card {
  background: #1e293b;
}

[data-theme="dark"] .pricing-card.featured {
  background: linear-gradient(#1e293b, #1e293b) padding-box,
              conic-gradient(from var(--angle, 0deg), #4f46e5, #06b6d4, #f59e0b, #ec4899, #4f46e5) border-box;
}

[data-theme="dark"] .btn-secondary {
  background: #1e293b;
  color: #e2e8f0;
  border-color: #475569;
}

[data-theme="dark"] .btn-secondary:hover {
  background: #334155;
  border-color: #94a3b8;
}

[data-theme="dark"] .hero-badge {
  background: rgba(129,140,248,0.15);
}

html { scroll-behavior: smooth; scroll-padding-top: 30px; }

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

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

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

/* === Navigation === */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(240,242,247,0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid #d8dde6;
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 32px;
  height: 64px;
  position: relative;
}

.nav-links { flex: 1; justify-content: center; }


.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text);
}

.nav-logo img { border-radius: 6px; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: all 0.25s ease;
  padding: 6px 14px;
  border-radius: 8px;
}

.nav-links a:hover {
  color: var(--text);
  background: rgba(0,0,0,0.04);
}

.nav-links a:active {
  transform: scale(0.95);
}

.nav-links a.active-link {
  color: var(--primary);
  background: rgba(79,70,229,0.08);
  font-weight: 600;
}

[data-theme="dark"] .nav-links a:hover {
  background: rgba(255,255,255,0.06);
}

[data-theme="dark"] .nav-links a.active-link {
  background: rgba(129,140,248,0.12);
}

.nav-cta {
  background: var(--text);
  color: #fff !important;
  padding: 8px 20px;
  border-radius: 8px;
  font-size: 0.85rem !important;
  transition: background var(--transition) !important;
}

.nav-cta:hover { background: var(--primary) !important; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* === Theme Toggle === */
.theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  position: absolute;
  right: 24px;
  flex-shrink: 0;
}

.toggle-track {
  position: relative;
  width: 48px;
  height: 26px;
  background: #e2e8f0;
  border-radius: 100px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 5px;
  transition: background 0.3s ease;
}

[data-theme="dark"] .toggle-track {
  background: #475569;
}

.toggle-thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 20px;
  height: 20px;
  background: #fff;
  border-radius: 50%;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
  transition: transform 0.3s ease;
}

[data-theme="dark"] .toggle-thumb {
  transform: translateX(22px);
}

.icon-sun { color: #f59e0b; }
.icon-moon { color: #94a3b8; }

[data-theme="dark"] .icon-sun { color: #64748b; }
[data-theme="dark"] .icon-moon { color: #fbbf24; }

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 2px 12px rgba(79,70,229,0.3);
}

.btn-primary:hover {
  background: var(--primary-dark);
  box-shadow: 0 4px 20px rgba(79,70,229,0.4);
  transform: translateY(-1px);
}

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

.btn-secondary:hover {
  background: #fff;
  border-color: var(--text-light);
  transform: translateY(-1px);
}

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

/* === Gradient Text === */
.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* === Hero === */
.hero {
  padding: 100px 0 100px;
  text-align: center;
  position: relative;
  overflow: hidden;
}


.network-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.hero-content { position: relative; z-index: 1; max-width: 720px; margin: 0 auto; }

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(79,70,229,0.08);
  color: var(--primary);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

.hero-stats {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
  flex-wrap: nowrap;
  max-width: none;
  margin-left: -100px;
  margin-right: -100px;
}

.stat { text-align: center; }

.stat strong {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
}

.stat span {
  font-size: 1.05rem;
  color: var(--text-muted);
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* === Section Header === */
.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 40px;
}

.section-header h2 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-header p {
  font-size: 1.05rem;
  color: var(--text-muted);
}

/* === Features === */
.features {
  padding: 58px 0 86px;
  background: var(--bg-alt);
}

.features .section-header { margin-bottom: 24px; }

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.feature-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 24px;
  transition: all 0.3s ease;
}

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

.feature-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(79,70,229,0.08);
  color: var(--primary);
  border-radius: 10px;
  margin-bottom: 12px;
}

.feature-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

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

/* === Screenshots === */
.screenshots {
  padding: 48px 0;
}

.screenshot-showcase {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  max-width: 1050px;
  margin: 0 auto;
}

.screenshot-tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.screenshot-tabs::-webkit-scrollbar { display: none; }

.screenshot-tab {
  flex: 1;
  min-width: max-content;
  padding: 12px 24px;
  background: none;
  border: none;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition);
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}

.screenshot-tab:hover { color: var(--text); background: rgba(0,0,0,0.02); }

.screenshot-tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  background: #fff;
}

.screenshot-viewer {
  position: relative;
  min-height: 300px;
}

.screenshot-slide {
  display: none;
  animation: fadeIn 0.3s ease;
}

.screenshot-slide.active { display: block; }

.screenshot-slide img {
  width: 100%;
  display: block;
}

.screenshot-caption {
  padding: 14px 32px;
  font-size: 0.85rem;
  color: var(--text-muted);
  background: #fff;
  border-top: 1px solid var(--border);
  text-align: center;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* === Pricing === */
.pricing {
  padding: 64px 0;
  background: var(--bg-alt);
  scroll-margin-top: 35px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  align-items: start;
}

.pricing-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  position: relative;
  transition: all 0.3s ease;
}

.pricing-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.pricing-card.featured {
  border: 3px solid transparent;
  background: linear-gradient(#fff, #fff) padding-box,
              conic-gradient(from var(--angle, 0deg), #4f46e5, #06b6d4, #f59e0b, #ec4899, #4f46e5) border-box;
  box-shadow: 0 4px 30px rgba(79,70,229,0.25), 0 0 16px rgba(6,182,212,0.15);
  animation: rotateGradient 3s linear infinite;
}

@property --angle {
  syntax: "<angle>";
  initial-value: 0deg;
  inherits: false;
}

@keyframes rotateGradient {
  to { --angle: 360deg; }
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: #fff;
  padding: 4px 16px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}

.pricing-tier {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.pricing-price {
  margin-bottom: 8px;
  display: flex;
  align-items: baseline;
  gap: 2px;
}

.price-currency {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--text);
}

.price-amount {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}

.price-period {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-left: 4px;
}

.pricing-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.5;
}

.pricing-features {
  list-style: none;
  margin-bottom: 20px;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 5px 0;
  font-size: 0.9rem;
  color: var(--text);
}

.pricing-features svg { color: var(--primary); flex-shrink: 0; }

/* === Footer === */
.footer {
  padding: 0;
  min-height: 100vh;
  background: var(--bg-dark);
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: #cbd5e1;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}

.footer-brand img { border-radius: 8px; }

.footer-tagline {
  color: var(--text-light);
  font-size: 0.9rem;
  line-height: 1.6;
}

.footer-col h4 {
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.footer-col a, .footer-location {
  display: block;
  color: var(--text-light);
  font-size: 0.9rem;
  padding: 4px 0;
  transition: color var(--transition);
}

.footer-col a:hover { color: #fff; }

.footer-bottom {
  padding: 24px 0;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--text-light);
}

/* === Scroll Reveal === */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* === Responsive === */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }

  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    gap: 0;
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
  }

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

  .nav-links li { width: 100%; }

  .nav-links a {
    display: block;
    padding: 14px 24px;
    font-size: 1rem;
  }

  .nav-cta {
    margin: 8px 24px;
    text-align: center;
    width: calc(100% - 48px) !important;
  }

  .hero { padding: 120px 0 60px; }
  .hero h1 { font-size: 2rem; }
  .hero-sub { font-size: 1rem; }
  .hero-stats { gap: 24px; }
  .stat-divider { display: none; }

  .features-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }

  .features, .screenshots, .pricing { padding: 60px 0; }
  .section-header { margin-bottom: 40px; }

  .screenshot-tabs { gap: 0; }
  .screenshot-tab { padding: 12px 16px; font-size: 0.8rem; }
  .screenshot-caption { padding: 16px; }

  [data-theme="dark"] .nav-links {
    background: rgba(15,23,42,0.98);
    border-bottom-color: #334155;
  }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 1.75rem; }
  .hero-actions { flex-direction: column; align-items: center; }
  .btn { width: 100%; justify-content: center; }
  .hero-stats { flex-direction: column; gap: 16px; }
}