@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
  --bg: #0b1624;
  --bg-alt: #101c2e;
  --card: #152339;
  --accent: #ffb347;
  --accent-strong: #ff8c42;
  --text: #e9edf5;
  --muted: #a8b5c7;
  --border: rgba(255, 255, 255, 0.08);
  --shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
  --radius: 16px;
  --transition: 0.25s ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: radial-gradient(circle at 20% 20%, rgba(255, 179, 71, 0.06), transparent 25%),
    radial-gradient(circle at 80% 0%, rgba(255, 140, 66, 0.06), transparent 25%),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

img {
  max-width: 100%;
  display: block;
  border-radius: var(--radius);
}

.container {
  width: min(1200px, 92vw);
  margin: 0 auto;
  padding: 0 12px;
}

.section {
  padding: 72px 0;
}

.section.small {
  padding: 48px 0;
}

h1, h2, h3, h4 {
  margin: 0 0 12px;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

p {
  margin: 0 0 12px;
  color: var(--muted);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 18px;
  border-radius: 12px;
  border: 1px solid transparent;
  font-weight: 600;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
}

.btn.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #0b0f17;
  box-shadow: 0 10px 30px rgba(255, 179, 71, 0.35);
}

.btn.ghost {
  border-color: var(--accent);
  color: var(--accent);
  background: transparent;
}

.btn.link {
  padding: 0;
  border: none;
  background: none;
  color: var(--accent);
}

.btn:hover {
  transform: translateY(-1px) scale(1.01);
  box-shadow: 0 18px 38px rgba(0, 0, 0, 0.38);
}

.btn.primary:hover {
  box-shadow: 0 20px 40px rgba(255, 179, 71, 0.45);
  background: linear-gradient(145deg, var(--accent-strong), var(--accent));
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 179, 71, 0.08);
  color: var(--accent);
  border: 1px solid rgba(255, 179, 71, 0.25);
  font-weight: 600;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition), background var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 22px 52px rgba(0, 0, 0, 0.5);
  border-color: rgba(255, 179, 71, 0.3);
  background: linear-gradient(180deg, rgba(255, 179, 71, 0.03), transparent);
}

.grid {
  display: grid;
  gap: 20px;
}

.grid.columns-2 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid.columns-3 {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.grid.columns-4 {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--header-bg);
  border-bottom: 1px solid var(--header-border);
  transition: background var(--transition), box-shadow var(--transition), border-color var(--transition);
  color: var(--header-link);
}

.site-header.scrolled {
  background: var(--header-bg);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  border-color: var(--header-border);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}

.logo {
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--accent);
  letter-spacing: 0.02em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 12px;
}

.menu-list {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
}

.menu-list a {
  padding: 10px 12px;
  border-radius: 10px;
  color: var(--text);
  font-weight: 500;
}

.menu-list a:hover {
  background: rgba(255, 179, 71, 0.1);
}

.dropdown {
  position: relative;
}

.dropdown-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 12px;
  background: none;
  border: none;
  color: var(--text);
  font-weight: 600;
  border-radius: 10px;
  cursor: pointer;
}

.dropdown-toggle:hover,
.dropdown.open > .dropdown-toggle {
  background: rgba(255, 179, 71, 0.1);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px;
  display: none;
  box-shadow: var(--shadow);
}

.dropdown-menu a {
  display: block;
  padding: 10px;
  border-radius: 10px;
}

.dropdown-menu a:hover {
  background: rgba(255, 179, 71, 0.12);
}

.dropdown:hover > .dropdown-menu {
  display: block;
}

.dropdown.open > .dropdown-menu {
  display: block;
}

.burger {
  display: none;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  cursor: pointer;
}

.burger span {
  width: 20px;
  height: 2px;
  background: currentColor;
  position: relative;
}

.burger span::before,
.burger span::after {
  content: '';
  position: absolute;
  left: 0;
  width: 20px;
  height: 2px;
  background: currentColor;
  transition: transform var(--transition), opacity var(--transition);
}

.burger span::before {
  top: -6px;
}

.burger span::after {
  top: 6px;
}

.main-nav.open .burger span {
  background: transparent;
}

.main-nav.open .burger span::before {
  transform: translateY(6px) rotate(45deg);
}

.main-nav.open .burger span::after {
  transform: translateY(-6px) rotate(-45deg);
}

.hero {
  display: grid;
  gap: 24px;
  align-items: center;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.hero-visual {
  position: relative;
}

.hero-visual img {
  width: 100%;
  object-fit: cover;
  max-height: 440px;
  animation: float 10s ease-in-out infinite;
}

.overlay-card {
  position: absolute;
  bottom: 12px;
  right: 12px;
  background: rgba(11, 22, 36, 0.8);
  border: 1px solid var(--border);
  padding: 12px 16px;
  border-radius: 12px;
  color: var(--muted);
  font-weight: 600;
}

.kicker {
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  font-weight: 700;
  font-size: 0.85rem;
}

.subtle-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 16px;
}

.feature-list {
  display: grid;
  gap: 10px;
}

.feature-list li {
  list-style: none;
  padding-left: 22px;
  position: relative;
  color: var(--muted);
}

.feature-list li::before {
  content: '•';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent);
}

.accordion {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
}

.accordion-item + .accordion-item {
  border-top: 1px solid var(--border);
}

.accordion button {
  width: 100%;
  background: none;
  border: none;
  color: inherit;
  text-align: left;
  padding: 18px;
  font-weight: 700;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.accordion button span {
  color: var(--muted);
  font-weight: 500;
}

.accordion .chevron {
  transition: transform var(--transition);
}

.accordion button[aria-expanded='true'] .chevron {
  transform: rotate(180deg);
}

.accordion-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  padding: 0 18px;
}

.accordion button[aria-expanded='true'] + .accordion-panel {
  max-height: 600px;
  padding-bottom: 16px;
}

.stats {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.stat {
  padding: 16px;
  border-radius: var(--radius);
  background: rgba(255, 179, 71, 0.08);
  border: 1px solid rgba(255, 179, 71, 0.25);
  min-width: 140px;
}

.footer {
  background: #0a1421;
  border-top: 1px solid var(--border);
  margin-top: 40px;
}

.footer .grid {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.footer a {
  color: var(--muted);
}

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

.footer-bottom {
  border-top: 1px solid var(--border);
  margin-top: 24px;
  padding-top: 16px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  color: var(--muted);
}

.reveal {
  opacity: 1;
  transform: none;
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

.reveal[data-reveal='up'],
.reveal[data-reveal='left'],
.reveal[data-reveal='right'],
.reveal[data-reveal='scale'] {
  transform: none;
}

.reveal[data-reveal='up'].visible,
.reveal[data-reveal='left'].visible,
.reveal[data-reveal='right'].visible,
.reveal[data-reveal='scale'].visible {
  transform: none;
}

.reveal-delay-1 {
  transition-delay: 0.08s;
}

.reveal-delay-2 {
  transition-delay: 0.16s;
}

.reveal-delay-3 {
  transition-delay: 0.24s;
}

@keyframes float {
  0% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-6px);
  }
  100% {
    transform: translateY(0);
  }
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(255, 179, 71, 0.1);
  color: var(--accent);
  font-weight: 600;
  font-size: 0.9rem;
}

.tablet-illustration {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(255, 179, 71, 0.08), rgba(0, 0, 0, 0.15));
  padding: 18px;
}

.timeline {
  display: grid;
  gap: 14px;
}

.timeline-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: start;
}

.timeline-number {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(255, 179, 71, 0.15);
  border: 1px solid rgba(255, 179, 71, 0.4);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: var(--accent);
}

.quote {
  font-style: italic;
  color: var(--muted);
}

@media (max-width: 900px) {
  .menu-list {
    position: fixed;
    inset: 0;
    flex-direction: column;
    padding: 92px 24px 32px;
    background: rgba(11, 22, 36, 0.95);
    transform: translateY(-100%);
    transition: transform 0.35s ease;
    overflow-y: auto;
  }

  .main-nav.open .menu-list {
    transform: translateY(0);
  }

  .nav-actions {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .dropdown-menu {
    position: relative;
  }

  .dropdown:hover > .dropdown-menu {
    display: none;
  }

  .burger {
    display: inline-flex;
  }
}

@media (max-width: 640px) {
  .button-row {
    flex-direction: column;
  }

  .nav-actions {
    grid-template-columns: 1fr;
  }

  .overlay-card {
    position: static;
    margin-top: 12px;
  }
}