:root {
  --bg: #f7fafc;
  --surface: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --primary: #11a5ea;
  --primary-600: #0e93cf;
  --accent: #8ec2ff;
  --accent-strong: #1583ff;
  --sunset: #ffb37a;
  --sunset-strong: #ff8a4c;
  --nav-height: 72px;
  --ring: rgba(17, 165, 234, 0.28);
  --shadow-sm: 0 8px 20px rgba(2, 6, 23, 0.08);
  --shadow-md: 0 18px 40px rgba(2, 6, 23, 0.12);
  --shadow-lg: 0 30px 70px rgba(2, 6, 23, 0.18);
  --radius-sm: 12px;
  --radius: 16px;
  --radius-lg: 24px;
  --hero-gradient: linear-gradient(180deg, #8ec2ff 0%, #1e90ff 60%, #1583ff 100%);
}

@media (max-width: 900px) {
  :root {
    --nav-height: 128px;
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "DM Sans", "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  min-height: 100%;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: -10% -10% auto -10%;
  height: 55vh;
  background: radial-gradient(circle at 20% 20%, rgba(142, 194, 255, 0.45), transparent 60%),
    radial-gradient(circle at 80% 0%, rgba(17, 165, 234, 0.35), transparent 55%);
  z-index: -2;
  pointer-events: none;
}

body::after {
  content: "";
  position: fixed;
  inset: auto -20% -30% auto;
  width: 60vw;
  height: 60vw;
  background: radial-gradient(circle, rgba(255, 179, 122, 0.35), transparent 60%);
  z-index: -2;
  pointer-events: none;
}

img,
svg {
  display: block;
  max-width: 100%;
}

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

a:hover {
  color: var(--primary);
}

:focus-visible {
  outline: 3px solid var(--ring);
  outline-offset: 2px;
  border-radius: 8px;
}

main {
  display: block;
  padding-top: var(--nav-height);
}

section[id] {
  scroll-margin-top: calc(var(--nav-height) + 24px);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: "DM Sans", "Segoe UI", sans-serif;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0 0 0.6rem;
}

h1 {
  font-size: clamp(2.6rem, 4vw, 3.8rem);
}

h2 {
  font-size: clamp(2rem, 3vw, 2.8rem);
}

h3 {
  font-size: 1.4rem;
}

p {
  margin: 0 0 1rem;
}

.lead {
  font-size: 1.1rem;
  color: var(--muted);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.2);
  color: #ffffff;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  background: rgba(17, 165, 234, 0.12);
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

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

.section {
  padding: 80px 0;
}

.section.compact {
  padding: 56px 0;
}

.section-head {
  display: grid;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}

.grid {
  display: grid;
  gap: 24px;
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

@media (max-width: 900px) {
  .section {
    padding: 64px 0;
  }

  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes float-slow {
  0% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-12px);
  }
  100% {
    transform: translateY(0);
  }
}

.reveal {
  animation: fade-up 0.8s ease both;
}

.delay-1 {
  animation-delay: 0.12s;
}

.delay-2 {
  animation-delay: 0.24s;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--accent-strong));
  color: #ffffff;
  box-shadow: 0 12px 24px rgba(17, 165, 234, 0.35);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 30px rgba(17, 165, 234, 0.4);
  color: #ffffff;
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.35);
  color: #ffffff;
}

.btn-ghost:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.28);
}

.btn-outline {
  background: transparent;
  border-color: rgba(17, 165, 234, 0.4);
  color: var(--primary);
}

.btn-outline:hover {
  background: rgba(17, 165, 234, 0.1);
  color: var(--primary);
}

.btn-small {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
}

.card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(2, 6, 23, 0.08);
}

.card--glow {
  box-shadow: var(--shadow-md);
}

.card--sunset {
  background: linear-gradient(145deg, rgba(255, 179, 122, 0.25), rgba(255, 255, 255, 0.95));
}

.card--sky {
  background: linear-gradient(160deg, rgba(142, 194, 255, 0.35), rgba(255, 255, 255, 0.95));
}

.card-title {
  font-weight: 700;
  font-size: 1.1rem;
}

.card-meta {
  color: var(--muted);
  font-size: 0.9rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  background: rgba(17, 165, 234, 0.12);
  color: var(--primary);
  font-weight: 600;
  font-size: 0.75rem;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.06);
  color: var(--text);
  font-size: 0.75rem;
  font-weight: 600;
}

.stat-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.18);
  color: #ffffff;
  font-size: 0.8rem;
  font-weight: 600;
}

.ad-label {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.12);
  color: #111827;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.ad-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.ad-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  padding: 22px;
  background: linear-gradient(150deg, rgba(17, 165, 234, 0.12), rgba(255, 255, 255, 0.9));
  border: 1px solid rgba(17, 165, 234, 0.15);
  box-shadow: var(--shadow-sm);
  min-height: 200px;
}

.ad-card::after {
  content: "";
  position: absolute;
  inset: auto -30% -45% auto;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(17, 165, 234, 0.35), transparent 60%);
  opacity: 0.7;
}

.ad-card.sunset {
  background: linear-gradient(150deg, rgba(255, 179, 122, 0.35), rgba(255, 255, 255, 0.95));
  border-color: rgba(255, 179, 122, 0.45);
}

.ad-card.night {
  background: linear-gradient(150deg, rgba(15, 23, 42, 0.9), rgba(30, 64, 175, 0.75));
  color: #ffffff;
}

.ad-card.night .ad-label {
  background: rgba(255, 255, 255, 0.2);
  color: #ffffff;
}

.ad-card.night .btn-outline {
  border-color: rgba(255, 255, 255, 0.45);
  color: #ffffff;
}

.ad-card.night .btn-outline:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  width: 100%;
  backdrop-filter: blur(14px);
  background: rgba(255, 255, 255, 0.86);
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
  transition: background 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: 0.02em;
}

.brand span {
  font-weight: 600;
  color: var(--primary);
  font-size: 0.9rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.site-nav a {
  font-weight: 600;
  font-size: 0.95rem;
  color: #0f172a;
}

.site-nav a:hover {
  color: var(--primary);
}

@media (max-width: 900px) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-nav {
    width: 100%;
    justify-content: flex-start;
  }
}

.site-footer {
  padding: 40px 0 56px;
  background: #0f172a;
  color: #f8fafc;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.9rem;
}

.footer-links a {
  color: #cbd5f5;
}

.footer-links a:hover {
  color: #ffffff;
}

@media (max-width: 900px) {
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

.hero {
  position: relative;
  padding: 120px 0 96px;
  color: #ffffff;
  background: var(--hero-gradient);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 20% auto auto 10%;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.35), transparent 70%);
  animation: float-slow 6s ease-in-out infinite;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto -10% -30% auto;
  width: 360px;
  height: 360px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.25), transparent 70%);
  animation: float-slow 8s ease-in-out infinite;
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 48px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-copy .lead {
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 1.6rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 1.4rem;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-visual {
  display: grid;
  gap: 16px;
}

.hero-card {
  color: var(--text);
}

.card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.price {
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--primary);
}

.card-footer {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 1.25rem;
}

.mini-stat {
  display: grid;
  gap: 2px;
  font-size: 0.85rem;
  color: var(--muted);
}

.mini-stat strong {
  color: var(--text);
  font-weight: 700;
}

.hero-mini {
  display: grid;
  gap: 12px;
}

.mini-card {
  padding: 16px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.18);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.mini-card strong {
  display: block;
  font-size: 0.95rem;
  margin-bottom: 0.35rem;
}

.experience-grid,
.amenities-grid,
.usecase-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.experience-card {
  min-height: 230px;
}

.experience-card p {
  color: var(--muted);
}

.amenity-card {
  display: grid;
  gap: 0.6rem;
  padding: 20px;
  border-radius: var(--radius);
  border: 1px solid rgba(2, 6, 23, 0.08);
  background: rgba(255, 255, 255, 0.9);
}

.amenity-card span {
  font-weight: 700;
}

.usecase-card {
  padding: 22px;
  border-radius: var(--radius-lg);
  background: rgba(15, 23, 42, 0.04);
  border: 1px solid rgba(15, 23, 42, 0.08);
}

.about-grid {
  display: grid;
  gap: 32px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  align-items: start;
}

.about-card {
  display: grid;
  gap: 1rem;
  padding: 24px;
  border-radius: var(--radius-lg);
  background: rgba(17, 165, 234, 0.08);
  border: 1px solid rgba(17, 165, 234, 0.16);
}

.about-points {
  display: grid;
  gap: 0.75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.about-points li {
  padding-left: 1.4rem;
  position: relative;
}

.about-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
}

.api-panel {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  align-items: center;
  padding: 28px;
  border-radius: var(--radius-lg);
  background: #0f172a;
  color: #f8fafc;
}

.api-panel .lead {
  color: rgba(248, 250, 252, 0.8);
}

.code-block {
  background: #0b1220;
  border: 1px solid rgba(148, 163, 184, 0.2);
  padding: 18px;
  border-radius: var(--radius);
  font-family: "SFMono-Regular", "Courier New", monospace;
  font-size: 0.85rem;
  color: #e2e8f0;
  overflow-x: auto;
}

.stat-row {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

.hero-stats {
  margin-top: 20px;
}

.stat-card {
  padding: 18px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #ffffff;
}

.stat-card strong {
  font-size: 1.4rem;
}

@media (max-width: 900px) {
  .hero {
    padding: 96px 0 72px;
  }

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