:root {
  --bg: #f7f7fb;
  --ink: #17151f;
  --muted: #646071;
  --line: rgba(31, 27, 46, 0.12);
  --panel: rgba(255, 255, 255, 0.74);
  --violet: #6e56cf;
  --coral: #ff7a59;
  --aqua: #3ddcbe;
  --gold: #ffd166;
  --blue: #4d96ff;
  --shadow: 0 24px 80px rgba(34, 29, 62, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  font-family: "Inter", "Noto Sans SC", system-ui, -apple-system, sans-serif;
  background:
    radial-gradient(circle at 16% 18%, rgba(255, 122, 89, 0.18), transparent 28rem),
    radial-gradient(circle at 86% 12%, rgba(61, 220, 190, 0.24), transparent 26rem),
    linear-gradient(145deg, #fbfbff 0%, #eef2ff 50%, #f9f4ef 100%);
  overflow-x: hidden;
}

button,
a {
  font: inherit;
}

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

.starfield {
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: 0.46;
}

.shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 48px;
}

.topbar {
  position: sticky;
  top: 16px;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.68);
  box-shadow: 0 12px 50px rgba(38, 35, 63, 0.1);
  backdrop-filter: blur(20px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 150px;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 14px;
  color: #fff;
  font-weight: 900;
  background: conic-gradient(from 150deg, var(--violet), var(--blue), var(--aqua), var(--coral), var(--violet));
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.42);
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 1rem;
}

.brand small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.tab {
  min-height: 40px;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0 15px;
  color: #423d50;
  background: transparent;
  cursor: pointer;
  transition: transform 180ms ease, color 180ms ease, background 180ms ease, border-color 180ms ease;
}

.tab:hover,
.tab:focus-visible {
  transform: translateY(-1px);
  border-color: var(--line);
  outline: none;
  background: rgba(255, 255, 255, 0.8);
}

.tab.is-active {
  color: #fff;
  background: #17151f;
  box-shadow: 0 10px 24px rgba(23, 21, 31, 0.18);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(340px, 0.72fr);
  gap: 26px;
  align-items: stretch;
  min-height: 560px;
  padding: 80px 0 32px;
}

.hero-copy {
  display: flex;
  min-height: 500px;
  flex-direction: column;
  justify-content: center;
}

.eyebrow,
.section-head p {
  margin: 0 0 12px;
  color: var(--violet);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 780px;
  margin-bottom: 22px;
  font-size: clamp(3.1rem, 8vw, 7.8rem);
  line-height: 0.95;
  letter-spacing: 0;
}

.intro {
  max-width: 670px;
  color: var(--muted);
  font-size: clamp(1rem, 1.7vw, 1.2rem);
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  margin-top: 12px;
}

.primary-link,
.status-dot {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  border-radius: 999px;
  padding: 0 18px;
}

.primary-link {
  color: #fff;
  font-weight: 700;
  background: linear-gradient(120deg, var(--violet), var(--blue));
  box-shadow: 0 14px 30px rgba(110, 86, 207, 0.26);
}

.status-dot {
  gap: 8px;
  border: 1px solid var(--line);
  color: #312d3a;
  background: rgba(255, 255, 255, 0.64);
}

.status-dot::before {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #21c77a;
  box-shadow: 0 0 0 6px rgba(33, 199, 122, 0.14);
  content: "";
}

.palette-panel {
  display: grid;
  grid-template-rows: 1fr auto;
  gap: 14px;
  min-height: 500px;
}

.palette-card,
.swatch,
.panel {
  border: 1px solid rgba(255, 255, 255, 0.76);
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
}

.palette-card.large {
  display: flex;
  min-height: 330px;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
  border-radius: 30px;
  padding: 24px;
  color: #fff;
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.18), transparent 32%),
    radial-gradient(circle at 25% 20%, rgba(255, 209, 102, 0.78), transparent 16rem),
    linear-gradient(145deg, #5b4bdb, #7c3aed 48%, #1f9bd8);
}

.palette-card span,
.swatch span {
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.palette-card strong {
  margin-top: 8px;
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  line-height: 1;
}

.palette-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.swatch {
  display: flex;
  min-height: 150px;
  align-items: flex-end;
  border-radius: 24px;
  padding: 14px;
  color: rgba(255, 255, 255, 0.92);
}

.swatch.coral {
  background: var(--coral);
}

.swatch.aqua {
  background: var(--aqua);
}

.swatch.gold {
  color: #4d3710;
  background: var(--gold);
}

.swatch.blue {
  background: var(--blue);
}

.content-stage {
  margin-top: 10px;
}

.panel {
  display: none;
  min-height: 430px;
  border-radius: 28px;
  padding: clamp(22px, 4vw, 42px);
  background: var(--panel);
}

.panel.is-active {
  display: block;
  animation: rise 360ms ease both;
}

.section-head h2 {
  margin-bottom: 24px;
  font-size: clamp(2rem, 5vw, 4.2rem);
  line-height: 1;
  letter-spacing: 0;
}

.profile-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 18px;
}

.profile-card,
.stat-grid > div,
.tile,
.ai-feature {
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.68);
}

.profile-card {
  padding: 24px;
}

.avatar {
  display: grid;
  width: 84px;
  height: 84px;
  margin-bottom: 22px;
  place-items: center;
  border-radius: 28px;
  color: #fff;
  font-size: 2rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--ink), var(--violet));
}

.profile-card h3,
.tile h3,
.ai-feature h3 {
  margin-bottom: 10px;
  font-size: 1.26rem;
}

.profile-card p,
.tile p,
.ai-feature p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.8;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.stat-grid > div {
  display: flex;
  min-height: 220px;
  flex-direction: column;
  justify-content: flex-end;
  padding: 20px;
}

.stat-grid strong {
  font-size: 1.32rem;
}

.stat-grid span {
  margin-top: 10px;
  color: var(--muted);
  line-height: 1.6;
}

.tile-grid,
.travel-grid,
.ai-board {
  display: grid;
  gap: 16px;
}

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

.tile {
  min-height: 290px;
  padding: 22px;
  background-size: cover;
  background-position: center;
}

.tile span {
  display: inline-flex;
  margin-bottom: 96px;
  border-radius: 999px;
  padding: 7px 10px;
  color: #fff;
  font-size: 0.8rem;
  font-weight: 800;
  background: rgba(23, 21, 31, 0.76);
}

.tile.coding {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0.82)),
    repeating-linear-gradient(90deg, rgba(110, 86, 207, 0.28) 0 2px, transparent 2px 44px),
    var(--blue);
}

.tile.photo {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.86)),
    radial-gradient(circle at 70% 24%, rgba(255, 209, 102, 0.88), transparent 6rem),
    linear-gradient(135deg, #f6a47b, #7fc6ff);
}

.tile.reading {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.86)),
    linear-gradient(135deg, rgba(61, 220, 190, 0.8), rgba(110, 86, 207, 0.72));
}

.travel-grid {
  grid-template-columns: 1.2fr 0.8fr 0.8fr;
}

.scene {
  position: relative;
  min-height: 330px;
  margin: 0;
  overflow: hidden;
  border-radius: 26px;
  background: #ddd;
  box-shadow: var(--shadow);
}

.scene::before,
.scene::after {
  position: absolute;
  content: "";
}

.scene::before {
  inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(14, 13, 20, 0.58));
}

.scene figcaption {
  position: absolute;
  left: 20px;
  bottom: 18px;
  color: #fff;
  font-size: 1.35rem;
  font-weight: 800;
}

.mountain {
  background:
    linear-gradient(150deg, #99d7ff 0%, #f4d38a 44%, #59756b 45%, #2f4d56 72%, #172b32 100%);
}

.mountain::after {
  right: -6%;
  bottom: -18%;
  width: 80%;
  height: 58%;
  background: linear-gradient(135deg, #35565a, #183238);
  clip-path: polygon(45% 0, 100% 100%, 0 100%);
}

.coast {
  background:
    linear-gradient(180deg, #f6b676 0 36%, #587fc5 37% 61%, #f1cc8f 62% 100%);
}

.coast::after {
  right: 12%;
  top: 16%;
  width: 76px;
  height: 76px;
  border-radius: 50%;
  background: #ffe08a;
}

.city {
  background:
    linear-gradient(180deg, #30265f 0%, #6750a4 54%, #151824 55%),
    linear-gradient(90deg, #1c2030, #292f43);
}

.city::after {
  inset: auto 10% 0;
  height: 48%;
  background:
    linear-gradient(90deg, #151824 0 12%, transparent 12% 18%, #151824 18% 34%, transparent 34% 42%, #151824 42% 58%, transparent 58% 66%, #151824 66% 80%, transparent 80%),
    linear-gradient(#151824, #151824);
}

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

.ai-feature {
  display: flex;
  min-height: 250px;
  flex-direction: column;
  justify-content: space-between;
  gap: 28px;
  padding: 22px;
}

.feature-icon {
  display: grid;
  width: 58px;
  height: 58px;
  place-items: center;
  border-radius: 18px;
  color: #fff;
  font-size: 0.9rem;
  font-weight: 900;
  background: #17151f;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 860px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .tab {
    flex: 1 1 calc(50% - 8px);
  }

  .hero,
  .profile-layout,
  .tile-grid,
  .travel-grid,
  .ai-board,
  .stat-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 48px;
  }

  .hero-copy,
  .palette-panel {
    min-height: auto;
  }

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

  .stat-grid > div,
  .tile,
  .scene,
  .ai-feature {
    min-height: 210px;
  }
}

@media (max-width: 520px) {
  .shell {
    width: min(100% - 20px, 1180px);
    padding-top: 10px;
  }

  .topbar {
    top: 8px;
    border-radius: 18px;
  }

  .brand {
    min-width: 0;
  }

  .tab {
    padding: 0 10px;
    font-size: 0.92rem;
  }

  h1 {
    font-size: 3.2rem;
  }

  .panel {
    border-radius: 22px;
  }

  .palette-card.large {
    min-height: 260px;
    border-radius: 24px;
  }

  .swatch {
    min-height: 116px;
    border-radius: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}