:root {
  color-scheme: light dark;
  --bg: #f5f5f7;
  --surface: rgba(255, 255, 255, 0.72);
  --surface-solid: #ffffff;
  --text: #1d1d1f;
  --text-secondary: #6e6e73;
  --text-tertiary: #86868b;
  --line: rgba(0, 0, 0, 0.09);
  --line-strong: rgba(0, 0, 0, 0.14);
  --accent: #8a3354;
  --accent-hover: #762a48;
  --button-fill: #8a3354;
  --button-hover: #762a48;
  --accent-soft: rgba(138, 51, 84, 0.09);
  --success: #2f7d4f;
  --focus: #0071e3;
  --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.03), 0 18px 45px rgba(0, 0, 0, 0.055);
  --shadow-hover: 0 2px 4px rgba(0, 0, 0, 0.04), 0 24px 56px rgba(0, 0, 0, 0.09);
  --shell: 1120px;
  --radius: 28px;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101011;
    --surface: rgba(29, 29, 31, 0.72);
    --surface-solid: #1c1c1e;
    --text: #f5f5f7;
    --text-secondary: #a1a1a6;
    --text-tertiary: #86868b;
    --line: rgba(255, 255, 255, 0.1);
    --line-strong: rgba(255, 255, 255, 0.16);
    --accent: #d47a9b;
    --accent-hover: #e08cab;
    --button-fill: #9b3d61;
    --button-hover: #aa486d;
    --accent-soft: rgba(212, 122, 155, 0.13);
    --success: #67b889;
    --focus: #2997ff;
    --shadow-card: 0 1px 1px rgba(0, 0, 0, 0.2), 0 20px 60px rgba(0, 0, 0, 0.26);
    --shadow-hover: 0 2px 2px rgba(0, 0, 0, 0.24), 0 28px 72px rgba(0, 0, 0, 0.38);
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display",
    "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--focus) 70%, transparent);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--text);
  color: var(--bg);
  font-size: 14px;
  transform: translateY(-160%);
  transition: transform 160ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.shell {
  width: min(calc(100% - 64px), var(--shell));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  border-bottom: 1px solid transparent;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: saturate(160%) blur(20px);
  -webkit-backdrop-filter: saturate(160%) blur(20px);
  transition: border-color 180ms ease, background-color 180ms ease;
}

.site-header.is-scrolled {
  border-color: var(--line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
}

.brand {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 650;
  letter-spacing: -0.02em;
}

.brand-mark {
  width: 25px;
  height: 25px;
  overflow: visible;
}

.brand-mark path {
  fill: var(--accent);
  opacity: 0.2;
}

.brand-mark circle {
  fill: var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  padding: 8px 12px;
  border-radius: 10px;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  transition: color 160ms ease, background-color 160ms ease;
}

.nav-links a:hover {
  background: var(--accent-soft);
  color: var(--text);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(260px, 0.65fr);
  align-items: center;
  gap: 72px;
  min-height: 650px;
  padding-block: 104px 112px;
}

.hero-copy {
  max-width: 740px;
}

.eyebrow {
  margin: 0 0 20px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  line-height: 1.2;
}

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

h1 {
  margin-bottom: 28px;
  font-size: clamp(52px, 6.25vw, 84px);
  font-weight: 680;
  letter-spacing: -0.06em;
  line-height: 1.03;
}

.hero-intro {
  max-width: 580px;
  margin-bottom: 36px;
  color: var(--text-secondary);
  font-size: clamp(18px, 2vw, 21px);
  font-weight: 400;
  letter-spacing: -0.015em;
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 980px;
  font-size: 15px;
  font-weight: 600;
  transition: transform 180ms var(--ease), background-color 180ms ease,
    border-color 180ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button:active {
  transform: scale(0.98);
}

.button svg {
  width: 16px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.6;
}

.button-primary {
  background: var(--button-fill);
  color: #fff;
}

.button-primary:hover {
  background: var(--button-hover);
}

.button-secondary {
  border-color: var(--line-strong);
  background: color-mix(in srgb, var(--surface-solid) 55%, transparent);
  color: var(--text);
}

.button-secondary:hover {
  border-color: var(--text-tertiary);
}

.season-mark {
  position: relative;
  display: grid;
  width: min(100%, 320px);
  aspect-ratio: 1;
  place-items: center;
  justify-self: end;
}

.season-mark svg {
  position: relative;
  z-index: 2;
  width: 56%;
  overflow: visible;
}

.season-mark circle {
  fill: var(--accent);
}

.petal {
  fill: var(--accent);
  opacity: 0.11;
  transform-origin: 90px 90px;
}

.petal-1,
.petal-3 {
  opacity: 0.18;
}

.orbit {
  position: absolute;
  border: 1px solid var(--line);
  border-radius: 50%;
}

.orbit-outer {
  width: 100%;
  height: 100%;
}

.orbit-inner {
  width: 74%;
  height: 74%;
  border-style: dashed;
  opacity: 0.65;
  animation: rotate 48s linear infinite;
}

.destinations {
  padding-block: 80px 112px;
}

.section-heading {
  margin-bottom: 40px;
}

.section-heading .eyebrow {
  margin-bottom: 12px;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(34px, 4vw, 48px);
  font-weight: 650;
  letter-spacing: -0.045em;
  line-height: 1.1;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.feature-card {
  display: flex;
  min-height: 420px;
  flex-direction: column;
  padding: 32px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-card);
}

.blog-card {
  transition: transform 300ms var(--ease), border-color 200ms ease,
    box-shadow 300ms var(--ease);
}

.blog-card:hover {
  border-color: color-mix(in srgb, var(--accent) 28%, transparent);
  box-shadow: var(--shadow-hover);
  transform: translateY(-5px);
}

.card-topline {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

.icon-tile {
  display: grid;
  width: 48px;
  height: 48px;
  border-radius: 15px;
  background: var(--accent-soft);
  place-items: center;
}

.icon-tile svg {
  width: 25px;
  fill: none;
  stroke: var(--accent);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.5;
}

.link-arrow {
  display: grid;
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: 50%;
  place-items: center;
  transition: transform 240ms var(--ease), background-color 180ms ease;
}

.link-arrow svg {
  width: 18px;
  fill: none;
  stroke: var(--text-secondary);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.5;
}

.blog-card:hover .link-arrow {
  background: var(--accent-soft);
  transform: translate(2px, -2px);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 980px;
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 600;
}

.status-pill i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
}

.card-copy {
  margin-block: auto;
  padding-top: 56px;
}

.card-label {
  margin-bottom: 12px;
  color: var(--text-tertiary);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.15em;
}

h3 {
  margin-bottom: 14px;
  font-size: 36px;
  font-weight: 650;
  letter-spacing: -0.04em;
  line-height: 1.15;
}

.card-copy > p:last-child {
  max-width: 390px;
  margin-bottom: 0;
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 1.65;
}

.card-meta {
  padding-top: 44px;
  color: var(--text-tertiary);
  font-size: 12px;
  letter-spacing: 0.01em;
}

.tools-card {
  scroll-margin-top: 80px;
  background-image: radial-gradient(
    circle at 88% 8%,
    var(--accent-soft),
    transparent 33%
  );
}

.note {
  padding-block: 64px 112px;
}

.note-rule {
  height: 1px;
  margin-bottom: 48px;
  background: var(--line);
}

.note-content {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 32px;
}

.note-content p {
  margin-bottom: 0;
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 560;
  letter-spacing: -0.035em;
}

.note-content span {
  flex: none;
  color: var(--text-tertiary);
  font-size: 13px;
}

.site-footer {
  border-top: 1px solid var(--line);
}

.footer-inner {
  display: flex;
  min-height: 96px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: var(--text-tertiary);
  font-size: 12px;
}

.footer-inner p {
  margin-bottom: 0;
}

@keyframes rotate {
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: minmax(0, 1fr) 220px;
    gap: 36px;
    min-height: 600px;
    padding-block: 88px 96px;
  }

  .season-mark {
    width: 220px;
  }

  .feature-card {
    min-height: 390px;
  }
}

@media (max-width: 700px) {
  .shell {
    width: min(calc(100% - 40px), var(--shell));
  }

  .nav {
    min-height: 58px;
  }

  .nav-links {
    gap: 0;
  }

  .nav-links a {
    padding-inline: 10px;
  }

  .hero {
    display: flex;
    min-height: auto;
    flex-direction: column;
    align-items: stretch;
    gap: 64px;
    padding-block: 88px 80px;
  }

  h1 {
    font-size: clamp(38px, 11vw, 54px);
    letter-spacing: -0.065em;
  }

  .season-mark {
    width: min(65vw, 250px);
    align-self: center;
    justify-self: auto;
  }

  .destinations {
    padding-block: 64px 80px;
  }

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

  .feature-card {
    min-height: 380px;
  }

  .note {
    padding-block: 48px 80px;
  }

  .note-content {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 8px;
  }
}

@media (max-width: 420px) {
  .shell {
    width: calc(100% - 32px);
  }

  .brand span {
    display: none;
  }

  .hero {
    padding-top: 68px;
  }

  .hero-intro {
    font-size: 17px;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .feature-card {
    min-height: 360px;
    padding: 26px;
    border-radius: 24px;
  }

  h3 {
    font-size: 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}