:root {
  --ink: #182720;
  --paper: #f3efe5;
  --cream: #fbf8ef;
  --sun: #f0ff71;
  --coral: #ef5c3e;
  --sea: #164b49;
  --line: rgba(24, 39, 32, 0.22);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Noto Sans SC", "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
button, input, select, textarea { font: inherit; }
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }

.site-header {
  position: absolute;
  z-index: 20;
  top: 0;
  left: 0;
  width: 100%;
  min-height: 92px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 18px clamp(20px, 4vw, 64px);
  color: var(--cream);
  border-bottom: 1px solid rgba(255,255,255,.32);
}
.brand { display: inline-flex; align-items: center; gap: 11px; font-size: 12px; font-weight: 800; line-height: .9; letter-spacing: .08em; width: max-content; }
.brand-mark { width: 35px; height: 35px; border: 1px solid currentColor; border-radius: 50%; display: grid; place-items: center; overflow: hidden; }
.brand-mark i { display: block; width: 17px; height: 17px; background: currentColor; border-radius: 50%; box-shadow: 7px -5px 0 0 var(--sea); }
.site-header nav { display: flex; gap: 36px; font-size: 13px; }
.site-header nav a { opacity: .78; transition: opacity .2s ease; }
.site-header nav a:hover { opacity: 1; }
.header-actions { justify-self: end; display: flex; align-items: center; gap: 12px; }
.language-switch, .small-cta { border: 1px solid rgba(255,255,255,.5); color: inherit; background: transparent; min-height: 42px; border-radius: 999px; display: grid; place-items: center; cursor: pointer; }
.language-switch { min-width: 52px; padding: 0 14px; }
.small-cta { padding: 0 20px; background: var(--sun); border-color: var(--sun); color: var(--ink); font-weight: 700; }

.hero { min-height: 880px; padding: 178px clamp(20px, 6vw, 100px) 52px; color: var(--cream); background: var(--sea); display: grid; grid-template-columns: 1.02fr .98fr; grid-template-rows: 1fr auto; gap: 42px 7vw; overflow: hidden; position: relative; }
.hero::before { content: ""; position: absolute; inset: 0; opacity: .055; background-image: linear-gradient(rgba(255,255,255,.8) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.8) 1px, transparent 1px); background-size: 72px 72px; }
.hero-copy { position: relative; z-index: 2; align-self: center; max-width: 760px; }
.eyebrow { margin: 0 0 22px; text-transform: uppercase; letter-spacing: .18em; font-weight: 800; font-size: 11px; }
.eyebrow::before { content: ""; display: inline-block; width: 34px; height: 1px; background: currentColor; margin: 0 12px 3px 0; }
.eyebrow.light { color: var(--sun); }
.hero h1 { margin: 0; font-family: Georgia, "Noto Serif SC", serif; font-size: clamp(54px, 6.9vw, 108px); font-weight: 400; line-height: .96; letter-spacing: -.055em; max-width: 960px; }
.hero h1 span { display: block; color: var(--sun); }
.hero h1 b { display: block; font: inherit; }
.hero-intro { margin: 34px 0 0; font-size: clamp(16px, 1.35vw, 21px); line-height: 1.75; max-width: 650px; color: rgba(251,248,239,.76); }
.hero-actions { margin-top: 42px; display: flex; align-items: center; gap: 24px; }
.primary-cta { min-height: 58px; padding: 0 25px; background: var(--coral); color: white; display: flex; align-items: center; gap: 36px; font-weight: 800; border-radius: 2px; transition: transform .2s ease, background .2s ease; }
.primary-cta:hover { transform: translateY(-2px); background: #ff6b4c; }
.primary-cta span { font-size: 21px; }
.hero-actions small { color: rgba(251,248,239,.58); }

.hero-art { position: relative; z-index: 1; min-height: 540px; align-self: center; overflow: hidden; border-radius: 320px 320px 4px 4px; background: linear-gradient(180deg, #f7bd70 0%, #ed7556 44%, #6d5364 70%, #163f45 100%); box-shadow: 0 35px 90px rgba(0,0,0,.22); }
.hero-art::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 31%; background: repeating-radial-gradient(ellipse at 50% 120%, transparent 0 8px, rgba(240,255,113,.18) 9px 10px); opacity: .9; }
.art-label { position: absolute; z-index: 2; top: 56px; left: 52px; color: rgba(255,255,255,.76); font-size: 10px; letter-spacing: .25em; font-weight: 800; line-height: 1.7; }
.art-label span { font-size: 13px; letter-spacing: .45em; }
.eclipse-orbit { position: absolute; top: 15%; left: 21%; width: 58%; aspect-ratio: 1; border: 1px solid rgba(255,255,255,.35); border-radius: 50%; display: grid; place-items: center; }
.eclipse-disc { width: 45%; aspect-ratio: 1; border-radius: 50%; background: var(--sun); box-shadow: 0 0 56px 18px rgba(240,255,113,.28); position: relative; }
.eclipse-disc::after { content: ""; position: absolute; width: 100%; height: 100%; border-radius: 50%; background: #172924; left: 28%; top: -8%; box-shadow: -8px 7px 14px rgba(0,0,0,.16); }
.horizon-line { position: absolute; z-index: 1; left: -5%; right: -5%; bottom: 28%; height: 1px; background: rgba(255,255,255,.4); }
.boat-silhouette { position: absolute; z-index: 3; left: 31%; bottom: 22%; width: 42%; height: 70px; }
.boat-hull { position: absolute; left: 0; right: 0; bottom: 12px; height: 27px; background: #172924; clip-path: polygon(0 0, 100% 0, 82% 100%, 16% 100%); }
.boat-cabin { position: absolute; z-index: 2; width: 43%; height: 32px; left: 34%; bottom: 38px; background: #172924; clip-path: polygon(14% 0, 83% 0, 100% 100%, 0 100%); }
.boat-wake { position: absolute; left: -45%; width: 160%; bottom: 5px; height: 1px; background: rgba(255,255,255,.58); transform: rotate(-2deg); }
.coordinates { position: absolute; left: 48px; bottom: 40px; z-index: 3; font-size: 10px; line-height: 1.65; letter-spacing: .15em; color: rgba(255,255,255,.62); }
.art-date { position: absolute; right: 42px; bottom: 40px; z-index: 3; font-size: 11px; letter-spacing: .2em; font-weight: 800; }
.hero-status { grid-column: 1 / -1; position: relative; z-index: 2; display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid rgba(255,255,255,.28); padding-top: 28px; }
.hero-status > div { display: flex; gap: 22px; align-items: baseline; }
.hero-status > div:last-child { border-left: 1px solid rgba(255,255,255,.28); padding-left: 7vw; }
.hero-status span { color: var(--sun); font-size: 10px; text-transform: uppercase; letter-spacing: .15em; white-space: nowrap; }
.hero-status strong { font-size: 14px; font-weight: 500; color: rgba(255,255,255,.78); }

.experience-section, .process-section { padding: 120px clamp(20px, 6vw, 100px); }
.section-heading { display: grid; grid-template-columns: minmax(240px, .8fr) 1.4fr minmax(260px, .8fr); gap: 4vw; align-items: end; margin-bottom: 64px; }
.section-heading .eyebrow { align-self: start; padding-top: 12px; }
.section-heading h2, .facts-section h2, .form-section h2 { margin: 0; font-family: Georgia, "Noto Serif SC", serif; font-weight: 400; letter-spacing: -.045em; font-size: clamp(40px, 5vw, 74px); line-height: 1.08; }
.section-heading > p:last-child { margin: 0; line-height: 1.8; color: rgba(24,39,32,.65); }
.experience-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--ink); border-left: 1px solid var(--line); }
.experience-card { position: relative; text-align: left; color: inherit; background: transparent; padding: 34px 30px 38px; border: 0; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); min-height: 350px; cursor: pointer; display: flex; flex-direction: column; transition: background .22s ease, color .22s ease, transform .22s ease; }
.experience-card:hover, .experience-card.selected { background: var(--sun); }
.experience-card:hover { transform: translateY(-4px); }
.card-number { font-size: 11px; font-weight: 800; letter-spacing: .14em; }
.card-tag { width: max-content; margin-top: 55px; padding: 7px 10px; border: 1px solid currentColor; border-radius: 999px; font-size: 10px; letter-spacing: .1em; }
.experience-card strong { margin-top: 22px; font-family: Georgia, "Noto Serif SC", serif; font-size: 31px; font-weight: 400; }
.card-text { margin-top: 14px; color: rgba(24,39,32,.64); line-height: 1.7; font-size: 14px; max-width: 390px; }
.card-arrow { position: absolute; right: 27px; top: 27px; font-size: 24px; }

.facts-section { background: var(--ink); color: var(--cream); padding: 120px clamp(20px, 6vw, 100px); display: grid; grid-template-columns: .9fr 1.1fr; gap: 8vw; }
.facts-sticky { align-self: start; position: sticky; top: 40px; }
.facts-sticky h2 { max-width: 590px; }
.mini-art { height: 180px; margin-top: 70px; border-bottom: 1px solid rgba(255,255,255,.25); position: relative; overflow: hidden; }
.mini-art::before { content: ""; width: 180px; height: 180px; border: 1px solid rgba(255,255,255,.25); border-radius: 50%; position: absolute; left: 5%; bottom: -90px; }
.mini-art span { width: 80px; height: 80px; background: var(--coral); border-radius: 50%; position: absolute; left: calc(5% + 50px); bottom: -30px; }
.facts-list article { display: grid; grid-template-columns: 56px 1fr; gap: 28px; padding: 36px 0 42px; border-top: 1px solid rgba(255,255,255,.2); }
.facts-list article > span { color: var(--sun); font-size: 11px; letter-spacing: .12em; padding-top: 5px; }
.facts-list h3 { margin: 0 0 12px; font-size: 24px; font-weight: 500; }
.facts-list p { margin: 0; color: rgba(255,255,255,.6); line-height: 1.8; max-width: 600px; }

.process-section { background: var(--cream); }
.section-heading.centered { display: block; text-align: center; max-width: 900px; margin-left: auto; margin-right: auto; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 72px; }
.steps article { padding: 38px 8%; border-top: 1px solid var(--ink); border-right: 1px solid var(--line); min-height: 260px; }
.steps article:first-child { border-left: 1px solid var(--line); }
.steps span { display: block; color: var(--coral); font-size: 11px; font-weight: 800; }
.steps h3 { margin: 48px 0 14px; font-family: Georgia, "Noto Serif SC", serif; font-size: 28px; font-weight: 400; }
.steps p { margin: 0; color: rgba(24,39,32,.62); line-height: 1.7; }

.form-section { background: var(--coral); padding: 120px clamp(20px, 6vw, 100px); color: white; display: grid; grid-template-columns: .85fr 1.15fr; gap: 8vw; }
.form-intro > p:not(.eyebrow) { color: rgba(255,255,255,.72); line-height: 1.8; max-width: 520px; }
.form-sun { margin-top: 56px; width: min(330px, 80%); aspect-ratio: 1; border: 1px solid rgba(255,255,255,.35); border-radius: 50%; display: grid; place-items: center; }
.form-sun span { width: 48%; aspect-ratio: 1; border-radius: 50%; background: var(--sun); position: relative; overflow: hidden; }
.form-sun span::after { content: ""; position: absolute; width: 100%; height: 100%; border-radius: 50%; background: var(--coral); left: 31%; top: -10%; }
.form-card { background: var(--cream); color: var(--ink); padding: clamp(28px, 4vw, 56px); align-self: start; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px 22px; }
.form-grid label { display: flex; flex-direction: column; gap: 10px; }
.form-grid label > span { font-size: 11px; font-weight: 800; letter-spacing: .07em; }
.form-grid .full-width { grid-column: 1 / -1; }
.form-grid input, .form-grid select, .form-grid textarea { width: 100%; border: 0; border-bottom: 1px solid rgba(24,39,32,.35); background: transparent; border-radius: 0; padding: 12px 2px; color: var(--ink); outline: none; }
.form-grid textarea { resize: vertical; }
.form-grid input:focus, .form-grid select:focus, .form-grid textarea:focus { border-color: var(--coral); box-shadow: 0 1px 0 var(--coral); }
.form-grid input::placeholder, .form-grid textarea::placeholder { color: rgba(24,39,32,.4); }
.consent { margin-top: 28px; display: grid; grid-template-columns: 20px 1fr; gap: 12px; align-items: start; font-size: 12px; line-height: 1.6; color: rgba(24,39,32,.67); }
.consent input { margin-top: 3px; accent-color: var(--coral); }
.submit-button { margin-top: 30px; border: 0; width: 100%; min-height: 58px; padding: 0 22px; background: var(--ink); color: white; cursor: pointer; font-weight: 800; display: flex; justify-content: space-between; align-items: center; transition: background .2s ease; }
.submit-button:hover { background: var(--sea); }
.submit-button:disabled { opacity: .65; cursor: wait; }
.privacy-note { margin: 16px 0 0; font-size: 10px; line-height: 1.6; color: rgba(24,39,32,.47); }
.form-error { color: #9b1f13; font-size: 13px; font-weight: 700; margin: 18px 0 -10px; }
.honeypot { position: absolute !important; left: -9999px !important; width: 1px !important; height: 1px !important; overflow: hidden !important; }
.success-message { min-height: 480px; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; }
.success-icon { width: 58px; height: 58px; display: grid; place-items: center; border-radius: 50%; background: var(--sun); font-size: 26px; }
.success-message h3 { font-family: Georgia, "Noto Serif SC", serif; font-weight: 400; font-size: 42px; margin: 28px 0 12px; }
.success-message p { color: rgba(24,39,32,.62); line-height: 1.8; }
.success-message button { border: 0; border-bottom: 1px solid var(--ink); background: transparent; padding: 4px 0; margin-top: 22px; cursor: pointer; }

footer { padding: 48px clamp(20px, 6vw, 100px); background: var(--ink); color: var(--cream); display: grid; grid-template-columns: 1fr auto 1fr; gap: 30px; align-items: center; }
.footer-brand .brand-mark i { box-shadow: 7px -5px 0 0 var(--ink); }
footer p { margin: 0; font-size: 11px; color: rgba(255,255,255,.55); }
.footer-disclaimer { justify-self: end; text-align: right; max-width: 440px; line-height: 1.6; }

@media (max-width: 980px) {
  .site-header { grid-template-columns: 1fr auto; }
  .site-header nav { display: none; }
  .hero { min-height: auto; grid-template-columns: 1fr; padding-top: 145px; }
  .hero-art { width: min(650px, 100%); justify-self: center; min-height: 570px; }
  .section-heading { grid-template-columns: 1fr; gap: 18px; }
  .experience-grid { grid-template-columns: 1fr; }
  .experience-card { min-height: 265px; }
  .card-tag { margin-top: 35px; }
  .facts-section, .form-section { grid-template-columns: 1fr; }
  .facts-sticky { position: static; }
  .mini-art { display: none; }
  .steps { grid-template-columns: 1fr; }
  .steps article { min-height: 220px; border-left: 1px solid var(--line); }
  .form-sun { display: none; }
  footer { grid-template-columns: 1fr; }
  .footer-disclaimer { justify-self: start; text-align: left; }
}

@media (max-width: 620px) {
  .site-header { min-height: 78px; padding: 14px 18px; }
  .brand { font-size: 10px; }
  .brand-mark { width: 30px; height: 30px; }
  .small-cta { display: none; }
  .hero { padding: 125px 18px 35px; gap: 40px; }
  .hero h1 { font-size: clamp(48px, 15vw, 70px); }
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .hero-art { min-height: 470px; border-radius: 230px 230px 4px 4px; }
  .art-label { left: 28px; top: 42px; }
  .coordinates { left: 25px; bottom: 28px; }
  .art-date { right: 20px; bottom: 28px; }
  .hero-status { grid-template-columns: 1fr; gap: 18px; }
  .hero-status > div { display: grid; gap: 6px; }
  .hero-status > div:last-child { border-left: 0; border-top: 1px solid rgba(255,255,255,.18); padding: 18px 0 0; }
  .experience-section, .process-section, .facts-section, .form-section { padding: 88px 18px; }
  .section-heading { margin-bottom: 42px; }
  .experience-card { padding: 28px 24px; }
  .facts-list article { grid-template-columns: 38px 1fr; gap: 14px; }
  .form-grid { grid-template-columns: 1fr; }
  .form-grid .full-width { grid-column: auto; }
  .form-card { padding: 28px 20px; }
  footer { padding: 40px 18px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}
