:root {
  --bg: #e3f0ef;
  --paper: #f7fbfa;
  --white: #ffffff;
  --ink: #2e6b6b;
  --teal: #3f8d8c;
  --teal-2: #4d9d9c;
  --accent: #57a5a4;
  --body: #45807f;
  --muted: #6ea3a2;
  --faint: #9cc8c7;
  --line: rgba(87, 165, 164, 0.28);
  --shadow: 0 18px 40px rgba(46, 107, 107, 0.16);
  --radius: 14px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--body);
  font-family: 'Quicksand', 'Century Gothic', Avenir, sans-serif;
  font-weight: 500;
  font-size: 16px;
  line-height: 1.65;
}
a { color: var(--teal); }
a:hover { color: var(--ink); }
img { max-width: 100%; height: auto; display: block; }
h1, h2, h3 { color: var(--teal); font-weight: 600; line-height: 1.25; text-wrap: balance; }
h2 { font-size: clamp(26px, 4vw, 32px); margin: 0 0 12px; }
h3 { font-size: 20px; margin: 0 0 6px; }
p { margin: 0 0 14px; text-wrap: pretty; }
.wrap { max-width: 1060px; margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 720px; }
.section { padding: 72px 0; }
.section.alt { background: var(--bg); }
.eyebrow { font-size: 14px; letter-spacing: 0.24em; color: var(--teal-2); font-weight: 600; text-transform: lowercase; margin-bottom: 10px; }
.lede { font-size: 18px; color: var(--body); max-width: 640px; }

/* top bar */
.topbar { position: sticky; top: 0; z-index: 10; background: rgba(247, 251, 250, 0.92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.topbar .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 56px; }
.brand { font-weight: 700; color: var(--ink); text-decoration: none; letter-spacing: 0.02em; }
.topbar nav { display: flex; gap: 20px; font-size: 15px; font-weight: 600; }
.topbar nav a { text-decoration: none; }
@media (max-width: 560px) { .topbar nav a.hide-sm { display: none; } }

/* hero */
.hero { position: relative; overflow: hidden; background: linear-gradient(180deg, #eef7f6 0%, #ddeeec 100%); }
.hero::before { content: ""; position: absolute; inset: 0; background: repeating-conic-gradient(from -8deg at 6% 32%, rgba(255,255,255,0.55) 0deg 5deg, rgba(255,255,255,0) 5deg 14deg); mask-image: radial-gradient(circle at 6% 32%, black 0%, transparent 72%); -webkit-mask-image: radial-gradient(circle at 6% 32%, black 0%, transparent 72%); }
.hero-inner { position: relative; display: flex; flex-direction: column; align-items: center; text-align: center; gap: 20px; padding: 80px 24px 40px; }
.hero h1 { margin: 0; }
.hero h1 img { width: min(601px, 90vw); border-radius: 12px; box-shadow: 0 14px 32px rgba(46,107,107,0.18); }
.hero .lede { margin: 4px auto 0; }
.pill { display: inline-flex; align-items: center; gap: 10px; background: rgba(255,255,255,0.75); border: 1px solid rgba(87,165,164,0.35); border-radius: 999px; padding: 8px 20px; font-size: 15px; font-weight: 600; color: var(--teal); text-decoration: none; }
.pill::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 4px; }
.btn { display: inline-block; padding: 12px 22px; border-radius: 999px; font-weight: 700; font-size: 15px; text-decoration: none; border: 2px solid var(--teal); }
.btn.primary { background: var(--teal); color: #fff; }
.btn.primary:hover { background: var(--ink); border-color: var(--ink); color: #fff; }
.btn.ghost { background: transparent; color: var(--teal); }
.btn.ghost:hover { background: rgba(255,255,255,0.6); }
.wave { display: block; width: 100%; height: 120px; position: relative; }

/* cards */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 36px; }
.card .num { font-size: 14px; font-weight: 700; color: var(--faint); letter-spacing: 0.2em; margin-bottom: 6px; }
.card p { font-size: 15px; }
blockquote { margin: 10px 0 0; padding: 0 0 0 14px; border-left: 3px solid var(--faint); font-size: 15px; color: var(--ink); }
blockquote cite { display: block; font-style: normal; font-size: 13px; color: var(--muted); margin-top: 4px; }

/* shape */
.split { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 56px; align-items: center; }
figure { margin: 0; }
figure img { border-radius: var(--radius); box-shadow: var(--shadow); }
figcaption { margin-top: 10px; font-size: 14px; color: var(--muted); }
.stats { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 28px; margin: 8px 0 20px; }
.stat b { display: block; font-size: 32px; font-weight: 700; color: var(--ink); line-height: 1.2; }
.stat span { font-size: 14px; font-weight: 600; color: var(--muted); }
.note { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; display: flex; align-items: center; gap: 16px; font-size: 14px; }
.note img { width: 140px; border-radius: 8px; flex: none; }

/* timeline */
.timeline { list-style: none; margin: 32px 0 0; padding: 0; display: grid; gap: 28px; }
.timeline li { display: grid; grid-template-columns: 96px 1fr; gap: 20px; align-items: start; }
.timeline .year { font-weight: 700; color: var(--ink); font-size: 18px; padding-top: 2px; }
.timeline .entry { border-left: 2px solid var(--faint); padding-left: 20px; }
.timeline .entry h3 { font-size: 18px; }
.timeline figure { margin-top: 12px; max-width: 520px; }
@media (max-width: 560px) { .timeline li { grid-template-columns: 1fr; gap: 4px; } .timeline .entry { border-left: 0; padding-left: 0; } }

/* gallery rows */
.row { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 24px; margin: 20px 0; }

/* form */
.form-card { background: var(--white); border: 1px solid var(--line); border-radius: 18px; padding: 28px; box-shadow: var(--shadow); }
.field { display: grid; gap: 6px; margin-bottom: 18px; }
.field label, fieldset legend { font-weight: 700; color: var(--ink); font-size: 15px; }
.field .hint { font-size: 13px; color: var(--muted); }
input[type=text], input[type=email], textarea { font: inherit; color: var(--ink); background: var(--paper); border: 1px solid rgba(87,165,164,0.45); border-radius: 10px; padding: 11px 13px; width: 100%; }
input:focus, textarea:focus { outline: 3px solid rgba(87,165,164,0.35); border-color: var(--teal); }
textarea { min-height: 96px; resize: vertical; }
fieldset { border: 0; padding: 0; margin: 0 0 18px; }
.choices { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 10px; margin-top: 8px; }
.choice { display: flex; gap: 10px; align-items: flex-start; border: 1px solid rgba(87,165,164,0.45); border-radius: 10px; padding: 11px 13px; cursor: pointer; background: var(--paper); }
.choice input { margin-top: 5px; accent-color: var(--teal); }
.choice b { display: block; color: var(--ink); font-size: 15px; }
.choice small { color: var(--muted); font-size: 13px; }
.choice:has(input:checked) { border-color: var(--teal); background: #eaf5f4; }
.form-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; justify-content: space-between; }
.form-foot button { font: inherit; cursor: pointer; }
.form-status { margin-top: 16px; font-weight: 600; padding: 12px 16px; border-radius: 10px; }
.form-status.err { color: #8f3a32; background: #fbecea; border: 1px solid #e7b4ae; }
.form-foot button[disabled] { opacity: 0.7; cursor: progress; }
.done-card { text-align: center; padding: 40px 28px; animation: pop-in 0.35s ease-out; }
.done-card h3 { font-size: 26px; margin: 8px 0 8px; outline: none; }
.done-card p { font-size: 17px; color: var(--ink); max-width: 460px; margin: 0 auto 22px; }
.done-mark { width: 64px; height: 64px; margin: 0 auto; border-radius: 50%; background: var(--teal); color: #fff; font-size: 34px; line-height: 64px; font-weight: 700; }
.done-card .btn { font: inherit; font-weight: 700; cursor: pointer; }
@keyframes pop-in { from { opacity: 0; transform: translateY(8px) scale(0.98); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .done-card { animation: none; } }
.privacy { font-size: 13px; color: var(--muted); margin-top: 10px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* guide */
.guide h2 { margin-top: 0; }
.guide section + section { border-top: 1px solid var(--line); }
table { width: 100%; border-collapse: collapse; font-size: 15px; background: var(--white); border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); }
th, td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--line); }
th { color: var(--ink); background: #eef7f6; font-weight: 700; }
tr:last-child td { border-bottom: 0; }
.table-scroll { overflow-x: auto; }
ul.clean { padding-left: 1.2em; margin: 0 0 14px; }
ul.clean li { margin-bottom: 6px; }
.callout { background: var(--bg); border-radius: var(--radius); padding: 18px 20px; margin: 18px 0; color: var(--ink); }

/* footer */
footer { background: var(--teal-2); color: #eaf6f5; padding: 22px 24px; display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: center; font-size: 14px; font-weight: 600; }
footer a { color: #fff; }
footer .dot { opacity: 0.55; }
