:root {
  --sand: #f7f1e3;
  --ink: #0e2b33;
  --muted: #5c7378;
  --teal: #0e7c8c;
  --teal-deep: #07505c;
  --coral: #d96b5e;
  --sun: #e7a23c;
  --line: #ded2bb;
  --card: #fffdf6;
  --shadow: 0 12px 34px rgba(14, 43, 51, 0.08);
}

@media (prefers-color-scheme: dark) {
  :root {
    --sand: #0b1d23;
    --ink: #eaf3f3;
    --muted: #9db4b7;
    --teal: #4fb3c0;
    --teal-deep: #2c8c99;
    --coral: #e08a7e;
    --sun: #e7b25c;
    --line: #1d353c;
    --card: #10262c;
    --shadow: 0 12px 34px rgba(0, 0, 0, 0.35);
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(1100px 460px at 50% -8%, rgba(120, 200, 210, 0.28), transparent 62%),
    var(--sand);
  color: var(--ink);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--teal); text-decoration: none; }
a:hover { text-decoration: underline; }

.site-header {
  max-width: 980px;
  margin: 0 auto;
  padding: 26px 24px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px 24px;
  border-bottom: 1px solid var(--line);
}

.brand {
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.brand span { color: var(--teal); }

.site-header nav {
  display: flex;
  gap: 22px;
  font-size: 0.95rem;
}

.site-header nav a { color: var(--muted); }
.site-header nav a:hover { color: var(--teal); }

main {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 24px 72px;
}

.hero {
  max-width: 760px;
  padding: 64px 0 40px;
}

.kicker {
  margin: 0 0 10px;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--teal);
}

h1 {
  margin: 0 0 18px;
  font-size: clamp(2.1rem, 5.2vw, 3.5rem);
  line-height: 1.05;
  letter-spacing: -0.035em;
}

.lead {
  margin: 0;
  max-width: 62ch;
  font-size: 1.1rem;
  color: var(--muted);
}

.feature {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 30px;
  align-items: center;
  margin: 18px 0 64px;
  padding: 22px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: var(--shadow);
}

.feature img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 13px;
}

.feature h2 {
  margin: 6px 0 10px;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
}

.feature p { color: var(--muted); margin: 0 0 18px; }

.button {
  display: inline-block;
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--teal);
  color: #fff;
  font-size: 0.94rem;
  font-weight: 650;
}

.button:hover {
  background: var(--teal-deep);
  text-decoration: none;
}

.section-title {
  margin: 0 0 18px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.post-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.post-list li {
  padding: 22px 24px;
  background: var(--card);
  border: 1px solid var(--line);
  border-left: 4px solid var(--teal);
  border-radius: 14px;
}

.post-list a {
  font-size: 1.14rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.post-list .date {
  display: block;
  margin-top: 3px;
  font-size: 0.84rem;
  color: var(--muted);
}

.post-list p {
  margin: 8px 0 0;
  color: var(--muted);
}

article {
  max-width: 720px;
  margin: 0 auto;
  padding: 52px 0 20px;
}

article h1 { font-size: clamp(1.95rem, 4.4vw, 2.85rem); }

article .date {
  display: block;
  margin: -6px 0 28px;
  color: var(--muted);
  font-size: 0.9rem;
}

article p {
  margin: 0 0 1.15em;
  font-size: 1.06rem;
}

article h2 {
  margin: 1.9em 0 0.6em;
  font-size: 1.32rem;
  letter-spacing: -0.01em;
}

article blockquote {
  margin: 1.6em 0;
  padding: 4px 0 4px 20px;
  border-left: 3px solid var(--coral);
  color: var(--muted);
  font-style: italic;
}

.video-wrap {
  margin: 8px 0 14px;
  background: #041a21;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

video {
  display: block;
  width: 100%;
  height: auto;
}

.caption {
  margin: 0 0 40px;
  color: var(--muted);
  font-size: 0.9rem;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin: 28px 0 0;
}

figure {
  margin: 0;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
}

figure img {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

figcaption {
  padding: 12px 16px;
  color: var(--muted);
  font-size: 0.9rem;
}

.note {
  margin: 30px 0 0;
  padding: 16px 18px;
  border: 1px dashed var(--line);
  border-radius: 12px;
  color: var(--muted);
  font-size: 0.9rem;
}

footer {
  max-width: 980px;
  margin: 0 auto;
  padding: 26px 24px 40px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.86rem;
}

footer p { margin: 0.25em 0; }

@media (max-width: 760px) {
  .feature { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: 1fr; }
  .hero { padding-top: 44px; }
  .site-header nav { gap: 16px; }
}