/* Geo & Tsuki — kawaii storybook brand site */
:root {
  --navy: #101b3c;
  --navy-deep: #0a1228;
  --cream: #fdf6ec;
  --cream-soft: #f7ecd9;
  --moon: #ffd964;
  --star: #f5b942;
  --rose: #ff9db0;
  --sky: #8fb8ff;
  --ink: #2b2b45;
  --card: #ffffff;
  --radius: 22px;
  --shadow: 0 10px 30px rgba(10, 18, 40, 0.18);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: "Quicksand", "Nunito", "Segoe UI Rounded", "Hiragino Maru Gothic ProN", system-ui, sans-serif;
  background: var(--navy-deep);
  color: var(--cream);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* twinkling starfield */
.stars, .stars::before, .stars::after {
  position: fixed; inset: 0; content: ""; pointer-events: none; z-index: 0;
  background-image:
    radial-gradient(2px 2px at 20% 30%, #fff, transparent),
    radial-gradient(2px 2px at 70% 10%, #fff, transparent),
    radial-gradient(1.5px 1.5px at 40% 70%, #ffe9a8, transparent),
    radial-gradient(2px 2px at 85% 55%, #fff, transparent),
    radial-gradient(1.5px 1.5px at 10% 85%, #ffe9a8, transparent),
    radial-gradient(2px 2px at 55% 40%, #fff, transparent);
  animation: twinkle 5s ease-in-out infinite alternate;
}
.stars::before {
  background-image:
    radial-gradient(1.5px 1.5px at 30% 15%, #fff, transparent),
    radial-gradient(2px 2px at 60% 80%, #ffe9a8, transparent),
    radial-gradient(1.5px 1.5px at 90% 25%, #fff, transparent);
  animation-delay: -2.5s;
}
@keyframes twinkle { from { opacity: .45; } to { opacity: 1; } }

.wrap { max-width: 1020px; margin: 0 auto; padding: 0 20px; position: relative; z-index: 1; }

/* ---------- header ---------- */
header.site {
  position: sticky; top: 0; z-index: 10;
  backdrop-filter: blur(10px);
  background: rgba(10, 18, 40, 0.72);
  border-bottom: 1px solid rgba(255, 217, 100, 0.18);
}
.nav { display: flex; align-items: center; justify-content: space-between; padding: 12px 20px; max-width: 1020px; margin: 0 auto; }
.brand { font-weight: 800; font-size: 1.15rem; color: var(--moon); text-decoration: none; letter-spacing: .5px; }
.brand .paw { margin-right: 6px; }
.nav-links { display: flex; gap: 4px; align-items: center; }
.nav-links a { color: var(--cream); text-decoration: none; font-size: .92rem; font-weight: 600; padding: 8px 10px; border-radius: 12px; }
.nav-links a:hover { background: rgba(255, 217, 100, 0.14); }

.lang-toggle {
  display: flex; background: rgba(255,255,255,.08); border: 1px solid rgba(255,217,100,.35);
  border-radius: 999px; overflow: hidden; margin-left: 8px;
}
.lang-toggle button {
  border: 0; background: transparent; color: var(--cream); font: inherit; font-weight: 700;
  font-size: .85rem; padding: 7px 14px; cursor: pointer;
}
.lang-toggle button.active { background: var(--moon); color: var(--navy-deep); }

/* ---------- hero ---------- */
.hero { text-align: center; padding: 64px 20px 40px; position: relative; }
.moon-badge {
  width: 92px; height: 92px; margin: 0 auto 18px; border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #ffe9a8, var(--moon) 60%, var(--star));
  display: flex; align-items: center; justify-content: center; font-size: 2.6rem;
  box-shadow: 0 0 60px rgba(255, 217, 100, .55);
  animation: float 5s ease-in-out infinite;
}
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
.hero h1 { font-size: clamp(2.4rem, 7vw, 4rem); font-weight: 800; color: var(--cream); letter-spacing: 1px; }
.hero h1 .amp { color: var(--moon); }
.tagline { font-size: clamp(1.05rem, 3.4vw, 1.35rem); color: var(--cream-soft); margin-top: 12px; max-width: 640px; margin-left: auto; margin-right: auto; }
.hero-cta { margin-top: 26px; display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-block; text-decoration: none; font-weight: 800; padding: 13px 26px;
  border-radius: 999px; font-size: 1rem; transition: transform .15s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-gold { background: var(--moon); color: var(--navy-deep); box-shadow: 0 6px 18px rgba(255,217,100,.35); }
.btn-ghost { border: 2px solid rgba(255,217,100,.55); color: var(--moon); }

/* ---------- sections ---------- */
section.block { padding: 44px 0; }
.section-title { text-align: center; font-size: clamp(1.6rem, 5vw, 2.2rem); font-weight: 800; margin-bottom: 8px; color: var(--cream); }
.section-sub { text-align: center; color: var(--cream-soft); opacity: .85; margin-bottom: 30px; max-width: 620px; margin-left: auto; margin-right: auto; }

.cards { display: grid; gap: 20px; grid-template-columns: 1fr; }
@media (min-width: 720px) { .cards.two { grid-template-columns: 1fr 1fr; } }

.card {
  background: var(--card); color: var(--ink); border-radius: var(--radius);
  padding: 28px 24px; box-shadow: var(--shadow); position: relative; overflow: hidden;
}
.card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 8px;
  background: linear-gradient(90deg, var(--moon), var(--star), var(--rose));
}
.card .emoji-top { font-size: 2.4rem; }
.card h3 { font-size: 1.35rem; margin: 10px 0 8px; color: var(--navy); }
.card p { font-size: .99rem; color: #4a4a68; }
.card p + p { margin-top: 10px; }
.badge {
  display: inline-block; font-size: .78rem; font-weight: 800; letter-spacing: .6px;
  background: #fff4d6; color: #8a6d1a; border-radius: 999px; padding: 4px 12px; margin-bottom: 6px;
}

/* duo cards */
.duo-card { text-align: left; }
.duo-name { display: flex; align-items: center; gap: 12px; }
.duo-name .face { font-size: 2.6rem; }

/* gallery */
.gallery { display: grid; gap: 20px; grid-template-columns: 1fr; }
@media (min-width: 720px) { .gallery { grid-template-columns: 1fr 1fr; } }
figure.shot {
  background: var(--card); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow);
}
figure.shot img { width: 100%; height: auto; display: block; aspect-ratio: 4 / 4.6; object-fit: cover; }
figure.shot figcaption { padding: 14px 18px 18px; color: #4a4a68; font-size: .93rem; }
figure.shot figcaption strong { color: var(--navy); display: block; margin-bottom: 4px; font-size: 1rem; }

/* hero image */
.hero-shot {
  margin: 34px auto 0; max-width: 640px; background: var(--card);
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow);
}
.hero-shot img { width: 100%; height: auto; display: block; }
.hero-shot figcaption { padding: 12px 18px 16px; color: #4a4a68; font-size: .92rem; }

/* card images */
.card-img { width: 100%; height: auto; display: block; border-radius: 14px; margin-bottom: 16px; }

/* footer */
footer.site {
  margin-top: 30px; border-top: 1px solid rgba(255,217,100,.18);
  padding: 34px 20px 44px; text-align: center; position: relative; z-index: 1;
}
footer.site .heart { color: var(--rose); }
footer.site p { color: var(--cream-soft); font-size: .95rem; max-width: 560px; margin: 6px auto; }
footer.site .tiny { opacity: .65; font-size: .82rem; margin-top: 14px; }

/* ---------- adventures blog ---------- */
.post-list { display: grid; gap: 20px; grid-template-columns: 1fr; max-width: 720px; margin: 0 auto; }
a.post-card { text-decoration: none; color: inherit; display: block; transition: transform .15s ease; }
a.post-card:hover { transform: translateY(-3px); }
.post-date {
  display: inline-block; font-size: .8rem; font-weight: 800; letter-spacing: .5px;
  color: #8a6d1a; background: #fff4d6; border-radius: 999px; padding: 4px 12px; margin-bottom: 8px;
}
a.post-card h3 { font-size: 1.3rem; color: var(--navy); margin: 6px 0 8px; }
a.post-card p.excerpt { color: #4a4a68; font-size: .98rem; }
a.post-card .read-more { display: inline-block; margin-top: 12px; font-weight: 800; color: #b07d1e; }
.post-hero { max-width: 720px; margin: 0 auto; }
.post-meta { text-align: center; color: var(--cream-soft); opacity: .85; margin-bottom: 26px; }
article.post { max-width: 680px; margin: 0 auto; background: var(--card); color: var(--ink); border-radius: var(--radius); padding: 32px 28px; box-shadow: var(--shadow); position: relative; overflow: hidden; }
article.post::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 8px; background: linear-gradient(90deg, var(--moon), var(--star), var(--rose)); }
article.post h1 { color: var(--navy); font-size: clamp(1.7rem, 5.5vw, 2.3rem); margin-bottom: 6px; }
article.post .post-date { margin-bottom: 14px; }
article.post p { color: #4a4a68; margin-bottom: 16px; font-size: 1.02rem; }
.back-link { display: inline-block; margin-bottom: 22px; color: var(--moon); text-decoration: none; font-weight: 700; }
.back-link:hover { text-decoration: underline; }

[lang] { transition: opacity .2s ease; }