/* idl apps — based on the dCal landing page, with the idl red as accent. */

:root {
    --accent: #c50524;
    --accent-soft: rgba(197, 5, 36, 0.08);
    --text: #111827;
    --text-muted: #6b7280;
    --bg: #ffffff;
    --bg-soft: #f9fafb;
    --bg-dark: #0f172a;
    --border: #e5e7eb;
    --max-width: 1100px;
    --radius: 14px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue",
                 "Hiragino Sans", "Yu Gothic", sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

code {
    font-family: "SF Mono", Menlo, Consolas, monospace;
    font-size: 0.9em;
    background: var(--bg-soft);
    padding: 1px 6px;
    border-radius: 4px;
}

/* ===== Hero ===== */

.hero {
    background: linear-gradient(135deg, #fdf2f4 0%, var(--bg) 100%);
    padding: 0 0 80px;
    border-bottom: 1px solid var(--border);
}
.hero.compact { padding: 0; }

.nav {
    display: flex;
    align-items: center;
    padding: 24px 0;
}
.nav .logo {
    font-size: 20px;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--accent);
}
.nav .logo:hover { text-decoration: none; }

.nav ul {
    margin-left: auto;
    list-style: none;
    padding: 0;
    display: flex;
    gap: 28px;
}
.nav a:not(.logo) {
    color: var(--text-muted);
    font-size: 14px;
    font-weight: 500;
}
.nav a:not(.logo):hover { color: var(--text); text-decoration: none; }
.nav li.lang a {
    padding: 4px 10px;
    border: 1px solid var(--border);
    border-radius: 999px;
    color: var(--text);
}
.nav li.lang a:hover { background: var(--bg-soft); }

.hero h1 {
    font-size: clamp(28px, 4.4vw, 48px);
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -0.02em;
    margin: 64px 0 20px;
}
/* Keep Japanese headline phrases intact when the line wraps. */
.hero h1 .phrase { display: inline-block; }
.hero .lead {
    font-size: 17px;
    color: var(--text-muted);
    max-width: 720px;
    margin: 0;
}

/* ===== Section primitives ===== */

.section { padding: 80px 0; }
.section.soft { background: var(--bg-soft); }
.section h2 {
    font-size: 30px;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin: 0 0 12px;
}
.section h2 + .app-grid { margin-top: 32px; }
.section-lead {
    font-size: 16px;
    color: var(--text-muted);
    max-width: 720px;
    margin: 0 0 40px;
}

/* ===== App cards ===== */

.app-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}
.app {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    display: flex;
    flex-direction: column;
}
.app-head {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}
.app-icon {
    width: 64px;
    height: 64px;
    flex: none;
    display: block;
}
/* iOS icons are square bitmaps; the dCal macOS icon already has its
   squircle and shadow baked in, so only the iOS ones get rounded. */
.app-icon.ios { border-radius: 22%; }
.app h3 {
    font-size: 20px;
    font-weight: 700;
    margin: 0;
}
.app .platforms {
    font-size: 13px;
    color: var(--text-muted);
    margin: 2px 0 0;
}
.app p { font-size: 15px; margin: 0 0 12px; }
.app .price { color: var(--text-muted); font-size: 14px; }
.app .links {
    margin-top: auto;
    padding-top: 12px;
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 14px;
    font-weight: 500;
}

/* ===== Direct sale ===== */

.direct {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px;
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 40px;
}
.direct h3 { font-size: 22px; margin: 0 0 8px; }
.direct > div > p { margin: 0 0 20px; color: var(--text-muted); }
.direct dl {
    display: grid;
    grid-template-columns: 9em 1fr;
    margin: 0;
    font-size: 15px;
    border-top: 1px solid var(--border);
}
.direct dt, .direct dd {
    margin: 0;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}
.direct dt { font-weight: 600; padding-right: 12px; }
.buy {
    background: var(--bg-soft);
    border-radius: var(--radius);
    padding: 28px;
    text-align: center;
    align-self: start;
}
.buy .amount {
    font-size: 40px;
    font-weight: 700;
    line-height: 1.2;
    color: var(--accent);
    margin: 0;
}
.buy .amount span {
    display: block;
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 500;
}
.buy .note { font-size: 13px; color: var(--text-muted); margin: 12px 0 0; }

.btn {
    display: inline-block;
    padding: 14px 24px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 15px;
    border: 1px solid transparent;
    margin-top: 16px;
}
.btn:hover { text-decoration: none; }
.btn.primary { background: var(--accent); color: white; }
.btn.pending {
    background: white;
    color: var(--text-muted);
    border-color: var(--border);
    cursor: default;
}

/* ===== Legal pages ===== */

.doc { padding-block: 56px; max-width: 860px; }
.doc h1 { font-size: 34px; margin: 0 0 8px; }
.doc h2 { font-size: 20px; margin: 40px 0 12px; }
.doc .meta { color: var(--text-muted); font-size: 13px; margin-bottom: 40px; }
.doc p, .doc li, .doc dd { font-size: 15px; }
.doc dl {
    display: grid;
    grid-template-columns: 12em 1fr;
    margin: 0;
    border-top: 1px solid var(--border);
}
.doc dt, .doc dd { margin: 0; padding: 16px 0; border-bottom: 1px solid var(--border); }
.doc dt { font-weight: 600; font-size: 15px; padding-right: 16px; }
.doc dd p { margin: 0 0 8px; }
.doc dd p:last-child { margin-bottom: 0; }

/* ===== Footer ===== */

.footer {
    background: var(--bg-dark);
    color: #94a3b8;
    padding: 48px 0;
    font-size: 14px;
    text-align: center;
}
.footer .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}
.footer p { margin: 0; }
.footer ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    justify-content: center;
}
.footer a { color: #cbd5e1; }

/* ===== Mobile ===== */

@media (max-width: 640px) {
    .hero { padding: 0 0 48px; }
    .hero h1 { margin-top: 40px; }
    .section { padding: 56px 0; }
    .nav li:not(.lang) { display: none; }
    .nav { padding: 16px 0; }
    .direct { grid-template-columns: 1fr; padding: 24px; gap: 24px; }
    .direct dl, .doc dl { grid-template-columns: 1fr; }
    .direct dt, .doc dt { border-bottom: none; padding-bottom: 2px; }
    .direct dd, .doc dd { padding-top: 0; }
}