/* ─────────────────────────────────────────────
   project.css — project detail pages only
   Shared tokens/components are in css/global.css
───────────────────────────────────────────── */

/* ── Container ── */
.container {
    max-width: 1100px; margin: 0 auto;
    padding: 0 40px 100px;
    position: relative; z-index: 1;
    animation: pageFadeIn 0.55s ease forwards;
}

/* ── Hero ── */
.hero {
    padding: 64px 0 56px;
    border-bottom: 1px solid var(--border);
}
.hero-label {
    font-family: var(--mono); font-size: 12px;
    color: var(--accent); letter-spacing: 0.1em;
    text-transform: uppercase; margin-bottom: 20px;
}
.hero-title {
    font-family: var(--sans);
    font-size: clamp(2.2rem, 8vw, 5rem);
    font-weight: 700; color: var(--text);
    line-height: 0.95; letter-spacing: -0.05em;
    margin-bottom: 20px;
}
.hero-tagline {
    font-size: 17px; color: var(--muted);
    line-height: 1.7; max-width: 540px;
    margin-bottom: 36px;
}
.hero-img {
    width: 100%; border-radius: 8px;
    border: 1px solid var(--border);
    display: block; margin-bottom: 28px;
    background: var(--bg-up);
    max-height: 440px; object-fit: cover;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.07), 0 1px 4px rgba(0, 0, 0, 0.04);
}
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
    font-family: var(--mono); font-size: 12px;
    color: var(--accent);
    border: 1px solid rgba(56, 189, 248, 0.2);
    padding: 4px 12px; border-radius: 99px;
    letter-spacing: -0.02em;
}

/* ── Section ── */
.section {
    padding: 56px 0;
    border-bottom: 1px solid var(--border);
}
.sec-eyebrow {
    font-family: var(--mono); font-size: 11px;
    color: var(--accent); letter-spacing: 0.12em;
    text-transform: uppercase; margin-bottom: 18px;
}
.sec-title {
    font-family: var(--sans);
    font-size: clamp(1.1rem, 2.8vw, 1.5rem); font-weight: 700;
    color: var(--text); line-height: 1.2;
    letter-spacing: -0.05em; margin-bottom: 20px;
}
.sec-body {
    font-size: 15px; color: var(--muted);
    line-height: 1.8; margin-bottom: 18px;
}
.sec-body:last-child { margin-bottom: 0; }

/* ── Callout ── */
.callout {
    background: var(--bg-up);
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent);
    border-radius: 8px; padding: 20px 24px;
    margin: 28px 0;
}
.callout-label {
    font-family: var(--mono); font-size: 11px;
    color: var(--accent); letter-spacing: 0.1em;
    text-transform: uppercase; margin-bottom: 10px;
}
.callout p { font-size: 14px; color: var(--muted); line-height: 1.75; }
.callout p strong { color: var(--text); font-weight: 700; }
.callout code {
    font-family: var(--mono); font-size: 12px;
    color: var(--accent); background: rgba(56, 189, 248, 0.08);
    padding: 1px 5px; border-radius: 3px;
}

/* ── Feature grid ── */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 16px; margin-top: 28px;
}
.feature-card {
    background: var(--bg-up);
    border: 1px solid var(--border);
    border-radius: 8px; padding: 20px 22px;
}
.feature-card-title {
    font-family: var(--mono); font-size: 13px;
    color: var(--accent); margin-bottom: 8px;
    letter-spacing: -0.02em;
}
.feature-card p { font-size: 13px; color: var(--muted); line-height: 1.65; }

/* ── Stack chips ── */
.stack-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.chip {
    font-family: var(--mono); font-size: 13px;
    color: var(--text); background: var(--bg-up);
    border: 1px solid var(--border);
    padding: 5px 14px; border-radius: 6px;
    letter-spacing: -0.02em;
}

/* ── Divider ── */
.divider { border: none; border-top: 1px solid var(--border); margin: 32px 0; }

/* ── Footer ── */
.footer { padding: 48px 0 0; }
.footer a {
    font-family: var(--mono); font-size: 13px;
    color: var(--muted); text-decoration: none;
    letter-spacing: -0.02em; transition: color 0.2s;
}
.footer a:hover { color: var(--accent); }

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
    }
    .container { animation: none; }
}

/* ── 768px ── */
@media (max-width: 768px) {
    .hero { padding: 52px 0 44px; }
    .section { padding: 44px 0; }
    .hero-tagline { font-size: 16px; line-height: 1.75; }
    .sec-body { line-height: 1.9; }
    .feature-grid { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
}

/* ── 480px ── */
@media (max-width: 480px) {
    .container { padding: 0 24px 80px; }
    .hero { padding: 40px 0 36px; }
    .section { padding: 36px 0; }
    .hero-title { font-size: 2rem; line-height: 1.0; }
    .hero-tagline { font-size: 15px; margin-bottom: 24px; }
    .sec-title { font-size: 20px; }
    .sec-body { font-size: 14px; line-height: 1.9; }
    .callout { padding: 16px 18px; }
    .feature-grid { grid-template-columns: 1fr; gap: 12px; }
    .chip { font-size: 12px; padding: 4px 12px; }
    .stack-row { gap: 6px; }
}