/* ColorWander website — quiet literary tone, single column, mobile-first. */

:root {
    --bg: #f5f3ee;
    --ink: #1a1a1a;
    --secondary: #6b6b6b;
    --rule: #d6d2c8;
    --accent: #b85c47;
    --coral: #e97862;
    --sky: #7db7c8;
    --sage: #9baf88;
    --yellow: #fef4a8;
    --max-width: 720px;
}

* { box-sizing: border-box; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC",
                 "Source Han Serif SC", "Hiragino Sans GB",
                 "Segoe UI", Helvetica, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.65;
    color: var(--ink);
    background: var(--bg);
    margin: 0;
    padding: 32px 20px 80px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

main {
    max-width: var(--max-width);
    margin: 0 auto;
}

.brand {
    font-family: Georgia, "Songti SC", "Times New Roman", serif;
    font-size: 22px;
    color: var(--ink);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 36px;
    letter-spacing: 0.5px;
}

.brand-icon {
    width: 32px;
    height: 32px;
    border-radius: 7px;
    display: block;
}

.brand .zh {
    font-size: 14px;
    color: var(--secondary);
    margin-left: 4px;
    letter-spacing: 1px;
}

h1 {
    font-family: Georgia, "Songti SC", "Times New Roman", serif;
    font-size: 30px;
    font-weight: 400;
    letter-spacing: 0.3px;
    margin: 0 0 8px;
}

h2 {
    font-family: Georgia, "Songti SC", "Times New Roman", serif;
    font-size: 22px;
    font-weight: 400;
    margin: 56px 0 16px;
    letter-spacing: 0.2px;
}

h3 {
    font-size: 15px;
    font-weight: 600;
    margin: 24px 0 8px;
}

.meta {
    color: var(--secondary);
    font-size: 13px;
    margin-bottom: 28px;
}

p, li {
    color: var(--ink);
}

a {
    color: var(--accent);
    text-decoration: underline;
    text-underline-offset: 2px;
    text-decoration-thickness: 0.5px;
}

a:hover { text-decoration-thickness: 1.5px; }

ul, ol { padding-left: 22px; }

li { margin: 4px 0; }

table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
    font-size: 14px;
}

th, td {
    text-align: left;
    padding: 8px 12px;
    border-bottom: 1px solid var(--rule);
}

th { font-weight: 600; }

hr {
    border: 0;
    border-top: 1px solid var(--rule);
    margin: 36px 0;
}

code {
    font-family: "SF Mono", Menlo, Consolas, monospace;
    font-size: 13px;
    background: rgba(0,0,0,0.05);
    padding: 2px 5px;
    border-radius: 3px;
}

footer {
    margin-top: 64px;
    padding-top: 24px;
    border-top: 1px solid var(--rule);
    color: var(--secondary);
    font-size: 13px;
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

footer a { color: var(--secondary); text-decoration: none; }
footer a:hover { color: var(--ink); text-decoration: underline; }

/* ========== Landing-page-only ========== */

.hero {
    text-align: center;
    padding: 16px 0 24px;
}

.hero-card {
    display: block;
    width: 100%;
    max-width: 460px;
    height: auto;
    margin: 0 auto 32px;
}

.hero h1 {
    font-size: 38px;
    line-height: 1.15;
    margin: 0 0 8px;
}

.hero .tagline {
    color: var(--secondary);
    font-style: italic;
    font-size: 17px;
    margin: 0 0 20px;
}

.tagline-cn {
    color: var(--secondary);
    font-size: 14px;
    letter-spacing: 1px;
    margin: 0 0 32px;
}

/* ========== Section: lead paragraph ========== */

.lead {
    font-size: 17px;
    line-height: 1.7;
    color: var(--ink);
    margin: 0 0 8px;
}

/* ========== Section: sample card grid ========== */

.section-eyebrow {
    font-size: 11px;
    color: var(--secondary);
    letter-spacing: 2.5px;
    text-transform: uppercase;
    margin: 0 0 8px;
}

.sample-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin: 28px 0 16px;
}

@media (max-width: 560px) {
    .sample-grid { grid-template-columns: 1fr 1fr; }
    .sample-grid > :nth-child(3) { display: none; }
}

.sample-card {
    background: #fefcf6;
    border-radius: 10px;
    padding: 8px 8px 10px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    display: flex;
    flex-direction: column;
}

.sample-top {
    aspect-ratio: 1;
    border-radius: 6px;
    position: relative;
    overflow: hidden;
}

.sample-top.gradient-1 {
    background: linear-gradient(160deg, #2a3142 0%, #c8634a 35%, #f0a87a 70%, #f4d4a0 100%);
}

.sample-top.gradient-2 {
    background: linear-gradient(170deg, #5b8da6 0%, #a8c8d6 50%, #b8c8a8 100%);
}

.sample-top.gradient-3 {
    background: linear-gradient(175deg, #6ba8c8 0%, #b8d8e8 60%, #d8c8a0 100%);
}

.sample-top .cw-mono {
    position: absolute;
    top: 8px;
    left: 10px;
    font-family: Georgia, serif;
    font-style: italic;
    font-size: 13px;
    color: rgba(255,255,255,0.85);
    letter-spacing: 0.5px;
}

.sample-photo {
    aspect-ratio: 16 / 9;
    overflow: hidden;
    border-radius: 0 0 4px 4px;
    margin-top: 2px;
}

.sample-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(1) contrast(1.05);
    display: block;
}

.sample-caption {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 6px 4px 0;
}

.sample-caption .loc {
    font-family: Georgia, "Songti SC", serif;
    font-size: 9px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--ink);
    line-height: 1.3;
}

.sample-caption .loc small {
    display: block;
    font-size: 7px;
    color: var(--secondary);
    letter-spacing: 1px;
    margin-top: 1px;
}

.palette {
    display: flex;
    gap: 3px;
}

.palette i {
    display: block;
    width: 7px;
    height: 7px;
    border-radius: 50%;
}

/* ========== Section: caption modes ========== */

.modes {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin: 24px 0 0;
}

@media (max-width: 480px) {
    .modes { grid-template-columns: 1fr; }
}

.mode-card {
    padding: 18px 18px 16px;
    background: rgba(0,0,0,0.025);
    border-radius: 8px;
    border: 1px solid var(--rule);
}

.mode-label {
    font-size: 10px;
    letter-spacing: 2px;
    color: var(--secondary);
    text-transform: uppercase;
    margin: 0 0 12px;
}

.mode-caption {
    font-family: Georgia, "Songti SC", "Source Han Serif SC", serif;
    font-size: 17px;
    line-height: 1.55;
    color: var(--ink);
    margin: 0 0 6px;
}

.mode-caption .meta-line {
    display: block;
    font-style: italic;
    color: var(--secondary);
    font-size: 13px;
    margin-top: 6px;
}

.mode-card.literary .mode-caption {
    font-style: italic;
}

/* ========== Section: feature grid (visual) ========== */

.feature-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin: 24px 0 8px;
}

@media (max-width: 480px) {
    .feature-grid { grid-template-columns: 1fr; }
}

.feature {
    padding: 16px 18px;
    background: rgba(0,0,0,0.025);
    border-radius: 8px;
    border-left: 3px solid var(--rule);
}

.feature.coral { border-left-color: var(--coral); }
.feature.sky { border-left-color: var(--sky); }
.feature.sage { border-left-color: var(--sage); }
.feature.ink { border-left-color: var(--ink); }

.feature strong {
    display: block;
    font-size: 14px;
    margin-bottom: 4px;
    letter-spacing: 0.2px;
}

.feature span {
    font-size: 14px;
    color: var(--secondary);
    line-height: 1.55;
}

/* ========== Privacy callout ========== */

.privacy-note {
    margin: 48px 0 0;
    padding: 18px 20px;
    background: rgba(0,0,0,0.025);
    border-radius: 8px;
    font-size: 14px;
    color: var(--secondary);
    line-height: 1.6;
}

.privacy-note strong { color: var(--ink); }

/* ========== CTA ========== */

.cta {
    text-align: center;
    margin: 48px 0 16px;
}

.cta a {
    display: inline-block;
    padding: 12px 28px;
    background: var(--ink);
    color: var(--bg);
    text-decoration: none;
    border-radius: 4px;
    font-weight: 500;
    letter-spacing: 0.3px;
}

.cta a:hover { background: #000; }

.cta-note {
    display: block;
    font-size: 12px;
    color: var(--secondary);
    margin-top: 10px;
}