:root {
    --bg: #fbf8f5;
    --bg-soft: #f3ede5;
    --ink: #1a1a1a;
    --ink-soft: #555;
    --accent: #d94f6b;
    --accent-soft: #f9e1e6;
    --line: #e9e2d8;
    --radius: 14px;
    --max: 1080px;
    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "SF Pro Text",
        Helvetica, Arial, sans-serif;
    --font-display: "SF Pro Display", -apple-system, BlinkMacSystemFont,
        "Segoe UI", Helvetica, Arial, sans-serif;
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--ink);
    line-height: 1.6;
    font-size: 17px;
    -webkit-font-smoothing: antialiased;
}

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

/* Header */
.site-header {
    border-bottom: 1px solid var(--line);
    background: rgba(251, 248, 245, 0.9);
    backdrop-filter: saturate(180%) blur(10px);
    position: sticky;
    top: 0;
    z-index: 10;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 20px;
    color: var(--ink);
    text-decoration: none;
    letter-spacing: -0.02em;
}

.logo .dot {
    color: var(--accent);
}

.nav {
    display: flex;
    gap: 28px;
}

.nav a {
    color: var(--ink-soft);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: color 0.15s;
}

.nav a:hover,
.nav a.active {
    color: var(--ink);
}

/* Hero */
.hero {
    padding: 88px 0 64px;
    border-bottom: 1px solid var(--line);
}

.badge {
    display: inline-block;
    padding: 6px 12px;
    background: var(--accent-soft);
    color: var(--accent);
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 24px;
    letter-spacing: 0.01em;
}

.hero h1 {
    font-family: var(--font-display);
    font-size: clamp(34px, 5vw, 56px);
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin: 0 0 20px;
    max-width: 760px;
    font-weight: 700;
}

.lead {
    font-size: 19px;
    color: var(--ink-soft);
    max-width: 620px;
    margin: 0 0 36px;
}

.hero-cta {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 13px 22px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 15px;
    text-decoration: none;
    transition: transform 0.1s, background 0.15s, box-shadow 0.15s;
}

.btn-primary {
    background: var(--ink);
    color: var(--bg);
}

.btn-primary:hover {
    background: var(--accent);
    transform: translateY(-1px);
}

.btn-ghost {
    color: var(--ink);
    background: transparent;
    border: 1px solid var(--line);
}

.btn-ghost:hover {
    background: var(--bg-soft);
}

/* Guides section */
.guides {
    padding: 72px 0 80px;
}

.guides h2 {
    font-family: var(--font-display);
    font-size: 32px;
    margin: 0 0 8px;
    letter-spacing: -0.02em;
}

.section-sub {
    color: var(--ink-soft);
    margin: 0 0 40px;
    max-width: 560px;
}

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.card {
    display: block;
    padding: 24px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    text-decoration: none;
    color: var(--ink);
    transition: transform 0.15s, box-shadow 0.15s, border-color 0.15s;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 32px -20px rgba(0, 0, 0, 0.18);
    border-color: #d8cdbc;
}

.card-tag {
    display: inline-block;
    padding: 4px 10px;
    background: var(--bg-soft);
    color: var(--ink-soft);
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 14px;
}

.card h3 {
    font-family: var(--font-display);
    font-size: 20px;
    margin: 0 0 10px;
    line-height: 1.25;
    letter-spacing: -0.01em;
}

.card p {
    color: var(--ink-soft);
    font-size: 15px;
    margin: 0 0 16px;
}

.card-meta {
    color: #999;
    font-size: 13px;
}

/* CTA band */
.cta-band {
    background: var(--ink);
    color: var(--bg);
    padding: 56px 0;
}

.cta-band h2 {
    font-family: var(--font-display);
    font-size: 28px;
    margin: 0 0 6px;
    letter-spacing: -0.02em;
    color: var(--bg);
}

.cta-band p {
    margin: 0;
    color: #b9b3aa;
}

.cta-band .btn-primary {
    background: var(--accent);
}

.cta-band .btn-primary:hover {
    background: #c43e58;
}

.cta-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
}

/* Footer */
.site-footer {
    border-top: 1px solid var(--line);
    padding: 28px 0;
    color: var(--ink-soft);
    font-size: 14px;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.footer-inner a {
    color: var(--ink-soft);
    text-decoration: none;
}

.footer-inner a:hover {
    color: var(--ink);
}

/* Article pages */
.article {
    padding: 56px 0 80px;
}

.article-narrow {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 24px;
}

.crumbs {
    font-size: 14px;
    color: var(--ink-soft);
    margin-bottom: 24px;
}

.crumbs a {
    color: var(--ink-soft);
    text-decoration: none;
}

.crumbs a:hover {
    color: var(--ink);
}

.article h1 {
    font-family: var(--font-display);
    font-size: clamp(30px, 4vw, 44px);
    letter-spacing: -0.025em;
    line-height: 1.15;
    margin: 0 0 16px;
    font-weight: 700;
}

.article-meta {
    color: var(--ink-soft);
    font-size: 14px;
    margin-bottom: 36px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--line);
}

.article h2 {
    font-family: var(--font-display);
    font-size: 26px;
    letter-spacing: -0.015em;
    margin: 44px 0 14px;
}

.article h3 {
    font-family: var(--font-display);
    font-size: 20px;
    margin: 28px 0 10px;
    letter-spacing: -0.01em;
}

.article p {
    margin: 0 0 16px;
    color: #2a2a2a;
}

.article ul,
.article ol {
    padding-left: 22px;
    margin: 0 0 18px;
}

.article li {
    margin-bottom: 8px;
    color: #2a2a2a;
}

.article blockquote {
    margin: 24px 0;
    padding: 16px 22px;
    background: var(--bg-soft);
    border-left: 3px solid var(--accent);
    border-radius: 0 var(--radius) var(--radius) 0;
    color: var(--ink);
    font-style: italic;
}

.callout {
    background: var(--accent-soft);
    border-radius: var(--radius);
    padding: 18px 22px;
    margin: 26px 0;
}

.callout strong {
    color: var(--accent);
}

.example {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 18px 22px;
    margin: 16px 0;
}

.example .label {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--ink-soft);
    margin-bottom: 8px;
}

.example.bad .label {
    color: #b73a3a;
}

.example.good .label {
    color: #2d8a4a;
}

.next-up {
    margin-top: 56px;
    padding-top: 32px;
    border-top: 1px solid var(--line);
}

.next-up h3 {
    margin-top: 0;
}

.next-up a {
    display: inline-block;
    padding: 14px 18px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    text-decoration: none;
    color: var(--ink);
    font-weight: 600;
    transition: border-color 0.15s;
}

.next-up a:hover {
    border-color: var(--accent);
}

/* About page */
.about-block {
    padding: 72px 0;
}

.about-block h1 {
    font-family: var(--font-display);
    font-size: clamp(32px, 4.5vw, 48px);
    letter-spacing: -0.025em;
    margin: 0 0 24px;
}

.about-block p {
    font-size: 18px;
    color: var(--ink-soft);
    max-width: 640px;
    margin: 0 0 16px;
}

/* Responsive */
@media (max-width: 600px) {
    .hero {
        padding: 56px 0 40px;
    }
    .nav {
        gap: 16px;
    }
    .nav a {
        font-size: 14px;
    }
    .cta-inner {
        flex-direction: column;
        align-items: flex-start;
    }
}