:root {
    --canvas: #f7f7f4;
    --canvas-soft: #fafaf7;
    --surface-card: #ffffff;
    --surface-strong: #e6e5e0;
    --hairline: #e6e5e0;
    --hairline-soft: #efeee8;
    --hairline-strong: #cfcdc4;
    --ink: #26251e;
    --body: #5a5852;
    --muted: #807d72;
    --muted-soft: #a09c92;
    --primary: #f54e00;
    --primary-active: #d04200;
    --on-primary: #ffffff;
    --success: #1f8a65;
    --error: #cf2d56;
    --r-xs: 4px;
    --r-sm: 6px;
    --r-md: 8px;
    --r-lg: 12px;
    --r-xl: 16px;
    --r-pill: 9999px;
    --section: 80px;
    --maxw: 1200px;
    --sans: "Inter", system-ui, "Helvetica Neue", Helvetica, Arial, sans-serif;
    --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    background: var(--canvas);
    color: var(--body);
    font-family: var(--sans);
    font-size: 16px;
    line-height: 1.5;
    letter-spacing: -0.01em;
}

img { max-width: 100%; display: block; }

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

p { margin: 0 0 16px; }

h1, h2, h3, h4 {
    color: var(--ink);
    font-weight: 400;
    margin: 0 0 16px;
    letter-spacing: -0.02em;
}

.container {
    width: 100%;
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 0 24px;
}

.eyebrow {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    margin: 0 0 12px;
}

.badge-pill {
    display: inline-block;
    background: var(--surface-strong);
    color: var(--ink);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    border-radius: var(--r-pill);
    padding: 4px 10px;
}

.top-nav {
    background: var(--canvas);
    border-bottom: 1px solid var(--hairline);
    position: sticky;
    top: 0;
    z-index: 50;
}

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

.brand { display: flex; align-items: center; gap: 10px; }

.brand-mark {
    width: 16px;
    height: 16px;
    border-radius: var(--r-xs);
    background: var(--primary);
    display: inline-block;
}

.brand-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--ink);
    letter-spacing: -0.01em;
}

.nav-links { display: flex; align-items: center; gap: 28px; }

.nav-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--body);
}

.nav-link:hover, .nav-link[aria-current="page"] { color: var(--ink); }

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: 0;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    width: 22px;
    height: 2px;
    background: var(--ink);
    display: block;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--sans);
    font-size: 14px;
    font-weight: 500;
    line-height: 1;
    cursor: pointer;
    border-radius: var(--r-md);
    border: 1px solid transparent;
    padding: 12px 18px;
    transition: background-color .15s ease, border-color .15s ease;
}

.btn-primary { background: var(--primary); color: var(--on-primary); }
.btn-primary:hover { background: var(--primary-active); }

.btn-secondary {
    background: var(--surface-card);
    color: var(--ink);
    border-color: var(--hairline-strong);
}
.btn-secondary:hover { border-color: var(--ink); }

.btn-ink { background: var(--ink); color: var(--canvas); padding: 12px 20px; }
.btn-ink:hover { background: #000; }

.hero {
    padding: var(--section) 0 56px;
    border-bottom: 1px solid var(--hairline);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    gap: 48px;
    align-items: center;
}

.hero h1 {
    font-size: 60px;
    line-height: 1.05;
    letter-spacing: -2px;
    margin-bottom: 20px;
}

.hero-lead {
    font-size: 18px;
    color: var(--body);
    max-width: 46ch;
    margin-bottom: 24px;
}

.hero-meta {
    font-size: 13px;
    color: var(--muted);
    margin-top: 24px;
}

.hero-figure {
    border: 1px solid var(--hairline);
    border-radius: var(--r-lg);
    overflow: hidden;
    background: var(--surface-card);
}

.hero-figure img { width: 100%; height: 420px; object-fit: cover; }

.figure-caption {
    font-size: 13px;
    color: var(--muted);
    padding: 12px 16px;
    border-top: 1px solid var(--hairline);
}

.section { padding: var(--section) 0; }
.section + .section { border-top: 1px solid var(--hairline); }

.section-head { max-width: 60ch; margin-bottom: 40px; }
.section-head h2 { font-size: 36px; line-height: 1.2; letter-spacing: -0.72px; }
.section-head p { font-size: 16px; color: var(--body); }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }

.card {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--r-lg);
    padding: 24px;
}

.card h3 { font-size: 22px; letter-spacing: -0.11px; }
.card .card-title { font-size: 18px; font-weight: 600; letter-spacing: 0; }
.card p { font-size: 16px; color: var(--body); margin-bottom: 0; }

.card-media {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--r-lg);
    overflow: hidden;
}

.card-media img { width: 100%; height: 220px; object-fit: cover; }
.card-media .card-body { padding: 24px; }
.card-media .card-body h3 { font-size: 22px; letter-spacing: -0.11px; }
.card-media .card-body p { color: var(--body); margin-bottom: 16px; }

.read-link { font-size: 14px; font-weight: 500; color: var(--primary); }
.read-link:hover { color: var(--primary-active); }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; counter-reset: step; }
.step { background: var(--surface-card); border: 1px solid var(--hairline); border-radius: var(--r-lg); padding: 24px; }
.step .step-num {
    font-family: var(--mono);
    font-size: 13px;
    color: var(--muted);
    display: block;
    margin-bottom: 12px;
}
.step h3 { font-size: 18px; font-weight: 600; letter-spacing: 0; }
.step p { margin-bottom: 0; }

.spec {
    background: var(--canvas-soft);
    border: 1px solid var(--hairline);
    border-radius: var(--r-lg);
    padding: 20px;
    font-family: var(--mono);
    font-size: 13px;
    color: var(--ink);
    line-height: 1.6;
}
.spec .spec-row { display: flex; justify-content: space-between; gap: 16px; border-bottom: 1px solid var(--hairline-soft); padding: 8px 0; }
.spec .spec-row:last-child { border-bottom: 0; }
.spec .spec-key { color: var(--muted); }

.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }

.form-field { margin-bottom: 16px; }
.form-field label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 6px;
}
.form-field input {
    width: 100%;
    height: 44px;
    background: var(--surface-card);
    border: 1px solid var(--hairline-strong);
    border-radius: var(--r-md);
    padding: 12px 16px;
    font-family: var(--sans);
    font-size: 16px;
    color: var(--ink);
}
.form-field input:focus { outline: none; border-color: var(--ink); }
.form-field input:invalid:not(:placeholder-shown) { border-color: var(--error); }

.form-status { font-size: 14px; margin-top: 8px; min-height: 20px; }
.form-status.success { color: var(--success); }

.contact-aside .spec { margin-bottom: 16px; }

.article-hero { padding: var(--section) 0 40px; border-bottom: 1px solid var(--hairline); }
.article-hero h1 { font-size: 44px; line-height: 1.1; letter-spacing: -1.2px; max-width: 22ch; }
.article-meta { font-size: 13px; color: var(--muted); margin-bottom: 16px; }

.article-body { padding: 56px 0 var(--section); }
.article-body .container { max-width: 760px; }
.article-body h2 { font-size: 26px; letter-spacing: -0.325px; margin-top: 40px; }
.article-body h3 { font-size: 20px; margin-top: 28px; }
.article-body p, .article-body li { font-size: 16px; line-height: 1.65; color: var(--body); letter-spacing: 0.08px; }
.article-body ul, .article-body ol { padding-left: 22px; margin: 0 0 16px; }
.article-body li { margin-bottom: 8px; }

.article-figure { margin: 32px 0; border: 1px solid var(--hairline); border-radius: var(--r-lg); overflow: hidden; background: var(--surface-card); }
.article-figure img { width: 100%; height: 360px; object-fit: cover; }
.article-figure figcaption { font-size: 13px; color: var(--muted); padding: 12px 16px; border-top: 1px solid var(--hairline); }

.callout {
    background: var(--canvas-soft);
    border: 1px solid var(--hairline);
    border-left: 3px solid var(--primary);
    border-radius: var(--r-md);
    padding: 20px 24px;
    margin: 28px 0;
}
.callout p:last-child { margin-bottom: 0; }

.ref-list { font-size: 14px; }
.ref-list a { color: var(--primary); }
.ref-list a:hover { color: var(--primary-active); }

.article-nav { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--hairline); }

.legal-body { padding: 56px 0 var(--section); }
.legal-body .container { max-width: 800px; }
.legal-body h2 { font-size: 24px; margin-top: 36px; }
.legal-body p, .legal-body li { color: var(--body); }

.footer { background: var(--canvas); border-top: 1px solid var(--hairline); padding: 48px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 32px; }
.footer-head { font-size: 11px; font-weight: 600; letter-spacing: 0.88px; text-transform: uppercase; color: var(--muted); margin-bottom: 16px; }
.footer-link { display: block; font-size: 14px; color: var(--body); margin-bottom: 8px; }
.footer-link:hover { color: var(--ink); }
.footer-note { font-size: 14px; color: var(--body); margin-top: 12px; max-width: 32ch; }
.footer-bottom {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--hairline);
    font-size: 13px;
    color: var(--muted);
}
.footer-disclaimer { max-width: 48ch; }

.cookie-banner {
    position: fixed;
    left: 24px;
    right: 24px;
    bottom: 24px;
    background: var(--surface-card);
    border: 1px solid var(--hairline-strong);
    border-radius: var(--r-lg);
    z-index: 60;
}
.cookie-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 16px 20px; max-width: var(--maxw); margin: 0 auto; }
.cookie-text { font-size: 14px; color: var(--body); margin: 0; }
.cookie-text a { color: var(--primary); }
.cookie-actions { display: flex; gap: 12px; flex-shrink: 0; }

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

@media (max-width: 1024px) {
    .hero h1 { font-size: 48px; letter-spacing: -1.4px; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    :root { --section: 56px; }
    .nav-toggle { display: flex; }
    .nav-links {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        flex-direction: column;
        gap: 0;
        background: var(--canvas);
        border-bottom: 1px solid var(--hairline);
        padding: 8px 24px 16px;
    }
    .nav-links.open { display: flex; }
    .nav-link { padding: 10px 0; }
    .hero-grid, .contact-grid { grid-template-columns: 1fr; gap: 32px; }
    .hero h1 { font-size: 34px; letter-spacing: -1px; }
    .grid-3, .grid-2, .steps { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .cookie-inner { flex-direction: column; align-items: flex-start; }
    .article-hero h1 { font-size: 32px; }
}