*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --canvas: #f7f7f4;
    --canvas-soft: #fafaf7;
    --surface-card: #ffffff;
    --surface-strong: #e6e5e0;
    --primary: #f54e00;
    --primary-active: #d04200;
    --ink: #26251e;
    --body: #5a5852;
    --body-strong: #26251e;
    --muted: #807d72;
    --muted-soft: #a09c92;
    --on-primary: #ffffff;
    --hairline: #e6e5e0;
    --hairline-soft: #efeee8;
    --hairline-strong: #cfcdc4;
    --success: #1f8a65;
    --error: #cf2d56;
    --rounded-xs: 4px;
    --rounded-sm: 6px;
    --rounded-md: 8px;
    --rounded-lg: 12px;
    --rounded-xl: 16px;
    --rounded-pill: 9999px;
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
    font-family: 'Inter', system-ui, 'Helvetica Neue', Helvetica, Arial, sans-serif;
    background: var(--canvas);
    color: var(--body);
    line-height: 1.5;
    font-weight: 400;
}

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

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

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* NAV */
.site-nav {
    background: var(--canvas);
    border-bottom: 1px solid var(--hairline);
    height: 64px;
    position: sticky;
    top: 0;
    z-index: 100;
}
.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.nav-logo {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    letter-spacing: -0.2px;
}
.nav-logo span { color: var(--primary); }
.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
}
.nav-links a {
    font-size: 14px;
    font-weight: 500;
    color: var(--body);
    line-height: 1.4;
    transition: color 0.15s;
}
.nav-links a:hover { color: var(--ink); }
.nav-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}
.nav-hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--ink);
    border-radius: 2px;
    transition: all 0.2s;
}

/* HERO */
.hero {
    padding: 80px 0;
    background: var(--canvas);
    border-bottom: 1px solid var(--hairline-soft);
}
.hero-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}
.hero-label {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    background: var(--surface-strong);
    color: var(--ink);
    border-radius: var(--rounded-pill);
    padding: 4px 10px;
    margin-bottom: 20px;
}
.hero h1 {
    font-size: 52px;
    font-weight: 400;
    line-height: 1.1;
    letter-spacing: -1.5px;
    color: var(--ink);
    margin-bottom: 20px;
}
.hero-desc {
    font-size: 16px;
    color: var(--body);
    line-height: 1.6;
    max-width: 480px;
    margin-bottom: 32px;
}
.hero-meta {
    font-size: 13px;
    color: var(--muted);
}
.hero-image {
    border-radius: var(--rounded-lg);
    border: 1px solid var(--hairline);
    overflow: hidden;
    aspect-ratio: 4/3;
    background: var(--surface-strong);
}
.hero-image img { width: 100%; height: 100%; object-fit: cover; }

/* SECTIONS */
.section { padding: 80px 0; }
.section-alt { background: var(--canvas-soft); }
.section-label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 12px;
}
.section-title {
    font-size: 36px;
    font-weight: 400;
    letter-spacing: -0.72px;
    color: var(--ink);
    line-height: 1.2;
    margin-bottom: 16px;
}
.section-desc {
    font-size: 16px;
    color: var(--body);
    line-height: 1.5;
    max-width: 640px;
    margin-bottom: 48px;
}

/* CARDS */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.cards-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(--rounded-lg);
    padding: 24px;
    transition: border-color 0.15s;
}
.card:hover { border-color: var(--hairline-strong); }
.card-img {
    border-radius: var(--rounded-md);
    overflow: hidden;
    aspect-ratio: 16/9;
    background: var(--surface-strong);
    margin-bottom: 20px;
}
.card-img img { width: 100%; height: 100%; object-fit: cover; }
.card-label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 8px;
}
.card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 10px;
    line-height: 1.3;
}
.card p {
    font-size: 14px;
    color: var(--body);
    line-height: 1.5;
    margin-bottom: 16px;
}
.card-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--primary);
}
.card-link:hover { color: var(--primary-active); }

/* ARTICLE CARDS */
.article-card {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--rounded-lg);
    overflow: hidden;
    transition: border-color 0.15s;
}
.article-card:hover { border-color: var(--hairline-strong); }
.article-card-img {
    aspect-ratio: 16/9;
    background: var(--surface-strong);
    overflow: hidden;
}
.article-card-img img { width: 100%; height: 100%; object-fit: cover; }
.article-card-body { padding: 24px; }
.article-card-body .card-label { margin-bottom: 8px; }
.article-card-body h3 {
    font-size: 20px;
    font-weight: 400;
    letter-spacing: -0.11px;
    color: var(--ink);
    line-height: 1.3;
    margin-bottom: 10px;
}
.article-card-body p {
    font-size: 14px;
    color: var(--body);
    line-height: 1.5;
    margin-bottom: 16px;
}
.article-date {
    font-size: 13px;
    color: var(--muted);
}

/* ARTICLE PAGE */
.article-header {
    padding: 60px 0 40px;
    background: var(--canvas);
    border-bottom: 1px solid var(--hairline-soft);
}
.article-breadcrumb {
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 16px;
}
.article-breadcrumb a { color: var(--muted); }
.article-breadcrumb a:hover { color: var(--ink); }
.article-header h1 {
    font-size: 42px;
    font-weight: 400;
    letter-spacing: -1px;
    color: var(--ink);
    line-height: 1.15;
    max-width: 800px;
    margin-bottom: 20px;
}
.article-meta {
    font-size: 13px;
    color: var(--muted);
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}
.article-hero-img {
    margin: 40px 0;
    border-radius: var(--rounded-lg);
    overflow: hidden;
    border: 1px solid var(--hairline);
    aspect-ratio: 21/9;
    background: var(--surface-strong);
}
.article-hero-img img { width: 100%; height: 100%; object-fit: cover; }
.article-img-caption {
    font-size: 13px;
    color: var(--muted);
    margin-top: 8px;
    font-style: italic;
}
.article-content {
    max-width: 740px;
}
.article-content h2 {
    font-size: 26px;
    font-weight: 400;
    letter-spacing: -0.325px;
    color: var(--ink);
    line-height: 1.25;
    margin: 40px 0 16px;
}
.article-content h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--ink);
    line-height: 1.3;
    margin: 28px 0 12px;
}
.article-content p {
    font-size: 16px;
    color: var(--body);
    line-height: 1.6;
    margin-bottom: 20px;
}
.article-content ul, .article-content ol {
    margin: 0 0 20px 24px;
    color: var(--body);
    font-size: 16px;
    line-height: 1.6;
}
.article-content li { margin-bottom: 6px; }
.article-content a { color: var(--primary); }
.article-content a:hover { color: var(--primary-active); }
.article-content strong { color: var(--ink); font-weight: 600; }

.info-box {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-left: 3px solid var(--primary);
    border-radius: var(--rounded-md);
    padding: 20px 24px;
    margin: 28px 0;
}
.info-box p { margin-bottom: 0; font-size: 15px; }

.article-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 48px;
    padding: 48px 0 80px;
    align-items: start;
}
.article-sidebar { position: sticky; top: 80px; }
.sidebar-box {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--rounded-lg);
    padding: 24px;
    margin-bottom: 24px;
}
.sidebar-box h4 {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 16px;
}
.sidebar-box ul { list-style: none; }
.sidebar-box li { margin-bottom: 10px; }
.sidebar-box a {
    font-size: 14px;
    color: var(--body);
    line-height: 1.4;
}
.sidebar-box a:hover { color: var(--ink); }

/* FORM */
.contact-form-wrap {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--rounded-lg);
    padding: 32px;
    max-width: 640px;
}
.form-group { margin-bottom: 20px; }
.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--ink);
    margin-bottom: 6px;
}
.form-group input,
.form-group textarea {
    width: 100%;
    background: var(--surface-card);
    border: 1px solid var(--hairline-strong);
    border-radius: var(--rounded-md);
    padding: 12px 16px;
    font-size: 16px;
    font-family: inherit;
    color: var(--ink);
    outline: none;
    transition: border-color 0.15s;
    height: 44px;
}
.form-group textarea { height: 120px; resize: vertical; }
.form-group input:focus,
.form-group textarea:focus { border-color: var(--primary); }
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--muted-soft); }
.form-error {
    font-size: 13px;
    color: var(--error);
    margin-top: 4px;
    display: none;
}
.form-msg {
    padding: 12px 16px;
    border-radius: var(--rounded-md);
    font-size: 14px;
    margin-top: 16px;
    display: none;
}
.form-msg.success {
    background: #e8f5f0;
    color: var(--success);
    border: 1px solid #b8ddd0;
}
.form-loading { display: none; color: var(--muted); font-size: 14px; margin-top: 12px; }

/* BUTTONS */
.btn-primary {
    display: inline-flex;
    align-items: center;
    background: var(--primary);
    color: var(--on-primary);
    font-size: 14px;
    font-weight: 500;
    line-height: 1;
    padding: 10px 18px;
    height: 40px;
    border-radius: var(--rounded-md);
    border: none;
    cursor: pointer;
    transition: background 0.15s;
    text-decoration: none;
}
.btn-primary:hover { background: var(--primary-active); color: var(--on-primary); }
.btn-secondary {
    display: inline-flex;
    align-items: center;
    background: var(--surface-card);
    color: var(--ink);
    font-size: 14px;
    font-weight: 500;
    line-height: 1;
    padding: 10px 18px;
    height: 40px;
    border-radius: var(--rounded-md);
    border: 1px solid var(--hairline-strong);
    cursor: pointer;
    transition: border-color 0.15s;
    text-decoration: none;
}
.btn-secondary:hover { border-color: var(--ink); color: var(--ink); }

/* DIVIDER */
.divider { height: 1px; background: var(--hairline); margin: 0; }

/* INFO STRIP */
.info-strip {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--hairline);
    border: 1px solid var(--hairline);
    border-radius: var(--rounded-lg);
    overflow: hidden;
    margin-top: 48px;
}
.info-strip-item {
    background: var(--surface-card);
    padding: 24px;
}
.info-strip-item .num {
    font-size: 32px;
    font-weight: 400;
    letter-spacing: -0.5px;
    color: var(--ink);
    margin-bottom: 4px;
}
.info-strip-item p {
    font-size: 14px;
    color: var(--body);
}

/* FOOTER */
.site-footer {
    background: var(--canvas);
    border-top: 1px solid var(--hairline);
    padding: 64px 0 0;
}
.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 48px;
}
.footer-brand {
    font-size: 16px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 12px;
}
.footer-brand span { color: var(--primary); }
.footer-desc { font-size: 14px; color: var(--body); line-height: 1.5; }
.footer-heading {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 16px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { font-size: 14px; color: var(--body); line-height: 1.4; }
.footer-col a:hover { color: var(--ink); }
.footer-bottom {
    border-top: 1px solid var(--hairline);
    padding: 20px 24px;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}
.footer-bottom p { font-size: 13px; color: var(--muted); }
.footer-bottom a { color: var(--muted); }
.footer-bottom a:hover { color: var(--ink); }

/* COOKIE BANNER */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--ink);
    color: var(--canvas);
    z-index: 999;
    padding: 16px 24px;
}
.cookie-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
}
.cookie-inner p { font-size: 14px; line-height: 1.5; color: var(--canvas); }
.cookie-inner a { color: var(--canvas); text-decoration: underline; }
.cookie-actions { display: flex; gap: 12px; flex-shrink: 0; }
.cookie-actions .btn-primary { background: var(--primary); }
.cookie-actions .btn-secondary {
    background: transparent;
    border-color: rgba(247,247,244,0.3);
    color: var(--canvas);
}
.cookie-actions .btn-secondary:hover { border-color: var(--canvas); }

/* PAGE HERO */
.page-hero {
    padding: 60px 0;
    border-bottom: 1px solid var(--hairline-soft);
}
.page-hero h1 {
    font-size: 42px;
    font-weight: 400;
    letter-spacing: -1px;
    color: var(--ink);
    line-height: 1.15;
    margin-bottom: 12px;
}
.page-hero p {
    font-size: 16px;
    color: var(--body);
    max-width: 640px;
}
.page-content {
    padding: 48px 0 80px;
    max-width: 740px;
}
.page-content h2 {
    font-size: 26px;
    font-weight: 400;
    letter-spacing: -0.325px;
    color: var(--ink);
    line-height: 1.25;
    margin: 40px 0 14px;
}
.page-content h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    margin: 24px 0 10px;
}
.page-content p {
    font-size: 16px;
    color: var(--body);
    line-height: 1.6;
    margin-bottom: 18px;
}
.page-content ul, .page-content ol {
    margin: 0 0 18px 24px;
    font-size: 16px;
    color: var(--body);
    line-height: 1.6;
}
.page-content li { margin-bottom: 6px; }
.page-content a { color: var(--primary); }
.page-content strong { color: var(--ink); font-weight: 600; }
.page-updated { font-size: 13px; color: var(--muted); margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--hairline); }

/* SCHEMA / DISCLAIMER */
.disclaimer {
    background: var(--canvas-soft);
    border: 1px solid var(--hairline);
    border-radius: var(--rounded-md);
    padding: 16px 20px;
    font-size: 13px;
    color: var(--muted);
    line-height: 1.5;
    margin-top: 32px;
}

/* RESPONSIVE */
@media (max-width: 1024px) {
    .hero-inner { grid-template-columns: 1fr; gap: 40px; }
    .hero h1 { font-size: 42px; }
    .cards-grid { grid-template-columns: repeat(2, 1fr); }
    .article-layout { grid-template-columns: 1fr; }
    .article-sidebar { position: static; }
    .footer-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 64px;
        left: 0; right: 0;
        background: var(--canvas);
        border-bottom: 1px solid var(--hairline);
        flex-direction: column;
        padding: 16px 24px;
        gap: 0;
    }
    .nav-links.open { display: flex; }
    .nav-links li { border-bottom: 1px solid var(--hairline-soft); }
    .nav-links a { display: block; padding: 12px 0; font-size: 15px; }
    .nav-hamburger { display: flex; }
    .site-nav { position: relative; }
    .hero { padding: 48px 0; }
    .hero h1 { font-size: 32px; letter-spacing: -0.5px; }
    .section { padding: 48px 0; }
    .section-title { font-size: 28px; }
    .cards-grid, .cards-grid-2 { grid-template-columns: 1fr; }
    .info-strip { grid-template-columns: 1fr; }
    .footer-inner { grid-template-columns: 1fr; gap: 32px; }
    .footer-bottom { flex-direction: column; align-items: flex-start; }
    .article-header h1 { font-size: 30px; }
    .page-hero h1 { font-size: 30px; }
    .hero-image { aspect-ratio: 16/9; }
    .article-hero-img { aspect-ratio: 16/9; }
}
@media (max-width: 480px) {
    .cookie-inner { flex-direction: column; align-items: flex-start; }
    .contact-form-wrap { padding: 20px; }
}