@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&display=swap');

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

:root {
    --primary: #181d26;
    --primary-active: #0d1218;
    --canvas: #ffffff;
    --surface-soft: #f8fafc;
    --surface-strong: #e0e2e6;
    --surface-dark: #181d26;
    --hairline: #dddddd;
    --ink: #181d26;
    --body: #333840;
    --muted: #41454d;
    --on-primary: #ffffff;
    --link: #1b61c9;
    --signature-coral: #aa2d00;
    --signature-forest: #0a2e0e;
    --signature-cream: #f5e9d4;
    --signature-peach: #fcab79;
    --signature-mint: #a8d8c4;
    --rounded-xs: 2px;
    --rounded-sm: 6px;
    --rounded-md: 10px;
    --rounded-lg: 12px;
    --spacing-xs: 8px;
    --spacing-sm: 12px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-xxl: 48px;
    --spacing-section: 96px;
    --max-width: 1280px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 14px;
    font-weight: 400;
    line-height: 1.25;
    color: var(--body);
    background: var(--canvas);
}

a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }

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

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

/* TOP NAV */
.top-nav {
    height: 64px;
    background: var(--canvas);
    border-bottom: 1px solid var(--hairline);
    position: sticky;
    top: 0;
    z-index: 100;
}

.top-nav .container {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    text-decoration: none;
}

.nav-logo span { color: var(--signature-coral); }

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    list-style: none;
}

.nav-menu a {
    font-size: 14px;
    font-weight: 400;
    color: var(--body);
    text-decoration: none;
    transition: color 0.15s;
}

.nav-menu a:hover { color: var(--ink); text-decoration: none; }

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.btn-primary {
    background: var(--primary);
    color: var(--on-primary);
    font-size: 16px;
    font-weight: 500;
    line-height: 1.4;
    padding: 12px var(--spacing-lg);
    border-radius: var(--rounded-lg);
    border: none;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: background 0.15s;
}

.btn-primary:active { background: var(--primary-active); text-decoration: none; }
.btn-primary:hover { background: var(--primary-active); text-decoration: none; }

.btn-secondary {
    background: var(--canvas);
    color: var(--ink);
    font-size: 16px;
    font-weight: 500;
    line-height: 1.4;
    padding: 12px var(--spacing-lg);
    border-radius: var(--rounded-lg);
    border: 1px solid var(--hairline);
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: border-color 0.15s;
}

.btn-secondary:hover { border-color: var(--ink); text-decoration: none; }

.nav-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--ink);
    border-radius: 2px;
    transition: all 0.2s;
}

/* HERO */
.hero-band {
    padding: var(--spacing-section) 0;
    background: var(--canvas);
}

.hero-band .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-section);
    align-items: center;
}

.hero-content h1 {
    font-size: 40px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--ink);
    margin-bottom: var(--spacing-lg);
}

.hero-content p {
    font-size: 14px;
    color: var(--body);
    line-height: 1.6;
    margin-bottom: var(--spacing-xl);
    max-width: 480px;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-image {
    border-radius: var(--rounded-md);
    overflow: hidden;
    aspect-ratio: 4/3;
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* SIGNATURE CARDS */
.signature-coral-card {
    background: var(--signature-coral);
    color: var(--on-primary);
    border-radius: var(--rounded-lg);
    padding: var(--spacing-xxl);
}

.signature-forest-card {
    background: var(--signature-forest);
    color: var(--on-primary);
    border-radius: var(--rounded-lg);
    padding: var(--spacing-xxl);
}

.signature-dark-card {
    background: var(--surface-dark);
    color: var(--on-primary);
    border-radius: var(--rounded-lg);
    padding: var(--spacing-xxl);
}

.signature-cream-card {
    background: var(--signature-cream);
    color: var(--ink);
    border-radius: var(--rounded-md);
    padding: var(--spacing-lg);
}

/* SECTION BAND */
.section-band {
    padding: var(--spacing-section) 0;
}

.section-band-soft {
    padding: var(--spacing-section) 0;
    background: var(--surface-soft);
}

.section-band-dark {
    padding: var(--spacing-section) 0;
    background: var(--surface-dark);
    color: var(--on-primary);
}

.section-band-cream {
    padding: var(--spacing-section) 0;
    background: var(--signature-cream);
}

.section-title {
    font-size: 24px;
    font-weight: 400;
    line-height: 1.35;
    letter-spacing: 0.12px;
    color: var(--ink);
    margin-bottom: var(--spacing-lg);
}

.section-band-dark .section-title { color: var(--on-primary); }

.section-subtitle {
    font-size: 14px;
    color: var(--body);
    line-height: 1.6;
    margin-bottom: var(--spacing-xxl);
    max-width: 640px;
}

.section-band-dark .section-subtitle { color: rgba(255,255,255,0.75); }

/* CARDS GRID */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.cards-grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.article-card {
    background: var(--canvas);
    border-radius: var(--rounded-md);
    overflow: hidden;
    border: 1px solid var(--hairline);
    transition: border-color 0.15s;
}

.article-card:hover { border-color: var(--ink); }

.article-card-image {
    aspect-ratio: 16/9;
    overflow: hidden;
}

.article-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.article-card:hover .article-card-image img { transform: scale(1.03); }

.article-card-body {
    padding: var(--spacing-md);
}

.article-card-tag {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: var(--spacing-xs);
}

.article-card-title {
    font-size: 18px;
    font-weight: 500;
    line-height: 1.4;
    color: var(--ink);
    margin-bottom: var(--spacing-xs);
    text-decoration: none;
    display: block;
}

.article-card-title:hover { text-decoration: underline; }

.article-card-meta {
    font-size: 13px;
    color: var(--muted);
    line-height: 1.35;
}

.article-card-excerpt {
    font-size: 14px;
    color: var(--body);
    line-height: 1.6;
    margin-top: var(--spacing-xs);
}

/* DEMO GRID CARDS */
.demo-grid-card {
    border-radius: var(--rounded-md);
    padding: var(--spacing-md);
    overflow: hidden;
}

.demo-grid-card img {
    width: 100%;
    border-radius: var(--rounded-sm);
    aspect-ratio: 4/3;
    object-fit: cover;
    margin-bottom: var(--spacing-md);
}

.demo-grid-card-title {
    font-size: 16px;
    font-weight: 500;
    color: var(--ink);
    margin-bottom: var(--spacing-xs);
}

.demo-grid-card-text {
    font-size: 14px;
    color: var(--body);
    line-height: 1.6;
}

/* CTA BAND */
.cta-band-light {
    background: var(--surface-strong);
    border-radius: var(--rounded-lg);
    padding: var(--spacing-xxl);
    text-align: center;
    margin: 0 var(--spacing-xxl);
}

.cta-band-light h2 {
    font-size: 32px;
    font-weight: 400;
    color: var(--ink);
    margin-bottom: var(--spacing-lg);
    line-height: 1.2;
}

/* CONTACT FORM */
.contact-section {
    padding: var(--spacing-section) 0;
    background: var(--surface-soft);
}

.contact-form {
    max-width: 560px;
    margin: 0 auto;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--ink);
    margin-bottom: var(--spacing-xs);
}

.form-group input,
.form-group textarea {
    width: 100%;
    background: var(--canvas);
    color: var(--ink);
    font-size: 14px;
    font-family: inherit;
    border-radius: var(--rounded-sm);
    padding: 12px var(--spacing-md);
    height: 44px;
    border: 1px solid var(--hairline);
    outline: none;
    transition: border-color 0.15s;
}

.form-group textarea {
    height: 120px;
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus { border-color: #458fff; }

/* ARTICLE PAGE */
.article-hero {
    padding: var(--spacing-section) 0 var(--spacing-xl);
    background: var(--canvas);
}

.article-header {
    max-width: 780px;
}

.article-header .breadcrumb {
    font-size: 14px;
    color: var(--muted);
    margin-bottom: var(--spacing-lg);
}

.article-header .breadcrumb a {
    color: var(--muted);
}

.article-header h1 {
    font-size: 40px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--ink);
    margin-bottom: var(--spacing-lg);
}

.article-header .article-meta {
    font-size: 14px;
    color: var(--muted);
    margin-bottom: var(--spacing-xl);
}

.article-featured-image {
    border-radius: var(--rounded-md);
    overflow: hidden;
    aspect-ratio: 16/9;
    margin-bottom: var(--spacing-section);
}

.article-featured-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.article-body {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: var(--spacing-section);
    padding-bottom: var(--spacing-section);
}

.article-content h2 {
    font-size: 32px;
    font-weight: 400;
    color: var(--ink);
    margin: var(--spacing-xl) 0 var(--spacing-md);
    line-height: 1.2;
}

.article-content h3 {
    font-size: 20px;
    font-weight: 500;
    color: var(--ink);
    margin: var(--spacing-lg) 0 var(--spacing-sm);
    line-height: 1.4;
}

.article-content p {
    font-size: 14px;
    color: var(--body);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.article-content ul,
.article-content ol {
    margin: 0 0 var(--spacing-md) var(--spacing-xl);
}

.article-content li {
    font-size: 14px;
    color: var(--body);
    line-height: 1.7;
    margin-bottom: var(--spacing-xs);
}

.article-content figure {
    margin: var(--spacing-xl) 0;
    border-radius: var(--rounded-md);
    overflow: hidden;
}

.article-content figure img {
    width: 100%;
    border-radius: var(--rounded-md);
}

.article-content figcaption {
    font-size: 13px;
    color: var(--muted);
    margin-top: var(--spacing-xs);
    text-align: center;
}

.article-content .highlight-box {
    background: var(--signature-cream);
    border-radius: var(--rounded-md);
    padding: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.article-content .highlight-box h3 {
    margin-top: 0;
}

.article-sidebar {
    position: sticky;
    top: 80px;
    height: fit-content;
}

.sidebar-card {
    background: var(--surface-soft);
    border-radius: var(--rounded-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--hairline);
}

.sidebar-card h4 {
    font-size: 16px;
    font-weight: 500;
    color: var(--ink);
    margin-bottom: var(--spacing-sm);
}

.sidebar-card ul {
    list-style: none;
    margin: 0;
}

.sidebar-card ul li {
    font-size: 14px;
    border-bottom: 1px solid var(--hairline);
    padding: var(--spacing-xs) 0;
}

.sidebar-card ul li:last-child { border-bottom: none; }

.sidebar-card ul li a {
    color: var(--body);
    text-decoration: none;
}

.sidebar-card ul li a:hover { color: var(--ink); text-decoration: underline; }

/* FOOTER */
.site-footer {
    background: var(--canvas);
    border-top: 1px solid var(--hairline);
    padding: var(--spacing-section) 0 var(--spacing-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-xxl);
    margin-bottom: var(--spacing-section);
}

.footer-brand p {
    font-size: 14px;
    color: var(--muted);
    line-height: 1.6;
    margin-top: var(--spacing-sm);
    max-width: 280px;
}

.footer-contact {
    margin-top: var(--spacing-md);
    font-size: 14px;
    color: var(--muted);
    line-height: 1.8;
}

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

.footer-col h5 {
    font-size: 14px;
    font-weight: 500;
    color: var(--ink);
    margin-bottom: var(--spacing-md);
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-col ul li a {
    font-size: 14px;
    color: var(--muted);
    text-decoration: none;
}

.footer-col ul li a:hover { color: var(--ink); text-decoration: underline; }

.footer-bottom {
    border-top: 1px solid var(--hairline);
    padding-top: var(--spacing-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
    color: var(--muted);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-bottom-links {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-bottom-links a {
    font-size: 14px;
    color: var(--muted);
    text-decoration: none;
}

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

/* COOKIE BANNER */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--surface-dark);
    color: var(--on-primary);
    padding: var(--spacing-lg) var(--spacing-xxl);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.cookie-banner p {
    font-size: 14px;
    line-height: 1.5;
    flex: 1;
    min-width: 240px;
}

.cookie-banner p a {
    color: var(--on-primary);
    text-decoration: underline;
}

.cookie-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}

.btn-cookie-accept {
    background: var(--link);
    color: var(--on-primary);
    font-size: 13.12px;
    font-weight: 600;
    padding: 12px 10px;
    border-radius: var(--rounded-xs);
    border: none;
    cursor: pointer;
    white-space: nowrap;
}

.btn-cookie-reject {
    background: transparent;
    color: var(--on-primary);
    font-size: 13.12px;
    font-weight: 600;
    padding: 12px 10px;
    border-radius: var(--rounded-xs);
    border: 1px solid rgba(255,255,255,0.4);
    cursor: pointer;
    white-space: nowrap;
}

/* PAGE CONTENT */
.page-hero {
    padding: var(--spacing-section) 0 var(--spacing-xl);
    background: var(--canvas);
    border-bottom: 1px solid var(--hairline);
}

.page-hero h1 {
    font-size: 40px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--ink);
    margin-bottom: var(--spacing-md);
}

.page-hero p {
    font-size: 14px;
    color: var(--body);
    line-height: 1.6;
    max-width: 640px;
}

.page-content {
    padding: var(--spacing-section) 0;
}

.page-content h2 {
    font-size: 32px;
    font-weight: 400;
    color: var(--ink);
    margin: var(--spacing-xl) 0 var(--spacing-md);
    line-height: 1.2;
}

.page-content h3 {
    font-size: 20px;
    font-weight: 500;
    color: var(--ink);
    margin: var(--spacing-lg) 0 var(--spacing-sm);
    line-height: 1.4;
}

.page-content p,
.page-content li {
    font-size: 14px;
    color: var(--body);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.page-content ul,
.page-content ol {
    margin: 0 0 var(--spacing-md) var(--spacing-xl);
}

.page-content .last-updated {
    font-size: 13px;
    color: var(--muted);
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--hairline);
}

/* DISCLAIMER */
.disclaimer-band {
    background: var(--surface-soft);
    border-top: 1px solid var(--hairline);
    padding: var(--spacing-md) 0;
}

.disclaimer-band p {
    font-size: 13px;
    color: var(--muted);
    line-height: 1.5;
    text-align: center;
}

/* ABOUT */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: center;
    padding: var(--spacing-section) 0;
}

.about-grid img {
    border-radius: var(--rounded-md);
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
}

/* RESPONSIVE */
@media (max-width: 1024px) {
    .hero-band .container { grid-template-columns: 1fr; gap: var(--spacing-xl); }
    .cards-grid { grid-template-columns: repeat(2, 1fr); }
    .article-body { grid-template-columns: 1fr; }
    .article-sidebar { position: static; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--spacing-xl); }
    .about-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    :root { --spacing-section: 64px; }
    .container { padding: 0 var(--spacing-md); }
    .nav-menu, .nav-actions { display: none; }
    .nav-hamburger { display: flex; }
    .nav-menu.open {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--canvas);
        padding: var(--spacing-xl);
        gap: var(--spacing-lg);
        z-index: 99;
        border-top: 1px solid var(--hairline);
    }
    .nav-menu.open a { font-size: 20px; }
    .hero-content h1 { font-size: 28px; }
    .section-title { font-size: 20px; }
    .cards-grid, .cards-grid-2 { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; align-items: flex-start; }
    .cta-band-light { margin: 0; }
    .cta-band-light h2 { font-size: 24px; }
    .cookie-banner { flex-direction: column; align-items: flex-start; padding: var(--spacing-md); }
    .article-header h1 { font-size: 28px; }
    .page-hero h1 { font-size: 28px; }
}