*, *::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;
    --link-active: #1a3866;
    --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;
    --rounded-pill: 9999px;
    --spacing-xxs: 4px;
    --spacing-xs: 8px;
    --spacing-sm: 12px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-xxl: 48px;
    --spacing-section: 96px;
    --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
    --max-width: 1280px;
}

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

body {
    font-family: var(--font-main);
    font-size: 14px;
    font-weight: 400;
    line-height: 1.25;
    color: var(--body);
    background: var(--canvas);
}

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

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

.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 {
    display: flex;
    align-items: center;
    height: 100%;
    gap: var(--spacing-xl);
}

.nav-brand {
    font-size: 18px;
    font-weight: 500;
    color: var(--ink);
    text-decoration: none;
    flex-shrink: 0;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    flex: 1;
}

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

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-shrink: 0;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    color: var(--ink);
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--ink);
    margin: 4px 0;
    transition: all 0.2s;
}

/* Buttons */
.btn-primary {
    background: var(--primary);
    color: var(--on-primary);
    font-size: 16px;
    font-weight: 500;
    line-height: 1.4;
    padding: 16px 24px;
    border-radius: var(--rounded-lg);
    border: none;
    cursor: pointer;
    display: inline-block;
    text-decoration: none;
    transition: background 0.15s;
}

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

.btn-secondary {
    background: var(--canvas);
    color: var(--ink);
    font-size: 16px;
    font-weight: 500;
    line-height: 1.4;
    padding: 16px 24px;
    border-radius: var(--rounded-lg);
    border: 1px solid var(--hairline);
    cursor: pointer;
    display: inline-block;
    text-decoration: none;
    transition: border-color 0.15s;
}

.btn-secondary:hover { border-color: var(--ink); color: var(--ink); }

.btn-secondary-on-dark {
    background: var(--canvas);
    color: var(--ink);
    font-size: 16px;
    font-weight: 500;
    padding: 16px 24px;
    border-radius: var(--rounded-lg);
    border: none;
    cursor: pointer;
    display: inline-block;
    text-decoration: none;
}

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

.hero-band h1 {
    font-size: 40px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--ink);
    max-width: 640px;
    margin-bottom: var(--spacing-lg);
}

.hero-band p {
    font-size: 14px;
    font-weight: 400;
    color: var(--body);
    max-width: 480px;
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

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

/* Section */
.section {
    padding: var(--spacing-section) 0;
}

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

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

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

.signature-coral h2 {
    font-size: 32px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--on-primary);
    margin-bottom: var(--spacing-md);
}

.signature-coral p {
    font-size: 14px;
    color: rgba(255,255,255,0.85);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
    max-width: 560px;
}

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

.signature-forest h2 {
    font-size: 32px;
    font-weight: 400;
    color: var(--on-primary);
    margin-bottom: var(--spacing-md);
}

.signature-forest p {
    font-size: 14px;
    color: rgba(255,255,255,0.8);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

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

.hero-card-dark h2 {
    font-size: 32px;
    font-weight: 400;
    color: var(--on-primary);
    margin-bottom: var(--spacing-md);
}

.hero-card-dark p {
    font-size: 14px;
    color: rgba(255,255,255,0.75);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
    max-width: 560px;
}

/* Demo Grid */
.demo-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.demo-card {
    border-radius: var(--rounded-md);
    padding: var(--spacing-md);
    background: var(--canvas);
    border: 1px solid var(--hairline);
}

.demo-card.peach { background: var(--signature-peach); border-color: transparent; }
.demo-card.mint { background: var(--signature-mint); border-color: transparent; }
.demo-card.cream { background: var(--signature-cream); border-color: transparent; }

.demo-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: var(--rounded-sm);
    margin-bottom: var(--spacing-md);
}

.demo-card h3 {
    font-size: 16px;
    font-weight: 500;
    line-height: 1.4;
    color: var(--ink);
    margin-bottom: var(--spacing-xs);
}

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

.demo-card a {
    display: inline-block;
    margin-top: var(--spacing-sm);
    font-size: 14px;
    font-weight: 500;
    color: var(--ink);
}

/* Cream Callout */
.cream-callout {
    background: var(--signature-cream);
    border-radius: var(--rounded-md);
    padding: var(--spacing-lg);
}

.cream-callout h3 {
    font-size: 20px;
    font-weight: 400;
    line-height: 1.5;
    color: var(--ink);
    margin-bottom: var(--spacing-sm);
}

.cream-callout p {
    font-size: 14px;
    color: var(--body);
    line-height: 1.6;
}

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

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

/* Articles Grid */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.article-card {
    background: var(--canvas);
    border-radius: var(--rounded-md);
    padding: var(--spacing-md);
    border: 1px solid var(--hairline);
}

.article-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: var(--rounded-sm);
    margin-bottom: var(--spacing-md);
    aspect-ratio: 16/9;
}

.article-card .category {
    font-size: 12px;
    font-weight: 500;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-xs);
}

.article-card h3 {
    font-size: 18px;
    font-weight: 500;
    line-height: 1.4;
    color: var(--ink);
    margin-bottom: var(--spacing-xs);
}

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

.article-card p {
    font-size: 14px;
    color: var(--body);
    line-height: 1.6;
}

.article-card a.read-more {
    display: inline-block;
    margin-top: var(--spacing-sm);
    font-size: 14px;
    font-weight: 500;
    color: var(--ink);
}

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

.article-hero .category {
    font-size: 12px;
    font-weight: 500;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-sm);
}

.article-hero h1 {
    font-size: 40px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--ink);
    max-width: 760px;
    margin-bottom: var(--spacing-md);
}

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

.article-hero img {
    width: 100%;
    max-height: 480px;
    object-fit: cover;
    border-radius: var(--rounded-md);
}

.article-body {
    padding: var(--spacing-xl) 0 var(--spacing-section);
    max-width: 760px;
}

.article-body h2 {
    font-size: 24px;
    font-weight: 400;
    color: var(--ink);
    margin: var(--spacing-xl) 0 var(--spacing-md);
    letter-spacing: 0.12px;
}

.article-body h3 {
    font-size: 20px;
    font-weight: 400;
    color: var(--ink);
    margin: var(--spacing-lg) 0 var(--spacing-sm);
}

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

.article-body ul, .article-body ol {
    padding-left: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

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

.article-body a {
    color: var(--link);
}

.article-body blockquote {
    border-left: 3px solid var(--signature-coral);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--surface-soft);
    border-radius: 0 var(--rounded-sm) var(--rounded-sm) 0;
    margin: var(--spacing-lg) 0;
}

.article-body blockquote p {
    font-size: 16px;
    font-style: italic;
    color: var(--ink);
}

/* Logo Strip */
.logo-strip {
    padding: var(--spacing-xl) 0;
    border-top: 1px solid var(--hairline);
    border-bottom: 1px solid var(--hairline);
}

.logo-strip p {
    font-size: 12px;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-md);
}

/* Contact Form */
.contact-form {
    max-width: 520px;
}

.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: var(--font-main);
    padding: 12px 16px;
    border-radius: var(--rounded-sm);
    border: 1px solid var(--hairline);
    height: 44px;
    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;
}

/* Footer */
.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 repeat(3, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand .nav-brand {
    font-size: 18px;
    margin-bottom: var(--spacing-md);
    display: block;
}

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

.footer-col h4 {
    font-size: 14px;
    font-weight: 500;
    color: var(--ink);
    margin-bottom: var(--spacing-md);
}

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

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

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

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

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

.footer-bottom p {
    font-size: 14px;
    color: var(--muted);
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: var(--on-primary);
    border-radius: var(--rounded-lg);
    padding: var(--spacing-md) var(--spacing-xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    z-index: 999;
    max-width: 640px;
    width: calc(100% - var(--spacing-xxl));
    box-shadow: 0 4px 24px rgba(0,0,0,0.18);
}

.cookie-banner p {
    font-size: 14px;
    color: rgba(255,255,255,0.85);
    line-height: 1.5;
    flex: 1;
}

.cookie-banner a { color: #ffffff; text-decoration: underline; }

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

.btn-cookie-accept {
    background: var(--canvas);
    color: var(--ink);
    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: rgba(255,255,255,0.7);
    font-size: 13.12px;
    font-weight: 600;
    padding: 12px 10px;
    border-radius: var(--rounded-xs);
    border: 1px solid rgba(255,255,255,0.3);
    cursor: pointer;
    white-space: nowrap;
}

/* Page Header */
.page-header {
    padding: var(--spacing-section) 0 var(--spacing-xl);
    background: var(--canvas);
}

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

.page-header p {
    font-size: 14px;
    color: var(--body);
    max-width: 560px;
    line-height: 1.6;
}

/* Page Content */
.page-content {
    padding: var(--spacing-xl) 0 var(--spacing-section);
}

.page-content h2 {
    font-size: 24px;
    font-weight: 400;
    color: var(--ink);
    margin: var(--spacing-xl) 0 var(--spacing-md);
    letter-spacing: 0.12px;
}

.page-content h3 {
    font-size: 20px;
    font-weight: 400;
    color: var(--ink);
    margin: var(--spacing-lg) 0 var(--spacing-sm);
}

.page-content p {
    font-size: 14px;
    color: var(--body);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
    max-width: 760px;
}

.page-content ul, .page-content ol {
    padding-left: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    max-width: 760px;
}

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

/* About Grid */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: start;
    margin: var(--spacing-xl) 0;
}

.about-grid img {
    border-radius: var(--rounded-md);
    width: 100%;
    height: 320px;
    object-fit: cover;
}

/* Responsive */
@media (max-width: 1024px) {
    .demo-grid { grid-template-columns: repeat(2, 1fr); }
    .articles-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .about-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .container { padding: 0 var(--spacing-md); }
    .nav-menu { display: none; }
    .nav-actions { display: none; }
    .nav-toggle { display: block; }
    .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) var(--spacing-md);
        z-index: 99;
        gap: var(--spacing-lg);
    }
    .nav-menu.open a { font-size: 18px; }
    .hero-band h1 { font-size: 28px; }
    .section-title { font-size: 24px; }
    .demo-grid { grid-template-columns: 1fr; }
    .articles-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; align-items: flex-start; }
    .signature-coral h2, .signature-forest h2, .hero-card-dark h2 { font-size: 24px; }
    .cta-band h2 { font-size: 24px; }
    .article-hero h1 { font-size: 28px; }
    .cookie-banner { flex-direction: column; align-items: flex-start; gap: var(--spacing-sm); }
}