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

*, *::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;
    --on-primary: #ffffff;
    --ink: #26251e;
    --body: #5a5852;
    --body-strong: #26251e;
    --muted: #807d72;
    --muted-soft: #a09c92;
    --hairline: #e6e5e0;
    --hairline-soft: #efeee8;
    --hairline-strong: #cfcdc4;
    --semantic-success: #1f8a65;
    --semantic-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 {
    background: var(--canvas);
    color: var(--body);
    font-family: 'Inter', system-ui, 'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-weight: 400;
    line-height: 1.5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    letter-spacing: -0.3px;
    text-decoration: none;
}

.nav-logo:hover { color: var(--primary); }

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
    align-items: center;
}

.nav-links a {
    font-size: 14px;
    font-weight: 500;
    color: var(--body);
    text-decoration: none;
    transition: color 0.15s;
}

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

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

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

/* HERO */
.hero {
    padding: 80px 0;
    border-bottom: 1px solid var(--hairline);
}

.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;
    color: var(--muted);
    background: var(--surface-strong);
    padding: 4px 10px;
    border-radius: var(--rounded-pill);
    margin-bottom: 24px;
}

.hero h1 {
    font-size: 48px;
    font-weight: 400;
    line-height: 1.1;
    letter-spacing: -1.2px;
    color: var(--ink);
    margin-bottom: 20px;
}

.hero p {
    font-size: 16px;
    color: var(--body);
    line-height: 1.6;
    max-width: 480px;
}

.hero-image {
    border-radius: var(--rounded-lg);
    overflow: hidden;
    border: 1px solid var(--hairline);
    aspect-ratio: 4/3;
}

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

/* SECTIONS */
.section { padding: 80px 0; }
.section + .section { border-top: 1px solid var(--hairline-soft); }

.section-label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 16px;
}

.section-title {
    font-size: 36px;
    font-weight: 400;
    line-height: 1.2;
    letter-spacing: -0.72px;
    color: var(--ink);
    margin-bottom: 16px;
}

.section-desc {
    font-size: 16px;
    color: var(--body);
    max-width: 600px;
    line-height: 1.6;
    margin-bottom: 48px;
}

/* CARDS GRID */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.card {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--rounded-lg);
    padding: 24px;
    display: flex;
    flex-direction: column;
}

.card-img {
    border-radius: var(--rounded-md);
    overflow: hidden;
    margin-bottom: 20px;
    aspect-ratio: 16/9;
}

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

.card-tag {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 10px;
}

.card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    line-height: 1.35;
    margin-bottom: 12px;
}

.card p {
    font-size: 14px;
    color: var(--body);
    line-height: 1.55;
    flex: 1;
}

.card-link {
    display: inline-block;
    margin-top: 16px;
    font-size: 14px;
    font-weight: 500;
    color: var(--ink);
    border-bottom: 1px solid var(--hairline-strong);
    padding-bottom: 2px;
    transition: color 0.15s, border-color 0.15s;
}

.card-link:hover { color: var(--primary); border-color: var(--primary); }

/* ARTICLE PAGE */
.article-layout {
    max-width: 1200px;
    margin: 0 auto;
    padding: 64px 24px;
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 64px;
    align-items: start;
}

.article-main {}

.article-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
    font-size: 13px;
    color: var(--muted);
}

.article-meta .tag {
    background: var(--surface-strong);
    padding: 3px 10px;
    border-radius: var(--rounded-pill);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
}

.article-title {
    font-size: 36px;
    font-weight: 400;
    line-height: 1.2;
    letter-spacing: -0.72px;
    color: var(--ink);
    margin-bottom: 24px;
}

.article-lead {
    font-size: 18px;
    color: var(--body);
    line-height: 1.6;
    margin-bottom: 40px;
    border-bottom: 1px solid var(--hairline);
    padding-bottom: 40px;
}

.article-cover {
    border-radius: var(--rounded-lg);
    overflow: hidden;
    border: 1px solid var(--hairline);
    margin-bottom: 40px;
    aspect-ratio: 16/7;
}

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

.article-body h2 {
    font-size: 26px;
    font-weight: 400;
    letter-spacing: -0.325px;
    color: var(--ink);
    margin: 40px 0 16px;
    line-height: 1.25;
}

.article-body h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--ink);
    margin: 28px 0 12px;
    line-height: 1.3;
}

.article-body p {
    font-size: 16px;
    color: var(--body);
    line-height: 1.65;
    margin-bottom: 18px;
}

.article-body ul, .article-body ol {
    margin: 0 0 18px 24px;
    font-size: 16px;
    color: var(--body);
    line-height: 1.65;
}

.article-body li { margin-bottom: 6px; }

.article-body a { color: var(--ink); border-bottom: 1px solid var(--hairline-strong); }
.article-body a:hover { color: var(--primary); border-color: var(--primary); }

.article-body blockquote {
    border-left: 3px solid var(--hairline-strong);
    padding-left: 20px;
    margin: 28px 0;
    color: var(--muted);
    font-size: 16px;
    font-style: italic;
    line-height: 1.6;
}

.info-box {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--rounded-lg);
    padding: 24px;
    margin: 32px 0;
}

.info-box-title {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 12px;
}

.info-box p { margin-bottom: 0; font-size: 14px; color: var(--body); }
.info-box ul { font-size: 14px; margin-bottom: 0; }

/* SIDEBAR */
.article-sidebar {}

.sidebar-widget {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--rounded-lg);
    padding: 24px;
    margin-bottom: 24px;
}

.sidebar-widget-title {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 16px;
}

.sidebar-widget ul { list-style: none; }
.sidebar-widget ul li { margin-bottom: 12px; }
.sidebar-widget ul li a { font-size: 14px; color: var(--body); line-height: 1.4; }
.sidebar-widget ul li a:hover { color: var(--ink); }

/* FORM */
.contact-section {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--rounded-lg);
    padding: 40px;
}

.form-title {
    font-size: 26px;
    font-weight: 400;
    letter-spacing: -0.325px;
    color: var(--ink);
    margin-bottom: 8px;
}

.form-desc {
    font-size: 14px;
    color: var(--muted);
    margin-bottom: 32px;
}

.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(--canvas-soft);
    border: 1px solid var(--hairline-strong);
    border-radius: var(--rounded-md);
    padding: 12px 16px;
    height: 44px;
    font-size: 16px;
    font-family: inherit;
    color: var(--ink);
    transition: border-color 0.15s;
    outline: none;
}

.form-group textarea { height: auto; min-height: 100px; resize: vertical; }

.form-group input:focus,
.form-group textarea:focus { border-color: var(--ink); }

.form-group input.invalid,
.form-group textarea.invalid { border-color: var(--semantic-error); }

.form-error {
    font-size: 12px;
    color: var(--semantic-error);
    margin-top: 4px;
    display: none;
}

.btn-primary {
    background: var(--primary);
    color: var(--on-primary);
    border: none;
    border-radius: var(--rounded-md);
    padding: 10px 18px;
    height: 40px;
    font-size: 14px;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: background 0.15s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary:hover { background: var(--primary-active); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; }

.btn-secondary {
    background: var(--surface-card);
    color: var(--ink);
    border: 1px solid var(--hairline-strong);
    border-radius: var(--rounded-md);
    padding: 10px 18px;
    height: 40px;
    font-size: 14px;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: background 0.15s;
}

.btn-secondary:hover { background: var(--surface-strong); }

.form-success {
    background: #e8f5f0;
    border: 1px solid #b6ddd0;
    border-radius: var(--rounded-md);
    padding: 16px 20px;
    font-size: 14px;
    color: var(--semantic-success);
    display: none;
    margin-top: 16px;
}

.form-loading {
    font-size: 14px;
    color: var(--muted);
    display: none;
    align-items: center;
    gap: 8px;
    margin-top: 12px;
}

.spinner {
    width: 16px;
    height: 16px;
    border: 2px solid var(--hairline-strong);
    border-top-color: var(--ink);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* FOOTER */
.site-footer {
    background: var(--canvas);
    border-top: 1px solid var(--hairline);
    margin-top: auto;
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 64px 24px 48px;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
}

.footer-brand {
    font-size: 16px;
    font-weight: 600;
    color: var(--ink);
    display: block;
    margin-bottom: 12px;
}

.footer-tagline {
    font-size: 14px;
    color: var(--body);
    line-height: 1.55;
    max-width: 240px;
}

.footer-heading {
    font-size: 13px;
    font-weight: 600;
    color: var(--ink);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: block;
    margin-bottom: 16px;
}

.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a, .footer-col ul li span {
    font-size: 14px;
    color: var(--body);
    transition: color 0.15s;
}
.footer-col ul li a:hover { color: var(--ink); }

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 24px;
    border-top: 1px solid var(--hairline-soft);
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    color: var(--muted);
}

/* COOKIE */
.cookie-banner {
    position: fixed;
    bottom: 24px;
    left: 24px;
    right: 24px;
    max-width: 640px;
    background: var(--ink);
    color: var(--canvas);
    border-radius: var(--rounded-lg);
    padding: 20px 24px;
    display: none;
    align-items: center;
    gap: 20px;
    z-index: 999;
    box-shadow: 0 4px 24px rgba(38,37,30,0.18);
}

.cookie-banner.visible { display: flex; }

.cookie-banner p {
    font-size: 14px;
    color: var(--canvas);
    line-height: 1.5;
    flex: 1;
}

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

.cookie-actions {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

.cookie-banner .btn-primary {
    background: var(--primary);
    height: 36px;
    padding: 8px 14px;
}

.cookie-banner .btn-secondary {
    background: transparent;
    border-color: rgba(247,247,244,0.3);
    color: var(--canvas);
    height: 36px;
    padding: 8px 14px;
}

.cookie-banner .btn-secondary:hover { background: rgba(247,247,244,0.08); }

/* PAGE HERO */
.page-hero {
    padding: 64px 0 48px;
    border-bottom: 1px solid var(--hairline);
}

.page-hero-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.page-hero h1 {
    font-size: 36px;
    font-weight: 400;
    letter-spacing: -0.72px;
    color: var(--ink);
    margin-bottom: 16px;
    line-height: 1.2;
}

.page-hero p {
    font-size: 16px;
    color: var(--body);
    max-width: 640px;
    line-height: 1.6;
}

/* SIMPLE PAGE CONTENT */
.page-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 64px 24px;
}

.page-content h2 {
    font-size: 26px;
    font-weight: 400;
    letter-spacing: -0.325px;
    color: var(--ink);
    margin: 40px 0 14px;
}

.page-content h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    margin: 28px 0 10px;
}

.page-content p {
    font-size: 16px;
    color: var(--body);
    line-height: 1.65;
    margin-bottom: 16px;
}

.page-content ul, .page-content ol {
    margin: 0 0 16px 24px;
    font-size: 16px;
    color: var(--body);
    line-height: 1.65;
}

.page-content li { margin-bottom: 6px; }
.page-content a { color: var(--ink); border-bottom: 1px solid var(--hairline-strong); }
.page-content a:hover { color: var(--primary); border-color: var(--primary); }

.page-updated {
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 48px;
}

/* DISCLAIMER */
.disclaimer {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--rounded-md);
    padding: 16px 20px;
    font-size: 13px;
    color: var(--muted);
    line-height: 1.55;
    margin-bottom: 32px;
}

/* RESPONSIVE */
@media (max-width: 1024px) {
    .cards-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-inner { grid-template-columns: 1fr 1fr; gap: 32px; }
    .article-layout { grid-template-columns: 1fr; }
    .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
    .hero-inner { grid-template-columns: 1fr; gap: 40px; }
    .hero h1 { font-size: 36px; }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--canvas);
        border-bottom: 1px solid var(--hairline);
        padding: 16px 24px;
        gap: 0;
    }
    .nav-links.open { display: flex; }
    .nav-links li { padding: 12px 0; border-bottom: 1px solid var(--hairline-soft); }
    .nav-links li:last-child { border-bottom: none; }
    .nav-toggle { display: flex; }
    .site-nav { position: relative; }
    .section-title { font-size: 28px; }
    .hero { padding: 48px 0; }
    .hero h1 { font-size: 32px; letter-spacing: -0.8px; }
    .section { padding: 48px 0; }
    .article-layout { padding: 40px 24px; }
    .article-title { font-size: 28px; }
    .article-sidebar { grid-template-columns: 1fr; }
    .cards-grid { grid-template-columns: 1fr; }
    .footer-inner { grid-template-columns: 1fr; gap: 32px; padding: 40px 24px 32px; }
    .footer-bottom { flex-direction: column; gap: 8px; }
    .cookie-banner { flex-direction: column; align-items: flex-start; bottom: 0; left: 0; right: 0; border-radius: 0; }
    .contact-section { padding: 24px; }
}

@media (max-width: 640px) {
    .hero h1 { font-size: 28px; }
    .section-title { font-size: 24px; }
    .article-title { font-size: 24px; }
}