@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 { scroll-behavior: smooth; }

body {
    font-family: 'Inter', system-ui, 'Helvetica Neue', Helvetica, Arial, sans-serif;
    background-color: var(--canvas);
    color: var(--body);
    font-size: 16px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

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;
}

.top-nav {
    background-color: var(--canvas);
    border-bottom: 1px solid var(--hairline);
    height: 64px;
    position: sticky;
    top: 0;
    z-index: 100;
}
.top-nav .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}
.nav-wordmark {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    letter-spacing: -0.3px;
}
.nav-wordmark span { color: var(--primary); }
.nav-links {
    display: flex;
    gap: 32px;
    list-style: none;
}
.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-cta { display: flex; align-items: center; gap: 12px; }

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

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

.nav-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 8px;
}
.nav-hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--ink);
    border-radius: 2px;
    transition: all 0.2s;
}

.hero-band {
    padding: 80px 0;
    background-color: var(--canvas);
}
.hero-band .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}
.hero-content {}
.hero-label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 20px;
}
.hero-h1 {
    font-size: 48px;
    font-weight: 400;
    line-height: 1.15;
    letter-spacing: -1.2px;
    color: var(--ink);
    margin-bottom: 20px;
}
.hero-sub {
    font-size: 16px;
    color: var(--body);
    line-height: 1.6;
    margin-bottom: 32px;
    max-width: 460px;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-image-wrap {
    border-radius: var(--rounded-lg);
    overflow: hidden;
    border: 1px solid var(--hairline);
}
.hero-image-wrap img {
    width: 100%;
    height: 360px;
    object-fit: cover;
}

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

.band {
    padding: 80px 0;
}
.band-alt { background-color: var(--surface-card); }
.band-title {
    font-size: 36px;
    font-weight: 400;
    line-height: 1.2;
    letter-spacing: -0.72px;
    color: var(--ink);
    margin-bottom: 16px;
}
.band-sub {
    font-size: 16px;
    color: var(--body);
    line-height: 1.6;
    max-width: 640px;
    margin-bottom: 48px;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}
.cards-grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}
.feature-card {
    background-color: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--rounded-lg);
    padding: 24px;
}
.feature-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 12px;
    line-height: 1.4;
}
.feature-card p {
    font-size: 14px;
    color: var(--body);
    line-height: 1.6;
}
.feature-card .card-icon {
    width: 40px;
    height: 40px;
    background-color: var(--canvas);
    border-radius: var(--rounded-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    font-size: 20px;
}

.article-card {
    background-color: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--rounded-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}
.article-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}
.article-card-body {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.article-card-meta {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 8px;
}
.article-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 12px;
    line-height: 1.4;
}
.article-card p {
    font-size: 14px;
    color: var(--body);
    line-height: 1.6;
    flex: 1;
}
.article-card-link {
    display: inline-block;
    margin-top: 16px;
    font-size: 14px;
    font-weight: 500;
    color: var(--primary);
}
.article-card-link:hover { color: var(--primary-active); }

.article-hero {
    padding: 64px 0 0;
    background-color: var(--canvas);
}
.article-hero img {
    width: 100%;
    max-height: 420px;
    object-fit: cover;
    border-radius: var(--rounded-lg);
    border: 1px solid var(--hairline);
    margin-top: 32px;
}
.article-meta {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 16px;
}
.article-h1 {
    font-size: 42px;
    font-weight: 400;
    letter-spacing: -0.9px;
    line-height: 1.2;
    color: var(--ink);
    margin-bottom: 16px;
}
.article-intro {
    font-size: 18px;
    color: var(--body);
    line-height: 1.6;
    max-width: 720px;
    margin-bottom: 16px;
}
.article-body {
    padding: 64px 0;
}
.article-body .inner {
    max-width: 720px;
}
.article-body h2 {
    font-size: 26px;
    font-weight: 400;
    letter-spacing: -0.325px;
    color: var(--ink);
    margin: 48px 0 16px;
    line-height: 1.25;
}
.article-body h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--ink);
    margin: 32px 0 12px;
    line-height: 1.4;
}
.article-body p {
    font-size: 16px;
    color: var(--body);
    line-height: 1.7;
    margin-bottom: 20px;
}
.article-body ul, .article-body ol {
    margin: 0 0 20px 24px;
}
.article-body li {
    font-size: 16px;
    color: var(--body);
    line-height: 1.7;
    margin-bottom: 8px;
}
.article-body strong { color: var(--ink); font-weight: 600; }
.info-box {
    background-color: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--rounded-lg);
    padding: 24px;
    margin: 32px 0;
}
.info-box p { margin-bottom: 0; }

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

.divider {
    border: none;
    border-top: 1px solid var(--hairline);
    margin: 0;
}

.contact-band {
    padding: 80px 0;
    background-color: var(--canvas);
}
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}
.contact-info h2 {
    font-size: 36px;
    font-weight: 400;
    letter-spacing: -0.72px;
    color: var(--ink);
    margin-bottom: 16px;
}
.contact-info p {
    font-size: 16px;
    color: var(--body);
    line-height: 1.6;
    margin-bottom: 24px;
}
.contact-detail {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
}
.contact-detail-icon {
    width: 32px;
    height: 32px;
    background: var(--surface-strong);
    border-radius: var(--rounded-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
}
.contact-detail-text { font-size: 14px; color: var(--body); }
.contact-detail-text strong { display: block; color: var(--ink); font-weight: 600; font-size: 13px; }

.contact-form-wrap {
    background-color: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--rounded-lg);
    padding: 32px;
}
.form-group { margin-bottom: 20px; }
.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 8px;
}
.form-group input,
.form-group textarea {
    width: 100%;
    background-color: var(--surface-card);
    color: var(--ink);
    font-family: inherit;
    font-size: 16px;
    border: 1px solid var(--hairline-strong);
    border-radius: var(--rounded-md);
    padding: 12px 16px;
    height: 44px;
    outline: none;
    transition: border-color 0.15s;
}
.form-group input:focus,
.form-group textarea:focus { border-color: var(--ink); }
.form-group textarea { height: auto; resize: vertical; min-height: 120px; }
.form-submit-btn {
    width: 100%;
    background-color: var(--primary);
    color: var(--on-primary);
    font-family: inherit;
    font-size: 14px;
    font-weight: 500;
    padding: 12px 20px;
    height: 44px;
    border-radius: var(--rounded-md);
    border: none;
    cursor: pointer;
    transition: background-color 0.15s;
}
.form-submit-btn:hover { background-color: var(--primary-active); }
.form-message {
    display: none;
    margin-top: 16px;
    padding: 12px 16px;
    border-radius: var(--rounded-md);
    font-size: 14px;
    font-weight: 500;
}
.form-message.success {
    background-color: #d1fae5;
    color: var(--semantic-success);
    border: 1px solid #6ee7b7;
}

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--ink);
    color: var(--canvas);
    padding: 20px 24px;
    z-index: 200;
    display: none;
}
.cookie-banner.show { display: block; }
.cookie-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
}
.cookie-text {
    font-size: 14px;
    color: var(--canvas);
    line-height: 1.5;
    flex: 1;
}
.cookie-text a { color: var(--primary); text-decoration: underline; }
.cookie-actions { display: flex; gap: 12px; flex-shrink: 0; }
.btn-cookie-accept {
    background-color: var(--primary);
    color: var(--on-primary);
    font-size: 13px;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: var(--rounded-md);
    border: none;
    cursor: pointer;
    transition: background-color 0.15s;
}
.btn-cookie-accept:hover { background-color: var(--primary-active); }
.btn-cookie-reject {
    background-color: transparent;
    color: var(--canvas);
    font-size: 13px;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: var(--rounded-md);
    border: 1px solid rgba(247,247,244,0.3);
    cursor: pointer;
    transition: border-color 0.15s;
}
.btn-cookie-reject:hover { border-color: var(--canvas); }

.site-footer {
    background-color: var(--canvas);
    border-top: 1px solid var(--hairline);
    padding: 64px 0 48px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 48px;
}
.footer-brand p {
    font-size: 14px;
    color: var(--body);
    line-height: 1.6;
    margin-top: 12px;
    max-width: 280px;
}
.footer-col h4 {
    font-size: 13px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 16px;
    letter-spacing: 0.2px;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
    font-size: 14px;
    color: var(--body);
    transition: color 0.15s;
}
.footer-col ul li a:hover { color: var(--ink); }
.footer-bottom {
    border-top: 1px solid var(--hairline);
    padding-top: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}
.footer-copyright {
    font-size: 13px;
    color: var(--muted);
}
.footer-legal {
    display: flex;
    gap: 24px;
}
.footer-legal a {
    font-size: 13px;
    color: var(--muted);
    transition: color 0.15s;
}
.footer-legal a:hover { color: var(--ink); }

.page-header {
    padding: 64px 0;
    background-color: var(--canvas);
    border-bottom: 1px solid var(--hairline);
}
.page-header h1 {
    font-size: 42px;
    font-weight: 400;
    letter-spacing: -0.9px;
    color: var(--ink);
    margin-bottom: 12px;
    line-height: 1.2;
}
.page-header p {
    font-size: 18px;
    color: var(--body);
    max-width: 600px;
    line-height: 1.6;
}
.page-body {
    padding: 64px 0;
}
.page-body .inner { max-width: 720px; }
.page-body h2 {
    font-size: 26px;
    font-weight: 400;
    letter-spacing: -0.325px;
    color: var(--ink);
    margin: 40px 0 14px;
    line-height: 1.25;
}
.page-body h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--ink);
    margin: 28px 0 12px;
}
.page-body p {
    font-size: 16px;
    color: var(--body);
    line-height: 1.7;
    margin-bottom: 18px;
}
.page-body ul, .page-body ol {
    margin: 0 0 18px 24px;
}
.page-body li {
    font-size: 16px;
    color: var(--body);
    line-height: 1.7;
    margin-bottom: 8px;
}
.page-body strong { color: var(--ink); font-weight: 600; }
.update-note {
    font-size: 13px;
    color: var(--muted);
    margin-top: 48px;
    padding-top: 24px;
    border-top: 1px solid var(--hairline);
}

.breadcrumb {
    padding: 16px 0;
    border-bottom: 1px solid var(--hairline-soft);
}
.breadcrumb ol { list-style: none; display: flex; gap: 8px; align-items: center; }
.breadcrumb li { font-size: 13px; color: var(--muted); }
.breadcrumb li a { color: var(--body); }
.breadcrumb li a:hover { color: var(--ink); }
.breadcrumb li::after { content: '/'; margin-left: 8px; color: var(--hairline-strong); }
.breadcrumb li:last-child::after { display: none; }

@media (max-width: 1024px) {
    .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
    .footer-brand { grid-column: span 3; }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .nav-cta .btn-secondary { display: none; }
    .nav-hamburger { display: flex; }
    .nav-links.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--canvas);
        border-bottom: 1px solid var(--hairline);
        padding: 16px 24px;
        gap: 16px;
    }
    .hero-band .container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .hero-h1 { font-size: 36px; letter-spacing: -0.8px; }
    .band-title { font-size: 28px; }
    .cards-grid { grid-template-columns: 1fr; }
    .cards-grid-2 { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; gap: 40px; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .footer-brand { grid-column: span 2; }
    .article-h1 { font-size: 30px; }
    .page-header h1 { font-size: 30px; }
}

@media (max-width: 640px) {
    .footer-grid { grid-template-columns: 1fr; }
    .footer-brand { grid-column: span 1; }
    .hero-image-wrap img { height: 240px; }
    .hero-h1 { font-size: 28px; }
    .band-title { font-size: 24px; }
}