@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;
    --ink: #26251e;
    --body: #5a5852;
    --body-strong: #26251e;
    --muted: #807d72;
    --muted-soft: #a09c92;
    --on-primary: #ffffff;
    --hairline: #e6e5e0;
    --hairline-soft: #efeee8;
    --hairline-strong: #cfcdc4;
    --semantic-success: #1f8a65;
    --semantic-error: #cf2d56;
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', system-ui, 'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-size: 16px;
    font-weight: 400;
    line-height: 1.5;
    color: var(--body);
    background-color: var(--canvas);
}

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

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

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

h1, h2, h3, h4, h5 {
    font-family: 'Inter', sans-serif;
    font-weight: 400;
    color: var(--ink);
    line-height: 1.2;
}

h1 { font-size: 36px; letter-spacing: -0.72px; }
h2 { font-size: 26px; letter-spacing: -0.325px; }
h3 { font-size: 22px; letter-spacing: -0.11px; }

p { color: var(--body); line-height: 1.5; }

code, pre {
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
}

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

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.nav-logo {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    letter-spacing: -0.11px;
}

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

.nav-links {
    display: flex;
    align-items: center;
    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-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;
}

.nav-mobile {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--canvas);
    border-bottom: 1px solid var(--hairline);
    padding: 16px 24px 24px;
    z-index: 99;
}

.nav-mobile.open { display: block; }

.nav-mobile ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.nav-mobile a {
    font-size: 16px;
    font-weight: 500;
    color: var(--body);
}

.site-footer {
    background: var(--canvas);
    border-top: 1px solid var(--hairline);
    padding: 48px 0 32px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: 32px;
    margin-bottom: 40px;
}

.footer-brand p {
    font-size: 14px;
    color: var(--muted);
    margin-top: 12px;
    line-height: 1.5;
    max-width: 280px;
}

.footer-col h4 {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--ink);
    margin-bottom: 16px;
}

.footer-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-col a {
    font-size: 14px;
    color: var(--body);
    transition: color 0.15s;
}

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

.footer-bottom {
    border-top: 1px solid var(--hairline-soft);
    padding-top: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-bottom p, .footer-bottom a {
    font-size: 13px;
    color: var(--muted);
}

.hero-band {
    padding: 80px 0;
    background: var(--canvas);
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.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);
    border-radius: 9999px;
    padding: 4px 10px;
    margin-bottom: 20px;
}

.hero-content h1 {
    font-size: 36px;
    letter-spacing: -0.72px;
    color: var(--ink);
    margin-bottom: 20px;
}

.hero-content p {
    font-size: 16px;
    color: var(--body);
    margin-bottom: 32px;
    max-width: 460px;
}

.hero-image {
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--hairline);
}

.hero-image img {
    width: 100%;
    height: 340px;
    object-fit: cover;
}

.section {
    padding: 80px 0;
}

.section-alt {
    background: var(--surface-card);
}

.section-label {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    background: var(--surface-strong);
    border-radius: 9999px;
    padding: 4px 10px;
    margin-bottom: 16px;
}

.section-title {
    font-size: 26px;
    letter-spacing: -0.325px;
    color: var(--ink);
    margin-bottom: 12px;
}

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

.card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.card-grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.card {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: 12px;
    padding: 24px;
}

.card-flat {
    background: var(--canvas);
    border: 1px solid var(--hairline);
    border-radius: 12px;
    padding: 24px;
}

.card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 10px;
    line-height: 1.4;
}

.card p { font-size: 14px; color: var(--body); line-height: 1.5; }

.card-img {
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 16px;
    border: 1px solid var(--hairline-soft);
}

.card-img img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.article-card {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: 12px;
    overflow: hidden;
    transition: border-color 0.15s;
}

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

.article-card-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.article-card-body { padding: 20px; }

.article-card-meta {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 8px;
}

.article-card-body h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 8px;
    line-height: 1.35;
}

.article-card-body p {
    font-size: 14px;
    color: var(--body);
    line-height: 1.5;
    margin-bottom: 16px;
}

.article-card-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--primary);
}

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

.page-header {
    padding: 64px 0 48px;
    background: var(--canvas);
    border-bottom: 1px solid var(--hairline);
}

.page-header .section-label { margin-bottom: 12px; }

.page-header h1 {
    font-size: 36px;
    letter-spacing: -0.72px;
    color: var(--ink);
    margin-bottom: 12px;
}

.page-header p {
    font-size: 16px;
    color: var(--body);
    max-width: 600px;
}

.page-header .meta {
    font-size: 13px;
    color: var(--muted);
    margin-top: 16px;
}

.article-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 48px;
    padding: 64px 0;
    max-width: 1200px;
    margin: 0 auto;
}

.article-content h2 {
    font-size: 22px;
    letter-spacing: -0.11px;
    color: var(--ink);
    margin: 40px 0 16px;
}

.article-content h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    margin: 28px 0 12px;
}

.article-content p {
    font-size: 16px;
    color: var(--body);
    line-height: 1.65;
    margin-bottom: 20px;
}

.article-content ul, .article-content ol {
    padding-left: 24px;
    margin-bottom: 20px;
}

.article-content li {
    font-size: 16px;
    color: var(--body);
    line-height: 1.65;
    margin-bottom: 6px;
}

.article-content .info-box {
    background: var(--canvas-soft);
    border: 1px solid var(--hairline);
    border-radius: 8px;
    padding: 20px 24px;
    margin: 24px 0;
}

.article-content .info-box p {
    font-size: 14px;
    margin-bottom: 0;
}

.article-image {
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--hairline);
    margin: 32px 0;
}

.article-image img {
    width: 100%;
    height: 360px;
    object-fit: cover;
}

.article-image figcaption {
    font-size: 13px;
    color: var(--muted);
    padding: 10px 16px;
    background: var(--canvas-soft);
    border-top: 1px solid var(--hairline-soft);
}

.sidebar { position: relative; }

.sidebar-widget {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 24px;
}

.sidebar-widget h4 {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 16px;
}

.sidebar-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.sidebar-links a {
    font-size: 14px;
    color: var(--body);
    transition: color 0.15s;
}

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

.sidebar-links li + li {
    border-top: 1px solid var(--hairline-soft);
    padding-top: 10px;
}

.form-section {
    padding: 80px 0;
    background: var(--surface-card);
}

.form-wrapper {
    max-width: 600px;
}

.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);
    color: var(--ink);
    border: 1px solid var(--hairline-strong);
    border-radius: 8px;
    padding: 12px 16px;
    font-size: 14px;
    font-family: inherit;
    height: 44px;
    transition: border-color 0.15s;
    outline: none;
}

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

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

.btn-primary {
    display: inline-block;
    background: var(--primary);
    color: var(--on-primary);
    font-size: 14px;
    font-weight: 500;
    padding: 10px 18px;
    height: 40px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: background 0.15s;
    line-height: 1;
    text-align: center;
}

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

.btn-ink {
    display: inline-block;
    background: var(--ink);
    color: var(--canvas);
    font-size: 14px;
    font-weight: 500;
    padding: 12px 20px;
    height: 44px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: opacity 0.15s;
    line-height: 1;
}

.btn-ink:hover { opacity: 0.85; color: var(--canvas); }

.form-message {
    display: none;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 14px;
    margin-top: 16px;
}

.form-message.success {
    background: #e8f5f0;
    color: var(--semantic-success);
    border: 1px solid #b8ddd2;
    display: block;
}

.form-message.loading {
    background: var(--canvas-soft);
    color: var(--muted);
    border: 1px solid var(--hairline);
    display: block;
}

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

.steps-list {
    list-style: none;
    counter-reset: steps;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.steps-list li {
    counter-increment: steps;
    display: flex;
    gap: 16px;
    align-items: flex-start;
    padding: 20px;
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: 12px;
}

.steps-list li::before {
    content: counter(steps);
    min-width: 28px;
    height: 28px;
    background: var(--surface-strong);
    color: var(--ink);
    border-radius: 9999px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 600;
    flex-shrink: 0;
}

.steps-list li p { font-size: 15px; color: var(--body); }
.steps-list li strong { font-weight: 600; color: var(--ink); display: block; margin-bottom: 4px; }

.page-content {
    padding: 64px 0;
    max-width: 760px;
}

.page-content h2 {
    font-size: 22px;
    letter-spacing: -0.11px;
    color: var(--ink);
    margin: 40px 0 12px;
}

.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: 1.65;
    margin-bottom: 16px;
}

.page-content ul, .page-content ol {
    padding-left: 24px;
    margin-bottom: 20px;
}

.page-content li {
    font-size: 16px;
    color: var(--body);
    line-height: 1.65;
    margin-bottom: 6px;
}

.breadcrumb {
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 24px;
    display: flex;
    gap: 6px;
    align-items: center;
}

.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--body); }
.breadcrumb span { color: var(--muted-soft); }

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--ink);
    color: var(--canvas);
    padding: 16px 24px;
    z-index: 200;
    display: none;
}

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

.cookie-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
    width: 100%;
}

.cookie-text { font-size: 14px; color: var(--canvas-soft); }
.cookie-text a { color: var(--canvas); text-decoration: underline; }

.cookie-actions { display: flex; gap: 10px; flex-shrink: 0; }

.btn-cookie-accept {
    background: var(--primary);
    color: var(--on-primary);
    font-size: 13px;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: background 0.15s;
}

.btn-cookie-accept:hover { background: var(--primary-active); }

.btn-cookie-reject {
    background: transparent;
    color: var(--muted-soft);
    font-size: 13px;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 8px;
    border: 1px solid rgba(255,255,255,0.2);
    cursor: pointer;
    transition: border-color 0.15s;
}

.btn-cookie-reject:hover { border-color: rgba(255,255,255,0.4); color: var(--canvas); }

.tag-pill {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--ink);
    background: var(--surface-strong);
    border-radius: 9999px;
    padding: 4px 10px;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.about-grid img {
    border-radius: 12px;
    border: 1px solid var(--hairline);
    width: 100%;
    height: 400px;
    object-fit: cover;
}

@media (max-width: 1024px) {
    .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
    .footer-brand { grid-column: span 3; }
    .card-grid { grid-template-columns: repeat(2, 1fr); }
    .article-layout { grid-template-columns: 1fr; gap: 32px; }
    .article-layout .sidebar { display: none; }
    .hero-inner { grid-template-columns: 1fr; gap: 40px; }
    .hero-image { max-width: 600px; }
    .about-grid { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .nav-hamburger { display: flex; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .footer-brand { grid-column: span 2; }
    .card-grid { grid-template-columns: 1fr; }
    .card-grid-2 { grid-template-columns: 1fr; }
    h1 { font-size: 28px; }
    .hero-band { padding: 48px 0; }
    .section { padding: 48px 0; }
    .page-header { padding: 40px 0 32px; }
}

@media (max-width: 480px) {
    .footer-grid { grid-template-columns: 1fr; }
    .footer-brand { grid-column: span 1; }
    .cookie-inner { flex-direction: column; align-items: flex-start; }
    .footer-bottom { flex-direction: column; gap: 8px; }
}