@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 {
    --color-canvas: #f7f7f4;
    --color-canvas-soft: #fafaf7;
    --color-surface-card: #ffffff;
    --color-surface-strong: #e6e5e0;
    --color-primary: #f54e00;
    --color-primary-active: #d04200;
    --color-ink: #26251e;
    --color-body: #5a5852;
    --color-body-strong: #26251e;
    --color-muted: #807d72;
    --color-muted-soft: #a09c92;
    --color-on-primary: #ffffff;
    --color-hairline: #e6e5e0;
    --color-hairline-soft: #efeee8;
    --color-hairline-strong: #cfcdc4;
    --color-success: #1f8a65;
    --color-error: #cf2d56;
    --rounded-xs: 4px;
    --rounded-sm: 6px;
    --rounded-md: 8px;
    --rounded-lg: 12px;
    --rounded-xl: 16px;
    --rounded-pill: 9999px;
    --font-sans: 'Inter', system-ui, 'Helvetica Neue', Helvetica, Arial, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    font-weight: 400;
    line-height: 1.5;
    color: var(--color-body);
    background-color: var(--color-canvas);
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--color-ink);
    text-decoration: none;
    transition: color 0.15s ease;
}

a:hover {
    color: var(--color-primary);
}

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

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

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border: 0;
}

/* TYPOGRAPHY */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-sans);
    color: var(--color-ink);
    font-weight: 400;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

h1 { font-size: 72px; letter-spacing: -0.03em; line-height: 1.1; }
h2 { font-size: 36px; letter-spacing: -0.02em; }
h3 { font-size: 26px; letter-spacing: -0.012em; line-height: 1.25; }
h4 { font-size: 22px; letter-spacing: -0.005em; line-height: 1.3; }
h5 { font-size: 18px; font-weight: 600; letter-spacing: 0; line-height: 1.4; }
h6 { font-size: 16px; font-weight: 600; letter-spacing: 0; line-height: 1.4; }

p {
    margin-bottom: 1rem;
    color: var(--color-body);
}

.text-ink { color: var(--color-ink); }
.text-muted { color: var(--color-muted); font-size: 14px; }
.text-caption { font-size: 13px; color: var(--color-muted); line-height: 1.4; }
.text-label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-muted);
}

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

.site-nav .container {
    display: flex;
    align-items: center;
    height: 100%;
    gap: 32px;
}

.nav-logo {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-ink);
    letter-spacing: -0.01em;
    flex-shrink: 0;
    text-decoration: none;
}

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

.nav-links {
    display: flex;
    list-style: none;
    gap: 8px;
    flex: 1;
}

.nav-links a {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-body);
    padding: 6px 10px;
    border-radius: var(--rounded-sm);
    transition: color 0.15s, background-color 0.15s;
}

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

.nav-hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    color: var(--color-ink);
}

.nav-hamburger svg {
    display: block;
}

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

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

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

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

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

.hero-band h1 {
    margin-bottom: 24px;
    max-width: 900px;
}

.hero-band p.lead {
    font-size: 18px;
    color: var(--color-body);
    margin-bottom: 40px;
    max-width: 640px;
    line-height: 1.6;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    background-color: var(--color-surface-strong);
    color: var(--color-muted);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 4px 12px;
    border-radius: var(--rounded-pill);
    margin-bottom: 24px;
}

.hero-image-wrap {
    margin-top: 64px;
    border-radius: var(--rounded-lg);
    overflow: hidden;
    border: 1px solid var(--color-hairline);
    background-color: var(--color-surface-card);
    max-height: 480px;
}

.hero-image-wrap img {
    width: 100%;
    height: 480px;
    object-fit: cover;
}

/* SECTIONS */
.section {
    padding: 80px 0;
}

.section-label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-muted);
    margin-bottom: 16px;
}

.section-head {
    margin-bottom: 48px;
}

.section-head h2 {
    margin-bottom: 16px;
}

.section-head p {
    font-size: 18px;
    color: var(--color-body);
    max-width: 560px;
}

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

/* CARDS */
.card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.card-grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

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

.feature-card h5 {
    margin-bottom: 8px;
    color: var(--color-ink);
}

.feature-card p {
    font-size: 14px;
    color: var(--color-body);
    margin-bottom: 0;
}

.feature-card .card-icon {
    font-size: 24px;
    margin-bottom: 16px;
}

/* ARTICLE CARDS */
.article-card {
    background-color: var(--color-surface-card);
    border: 1px solid var(--color-hairline);
    border-radius: var(--rounded-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: border-color 0.15s ease;
}

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

.article-card-img {
    width: 100%;
    height: 220px;
    object-fit: cover;
}

.article-card-body {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.article-card-tag {
    display: inline-flex;
    background-color: var(--color-surface-strong);
    color: var(--color-muted);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 3px 10px;
    border-radius: var(--rounded-pill);
    margin-bottom: 12px;
    width: fit-content;
}

.article-card-body h4 {
    margin-bottom: 12px;
    color: var(--color-ink);
    font-size: 20px;
    line-height: 1.3;
}

.article-card-body p {
    font-size: 14px;
    color: var(--color-body);
    margin-bottom: 20px;
    flex: 1;
}

.article-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 16px;
    border-top: 1px solid var(--color-hairline-soft);
    margin-top: auto;
}

.article-card-date {
    font-size: 13px;
    color: var(--color-muted);
}

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

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

/* ARTICLE PAGE */
.article-header {
    padding: 64px 0 48px;
    border-bottom: 1px solid var(--color-hairline);
}

.article-header h1 {
    font-size: 48px;
    letter-spacing: -0.02em;
    line-height: 1.15;
    margin-bottom: 24px;
    max-width: 760px;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    color: var(--color-muted);
    font-size: 14px;
}

.article-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.article-body {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 64px;
    padding: 64px 0;
    align-items: start;
}

.article-content h2 {
    font-size: 28px;
    margin-top: 48px;
    margin-bottom: 16px;
}

.article-content h3 {
    font-size: 22px;
    margin-top: 32px;
    margin-bottom: 12px;
}

.article-content p {
    font-size: 16px;
    line-height: 1.7;
    margin-bottom: 20px;
}

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

.article-content li {
    margin-bottom: 8px;
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-body);
}

.article-content a {
    color: var(--color-primary);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.article-content a:hover {
    color: var(--color-primary-active);
}

.article-content img {
    border-radius: var(--rounded-lg);
    border: 1px solid var(--color-hairline);
    margin: 32px 0;
    width: 100%;
}

.article-content figcaption {
    font-size: 13px;
    color: var(--color-muted);
    margin-top: -24px;
    margin-bottom: 32px;
    text-align: center;
}

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

.sidebar-box {
    background-color: var(--color-surface-card);
    border: 1px solid var(--color-hairline);
    border-radius: var(--rounded-lg);
    padding: 24px;
    margin-bottom: 16px;
}

.sidebar-box h6 {
    margin-bottom: 16px;
    color: var(--color-ink);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--color-muted);
}

.sidebar-box ul {
    list-style: none;
    padding: 0;
}

.sidebar-box ul li {
    padding: 6px 0;
    border-bottom: 1px solid var(--color-hairline-soft);
    font-size: 14px;
}

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

.sidebar-box ul li a {
    color: var(--color-body);
    font-size: 14px;
}

.sidebar-box ul li a:hover {
    color: var(--color-primary);
}

/* INFO BOX */
.info-box {
    background-color: var(--color-canvas-soft);
    border: 1px solid var(--color-hairline);
    border-left: 3px solid var(--color-ink);
    border-radius: var(--rounded-sm);
    padding: 20px 24px;
    margin: 32px 0;
}

.info-box p {
    margin-bottom: 0;
    font-size: 15px;
}

/* TABLE */
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
    margin: 24px 0;
}

.data-table th {
    text-align: left;
    padding: 10px 16px;
    background-color: var(--color-canvas-soft);
    color: var(--color-ink);
    font-weight: 600;
    font-size: 13px;
    border-bottom: 1px solid var(--color-hairline-strong);
}

.data-table td {
    padding: 10px 16px;
    border-bottom: 1px solid var(--color-hairline-soft);
    color: var(--color-body);
}

.data-table tr:last-child td {
    border-bottom: none;
}

/* CONTACT FORM */
.contact-section {
    background-color: var(--color-canvas-soft);
    border-top: 1px solid var(--color-hairline);
    border-bottom: 1px solid var(--color-hairline);
    padding: 80px 0;
}

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

.contact-info h3 {
    margin-bottom: 16px;
}

.contact-info p {
    margin-bottom: 24px;
}

.contact-detail {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 15px;
    color: var(--color-body);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-ink);
    margin-bottom: 6px;
}

.form-control {
    width: 100%;
    background-color: var(--color-surface-card);
    color: var(--color-ink);
    font-family: var(--font-sans);
    font-size: 15px;
    padding: 12px 16px;
    height: 44px;
    border: 1px solid var(--color-hairline-strong);
    border-radius: var(--rounded-md);
    outline: none;
    transition: border-color 0.15s ease;
    appearance: none;
}

.form-control:focus {
    border-color: var(--color-ink);
}

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

.form-error {
    font-size: 13px;
    color: var(--color-error);
    margin-top: 4px;
    display: none;
}

.form-error.visible {
    display: block;
}

.form-success {
    display: none;
    background-color: #f0faf6;
    border: 1px solid #1f8a65;
    border-radius: var(--rounded-md);
    padding: 16px 20px;
    color: #1f8a65;
    font-size: 15px;
    margin-top: 16px;
}

.form-success.visible {
    display: block;
}

/* FOOTER */
.site-footer {
    background-color: var(--color-canvas);
    border-top: 1px solid var(--color-hairline);
    padding: 64px 0 48px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: 32px;
    margin-bottom: 48px;
}

.footer-brand p {
    font-size: 14px;
    color: var(--color-body);
    margin-top: 12px;
    max-width: 280px;
    line-height: 1.6;
}

.footer-col h6 {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-ink);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.footer-col ul {
    list-style: none;
    padding: 0;
}

.footer-col ul li {
    margin-bottom: 8px;
}

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

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

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

.footer-bottom p {
    font-size: 13px;
    color: var(--color-muted);
    margin-bottom: 0;
}

.footer-bottom-links {
    display: flex;
    gap: 16px;
}

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

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

/* COOKIE BANNER */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--color-ink);
    color: var(--color-canvas);
    padding: 20px 24px;
    z-index: 999;
    display: none;
    border-top: 1px solid rgba(255,255,255,0.1);
}

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

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

.cookie-text {
    font-size: 14px;
    color: var(--color-canvas);
    line-height: 1.5;
}

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

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

.cookie-accept {
    background-color: var(--color-primary);
    color: var(--color-on-primary);
    border: none;
    padding: 8px 16px;
    border-radius: var(--rounded-md);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
}

.cookie-reject {
    background-color: transparent;
    color: var(--color-canvas);
    border: 1px solid rgba(255,255,255,0.3);
    padding: 8px 16px;
    border-radius: var(--rounded-md);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
}

/* BREADCRUMB */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 16px 0;
    font-size: 14px;
    color: var(--color-muted);
    border-bottom: 1px solid var(--color-hairline);
}

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

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

.breadcrumb-sep {
    color: var(--color-hairline-strong);
}

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

.page-header h1 {
    font-size: 48px;
    margin-bottom: 16px;
}

.page-header p.lead {
    font-size: 18px;
    color: var(--color-body);
    max-width: 600px;
}

/* PROSE (for pages) */
.prose {
    max-width: 720px;
    padding: 64px 0;
}

.prose h2 {
    font-size: 28px;
    margin-top: 48px;
    margin-bottom: 16px;
}

.prose h3 {
    font-size: 22px;
    margin-top: 32px;
    margin-bottom: 12px;
}

.prose p {
    font-size: 16px;
    line-height: 1.7;
    margin-bottom: 20px;
}

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

.prose li {
    margin-bottom: 8px;
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-body);
}

.prose a {
    color: var(--color-primary);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.prose table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
    margin: 24px 0;
}

.prose table th {
    text-align: left;
    padding: 10px 16px;
    background-color: var(--color-canvas-soft);
    color: var(--color-ink);
    font-weight: 600;
    border-bottom: 1px solid var(--color-hairline-strong);
}

.prose table td {
    padding: 10px 16px;
    border-bottom: 1px solid var(--color-hairline-soft);
    color: var(--color-body);
}

/* ABOUT PAGE */
.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 48px;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 32px;
}

/* LOADING SPINNER */
.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255,255,255,0.4);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    vertical-align: middle;
    margin-right: 8px;
}

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

/* RESPONSIVE */
@media (max-width: 1024px) {
    h1 { font-size: 56px; }
    .card-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
    .team-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    h1 { font-size: 36px; }
    h2 { font-size: 28px; }
    h3 { font-size: 22px; }
    .article-header h1 { font-size: 32px; }
    .page-header h1 { font-size: 32px; }

    .nav-links { display: none; }
    .nav-links.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background-color: var(--color-canvas);
        border-bottom: 1px solid var(--color-hairline);
        padding: 16px;
        gap: 4px;
    }
    .nav-hamburger { display: flex; }

    .card-grid { grid-template-columns: 1fr; }
    .card-grid-2 { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; gap: 32px; }
    .article-body { grid-template-columns: 1fr; }
    .article-sidebar { position: static; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
    .team-grid { grid-template-columns: 1fr; }
    .values-grid { grid-template-columns: 1fr; }
    .hero-image-wrap { display: none; }

    .cookie-inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
    .container { padding: 0 16px; }
    .footer-grid { grid-template-columns: 1fr; }
    h1 { font-size: 30px; }
    .section { padding: 48px 0; }
    .hero-band { padding: 48px 0; }
}