@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-hairline: #e6e5e0;
    --color-hairline-soft: #efeee8;
    --color-hairline-strong: #cfcdc4;
    --color-ink: #26251e;
    --color-body: #5a5852;
    --color-muted: #807d72;
    --color-muted-soft: #a09c92;
    --color-primary: #f54e00;
    --color-primary-active: #d04200;
    --color-on-primary: #ffffff;
    --color-success: #1f8a65;
    --color-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-color: var(--color-canvas);
    color: var(--color-body);
    font-family: 'Inter', system-ui, 'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-size: 16px;
    font-weight: 400;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

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

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

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

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

/* ========== NAV ========== */
.site-nav {
    background-color: var(--color-canvas);
    border-bottom: 1px solid var(--color-hairline);
    position: sticky;
    top: 0;
    z-index: 100;
    height: 64px;
    display: flex;
    align-items: center;
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.nav-logo {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-ink);
    letter-spacing: -0.3px;
    display: flex;
    align-items: center;
    gap: 8px;
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
    list-style: none;
}

.nav-links a {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-body);
    line-height: 1.4;
    transition: color 0.15s;
}

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

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

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

.nav-mobile {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--color-canvas);
    border-bottom: 1px solid var(--color-hairline);
    padding: 16px 24px 20px;
    z-index: 99;
}

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

.nav-mobile ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.nav-mobile ul a {
    font-size: 15px;
    font-weight: 500;
    color: var(--color-body);
}

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

.hero-label {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--color-muted);
    margin-bottom: 20px;
}

.hero h1 {
    font-size: 72px;
    font-weight: 400;
    line-height: 1.1;
    letter-spacing: -2.16px;
    color: var(--color-ink);
    max-width: 820px;
    margin-bottom: 24px;
}

.hero-sub {
    font-size: 16px;
    color: var(--color-body);
    max-width: 560px;
    line-height: 1.6;
    margin-bottom: 40px;
}

.hero-image-wrap {
    margin-top: 48px;
    border-radius: var(--rounded-lg);
    overflow: hidden;
    border: 1px solid var(--color-hairline);
    max-height: 460px;
}

.hero-image-wrap img {
    width: 100%;
    height: 460px;
    object-fit: cover;
}

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

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

.section:last-of-type {
    border-bottom: none;
}

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

.section-head h2 {
    font-size: 36px;
    font-weight: 400;
    line-height: 1.2;
    letter-spacing: -0.72px;
    color: var(--color-ink);
    margin-bottom: 12px;
}

.section-head p {
    font-size: 16px;
    color: var(--color-body);
    max-width: 560px;
    line-height: 1.6;
}

/* ========== CARDS ========== */
.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;
}

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

.card-icon {
    font-size: 22px;
    margin-bottom: 14px;
}

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

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

.card-img {
    padding: 0;
    overflow: hidden;
}

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

.card-img-body {
    padding: 20px 24px 24px;
}

.card-img-body h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-ink);
    margin-bottom: 8px;
    line-height: 1.4;
}

.card-img-body p {
    font-size: 14px;
    color: var(--color-body);
    line-height: 1.6;
    margin-bottom: 16px;
}

.card-link {
    font-size: 13px;
    font-weight: 500;
    color: var(--color-primary);
    border-bottom: 1px solid transparent;
    transition: border-color 0.15s;
}

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

/* ========== ARTICLES LIST ========== */
.articles-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.article-row {
    display: flex;
    align-items: flex-start;
    gap: 32px;
    padding: 32px 0;
    border-bottom: 1px solid var(--color-hairline-soft);
}

.article-row:first-child {
    padding-top: 0;
}

.article-row:last-child {
    border-bottom: none;
}

.article-row-img {
    flex-shrink: 0;
    width: 220px;
    height: 148px;
    border-radius: var(--rounded-lg);
    overflow: hidden;
    border: 1px solid var(--color-hairline);
}

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

.article-row-body {
    flex: 1;
}

.article-row-body .section-label {
    margin-bottom: 10px;
}

.article-row-body h3 {
    font-size: 22px;
    font-weight: 400;
    letter-spacing: -0.11px;
    color: var(--color-ink);
    line-height: 1.3;
    margin-bottom: 10px;
}

.article-row-body h3 a {
    color: var(--color-ink);
}

.article-row-body h3 a:hover {
    color: var(--color-primary);
}

.article-row-body p {
    font-size: 15px;
    color: var(--color-body);
    line-height: 1.6;
    margin-bottom: 12px;
    max-width: 600px;
}

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

/* ========== ARTICLE PAGE ========== */
.article-header {
    padding: 60px 0 40px;
    border-bottom: 1px solid var(--color-hairline);
}

.article-header h1 {
    font-size: 46px;
    font-weight: 400;
    line-height: 1.15;
    letter-spacing: -0.72px;
    color: var(--color-ink);
    max-width: 780px;
    margin-bottom: 20px;
}

.article-header .article-meta {
    font-size: 14px;
    color: var(--color-muted);
    margin-top: 8px;
}

.article-hero-img {
    margin: 40px 0;
    border-radius: var(--rounded-lg);
    overflow: hidden;
    border: 1px solid var(--color-hairline);
}

.article-hero-img img {
    width: 100%;
    height: 420px;
    object-fit: cover;
}

.article-hero-img figcaption {
    font-size: 13px;
    color: var(--color-muted);
    padding: 10px 16px;
    background: var(--color-canvas-soft);
    font-family: 'JetBrains Mono', monospace;
}

.article-content {
    max-width: 760px;
    margin: 0 auto;
    padding: 40px 0 80px;
}

.article-content h2 {
    font-size: 26px;
    font-weight: 400;
    letter-spacing: -0.325px;
    color: var(--color-ink);
    line-height: 1.25;
    margin: 48px 0 16px;
}

.article-content h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-ink);
    margin: 32px 0 12px;
}

.article-content p {
    font-size: 16px;
    color: var(--color-body);
    line-height: 1.7;
    margin-bottom: 20px;
}

.article-content ul,
.article-content ol {
    margin: 0 0 20px 24px;
    color: var(--color-body);
    line-height: 1.7;
    font-size: 16px;
}

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

.article-content a {
    color: var(--color-primary);
    border-bottom: 1px solid rgba(245, 78, 0, 0.3);
}

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

.article-content .info-box {
    background: var(--color-surface-card);
    border: 1px solid var(--color-hairline);
    border-left: 3px solid var(--color-primary);
    border-radius: var(--rounded-md);
    padding: 20px 24px;
    margin: 32px 0;
}

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

.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 28px 0;
    font-size: 14px;
}

.article-content table th {
    text-align: left;
    padding: 10px 14px;
    background: var(--color-canvas-soft);
    border: 1px solid var(--color-hairline);
    font-weight: 600;
    color: var(--color-ink);
    font-size: 13px;
    letter-spacing: 0.2px;
}

.article-content table td {
    padding: 10px 14px;
    border: 1px solid var(--color-hairline-soft);
    color: var(--color-body);
    vertical-align: top;
}

.article-content table tr:nth-child(even) td {
    background: var(--color-canvas-soft);
}

/* ========== BREADCRUMB ========== */
.breadcrumb {
    padding: 16px 0;
    font-size: 13px;
    color: var(--color-muted);
    display: flex;
    align-items: center;
    gap: 6px;
    border-bottom: 1px solid var(--color-hairline-soft);
}

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

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

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

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

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.contact-info h2 {
    font-size: 36px;
    font-weight: 400;
    letter-spacing: -0.72px;
    color: var(--color-ink);
    margin-bottom: 16px;
    line-height: 1.2;
}

.contact-info p {
    font-size: 15px;
    color: var(--color-body);
    line-height: 1.7;
    margin-bottom: 12px;
}

.contact-detail {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 28px;
}

.contact-detail-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 14px;
    color: var(--color-body);
}

.contact-detail-item strong {
    color: var(--color-ink);
    font-weight: 500;
    min-width: 60px;
}

.form-wrap {
    background: var(--color-surface-card);
    border: 1px solid var(--color-hairline);
    border-radius: var(--rounded-lg);
    padding: 32px;
}

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

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--color-ink);
    margin-bottom: 8px;
    letter-spacing: 0.1px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    background: var(--color-canvas-soft);
    border: 1px solid var(--color-hairline-strong);
    border-radius: var(--rounded-md);
    padding: 12px 16px;
    font-size: 15px;
    font-family: inherit;
    color: var(--color-ink);
    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(--color-ink);
    background: var(--color-surface-card);
}

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

.field-error {
    font-size: 12px;
    color: var(--color-error);
    margin-top: 5px;
    display: none;
}

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

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

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

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.form-success {
    display: none;
    background: var(--color-canvas-soft);
    border: 1px solid var(--color-hairline);
    border-radius: var(--rounded-md);
    padding: 20px;
    text-align: center;
    font-size: 15px;
    color: var(--color-success);
    margin-top: 16px;
}

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

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

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

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

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

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

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

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

.footer-bottom {
    margin-top: 48px;
    padding-top: 24px;
    border-top: 1px solid var(--color-hairline);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

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

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

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

/* ========== COOKIE BANNER ========== */
.cookie-banner {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 999;
    background: var(--color-ink);
    color: var(--color-canvas);
    border-radius: var(--rounded-lg);
    padding: 20px 28px;
    max-width: 640px;
    width: calc(100% - 48px);
    display: flex;
    align-items: center;
    gap: 20px;
    box-shadow: 0 4px 24px rgba(38, 37, 30, 0.18);
}

.cookie-banner.hidden {
    display: none;
}

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

.cookie-text a {
    color: var(--color-canvas);
    border-bottom: 1px solid rgba(247, 247, 244, 0.4);
}

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

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

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

.btn-cookie-reject {
    background: transparent;
    color: var(--color-canvas-soft);
    border: 1px solid rgba(247, 247, 244, 0.3);
    border-radius: var(--rounded-md);
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: border-color 0.15s;
}

.btn-cookie-reject:hover {
    border-color: rgba(247, 247, 244, 0.6);
}

/* ========== DISCLAIMER BANNER ========== */
.disclaimer-banner {
    background: var(--color-canvas-soft);
    border-bottom: 1px solid var(--color-hairline);
    padding: 10px 0;
    text-align: center;
    font-size: 12px;
    color: var(--color-muted);
}

/* ========== PAGE HEADER (inner pages) ========== */
.page-header {
    padding: 60px 0 40px;
    border-bottom: 1px solid var(--color-hairline);
}

.page-header h1 {
    font-size: 46px;
    font-weight: 400;
    letter-spacing: -0.72px;
    color: var(--color-ink);
    line-height: 1.15;
    margin-bottom: 16px;
    max-width: 680px;
}

.page-header p {
    font-size: 16px;
    color: var(--color-body);
    max-width: 560px;
    line-height: 1.6;
}

.page-content {
    max-width: 800px;
    padding: 48px 0 80px;
}

.page-content h2 {
    font-size: 26px;
    font-weight: 400;
    letter-spacing: -0.325px;
    color: var(--color-ink);
    line-height: 1.25;
    margin: 40px 0 14px;
}

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

.page-content p {
    font-size: 15px;
    color: var(--color-body);
    line-height: 1.7;
    margin-bottom: 18px;
}

.page-content ul,
.page-content ol {
    margin: 0 0 18px 24px;
    font-size: 15px;
    color: var(--color-body);
    line-height: 1.7;
}

.page-content li {
    margin-bottom: 6px;
}

.page-content a {
    color: var(--color-primary);
}

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

/* ========== ABOUT PAGE ========== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.about-image {
    border-radius: var(--rounded-lg);
    overflow: hidden;
    border: 1px solid var(--color-hairline);
}

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

.stat-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin: 48px 0;
    padding: 32px;
    background: var(--color-surface-card);
    border: 1px solid var(--color-hairline);
    border-radius: var(--rounded-lg);
}

.stat-item {
    text-align: center;
}

.stat-num {
    font-size: 32px;
    font-weight: 400;
    color: var(--color-ink);
    letter-spacing: -0.72px;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 13px;
    color: var(--color-muted);
}

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

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
    .hero h1 {
        font-size: 56px;
        letter-spacing: -1.2px;
    }

    .cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-inner {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .nav-hamburger {
        display: flex;
    }

    .hero h1 {
        font-size: 36px;
        letter-spacing: -0.8px;
    }

    .hero {
        padding: 48px 0;
    }

    .hero-image-wrap img {
        height: 260px;
    }

    .cards-grid,
    .cards-grid-2 {
        grid-template-columns: 1fr;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .stat-row {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .article-row {
        flex-direction: column;
        gap: 16px;
    }

    .article-row-img {
        width: 100%;
        height: 200px;
    }

    .article-header h1,
    .page-header h1 {
        font-size: 32px;
    }

    .section-head h2 {
        font-size: 28px;
    }

    .footer-inner {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
    }

    .cookie-banner {
        flex-direction: column;
        align-items: flex-start;
        gap: 14px;
    }
}

@media (max-width: 640px) {
    .container {
        padding: 0 16px;
    }

    .hero h1 {
        font-size: 32px;
    }
}