@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-semantic-success: #1f8a65;
    --color-semantic-error: #cf2d56;
    --rounded-xs: 4px;
    --rounded-sm: 6px;
    --rounded-md: 8px;
    --rounded-lg: 12px;
    --rounded-xl: 16px;
    --rounded-pill: 9999px;
    --spacing-xxs: 4px;
    --spacing-xs: 8px;
    --spacing-sm: 12px;
    --spacing-base: 16px;
    --spacing-md: 20px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-xxl: 48px;
    --spacing-section: 80px;
}

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: inherit;
    text-decoration: none;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* NAV */
.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;
    justify-content: space-between;
    height: 100%;
}

.nav-logo {
    font-family: 'Inter', sans-serif;
    font-size: 18px;
    font-weight: 600;
    color: var(--color-ink);
    letter-spacing: -0.3px;
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    list-style: none;
}

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

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

.nav-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: none;
    border: none;
    padding: var(--spacing-xs);
}

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

.nav-mobile {
    display: none;
    background-color: var(--color-canvas);
    border-bottom: 1px solid var(--color-hairline);
    padding: var(--spacing-base) 0;
}

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

.nav-mobile ul {
    list-style: none;
    padding: 0 var(--spacing-lg);
}

.nav-mobile ul li a {
    display: block;
    padding: var(--spacing-sm) 0;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-body);
    border-bottom: 1px solid var(--color-hairline-soft);
}

/* HERO */
.hero {
    padding: var(--spacing-section) 0;
    background-color: var(--color-canvas);
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-section);
    align-items: center;
}

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

.hero h1 {
    font-size: 52px;
    font-weight: 400;
    line-height: 1.1;
    letter-spacing: -1.5px;
    color: var(--color-ink);
    margin-bottom: var(--spacing-lg);
}

.hero-sub {
    font-size: 16px;
    color: var(--color-body);
    line-height: 1.6;
    max-width: 480px;
    margin-bottom: var(--spacing-xl);
}

.hero-meta {
    font-size: 13px;
    color: var(--color-muted);
    display: flex;
    gap: var(--spacing-xl);
}

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

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

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

/* ARTICLE GRID */
.articles-section {
    padding: var(--spacing-section) 0;
    border-top: 1px solid var(--color-hairline);
}

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

.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

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

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

.article-card-image {
    aspect-ratio: 16/9;
    overflow: hidden;
}

.article-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.article-card:hover .article-card-image img {
    transform: scale(1.02);
}

.article-card-body {
    padding: var(--spacing-lg);
}

.article-card-tag {
    display: inline-flex;
    background-color: var(--color-surface-strong);
    color: var(--color-muted);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    padding: 3px 8px;
    border-radius: var(--rounded-pill);
    margin-bottom: var(--spacing-sm);
}

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

.article-card p {
    font-size: 14px;
    color: var(--color-body);
    line-height: 1.55;
    margin-bottom: var(--spacing-base);
}

.article-card-meta {
    font-size: 13px;
    color: var(--color-muted);
    display: flex;
    gap: var(--spacing-base);
    align-items: center;
}

.difficulty-badge {
    display: inline-flex;
    align-items: center;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    padding: 2px 8px;
    border-radius: var(--rounded-pill);
}

.difficulty-easy {
    background-color: #d4f0e0;
    color: #1f5e3a;
}

.difficulty-moderate {
    background-color: #fef3cd;
    color: #7a5200;
}

.difficulty-hard {
    background-color: #fde0e4;
    color: #8a1a28;
}

/* INFO BAND */
.info-band {
    padding: var(--spacing-section) 0;
    background-color: var(--color-canvas-soft);
    border-top: 1px solid var(--color-hairline);
    border-bottom: 1px solid var(--color-hairline);
}

.info-band-inner {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

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

.info-card-icon {
    font-size: 22px;
    margin-bottom: var(--spacing-sm);
}

.info-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-ink);
    margin-bottom: var(--spacing-xs);
}

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

/* ARTICLE PAGE */
.article-page {
    padding: var(--spacing-section) 0;
}

.article-page-header {
    max-width: 760px;
    margin-bottom: var(--spacing-xxl);
}

.article-page-header h1 {
    font-size: 42px;
    font-weight: 400;
    color: var(--color-ink);
    letter-spacing: -1px;
    line-height: 1.15;
    margin-bottom: var(--spacing-lg);
}

.article-page-header .article-meta-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-base);
    flex-wrap: wrap;
    font-size: 13px;
    color: var(--color-muted);
}

.article-hero-image {
    border-radius: var(--rounded-lg);
    overflow: hidden;
    border: 1px solid var(--color-hairline);
    margin-bottom: var(--spacing-xxl);
    aspect-ratio: 16/7;
}

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

.article-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: var(--spacing-section);
    align-items: start;
}

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

.article-body h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--color-ink);
    margin: var(--spacing-xl) 0 var(--spacing-sm);
}

.article-body p {
    font-size: 16px;
    color: var(--color-body);
    line-height: 1.7;
    margin-bottom: var(--spacing-base);
    letter-spacing: 0.08px;
}

.article-body ul, .article-body ol {
    padding-left: var(--spacing-xl);
    margin-bottom: var(--spacing-base);
}

.article-body li {
    font-size: 16px;
    color: var(--color-body);
    line-height: 1.7;
    margin-bottom: var(--spacing-xs);
    letter-spacing: 0.08px;
}

.article-body a {
    color: var(--color-primary);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 2px;
}

.info-box {
    background-color: var(--color-canvas-soft);
    border: 1px solid var(--color-hairline);
    border-left: 3px solid var(--color-primary);
    border-radius: var(--rounded-md);
    padding: var(--spacing-base) var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

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

.trail-specs {
    background-color: var(--color-surface-card);
    border: 1px solid var(--color-hairline);
    border-radius: var(--rounded-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

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

.trail-spec-row {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid var(--color-hairline-soft);
    font-size: 14px;
}

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

.trail-spec-label {
    color: var(--color-muted);
}

.trail-spec-value {
    color: var(--color-ink);
    font-weight: 500;
}

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

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

.sidebar-card h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-ink);
    margin-bottom: var(--spacing-sm);
}

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

.sidebar-card ul li {
    font-size: 14px;
    color: var(--color-body);
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid var(--color-hairline-soft);
    line-height: 1.4;
}

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

.sidebar-card ul li a {
    color: var(--color-body);
}

.sidebar-card ul li a:hover {
    color: var(--color-ink);
}

/* PAGES (about, privacy, terms) */
.page-content {
    padding: var(--spacing-section) 0;
    max-width: 760px;
}

.page-content h1 {
    font-size: 42px;
    font-weight: 400;
    color: var(--color-ink);
    letter-spacing: -1px;
    margin-bottom: var(--spacing-xxl);
}

.page-content h2 {
    font-size: 24px;
    font-weight: 600;
    color: var(--color-ink);
    margin: var(--spacing-xxl) 0 var(--spacing-base);
}

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

.page-content ul, .page-content ol {
    padding-left: var(--spacing-xl);
    margin-bottom: var(--spacing-base);
}

.page-content li {
    font-size: 16px;
    color: var(--color-body);
    line-height: 1.7;
    margin-bottom: var(--spacing-xs);
}

.page-updated {
    font-size: 13px;
    color: var(--color-muted);
    margin-bottom: var(--spacing-xxl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-hairline);
}

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

.contact-section h2 {
    font-size: 36px;
    font-weight: 400;
    color: var(--color-ink);
    letter-spacing: -0.72px;
    margin-bottom: var(--spacing-xs);
}

.contact-section .contact-sub {
    font-size: 16px;
    color: var(--color-body);
    margin-bottom: var(--spacing-xxl);
}

.contact-form {
    max-width: 560px;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-base);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

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

.form-group input,
.form-group textarea {
    background-color: var(--color-surface-card);
    color: var(--color-ink);
    border: 1px solid var(--color-hairline-strong);
    border-radius: var(--rounded-md);
    padding: 12px 16px;
    font-size: 16px;
    font-family: inherit;
    height: 44px;
    outline: none;
    transition: border-color 0.15s ease;
}

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

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

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

.form-error-msg {
    font-size: 13px;
    color: var(--color-semantic-error);
    display: none;
}

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

.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;
    font-family: inherit;
    padding: 10px 18px;
    height: 40px;
    border-radius: var(--rounded-md);
    border: none;
    cursor: pointer;
    transition: background-color 0.15s ease;
    align-self: flex-start;
}

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

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

.form-success {
    display: none;
    background-color: #d4f0e0;
    color: #1f5e3a;
    border: 1px solid #b0ddc8;
    border-radius: var(--rounded-md);
    padding: var(--spacing-base) var(--spacing-lg);
    font-size: 14px;
    font-weight: 500;
}

.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-inner {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: var(--spacing-xl);
}

.footer-brand p {
    font-size: 14px;
    color: var(--color-muted);
    line-height: 1.6;
    margin-top: var(--spacing-sm);
    max-width: 260px;
}

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

.footer-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.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 {
    margin-top: var(--spacing-xxl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-hairline);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-base);
    font-size: 13px;
    color: var(--color-muted);
}

/* COOKIE BANNER */
#cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--color-ink);
    color: var(--color-canvas);
    padding: var(--spacing-base) var(--spacing-lg);
    z-index: 999;
    display: none;
}

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

.cookie-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.cookie-text {
    font-size: 14px;
    line-height: 1.5;
    flex: 1;
}

.cookie-text a {
    color: var(--color-canvas);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.cookie-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}

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

.btn-cookie-reject {
    background-color: transparent;
    color: var(--color-canvas);
    border: 1px solid rgba(247,247,244,0.3);
    border-radius: var(--rounded-md);
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
}

/* BREADCRUMB */
.breadcrumb {
    padding: var(--spacing-base) 0;
    border-bottom: 1px solid var(--color-hairline);
    font-size: 13px;
    color: var(--color-muted);
}

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

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

.breadcrumb span {
    margin: 0 var(--spacing-xs);
}

/* RELATED ARTICLES */
.related-section {
    padding: var(--spacing-section) 0;
    border-top: 1px solid var(--color-hairline);
}

.related-section h2 {
    font-size: 26px;
    font-weight: 400;
    color: var(--color-ink);
    letter-spacing: -0.325px;
    margin-bottom: var(--spacing-xl);
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-base);
}

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

/* RESPONSIVE */
@media (max-width: 1024px) {
    .footer-inner {
        grid-template-columns: 1fr 1fr 1fr;
    }

    .footer-brand {
        grid-column: 1 / -1;
    }

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

    .article-layout {
        grid-template-columns: 1fr;
    }

    .article-sidebar {
        position: static;
    }

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

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

    .nav-hamburger {
        display: flex;
    }

    .hero h1 {
        font-size: 32px;
        letter-spacing: -0.8px;
    }

    .hero-inner {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .articles-grid {
        grid-template-columns: 1fr;
    }

    .info-band-inner {
        grid-template-columns: 1fr;
    }

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

    .footer-brand {
        grid-column: 1 / -1;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .article-page-header h1 {
        font-size: 28px;
        letter-spacing: -0.5px;
    }

    .related-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-base);
    }

    .hero {
        padding: var(--spacing-xxl) 0;
    }

    .articles-section,
    .info-band,
    .contact-section,
    .related-section {
        padding: var(--spacing-xxl) 0;
    }

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

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