@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400&display=swap');

: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;
    --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;
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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 var(--spacing-xl);
}

/* TOP NAV */
.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-brand {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    letter-spacing: -0.02em;
}

.nav-brand span {
    color: var(--primary);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    list-style: none;
}

.nav-menu a {
    font-size: 14px;
    font-weight: 500;
    color: var(--muted);
    line-height: 1.4;
    transition: color 0.15s;
}

.nav-menu a:hover {
    color: var(--ink);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.nav-hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
    padding: 4px;
}

.nav-hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background-color: var(--ink);
    border-radius: 2px;
    transition: all 0.3s;
}

/* BUTTONS */
.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;
    gap: var(--spacing-xs);
    line-height: 1;
    transition: background-color 0.15s;
    text-decoration: none;
}

.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;
    line-height: 1;
    transition: border-color 0.15s;
    text-decoration: none;
}

.btn-secondary:hover {
    border-color: var(--muted);
    color: var(--ink);
}

/* BADGE PILL */
.badge-pill {
    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;
    line-height: 1.4;
}

/* HERO BAND */
.hero-band {
    background-color: var(--canvas);
    padding: var(--spacing-section) 0;
    border-bottom: 1px solid var(--hairline);
}

.hero-band .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: center;
}

.hero-label {
    margin-bottom: var(--spacing-base);
}

.hero-title {
    font-size: 52px;
    font-weight: 400;
    color: var(--ink);
    line-height: 1.1;
    letter-spacing: -1.5px;
    margin-bottom: var(--spacing-lg);
}

.hero-desc {
    font-size: 16px;
    color: var(--body);
    line-height: 1.6;
    margin-bottom: var(--spacing-xl);
    max-width: 480px;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.hero-image-wrap {
    border-radius: var(--rounded-lg);
    overflow: hidden;
    border: 1px solid var(--hairline);
    background-color: var(--surface-card);
}

.hero-image-wrap img {
    width: 100%;
    height: 360px;
    object-fit: cover;
}

/* SECTION SHARED */
.section {
    padding: var(--spacing-section) 0;
}

.section-label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: var(--spacing-base);
}

.section-title {
    font-size: 36px;
    font-weight: 400;
    color: var(--ink);
    line-height: 1.2;
    letter-spacing: -0.72px;
    margin-bottom: var(--spacing-base);
}

.section-desc {
    font-size: 16px;
    color: var(--body);
    line-height: 1.6;
    max-width: 560px;
}

.section-header {
    margin-bottom: var(--spacing-xxl);
}

.section-header.center {
    text-align: center;
}

.section-header.center .section-desc {
    margin: 0 auto;
}

/* FEATURE CARDS GRID */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.cards-grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.feature-card {
    background-color: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--rounded-lg);
    padding: var(--spacing-lg);
}

.feature-card-icon {
    width: 40px;
    height: 40px;
    background-color: var(--canvas);
    border: 1px solid var(--hairline);
    border-radius: var(--rounded-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-base);
    font-size: 20px;
}

.feature-card-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    line-height: 1.4;
    margin-bottom: var(--spacing-xs);
}

.feature-card-desc {
    font-size: 14px;
    color: var(--body);
    line-height: 1.6;
}

/* ARTICLES SECTION */
.article-card {
    background-color: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--rounded-lg);
    overflow: hidden;
    transition: border-color 0.15s;
}

.article-card:hover {
    border-color: var(--hairline-strong);
}

.article-card-img {
    width: 100%;
    height: 220px;
    object-fit: cover;
}

.article-card-body {
    padding: var(--spacing-lg);
}

.article-card-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
}

.article-card-meta time {
    font-size: 13px;
    color: var(--muted);
}

.article-card-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    line-height: 1.4;
    margin-bottom: var(--spacing-xs);
}

.article-card-title a {
    color: var(--ink);
}

.article-card-title a:hover {
    color: var(--primary);
}

.article-card-excerpt {
    font-size: 14px;
    color: var(--body);
    line-height: 1.6;
}

/* SECTION SEPARATOR */
.section-divider {
    border: none;
    border-top: 1px solid var(--hairline);
}

/* CONTACT FORM */
.contact-section {
    background-color: var(--canvas);
    padding: var(--spacing-section) 0;
}

.contact-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.form-group {
    margin-bottom: var(--spacing-base);
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--ink);
    margin-bottom: var(--spacing-xs);
}

.form-group input,
.form-group textarea {
    width: 100%;
    background-color: var(--surface-card);
    color: var(--ink);
    border: 1px solid var(--hairline-strong);
    border-radius: var(--rounded-md);
    padding: 12px 16px;
    font-size: 16px;
    font-family: inherit;
    line-height: 1.5;
    transition: border-color 0.15s;
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--ink);
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.form-status {
    display: none;
    margin-top: var(--spacing-base);
    padding: 12px 16px;
    border-radius: var(--rounded-md);
    font-size: 14px;
    font-weight: 500;
}

.form-status.success {
    background-color: #e8f5f0;
    color: var(--semantic-success);
    border: 1px solid #b8ddd1;
}

.form-loading {
    display: none;
    font-size: 14px;
    color: var(--muted);
    margin-top: var(--spacing-base);
}

/* ARTICLE PAGE */
.article-hero {
    padding: var(--spacing-xxl) 0 var(--spacing-section);
    background-color: var(--canvas);
    border-bottom: 1px solid var(--hairline);
}

.article-hero-img {
    margin-top: var(--spacing-xl);
    border-radius: var(--rounded-lg);
    overflow: hidden;
    border: 1px solid var(--hairline);
    max-height: 440px;
}

.article-hero-img img {
    width: 100%;
    height: 440px;
    object-fit: cover;
}

.article-content-wrap {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 64px;
    align-items: start;
    padding: var(--spacing-section) 0;
}

.article-body {
    font-size: 16px;
    line-height: 1.7;
    color: var(--body);
}

.article-body h2 {
    font-size: 26px;
    font-weight: 400;
    color: var(--ink);
    letter-spacing: -0.325px;
    margin: var(--spacing-xl) 0 var(--spacing-base);
    line-height: 1.25;
}

.article-body h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    margin: var(--spacing-lg) 0 var(--spacing-xs);
    line-height: 1.4;
}

.article-body p {
    margin-bottom: var(--spacing-base);
}

.article-body ul,
.article-body ol {
    margin: var(--spacing-base) 0;
    padding-left: var(--spacing-xl);
}

.article-body li {
    margin-bottom: var(--spacing-xs);
}

.article-body a {
    color: var(--primary);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.article-body code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    background-color: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--rounded-xs);
    padding: 2px 6px;
}

.article-sidebar {
    position: sticky;
    top: 80px;
}

.sidebar-card {
    background-color: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--rounded-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-base);
}

.sidebar-card-title {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: var(--spacing-base);
}

.sidebar-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.sidebar-links a {
    font-size: 14px;
    color: var(--body);
    line-height: 1.4;
}

.sidebar-links a:hover {
    color: var(--primary);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 13px;
    color: var(--muted);
    margin-bottom: var(--spacing-xl);
}

.breadcrumb a {
    color: var(--muted);
}

.breadcrumb a:hover {
    color: var(--ink);
}

.breadcrumb span {
    color: var(--hairline-strong);
}

/* PAGE CONTENT */
.page-hero {
    padding: var(--spacing-xxl) 0 var(--spacing-xl);
    border-bottom: 1px solid var(--hairline);
}

.page-title {
    font-size: 36px;
    font-weight: 400;
    color: var(--ink);
    letter-spacing: -0.72px;
    line-height: 1.2;
    margin-bottom: var(--spacing-base);
}

.page-content {
    padding: var(--spacing-section) 0;
}

.page-content-inner {
    max-width: 720px;
}

.page-content-inner h2 {
    font-size: 22px;
    font-weight: 400;
    color: var(--ink);
    letter-spacing: -0.11px;
    margin: var(--spacing-xl) 0 var(--spacing-base);
    line-height: 1.3;
}

.page-content-inner h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    margin: var(--spacing-lg) 0 var(--spacing-xs);
}

.page-content-inner p {
    color: var(--body);
    line-height: 1.7;
    margin-bottom: var(--spacing-base);
}

.page-content-inner ul,
.page-content-inner ol {
    padding-left: var(--spacing-xl);
    margin-bottom: var(--spacing-base);
    color: var(--body);
}

.page-content-inner li {
    line-height: 1.6;
    margin-bottom: var(--spacing-xs);
}

.page-content-inner a {
    color: var(--primary);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.page-content-inner strong {
    color: var(--ink);
    font-weight: 600;
}

/* INFO BOX */
.info-box {
    background-color: var(--surface-card);
    border: 1px solid var(--hairline);
    border-left: 3px solid var(--ink);
    border-radius: var(--rounded-sm);
    padding: var(--spacing-base) var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    font-size: 14px;
    color: var(--body);
}

/* CTA BAND */
.cta-band {
    background-color: var(--canvas);
    border-top: 1px solid var(--hairline);
    padding: 96px 0;
    text-align: center;
}

.cta-band-title {
    font-size: 36px;
    font-weight: 400;
    color: var(--ink);
    letter-spacing: -0.72px;
    margin-bottom: var(--spacing-base);
}

.cta-band-desc {
    font-size: 16px;
    color: var(--body);
    margin-bottom: var(--spacing-xl);
}

/* FOOTER */
.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: var(--spacing-xl);
    margin-bottom: var(--spacing-xxl);
}

.footer-brand-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: var(--spacing-xs);
}

.footer-brand-name span {
    color: var(--primary);
}

.footer-brand-desc {
    font-size: 14px;
    color: var(--muted);
    line-height: 1.6;
    max-width: 240px;
}

.footer-col-title {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: var(--spacing-base);
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    font-size: 14px;
    color: var(--muted);
    line-height: 1.4;
}

.footer-links a:hover {
    color: var(--ink);
}

.footer-bottom {
    border-top: 1px solid var(--hairline);
    padding-top: var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer-copy {
    font-size: 13px;
    color: var(--muted-soft);
}

.footer-bottom-links {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-bottom-links a {
    font-size: 13px;
    color: var(--muted-soft);
}

.footer-bottom-links a:hover {
    color: var(--muted);
}

/* COOKIE BANNER */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--surface-card);
    border-top: 1px solid var(--hairline);
    padding: var(--spacing-base) var(--spacing-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-xl);
    z-index: 200;
    box-shadow: 0 -4px 24px rgba(0,0,0,0.04);
}

.cookie-banner.hidden {
    display: none;
}

.cookie-text {
    font-size: 14px;
    color: var(--body);
    line-height: 1.5;
    max-width: 680px;
}

.cookie-text a {
    color: var(--primary);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.cookie-actions {
    display: flex;
    gap: var(--spacing-xs);
    flex-shrink: 0;
}

/* TABLE */
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
    margin: var(--spacing-lg) 0;
}

.data-table th {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    padding: var(--spacing-sm) var(--spacing-base);
    border-bottom: 1px solid var(--hairline);
    text-align: left;
}

.data-table td {
    padding: var(--spacing-sm) var(--spacing-base);
    border-bottom: 1px solid var(--hairline-soft);
    color: var(--body);
    line-height: 1.5;
}

.data-table tr:last-child td {
    border-bottom: none;
}

/* ABOUT PAGE TEAM */
.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

/* UPDATED NOTE */
.updated-note {
    font-size: 13px;
    color: var(--muted);
    margin-top: var(--spacing-base);
}

/* RESPONSIVE */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 40px;
        letter-spacing: -1px;
    }
    .cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr 1fr;
    }
    .article-content-wrap {
        grid-template-columns: 1fr;
    }
    .article-sidebar {
        position: static;
    }
}

@media (max-width: 768px) {
    .hero-band .container {
        grid-template-columns: 1fr;
    }
    .hero-title {
        font-size: 32px;
    }
    .nav-menu {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background-color: var(--canvas);
        border-bottom: 1px solid var(--hairline);
        flex-direction: column;
        padding: var(--spacing-base) var(--spacing-xl);
        gap: var(--spacing-base);
    }
    .nav-menu.open {
        display: flex;
    }
    .top-nav {
        position: relative;
    }
    .nav-hamburger {
        display: flex;
    }
    .nav-actions .btn-primary {
        display: none;
    }
    .cards-grid {
        grid-template-columns: 1fr;
    }
    .cards-grid-2 {
        grid-template-columns: 1fr;
    }
    .contact-wrap {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    .cookie-banner {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-base);
    }
    .section-title {
        font-size: 28px;
    }
    .team-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .container {
        padding: 0 var(--spacing-base);
    }
    .hero-image-wrap {
        display: none;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
}
