*, *::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;
    --success: #1f8a65;
    --error: #cf2d56;
    --rounded-xs: 4px;
    --rounded-sm: 6px;
    --rounded-md: 8px;
    --rounded-lg: 12px;
    --rounded-xl: 16px;
    --rounded-pill: 9999px;
}

html { scroll-behavior: smooth; }

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

.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; }

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

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

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

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

.main-nav ul {
    display: flex;
    gap: 32px;
    list-style: none;
}

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

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

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

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

/* BUTTONS */
.btn-primary {
    background: 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;
    transition: background 0.15s;
    display: inline-flex;
    align-items: center;
}

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

.btn-secondary {
    background: 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;
    transition: border-color 0.15s;
    display: inline-flex;
    align-items: center;
}

.btn-secondary:hover { border-color: var(--ink); }

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

.hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.hero-badge {
    display: inline-block;
    background: var(--surface-strong);
    color: var(--ink);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    padding: 4px 10px;
    border-radius: var(--rounded-pill);
    margin-bottom: 20px;
}

.hero h1 {
    font-size: 56px;
    font-weight: 400;
    line-height: 1.1;
    letter-spacing: -1.5px;
    color: var(--ink);
    margin-bottom: 20px;
}

.hero-desc {
    font-size: 16px;
    color: var(--body);
    line-height: 1.5;
    margin-bottom: 32px;
    max-width: 480px;
}

.hero-img {
    border-radius: var(--rounded-lg);
    border: 1px solid var(--hairline);
    overflow: hidden;
    aspect-ratio: 4/3;
    object-fit: cover;
    width: 100%;
}

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

.section-label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 12px;
}

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

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

/* CARD GRID */
.card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

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

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

.feature-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 12px;
    line-height: 1.4;
}

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

.article-card {
    background: 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 {
    aspect-ratio: 16/9;
    object-fit: cover;
    width: 100%;
}

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

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

.article-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 8px;
    line-height: 1.3;
}

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

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

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

.article-header h1 {
    font-size: 48px;
    font-weight: 400;
    line-height: 1.1;
    letter-spacing: -1.2px;
    color: var(--ink);
    max-width: 800px;
    margin-bottom: 20px;
}

.article-meta {
    font-size: 13px;
    color: var(--muted);
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.article-body {
    padding: 48px 0 80px;
}

.article-body .content-wrap {
    max-width: 740px;
}

.article-body h2 {
    font-size: 26px;
    font-weight: 400;
    color: var(--ink);
    letter-spacing: -0.325px;
    margin: 40px 0 16px;
    line-height: 1.25;
}

.article-body h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--ink);
    margin: 28px 0 12px;
    line-height: 1.3;
}

.article-body p {
    font-size: 16px;
    color: var(--body);
    line-height: 1.5;
    margin-bottom: 20px;
}

.article-body ul, .article-body ol {
    margin: 0 0 20px 24px;
    color: var(--body);
    font-size: 16px;
    line-height: 1.5;
}

.article-body li { margin-bottom: 8px; }

.article-body figure {
    margin: 32px 0;
    border-radius: var(--rounded-lg);
    overflow: hidden;
    border: 1px solid var(--hairline);
}

.article-body figure img { width: 100%; }

.article-body figcaption {
    font-size: 13px;
    color: var(--muted);
    padding: 10px 16px;
    background: var(--canvas-soft);
}

.info-box {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-left: 3px solid var(--primary);
    border-radius: var(--rounded-md);
    padding: 20px 24px;
    margin: 28px 0;
}

.info-box p { margin-bottom: 0; color: var(--body-strong); }

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

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

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

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

code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--rounded-xs);
    padding: 2px 6px;
    color: var(--ink);
}

/* PAGE CONTENT */
.page-header {
    padding: 64px 0 40px;
    border-bottom: 1px solid var(--hairline);
}

.page-header h1 {
    font-size: 48px;
    font-weight: 400;
    color: var(--ink);
    letter-spacing: -1.2px;
    line-height: 1.1;
    margin-bottom: 16px;
}

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

.page-body {
    padding: 48px 0 80px;
    max-width: 740px;
}

.page-body h2 {
    font-size: 22px;
    font-weight: 600;
    color: var(--ink);
    margin: 36px 0 12px;
}

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

.page-body ul {
    margin: 0 0 16px 24px;
    color: var(--body);
    font-size: 16px;
    line-height: 1.5;
}

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

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

.contact-form-wrap {
    max-width: 560px;
}

.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: var(--rounded-md);
    padding: 12px 16px;
    font-size: 16px;
    font-family: inherit;
    transition: border-color 0.15s;
    outline: none;
}

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

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

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

.form-message {
    display: none;
    padding: 14px 20px;
    border-radius: var(--rounded-md);
    font-size: 14px;
    font-weight: 500;
    margin-top: 16px;
}

.form-message.success {
    background: #e6f5ef;
    color: var(--success);
    border: 1px solid #b3dece;
    display: block;
}

.form-message.error-msg {
    background: #fde8ec;
    color: var(--error);
    border: 1px solid #f5b8c2;
    display: block;
}

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

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 48px;
}

.footer-brand {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    display: block;
    margin-bottom: 8px;
}

.footer-tagline {
    font-size: 14px;
    color: var(--muted);
}

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

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

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

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

.footer-bottom {
    border-top: 1px solid var(--hairline);
    padding-top: 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

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

.footer-disclaimer { max-width: 700px; }

/* COOKIE BANNER */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--ink);
    color: var(--canvas);
    padding: 20px 24px;
    z-index: 1000;
    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: 24px;
    flex-wrap: wrap;
}

.cookie-inner p {
    font-size: 14px;
    color: var(--canvas-soft);
}

.cookie-inner a { color: var(--primary); }

.cookie-buttons { display: flex; gap: 12px; flex-shrink: 0; }

.cookie-banner .btn-primary { background: var(--primary); }

.cookie-banner .btn-secondary {
    background: transparent;
    color: var(--canvas);
    border-color: rgba(255,255,255,0.3);
}

.cookie-banner .btn-secondary:hover { border-color: var(--canvas); }

/* BREADCRUMB */
.breadcrumb {
    padding: 16px 0;
    font-size: 13px;
    color: var(--muted);
}

.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--ink); }
.breadcrumb span { margin: 0 8px; }

/* UPDATED DATE */
.updated-date {
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 32px;
}

/* ABOUT PAGE */
.team-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 32px;
}

/* RESPONSIVE */
@media (max-width: 1024px) {
    .hero h1 { font-size: 40px; }
    .card-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .hero-inner { grid-template-columns: 1fr; }
    .hero h1 { font-size: 32px; letter-spacing: -0.8px; }
    .section-title { font-size: 26px; }
    .article-header h1 { font-size: 32px; }
    .page-header h1 { font-size: 32px; }
    .card-grid { grid-template-columns: 1fr; }
    .card-grid-2 { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .team-grid { grid-template-columns: 1fr; }

    .nav-toggle { display: flex; }
    .main-nav {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--canvas);
        border-bottom: 1px solid var(--hairline);
        padding: 16px 24px 24px;
    }
    .main-nav.open { display: block; }
    .main-nav ul { flex-direction: column; gap: 16px; }
}

@media (max-width: 640px) {
    .container { padding: 0 16px; }
    .hero { padding: 48px 0; }
    .section { padding: 48px 0; }
}