@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 {
    --canvas: #f7f7f4;
    --canvas-soft: #fafaf7;
    --surface-card: #ffffff;
    --surface-strong: #e6e5e0;
    --primary: #f54e00;
    --primary-active: #d04200;
    --hairline: #e6e5e0;
    --hairline-soft: #efeee8;
    --hairline-strong: #cfcdc4;
    --ink: #26251e;
    --body: #5a5852;
    --body-strong: #26251e;
    --muted: #807d72;
    --muted-soft: #a09c92;
    --on-primary: #ffffff;
    --success: #1f8a65;
    --error: #cf2d56;
}

html { scroll-behavior: smooth; }

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

a { color: inherit; text-decoration: none; }
a:hover { color: var(--ink); }
img { max-width: 100%; height: auto; display: block; }

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

/* NAV */
.site-nav {
    background: var(--canvas);
    border-bottom: 1px solid var(--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%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.nav-logo {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    letter-spacing: -0.3px;
}

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

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

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

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

.nav-hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--ink);
    margin: 5px 0;
    transition: all 0.2s;
}

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

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

.hero-label {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    background: var(--surface-strong);
    padding: 4px 10px;
    border-radius: 9999px;
    margin-bottom: 24px;
}

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

.hero-sub {
    font-size: 16px;
    color: var(--body);
    max-width: 560px;
    line-height: 1.6;
    margin-bottom: 48px;
}

.hero-image-wrap {
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--hairline);
    background: var(--surface-card);
    max-height: 420px;
}

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

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

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

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

.section-sub {
    font-size: 16px;
    color: var(--body);
    max-width: 600px;
    line-height: 1.6;
    margin-bottom: 48px;
}

/* CARD GRID */
.card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.card {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: 12px;
    padding: 24px;
    transition: border-color 0.15s;
}

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

.card-image {
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 20px;
    height: 200px;
    background: var(--canvas-soft);
}

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

.card-tag {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    background: var(--surface-strong);
    padding: 4px 10px;
    border-radius: 9999px;
    margin-bottom: 12px;
}

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

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

.card-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--primary);
    transition: color 0.15s;
}

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

/* INFO BLOCK */
.info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.info-body {
    font-size: 16px;
    color: var(--body);
    line-height: 1.6;
    margin-bottom: 20px;
}

.info-body p { margin-bottom: 16px; }
.info-body p:last-child { margin-bottom: 0; }

.info-image {
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--hairline);
}

.info-image img {
    width: 100%;
    height: 320px;
    object-fit: cover;
}

/* DIVIDER */
.divider { border: none; border-top: 1px solid var(--hairline); }

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

.breadcrumb {
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 20px;
    display: flex;
    gap: 6px;
    align-items: center;
}

.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--ink); }
.breadcrumb-sep { color: var(--hairline-strong); }

.article-meta {
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 12px;
}

.article-title {
    font-size: 48px;
    font-weight: 400;
    letter-spacing: -1.5px;
    color: var(--ink);
    line-height: 1.15;
    max-width: 760px;
    margin-bottom: 20px;
}

.article-lead {
    font-size: 18px;
    color: var(--body);
    line-height: 1.6;
    max-width: 680px;
    margin-bottom: 32px;
}

.article-image-main {
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--hairline);
    margin-bottom: 8px;
}

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

.image-caption {
    font-size: 13px;
    color: var(--muted);
    line-height: 1.4;
}

.article-body {
    max-width: 760px;
    margin: 0 auto;
    padding: 64px 0;
}

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

.article-body h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--ink);
    margin: 32px 0 12px;
}

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

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

.article-body li {
    font-size: 16px;
    color: var(--body);
    line-height: 1.7;
    margin-bottom: 8px;
}

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

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

.callout {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-left: 3px solid var(--primary);
    border-radius: 8px;
    padding: 20px 24px;
    margin: 32px 0;
}

.callout p {
    margin: 0;
    font-size: 15px;
    color: var(--body-strong);
}

.code-inline {
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    background: var(--surface-strong);
    padding: 2px 6px;
    border-radius: 4px;
    color: var(--ink);
}

.ref-list {
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid var(--hairline);
}

.ref-list h3 {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 16px;
}

.ref-list ol {
    padding-left: 20px;
}

.ref-list li {
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 8px;
}

.ref-list a {
    color: var(--muted);
    text-decoration: underline;
    text-underline-offset: 2px;
}

/* ABOUT / STATIC PAGES */
.page-hero {
    padding: 64px 0 48px;
    border-bottom: 1px solid var(--hairline);
}

.page-title {
    font-size: 48px;
    font-weight: 400;
    letter-spacing: -1.5px;
    color: var(--ink);
    line-height: 1.15;
    margin-bottom: 16px;
}

.page-lead {
    font-size: 18px;
    color: var(--body);
    line-height: 1.6;
    max-width: 620px;
}

.page-body {
    max-width: 760px;
    padding: 64px 0;
}

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

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

.page-body p {
    font-size: 16px;
    color: var(--body);
    line-height: 1.7;
    margin-bottom: 18px;
}

.page-body ul {
    padding-left: 24px;
    margin-bottom: 18px;
}

.page-body li {
    font-size: 16px;
    color: var(--body);
    line-height: 1.7;
    margin-bottom: 6px;
}

.updated-note {
    font-size: 13px;
    color: var(--muted);
    margin-top: 48px;
    padding-top: 24px;
    border-top: 1px solid var(--hairline);
}

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

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

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

.contact-info p {
    font-size: 16px;
    color: var(--body);
    line-height: 1.6;
    margin-bottom: 12px;
}

.contact-detail {
    font-size: 14px;
    color: var(--muted);
    margin-top: 32px;
}

.contact-detail p { margin-bottom: 6px; }

.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);
    border: 1px solid var(--hairline-strong);
    border-radius: 8px;
    padding: 12px 16px;
    font-size: 16px;
    font-family: inherit;
    color: var(--ink);
    outline: none;
    transition: border-color 0.15s;
    height: 44px;
}

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

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

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--muted-soft);
}

.btn-submit {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--ink);
    color: var(--canvas);
    font-size: 14px;
    font-weight: 500;
    padding: 12px 20px;
    height: 44px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    font-family: inherit;
    transition: opacity 0.15s;
}

.btn-submit:hover { opacity: 0.85; }
.btn-submit:disabled { opacity: 0.5; cursor: not-allowed; }

.form-message {
    display: none;
    margin-top: 16px;
    padding: 14px 18px;
    border-radius: 8px;
    font-size: 14px;
}

.form-message.success {
    background: #edf7f2;
    border: 1px solid #b7e0cc;
    color: var(--success);
}

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

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
}

.footer-brand .nav-logo {
    font-size: 16px;
    display: block;
    margin-bottom: 12px;
}

.footer-desc {
    font-size: 14px;
    color: var(--body);
    line-height: 1.6;
    max-width: 260px;
}

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

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

.footer-col li { margin-bottom: 10px; }

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

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

.footer-bottom {
    max-width: 1200px;
    margin: 48px auto 0;
    padding: 24px 24px 0;
    border-top: 1px solid var(--hairline);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.footer-links-bottom {
    display: flex;
    gap: 24px;
    list-style: none;
}

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

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

/* COOKIE BANNER */
#cookie-banner {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 48px);
    max-width: 760px;
    background: var(--ink);
    color: var(--canvas);
    border-radius: 12px;
    padding: 20px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    z-index: 999;
    box-shadow: 0 4px 24px rgba(0,0,0,0.12);
}

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

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

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

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

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

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

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

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

/* FEATURED STRIP */
.featured-strip {
    padding: 48px 0;
    border-bottom: 1px solid var(--hairline);
    background: var(--surface-card);
}

.strip-label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    text-align: center;
    margin-bottom: 32px;
}

.strip-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--hairline);
    border: 1px solid var(--hairline);
    border-radius: 12px;
    overflow: hidden;
}

.strip-item {
    background: var(--surface-card);
    padding: 28px 24px;
    text-align: center;
}

.strip-item-num {
    font-size: 32px;
    font-weight: 400;
    letter-spacing: -0.72px;
    color: var(--ink);
    line-height: 1;
    margin-bottom: 8px;
}

.strip-item-label {
    font-size: 14px;
    color: var(--body);
    line-height: 1.4;
}

/* RESPONSIVE */
@media (max-width: 1024px) {
    .hero h1 { font-size: 56px; letter-spacing: -1.5px; }
    .card-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-inner { grid-template-columns: 1fr 1fr; gap: 32px; }
    .contact-grid { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .nav-hamburger { display: block; }
    .nav-links.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--canvas);
        border-bottom: 1px solid var(--hairline);
        padding: 16px 24px;
        gap: 16px;
    }
    .hero h1 { font-size: 36px; letter-spacing: -1px; }
    .hero-image-wrap img { height: 260px; }
    .section-title { font-size: 28px; }
    .article-title { font-size: 32px; letter-spacing: -0.8px; }
    .page-title { font-size: 32px; }
    .card-grid { grid-template-columns: 1fr; }
    .info-grid { grid-template-columns: 1fr; }
    .strip-grid { grid-template-columns: 1fr; }
    .footer-inner { grid-template-columns: 1fr; gap: 24px; }
    .footer-bottom { flex-direction: column; gap: 12px; align-items: flex-start; }
    #cookie-banner { flex-direction: column; bottom: 16px; }
    .cookie-buttons { width: 100%; }
    .btn-cookie-accept, .btn-cookie-reject { flex: 1; text-align: center; }
}

@media (max-width: 640px) {
    .hero { padding: 48px 0; }
    .section { padding: 48px 0; }
    .article-body { padding: 40px 0; }
}