@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;
    --card:         #ffffff;
    --surface-strong: #e6e5e0;
    --hairline:     #e6e5e0;
    --hairline-soft: #efeee8;
    --hairline-strong: #cfcdc4;
    --ink:          #26251e;
    --body:         #5a5852;
    --muted:        #807d72;
    --muted-soft:   #a09c92;
    --primary:      #f54e00;
    --primary-active: #d04200;
    --on-primary:   #ffffff;
    --success:      #1f8a65;
    --error:        #cf2d56;
    --radius-xs:    4px;
    --radius-sm:    6px;
    --radius-md:    8px;
    --radius-lg:    12px;
    --radius-xl:    16px;
    --radius-pill:  9999px;
}

html { font-size: 16px; scroll-behavior: smooth; }

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

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

.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 {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.nav-brand {
    font-size: 16px;
    font-weight: 600;
    color: var(--ink);
    letter-spacing: -0.01em;
}
.nav-links {
    display: flex;
    gap: 28px;
    align-items: center;
}
.nav-links a {
    font-size: 14px;
    font-weight: 500;
    color: var(--body);
    line-height: 1.4;
    transition: color 0.15s;
}
.nav-links a:hover { color: var(--ink); }
.nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 22px;
    cursor: pointer;
    color: var(--ink);
    padding: 4px 8px;
}

.hero {
    background: var(--canvas);
    padding: 80px 24px 64px;
    text-align: center;
    border-bottom: 1px solid var(--hairline);
}
.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);
    border-radius: var(--radius-pill);
    padding: 4px 10px;
    margin-bottom: 24px;
}
.hero h1 {
    font-size: 56px;
    font-weight: 400;
    line-height: 1.1;
    letter-spacing: -1.5px;
    color: var(--ink);
    max-width: 760px;
    margin: 0 auto 20px;
}
.hero-sub {
    font-size: 18px;
    font-weight: 400;
    color: var(--body);
    max-width: 580px;
    margin: 0 auto 40px;
    line-height: 1.5;
}
.hero-image {
    max-width: 900px;
    margin: 0 auto;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--hairline);
}
.hero-image img { width: 100%; height: 400px; object-fit: cover; }

.section {
    padding: 80px 24px;
    max-width: 1200px;
    margin: 0 auto;
}
.section-label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 16px;
    display: block;
}
.section-title {
    font-size: 36px;
    font-weight: 400;
    letter-spacing: -0.72px;
    color: var(--ink);
    line-height: 1.2;
    margin-bottom: 16px;
}
.section-desc {
    font-size: 16px;
    color: var(--body);
    max-width: 600px;
    margin-bottom: 48px;
    line-height: 1.5;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.card {
    background: var(--card);
    border: 1px solid var(--hairline);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: border-color 0.15s;
}
.card:hover { border-color: var(--hairline-strong); }
.card-image { width: 100%; height: 200px; object-fit: cover; }
.card-body { padding: 24px; }
.card-tag {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 10px;
    display: block;
}
.card-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    line-height: 1.35;
    margin-bottom: 10px;
}
.card-excerpt {
    font-size: 14px;
    color: var(--body);
    line-height: 1.5;
    margin-bottom: 16px;
}
.card-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--ink);
    border-bottom: 1px solid var(--hairline-strong);
    padding-bottom: 1px;
}
.card-link:hover { border-color: var(--ink); }

.divider {
    border: none;
    border-top: 1px solid var(--hairline);
    margin: 0;
}

.info-band {
    background: var(--canvas-soft);
    border-top: 1px solid var(--hairline);
    border-bottom: 1px solid var(--hairline);
    padding: 80px 24px;
}
.info-band-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}
.info-band-text h2 {
    font-size: 36px;
    font-weight: 400;
    letter-spacing: -0.72px;
    color: var(--ink);
    line-height: 1.2;
    margin-bottom: 16px;
}
.info-band-text p {
    font-size: 16px;
    color: var(--body);
    line-height: 1.6;
    margin-bottom: 16px;
}
.info-band-text p:last-child { margin-bottom: 0; }
.info-band-image { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--hairline); }
.info-band-image img { width: 100%; height: 340px; object-fit: cover; }

.tips-section {
    padding: 80px 24px;
    max-width: 1200px;
    margin: 0 auto;
}
.tips-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 48px;
}
.tip-card {
    background: var(--card);
    border: 1px solid var(--hairline);
    border-radius: var(--radius-lg);
    padding: 28px;
}
.tip-number {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 12px;
    display: block;
}
.tip-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 10px;
}
.tip-card p {
    font-size: 15px;
    color: var(--body);
    line-height: 1.6;
}

.contact-section {
    background: var(--canvas-soft);
    border-top: 1px solid var(--hairline);
    padding: 80px 24px;
}
.contact-inner {
    max-width: 640px;
    margin: 0 auto;
}
.contact-inner .section-title { text-align: center; }
.contact-inner .section-desc { text-align: center; margin: 0 auto 40px; }

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 20px;
}
.form-group label {
    font-size: 13px;
    font-weight: 600;
    color: var(--ink);
    letter-spacing: 0;
}
.form-group input,
.form-group textarea {
    background: var(--card);
    border: 1px solid var(--hairline-strong);
    border-radius: var(--radius-md);
    padding: 12px 16px;
    font-size: 16px;
    font-family: inherit;
    color: var(--ink);
    height: 44px;
    outline: none;
    transition: border-color 0.15s;
    width: 100%;
}
.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-primary {
    background: var(--primary);
    color: var(--on-primary);
    border: none;
    border-radius: var(--radius-md);
    padding: 10px 18px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    height: 40px;
    line-height: 1;
    transition: background 0.15s;
    width: 100%;
}
.btn-primary:hover { background: var(--primary-active); }
.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}
.form-msg {
    display: none;
    padding: 14px 18px;
    border-radius: var(--radius-md);
    font-size: 15px;
    margin-top: 16px;
    border: 1px solid var(--hairline);
    background: var(--card);
    color: var(--success);
    font-weight: 500;
}
.form-msg.visible { display: block; }

.article-hero {
    background: var(--canvas);
    padding: 64px 24px 48px;
    border-bottom: 1px solid var(--hairline);
}
.article-hero-inner {
    max-width: 760px;
    margin: 0 auto;
}
.article-tag {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    background: var(--surface-strong);
    border-radius: var(--radius-pill);
    padding: 4px 10px;
    margin-bottom: 20px;
}
.article-hero h1 {
    font-size: 40px;
    font-weight: 400;
    letter-spacing: -0.8px;
    color: var(--ink);
    line-height: 1.15;
    margin-bottom: 18px;
}
.article-meta {
    font-size: 13px;
    color: var(--muted);
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}
.article-meta span { display: flex; align-items: center; gap: 4px; }

.article-image-full {
    max-width: 760px;
    margin: 40px auto 0;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--hairline);
}
.article-image-full img { width: 100%; height: 380px; object-fit: cover; }

.article-body {
    max-width: 760px;
    margin: 48px auto;
    padding: 0 24px;
}
.article-body h2 {
    font-size: 26px;
    font-weight: 400;
    letter-spacing: -0.325px;
    color: var(--ink);
    margin: 40px 0 16px;
    line-height: 1.25;
}
.article-body h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--ink);
    margin: 28px 0 12px;
}
.article-body p {
    font-size: 16px;
    color: var(--body);
    line-height: 1.7;
    margin-bottom: 18px;
}
.article-body ul,
.article-body ol {
    margin: 0 0 18px 22px;
}
.article-body li {
    font-size: 16px;
    color: var(--body);
    line-height: 1.7;
    margin-bottom: 6px;
}
.article-body .note-block {
    background: var(--card);
    border: 1px solid var(--hairline);
    border-left: 3px solid var(--primary);
    border-radius: var(--radius-md);
    padding: 18px 20px;
    margin: 28px 0;
    font-size: 15px;
    color: var(--body);
    line-height: 1.6;
}
.article-body .note-block strong { color: var(--ink); }
.article-body a {
    color: var(--ink);
    border-bottom: 1px solid var(--hairline-strong);
}
.article-body a:hover { border-color: var(--ink); }
.article-body .source-ref {
    font-size: 13px;
    color: var(--muted);
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid var(--hairline);
}
.article-body .source-ref a { font-size: 13px; color: var(--muted); }

.page-body {
    max-width: 760px;
    margin: 60px auto;
    padding: 0 24px;
}
.page-body h1 {
    font-size: 36px;
    font-weight: 400;
    letter-spacing: -0.72px;
    color: var(--ink);
    margin-bottom: 24px;
}
.page-body h2 {
    font-size: 22px;
    font-weight: 600;
    color: var(--ink);
    margin: 32px 0 12px;
}
.page-body p {
    font-size: 16px;
    color: var(--body);
    line-height: 1.7;
    margin-bottom: 16px;
}
.page-body ul { margin: 0 0 16px 22px; }
.page-body li {
    font-size: 16px;
    color: var(--body);
    line-height: 1.7;
    margin-bottom: 6px;
}
.page-body a { color: var(--ink); border-bottom: 1px solid var(--hairline-strong); }
.page-body a:hover { border-color: var(--ink); }
.page-updated {
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 32px;
}

.site-footer {
    background: var(--canvas);
    border-top: 1px solid var(--hairline);
    padding: 64px 24px 48px;
}
.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}
.footer-brand {
    font-size: 16px;
    font-weight: 600;
    color: var(--ink);
    display: block;
    margin-bottom: 12px;
}
.footer-tagline {
    font-size: 14px;
    color: var(--body);
    line-height: 1.5;
}
.footer-heading {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    display: block;
    margin-bottom: 14px;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a {
    font-size: 14px;
    color: var(--body);
}
.footer-col ul li a:hover { color: var(--ink); }
.footer-col ul li:not(:has(a)) { font-size: 14px; color: var(--body); }
.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 24px;
    border-top: 1px solid var(--hairline);
    font-size: 13px;
    color: var(--muted);
}
.footer-bottom a { color: var(--muted); }
.footer-bottom a:hover { color: var(--ink); }

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--ink);
    color: var(--canvas);
    padding: 20px 24px;
    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: 24px;
    flex-wrap: wrap;
}
.cookie-text { font-size: 14px; color: var(--canvas); line-height: 1.5; }
.cookie-text a { color: var(--canvas); border-bottom: 1px solid rgba(247,247,244,0.4); }
.cookie-actions { display: flex; gap: 12px; flex-shrink: 0; }
.btn-cookie-accept {
    background: var(--primary);
    color: var(--on-primary);
    border: none;
    border-radius: var(--radius-md);
    padding: 9px 16px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    height: 36px;
}
.btn-cookie-accept:hover { background: var(--primary-active); }
.btn-cookie-reject {
    background: transparent;
    color: var(--canvas);
    border: 1px solid rgba(247,247,244,0.4);
    border-radius: var(--radius-md);
    padding: 9px 16px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    height: 36px;
}
.btn-cookie-reject:hover { border-color: var(--canvas); }

@media (max-width: 1024px) {
    .cards-grid { grid-template-columns: repeat(2, 1fr); }
    .info-band-inner { grid-template-columns: 1fr; gap: 40px; }
    .footer-inner { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 768px) {
    .hero h1 { font-size: 36px; letter-spacing: -0.8px; }
    .hero-sub { font-size: 16px; }
    .section-title { font-size: 28px; }
    .nav-links { display: none; 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; }
    .nav-links.open { display: flex; }
    .nav-toggle { display: block; }
    .cards-grid { grid-template-columns: 1fr; }
    .tips-grid { grid-template-columns: 1fr; }
    .footer-inner { grid-template-columns: 1fr; gap: 28px; }
    .article-hero h1 { font-size: 28px; }
    .hero-image img { height: 240px; }
    .article-image-full img { height: 220px; }
}
@media (max-width: 640px) {
    .hero { padding: 48px 16px 40px; }
    .section { padding: 48px 16px; }
    .hero h1 { font-size: 30px; }
    .cookie-inner { flex-direction: column; align-items: flex-start; }
}