*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-body); background: var(--color-bg); color: var(--color-text); line-height: 1.65; min-height: 100vh; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-secondary); }
.container { width: min(1140px, 92%); margin: 0 auto; }
h1, h2, h3, h4 { font-family: var(--font-heading); line-height: 1.25; color: var(--color-primary); }
h1 { font-size: clamp(2rem, 5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); margin-bottom: 1rem; }
p { margin-bottom: 1rem; color: var(--color-text-muted); }

.site-header { position: sticky; top: 0; z-index: 100; background: var(--color-bg-white); border-bottom: 1px solid var(--color-border); padding: 1rem 0; box-shadow: var(--shadow); }
.site-header .container { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.logo { font-family: var(--font-heading); font-weight: 700; font-size: 1.35rem; color: var(--color-primary); }
.logo span { color: var(--color-accent); }
.logo-sub { display: block; font-family: var(--font-body); font-size: 0.62rem; font-weight: 400; color: var(--color-text-muted); letter-spacing: 0.06em; text-transform: uppercase; }
.main-nav ul { display: flex; list-style: none; gap: 1.25rem; flex-wrap: wrap; }
.main-nav a { color: var(--color-text-muted); font-size: 0.95rem; font-weight: 600; }
.main-nav a:hover, .main-nav a.active { color: var(--color-primary); }

.btn { display: inline-block; padding: 0.75rem 1.5rem; border-radius: var(--radius); font-weight: 700; font-size: 0.95rem; cursor: pointer; border: none; transition: transform 0.2s; }
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-secondary); color: #fff; }
.btn-outline { background: transparent; border: 2px solid var(--color-primary); color: var(--color-primary); }

.hero { background: linear-gradient(135deg, #0a7c5c 0%, #14a07c 60%, #00b4d8 100%); color: #fff; padding: 5rem 0; text-align: center; }
.hero h1 { color: #fff; margin-bottom: 1rem; }
.hero p.lead { font-size: 1.15rem; max-width: 720px; margin: 0 auto 2rem; color: rgba(255,255,255,0.95); }
.hero-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.hero .btn-outline { border-color: #fff; color: #fff; }
.hero .btn-primary { background: #fff; color: var(--color-primary); }

section { padding: 4rem 0; }
.section-alt { background: var(--color-bg-white); }
.section-header { text-align: center; max-width: 680px; margin: 0 auto 2.5rem; }

.cards-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.5rem; }
.card { background: var(--color-bg-white); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 2rem; box-shadow: var(--shadow); transition: transform 0.2s; }
.section-alt .card { background: var(--color-bg); }
.card:hover { transform: translateY(-3px); }
.card-icon { font-size: 2rem; margin-bottom: 1rem; }
.card-tag { display: inline-block; font-size: 0.75rem; background: rgba(10,124,92,0.12); color: var(--color-primary); padding: 0.2rem 0.65rem; border-radius: 999px; margin-bottom: 0.75rem; font-weight: 600; }

.article-list { display: grid; gap: 1.25rem; }
.article-item { display: grid; grid-template-columns: auto 1fr; gap: 1.25rem; background: var(--color-bg-white); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 1.5rem; box-shadow: var(--shadow); }
.article-item .date { font-size: 0.85rem; color: var(--color-accent); font-weight: 700; white-space: nowrap; }

.research-block { background: linear-gradient(135deg, rgba(10,124,92,0.08), rgba(0,180,216,0.08)); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 2.5rem; }
.research-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 1.5rem; margin-top: 1.5rem; }
.research-stat { text-align: center; }
.research-stat .num { font-family: var(--font-heading); font-size: 2rem; font-weight: 700; color: var(--color-primary); }

.topics { display: flex; flex-wrap: wrap; gap: 0.75rem; justify-content: center; }
.topic-tag { padding: 0.5rem 1rem; background: var(--color-bg-white); border: 1px solid var(--color-border); border-radius: 999px; font-size: 0.9rem; color: var(--color-text-muted); font-weight: 600; }

.cta-block { text-align: center; padding: 3rem 2rem; background: var(--color-primary); color: #fff; border-radius: var(--radius); }
.cta-block h2, .cta-block p { color: rgba(255,255,255,0.95); }
.cta-block .btn-primary { background: #fff; color: var(--color-primary); }

.page-header { padding: 3rem 0 2rem; background: var(--color-bg-white); border-bottom: 1px solid var(--color-border); }
.breadcrumbs { font-size: 0.85rem; color: var(--color-text-muted); margin-bottom: 0.75rem; }
.content-block { padding: 3rem 0; }
.content-block ul, .content-block ol { margin: 0 0 1rem 1.5rem; color: var(--color-text-muted); }

.contact-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; }
form .form-group { margin-bottom: 1.25rem; }
form label { display: block; margin-bottom: 0.4rem; font-size: 0.9rem; color: var(--color-text-muted); font-weight: 600; }
form input, form textarea, form select { width: 100%; padding: 0.75rem 1rem; border: 1px solid var(--color-border); border-radius: var(--radius); font-family: var(--font-body); font-size: 1rem; background: #fff; }
form textarea { min-height: 140px; resize: vertical; }

.faq-item { background: var(--color-bg-white); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 1.5rem; margin-bottom: 1rem; box-shadow: var(--shadow); }
.faq-item h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }

.legal-table { width: 100%; border-collapse: collapse; margin: 1rem 0; font-size: 0.9rem; }
.legal-table th, .legal-table td { border: 1px solid var(--color-border); padding: 0.75rem; text-align: left; }
.legal-table th { background: var(--color-bg); }

.disclaimer { font-size: 0.85rem; padding: 1rem 1.25rem; background: rgba(0,180,216,0.08); border-left: 4px solid var(--color-accent); border-radius: 0 var(--radius) var(--radius) 0; margin: 2rem 0; color: var(--color-text-muted); }

.site-footer { background: var(--color-primary); color: rgba(255,255,255,0.9); padding: 3rem 0 1.5rem; margin-top: 3rem; }
.site-footer a { color: rgba(255,255,255,0.9); }
.site-footer a:hover { color: #fff; }
.site-footer .logo { color: #fff; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 2rem; margin-bottom: 2rem; }
.footer-grid h4 { color: #fff; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 1rem; }
.footer-grid ul { list-style: none; }
.footer-grid li { margin-bottom: 0.5rem; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.2); padding-top: 1.5rem; text-align: center; font-size: 0.85rem; }
.footer-official { margin-top: 0.75rem; font-size: 0.8rem; opacity: 0.85; font-style: italic; }

@media (max-width: 768px) { .hero { padding: 3rem 0; } .article-item { grid-template-columns: 1fr; } }