:root {
  --bg: #f5f7fb;
  --surface: #ffffff;
  --text: #162033;
  --muted: #667085;
  --line: #dde3ee;
  --primary: #1b6f68;
  --primary-2: #123f5c;
  --accent: #d99532;
  --danger: #b42318;
  --success: #027a48;
  --shadow: 0 18px 50px rgba(23, 35, 61, .12);
}
* { box-sizing: border-box; }
body { margin: 0; font-family: Arial, Helvetica, sans-serif; color: var(--text); background: var(--bg); line-height: 1.55; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
input, textarea, select, button { font: inherit; }
.site-header { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: 24px; padding: 16px clamp(18px, 4vw, 56px); background: rgba(255,255,255,.94); border-bottom: 1px solid var(--line); backdrop-filter: blur(12px); }
.brand, .admin-logo { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: 0; }
.brand small { display: block; font-size: 10px; color: var(--muted); font-weight: 700; }
.brand-mark { width: 34px; height: 34px; display: grid; place-items: center; color: #fff; background: var(--primary); border-radius: 8px; }
.main-nav { display: flex; align-items: center; gap: 15px; margin-left: auto; font-size: 14px; color: #344054; }
.main-nav a:hover { color: var(--primary); }
.header-contact, .button-primary, .button-secondary { display: inline-flex; align-items: center; justify-content: center; min-height: 42px; padding: 10px 16px; border-radius: 8px; border: 1px solid transparent; font-weight: 700; cursor: pointer; }
.header-contact, .button-primary { background: var(--primary); color: #fff; }
.button-secondary { background: #fff; color: var(--text); border-color: var(--line); }
.menu-toggle { display: none; margin-left: auto; border: 1px solid var(--line); background: #fff; border-radius: 8px; width: 42px; height: 42px; }
.hero { min-height: 560px; display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(280px, .55fr); gap: 32px; align-items: center; padding: clamp(44px, 7vw, 92px) clamp(18px, 5vw, 72px); background: linear-gradient(135deg, #eef5f3 0%, #ffffff 48%, #f9efe1 100%); }
.hero h1 { margin: 10px 0 18px; max-width: 820px; font-size: clamp(40px, 6vw, 76px); line-height: .98; letter-spacing: 0; }
.hero p, .lead { max-width: 760px; color: var(--muted); font-size: 18px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 26px; }
.hero-card { align-self: stretch; min-height: 310px; display: flex; flex-direction: column; justify-content: end; padding: 28px; color: #fff; border-radius: 8px; background: linear-gradient(160deg, rgba(18,63,92,.95), rgba(27,111,104,.92)), url('https://images.unsplash.com/photo-1581091226825-a6a2a5aee158?auto=format&fit=crop&w=900&q=80') center/cover; box-shadow: var(--shadow); }
.hero-card strong { font-size: 28px; }
.kicker { color: var(--accent); font-weight: 800; font-size: 12px; letter-spacing: .08em; }
.grid-section, .page-wrap { padding: 48px clamp(18px, 5vw, 72px); max-width: 1240px; margin: 0 auto; }
.grid-section h2, .page-heading h1 { font-size: clamp(30px, 4vw, 48px); margin: 0 0 24px; letter-spacing: 0; }
.cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.card { min-height: 168px; padding: 22px; background: var(--surface); border: 1px solid var(--line); border-radius: 8px; box-shadow: 0 8px 25px rgba(16, 24, 40, .05); transition: transform .18s ease, border-color .18s ease; }
.card:hover { transform: translateY(-3px); border-color: rgba(27,111,104,.45); }
.card span { display: block; font-weight: 800; font-size: 18px; margin-bottom: 8px; }
.card p { color: var(--muted); margin: 0; }
.content-card img { width: 100%; height: 180px; object-fit: cover; border-radius: 6px; margin-bottom: 14px; }
.cta { margin: 40px clamp(18px, 5vw, 72px) 60px; padding: clamp(28px, 5vw, 56px); background: var(--primary-2); color: #fff; border-radius: 8px; }
.cta p { color: rgba(255,255,255,.78); max-width: 760px; }
.site-footer { display: grid; grid-template-columns: 1.4fr .8fr .8fr; gap: 30px; padding: 36px clamp(18px, 5vw, 72px); background: #111827; color: #fff; }
.site-footer p, .site-footer span { color: rgba(255,255,255,.72); }
.site-footer a { display: block; margin: 6px 0; color: rgba(255,255,255,.8); }
.page-heading { margin-bottom: 28px; }
.article { max-width: 860px; margin: 0 auto; }
.article h1 { font-size: clamp(34px, 5vw, 60px); line-height: 1.05; margin: 12px 0 18px; }
.article-cover { width: 100%; max-height: 460px; object-fit: cover; border-radius: 8px; margin: 24px 0; }
.article-body { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 28px; }
.panel-form { display: grid; gap: 14px; max-width: 620px; }
.panel-form.wide { max-width: 920px; }
.panel-form.inline { display: flex; max-width: none; align-items: end; flex-wrap: wrap; }
label { display: grid; gap: 6px; font-weight: 700; color: #344054; }
input, textarea, select { width: 100%; border: 1px solid var(--line); border-radius: 8px; background: #fff; padding: 11px 12px; color: var(--text); }
textarea { resize: vertical; }
button { border: 0; }
.hp { position: absolute; left: -9999px; }
.flash { margin: 12px 0; padding: 12px 14px; border-radius: 8px; border: 1px solid var(--line); background: #fff; }
.flash.success { border-color: rgba(2,122,72,.35); color: var(--success); }
.flash.error { border-color: rgba(180,35,24,.35); color: var(--danger); }
.install, .login-card { width: min(680px, calc(100% - 32px)); margin: 8vh auto; padding: 28px; background: #fff; border: 1px solid var(--line); border-radius: 8px; box-shadow: var(--shadow); }
.login-body { min-height: 100vh; display: grid; place-items: center; background: linear-gradient(135deg, #123f5c, #1b6f68); }
.login-card { margin: 0; }
.admin-body { display: grid; grid-template-columns: 260px minmax(0, 1fr); min-height: 100vh; }
.admin-sidebar { background: #101828; color: #fff; padding: 22px; position: sticky; top: 0; height: 100vh; overflow: auto; }
.admin-logo { margin-bottom: 22px; font-size: 18px; }
.admin-sidebar nav { display: grid; gap: 4px; }
.admin-sidebar a, .link-button { width: 100%; text-align: left; color: rgba(255,255,255,.84); padding: 10px 12px; border-radius: 8px; background: transparent; cursor: pointer; }
.admin-sidebar a:hover, .link-button:hover { background: rgba(255,255,255,.09); color: #fff; }
.admin-main { padding: 28px; overflow-x: auto; }
.admin-top { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 20px; }
.admin-top h1 { margin: 0; }
.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin-bottom: 22px; }
.stat, .admin-panel { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 18px; }
.stat span { color: var(--muted); font-size: 13px; }
.stat strong { display: block; font-size: 34px; margin-top: 4px; }
table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
th, td { text-align: left; border-bottom: 1px solid var(--line); padding: 12px; vertical-align: top; }
th { background: #f8fafc; font-size: 13px; color: #475467; }
.row-actions { display: flex; gap: 10px; align-items: center; }
.row-actions button, .row-actions a { color: var(--primary); background: none; cursor: pointer; padding: 0; }
.admin-actions { margin-bottom: 14px; }
.two-col { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.thumb { width: 180px; height: 120px; object-fit: cover; border-radius: 8px; border: 1px solid var(--line); }
@media (max-width: 920px) {
  .site-header { flex-wrap: wrap; }
  .menu-toggle { display: inline-grid; place-items: center; }
  .main-nav { display: none; width: 100%; order: 5; flex-direction: column; align-items: stretch; margin-left: 0; }
  .main-nav.open { display: flex; }
  .header-contact { display: none; }
  .hero, .cards, .site-footer, .admin-body, .stats, .two-col { grid-template-columns: 1fr; }
  .admin-sidebar { position: static; height: auto; }
  .hero { min-height: auto; }
}
@media (max-width: 560px) {
  .hero h1 { font-size: 38px; }
  .grid-section, .page-wrap, .admin-main { padding: 26px 16px; }
  th, td { min-width: 130px; }
}