:root {
  --primary: #0f766e;
  --background: #0b1220;
  --surface: #121b2e;
  --text: #e6edf7;
  --muted: #9fb0c7;
  --accent: #60a5fa;
  --hero-opacity: 0.12;
  --border: rgba(255,255,255,0.12);
  --shadow: 0 20px 60px rgba(0,0,0,0.25);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--background);
  color: var(--text);
}

a { color: inherit; text-decoration: none; }
.container { width: min(1120px, calc(100% - 2rem)); margin: 0 auto; }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.site-header {
  position: sticky; top: 0; z-index: 40;
  backdrop-filter: blur(14px);
  background: color-mix(in srgb, var(--background) 78%, transparent);
  border-bottom: 1px solid var(--border);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 0;
}
.brand-wrap { display:flex; align-items:center; gap: .75rem; }
.brand {
  font-size: 1.35rem; font-weight: 800; letter-spacing: -.03em;
}
.brand-logo {
  width: 40px; height: 40px; object-fit: contain; border-radius: 10px; background: rgba(255,255,255,.06); padding: .2rem;
}
.nav-links { display:flex; flex-wrap: wrap; gap: 1rem; }
.nav-links a { color: var(--muted); }
.nav-links a:hover { color: var(--text); }
.hero {
  position: relative;
  overflow: hidden;
  padding: 6rem 0 4rem;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 20% 20%, color-mix(in srgb, var(--primary) 55%, transparent) 0, transparent 35%),
    radial-gradient(circle at 85% 10%, color-mix(in srgb, var(--accent) 50%, transparent) 0, transparent 25%),
    linear-gradient(120deg, rgba(255,255,255,var(--hero-opacity)) 0, transparent 60%);
  pointer-events: none;
}
.hero-grid {
  position: relative;
  display:grid; grid-template-columns: 1.3fr .9fr; gap: 2rem; align-items: center;
}
.hero h1 { font-size: clamp(2.5rem, 4vw, 4.6rem); line-height: .98; letter-spacing: -.05em; margin: 0 0 1rem; }
.hero p { color: var(--muted); font-size: 1.1rem; line-height: 1.65; max-width: 58ch; }
.hero-actions { display:flex; gap: 1rem; flex-wrap: wrap; margin-top: 1.5rem; }
.btn {
  display:inline-flex; align-items:center; justify-content:center;
  border: none; border-radius: 14px; padding: .9rem 1.2rem;
  background: var(--primary); color: #fff; font-weight: 700; cursor:pointer;
  box-shadow: var(--shadow);
}
.btn-secondary {
  background: rgba(255,255,255,0.05); color: var(--text); border: 1px solid var(--border); box-shadow:none;
}
.hero-card, .panel, .card {
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  border: 1px solid var(--border);
  border-radius: 22px; box-shadow: var(--shadow);
}
.hero-card { padding: 1.4rem; }
.metric-grid { display:grid; grid-template-columns: repeat(2,1fr); gap: 1rem; }
.metric { padding: 1rem; border-radius: 18px; background: rgba(255,255,255,.04); border:1px solid var(--border); }
.metric strong { display:block; font-size:1.8rem; }
.section { padding: 4rem 0; }
.section-heading { max-width: 68ch; margin-bottom: 2rem; }
.section-heading h2 { font-size: clamp(1.75rem, 3vw, 3rem); margin: 0 0 .6rem; letter-spacing: -.04em; }
.section-heading p { color: var(--muted); line-height: 1.7; }
.cards-grid { display:grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.card { padding: 1.3rem; }
.card h3 { margin-top: 0; }
.flow-band {
  display:flex; flex-wrap:wrap; gap: .8rem; align-items:center;
  background: rgba(255,255,255,.04); border:1px solid var(--border); border-radius: 18px; padding: 1rem;
}
.flow-step {
  padding: .7rem .95rem; border-radius: 999px; background: rgba(255,255,255,.05); border:1px solid var(--border); font-weight: 600;
}
.arrow { color: var(--accent); font-weight: 900; }
.bullets { display:grid; gap: .75rem; padding-left: 1.2rem; }
.cta-banner {
  display:grid; grid-template-columns: 1.2fr auto; gap: 1rem; align-items:center;
  padding: 1.5rem;
}
.site-footer { border-top: 1px solid var(--border); padding: 2rem 0 3rem; }
.footer-grid { display:grid; grid-template-columns: repeat(3,1fr); gap: 1rem; }

.admin-body { background: #f3f6fb; color: #0f172a; }
.admin-body .site-header { background: rgba(255,255,255,.86); }
.admin-layout { display:grid; grid-template-columns: 320px 1fr; gap: 1rem; padding: 1rem 0 2rem; }
.admin-sidebar, .admin-main .panel { background: #fff; border-color: rgba(15,23,42,.08); box-shadow: 0 12px 32px rgba(15,23,42,.08); }
.admin-sidebar { padding: 1rem; position: sticky; top: 84px; height: fit-content; }
.admin-main { display:grid; gap: 1rem; }
.panel { padding: 1rem; }
.form-grid { display:grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: .9rem; }
label { display:grid; gap: .4rem; font-weight: 600; font-size: .94rem; }
input[type="text"], input[type="email"], textarea {
  width:100%; border:1px solid rgba(15,23,42,.12); border-radius:12px; padding:.8rem; font: inherit;
}
input[type="color"] { width:100%; height:44px; border:none; background:none; padding:0; }
input[type="range"] { width:100%; }
.section-heading-row { display:flex; justify-content:space-between; align-items:center; gap:1rem; }
.nav-item-editor, .section-editor {
  border: 1px solid rgba(15,23,42,.1); border-radius: 16px; padding: .9rem; margin-bottom: .85rem; background: #fff;
}
.section-editor.dragging { opacity: .55; }
.editor-actions { display:flex; gap:.5rem; flex-wrap: wrap; margin-top: .75rem; }
.sections-editor .handle { cursor: move; font-weight: 800; color: #475569; }
.dropzone {
  border: 2px dashed rgba(15,23,42,.18); border-radius: 16px; padding: 1rem; text-align:center; cursor:pointer; background:#f8fafc;
}
.dropzone.drag-over { border-color: var(--primary); background: rgba(15,118,110,.06); }
.file-btn { text-align:center; }
.sticky-actions { position: sticky; bottom: 1rem; display:flex; gap: .75rem; justify-content:flex-end; }

@media (max-width: 920px) {
  .hero-grid, .cta-banner, .admin-layout, .footer-grid { grid-template-columns: 1fr; }
  .cards-grid, .form-grid { grid-template-columns: 1fr; }
  .admin-sidebar { position: static; }
}