:root {
  --bg: #0b0d12;
  --bg-elev: #11141b;
  --bg-card: #141822;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --text: #e6e8ee;
  --text-muted: #9aa1ac;
  --text-soft: #c8ccd4;
  --accent: #4f7cff;
  --accent-2: #7c5cff;
  --accent-soft: rgba(79, 124, 255, 0.12);
  --success: #22c55e;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  --radius: 14px;
}
html.light {
  --bg: #f7f8fb;
  --bg-elev: #ffffff;
  --bg-card: #ffffff;
  --border: rgba(15, 23, 42, 0.08);
  --border-strong: rgba(15, 23, 42, 0.16);
  --text: #0f172a;
  --text-muted: #5b6472;
  --text-soft: #334155;
  --accent: #3a64f0;
  --accent-2: #6b46e5;
  --accent-soft: rgba(58, 100, 240, 0.10);
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, sans-serif;
  background: var(--bg); color: var(--text); line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background 0.25s ease, color 0.25s ease;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { font-weight: 700; font-size: 18px; letter-spacing: -0.01em; display: flex; align-items: center; gap: 10px; }
.brand-dot { width: 10px; height: 10px; border-radius: 50%; background: linear-gradient(135deg, var(--accent), var(--accent-2)); box-shadow: 0 0 12px var(--accent); }
.nav-links { display: flex; gap: 28px; }
.nav-links a { color: var(--text-muted); font-size: 14px; font-weight: 500; transition: color 0.2s ease; }
.nav-links a:hover { color: var(--text); }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.icon-btn {
  width: 38px; height: 38px; border-radius: 10px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--bg-elev); border: 1px solid var(--border);
  color: var(--text); cursor: pointer; transition: all 0.2s ease;
}
.icon-btn:hover { border-color: var(--border-strong); }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 18px; border-radius: 10px; font-weight: 600; font-size: 14px;
  transition: all 0.2s ease; border: 1px solid transparent; cursor: pointer;
}
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff; }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 8px 20px rgba(79, 124, 255, 0.35); }
.btn-ghost { background: var(--bg-elev); color: var(--text); border: 1px solid var(--border); }
.btn-ghost:hover { border-color: var(--border-strong); }
.menu-btn { display: none; }
.mobile-menu { display: none; position: fixed; top: 64px; left: 0; right: 0; z-index: 49; background: var(--bg-elev); border-bottom: 1px solid var(--border); padding: 16px 24px; }
.mobile-menu a { display: block; padding: 10px 0; color: var(--text-muted); font-weight: 500; border-bottom: 1px solid var(--border); }
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu.open { display: block; }

/* Page hero */
.page-hero { padding: 88px 0 48px; text-align: center; }
.page-hero h1 { font-size: clamp(32px, 4.6vw, 52px); font-weight: 800; letter-spacing: -0.02em; margin: 14px 0 18px; line-height: 1.1; }
.page-hero .lead { font-size: 18px; color: var(--text-muted); max-width: 680px; margin: 0 auto; }
.eyebrow { font-size: 13px; font-weight: 600; color: var(--accent); letter-spacing: 0.08em; text-transform: uppercase; }

/* Sections */
.page-section { padding: 56px 0; }
.page-section.alt { background: var(--bg-elev); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.text-center { text-align: center; }
h2 { font-size: clamp(26px, 3vw, 36px); font-weight: 700; letter-spacing: -0.02em; margin: 8px 0 12px; }

/* Grids */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

/* Cards */
.card-lg {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px; transition: all 0.25s ease;
}
.card-lg:hover { border-color: var(--border-strong); transform: translateY(-3px); }
.card-lg h2, .card-lg h3 { margin: 0 0 10px; }
.card-lg h2 { font-size: 22px; }
.card-lg h3 { font-size: 18px; font-weight: 600; }
.card-lg p { margin: 0 0 12px; color: var(--text-muted); font-size: 14.5px; }
.card-icon {
  width: 44px; height: 44px; border-radius: 10px; display: inline-flex;
  align-items: center; justify-content: center;
  background: var(--accent-soft); color: var(--accent); font-size: 18px;
  margin-bottom: 16px;
}
.checks { list-style: none; padding: 0; margin: 14px 0; }
.checks li { padding: 5px 0 5px 24px; position: relative; color: var(--text-soft); font-size: 14px; }
.checks li::before { content: '✓'; position: absolute; left: 0; color: var(--success); font-weight: 700; }
.price-line { color: var(--text-soft); font-size: 14px; margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--border); }
.price-line strong { color: var(--text); font-size: 17px; }

/* Logos / tiles */
.logos { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 28px; }
.logo-tile { padding: 18px; text-align: center; border: 1px solid var(--border); border-radius: 12px; background: var(--bg-card); color: var(--text-soft); font-weight: 500; font-size: 14px; }

/* Platforms page */
.platforms-page { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.platform-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; text-align: center; transition: all 0.25s ease; }
.platform-card:hover { border-color: var(--border-strong); transform: translateY(-3px); }
.platform-card i { font-size: 36px; margin-bottom: 12px; }
.platform-card h3 { margin: 0 0 8px; font-size: 18px; }
.platform-card p { margin: 0; color: var(--text-muted); font-size: 14px; }

/* Contact form */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 32px; align-items: start; }
.contact-channels { display: flex; flex-direction: column; gap: 12px; }
.channel { display: flex; align-items: center; gap: 14px; padding: 16px; border: 1px solid var(--border); border-radius: 12px; background: var(--bg-card); transition: all 0.2s ease; }
.channel:hover { border-color: var(--border-strong); transform: translateY(-2px); }
.channel-icon { width: 44px; height: 44px; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 20px; flex-shrink: 0; }
.channel-label { font-size: 12px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; }
.channel-value { font-size: 15px; color: var(--text); font-weight: 500; margin-top: 2px; }
.contact-form { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-group { margin-bottom: 16px; display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 13px; font-weight: 500; color: var(--text-soft); }
.form-group input, .form-group textarea {
  width: 100%; padding: 12px 14px; border-radius: 10px;
  background: var(--bg-elev); border: 1px solid var(--border);
  color: var(--text); font-family: inherit; font-size: 14.5px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.form-group textarea { resize: vertical; min-height: 120px; }
.form-status { margin-top: 12px; font-size: 14px; min-height: 20px; }
.form-status.success { color: var(--success); }
.form-status.error { color: #ef4444; }

/* CTA */
.cta-section { padding: 64px 0; }
.cta-box { background: linear-gradient(135deg, var(--accent), var(--accent-2)); border-radius: 20px; padding: 48px 36px; text-align: center; color: #fff; position: relative; overflow: hidden; }
.cta-box h2 { font-size: clamp(24px, 3vw, 34px); margin: 0 0 12px; font-weight: 700; }
.cta-box p { margin: 0 0 24px; opacity: 0.95; max-width: 520px; margin-left: auto; margin-right: auto; }
.cta-box .btn { background: #fff; color: var(--accent); }

/* Footer */
footer { border-top: 1px solid var(--border); padding: 48px 0 24px; color: var(--text-muted); font-size: 14px; }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.3fr; gap: 36px; margin-bottom: 32px; }
.foot-grid a { display: flex; align-items: center; gap: 8px; color: var(--text-muted); padding: 5px 0; font-size: 14px; transition: color 0.2s ease; }
.foot-grid a:hover { color: var(--text); }
.foot-title { font-size: 12px; font-weight: 600; color: var(--text); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 12px; }
.foot-bottom { padding-top: 20px; border-top: 1px solid var(--border); text-align: center; color: var(--text-muted); font-size: 13px; }
.socials { display: flex; gap: 8px; }

/* WA Float */
.wa-float { position: fixed; bottom: 22px; right: 22px; z-index: 100; width: 56px; height: 56px; border-radius: 50%; background: #25D366; color: #fff; display: flex; align-items: center; justify-content: center; font-size: 26px; box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4); transition: transform 0.2s ease; }
.wa-float:hover { transform: scale(1.08); }

@media (max-width: 900px) {
  .grid-2, .grid-3, .platforms-page, .contact-grid, .form-row { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .menu-btn { display: inline-flex; }
  .logos { grid-template-columns: repeat(2, 1fr); }
  .foot-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
}
@media (max-width: 480px) { .foot-grid { grid-template-columns: 1fr; } }