:root {
  --bg: #f8fafc;
  --bg-alt: #eef2f7;
  --dark: #0f172a;
  --dark-2: #1e293b;
  --text: #334155;
  --heading: #0f172a;
  --accent: #0ea5e9;
  --accent-2: #6366f1;
  --border: #e2e8f0;
  --radius: 12px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
}

.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }

h1, h2, h3 { color: var(--heading); line-height: 1.25; }
h1 { font-size: clamp(1.9rem, 4vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); margin-bottom: 12px; }
h3 { font-size: 1.15rem; margin-bottom: 8px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { font-size: 1.3rem; font-weight: 700; color: var(--heading); text-decoration: none; }
.logo span { color: var(--accent); }
.logo small { font-size: 0.7em; font-weight: 500; color: var(--text); }
.main-nav { display: flex; align-items: center; gap: 24px; }
.main-nav a { color: var(--text); text-decoration: none; font-weight: 500; font-size: 0.95rem; }
.main-nav a:hover { color: var(--accent); }

/* Buttons */
.btn {
  display: inline-block; padding: 12px 24px; border-radius: 8px;
  font-weight: 600; text-decoration: none; font-size: 0.95rem;
  border: 2px solid transparent; cursor: pointer; transition: all .2s;
}
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff; }
.btn-primary:hover { filter: brightness(1.1); transform: translateY(-1px); }
.btn-ghost { border-color: var(--accent); color: var(--accent); background: transparent; }
.btn-ghost:hover { background: var(--accent); color: #fff; }
.btn-small { padding: 8px 18px; background: var(--accent); color: #fff !important; border-radius: 8px; }
.btn-block { width: 100%; border: none; }

/* Hero */
.hero { background: linear-gradient(180deg, #0f172a 0%, #1e293b 100%); color: #cbd5e1; padding: 80px 0; }
.hero-inner { display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; align-items: center; }
.hero h1 { color: #fff; margin: 12px 0 16px; }
.eyebrow { color: var(--accent); font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.85rem; }
.lead { font-size: 1.1rem; max-width: 560px; }
.hero-cta { display: flex; gap: 16px; margin: 28px 0; flex-wrap: wrap; }
.hero .btn-ghost { border-color: #475569; color: #e2e8f0; }
.hero .btn-ghost:hover { background: #334155; }
.hero-facts { list-style: none; display: flex; gap: 28px; flex-wrap: wrap; font-size: 0.95rem; }
.hero-facts strong { color: #fff; }
.hero-visual svg { width: 100%; height: auto; }

/* Sections */
.section { padding: 80px 0; }
.section-alt { background: var(--bg-alt); }
.section-intro { max-width: 720px; margin-bottom: 40px; }

/* Cards */
.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px; transition: box-shadow .2s, transform .2s;
}
.card:hover { box-shadow: 0 8px 24px rgba(15,23,42,0.08); transform: translateY(-2px); }
.card-icon { font-size: 1.6rem; margin-bottom: 12px; }

/* Products */
.product { display: flex; flex-direction: column; }
.product ul { list-style: none; margin: 16px 0 24px; flex: 1; }
.product li { padding: 6px 0 6px 26px; position: relative; font-size: 0.95rem; }
.product li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 700; }
.product-sub { font-size: 0.9rem; color: #64748b; }
.product-featured { border: 2px solid var(--accent); position: relative; }
.badge {
  position: absolute; top: -14px; left: 24px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff; font-size: 0.78rem; font-weight: 700; padding: 4px 14px; border-radius: 20px;
}
.product .btn { text-align: center; }
.disclaimer { font-size: 0.85rem; color: #64748b; margin-top: 24px; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 40px; }
.step { text-align: left; }
.step-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff; font-weight: 700; font-size: 1.1rem; margin-bottom: 14px;
}

/* Contact */
.section-dark { background: linear-gradient(180deg, #1e293b, #0f172a); color: #cbd5e1; }
.section-dark h2 { color: #fff; }
.contact-inner { display: grid; grid-template-columns: 1fr 1.3fr; gap: 48px; align-items: start; }
.contact-points { list-style: none; margin-top: 20px; }
.contact-points li { padding: 6px 0 6px 28px; position: relative; }
.contact-points li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 700; }

.contact-form-wrap { background: #fff; border-radius: var(--radius); padding: 32px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-field { margin-bottom: 16px; }
.form-field label { display: block; font-weight: 600; color: var(--heading); font-size: 0.9rem; margin-bottom: 6px; }
.form-field input[type="text"],
.form-field input[type="email"],
.form-field input[type="tel"],
.form-field textarea {
  width: 100%; padding: 11px 14px; border: 1px solid var(--border); border-radius: 8px;
  font: inherit; font-size: 0.95rem; color: var(--heading); background: var(--bg);
}
.form-field input:focus, .form-field textarea:focus {
  outline: 2px solid var(--accent); outline-offset: 0; border-color: var(--accent);
}
.checkbox-field label { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; color: var(--text); }
.checkbox-field input { margin-top: 4px; }
.checkbox-field a { color: var(--accent); }
.hp { position: absolute; left: -9999px; height: 0; width: 0; opacity: 0; }

.alert { padding: 14px 18px; border-radius: 8px; margin-bottom: 20px; font-weight: 500; }
.alert-success { background: #dcfce7; color: #166534; border: 1px solid #86efac; }
.alert-error { background: #fee2e2; color: #991b1b; border: 1px solid #fca5a5; }

/* Footer */
.site-footer { background: #0f172a; color: #94a3b8; padding: 48px 0 24px; }
.footer-inner { display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; margin-bottom: 24px; }
.site-footer .logo { color: #fff; }
.footer-note { font-size: 0.9rem; margin-top: 8px; }
.footer-nav { display: flex; gap: 24px; }
.footer-nav a { color: #cbd5e1; text-decoration: none; }
.footer-nav a:hover { color: var(--accent); }
.footer-legal { font-size: 0.8rem; border-top: 1px solid #1e293b; padding-top: 20px; }

/* Responsive */
@media (max-width: 900px) {
  .hero-inner, .contact-inner { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .grid-3, .steps, .form-row { grid-template-columns: 1fr; }
  .main-nav a:not(.btn) { display: none; }
  .section { padding: 56px 0; }
}