:root {
  --bg: #0a0e17;
  --bg-alt: #0f1420;
  --surface: #131a2a;
  --border: #232c40;
  --text: #e6e9f0;
  --text-dim: #9aa4b8;
  --accent: #14b8a6;
  --accent-2: #22d3ee;
  --radius: 12px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

a { color: inherit; text-decoration: none; }

h1, h2, h3 { line-height: 1.2; font-weight: 700; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(10, 14, 23, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
}

.logo {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.logo span { color: var(--accent); }

.nav {
  display: flex;
  gap: 28px;
}

.nav a {
  color: var(--text-dim);
  font-size: 0.95rem;
  transition: color 0.15s ease;
}

.nav a:hover { color: var(--text); }

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, opacity 0.15s ease, background 0.15s ease;
}

.btn-small { padding: 9px 18px; font-size: 0.88rem; }

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
}

.btn-primary:hover { opacity: 0.9; transform: translateY(-1px); }

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}

.btn-ghost:hover { border-color: var(--accent); }

/* Hero */
.hero {
  padding: 120px 0 90px;
  background:
    radial-gradient(circle at 20% 20%, rgba(20, 184, 166, 0.15), transparent 40%),
    radial-gradient(circle at 80% 0%, rgba(34, 211, 238, 0.12), transparent 40%);
}

.hero-inner { max-width: 760px; }

.eyebrow {
  color: var(--accent);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.hero-sub {
  color: var(--text-dim);
  font-size: 1.1rem;
  max-width: 560px;
  margin-bottom: 36px;
}

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* Stats */
.stats { padding: 48px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 24px;
}

.stat { text-align: center; }

.stat-num {
  display: block;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.stat-label {
  display: block;
  color: var(--text-dim);
  font-size: 0.9rem;
  margin-top: 6px;
}

/* Sections */
section { padding: 90px 0; }

.services { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

h2 {
  font-size: clamp(1.7rem, 3vw, 2.2rem);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.section-sub {
  color: var(--text-dim);
  max-width: 560px;
  margin-bottom: 48px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 24px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.card:hover { border-color: var(--accent); transform: translateY(-3px); }

.card-icon {
  font-size: 1.4rem;
  margin-bottom: 16px;
  color: var(--accent);
}

.card h3 { font-size: 1.1rem; margin-bottom: 10px; }

.card p { color: var(--text-dim); font-size: 0.95rem; }

/* Process */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 24px;
}

.step {
  border-top: 2px solid var(--border);
  padding-top: 20px;
  transition: border-color 0.15s ease;
}

.step:hover { border-color: var(--accent); }

.step-num {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

.step h3 { font-size: 1.05rem; margin-bottom: 8px; }

.step p { color: var(--text-dim); font-size: 0.92rem; }

/* FAQ */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 760px;
}

.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
}

.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
  content: "+";
  color: var(--accent);
  font-size: 1.3rem;
  font-weight: 400;
  margin-left: 16px;
}

.faq-item[open] summary::after { content: "−"; }

.faq-item p {
  color: var(--text-dim);
  margin-top: 14px;
  font-size: 0.94rem;
}

/* About */
.about-inner { max-width: 680px; }

.about p { color: var(--text-dim); margin-bottom: 24px; }

.checklist { list-style: none; }

.checklist li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 12px;
  color: var(--text);
}

.checklist li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

/* Contact */
.contact { background: var(--bg-alt); border-top: 1px solid var(--border); }

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.contact-info p { color: var(--text-dim); margin-top: 12px; }

.contact-email { margin-top: 20px !important; }

.contact-email a { color: var(--accent); font-weight: 600; }

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}

.contact-form label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--text-dim);
}

.contact-form input,
.contact-form textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
  resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.contact-form button { align-self: flex-start; }

.form-note {
  color: var(--text-dim);
  font-size: 0.8rem;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--text-dim);
  font-size: 0.88rem;
}

.footer-inner a:hover { color: var(--accent); }

@media (max-width: 720px) {
  .nav { display: none; }
  .contact-inner { grid-template-columns: 1fr; }
}