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

:root {
  --black: #0a0a0a;
  --white: #ffffff;
  --gray-50: #f9f9f9;
  --gray-100: #f2f2f2;
  --gray-300: #d0d0d0;
  --gray-500: #8a8a8a;
  --gray-700: #404040;
  --accent: #2563eb;
  --accent-dark: #1d4ed8;
  --accent-light: #eff6ff;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 48px rgba(0,0,0,0.12);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, sans-serif;
  background: var(--white);
  color: var(--black);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── NAV ── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-100);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.3px;
  color: var(--black);
  text-decoration: none;
}

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  transition: all 0.15s ease;
  cursor: pointer;
  border: none;
  font-family: inherit;
}

.btn-sm { padding: 8px 18px; font-size: 14px; background: var(--black); color: var(--white); }
.btn-sm:hover { background: var(--gray-700); }

.btn-primary { padding: 14px 28px; background: var(--accent); color: var(--white); }
.btn-primary:hover { background: var(--accent-dark); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(37,99,235,0.3); }

.btn-ghost { padding: 14px 28px; background: transparent; color: var(--gray-700); border: 1.5px solid var(--gray-300); }
.btn-ghost:hover { border-color: var(--black); color: var(--black); }

.btn-full { width: 100%; justify-content: center; }

/* ── BADGE ── */
.badge {
  display: inline-block;
  background: var(--accent-light);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 100px;
  margin-bottom: 20px;
  letter-spacing: 0.2px;
}

/* ── HERO ── */
.hero {
  padding: 140px 0 80px;
  text-align: center;
}

.hero h1 {
  font-size: clamp(44px, 7vw, 80px);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -2px;
  margin-bottom: 24px;
  color: var(--black);
}

.hero-sub {
  font-size: 20px;
  color: var(--gray-500);
  max-width: 600px;
  margin: 0 auto 36px;
  line-height: 1.6;
}

.hero-cta {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.hero-proof {
  display: flex;
  gap: 12px;
  justify-content: center;
  align-items: center;
  font-size: 14px;
  color: var(--gray-500);
  flex-wrap: wrap;
}

/* ── TRUST ── */
.trust {
  padding: 40px 0 60px;
  border-top: 1px solid var(--gray-100);
  border-bottom: 1px solid var(--gray-100);
  text-align: center;
}

.trust-label {
  font-size: 13px;
  color: var(--gray-500);
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.trust-badges {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.trust-badge {
  padding: 8px 20px;
  border: 1.5px solid var(--gray-300);
  border-radius: 100px;
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-700);
}

/* ── SECTION HEADER ── */
.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header h2 {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 800;
  letter-spacing: -1.5px;
  line-height: 1.1;
  color: var(--black);
}

/* ── SERVICES ── */
.services { padding: 100px 0; }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.card {
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  padding: 36px;
  position: relative;
  border: 1.5px solid var(--gray-100);
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

.card-featured {
  background: var(--black);
  color: var(--white);
  border-color: transparent;
}

.card-featured p, .card-featured li { color: #aaa; }
.card-featured h3 { color: var(--white); }

.card-badge {
  position: absolute;
  top: 20px; right: 20px;
  background: var(--accent);
  color: var(--white);
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.card-icon { font-size: 32px; margin-bottom: 16px; }
.card h3 { font-size: 22px; font-weight: 700; margin-bottom: 12px; letter-spacing: -0.5px; }
.card p { color: var(--gray-500); margin-bottom: 20px; line-height: 1.6; }

.card ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.card ul li { font-size: 14px; color: var(--gray-500); padding-left: 20px; position: relative; }
.card ul li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 700; }
.card-featured ul li { color: #888; }
.card-featured ul li::before { color: #60a5fa; }

/* ── HOW IT WORKS ── */
.how {
  padding: 100px 0;
  background: var(--gray-50);
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 700px;
  margin: 0 auto;
}

.step {
  display: flex;
  gap: 32px;
  padding: 32px 0;
  border-bottom: 1px solid var(--gray-300);
  align-items: flex-start;
}

.step:last-child { border-bottom: none; }

.step-num {
  font-size: 48px;
  font-weight: 900;
  color: var(--gray-300);
  line-height: 1;
  min-width: 60px;
  letter-spacing: -2px;
}

.step-body h3 { font-size: 20px; font-weight: 700; margin-bottom: 8px; letter-spacing: -0.3px; }
.step-body p { color: var(--gray-500); line-height: 1.6; }

/* ── RESULTS ── */
.results {
  padding: 80px 0;
  background: var(--black);
}

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 48px;
  text-align: center;
}

.stat-num {
  font-size: clamp(48px, 6vw, 72px);
  font-weight: 900;
  color: var(--white);
  letter-spacing: -2px;
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 15px;
  color: #666;
  font-weight: 500;
}

/* ── CONTACT ── */
.contact { padding: 100px 0; }

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.contact-left h2 {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 16px;
  line-height: 1.1;
}

.contact-left p { color: var(--gray-500); line-height: 1.7; margin-bottom: 24px; }

.contact-details { display: flex; flex-direction: column; gap: 8px; }
.contact-details p { font-size: 15px; color: var(--gray-700); margin: 0; }
.contact-details a { color: var(--accent); text-decoration: none; }
.contact-line { font-size: 15px; color: var(--gray-700); margin: 0 0 4px; }
.contact-left h2 { margin-bottom: 16px; }
.contact-left p { margin-bottom: 16px; }

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: var(--gray-50);
  padding: 36px;
  border-radius: var(--radius-lg);
  border: 1.5px solid var(--gray-100);
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

.contact-form input,
.contact-form textarea {
  padding: 13px 16px;
  border: 1.5px solid var(--gray-300);
  border-radius: var(--radius);
  font-size: 15px;
  font-family: inherit;
  background: var(--white);
  color: var(--black);
  transition: border-color 0.15s;
  width: 100%;
  resize: vertical;
}

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

.contact-form input::placeholder,
.contact-form textarea::placeholder { color: var(--gray-300); }

.form-note { font-size: 13px; color: var(--gray-500); text-align: center; }

/* ── FOOTER ── */
.footer {
  padding: 32px 0;
  border-top: 1px solid var(--gray-100);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer p { font-size: 13px; color: var(--gray-500); }
.footer a { color: var(--accent); text-decoration: none; }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .hero { padding: 100px 0 60px; }
  .contact-inner { grid-template-columns: 1fr; gap: 40px; }
  .form-row { grid-template-columns: 1fr; }
  .step { gap: 20px; }
  .step-num { font-size: 36px; min-width: 44px; }
  .footer-inner { flex-direction: column; text-align: center; }
  .cards { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .hero-cta { flex-direction: column; align-items: center; }
  .btn-ghost, .btn-primary { width: 100%; justify-content: center; }
}

/* ── ANIMATIONS ── */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}