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

:root {
  --black: #0a0a0a;
  --white: #ffffff;
  --gray-light: #f5f5f5;
  --gray-mid: #e0e0e0;
  --gray-text: #6b6b6b;
  --accent: #1a1a2e;
  --accent-blue: #0066ff;
  --accent-glow: #3385ff;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  color: var(--black);
  background: var(--white);
  line-height: 1.6;
}

/* ─── NAV ─────────────────────────────────────────────── */
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 80px;
  position: fixed;
  top: 0; left: 0; right: 0;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-mid);
  z-index: 100;
  transition: box-shadow 0.3s, padding 0.3s;
}

nav.scrolled {
  padding: 16px 80px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.08);
}

.logo {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--black);
}

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

.logo .ai-badge {
  display: inline-block;
  background: var(--accent-blue);
  color: white;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  margin-left: 4px;
  vertical-align: middle;
  letter-spacing: 1px;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 40px;
  align-items: center;
}

nav ul li a {
  text-decoration: none;
  color: var(--black);
  font-size: 15px;
  font-weight: 500;
  transition: color 0.2s;
  position: relative;
}

nav ul li a:not(.nav-cta)::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--accent-blue);
  transition: width 0.25s ease;
  border-radius: 2px;
}

nav ul li a:not(.nav-cta):hover::after,
nav ul li a.active::after { width: 100%; }

nav ul li a:hover { color: var(--accent-blue); }

.nav-cta {
  background: var(--black) !important;
  color: white !important;
  padding: 10px 24px;
  border-radius: 8px;
  font-weight: 600 !important;
  transition: background 0.2s !important;
}

.nav-cta:hover { background: var(--accent-blue) !important; }

/* ─── SCROLL-IN ANIMATIONS ────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* stagger children */
.stagger > *:nth-child(1) { transition-delay: 0.05s; }
.stagger > *:nth-child(2) { transition-delay: 0.15s; }
.stagger > *:nth-child(3) { transition-delay: 0.25s; }
.stagger > *:nth-child(4) { transition-delay: 0.35s; }

/* ─── HERO ─────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 80px 80px;
  background: linear-gradient(160deg, #f8f9ff 0%, #ffffff 50%, #f0f4ff 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(0,102,255,0.07) 0%, transparent 70%);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  animation: pulse 6s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
  50%       { transform: translate(-50%, -50%) scale(1.15); opacity: 0.6; }
}

.hero-eyebrow {
  display: inline-block;
  background: #e8f0ff;
  color: var(--accent-blue);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 8px 20px;
  border-radius: 100px;
  margin-bottom: 28px;
}

.hero h1 {
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 900;
  letter-spacing: -2px;
  line-height: 1.05;
  max-width: 820px;
  margin: 0 auto 28px;
  color: var(--black);
}

.hero h1 .highlight { color: var(--accent-blue); position: relative; }

/* typing cursor */
.cursor {
  display: inline-block;
  width: 3px;
  height: 0.85em;
  background: var(--accent-blue);
  vertical-align: text-bottom;
  margin-left: 4px;
  border-radius: 2px;
  animation: blink 0.9s step-end infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

.hero-sub {
  font-size: 20px;
  color: var(--gray-text);
  max-width: 580px;
  margin: 0 auto 48px;
  line-height: 1.7;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-primary {
  background: var(--accent-blue);
  color: white;
  padding: 16px 36px;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.2s;
  box-shadow: 0 4px 20px rgba(0,102,255,0.3);
  position: relative;
  overflow: hidden;
}

.btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.15);
  opacity: 0;
  transition: opacity 0.2s;
}

.btn-primary:hover::after { opacity: 1; }

.btn-primary:hover {
  background: var(--accent-glow);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,102,255,0.4);
}

.btn-secondary {
  background: transparent;
  color: var(--black);
  padding: 16px 36px;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  border: 2px solid var(--gray-mid);
  transition: all 0.2s;
}

.btn-secondary:hover {
  border-color: var(--black);
  transform: translateY(-2px);
}

.hero-proof {
  margin-top: 64px;
  color: var(--gray-text);
  font-size: 14px;
  font-weight: 500;
}

.ai-logos {
  display: flex;
  gap: 28px;
  justify-content: center;
  align-items: center;
  margin-top: 16px;
  flex-wrap: wrap;
}

.ai-logo-badge {
  background: var(--gray-light);
  border: 1px solid var(--gray-mid);
  padding: 8px 18px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  color: #444;
  transition: border-color 0.2s, color 0.2s, transform 0.2s;
}

.ai-logo-badge:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
  transform: translateY(-2px);
}

/* ─── PROBLEM ───────────────────────────────────────────── */
.problem {
  padding: 100px 80px;
  background: var(--black);
  color: white;
}

.problem-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.section-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent-blue);
  margin-bottom: 20px;
}

.problem h2 {
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1.1;
  margin-bottom: 24px;
}

.problem p {
  color: #aaa;
  font-size: 17px;
  line-height: 1.8;
  margin-bottom: 16px;
}

.stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.stat-card {
  background: #1a1a1a;
  border: 1px solid #333;
  border-radius: 16px;
  padding: 32px 24px;
  transition: border-color 0.3s, transform 0.3s;
}

.stat-card:hover {
  border-color: var(--accent-blue);
  transform: translateY(-4px);
}

.stat-number {
  font-size: 42px;
  font-weight: 900;
  color: var(--accent-blue);
  letter-spacing: -1px;
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 14px;
  color: #888;
  line-height: 1.5;
}

/* ─── HOW IT WORKS ──────────────────────────────────────── */
.how {
  padding: 100px 80px;
  background: var(--gray-light);
}

.how-inner { max-width: 1100px; margin: 0 auto; }

.section-header { text-align: center; margin-bottom: 64px; }

.section-header h2 {
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 16px;
}

.section-header p {
  font-size: 18px;
  color: var(--gray-text);
  max-width: 560px;
  margin: 0 auto;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.step-card {
  background: white;
  border-radius: 20px;
  padding: 40px 32px;
  border: 1px solid var(--gray-mid);
  position: relative;
  transition: box-shadow 0.3s, transform 0.3s;
}

.step-card:hover {
  box-shadow: 0 12px 40px rgba(0,102,255,0.1);
  transform: translateY(-6px);
}

.step-number {
  width: 48px; height: 48px;
  background: var(--accent-blue);
  color: white;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 24px;
}

.step-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.3px;
}

.step-card p { color: var(--gray-text); font-size: 15px; line-height: 1.7; }

/* ─── SERVICES / PRICING ────────────────────────────────── */
.services { padding: 100px 80px; background: white; }
.services-inner { max-width: 1100px; margin: 0 auto; }

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 64px;
}

.pricing-card {
  border: 2px solid var(--gray-mid);
  border-radius: 24px;
  padding: 48px 40px;
  position: relative;
  transition: transform 0.3s, box-shadow 0.3s;
}

.pricing-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.08);
}

.pricing-card.featured {
  border-color: var(--accent-blue);
  background: #f5f9ff;
}

.pricing-card.featured:hover {
  box-shadow: 0 16px 48px rgba(0,102,255,0.15);
}

.featured-badge {
  position: absolute;
  top: -14px; left: 50%;
  transform: translateX(-50%);
  background: var(--accent-blue);
  color: white;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 6px 20px;
  border-radius: 100px;
  white-space: nowrap;
}

.pricing-type {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent-blue);
  margin-bottom: 12px;
}

.pricing-card h3 {
  font-size: 26px;
  font-weight: 800;
  margin-bottom: 8px;
  letter-spacing: -0.5px;
}

.price {
  font-size: 52px;
  font-weight: 900;
  letter-spacing: -2px;
  color: var(--black);
  margin: 20px 0 8px;
  line-height: 1;
}

.price sup { font-size: 24px; vertical-align: top; margin-top: 10px; }

.price-note { font-size: 14px; color: var(--gray-text); margin-bottom: 32px; }

.feature-list { list-style: none; margin-bottom: 40px; }

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--gray-mid);
  font-size: 15px;
  color: #333;
  line-height: 1.5;
}

.feature-list li:last-child { border-bottom: none; }

.check {
  width: 20px; height: 20px;
  background: #e8f0ff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--accent-blue);
  font-size: 11px;
  font-weight: 700;
}

/* ─── GUARANTEE ─────────────────────────────────────────── */
.guarantee {
  background: var(--black);
  color: white;
  padding: 80px;
  text-align: center;
}

.guarantee-inner { max-width: 700px; margin: 0 auto; }

.guarantee-icon { font-size: 48px; margin-bottom: 24px; }

.guarantee h2 {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 20px;
}

.guarantee p { font-size: 18px; color: #aaa; line-height: 1.8; }
.guarantee strong { color: white; }

/* ─── ABOUT ─────────────────────────────────────────────── */
.about { padding: 100px 80px; background: var(--gray-light); }

.about-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.about h2 {
  font-size: clamp(32px, 4vw, 44px);
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 20px;
}

.about p { font-size: 17px; color: var(--gray-text); line-height: 1.8; margin-bottom: 16px; }

.team-grid { display: flex; flex-direction: column; gap: 24px; }

.team-card {
  background: white;
  border-radius: 16px;
  padding: 28px;
  border: 1px solid var(--gray-mid);
  display: flex;
  gap: 20px;
  align-items: flex-start;
  transition: box-shadow 0.3s, transform 0.3s;
}

.team-card:hover {
  box-shadow: 0 8px 28px rgba(0,0,0,0.08);
  transform: translateY(-3px);
}

.team-avatar {
  width: 56px; height: 56px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent-blue), #0044cc);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 20px;
  font-weight: 800;
  flex-shrink: 0;
}

.team-info h4 { font-size: 17px; font-weight: 700; margin-bottom: 4px; }

.team-role { font-size: 13px; color: var(--accent-blue); font-weight: 600; margin-bottom: 8px; }

.team-info p { font-size: 14px; color: var(--gray-text); margin: 0; line-height: 1.6; }

/* ─── CTA / CONTACT ─────────────────────────────────────── */
.cta-section { padding: 120px 80px; text-align: center; background: white; }
.cta-inner { max-width: 700px; margin: 0 auto; }

.cta-section h2 {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 900;
  letter-spacing: -2px;
  line-height: 1.05;
  margin-bottom: 24px;
}

.cta-section p { font-size: 18px; color: var(--gray-text); margin-bottom: 48px; line-height: 1.7; }

.contact-form {
  background: var(--gray-light);
  border-radius: 24px;
  padding: 48px;
  text-align: left;
  border: 1px solid var(--gray-mid);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.form-group { display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px; }

.form-group label { font-size: 13px; font-weight: 600; color: #444; letter-spacing: 0.3px; }

.form-group input,
.form-group select,
.form-group textarea {
  padding: 14px 18px;
  border-radius: 10px;
  border: 1.5px solid var(--gray-mid);
  font-size: 15px;
  font-family: inherit;
  background: white;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(0,102,255,0.1);
}

.form-group textarea { resize: vertical; min-height: 100px; }

.form-submit {
  width: 100%;
  padding: 16px;
  background: var(--accent-blue);
  color: white;
  font-size: 16px;
  font-weight: 700;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s;
  margin-top: 8px;
  position: relative;
  overflow: hidden;
}

.form-submit:hover {
  background: var(--accent-glow);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,102,255,0.3);
}

.form-submit:active { transform: translateY(0); }

.form-submit.loading {
  pointer-events: none;
  opacity: 0.75;
}

/* success message */
.form-success {
  display: none;
  text-align: center;
  padding: 32px;
}

.form-success.visible { display: block; }

.form-success-icon {
  font-size: 40px;
  margin-bottom: 16px;
}

.form-success h3 {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 8px;
}

.form-success p { font-size: 16px; color: var(--gray-text); }

/* ─── FOOTER ─────────────────────────────────────────────── */
footer {
  background: var(--black);
  color: #666;
  padding: 48px 80px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-logo { font-size: 18px; font-weight: 800; color: white; }
.footer-logo span { color: var(--accent-blue); }
footer p { font-size: 14px; }

/* ─── RESPONSIVE ─────────────────────────────────────────── */
@media (max-width: 900px) {
  nav { padding: 20px 24px; }
  nav ul { display: none; }
  .hero { padding: 100px 24px 60px; }
  .problem { padding: 60px 24px; }
  .problem-inner { grid-template-columns: 1fr; gap: 48px; }
  .how { padding: 60px 24px; }
  .steps { grid-template-columns: 1fr; }
  .services { padding: 60px 24px; }
  .pricing-grid { grid-template-columns: 1fr; }
  .guarantee { padding: 60px 24px; }
  .about { padding: 60px 24px; }
  .about-inner { grid-template-columns: 1fr; gap: 48px; }
  .cta-section { padding: 60px 24px; }
  .contact-form { padding: 32px 24px; }
  .form-row { grid-template-columns: 1fr; }
  footer { padding: 32px 24px; flex-direction: column; gap: 16px; text-align: center; }
  nav.scrolled { padding: 14px 24px; }
}