/* === Reset & Base === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary: #0a0a1a;
  --primary-light: #12122e;
  --accent: #00c2cb;
  --accent-2: #7b61ff;
  --highlight: #00c2cb;
  --gradient: linear-gradient(135deg, #00c2cb, #7b61ff);
  --gradient-bg: linear-gradient(135deg, #0a0a1a 0%, #12122e 50%, #1a1040 100%);
  --bg: #ffffff;
  --bg-alt: #f8f9fc;
  --text: #1a1a2e;
  --text-light: #5a5a7a;
  --text-muted: #8a8aaa;
  --border: #e8e8f0;
  --radius: 16px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.1);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

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

a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* === Gradient Text === */
.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* === Buttons === */
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.25s ease;
  border: 2px solid transparent;
  text-align: center;
  font-family: inherit;
}
.btn-lg { padding: 16px 36px; font-size: 1.05rem; }
.btn-block { display: block; width: 100%; }
.btn-primary {
  background: var(--gradient);
  color: #fff;
  border: none;
}
.btn-primary:hover { opacity: 0.9; transform: translateY(-1px); box-shadow: 0 6px 20px rgba(0, 194, 203, 0.3); }
.btn-outline {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.btn-outline-light {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.3);
}
.btn-outline-light:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.6); }
.btn-ghost {
  background: transparent;
  color: var(--text);
  padding: 12px 20px;
}
.btn-ghost:hover { color: var(--accent); }

/* === Labels / Badges === */
.label {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  background: linear-gradient(135deg, rgba(0,194,203,0.1), rgba(123,97,255,0.1));
  color: var(--accent);
  margin-bottom: 16px;
}
.label-light {
  background: rgba(255,255,255,0.1);
  color: var(--accent);
}

/* === Nav === */
.nav {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 100;
  transition: all 0.3s ease;
}
.nav.scrolled {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo { font-size: 1.6rem; font-weight: 900; color: var(--primary); letter-spacing: -0.5px; }
.logo span { background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.nav .logo { color: #fff; }
.nav.scrolled .logo { color: var(--primary); }
.nav-links { display: flex; align-items: center; gap: 36px; }
.nav-links a {
  font-weight: 500;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.7);
  transition: color 0.2s;
}
.nav-links a:hover { color: #fff; }
.nav.scrolled .nav-links a { color: var(--text-light); }
.nav.scrolled .nav-links a:hover { color: var(--text); }
.nav-cta { display: flex; align-items: center; gap: 12px; }
.nav .btn-ghost { color: rgba(255,255,255,0.8); }
.nav.scrolled .btn-ghost { color: var(--text); }
.nav .btn-primary { padding: 8px 20px; font-size: 0.85rem; }
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 28px;
  height: 20px;
  position: relative;
}
.mobile-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: #fff;
  position: absolute;
  left: 0;
  transition: all 0.3s;
}
.nav.scrolled .mobile-toggle span { background: var(--text); }
.mobile-toggle span:nth-child(1) { top: 0; }
.mobile-toggle span:nth-child(2) { top: 9px; }
.mobile-toggle span:nth-child(3) { top: 18px; }

/* === Hero === */
.hero {
  position: relative;
  padding: 180px 0 120px;
  background: var(--gradient-bg);
  color: #fff;
  text-align: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(0,194,203,0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(123,97,255,0.15) 0%, transparent 50%);
}
.hero-inner { position: relative; z-index: 1; }
.hero-badge {
  display: inline-block;
  padding: 8px 20px;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 600;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  margin-bottom: 28px;
  color: var(--accent);
}
.hero h1 {
  font-size: 3.8rem;
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: -1px;
}
.hero-sub {
  font-size: 1.2rem;
  max-width: 580px;
  margin: 0 auto 40px;
  opacity: 0.8;
  line-height: 1.7;
}
.hero-cta { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 60px; }
.hero-stats {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.stat { text-align: center; }
.stat strong { display: block; font-size: 1.5rem; font-weight: 800; }
.stat span { font-size: 0.85rem; opacity: 0.6; }
.stat-divider { width: 1px; height: 40px; background: rgba(255,255,255,0.15); }

/* === Value Props === */
.value-props {
  padding: 80px 0;
  border-bottom: 1px solid var(--border);
}
.props-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.prop { text-align: center; padding: 24px 16px; }
.prop-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(0,194,203,0.1), rgba(123,97,255,0.1));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  color: var(--accent);
}
.prop h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.prop p { font-size: 0.9rem; color: var(--text-light); line-height: 1.6; }

/* === Section Headers === */
.section { padding: 100px 0; }
.section-alt { background: var(--bg-alt); }
.section-header { text-align: center; margin-bottom: 60px; }
.section-header h2 {
  font-size: 2.5rem;
  font-weight: 900;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
  line-height: 1.2;
}
.section-header p {
  color: var(--text-light);
  max-width: 520px;
  margin: 0 auto;
  font-size: 1.05rem;
}
.section-header .light { color: rgba(255,255,255,0.6); }

/* === Features === */
.features { display: flex; flex-direction: column; gap: 80px; }
.feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.feature-reverse { direction: rtl; }
.feature-reverse > * { direction: ltr; }
.feature-label {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 12px;
}
.feature-content h3 { font-size: 1.8rem; font-weight: 800; margin-bottom: 16px; letter-spacing: -0.3px; }
.feature-content p { color: var(--text-light); margin-bottom: 20px; line-height: 1.7; }
.feature-list { display: flex; flex-direction: column; gap: 10px; }
.feature-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--text);
}
.feature-list li::before {
  content: "";
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(0,194,203,0.15), rgba(123,97,255,0.15));
  flex-shrink: 0;
  position: relative;
}
.feature-list li::after {
  content: "\2713";
  position: absolute;
  font-size: 0.7rem;
  color: var(--accent);
  font-weight: 700;
}

/* Feature Visuals */
.feature-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}
.feature-graphic {
  width: 100%;
  max-width: 420px;
  border-radius: var(--radius);
  padding: 40px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
}

/* Mock Report */
.mock-report { display: flex; flex-direction: column; gap: 12px; }
.mock-header { height: 20px; width: 60%; border-radius: 4px; background: var(--gradient); opacity: 0.6; }
.mock-row { height: 10px; width: 100%; border-radius: 4px; background: var(--border); }
.mock-row.short { width: 70%; }
.mock-img { height: 80px; border-radius: 8px; background: linear-gradient(135deg, rgba(0,194,203,0.2), rgba(123,97,255,0.2)); }

/* Mock Flow */
.mock-flow { display: flex; align-items: center; justify-content: center; gap: 12px; }
.flow-node {
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  background: #fff;
  border: 1px solid var(--border);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-light);
}
.flow-node.active {
  background: var(--gradient);
  color: #fff;
  border-color: transparent;
}
.flow-arrow { color: var(--text-muted); font-size: 1.2rem; }

/* Mock Chat */
.mock-chat { display: flex; flex-direction: column; gap: 12px; }
.chat-bubble {
  padding: 12px 16px;
  border-radius: 16px;
  font-size: 0.85rem;
  max-width: 85%;
  line-height: 1.5;
}
.chat-bubble.incoming {
  background: #fff;
  border: 1px solid var(--border);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
  color: var(--text);
}
.chat-bubble.outgoing {
  background: var(--gradient);
  color: #fff;
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}
.chat-typing {
  display: flex;
  gap: 4px;
  padding: 12px 16px;
  align-self: flex-end;
}
.chat-typing span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-muted);
  animation: typing 1.4s infinite ease-in-out;
}
.chat-typing span:nth-child(2) { animation-delay: 0.2s; }
.chat-typing span:nth-child(3) { animation-delay: 0.4s; }
@keyframes typing {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.3; }
  30% { transform: translateY(-6px); opacity: 1; }
}

/* === Dark Section === */
.section-dark {
  background: var(--gradient-bg);
  color: #fff;
}
.section-dark .section-header h2 { color: #fff; }

/* === Timeline === */
.timeline {
  max-width: 600px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.timeline-step { display: flex; gap: 28px; }
.timeline-marker {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
}
.timeline-number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient);
  color: #fff;
  font-weight: 800;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.timeline-line {
  width: 2px;
  flex: 1;
  background: rgba(255,255,255,0.1);
  margin: 8px 0;
}
.timeline-content { padding-bottom: 40px; }
.timeline-content h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 8px; }
.timeline-content p { color: rgba(255,255,255,0.6); font-size: 0.95rem; line-height: 1.6; }

/* === Use Cases === */
.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.use-case {
  padding: 36px 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all 0.3s ease;
  background: #fff;
}
.use-case:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; }
.use-case-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(0,194,203,0.1), rgba(123,97,255,0.1));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--accent);
}
.use-case h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 10px; }
.use-case p { color: var(--text-light); font-size: 0.95rem; line-height: 1.6; }

/* === Pricing === */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  max-width: 760px;
  margin: 0 auto;
}
.pricing-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 32px;
  position: relative;
  transition: all 0.3s ease;
}
.pricing-card:hover { box-shadow: var(--shadow-lg); }
.pricing-card.featured { border-color: var(--accent); border-width: 2px; }
.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 16px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 700;
  background: var(--gradient);
  color: #fff;
  white-space: nowrap;
}
.pricing-header { text-align: center; margin-bottom: 28px; padding-bottom: 28px; border-bottom: 1px solid var(--border); }
.pricing-header h3 {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.price { font-size: 2.5rem; font-weight: 900; color: var(--text); }
.price-range { font-size: 1.5rem; font-weight: 700; color: var(--text-light); }
.price-note { font-size: 0.85rem; color: var(--text-muted); margin-top: 4px; }
.pricing-features { margin-bottom: 28px; }
.pricing-features li {
  padding: 10px 0;
  font-size: 0.95rem;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 10px;
}
.pricing-features li::before {
  content: "\2713";
  color: var(--accent);
  font-weight: 700;
  flex-shrink: 0;
}
.pricing-features li:first-child::before { content: ""; }

/* === CTA / Contact === */
.section-cta {
  background: var(--gradient-bg);
  color: #fff;
  padding: 100px 0;
}
.cta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.cta-content h2 {
  font-size: 2.5rem;
  font-weight: 900;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}
.cta-content p {
  color: rgba(255,255,255,0.7);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 28px;
}
.trust-signals { display: flex; flex-direction: column; gap: 12px; }
.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  color: rgba(255,255,255,0.8);
}
.trust-item svg { color: var(--accent); flex-shrink: 0; }

.contact-form {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 36px;
  backdrop-filter: blur(12px);
}
.contact-form h3 {
  font-size: 1.2rem;
  margin-bottom: 24px;
  text-align: center;
}
.form-group { margin-bottom: 12px; }
.hidden-field { display: none; }
.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-family: inherit;
  background: rgba(255,255,255,0.06);
  color: #fff;
  transition: border-color 0.2s;
}
.contact-form select { appearance: none; cursor: pointer; }
.contact-form select option { background: var(--primary); color: #fff; }
.contact-form input::placeholder,
.contact-form textarea::placeholder { color: rgba(255,255,255,0.4); }
.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(255,255,255,0.1);
}
.contact-form .btn { margin-top: 8px; }

/* === Footer === */
.footer {
  background: var(--primary);
  color: rgba(255,255,255,0.5);
  padding: 60px 0 30px;
}
.footer .logo { color: #fff; }
.footer-top {
  display: flex;
  justify-content: space-between;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 24px;
}
.footer-brand p { margin-top: 12px; font-size: 0.9rem; line-height: 1.6; }
.footer-nav { display: flex; gap: 60px; }
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col h4 { color: #fff; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 4px; }
.footer-col a { font-size: 0.9rem; transition: color 0.2s; }
.footer-col a:hover { color: #fff; }
.footer-bottom { text-align: center; font-size: 0.85rem; }

/* === Animations === */
.animate-in {
  opacity: 0;
  transform: translateY(24px);
  animation: fadeInUp 0.7s ease forwards;
}
.animate-in:nth-child(1) { animation-delay: 0.1s; }
.animate-in:nth-child(2) { animation-delay: 0.2s; }
.animate-in:nth-child(3) { animation-delay: 0.3s; }
.animate-in:nth-child(4) { animation-delay: 0.4s; }
.animate-in:nth-child(5) { animation-delay: 0.5s; }

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes fadeInUp {
  to { opacity: 1; transform: translateY(0); }
}

/* === Mobile === */
@media (max-width: 900px) {
  .hero h1 { font-size: 2.5rem; }
  .props-grid { grid-template-columns: repeat(2, 1fr); }
  .feature, .feature-reverse { grid-template-columns: 1fr; direction: ltr; }
  .feature-reverse > * { direction: ltr; }
  .feature-visual { order: -1; }
  .use-cases-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .cta-grid { grid-template-columns: 1fr; }
  .section-header h2 { font-size: 2rem; }
}

@media (max-width: 768px) {
  .hero { padding: 140px 0 80px; }
  .hero h1 { font-size: 2rem; }
  .hero-stats { flex-direction: column; gap: 20px; }
  .stat-divider { width: 40px; height: 1px; }
  .props-grid { grid-template-columns: 1fr; }
  .nav-links, .nav-cta { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    padding: 24px;
    gap: 16px;
    border-bottom: 1px solid var(--border);
  }
  .nav-links.open a { color: var(--text) !important; }
  .mobile-toggle { display: block; }
  .footer-top { flex-direction: column; gap: 32px; }
  .cta-content h2 { font-size: 1.8rem; }
}