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

:root {
  --color-bg: #0a0a0f;
  --color-surface: #12121a;
  --color-surface-2: #1a1a25;
  --color-border: rgba(255,255,255,0.08);
  --color-text: #e4e4e7;
  --color-text-muted: #a1a1aa;
  --color-text-dim: #71717a;
  --color-primary: #6366f1;
  --color-primary-light: #818cf8;
  --color-accent: #06b6d4;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.5);
  --transition: 0.2s ease;
}

html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* Gradient text */
.gradient-text {
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 20px; border-radius: var(--radius-sm);
  font-weight: 600; font-size: 0.9rem;
  border: none; cursor: pointer;
  transition: all var(--transition);
  text-align: center; white-space: nowrap;
}
.btn--primary {
  background: var(--color-primary); color: #fff;
  box-shadow: 0 0 20px rgba(99,102,241,0.3);
}
.btn--primary:hover { background: var(--color-primary-light); transform: translateY(-1px); box-shadow: 0 0 30px rgba(99,102,241,0.4); }
.btn--outline {
  background: transparent; color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn--outline:hover { border-color: var(--color-primary); color: var(--color-primary-light); }
.btn--ghost { background: transparent; color: var(--color-text-muted); }
.btn--ghost:hover { color: var(--color-text); }
.btn--lg { padding: 14px 28px; font-size: 1rem; border-radius: var(--radius-md); }
.btn--full { width: 100%; justify-content: center; }

/* ============================================
   Navigation
   ============================================ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 16px 0;
  background: rgba(10,10,15,0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: all 0.3s;
}
.nav--scrolled { border-bottom-color: var(--color-border); }
.nav__inner { display: flex; align-items: center; justify-content: space-between; }
.nav__logo { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 1.2rem; }
.nav__logo-icon { color: var(--color-primary-light); font-size: 1.4rem; }
.nav__links { display: flex; gap: 32px; }
.nav__links a { color: var(--color-text-muted); font-size: 0.9rem; font-weight: 500; transition: color var(--transition); }
.nav__links a:hover { color: var(--color-text); }
.nav__actions { display: flex; gap: 12px; align-items: center; }
.nav__burger { display: none; background: none; border: none; cursor: pointer; padding: 4px; }
.nav__burger span { display: block; width: 24px; height: 2px; background: var(--color-text); margin: 5px 0; transition: all 0.3s; border-radius: 2px; }

/* ============================================
   Hero
   ============================================ */
.hero {
  padding: 100px 0 40px;
  position: relative; overflow: hidden;
}
.hero__inner { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.hero__badge {
  display: inline-flex; padding: 6px 16px;
  background: var(--color-surface-2); border: 1px solid var(--color-border);
  border-radius: 100px; font-size: 0.8rem; color: var(--color-text-muted);
  margin-bottom: 24px;
}
.hero__title { font-size: 3.5rem; font-weight: 800; line-height: 1.1; letter-spacing: -0.03em; margin-bottom: 20px; }
.hero__subtitle { font-size: 1.15rem; color: var(--color-text-muted); line-height: 1.7; margin-bottom: 32px; max-width: 500px; }
.hero__ctas { display: flex; gap: 16px; margin-bottom: 40px; flex-wrap: wrap; }
.hero__proof { display: flex; align-items: center; gap: 12px; }
.hero__avatars { display: flex; }
.avatar {
  width: 36px; height: 36px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.75rem; color: #fff;
  border: 2px solid var(--color-bg);
  margin-right: -8px;
}
.hero__proof p { font-size: 0.85rem; color: var(--color-text-muted); }
.hero__proof strong { color: var(--color-text); }

/* Hero gradient blobs */
.hero__gradient-blob {
  position: absolute; border-radius: 50%; filter: blur(120px); opacity: 0.15; pointer-events: none;
}
.hero__gradient-blob--1 { width: 600px; height: 600px; background: var(--color-primary); top: -200px; right: -100px; }
.hero__gradient-blob--2 { width: 400px; height: 400px; background: var(--color-accent); bottom: -100px; left: -100px; }

/* Dashboard Card (Hero Visual) */
.dashboard-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  animation: float 6s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
.dashboard-card__header {
  display: flex; gap: 6px; padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
}
.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot--green { background: #10b981; }
.dot--yellow { background: #f59e0b; }
.dot--red { background: #ef4444; }
.dashboard-card__body { padding: 24px; }
.dashboard-card__stat { margin-bottom: 20px; }
.dashboard-card__label { display: block; font-size: 0.8rem; color: var(--color-text-muted); margin-bottom: 4px; }
.dashboard-card__value { font-size: 2rem; font-weight: 800; letter-spacing: -0.02em; }
.dashboard-card__change {
  display: inline-block; margin-left: 8px;
  font-size: 0.85rem; font-weight: 600; padding: 2px 8px;
  border-radius: 100px;
}
.dashboard-card__change.positive { background: rgba(16,185,129,0.15); color: var(--color-success); }

/* Horizontal Histogram */
.histogram { display: flex; flex-direction: column; gap: 10px; margin-bottom: 20px; }
.histogram__row { display: flex; align-items: center; gap: 10px; }
.histogram__label { font-size: 0.75rem; color: var(--color-text-muted); width: 48px; text-align: right; flex-shrink: 0; }
.histogram__track { flex: 1; height: 22px; background: var(--color-surface-2); border-radius: 6px; overflow: hidden; }
.histogram__bar { height: 100%; width: 0; border-radius: 6px; transition: width 0.8s cubic-bezier(0.22, 1, 0.36, 1); }
.histogram__val { font-size: 0.75rem; font-weight: 600; color: var(--color-text); width: 52px; flex-shrink: 0; }

.dashboard-card__row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.mini-stat {
  background: var(--color-surface-2); padding: 12px;
  border-radius: var(--radius-sm); text-align: center;
}
.mini-stat__label { display: block; font-size: 0.7rem; color: var(--color-text-dim); margin-bottom: 4px; }
.mini-stat__value { font-size: 1rem; font-weight: 700; }

/* ============================================
   Logos
   ============================================ */
.logos { padding: 60px 0; border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
.logos__label { text-align: center; font-size: 0.8rem; color: var(--color-text-dim); margin-bottom: 24px; text-transform: uppercase; letter-spacing: 0.1em; }
.logos__grid { display: flex; justify-content: center; gap: 48px; flex-wrap: wrap; align-items: center; }
.logos__item { font-size: 1.3rem; font-weight: 700; color: var(--color-text-dim); opacity: 0.5; transition: opacity var(--transition); }
.logos__item:hover { opacity: 0.8; }

/* ============================================
   Section headers
   ============================================ */
.section-header { text-align: center; margin-bottom: 32px; }
.section-tag {
  display: inline-block; padding: 6px 16px;
  background: rgba(99,102,241,0.1); color: var(--color-primary-light);
  border-radius: 100px; font-size: 0.8rem; font-weight: 600;
  margin-bottom: 16px;
}
.section-title { font-size: 2.5rem; font-weight: 800; letter-spacing: -0.02em; margin-bottom: 16px; }
.section-subtitle { font-size: 1.1rem; color: var(--color-text-muted); max-width: 600px; margin: 0 auto; }

/* ============================================
   B2B Infographic
   ============================================ */
.infographic { padding: 40px 0; }

/* Flow diagram */
.infographic__flow {
  display: flex; align-items: center; justify-content: center;
  gap: 0; margin-bottom: 40px; flex-wrap: wrap;
}
.infographic__node { display: flex; flex-direction: column; align-items: center; gap: 12px; }
.infographic__circle {
  width: 72px; height: 72px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 0 30px rgba(99,102,241,0.2);
  transition: transform 0.3s;
}
.infographic__circle:hover { transform: scale(1.1); }
.infographic__node-label { font-size: 0.8rem; font-weight: 600; color: var(--color-text-muted); white-space: nowrap; }
.infographic__connector {
  display: flex; align-items: center; padding: 0 12px; position: relative;
}
.infographic__connector::before {
  content: ''; display: block; width: 60px; height: 2px;
  background: linear-gradient(90deg, var(--color-border), var(--color-primary), var(--color-border));
}
.infographic__connector::after {
  content: ''; width: 0; height: 0;
  border-top: 5px solid transparent; border-bottom: 5px solid transparent;
  border-left: 7px solid var(--color-primary);
}
.infographic__connector span {
  position: absolute; top: -20px; left: 50%; transform: translateX(-50%);
  font-size: 0.65rem; color: var(--color-text-dim); white-space: nowrap;
  text-transform: uppercase; letter-spacing: 0.08em; font-weight: 600;
}

/* KPI rings */
.infographic__kpis {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px;
  margin-bottom: 0; text-align: center;
}
.infographic__kpi { display: flex; flex-direction: column; align-items: center; gap: 8px; }
.infographic__kpi strong { font-size: 0.95rem; }
.infographic__kpi p { font-size: 0.8rem; color: var(--color-text-muted); margin: 0; }
.infographic__kpi-ring {
  width: 100px; height: 100px; position: relative;
}
.infographic__kpi-ring svg { width: 100%; height: 100%; }
.infographic__kpi-fill {
  transition: stroke-dashoffset 1.2s cubic-bezier(0.22, 1, 0.36, 1);
}
.infographic__kpi-num {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; font-weight: 800;
}

/* Benefits strip */
.infographic__benefits {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); padding: 32px; text-align: center;
}
.infographic__benefit { display: flex; flex-direction: column; gap: 4px; }
.infographic__benefit-num {
  font-size: 1.8rem; font-weight: 800;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.infographic__benefit span:last-child { font-size: 0.85rem; color: var(--color-text-muted); }

@media (max-width: 768px) {
  .infographic__flow { flex-direction: column; gap: 8px; }
  .infographic__connector { padding: 8px 0; }
  .infographic__connector::before { width: 2px; height: 40px; }
  .infographic__connector::after {
    border-left: 5px solid transparent; border-right: 5px solid transparent;
    border-top: 7px solid var(--color-primary); border-bottom: none;
  }
  .infographic__connector span { top: 50%; left: calc(100% + 8px); transform: translateY(-50%); }
  .infographic__kpis { grid-template-columns: repeat(2, 1fr); }
  .infographic__benefits { grid-template-columns: repeat(2, 1fr); }
}

/* ============================================
   How It Works
   ============================================ */
.how-it-works { padding: 40px 0; background: var(--color-surface); }
.steps { max-width: 700px; margin: 0 auto; }
.step {
  display: flex; gap: 32px; padding: 40px 0;
  border-bottom: 1px solid var(--color-border);
}
.step:last-child { border-bottom: none; }
.step__number {
  font-size: 3rem; font-weight: 800;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; flex-shrink: 0; line-height: 1;
}
.step__content h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 8px; }
.step__content p { color: var(--color-text-muted); font-size: 0.95rem; }

/* Code block */
.code-block {
  background: var(--color-bg); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); overflow: hidden; margin-top: 20px;
}
.code-block__header {
  display: flex; align-items: center; gap: 6px;
  padding: 10px 16px; border-bottom: 1px solid var(--color-border);
}
.code-block__lang { margin-left: auto; font-size: 0.75rem; color: var(--color-text-dim); }
.code-block pre {
  padding: 20px; overflow-x: auto;
  font-family: var(--font-mono); font-size: 0.85rem; line-height: 1.7;
}
.code-kw { color: var(--color-primary-light); }
.code-str { color: var(--color-success); }
.code-num { color: var(--color-warning); }
.code-cmt { color: var(--color-text-dim); }

/* ============================================
   Stats
   ============================================ */
.stats { padding: 80px 0; }
.stats__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; text-align: center; }
.stat__value { font-size: 2.8rem; font-weight: 800; letter-spacing: -0.02em; }
.stat__suffix { font-size: 1.5rem; font-weight: 700; color: var(--color-primary-light); }
.stat__label { display: block; margin-top: 8px; font-size: 0.9rem; color: var(--color-text-muted); }

/* ============================================
   Pricing
   ============================================ */
.pricing { padding: 120px 0; }
.pricing__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: start; }
.pricing-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px;
  position: relative;
  transition: all 0.3s;
}
.pricing-card:hover { transform: translateY(-4px); }
.pricing-card--featured {
  border-color: var(--color-primary);
  box-shadow: 0 0 40px rgba(99,102,241,0.15);
  transform: scale(1.02);
}
.pricing-card--featured:hover { transform: scale(1.02) translateY(-4px); }
.pricing-card__badge {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--color-primary); color: #fff;
  padding: 4px 16px; border-radius: 100px;
  font-size: 0.75rem; font-weight: 700;
}
.pricing-card__header { margin-bottom: 24px; }
.pricing-card__header h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 4px; }
.pricing-card__header p { font-size: 0.85rem; color: var(--color-text-muted); }
.pricing-card__price { margin-bottom: 24px; }
.pricing-card__amount { font-size: 3rem; font-weight: 800; }
.pricing-card__period { font-size: 0.9rem; color: var(--color-text-muted); }
.pricing-card__features { margin-bottom: 32px; }
.pricing-card__features li {
  padding: 8px 0; font-size: 0.9rem; color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-border);
  padding-left: 24px; position: relative;
}
.pricing-card__features li::before {
  content: '✓'; position: absolute; left: 0;
  color: var(--color-success); font-weight: 700;
}

/* ============================================
   Testimonials
   ============================================ */
.testimonials { padding: 120px 0; background: var(--color-surface); }
.testimonials__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testimonial-card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
}
.testimonial-card__stars { color: var(--color-warning); margin-bottom: 16px; font-size: 1.1rem; letter-spacing: 2px; }
.testimonial-card p { font-size: 0.95rem; color: var(--color-text-muted); line-height: 1.7; margin-bottom: 24px; }
.testimonial-card__author { display: flex; align-items: center; gap: 12px; }
.testimonial-card__author strong { display: block; font-size: 0.9rem; }
.testimonial-card__author span { font-size: 0.8rem; color: var(--color-text-dim); }

/* ============================================
   Team
   ============================================ */
.team { padding: 120px 0; }
.team__grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 24px; }
.team-card { text-align: center; }
.team-card__avatar {
  width: 80px; height: 80px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 1.1rem; color: #fff;
  margin: 0 auto 12px;
}
.team-card h4 { font-size: 0.95rem; font-weight: 600; margin-bottom: 2px; }
.team-card p { font-size: 0.8rem; color: var(--color-text-muted); }

/* ============================================
   CTA Section
   ============================================ */
.cta-section { padding: 40px 0; }
.cta-box {
  background: linear-gradient(135deg, rgba(99,102,241,0.15), rgba(6,182,212,0.1));
  border: 1px solid rgba(99,102,241,0.3);
  border-radius: var(--radius-xl);
  padding: 40px;
  text-align: center;
}
.cta-box h2 { font-size: 2.2rem; font-weight: 800; margin-bottom: 12px; }
.cta-box > p { color: var(--color-text-muted); margin-bottom: 32px; }
.cta-form__row { display: flex; gap: 12px; max-width: 500px; margin: 0 auto; }
.cta-form__input {
  flex: 1; padding: 14px 20px;
  background: var(--color-bg); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); color: var(--color-text);
  font-size: 0.95rem; font-family: var(--font-sans);
  outline: none; transition: border-color var(--transition);
}
.cta-form__input:focus { border-color: var(--color-primary); }
.cta-form__input::placeholder { color: var(--color-text-dim); }
.cta-form__note { font-size: 0.8rem; color: var(--color-text-dim); margin-top: 12px; }

/* ============================================
   Footer
   ============================================ */
.footer { padding: 40px 0 24px; border-top: 1px solid var(--color-border); }
.footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; margin-bottom: 24px; }
.footer__brand p { color: var(--color-text-muted); margin-top: 12px; font-size: 0.9rem; }
.footer__col h4 { font-size: 0.85rem; font-weight: 600; margin-bottom: 16px; text-transform: uppercase; letter-spacing: 0.05em; }
.footer__col a { display: block; padding: 4px 0; font-size: 0.9rem; color: var(--color-text-muted); transition: color var(--transition); }
.footer__col a:hover { color: var(--color-text); }
.footer__bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 24px; border-top: 1px solid var(--color-border); }
.footer__bottom p { font-size: 0.8rem; color: var(--color-text-dim); }
.footer__social { display: flex; gap: 16px; }
.footer__social a { color: var(--color-text-dim); font-weight: 700; font-size: 0.9rem; transition: color var(--transition); }
.footer__social a:hover { color: var(--color-text); }

/* ============================================
   Animations (scroll reveal)
   ============================================ */
.reveal {
  opacity: 0; transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal--visible { opacity: 1; transform: translateY(0); }

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
  .hero__title { font-size: 2.8rem; }
  .features__grid { grid-template-columns: repeat(2, 1fr); }
  .pricing__grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-card:last-child { grid-column: 1 / -1; max-width: 400px; margin: 0 auto; }
  .team__grid { grid-template-columns: repeat(3, 1fr); }
  .testimonials__grid { grid-template-columns: repeat(2, 1fr); }
  .testimonial-card:last-child { display: none; }
}

@media (max-width: 768px) {
  .nav__links, .nav__actions { display: none; }
  .nav__burger { display: block; }
  .nav__links.active {
    display: flex; flex-direction: column;
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--color-surface); border-bottom: 1px solid var(--color-border);
    padding: 24px; gap: 16px;
  }
  .nav__actions.active {
    display: flex;
    position: absolute; top: calc(100% + 200px); left: 0; right: 0;
    background: var(--color-surface); border-bottom: 1px solid var(--color-border);
    padding: 16px 24px; justify-content: center;
  }

  .hero__inner { grid-template-columns: 1fr; gap: 40px; }
  .hero__title { font-size: 2.2rem; }
  .hero { padding: 80px 0 32px; }

  .section-title { font-size: 1.8rem; }
  .features__grid { grid-template-columns: 1fr; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .pricing__grid { grid-template-columns: 1fr; }
  .pricing-card:last-child { max-width: none; }
  .pricing-card--featured { transform: none; }
  .testimonials__grid { grid-template-columns: 1fr; }
  .testimonial-card:last-child { display: block; }
  .team__grid { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer__brand { grid-column: 1 / -1; }

  .step { flex-direction: column; gap: 16px; }
  .cta-box { padding: 24px 16px; }
  .cta-form__row { flex-direction: column; }
  .cta-box h2 { font-size: 1.6rem; }

  .hero__ctas { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .hero__title { font-size: 1.8rem; }
  .stat__value { font-size: 2rem; }
  .team__grid { grid-template-columns: repeat(2, 1fr); }
}