:root {
  --bg: #f8fafc;
  --surface: #ffffff;
  --surface-soft: #f1f5f9;
  --ink: #111827;
  --muted: #64748b;
  --line: #e5e7eb;
  --primary: #7c3aed;
  --primary-dark: #5b21b6;
  --accent: #06b6d4;
  --warning: #f59e0b;
  --success: #10b981;
  --shadow: 0 22px 70px rgba(15, 23, 42, .10);
  --shadow-soft: 0 12px 38px rgba(15, 23, 42, .08);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 16px;
  --container: 1160px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(124, 58, 237, .15), transparent 34rem),
    radial-gradient(circle at top right, rgba(6, 182, 212, .14), transparent 30rem),
    var(--bg);
  line-height: 1.55;
}

body.menu-open { overflow: hidden; }

img, svg { max-width: 100%; }

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

.container {
  width: min(100% - 32px, var(--container));
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 999;
  padding: 10px 14px;
  border-radius: 12px;
  background: var(--ink);
  color: white;
  transition: top .2s ease;
}

.skip-link:focus { top: 16px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(18px);
  background: rgba(248, 250, 252, .78);
  border-bottom: 1px solid rgba(226, 232, 240, .75);
}

.navbar {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
}

.brand img {
  width: 176px;
  height: auto;
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
  color: #334155;
  font-weight: 650;
  font-size: 15px;
}

.nav-links a {
  position: relative;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 100%;
  height: 2px;
  border-radius: 20px;
  background: var(--primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .18s ease;
}

.nav-links a:hover::after,
.nav-links a:focus-visible::after { transform: scaleX(1); }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: white;
  color: var(--ink);
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: currentColor;
  border-radius: 99px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 44px;
  padding: 12px 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 800;
  font-size: 15px;
  cursor: pointer;
  transition: transform .16s ease, box-shadow .16s ease, background .16s ease, border-color .16s ease;
}

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

.btn-primary {
  color: white;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  box-shadow: 0 14px 30px rgba(124, 58, 237, .25);
}

.btn-primary:hover { box-shadow: 0 18px 38px rgba(124, 58, 237, .32); }

.btn-secondary {
  background: white;
  color: var(--ink);
  border-color: var(--line);
}

.btn-secondary:hover {
  border-color: rgba(124, 58, 237, .35);
  box-shadow: var(--shadow-soft);
}

.btn-ghost {
  background: transparent;
  color: #334155;
  border-color: transparent;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  padding: 8px 12px;
  border: 1px solid rgba(124, 58, 237, .18);
  border-radius: 999px;
  background: rgba(255, 255, 255, .72);
  color: #4c1d95;
  font-weight: 800;
  font-size: 13px;
}

.hero {
  padding: 86px 0 58px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 46px;
  align-items: center;
}

.hero h1 {
  margin: 20px 0 18px;
  font-size: clamp(42px, 6vw, 76px);
  line-height: .98;
  letter-spacing: -0.06em;
}

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

.lead {
  margin: 0;
  max-width: 690px;
  color: #475569;
  font-size: clamp(18px, 2vw, 21px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.hero-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
  color: #475569;
  font-size: 14px;
  font-weight: 700;
}

.hero-proof span {
  padding: 8px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,.7);
}

.hero-card {
  position: relative;
  padding: 22px;
  border: 1px solid rgba(226, 232, 240, .9);
  border-radius: var(--radius-xl);
  background: rgba(255,255,255,.82);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero-card::before {
  content: "";
  position: absolute;
  inset: -80px -40px auto auto;
  width: 220px;
  height: 220px;
  border-radius: 999px;
  background: rgba(6, 182, 212, .16);
}

.app-window {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 26px;
  overflow: hidden;
  background: white;
}

.window-topbar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 15px 18px;
  border-bottom: 1px solid var(--line);
  background: #f8fafc;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: #cbd5e1;
}

.dot:nth-child(1) { background: #fca5a5; }
.dot:nth-child(2) { background: #fcd34d; }
.dot:nth-child(3) { background: #86efac; }

.window-body { padding: 22px; }

.mini-stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.mini-stat {
  padding: 18px;
  border-radius: 20px;
  background: #f8fafc;
  border: 1px solid var(--line);
}

.mini-stat strong {
  display: block;
  font-size: 28px;
  line-height: 1;
}

.mini-stat span {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.live-panel {
  margin-top: 16px;
  padding: 18px;
  border-radius: 22px;
  background: #111827;
  color: white;
}

.live-panel small {
  color: #cbd5e1;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .08em;
}

.progress {
  height: 10px;
  margin-top: 14px;
  border-radius: 999px;
  background: rgba(255,255,255,.14);
  overflow: hidden;
}

.progress span {
  display: block;
  height: 100%;
  width: 68%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}

.floating-card {
  position: absolute;
  right: 2px;
  bottom: -18px;
  width: 220px;
  padding: 16px;
  border-radius: 22px;
  background: white;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
}

.qr-mock {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
  width: 56px;
  height: 56px;
  padding: 6px;
  border-radius: 12px;
  background: #f1f5f9;
}

.qr-mock i {
  border-radius: 3px;
  background: #111827;
}

.floating-card strong { display: block; margin-top: 10px; }
.floating-card span { display: block; color: var(--muted); font-size: 13px; }

.section {
  padding: 74px 0;
}

.section-header {
  max-width: 760px;
  margin: 0 auto 34px;
  text-align: center;
}

.section-kicker {
  margin: 0 0 8px;
  color: var(--primary);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.section-title {
  margin: 0;
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.section-text {
  margin: 14px auto 0;
  color: var(--muted);
  font-size: 18px;
}

.steps-grid,
.audience-grid,
.pricing-grid,
.security-grid {
  display: grid;
  gap: 18px;
}

.steps-grid { grid-template-columns: repeat(3, 1fr); }
.audience-grid { grid-template-columns: repeat(4, 1fr); }
.pricing-grid { grid-template-columns: repeat(4, 1fr); align-items: stretch; }
.security-grid { grid-template-columns: repeat(4, 1fr); }

.card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,.82);
  box-shadow: var(--shadow-soft);
}

.step-card,
.audience-card,
.security-card {
  padding: 24px;
}

.step-number,
.icon-bubble {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 16px;
  background: #ede9fe;
  color: var(--primary);
  font-weight: 900;
}

.step-card h3,
.security-card h3,
.audience-card h3 {
  margin: 18px 0 8px;
  font-size: 20px;
}

.step-card p,
.security-card p,
.audience-card p {
  margin: 0;
  color: var(--muted);
}

.modules-list {
  display: grid;
  gap: 22px;
}

.module-card {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 26px;
  align-items: center;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: white;
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.module-card:nth-child(even) {
  grid-template-columns: 1.1fr .9fr;
}

.module-card:nth-child(even) .module-visual {
  order: 2;
}

.module-visual img {
  display: block;
  width: 100%;
  border-radius: 24px;
}

.module-content { padding: 12px; }

.module-status {
  display: inline-flex;
  padding: 7px 11px;
  border-radius: 999px;
  background: #ecfdf5;
  color: #047857;
  font-size: 13px;
  font-weight: 900;
}

.module-card.is-coming .module-status {
  background: #f1f5f9;
  color: #475569;
}

.module-content h3 {
  margin: 16px 0 8px;
  font-size: clamp(28px, 4vw, 40px);
  letter-spacing: -0.04em;
  line-height: 1.05;
}

.module-content p {
  margin: 0;
  color: #475569;
  font-size: 17px;
}

.feature-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 14px;
  padding: 0;
  margin: 22px 0;
  list-style: none;
}

.feature-list li {
  position: relative;
  padding-left: 26px;
  color: #334155;
  font-weight: 650;
}

.feature-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--success);
  font-weight: 900;
}

.module-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.pricing-note {
  max-width: 840px;
  margin: -8px auto 28px;
  padding: 16px 18px;
  border: 1px solid rgba(245, 158, 11, .28);
  border-radius: 18px;
  background: rgba(255, 251, 235, .75);
  color: #92400e;
  font-weight: 750;
  text-align: center;
}

.price-card {
  position: relative;
  padding: 26px;
  overflow: hidden;
}

.price-card.featured {
  border-color: rgba(124, 58, 237, .34);
  box-shadow: 0 24px 70px rgba(124, 58, 237, .16);
}

.price-pill {
  position: absolute;
  top: 18px;
  right: 18px;
  padding: 7px 10px;
  border-radius: 999px;
  background: #ede9fe;
  color: var(--primary);
  font-size: 12px;
  font-weight: 900;
}

.price-card h3 {
  margin: 0 0 8px;
  font-size: 24px;
}

.price {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin: 18px 0 6px;
}

.price strong {
  font-size: 42px;
  line-height: 1;
  letter-spacing: -0.05em;
}

.price span { color: var(--muted); font-weight: 800; }

.price-card p { color: var(--muted); margin: 0; }

.limits {
  padding: 0;
  margin: 22px 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.limits li {
  display: flex;
  gap: 10px;
  color: #334155;
}

.limits li::before {
  content: "•";
  color: var(--primary);
  font-weight: 900;
}

.demo-band {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
  padding: 34px;
  border-radius: var(--radius-xl);
  background: #111827;
  color: white;
  box-shadow: var(--shadow);
}

.demo-band h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.04;
  letter-spacing: -0.04em;
}

.demo-band p {
  max-width: 720px;
  margin: 12px 0 0;
  color: #cbd5e1;
  font-size: 18px;
}

.demo-actions { display: flex; flex-wrap: wrap; gap: 10px; }

.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.faq-item {
  padding: 22px;
}

.faq-item h3 {
  margin: 0 0 8px;
  font-size: 19px;
}

.faq-item p {
  margin: 0;
  color: var(--muted);
}

.contact-card {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 28px;
  padding: 34px;
  border-radius: var(--radius-xl);
  background: white;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
}

.contact-card h2 {
  margin: 0;
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.contact-card p { color: var(--muted); font-size: 18px; }

.contact-list {
  padding: 0;
  margin: 22px 0 0;
  list-style: none;
  display: grid;
  gap: 10px;
  color: #334155;
  font-weight: 700;
}

.contact-form {
  display: grid;
  gap: 14px;
}

.field {
  display: grid;
  gap: 7px;
}

.field label {
  font-weight: 850;
  color: #334155;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #f8fafc;
  color: var(--ink);
  font: inherit;
  outline: none;
  transition: border-color .16s ease, box-shadow .16s ease, background .16s ease;
}

.field textarea { resize: vertical; min-height: 128px; }

.field input:focus,
.field select:focus,
.field textarea:focus {
  background: white;
  border-color: rgba(124, 58, 237, .55);
  box-shadow: 0 0 0 4px rgba(124, 58, 237, .12);
}

.form-help {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.site-footer {
  padding: 42px 0;
  border-top: 1px solid var(--line);
  background: white;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr .8fr .8fr;
  gap: 28px;
  align-items: start;
}

.footer-logo { width: 160px; }

.footer-grid p {
  max-width: 390px;
  color: var(--muted);
}

.footer-links {
  display: grid;
  gap: 10px;
}

.footer-links h3 {
  margin: 0 0 6px;
  font-size: 15px;
}

.footer-links a {
  color: #475569;
  font-weight: 650;
}

.footer-bottom {
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .5s ease, transform .5s ease;
}

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

@media (max-width: 1100px) {
  .pricing-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 980px) {
  .nav-links,
  .nav-actions { display: none; }
  .menu-toggle { display: inline-block; }
  .mobile-menu {
    position: fixed;
    inset: 78px 16px auto 16px;
    display: none;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 22px;
    background: white;
    box-shadow: var(--shadow);
  }
  .mobile-menu.is-open { display: grid; gap: 10px; }
  .mobile-menu a { padding: 12px; border-radius: 12px; font-weight: 800; color: #334155; }
  .mobile-menu a:hover { background: #f8fafc; }
  .hero-grid,
  .contact-card,
  .demo-band { grid-template-columns: 1fr; }
  .steps-grid,
  .security-grid { grid-template-columns: 1fr 1fr; }
  .audience-grid { grid-template-columns: 1fr 1fr; }
  .module-card,
  .module-card:nth-child(even) { grid-template-columns: 1fr; }
  .module-card:nth-child(even) .module-visual { order: 0; }
  .demo-actions { justify-content: flex-start; }
}

@media (max-width: 640px) {
  .container { width: min(100% - 24px, var(--container)); }
  .brand img { width: 150px; }
  .hero { padding: 54px 0 40px; }
  .section { padding: 52px 0; }
  .steps-grid,
  .pricing-grid,
  .security-grid,
  .audience-grid,
  .faq-grid,
  .feature-list,
  .mini-stat-grid { grid-template-columns: 1fr; }
  .module-card,
  .contact-card,
  .demo-band { padding: 18px; border-radius: 24px; }
  .floating-card { position: static; width: 100%; margin-top: 16px; }
  .hero-actions .btn,
  .module-actions .btn,
  .demo-actions .btn { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }
}