:root {
  --ink: #101827;
  --muted: #617084;
  --navy: #07172f;
  --red: #d62f2f;
  --red-dark: #a91f1f;
  --gold: #f5b942;
  --line: #dce4ef;
  --soft: #f5f7fb;
  --white: #ffffff;
  --shadow: 0 26px 80px rgba(7, 23, 47, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

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

h1,
h2,
h3,
p,
span,
strong,
label,
button {
  overflow-wrap: break-word;
}

.demo-header {
  position: sticky;
  top: 0;
  z-index: 20;
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px clamp(16px, 5vw, 64px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.36);
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(16px);
}

.brand,
.demo-header nav,
.hero-actions,
.trust-row {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  color: var(--navy);
  font-weight: 950;
}

.brand span {
  width: 38px;
  height: 38px;
  display: inline-grid;
  place-items: center;
  border-radius: 8px;
  color: #fff;
  background: var(--navy);
  border-bottom: 4px solid var(--red);
}

.demo-header nav {
  gap: 18px;
  color: #35445a;
  font-weight: 850;
}

.hero,
.pricing-band,
.feature-section,
.request-section {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  min-height: 740px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.9fr);
  gap: clamp(24px, 5vw, 56px);
  align-items: center;
  padding: clamp(48px, 8vw, 104px) 0;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--red);
  font-size: 12px;
  font-weight: 950;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

h1 {
  max-width: 760px;
  margin: 0;
  color: var(--navy);
  font-size: clamp(44px, 7vw, 82px);
  line-height: 0.94;
}

.lede {
  max-width: 680px;
  margin: 24px 0 0;
  color: #334155;
  font-size: 18px;
}

.hero-actions,
.trust-row {
  flex-wrap: wrap;
  gap: 10px;
}

.hero-actions {
  margin-top: 28px;
}

.btn {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 950;
  cursor: pointer;
}

.btn.primary {
  color: #fff;
  background: var(--red);
  box-shadow: 0 18px 40px rgba(214, 47, 47, 0.22);
}

.btn.secondary {
  color: var(--navy);
  background: #fff;
  border-color: var(--line);
}

.trust-row {
  margin-top: 22px;
}

.trust-row span {
  min-height: 36px;
  padding: 0 12px;
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: #344055;
  font-size: 13px;
  font-weight: 850;
}

.preview-shell {
  overflow: hidden;
  border-radius: 8px;
  background: #0a1020;
  box-shadow: var(--shadow);
}

.preview-top {
  height: 44px;
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 0 16px;
  background: #101827;
}

.preview-top span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #f87171;
}

.preview-top span:nth-child(2) {
  background: #facc15;
}

.preview-top span:nth-child(3) {
  background: #22c55e;
}

.preview-screen {
  padding: 18px;
  background:
    radial-gradient(circle at 20% 10%, rgba(214, 47, 47, 0.32), transparent 35%),
    linear-gradient(135deg, #07172f, #10284b);
  color: #fff;
}

.storm-bar {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  padding: 0 12px;
  border-radius: 999px;
  color: #230b0b;
  background: var(--gold);
  font-size: 12px;
  font-weight: 950;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.mock-nav {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 18px;
  padding: 14px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.12);
}

.mock-hero {
  padding: 42px 0;
}

.mock-hero p {
  color: var(--gold);
  font-size: 12px;
  font-weight: 950;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.mock-hero h2 {
  margin: 0;
  font-size: clamp(32px, 5vw, 56px);
  line-height: 1.02;
}

.mock-buttons,
.mock-grid {
  display: grid;
  gap: 10px;
}

.mock-buttons {
  grid-template-columns: 1fr 1fr;
  margin-top: 18px;
}

.mock-buttons span,
.mock-grid span {
  padding: 13px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.14);
  font-weight: 900;
  text-align: center;
}

.mock-buttons span:first-child {
  background: var(--red);
}

.mock-grid {
  grid-template-columns: 1fr;
}

.pricing-band,
.feature-section,
.request-section {
  padding: clamp(56px, 8vw, 96px) 0;
}

.section-head {
  max-width: 760px;
  margin-bottom: 28px;
}

.section-head h2,
.request-section h2 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(32px, 4.6vw, 56px);
  line-height: 1.04;
}

.section-head p,
.request-section p,
.request-section li {
  color: var(--muted);
}

.price-grid,
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.price-card,
.feature-grid article,
.request-form {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 14px 44px rgba(7, 23, 47, 0.08);
}

.price-card,
.feature-grid article {
  padding: 24px;
}

.price-card.featured {
  border-color: rgba(214, 47, 47, 0.32);
  background:
    radial-gradient(circle at 100% 0%, rgba(214, 47, 47, 0.12), transparent 38%),
    #fff;
}

.price-card span {
  color: var(--red);
  font-size: 12px;
  font-weight: 950;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.price-card strong,
.feature-grid strong {
  display: block;
  margin-top: 12px;
  color: var(--navy);
  font-size: 21px;
  line-height: 1.18;
}

.price-card p,
.feature-grid span {
  display: block;
  color: var(--muted);
}

.request-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(340px, 1.1fr);
  gap: clamp(22px, 5vw, 52px);
  align-items: start;
}

.request-section ul {
  padding-left: 18px;
}

.request-form {
  display: grid;
  gap: 14px;
  padding: 24px;
}

.request-form label {
  display: grid;
  gap: 7px;
  color: #24324a;
  font-weight: 850;
}

.request-form input,
.request-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 13px 14px;
  color: var(--ink);
  font: inherit;
}

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

.demo-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 28px clamp(16px, 5vw, 64px);
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.demo-footer a {
  color: var(--red);
  font-weight: 900;
}

@media (max-width: 900px) {
  .demo-header nav {
    display: none;
  }

  .hero,
  .request-section {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .price-grid,
  .feature-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .hero,
  .pricing-band,
  .feature-section,
  .request-section {
    width: min(100% - 24px, 1180px);
  }

  h1 {
    font-size: clamp(36px, 13vw, 48px);
    line-height: 1.02;
  }

  .hero-actions,
  .hero-actions .btn,
  .mock-buttons {
    width: 100%;
    grid-template-columns: 1fr;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .trust-row span {
    width: 100%;
    justify-content: center;
  }

  .demo-footer {
    flex-direction: column;
  }
}
