:root {
  --bg: #07111f;
  --bg-soft: #0d1b31;
  --surface: rgba(12, 24, 44, 0.84);
  --surface-strong: #102744;
  --surface-border: rgba(255, 255, 255, 0.09);
  --text: #f4f7fb;
  --muted: #aebcd1;
  --accent: #6ec1ff;
  --accent-strong: #8d7dff;
  --success: #8ef0c0;
  --danger: #ffb0b0;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
  --radius: 24px;
  --radius-sm: 16px;
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(110, 193, 255, 0.14), transparent 28%),
    radial-gradient(circle at top right, rgba(141, 125, 255, 0.16), transparent 24%),
    linear-gradient(180deg, #08111f 0%, #0b1630 46%, #08111f 100%);
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.65), transparent 88%);
}

body.modal-open {
  overflow: hidden;
}

button,
a,
input {
  font: inherit;
}

button {
  border: 0;
}

button,
a {
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease, background-color 180ms ease;
}

img {
  max-width: 100%;
  display: block;
}

.page-shell {
  width: min(calc(100% - 32px), var(--container));
  margin: 0 auto;
  padding: 24px 0 72px;
  position: relative;
  z-index: 1;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0 22px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.brand-mark {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  box-shadow: 0 0 0 8px rgba(110, 193, 255, 0.08);
}

.topbar-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 999px;
  text-decoration: none;
  cursor: pointer;
}

.button-primary,
.topbar-cta {
  color: #06111d;
  background: linear-gradient(135deg, #e7f6ff, #8bd1ff 55%, #78a7ff);
  box-shadow: 0 14px 34px rgba(110, 193, 255, 0.24);
  font-weight: 700;
}

.button-secondary {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.button:hover,
.topbar-cta:hover,
.button:focus-visible,
.topbar-cta:focus-visible {
  transform: translateY(-1px);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(300px, 0.9fr);
  gap: 28px;
  align-items: stretch;
  padding: 36px 0 28px;
}

.hero-copy,
.hero-card-inner,
.audience-panel,
.scenario-card,
.step-card,
.trust-card,
.faq-item,
.modal-dialog {
  backdrop-filter: blur(18px);
  background: var(--surface);
  border: 1px solid var(--surface-border);
  box-shadow: var(--shadow);
}

.hero-copy {
  border-radius: 32px;
  padding: 40px;
  position: relative;
  overflow: hidden;
}

.hero-copy::after {
  content: "";
  position: absolute;
  inset: auto -10% -35% 25%;
  height: 220px;
  background: radial-gradient(circle, rgba(110, 193, 255, 0.22), transparent 60%);
  pointer-events: none;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.76rem;
  font-weight: 700;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  font-size: clamp(2.3rem, 5vw, 4.55rem);
  line-height: 0.98;
  margin-bottom: 18px;
  max-width: 11ch;
}

h2 {
  font-size: clamp(1.8rem, 3vw, 3rem);
  line-height: 1.06;
  margin-bottom: 14px;
}

h3 {
  font-size: 1.22rem;
  line-height: 1.2;
  margin-bottom: 12px;
}

p {
  color: var(--muted);
  line-height: 1.62;
}

.hero-text {
  max-width: 62ch;
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 28px 0 24px;
}

.hero-points {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-points li {
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  font-weight: 600;
}

.hero-card {
  position: relative;
}

.hero-card-inner {
  height: 100%;
  min-height: 100%;
  border-radius: 32px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background:
    linear-gradient(180deg, rgba(19, 42, 74, 0.96), rgba(8, 17, 31, 0.88)),
    linear-gradient(135deg, rgba(110, 193, 255, 0.18), transparent 42%);
}

.metric-card {
  padding: 22px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 18px;
}

.metric-card strong,
.metric-grid strong {
  display: block;
  color: var(--text);
  font-size: 1.35rem;
  margin-bottom: 8px;
}

.metric-label,
.metric-grid span,
.step-number {
  display: inline-block;
  color: var(--accent);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 10px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.metric-grid div {
  border-radius: 20px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.section {
  padding: 42px 0 0;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 24px;
}

.section-heading.narrow {
  max-width: 680px;
}

.scenario-grid,
.steps-grid,
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.steps-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.trust-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.scenario-card,
.step-card,
.trust-card {
  border-radius: 24px;
  padding: 24px;
}

.audience-panel {
  border-radius: 28px;
  padding: 30px;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 24px;
  align-items: start;
}

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-item {
  border-radius: 20px;
  padding: 0;
  overflow: hidden;
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 22px 24px;
  font-weight: 700;
  position: relative;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--accent);
  font-size: 1.4rem;
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item p {
  padding: 0 24px 22px;
  margin: 0;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 18px;
}

.modal[hidden] {
  display: none;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(3, 8, 15, 0.72);
}

.modal-dialog {
  position: relative;
  z-index: 1;
  width: min(100%, 540px);
  border-radius: 28px;
  padding: 28px;
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  cursor: pointer;
}

.modal-text {
  margin-bottom: 22px;
}

.field {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
}

.field span {
  color: var(--text);
  font-weight: 600;
}

.field em {
  color: var(--muted);
  font-style: normal;
  font-weight: 500;
}

.field input {
  width: 100%;
  min-height: 54px;
  padding: 0 16px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  outline: none;
}

.field input:focus {
  border-color: rgba(110, 193, 255, 0.55);
  box-shadow: 0 0 0 4px rgba(110, 193, 255, 0.12);
}

.button-block {
  width: 100%;
}

.form-note,
.form-error {
  margin: 14px 0 0;
  font-size: 0.95rem;
}

.form-error {
  color: var(--danger);
  min-height: 1.4em;
}

.modal-state-success p:last-of-type {
  margin-bottom: 22px;
}

@media (max-width: 1080px) {
  .hero,
  .audience-panel,
  .scenario-grid,
  .steps-grid,
  .trust-grid {
    grid-template-columns: 1fr;
  }

  h1 {
    max-width: 13ch;
  }
}

@media (max-width: 720px) {
  .page-shell {
    width: min(calc(100% - 24px), var(--container));
    padding-top: 16px;
    padding-bottom: 56px;
  }

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

  .hero-copy,
  .hero-card-inner,
  .scenario-card,
  .step-card,
  .trust-card,
  .audience-panel,
  .modal-dialog {
    padding: 22px;
    border-radius: 22px;
  }

  h1 {
    font-size: clamp(2rem, 12vw, 3rem);
  }

  h2 {
    font-size: clamp(1.6rem, 9vw, 2.2rem);
  }

  .hero-actions {
    flex-direction: column;
  }

  .button,
  .topbar-cta {
    width: 100%;
  }

  .hero-points {
    flex-direction: column;
  }

  .faq-item summary {
    padding-right: 54px;
  }
}