:root {
  --bg: #f5f7fb;
  --card: #ffffff;
  --accent: #3b82f6;
  --accent-soft: rgba(59, 130, 246, 0.12);
  --text: #1f2933;
  --muted: #667085;
  --border: #e4e7ec;
  --shadow: rgba(105, 145, 255, 0.15);
  font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: radial-gradient(circle at top, rgba(59, 130, 246, 0.18), transparent 55%), var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

nav,
.site-nav {
  display: flex;
}

.site-nav {
  align-items: center;
  justify-content: space-between;
  padding: 1rem clamp(1.25rem, 4vw, 5rem);
  position: relative;
  z-index: 10;
  background: rgba(255, 255, 255, 0.85);
  border-bottom: 1px solid rgba(226, 232, 240, 0.7);
}

.site-nav__logo {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--text);
}

.logo-dot {
  width: 0.65rem;
  height: 0.65rem;
  border-radius: 50%;
  background: linear-gradient(130deg, #facc15, #f97316);
  display: inline-block;
  box-shadow: 0 0 0 3px rgba(251, 191, 36, 0.3);
}

.site-nav__links {
  list-style: none;
  display: flex;
  gap: 1.25rem;
  padding: 0;
  margin: 0;
  font-size: 0.95rem;
}

.site-nav__links a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 600;
  transition: color 150ms ease;
}

.site-nav__links a:hover {
  color: var(--accent);
}

.site-nav__cta {
  font-size: 0.85rem;
  padding: 0.65rem 1.2rem;
}

.site-nav__links,
.site-nav__cta {
  flex-wrap: wrap;
}

.site-nav {
  flex-wrap: wrap;
  gap: 0.75rem;
}

.site-nav__links {
  flex: 1;
  justify-content: center;
  flex-wrap: wrap;
}

.site-nav__cta {
  white-space: nowrap;
}
img {
  max-width: 100%;
  border-radius: 16px;
  box-shadow: 0 25px 45px rgba(79, 114, 205, 0.2);
}

.ui-preview img {
  max-width: 320px;
}

.ui-preview {
  padding: 1.2rem;
  border-radius: 24px;
  background: rgba(250, 232, 255, 0.7);
  border: 1px solid rgba(236, 72, 153, 0.25);
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.75rem;
  box-shadow: 0 18px 40px rgba(148, 163, 184, 0.2);
}

.messaging-preview {
  padding: 1.4rem;
  border-radius: 24px;
  background: rgba(59, 130, 246, 0.08);
  border: 1px solid rgba(59, 130, 246, 0.25);
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.8rem;
  box-shadow: 0 25px 55px rgba(59, 130, 246, 0.2);
}

.messaging-preview img {
  width: 100%;
  max-width: 420px;
  border-radius: 14px;
  box-shadow: none;
}

.whisper-section {
  background: rgba(248, 250, 252, 0.8);
}

.whisper-points {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0;
}

.whisper-points li {
  margin-bottom: 0.6rem;
  padding-left: 1.4rem;
  position: relative;
}

.whisper-points li::before {
  content: '–';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent);
  font-weight: 700;
}

.whisper-card {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.12), rgba(14, 165, 233, 0.18));
  border-radius: 30px;
  padding: 2rem;
  color: #0f172a;
  border: 1px solid rgba(59, 130, 246, 0.3);
  box-shadow: 0 30px 70px rgba(59, 130, 246, 0.25);
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  font-weight: 600;
}

.whisper-card__label {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  color: rgba(15, 23, 42, 0.7);
}

.hero {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  padding: 4rem clamp(1.25rem, 4vw, 5rem);
  align-items: center;
  background: var(--card);
  border-radius: 32px;
  margin: 2rem clamp(1.25rem, 4vw, 5rem);
  box-shadow: 0 30px 80px rgba(129, 146, 175, 0.25);
}

.hero__content h1 {
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.1;
  margin-bottom: 1rem;
}

.hero__visual {
  text-align: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.75rem;
}

.badge--demo {
  background: rgba(236, 72, 153, 0.18);
  color: #db2777;
  margin-bottom: 0.75rem;
}

.lead {
  color: var(--muted);
  font-size: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  border-radius: 999px;
  font-weight: 600;
  border: 1px solid transparent;
  text-decoration: none;
  transition: transform 150ms ease, opacity 150ms ease;
}

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

.btn--primary {
  background: linear-gradient(120deg, #4984ff, #6ea1ff);
  color: #fff;
  box-shadow: 0 10px 28px rgba(78, 133, 255, 0.4);
}

.btn--ghost {
  border-color: rgba(31, 41, 51, 0.2);
  color: var(--accent);
  background: rgba(59, 130, 246, 0.08);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.5rem;
}

.hero__note {
  margin-top: 1rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.demo-section {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(14, 165, 233, 0.12));
}

.demo-content {
  display: flex;
  flex-wrap: wrap;
  gap: 2.5rem;
  align-items: center;
}

.demo-content > div,
.demo-content > .demo-video {
  flex: 1 1 320px;
}

.demo-video video {
  width: 100%;
  border-radius: 28px;
  border: 1px solid rgba(148, 163, 184, 0.4);
  box-shadow: 0 45px 90px rgba(15, 23, 42, 0.25);
}

.section {
  padding: clamp(3rem, 6vw, 4.5rem) clamp(1.25rem, 4vw, 5rem);
  border-top: 1px solid var(--border);
}

.section--grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}

.section--accent {
  background: rgba(255, 255, 255, 0.85);
}

.feature-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  padding: 0;
  margin: 2rem 0 0;
}

.feature-list li {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 1.5rem;
  box-shadow: 0 20px 50px var(--shadow);
}

.feature-emoji {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.08);
  font-size: 1.4rem;
  margin-bottom: 0.75rem;
}

.steps {
  counter-reset: step;
  list-style: none;
  padding: 0;
}

.steps li {
  position: relative;
  padding-left: 3rem;
  margin-bottom: 1.25rem;
  color: var(--text);
}

.steps li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
}

.quote {
  margin-top: 2rem;
  padding: 1.5rem;
  background: linear-gradient(120deg, rgba(59, 130, 246, 0.12), rgba(111, 177, 255, 0.15));
  border-radius: 16px;
  border: 1px solid rgba(59, 130, 246, 0.25);
  font-style: italic;
}

.pill-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0;
  margin: 1.5rem 0 0;
}

.pill-list li {
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 600;
}

.pill-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.pill-card {
  background: #fff;
  border-radius: 20px;
  border: 1px solid var(--border);
  padding: 1.6rem 1.5rem 1.7rem;
  box-shadow: 0 18px 40px rgba(148, 163, 184, 0.25);
}

.pill-card h3 {
  margin-top: 0.9rem;
  margin-bottom: 0.4rem;
}

.story-highlight {
  background: radial-gradient(circle at top left, rgba(15, 23, 42, 0.92), rgba(37, 99, 235, 0.9));
  color: #f8fafc;
  position: relative;
  overflow: hidden;
}

.story-highlight::after {
  content: '';
  position: absolute;
  inset: 10% auto auto 55%;
  width: 420px;
  height: 420px;
  background: rgba(59, 130, 246, 0.18);
  filter: blur(60px);
  opacity: 0.7;
  z-index: 0;
}

.story-highlight__header {
  position: relative;
  z-index: 1;
  max-width: 920px;
  margin: 0 auto 3rem;
  text-align: center;
}

.story-highlight__tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 0.72rem;
  font-weight: 700;
  color: rgba(226, 232, 240, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.35);
  margin-bottom: 1.5rem;
}

.story-highlight__header h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1rem;
}

.story-highlight__header p {
  color: rgba(226, 232, 240, 0.95);
}

.story-highlight__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(460px, 1fr));
  gap: 1.8rem;
  max-width: 1200px;
  margin: 0 auto;
}

.story-chapter {
  background: rgba(15, 23, 42, 0.75);
  border: 1px solid rgba(148, 163, 184, 0.35);
  border-radius: 26px;
  padding: 1.75rem;
  box-shadow: 0 35px 70px rgba(2, 6, 23, 0.55);
  backdrop-filter: blur(10px);
}

.story-chapter + .story-chapter {
  margin-top: 0;
}

.story-chapter:nth-child(odd) {
  justify-self: stretch;
}

.story-chapter:nth-child(even) {
  justify-self: stretch;
}

.story-chapter h3 {
  margin-top: 0;
  margin-bottom: 0.75rem;
  font-size: 1.35rem;
}

.story-chapter h4 {
  margin-top: 1.25rem;
  margin-bottom: 0.6rem;
  font-size: 1rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: #93c5fd;
}

.story-chapter ul {
  padding-left: 1.2rem;
  margin: 0.5rem 0 1rem;
  color: rgba(226, 232, 240, 0.92);
}

.story-chapter li {
  margin-bottom: 0.35rem;
}

.story-chapter blockquote {
  margin: 1rem 0;
  padding: 1rem 1.25rem;
  border-left: 4px solid rgba(248, 250, 252, 0.9);
  background: rgba(15, 23, 42, 0.6);
  border-radius: 16px;
  font-style: italic;
}

.story-chapter blockquote p {
  margin: 0.4rem 0;
}

.story-chapter__figure {
  margin: 1rem 0 1.25rem;
  text-align: center;
}

.story-chapter__figure img {
  width: 100%;
  border-radius: 18px;
  border: 1px solid rgba(148, 163, 184, 0.35);
  box-shadow: 0 25px 50px rgba(2, 6, 23, 0.4);
}

.story-chapter__figure figcaption {
  margin-top: 0.65rem;
  font-size: 0.85rem;
  color: rgba(226, 232, 240, 0.75);
}

.story-chapter code {
  background: rgba(15, 23, 42, 0.9);
  color: #facc15;
  padding: 0.1rem 0.4rem;
  border-radius: 6px;
  font-size: 0.9rem;
}

.story-chapter--close {
  background: linear-gradient(140deg, rgba(14, 165, 233, 0.15), rgba(37, 99, 235, 0.2));
  border-color: rgba(125, 211, 252, 0.6);
  grid-column: 1 / -1;
  max-width: min(720px, 66vw);
  margin: 0 auto;
}

.pill-icon {
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  background: #fff;
  border: 1px solid rgba(248, 113, 113, 0.4);
  color: #ef4444;
}

.target-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
}

.target-list li {
  margin-bottom: 0.65rem;
  padding-left: 1.4rem;
  position: relative;
}

.target-list li::before {
  content: '•';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent);
  font-weight: 700;
}

.target-note {
  color: var(--muted);
  font-size: 0.95rem;
}

.security-section {
  background: rgba(15, 23, 42, 0.04);
}

.security-section .section--grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.security-copy {
  order: 1;
}

.security-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  order: 2;
}

.security-visual img {
  width: 180px;
  max-width: 70%;
  filter: drop-shadow(0 30px 60px rgba(15, 23, 42, 0.35));
}

.security-section > .section--grid > div:last-child {
  order: 3;
}

.security-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0 1.5rem;
}

.security-list li {
  margin-bottom: 0.65rem;
  padding-left: 1.4rem;
  position: relative;
  color: var(--text);
}

.security-list li::before {
  content: '✔';
  position: absolute;
  left: 0;
  top: 0;
  color: #0ea5e9;
  font-weight: 700;
}

.pro-section {
  background: rgba(14, 165, 233, 0.04);
}

.section__intro {
  max-width: 760px;
}

.pro-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.pro-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 1.75rem;
  box-shadow: 0 18px 45px rgba(59, 130, 246, 0.1);
}

.pro-card__image {
  margin: 0 0 1rem;
  padding: 0.65rem;
  border-radius: 22px;
  background: rgba(226, 232, 240, 0.4);
  border: 1px solid rgba(148, 163, 184, 0.5);
}

.pro-card__image img {
  width: 100%;
  border-radius: 18px;
  display: block;
}

.pro-card__image--icon {
  width: 140px;
  height: 120px;
  margin-left: auto;
  margin-right: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem;
  background: #fff;
  border: 1px solid rgba(59, 130, 246, 0.25);
  border-radius: 30px;
  box-shadow: inset 0 0 0 8px rgba(59, 130, 246, 0.05), 0 20px 40px rgba(59, 130, 246, 0.12);
}

.pro-card__image--icon img {
  width: auto;
  height: auto;
  max-width: 50px;
  border-radius: 8px;
}

.requirements-section {
  background: #fff6fb;
}

.requirements-card {
  border: 2px solid rgba(236, 72, 153, 0.4);
  border-radius: 24px;
  padding: 2rem;
  background: #fff;
  box-shadow: 0 18px 45px rgba(236, 72, 153, 0.15);
}

.requirements-card h3 {
  color: #db2777;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.95rem;
}

.target-graphic {
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.target-graphic img {
  width: 100%;
  max-width: 320px;
  display: block;
  border-radius: 24px;
}

.usecase-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.25rem;
}

.usecase-card {
  background: var(--card);
  border-radius: 18px;
  padding: 1.5rem;
  border: 1px solid var(--border);
  box-shadow: 0 18px 40px rgba(79, 114, 205, 0.18);
}

.section--pricing {
  background: rgba(255, 255, 255, 0.96);
}

.pricing-intro {
  max-width: 720px;
  margin: 0 auto 2rem;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.pricing-card {
  background: #fff;
  border-radius: 22px;
  border: 1px solid var(--border);
  padding: 1.75rem 1.6rem;
  box-shadow: 0 20px 48px rgba(148, 163, 184, 0.3);
}

.pricing-card ul {
  padding-left: 1.1rem;
}

.pricing-card li {
  margin-bottom: 0.35rem;
}

.pricing-note {
  margin-top: 0.75rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.section--metrics {
  background: radial-gradient(circle at top, rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 1));
  color: #f9fafb;
  text-align: center;
}

.section--metrics h2 {
  margin-bottom: 0.5rem;
}

.metrics-intro {
  max-width: 640px;
  margin: 0 auto 2.5rem;
  color: #e5e7eb;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 1rem;
}

.metric-card {
  border-radius: 28px;
  padding: 2rem 1.5rem;
  background: radial-gradient(circle at top left, rgba(248, 250, 252, 0.08), transparent 55%), rgba(15, 23, 42, 0.9);
  box-shadow: 0 26px 60px rgba(15, 23, 42, 0.8);
  border: 1px solid rgba(248, 250, 252, 0.08);
}

.metric-value {
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: 0.03em;
}

.metric-label {
  margin-top: 0.4rem;
  margin-bottom: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: #cbd5f5;
}

.section--cta {
  text-align: center;
}

.cta-form {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

.cta-form label {
  display: flex;
  flex-direction: column;
  text-align: left;
  gap: 0.3rem;
  font-size: 0.9rem;
}

input,
select {
  padding: 0.85rem 1rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #fdfdff;
  color: var(--text);
}

input:focus,
select:focus {
  outline: 2px solid var(--accent);
  border-color: transparent;
}

.site-footer {
  text-align: center;
  padding: 2rem 1rem 4rem;
  color: var(--muted);
  font-size: 0.9rem;
  background: linear-gradient(0deg, rgba(255, 255, 255, 0.92), transparent);
}

@media (min-width: 640px) {
  .cta-form {
    grid-template-columns: repeat(3, 1fr);
    align-items: end;
  }

  .cta-form button {
    width: 100%;
  }
}