:root {
  --ink: #1d1e38;
  --muted: #667085;
  --line: #dde6f3;
  --paper: #f4f8ff;
  --white: #ffffff;
  --brand: #1f63ff;
  --brand-dark: #1d1e38;
  --brand-bright: #0b6fff;
  --brand-soft: #e6f2ff;
  --cyan: #09bfd7;
  --orange: #ffad00;
  --danger: #ff4d64;
  --warning: #ff8a00;
  --violet: #635bff;
  --shadow: 0 18px 45px rgba(9, 33, 83, 0.13);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: #f5f6fb;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px max(18px, env(safe-area-inset-left)) 14px max(18px, env(safe-area-inset-right));
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid rgba(224, 229, 240, 0.8);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  line-height: 0;
}

.brand img {
  display: block;
  width: 112px;
  height: auto;
}

.desktop-nav {
  display: none;
  align-items: center;
  gap: 20px;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 700;
}

.nav-cta {
  display: none;
  color: var(--white);
  background: var(--brand);
  border-radius: 999px;
  padding: 10px 16px;
  font-size: 0.9rem;
  font-weight: 800;
}

.hero {
  position: relative;
  display: grid;
  gap: 42px;
  max-width: 1160px;
  margin: 0 auto;
  padding: 48px 22px 52px;
  overflow: hidden;
}

.hero::before {
  position: absolute;
  inset: 0 0 auto;
  height: 72%;
  content: "";
  background:
    linear-gradient(135deg, rgba(31, 99, 255, 0.14), rgba(9, 191, 215, 0.14)),
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(244, 248, 255, 0.7));
  border-bottom-left-radius: 28px;
  border-bottom-right-radius: 28px;
  z-index: -1;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  gap: 24px;
  max-width: 680px;
}

.eyebrow {
  margin: 0;
  color: var(--brand);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  line-height: 1.55;
  text-transform: uppercase;
  text-wrap: balance;
}

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

h1 {
  max-width: 700px;
  font-size: clamp(2.25rem, 5.2vw, 3.6rem);
  line-height: 1.14;
  letter-spacing: 0;
  text-wrap: balance;
}

h2 {
  font-size: clamp(1.75rem, 4.6vw, 2.75rem);
  line-height: 1.18;
  letter-spacing: 0;
  text-wrap: balance;
}

h3 {
  font-size: 1.06rem;
  letter-spacing: 0;
}

.hero-lead {
  max-width: 620px;
  color: #46556c;
  font-size: 1rem;
  line-height: 1.85;
  text-wrap: pretty;
}

.hero-actions {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 4px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 14px 18px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-weight: 800;
  text-align: center;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

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

.btn-primary {
  color: var(--white);
  background: var(--brand-bright);
  box-shadow: 0 12px 28px rgba(6, 77, 255, 0.24);
}

.btn-primary:hover {
  background: var(--brand-dark);
}

.btn-secondary {
  color: var(--brand);
  background: var(--white);
  border-color: rgba(6, 77, 255, 0.22);
}

.btn-secondary:hover {
  background: var(--brand-soft);
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 2px;
}

.trust-row span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 8px 12px;
  border-radius: 999px;
  color: #2a334c;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.88);
  font-size: 0.82rem;
  font-weight: 700;
}

.hero-visual {
  display: grid;
  place-items: center;
  min-height: 460px;
}

.product-shot {
  position: relative;
  width: min(520px, 100%);
  padding: 12px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(221, 230, 243, 0.92);
  border-radius: 22px;
  box-shadow: 0 24px 54px rgba(29, 30, 56, 0.16);
}

.product-shot-head {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 7px;
  min-height: 42px;
  padding: 0 8px 10px;
  color: var(--ink);
  font-size: 0.78rem;
}

.product-shot-head strong {
  margin-left: 4px;
}

.window-dot {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  font-size: 0;
}

.cyan-dot {
  background: var(--cyan);
}

.blue-dot {
  background: var(--brand);
}

.orange-dot {
  background: var(--orange);
}

.product-shot img {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: auto;
  border-radius: 16px;
  background: var(--white);
}

.strip {
  display: grid;
  gap: 1px;
  max-width: 1060px;
  margin: 0 auto;
  padding: 0 18px;
}

.strip div {
  display: grid;
  gap: 4px;
  padding: 18px;
  background: var(--white);
  border: 1px solid var(--line);
}

.strip div:first-child {
  border-top-left-radius: 8px;
  border-top-right-radius: 8px;
}

.strip div:last-child {
  border-bottom-left-radius: 8px;
  border-bottom-right-radius: 8px;
}

.strip strong {
  font-size: 1.45rem;
}

.strip span {
  color: var(--muted);
  font-size: 0.92rem;
}

.section {
  max-width: 1060px;
  margin: 0 auto;
  padding: 64px 18px 0;
}

.section-heading {
  display: grid;
  gap: 12px;
  max-width: 760px;
  margin-bottom: 24px;
}

.feature-grid {
  display: grid;
  gap: 12px;
}

.feature-card {
  display: grid;
  gap: 12px;
  padding: 20px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.feature-card p,
.audience-copy p,
.price-panel p,
.faq p {
  color: var(--muted);
  line-height: 1.65;
}

.feature-icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  color: var(--brand);
  background: var(--brand-soft);
  border-radius: 8px;
  font-size: 0.86rem;
  font-weight: 800;
}

.audience {
  display: grid;
  gap: 24px;
}

.audience-copy {
  display: grid;
  gap: 12px;
}

.scenario-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.scenario-list span {
  min-height: 58px;
  padding: 17px 14px;
  background: var(--brand-dark);
  color: var(--white);
  border-radius: 8px;
  font-weight: 800;
}

.price-panel {
  display: grid;
  gap: 24px;
  align-items: center;
}

.price-panel > div:first-child {
  display: grid;
  gap: 13px;
}

.price-panel small {
  color: var(--muted);
}

.price-box {
  display: grid;
  gap: 10px;
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.price-box span {
  color: var(--muted);
  font-weight: 700;
}

.price-box strong {
  color: var(--brand);
  font-size: clamp(2.3rem, 12vw, 4.4rem);
  line-height: 1;
}

.faq-list {
  display: grid;
  gap: 10px;
}

details {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

summary {
  cursor: pointer;
  min-height: 58px;
  padding: 18px;
  font-weight: 800;
}

details p {
  padding: 0 18px 18px;
}

.final-cta {
  display: grid;
  gap: 18px;
  max-width: 1060px;
  margin: 64px auto 0;
  padding: 36px 18px 42px;
  color: var(--white);
  background: linear-gradient(135deg, var(--brand-dark), var(--brand-bright));
}

.final-cta .eyebrow {
  color: #dcecff;
}

.final-cta .btn-secondary {
  color: var(--white);
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.26);
}

.footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 24px 18px 104px;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer img {
  width: 92px;
  height: auto;
}

.sticky-cta {
  position: fixed;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 30;
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 10px;
  padding: 12px max(14px, env(safe-area-inset-left)) max(12px, env(safe-area-inset-bottom)) max(14px, env(safe-area-inset-right));
  background: rgba(255, 255, 255, 0.9);
  border-top: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.sticky-cta .btn {
  min-height: 50px;
}

.wa-icon {
  display: none;
  width: 24px;
  height: 24px;
  fill: currentColor;
}

@media (max-width: 520px) {
  .site-header {
    padding-top: 18px;
    padding-bottom: 18px;
  }

  .brand img {
    width: 104px;
  }

  .hero {
    gap: 36px;
    padding: 54px 22px 48px;
  }

  .hero-copy {
    gap: 26px;
  }

  h1 {
    font-size: clamp(2.15rem, 9.4vw, 2.85rem);
    line-height: 1.16;
  }

  .hero-lead {
    font-size: 1rem;
    line-height: 1.9;
  }

  .hero-actions {
    gap: 14px;
    margin-top: 2px;
  }

  .trust-row {
    gap: 10px;
    margin-top: 0;
  }

  .hero-visual {
    min-height: auto;
  }

}

@media (min-width: 640px) {
  .hero-actions {
    display: flex;
    align-items: center;
    gap: 16px;
  }

  .trust-row {
    flex-wrap: nowrap;
    align-items: center;
    gap: 14px;
  }

  .trust-row span {
    white-space: nowrap;
  }

  .btn {
    min-width: 190px;
  }

  .strip,
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .strip div:first-child {
    border-top-right-radius: 0;
    border-bottom-left-radius: 8px;
  }

  .strip div:last-child {
    border-top-right-radius: 8px;
    border-bottom-left-radius: 0;
  }

  .sticky-cta {
    right: 24px;
    bottom: 24px;
    left: auto;
    display: block;
    width: auto;
    padding: 0;
    background: transparent;
    border: 0;
    box-shadow: none;
    backdrop-filter: none;
  }

  .sticky-cta .btn-primary {
    display: none;
  }

  .sticky-cta .btn-secondary {
    width: 58px;
    min-width: 0;
    height: 58px;
    min-height: 58px;
    padding: 0;
    color: var(--white);
    background: #25d366;
    border-color: #25d366;
    border-radius: 999px;
    box-shadow: 0 16px 34px rgba(37, 211, 102, 0.32);
  }

  .sticky-cta .btn-secondary:hover {
    background: #1eb85a;
    border-color: #1eb85a;
  }

  .sticky-cta .sticky-label {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }

  .sticky-cta .wa-icon {
    display: block;
  }
}

@media (min-width: 900px) {
  .site-header {
    padding-right: 32px;
    padding-left: 32px;
  }

  .desktop-nav,
  .nav-cta {
    display: flex;
  }

  .hero {
    grid-template-columns: minmax(0, 0.92fr) minmax(500px, 1.08fr);
    align-items: center;
    gap: 64px;
    min-height: auto;
    padding: 76px 32px 72px;
  }

  .hero-copy {
    gap: 28px;
  }

  .hero-lead {
    font-size: 1.05rem;
    line-height: 1.9;
  }

  .hero::before {
    height: 78%;
    border-bottom-left-radius: 52px;
    border-bottom-right-radius: 52px;
  }

  .hero-visual {
    min-height: 540px;
  }

  .strip,
  .section,
  .final-cta {
    padding-right: 32px;
    padding-left: 32px;
  }

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

  .feature-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .audience,
  .price-panel {
    grid-template-columns: 1fr 0.86fr;
  }

  .footer {
    flex-direction: row;
    justify-content: center;
    gap: 24px;
    padding-bottom: 30px;
  }
}
