:root {
  --bg: #f3f2ec;
  --bg-elevated: rgba(255, 255, 255, 0.76);
  --panel: #ffffff;
  --panel-soft: #ece7dc;
  --text: #161616;
  --muted: #5f625f;
  --line: rgba(22, 22, 22, 0.08);
  --line-strong: rgba(22, 22, 22, 0.14);
  --brand: #1b66ff;
  --brand-deep: #1448b1;
  --brand-soft: rgba(27, 102, 255, 0.12);
  --accent: #d9e7ff;
  --success: #113a24;
  --surface-dark: #111214;
  --surface-dark-2: #17191d;
  --shadow: 0 24px 70px rgba(17, 18, 20, 0.12);
  --shadow-soft: 0 18px 42px rgba(17, 18, 20, 0.08);
  --radius-xl: 36px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 14px;
  --container: 1160px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: Manrope, system-ui, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(217, 231, 255, 0.95), transparent 28%),
    linear-gradient(180deg, #f6f4ee 0%, #f3f2ec 42%, #efede6 100%);
}

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

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

button,
input,
textarea,
select {
  font: inherit;
}

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

.section {
  padding: 88px 0;
}

.section-soft {
  background: rgba(255, 255, 255, 0.52);
  border-top: 1px solid rgba(255, 255, 255, 0.42);
  border-bottom: 1px solid rgba(255, 255, 255, 0.42);
}

.section-dark {
  background:
    radial-gradient(circle at top right, rgba(27, 102, 255, 0.18), transparent 32%),
    linear-gradient(135deg, var(--surface-dark) 0%, var(--surface-dark-2) 100%);
  color: #fff;
}

.eyebrow {
  margin: 0 0 14px;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--brand-deep);
}

.section-dark .eyebrow {
  color: rgba(255, 255, 255, 0.64);
}

h1,
h2,
h3,
.brand-copy strong {
  font-family: Fraunces, Georgia, serif;
  letter-spacing: -0.03em;
}

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

h1 {
  margin-bottom: 18px;
  font-size: clamp(3rem, 9vw, 6rem);
  line-height: 0.95;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(2.2rem, 5vw, 4.1rem);
  line-height: 0.98;
}

h3 {
  margin-bottom: 14px;
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  line-height: 1.05;
}

p,
li,
summary {
  font-size: 1rem;
  line-height: 1.7;
}

.lead,
.section-copy,
.offer-card p,
.info-card p,
.step-card p,
.faq-list p,
.site-footer p,
.hero-offers p {
  color: var(--muted);
}

.section-dark .section-copy,
.section-dark p {
  color: rgba(255, 255, 255, 0.74);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid transparent;
  background: rgba(243, 242, 236, 0.72);
  backdrop-filter: blur(18px);
  transition: border-color 0.24s ease, background-color 0.24s ease, box-shadow 0.24s ease;
}

.site-header.is-scrolled {
  border-color: var(--line);
  background: rgba(243, 242, 236, 0.88);
  box-shadow: 0 18px 42px rgba(17, 18, 20, 0.06);
}

.nav-wrap {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

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

.brand-mark {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--brand) 0%, #12baf8 100%);
  color: #fff;
  font-weight: 800;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.32);
}

.brand-copy {
  display: grid;
  gap: 2px;
}

.brand-copy strong {
  font-size: 1rem;
}

.brand-copy small {
  color: var(--muted);
  font-size: 0.77rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  flex: 1;
  flex-wrap: wrap;
}

.nav a {
  color: var(--muted);
  font-weight: 600;
  font-size: 0.95rem;
}

.header-cta {
  flex-shrink: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-1px);
  box-shadow: var(--shadow-soft);
}

.btn-primary {
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-deep) 100%);
  color: #fff;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.82);
  border-color: var(--line);
  color: var(--text);
}

.btn-secondary-dark {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.14);
  color: #fff;
}

.hero {
  padding: 54px 0 42px;
}

.hero-grid,
.bundle-card,
.contact-card,
.faq-layout,
.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
  gap: 34px;
  align-items: center;
}

.cta-row,
.contact-actions,
.bundle-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.trust-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.trust-chips span,
.hero-pill,
.card-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.7);
  color: #303133;
  font-weight: 700;
  font-size: 0.88rem;
}

.hero-panel {
  position: relative;
}

.hero-device-card,
.offer-card,
.info-card,
.step-card,
.bundle-card,
.contact-card,
.faq-list details,
.promo-strip-inner,
.site-footer {
  border: 1px solid rgba(255, 255, 255, 0.46);
  background: var(--bg-elevated);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.hero-device-card {
  padding: 26px;
  border-radius: var(--radius-xl);
}

.hero-device-top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 26px;
}

.hero-pill-soft {
  background: var(--brand-soft);
  border-color: transparent;
  color: var(--brand-deep);
}

.device-stage {
  position: relative;
  min-height: 300px;
  margin-bottom: 26px;
  display: flex;
  align-items: stretch;
  padding: 24px;
  border-radius: 28px;
  border: 1px solid rgba(255, 255, 255, 0.58);
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.96), transparent 42%),
    linear-gradient(135deg, rgba(217, 231, 255, 0.92), rgba(255, 255, 255, 0.72));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
  overflow: hidden;
}

.device-stage::before,
.device-stage::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}

.device-stage::before {
  top: -72px;
  right: -48px;
  width: 220px;
  height: 220px;
  background: rgba(27, 102, 255, 0.12);
  filter: blur(4px);
}

.device-stage::after {
  left: -40px;
  bottom: -64px;
  width: 180px;
  height: 180px;
  background: rgba(255, 255, 255, 0.68);
  filter: blur(8px);
}

.hero-offers {
  display: grid;
  gap: 14px;
}

.hero-offers article {
  padding: 16px 18px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid var(--line);
}

.hero-offers strong {
  display: block;
  margin-bottom: 6px;
  font-size: 1rem;
}

.promo-strip {
  padding: 0 0 16px;
}

.promo-strip-inner {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 22px;
  border-radius: 22px;
}

.promo-strip-inner p {
  margin: 0;
  font-weight: 700;
  color: #2f3237;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 36px;
}

.section-heading-compact {
  margin-bottom: 0;
}

.split-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 28px;
  align-items: end;
  margin-bottom: 34px;
}

.split-copy {
  max-width: 560px;
}

.offer-grid,
.card-grid,
.steps-grid {
  display: grid;
  gap: 22px;
}

.offer-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card-grid,
.steps-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

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

.offer-card,
.info-card,
.step-card {
  padding: 28px;
  border-radius: var(--radius-lg);
}

.offer-card-featured {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.86), rgba(217, 231, 255, 0.74));
}

.card-kicker {
  margin-bottom: 18px;
}

.card-points {
  padding: 0;
  margin: 22px 0 24px;
  list-style: none;
  display: grid;
  gap: 10px;
}

.card-points li {
  position: relative;
  padding-left: 18px;
}

.card-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.8em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--brand);
}

.info-card h3,
.step-card h3 {
  font-size: 1.35rem;
}

.step-card span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin-bottom: 18px;
  border-radius: 50%;
  background: var(--brand-soft);
  color: var(--brand-deep);
  font-weight: 800;
}

.bundle-card,
.contact-card {
  padding: 34px;
  border-radius: var(--radius-xl);
}

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

.faq-list details {
  padding: 22px 24px;
  border-radius: var(--radius-md);
}

.faq-list summary {
  cursor: pointer;
  font-weight: 800;
  list-style: none;
}

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

.faq-list p {
  margin: 12px 0 0;
}

.contact-section {
  padding-top: 18px;
}

.site-footer {
  margin: 0 16px 16px;
  border-radius: 28px;
  padding: 30px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 20px;
  align-items: center;
  justify-content: center;
}

.footer-links a,
.back-to-top {
  color: var(--muted);
  font-weight: 700;
}

.back-to-top {
  justify-self: end;
}

@media (max-width: 1040px) {
  .hero-grid,
  .bundle-card,
  .contact-card,
  .faq-layout,
  .footer-grid,
  .split-heading,
  .offer-grid,
  .card-grid,
  .steps-grid {
    grid-template-columns: 1fr;
  }

  .nav {
    display: none;
  }

  .promo-strip-inner {
    flex-direction: column;
  }

  .footer-links,
  .back-to-top {
    justify-self: start;
    justify-content: flex-start;
  }
}

@media (max-width: 720px) {
  .section {
    padding: 72px 0;
  }

  .site-header {
    background: rgba(243, 242, 236, 0.9);
  }

  .nav-wrap {
    min-height: 70px;
  }

  .brand-copy small {
    display: none;
  }

  .header-cta {
    min-height: 44px;
    padding: 0 16px;
    font-size: 0.92rem;
  }

  .hero {
    padding-top: 28px;
  }

  .hero-device-card,
  .offer-card,
  .info-card,
  .step-card,
  .bundle-card,
  .contact-card,
  .site-footer {
    padding: 22px;
  }

  .device-stage {
    min-height: 240px;
  }

  .cta-row,
  .contact-actions,
  .bundle-actions {
    flex-direction: column;
  }

  .cta-row .btn,
  .contact-actions .btn,
  .bundle-actions .btn {
    width: 100%;
  }

  .trust-chips span,
  .hero-pill,
  .card-kicker {
    width: 100%;
    justify-content: center;
  }

  .site-footer {
    margin-inline: 12px;
  }
}

.device-overlay-card {
  position: relative;
  z-index: 1;
  width: min(100%, 420px);
  margin-left: auto;
  padding: 22px;
  border-radius: 22px;
  border: 1px solid rgba(255, 255, 255, 0.62);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 18px 42px rgba(17, 18, 20, 0.1);
  backdrop-filter: blur(16px);
}

.overlay-kicker {
  margin: 0 0 8px;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brand-deep);
}

.device-overlay-card h3 {
  margin-bottom: 10px;
  font-size: 1.35rem;
  line-height: 1.05;
}

.device-overlay-card p {
  margin-bottom: 14px;
  color: var(--muted);
  line-height: 1.55;
}

.overlay-points {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.overlay-points span {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand-deep);
  font-size: 0.84rem;
  font-weight: 700;
}

.overlay-btn {
  width: 100%;
}

@media (max-width: 720px) {
  .device-overlay-card {
    width: 100%;
    margin-left: 0;
  }

  .device-stage {
    min-height: auto;
    padding: 18px;
  }
}
