:root {
  --bg: #07111f;
  --bg-soft: #0d1d31;
  --surface: rgba(8, 19, 35, 0.74);
  --surface-strong: rgba(9, 20, 37, 0.92);
  --line: rgba(255, 255, 255, 0.12);
  --text: #edf4ff;
  --muted: #adc1dd;
  --accent: #3ed4ff;
  --accent-strong: #1d8cff;
  --success: #6df7c1;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.34);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 14px;
  --max-width: 1180px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Manrope", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(29, 140, 255, 0.25), transparent 32%),
    radial-gradient(circle at top right, rgba(109, 247, 193, 0.16), transparent 26%),
    linear-gradient(180deg, #04101b 0%, #08182c 48%, #08111e 100%);
  color: var(--text);
}

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

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

button,
a,
summary {
  -webkit-tap-highlight-color: transparent;
}

.page-shell {
  min-height: 100vh;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(4, 10, 21, 0.68);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.header-row,
.footer-row,
.hero-grid,
.pricing-layout,
.contact-layout,
.strip-grid {
  display: grid;
  gap: 20px;
}

.header-row {
  grid-template-columns: auto 1fr auto;
  align-items: center;
  min-height: 78px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(135deg, #4fe4ff, #5577ff);
  color: #061221;
  font-weight: 800;
  font-size: 1.15rem;
  box-shadow: 0 12px 24px rgba(61, 165, 255, 0.25);
}

.brand-text {
  display: grid;
  gap: 2px;
  color: var(--muted);
  font-size: 0.82rem;
}

.brand-text strong {
  color: var(--text);
  font-size: 0.98rem;
}

.main-nav {
  justify-self: center;
  display: inline-flex;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--muted);
}

.main-nav a,
.footer-nav a {
  transition: color 0.2s ease, opacity 0.2s ease;
}

.main-nav a:hover,
.footer-nav a:hover,
.contact-card a:hover {
  color: #ffffff;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 54px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

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

.button-small {
  min-height: 44px;
  padding: 0 18px;
}

.button-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #05101f;
  box-shadow: 0 18px 30px rgba(29, 140, 255, 0.26);
}

.button-secondary,
.button-ghost {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.button[aria-disabled="true"] {
  opacity: 0.6;
}

.hero-section {
  position: relative;
  overflow: clip;
  padding: 72px 0 52px;
}

.hero-section::before {
  content: "";
  position: absolute;
  inset: auto -12% -18% auto;
  width: 440px;
  height: 440px;
  background: radial-gradient(circle, rgba(62, 212, 255, 0.34), transparent 60%);
  filter: blur(20px);
  pointer-events: none;
}

.hero-grid {
  grid-template-columns: minmax(0, 1.02fr) minmax(320px, 0.98fr);
  align-items: center;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--success);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 11ch;
  font-size: clamp(2.6rem, 7vw, 4.8rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
}

.hero-lead,
.section-heading p,
.feature-copy p,
.step-card p,
.pricing-card p,
.terms-item p,
.faq-item p,
.contact-copy p,
.hero-points,
.trial-note,
.section-footnote {
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.7;
}

.hero-copy {
  display: grid;
  gap: 24px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

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

.hero-points li {
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.device-card,
.feature-card,
.step-card,
.pricing-card,
.terms-card,
.faq-item,
.contact-card,
.legal-card,
.contact-page-card {
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.device-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
  padding: 18px;
}

.device-header {
  display: flex;
  gap: 8px;
  margin-bottom: 18px;
}

.device-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.18);
}

.chat-preview {
  position: absolute;
  top: 74px;
  left: 34px;
  right: 34px;
  display: grid;
  gap: 12px;
  z-index: 1;
}

.chat-bubble {
  width: fit-content;
  max-width: min(78%, 320px);
  padding: 14px 16px;
  border-radius: 18px;
  font-size: 0.92rem;
  line-height: 1.5;
}

.chat-bubble-user {
  justify-self: end;
  background: rgba(7, 18, 32, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.chat-bubble-bot {
  background: rgba(63, 212, 255, 0.14);
  border: 1px solid rgba(62, 212, 255, 0.24);
}

.device-card img {
  border-radius: 24px;
  min-height: 420px;
  object-fit: cover;
  object-position: center;
}

.logo-strip,
.section {
  padding: 28px 0 90px;
}

.logo-strip {
  padding-top: 0;
}

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

.strip-grid > div {
  padding: 22px 24px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.strip-label,
.pricing-tag,
.terms-item span,
.step-number {
  display: inline-block;
  margin-bottom: 8px;
  color: var(--success);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 32px;
}

.section-heading h2 {
  margin-bottom: 14px;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.feature-grid,
.steps-grid,
.benefits-grid {
  display: grid;
  gap: 20px;
}

.feature-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.feature-card {
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.feature-card img {
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.feature-copy {
  padding: 20px;
}

.feature-copy h3,
.step-card h3,
.pricing-card h3,
.contact-copy h2,
.legal-card h1,
.contact-page-card h1 {
  margin-bottom: 10px;
  font-size: 1.28rem;
  line-height: 1.2;
}

.section-alt {
  position: relative;
}

.section-alt::before {
  content: "";
  position: absolute;
  inset: 22px 0 22px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01));
  z-index: -1;
}

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

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

.section-footnote {
  margin-top: 22px;
}

.pricing-layout {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: 20px;
}

.pricing-card,
.terms-card {
  border-radius: var(--radius-lg);
}

.pricing-card {
  padding: 28px;
}

.pricing-card-accent {
  background: linear-gradient(180deg, rgba(62, 212, 255, 0.16), rgba(9, 20, 37, 0.92));
}

.terms-card {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.08);
}

.terms-item {
  padding: 24px 26px;
  background: rgba(8, 19, 35, 0.95);
}

.benefits-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.benefit-chip {
  padding: 18px 18px 20px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text);
  font-weight: 600;
  line-height: 1.5;
}

.faq-list {
  display: grid;
  gap: 16px;
}

.faq-item {
  border-radius: var(--radius-md);
  padding: 0 22px;
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 22px 34px 22px 0;
  position: relative;
  font-weight: 700;
}

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

.faq-item summary::after {
  content: "+";
  position: absolute;
  top: 20px;
  right: 0;
  color: var(--accent);
  font-size: 1.5rem;
  line-height: 1;
}

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

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

.contact-layout {
  grid-template-columns: minmax(0, 1fr) minmax(300px, 420px);
  align-items: center;
}

.contact-card,
.legal-card,
.contact-page-card {
  border-radius: var(--radius-lg);
  padding: 28px;
}

.contact-card {
  display: grid;
  gap: 16px;
}

.contact-card > a:not(.button) {
  color: var(--muted);
  font-size: 1.1rem;
}

.site-footer {
  padding: 0 0 42px;
}

.footer-row {
  grid-template-columns: auto 1fr;
  align-items: center;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.site-footer p,
.footer-nav {
  color: var(--muted);
}

.footer-nav {
  justify-self: end;
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.legal-page {
  padding: 88px 0;
}

.legal-card,
.contact-page-card {
  max-width: 880px;
  margin: 0 auto;
}

.legal-card h1,
.contact-page-card h1 {
  font-size: clamp(2.2rem, 4vw, 3.4rem);
}

.legal-meta {
  margin: 12px 0 28px;
  color: var(--muted);
}

.legal-content,
.contact-page-card {
  color: var(--muted);
  line-height: 1.75;
}

.legal-content h2 {
  margin: 34px 0 12px;
  color: var(--text);
  font-size: 1.3rem;
}

.legal-content p,
.legal-content li {
  margin: 0 0 12px;
}

.legal-content ul {
  padding-left: 20px;
  margin: 0 0 12px;
}

.back-link {
  display: inline-flex;
  margin-bottom: 24px;
  color: var(--muted);
}

@media (max-width: 1100px) {
  .feature-grid,
  .benefits-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-grid,
  .contact-layout,
  .strip-grid,
  .pricing-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  .header-row {
    grid-template-columns: 1fr auto;
  }

  .main-nav {
    display: none;
  }

  .steps-grid,
  .terms-card {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(calc(100% - 24px), var(--max-width));
  }

  .hero-section {
    padding-top: 42px;
  }

  .section,
  .logo-strip {
    padding-bottom: 72px;
  }

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

  .button,
  .button-small {
    width: 100%;
  }

  .chat-preview {
    position: static;
    margin-bottom: 16px;
  }

  .chat-bubble {
    max-width: 100%;
  }

  .device-card {
    padding: 16px;
  }

  .device-card img {
    min-height: auto;
  }

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

  .footer-row {
    grid-template-columns: 1fr;
  }

  .footer-nav {
    justify-self: start;
  }
}