:root {
  --ink: #0c1728;
  --ink-soft: #4c5b70;
  --paper: #f7f9fc;
  --surface: #ffffff;
  --surface-soft: #eef3f9;
  --line: #dce4ee;
  --violet: #6548f5;
  --violet-deep: #4e32dc;
  --cyan: #19a9c6;
  --teal: #0fae91;
  --navy: #071a35;
  --success: #087f6a;
  --shadow: 0 24px 70px rgba(21, 35, 61, 0.12);
  --shadow-soft: 0 12px 35px rgba(21, 35, 61, 0.08);
  --radius-sm: 14px;
  --radius-md: 22px;
  --radius-lg: 34px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

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

a {
  color: inherit;
}

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

:focus-visible {
  outline: 3px solid rgba(101, 72, 245, 0.38);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 10px;
  left: 10px;
  padding: 10px 16px;
  color: #fff;
  background: var(--navy);
  border-radius: 10px;
  transform: translateY(-160%);
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.container {
  width: min(calc(100% - 40px), var(--max));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  border-bottom: 1px solid rgba(220, 228, 238, 0.82);
  background: rgba(247, 249, 252, 0.88);
  backdrop-filter: blur(18px);
}

.nav-wrap {
  display: flex;
  min-height: 76px;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-weight: 850;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  color: #fff;
  background: linear-gradient(145deg, var(--violet), var(--cyan));
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(101, 72, 245, 0.24);
  font-size: 14px;
  letter-spacing: -0.08em;
}

.brand-name {
  font-size: 20px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.site-nav a {
  padding: 10px 13px;
  color: var(--ink-soft);
  border-radius: 10px;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--violet-deep);
  background: rgba(101, 72, 245, 0.08);
}

.nav-cta {
  margin-left: 8px;
  color: #fff !important;
  background: var(--ink) !important;
}

.nav-cta:hover {
  background: var(--violet-deep) !important;
}

.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  padding: 11px;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 13px;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 180ms ease, opacity 180ms ease;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 92px 0 88px;
}

.hero::before {
  position: absolute;
  z-index: -1;
  top: -220px;
  right: -160px;
  width: 660px;
  height: 660px;
  background: radial-gradient(circle, rgba(101, 72, 245, 0.16), rgba(25, 169, 198, 0.05) 52%, transparent 70%);
  border-radius: 50%;
  content: "";
}

.hero-grid {
  display: grid;
  align-items: center;
  grid-template-columns: minmax(0, 1.02fr) minmax(360px, 0.78fr);
  gap: 70px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 20px;
  color: var(--violet-deep);
  font-size: 13px;
  font-weight: 850;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 28px;
  height: 2px;
  background: linear-gradient(90deg, var(--violet), var(--cyan));
  content: "";
}

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 1.12;
  letter-spacing: -0.035em;
}

h1 {
  max-width: 750px;
  margin-bottom: 24px;
  font-size: clamp(48px, 6vw, 78px);
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(34px, 4vw, 52px);
}

h3 {
  margin-bottom: 10px;
  font-size: 21px;
}

.hero-copy > p,
.section-lead,
.page-hero p {
  max-width: 760px;
  color: var(--ink-soft);
  font-size: clamp(18px, 2vw, 21px);
}

.hero-copy > p {
  max-width: 680px;
  margin: 0 0 32px;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 13px;
}

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  padding: 13px 22px;
  border: 1px solid transparent;
  border-radius: 14px;
  font-weight: 800;
  text-decoration: none;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--violet), var(--violet-deep));
  box-shadow: 0 12px 28px rgba(101, 72, 245, 0.24);
}

.button-primary:hover {
  box-shadow: 0 16px 34px rgba(101, 72, 245, 0.3);
}

.button-secondary {
  color: var(--ink);
  border-color: var(--line);
  background: var(--surface);
}

.hero-note {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 25px;
  color: var(--ink-soft);
  font-size: 14px;
}

.hero-note::before {
  width: 9px;
  height: 9px;
  background: var(--teal);
  border-radius: 50%;
  box-shadow: 0 0 0 5px rgba(15, 174, 145, 0.11);
  content: "";
}

.phone-stage {
  position: relative;
  display: grid;
  min-height: 610px;
  place-items: center;
}

.phone-stage::before,
.phone-stage::after {
  position: absolute;
  border-radius: 50%;
  content: "";
}

.phone-stage::before {
  width: 430px;
  height: 430px;
  background: linear-gradient(145deg, rgba(101, 72, 245, 0.15), rgba(25, 169, 198, 0.17));
}

.phone-stage::after {
  right: 8%;
  bottom: 6%;
  width: 110px;
  height: 110px;
  border: 22px solid rgba(15, 174, 145, 0.12);
}

.phone {
  position: relative;
  z-index: 1;
  width: min(310px, 78vw);
  padding: 10px;
  background: #101827;
  border: 2px solid #2d3748;
  border-radius: 42px;
  box-shadow: 0 40px 85px rgba(12, 23, 40, 0.28);
  transform: rotate(2.5deg);
}

.phone::before {
  position: absolute;
  z-index: 2;
  top: 17px;
  left: 50%;
  width: 84px;
  height: 22px;
  background: #101827;
  border-radius: 20px;
  content: "";
  transform: translateX(-50%);
}

.phone img {
  width: 100%;
  height: auto;
  aspect-ratio: auto;
  object-fit: contain;
  border-radius: 33px;
}

.floating-chip {
  position: absolute;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 12px 16px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(220, 228, 238, 0.95);
  border-radius: 15px;
  box-shadow: var(--shadow-soft);
  font-size: 13px;
  font-weight: 800;
  backdrop-filter: blur(12px);
}

.floating-chip::before {
  width: 9px;
  height: 9px;
  background: var(--teal);
  border-radius: 50%;
  content: "";
}

.chip-one {
  top: 16%;
  left: 0;
}

.chip-two {
  right: -2%;
  bottom: 19%;
}

.section {
  padding: 92px 0;
}

.section-tight {
  padding: 64px 0;
}

.section-white {
  background: var(--surface);
}

.section-dark {
  color: #fff;
  background:
    radial-gradient(circle at 86% 10%, rgba(101, 72, 245, 0.35), transparent 30%),
    linear-gradient(145deg, #071a35, #091528);
}

.section-dark .section-lead,
.section-dark .muted {
  color: #b9c7d8;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 42px;
}

.section-heading > div {
  max-width: 760px;
}

.section-heading .section-lead {
  margin: 0;
}

.centered {
  max-width: 800px;
  margin-inline: auto;
  text-align: center;
}

.centered .section-lead {
  margin-inline: auto;
}

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

.card {
  padding: 27px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
}

.card p {
  margin: 0;
  color: var(--ink-soft);
}

.card-number {
  display: inline-flex;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  color: var(--violet-deep);
  background: rgba(101, 72, 245, 0.09);
  border-radius: 13px;
  font-size: 12px;
  font-weight: 900;
}

.split {
  display: grid;
  align-items: center;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 76px;
}

.benefit-list {
  display: grid;
  margin: 30px 0 0;
  padding: 0;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 22px;
  list-style: none;
}

.benefit-list li {
  position: relative;
  padding-left: 25px;
  color: var(--ink-soft);
  font-weight: 700;
}

.benefit-list li::before {
  position: absolute;
  top: 0.63em;
  left: 0;
  width: 10px;
  height: 10px;
  background: linear-gradient(135deg, var(--violet), var(--cyan));
  border-radius: 4px;
  content: "";
  transform: rotate(45deg);
}

.screen-pair {
  position: relative;
  min-height: 610px;
}

.screen-pair .phone {
  position: absolute;
  width: 270px;
}

.screen-pair .phone:first-child {
  top: 0;
  left: 8%;
  transform: rotate(-4deg);
}

.screen-pair .phone:last-child {
  right: 7%;
  bottom: 0;
  transform: rotate(5deg);
}

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

.feature-card {
  position: relative;
  overflow: hidden;
  min-height: 215px;
}

.feature-card::after {
  position: absolute;
  right: -26px;
  bottom: -35px;
  width: 100px;
  height: 100px;
  background: linear-gradient(145deg, rgba(101, 72, 245, 0.09), rgba(25, 169, 198, 0.08));
  border-radius: 36px;
  content: "";
  transform: rotate(22deg);
}

.screens-gallery {
  display: grid;
  align-items: end;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 26px;
}

.screen-card {
  padding: 18px 18px 0;
  overflow: hidden;
  background: linear-gradient(145deg, #e9edff, #e7faf6);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}

.screen-card:nth-child(2) {
  background: linear-gradient(145deg, #101c2f, #162741);
}

.screen-card:nth-child(3) {
  background: linear-gradient(145deg, #f3efff, #e9f7ff);
}

.screen-card img {
  width: 76%;
  height: auto;
  max-height: none;
  margin-inline: auto;
  object-fit: contain;
  border: 8px solid #121b2b;
  border-bottom: 0;
  border-radius: 30px 30px 0 0;
  box-shadow: 0 22px 45px rgba(12, 23, 40, 0.2);
}

.screen-card.landscape img {
  width: 100%;
  height: auto;
  aspect-ratio: auto;
  object-fit: contain;
  margin-top: 90px;
  border-bottom: 8px solid #121b2b;
  border-radius: 22px;
}

.screen-label {
  display: block;
  margin: 17px 0 14px;
  font-size: 14px;
  font-weight: 850;
  text-align: center;
}

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

.audience-card {
  box-shadow: none;
}

.audience-card strong {
  display: block;
  margin-bottom: 8px;
  font-size: 18px;
}

.privacy-band {
  display: grid;
  align-items: center;
  padding: 55px;
  color: #fff;
  background:
    linear-gradient(130deg, rgba(101, 72, 245, 0.98), rgba(23, 130, 175, 0.96)),
    var(--violet);
  border-radius: var(--radius-lg);
  grid-template-columns: 1fr auto;
  gap: 50px;
  box-shadow: 0 30px 70px rgba(78, 50, 220, 0.24);
}

.privacy-band h2 {
  margin-bottom: 12px;
}

.privacy-band p {
  max-width: 700px;
  margin: 0;
  color: rgba(255, 255, 255, 0.84);
}

.privacy-band .button {
  color: var(--violet-deep);
  background: #fff;
}

.cta-panel {
  padding: 70px 50px;
  color: #fff;
  background:
    radial-gradient(circle at 20% 0, rgba(25, 169, 198, 0.22), transparent 32%),
    var(--navy);
  border-radius: var(--radius-lg);
  text-align: center;
}

.cta-panel p {
  max-width: 680px;
  margin: 0 auto 28px;
  color: #bfd0e2;
  font-size: 18px;
}

.cta-panel .button-row {
  justify-content: center;
}

.page-hero {
  padding: 95px 0 70px;
  text-align: center;
}

.page-hero h1 {
  max-width: 900px;
  margin-inline: auto;
  font-size: clamp(44px, 6vw, 68px);
}

.page-hero p {
  margin-inline: auto;
}

.breadcrumb {
  margin-bottom: 22px;
  color: var(--violet-deep);
  font-size: 13px;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.content-shell {
  display: grid;
  align-items: start;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 52px;
}

.toc {
  position: sticky;
  top: 105px;
  padding: 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.toc strong {
  display: block;
  margin-bottom: 12px;
}

.toc a {
  display: block;
  padding: 7px 0;
  color: var(--ink-soft);
  font-size: 14px;
  text-decoration: none;
}

.toc a:hover {
  color: var(--violet-deep);
}

.prose {
  max-width: 820px;
}

.prose h2 {
  margin-top: 52px;
  font-size: 32px;
  scroll-margin-top: 110px;
}

.prose h2:first-child {
  margin-top: 0;
}

.prose h3 {
  margin-top: 32px;
}

.prose p,
.prose li {
  color: var(--ink-soft);
}

.prose a {
  color: var(--violet-deep);
  font-weight: 700;
}

.prose .notice {
  margin: 30px 0;
  padding: 22px 24px;
  color: var(--ink);
  background: rgba(101, 72, 245, 0.08);
  border-left: 4px solid var(--violet);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.feature-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.feature-detail {
  min-height: 250px;
}

.feature-detail .tag {
  display: inline-block;
  margin-bottom: 42px;
  padding: 6px 10px;
  color: var(--violet-deep);
  background: rgba(101, 72, 245, 0.08);
  border-radius: 8px;
  font-size: 12px;
  font-weight: 850;
  text-transform: uppercase;
}

.faq-list {
  max-width: 850px;
  margin-inline: auto;
}

.faq-item {
  margin-bottom: 13px;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 17px;
}

.faq-question {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 24px;
  color: var(--ink);
  border: 0;
  background: transparent;
  font-weight: 800;
  text-align: left;
  cursor: pointer;
}

.faq-question::after {
  color: var(--violet);
  content: "+";
  font-size: 24px;
  font-weight: 500;
}

.faq-question[aria-expanded="true"]::after {
  content: "−";
}

.faq-answer {
  padding: 0 24px 22px;
  color: var(--ink-soft);
}

.faq-answer[hidden] {
  display: none;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.contact-card {
  display: block;
  min-height: 230px;
  color: inherit;
  text-decoration: none;
}

.contact-card:hover {
  border-color: rgba(101, 72, 245, 0.4);
  transform: translateY(-3px);
}

.contact-card .card-number {
  width: auto;
  padding-inline: 12px;
}

.contact-card span {
  display: block;
  margin-top: 24px;
  color: var(--violet-deep);
  font-weight: 800;
}

.status-panel {
  padding: 32px;
  background: linear-gradient(145deg, #e8faf6, #edf3ff);
  border: 1px solid #cfe5df;
  border-radius: var(--radius-md);
}

.status-panel strong {
  color: var(--success);
}

.site-footer {
  padding: 70px 0 30px;
  color: #c0ccda;
  background: #071323;
}

.footer-grid {
  display: grid;
  padding-bottom: 50px;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 48px;
}

.footer-brand .brand {
  margin-bottom: 18px;
  color: #fff;
}

.footer-brand p {
  max-width: 360px;
  margin: 0;
}

.footer-col strong {
  display: block;
  margin-bottom: 15px;
  color: #fff;
}

.footer-col a {
  display: block;
  margin: 9px 0;
  color: #c0ccda;
  text-decoration: none;
}

.footer-col a:hover {
  color: #fff;
}

.footer-bottom {
  display: flex;
  padding-top: 25px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  font-size: 13px;
}

.footer-bottom p {
  margin: 0;
}

.error-page {
  display: grid;
  min-height: calc(100vh - 76px);
  place-items: center;
  padding: 70px 20px;
  text-align: center;
}

.error-code {
  display: block;
  color: var(--violet);
  font-size: clamp(110px, 22vw, 230px);
  font-weight: 900;
  line-height: 0.9;
  letter-spacing: -0.09em;
}

.muted {
  color: var(--ink-soft);
}

@media (max-width: 1020px) {
  .site-nav {
    position: fixed;
    top: 77px;
    right: 0;
    left: 0;
    display: none;
    max-height: calc(100vh - 77px);
    padding: 20px;
    overflow-y: auto;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-soft);
  }

  .site-nav.open {
    display: grid;
  }

  .site-nav a {
    padding: 14px;
  }

  .nav-cta {
    margin: 8px 0 0;
    text-align: center;
  }

  .menu-toggle {
    display: block;
  }

  .menu-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .menu-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
  }

  .menu-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .hero-grid,
  .split {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    gap: 35px;
  }

  .hero-copy {
    text-align: center;
  }

  .hero-copy > p,
  .hero-copy h1 {
    margin-inline: auto;
  }

  .hero-copy .button-row,
  .hero-note {
    justify-content: center;
  }

  .phone-stage {
    min-height: 570px;
  }

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

  .footer-grid {
    grid-template-columns: 1.5fr repeat(2, 1fr);
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 760px) {
  .container {
    width: min(calc(100% - 28px), var(--max));
  }

  .hero {
    padding: 65px 0 55px;
  }

  h1 {
    font-size: clamp(42px, 14vw, 62px);
  }

  .section {
    padding: 68px 0;
  }

  .section-heading {
    display: block;
    margin-bottom: 30px;
  }

  .trust-grid,
  .feature-grid,
  .audience-grid,
  .value-grid,
  .feature-detail-grid,
  .contact-grid,
  .screens-gallery {
    grid-template-columns: 1fr;
  }

  .benefit-list {
    grid-template-columns: 1fr;
  }

  .phone-stage {
    min-height: 525px;
  }

  .floating-chip {
    display: none;
  }

  .screen-pair {
    min-height: 540px;
  }

  .screen-pair .phone {
    width: 235px;
  }

  .privacy-band {
    padding: 35px 26px;
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .cta-panel {
    padding: 48px 24px;
  }

  .content-shell {
    grid-template-columns: 1fr;
  }

  .toc {
    position: static;
  }

  .page-hero {
    padding: 65px 0 48px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px 25px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .footer-bottom {
    display: block;
  }

  .footer-bottom p + p {
    margin-top: 8px;
  }
}

@media (max-width: 480px) {
  .brand-name {
    font-size: 18px;
  }

  .button-row {
    display: grid;
  }

  .button {
    width: 100%;
  }

  .phone {
    width: 260px;
  }

  .screen-pair .phone {
    width: 205px;
  }

  .screen-pair .phone:first-child {
    left: 0;
  }

  .screen-pair .phone:last-child {
    right: 0;
  }

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

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}