:root {
  --bg: #f6faff;
  --bg-soft: #edf5ff;
  --bg-strong: #e2eeff;
  --surface: rgba(255, 255, 255, 0.82);
  --surface-strong: rgba(255, 255, 255, 0.96);
  --surface-soft: rgba(241, 247, 255, 0.88);
  --text: #122347;
  --text-strong: #0b1835;
  --muted: #5f7194;
  --muted-strong: #425778;
  --line: rgba(85, 115, 170, 0.16);
  --line-strong: rgba(45, 107, 255, 0.22);
  --blue: #2d6bff;
  --blue-deep: #1d4ed8;
  --blue-soft: #d9e8ff;
  --cyan: #5db8ff;
  --accent: #6b8dff;
  --green: #24c58b;
  --red: #ff647c;
  --shadow: 0 28px 80px rgba(35, 85, 170, 0.14);
  --shadow-soft: 0 18px 40px rgba(40, 82, 155, 0.12);
  --radius-xl: 34px;
  --radius-lg: 26px;
  --radius-md: 20px;
  --radius-sm: 16px;
  --container: 1220px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  color: var(--text);
  font-family: "Space Grotesk", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(93, 184, 255, 0.2), transparent 28%),
    radial-gradient(circle at top right, rgba(45, 107, 255, 0.18), transparent 26%),
    linear-gradient(180deg, #ffffff 0%, #f7fbff 42%, #eef5ff 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(69, 107, 176, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(69, 107, 176, 0.045) 1px, transparent 1px);
  background-size: 58px 58px;
  mask-image: radial-gradient(circle at center, black 34%, transparent 88%);
  opacity: 0.75;
  z-index: 0;
}

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

button,
input,
a {
  font: inherit;
}

button,
input {
  border: 0;
}

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

[hidden] {
  display: none !important;
}

.ambient {
  position: fixed;
  border-radius: 999px;
  filter: blur(90px);
  opacity: 0.45;
  pointer-events: none;
  z-index: 0;
}

.ambient-a {
  width: 34rem;
  height: 34rem;
  background: rgba(93, 184, 255, 0.26);
  top: -10rem;
  left: -8rem;
  animation: floatBlob 18s ease-in-out infinite alternate;
}

.ambient-b {
  width: 36rem;
  height: 36rem;
  background: rgba(45, 107, 255, 0.18);
  top: 6rem;
  right: -12rem;
  animation: floatBlob 22s ease-in-out infinite alternate-reverse;
}

.ambient-c {
  width: 28rem;
  height: 28rem;
  background: rgba(107, 141, 255, 0.16);
  bottom: -8rem;
  left: 32%;
  animation: floatBlob 20s ease-in-out infinite alternate;
}

.page {
  position: relative;
  z-index: 1;
}

.container {
  width: min(var(--container), calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(255, 255, 255, 0.74);
  border-bottom: 1px solid rgba(75, 112, 184, 0.1);
}

.header-inner {
  min-height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.logo {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  line-height: 0;
  padding: 4px 0;
}

.logo-wordmark {
  display: block;
  width: auto;
  height: 50px;
  max-width: min(32vw, 300px);
  filter: drop-shadow(0 14px 26px rgba(45, 107, 255, 0.18));
}

.logo-footer .logo-wordmark {
  height: 54px;
  max-width: min(38vw, 320px);
}

.nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.nav a {
  padding: 12px 14px;
  border-radius: 999px;
  color: var(--muted-strong);
  transition: background 0.25s ease, color 0.25s ease, transform 0.25s ease;
}

.nav a:hover {
  background: rgba(45, 107, 255, 0.08);
  color: var(--text-strong);
  transform: translateY(-1px);
}

.pill-link,
.pill,
.badge,
.device-chip,
.step-badge,
.timeline-step,
.method {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
}

.pill-link,
.pill {
  background: linear-gradient(135deg, rgba(45, 107, 255, 0.12), rgba(93, 184, 255, 0.18));
  border: 1px solid rgba(45, 107, 255, 0.18);
}

.pill-link {
  padding: 12px 18px;
  font-weight: 700;
  color: var(--blue-deep);
  box-shadow: 0 10px 24px rgba(45, 107, 255, 0.12);
}

.pill {
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 700;
  color: var(--blue-deep);
}

.pill.soft {
  background: rgba(45, 107, 255, 0.08);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: 18px;
  padding: 15px 22px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.24s ease, box-shadow 0.24s ease, opacity 0.24s ease, background 0.24s ease;
}

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

.btn:active {
  transform: translateY(0);
}

.btn.primary {
  color: white;
  background: linear-gradient(135deg, var(--blue), #477fff 45%, var(--cyan));
  background-size: 180% 180%;
  box-shadow: 0 18px 38px rgba(45, 107, 255, 0.24);
  animation: shimmer 10s ease infinite;
}

.btn.ghost {
  color: var(--text-strong);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(45, 107, 255, 0.14);
  box-shadow: var(--shadow-soft);
}

.btn.full {
  width: 100%;
}

.btn.loading {
  opacity: 0.72;
  pointer-events: none;
}

.glass,
.glass-subtle {
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(18px);
}

.glass-subtle {
  background: rgba(255, 255, 255, 0.7);
}

.hero {
  position: relative;
  padding: 42px 0 28px;
}

.hero-layout,
.plans-layout,
.support-grid,
.feature-grid,
.how-grid,
.metrics,
.plan-cards,
.steps-grid,
.support-cards,
.footer-grid {
  display: grid;
  gap: 24px;
}

.hero-layout {
  grid-template-columns: minmax(0, 1.02fr) minmax(360px, 0.98fr);
  align-items: center;
  min-height: calc(100vh - 170px);
}

.hero-copy h1,
.section-head h2,
.plans-copy h2,
.support-grid h2 {
  margin: 0;
  line-height: 0.98;
  letter-spacing: -0.04em;
  color: var(--text-strong);
}

.hero-copy h1 {
  font-size: clamp(3rem, 7vw, 6rem);
  max-width: 10ch;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 12px;
  font-weight: 700;
  color: var(--blue-deep);
}

.eyebrow::before {
  content: "";
  width: 34px;
  height: 1px;
  background: linear-gradient(90deg, rgba(45, 107, 255, 0), rgba(45, 107, 255, 0.7));
}

.eyebrow.small {
  margin-bottom: 12px;
}

.lede,
.muted,
.highlight-text,
.plan-sub,
.per,
.hint,
.legal-note,
.result-meta {
  color: var(--muted);
}

.lede {
  max-width: 600px;
  font-size: clamp(1rem, 1.6vw, 1.26rem);
  line-height: 1.6;
  margin: 22px 0 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.badge,
.device-chip,
.method,
.timeline-step,
.step-badge {
  font-weight: 700;
}

.badge {
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(45, 107, 255, 0.14);
  color: var(--muted-strong);
  box-shadow: 0 8px 24px rgba(45, 107, 255, 0.08);
}

.hero-stage {
  position: relative;
}

.hero-device {
  position: relative;
  padding: 22px;
  border-radius: 30px;
  background: linear-gradient(180deg, rgba(255,255,255,0.94), rgba(243,248,255,0.86));
  border: 1px solid rgba(74, 118, 198, 0.14);
  box-shadow: var(--shadow);
  transition: transform 0.28s ease, box-shadow 0.28s ease;
}

.hero-device::before,
.hero-device::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  pointer-events: none;
}

.hero-device::before {
  width: 180px;
  height: 180px;
  top: -70px;
  right: -60px;
  background: radial-gradient(circle, rgba(93, 184, 255, 0.28), transparent 68%);
}

.hero-device::after {
  width: 220px;
  height: 220px;
  bottom: -90px;
  left: -80px;
  background: radial-gradient(circle, rgba(45, 107, 255, 0.14), transparent 70%);
}

.device-topline,
.device-status-row,
.plan-top,
.checkout-row,
.key-card,
.result-actions,
.footer-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.device-topline {
  margin-bottom: 18px;
}

.device-chip {
  padding: 8px 12px;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.device-chip.live {
  background: rgba(36, 197, 139, 0.14);
  color: #12895f;
}

.device-chip.soft {
  background: rgba(45, 107, 255, 0.1);
  color: var(--blue-deep);
}

.device-screen {
  position: relative;
  padding: 22px;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(255,255,255,0.94), rgba(235,244,255,0.86));
  border: 1px solid rgba(45, 107, 255, 0.14);
}

.signal-ring {
  width: 208px;
  height: 208px;
  margin: 0 auto 28px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: radial-gradient(circle at center, rgba(255,255,255,0.95), rgba(214,230,255,0.88));
  border: 1px solid rgba(45, 107, 255, 0.16);
  box-shadow: inset 0 0 0 18px rgba(45, 107, 255, 0.06), 0 24px 44px rgba(45, 107, 255, 0.14);
  animation: pulse 5s ease-in-out infinite;
}

.signal-core {
  width: 122px;
  height: 122px;
  display: grid;
  place-items: center;
  text-align: center;
  border-radius: 50%;
  color: var(--blue-deep);
  background: linear-gradient(180deg, rgba(255,255,255,1), rgba(228,239,255,0.96));
  box-shadow: inset 0 -10px 18px rgba(45, 107, 255, 0.08);
}

.signal-core span {
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted-strong);
}

.signal-core strong {
  font-size: 26px;
  line-height: 1;
}

.label {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted-strong);
}

.label.light,
.checkout-label.light,
.legal-note.light,
.hint.light,
.muted.light {
  color: var(--muted);
}

.value {
  margin: 6px 0 0;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-strong);
}

.value.large {
  font-size: clamp(1.2rem, 2vw, 1.5rem);
}

.status-dot-group {
  display: flex;
  gap: 8px;
}

.status-dot-group span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(180deg, rgba(45,107,255,0.42), rgba(93,184,255,0.9));
}

.device-cards,
.plan-highlights {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 24px;
}

.mini-card,
.highlight-card,
.metric-card,
.feature-card,
.plan-card,
.checkout,
.payment-result,
.how-card,
.support-card,
.faq-list details {
  border-radius: var(--radius-lg);
}

.mini-card,
.highlight-card,
.metric-card,
.feature-card,
.how-card {
  padding: 20px;
}

.mini-card p,
.highlight-title,
.metric-title,
.feature-card p,
.how-card p,
.faq-list p,
.footer-links,
.footer p,
.support-card p {
  margin: 0;
}

.mini-card p,
.highlight-title,
.metric-title,
.feature-icon,
.plan-sub,
.per {
  color: var(--muted-strong);
}

.mini-card strong,
.feature-card h3,
.how-card h3,
.plan-card h3,
.checkout h3,
.result-head h3,
.support-grid h2,
.faq-list summary {
  color: var(--text-strong);
}

.mini-card strong,
.feature-card h3,
.how-card h3 {
  display: block;
  margin: 10px 0 8px;
  font-size: 1.12rem;
}

.mini-card span,
.highlight-text,
.metric-title,
.feature-card p,
.how-card p,
.faq-list p {
  line-height: 1.55;
}

.mini-card.accent {
  background: linear-gradient(180deg, rgba(226, 239, 255, 0.96), rgba(243, 248, 255, 0.9));
}

.mini-card.soft-card {
  background: linear-gradient(180deg, rgba(255,255,255,0.96), rgba(242,247,255,0.9));
}

.floating-note {
  position: absolute;
  padding: 12px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(45, 107, 255, 0.12);
  box-shadow: 0 14px 28px rgba(45, 107, 255, 0.12);
  color: var(--muted-strong);
  font-size: 0.92rem;
}

.floating-note-a {
  top: 18px;
  left: -28px;
  animation: floatNote 7s ease-in-out infinite;
}

.floating-note-b {
  right: -16px;
  bottom: 28px;
  animation: floatNote 9s ease-in-out infinite reverse;
}

.metrics {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 24px;
}

.metric-card {
  padding: 24px;
}

.metric-value {
  margin: 0 0 10px;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1;
  font-weight: 700;
  color: var(--blue-deep);
}

.section {
  padding: 48px 0;
}

.section-head {
  margin-bottom: 24px;
}

.section-head h2,
.plans-copy h2,
.support-grid h2 {
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  max-width: 12ch;
}

.section-head .muted,
.plans-copy .muted,
.support-grid .muted {
  margin-top: 14px;
  max-width: 560px;
  line-height: 1.6;
}

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

.feature-card {
  padding: 26px;
}

.feature-icon {
  width: 52px;
  height: 52px;
  display: inline-grid;
  place-items: center;
  border-radius: 16px;
  background: rgba(45, 107, 255, 0.08);
  font-size: 1.35rem;
}

.feature-card h3 {
  margin: 18px 0 8px;
}

.plans-layout {
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  align-items: start;
}

.plan-highlights {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 22px;
}

.highlight-card {
  padding: 22px;
}

.highlight-title {
  font-size: 0.92rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.highlight-text {
  margin-top: 10px;
}

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

.plan-card {
  position: relative;
  padding: 24px;
  background: var(--surface-strong);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
  cursor: pointer;
  transition: transform 0.24s ease, border-color 0.24s ease, box-shadow 0.24s ease;
}

.plan-card:hover {
  transform: translateY(-2px);
  border-color: rgba(45, 107, 255, 0.26);
}

.plan-card.selected {
  border-color: rgba(45, 107, 255, 0.36);
  box-shadow: 0 20px 50px rgba(45, 107, 255, 0.18);
}

.plan-card .price {
  margin: 18px 0 8px;
  font-size: clamp(2rem, 3vw, 2.6rem);
  line-height: 1;
  font-weight: 700;
  color: var(--text-strong);
}

.plan-card .per {
  margin-bottom: 18px;
}

.plan-card ul {
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.plan-card li {
  position: relative;
  padding-left: 20px;
  color: var(--muted-strong);
}

.plan-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
}

.checkout,
.payment-result {
  margin-top: 24px;
  padding: 28px;
  background: var(--surface-strong);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.checkout-intro h3,
.result-head h3 {
  margin: 0;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
}

.checkout-intro .muted,
.result-head .muted {
  margin-top: 10px;
}

.checkout-row {
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.checkout-row:first-of-type {
  margin-top: 18px;
}

.checkout-row.total {
  align-items: flex-end;
}

.aligned {
  text-align: right;
}

.checkout-block {
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.methods {
  display: flex;
  gap: 12px;
  margin-top: 12px;
}

.method {
  padding: 13px 18px;
  color: var(--text-strong);
  background: rgba(45, 107, 255, 0.08);
  border: 1px solid rgba(45, 107, 255, 0.16);
}

.method.active {
  background: linear-gradient(135deg, rgba(45, 107, 255, 0.18), rgba(93, 184, 255, 0.24));
  color: var(--blue-deep);
}

.promo-input {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  margin-top: 12px;
}

.checkout-input,
.promo-input input {
  width: 100%;
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(242, 247, 255, 0.94);
  border: 1px solid rgba(45, 107, 255, 0.12);
  color: var(--text-strong);
  outline: none;
  transition: border-color 0.24s ease, box-shadow 0.24s ease, background 0.24s ease;
}

.checkout-input::placeholder,
.promo-input input::placeholder {
  color: #8c9cbc;
}

.checkout-input:focus,
.promo-input input:focus {
  border-color: rgba(45, 107, 255, 0.28);
  box-shadow: 0 0 0 5px rgba(45, 107, 255, 0.08);
  background: white;
}

.checkout-label {
  display: inline-block;
  margin-bottom: 12px;
}

.promo-feedback {
  min-height: 22px;
  margin-top: 10px;
  color: var(--muted-strong);
}

.legal-note {
  margin: 14px 0 0;
  line-height: 1.5;
}

.payment-result {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.28s ease, transform 0.28s ease, box-shadow 0.28s ease;
}

.payment-result.visible {
  opacity: 1;
  transform: translateY(0);
}

.payment-result.highlight {
  box-shadow: 0 0 0 5px rgba(45, 107, 255, 0.08), var(--shadow);
}

.result-meta {
  margin-top: 12px;
}

.key-card {
  margin-top: 22px;
  padding: 20px;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(240,246,255,0.92), rgba(255,255,255,0.96));
  border: 1px solid rgba(45, 107, 255, 0.12);
}

.key-value {
  margin: 10px 0 0;
  font-size: clamp(1.15rem, 2vw, 1.6rem);
  line-height: 1.45;
  font-weight: 700;
  color: var(--text-strong);
  word-break: break-word;
}

.key-value.subscription-value {
  font-size: clamp(1rem, 1.5vw, 1.24rem);
}

.steps-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 20px;
}

.step-card {
  display: flex;
  gap: 14px;
  padding: 18px;
}

.step-badge,
.timeline-step {
  min-width: 42px;
  width: 42px;
  height: 42px;
  color: white;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  box-shadow: 0 10px 20px rgba(45, 107, 255, 0.18);
}

.result-actions {
  margin-top: 22px;
}

.how-showcase {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: 28px;
  align-items: center;
}

.how-copy {
  position: relative;
}

.how-title {
  margin: 0;
  font-size: clamp(3rem, 7vw, 5.4rem);
  line-height: 0.92;
  letter-spacing: -0.05em;
  color: var(--text-strong);
}

.how-title span {
  display: block;
  margin-top: 8px;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.how-steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 44px minmax(0, 1fr) 44px minmax(0, 1fr);
  gap: 14px;
  margin-top: 28px;
  align-items: center;
}

.how-step {
  position: relative;
  min-height: 246px;
  padding: 28px 22px 24px;
  border-radius: 30px;
  border: 1px solid rgba(45, 107, 255, 0.12);
  background: linear-gradient(180deg, rgba(255,255,255,0.94), rgba(239,246,255,0.92));
  box-shadow: 0 22px 50px rgba(45, 107, 255, 0.12);
}

.how-step-number {
  position: absolute;
  top: -16px;
  left: -8px;
  width: 54px;
  height: 54px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  color: white;
  font-size: 1.45rem;
  font-weight: 700;
  box-shadow: 0 16px 32px rgba(45, 107, 255, 0.22);
}

.how-step-icon {
  width: 88px;
  height: 88px;
  margin: 16px auto 20px;
  display: grid;
  place-items: center;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(255,255,255,0.98), rgba(230,241,255,0.94));
  color: var(--blue);
  font-size: 2.45rem;
  font-weight: 700;
  box-shadow: inset 0 0 0 1px rgba(45,107,255,0.08), 0 18px 30px rgba(45, 107, 255, 0.12);
}

.how-step-icon.app {
  background: linear-gradient(135deg, #4c7eff, #2d6bff);
  color: white;
}

.how-step p {
  margin: 0;
  text-align: center;
  font-size: 1.28rem;
  line-height: 1.42;
  color: var(--text);
}

.how-step p span {
  color: var(--blue);
  font-weight: 700;
}

.how-arrow {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--blue);
  font-size: 1.4rem;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(45, 107, 255, 0.1);
  box-shadow: 0 14px 24px rgba(45, 107, 255, 0.12);
  animation: floatNote 6s ease-in-out infinite;
}

.how-note {
  display: flex;
  gap: 18px;
  align-items: center;
  margin-top: 24px;
  padding: 20px 22px;
  border-radius: 26px;
  border: 1px solid rgba(45, 107, 255, 0.12);
  background: linear-gradient(180deg, rgba(255,255,255,0.9), rgba(238,245,255,0.95));
  box-shadow: 0 18px 34px rgba(45, 107, 255, 0.1);
}

.how-note-icon {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  flex-shrink: 0;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  color: white;
  font-weight: 700;
  box-shadow: 0 12px 22px rgba(45, 107, 255, 0.18);
}

.how-note-copy p {
  margin: 0 0 12px;
  color: var(--muted-strong);
  line-height: 1.55;
}

.how-platforms {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.how-platforms span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(45, 107, 255, 0.08);
  color: var(--blue-deep);
  font-weight: 700;
}

.how-visual {
  position: relative;
  min-height: 720px;
}

.how-shield {
  position: absolute;
  top: 30px;
  left: 24px;
  width: 290px;
  height: 330px;
  display: grid;
  place-items: center;
}

.how-shield-glow {
  position: absolute;
  inset: 16px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(93,184,255,0.28), transparent 70%);
  filter: blur(24px);
}

.how-shield-core {
  position: relative;
  width: 224px;
  height: 254px;
  clip-path: polygon(50% 0%, 88% 14%, 88% 55%, 78% 81%, 50% 100%, 22% 81%, 12% 55%, 12% 14%);
  background: linear-gradient(180deg, rgba(170,210,255,0.88), rgba(45,107,255,0.92));
  box-shadow: inset 0 4px 18px rgba(255,255,255,0.5), 0 28px 48px rgba(45, 107, 255, 0.22);
}

.how-shield-core::before {
  content: "";
  position: absolute;
  inset: 14px;
  clip-path: inherit;
  background: linear-gradient(180deg, rgba(255,255,255,0.55), rgba(255,255,255,0.06));
}

.how-shield-arc {
  position: absolute;
  left: 50%;
  border: 14px solid white;
  border-bottom: 0;
  border-left-color: transparent;
  border-right-color: transparent;
  border-top-left-radius: 200px;
  border-top-right-radius: 200px;
  transform: translateX(-50%);
}

.how-shield-arc.arc-a {
  top: 66px;
  width: 118px;
  height: 58px;
}

.how-shield-arc.arc-b {
  top: 104px;
  width: 84px;
  height: 44px;
}

.how-shield-arc.arc-c {
  top: 136px;
  width: 50px;
  height: 28px;
}

.how-shield-dot {
  position: absolute;
  left: 50%;
  bottom: 64px;
  width: 24px;
  height: 24px;
  margin-left: -12px;
  border-radius: 50%;
  background: white;
}

.how-phone {
  position: absolute;
  right: 12px;
  top: 118px;
  width: 276px;
  padding: 14px;
  border-radius: 36px;
  background: linear-gradient(180deg, #14274d, #0f1b37 62%, #1a3d83 100%);
  border: 1px solid rgba(255,255,255,0.16);
  box-shadow: 0 36px 56px rgba(12, 29, 71, 0.28);
  transform: rotate(8deg);
}

.how-phone-notch {
  width: 118px;
  height: 22px;
  margin: 0 auto 8px;
  border-radius: 999px;
  background: rgba(9, 20, 43, 0.92);
}

.how-phone-screen {
  min-height: 532px;
  padding: 24px 18px 22px;
  border-radius: 28px;
  background:
    radial-gradient(circle at center, rgba(45,107,255,0.2), transparent 44%),
    linear-gradient(180deg, rgba(11,26,54,0.96), rgba(15,29,60,0.98));
  color: white;
}

.how-phone-brand {
  margin: 16px 0 0;
  text-align: center;
  font-size: 2rem;
  font-weight: 700;
}

.how-phone-subtitle {
  margin: 8px 0 28px;
  text-align: center;
  color: rgba(219, 232, 255, 0.74);
}

.how-phone-ring {
  width: 174px;
  height: 174px;
  margin: 0 auto 26px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid rgba(111, 157, 255, 0.3);
  box-shadow: inset 0 0 0 14px rgba(39, 92, 197, 0.2), 0 0 50px rgba(45,107,255,0.2);
}

.how-phone-center {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 25%, rgba(255,255,255,0.88), rgba(122,177,255,0.12) 42%), linear-gradient(180deg, rgba(59,119,255,0.85), rgba(24,67,170,0.95));
  box-shadow: 0 0 30px rgba(45, 107, 255, 0.34);
}

.how-phone-field,
.how-phone-button {
  border-radius: 18px;
  padding: 16px 18px;
  text-align: center;
  font-weight: 600;
}

.how-phone-field {
  margin-bottom: 14px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(169, 201, 255, 0.16);
  color: rgba(231, 240, 255, 0.84);
}

.how-phone-button {
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  color: white;
  box-shadow: 0 18px 34px rgba(45, 107, 255, 0.24);
}

.how-cube {
  position: absolute;
  right: 0;
  bottom: 48px;
  width: 126px;
  height: 126px;
  display: grid;
  place-items: center;
  border-radius: 28px;
  background: linear-gradient(180deg, #4b80ff, #2d6bff);
  color: white;
  font-size: 1.6rem;
  font-weight: 700;
  box-shadow: 0 24px 40px rgba(45, 107, 255, 0.24);
}

.how-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(10px);
  opacity: 0.6;
}

.how-orb-a {
  width: 120px;
  height: 120px;
  right: 84px;
  top: 22px;
  background: rgba(93, 184, 255, 0.22);
}

.how-orb-b {
  width: 140px;
  height: 140px;
  left: 40px;
  bottom: 18px;
  background: rgba(45, 107, 255, 0.16);
}

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

.how-card {
  padding: 26px;
}

.how-card h3 {
  margin: 18px 0 8px;
}

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

.faq-list details {
  padding: 22px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
}

.faq-list summary {
  list-style: none;
  cursor: pointer;
  position: relative;
  padding-right: 24px;
  font-weight: 700;
}

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

.faq-list summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  color: var(--blue-deep);
  font-size: 20px;
}

.faq-list details[open] summary::after {
  content: "−";
}

.faq-list p {
  margin-top: 14px;
  color: var(--muted-strong);
  line-height: 1.6;
}

.support-grid {
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  align-items: start;
}

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

.support-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 22px;
  transition: transform 0.24s ease, box-shadow 0.24s ease;
}

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

.icon-circle {
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  font-size: 1.3rem;
  background: rgba(45, 107, 255, 0.1);
}

.footer {
  padding: 18px 0 34px;
}

.footer-grid {
  grid-template-columns: 1.2fr 1fr 1fr auto;
  align-items: start;
  border-top: 1px solid rgba(75, 112, 184, 0.12);
  padding-top: 26px;
}

.footer-links {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.footer-links a {
  color: var(--muted-strong);
}

.footer-links a:hover {
  color: var(--blue-deep);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes shimmer {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.03); }
}

@keyframes floatBlob {
  0% { transform: translate3d(0, 0, 0); }
  100% { transform: translate3d(18px, -22px, 0); }
}

@keyframes floatNote {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@media (max-width: 1200px) {
  .hero-layout,
  .plans-layout,
  .support-grid {
    grid-template-columns: 1fr;
  }

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

  .hero-copy h1 {
    max-width: 12ch;
  }

  .hero-stage {
    max-width: 760px;
  }
}

@media (max-width: 1120px) {
  .how-showcase {
    grid-template-columns: 1fr;
  }

  .how-visual {
    min-height: 620px;
    max-width: 760px;
    margin: 0 auto;
  }
}

@media (max-width: 980px) {
  .device-cards,
  .plan-cards,
  .steps-grid,
  .feature-grid,
  .support-cards,
  .metrics,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .how-steps {
    grid-template-columns: 1fr;
  }

  .how-arrow {
    display: none;
  }

  .how-step {
    min-height: auto;
  }

  .plan-highlights {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    gap: 18px;
  }

  .floating-note {
    display: none;
  }
}

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

  .site-header {
    position: static;
  }

  .header-inner {
    min-height: auto;
    padding: 16px 0;
    flex-direction: column;
    align-items: flex-start;
  }

  .logo-wordmark {
    height: 38px;
    max-width: min(70vw, 220px);
  }

  .logo-footer .logo-wordmark {
    height: 42px;
    max-width: min(78vw, 240px);
  }

  .nav {
    width: 100%;
    gap: 8px;
  }

  .nav a {
    padding: 10px 12px;
  }

  .hero {
    padding-top: 24px;
  }

  .hero-copy h1 {
    font-size: clamp(2.4rem, 12vw, 4rem);
  }

  .hero-actions,
  .hero-points,
  .result-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-device,
  .checkout,
  .payment-result {
    padding: 20px;
  }

  .device-screen {
    padding: 18px;
  }

  .signal-ring {
    width: 180px;
    height: 180px;
  }

  .signal-core {
    width: 112px;
    height: 112px;
  }

  .device-status-row,
  .plan-top,
  .checkout-row,
  .key-card {
    align-items: flex-start;
    flex-direction: column;
  }

  .aligned {
    text-align: left;
  }

  .promo-input {
    grid-template-columns: 1fr;
  }

  .btn,
  .pill-link {
    width: 100%;
  }

  .section {
    padding: 36px 0;
  }

  .section-head h2,
  .plans-copy h2,
  .support-grid h2 {
    max-width: none;
  }

  .how-title {
    font-size: clamp(2.8rem, 14vw, 4.3rem);
  }

  .how-note {
    align-items: flex-start;
    flex-direction: column;
  }

  .how-visual {
    min-height: 520px;
  }

  .how-shield {
    left: 0;
    width: 210px;
    height: 250px;
  }

  .how-shield-core {
    width: 168px;
    height: 194px;
  }

  .how-shield-arc.arc-a {
    top: 50px;
    width: 90px;
    height: 44px;
    border-width: 11px;
  }

  .how-shield-arc.arc-b {
    top: 80px;
    width: 64px;
    height: 32px;
    border-width: 10px;
  }

  .how-shield-arc.arc-c {
    top: 103px;
    width: 38px;
    height: 18px;
    border-width: 8px;
  }

  .how-shield-dot {
    width: 18px;
    height: 18px;
    margin-left: -9px;
    bottom: 50px;
  }

  .how-phone {
    width: 228px;
    right: 0;
    top: 124px;
  }

  .how-phone-screen {
    min-height: 434px;
  }

  .how-phone-ring {
    width: 144px;
    height: 144px;
  }

  .how-phone-center {
    width: 82px;
    height: 82px;
  }

  .how-cube {
    width: 102px;
    height: 102px;
    font-size: 1.35rem;
  }
}
