:root {
  color-scheme: light;
  --bg: #eef4ff;
  --bg-accent: radial-gradient(circle at top left, rgba(76, 116, 255, 0.18), transparent 34%),
    radial-gradient(circle at top right, rgba(15, 64, 194, 0.18), transparent 30%),
    linear-gradient(180deg, #f8fbff 0%, #edf4ff 100%);
  --surface: rgba(255, 255, 255, 0.84);
  --surface-strong: #ffffff;
  --surface-border: rgba(66, 101, 216, 0.14);
  --text-primary: #122247;
  --text-secondary: #4e618f;
  --blue-strong: #1538c8;
  --blue-rich: #204ee8;
  --blue-soft: #dce8ff;
  --shadow: 0 24px 64px rgba(26, 52, 143, 0.12);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "SF Pro Display", "Avenir Next", "Segoe UI", sans-serif;
  background: var(--bg-accent);
  color: var(--text-primary);
}

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

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

.page-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 40px;
}

.site-header,
.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.site-header {
  padding: 16px 0 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 16px;
}

.brand img {
  width: 58px;
  height: 58px;
  border-radius: 18px;
  box-shadow: 0 20px 40px rgba(19, 56, 200, 0.2);
}

.brand-kicker {
  display: block;
  margin-bottom: 4px;
  font-size: 0.84rem;
  color: var(--text-secondary);
}

.brand strong {
  font-size: 1.08rem;
  letter-spacing: -0.02em;
}

.site-nav {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 8px;
  border: 1px solid var(--surface-border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(18px);
}

.site-nav a {
  padding: 10px 16px;
  border-radius: 999px;
  color: var(--text-secondary);
  transition: background-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.site-nav a:hover {
  color: var(--blue-strong);
  background: rgba(32, 78, 232, 0.08);
  transform: translateY(-1px);
}

.hero,
.section-block {
  margin-bottom: 28px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: 28px;
  align-items: stretch;
}

.hero-copy,
.hero-panel,
.support-hero-card,
.section-block,
.site-footer {
  border: 1px solid var(--surface-border);
  background: var(--surface);
  backdrop-filter: blur(24px);
  box-shadow: var(--shadow);
}

.hero-copy,
.hero-panel,
.support-hero-card,
.section-block,
.site-footer {
  border-radius: var(--radius-xl);
}

.hero-copy,
.hero-panel,
.support-hero-card {
  padding: 34px;
}

.hero-copy h1,
.section-heading h2,
.support-hero-card h2 {
  margin: 0;
  letter-spacing: -0.04em;
}

.hero-copy h1 {
  font-size: clamp(2.8rem, 5vw, 4.6rem);
  line-height: 0.98;
  max-width: 12ch;
}

.hero-copy p,
.feature-card p,
.premium-card p,
.trust-card p,
.faq-card p,
.support-card p,
.site-footer p {
  color: var(--text-secondary);
  line-height: 1.66;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(32, 78, 232, 0.08);
  color: var(--blue-strong);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.hero-actions,
.premium-chip-row,
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 16px;
  font-weight: 600;
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}

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

.button-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--blue-rich), #1238c4);
  box-shadow: 0 18px 36px rgba(28, 63, 204, 0.28);
}

.button-secondary {
  color: var(--blue-strong);
  background: rgba(32, 78, 232, 0.1);
}

.hero-points,
.support-shortcuts {
  margin: 0;
  padding: 0;
  list-style: none;
}

.hero-points li,
.support-shortcuts li {
  position: relative;
  padding-left: 24px;
  color: var(--text-secondary);
  margin-top: 14px;
}

.hero-points li::before,
.support-shortcuts li::before {
  content: "";
  position: absolute;
  top: 10px;
  left: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, #4d77ff, #204ee8);
  box-shadow: 0 0 0 6px rgba(32, 78, 232, 0.1);
}

.device-card {
  height: 100%;
  padding: 28px;
  border-radius: calc(var(--radius-xl) - 8px);
  background:
    radial-gradient(circle at top right, rgba(117, 149, 255, 0.32), transparent 25%),
    linear-gradient(180deg, #ffffff 0%, #edf3ff 100%);
  border: 1px solid rgba(78, 111, 225, 0.15);
}

.device-top {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #2bc56d;
}

.device-pill {
  margin-left: auto;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(32, 78, 232, 0.08);
  color: var(--blue-strong);
  font-size: 0.78rem;
  font-weight: 700;
}

.hero-balance-card,
.mini-panel,
.feature-card,
.premium-card,
.trust-card,
.faq-card,
.support-card {
  border: 1px solid rgba(63, 99, 219, 0.12);
  background: rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-lg);
}

.hero-balance-card {
  padding: 24px;
  margin-bottom: 18px;
  background: linear-gradient(160deg, rgba(19, 56, 200, 0.96), rgba(18, 33, 125, 0.96));
  color: #fff;
  box-shadow: 0 28px 46px rgba(24, 41, 118, 0.22);
}

.hero-balance-card p,
.hero-balance-card span {
  color: rgba(255, 255, 255, 0.72);
}

.hero-balance-card strong {
  display: block;
  margin-top: 8px;
  font-size: 2.2rem;
  letter-spacing: -0.04em;
}

.hero-balance-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.hero-balance-grid div {
  padding: 14px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.08);
}

.hero-balance-grid div strong,
.mini-panel strong {
  margin-top: 4px;
  font-size: 1.1rem;
}

.mini-panel-grid,
.feature-grid,
.trust-grid,
.faq-grid,
.support-contact-grid {
  display: grid;
  gap: 16px;
}

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

.mini-panel {
  padding: 18px;
}

.mini-panel span {
  color: var(--text-secondary);
  font-size: 0.88rem;
}

.section-block {
  padding: 34px;
}

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

.section-heading h2 {
  font-size: clamp(2rem, 3vw, 3rem);
}

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

.feature-card,
.premium-card,
.trust-card,
.faq-card,
.support-card {
  padding: 24px;
}

.feature-tag {
  display: inline-flex;
  margin-bottom: 14px;
  padding: 7px 12px;
  border-radius: 999px;
  background: var(--blue-soft);
  color: var(--blue-strong);
  font-weight: 700;
  font-size: 0.82rem;
}

.feature-card h3,
.premium-card h3,
.trust-card h3,
.faq-card h3,
.support-card h3 {
  margin: 0 0 10px;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}

.section-highlight {
  background:
    radial-gradient(circle at top right, rgba(83, 120, 255, 0.16), transparent 24%),
    rgba(255, 255, 255, 0.8);
}

.premium-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.95fr 0.95fr;
  gap: 16px;
}

.developer-layout {
  display: block;
}

.developer-profile-card {
  display: grid;
  grid-template-columns: minmax(320px, 420px) minmax(0, 1fr);
  gap: 28px;
  padding: 0;
  align-items: center;
}

.developer-avatar {
  width: 100%;
  height: 520px;
  object-fit: cover;
  object-position: center 20%;
  border-radius: 28px;
  box-shadow: 0 28px 46px rgba(24, 41, 118, 0.16);
}

.developer-copy {
  max-width: 640px;
}

.developer-copy h3 {
  margin: 0 0 10px;
  font-size: 1.5rem;
  letter-spacing: -0.03em;
}

.developer-copy p {
  color: var(--text-secondary);
  line-height: 1.66;
}

.premium-card-main {
  background: linear-gradient(160deg, rgba(19, 56, 200, 0.96), rgba(18, 33, 125, 0.98));
  color: #fff;
}

.premium-card-main p {
  color: rgba(255, 255, 255, 0.78);
}

.premium-chip {
  display: inline-flex;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
}

.support-hero-card {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.support-note {
  display: inline-flex;
  margin-top: 8px;
  color: var(--blue-strong);
  font-weight: 600;
}

.site-footer {
  padding: 26px 28px;
}

.footer-links a {
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--text-secondary);
}

.footer-links a:hover {
  background: rgba(32, 78, 232, 0.08);
  color: var(--blue-strong);
}

@media (max-width: 1040px) {
  .hero,
  .premium-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .page-shell {
    width: min(100% - 20px, 1180px);
    padding-top: 14px;
  }

  .site-header,
  .site-footer {
    flex-direction: column;
    align-items: stretch;
  }

  .site-nav {
    justify-content: center;
  }

  .hero-copy,
  .hero-panel,
  .support-hero-card,
  .section-block,
  .site-footer {
    padding: 24px;
    border-radius: 24px;
  }

  .feature-grid,
  .trust-grid,
  .faq-grid,
  .support-contact-grid,
  .mini-panel-grid,
  .hero-balance-grid {
    grid-template-columns: 1fr;
  }

  .developer-profile-card {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .hero-copy h1 {
    max-width: none;
    font-size: 2.7rem;
  }

  .developer-avatar {
    height: 420px;
  }
}