:root {
  color-scheme: light;
  --bg: #f7f9f6;
  --surface: #ffffff;
  --surface-soft: #eef6f3;
  --ink: #15211d;
  --muted: #5f6f68;
  --line: #d7e4df;
  --accent: #0f8a73;
  --accent-dark: #075f50;
  --accent-soft: #dff3ee;
  --warm: #f4b94f;
  --shadow: 0 24px 70px rgba(22, 44, 36, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--bg);
  overflow-x: hidden;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 68px;
  padding: 0 max(22px, calc((100vw - 1160px) / 2));
  border-bottom: 1px solid rgba(215, 228, 223, 0.9);
  background: rgba(247, 249, 246, 0.92);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  display: inline-grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 8px;
  color: #fff;
  background: var(--accent);
  font-size: 0.82rem;
  letter-spacing: 0;
}

.nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav a {
  padding: 10px 12px;
  border-radius: 6px;
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 700;
  text-decoration: none;
}

.nav a:hover {
  color: var(--accent-dark);
  background: var(--accent-soft);
}

main {
  overflow: hidden;
}

.hero,
.section,
.cta-section,
.footer {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: 54px;
  align-items: center;
  min-height: calc(100vh - 68px);
  padding: 72px 0 78px;
}

.hero-copy {
  max-width: 720px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent-dark);
  font-size: 0.9rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
}

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

h1 {
  max-width: 760px;
  margin-bottom: 24px;
  font-size: clamp(3.2rem, 8vw, 6.8rem);
  line-height: 0.96;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

h1 span {
  display: block;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 1.06;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.2rem;
  line-height: 1.3;
  letter-spacing: 0;
}

.intro,
.section-head p,
.cta-section p,
.footer p,
article p,
details p {
  color: var(--muted);
  line-height: 1.75;
}

.intro {
  max-width: 660px;
  margin-bottom: 32px;
  font-size: 1.18rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border: 1px solid var(--accent);
  border-radius: 7px;
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
}

.button.primary {
  color: #fff;
  background: var(--accent);
}

.button.primary:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
}

.button.secondary {
  color: var(--accent-dark);
  background: transparent;
}

.button.secondary:hover {
  background: var(--accent-soft);
}

.trust-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.trust-list li {
  padding: 8px 11px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--accent-dark);
  background: rgba(255, 255, 255, 0.68);
  font-size: 0.92rem;
  font-weight: 750;
}

.hero-panel {
  display: grid;
  gap: 14px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.sim-card {
  min-height: 230px;
  padding: 24px;
  border-radius: 8px;
  color: #fff;
  background:
    linear-gradient(135deg, rgba(244, 185, 79, 0.95), rgba(244, 185, 79, 0) 40%),
    linear-gradient(145deg, #0f8a73, #183a33);
}

.chip {
  display: block;
  width: 50px;
  height: 38px;
  margin-bottom: 72px;
  border: 2px solid rgba(255, 255, 255, 0.78);
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.22);
}

.sim-title,
.sim-subtitle {
  display: block;
  letter-spacing: 0;
}

.sim-title {
  font-size: 2.2rem;
  font-weight: 900;
}

.sim-subtitle {
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.86rem;
  font-weight: 800;
}

.quick-price {
  display: grid;
  gap: 4px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.quick-price.featured {
  border-color: rgba(15, 138, 115, 0.35);
  background: var(--accent-soft);
}

.quick-price span,
.label {
  color: var(--accent-dark);
  font-size: 0.88rem;
  font-weight: 850;
}

.quick-price strong {
  font-size: 2rem;
}

.quick-price small {
  color: var(--muted);
}

.section {
  padding: 78px 0;
  border-top: 1px solid var(--line);
}

.section-head {
  max-width: 780px;
  margin-bottom: 34px;
}

.feature-grid,
.price-grid,
.use-list,
.steps {
  display: grid;
  gap: 16px;
}

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

.feature-grid article,
.price-card,
.use-list article,
.steps article,
.faq-list details,
.order-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.feature-grid article,
.use-list article,
.steps article {
  padding: 22px;
}

.icon,
.steps span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 32px;
  margin-bottom: 18px;
  border-radius: 6px;
  color: var(--accent-dark);
  background: var(--accent-soft);
  font-size: 0.82rem;
  font-weight: 900;
}

.price-section {
  border-top: 0;
}

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

.price-card {
  padding: 26px;
}

.price-card.highlighted {
  border-color: rgba(15, 138, 115, 0.45);
  background: linear-gradient(180deg, #ffffff, var(--surface-soft));
  box-shadow: var(--shadow);
}

.price {
  margin: 20px 0;
  font-size: 3rem;
  font-weight: 900;
  letter-spacing: 0;
}

.price span {
  color: var(--muted);
  font-size: 1rem;
  font-weight: 700;
}

.price-card ul {
  display: grid;
  gap: 10px;
  padding-left: 20px;
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

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

.compare-table {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.row {
  display: grid;
  grid-template-columns: 0.8fr 1fr 1.2fr 1.2fr;
  border-top: 1px solid var(--line);
}

.row:first-child {
  border-top: 0;
}

.row.head {
  color: var(--accent-dark);
  background: var(--accent-soft);
  font-weight: 850;
}

.row div {
  padding: 16px;
  color: var(--muted);
  line-height: 1.6;
}

.row.head div,
.row div:first-child {
  color: var(--ink);
  font-weight: 800;
}

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

.faq-list {
  display: grid;
  gap: 10px;
}

.faq-list details {
  padding: 18px 20px;
}

.faq-list summary {
  cursor: pointer;
  color: var(--ink);
  font-weight: 850;
}

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

.cta-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 28px;
  align-items: center;
  margin-top: 28px;
  padding: 34px;
  border-radius: 8px;
  color: #fff;
  background: linear-gradient(135deg, #0f8a73, #183a33);
}

.cta-section .eyebrow,
.cta-section p {
  color: rgba(255, 255, 255, 0.82);
}

.cta-section h2 {
  margin-bottom: 14px;
}

.order-card {
  display: grid;
  justify-items: center;
  gap: 12px;
  padding: 18px;
  color: var(--ink);
}

.qr-placeholder {
  display: grid;
  width: 138px;
  aspect-ratio: 1;
  place-items: center;
  border: 1px dashed var(--accent);
  border-radius: 8px;
  color: var(--accent-dark);
  background: var(--accent-soft);
  font-weight: 900;
}

.order-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.footer {
  padding: 34px 0 48px;
}

.footer p {
  margin: 0;
  font-size: 0.92rem;
}

@media (max-width: 920px) {
  .site-header {
    align-items: flex-start;
    min-height: auto;
    padding: 14px 20px;
  }

  .nav {
    overflow-x: auto;
    max-width: 58vw;
    padding-bottom: 2px;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 32px;
    min-height: auto;
    padding-top: 54px;
  }

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

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

  .row.head {
    display: none;
  }

  .row div {
    padding: 12px 16px;
  }

  .row div:first-child {
    padding-top: 18px;
  }

  .row div:last-child {
    padding-bottom: 18px;
  }

  .cta-section {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .site-header {
    position: static;
    display: grid;
    gap: 12px;
  }

  .nav {
    max-width: 100%;
  }

  .hero,
  .section,
  .cta-section,
  .footer {
    width: 100%;
    padding-left: 14px;
    padding-right: 14px;
  }

  .hero {
    padding-top: 42px;
    padding-bottom: 58px;
  }

  h1 {
    max-width: 100%;
    font-size: 1.75rem;
    line-height: 1.12;
    word-break: break-all;
  }

  h2 {
    font-size: 2.1rem;
  }

  .intro {
    font-size: 1rem;
    max-width: 100%;
    word-break: break-all;
  }

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

  .trust-list li {
    text-align: center;
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .feature-grid,
  .price-grid,
  .use-list,
  .steps {
    grid-template-columns: 1fr;
  }

  .section {
    padding-top: 54px;
    padding-bottom: 54px;
  }

  .price {
    font-size: 2.5rem;
  }

  .cta-section {
    padding: 24px;
  }
}
