* {
  box-sizing: border-box;
}

:root {
  color-scheme: dark;
  --bg: #0a0d14;
  --panel: #121724;
  --ink: #f6f7fb;
  --muted: #aab2c5;
  --line: rgba(255, 255, 255, 0.14);
  --blue: #67d7ff;
  --green: #7cffad;
  --pink: #ff8fb8;
  --gold: #ffd36b;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(103, 215, 255, 0.22), transparent 34rem),
    radial-gradient(circle at 80% 18%, rgba(255, 143, 184, 0.18), transparent 30rem),
    linear-gradient(180deg, #111827, var(--bg) 42rem);
  color: var(--ink);
}

a {
  color: inherit;
}

.carter-hero,
.section,
.final-section {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.carter-hero {
  min-height: 100vh;
  padding: 24px 0 64px;
}

.carter-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
  font-size: 0.9rem;
  font-weight: 800;
}

.carter-nav div {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.carter-nav a {
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 9px 12px;
  background: rgba(255, 255, 255, 0.06);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 48px;
  align-items: center;
  min-height: calc(100vh - 90px);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 820px;
  margin-bottom: 22px;
  font-size: clamp(3rem, 8vw, 6.8rem);
  line-height: 0.9;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 5vw, 4.2rem);
  line-height: 0.95;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.2rem;
}

.hero-lead,
.section > p,
.section-heading p,
.phone-section > div > p,
.final-section > p {
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.28rem);
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 30px;
}

.share-strip {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  width: fit-content;
  margin-top: 18px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.07);
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 800;
}

.share-strip code {
  color: var(--ink);
  font-family: inherit;
}

.share-strip button {
  border: 0;
  border-radius: 999px;
  padding: 7px 10px;
  background: rgba(103, 215, 255, 0.18);
  color: var(--blue);
  font: inherit;
  font-size: 0.82rem;
  font-weight: 900;
  cursor: pointer;
}

.primary-action,
.secondary-action,
.final-section button {
  border: 0;
  border-radius: 999px;
  padding: 14px 18px;
  font: inherit;
  font-weight: 900;
  text-decoration: none;
  cursor: pointer;
}

.primary-action,
.final-section button {
  background: linear-gradient(135deg, var(--blue), var(--green));
  color: #071017;
}

.secondary-action {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.08);
  color: var(--ink);
}

.phone-stage {
  display: grid;
  place-items: center;
}

.phone-shell {
  width: min(340px, 80vw);
  aspect-ratio: 9 / 18.5;
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 42px;
  background: linear-gradient(145deg, #242b3d, #080b11);
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.55);
  transform: rotate(3deg);
}

.phone-screen {
  height: 100%;
  padding: 18px;
  border-radius: 30px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.10), transparent),
    #0d1220;
  overflow: hidden;
}

.phone-status,
.phone-card,
.phone-screen li {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.08);
}

.phone-status {
  display: flex;
  justify-content: space-between;
  border-radius: 18px;
  padding: 10px 12px;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 800;
}

.phone-card {
  margin: 70px 0 18px;
  border-radius: 24px;
  padding: 18px;
}

.phone-badge {
  display: inline-block;
  margin-bottom: 22px;
  color: var(--gold);
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.phone-card strong {
  display: block;
  margin-bottom: 8px;
  font-size: 1.45rem;
  line-height: 1;
}

.phone-card p {
  color: var(--muted);
}

.phone-meter {
  height: 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.10);
  overflow: hidden;
}

.phone-meter span {
  display: block;
  width: 76%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--blue), var(--green), var(--gold));
}

.phone-screen ul {
  display: grid;
  gap: 9px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.phone-screen li {
  border-radius: 16px;
  padding: 11px 12px;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 800;
}

.section {
  padding: 84px 0;
}

.ask-section {
  max-width: 840px;
}

.proof-grid,
.use-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 32px;
}

.proof-grid article,
.use-list article,
.receipt {
  border: 1px solid var(--line);
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.075);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.24);
}

.proof-grid article,
.use-list article {
  padding: 24px;
}

.proof-grid img {
  width: 64px;
  height: 64px;
  margin-bottom: 26px;
  object-fit: contain;
}

.proof-grid p,
.use-list p {
  color: var(--muted);
  line-height: 1.6;
}

.phone-section {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 32px;
  align-items: start;
}

.use-list {
  margin-top: 0;
}

.use-list span {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 22px;
  border-radius: 50%;
  background: rgba(103, 215, 255, 0.16);
  color: var(--blue);
  font-weight: 900;
}

.receipt-section {
  max-width: 780px;
}

.receipt {
  display: grid;
  gap: 1px;
  overflow: hidden;
}

.receipt p {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  margin: 0;
  padding: 18px 20px;
  background: rgba(255, 255, 255, 0.045);
}

.receipt strong {
  color: var(--green);
}

.final-section {
  padding: 120px 0 96px;
  text-align: center;
}

.final-section h2 {
  max-width: 900px;
  margin-inline: auto;
}

.final-section p {
  max-width: 720px;
  margin-inline: auto;
}

.carter-line {
  margin-top: 24px;
  color: var(--gold) !important;
  font-weight: 900;
}

.reviewed {
  animation: reviewed-pop 0.45s ease both;
}

@keyframes reviewed-pop {
  50% {
    transform: scale(1.04);
  }
}

@media (max-width: 860px) {
  .hero-grid,
  .phone-section {
    grid-template-columns: 1fr;
  }

  .phone-stage {
    order: -1;
    min-height: 520px;
  }

  .proof-grid,
  .use-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .carter-nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .carter-hero,
  .section,
  .final-section {
    width: min(100% - 24px, 1120px);
  }

  .phone-shell {
    width: min(300px, 86vw);
  }
}