:root {
  color-scheme: dark;
  --background: #050606;
  --surface: #121313;
  --surface-strong: #1c1d1f;
  --border: #2b2d30;
  --text: #f7f7f5;
  --muted: #a3a4aa;
  --soft: #d7d7d2;
  --green: #30d158;
  --blue: #64d2ff;
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--background);
  color: var(--text);
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    'Segoe UI',
    sans-serif;
  letter-spacing: 0;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(5, 6, 6, 0.82);
  backdrop-filter: blur(18px);
}

.nav {
  width: min(100% - 32px, var(--max));
  min-height: 68px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  position: relative;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 900;
}

.brand-dot {
  width: 11px;
  height: 11px;
  border-radius: 999px;
  background: var(--green);
  box-shadow: 0 0 24px rgba(48, 209, 88, 0.55);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 16px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
}

.nav-links a {
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--text);
}

.nav-cta {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  padding: 0 12px;
  border-radius: 8px;
  color: #061007;
  background: var(--green);
}

.nav-links .nav-cta:hover,
.nav-links .nav-cta:focus-visible {
  color: #061007;
}

.menu-toggle {
  width: 42px;
  height: 42px;
  display: none;
  place-items: center;
  gap: 4px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(18, 19, 19, 0.88);
  color: var(--text);
  cursor: pointer;
}

.menu-toggle span {
  width: 18px;
  height: 2px;
  display: block;
  border-radius: 999px;
  background: currentColor;
  transition:
    transform 160ms ease,
    opacity 160ms ease;
}

.menu-toggle[aria-expanded='true'] span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

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

.menu-toggle[aria-expanded='true'] span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.hero {
  min-height: calc(100vh - 68px);
  overflow: hidden;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: #050606;
}

.hero-inner {
  width: min(100% - 32px, var(--max));
  min-height: calc(100vh - 68px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(330px, 430px);
  gap: 72px;
  align-items: center;
  padding: 76px 0 92px;
}

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

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--soft);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

.eyebrow::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--green);
}

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

h1 {
  max-width: 720px;
  margin-top: 22px;
  font-size: clamp(52px, 8vw, 92px);
  line-height: 0.94;
  font-weight: 950;
}

.accent {
  color: var(--green);
}

.hero-copy {
  max-width: 590px;
  margin-top: 24px;
  color: var(--soft);
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.35;
  font-weight: 760;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  background: rgba(18, 19, 19, 0.72);
  text-decoration: none;
  font-weight: 900;
}

.button.primary {
  color: #061007;
  background: var(--green);
  border-color: var(--green);
}

.hero-note {
  max-width: 560px;
  margin-top: 12px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.4;
  font-weight: 820;
}

.hero-proof {
  max-width: 720px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.hero-proof span {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  padding: 0 12px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: rgba(18, 19, 19, 0.62);
  color: var(--soft);
  font-size: 13px;
  font-weight: 900;
}

.hero-proof span::before {
  content: '';
  width: 7px;
  height: 7px;
  flex: 0 0 7px;
  margin-right: 8px;
  border-radius: 999px;
  background: var(--blue);
}

.product-visual {
  min-height: 660px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.phone-shell {
  width: min(100%, 350px);
  padding: 11px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 42px;
  background: #202124;
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.45);
}

.phone-screen {
  min-height: 620px;
  display: flex;
  flex-direction: column;
  padding: 20px 16px 18px;
  border-radius: 32px;
  background: #070808;
  overflow: hidden;
}

.phone-status,
.app-bar,
.phone-tabs {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.phone-status {
  color: var(--soft);
  font-size: 12px;
  font-weight: 900;
}

.app-bar {
  margin-top: 28px;
}

.app-bar span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.app-bar strong {
  font-size: 26px;
  line-height: 1;
}

.session-summary {
  margin-top: 20px;
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
}

.summary-label {
  color: var(--green);
  font-size: 12px;
  font-weight: 950;
  text-transform: uppercase;
}

.session-summary strong {
  display: block;
  margin-top: 8px;
  font-size: 44px;
  line-height: 0.95;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 22px;
}

.summary-grid span {
  display: grid;
  gap: 5px;
  color: var(--text);
  font-size: 20px;
  font-weight: 950;
}

.summary-grid small {
  color: var(--muted);
  font-size: 10px;
  font-weight: 950;
  text-transform: uppercase;
}

.exercise-list {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.exercise-row {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.exercise-row span {
  color: var(--text);
  font-size: 17px;
  font-weight: 900;
}

.exercise-row strong {
  color: var(--muted);
  font-size: 14px;
  font-weight: 850;
}

.phone-tabs {
  margin-top: auto;
  padding: 18px 34px 0;
}

.phone-tabs span {
  width: 11px;
  height: 11px;
  border-radius: 999px;
  background: #3a3b3f;
}

.phone-tabs .active {
  background: var(--green);
  box-shadow: 0 0 18px rgba(48, 209, 88, 0.45);
}

.sticker-preview {
  width: 214px;
  display: grid;
  gap: 7px;
  position: absolute;
  right: 0;
  bottom: 88px;
  padding: 18px;
  border: 1px solid rgba(48, 209, 88, 0.46);
  border-radius: 8px;
  background: rgba(18, 19, 19, 0.92);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.42);
}

.sticker-preview span {
  color: var(--green);
  font-size: 12px;
  font-weight: 950;
}

.sticker-preview strong {
  font-size: 22px;
  line-height: 1.05;
}

.sticker-preview small {
  color: var(--soft);
  font-size: 14px;
  font-weight: 850;
}

.section {
  width: min(100% - 32px, var(--max));
  margin: 0 auto;
  padding: 88px 0;
}

.section-header {
  display: grid;
  gap: 14px;
  max-width: 760px;
}

.section h2 {
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1;
  font-weight: 950;
}

.section-lead {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.45;
  font-weight: 720;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 34px;
}

.feature {
  min-height: 190px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 22px;
  padding: 22px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.feature-mark {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: rgba(48, 209, 88, 0.14);
  color: var(--green);
  font-size: 19px;
  font-weight: 950;
}

.feature h3 {
  font-size: 21px;
  line-height: 1.12;
}

.feature p {
  color: var(--muted);
  line-height: 1.45;
  font-weight: 650;
}

.feature-grid .feature:nth-child(2) {
  background: var(--surface-strong);
}

.feature-grid .feature:nth-child(3) {
  background:
    radial-gradient(circle at 100% 0%, rgba(48, 209, 88, 0.12), transparent 36%), var(--surface);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 430px);
  gap: 42px;
  align-items: start;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.metric {
  min-height: 118px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.metric span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.metric strong {
  font-size: 32px;
  line-height: 1;
}

.compact-feature {
  min-height: 136px;
  justify-content: center;
}

.compact-feature span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.compact-feature h3 {
  font-size: 24px;
}

.sticker-gallery {
  display: grid;
  grid-template-columns: 1.1fr 0.85fr 0.85fr;
  gap: 14px;
  margin-top: 34px;
  align-items: stretch;
}

.sticker-card {
  min-height: 280px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 10px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background:
    radial-gradient(circle at 50% 0%, rgba(48, 209, 88, 0.16), transparent 42%), var(--surface);
}

.sticker-card-primary {
  border-color: rgba(48, 209, 88, 0.52);
  background: linear-gradient(135deg, rgba(48, 209, 88, 0.14), transparent 42%), #0a0d0b;
}

.sticker-card span {
  color: var(--green);
  font-size: 12px;
  font-weight: 950;
  text-transform: uppercase;
}

.sticker-card strong {
  color: var(--text);
  font-size: 28px;
  line-height: 1.04;
}

.sticker-value {
  color: var(--text);
  font-size: clamp(42px, 6vw, 62px);
  line-height: 0.95;
  font-weight: 950;
}

.sticker-card small {
  color: var(--muted);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

.sticker-card b {
  margin-top: auto;
  color: var(--text);
  font-size: 17px;
  line-height: 1;
}

.sticker-mini-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-top: 8px;
}

.sticker-mini-grid span {
  display: grid;
  gap: 4px;
  color: var(--text);
  font-size: 20px;
  font-weight: 950;
  text-transform: none;
}

.sticker-mini-grid small {
  color: var(--muted);
  font-size: 10px;
}

.global-strip {
  display: grid;
  grid-template-columns: minmax(110px, 0.7fr) minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 12px;
  margin-top: 30px;
}

.global-pill {
  min-height: 92px;
  display: grid;
  align-content: center;
  gap: 8px;
  padding: 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.global-pill span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.global-pill h3 {
  font-size: 22px;
  line-height: 1.08;
}

.sticker-showcase {
  display: grid;
  gap: 12px;
  margin-top: 34px;
}

.share-sticker {
  display: grid;
  gap: 8px;
  padding: 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.share-sticker span {
  color: var(--green);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.share-sticker strong {
  color: var(--text);
  font-size: 24px;
  line-height: 1.05;
}

.share-sticker small {
  color: var(--muted);
  font-size: 15px;
  font-weight: 760;
  line-height: 1.35;
}

.secondary-sticker {
  border-color: rgba(255, 255, 255, 0.16);
}

.policy-layout {
  width: min(100% - 32px, 860px);
  margin: 0 auto;
  padding: 74px 0 96px;
}

.policy-layout h1 {
  max-width: 820px;
  font-size: clamp(42px, 7vw, 70px);
}

.policy-meta {
  margin-top: 16px;
  color: var(--muted);
  font-weight: 760;
}

.policy-content {
  display: grid;
  gap: 34px;
  margin-top: 48px;
}

.policy-content section {
  display: grid;
  gap: 12px;
  padding-top: 4px;
}

.policy-content h2 {
  font-size: 25px;
  line-height: 1.1;
}

.policy-content p,
.policy-content li {
  color: var(--soft);
  font-size: 16px;
  line-height: 1.62;
}

.policy-content ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding-left: 22px;
}

.callout {
  padding: 20px;
  background: rgba(48, 209, 88, 0.1);
  border: 1px solid rgba(48, 209, 88, 0.28);
  border-radius: 8px;
}

.page-cta {
  display: grid;
  gap: 16px;
  margin-top: 56px;
  padding: 24px;
  border: 1px solid rgba(48, 209, 88, 0.3);
  border-radius: 8px;
  background:
    radial-gradient(circle at 100% 0%, rgba(48, 209, 88, 0.16), transparent 36%),
    var(--surface);
}

.page-cta h2 {
  max-width: 680px;
  font-size: clamp(30px, 5vw, 46px);
  line-height: 1;
}

.page-cta p {
  max-width: 620px;
  color: var(--soft);
  font-size: 17px;
  line-height: 1.45;
  font-weight: 720;
}

.page-cta .button {
  width: fit-content;
}

.guide-grid {
  display: grid;
  gap: 14px;
  margin-top: 48px;
}

.guide-card {
  display: grid;
  gap: 12px;
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  text-decoration: none;
}

.guide-card:hover,
.guide-card:focus-visible {
  border-color: rgba(48, 209, 88, 0.48);
  background:
    radial-gradient(circle at 100% 0%, rgba(48, 209, 88, 0.12), transparent 32%),
    var(--surface);
}

.guide-card span {
  color: var(--green);
  font-size: 12px;
  font-weight: 950;
  text-transform: uppercase;
}

.guide-card h2 {
  font-size: clamp(25px, 4vw, 36px);
  line-height: 1.05;
}

.guide-card p {
  max-width: 680px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.48;
  font-weight: 720;
}

.article-layout {
  max-width: 900px;
}

.article-content {
  max-width: 760px;
}

.article-content h2 {
  font-size: 28px;
}

.back-link {
  display: inline-flex;
  width: fit-content;
  margin-bottom: 24px;
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 900;
}

.back-link:hover,
.back-link:focus-visible {
  color: var(--text);
}

.final-cta {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.final-cta .section-header {
  max-width: 840px;
}

.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--muted);
}

.footer-inner {
  width: min(100% - 32px, var(--max));
  min-height: 96px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 14px;
  font-weight: 760;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-links a {
  text-decoration: none;
}

@media (max-width: 780px) {
  .nav {
    min-height: 62px;
  }

  .menu-toggle {
    display: grid;
  }

  .nav-links {
    display: none;
  }

  .nav-links.is-open {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    display: grid;
    align-items: stretch;
    gap: 4px;
    padding: 8px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: rgba(18, 19, 19, 0.98);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.46);
  }

  .nav-links.is-open a {
    min-height: 46px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
  }

  .nav-links.is-open a:hover,
  .nav-links.is-open a:focus-visible {
    background: rgba(255, 255, 255, 0.06);
  }

  .nav-links.is-open .nav-cta {
    color: #061007;
    background: var(--green);
  }

  .hero {
    min-height: auto;
  }

  .hero-inner {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 46px;
    padding: 64px 0 84px;
  }

  .product-visual {
    min-height: 590px;
    justify-content: flex-start;
  }

  .phone-shell {
    width: min(100%, 330px);
  }

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

  .sticker-preview {
    right: auto;
    left: 230px;
    bottom: 54px;
    width: min(210px, calc(100vw - 262px));
  }

  .feature-grid,
  .split,
  .metrics,
  .sticker-gallery,
  .global-strip,
  .guide-grid {
    grid-template-columns: 1fr;
  }

  .feature {
    min-height: 0;
    gap: 16px;
    padding: 18px;
  }

  .feature-mark {
    width: 32px;
    height: 32px;
    font-size: 16px;
  }

  .feature h3 {
    font-size: 19px;
  }

  .feature p {
    font-size: 14px;
    line-height: 1.38;
  }

  .sticker-gallery {
    gap: 10px;
  }

  .sticker-card {
    min-height: 210px;
  }

  .sticker-card-primary {
    min-height: 260px;
  }

  .global-strip {
    gap: 10px;
  }

  .global-pill {
    min-height: 76px;
  }

  .footer-inner {
    padding: 22px 0;
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  .nav {
    align-items: center;
    flex-direction: row;
    justify-content: space-between;
    min-height: 60px;
  }

  .nav-links {
    display: none;
  }

  .hero {
    min-height: auto;
  }

  .hero-copy,
  .section-lead {
    font-size: 16px;
  }

  .section {
    padding: 58px 0;
  }

  .section-header {
    gap: 10px;
  }

  .section h2 {
    font-size: clamp(31px, 9vw, 42px);
  }

  .feature-grid,
  .metrics,
  .sticker-gallery,
  .global-strip,
  .guide-grid {
    margin-top: 22px;
  }

  h1 {
    font-size: clamp(46px, 14vw, 62px);
  }

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

  .hero-proof span {
    flex: 1 1 100%;
  }

  .product-visual {
    min-height: 560px;
  }

  .phone-shell {
    width: min(100%, 310px);
    padding: 9px;
    border-radius: 36px;
  }

  .phone-screen {
    min-height: 530px;
    border-radius: 28px;
  }

  .session-summary strong {
    font-size: 38px;
  }

  .metric {
    min-height: 92px;
  }

  .metric strong {
    font-size: 28px;
  }

  .sticker-card {
    min-height: 176px;
    padding: 20px;
  }

  .sticker-card-primary {
    min-height: 246px;
  }

  .sticker-card strong {
    font-size: 25px;
  }

  .sticker-value {
    font-size: clamp(42px, 14vw, 58px);
  }

  .global-pill {
    min-height: 68px;
    padding: 16px;
  }

  .global-pill h3 {
    font-size: 19px;
  }

  .sticker-preview {
    left: auto;
    right: 0;
    bottom: 22px;
    width: 188px;
  }
}