:root {
  color-scheme: dark;
  --ink: #f4f8fc;
  --muted: #a9b8c9;
  --navy: #071629;
  --navy-soft: #0b213b;
  --line: rgba(168, 204, 236, 0.2);
  --cyan: #54d8ff;
  --yellow: #f8db55;
  --coral: #ff735c;
  --paper: #eef7fa;
  --paper-ink: #0b2037;
  --max: 76rem;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--navy);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.65;
}

a {
  color: inherit;
}

.skip-link {
  position: fixed;
  z-index: 20;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.7rem 1rem;
  background: var(--yellow);
  color: var(--navy);
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: none;
}

.site-header,
.site-footer,
.section,
.proof-strip,
.scanner-section {
  width: min(calc(100% - 2rem), var(--max));
  margin-inline: auto;
}

.site-header {
  min-height: 4.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  color: var(--ink);
  text-decoration: none;
}

.brand-lockup {
  display: block;
  width: clamp(10.75rem, 18vw, 13.75rem);
  height: auto;
}

.site-header .brand-lockup {
  width: clamp(11rem, 18vw, 14rem);
}

nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 3vw, 2rem);
  font-size: 0.9rem;
}

nav a {
  text-decoration: none;
}

nav a:hover,
nav a:focus-visible {
  color: var(--cyan);
}

.nav-cta {
  padding: 0.5rem 1rem;
  border: 1px solid rgba(168, 204, 236, 0.35);
  border-radius: 999px;
  font-weight: 700;
}

.hero {
  position: relative;
  min-height: min(40rem, calc(100svh - 5rem));
  overflow: hidden;
  border-block: 1px solid var(--line);
  isolation: isolate;
}

.hero-art,
.hero-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-art {
  z-index: -2;
  object-fit: cover;
  object-position: center;
}

.hero-shade {
  z-index: -1;
  background: linear-gradient(90deg, rgba(7, 22, 41, 0.98) 0%, rgba(7, 22, 41, 0.93) 31%, rgba(7, 22, 41, 0.15) 72%), linear-gradient(0deg, var(--navy) 0%, transparent 28%);
}

.hero-copy {
  width: min(calc(100% - 2rem), var(--max));
  margin-inline: auto;
  padding: clamp(5rem, 10vw, 8rem) 0;
}

.hero-copy > * {
  max-width: 47rem;
}

.eyebrow,
.terminal-label,
.offer-label,
.aside-kicker {
  color: var(--cyan);
  font: 500 0.78rem/1.4 ui-monospace, "SFMono-Regular", Consolas, monospace;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.eyebrow span {
  display: inline-block;
  width: 0.55rem;
  height: 0.55rem;
  margin-right: 0.5rem;
  border-radius: 50%;
  background: var(--yellow);
  box-shadow: 0 0 1rem rgba(248, 219, 85, 0.8);
}

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

h1 {
  margin-bottom: 1.25rem;
  font-size: clamp(2.75rem, 5.5vw, 5rem);
  line-height: 0.98;
  letter-spacing: -0.065em;
}

h1 em {
  color: var(--yellow);
  font-style: normal;
}

h2 {
  margin-bottom: 1rem;
  font-size: clamp(2rem, 3.6vw, 3.25rem);
  line-height: 1.04;
  letter-spacing: -0.055em;
}

h3 {
  font-size: 1.35rem;
  line-height: 1.2;
  letter-spacing: -0.025em;
}

.hero-lede {
  color: #d3dfeb;
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin: 1.5rem 0 0.75rem;
}

.button {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 1.25rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 0.9375rem;
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
}

.button-primary {
  background: var(--yellow);
  color: var(--navy);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: #fff07d;
}

.button-ghost {
  border-color: rgba(168, 204, 236, 0.35);
  background: rgba(7, 22, 41, 0.65);
}

.button-ghost:hover,
.button-ghost:focus-visible {
  border-color: var(--cyan);
}

.microcopy,
.scanner-note,
.footer-note {
  color: var(--muted);
  font-size: 0.875rem;
}

.proof-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--line);
}

.proof-strip p {
  display: flex;
  min-height: 6.5rem;
  flex-direction: column;
  justify-content: center;
  margin: 0;
  padding: 1rem 1.25rem;
  border-right: 1px solid var(--line);
}

.proof-strip p:last-child {
  border-right: 0;
}

.proof-strip strong {
  color: var(--yellow);
  font: 500 clamp(2rem, 4vw, 3.5rem)/1 ui-monospace, "SFMono-Regular", Consolas, monospace;
}

.proof-strip span {
  color: var(--muted);
}

.section {
  padding-block: clamp(2.5rem, 5vw, 4.5rem);
}

.intro {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(17rem, 0.85fr);
  gap: clamp(1.5rem, 4vw, 4rem);
}

.intro-copy {
  padding-top: 0.5rem;
  color: var(--muted);
  font-size: 1.05rem;
}

.check-grid {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 1rem;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.check-grid article {
  padding: 1.5rem;
  border-right: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(84, 216, 255, 0.04), transparent);
}

.check-grid article:last-child {
  border-right: 0;
}

.check-grid p {
  color: var(--muted);
}

.card-number {
  display: block;
  margin-bottom: 1.25rem;
  color: var(--cyan);
  font: 500 0.8rem/1 ui-monospace, "SFMono-Regular", Consolas, monospace;
}

.scanner-section {
  display: grid;
  grid-template-columns: 1.45fr 0.55fr;
  overflow: hidden;
  border-radius: 0.8rem 3rem 0.8rem 0.8rem;
  background: var(--paper);
  color: var(--paper-ink);
}

.scanner-panel {
  padding: clamp(1.5rem, 4vw, 3rem);
}

.scanner-panel h2 {
  max-width: 42rem;
}

.scanner-panel > p:not(.terminal-label, .scanner-note) {
  max-width: 42rem;
  color: #40566e;
  font-size: 1.1rem;
}

.scanner-status {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 2rem;
  padding: 0.45rem 0.7rem;
  border: 1px solid rgba(11, 32, 55, 0.16);
  border-radius: 999px;
  font: 500 0.75rem/1 ui-monospace, "SFMono-Regular", Consolas, monospace;
  text-transform: uppercase;
}

.status-light {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--coral);
  box-shadow: 0 0 0.7rem rgba(255, 115, 92, 0.7);
}

.terminal-label {
  color: #3f6581;
}

.fake-input {
  display: flex;
  max-width: 47rem;
  min-width: 0;
  margin: 1.5rem 0 0.75rem;
  padding: 0.35rem;
  border: 1px solid #9eb2c1;
  border-radius: 0.45rem 1.25rem 0.45rem 0.45rem;
  background: white;
  box-shadow: 0 1rem 2rem rgba(11, 32, 55, 0.08);
}

.fake-input span {
  min-width: 0;
  flex: 1;
  overflow: hidden;
  padding: 0.75rem 0.85rem;
  color: #73879a;
  font: 400 0.88rem/1.5 ui-monospace, "SFMono-Regular", Consolas, monospace;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.fake-input button {
  padding: 0.75rem 1.25rem;
  border: 0;
  border-radius: 0.25rem 0.9rem 0.25rem 0.25rem;
  background: #bdd0d8;
  color: #40566e;
  font: 800 0.9rem/1 Inter, ui-sans-serif, system-ui, sans-serif;
  cursor: not-allowed;
}

.scanner-aside {
  padding: clamp(1.5rem, 3vw, 2.5rem);
  background: var(--yellow);
  color: var(--paper-ink);
}

.aside-kicker {
  color: #725f00;
}

.scanner-aside ul,
.offer-card ul {
  margin: 1.25rem 0 0;
  padding: 0;
  list-style: none;
}

.scanner-aside li,
.offer-card li {
  padding: 0.6rem 0;
  border-top: 1px solid rgba(11, 32, 55, 0.18);
}

.scanner-aside li::before,
.offer-card li::before {
  content: "↳";
  margin-right: 0.55rem;
}

.split-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(15rem, 0.6fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: end;
}

.split-heading > p {
  color: var(--muted);
}

.offer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 2rem;
  border: 1px solid var(--line);
}

.offer-card {
  padding: 1.5rem;
  border-right: 1px solid var(--line);
}

.offer-card:last-child {
  border-right: 0;
}

.offer-card-featured {
  background: var(--navy-soft);
}

.offer-card .price {
  margin-block: 1.25rem;
  color: var(--yellow);
  font: 500 2rem/1 ui-monospace, "SFMono-Regular", Consolas, monospace;
}

.offer-card .price span {
  display: block;
  margin-top: 0.6rem;
  color: var(--muted);
  font-size: 0.75rem;
}

.offer-card li {
  color: var(--muted);
}

.offer-card li::before {
  color: var(--cyan);
}


.site-footer {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem 3rem;
  padding-block: 2rem;
  align-items: center;
}

.site-footer > p {
  margin: 0;
  color: var(--muted);
  text-align: right;
}

.site-footer .footer-note {
  grid-column: 1 / -1;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  text-align: left;
}

.compat-note {
  margin-top: 2rem;
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: 0.8rem 2rem 0.8rem 0.8rem;
  background: linear-gradient(180deg, rgba(84, 216, 255, 0.05), transparent);
}

.compat-note p {
  max-width: 56rem;
  color: var(--muted);
}

.compat-note p strong {
  color: var(--ink);
}

.compat-note .button {
  margin-top: 1rem;
}

.offer-why {
  color: var(--muted);
  font-size: 0.95rem;
}

.check-grid article p strong {
  color: var(--ink);
  font-weight: 700;
}

.catalog-section {
  padding-block: clamp(3rem, 7vw, 5rem);
}

.catalog-group {
  margin-bottom: 2rem;
}

.catalog-group > h3 {
  margin-bottom: 0.25rem;
  font-size: clamp(1.25rem, 2vw, 1.6rem);
}

.catalog-group > p {
  max-width: 56rem;
  color: var(--muted);
}

.catalog-list {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.catalog-list li {
  display: grid;
  grid-template-columns: minmax(11rem, 17rem) 1fr;
  gap: 0.5rem 2rem;
  padding: 0.875rem 0;
  border-bottom: 1px solid var(--line);
}

.catalog-list .check-id {
  color: var(--cyan);
  font: 500 0.8rem/1.6 ui-monospace, "SFMono-Regular", Consolas, monospace;
  letter-spacing: 0.06em;
}

.catalog-list h4 {
  margin: 0 0 0.3rem;
  font-size: 1.05rem;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

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

.catalog-list p strong {
  color: var(--ink);
}

.catalog-note {
  max-width: 60rem;
  color: var(--muted);
  font-size: 0.95rem;
}


.methodology-scroll { overflow-x: auto; }
.methodology-table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.methodology-table th, .methodology-table td { text-align: left; padding: .75rem; border-bottom: 1px solid rgba(168,204,236,.25); vertical-align: top; }

/* Content-driven layouts shared by phones, tablets and standalone windows. */
body { overflow-wrap: anywhere; padding: 0 env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left); }
img { max-width: 100%; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid var(--cyan); outline-offset: 4px; }
nav a[aria-current="page"] { color: var(--cyan); text-decoration: underline; text-underline-offset: .3em; }
nav a { display: inline-flex; align-items: center; justify-content: center; min-width: 2.75rem; min-height: 2.75rem; }
.hero-copy { padding-block: clamp(2.5rem, 6vw, 5rem); }
h1, h2 { text-wrap: balance; }
.catalog-section { padding-block: clamp(2rem, 4vw, 3.5rem); }
.catalog-section > p { max-width: 75ch; }
.catalog-section > h2 { margin-top: 2rem; font-size: clamp(1.5rem, 3vw, 2.25rem); line-height: 1.12; }
.section + .section { padding-top: clamp(1rem, 2vw, 2rem); }
.section h1 { font-size: clamp(2.25rem, 4.5vw, 3.75rem); line-height: 1.02; }
.page-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.5rem; }
.check-grid, .offer-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.check-grid article, .offer-card, .scanner-panel, .scanner-aside { min-width: 0; }
.catalog-list li { grid-template-columns: minmax(0, 17rem) minmax(0, 1fr); }
.catalog-list li > div:only-child { display: grid; grid-column: 1 / -1; grid-template-columns: subgrid; gap: inherit; }
.catalog-list li > div:only-child > h4 { margin: 0; }
.catalog-section h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); }
.methodology-scroll { overflow-x: auto; }
.methodology-table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.methodology-table th, .methodology-table td { text-align: left; padding: .625rem .75rem; border-bottom: 1px solid rgba(168,204,236,.25); vertical-align: top; }
.methodology-table caption { text-align: left; margin-block: 1rem; color: var(--muted); }
.methodology-table th { color: var(--ink); }
.methodology-table thead { background: var(--navy-soft); }
.methodology-table .cell-label { display: none; }

@media (max-width: 64rem) {
  .site-header { flex-wrap: wrap; gap: 0 1rem; padding-block: .5rem; }
  .site-header nav { flex-wrap: wrap; gap: 0 1rem; font-size: .875rem; }
  .methodology-scroll { overflow: visible; }
  .methodology-table, .methodology-table tbody { display: block; }
  .methodology-table thead { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); }
  .methodology-table tr { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-block: .75rem; padding: 1rem; gap: .75rem .5rem; border: 1px solid var(--line); border-radius: .875rem; background: var(--navy-soft); }
  .methodology-table :is(th, td) { display: block; padding: 0; border: 0; font-size: 1rem; }
  .methodology-table tbody th { grid-column: 1 / -1; font-size: 1.125rem; line-height: 1.4; }
  .methodology-table td:nth-child(2), .methodology-table td:last-child { grid-column: 1 / -1; color: var(--muted); }
  .methodology-table td:nth-child(n+3):nth-child(-n+6) { padding: .625rem .125rem; border-radius: .375rem; background: var(--navy); text-align: center; }
  .methodology-table .cell-label { display: block; margin-bottom: .25rem; color: var(--muted); font-size: .6875rem; font-weight: 600; letter-spacing: .02em; }
}

@media (max-width: 820px) {
  .hero { min-height: auto; }
  .hero-art { object-position: 64% center; }
  .hero-shade { background: linear-gradient(90deg, rgba(7, 22, 41, 0.98) 0%, rgba(7, 22, 41, 0.83) 62%, rgba(7, 22, 41, 0.35) 100%), linear-gradient(0deg, var(--navy) 0%, transparent 40%); }
  .proof-strip { grid-template-columns: repeat(2, 1fr); }
  .proof-strip p:nth-child(2) { border-right: 0; }
  .proof-strip p:nth-child(-n + 2) { border-bottom: 1px solid var(--line); }
  .intro, .split-heading, .scanner-section, .site-footer { grid-template-columns: 1fr; }
  .check-grid, .offer-grid, .catalog-list li { grid-template-columns: 1fr; }
  .check-grid article, .offer-card { min-height: auto; padding: 1.25rem; border-right: 0; border-bottom: 1px solid var(--line); }
  .check-grid article:last-child, .offer-card:last-child { border-bottom: 0; }
  .card-number { margin-bottom: 1rem; }
  .intro-copy { padding-top: 0; }
  .offer-grid { margin-top: 1.5rem; }
  .site-footer > p { text-align: left; }
}

@media (max-width: 520px) {
  .site-header, .site-footer, .section, .proof-strip, .scanner-section, .hero-copy { width: calc(100% - 2rem); }
  .site-header { min-height: 3.75rem; }
  .site-header .brand-lockup { width: clamp(9.5rem, 44vw, 11rem); }
  .site-header nav { gap: 0 .75rem; font-size: .8125rem; }
  .nav-cta { padding-inline: .75rem; }
  h1 { font-size: clamp(2.25rem, 10vw, 3rem); line-height: 1.03; letter-spacing: -.045em; }
  h2 { font-size: clamp(1.75rem, 7.5vw, 2.25rem); line-height: 1.08; }
  .hero-copy { padding-block: 2.25rem; }
  .hero-copy > * { max-width: 100%; }
  .hero-art { object-position: 67% center; opacity: .45; }
  .hero-shade { background: linear-gradient(90deg, rgba(7,22,41,.95), rgba(7,22,41,.65)); }
  .hero-lede { font-size: 1.0625rem; }
  .eyebrow { font-size: .6875rem; letter-spacing: .06em; }
  .button { width: 100%; }
  .proof-strip p { min-height: 5.5rem; margin: 0; padding: .875rem .75rem; }
  .proof-strip span { font-size: .875rem; }
  .compat-note { padding: 1.25rem; margin-top: 1.5rem; }
  .scanner-panel, .scanner-aside { padding: 1.25rem; }
  .scanner-status { margin-bottom: 1.5rem; line-height: 1.4; }
  .fake-input { display: block; }
  .fake-input span, .fake-input button { display: block; width: 100%; }
  .fake-input span { white-space: normal; overflow: visible; overflow-wrap: anywhere; }
}

@media (max-height: 32rem) and (min-width: 40rem) {
  .hero { min-height: 0; }
  .hero-copy { padding-block: 2rem; }
  .site-header { gap: .25rem; padding-block: .25rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

/* Account navigation is personalized by the staging composition. */
.site-header nav .brand-account { display:inline-flex; align-items:center; gap:.5rem; min-height:2.75rem; padding:.5rem .9rem; border:1px solid rgba(168,204,236,.35); border-radius:999px; font-weight:700; }
.site-header .brand-account-state { color:#54d8ff; font-size:.75rem; }
@media(max-width:36rem) { .site-header .brand-account-state { display:none; } }