/*
  Lock In Control — production CSS
  - No external dependencies
  - WCAG 2.2 AA contrast tokens (see /A11Y.md)
*/

:root {
  --accent: #E11D48;
  --accent-2: #00C2FF;
  --focus: #00C2FF;
  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 26px;

  --section-pad-y: 30px;
  --h-pad-top: 15px;
  --h-pad-bottom: 10px;

  --container: 1120px;
  --shadow: 0 14px 42px rgba(0,0,0,.28);
  --shadow-soft: 0 10px 30px rgba(0,0,0,.18);
  --blur: 14px;

  color-scheme: dark;
}

html[data-theme="dark"] {
  --bg: #070A12;
  --bg2: #0B1020;
  --text: #F4F7FF;
  --muted: #B3BDD0;
  --surface: rgba(255,255,255,0.06);
  --surface2: rgba(255,255,255,0.10);
  --border: rgba(255,255,255,0.16);
  --divider: rgba(255,255,255,0.10);
  --shadow: 0 16px 60px rgba(0,0,0,.45);
  --shadow-soft: 0 12px 34px rgba(0,0,0,.30);
  color-scheme: dark;
}

html[data-theme="light"] {
  --bg: #F7F8FC;
  --bg2: #FFFFFF;
  --text: #0B1020;
  --muted: #556070;
  --surface: rgba(11,16,32,0.04);
  --surface2: rgba(11,16,32,0.08);
  --border: rgba(11,16,32,0.16);
  --divider: rgba(11,16,32,0.10);
  --shadow: 0 16px 60px rgba(11,16,32,.18);
  --shadow-soft: 0 12px 34px rgba(11,16,32,.12);
  color-scheme: light;
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Liberation Sans", sans-serif;
  background:
    radial-gradient(900px 520px at 20% -10%, rgba(225,29,72,.18), transparent 55%),
    radial-gradient(760px 520px at 90% 10%, rgba(0,194,255,.16), transparent 55%),
    linear-gradient(180deg, var(--bg), var(--bg2));
  color: var(--text);
  line-height: 1.5;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; }

a { color: inherit; text-decoration-thickness: 2px; text-underline-offset: 3px; }

a:focus-visible, button:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: 8px;
  z-index: 1000;
  padding: 10px 12px;
  border-radius: 12px;
  background: var(--bg2);
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
  transform: translateY(-140%);
  transition: transform .18s ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.container {
  width: min(var(--container), calc(100% - 32px));
  margin-inline: auto;
}

/* Navbar */
.site-header { position: relative; }

.navbar {
  position: sticky;
  top: 0;
  z-index: 999;
  background: color-mix(in oklab, var(--bg) 82%, transparent);
  border-bottom: 1px solid var(--divider);
  backdrop-filter: blur(var(--blur));
}

.navbar__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 12px 0;
}

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

.brand__mark {
  width: 34px;
  height: 34px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-weight: 800;
  letter-spacing: .5px;
  color: #fff;
  background:
    radial-gradient(24px 24px at 35% 30%, rgba(255,255,255,.35), transparent 55%),
    linear-gradient(135deg, var(--accent), color-mix(in oklab, var(--accent-2) 55%, var(--accent)));
  box-shadow: 0 10px 30px rgba(0,0,0,.25);
}

.brand__name {
  font-weight: 800;
  letter-spacing: .2px;
}

.nav {
  display: none;
  gap: 14px;
  align-items: center;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  padding: 8px 10px;
  border-radius: 12px;
}

.nav a:hover { background: var(--surface); color: var(--text); }

.nav-tools {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.progress {
  height: 4px;
  background: color-mix(in oklab, var(--surface2) 55%, transparent);
  overflow: hidden;
}

.progress__bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transform-origin: left;
}

/* Controls */
.ctrl {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  border-radius: 14px;
  padding: 10px 12px;
  font-weight: 650;
  cursor: pointer;
  transition: transform .16s ease, background .16s ease, border-color .16s ease;
}

.ctrl:hover { transform: translateY(-1px); background: var(--surface2); }

.ctrl[aria-expanded="true"] { border-color: color-mix(in oklab, var(--focus) 55%, var(--border)); }

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.theme-toggle__dot {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: var(--accent-2);
  box-shadow: 0 0 0 6px color-mix(in oklab, var(--accent-2) 18%, transparent);
}

/* Language dropdown */
.lang {
  position: relative;
}

.lang__btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.lang__btn .chev {
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: rotate(45deg);
  margin-top: -2px;
}

.lang__menu {
  position: absolute;
  right: 0;
  top: calc(100% + 10px);
  width: min(260px, calc(100vw - 24px));
  padding: 8px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background:
    radial-gradient(160px 120px at 20% 10%, rgba(225,29,72,.16), transparent 70%),
    radial-gradient(170px 120px at 80% 20%, rgba(0,194,255,.14), transparent 70%),
    color-mix(in oklab, var(--bg2) 80%, transparent);
  backdrop-filter: blur(var(--blur));
  box-shadow: var(--shadow);
  display: none;
}

.lang__menu[hidden] { display: none; }

.lang__menu[aria-hidden="false"] { display: block; }

.lang__opt {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  border-radius: 14px;
  padding: 10px 10px;
  background: transparent;
  border: 1px solid transparent;
  color: var(--text);
  cursor: pointer;
}

.lang__opt:hover { background: var(--surface); }

.lang__opt[aria-selected="true"] {
  background: color-mix(in oklab, var(--accent) 12%, var(--surface));
  border-color: color-mix(in oklab, var(--accent) 35%, var(--border));
}

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

/* Hero */
.hero {
  position: relative;
  padding: 26px 0 30px;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, color-mix(in oklab, var(--bg) 55%, transparent), var(--bg)),
    url(/assets/web/bg-hero.jpg);
  background-size: cover;
  background-position: center;
  filter: saturate(1.05) contrast(1.05);
}

.hero__inner {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 22px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 10px;
  color: var(--muted);
  font-weight: 700;
}

.eyebrow::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 0 8px color-mix(in oklab, var(--accent) 16%, transparent);
}

h1 {
  margin: 0;
  font-size: clamp(34px, 4vw, 54px);
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.subhead {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 18px;
  max-width: 56ch;
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 16px;
  border: 1px solid transparent;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: .2px;
  min-height: 44px;
  transition: transform .16s ease, background .16s ease, border-color .16s ease;
}

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

.btn--primary {
  background: linear-gradient(135deg, var(--accent), color-mix(in oklab, var(--accent) 70%, #000));
  color: #fff;
  box-shadow: 0 14px 34px color-mix(in oklab, var(--accent) 22%, transparent);
}

.btn--primary:hover { border-color: color-mix(in oklab, #fff 18%, transparent); }

.btn--ghost {
  background: var(--surface);
  border-color: var(--border);
  color: var(--text);
}

.btn--ghost:hover { background: var(--surface2); }

.hero__bullets {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.hero__bullets li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--muted);
}

.hero__bullets li::before {
  content: "";
  width: 10px;
  height: 10px;
  margin-top: 7px;
  border-radius: 999px;
  background: var(--accent-2);
  box-shadow: 0 0 0 8px color-mix(in oklab, var(--accent-2) 14%, transparent);
}

.hero__media {
  display: grid;
  place-items: center;
}

.pack {
  width: min(520px, 100%);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background:
    radial-gradient(220px 140px at 30% 10%, rgba(0,194,255,.18), transparent 70%),
    radial-gradient(220px 160px at 80% 25%, rgba(225,29,72,.18), transparent 72%),
    color-mix(in oklab, var(--bg2) 78%, transparent);
  backdrop-filter: blur(var(--blur));
  box-shadow: var(--shadow);
  padding: 18px;
}

.pack__img {
  display: block;
  margin-inline: auto;
  width: min(460px, 100%);
  height: auto;
  object-fit: contain;
}

.pack__meta {
  margin-top: 12px;
  display: grid;
  gap: 6px;
  text-align: center;
}

.kicker {
  margin: 0;
  font-weight: 800;
}

.small {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

/* Sections */
.section {
  padding: var(--section-pad-y) 0;
}

.section--alt {
  background:
    linear-gradient(180deg, transparent, color-mix(in oklab, var(--surface) 72%, transparent) 18%, transparent 100%),
    radial-gradient(900px 500px at 10% 10%, rgba(225,29,72,.10), transparent 60%),
    radial-gradient(900px 520px at 90% 20%, rgba(0,194,255,.10), transparent 60%),
    url(/assets/web/bg-gradient.jpg);
  background-size: cover;
  background-position: center;
}

.section h2 {
  margin: 0;
  padding-top: var(--h-pad-top);
  padding-bottom: var(--h-pad-bottom);
  font-size: clamp(22px, 2.3vw, 30px);
  letter-spacing: -0.01em;
}

.section h3 {
  margin: 0;
  padding-top: var(--h-pad-top);
  padding-bottom: var(--h-pad-bottom);
  font-size: 18px;
}

.section p {
  margin: 0 0 12px;
  color: var(--muted);
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 14px;
}

.card {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--surface);
  backdrop-filter: blur(var(--blur));
  box-shadow: var(--shadow-soft);
  padding: 16px;
}

.card strong { color: var(--text); }

.bullets {
  margin: 12px 0 0;
  padding-left: 18px;
  color: var(--muted);
}

.bullets li { margin: 8px 0; }

.bullet-grid {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.bullet-grid li {
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--surface) 70%, transparent);
  padding: 12px 12px;
  color: var(--muted);
}

.bullet-grid li::marker { content: ""; }

.bullet-grid li span {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.bullet-grid li span::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--accent);
}

/* Proof strip */
.proof {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 14px;
}

.proof__media {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--bg2) 78%, transparent);
  padding: 12px;
  box-shadow: var(--shadow-soft);
}

.proof__media img {
  display: block;
  margin-inline: auto;
  border-radius: 14px;
  width: 100%;
  height: auto;
  object-fit: contain;
}

.logo-strip {
  margin-top: 10px;
  opacity: .95;
}

.logo-strip img {
  display: block;
  margin-inline: auto;
  max-width: 420px;
}

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

.price-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background:
    radial-gradient(220px 120px at 25% 12%, rgba(0,194,255,.12), transparent 70%),
    radial-gradient(220px 120px at 90% 22%, rgba(225,29,72,.14), transparent 70%),
    var(--surface);
  box-shadow: var(--shadow-soft);
  padding: 16px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--surface2) 70%, transparent);
  font-weight: 800;
  width: fit-content;
}

.price {
  font-size: 34px;
  letter-spacing: -0.02em;
  margin: 6px 0 0;
}

.per {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.price-pack {
  margin-top: 12px;
  display: block;
  margin-inline: auto;
  width: min(360px, 100%);
  object-fit: contain;
}

.price-card ul {
  margin: 12px 0 0;
  color: var(--muted);
}

.cta-wrap { margin-top: auto; padding-top: 12px; }

/* FAQ */
.accordion {
  margin-top: 12px;
  display: grid;
  gap: 10px;
}

.acc-item {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.acc-btn {
  width: 100%;
  text-align: left;
  padding: 14px 14px;
  background: transparent;
  color: var(--text);
  border: 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-weight: 800;
}

.acc-btn span { color: var(--text); }

.acc-btn .plus {
  width: 18px;
  height: 18px;
  position: relative;
  flex: 0 0 auto;
}

.acc-btn .plus::before,
.acc-btn .plus::after {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  background: var(--muted);
  border-radius: 999px;
}

.acc-btn .plus::before { width: 18px; height: 2px; }
.acc-btn .plus::after { width: 2px; height: 18px; }

.acc-item[data-open="true"] .plus::after { height: 0; }

.acc-panel {
  padding: 0 14px 14px;
  color: var(--muted);
}

/* CTA slab */
.cta-slab {
  margin-top: 18px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background:
    radial-gradient(420px 200px at 20% 20%, rgba(225,29,72,.18), transparent 70%),
    radial-gradient(420px 200px at 80% 30%, rgba(0,194,255,.16), transparent 70%),
    color-mix(in oklab, var(--bg2) 80%, transparent);
  box-shadow: var(--shadow);
  padding: 16px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
}

.cta-slab p { margin: 0; }

/* Footer */
footer {
  padding: 26px 0 34px;
  border-top: 1px solid var(--divider);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: start;
}

.footer-grid a {
  color: var(--text);
}

.footer-note {
  margin-top: 10px;
  color: var(--muted);
  font-size: 14px;
}

/* Scroll reveal */
.reveal { opacity: 0; transform: translateY(14px); }
.reveal.in { opacity: 1; transform: translateY(0); transition: opacity .55s ease, transform .55s ease; }

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
  .reveal.in { transition: none; }
  .btn, .ctrl { transition: none; }
}

/* Responsive */
@media (min-width: 900px) {
  .nav { display: inline-flex; }
  .navbar__inner { grid-template-columns: auto 1fr auto; }
}

@media (max-width: 899px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__copy, .hero__media { text-align: center; }
  .hero__ctas { justify-content: center; }
  .hero__bullets { align-items: start; }
  .hero__bullets { text-align: left; max-width: 520px; margin-inline: auto; }

  .grid-2 { grid-template-columns: 1fr; }
  .proof { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .bullet-grid { grid-template-columns: 1fr; }
  .cta-slab { grid-template-columns: 1fr; text-align: center; }
  .cta-slab .btn { width: min(100%, 360px); margin-inline: auto; }

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