:root {
  color-scheme: light dark;
  --page: #f9f9fe;
  --surface: #ffffff;
  --surface-soft: #f2f3f9;
  --ink: #25263a;
  --muted: #5b5f67;
  --midnight: #17172f;
  --accent: #5e5a88;
  --accent-soft: #c7c1f6;
  --line: rgba(37, 38, 58, 0.14);
  --error: #8a4e4f;
  --shadow: 0 28px 70px rgba(47, 42, 83, 0.18);
  --font-headline: "Plus Jakarta Sans", "Be Vietnam Pro", system-ui, sans-serif;
  --font-body: "Be Vietnam Pro", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  min-width: 320px;
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

button,
input { font: inherit; }

a { color: inherit; }

.skip-link {
  position: fixed;
  top: 0;
  left: 16px;
  z-index: 10;
  transform: translateY(-150%);
  border-radius: 999px;
  background: var(--midnight);
  color: #ffffff;
  padding: 10px 16px;
  font-weight: 700;
}

.skip-link:focus { transform: translateY(10px); }

.site-header {
  position: absolute;
  top: 0;
  left: 50%;
  z-index: 2;
  width: min(1180px, calc(100% - 40px));
  height: 76px;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-family: var(--font-headline);
  font-size: 19px;
  font-weight: 800;
  text-decoration: none;
}

.brand img { width: 42px; height: 42px; object-fit: contain; }

.lead-hero {
  position: relative;
  min-height: 100dvh;
  overflow: hidden;
  padding: 92px 0 60px;
  background:
    radial-gradient(circle at 82% 18%, rgba(199, 193, 246, 0.34), transparent 34%),
    linear-gradient(160deg, var(--page) 0%, var(--surface-soft) 100%);
}

.lead-hero__glow {
  position: absolute;
  right: -12vw;
  bottom: -26vw;
  width: 54vw;
  height: 54vw;
  min-width: 520px;
  min-height: 520px;
  border: 1px solid rgba(94, 90, 136, 0.18);
  border-radius: 50%;
  box-shadow: inset 0 0 0 70px rgba(199, 193, 246, 0.08);
  pointer-events: none;
}

.lead-hero__inner {
  position: relative;
  width: min(1180px, calc(100% - 40px));
  min-height: calc(100dvh - 152px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr);
  align-items: center;
  gap: clamp(44px, 7vw, 96px);
}

.lead-copy { max-width: 580px; }

.eyebrow {
  margin: 0 0 16px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

h1,
h2,
strong,
button { font-family: var(--font-headline); }

h1 {
  max-width: 660px;
  margin: 0;
  font-size: clamp(42px, 4.5vw, 60px);
  font-weight: 800;
  letter-spacing: -0.055em;
  line-height: 1.02;
}

.lead-copy__intro {
  max-width: 540px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.65;
}

.lead-form,
.lead-success {
  max-width: 540px;
  margin-top: 30px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  padding: 22px;
  box-shadow: 0 16px 42px rgba(47, 42, 83, 0.1);
}

.field { display: grid; gap: 7px; }

.field label {
  font-family: var(--font-headline);
  font-size: 14px;
  font-weight: 700;
}

.field input {
  width: 100%;
  min-height: 52px;
  border: 1px solid rgba(37, 38, 58, 0.32);
  border-radius: 12px;
  background: var(--surface);
  color: var(--ink);
  padding: 0 15px;
}

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

.consent {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 10px;
  align-items: start;
  margin: 16px 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
}

.consent input {
  width: 18px;
  height: 18px;
  margin: 1px 0 0;
  accent-color: var(--accent);
}

.consent a { color: var(--accent); font-weight: 700; }

.data-note {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.55;
}

.data-note a { color: var(--accent); font-weight: 700; }

.lead-form button,
.lead-success a {
  display: inline-flex;
  width: 100%;
  min-height: 52px;
  border: 0;
  border-radius: 12px;
  align-items: center;
  justify-content: center;
  background: var(--midnight);
  color: #ffffff;
  font-weight: 800;
  text-decoration: none;
  transition: transform 160ms ease, opacity 160ms ease;
}

.lead-form button:hover,
.lead-success a:hover { transform: translateY(-1px); }

.lead-form button:active,
.lead-success a:active { transform: translateY(1px); }

.lead-form button:disabled { cursor: wait; opacity: 0.65; }

.lead-success .lead-success__secondary {
  margin-top: 10px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
}

.form-status {
  min-height: 20px;
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.form-status.is-error { color: var(--error); font-weight: 700; }

.lead-success h2 { margin: 0 0 8px; font-size: 24px; }
.lead-success p { margin: 0 0 18px; color: var(--muted); }

.tracker-preview {
  position: relative;
  width: min(100%, 490px);
  margin: 28px auto 0;
  padding: 0 0 36px 58px;
}

.tracker-preview img {
  display: block;
  width: 72%;
  height: auto;
  border-radius: 16px;
  box-shadow: var(--shadow);
}

.tracker-preview__cover { position: relative; z-index: 1; }

.tracker-preview .tracker-preview__page {
  position: absolute;
  top: 8%;
  right: 0;
  z-index: 0;
  transform: rotate(5deg);
}

.tracker-preview figcaption {
  position: absolute;
  bottom: 0;
  left: 58px;
  color: var(--muted);
  font-size: 12px;
}

.inside {
  width: min(1060px, calc(100% - 40px));
  margin: 0 auto;
  padding: 96px 0 112px;
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(56px, 9vw, 120px);
}

.inside h2 {
  margin: 0;
  font-size: clamp(32px, 4vw, 50px);
  letter-spacing: -0.04em;
  line-height: 1.08;
}

.inside__copy p { margin: 20px 0 0; color: var(--muted); }

.inside__details { display: grid; }

.inside__details div {
  display: grid;
  gap: 5px;
  padding: 19px 0;
  border-bottom: 1px solid var(--line);
}

.inside__details div:first-child { padding-top: 0; }
.inside__details strong { font-size: 17px; }
.inside__details span { color: var(--muted); font-size: 14px; }

.site-footer {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  border-top: 1px solid var(--line);
  padding: 24px 0 36px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  color: var(--muted);
  font-size: 12px;
}

.site-footer nav { display: flex; gap: 20px; }
.site-footer a { font-weight: 700; text-decoration: none; }

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

[hidden] { display: none !important; }

@media (max-width: 820px) {
  .site-header { width: min(100% - 28px, 1180px); }
  .lead-hero { padding-top: 88px; }
  .lead-hero__inner {
    width: min(100% - 28px, 640px);
    grid-template-columns: 1fr;
    gap: 36px;
    padding-top: 34px;
  }
  .lead-copy { max-width: none; }
  h1 { font-size: clamp(40px, 12vw, 58px); }
  .tracker-preview { width: min(92%, 440px); margin-top: 0; }
  .inside {
    width: min(100% - 40px, 640px);
    grid-template-columns: 1fr;
    gap: 48px;
    padding: 76px 0 88px;
  }
}

@media (max-width: 520px) {
  .lead-form,
  .lead-success { padding: 18px; }
  .tracker-preview { padding-left: 34px; }
  .tracker-preview figcaption { left: 34px; }
  .site-footer { align-items: flex-start; flex-direction: column; }
}

@media (prefers-color-scheme: dark) {
  :root {
    --page: #13111e;
    --surface: #1b1928;
    --surface-soft: #1f1d2e;
    --ink: #e8e3f4;
    --muted: #aaa4c2;
    --midnight: #5e5a88;
    --accent: #c7c1f6;
    --accent-soft: #8f88cf;
    --line: rgba(199, 193, 246, 0.2);
    --error: #f7aaaa;
    --shadow: 0 28px 70px rgba(0, 0, 0, 0.35);
  }
  .lead-hero {
    background:
      radial-gradient(circle at 82% 18%, rgba(94, 90, 136, 0.32), transparent 34%),
      linear-gradient(160deg, var(--page) 0%, var(--surface-soft) 100%);
  }
  .lead-form,
  .lead-success { background: rgba(27, 25, 40, 0.94); }
  .field input {
    border-color: var(--accent-soft);
    background: color-mix(in srgb, var(--surface) 92%, var(--accent));
  }
  .site-header .lang-selector__button {
    border-color: var(--line);
    background: rgba(199, 193, 246, 0.08);
    color: var(--ink);
  }
  .site-header .lang-selector__button:hover,
  .site-header .lang-selector.is-open .lang-selector__button {
    border-color: var(--accent);
    background: rgba(199, 193, 246, 0.14);
    color: var(--ink);
  }
  .site-header .lang-selector__menu {
    border-color: var(--line);
    background: rgba(27, 25, 40, 0.98);
  }
  .site-header .lang-selector__menu li { color: var(--ink); }
  .site-header .lang-selector__menu li:hover,
  .site-header .lang-selector__menu li.is-active {
    background: rgba(199, 193, 246, 0.12);
    color: var(--accent);
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .lead-form button,
  .lead-success a { transition: none; }
}