:root {
  color-scheme: dark;
  --bg: #07111f;
  --surface: #0b1627;
  --card: #101c2e;
  --card-strong: #12243a;
  --border: #24344c;
  --border-strong: #36516f;
  --text: #f4f7fb;
  --muted: #a6b2c5;
  --faint: #718198;
  --blue: #3ba7ff;
  --blue-hover: #62b8ff;
  --cyan: #5ed4d1;
  --success: #4fd1a5;
  --danger: #ff7182;
  --warning: #f5b85a;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
  --radius-lg: 22px;
  --radius-md: 14px;
  --radius-sm: 10px;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { min-width: 320px; background: var(--bg); }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  color: var(--text);
  background:
    radial-gradient(circle at 82% 8%, rgba(59, 167, 255, 0.09), transparent 28rem),
    var(--bg);
  font-size: 16px;
  line-height: 1.55;
}

main { flex: 1; }

a { color: var(--blue-hover); text-underline-offset: 3px; }
a:hover { color: var(--cyan); }

button, input { font: inherit; }

.shell { width: min(1120px, calc(100% - 40px)); margin-inline: auto; }

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 14px;
  transform: translateY(-180%);
  color: var(--bg);
  background: var(--cyan);
  border-radius: 8px;
  font-weight: 800;
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  border-bottom: 1px solid rgba(54, 81, 111, 0.65);
  background: rgba(7, 17, 31, 0.94);
}

.header-inner {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  text-decoration: none;
}
.brand img { border-radius: 12px; }
.brand span { display: grid; }
.brand strong { font-size: 0.98rem; letter-spacing: 0.01em; }
.brand small { color: var(--faint); font-size: 0.72rem; }

.site-nav { display: flex; align-items: center; gap: 20px; }
.site-nav > a:not(.button) { color: var(--muted); text-decoration: none; font-weight: 700; }

.button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 12px;
  cursor: pointer;
  font-weight: 800;
  text-decoration: none;
}
.button:focus-visible, input:focus-visible, a:focus-visible {
  outline: 3px solid rgba(94, 212, 209, 0.38);
  outline-offset: 3px;
}
.button:disabled { cursor: wait; opacity: 0.62; }
.button-primary {
  color: #06111d;
  background: linear-gradient(135deg, #55b8ff, #258fea);
  border-color: #68c2ff;
}
.button-primary:hover { color: #06111d; background: var(--blue-hover); }
.button-secondary {
  color: var(--text);
  background: var(--card);
  border-color: var(--border-strong);
}
.button-secondary:hover { color: var(--blue-hover); background: var(--card-strong); border-color: var(--blue); }
.button-small { min-height: 40px; padding-inline: 16px; border-radius: 10px; font-size: 0.9rem; }
.button-full { width: 100%; }
.button-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }

.hero {
  min-height: calc(100vh - 158px);
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  align-items: center;
  gap: 64px;
  padding-block: 72px;
}
.hero-copy { max-width: 650px; }
.eyebrow { color: var(--blue); font-size: 0.78rem; font-weight: 850; letter-spacing: 0.16em; }
h1, h2, p { margin-top: 0; }
h1 { margin-bottom: 18px; font-size: clamp(2.25rem, 6vw, 4.6rem); line-height: 1.02; letter-spacing: -0.04em; }
h2 { line-height: 1.15; letter-spacing: -0.02em; }
.lead { max-width: 620px; color: var(--muted); font-size: clamp(1.05rem, 2.2vw, 1.34rem); }

.hero-panel {
  padding: 30px;
  background: linear-gradient(145deg, #0d1c30, #0b2032);
  border: 1px solid #1d405e;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}
.hero-panel h2 { margin: 18px 0 24px; font-size: 1.65rem; }
.signal { display: inline-flex; align-items: center; gap: 9px; color: var(--cyan); font-size: 0.82rem; font-weight: 800; }
.signal span { width: 9px; height: 9px; border-radius: 50%; background: var(--success); box-shadow: 0 0 0 5px rgba(79, 209, 165, 0.11); }
.feature-list { display: grid; gap: 12px; margin: 0; padding: 0; list-style: none; }
.feature-list li { display: grid; gap: 2px; padding: 16px; background: rgba(7, 17, 31, 0.55); border: 1px solid var(--border); border-radius: 12px; }
.feature-list span { color: var(--faint); font-size: 0.9rem; }

.card { background: rgba(16, 28, 46, 0.94); border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow); }
.auth-layout { min-height: calc(100vh - 158px); display: grid; grid-template-columns: 0.9fr minmax(380px, 560px); align-items: center; gap: 72px; padding-block: 56px; }
.auth-intro { max-width: 500px; }
.auth-intro h1, .centered-page h1 { margin-top: 12px; font-size: clamp(2rem, 4vw, 3.4rem); }
.auth-intro p, .centered-page p, .dashboard-header p, .metric-card p, .download-card p { color: var(--muted); }
.form-card { padding: clamp(24px, 5vw, 40px); }
.narrow-card { width: min(100%, 560px); }
.form-card h1 { margin: 10px 0 12px; font-size: clamp(1.9rem, 4vw, 2.6rem); }
.form-grid { display: grid; gap: 16px; }
.two-columns { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.field { display: grid; gap: 8px; margin-bottom: 18px; }
.field label, .label-row { font-size: 0.9rem; font-weight: 800; }
.label-row { display: flex; justify-content: space-between; gap: 16px; }
.label-row a { font-size: 0.82rem; font-weight: 700; }
.field small { color: var(--faint); }
input {
  width: 100%;
  min-height: 48px;
  padding: 10px 13px;
  color: var(--text);
  background: #081526;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
}
input:hover { border-color: #456483; }
input[aria-invalid="true"] { border-color: var(--danger); }
.password-field { position: relative; }
.password-field input { padding-right: 82px; }
.password-toggle { position: absolute; top: 5px; right: 6px; min-height: 38px; padding: 0 10px; color: var(--blue-hover); background: transparent; border: 0; border-radius: 8px; cursor: pointer; font-size: 0.82rem; font-weight: 800; }
.form-status { min-height: 24px; margin: 2px 0 14px; color: var(--muted); font-size: 0.91rem; }
.form-status[data-kind="error"] { color: var(--danger); }
.form-status[data-kind="success"] { color: var(--success); }
.form-footnote { margin: 22px 0 0; color: var(--muted); text-align: center; font-size: 0.9rem; }
.inline-panel { margin-top: 18px; padding: 16px; background: #10263a; border: 1px solid #2c6874; border-radius: 12px; }
.inline-panel p { margin-bottom: 12px; color: var(--muted); }

.centered-page { min-height: calc(100vh - 158px); display: grid; place-items: center; padding-block: 56px; }
.message-card { width: min(100%, 620px); padding: clamp(28px, 6vw, 48px); text-align: center; }
.message-icon { width: 64px; height: 64px; display: grid; place-items: center; margin: 0 auto 22px; color: var(--bg); background: var(--cyan); border-radius: 50%; font-size: 1.5rem; font-weight: 900; }
.compact-form { max-width: 440px; margin: 28px auto 20px; text-align: left; }
.text-link { display: inline-block; margin-top: 8px; font-weight: 800; }

.dashboard { min-height: calc(100vh - 158px); padding-block: 54px 72px; }
.dashboard-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 24px; margin-bottom: 30px; }
.dashboard-header h1 { margin: 0 0 8px; font-size: clamp(2rem, 4vw, 3.2rem); }
.dashboard-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.dashboard-grid .card { padding: 28px; box-shadow: none; }
.metric-card { min-height: 245px; background: linear-gradient(145deg, #10243a, #0d2735); border-color: #2c6874; }
.card-label { color: var(--muted); font-size: 0.78rem; font-weight: 850; letter-spacing: 0.1em; text-transform: uppercase; }
.balance-card { display: flex; flex-direction: column; justify-content: space-between; }
.balance-value { display: flex; align-items: baseline; gap: 10px; color: var(--cyan); }
.balance-value strong { font-size: clamp(4rem, 10vw, 6rem); line-height: 1; }
.balance-value span { font-weight: 800; }
.trial-card, .onboarding-credit { display: grid; align-content: start; gap: 12px; }
.trial-value { display: flex; align-items: baseline; gap: 10px; margin-top: 2px; color: var(--cyan); }
.trial-value strong { font-size: clamp(3.8rem, 9vw, 5.5rem); line-height: 1; }
.trial-value span { font-weight: 800; }
.trial-card .trial-message { margin: 2px 0 0; color: var(--text); font-size: 1.05rem; font-weight: 750; }
.trial-card .trial-detail { margin: 0; }
.trial-card .balance-note { margin: 6px 0 0; padding-top: 12px; color: var(--faint); border-top: 1px solid rgba(54, 81, 111, 0.65); font-size: 0.82rem; }
.balance-note strong { color: var(--muted); }
.card-heading { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.status-badge { padding: 6px 10px; color: var(--muted); background: #0b2237; border: 1px solid #287db2; border-radius: 999px; font-size: 0.76rem; font-weight: 800; }
.status-badge.is-success { color: var(--success); border-color: #2c7b69; }
.account-details { display: grid; gap: 0; margin: 24px 0 0; }
.account-details div { padding: 15px 0; border-top: 1px solid var(--border); }
.account-details dt { color: var(--faint); font-size: 0.8rem; }
.account-details dd { margin: 4px 0 0; overflow-wrap: anywhere; font-weight: 750; }
.purchase-card h2, .payments-card h2, .download-card h2 { margin: 10px 0 8px; font-size: 1.45rem; }
.purchase-card .button { margin-top: 8px; }
.card-note { margin: 12px 0 0; color: var(--faint); font-size: 0.84rem; }
.payments-list { display: grid; gap: 10px; margin-top: 18px; }
.payment-item { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 13px 0; border-top: 1px solid var(--border); }
.payment-item span { color: var(--faint); font-size: 0.82rem; text-align: right; }
.download-card { grid-column: 1 / -1; }
.compact-card { background: rgba(11, 22, 39, 0.86); }
.empty-state { margin-bottom: 0; padding: 18px; background: var(--surface); border: 1px dashed var(--border-strong); border-radius: 12px; }

.onboarding { min-height: calc(100vh - 158px); display: grid; place-items: center; padding-block: 56px; }
.onboarding-card { width: min(100%, 760px); padding: clamp(28px, 6vw, 52px); text-align: center; }
.onboarding-card h1 { margin: 12px 0 14px; font-size: clamp(2.2rem, 5vw, 3.8rem); }
.onboarding-card > .lead { margin-inline: auto; }
.onboarding-credit { margin: 30px 0 22px; padding: 26px; text-align: left; background: linear-gradient(145deg, #10243a, #0d2735); border: 1px solid #2c6874; border-radius: var(--radius-md); }
.onboarding-credit p { margin-bottom: 0; color: var(--muted); }
.onboarding-credit .trial-message { color: var(--text); font-size: 1.05rem; font-weight: 750; }
.privacy-note { margin: 0 auto 24px; max-width: 620px; color: var(--muted); }
.onboarding-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.onboarding-actions .empty-state { width: 100%; }
.onboarding-deep-link { margin-top: 18px; font-size: 0.9rem; }

.site-footer { border-top: 1px solid rgba(54, 81, 111, 0.45); }
.footer-inner { min-height: 80px; display: flex; justify-content: space-between; align-items: center; gap: 20px; color: var(--faint); font-size: 0.8rem; }

@media (max-width: 820px) {
  .hero, .auth-layout { grid-template-columns: 1fr; gap: 36px; min-height: auto; }
  .hero { padding-block: 52px; }
  .auth-layout { padding-block: 40px 56px; }
  .auth-intro { max-width: 650px; }
  .dashboard-grid { grid-template-columns: 1fr; }
  .download-card { grid-column: auto; }
}

@media (max-width: 560px) {
  .shell { width: min(100% - 28px, 1120px); }
  .header-inner { min-height: 70px; }
  .brand small, .site-nav > a:not(.button) { display: none; }
  .brand img { width: 38px; height: 38px; }
  .brand strong { font-size: 0.88rem; }
  .two-columns { grid-template-columns: 1fr; gap: 0; }
  .dashboard-header { align-items: stretch; flex-direction: column; }
  .dashboard-header .button { width: 100%; }
  .footer-inner { padding-block: 22px; align-items: flex-start; flex-direction: column; justify-content: center; gap: 4px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}