/* ============================================================
   Кредитный Expert — мини-воронка
   Палитра: тёмно-синий navy + серебро (из логотипа)
   Mobile-first, чистый доверительный стиль
   ============================================================ */

:root {
  /* Type scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.0625rem);
  --text-lg: clamp(1.125rem, 1rem + 0.5vw, 1.375rem);
  --text-xl: clamp(1.375rem, 1.1rem + 1.1vw, 1.875rem);
  --text-2xl: clamp(1.75rem, 1.3rem + 2vw, 2.5rem);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;

  /* Brand palette — navy + silver */
  --navy-950: #0a1020;
  --navy-900: #0e1830;
  --navy-800: #14213f;
  --navy-700: #1c2d52;
  --navy-600: #284070;
  --silver-100: #f4f6fa;
  --silver-200: #e4e8f0;
  --silver-300: #cdd4e0;
  --silver-400: #aab3c4;
  --silver-500: #8893a8;

  --color-bg: #0c1326;
  --color-surface: #111c38;
  --color-surface-2: #16244a;
  --color-border: #233459;
  --color-border-soft: #1b2a4d;
  --color-text: #eef2f8;
  --color-text-muted: #a6b2c8;
  --color-text-faint: #6f7d97;

  --color-primary: #4f7fd6;
  --color-primary-hover: #6a95e6;
  --color-accent: #c8d2e4; /* silver */

  --color-success: #3fae6f;
  --color-success-bg: #102a1d;
  --color-error: #e2576b;
  --color-whatsapp: #25d366;
  --color-whatsapp-hover: #1fb857;

  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.45);

  --transition: 200ms cubic-bezier(0.16, 1, 0.3, 1);

  --content: 480px;

  --font-body: 'Manrope', system-ui, -apple-system, 'Segoe UI', sans-serif;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text);
  background:
    radial-gradient(1200px 600px at 50% -10%, #18254a 0%, transparent 60%),
    linear-gradient(180deg, #0c1326 0%, #090e1c 100%);
  background-attachment: fixed;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-5) var(--space-4) var(--space-12);
}

img, svg { display: block; max-width: 100%; height: auto; }
button, input, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: none; }

h1, h2, h3 { line-height: 1.2; text-wrap: balance; font-weight: 800; letter-spacing: -0.01em; }
p { text-wrap: pretty; }

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ---------- Layout ---------- */
.page {
  width: 100%;
  max-width: var(--content);
  margin-inline: auto;
}

.card {
  background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-surface-2) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8) var(--space-6) var(--space-6);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  opacity: 0.6;
}

/* ---------- Brand header ---------- */
.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  justify-content: center;
  margin-bottom: var(--space-6);
}
.brand__mark { width: 46px; height: 46px; flex: none; }
.brand__text { display: flex; flex-direction: column; line-height: 1.05; }
.brand__kicker {
  font-size: 0.62rem;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--silver-400);
  font-weight: 600;
}
.brand__name {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  background: linear-gradient(180deg, #f4f6fa, #aab3c4);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- Typography blocks ---------- */
.headline {
  font-size: var(--text-2xl);
  text-align: center;
  margin-bottom: var(--space-3);
}
.subhead {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  text-align: center;
  margin-bottom: var(--space-8);
  max-width: 38ch;
  margin-inline: auto;
}

/* trust badges */
.trust {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
  justify-content: center;
  margin-top: var(--space-6);
}
.trust__item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
.trust__item svg { width: 15px; height: 15px; color: var(--silver-400); }

/* ---------- Form ---------- */
.field { margin-bottom: var(--space-4); }
.field__label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--color-text);
}
.input {
  width: 100%;
  padding: var(--space-4);
  font-size: 1.0625rem;
  background: var(--navy-950);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.input::placeholder { color: var(--color-text-faint); }
.input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(79, 127, 214, 0.2);
}
.input[aria-invalid="true"] {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(226, 87, 107, 0.18);
}
.field__error {
  display: none;
  font-size: var(--text-xs);
  color: var(--color-error);
  margin-top: var(--space-2);
}
.field__error.show { display: block; }

/* ---------- Buttons / CTA ---------- */
.btn {
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  width: 100%;
  padding: var(--space-4) var(--space-5);
  font-size: 1.0625rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  transition: transform var(--transition), background var(--transition), box-shadow var(--transition), opacity var(--transition);
  min-height: 56px;
}
.btn--primary {
  background: linear-gradient(180deg, var(--color-primary), #3a68bf);
  color: #fff;
  box-shadow: 0 8px 20px rgba(58, 104, 191, 0.35);
}
.btn--primary:hover { background: linear-gradient(180deg, var(--color-primary-hover), #4470c9); transform: translateY(-1px); }
.btn--primary:active { transform: translateY(0); }
.btn--primary:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }
.btn--whatsapp {
  background: linear-gradient(180deg, var(--color-whatsapp), var(--color-whatsapp-hover));
  color: #06351a;
  box-shadow: 0 8px 20px rgba(37, 211, 102, 0.3);
}
.btn--whatsapp:hover { transform: translateY(-1px); }
.btn__spinner {
  width: 20px; height: 20px;
  border: 2.5px solid rgba(255,255,255,0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: none;
}
.btn.is-loading .btn__spinner { display: block; }
.btn.is-loading .btn__label { opacity: 0.7; }
@keyframes spin { to { transform: rotate(360deg); } }

.form-note {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-align: center;
  margin-top: var(--space-4);
  line-height: 1.5;
}

/* form status messages */
.status {
  display: none;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  margin-bottom: var(--space-4);
}
.status.show { display: block; }
.status--error { background: rgba(226, 87, 107, 0.12); border: 1px solid rgba(226, 87, 107, 0.4); color: #f3a2ae; }

/* ---------- Quiz ---------- */
.progress {
  margin-bottom: var(--space-6);
}
.progress__bar {
  height: 8px;
  background: var(--navy-950);
  border-radius: var(--radius-full);
  overflow: hidden;
  border: 1px solid var(--color-border-soft);
}
.progress__fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: var(--radius-full);
  transition: width 350ms cubic-bezier(0.16, 1, 0.3, 1);
}
.progress__label {
  display: flex;
  justify-content: space-between;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-2);
  font-weight: 600;
}

.step { display: none; }
.step.active { display: block; animation: fadeIn 350ms ease both; }
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.question {
  font-size: var(--text-xl);
  margin-bottom: var(--space-6);
  text-align: center;
}

.options { display: flex; flex-direction: column; gap: var(--space-3); }
.option {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  text-align: left;
  padding: var(--space-5);
  background: var(--navy-950);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-text);
  transition: all var(--transition);
}
.option:hover {
  border-color: var(--color-primary);
  background: var(--navy-900);
  transform: translateY(-1px);
}
.option__dot {
  width: 22px; height: 22px;
  border-radius: 50%;
  border: 2px solid var(--silver-500);
  flex: none;
  position: relative;
  transition: border-color var(--transition);
}
.option:hover .option__dot { border-color: var(--color-primary); }
.option__arrow { margin-left: auto; color: var(--silver-500); transition: transform var(--transition), color var(--transition); }
.option:hover .option__arrow { transform: translateX(3px); color: var(--color-accent); }

.quiz-back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-weight: 600;
}
.quiz-back:hover { color: var(--color-text); }

/* disqualify message */
.disqualify {
  text-align: center;
  padding: var(--space-4) 0;
}
.disqualify__icon {
  width: 64px; height: 64px;
  margin: 0 auto var(--space-5);
  color: var(--silver-400);
}
.disqualify__text {
  font-size: var(--text-lg);
  margin-bottom: var(--space-8);
  color: var(--color-text);
  line-height: 1.4;
}

/* ---------- Thank you ---------- */
.thanks { text-align: center; }
.thanks__icon {
  width: 88px; height: 88px;
  margin: 0 auto var(--space-6);
}
.thanks__title {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-4);
}
.thanks__msg {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  line-height: 1.5;
  max-width: 34ch;
  margin: 0 auto var(--space-8);
}
.thanks__meta {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-6);
}

/* small footer */
.footer {
  text-align: center;
  margin-top: var(--space-8);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
.footer a { color: var(--silver-400); }

/* hidden util */
[hidden] { display: none !important; }