/* Атрибут hidden должен побеждать любой display у .btn/.field — иначе на первом
   шаге торчат «Назад» и «Отправить анкету», а условные блоки не скрываются. */
[hidden] {
  display: none !important;
}

:root {
  --bg: #07090f;
  --bg-elev: #0e1320;
  --bg-card: rgba(18, 24, 40, 0.72);
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.14);
  --text: #f3f5fb;
  --muted: #9aa3b8;
  --muted-2: #6d7690;
  --accent: #7c5cff;
  --accent-2: #2ee6a6;
  --accent-soft: rgba(124, 92, 255, 0.16);
  --danger: #ff6b7a;
  --radius: 18px;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
  --mono: ui-monospace, "Cascadia Code", "SF Mono", Menlo, monospace;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(124, 92, 255, 0.22), transparent 55%),
    radial-gradient(900px 500px at 90% 0%, rgba(46, 230, 166, 0.12), transparent 50%),
    radial-gradient(800px 400px at 50% 100%, rgba(124, 92, 255, 0.08), transparent 55%),
    var(--bg);
  min-height: 100vh;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
}

.container {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

/* NAV */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  background: rgba(7, 9, 15, 0.72);
  border-bottom: 1px solid var(--line);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.logo-mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: grid;
  place-items: center;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.1), 0 8px 24px rgba(124, 92, 255, 0.35);
}

.logo-mark svg {
  width: 18px;
  height: 18px;
}

.logo span {
  color: var(--muted);
  font-weight: 500;
  font-size: 0.92rem;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.65rem 1rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), #5b8cff);
  color: white;
  font-weight: 600;
  font-size: 0.92rem;
  border: 0;
  cursor: pointer;
  box-shadow: 0 10px 30px rgba(124, 92, 255, 0.35);
  transition: transform 0.15s ease, filter 0.15s ease;
}

.nav-cta:hover {
  transform: translateY(-1px);
  filter: brightness(1.05);
}

/* HERO */
.hero {
  padding: 4.5rem 0 2.5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2.5rem;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: var(--accent-soft);
  border: 1px solid rgba(124, 92, 255, 0.28);
  color: #cbbfff;
  font-size: 0.84rem;
  font-weight: 600;
  margin-bottom: 1.1rem;
}

.eyebrow i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-2);
  box-shadow: 0 0 0 4px rgba(46, 230, 166, 0.15);
}

h1 {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 4.4vw, 3.35rem);
  line-height: 1.08;
  letter-spacing: -0.035em;
  font-weight: 760;
}

h1 em {
  font-style: normal;
  background: linear-gradient(120deg, #fff 10%, #b9a8ff 45%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lead {
  margin: 0 0 1.6rem;
  color: var(--muted);
  font-size: 1.08rem;
  max-width: 36rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.6rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  border: 0;
  cursor: pointer;
  border-radius: 14px;
  padding: 0.95rem 1.25rem;
  font-weight: 650;
  font-size: 0.98rem;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #5b8cff);
  color: #fff;
  box-shadow: 0 14px 40px rgba(124, 92, 255, 0.35);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line-strong);
}

.btn-ghost:hover {
  border-color: rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.03);
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  color: var(--muted-2);
  font-size: 0.9rem;
}

.trust-row strong {
  color: var(--muted);
  font-weight: 650;
}

.hero-card {
  position: relative;
  border-radius: 24px;
  padding: 1.35rem;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero-card::before {
  content: "";
  position: absolute;
  inset: -40% auto auto -20%;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(124, 92, 255, 0.35), transparent 70%);
  pointer-events: none;
}

.stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.stat {
  background: rgba(7, 9, 15, 0.55);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1rem;
}

.stat b {
  display: block;
  font-size: 1.45rem;
  letter-spacing: -0.03em;
  margin-bottom: 0.2rem;
}

.stat span {
  color: var(--muted);
  font-size: 0.86rem;
}

.pill-list {
  margin-top: 0.9rem;
  display: grid;
  gap: 0.55rem;
}

.pill {
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
  padding: 0.75rem 0.85rem;
  border-radius: 14px;
  background: rgba(7, 9, 15, 0.45);
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

.pill strong {
  color: var(--text);
  font-weight: 650;
}

.dot {
  width: 8px;
  height: 8px;
  margin-top: 0.4rem;
  border-radius: 50%;
  background: var(--accent-2);
  flex: 0 0 auto;
}

/* SECTIONS */
section {
  padding: 2.5rem 0;
}

.section-head {
  max-width: 40rem;
  margin-bottom: 1.5rem;
}

.section-head h2 {
  margin: 0 0 0.55rem;
  font-size: clamp(1.45rem, 2.6vw, 2rem);
  letter-spacing: -0.03em;
}

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

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem;
  backdrop-filter: blur(10px);
}

.card .n {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: var(--accent-soft);
  color: #d5cbff;
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 0.9rem;
}

.card h3 {
  margin: 0 0 0.45rem;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
}

/* FORM SHELL */
.form-section {
  padding-bottom: 4rem;
}

.form-shell {
  border-radius: 28px;
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.015)),
    rgba(10, 14, 24, 0.85);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.form-top {
  padding: 1.25rem 1.35rem;
  border-bottom: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.25rem;
  align-items: center;
  justify-content: space-between;
}

.form-top h2 {
  margin: 0;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.form-top p {
  margin: 0.2rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.progress-wrap {
  min-width: min(280px, 100%);
}

.progress-meta {
  display: flex;
  justify-content: space-between;
  color: var(--muted-2);
  font-size: 0.82rem;
  margin-bottom: 0.4rem;
}

.progress-bar {
  height: 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  overflow: hidden;
}

.progress-bar > i {
  display: block;
  height: 100%;
  width: 0%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width 0.25s ease;
}

.form-body {
  padding: 1.4rem 1.35rem 1.5rem;
}

.step {
  display: none;
  animation: fade 0.22s ease;
}

.step.active {
  display: block;
}

@keyframes fade {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.step-title {
  margin: 0 0 0.35rem;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.step-sub {
  margin: 0 0 1.2rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.field {
  margin-bottom: 1.05rem;
}

.field label {
  display: block;
  margin-bottom: 0.45rem;
  font-weight: 600;
  font-size: 0.94rem;
}

.field .hint {
  display: block;
  margin-top: 0.35rem;
  color: var(--muted-2);
  font-size: 0.82rem;
}

.req {
  color: #c4b5ff;
  font-weight: 500;
}

.field input[type="text"],
.field input[type="url"],
.field input[type="email"],
.field select,
.field textarea {
  width: 100%;
  border-radius: 14px;
  border: 1px solid var(--line-strong);
  background: rgba(7, 9, 15, 0.65);
  color: var(--text);
  padding: 0.9rem 1rem;
  font: inherit;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.field textarea {
  min-height: 140px;
  resize: vertical;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: rgba(124, 92, 255, 0.7);
  box-shadow: 0 0 0 4px rgba(124, 92, 255, 0.15);
}

.field select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, #9aa3b8 50%),
    linear-gradient(135deg, #9aa3b8 50%, transparent 50%);
  background-position: calc(100% - 18px) calc(50% - 3px), calc(100% - 12px) calc(50% - 3px);
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
  padding-right: 2.2rem;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.chip {
  position: relative;
}

.chip input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.chip span {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0.55rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: rgba(7, 9, 15, 0.45);
  color: var(--muted);
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}

/* Непрозрачный фон + жирная рамка: полупрозрачную подсветку гасят
   расширения вроде Dark Reader, и выбор становится невидимым. */
.chip input:checked + span {
  color: #fff;
  border: 2px solid #7c5cff;
  background: #4b32c3;
  font-weight: 600;
  box-shadow: 0 0 0 3px rgba(124, 92, 255, 0.25);
}

.chip input:focus-visible + span {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.scale {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.5rem;
}

.scale label {
  margin: 0;
}

.scale input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.scale span {
  display: grid;
  place-items: center;
  min-height: 56px;
  border-radius: 14px;
  border: 1px solid var(--line-strong);
  background: rgba(7, 9, 15, 0.45);
  color: var(--muted);
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s ease;
}

.scale input:checked + span {
  color: #06231a;
  border: 2px solid #2ee6a6;
  background: #2ee6a6;
  box-shadow: 0 0 0 3px rgba(46, 230, 166, 0.25);
}

.scale-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 0.45rem;
  color: var(--muted-2);
  font-size: 0.8rem;
}

.form-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  justify-content: space-between;
  margin-top: 1.4rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line);
}

.form-nav .right {
  display: flex;
  gap: 0.7rem;
  margin-left: auto;
}

.error {
  color: var(--danger);
  font-size: 0.86rem;
  margin-top: 0.4rem;
  display: none;
}

.field.invalid input,
.field.invalid select,
.field.invalid textarea {
  border-color: rgba(255, 107, 122, 0.7);
}

.field.invalid .error {
  display: block;
}

.hp {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  width: 0;
  overflow: hidden;
}

.bonus-box {
  margin-top: 0.5rem;
  padding: 1rem;
  border-radius: 16px;
  border: 1px dashed rgba(46, 230, 166, 0.35);
  background: rgba(46, 230, 166, 0.05);
}

.bonus-box h4 {
  margin: 0 0 0.35rem;
  font-size: 0.98rem;
}

.bonus-box p {
  margin: 0 0 0.85rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.success {
  display: none;
  text-align: center;
  padding: 2.5rem 1rem 2rem;
}

.success.show {
  display: block;
}

.success-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 1rem;
  border-radius: 20px;
  display: grid;
  place-items: center;
  background: rgba(46, 230, 166, 0.12);
  border: 1px solid rgba(46, 230, 166, 0.3);
  font-size: 1.6rem;
}

.success h3 {
  margin: 0 0 0.5rem;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
}

.success p {
  margin: 0 auto;
  max-width: 30rem;
  color: var(--muted);
}

.faq {
  display: grid;
  gap: 0.75rem;
}

.faq details {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(14, 19, 32, 0.7);
  padding: 0.95rem 1.05rem;
}

.faq summary {
  cursor: pointer;
  font-weight: 650;
  list-style: none;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq details p {
  margin: 0.7rem 0 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.footer {
  border-top: 1px solid var(--line);
  padding: 1.5rem 0 2rem;
  color: var(--muted-2);
  font-size: 0.88rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: space-between;
  align-items: center;
}

/* RESPONSIVE */
@media (max-width: 900px) {
  .hero-grid,
  .cards {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 2.5rem;
  }

  .scale {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .form-nav {
    flex-direction: column;
  }

  .form-nav .right {
    width: 100%;
    margin-left: 0;
  }

  .form-nav .btn {
    width: 100%;
  }

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

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