/* ============================================================
 * leads-bot landing — Stripe-inspired theme
 * Источник дизайн-системы: ~/.claude/awesome-design-md/design-md/stripe/DESIGN.md
 * Палитра, типографика, формы компонентов — производные от него.
 * Шрифт Sohne (proprietary) заменён на Inter weight 300 — как и
 * рекомендует сам DESIGN.md в разделе "Note on Font Substitutes".
 * ============================================================ */

:root {
  --ink:          #0d253d;
  --ink-2:        #273951;
  --ink-mute:     #64748d;
  --primary:      #533afd;
  --primary-dp:   #4434d4;
  --primary-pr:   #2e2b8c;
  --primary-sf:   #665efd;
  --primary-sub:  #b9b9f9;
  --brand-dark:   #1c1e54;
  --canvas:       #ffffff;
  --canvas-soft:  #f6f9fc;
  --canvas-cream: #f5e9d4;
  --hairline:     #e3e8ee;
  --hairline-input: #a8c3de;
  --ruby:         #ea2261;
  --magenta:      #f96bee;

  --shadow-1: 0 1px 3px rgba(0,55,112,.08);
  --shadow-2: 0 8px 24px rgba(0,55,112,.08), 0 2px 6px rgba(0,55,112,.04);
}

/* ============ BASE TYPOGRAPHY ============ */

body {
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  font-weight: 300;
  font-feature-settings: 'ss01';     /* стилистический сет Inter близок к Söhne */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  color: var(--ink);
  background: var(--canvas);
}

p { font-weight: 300; }

.tabular {
  font-feature-settings: 'ss01', 'tnum';
  letter-spacing: -0.02em;
}

/* Заголовки — все weight 300 с отрицательным трекингом (Stripe-signature) */
.hero-title {
  font-size: clamp(2.25rem, 5.2vw, 3.5rem);
  font-weight: 300;
  line-height: 1.03;
  letter-spacing: -0.04em;       /* ~ -1.4px at 56px */
  color: var(--ink);
  max-width: 22ch;
}

.hero-lead {
  font-size: clamp(1rem, 1.4vw, 1.0625rem);
  font-weight: 300;
  line-height: 1.55;
  color: var(--ink-2);
  letter-spacing: 0;
  max-width: 36rem;
}

.section-title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -0.025em;        /* ~ -0.64-0.96px */
  text-align: center;
  color: var(--ink);
}

.section-lead {
  font-size: 1.0625rem;
  font-weight: 300;
  line-height: 1.55;
  text-align: center;
  color: var(--ink-mute);
  margin-top: 0.75rem;
  max-width: 40rem;
  margin-left: auto;
  margin-right: auto;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.7rem;
  border-radius: 9999px;
  background: var(--primary-sub);
  color: var(--primary-pr);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.02em;
}
.eyebrow--on-dark {
  background: rgba(255,255,255,.06);
  color: rgba(255,255,255,.7);
  padding: 0.25rem 0.6rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.625rem;
}

.micro-cap {
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.caption {
  font-size: 0.8125rem;
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--ink-mute);
}

.caption-on-dark {
  font-size: 0.8125rem;
  font-weight: 400;
  letter-spacing: -0.01em;
  color: rgba(255,255,255,.6);
}

.micro {
  font-size: 0.6875rem;
  font-weight: 300;
  color: var(--ink-mute);
}

/* ============ BUTTONS (pill, tight) ============ */

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.6rem 1.25rem;
  background: var(--primary);
  color: #fff;
  border-radius: 9999px;
  font-size: 0.9375rem;
  font-weight: 400;
  font-family: inherit;
  line-height: 1;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.05s ease;
}
.btn-primary:hover { background: var(--primary-dp); }
.btn-primary:active { background: var(--primary-pr); transform: scale(0.99); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.55rem 1.2rem;
  background: var(--canvas);
  color: var(--primary);
  border: 1px solid var(--primary);
  border-radius: 9999px;
  font-size: 0.9375rem;
  font-weight: 400;
  line-height: 1;
  text-decoration: none;
  transition: background 0.15s ease;
}
.btn-secondary:hover { background: var(--canvas-soft); }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.55rem 1.1rem;
  background: transparent;
  color: var(--ink-mute);
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 400;
  line-height: 1;
  text-decoration: none;
  transition: color 0.15s ease;
}
.btn-ghost:hover { color: var(--primary); }

/* ============ SERVICE CARDS (overview, два продукта) ============ */
.service-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: 14px;
  padding: 2rem;
  box-shadow: var(--shadow-1);
  text-decoration: none;
  color: var(--ink);
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}
.service-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-2);
  border-color: var(--primary);
}
.service-card--alt {
  background: linear-gradient(180deg, var(--canvas) 0%, var(--canvas-cream) 100%);
}
.service-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 10px;
  background: var(--primary-sub);
  color: var(--primary-pr);
  flex-shrink: 0;
}
.service-icon--alt {
  background: var(--brand-dark);
  color: var(--primary-sf);
}
.service-title {
  font-size: 1.5rem;
  font-weight: 300;
  letter-spacing: -0.025em;
  line-height: 1.15;
  color: var(--ink);
}
.service-text {
  font-size: 0.9375rem;
  font-weight: 300;
  line-height: 1.55;
  color: var(--ink-2);
}
.service-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 300;
  color: var(--ink-2);
  padding-top: 0.5rem;
  border-top: 1px solid var(--hairline);
}
.service-list li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.service-link {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--primary);
}

/* ============ LINKS ============ */

.link {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-thickness: 1px;
  transition: color 0.15s ease;
}
.link:hover { color: var(--primary-dp); }

/* ============ HERO ============ */

.hero-section {
  position: relative;
  overflow: hidden;
  background: var(--canvas);
}

/* Stripe gradient mesh — layered radial gradients in upper third */
.hero-mesh {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 70%;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(249,107,238,.08) 0%, transparent 70%),
    radial-gradient(ellipse 60% 80% at 12% 18%, rgba(83,58,253,.20) 0%, transparent 60%),
    radial-gradient(ellipse 55% 75% at 88% 22%, rgba(234,34,97,.14) 0%, transparent 60%),
    radial-gradient(ellipse 70% 60% at 65% 5%, rgba(245,233,212,.65) 0%, transparent 70%),
    linear-gradient(180deg, rgba(245,233,212,.4) 0%, transparent 100%);
  pointer-events: none;
  z-index: 0;
}

/* hero check-rows (преимущества) */
.check-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.875rem;
  background: rgba(255,255,255,.7);
  border: 1px solid var(--hairline);
  border-radius: 9999px;
  backdrop-filter: blur(4px);
}
.check-dot {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.125rem;
  height: 1.125rem;
  border-radius: 9999px;
  background: var(--primary-sub);
  color: var(--primary-pr);
  flex-shrink: 0;
}

/* ============ HERO MOCKUP (dark-navy) ============ */

.hero-mockup {
  position: relative;
  background: var(--brand-dark);
  color: #fff;
  border-radius: 14px;
  padding: 1.75rem;
  box-shadow:
    0 24px 60px rgba(28,30,84,.35),
    inset 0 1px 0 rgba(255,255,255,.06);
  max-width: 28rem;
  margin-left: auto;
}
.hero-mockup::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: 15px;
  background: linear-gradient(180deg, rgba(102,94,253,.35) 0%, transparent 50%);
  z-index: -1;
  pointer-events: none;
}

.feed-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.7rem 0.875rem;
  border-radius: 8px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.06);
}

/* ============ METRICS BAND ============ */

.metric { display: flex; flex-direction: column; align-items: center; }
.metric-num {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 300;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--ink);
}

/* ============ CARDS (how it works) ============ */

.card {
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 1.75rem;
  box-shadow: var(--shadow-1);
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}
.card:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-2);
  border-color: var(--primary-sub);
}
.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 10px;
  background: var(--primary-sub);
  color: var(--primary-pr);
}
.card-title {
  font-size: 1.0625rem;
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--ink);
  line-height: 1.3;
}
.card-text {
  margin-top: 0.625rem;
  font-size: 0.875rem;
  font-weight: 300;
  line-height: 1.55;
  color: var(--ink-mute);
}

/* ============ PRICE CARDS ============ */

.price-card {
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 2rem;
  box-shadow: var(--shadow-1);
  display: flex;
  flex-direction: column;
}
.price-card--featured {
  background: var(--brand-dark);
  color: #fff;
  border-color: var(--brand-dark);
  box-shadow: 0 16px 40px rgba(28,30,84,.25);
}

.price-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.65rem;
  border-radius: 9999px;
  background: var(--primary-sub);
  color: var(--primary-pr);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  align-self: flex-start;
}
.price-badge--featured {
  background: rgba(102,94,253,.2);
  color: var(--primary-sf);
}

.price-num {
  font-size: clamp(2.25rem, 3.5vw, 2.75rem);
  font-weight: 300;
  letter-spacing: -0.03em;
  line-height: 1;
}

.price-list {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  font-size: 0.875rem;
  font-weight: 300;
  color: var(--ink-2);
}
.price-list li { display: flex; align-items: center; gap: 0.625rem; }
.price-list--on-dark { color: rgba(255,255,255,.85); }

.price-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1rem;
  height: 1rem;
  border-radius: 9999px;
  background: var(--primary-sub);
  color: var(--primary-pr);
  flex-shrink: 0;
}
.price-check--on-dark { background: rgba(102,94,253,.25); color: var(--primary-sf); }

/* ============ CONTENT CHANNEL FEATURES ============ */

.content-feature {
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: var(--shadow-1);
}
.content-feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 9px;
  background: var(--primary-sub);
  color: var(--primary-pr);
}
.content-feature-title {
  margin-top: 0.875rem;
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.content-feature-text {
  margin-top: 0.4rem;
  font-size: 0.8125rem;
  font-weight: 300;
  line-height: 1.5;
  color: var(--ink-mute);
}

/* ============ CITY CARDS ============ */

.city-card {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: 10px;
  padding: 1rem 1.125rem;
  font-weight: 400;
  font-size: 0.9375rem;
  color: var(--ink);
  transition: border-color 0.15s ease, background 0.15s ease;
}
.city-card:hover {
  border-color: var(--primary);
  background: var(--canvas-soft);
}
.city-icon {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--primary);
  flex-shrink: 0;
}

/* ============ FAQ ============ */

.faq-item {
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: 10px;
  padding: 1rem 1.25rem;
  cursor: pointer;
  transition: border-color 0.15s ease;
}
.faq-item:hover { border-color: var(--ink-mute); }
.faq-item[open] { border-color: var(--primary); }
.faq-item summary {
  font-weight: 400;
  font-size: 0.9375rem;
  color: var(--ink);
  list-style: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  font-size: 1.25rem;
  font-weight: 300;
  color: var(--ink-mute);
  flex-shrink: 0;
  transition: transform 0.15s ease;
}
.faq-item[open] summary::after { content: '−'; color: var(--primary); }
.faq-item p {
  margin-top: 0.75rem;
  color: var(--ink-mute);
  font-size: 0.9375rem;
  font-weight: 300;
  line-height: 1.55;
}

/* ============ FORM ============ */

.form-label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--ink-2);
  letter-spacing: -0.005em;
}

.interest-options {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem;
}
@media (min-width: 640px) {
  .interest-options { grid-template-columns: repeat(3, 1fr); }
}
.interest-option {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--hairline-input);
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--ink-2);
  background: var(--canvas);
  transition: border-color 0.15s ease, background 0.15s ease;
}
.interest-option:hover { border-color: var(--primary-sub); }
.interest-option input[type="radio"] {
  appearance: none;
  -webkit-appearance: none;
  width: 1rem;
  height: 1rem;
  border: 1.5px solid var(--hairline-input);
  border-radius: 50%;
  margin: 0;
  flex-shrink: 0;
  transition: border-color 0.15s ease;
}
.interest-option input[type="radio"]:checked {
  border-color: var(--primary);
  background: radial-gradient(circle, var(--primary) 0%, var(--primary) 35%, transparent 38%);
}
.interest-option:has(input[type="radio"]:checked) {
  border-color: var(--primary);
  background: rgba(83,58,253,.04);
  color: var(--ink);
}

.form-input {
  display: block;
  width: 100%;
  padding: 0.625rem 0.875rem;
  border: 1px solid var(--hairline-input);
  border-radius: 6px;
  font-size: 0.9375rem;
  font-weight: 300;
  font-family: inherit;
  background: var(--canvas);
  color: var(--ink);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.form-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(83,58,253,.15);
}
.form-input::placeholder { color: var(--ink-mute); opacity: 0.6; }
textarea.form-input { resize: vertical; min-height: 5rem; line-height: 1.5; }

.shadow-card { box-shadow: var(--shadow-2); }

/* ============ STATUS ============ */
#form-status.ok { color: #10b981; }
#form-status.err { color: var(--ruby); }

/* ============ LEGAL PAGES (privacy/oferta/soglasie) ============ */

.legal-page {
  max-width: 48rem;
  margin: 0 auto;
  padding: 3.5rem 1.5rem;
}
.legal-page h1 {
  font-size: 2rem;
  font-weight: 300;
  letter-spacing: -0.025em;
  line-height: 1.1;
  margin-bottom: 0.5rem;
  color: var(--ink);
}
.legal-page h2 {
  font-size: 1.125rem;
  font-weight: 500;
  margin-top: 2.5rem;
  margin-bottom: 0.875rem;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.legal-page p, .legal-page li {
  color: var(--ink-2);
  font-weight: 300;
  line-height: 1.65;
  margin-bottom: 0.625rem;
}
.legal-page ul, .legal-page ol { padding-left: 1.5rem; margin-bottom: 1rem; }
.legal-page ul li { list-style: disc; }
.legal-page ol li { list-style: decimal; }
.legal-page a { color: var(--primary); text-decoration: underline; }
.legal-page code {
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;
  font-size: 0.85em;
  background: var(--canvas-soft);
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  color: var(--ink);
}

/* ============ MOBILE TWEAKS ============ */
@media (max-width: 640px) {
  .hero-mockup { padding: 1.25rem; }
  .price-card { padding: 1.5rem; }
}