/* Landing — каталог Telegram-ботов */

:root {
  --color-bg: #f4f8fb;
  --color-surface: #ffffff;
  --color-text: #1a2b3c;
  --color-muted: #5a6d7d;
  --color-primary: #0d6e8a;
  --color-primary-dark: #095568;
  --color-accent: #e85d2c;
  --color-accent-hover: #cf4f22;
  --color-border: #d8e4ec;
  --color-teal: #14a89e;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(13, 110, 138, 0.08);
  --shadow-lg: 0 12px 40px rgba(13, 110, 138, 0.12);
  --header-h: 64px;
  --max-w: 1120px;
  --transition: 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
}

img,
svg {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--color-primary);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--color-primary-dark);
}

:focus-visible {
  outline: 3px solid var(--color-teal);
  outline-offset: 2px;
}

.container {
  width: min(100% - 2rem, var(--max-w));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.site-header.is-scrolled {
  border-color: var(--color-border);
  box-shadow: var(--shadow);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header-h);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-text);
  text-decoration: none;
}

.logo:hover {
  color: var(--color-primary);
}

.logo img {
  width: 32px;
  height: 32px;
}

.nav-desktop {
  display: none;
  gap: 1.25rem;
}

.nav-desktop a {
  color: var(--color-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
}

.nav-desktop a:hover {
  color: var(--color-primary);
}

@media (min-width: 900px) {
  .nav-desktop {
    display: flex;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.75rem 1.35rem;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.2;
  border-radius: 999px;
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform 0.15s;
}

.btn:active {
  transform: scale(0.98);
}

.btn--primary {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

.btn--primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: #fff;
}

.btn--secondary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.btn--secondary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: #fff;
}

.btn--ghost {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-border);
}

.btn--ghost:hover {
  border-color: var(--color-primary);
  background: rgba(13, 110, 138, 0.06);
}

.btn--sm {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* Hero */
.hero {
  padding: 3rem 0 4rem;
  background: linear-gradient(165deg, #e8f4f8 0%, var(--color-bg) 55%, #fff 100%);
}

.hero__grid {
  display: grid;
  gap: 2rem;
}

@media (min-width: 768px) {
  .hero__grid {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
  }
}

.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.75rem, 5vw, 2.5rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.hero__lead {
  margin: 0 0 1.5rem;
  font-size: 1.1rem;
  color: var(--color-muted);
  max-width: 36ch;
}

.hero__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.35rem 0.75rem;
  font-size: 0.8rem;
  font-weight: 600;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  color: var(--color-primary-dark);
}

.hero__card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
}

.hero__price {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-primary);
  margin: 0 0 0.25rem;
}

.hero__price-note {
  font-size: 0.85rem;
  color: var(--color-muted);
  margin: 0 0 1rem;
}

.hero__stats {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.75rem;
}

.hero__stats li {
  display: flex;
  gap: 0.5rem;
  font-size: 0.95rem;
}

.hero__stats strong {
  color: var(--color-primary);
}

/* Sections */
.section {
  padding: 4rem 0;
}

.section--alt {
  background: var(--color-surface);
}

.section__head {
  text-align: center;
  max-width: 42rem;
  margin: 0 auto 2.5rem;
}

.section__head h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.5rem, 4vw, 2rem);
}

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

/* Niche cards */
.niche-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

@media (min-width: 600px) {
  .niche-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .niche-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.niche-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  transition: box-shadow var(--transition), transform var(--transition);
}

.niche-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.niche-card__icon {
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
}

.niche-card h3 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
}

.niche-card p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-muted);
}

/* Catalog filters */
.catalog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-bottom: 2rem;
}

.filter-btn {
  padding: 0.45rem 1rem;
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-surface);
  color: var(--color-muted);
  cursor: pointer;
  transition: all var(--transition);
}

.filter-btn:hover,
.filter-btn.is-active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.filter-btn:focus-visible {
  outline-offset: 2px;
}

/* Bot cards */
.catalog-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr;
}

@media (min-width: 600px) {
  .catalog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .catalog-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.bot-card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  transition: opacity 0.3s, transform 0.3s, box-shadow var(--transition);
}

.bot-card.is-hidden {
  display: none;
}

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

.bot-card__head {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.bot-card__emoji {
  font-size: 1.5rem;
  line-height: 1;
}

.bot-card__title {
  margin: 0;
  font-size: 1.1rem;
  line-height: 1.3;
}

.bot-card__list {
  margin: 0 0 0.75rem;
  padding-left: 1.1rem;
  font-size: 0.88rem;
  color: var(--color-muted);
  flex: 1;
}

.bot-card__list li {
  margin-bottom: 0.25rem;
}

.bot-card__benefit {
  margin: 0 0 0.75rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-teal);
}

.bot-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 1rem;
}

.tag {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  background: #e8f4f8;
  color: var(--color-primary-dark);
  border-radius: 4px;
}

.bot-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: auto;
}

/* Steps */
.steps {
  display: grid;
  gap: 1.5rem;
  counter-reset: step;
}

@media (min-width: 768px) {
  .steps {
    grid-template-columns: repeat(4, 1fr);
  }
}

.step {
  position: relative;
  padding: 1.25rem;
  background: var(--color-surface);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}

.step::before {
  counter-increment: step;
  content: counter(step);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  margin-bottom: 0.75rem;
  font-weight: 800;
  font-size: 0.9rem;
  background: var(--color-primary);
  color: #fff;
  border-radius: 50%;
}

.step h3 {
  margin: 0 0 0.35rem;
  font-size: 1rem;
}

.step p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--color-muted);
}

/* Delivery list */
.delivery-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

@media (min-width: 600px) {
  .delivery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .delivery-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.delivery-item {
  display: flex;
  gap: 0.75rem;
  padding: 1rem;
  background: var(--color-bg);
  border-radius: var(--radius);
}

.delivery-item__icon {
  font-size: 1.25rem;
  flex-shrink: 0;
}

.delivery-item h3 {
  margin: 0 0 0.2rem;
  font-size: 0.95rem;
}

.delivery-item p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--color-muted);
}

/* Tech pills */
.tech-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

.tech-pill {
  padding: 0.6rem 1.2rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.9rem;
}

/* Security */
.security-list {
  max-width: 40rem;
  margin: 0 auto;
  list-style: none;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.security-list li {
  display: flex;
  gap: 0.75rem;
  padding: 1rem;
  background: var(--color-surface);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}

/* Comparison table */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.compare-table th,
.compare-table td {
  padding: 0.85rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.compare-table th {
  background: #e8f4f8;
  font-weight: 700;
}

.compare-table tr:last-child td {
  border-bottom: none;
}

.compare-table .col-good {
  color: var(--color-primary-dark);
  font-weight: 600;
}

.compare-table .col-bad {
  color: var(--color-muted);
}

/* FAQ */
.faq-list {
  max-width: 40rem;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text);
}

.faq-question::after {
  content: "+";
  font-size: 1.25rem;
  color: var(--color-primary);
  flex-shrink: 0;
}

.faq-item.is-open .faq-question::after {
  content: "−";
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-item.is-open .faq-answer {
  max-height: 12rem;
}

.faq-answer p {
  margin: 0 0 1rem;
  font-size: 0.9rem;
  color: var(--color-muted);
}

/* Contact */
.contact-grid {
  display: grid;
  gap: 2rem;
}

@media (min-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr 1.2fr;
  }
}

.contact-info {
  display: grid;
  gap: 1rem;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  text-decoration: none;
}

.lead-form {
  background: var(--color-surface);
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow);
}

.form-row {
  margin-bottom: 1rem;
}

.form-row label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.85rem;
  font-weight: 600;
}

.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 0.65rem 0.85rem;
  font-family: inherit;
  font-size: 1rem;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-bg);
}

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  border-color: var(--color-primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(13, 110, 138, 0.15);
}

.form-row input.is-error,
.form-row textarea.is-error {
  border-color: #c0392b;
}

.form-success {
  margin-top: 1rem;
  padding: 0.75rem;
  background: #e8f8f0;
  color: #1a6b42;
  border-radius: 8px;
  font-size: 0.9rem;
}

.form-error {
  margin-top: 1rem;
  padding: 0.75rem;
  background: #fdecea;
  color: #8a1f17;
  border-radius: 8px;
  font-size: 0.9rem;
  line-height: 1.45;
}

.form-error a {
  color: var(--color-primary);
  font-weight: 600;
}

/* CTA band */
.cta-band {
  text-align: center;
  padding: 3rem 1.5rem;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-teal) 100%);
  color: #fff;
  border-radius: var(--radius-lg);
}

.cta-band h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.4rem, 4vw, 1.85rem);
}

.cta-band p {
  margin: 0 0 1.5rem;
  opacity: 0.92;
  max-width: 36rem;
  margin-inline: auto;
}

.cta-band .btn--primary {
  background: #fff;
  color: var(--color-primary-dark);
  border-color: #fff;
}

.cta-band .btn--primary:hover {
  background: #f0f8fa;
}

.cta-band .btn--ghost {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.5);
}

.cta-band .btn--ghost:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

/* Footer */
.site-footer {
  padding: 2rem 0;
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-muted);
  border-top: 1px solid var(--color-border);
}

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s, visibility 0.25s;
}

.modal.is-open {
  pointer-events: auto;
  opacity: 1;
  visibility: visible;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(26, 43, 60, 0.5);
}

.modal-dialog {
  position: relative;
  width: min(100%, 520px);
  max-height: 85vh;
  overflow-y: auto;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-lg);
}

.modal-close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  width: 2.25rem;
  height: 2.25rem;
  border: none;
  background: var(--color-bg);
  border-radius: 50%;
  font-size: 1.25rem;
  cursor: pointer;
  line-height: 1;
}

.modal-close:hover {
  background: var(--color-border);
}

.modal-head {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  padding-right: 2rem;
}

.modal-head h2 {
  margin: 0;
  font-size: 1.25rem;
}

.modal-body {
  font-size: 0.95rem;
  color: var(--color-muted);
  margin-bottom: 1rem;
}

.modal-dialog .btn {
  margin-right: 0.5rem;
  margin-bottom: 0.5rem;
}

body.modal-open {
  overflow: hidden;
}

/* Fade in */
.fade-in {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}