/* ============================================================
   pages/home.css — Homepage Sections
   tgport.ru Design System
   ============================================================ */

/* --- Hero --- */

.hero {
  position: relative;
  padding-block: var(--space-4xl) var(--space-3xl);
  overflow: hidden;
}

.hero--compact {
  padding-block: var(--space-2xl) var(--space-xl);
}

.hero--service {
  padding-block: var(--space-3xl) var(--space-2xl);
}

.hero__grid {
  display: grid;
  gap: var(--space-2xl);
  align-items: center;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(
      ellipse 80% 60% at 20% 100%,
      var(--color-accent-subtle) 0%,
      transparent 70%
    ),
    radial-gradient(
      ellipse 60% 50% at 80% 20%,
      var(--color-secondary-subtle) 0%,
      transparent 70%
    ),
    var(--color-bg);
  transition: background var(--transition-theme);
}

.hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      180deg,
      transparent 60%,
      var(--color-bg) 100%
    );
}

@keyframes hero-gradient-shift {
  0%, 100% { opacity: 0.6; transform: translate(0, 0) scale(1); }
  33%      { opacity: 0.8; transform: translate(20px, -10px) scale(1.05); }
  66%      { opacity: 0.5; transform: translate(-15px, 8px) scale(0.98); }
}

.hero__glow {
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.5;
  animation: hero-gradient-shift 15s ease-in-out infinite;
  pointer-events: none;
}

.hero__glow--accent {
  top: -10%;
  right: -5%;
  background: var(--color-accent-muted);
}

.hero__glow--secondary {
  bottom: -20%;
  left: -10%;
  background: var(--color-secondary-muted);
  animation-delay: -5s;
}

.hero__content {
  position: relative;
  max-width: 720px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-2xs) var(--space-sm);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-accent);
  background: var(--color-accent-subtle);
  border: var(--border-w) solid var(--color-accent-muted);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-lg);
}

.hero__title {
  font-size: var(--text-3xl);
  letter-spacing: -0.025em;
  margin-bottom: var(--space-md);
}

.hero__title span {
  background: linear-gradient(135deg, var(--color-accent), var(--color-secondary));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero__subtitle {
  font-size: var(--text-md);
  color: var(--color-text-secondary);
  max-width: 560px;
  margin-bottom: var(--space-xl);
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-2xl);
}

.hero__platforms {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.hero__platform-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  padding: var(--space-2xs) var(--space-xs);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-secondary);
  background: var(--color-surface);
  border: var(--border-w) solid var(--color-border);
  border-radius: var(--radius-sm);
}

/* --- Visual schema (TG → MAX/VK) --- */

.hero__visual {
  padding: var(--space-xl);
  background: var(--color-surface);
  border: var(--border-w) solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
}

.hero__diagram {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xl);
  padding: var(--space-lg);
}

.hero__diagram-source {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-heading);
  padding: var(--space-md) var(--space-xl);
  background: var(--color-secondary-subtle);
  border: var(--border-w) solid var(--color-secondary-muted);
  border-radius: var(--radius-lg);
}

.hero__diagram-arrow {
  color: var(--color-text-muted);
}

.hero__diagram-arrow svg {
  width: 48px;
  height: 48px;
}

.hero__diagram-targets {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.hero__diagram-target {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-accent);
  padding: var(--space-sm) var(--space-xl);
  background: var(--color-accent-subtle);
  border: var(--border-w) solid var(--color-accent-muted);
  border-radius: var(--radius-lg);
  text-align: center;
}

.hero__diagram-logo {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

/* --- Offer Blocks --- */

.offer {
  display: grid;
  gap: var(--space-lg);
}

.offer__card {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-lg);
}

.offer__icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
}

.offer__icon svg {
  width: 24px;
  height: 24px;
}

.offer__title {
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-2xs);
}

.offer__text {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

/* --- "For Whom" Cards --- */

.audience-cards {
  display: grid;
  gap: var(--space-lg);
}

.audience-card {
  padding: var(--space-xl);
  border-left: 3px solid var(--color-accent);
}

.audience-card__title {
  font-size: var(--text-md);
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.audience-card__text {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

/* --- Portability Cards --- */

.port-cards {
  display: grid;
  gap: var(--space-lg);
}

.port-card {
  text-align: center;
  padding: var(--space-xl);
}

.port-card__icon {
  width: 56px;
  height: 56px;
  margin-inline: auto;
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  background: var(--color-accent-subtle);
  color: var(--color-accent);
}

.port-card__icon--secondary {
  background: var(--color-secondary-subtle);
  color: var(--color-secondary);
}

.port-card__title {
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.port-card__text {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

/* --- Platform Cards --- */

.platform-cards {
  display: grid;
  gap: var(--space-xl);
}

.platform-card {
  position: relative;
  padding: var(--space-2xl) var(--space-xl);
  overflow: hidden;
}

.platform-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-secondary));
}

.platform-card__name {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.platform-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
}

.platform-card__features {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.platform-card__feature {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--text-sm);
  color: var(--color-text);
}

.platform-card__feature svg {
  width: 16px;
  height: 16px;
  color: var(--color-success);
  flex-shrink: 0;
}

/* --- Process Steps --- */

.process-steps,
.process {
  display: grid;
  gap: var(--space-xl);
  counter-reset: step;
}

.process-step,
.process__step {
  counter-increment: step;
  display: flex;
  gap: var(--space-lg);
  align-items: flex-start;
}

.process-step__num,
.process__number {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-accent);
  background: var(--color-accent-subtle);
  border: var(--border-w) solid var(--color-accent-muted);
  border-radius: var(--radius-lg);
}

.process-step__title,
.process__title {
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-2xs);
}

.process-step__text,
.process__text {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

/* --- Calculator Section --- */

.calculator {
  padding: var(--space-2xl);
  background: var(--color-surface);
  border: var(--border-w) solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
}

.calculator__title {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-lg);
}

.calculator__grid {
  display: grid;
  gap: var(--space-lg);
}

.calculator__result {
  margin-top: var(--space-xl);
  padding: var(--space-lg);
  background: var(--color-accent-subtle);
  border: var(--border-w) solid var(--color-accent-muted);
  border-radius: var(--radius-md);
  text-align: center;
}

.calculator__result-label {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xs);
}

.calculator__result-value {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-accent);
}

/* calc-* styles (JS-generated calculator) */

.calc-step {
  padding: var(--space-xl);
  background: var(--color-surface);
  border: var(--border-w) solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
}

.calc-progress {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.calc-title {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-2xs);
}

.calc-subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
}

.calc-options {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.calc-option {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  border: var(--border-w) solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition:
    border-color var(--transition-fast),
    background var(--transition-fast);
}

.calc-option:hover {
  border-color: var(--color-border-hover);
  background: var(--color-surface-hover);
}

.calc-option:has(input:checked) {
  border-color: var(--color-accent);
  background: var(--color-accent-subtle);
}

.calc-option input[type="radio"] {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  accent-color: var(--color-accent);
  cursor: pointer;
}

.calc-option__label {
  font-size: var(--text-sm);
  font-weight: 500;
  cursor: pointer;
}

.calc-nav {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-sm);
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: var(--border-w) solid var(--color-border);
}

.calc-result {
  padding: var(--space-2xl);
  background: var(--color-surface);
  border: var(--border-w) solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  text-align: center;
}

.calc-result__badge {
  display: inline-block;
  padding: var(--space-xs) var(--space-lg);
  font-size: var(--text-md);
  font-weight: 700;
  color: #fff;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-lg);
}

.calc-result__desc {
  font-size: var(--text-base);
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.calc-result__note {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-xl);
}

/* --- Cases Preview --- */

.cases-preview {
  display: grid;
  gap: var(--space-lg);
}

.cases-preview__card {
  display: flex;
  flex-direction: column;
}

.cases-preview__img {
  aspect-ratio: 16 / 9;
  background: var(--color-bg-sunken);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  overflow: hidden;
}

.cases-preview__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cases-preview__body {
  padding: var(--space-lg);
}

/* --- FAQ Preview --- */

.faq-preview {
  max-width: 720px;
  margin-inline: auto;
}

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

.faq-item__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-lg) 0;
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-heading);
  text-align: left;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.faq-item__trigger:hover {
  color: var(--color-accent);
}

.faq-item__icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--color-text-muted);
  transition: transform var(--transition-base);
}

.faq-item--open .faq-item__icon {
  transform: rotate(45deg);
}

.faq-item__body {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.faq-item--open .faq-item__body {
  max-height: 500px;
}

.faq-item__content {
  padding-bottom: var(--space-lg);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* --- CTA Sections --- */

.cta-section {
  position: relative;
  text-align: center;
  padding: var(--space-3xl) var(--space-xl);
  overflow: hidden;
  background:
    linear-gradient(
      135deg,
      var(--color-accent-subtle) 0%,
      var(--color-secondary-subtle) 100%
    ),
    var(--color-surface);
  border-top: var(--border-w) solid var(--color-border);
  border-bottom: var(--border-w) solid var(--color-border);
}

.cta-block {
  max-width: 560px;
  margin-inline: auto;
}

.cta-block__title,
.cta-section__title {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-sm);
}

.cta-block__text,
.cta-section__text {
  font-size: var(--text-md);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
  max-width: 480px;
  margin-inline: auto;
}

.cta-block__actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

/* --- FAQ Section (details/summary) --- */

.faq-section {
  padding-block: var(--space-3xl);
}

.faq-list {
  max-width: 720px;
  margin-inline: auto;
}

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

.faq-item__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-lg) 0;
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-heading);
  text-align: left;
  cursor: pointer;
  transition: color var(--transition-fast);
  list-style: none;
}

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

.faq-item__question::marker {
  display: none;
  content: "";
}

.faq-item__question:hover {
  color: var(--color-accent);
}

.faq-item__icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--color-text-muted);
  transition: transform var(--transition-base);
}

.faq-item[open] .faq-item__icon {
  transform: rotate(180deg);
}

.faq-item__answer {
  padding-bottom: var(--space-lg);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.faq-section__more {
  text-align: center;
  margin-top: var(--space-xl);
}

/* --- Info List (service pages) --- */

.info-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.info-list__item {
  padding: var(--space-lg);
  background: var(--color-surface);
  border: var(--border-w) solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: background var(--transition-theme), border-color var(--transition-theme);
}

.info-list__title {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-heading);
  margin-bottom: var(--space-xs);
}

.info-list__text {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* --- Checklist (service pages) --- */

.checklist {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.checklist__item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-base);
  color: var(--color-text);
}

.checklist__icon {
  flex-shrink: 0;
  color: var(--color-success);
}

/* --- Timeline Table (service pages) --- */

.timeline-table {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: var(--border-w) solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.timeline-table__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  border-bottom: var(--border-w) solid var(--color-border);
  transition: background var(--transition-fast);
}

.timeline-table__row:last-child {
  border-bottom: none;
}

.timeline-table__row:hover {
  background: var(--color-surface-hover);
}

.timeline-table__label {
  font-size: var(--text-sm);
  color: var(--color-text);
}

.timeline-table__value {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-heading);
  white-space: nowrap;
}

/* --- Contacts Page styles moved to pages/contacts.css --- */

/* --- Responsive --- */

@media (min-width: 768px) {
  .hero {
    padding-block: var(--space-5xl) var(--space-4xl);
  }

  .hero__title {
    font-size: var(--text-4xl);
  }

  .offer {
    grid-template-columns: repeat(2, 1fr);
  }

  .audience-cards {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .platform-cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .calculator__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .cases-preview {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .cta-section {
    padding: var(--space-4xl) var(--space-2xl);
  }

  .cta-block__title,
  .cta-section__title {
    font-size: var(--text-3xl);
  }
}

@media (min-width: 1024px) {
  .hero__title {
    font-size: var(--text-5xl);
  }

  .process-steps,
  .process {
    grid-template-columns: repeat(2, 1fr);
  }

  .cases-preview {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 767px) {
  .hero__grid {
    grid-template-columns: 1fr;
  }

  .hero__diagram {
    flex-direction: column;
    gap: var(--space-md);
  }

  .lead-form__grid {
    grid-template-columns: 1fr;
  }

  .lead-form__footer {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }

  .lead-form__footer .btn {
    width: 100%;
    justify-content: center;
  }

  .cta-block__actions {
    flex-direction: column;
  }

  .cta-block__actions .btn {
    width: 100%;
    justify-content: center;
  }

  /* contacts styles moved to contacts.css */
}