/*
 * VarshaKrishi — css/pages/products.css
 * Page-specific styles for the Solutions (Products) page.
 * Strictly uses CSS tokens from tokens.css.
 */

/* ═══════════════════════════════════════════════════════════════
 * 1. HERO SECTION
 * ═══════════════════════════════════════════════════════════════ */

.prod-hero {
  position: relative;
  padding-top: calc(var(--nav-height) + var(--space-12));
  padding-bottom: var(--space-8);
  background:
    radial-gradient(ellipse 80% 55% at 50% -5%, rgba(45, 84, 56, 0.12) 0%, transparent 70%),
    var(--color-bg-base);
  border-bottom: 1px solid var(--color-border-default);
  text-align: center;
}

.prod-hero__inner {
  max-width: var(--grid-max);
  margin-inline: auto;
  padding-inline: var(--grid-padding);
}

.prod-hero__kicker {
  display: inline-flex;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-success);
  margin-bottom: var(--space-4);
}

.prod-hero__title {
  font-family: var(--font-display);
  font-size: var(--text-5xl);
  font-weight: var(--weight-regular);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text-primary);
  line-height: var(--leading-tight);
  margin-bottom: var(--space-3);
  max-width: 20ch;
  margin-inline: auto;
}

.prod-hero__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  max-width: 600px;
  margin-inline: auto;
  margin-bottom: var(--space-6);
}

.prod-hero__actions {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* ═══════════════════════════════════════════════════════════════
 * BREADCRUMB
 * ═══════════════════════════════════════════════════════════════ */

.prod-breadcrumb {
  margin-bottom: var(--space-6);
  display: flex;
  justify-content: center;
}

.prod-breadcrumb__list {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
}

.prod-breadcrumb__item {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.prod-breadcrumb__item + .prod-breadcrumb__item::before {
  content: '/';
  color: var(--color-text-disabled);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.prod-breadcrumb__link {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  color: var(--color-text-disabled);
  text-decoration: none;
  transition: color var(--duration-fast);
}

.prod-breadcrumb__link:hover {
  color: var(--color-text-muted);
}

.prod-breadcrumb__current {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  color: var(--color-text-muted);
}

/* ═══════════════════════════════════════════════════════════════
 * SHARED SECTION
 * ═══════════════════════════════════════════════════════════════ */

.prod-section {
  padding-block: var(--space-section);
  border-bottom: 1px solid var(--color-border-default);
}

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

.prod-section__inner {
  max-width: var(--grid-max);
  margin-inline: auto;
  padding-inline: var(--grid-padding);
}

.prod-section__header {
  margin-bottom: var(--space-10);
  max-width: 700px;
}

.prod-section__header--center {
  margin-inline: auto;
  text-align: center;
}

.prod-eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-success);
  margin-bottom: var(--space-2);
}

.prod-heading {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: var(--weight-regular);
  letter-spacing: var(--tracking-snug);
  color: var(--color-text-primary);
  line-height: var(--leading-tight);
  margin-bottom: var(--space-2);
}

.prod-subheading {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
}

/* ═══════════════════════════════════════════════════════════════
 * 2. COMPONENT OVERVIEW STACK
 * ═══════════════════════════════════════════════════════════════ */

.prod-stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.prod-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-xl);
  overflow: hidden;
  align-items: center;
}

.prod-card--reverse {
  grid-template-areas: "image text";
}

.prod-card--normal {
  grid-template-areas: "text image";
}

.prod-card__content {
  padding: var(--space-6) var(--space-8);
  grid-area: text;
}

.prod-card__image-wrap {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 400px;
  background: var(--color-bg-elevated);
  grid-area: image;
  border-left: 1px solid var(--color-border-default);
}

.prod-card--reverse .prod-card__image-wrap {
  border-left: none;
  border-right: 1px solid var(--color-border-default);
}

.prod-card__image-wrap picture,
.prod-card__image-wrap img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.prod-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-2);
}

.prod-card__type {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-success);
}

.prod-status {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  padding: 4px 8px;
  background: var(--color-success-bg);
  color: var(--color-success);
  border: 1px solid var(--color-success-border);
  border-radius: var(--radius-sm);
}

.prod-status--live {
  background: var(--color-warning-bg);
  color: var(--color-warning);
  border-color: var(--color-warning-border);
}

.prod-status__dot {
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: currentColor;
}

.prod-card__title {
  font-size: var(--text-2xl);
  font-weight: var(--weight-regular);
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
  letter-spacing: var(--tracking-snug);
}

.prod-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
}

/* Specs table */
.prod-specs {
  width: 100%;
  border-collapse: collapse;
}

.prod-specs tr {
  border-bottom: 1px solid var(--color-border-default);
}

.prod-specs tr:first-child {
  border-top: 1px solid var(--color-border-default);
}

.prod-specs th, .prod-specs td {
  padding: var(--space-3) 0;
  text-align: left;
  vertical-align: top;
}

.prod-specs th {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-muted);
  width: 35%;
}

.prod-specs td {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  font-weight: var(--weight-medium);
}

.prod-specs__note {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-success);
  font-weight: var(--weight-regular);
  margin-top: 2px;
}

/* ═══════════════════════════════════════════════════════════════
 * 3. CONFIGURATIONS
 * ═══════════════════════════════════════════════════════════════ */

.prod-pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  align-items: stretch;
}

.prod-tier {
  display: flex;
  flex-direction: column;
  background: var(--color-bg-base);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: border-color var(--duration-fast), box-shadow var(--duration-fast);
}

.prod-tier:hover {
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-sm);
}

.prod-tier--featured {
  background: var(--color-bg-surface);
  border-color: var(--color-success-border);
  position: relative;
}

.prod-tier--featured::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--color-success);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.prod-tier__name {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.prod-tier__target {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  font-weight: var(--weight-medium);
  margin-bottom: var(--space-4);
}

.prod-tier__freq {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-success);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  padding-bottom: var(--space-4);
  margin-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border-default);
}

.prod-tier__features {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-6) 0;
  flex: 1;
}

.prod-tier__feature {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
  line-height: var(--leading-snug);
}

.prod-tier__icon {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  stroke: var(--color-success);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
  margin-top: 2px;
}

.prod-tier__note {
  font-size: var(--text-xs);
  color: var(--color-text-disabled);
  font-style: italic;
  margin-bottom: var(--space-4);
  line-height: var(--leading-snug);
}

.prod-tier__action {
  margin-top: auto;
}

.prod-pricing-notice {
  margin-top: var(--space-6);
  padding: var(--space-4);
  background: rgba(45, 84, 56, 0.05);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-align: center;
  line-height: var(--leading-relaxed);
}

/* ═══════════════════════════════════════════════════════════════
 * 4. FAQ
 * ═══════════════════════════════════════════════════════════════ */

.prod-faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  max-width: 800px;
  margin-inline: auto;
}

.prod-faq-item {
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-md);
  background: var(--color-bg-base);
  overflow: hidden;
}

.prod-faq-trigger {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-4) var(--space-5);
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  color: var(--color-text-primary);
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  transition: background var(--duration-fast);
}

.prod-faq-trigger:hover, .prod-faq-trigger[aria-expanded="true"] {
  background: var(--color-bg-surface);
}

.prod-faq-icon {
  width: 20px;
  height: 20px;
  stroke: var(--color-text-muted);
  stroke-width: 2;
  transition: transform var(--duration-base) var(--ease-out-expo), stroke var(--duration-fast);
}

.prod-faq-trigger[aria-expanded="true"] .prod-faq-icon {
  transform: rotate(45deg);
  stroke: var(--color-success);
}

.prod-faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--duration-slow) var(--ease-out-expo);
}

.prod-faq-answer__inner {
  padding: 0 var(--space-5) var(--space-5) var(--space-5);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  background: var(--color-bg-surface);
}

/* ═══════════════════════════════════════════════════════════════
 * 5. CTA SECTION
 * ═══════════════════════════════════════════════════════════════ */

.prod-cta {
  padding-block: var(--space-12);
  text-align: center;
  background: var(--color-bg-surface);
}

.prod-cta__title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.prod-cta__desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 60ch;
  margin-inline: auto;
  margin-bottom: var(--space-6);
  line-height: var(--leading-relaxed);
}

.prod-cta__link {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-success);
  text-decoration: none;
  display: inline-block;
  margin-top: var(--space-4);
  transition: color var(--duration-fast);
}

.prod-cta__link:hover {
  color: var(--color-text-primary);
}

/* ═══════════════════════════════════════════════════════════════
 * SCROLL REVEAL (standardized across pages)
 * ═══════════════════════════════════════════════════════════════ */

[data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity   var(--duration-slow) var(--ease-out-expo),
    transform var(--duration-slow) var(--ease-out-expo);
}

[data-reveal][data-delay="1"] { transition-delay: 80ms; }
[data-reveal][data-delay="2"] { transition-delay: 160ms; }
[data-reveal][data-delay="3"] { transition-delay: 240ms; }
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ═══════════════════════════════════════════════════════════════
 * RESPONSIVE MODIFICATIONS
 * ═══════════════════════════════════════════════════════════════ */

@media (max-width: 960px) {
  .prod-card {
    grid-template-columns: 1fr;
    grid-template-areas: "image" "text";
    gap: 0;
  }
  
  .prod-card--reverse {
    grid-template-areas: "image" "text";
  }

  .prod-card__image-wrap {
    min-height: 280px;
    border-left: none;
    border-bottom: 1px solid var(--color-border-default);
  }
  
  .prod-card--reverse .prod-card__image-wrap {
    border-right: none;
  }

  .prod-pricing-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .prod-hero__title { font-size: var(--text-4xl); }
  .prod-card__content { padding: var(--space-5); }
  .prod-tier { padding: var(--space-5); }
}