/*
 * VarshaKrishi — css/pages/about.css
 * About page-specific styles only. No hardcoded values — all tokens.
 *
 * Sections:
 *   1.  Page hero (2-col layout: sidebar + main content)
 *   2.  Institutional backer row
 *   3.  Architecture thesis grid
 *   4.  Leadership cards
 *   5.  Timeline
 *   6.  Origin / narrative section
 *   7.  Entity information grid
 *   8.  Breadcrumb nav
 *   9.  Scroll-reveal
 *  10.  Responsive overrides
 */

/* ═══════════════════════════════════════════════════════════════
 * 1. PAGE HERO
 * 2-column: narrow sidebar (affiliations) + wide main (H1 + thesis)
 * LCP element: H1 — no hero image, text-only.
 * ═══════════════════════════════════════════════════════════════ */

.abt-hero {
  position: relative;
  padding-top:    calc(var(--nav-height) + var(--space-12));
  padding-bottom: var(--space-12);
  background:
    radial-gradient(ellipse 80% 55% at 65% -5%, rgba(45, 84, 56, 0.14) 0%, transparent 60%),
    var(--color-bg-base);
  border-bottom: 1px solid var(--color-border-default);
  overflow: hidden;
}

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

.abt-hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  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);
  border: 1px solid rgba(45, 84, 56, 0.35);
  border-radius: var(--radius-sm);
  padding: 4px 10px;
  margin-bottom: var(--space-4);
}

.abt-hero__kicker-dot {
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--color-success);
  flex-shrink: 0;
  animation: abt-pulse 2.5s ease-in-out infinite;
}

@keyframes abt-pulse {
  0%, 100% { opacity: 1;    transform: scale(1);   }
  50%       { opacity: 0.4; transform: scale(0.7); }
}

/* 2-column layout — sidebar : content = 1:2 */
.abt-hero__layout {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: clamp(var(--space-4), 4vw, var(--space-10));
  align-items: start;
}

/* Sidebar — affiliations */
.abt-hero__sidebar {}

.abt-sidebar-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);
}

.abt-badge-stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin-bottom: var(--space-4);
}

.abt-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  background: var(--color-success-bg);
  border: 1px solid var(--color-success-border);
  color: var(--color-success);
  width: fit-content;
}

/* Affiliations sub-list */
.abt-affil-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-4);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border-default);
}

.abt-affil-list__label {
  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-text-disabled);
}

.abt-affil-item__name {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--color-text-secondary);
  letter-spacing: var(--tracking-wide);
}

.abt-affil-item__role {
  font-size: var(--text-xs);
  color: var(--color-text-disabled);
  line-height: var(--leading-normal);
}

/* Main content area */
.abt-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);
}

.abt-hero__title em {
  font-style: italic;
  color: var(--color-success);
}

.abt-hero__thesis {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  max-width: 600px;
  margin-bottom: var(--space-4);
}

.abt-hero__thesis strong {
  color: var(--color-text-secondary);
  font-weight: var(--weight-semibold);
}

/* Spec chip row */
.abt-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}

.abt-chip {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-sm);
  padding: 4px 10px;
  background: rgba(45, 84, 56, 0.05);
  white-space: nowrap;
}

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

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

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

.abt-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);
}

.abt-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);
}

.abt-subheading {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 56ch;
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-8);
}

/* ═══════════════════════════════════════════════════════════════
 * 3. ARCHITECTURE THESIS GRID
 * 3-cell grid — split by 1px dividers on a border-color background.
 * ═══════════════════════════════════════════════════════════════ */

.abt-arch-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--color-border-default);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.abt-arch-cell {
  background: var(--color-bg-surface);
  padding: var(--space-4) var(--space-5);
  transition: background var(--duration-fast) var(--ease-out);
}

.abt-arch-cell:hover {
  background: var(--color-bg-elevated);
}

.abt-arch-cell__stat {
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  font-weight: var(--weight-semibold);
  color: var(--color-success);
  letter-spacing: var(--tracking-snug);
  margin-bottom: var(--space-1);
  line-height: var(--leading-tight);
}

.abt-arch-cell__label {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
  line-height: var(--leading-snug);
}

.abt-arch-cell__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
}

/* ═══════════════════════════════════════════════════════════════
 * 4. LEADERSHIP CARDS
 * 2-column grid; each card: photo + bio in a 2-col inner grid.
 * ═══════════════════════════════════════════════════════════════ */

.abt-team-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.abt-person {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-3);
  align-items: start;
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  transition:
    border-color var(--duration-fast) var(--ease-out),
    box-shadow   var(--duration-base) var(--ease-out);
}

.abt-person:hover {
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-md);
}

/* Photo / avatar */
.abt-person__avatar {
  width: 88px;
  height: 88px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #1F5733 0%, #0D2E1A 100%);
  border: 1px solid var(--color-success-border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
}

.abt-person__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
}

.abt-person__initials {
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  font-weight: var(--weight-semibold);
  color: var(--color-success-border);
  letter-spacing: var(--tracking-snug);
  user-select: none;
}

/* Bio content */
.abt-person__name {
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  line-height: var(--leading-snug);
  margin-bottom: 3px;
}

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

/* Credential chips */
.abt-person__creds {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin-bottom: var(--space-2);
}

.abt-person__cred {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-sm);
  padding: 2px 8px;
  line-height: 1.6;
}

.abt-person__bio {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-2);
}

/* Responsibility chips */
.abt-person__stack {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin-bottom: var(--space-2);
}

.abt-stack-chip {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  color: var(--color-text-disabled);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-sm);
  padding: 2px 8px;
  background: rgba(45, 84, 56, 0.05);
  line-height: 1.6;
}

.abt-person__contact {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-success);
  text-decoration: none;
  display: inline-block;
  transition: color var(--duration-fast) var(--ease-out);
}

.abt-person__contact:hover {
  color: var(--color-text-primary);
}

/* ═══════════════════════════════════════════════════════════════
 * 5. TIMELINE
 * Vertical timeline with status dots and left border.
 * Three states: done (green), active (amber), next (disabled).
 * ═══════════════════════════════════════════════════════════════ */

.abt-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 2px solid var(--color-success-border);
}

.abt-timeline__item {
  position: relative;
  padding: 0 0 var(--space-6) var(--space-4);
  display: flex;
}

.abt-timeline__item:last-child {
  padding-bottom: 0;
}

/* State dot */
.abt-timeline__dot {
  position: absolute;
  left: -7px;
  top: 5px;
  width: 12px;
  height: 12px;
  border-radius: var(--radius-full);
  border: 2px solid;
  background: var(--color-bg-base);
  flex-shrink: 0;
}

.abt-timeline__item--done .abt-timeline__dot {
  border-color: var(--color-success);
  background: var(--color-success);
}

.abt-timeline__item--active .abt-timeline__dot {
  border-color: var(--color-warning);
  background: var(--color-warning-bg);
}

.abt-timeline__item--next .abt-timeline__dot {
  border-color: var(--color-text-disabled);
  background: var(--color-bg-base);
}

.abt-timeline__body {
  flex: 1;
  min-width: 0;
}

.abt-timeline__meta {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  margin-bottom: var(--space-1);
  flex-wrap: wrap;
}

.abt-timeline__date {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  color: var(--color-warning);
  text-transform: uppercase;
}

/* Status badges */
.abt-tl-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  line-height: 1.6;
}

.abt-tl-badge--done {
  background: var(--color-success-bg);
  color: var(--color-success);
  border: 1px solid var(--color-success-border);
}

.abt-tl-badge--active {
  background: var(--color-warning-bg);
  color: var(--color-warning);
  border: 1px solid var(--color-warning-border);
}

.abt-tl-badge--next {
  background: transparent;
  color: var(--color-text-disabled);
  border: 1px solid var(--color-border-default);
}

.abt-timeline__label {
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  line-height: var(--leading-snug);
  margin-bottom: var(--space-1);
}

.abt-timeline__item--next .abt-timeline__label {
  color: var(--color-text-muted);
}

.abt-timeline__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
}

.abt-timeline__item--next .abt-timeline__desc {
  color: var(--color-text-disabled);
}

/* ═══════════════════════════════════════════════════════════════
 * 6. ORIGIN / NARRATIVE SECTION
 * Pull quote with green left-border ident + two body paragraphs.
 * ═══════════════════════════════════════════════════════════════ */

.abt-origin {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  margin-top: var(--space-6);
}

.abt-origin__quote {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: var(--weight-regular);
  font-style: italic;
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  border-left: 3px solid var(--color-success);
  padding-left: var(--space-3);
  margin: 0 0 var(--space-4) 0;
}

.abt-origin__body {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  max-width: 64ch;
}

.abt-origin__body + .abt-origin__body {
  margin-top: var(--space-2);
}

/* ═══════════════════════════════════════════════════════════════
 * 7. ENTITY INFORMATION GRID
 * 2-column info card grid for company registration details.
 * ═══════════════════════════════════════════════════════════════ */

.abt-entity-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.abt-entity-card {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-4);
  transition: background var(--duration-fast) var(--ease-out);
}

.abt-entity-card:hover {
  background: var(--color-bg-elevated);
}

.abt-entity-card__label {
  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-text-disabled);
  margin-bottom: var(--space-1);
}

.abt-entity-card__value {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

.abt-entity-card__value--mono {
  font-family: var(--font-mono);
  letter-spacing: var(--tracking-wide);
}

.abt-entity-card__value a {
  color: var(--color-success);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}

.abt-entity-card__value a:hover {
  color: var(--color-text-primary);
}

.abt-entity-card__note {
  font-size: var(--text-xs);
  color: var(--color-text-disabled);
  margin-top: var(--space-1);
  font-style: italic;
  line-height: var(--leading-relaxed);
}

/* Procurement notice bar */
.abt-proc-notice {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
}

.abt-proc-notice__icon {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  margin-top: 2px;
  stroke: var(--color-success);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
}

.abt-proc-notice a {
  color: var(--color-success);
  text-decoration: none;
  transition: color var(--duration-fast);
}

.abt-proc-notice a:hover {
  color: var(--color-text-primary);
}

/* ═══════════════════════════════════════════════════════════════
 * 8. BREADCRUMB NAV
 * ═══════════════════════════════════════════════════════════════ */

.abt-breadcrumb {
  max-width: var(--grid-max);
  margin-inline: auto;
  padding-inline: var(--grid-padding);
  padding-block: var(--space-3);
}

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

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

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

.abt-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);
}

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

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

/* ═══════════════════════════════════════════════════════════════
 * 9. SCROLL-REVEAL
 * Matches pattern in procurement.css — [data-reveal] + [data-delay].
 * ═══════════════════════════════════════════════════════════════ */

[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][data-delay="4"] { transition-delay: 320ms; }

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

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

/* ═══════════════════════════════════════════════════════════════
 * 10. RESPONSIVE OVERRIDES
 * ═══════════════════════════════════════════════════════════════ */

@media (max-width: 960px) {
  .abt-hero__layout { grid-template-columns: 1fr; }
  .abt-team-grid    { grid-template-columns: 1fr; }
  .abt-arch-grid    { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .abt-hero__title  { font-size: var(--text-4xl); }
  .abt-arch-grid    { grid-template-columns: 1fr; }
  .abt-entity-grid  { grid-template-columns: 1fr; }
  .abt-person       { grid-template-columns: 1fr; }
  .abt-hero {
    padding-top:    calc(var(--nav-height) + var(--space-8));
    padding-bottom: var(--space-8);
  }
}

@media (max-width: 420px) {
  .abt-hero__title { font-size: var(--text-3xl); }
}