/*
 * Gindi Innovations — About page (/about/). Content: apps/core/about.py.
 * Motion: hero entrance here (CSS, runs once); reveals and the chapter line
 * in static/js/about-page.js. Hidden "before reveal" states are scoped to
 * html.ab-motion, which the script adds only once it is running and motion
 * is allowed — without it, everything is simply visible.
 */
.ab-hero,
.ab-story,
.ab-details,
.ab-closing {
  --ab-ease: cubic-bezier(0.22, 1, 0.36, 1);
  /* The chapter line's gutter: the line sits --rail-x into it. */
  --rail: 4rem;
  --rail-x: 0.875rem;
}

/* ---------- Hero ---------- */
.ab-hero {
  position: relative;
  isolation: isolate;
  display: grid;
  align-items: end;
  overflow: hidden;
  min-height: 28rem;
  margin-block-start: var(--header-h);
}

@media (min-width: 48rem) {
  .ab-hero {
    height: 76svh;
    min-height: 30rem;
    max-height: 52rem;
  }
}

.ab-hero__media {
  position: absolute;
  inset: 0;
  z-index: -2;
  margin: 0;
}

.ab-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 30% 50%;
}

/* Keeps the left-aligned text readable over the image. */
.ab-hero__shade {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(to right, rgb(28 44 74 / 0.85), rgb(28 44 74 / 0.55) 38%, rgb(28 44 74 / 0) 70%),
    linear-gradient(to top, rgb(28 44 74 / 0.6), rgb(28 44 74 / 0) 45%);
}

[dir="rtl"] .ab-hero__shade {
  background:
    linear-gradient(to left, rgb(28 44 74 / 0.85), rgb(28 44 74 / 0.55) 38%, rgb(28 44 74 / 0) 70%),
    linear-gradient(to top, rgb(28 44 74 / 0.6), rgb(28 44 74 / 0) 45%);
}

.ab-hero__inner {
  display: grid;
  justify-items: start;
  gap: 1rem;
  padding-block: var(--space-xl) var(--space-md);
}

.ab-hero__eyebrow {
  color: var(--gindi-gold);
}

.ab-hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2.75rem, 1.4rem + 4.4vw, 5.75rem);
  font-weight: var(--fw-regular);
  line-height: 1.04;
  letter-spacing: var(--tracking-display);
  color: var(--gindi-ivory);
  text-wrap: balance;
}

:lang(ar) .ab-hero__title {
  line-height: 1.3;
}

.ab-hero__scroll {
  display: inline-flex;
  align-items: center;
  gap: 0.875rem;
  min-height: 2.75rem;
  margin-block-start: var(--space-md);
  color: var(--ivory-72);
  transition: color 180ms var(--ab-ease);
}

.ab-hero__scroll:hover {
  color: var(--gindi-ivory);
}

.ab-hero__scroll-line {
  width: 3rem;
  height: 1px;
  background: var(--gindi-gold);
}

/* Entrance, once on load (CSS, so it completes even if a script fails). */
@media (prefers-reduced-motion: no-preference) {
  .js .ab-hero__media img {
    animation: ab-img-in 1000ms var(--ab-ease) both;
  }

  .js .ab-hero__eyebrow {
    animation: ab-rise-12 450ms var(--ab-ease) 150ms both;
  }

  .js .ab-hero__title {
    animation: ab-rise-24 700ms var(--ab-ease) 250ms both;
  }

  .js .ab-hero__scroll {
    animation: ab-fade 450ms var(--ab-ease) 650ms both;
  }
}

@keyframes ab-img-in {
  from { opacity: 0; transform: scale(1.035); }
}

@keyframes ab-rise-12 {
  from { opacity: 0; transform: translateY(12px); }
}

@keyframes ab-rise-24 {
  from { opacity: 0; transform: translateY(24px); }
}

@keyframes ab-fade {
  from { opacity: 0; }
}

/* ---------- Chapters and the chapter line ---------- */
.ab-story {
  position: relative;
}

.ab-story__rail {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.ab-story__rail-box {
  position: relative;
  height: 100%;
}

.ab-line {
  position: absolute;
  inset-block: 0;
  inset-inline-start: calc(var(--gutter) + var(--rail-x));
  width: 1px;
}

.ab-line--base {
  background: rgb(156 118 70 / 0.35);
}

.ab-line--accent {
  background: var(--gindi-gold);
  transform: scaleY(0);
  transform-origin: top;
}

/* Reduced motion / no JS: the line simply shows, static. */
html:not(.ab-motion) .ab-line--accent {
  display: none;
}

.ab-chapter {
  padding-block: var(--space-xl);
  scroll-margin-top: 0;
}

.ab-chapter__wrap {
  position: relative;
}

/* The logo's keystone, on the line at the start of each chapter. */
.ab-marker {
  position: absolute;
  z-index: 2;
  inset-block-start: 0.125rem;
  inset-inline-start: calc(var(--gutter) + var(--rail-x) - 0.55rem);
  width: 1.1rem;
  height: 1.4rem;
  background: rgb(156 118 70 / 0.55);
  clip-path: polygon(0 0, 100% 0, 83% 100%, 17% 100%);
  opacity: 0.55;
  transition: opacity 200ms var(--ab-ease), background-color 200ms var(--ab-ease);
}

.ab-marker.is-active {
  background: var(--gindi-gold);
  opacity: 1;
}

.ab-chapter__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-md);
  margin-inline-start: var(--rail);
}

@media (min-width: 64rem) {
  .ab-chapter__grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: clamp(2.5rem, 5vw, 6rem);
    align-items: center;
  }

  .ab-chapter--reverse .ab-chapter__text {
    order: 2;
  }
}

.ab-chapter__text {
  display: grid;
  justify-items: start;
  gap: 1rem;
}

.ab-chapter__label {
  color: var(--muted);
}

.ab-eyebrow {
  color: var(--gindi-gold);
}

.ab-chapter__title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 1.5rem + 3.2vw, 4.5rem);
  font-weight: var(--fw-regular);
  line-height: 1.06;
  letter-spacing: var(--tracking-display);
  text-wrap: balance;
}

:lang(ar) .ab-chapter__title {
  line-height: 1.3;
}

.ab-chapter__lead {
  max-width: 30rem;
  font-size: var(--fs-lead);
  line-height: 1.6;
  color: var(--muted);
}

.ab-chapter__media {
  margin: 0;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: var(--placeholder-bg);
}

.ab-chapter__media img,
.ab-how__media img,
.ab-details__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Chapter 02: the four services, 2 × 2. */
.ab-services {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  width: 100%;
  max-width: 30rem;
  margin-block: 0.5rem;
  list-style: none;
}

.ab-service {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-height: 3.25rem;
  padding: 0.625rem 0.875rem;
  border: 1px solid var(--line);
  color: var(--fg);
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  transition: border-color 180ms var(--ab-ease), background-color 180ms var(--ab-ease);
}

.ab-service:hover {
  border-color: var(--gindi-gold);
  background-color: var(--navy-08);
}

.ab-service__icon {
  width: 1.5rem;
  height: 1.5rem;
  flex: none;
  color: var(--gindi-gold);
}

/* "Explore Our Services →" / "Chat on WhatsApp →": the arrow moves 4px. */
.ab-arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 2.75rem;
  color: var(--fg);
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  letter-spacing: 0.04em;
  background-image: linear-gradient(var(--gindi-gold), var(--gindi-gold));
  background-repeat: no-repeat;
  background-position: 0 85%;
  background-size: 100% 1px;
}

[dir="rtl"] .ab-arrow-link {
  background-position: 100% 85%;
}

.ab-arrow {
  display: inline-block;
  color: var(--gindi-gold);
  transition: transform 180ms var(--ab-ease);
}

[dir="rtl"] .ab-arrow {
  transform: scaleX(-1);
}

.ab-arrow-link:hover .ab-arrow,
.ab-arrow-link:focus-visible .ab-arrow {
  transform: translateX(4px);
}

[dir="rtl"] .ab-arrow-link:hover .ab-arrow,
[dir="rtl"] .ab-arrow-link:focus-visible .ab-arrow {
  transform: scaleX(-1) translateX(4px);
}

/* ---------- Chapter 03: How We Work ---------- */
.ab-how {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-lg);
  margin-inline-start: var(--rail);
}

@media (min-width: 48rem) {
  .ab-how {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

  .ab-how__head {
    grid-column: 1 / -1;
  }
}

@media (min-width: 72rem) {
  .ab-how {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr) minmax(0, 0.7fr);
    gap: clamp(2rem, 4vw, 4.5rem);
    align-items: start;
  }

  .ab-how__head {
    grid-column: auto;
  }
}

.ab-how__head {
  display: grid;
  justify-items: start;
  gap: 1rem;
}

.ab-how__title {
  font-size: clamp(2.25rem, 1.4rem + 2.6vw, 3.75rem);
}

.ab-timeline {
  position: relative;
  display: grid;
  gap: 1.75rem;
  list-style: none;
}

/* Base line through the dots: always visible, never animated. */
.ab-timeline::before {
  content: "";
  position: absolute;
  inset-block: 0.5rem 0.5rem;
  inset-inline-start: 0.375rem;
  width: 1px;
  background: var(--ivory-18);
}

.ab-step {
  position: relative;
  display: grid;
  grid-template-columns: 0.75rem minmax(0, 1fr);
  column-gap: 1.25rem;
}

.ab-step__dot {
  width: 0.75rem;
  height: 0.75rem;
  margin-block-start: 0.45rem;
  border: 1px solid var(--gindi-gold);
  border-radius: 50%;
  background: var(--gindi-navy);
}

.ab-step__title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: var(--fw-medium);
  line-height: 1.25;
}

.ab-step__num {
  margin-inline-end: 0.375rem;
  font-size: 0.8125rem;
  color: var(--gindi-gold);
}

.ab-step__text {
  margin-block-start: 0.25rem;
  color: var(--muted);
  line-height: 1.6;
}

.ab-how__note {
  margin-block-start: 1.75rem;
  font-size: 0.875rem;
  color: var(--muted);
}

.ab-how__media {
  margin: 0;
  aspect-ratio: 2 / 3;
  max-width: 24rem;
  overflow: hidden;
  background: var(--placeholder-bg);
}

/* ---------- Detail photography ---------- */
.ab-details {
  padding-block: var(--space-xl) var(--space-md);
}

.ab-details__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.5rem;
}

@media (min-width: 48rem) {
  .ab-details__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.ab-details__item {
  margin: 0;
  aspect-ratio: 2 / 1;
  overflow: hidden;
  background: var(--placeholder-bg);
}

.ab-details__caption {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-block-start: 1.25rem;
  font-family: var(--font-heading);
  font-size: 1.375rem;
  color: var(--fg);
}

.ab-details__line {
  width: 2.5rem;
  height: 1px;
  background: var(--gindi-gold);
}

/* ---------- Closing ---------- */
.ab-closing {
  padding-block: var(--space-lg) var(--space-xl);
}

.ab-closing__inner {
  display: grid;
  justify-items: center;
  gap: 1.5rem;
  text-align: center;
}

.ab-closing__mark {
  width: auto;
  height: 3rem;
  opacity: 0.85;
}

.ab-closing__title {
  font-family: var(--font-heading);
  font-size: clamp(2.25rem, 1.5rem + 2.6vw, 4rem);
  font-weight: var(--fw-regular);
  line-height: 1.1;
  text-wrap: balance;
}

.ab-closing__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1rem 2rem;
}

.ab-closing .btn--primary {
  transition: background-color 180ms var(--ab-ease), border-color 180ms var(--ab-ease), color 180ms var(--ab-ease);
}

/* ---------- Reveals (only with html.ab-motion; see the top of the file) ---------- */
.ab-motion .rv {
  opacity: 0;
  transform: translateY(var(--rv-y, 0));
  transition:
    opacity var(--rv-d, 450ms) var(--ab-ease) var(--rv-delay, 0ms),
    transform var(--rv-d, 450ms) var(--ab-ease) var(--rv-delay, 0ms);
}

.ab-motion .is-revealed .rv {
  opacity: 1;
  transform: none;
}

.rv--sm { --rv-y: 12px; --rv-d: 450ms; }
.rv--head { --rv-y: 20px; --rv-d: 600ms; --rv-delay: 80ms; }
.rv--text { --rv-y: 20px; --rv-d: 600ms; --rv-delay: 160ms; }
.rv--img { --rv-y: 24px; --rv-d: 750ms; --rv-delay: 100ms; }
.rv--item { --rv-y: 10px; --rv-d: 400ms; --rv-delay: calc(200ms + var(--i, 0) * 70ms); }
.rv--portrait { --rv-y: 20px; --rv-d: 700ms; --rv-delay: 100ms; }
.rv--detail { --rv-y: 18px; --rv-d: 650ms; --rv-delay: calc(var(--i, 0) * 100ms); }
.rv--caption { --rv-y: 0; --rv-d: 400ms; --rv-delay: 100ms; }
.rv--closing { --rv-y: 16px; --rv-d: 550ms; }
.rv--buttons { --rv-y: 0; --rv-d: 400ms; --rv-delay: 120ms; }

/* Timeline steps: each on its own, staggered when several arrive together. */
.ab-motion .ab-step .ab-step__body {
  opacity: 0;
  transform: translateY(14px);
  transition:
    opacity 450ms var(--ab-ease) var(--step-delay, 0ms),
    transform 450ms var(--ab-ease) var(--step-delay, 0ms);
}

.ab-motion .ab-step .ab-step__dot {
  opacity: 0;
  transform: scale(0.8);
  transition:
    opacity 250ms var(--ab-ease) var(--step-delay, 0ms),
    transform 250ms var(--ab-ease) var(--step-delay, 0ms);
}

.ab-motion .ab-step.is-revealed .ab-step__body,
.ab-motion .ab-step.is-revealed .ab-step__dot {
  opacity: 1;
  transform: none;
}

/* ---------- Smaller screens ---------- */
@media (max-width: 48rem) {
  .ab-hero,
  .ab-story,
  .ab-details,
  .ab-closing {
    --rail: 2rem;
    --rail-x: 0.5rem;
  }

  .ab-chapter {
    padding-block: var(--space-lg);
  }

  .ab-how__media {
    max-width: none;
    aspect-ratio: 4 / 5;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ab-marker,
  .ab-arrow,
  .ab-service,
  .ab-hero__scroll {
    transition: none;
  }
}