/* Gindi Innovations — base: reset, themes, typography, shared components */

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: var(--header-h);
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--gindi-ivory);
  color: var(--gindi-navy);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  font-weight: var(--fw-regular);
  line-height: var(--lh-body);
  font-variant-numeric: lining-nums;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: clip;
}

body.is-menu-open {
  overflow: hidden;
}

h1,
h2,
h3,
h4,
p,
ul,
ol,
dl,
dd,
figure,
blockquote {
  margin: 0;
}

ul,
ol {
  padding: 0;
  list-style: none;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

em {
  font-style: italic;
}

:lang(ar) em {
  font-style: normal;
}

/* ---------- Colour themes (set per section) ---------- */
.theme-dark {
  --bg: var(--gindi-navy);
  --fg: var(--gindi-ivory);
  --muted: var(--ivory-72);
  --line: var(--ivory-18);
  --line-soft: var(--ivory-10);
  --accent: var(--gindi-gold);
  --label: var(--gindi-gold);
  --focus: var(--gindi-yellow);
  --placeholder-bg: color-mix(in srgb, var(--gindi-navy) 92%, var(--gindi-ivory));
  background-color: var(--bg);
  color: var(--fg);
}

.theme-light {
  --bg: var(--gindi-ivory);
  --fg: var(--gindi-navy);
  --muted: var(--navy-75);
  --line: var(--navy-15);
  --line-soft: var(--navy-08);
  --accent: var(--gindi-gold);
  --label: var(--gindi-navy);
  --focus: var(--gindi-navy);
  --placeholder-bg: color-mix(in srgb, var(--gindi-ivory) 92%, var(--gindi-navy));
  background-color: var(--bg);
  color: var(--fg);
}

/* ---------- Focus ---------- */
:focus-visible {
  outline: 2px solid var(--focus, var(--gindi-navy));
  outline-offset: 4px;
}

/* ---------- Accessibility helpers ---------- */
.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  inset-block-start: 1rem;
  inset-inline-start: 1rem;
  z-index: 100;
  padding: 0.75rem 1.25rem;
  background: var(--gindi-ivory);
  color: var(--gindi-navy);
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  transform: translateY(-200%);
}

.skip-link:focus {
  transform: none;
  outline-color: var(--gindi-navy);
}

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--grid-gap);
}

.section {
  position: relative;
  padding-block: var(--space-section);
}

/* ---------- Typography ---------- */
.display,
.heading {
  font-family: var(--font-heading);
  font-weight: var(--fw-light);
  letter-spacing: var(--tracking-display);
  text-wrap: balance;
}

.display {
  font-size: var(--fs-display);
  line-height: var(--lh-display);
}

.heading {
  font-size: var(--fs-h2);
  line-height: var(--lh-heading);
}

:lang(ar) .display,
:lang(ar) .heading {
  font-weight: var(--fw-regular);
}

.lead {
  font-size: var(--fs-lead);
  line-height: 1.6;
  color: var(--muted);
  max-width: 36rem;
  text-wrap: pretty;
}

.label {
  font-family: var(--font-sans);
  font-size: var(--fs-label);
  font-weight: var(--fw-medium);
  line-height: 1.4;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
}

:lang(ar) .label {
  text-transform: none;
  font-weight: var(--fw-regular);
}

/* Numbers always render as Western digits (123), with even widths. */
.num {
  font-family: var(--font-sans);
  font-variant-numeric: lining-nums tabular-nums;
  letter-spacing: 0.08em;
  unicode-bidi: isolate;
}

/* ---------- Keystone mark (from the monogram's top cutout) ---------- */
.keystone {
  display: inline-block;
  flex: none;
  width: 0.75rem;
  height: 0.6rem;
  background: var(--accent);
  clip-path: polygon(0 0, 100% 0, 80% 100%, 20% 100%);
}

/* ---------- Eyebrow: "01 ◆ Projects" ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.875rem;
  color: var(--label);
}

.eyebrow .num {
  color: var(--muted);
}

/* ---------- Section head ---------- */
.section-head {
  display: grid;
  gap: var(--space-md);
  margin-block-end: var(--space-xl);
}

.section-head__rule {
  display: block;
  height: 1px;
  background: var(--line);
  transform-origin: center;
}

.section-head__body {
  display: grid;
  gap: 1.25rem;
  max-width: 48rem;
}

.section-head__intro {
  color: var(--muted);
  max-width: 34rem;
}

/* ---------- Buttons and links ---------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  min-height: 3.25rem;
  padding: 0.875rem 1.75rem;
  font-family: var(--font-sans);
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  letter-spacing: 0.06em;
  border: 1px solid transparent;
  transition:
    background-color var(--dur-base) var(--ease-out),
    color var(--dur-base) var(--ease-out),
    border-color var(--dur-base) var(--ease-out);
}

:lang(ar) .btn {
  letter-spacing: 0;
  font-size: 1rem;
}

/* On dark: gold fill, navy text (4.7:1); hover brightens to yellow (9.1:1). */
.theme-dark .btn--primary {
  background: var(--gindi-gold);
  color: var(--gindi-navy);
}

.theme-dark .btn--primary:hover {
  background: var(--gindi-yellow);
}

.theme-light .btn--primary {
  background: var(--gindi-navy);
  color: var(--gindi-ivory);
}

.theme-light .btn--primary:hover {
  background: color-mix(in srgb, var(--gindi-navy) 86%, var(--gindi-ivory));
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding-block: 0.5rem;
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  letter-spacing: 0.04em;
  background: linear-gradient(currentColor, currentColor) no-repeat;
  background-size: 0% 1px;
  background-position: 0 100%;
  transition: background-size var(--dur-base) var(--ease-out);
}

[dir="rtl"] .link-arrow {
  background-position: 100% 100%;
  letter-spacing: 0;
}

.link-arrow:hover {
  background-size: 100% 1px;
}

.link-arrow__icon {
  width: 1.25rem;
  height: 0.75rem;
  transition: transform var(--dur-base) var(--ease-out);
}

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

.link-arrow:hover .link-arrow__icon {
  transform: translateX(0.25rem);
}

[dir="rtl"] .link-arrow:hover .link-arrow__icon {
  transform: scaleX(-1) translateX(0.25rem);
}

/* ---------- Media + image placeholders ---------- */
.media {
  position: relative;
  overflow: hidden;
  background: var(--placeholder-bg);
  aspect-ratio: var(--ratio, 3 / 2);
}

.media--landscape { --ratio: 3 / 2; }
.media--portrait { --ratio: 4 / 5; }
.media--tall { --ratio: 3 / 4; }
.media--wide { --ratio: 16 / 9; }

.media > img,
.media > .placeholder {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.media > img {
  object-fit: cover;
}

/* Arch crop echoing the monogram: a semicircular top. */
.media--arch {
  container-type: inline-size;
  background: none;
}

.media--arch > img,
.media--arch > .placeholder {
  border-radius: 50cqi 50cqi 0 0;
}

.media--arch > .placeholder {
  background: var(--placeholder-bg);
}

.placeholder {
  color: var(--fg);
  overflow: hidden;
}

.placeholder__art {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  color: var(--fg);
  opacity: 0.55;
}

.placeholder__label {
  position: absolute;
  inset-block-end: 0;
  inset-inline-start: 0;
  display: grid;
  gap: 0.25rem;
  padding: 1rem 1.25rem;
  font-size: 0.8125rem;
  line-height: 1.45;
  color: var(--muted);
}

.media--arch .placeholder__label {
  inset-inline: 0;
  justify-items: center;
  text-align: center;
}

.placeholder__kind {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--fg);
}

.placeholder__kind::before {
  content: "";
  width: 0.5rem;
  height: 0.5rem;
  border: 1px solid currentColor;
}

/* "Illustrative image" tag on temporary photography (always shown). */
.media__tag {
  position: absolute;
  inset-block-end: 0.75rem;
  inset-inline-start: 0.75rem;
  z-index: 1;
  padding: 0.25rem 0.625rem;
  background: rgb(28 44 74 / 0.78);
  color: var(--gindi-ivory);
  font-size: 0.6875rem;
  font-weight: var(--fw-medium);
  letter-spacing: 0.12em;
  line-height: 1.5;
  text-transform: uppercase;
}

:lang(ar) .media__tag {
  font-size: 0.8125rem;
  letter-spacing: 0;
}

.media--arch .media__tag {
  inset-inline-start: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
}

[dir="rtl"] .media--arch .media__tag {
  transform: translateX(50%);
}