/* ============================================================
   SPARK Logistics — Base: reset, typography, buttons, utilities
   Built on logical properties for RTL readiness.
   ============================================================ */

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

* {
  margin: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-block-start: calc(var(--header-h) + 1rem);
}

body {
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--color-text);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100dvh;
  overflow-x: clip;
}

body.nav-locked {
  overflow: hidden;
}

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

img {
  height: auto;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

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

a {
  color: var(--color-primary);
  text-decoration-thickness: from-font;
  text-underline-offset: 0.2em;
}

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

li::marker {
  content: "";
}

h1,
h2,
h3,
h4 {
  line-height: var(--lh-tight);
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.015em;
  text-wrap: balance;
}

p {
  text-wrap: pretty;
}

:focus-visible {
  outline: 3px solid var(--color-secondary);
  outline-offset: 3px;
  border-radius: 2px;
}

::selection {
  background: var(--color-primary);
  color: var(--color-white);
}

/* ---------------------------------------------------------- skip link */
.skip-link {
  position: fixed;
  inset-block-start: 0.75rem;
  inset-inline-start: 0.75rem;
  z-index: calc(var(--z-toast) + 1);
  padding: 0.8em 1.4em;
  background: var(--color-navy);
  color: var(--color-white);
  border-radius: var(--radius-sm);
  font-weight: 700;
  text-decoration: none;
  transform: translateY(-200%);
  transition: transform var(--dur-fast) var(--ease-out);
}

.skip-link:focus-visible {
  transform: translateY(0);
}

/* ----------------------------------------------------------- layout */
.container {
  width: min(var(--container), 100% - var(--gutter) * 2);
  margin-inline: auto;
}

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

.section--dark {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0)) ,
    var(--color-navy);
  color: var(--color-text-inverse-muted);
}

.section--tint {
  background: var(--color-off-white);
}

/* Blueprint grid texture used by dark industrial sections */
.blueprint-grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: clamp(48px, 6vw, 88px) clamp(48px, 6vw, 88px);
  mask-image: radial-gradient(ellipse 90% 80% at 50% 40%, black 30%, transparent 78%);
}

.section--light .blueprint-grid {
  background-image:
    linear-gradient(to right, rgba(15, 62, 117, 0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(15, 62, 117, 0.06) 1px, transparent 1px);
}

/* ------------------------------------------------------- section head */
.section-head {
  max-width: 56rem;
  margin-block-end: clamp(2.5rem, 5vw, 4.5rem);
}

.section-head--center {
  margin-inline: auto;
  text-align: center;
}

.section-head h2 {
  font-size: var(--fs-h2);
  margin-block-start: 0.9rem;
}

.section-head .section-desc {
  margin-block-start: 1.25rem;
  font-size: var(--fs-lead);
  color: var(--color-text-muted);
  max-width: 46rem;
}

.section-head--center .section-desc {
  margin-inline: auto;
}

.on-dark h2,
.section--dark h2 {
  color: var(--color-white);
}

.on-dark .section-desc,
.section--dark .section-desc {
  color: var(--color-text-inverse-muted);
}

/* Eyebrow label */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: var(--fs-eyebrow);
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-secondary);
}

html[lang="ar"] .eyebrow {
  letter-spacing: 0;
}

.eyebrow::before {
  content: "";
  inline-size: 2.25rem;
  block-size: 2px;
  background: currentColor;
  flex: none;
}

.eyebrow--bare::before {
  display: none;
}

/* ------------------------------------------------------------- buttons */
.btn {
  --btn-bg: var(--color-primary);
  --btn-fg: var(--color-white);
  --btn-slide: var(--color-primary-deep);
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  padding: 1.02em 1.7em;
  border-radius: var(--radius-sm);
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-weight: 700;
  font-size: 0.95rem;
  line-height: 1.15;
  letter-spacing: 0.02em;
  text-decoration: none;
  isolation: isolate;
  overflow: hidden;
  max-inline-size: 100%;
  white-space: normal;
  transition:
    transform var(--dur-fast) var(--ease-out),
    box-shadow var(--dur-fast) var(--ease-out),
    background-color var(--dur-fast) var(--ease-out);
}

.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--btn-slide);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-med) var(--ease-out);
}

html[dir="rtl"] .btn::before {
  transform-origin: right;
}

.btn:hover,
.btn:focus-visible {
  box-shadow: 0 14px 28px -14px rgba(7, 28, 51, 0.45);
}

.btn:hover::before,
.btn:focus-visible::before {
  transform: scaleX(1);
}

.btn:active {
  transform: scale(0.985);
}

.btn .btn-arrow {
  flex: none;
  inline-size: 1.05em;
  block-size: 1.05em;
  transition: translate var(--dur-med) var(--ease-out);
  translate: 0 0;
}

.btn:hover .btn-arrow {
  translate: 0.3em 0;
}

html[dir="rtl"] .btn:hover .btn-arrow {
  translate: -0.3em 0;
}

html[dir="rtl"] .directional-icon {
  transform: scaleX(-1);
}

/* Accent (green) — used sparingly for the dominant commercial CTA */
.btn--accent {
  --btn-bg: var(--color-secondary);
  --btn-fg: var(--color-white);
  --btn-slide: var(--color-secondary-dark);
}

/* Ghost / inverse variants */
.btn--ghost {
  --btn-bg: transparent;
  --btn-fg: var(--color-primary);
  --btn-slide: rgba(15, 62, 117, 0.08);
  box-shadow: inset 0 0 0 2px var(--color-line);
}

.btn--ghost-inverse {
  --btn-bg: transparent;
  --btn-fg: var(--color-white);
  --btn-slide: rgba(255, 255, 255, 0.12);
  box-shadow: inset 0 0 0 2px var(--color-line-inverse);
}

.btn--lg {
  padding: 1.18em 2.2em;
  font-size: 1rem;
  border-radius: var(--radius-md);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  color: var(--color-secondary);
  text-decoration: none;
}

.text-link .btn-arrow {
  inline-size: 1em;
  block-size: 1em;
  transition: translate var(--dur-med) var(--ease-out);
}

.text-link:hover .btn-arrow,
.text-link:focus-visible .btn-arrow {
  translate: 0.3em 0;
}

html[dir="rtl"] .text-link:hover .btn-arrow {
  translate: -0.3em 0;
}

/* --------------------------------------------------------------- icons */
.icon {
  inline-size: 1.5rem;
  block-size: 1.5rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex: none;
}

.icon--sm {
  inline-size: 1.1rem;
  block-size: 1.1rem;
}

/* ------------------------------------------------------ media & video */
.media-frame {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  background: var(--color-navy);
}

.media-frame > img,
.media-frame > video {
  position: absolute;
  inset: 0;
  inline-size: 100%;
  block-size: 100%;
  object-fit: cover;
}

.video-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(
    to top,
    rgba(7, 28, 51, 0.92) 0%,
    rgba(7, 28, 51, 0.55) 55%,
    rgba(7, 28, 51, 0.35) 100%
  );
}

.video-overlay--flat {
  background: rgba(7, 28, 51, 0.72);
}

/* Animated fallback shown while placeholder videos are absent */
.video-fallback {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0;
  transition: opacity var(--dur-slow) ease;
}

.media-frame.no-video .video-fallback {
  opacity: 1;
}

.video-fallback img {
  position: absolute;
  inset: 0;
  inline-size: 100%;
  block-size: 100%;
  object-fit: cover;
}

.video-fallback::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, transparent 42%, rgba(130, 186, 64, 0.08) 50%, transparent 58%);
  background-size: 300% 100%;
  animation: sheen 9s linear infinite;
}

@keyframes sheen {
  from { background-position: 120% 0; }
  to { background-position: -60% 0; }
}

/* ------------------------------------------------------------- chips */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.35em 0.9em;
  border-radius: 99px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.chip--ops {
  background: rgba(130, 186, 64, 0.16);
  color: var(--color-secondary);
}

.chip--planned {
  background: transparent;
  color: var(--color-secondary);
  box-shadow: inset 0 0 0 1.5px var(--color-secondary);
}

html[lang="ar"] .chip {
  letter-spacing: 0;
}

/* -------------------------------------------------------------- toast */
.toast {
  position: fixed;
  inset-block-end: 1.5rem;
  inset-inline: 0;
  margin-inline: auto;
  z-index: var(--z-toast);
  width: fit-content;
  max-width: calc(100vw - 2rem);
  padding: 0.9em 1.5em;
  background: var(--color-navy);
  color: var(--color-white);
  border-radius: 99px;
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: 0 18px 40px -16px rgba(7, 28, 51, 0.5);
  opacity: 0;
  translate: 0 12px;
  visibility: hidden;
  transition:
    opacity var(--dur-med) var(--ease-out),
    translate var(--dur-med) var(--ease-out),
    visibility 0s linear var(--dur-med);
}

.toast.is-visible {
  opacity: 1;
  translate: 0 0;
  visibility: visible;
  transition-delay: 0s;
}

/* -------------------------------------------------- visually hidden */
.visually-hidden-h1,
.visually-hidden-dt,
.visually-hidden-cap {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

[hidden] {
  display: none;
}

/* --------------------------------------------- very narrow devices */
@media (max-width: 380px) {
  :root {
    --gutter: 1.05rem;
  }

  .section-head .section-desc { font-size: 1rem; }

  .fact-number { font-size: clamp(1.9rem, 8vw, 2.4rem); }

  .eyebrow { letter-spacing: 0.16em; }

  html[lang="ar"] .eyebrow { letter-spacing: 0; }
}

/* ---------------------------------------------------- reduced motion */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}