/* ==========================================================================
   components.css — Shared, reusable UI components
   --------------------------------------------------------------------------
   Buttons, header/nav, mobile menu overlay, footer, glass cards, and the
   base state for GSAP scroll reveals. All directional rules are logical.
   ========================================================================== */

/* ==========================================================================
   1. BUTTONS (per §C — generous padding, rounded, subtle hover)
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xs);
  padding-block: 0.85rem;
  padding-inline: 1.75rem;
  font-family: var(--font-primary);
  font-size: var(--fs-body);
  font-weight: var(--fw-bold);
  line-height: 1;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition:
    transform var(--dur-fast) var(--ease-out),
    box-shadow var(--dur-fast) var(--ease-out),
    background-color var(--dur-fast) var(--ease-out),
    color var(--dur-fast) var(--ease-out);
  will-change: transform;
}

.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

/* Primary CTA — coral accent (reserved for the main action) */
.btn--primary {
  background-color: var(--color-accent);
  color: #fff;
  box-shadow: var(--shadow-accent);
}
.btn--primary:hover {
  background-color: var(--color-accent-600);
  box-shadow: 0 18px 40px rgba(242, 132, 130, 0.4);
}

/* Secondary — calm outline on light surfaces */
.btn--secondary {
  background-color: transparent;
  color: var(--color-primary);
  box-shadow: inset 0 0 0 2px var(--color-border-strong);
}
.btn--secondary:hover {
  box-shadow: inset 0 0 0 2px var(--color-primary);
  background-color: rgba(30, 32, 83, 0.04);
}

/* Ghost on dark surfaces */
.btn--on-dark {
  background-color: rgba(255, 255, 255, 0.08);
  color: var(--color-on-dark);
  box-shadow: inset 0 0 0 1.5px rgba(255, 255, 255, 0.35);
}
.btn--on-dark:hover {
  background-color: rgba(255, 255, 255, 0.16);
}

.btn--lg {
  padding-block: 1.05rem;
  padding-inline: 2.25rem;
  font-size: var(--fs-lead);
}

/* Arrow glyph inside buttons flips automatically because we use a logical
   transform reference; the glyph itself is mirrored via [dir] in main.js-free
   CSS below. */
.btn__arrow {
  display: inline-block;
  transition: transform var(--dur-fast) var(--ease-out);
}
.btn:hover .btn__arrow { transform: translateX(-4px); }      /* RTL: moves toward start */
[dir="ltr"] .btn:hover .btn__arrow { transform: translateX(4px); }

/* ==========================================================================
   2. SITE HEADER & NAVIGATION (glassmorphism, sticky)
   ========================================================================== */
.site-header {
  position: sticky;
  inset-block-start: 0;
  z-index: var(--z-header);
  background-color: var(--glass-bg);
  -webkit-backdrop-filter: blur(var(--glass-blur));
  backdrop-filter: blur(var(--glass-blur));
  border-block-end: 1px solid var(--color-border);
  transition: box-shadow var(--dur) var(--ease-out), background-color var(--dur) var(--ease-out);
}
.site-header.is-scrolled {
  box-shadow: var(--shadow-soft);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  block-size: 76px;
}

.nav__logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  flex-shrink: 0;
}
.nav__logo img {
  block-size: 44px;
  inline-size: auto;
}

/* Desktop link list */
.nav__menu {
  display: none;
  align-items: center;
  gap: clamp(1rem, 0.5rem + 1.4vw, 2rem);
}
.nav__link {
  position: relative;
  font-weight: var(--fw-semibold);
  font-size: 0.98rem;
  color: var(--color-heading);
  padding-block: 0.4rem;
  transition: color var(--dur-fast) var(--ease-out);
}
.nav__link::after {
  content: "";
  position: absolute;
  inset-block-end: 0;
  inset-inline-start: 0;
  inline-size: 0;
  block-size: 2px;
  background-color: var(--color-accent);
  border-radius: var(--radius-pill);
  transition: inline-size var(--dur) var(--ease-out);
}
.nav__link:hover { color: var(--color-primary); }
.nav__link:hover::after,
.nav__link.is-active::after { inline-size: 100%; }

.nav__actions {
  display: none;
  align-items: center;
  gap: var(--space-sm);
}

/* Language toggle (RTL Arabic ⇄ future LTR English) */
.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding-block: 0.5rem;
  padding-inline: 0.9rem;
  border-radius: var(--radius-pill);
  font-weight: var(--fw-bold);
  font-size: 0.85rem;
  color: var(--color-primary);
  box-shadow: inset 0 0 0 1.5px var(--color-border-strong);
  transition: background-color var(--dur-fast) var(--ease-out);
}
.lang-toggle:hover { background-color: rgba(30, 32, 83, 0.05); }

/* ==========================================================================
   3. MOBILE NAV — hamburger with state transition + overlay menu
   ========================================================================== */
.nav__toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  inline-size: 44px;
  block-size: 44px;
  border-radius: var(--radius-sm);
  color: var(--color-primary);
  transition: background-color var(--dur-fast) var(--ease-out);
}
.nav__toggle:hover { background-color: rgba(30, 32, 83, 0.05); }
.nav__toggle-icon { display: block; }

/* Full-screen accessible overlay menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: var(--z-menu);
  display: flex;
  flex-direction: column;
  padding: var(--space-xl) var(--gutter);
  background: var(--grad-soft-lavender);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  transform: translateX(100%);          /* Off-canvas toward inline-end (RTL: right) */
  visibility: hidden;
  transition: transform var(--dur-slow) var(--ease-out), visibility 0s linear var(--dur-slow);
}
[dir="ltr"] .mobile-menu { transform: translateX(-100%); }
.mobile-menu.is-open {
  transform: translateX(0);
  visibility: visible;
  transition: transform var(--dur-slow) var(--ease-out), visibility 0s;
}
.mobile-menu__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-block-end: var(--space-2xl);
}
.mobile-menu__logo {
  block-size: 44px;
  inline-size: auto;
}
.nav__toggle--close { color: var(--color-primary); }
.mobile-menu__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}
.mobile-menu__link {
  font-size: var(--fs-h3);
  font-weight: var(--fw-bold);
  color: var(--color-heading);
}
.mobile-menu__link:hover { color: var(--color-accent); }
.mobile-menu__footer {
  margin-block-start: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

/* Lock body scroll when menu is open */
body.no-scroll { overflow: hidden; }

/* ==========================================================================
   4. GLASS / SURFACE CARD primitive
   ========================================================================== */
.card {
  position: relative;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  padding: clamp(1.5rem, 1rem + 1.5vw, 2.25rem);
  transition: transform var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out);
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-raised);
}

/* ==========================================================================
   5. SITE FOOTER
   ========================================================================== */
.site-footer {
  position: relative;
  background: var(--grad-deep);
  color: var(--color-on-dark-muted);
  padding-block: var(--space-2xl) var(--space-xl);
  overflow: hidden;
}
.footer__grid {
  display: grid;
  gap: var(--space-xl);
  grid-template-columns: 1fr;
}
@media (min-width: 768px) {
  .footer__grid { grid-template-columns: 1.4fr 1fr 1fr; }
}
.footer__brand img {
  block-size: 52px;
  inline-size: auto;
  margin-block-end: var(--space-sm);
  /* Render the logo in pure white on the dark footer surface */
  filter: brightness(0) invert(1);
}
.footer__tagline {
  max-inline-size: 38ch;
  line-height: var(--lh-body);
}
.footer__title {
  color: var(--color-on-dark);
  font-size: var(--fs-h4);
  font-weight: var(--fw-bold);
  margin-block-end: var(--space-sm);
}
.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xs);
}
.footer__links a {
  color: var(--color-on-dark-muted);
  transition: color var(--dur-fast) var(--ease-out);
  inline-size: fit-content;
}
.footer__links a:hover { color: var(--color-accent); }
.footer__social {
  display: flex;
  gap: var(--space-xs);
  margin-block-start: var(--space-sm);
}
.footer__social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  inline-size: 42px;
  block-size: 42px;
  border-radius: var(--radius-pill);
  background-color: rgba(255, 255, 255, 0.08);
  color: var(--color-on-dark);
  transition: background-color var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}
.footer__social a:hover {
  background-color: var(--color-accent);
  transform: translateY(-3px);
}
.footer__bottom {
  margin-block-start: var(--space-2xl);
  padding-block-start: var(--space-md);
  border-block-start: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: space-between;
  font-size: var(--fs-small);
}

/* ==========================================================================
   6. SCROLL-REVEAL BASE STATE
   --------------------------------------------------------------------------
   Elements marked [data-reveal] start hidden; GSAP animates them in. If JS
   fails or reduced-motion is set, a fallback makes them visible.
   ========================================================================== */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
}
.no-js [data-reveal],
.reveal-ready [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; }
}

/* Desktop breakpoint — show full nav, hide mobile trigger */
@media (min-width: 920px) {
  .nav__menu,
  .nav__actions { display: flex; }
  .nav__toggle { display: none; }
}