/* Layout: header, footer, sections, containers */
.container {
  width: min(100% - var(--space-xl), var(--max-w));
  margin-inline: auto;
  padding-inline: var(--space-md);
}

.section {
  padding-block: var(--space-3xl);
  position: relative;
}

.section--tight {
  padding-block: var(--space-2xl);
}

.section--surface {
  background: var(--color-surface-elevated);
}

.section__head {
  text-align: center;
  max-width: 40rem;
  margin-inline: auto;
  margin-bottom: var(--space-2xl);
}

.section__label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-brand-accent);
  margin-bottom: var(--space-sm);
}

.section__title {
  margin: 0;
}

.section__lead {
  margin-top: var(--space-md);
  font-size: 1.05rem;
}

/* Top bar */
.topbar {
  background: var(--color-brand-primary-dark);
  color: rgba(255, 255, 255, 0.92);
  font-size: 0.8125rem;
  min-height: var(--topbar-h);
  display: flex;
  align-items: center;
}

.topbar .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-md) var(--space-xl);
  padding-block: var(--space-sm);
}

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

.topbar a:hover {
  color: var(--color-brand-accent);
}

.topbar__contacts {
  display: inline-flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  align-items: center;
}

/* Site header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 900;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  min-height: var(--header-h);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  min-height: var(--header-h);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  text-decoration: none;
  color: var(--color-text);
  font-weight: 700;
}

.logo:hover {
  color: var(--color-teal);
}

/* Full wordmark PNGs (Arabic / English) — one visible per html[lang] */
.logo--full .logo__mark--ar,
.logo--full .logo__mark--en {
  display: block;
  height: 46px;
  width: auto;
  max-width: min(300px, 56vw);
  object-fit: contain;
  flex-shrink: 0;
  transition: transform var(--transition-base), filter var(--transition-base);
}

html[lang="ar"] .logo__mark--en {
  display: none !important;
}

html[lang="en"] .logo__mark--ar {
  display: none !important;
}

.logo--full:hover .logo__mark--ar,
.logo--full:hover .logo__mark--en {
  transform: scale(1.03);
  filter: drop-shadow(0 8px 20px rgba(6, 182, 212, 0.28));
}

@media (max-width: 480px) {
  .logo--full .logo__mark--ar,
  .logo--full .logo__mark--en {
    height: 38px;
    max-width: min(240px, 62vw);
  }
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.nav__link {
  display: block;
  padding: var(--space-sm) var(--space-md);
  color: var(--color-text);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  transition:
    background var(--transition-fast),
    color var(--transition-fast);
}

.nav__link:hover,
.nav__link[aria-current="page"] {
  background: rgba(13, 148, 136, 0.1);
  color: var(--color-teal);
}

.nav__cta--mobile {
  display: none;
}

.nav__cta--desktop {
  display: none;
}

@media (min-width: 961px) {
  .nav__cta--mobile {
    display: none !important;
  }

  .nav__cta--desktop {
    display: inline-flex !important;
  }
}

@media (max-width: 960px) {
  .nav__cta--desktop {
    display: none !important;
  }

  .nav__cta--mobile {
    display: inline-flex !important;
  }
}

.nav__toggle {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface-elevated);
  cursor: pointer;
  padding: 0;
}

.nav__toggle-bar {
  display: block;
  width: 1.25rem;
  height: 2px;
  background: var(--color-navy);
  position: relative;
  transition: transform var(--transition-base);
}

.nav__toggle-bar::before,
.nav__toggle-bar::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  height: 2px;
  background: inherit;
  transition: transform var(--transition-base);
}

.nav__toggle-bar::before {
  top: -6px;
}

.nav__toggle-bar::after {
  top: 6px;
}

.nav__panel[hidden] {
  display: none !important;
}

/* ── Mobile nav toggle button ── */
@media (max-width: 960px) {
  .nav__toggle {
    display: flex;
  }

  /* ── Full-screen mobile menu overlay ── */
  .nav__list-wrap {
    position: fixed;
    inset: 0;
    background:
      radial-gradient(ellipse 70% 55% at 15% 20%, rgba(6, 182, 212, 0.12) 0%, transparent 55%),
      radial-gradient(ellipse 55% 45% at 85% 80%, rgba(13, 148, 136, 0.1) 0%, transparent 50%),
      linear-gradient(160deg, #060c16 0%, #0b1525 55%, #091820 100%);
    padding: var(--space-2xl) var(--space-xl);
    /* RTL Arabic: slide in from right side */
    transform: translateX(100%);
    transition: transform 0.42s cubic-bezier(0.22, 1, 0.36, 1),
                opacity 0.42s cubic-bezier(0.22, 1, 0.36, 1);
    opacity: 0;
    overflow-y: auto;
    z-index: 1100;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: stretch;
    pointer-events: none;
  }

  html[dir="ltr"] .nav__list-wrap {
    transform: translateX(-100%);
  }

  .nav__list-wrap.is-open {
    transform: translateX(0) !important;
    opacity: 1 !important;
    pointer-events: auto;
  }

  /* Nav list: vertical stacked */
  .nav__list-wrap .nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin-bottom: var(--space-2xl);
  }

  /* Each nav link */
  .nav__list-wrap .nav__link {
    display: flex;
    align-items: center;
    padding: var(--space-lg) var(--space-md);
    color: rgba(255, 255, 255, 0.85) !important;
    font-size: clamp(1.15rem, 4.5vw, 1.35rem);
    font-weight: 600;
    font-family: "Reem Kufi", "Noto Kufi Arabic", system-ui, sans-serif;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: 0;
    background: transparent;
    transition: color 0.2s ease, padding-inline-start 0.2s ease, background 0.2s ease;
    position: relative;
  }

  html[lang="en"] .nav__list-wrap .nav__link {
    font-family: var(--font-en);
  }

  .nav__list-wrap .nav__link::before {
    content: "";
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-cyan);
    margin-inline-end: var(--space-md);
    opacity: 0;
    transform: scale(0);
    transition: opacity 0.2s ease, transform 0.2s ease;
    flex-shrink: 0;
  }

  .nav__list-wrap .nav__link:hover,
  .nav__list-wrap .nav__link[aria-current="page"] {
    color: #fff !important;
    background: rgba(6, 182, 212, 0.07);
    border-radius: var(--radius-md);
    padding-inline-start: var(--space-lg);
  }

  .nav__list-wrap .nav__link:hover::before,
  .nav__list-wrap .nav__link[aria-current="page"]::before {
    opacity: 1;
    transform: scale(1);
  }

  .nav__list-wrap .nav__link[aria-current="page"] {
    color: var(--color-cyan) !important;
  }

  .nav__list-wrap .nav__list li:first-child .nav__link {
    border-top: 1px solid rgba(255, 255, 255, 0.07);
  }

  /* Mobile CTA inside panel */
  .nav__cta--mobile {
    display: inline-flex !important;
    margin-top: var(--space-xl);
    align-self: flex-start;
    background: linear-gradient(135deg, var(--color-teal), var(--color-cyan)) !important;
    color: #fff !important;
    padding: var(--space-md) var(--space-2xl) !important;
    border-radius: var(--radius-full) !important;
    font-size: 1.05rem !important;
    font-weight: 700 !important;
    box-shadow: 0 8px 28px rgba(6, 182, 212, 0.35) !important;
    border: none !important;
  }

  .nav__cta--mobile:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 36px rgba(6, 182, 212, 0.45) !important;
  }
}

/* ── Desktop: panel is inside <nav> in normal flow ── */
@media (min-width: 961px) {
  /* Hide mobile-only elements */
  .nav__panel-header,
  .nav__panel-footer,
  .nav__close,
  .nav__cta--mobile {
    display: none !important;
  }
}

/* ── Body scroll lock when nav is open ── */
body.nav-open {
  overflow: hidden;
}

/* ── Panel header (brand + close btn) ── */
.nav__panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-2xl);
}

.nav__panel-brand {
  font-family: "Reem Kufi", "Noto Kufi Arabic", system-ui, sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.01em;
}

.nav__close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.7);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.nav__close:hover {
  background: rgba(6, 182, 212, 0.18);
  color: #fff;
  transform: rotate(90deg);
}

/* ── Panel footer (contact links) ── */
.nav__panel-footer {
  margin-top: auto;
  padding-top: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.nav__panel-contact {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.45) !important;
  transition: color 0.2s ease;
  direction: ltr;
  display: inline-block;
}

.nav__panel-contact:hover {
  color: var(--color-cyan) !important;
}

/* ── Staggered link entrance animation ── */
@keyframes nav-link-in {
  from { opacity: 0; transform: translateX(-20px); }
  to   { opacity: 1; transform: translateX(0); }
}

html[dir="rtl"] .nav.is-open .nav__list li,
html[dir="rtl"] .nav__list-wrap.is-open .nav__list li {
  animation-name: nav-link-in-rtl;
}

@keyframes nav-link-in-rtl {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}

.nav.is-open .nav__list li,
.nav__list-wrap.is-open .nav__list li {
  animation: nav-link-in 0.4s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.nav.is-open .nav__list li:nth-child(1),
.nav__list-wrap.is-open .nav__list li:nth-child(1) { animation-delay: 0.05s; }
.nav.is-open .nav__list li:nth-child(2),
.nav__list-wrap.is-open .nav__list li:nth-child(2) { animation-delay: 0.10s; }
.nav.is-open .nav__list li:nth-child(3),
.nav__list-wrap.is-open .nav__list li:nth-child(3) { animation-delay: 0.15s; }
.nav.is-open .nav__list li:nth-child(4),
.nav__list-wrap.is-open .nav__list li:nth-child(4) { animation-delay: 0.20s; }
.nav.is-open .nav__list li:nth-child(5),
.nav__list-wrap.is-open .nav__list li:nth-child(5) { animation-delay: 0.25s; }

.nav.is-open .nav__cta--mobile,
.nav__list-wrap.is-open .nav__cta--mobile {
  animation: nav-link-in 0.4s cubic-bezier(0.22, 1, 0.36, 1) 0.32s both;
}

.nav.is-open .nav__panel-footer,
.nav__list-wrap.is-open .nav__panel-footer {
  animation: nav-link-in 0.4s cubic-bezier(0.22, 1, 0.36, 1) 0.42s both;
}

/* Desktop: panel is back inside <nav> — restore to normal flow */
@media (min-width: 961px) {
  .nav .nav__list-wrap {
    position: static !important;
    transform: none !important;
    opacity: 1 !important;
    background: none !important;
    padding: 0 !important;
    display: flex !important;
    pointer-events: auto !important;
    z-index: auto !important;
    overflow: visible !important;
    flex-direction: row !important;
    align-items: center !important;
    justify-content: flex-start !important;
    inset: auto !important;
  }
}

/* Footer */
.site-footer {
  background: var(--color-navy);
  color: rgba(255, 255, 255, 0.88);
  padding-block: var(--space-2xl);
  margin-top: auto;
}

.site-footer a {
  color: rgba(255, 255, 255, 0.9);
}

.site-footer a:hover {
  color: var(--color-brand-accent);
}

.site-footer__grid {
  display: grid;
  gap: var(--space-xl);
  grid-template-columns: 1.2fr repeat(2, 1fr);
}

@media (max-width: 768px) {
  .site-footer__grid {
    grid-template-columns: 1fr;
  }
}

.site-footer__title {
  color: #fff;
  font-size: 1rem;
  margin-bottom: var(--space-md);
}

.site-footer__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-footer__list li {
  margin-bottom: var(--space-sm);
}

.site-footer__bottom {
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.875rem;
  text-align: center;
  color: rgba(255, 255, 255, 0.65);
}

.page-wrap {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

/* .page-hero base — full styles in premium.css */
.page-hero {
  padding-block: var(--space-2xl);
}

.about-split {
  display: grid;
  gap: var(--space-xl);
  grid-template-columns: 1fr 1.15fr;
  align-items: center;
}

@media (max-width: 768px) {
  .about-split {
    grid-template-columns: 1fr;
  }
}