/* ============================================================
   layout.css — Structural Shell, Nav, Footer
   All units in REM.
   ============================================================ */

/* ----------------------------------------------------------
   BASE LAYOUT
   ---------------------------------------------------------- */
.container {
  width: 100%;
  max-width: 124rem;
  margin: 0 auto;
  padding: 0 var(--space-5);
}
@media (max-width: 36em) {
  .container { padding: 0 var(--space-4); }
}
.container-sm { max-width: 80rem; }
.container-md { max-width: 96rem; }

.section { padding: var(--space-16) 0; overflow-x: hidden; }
@media (max-width: 48em) {
  .section { padding: var(--space-10) 0; }
}
.section-sm { padding: var(--space-10) 0; overflow-x: hidden; }
@media (max-width: 48em) {
  .section-sm { padding: var(--space-6) 0; }
}
.section-light { background: #fff; }
.section-tint { background: var(--color-background); }
.section-blue { background: linear-gradient(135deg, #eaf4ff 0%, #f8fafc 100%); }
.section-dark {
  background: linear-gradient(140deg, #0b1a35 0%, #0a2a55 100%);
  color: #fff;
}
.section-dark h2 { color: #fff; }
.section-dark p { color: rgba(255,255,255,0.75); }

/* Text Alignment Utilities */
.text-center { text-align: center; }
.section-head {
  text-align: center;
  max-width: 72rem;
  margin: 0 auto var(--space-10);
}
.section-head h2 { margin-bottom: var(--space-3); }
.section-head p { font-size: var(--font-size-lg); }

/* ----------------------------------------------------------
   ANNOUNCEMENT BAR
   ---------------------------------------------------------- */
.announce-strip {
  /*position: fixed;*/
  /*top: 0;*/
  /*left: 0;*/
  /*right: 0;*/
  /*z-index: 101;*/
  position: relative;
  background: var(--color-primary-dark);
  color: rgba(255,255,255,0.95);
  text-align: center;
  padding: 1rem var(--space-4);
  font-size: var(--font-size-sm);
  font-weight: 500;
}
.announce-strip a { color: var(--color-accent); }

/* ----------------------------------------------------------
   HEADER / NAVIGATION
   ---------------------------------------------------------- */
.header {
  /*position: fixed;*/
  position: sticky;
  top: 0;
  /*left: 0;*/
  /*right: 0;*/
  z-index: var(--z-nav);
  background: rgba(255,255,255,0.88);
  backdrop-filter: blur(1.2rem);
  -webkit-backdrop-filter: blur(1.2rem);
  border-bottom: 0.1rem solid rgba(255,255,255,0.6);
  transition: box-shadow var(--transition-base), background var(--transition-base);
}
.header.scrolled {
  background: rgba(255,255,255,0.98);
  box-shadow: 0 0.2rem 2.4rem rgba(0,60,140,0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 7.2rem;
  gap: var(--space-6);
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-family-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  text-decoration: none;
  flex-shrink: 0;
}
.logo .logo-icon {
  width: 4rem; height: 4rem;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
}
.logo .logo-icon svg { width: 2.4rem; height: 2.4rem; color: #fff; }
.logo-text { color: var(--color-primary-dark); }
.logo-text span { color: var(--color-primary); }

/* Desktop Nav */
.nav-primary {
  display: none;
  list-style: none;
  align-items: center;
  gap: var(--space-1);
}
@media (min-width: 76.8em) {
  .nav-primary { display: flex; }
}
.nav-primary > li { position: relative; }
.nav-primary a {
  display: block;
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-main);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  white-space: nowrap;
}
.nav-primary a:hover,
.nav-primary a.active {
  color: var(--color-primary);
  background: var(--color-primary-light);
}
.nav-primary a.active { font-weight: 600; }

/* Dropdown — nav item is position:relative via nav-primary > li */
.has-dropdown {
  position: relative;
}

/* Unified anchor: text + chevron together */
.has-dropdown > a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

/* Chevron span injected inside the anchor */
.dropdown-chevron {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  transition: transform var(--transition-base);
  opacity: 0.6;
}
.has-dropdown.is-open > a .dropdown-chevron {
  transform: rotate(180deg);
  opacity: 1;
  color: var(--color-primary);
}

.dropdown {
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  position: absolute;
  top: calc(100% + 1rem);
  left: 50%;
  transform: translateX(-50%) translateY(-1rem);
  min-width: 26rem;
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: 0 0.8rem 4rem rgba(0,40,120,0.14), 0 0 0 0.1rem rgba(0,40,120,0.08);
  padding: var(--space-2);
  z-index: 20;
  transition:
    opacity var(--transition-base),
    transform var(--transition-base),
    visibility var(--transition-base);
}
.has-dropdown.is-open .dropdown {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.dropdown a {
  display: block;
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-sm);
  color: var(--color-text-main);
  border-radius: var(--radius-md);
  font-weight: 400;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.dropdown a:hover {
  background: var(--color-primary-light);
  color: var(--color-primary);
}
.dropdown-section-title {
  font-size: var(--font-size-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1rem;
  color: var(--color-text-muted);
  padding: var(--space-3) var(--space-4) var(--space-1);
}

/* Header CTAs */
.header-actions { display: none; gap: var(--space-3); align-items: center; }
@media (min-width: 76.8em) { .header-actions { display: flex; } }

/* Hamburger — mobile only, hidden on desktop (≥ 76.8rem) */
.hamburger {
  display: flex; flex-direction: column;
  justify-content: space-between;
  width: 2.8rem; height: 2rem;
  background: none; border: none;
  cursor: pointer; padding: 0;
  flex-shrink: 0;
}
@media (min-width: 76.8em) { .hamburger { display: none !important; } }
.hamburger span {
  display: block; width: 100%; height: 0.22rem;
  background: var(--color-primary-dark);
  border-radius: 0.2rem;
  transition: all var(--transition-base);
  transform-origin: left center;
}
.hamburger.is-open span:nth-child(1) { transform: rotate(40deg) translateY(-0.12rem); }
.hamburger.is-open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.is-open span:nth-child(3) { transform: rotate(-40deg) translateY(0.12rem); }

/* Mobile Nav fullscreen overlay */
.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: calc(var(--z-nav) + 10);
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(1.6rem);
  display: flex;
  flex-direction: column;
  padding: 10rem var(--space-6) var(--space-8);
  gap: var(--space-3);
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform var(--transition-slow);
}
.mobile-nav.open { transform: translateX(0); }
.mobile-nav .nav-link {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-text-main);
  padding: var(--space-3) 0;
  border-bottom: 0.1rem solid var(--color-border);
}
.mobile-nav .nav-link:last-of-type { border-bottom: none; }
.mobile-cta { margin-top: var(--space-6); display: flex; flex-direction: column; gap: var(--space-3); }
.mobile-close {
  position: fixed;
  top: 2.4rem; right: 2.4rem;
  width: 4.4rem; height: 4.4rem;
  background: var(--color-primary-light);
  border: none; border-radius: 50%;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  color: var(--color-primary-dark);
  z-index: 1;
}

/* ----------------------------------------------------------
   BREADCRUMB
   ---------------------------------------------------------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}
.breadcrumb a { color: var(--color-primary); }
.breadcrumb-sep { opacity: 0.4; }

/* ----------------------------------------------------------
   PAGE HERO (inner pages)
   ---------------------------------------------------------- */
.page-hero {
  padding: calc(14rem + var(--space-12)) 0 var(--space-12);
  background: linear-gradient(160deg, #eaf4ff 0%, #f0f7ff 40%, #fff 100%);
  position: relative;
  overflow: hidden;
}
@media (max-width: 48em) {
  .page-hero { padding: calc(10rem + var(--space-6)) 0 var(--space-6); }
}
.page-hero::before {
  content: '';
  position: absolute;
  top: -10rem; right: -15rem;
  width: 60rem; height: 60rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,115,230,0.07) 0%, transparent 70%);
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 { margin-bottom: var(--space-3); }
.page-hero p {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  max-width: 64rem;
}

/* ----------------------------------------------------------
   SPLIT LAYOUT
   ---------------------------------------------------------- */
.split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  align-items: center;
}
@media (min-width: 76.8em) {
  .split { grid-template-columns: 1fr 1fr; }
  .split-reverse { direction: rtl; }
  .split-reverse > * { direction: ltr; }
  .split-60 { grid-template-columns: 3fr 2fr; }
}
.split-visual {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.split-visual img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* ----------------------------------------------------------
   CTA STRIP
   ---------------------------------------------------------- */
.cta-strip {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, #003d99 100%);
  border-radius: var(--radius-xl);
  padding: var(--space-10);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-6);
}
@media (min-width: 76.8em) {
  .cta-strip {
    flex-direction: row;
    text-align: left;
    justify-content: space-between;
  }
}
.cta-strip h2 { color: #fff; margin: 0; }
.cta-strip p { color: rgba(255,255,255,0.8); margin: var(--space-2) 0 0; }

/* ----------------------------------------------------------
   FEATURE LIST (with image on side)
   ---------------------------------------------------------- */
.feature-list { display: flex; flex-direction: column; gap: var(--space-5); }
.feature-item {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}
.feature-badge {
  flex-shrink: 0;
  width: 5rem; height: 5rem;
  background: linear-gradient(135deg, var(--color-primary-light), #d0e9ff);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-primary);
}
.feature-badge svg { width: 2.4rem; height: 2.4rem; }
.feature-text h4 { margin-bottom: var(--space-1); font-size: var(--font-size-base); }
.feature-text p { font-size: var(--font-size-sm); margin: 0; }

/* ----------------------------------------------------------
   FOOTER
   ---------------------------------------------------------- */
.footer {
  background: linear-gradient(180deg, #091325 0%, #040a14 100%);
  color: rgba(255,255,255,0.75);
  padding: var(--space-8) 0 0;
  position: relative;
  border-top: 0.1rem solid rgba(255,255,255,0.03);
  overflow-x: hidden;
}
.footer::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 0.1rem;
  background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
  opacity: 0.3;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  padding-bottom: var(--space-6);
}
@media (min-width: 72em) {
  .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr 1.3fr; gap: var(--space-5); }
}
.footer-brand p {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.55);
  line-height: var(--line-height-relaxed);
  margin-top: var(--space-3);
  max-width: 28rem;
}
.footer-col h5 {
  color: #fff;
  font-size: 1.2rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15rem;
  margin-bottom: var(--space-3);
  position: relative;
  display: inline-block;
}
.footer-col h5::after {
  content: '';
  position: absolute;
  left: 0; bottom: -0.8rem;
  width: 2rem;
  height: 0.2rem;
  background: var(--color-primary);
  border-radius: 0.2rem;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: var(--space-2); }
.footer-col a {
  display: inline-flex;
  align-items: center;
  color: rgba(255,255,255,0.55);
  font-size: var(--font-size-sm);
  transition: all var(--transition-base);
}
.footer-col a::before {
  content: '→';
  font-size: 1.1rem;
  margin-right: 0.8rem;
  color: var(--color-primary);
  opacity: 0;
  transform: translateX(-0.5rem);
  transition: all var(--transition-base);
}
.footer-col a:hover {
  color: #fff;
  transform: translateX(0.4rem);
}
.footer-col a:hover::before {
  opacity: 1;
  transform: translateX(0);
}
.footer-contact-item {
  display: flex; gap: var(--space-2); align-items: flex-start;
  margin-bottom: var(--space-3);
  padding: var(--space-2);
  background: rgba(255,255,255,0.02);
  border-radius: var(--radius-md);
  border: 0.1rem solid rgba(255,255,255,0.04);
  transition: background var(--transition-base), border-color var(--transition-base);
}
.footer-contact-item:hover {
  background: rgba(255,255,255,0.04);
  border-color: rgba(255,255,255,0.08);
}
.footer-contact-item svg { width: 1.8rem; height: 1.8rem; color: var(--color-accent); flex-shrink: 0; margin-top: 0.2rem; }
.footer-contact-item p { margin: 0; font-size: var(--font-size-sm); color: rgba(255,255,255,0.55); }
.footer-contact-item strong { color: #fff; display: block; font-weight: 500; margin-bottom: 0.2rem; }
.footer-contact-item a { color: rgba(255,255,255,0.55); text-decoration: none; }
.footer-contact-item a:hover { color: var(--color-accent); transform: none; }
.footer-contact-item a::before { display: none; }

.footer-bottom {
  border-top: 0.1rem solid rgba(255,255,255,0.05);
  padding: var(--space-4) 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  align-items: center;
  text-align: center;
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.4);
}
@media (min-width: 76.8em) {
  .footer-bottom { flex-direction: row; justify-content: space-between; }
}
.footer-bottom a { color: rgba(255,255,255,0.5); transition: color var(--transition-fast); }
.footer-bottom a:hover { color: var(--color-accent); transform: none; }
.footer-bottom a::before { display: none; }

.footer-social {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-3);
}
.footer-social a {
  width: 4.2rem; height: 4.2rem;
  background: rgba(255,255,255,0.04);
  border: 0.1rem solid rgba(255,255,255,0.05);
  backdrop-filter: blur(0.4rem);
  -webkit-backdrop-filter: blur(0.4rem);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.7);
  transition: all var(--transition-base);
}
.footer-social a:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
  transform: translateY(-0.3rem);
  box-shadow: 0 0.8rem 1.6rem rgba(0, 115, 230, 0.3);
}
.footer-social svg { width: 1.8rem; height: 1.8rem; }