/* ============================================
   Studyline Immigration - Layout
   Header, Nav, Hero, Footer, Sections, FAB
   ============================================ */

/* ============ Top Bar ============ */
.topbar {
  background: var(--primary-dark);
  color: rgba(255,255,255,.78);
  font-size: var(--text-xs);
  padding: .45rem 0;
  position: relative;
  z-index: var(--z-sticky);
}
.topbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}
.topbar a { color: rgba(255,255,255,.85); }
.topbar a:hover { color: var(--white); }
.topbar-items {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  flex-wrap: wrap;
}
.topbar-item { display: inline-flex; align-items: center; gap: var(--space-2); }
.topbar-item i { color: var(--secondary-light); font-size: .8rem; }
.topbar-social { display: inline-flex; gap: var(--space-2); }
.topbar-social a {
  width: 26px; height: 26px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,.12);
  color: #fff;
  font-size: .72rem;
  transition: all var(--transition-fast);
}
.topbar-social a[aria-label="Facebook"] { background: #1877f2; }
.topbar-social a[aria-label="WhatsApp"] { background: #25d366; }
.topbar-social a:hover { filter: brightness(1.1); transform: translateY(-1px) scale(1.06); box-shadow: 0 4px 10px rgba(0,0,0,.25); }
.topbar-social svg, .socials svg { display: block; }

/* ============ Header ============ */
.header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
  transition: transform var(--transition-base), box-shadow var(--transition-base), background var(--transition-base);
}
.header.scrolled { box-shadow: var(--shadow-md); }
.header.header-hidden { transform: translateY(-102%); }
.header .container { display: flex; align-items: center; gap: var(--space-6); height: 70px; }

/* Logo */
.logo { display: inline-flex; align-items: center; gap: var(--space-2); flex-shrink: 0; }
.logo-mark {
  width: 44px; height: 44px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--primary-gradient);
  color: #fff;
  font-weight: 800;
  font-size: 1.2rem;
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  position: relative;
}
.logo-mark::after {
  content: ""; position: absolute; inset: 0; border-radius: 12px;
  border: 2px solid var(--accent);
  opacity: .55;
}
.logo-text {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--primary-dark);
  letter-spacing: -.5px;
  line-height: 1;
  display: flex; flex-direction: column;
}
.logo-text em { color: var(--accent); font-style: normal; }
.logo-tag {
  font-size: .6rem;
  font-weight: 600;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-top: 2px;
}

/* Nav */
.nav { display: flex; align-items: center; gap: var(--space-1); margin-left: auto; }
.nav-link {
  position: relative;
  padding: .6rem .85rem;
  font-weight: 600;
  font-size: .92rem;
  color: var(--gray-700);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  display: inline-flex; align-items: center; gap: .3rem;
}
.nav-link:hover { color: var(--primary); background: var(--gray-100); }
.nav-link.active { color: var(--primary); }
.nav-link.active::after {
  content: ""; position: absolute; left: .85rem; right: .85rem; bottom: 0;
  height: 3px; border-radius: 3px 3px 0 0;
  background: var(--accent, var(--secondary));
}

/* Dropdown */
.dropdown { position: relative; }
.dropdown-menu {
  position: absolute; top: calc(100% + 8px); left: 0;
  min-width: 270px;
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--gray-200);
  padding: var(--space-2);
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: all var(--transition-base);
  z-index: var(--z-dropdown);
}
.dropdown:hover .dropdown-menu,
.dropdown:focus-within .dropdown-menu {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.dropdown-menu a {
  display: flex; align-items: center; gap: var(--space-3);
  padding: .65rem .8rem;
  border-radius: var(--radius-md);
  color: var(--gray-700);
  font-size: .9rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}
.dropdown-menu a i { width: 18px; text-align: center; color: var(--secondary); }
.dropdown-menu a:hover { background: var(--gray-50); color: var(--primary); transform: translateX(3px); }

/* Header actions */
.header-actions { display: flex; align-items: center; gap: var(--space-3); }
.lang-switch {
  display: inline-flex; align-items: center;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-full);
  overflow: hidden;
  font-size: .78rem; font-weight: 700;
}
.lang-switch a { padding: .35rem .7rem; color: var(--gray-600); transition: all var(--transition-fast); }
.lang-switch a.active { background: var(--primary); color: #fff; }
.lang-switch a:hover:not(.active) { background: var(--gray-100); }

/* Mobile toggle */
.mobile-toggle {
  display: none;
  width: 42px; height: 42px;
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-300);
  background: #fff;
  flex-direction: column; align-items: center; justify-content: center;
  gap: 5px;
  transition: all var(--transition-fast);
}
.mobile-toggle span {
  width: 18px; height: 2px; background: var(--primary-dark);
  border-radius: 2px; transition: all var(--transition-base);
}
.mobile-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.mobile-toggle.open span:nth-child(2) { opacity: 0; }
.mobile-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile drawer */
.mobile-drawer {
  position: fixed; inset: 0; z-index: var(--z-fixed);
  visibility: hidden; opacity: 0;
  transition: all var(--transition-base);
}
.mobile-drawer.open { visibility: visible; opacity: 1; }
.drawer-backdrop {
  position: absolute; inset: 0;
  background: rgba(13,31,51,.55);
  backdrop-filter: blur(3px);
}
.drawer-panel {
  position: absolute; top: 0; right: 0; bottom: 0;
  width: min(360px, 88vw);
  background: #fff;
  padding: var(--space-8) var(--space-6);
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform var(--transition-base);
  box-shadow: var(--shadow-2xl);
}
.mobile-drawer.open .drawer-panel { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--space-6); }
.drawer-close {
  width: 38px; height: 38px; border-radius: var(--radius-md);
  border: 1px solid var(--gray-300); display: inline-flex; align-items: center; justify-content: center;
  color: var(--gray-600); transition: all var(--transition-fast);
}
.drawer-close:hover { background: var(--gray-100); color: var(--primary); }
.drawer-link {
  display: flex; align-items: center; justify-content: space-between;
  padding: .9rem 0;
  border-bottom: 1px solid var(--gray-100);
  color: var(--gray-800); font-weight: 600; font-size: 1.02rem;
}
.drawer-link i { color: var(--gray-400); font-size: .8rem; transition: transform var(--transition-fast); }
.drawer-sub { padding-left: var(--space-4); }
.drawer-sub a {
  display: flex; align-items: center; gap: var(--space-2);
  padding: .55rem 0; color: var(--gray-600); font-weight: 500; font-size: .95rem;
}
.drawer-sub a i { width: 16px; color: var(--secondary); font-size: .8rem; }
.drawer-sub a:hover { color: var(--primary); }

/* ============ Hero ============ */
.hero {
  position: relative;
  padding: clamp(2rem, 4.4vw, 3.6rem) 0 2.6rem;
  background:
    radial-gradient(1100px 520px at 88% -10%, rgba(47,77,107,.08), transparent 60%),
    radial-gradient(900px 480px at -10% 20%, rgba(95,138,184,.12), transparent 55%),
    linear-gradient(180deg, #f6f9fc 0%, #ffffff 100%);
  overflow: hidden;
}
.hero::before { /* dogwood watermark — softened */
  content: "\f785";
  font-family: "Font Awesome 6 Brands";
  font-weight: 400;
  position: absolute; right: -60px; top: 10%;
  font-size: 24rem; line-height: 1;
  color: rgba(47,77,107,.035);
  transform: rotate(12deg);
  pointer-events: none;
}
.grid-pattern {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(47,77,107,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(47,77,107,.04) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: linear-gradient(180deg, rgba(0,0,0,.4), transparent 75%);
  -webkit-mask-image: linear-gradient(180deg, rgba(0,0,0,.4), transparent 75%);
  pointer-events: none;
}
.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: var(--space-10);
  align-items: center;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: var(--space-2);
  background: rgba(47,77,107,.08);
  color: var(--accent);
  border: 1px solid rgba(47,77,107,.2);
  padding: .45rem 1rem;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  margin-bottom: var(--space-5);
}
.hero-badge i { color: var(--accent); }
.hero h1 {
  font-size: clamp(1.85rem, 3.6vw, 2.9rem);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.8px;
  color: var(--primary-dark);
  margin-bottom: var(--space-5);
}
.hero h1 .highlight {
  position: relative;
  color: var(--accent);
  white-space: nowrap;
}
.hero h1 .highlight::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 4px;
  height: 9px; background: rgba(47,77,107,.14);
  border-radius: 8px; z-index: -1;
}
.hero .lead { font-size: var(--text-lg); color: var(--gray-600); max-width: 560px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: var(--space-4); margin-top: var(--space-6); }

.hero-trust {
  display: flex; gap: var(--space-8); margin-top: var(--space-8);
  padding-top: var(--space-5);
  border-top: 1px solid var(--gray-200);
  flex-wrap: wrap;
}
.trust-stat .num {
  font-family: var(--font-heading);
  font-size: 1.6rem; font-weight: 800;
  color: var(--primary);
  line-height: 1;
  display: flex; align-items: baseline;
}
.trust-stat .num em { font-style: normal; color: var(--accent); }
.trust-stat .label { font-size: var(--text-sm); color: var(--gray-500); margin-top: var(--space-1); }

/* Hero visual */
.hero-visual { position: relative; }
.hero-chip {
  position: absolute; z-index: 3;
  display: inline-flex; align-items: center; gap: var(--space-2);
  background: #fff;
  padding: .55rem .95rem;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-lg);
  font-size: var(--text-sm); font-weight: 700;
  color: var(--primary-dark);
  border: 1px solid var(--gray-200);
  animation: float 4s ease-in-out infinite;
}
.hero-chip i { color: var(--accent); }
.hero-chip.chip-1 { top: 8%; left: -28px; }
.hero-chip.chip-2 { bottom: 14%; right: -18px; animation-delay: 1.4s; }

.hero-card {
  position: relative; z-index: 2;
  background: rgba(255,255,255,.9);
  border: 1px solid rgba(255,255,255,.8);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-2xl);
  padding: var(--space-6);
}
.hero-card h3 {
  display: flex; align-items: center; gap: var(--space-2);
  font-size: 1rem; margin-bottom: var(--space-4);
}
.hero-card h3 i { color: var(--secondary); }
.hero-card-item {
  display: flex; align-items: center; gap: var(--space-4);
  padding: .65rem 0;
  border-bottom: 1px dashed var(--gray-200);
}
.hero-card-item:last-child { border-bottom: none; }
.hc-icon {
  width: 44px; height: 44px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--gray-700); font-size: 1rem; flex-shrink: 0;
}
.hc-icon.navy { background: var(--pastel-blue); color: var(--pastel-blue-ink); }
.hc-icon.red  { background: var(--pastel-red); color: var(--pastel-red-ink); }
.hc-icon.gold { background: var(--pastel-gold); color: var(--pastel-gold-ink); }
.hc-icon.teal { background: var(--pastel-teal); color: var(--pastel-teal-ink); }
.hc-name { font-weight: 700; color: var(--primary-dark); font-size: .95rem; }
.hc-desc { font-size: var(--text-xs); color: var(--gray-500); margin-top: 2px; }

/* ============ Section chrome ============ */
.section { padding: clamp(4rem, 9vw, 7rem) 0; }
.section-alt { background: var(--gray-50); }
.section-navy { background: var(--primary-dark); color: rgba(255,255,255,.85); }
.section-navy h2, .section-navy h3 { color: #fff; }
.section-head { max-width: 720px; margin: 0 auto var(--space-16); text-align: center; }
.section-head.left { margin-left: 0; text-align: left; }
.section-head h2 {
  font-size: clamp(1.7rem, 3.4vw, 2.5rem);
  font-weight: 800; letter-spacing: -.5px;
  margin-bottom: var(--space-4);
}
.section-head p { color: var(--gray-500); font-size: var(--text-lg); }
.eyebrow {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-size: var(--text-xs); font-weight: 700;
  text-transform: uppercase; letter-spacing: 2px;
  color: var(--secondary);
  background: rgba(95,138,184,.08);
  border-radius: var(--radius-full);
  padding: .4rem 1rem;
  margin-bottom: var(--space-4);
}

/* ============ Footer ============ */
.footer {
  background: #ffffff;
  color: var(--gray-600);
  padding: var(--space-16) 0 0;
  font-size: .92rem;
  border-top: 1px solid var(--gray-200);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: var(--space-10);
  padding-bottom: var(--space-12);
}
.footer a { color: var(--gray-600); }
.footer a:hover { color: var(--secondary); }
.footer-brand .logo-text { color: var(--primary-dark); }
.footer-brand p { margin-top: var(--space-4); max-width: 320px; font-size: .9rem; line-height: 1.7; }
.socials { display: flex; gap: var(--space-3); margin-top: var(--space-5); }
.socials a {
  width: 40px; height: 40px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: var(--radius-full);
  background: var(--gray-100);
  color: var(--primary);
  font-size: 1rem;
  transition: all var(--transition-fast);
  border: 1px solid var(--gray-200);
}
.socials a[aria-label="Facebook"] { background: #1877f2; color: #fff; border-color: #1877f2; }
.socials a[aria-label="WhatsApp"] { background: #25d366; color: #fff; border-color: #25d366; }
.socials a:hover { filter: brightness(1.05); transform: translateY(-3px) scale(1.05); box-shadow: var(--shadow-lg); color: #fff; }
.footer-col h5 {
  color: var(--primary-dark); font-size: .95rem; margin-bottom: var(--space-5);
  text-transform: uppercase; letter-spacing: 1.5px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: .7rem; }
.footer-col li i { color: var(--secondary); font-size: .7rem; margin-right: var(--space-2); }
.footer-contact li { display: flex; align-items: flex-start; gap: var(--space-3); }
.footer-contact li i { margin-top: 3px; }
.footer-bottom {
  border-top: 1px solid var(--gray-200);
  padding: var(--space-6) 0;
  font-size: var(--text-xs);
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-4); flex-wrap: wrap;
}
.footer-bottom .heart { color: var(--accent); }

/* ============ Floating action buttons ============ */
.fab {
  position: fixed;
  right: 22px;
  z-index: var(--z-fixed);
  width: 54px; height: 54px;
  border-radius: var(--radius-full);
  display: inline-flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1.35rem;
  box-shadow: var(--shadow-xl);
  transition: all var(--transition-base);
}
.fab svg { width: 1.5em; height: 1.5em; }
.fab:hover { transform: translateY(-3px) scale(1.04); color: #fff; }
.fab-wa { bottom: 90px; background: #25d366; animation: pulse 2.6s infinite; }
.fab-call { bottom: 24px; background: var(--primary-gradient); }
.fab::after {
  content: attr(aria-label);
  position: absolute; right: 64px; top: 50%;
  transform: translateY(-50%) translateX(6px);
  background: var(--primary-dark); color: #fff;
  font-size: .75rem; font-weight: 600; white-space: nowrap;
  padding: .4rem .7rem; border-radius: var(--radius-md);
  opacity: 0; pointer-events: none;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}
.fab:hover::after, .fab:focus-visible::after { opacity: 1; transform: translateY(-50%) translateX(0); }
.fab:focus-visible { outline: 3px solid var(--secondary); outline-offset: 3px; }

/* ============ Page hero (inner pages) ============ */
.page-hero {
  position: relative;
  padding: clamp(3rem, 6vw, 5.5rem) 0 3.2rem;
  background:
    radial-gradient(800px 360px at 90% -10%, rgba(47,77,107,.1), transparent 55%),
    linear-gradient(180deg, #eef3f9 0%, var(--gray-50) 65%, #fff 100%);
  border-bottom: 1px solid var(--gray-200);
  overflow: hidden;
}
.page-hero .container { position: relative; }
.page-hero h1 {
  font-size: clamp(1.9rem, 4vw, 2.9rem);
  font-weight: 800; letter-spacing: -.5px;
  color: var(--primary-dark);
  margin: var(--space-4) 0;
}
.page-hero .lead { color: var(--gray-600); max-width: 680px; font-size: var(--text-lg); }

/* Breadcrumbs */
.breadcrumbs { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); font-size: var(--text-xs); color: var(--gray-500); }
.breadcrumbs a { color: var(--gray-500); }
.breadcrumbs a:hover { color: var(--secondary); }
.breadcrumbs .sep { opacity: .5; }
.breadcrumbs .current { color: var(--secondary); font-weight: 600; }

/* ============ Responsive ============ */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: var(--space-10); }
  .hero-visual { max-width: 520px; margin: 0 auto; width: 100%; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav { display: none; }
  .mobile-toggle { display: inline-flex; }
  .topbar .container { justify-content: center; }
}

@media (max-width: 768px) {
  .header .container { height: 66px; }
  .topbar-items .topbar-item.hide-sm { display: none; }
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-8); }
  .hero-chip.chip-1 { left: 8px; }
  .hero-chip.chip-2 { right: 8px; }
}
/* Official company logo on light surfaces. */
.logo .brand-logo { display: block; width: auto; height: 62px; max-width: 100%; object-fit: contain; }
.footer-brand .logo .brand-logo { height: 112px; }