/* ===========================
   SHARED STYLES & ANIMATIONS
   =========================== */

/* ---- Material Symbols ---- */
.material-symbols-outlined {
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
  display: inline-block;
  line-height: 1;
  text-transform: none;
  letter-spacing: normal;
  word-wrap: normal;
  white-space: nowrap;
  direction: ltr;
}

/* ---- Utility Classes ---- */
.glass-effect {
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.glass-nav {
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}
.gradient-primary {
  background: linear-gradient(135deg, #003d9b 0%, #0052cc 100%);
}

/* ===========================
   NAVBAR ANIMATIONS
   =========================== */

/* Nav slide-in from top */
.nav-animate {
  animation: navSlideIn 0.6s cubic-bezier(0.22, 1, 0.36, 1) both;
}
@keyframes navSlideIn {
  from { transform: translateY(-100%); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

/* Logo hover pulse */
.nav-logo {
  transition: color 0.2s, letter-spacing 0.3s;
}
.nav-logo:hover {
  letter-spacing: -0.01em;
  color: #003d9b;
}

/* Nav link underline grow animation */
.nav-link {
  position: relative;
  padding-bottom: 2px;
}
.nav-link:not(.active)::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background: #003d9b;
  border-radius: 9999px;
  transition: width 0.25s ease;
}
.nav-link:not(.active):hover::after {
  width: 100%;
}

/* Hamburger button lines */
.hamburger-line {
  display: block;
  width: 22px;
  height: 2px;
  background: #0b1c30;
  border-radius: 9999px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
#menu-toggle.open .hamburger-line:nth-child(1) { transform: translateY(6px) rotate(45deg); }
#menu-toggle.open .hamburger-line:nth-child(2) { opacity: 0; transform: scaleX(0); }
#menu-toggle.open .hamburger-line:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* Mobile menu transition */
.mobile-menu {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}
.mobile-menu.open {
  max-height: 400px;
}

/* Navbar scroll shrink */
.navbar-scrolled {
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
}

/* ===========================
   HERO ANIMATIONS
   =========================== */
.hero-text {
  opacity: 0;
  transform: translateY(32px);
  animation: heroFadeUp 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.3s forwards;
}
.hero-form {
  opacity: 0;
  transform: translateY(32px);
  animation: heroFadeUp 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.55s forwards;
}
@keyframes heroFadeUp {
  to { opacity: 1; transform: translateY(0); }
}

/* ===========================
   FORM ANIMATIONS
   =========================== */
.form-input-animate {
  transition: box-shadow 0.25s ease, transform 0.2s ease;
}
.form-input-animate:focus {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(0, 61, 155, 0.12);
}

/* Submit button hover pulse */
.btn-submit {
  position: relative;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.btn-submit::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.15);
  transform: translateX(-100%);
  transition: transform 0.4s ease;
}
.btn-submit:hover::before {
  transform: translateX(100%);
}
.btn-submit:hover {
  transform: scale(1.02);
  box-shadow: 0 16px 40px rgba(0, 61, 155, 0.3);
}
.btn-submit:active {
  transform: scale(0.98);
}

/* ===========================
   CONTACT FORM CHIP TOGGLE
   =========================== */
.appliance-chip {
  cursor: pointer;
  transition: all 0.2s ease;
}
.appliance-chip.active {
  background: #dae2ff;
  color: #001848;
}

/* ===========================
   SCROLL REVEAL ANIMATIONS
   =========================== */
.scroll-reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s cubic-bezier(0.22, 1, 0.36, 1), transform 0.65s cubic-bezier(0.22, 1, 0.36, 1);
}
.scroll-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.scroll-reveal:nth-child(2) { transition-delay: 0.1s; }
.scroll-reveal:nth-child(3) { transition-delay: 0.2s; }
.scroll-reveal:nth-child(4) { transition-delay: 0.3s; }

/* ===========================
   FAQ ACCORDION
   =========================== */
.faq-answer {
  max-height: 0;
  overflow: hidden;
  padding-top: 0;
  padding-bottom: 0;
  transition: max-height 0.4s cubic-bezier(0.22, 1, 0.36, 1), padding 0.3s ease;
}
.faq-item.open .faq-answer {
  max-height: 200px;
  padding-bottom: 1.5rem;
}
.faq-item.open .faq-icon {
  transform: rotate(180deg);
}

/* ===========================
   PAGE TRANSITION
   =========================== */
.page-transition {
  animation: pageFadeIn 0.5s ease both;
}
@keyframes pageFadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ===========================
   GALLERY GRID IMAGES
   =========================== */
.gallery-img-wrap {
  overflow: hidden;
  border-radius: 1rem;
}
.gallery-img-wrap img {
  transition: transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}
.gallery-img-wrap:hover img {
  transform: scale(1.06);
}

/* ===========================
   REGION CARD HOVER
   =========================== */
.region-card {
  transition: all 0.25s ease;
}
.region-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(11, 28, 48, 0.08);
}

/* ===========================
   PING PULSE (map dots)
   =========================== */
@keyframes ping {
  0%    { transform: scale(1); opacity: 1; }
  75%, 100% { transform: scale(2.5); opacity: 0; }
}
.animate-ping {
  animation: ping 1.6s cubic-bezier(0, 0, 0.2, 1) infinite;
}

/* ===========================
   STEP CARDS (services page)
   =========================== */
.step-card {
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.step-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(0, 61, 155, 0.12);
}

/* ===========================
   ASYMMETRIC SHAPE
   =========================== */
.asymmetric-shape {
  clip-path: polygon(0 0, 100% 0, 100% 85%, 0% 100%);
}