/* ============================================
   LIQUID GLASS THEME - Apple-inspired glassmorphism
   ============================================ */

:root {
  --glass-bg: rgba(255, 255, 255, 0.12);
  --glass-bg-heavy: rgba(255, 255, 255, 0.18);
  --glass-bg-light: rgba(255, 255, 255, 0.08);
  --glass-border: rgba(255, 255, 255, 0.25);
  --glass-border-subtle: rgba(255, 255, 255, 0.12);
  --glass-blur: 20px;
  --glass-blur-heavy: 40px;
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
  --glass-shadow-hover: 0 12px 48px rgba(0, 0, 0, 0.35);
  --glass-radius: 20px;
  --glass-radius-sm: 12px;
  --glass-text: rgba(255, 255, 255, 0.95);
  --glass-text-secondary: rgba(255, 255, 255, 0.7);
  --glass-accent: rgba(255, 255, 255, 0.3);
  --glass-dark-bg: rgba(0, 0, 0, 0.3);
  --glass-dark-bg-heavy: rgba(0, 0, 0, 0.45);
  --transition-smooth: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* --- Full-screen panoramic background --- */
body {
  margin: 0;
  min-height: 100vh;
  background-color: #1a1a2e;
  background-image: var(--panoramic-bg, url('../images/backgrounds/bg-mountains.jpg'));
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  background-repeat: no-repeat;
  transition: background-image 0.8s ease;
  color: var(--glass-text);
}

/* --- Glass panel mixin-style class --- */
.glass-panel {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--glass-radius);
  box-shadow: var(--glass-shadow);
  transition: all var(--transition-smooth);
}

.glass-panel:hover {
  background: var(--glass-bg-heavy);
  box-shadow: var(--glass-shadow-hover);
  border-color: rgba(255, 255, 255, 0.35);
}

.glass-panel-dark {
  background: var(--glass-dark-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border-subtle);
  border-radius: var(--glass-radius);
  box-shadow: var(--glass-shadow);
}

/* --- Navbar: frosted glass bar --- */
.navbar.menu {
  background: var(--glass-dark-bg) !important;
  backdrop-filter: blur(var(--glass-blur-heavy));
  -webkit-backdrop-filter: blur(var(--glass-blur-heavy));
  border-bottom: 1px solid var(--glass-border-subtle);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.2);
  transition: all var(--transition-smooth);
}

.navbar.menu:hover {
  background: var(--glass-dark-bg-heavy) !important;
}

.menu li a {
  transition: all 0.3s ease;
  border-radius: 8px;
  padding: 0.4rem 0.8rem !important;
}

.menu li a:hover {
  background: rgba(255, 255, 255, 0.15) !important;
}

/* Navbar email button */
.navbar .btn-rounded {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 50rem;
  transition: all 0.3s ease;
}

.navbar .btn-rounded:hover {
  background: rgba(255, 255, 255, 0.2);
}

.navbar .btn-rounded a {
  color: var(--glass-text) !important;
  text-decoration: none;
}

.navbar .btn-rounded span {
  background: rgba(255, 255, 255, 0.2);
}

/* --- Intro section: transparent with glass card --- */
.intro-section {
  background: transparent !important;
  padding-top: 8rem;
  padding-bottom: 4rem;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.intro-section .intros {
  position: relative;
  z-index: 1;
}

.intro-section .intros.text-start {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--glass-radius);
  box-shadow: var(--glass-shadow);
  padding: 2.5rem;
  margin: 1rem;
  transition: all var(--transition-smooth);
}

.intro-section .intros.text-start:hover {
  background: var(--glass-bg-heavy);
  box-shadow: var(--glass-shadow-hover);
  transform: translateY(-2px);
}

.intro-section svg {
  display: none;
}

/* --- Buttons: glass style --- */
.btn-rounded {
  background: var(--glass-bg) !important;
  border: 1px solid var(--glass-border) !important;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 50rem !important;
  color: var(--glass-text) !important;
  transition: all 0.3s ease;
}

.btn-rounded a {
  color: var(--glass-text) !important;
  text-decoration: none;
}

.btn-rounded span {
  background-color: rgba(255, 255, 255, 0.2) !important;
}

.btn-rounded:hover {
  background: rgba(255, 255, 255, 0.25) !important;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.btn-rounded:hover span {
  background-color: rgba(255, 255, 255, 0.3) !important;
}

.btn.btn-outline-primary {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--glass-text);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: var(--glass-radius-sm);
  transition: all 0.3s ease;
}

.btn.btn-outline-primary:hover,
.btn.btn-outline-primary:focus {
  background: rgba(255, 255, 255, 0.25);
  border-color: rgba(255, 255, 255, 0.4);
  color: #fff;
}

.btn.btn-primary {
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.btn.btn-primary:hover {
  background: rgba(255, 255, 255, 0.25);
}

/* --- Companies section: glass container --- */
.companies {
  background: transparent;
  padding: 3rem 0;
}

.companies .row.text-center {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--glass-radius);
  padding: 2rem;
  margin-bottom: 1.5rem;
}

.companies h4 {
  color: var(--glass-text);
}

.companies__logo-box img {
  filter: brightness(0) invert(1);
  opacity: 0.7;
  transition: all 0.3s ease;
}

.companies__logo-box img:hover {
  filter: brightness(0) invert(1);
  opacity: 1;
  transform: scale(1.05);
}

/* --- Heading lines: glass accent --- */
.heading-line::before {
  background-color: rgba(255, 255, 255, 0.4);
}

.heading-line::after {
  background-color: rgba(255, 255, 255, 0.6);
}

/* --- Services section: glass panels --- */
.services {
  background: transparent;
  color: var(--glass-text);
}

section#services {
  padding: 4rem 0;
}

section#services > .container:first-child .row.text-center h1 {
  color: var(--glass-text);
}

section#services .border-right {
  border-right-color: var(--glass-border);
}

section#services .bg-white {
  background: var(--glass-bg) !important;
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--glass-radius);
  color: var(--glass-text);
}

section#services .bg-white h2 {
  color: var(--glass-text);
}

section#services .bg-white p {
  color: var(--glass-text-secondary);
}

.services__content {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--glass-radius);
  padding: 2rem !important;
  transition: all var(--transition-smooth);
}

.services__content:hover {
  background: var(--glass-bg-heavy);
  box-shadow: var(--glass-shadow-hover);
  transform: translateY(-4px);
}

.services__content .icon {
  color: rgba(255, 255, 255, 0.8) !important;
}

.services__content p {
  color: var(--glass-text-secondary);
}

.services__pic img {
  border-radius: var(--glass-radius);
  box-shadow: var(--glass-shadow);
  transition: all var(--transition-smooth);
}

.services__pic img:hover {
  transform: scale(1.02);
  box-shadow: var(--glass-shadow-hover);
}

.display-3--title {
  background-image: none !important;
  -webkit-text-fill-color: var(--glass-text) !important;
  color: var(--glass-text) !important;
}

/* --- Portfolio section: glass cards --- */
.portfolio {
  background: transparent;
  color: var(--glass-text);
}

.portfolio .display-3 {
  color: var(--glass-text);
}

.portfolio .lead {
  color: var(--glass-text-secondary);
}

.portfolio-box {
  border-top: none;
  border-radius: var(--glass-radius);
  overflow: hidden;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg-light);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: all var(--transition-smooth);
}

.portfolio-box:hover {
  box-shadow: var(--glass-shadow-hover);
  border-color: rgba(255, 255, 255, 0.35);
}

.portfolio-box .portfolio-info {
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

/* --- Get in Touch / Contact section: glass panels --- */
.get-started {
  background-color: transparent !important;
}

.get-started h1 {
  color: var(--glass-text);
}

.get-started .gradient {
  background: var(--glass-bg) !important;
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--glass-radius) 0 0 var(--glass-radius);
}

.get-started .bg-white {
  background: var(--glass-bg-light) !important;
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: 0 var(--glass-radius) var(--glass-radius) 0;
  color: var(--glass-text);
}

.get-started .display-3--title {
  color: var(--glass-text) !important;
}

.get-started .display-4 {
  color: var(--glass-text);
}

.form-control {
  background: rgba(255, 255, 255, 0.08) !important;
  border: 1px solid var(--glass-border) !important;
  color: var(--glass-text) !important;
  border-radius: var(--glass-radius-sm) !important;
  transition: all 0.3s ease;
}

.form-control:focus {
  background: rgba(255, 255, 255, 0.14) !important;
  border-color: rgba(255, 255, 255, 0.4) !important;
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.1) !important;
}

.form-control::placeholder {
  color: var(--glass-text-secondary);
}

/* --- Footer: dark glass --- */
.footer {
  background-color: transparent !important;
  padding-top: 2rem;
}

.footer > .container:first-child {
  background: var(--glass-dark-bg-heavy);
  backdrop-filter: blur(var(--glass-blur-heavy));
  -webkit-backdrop-filter: blur(var(--glass-blur-heavy));
  border: 1px solid var(--glass-border-subtle);
  border-radius: var(--glass-radius);
  padding: 2rem;
  margin-bottom: 1rem;
}

.contact-box__icon {
  stroke: rgba(255, 255, 255, 0.7) !important;
}

.contact-box__icon svg {
  stroke: rgba(255, 255, 255, 0.7);
}

.footer-sm {
  background: var(--glass-dark-bg) !important;
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-radius: var(--glass-radius);
  margin: 0 auto;
  max-width: 1320px;
  border: 1px solid var(--glass-border-subtle);
}

.footer-sm a i {
  transition: all 0.3s ease;
}

.footer-sm a i:hover {
  transform: scale(1.2);
  color: rgba(255, 255, 255, 0.9);
}

.footer .container.mt-5 {
  background: var(--glass-dark-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border-subtle);
  border-radius: var(--glass-radius);
  padding: 2rem;
  margin-top: 1rem !important;
  max-width: 1320px;
}

.footer-bottom {
  background-color: transparent !important;
  padding-top: 1rem !important;
}

.footer-bottom .container {
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-radius: var(--glass-radius);
  border: 1px solid var(--glass-border-subtle);
  padding: 1.5rem;
}

/* --- Back to top button: glass circle --- */
.back-to-top {
  background: var(--glass-bg) !important;
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  transition: all 0.3s ease;
}

.back-to-top:hover {
  background: var(--glass-bg-heavy) !important;
  transform: translateY(-2px);
}

/* --- Background Switcher --- */
.bg-switcher {
  position: fixed;
  bottom: 5rem;
  right: 1.875rem;
  z-index: 9998;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.bg-switcher__toggle {
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--glass-text);
  font-size: 1.1rem;
  transition: all 0.3s ease;
}

.bg-switcher__toggle:hover {
  background: var(--glass-bg-heavy);
  transform: scale(1.1);
}

.bg-switcher__panel {
  display: none;
  background: var(--glass-dark-bg-heavy);
  backdrop-filter: blur(var(--glass-blur-heavy));
  -webkit-backdrop-filter: blur(var(--glass-blur-heavy));
  border: 1px solid var(--glass-border);
  border-radius: var(--glass-radius);
  padding: 1rem;
  box-shadow: var(--glass-shadow);
  min-width: 200px;
  position: absolute;
  bottom: 3.5rem;
  right: 0;
}

.bg-switcher__panel.active {
  display: block;
  animation: glassSlideUp 0.3s ease;
}

.bg-switcher__panel h6 {
  color: var(--glass-text);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
  font-weight: 600;
}

.bg-switcher__options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
}

.bg-switcher__option {
  width: 52px;
  height: 36px;
  border-radius: 8px;
  border: 2px solid transparent;
  cursor: pointer;
  background-size: cover;
  background-position: center;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.bg-switcher__option:hover {
  border-color: rgba(255, 255, 255, 0.5);
  transform: scale(1.08);
}

.bg-switcher__option.active {
  border-color: rgba(255, 255, 255, 0.8);
  box-shadow: 0 0 12px rgba(255, 255, 255, 0.3);
}

.bg-switcher__option--gradient {
  background-size: 100% 100% !important;
}

/* Color label under each swatch */
.bg-switcher__label {
  font-size: 0.6rem;
  color: var(--glass-text-secondary);
  text-align: center;
  margin-top: 2px;
}

/* --- Animations --- */
@keyframes glassSlideUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Subtle shimmer on glass panels */
.glass-panel::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.03),
    transparent
  );
  transition: left 0.8s ease;
  pointer-events: none;
}

.glass-panel:hover::before {
  left: 100%;
}

/* --- Responsive tweaks --- */
@media (max-width: 991px) {
  .intro-section {
    padding-top: 6rem;
    padding-bottom: 2rem;
  }

  .get-started .gradient {
    border-radius: var(--glass-radius) var(--glass-radius) 0 0;
  }

  .get-started .bg-white {
    border-radius: 0 0 var(--glass-radius) var(--glass-radius);
  }
}

@media (max-width: 576px) {
  :root {
    --glass-radius: 14px;
    --glass-blur: 16px;
  }

  .bg-switcher__panel {
    min-width: 170px;
  }
}

/* --- Custom scrollbar (webkit) --- */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.2);
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.35);
}