/* MSK Developers — Premium design system */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Plus+Jakarta+Sans:wght@500;600;700;800&display=swap');

:root {
  --msk-font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --msk-font-display: 'Plus Jakarta Sans', 'Inter', system-ui, sans-serif;
  --msk-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --msk-radius-lg: 1.25rem;
  --msk-radius-xl: 1.75rem;
  --msk-shadow-sm: 0 4px 20px hsl(var(--n) / 0.08);
  --msk-shadow-md: 0 12px 40px hsl(var(--p) / 0.12);
  --msk-shadow-lg: 0 20px 60px hsl(var(--p) / 0.18);
  --msk-glass: hsl(var(--b1) / 0.72);
  --msk-glass-border: hsl(var(--bc) / 0.08);
  --msk-gradient: linear-gradient(135deg, hsl(var(--p)), hsl(var(--s)), hsl(var(--a)));
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--msk-font-body);
}

h1, h2, h3, h4, .font-display {
  font-family: var(--msk-font-display);
  letter-spacing: -0.02em;
}

/* Scroll progress */
#scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0;
  background: var(--msk-gradient);
  z-index: 9999;
  transition: width 0.08s linear;
  pointer-events: none;
}

/* Premium navbar */
.navbar-premium {
  transition: padding 0.35s var(--msk-ease), background 0.35s var(--msk-ease), box-shadow 0.35s var(--msk-ease), backdrop-filter 0.35s var(--msk-ease);
}

.navbar-premium.is-scrolled {
  background: hsl(var(--b1) / 0.85) !important;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--msk-shadow-sm);
  border-bottom: 1px solid var(--msk-glass-border);
}

.navbar-premium .nav-link.is-active {
  color: hsl(var(--p));
  font-weight: 600;
}

/* Gradient text */
.gradient-text {
  background: var(--msk-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.gradient-text-animated {
  background: linear-gradient(90deg, hsl(var(--p)), hsl(var(--s)), hsl(var(--a)), hsl(var(--p)));
  background-size: 300% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: gradient-shift 8s ease infinite;
}

@keyframes gradient-shift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* Mesh / grid backgrounds */
.bg-mesh {
  position: relative;
  overflow: hidden;
}

.bg-mesh::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 10%, hsl(var(--p) / 0.15), transparent 50%),
    radial-gradient(ellipse 60% 50% at 80% 20%, hsl(var(--s) / 0.12), transparent 45%),
    radial-gradient(ellipse 50% 40% at 50% 80%, hsl(var(--a) / 0.08), transparent 40%);
  pointer-events: none;
  z-index: 0;
}

.bg-grid::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(hsl(var(--bc) / 0.04) 1px, transparent 1px),
    linear-gradient(90deg, hsl(var(--bc) / 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 75%);
  pointer-events: none;
  z-index: 0;
}

/* Glass card */
.glass-card {
  background: var(--msk-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--msk-glass-border);
  border-radius: var(--msk-radius-lg);
  box-shadow: var(--msk-shadow-sm);
  transition: transform 0.35s var(--msk-ease), box-shadow 0.35s var(--msk-ease);
}

.glass-card:hover {
  box-shadow: var(--msk-shadow-md);
}

/* 3D tilt */
.tilt {
  transform-style: preserve-3d;
  will-change: transform;
  transition: box-shadow 0.35s var(--msk-ease);
}

.tilt:hover {
  box-shadow: var(--msk-shadow-lg);
}

/* Elevate on hover */
.elevate {
  transition: transform 0.35s var(--msk-ease), box-shadow 0.35s var(--msk-ease);
}

.elevate:hover {
  transform: translateY(-6px);
  box-shadow: var(--msk-shadow-md);
}

/* Premium buttons */
.btn-premium {
  position: relative;
  overflow: hidden;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: transform 0.25s var(--msk-ease), box-shadow 0.25s var(--msk-ease);
}

.btn-premium::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 40%, hsl(0 0% 100% / 0.15) 50%, transparent 60%);
  transform: translateX(-100%);
  transition: transform 0.5s var(--msk-ease);
}

.btn-premium:hover::before {
  transform: translateX(100%);
}

.btn-premium:hover {
  box-shadow: 0 8px 28px hsl(var(--p) / 0.35);
}

/* Section glow divider */
.section-glow {
  position: relative;
}

.section-glow::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(90%, 48rem);
  height: 1px;
  background: linear-gradient(90deg, transparent, hsl(var(--p) / 0.4), transparent);
}

/* Stats strip / marquee */
.stats-strip {
  background: hsl(var(--b2) / 0.6);
  border-top: 1px solid var(--msk-glass-border);
  border-bottom: 1px solid var(--msk-glass-border);
  overflow: hidden;
}

.stats-marquee {
  display: flex;
  gap: 3rem;
  animation: marquee 28s linear infinite;
  white-space: nowrap;
  padding: 0.85rem 0;
}

.stats-marquee span {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  opacity: 0.85;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.stats-marquee .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: hsl(var(--p));
  opacity: 0.7;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* Trust badges */
.trust-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.trust-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.9rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  background: hsl(var(--b1) / 0.6);
  border: 1px solid var(--msk-glass-border);
  backdrop-filter: blur(8px);
}

/* Testimonial premium */
.testimonial-card {
  position: relative;
  padding: 1.75rem;
  border-radius: var(--msk-radius-lg);
  background: hsl(var(--b2));
  border: 1px solid var(--msk-glass-border);
  text-align: left;
  transition: transform 0.35s var(--msk-ease), box-shadow 0.35s var(--msk-ease);
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--msk-shadow-md);
}

.testimonial-avatar {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 9999px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.875rem;
  background: var(--msk-gradient);
  color: hsl(var(--pc));
  margin-bottom: 1rem;
}

/* Reveal fallback */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--msk-ease), transform 0.7s var(--msk-ease);
}

.reveal-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Parallax layers */
.parallax-layer {
  will-change: transform;
  transition: transform 0.1s linear;
}

/* Focus visible */
:focus-visible {
  outline: 2px solid hsl(var(--p));
  outline-offset: 3px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .gradient-text-animated,
  .stats-marquee {
    animation: none !important;
  }

  .tilt,
  .elevate,
  .glass-card,
  .testimonial-card,
  .btn-premium,
  .reveal-on-scroll {
    transition: none !important;
    transform: none !important;
  }

  .reveal-on-scroll {
    opacity: 1;
  }

  html {
    scroll-behavior: auto;
  }
}


/* ==========================================================================
   Mobile Header & Navigation Drawer System
   ========================================================================== */

/* Navbar responsive layout guards */
#main-nav {
  min-height: 4rem;
  height: 4rem;
  max-width: 100vw;
  box-sizing: border-box;
}

#main-nav .navbar-brand-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-width: 0;
  flex: 1 1 auto;
}

#main-nav .navbar-actions-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

@media (max-width: 1023px) {
  .nav-desktop-only,
  .nav-action-btn,
  #main-nav .nav-desktop-only,
  #main-nav .nav-action-btn {
    display: none !important;
  }
  .nav-mobile-only {
    display: inline-flex !important;
  }
}

@media (min-width: 1024px) {
  .nav-desktop-only,
  #main-nav .nav-desktop-only {
    display: flex !important;
  }
  .nav-action-btn,
  #main-nav .nav-action-btn {
    display: inline-flex !important;
  }
  .nav-mobile-only,
  .mobile-menu-toggle,
  .mobile-menu-drawer {
    display: none !important;
  }
}

/* Animated Hamburger to Close (X) Toggle */
.mobile-menu-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  min-height: 40px;
  padding: 0 !important;
  margin: 0;
  background: hsl(var(--b2) / 0.7);
  border: 1px solid hsl(var(--bc) / 0.15) !important;
  border-radius: 9999px;
  color: hsl(var(--bc));
  cursor: pointer;
  flex-shrink: 0;
  box-shadow: none !important;
  transform: none !important;
  transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
  -webkit-tap-highlight-color: transparent;
}

.mobile-menu-toggle:hover {
  background: hsl(var(--b2)) !important;
  border-color: hsl(var(--p)) !important;
}

.mobile-menu-toggle:active {
  transform: scale(0.92) !important;
}

.mobile-menu-toggle:focus-visible {
  outline: 2px solid hsl(var(--p));
  outline-offset: 2px;
}

.hamburger-box {
  width: 18px;
  height: 14px;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  pointer-events: none;
}

.hamburger-box .bar {
  display: block;
  width: 18px;
  height: 2px;
  background-color: currentColor;
  border-radius: 9999px;
  transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1),
              opacity 0.2s ease;
  transform-origin: center;
}

/* Morph Hamburger to Close "X" when active */
.mobile-menu-toggle.is-active {
  background: hsl(var(--p) / 0.15) !important;
  border-color: hsl(var(--p) / 0.5) !important;
  color: hsl(var(--p)) !important;
}

.mobile-menu-toggle.is-active .bar-top {
  transform: translateY(6px) rotate(45deg);
}

.mobile-menu-toggle.is-active .bar-mid {
  opacity: 0;
  transform: scaleX(0);
}

.mobile-menu-toggle.is-active .bar-bot {
  transform: translateY(-6px) rotate(-45deg);
}

/* Full Viewport Mobile Menu Drawer */
.mobile-menu-drawer {
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100vw;
  height: calc(100dvh - 64px);
  background: hsl(var(--b1) / 0.96);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  z-index: 9998;
  display: flex;
  flex-direction: column;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-8px);
  transition: opacity 0.24s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.24s cubic-bezier(0.16, 1, 0.3, 1),
              visibility 0.24s;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  box-sizing: border-box;
  border-top: 1px solid var(--msk-glass-border);
}

.mobile-menu-drawer.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

body.mobile-menu-locked {
  overflow: hidden !important;
  touch-action: none;
}

.mobile-drawer-content {
  max-width: 580px;
  margin: 0 auto;
  width: 100%;
  padding: 1.25rem 1rem 3rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  box-sizing: border-box;
}

.mobile-nav-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.mobile-nav-title {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: hsl(var(--bc) / 0.55);
  padding: 0 0.5rem;
  margin-bottom: 0.15rem;
}

.mobile-nav-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.mobile-nav-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.75rem 0.9rem;
  border-radius: 0.75rem;
  color: hsl(var(--bc));
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: all 0.15s ease;
  background: hsl(var(--b2) / 0.45);
  border: 1px solid hsl(var(--bc) / 0.06);
}

.mobile-nav-item:hover,
.mobile-nav-item:active {
  background: hsl(var(--b2));
  border-color: hsl(var(--bc) / 0.15);
  color: hsl(var(--p));
}

.mobile-nav-item.is-active {
  background: hsl(var(--p) / 0.12);
  border-color: hsl(var(--p) / 0.35);
  color: hsl(var(--p));
  font-weight: 600;
}

.mobile-nav-icon {
  width: 2rem;
  height: 2rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.5rem;
  background: hsl(var(--b1));
  font-size: 1rem;
  flex-shrink: 0;
  border: 1px solid hsl(var(--bc) / 0.06);
}

.mobile-theme-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(95px, 1fr));
  gap: 0.45rem;
}

.mobile-theme-btn {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.55rem 0.7rem;
  border-radius: 0.65rem;
  font-size: 0.82rem;
  font-weight: 600;
  background: hsl(var(--b2) / 0.6);
  border: 1px solid hsl(var(--bc) / 0.12);
  color: hsl(var(--bc));
  cursor: pointer;
  transition: all 0.15s ease;
  justify-content: center;
}

.mobile-theme-btn:hover {
  background: hsl(var(--b2));
  border-color: hsl(var(--p));
}

.mobile-theme-btn.is-active {
  border-color: hsl(var(--p));
  background: hsl(var(--p) / 0.15);
  color: hsl(var(--p));
  box-shadow: 0 0 0 1px hsl(var(--p));
}

.theme-dot {
  width: 9px;
  height: 9px;
  border-radius: 9999px;
  display: inline-block;
  flex-shrink: 0;
}