/* ==========================================================================
   VITRINE. — MODERN DESIGN SYSTEM & STYLESHEET
   Agency-Grade Quality Landing Page — Pixel-Perfect Responsive Layout
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS VARIABLES & DESIGN TOKENS
   -------------------------------------------------------------------------- */
:root {
  /* Brand Palette */
  --color-brand-50: #EEF2FF;
  --color-brand-100: #E0E7FF;
  --color-brand-200: #C7D2FE;
  --color-brand-300: #A5B4FC;
  --color-brand-400: #818CF8;
  --color-brand-500: #6366F1;
  --color-brand-600: #3B34F5;
  --color-brand-700: #2B24D9;
  --color-brand-800: #1E1A9E;
  --color-brand-900: #12105E;

  /* Accent Volt Lime / High Contrast Tag */
  --color-accent-lime: #DCF800;
  --color-accent-lime-hover: #C9E400;
  --color-accent-amber: #FFB800;
  --color-accent-coral: #FF5A5F;
  --color-accent-cyan: #00E5FF;
  --color-accent-emerald: #10B981;

  /* Neutrals */
  --color-surface: #F8F9FC;
  --color-surface-card: #FFFFFF;
  --color-surface-subtle: #F1F4F9;
  --color-border: #E2E8F0;
  --color-border-subtle: #EDF2F7;
  
  --color-text-main: #0B0F19;
  --color-text-muted: #64748B;
  --color-text-light: #94A3B8;

  /* Typography */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-display: 'Plus Jakarta Sans', 'Space Grotesk', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Shadows */
  --shadow-2xs: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-xs: 0 1px 3px rgba(15, 23, 42, 0.06);
  --shadow-sm: 0 2px 6px -1px rgba(15, 23, 42, 0.06), 0 1px 3px rgba(15, 23, 42, 0.03);
  --shadow-md: 0 8px 18px -3px rgba(15, 23, 42, 0.08), 0 4px 8px -2px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 16px 28px -5px rgba(15, 23, 42, 0.10), 0 6px 12px -3px rgba(15, 23, 42, 0.04);
  --shadow-xl: 0 24px 38px -8px rgba(15, 23, 42, 0.12), 0 10px 18px -4px rgba(15, 23, 42, 0.05);
  --shadow-2xl: 0 32px 55px -12px rgba(15, 23, 42, 0.20);
  --shadow-brand-glow: 0 8px 24px -4px rgba(59, 52, 245, 0.35);

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 22px;
  --radius-2xl: 28px;
  --radius-full: 9999px;
}

/* --------------------------------------------------------------------------
   RESET & FOUNDATIONS
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  font-family: var(--font-sans);
  background-color: var(--color-surface);
  color: var(--color-text-main);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  padding: 0;
  line-height: 1.55;
  overflow-x: hidden;
}

/* --------------------------------------------------------------------------
   HERO CARDS 3D INTERACTIVE SWAP (EQUAL SIZE & FLUID TRANSITION)
   -------------------------------------------------------------------------- */
.hero-back-card, .hero-front-card {
  transition: transform 0.55s cubic-bezier(0.34, 1.4, 0.64, 1), z-index 0.3s ease, box-shadow 0.4s ease, opacity 0.35s ease;
  cursor: pointer;
  user-select: none;
}

.hero-back-card {
  transform: translate(-14px, -24px) rotate(-3deg);
  z-index: 10;
  opacity: 0.95;
}

.hero-back-card:hover {
  transform: translate(-18px, -30px) rotate(-4deg);
}

.hero-front-card {
  transform: translate(0, 0) rotate(0deg);
  z-index: 20;
}

.hero-visual-wrapper.swapped .hero-back-card {
  z-index: 30 !important;
  transform: translate(0, 0) rotate(0deg) scale(1.02) !important;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.45) !important;
  opacity: 1 !important;
}

.hero-visual-wrapper.swapped .hero-front-card {
  z-index: 10 !important;
  transform: translate(16px, -24px) rotate(3deg) scale(0.96) !important;
  opacity: 0.9 !important;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.15) !important;
}

@media (max-width: 640px) {
  .hero-back-card {
    transform: translate(-8px, -16px) rotate(-2deg);
  }
  .hero-visual-wrapper.swapped .hero-front-card {
    transform: translate(8px, -16px) rotate(2deg) scale(0.96) !important;
  }
}

.bg-grid-pattern {
  background-size: 32px 32px;
  background-image: 
    linear-gradient(to right, rgba(0, 0, 0, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0, 0, 0, 0.04) 1px, transparent 1px);
}

:focus-visible {
  outline: 2px solid var(--color-brand-600);
  outline-offset: 3px;
  border-radius: 4px;
}

/* --------------------------------------------------------------------------
   STICKY HEADER & ANNOUNCEMENT BAR
   -------------------------------------------------------------------------- */
.top-announcement-bar {
  position: relative;
  z-index: 1001;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
}

.nav-link {
  position: relative;
  padding: 0.5rem 0;
  transition: color 0.2s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-brand-600);
  transition: width 0.2s ease;
}

.nav-link:hover::after {
  width: 100%;
}

/* --------------------------------------------------------------------------
   HERO TYPOGRAPHY & HIGHLIGHT (CROSS-PLATFORM MOBILE & DESKTOP)
   -------------------------------------------------------------------------- */
.hero-title {
  line-height: 1.15;
  letter-spacing: -0.03em;
  font-weight: 800;
}

.highlight-headline {
  position: relative;
  display: inline;
  color: var(--color-brand-600);
  background: linear-gradient(135deg, #3B34F5 0%, #6366F1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
  text-decoration: underline wavy #DCF800 !important;
  -webkit-text-decoration: underline wavy #DCF800 !important;
  text-decoration-color: #DCF800 !important;
  -webkit-text-decoration-color: #DCF800 !important;
  text-decoration-thickness: 3.5px;
  text-underline-offset: 6px;
}

@media (max-width: 640px) {
  .highlight-headline {
    text-decoration-thickness: 2.5px;
    text-underline-offset: 4.5px;
  }
}

/* --------------------------------------------------------------------------
   BUTTON STYLES
   -------------------------------------------------------------------------- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--color-brand-600);
  color: #FFFFFF !important;
  font-weight: 700;
  font-size: 0.875rem;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-full);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 4px 14px 0 rgba(59, 52, 245, 0.3);
  text-align: center;
  border: 1px solid transparent;
}

.btn-primary:hover {
  background-color: var(--color-brand-700);
  transform: translateY(-2px);
  box-shadow: 0 8px 22px 0 rgba(59, 52, 245, 0.45);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: #FFFFFF;
  color: var(--color-text-main);
  font-weight: 700;
  font-size: 0.875rem;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  transition: all 0.25s ease;
  box-shadow: var(--shadow-xs);
  text-align: center;
}

.btn-secondary:hover {
  background-color: var(--color-surface-subtle);
  border-color: #CBD5E1;
  transform: translateY(-2px);
}

.btn-secondary-dark {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: rgba(255, 255, 255, 0.08);
  color: #FFFFFF;
  font-weight: 700;
  font-size: 0.875rem;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(8px);
  transition: all 0.25s ease;
  text-align: center;
}

.btn-secondary-dark:hover {
  background-color: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.35);
  transform: translateY(-2px);
}

.btn-accent {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--color-accent-lime);
  color: #0B0F19 !important;
  font-weight: 800;
  font-size: 0.95rem;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-full);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 6px 20px 0 rgba(220, 248, 0, 0.4);
  text-align: center;
}

.btn-accent:hover {
  background-color: var(--color-accent-lime-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px 0 rgba(220, 248, 0, 0.55);
}

/* --------------------------------------------------------------------------
   SIGNATURE RETAIL PRICE TAG MOTIF (ONLY ONE PULSING EYELET HOLE)
   -------------------------------------------------------------------------- */
.price-tag {
  position: absolute;
  padding: 6px 14px 7px 22px;
  border-radius: 6px 14px 14px 6px;
  font-family: var(--font-mono);
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  line-height: 1;
  pointer-events: none;
  transform-origin: center center;
  border: 1px solid rgba(0, 0, 0, 0.14);
  z-index: 40;
  box-shadow: 0 10px 22px -3px rgba(0, 0, 0, 0.22);
}

/* Eyelet / Hole Punch on physical price tag WITH PULSE EFFECT */
@keyframes pulseHoleAnimation {
  0%, 100% {
    transform: translateY(-50%) scale(0.85);
    opacity: 0.45;
  }
  50% {
    transform: translateY(-50%) scale(1.3);
    opacity: 1;
    box-shadow: 0 0 8px rgba(255, 255, 255, 0.9);
  }
}

.price-tag-hole {
  position: absolute;
  left: 7px;
  top: 50%;
  transform: translateY(-50%);
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: #0F172A;
  border: 1px solid rgba(255, 255, 255, 0.6);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.6);
  animation: pulseHoleAnimation 1.2s ease-in-out infinite;
}

.price-tag-sub {
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.08em;
  opacity: 0.9;
}

.price-tag-val {
  font-size: 13px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-top: 2px;
}

.price-tag-badge {
  font-size: 7px;
  font-weight: 800;
  background: rgba(0, 0, 0, 0.85);
  color: #FFFFFF;
  padding: 1px 4px;
  border-radius: 3px;
  margin-top: 2px;
  letter-spacing: 0.05em;
}

/* Price Tag Color Variations */
.price-tag-lime {
  background: linear-gradient(135deg, #E2F804 0%, #C9E400 100%);
  color: #0A0F1D;
  box-shadow: 0 8px 18px -2px rgba(220, 248, 0, 0.45);
}

.price-tag-amber {
  background: linear-gradient(135deg, #FFC107 0%, #FF9800 100%);
  color: #1A1300;
  box-shadow: 0 8px 18px -2px rgba(255, 152, 0, 0.35);
}

.price-tag-cyan {
  background: linear-gradient(135deg, #38BDF8 0%, #0284C7 100%);
  color: #FFFFFF;
  box-shadow: 0 8px 18px -2px rgba(2, 132, 199, 0.35);
}

.price-tag-emerald {
  background: linear-gradient(135deg, #34D399 0%, #059669 100%);
  color: #FFFFFF;
  box-shadow: 0 8px 18px -2px rgba(5, 150, 105, 0.35);
}

.price-tag-orange {
  background: linear-gradient(135deg, #FB923C 0%, #EA580C 100%);
  color: #FFFFFF;
  box-shadow: 0 8px 18px -2px rgba(234, 88, 12, 0.35);
}

.price-tag-rose {
  background: linear-gradient(135deg, #FB7185 0%, #E11D48 100%);
  color: #FFFFFF;
  box-shadow: 0 8px 18px -2px rgba(225, 29, 72, 0.35);
}

.price-tag-red {
  background: linear-gradient(135deg, #EF4444 0%, #B91C1C 100%);
  color: #FFFFFF;
  box-shadow: 0 8px 18px -2px rgba(185, 28, 28, 0.35);
}

.price-tag-purple {
  background: linear-gradient(135deg, #C084FC 0%, #7E22CE 100%);
  color: #FFFFFF;
  box-shadow: 0 8px 18px -2px rgba(126, 34, 206, 0.35);
}

.price-tag-indigo {
  background: linear-gradient(135deg, #818CF8 0%, #4338CA 100%);
  color: #FFFFFF;
  box-shadow: 0 8px 18px -2px rgba(67, 56, 202, 0.35);
}

.price-tag-teal {
  background: linear-gradient(135deg, #2DD4BF 0%, #0F766E 100%);
  color: #FFFFFF;
  box-shadow: 0 8px 18px -2px rgba(15, 118, 110, 0.35);
}

.price-tag-fuchsia {
  background: linear-gradient(135deg, #F472B6 0%, #C026D3 100%);
  color: #FFFFFF;
  box-shadow: 0 8px 18px -2px rgba(192, 38, 211, 0.35);
}

.price-tag-slate {
  background: linear-gradient(135deg, #334155 0%, #0F172A 100%);
  color: #FFFFFF;
  box-shadow: 0 8px 18px -2px rgba(15, 23, 42, 0.45);
}

/* --------------------------------------------------------------------------
   BROWSER FRAME & CATALOG CARD
   -------------------------------------------------------------------------- */
.catalog-card {
  position: relative;
  background-color: var(--color-surface-card);
  border-radius: var(--radius-2xl);
  border: 1px solid var(--color-border);
  padding: 1rem;
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  overflow: visible !important;
}

.catalog-card:hover {
  transform: translateY(-6px);
  border-color: #CBD5E1;
  box-shadow: var(--shadow-xl);
}

.browser-frame {
  position: relative;
  background-color: #F1F5F9;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.browser-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 0.85rem;
  background-color: #E2E8F0;
  border-bottom: 1px solid var(--color-border);
  border-top-left-radius: var(--radius-lg);
  border-top-right-radius: var(--radius-lg);
}

.browser-dots {
  display: flex;
  align-items: center;
  gap: 5px;
}

.browser-dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.browser-dots span:nth-child(1) { background-color: #F87171; }
.browser-dots span:nth-child(2) { background-color: #FBBF24; }
.browser-dots span:nth-child(3) { background-color: #34D399; }

.browser-url {
  background-color: #FFFFFF;
  padding: 2px 10px;
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--color-text-muted);
  border: 1px solid rgba(0, 0, 0, 0.06);
}

.mockup-screen {
  border-bottom-left-radius: var(--radius-lg);
  border-bottom-right-radius: var(--radius-lg);
  overflow: hidden;
}

.card-info {
  padding: 1.25rem 0.5rem 0.5rem 0.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  flex-grow: 1;
}

.preview-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background-color: var(--color-brand-50);
  color: var(--color-brand-600);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.45rem 0.8rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-brand-200);
  transition: all 0.2s ease;
  white-space: nowrap;
}

.preview-btn:hover {
  background-color: var(--color-brand-600);
  color: #FFFFFF;
  border-color: var(--color-brand-600);
}

/* --------------------------------------------------------------------------
   FILTER PILLS
   -------------------------------------------------------------------------- */
.filter-btn {
  padding: 0.55rem 1.15rem;
  font-size: 0.825rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  background-color: #FFFFFF;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  transition: all 0.2s ease;
}

.filter-btn:hover {
  background-color: var(--color-surface-subtle);
  color: var(--color-text-main);
  border-color: #CBD5E1;
}

.filter-btn.active {
  background-color: var(--color-text-main);
  color: #FFFFFF;
  border-color: var(--color-text-main);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}

/* --------------------------------------------------------------------------
   MARQUEE INFINITE TICKER
   -------------------------------------------------------------------------- */
.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee 35s linear infinite;
}

.marquee-track:hover {
  animation-play-state: paused;
}

.marquee-content {
  display: flex;
  gap: 2rem;
  padding-right: 2rem;
  white-space: nowrap;
}

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

/* --------------------------------------------------------------------------
   ACCORDION STYLES (FAQ)
   -------------------------------------------------------------------------- */
.faq-item {
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.faq-item.active {
  border-color: var(--color-brand-400);
  box-shadow: 0 4px 16px -2px rgba(59, 52, 245, 0.08);
}

.faq-item.active .faq-chevron {
  transform: rotate(180deg);
  color: var(--color-brand-600);
}

/* --------------------------------------------------------------------------
   ANIMATIONS & REVEAL ON SCROLL
   -------------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

@keyframes scaleUp {
  0% { opacity: 0; transform: scale(0.96); }
  100% { opacity: 1; transform: scale(1); }
}

.animate-scale-up {
  animation: scaleUp 0.25s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@media (prefers-reduced-motion: reduce) {
  *, ::before, ::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .marquee-track {
    animation: none;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}