/* ==========================================================================
   YNGPH Gateway Portal - Core Stylesheet
   Modern Enterprise UI/UX Design System inspired by HSB (yngph.com/hsb/)
   Features: Dual Light/Dark Themes, Glassmorphism, Dynamic Cursor Glow,
             Accessible Dialog Modal, Marquee Ticker, and Responsive Grid.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Poppins:wght@400;500;600;700;800&display=swap');

:root {
  /* Typography */
  --font-heading: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Theme Accents */
  --color-primary: #6366f1;       /* Brand Indigo */
  --color-primary-hover: #4f46e5;
  --color-primary-light: #818cf8;
  --color-cyan: #06b6d4;          /* Payroll Cyan */
  --color-pink: #f43f5e;          /* Curex Pink/Rose */
  --color-emerald: #10b981;       /* Loans Emerald */
  --color-amber: #f59e0b;         /* HSB Amber */
  --color-violet: #8b5cf6;        /* Hussle Violet */

  /* Dark Theme Variables (Default) */
  --bg-app: #080c16;
  --bg-card: rgba(15, 23, 42, 0.65);
  --bg-card-hover: rgba(26, 36, 61, 0.85);
  --bg-glass: rgba(15, 23, 42, 0.75);
  --bg-input: rgba(15, 23, 42, 0.8);
  --border-color: rgba(255, 255, 255, 0.09);
  --border-color-hover: rgba(255, 255, 255, 0.22);
  --border-subtle: rgba(255, 255, 255, 0.05);

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --nav-bg: rgba(8, 12, 22, 0.82);
  --modal-bg: rgba(15, 23, 42, 0.95);
  --modal-backdrop: rgba(3, 7, 18, 0.78);
  --toast-bg: rgba(15, 23, 42, 0.92);

  --shadow-glow: rgba(99, 102, 241, 0.16);
  --mouse-glow-color: rgba(255, 255, 255, 0.18);
  --blob-opacity: 0.14;

  --btn-ghost-bg: rgba(255, 255, 255, 0.05);
  --btn-ghost-hover: rgba(255, 255, 255, 0.1);
  --tag-bg: rgba(255, 255, 255, 0.05);
  --tag-active-bg: var(--color-primary);
  --tag-active-text: #ffffff;

  /* Transitions */
  --tr-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
  --tr-normal: 0.28s cubic-bezier(0.25, 0.8, 0.25, 1);
  --tr-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Light Theme Variables */
:root[data-theme="light"] {
  --bg-app: #f8fafc;
  --bg-card: rgba(255, 255, 255, 0.82);
  --bg-card-hover: rgba(255, 255, 255, 0.98);
  --bg-glass: rgba(255, 255, 255, 0.85);
  --bg-input: #ffffff;
  --border-color: rgba(0, 0, 0, 0.08);
  --border-color-hover: rgba(0, 0, 0, 0.18);
  --border-subtle: rgba(0, 0, 0, 0.04);

  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dim: #94a3b8;

  --nav-bg: rgba(248, 250, 252, 0.85);
  --modal-bg: rgba(255, 255, 255, 0.98);
  --modal-backdrop: rgba(15, 23, 42, 0.45);
  --toast-bg: rgba(255, 255, 255, 0.96);

  --shadow-glow: rgba(99, 102, 241, 0.09);
  --mouse-glow-color: rgba(0, 0, 0, 0.08);
  --blob-opacity: 0.08;

  --btn-ghost-bg: rgba(0, 0, 0, 0.04);
  --btn-ghost-hover: rgba(0, 0, 0, 0.08);
  --tag-bg: rgba(0, 0, 0, 0.04);
  --tag-active-bg: var(--color-primary);
  --tag-active-text: #ffffff;
}

/* Base Reset */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

html[data-theme="light"] {
  color-scheme: light;
}

body {
  background-color: var(--bg-app);
  color: var(--text-main);
  font-family: var(--font-body);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
  transition: background-color var(--tr-normal), color var(--tr-normal);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Background Ambient Lighting Blobs */
.bg-ambient-decor {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: var(--blob-opacity);
  transition: opacity var(--tr-normal);
}

.blob-1 {
  width: 55vw;
  height: 55vw;
  max-width: 700px;
  max-height: 700px;
  top: -10vw;
  left: -10vw;
  background: radial-gradient(circle, var(--color-primary) 0%, transparent 70%);
  animation: floatSlow 28s infinite ease-in-out;
}

.blob-2 {
  width: 50vw;
  height: 50vw;
  max-width: 650px;
  max-height: 650px;
  bottom: 10vh;
  right: -8vw;
  background: radial-gradient(circle, var(--color-cyan) 0%, transparent 70%);
  animation: floatSlowReverse 32s infinite ease-in-out;
}

.blob-3 {
  width: 35vw;
  height: 35vw;
  max-width: 450px;
  max-height: 450px;
  top: 40vh;
  left: 30vw;
  background: radial-gradient(circle, var(--color-violet) 0%, transparent 70%);
  opacity: calc(var(--blob-opacity) * 0.7);
}

@keyframes floatSlow {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(6vw, 4vw) scale(1.08); }
}

@keyframes floatSlowReverse {
  0%, 100% { transform: translate(0, 0) scale(1.08); }
  50% { transform: translate(-5vw, -4vw) scale(1); }
}

/* ==========================================================================
   1. Announcement Bar
   ========================================================================== */
.announcement-bar {
  background: linear-gradient(90deg, rgba(99, 102, 241, 0.15) 0%, rgba(6, 182, 212, 0.15) 100%);
  border-bottom: 1px solid var(--border-color);
  padding: 0.6rem 1.5rem;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  position: relative;
  z-index: 50;
  backdrop-filter: blur(10px);
}

.announcement-bar.hidden {
  display: none;
}

.announcement-content {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  justify-content: center;
  font-weight: 500;
}

.announcement-badge {
  background: var(--color-primary);
  color: #ffffff;
  padding: 0.15rem 0.55rem;
  border-radius: 9999px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.announcement-link {
  color: var(--color-cyan);
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  transition: var(--tr-fast);
  cursor: pointer;
  background: none;
  border: none;
  font-family: inherit;
  font-size: inherit;
  padding: 0;
}

.announcement-link:hover {
  color: var(--color-primary-light);
  text-decoration: underline;
}

.announcement-close {
  background: transparent;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  padding: 0.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  transition: var(--tr-fast);
  margin-left: 0.5rem;
}

.announcement-close:hover {
  color: var(--text-main);
  background: var(--btn-ghost-hover);
}

/* ==========================================================================
   2. Header & Navigation
   ========================================================================== */
header.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--nav-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  transition: background-color var(--tr-normal), border-color var(--tr-normal);
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1rem 1.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
  color: inherit;
}

.brand-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-cyan) 100%);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
  background: linear-gradient(135deg, var(--text-main) 40%, var(--text-muted) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-name span {
  background: linear-gradient(135deg, var(--color-cyan) 0%, var(--color-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-subtitle {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

/* System Status Live Widget */
.status-pill {
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.25);
  color: var(--color-emerald);
  padding: 0.45rem 0.9rem;
  border-radius: 9999px;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  backdrop-filter: blur(8px);
}

.pulse-dot {
  width: 7px;
  height: 7px;
  background-color: var(--color-emerald);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--color-emerald);
  animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* Live Time Widget */
.clock-widget {
  background: var(--btn-ghost-bg);
  border: 1px solid var(--border-color);
  padding: 0.45rem 0.85rem;
  border-radius: 10px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  font-family: var(--font-heading);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

/* Theme Toggle Button */
.theme-toggle-btn {
  background: var(--btn-ghost-bg);
  border: 1px solid var(--border-color);
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-main);
  transition: var(--tr-normal);
  outline: none;
}

.theme-toggle-btn:hover {
  background: var(--btn-ghost-hover);
  border-color: var(--border-color-hover);
  transform: translateY(-2px);
}

.theme-toggle-btn svg {
  width: 19px;
  height: 19px;
  transition: transform 0.45s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.theme-toggle-btn:hover svg {
  transform: rotate(25deg);
}

/* Header Action APK Button */
.btn-apk-header {
  background: linear-gradient(135deg, var(--color-primary) 0%, #4338ca 100%);
  color: #ffffff;
  padding: 0.5rem 1rem;
  border-radius: 10px;
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.25);
  transition: var(--tr-normal);
  cursor: pointer;
}

.btn-apk-header:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
}

/* ==========================================================================
   3. Main Page & Hero Section
   ========================================================================== */
main.main-content {
  flex: 1;
  position: relative;
  z-index: 10;
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
  padding: 2.5rem 1.75rem 5rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 3.5rem;
}

/* Hero */
.hero-section {
  text-align: center;
  max-width: 820px;
  margin: 1rem auto 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.35rem;
  animation: fadeInDown 0.7s var(--tr-smooth);
}

.hero-pill {
  background: rgba(99, 102, 241, 0.08);
  border: 1px solid rgba(99, 102, 241, 0.25);
  color: var(--color-primary-light);
  padding: 0.35rem 0.95rem;
  border-radius: 9999px;
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

:root[data-theme="light"] .hero-pill {
  color: var(--color-primary);
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 5vw, 3.75rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
}

.gradient-text {
  background: linear-gradient(135deg, var(--color-cyan) 0%, var(--color-primary) 50%, var(--color-pink) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline;
}

.hero-description {
  color: var(--text-muted);
  font-size: clamp(1rem, 2vw, 1.15rem);
  line-height: 1.65;
  max-width: 680px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}

.btn-primary-cta {
  background: linear-gradient(135deg, var(--color-primary) 0%, #4338ca 100%);
  color: #ffffff;
  padding: 0.85rem 1.65rem;
  border-radius: 14px;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.3);
  transition: var(--tr-normal);
  cursor: pointer;
}

.btn-primary-cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(99, 102, 241, 0.45);
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
}

.btn-ghost-cta {
  background: var(--btn-ghost-bg);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  padding: 0.85rem 1.65rem;
  border-radius: 14px;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  transition: var(--tr-normal);
  cursor: pointer;
  backdrop-filter: blur(10px);
}

.btn-ghost-cta:hover {
  background: var(--btn-ghost-hover);
  border-color: var(--border-color-hover);
  transform: translateY(-3px);
}

/* Hero Stats Row */
.hero-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  max-width: 880px;
  width: 100%;
  margin: 1rem auto 0 auto;
}

.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 1.15rem 1rem;
  border-radius: 18px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  backdrop-filter: blur(12px);
  transition: var(--tr-normal);
}

.metric-card:hover {
  border-color: var(--border-color-hover);
  transform: translateY(-2px);
}

.metric-value {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-main);
}

.metric-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-top: 0.15rem;
}

/* ==========================================================================
   4. Platform Marquee Ticker
   ========================================================================== */
.marquee-container {
  width: 100%;
  overflow: hidden;
  position: relative;
  mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
  padding: 0.5rem 0;
}

.marquee-track {
  display: flex;
  gap: 1.5rem;
  width: max-content;
  animation: scrollMarquee 35s linear infinite;
}

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

.marquee-item {
  background: var(--btn-ghost-bg);
  border: 1px solid var(--border-color);
  padding: 0.5rem 1.15rem;
  border-radius: 9999px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  white-space: nowrap;
  backdrop-filter: blur(8px);
}

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

/* ==========================================================================
   5. Search and Category Filter Section
   ========================================================================== */
.catalog-header {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.filter-bar {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.search-wrapper {
  position: relative;
  max-width: 550px;
  width: 100%;
  margin: 0 auto;
}

.search-input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  padding: 0.95rem 1.25rem 0.95rem 3rem;
  border-radius: 16px;
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  transition: var(--tr-normal);
  backdrop-filter: blur(12px);
}

.search-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 24px var(--shadow-glow);
}

.search-icon-svg {
  position: absolute;
  left: 1.15rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
  pointer-events: none;
  width: 20px;
  height: 20px;
}

.search-clear-btn {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  padding: 0.25rem;
  display: none;
  align-items: center;
  justify-content: center;
}

.search-clear-btn.visible {
  display: flex;
}

/* Category Filter Tags */
.category-filters {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.filter-chip {
  background: var(--tag-bg);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 0.45rem 1rem;
  border-radius: 9999px;
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--tr-fast);
  outline: none;
}

.filter-chip:hover {
  background: var(--btn-ghost-hover);
  color: var(--text-main);
  border-color: var(--border-color-hover);
}

.filter-chip.active {
  background: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.35);
}

/* Results Count Bar */
.results-counter {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: var(--text-muted);
  padding: 0 0.5rem;
}

/* ==========================================================================
   6. System Cards Grid
   ========================================================================== */
.system-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.75rem;
  width: 100%;
}

.system-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  padding: 2.2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.75rem;
  position: relative;
  overflow: hidden;
  transition: transform var(--tr-normal), border-color var(--tr-normal), box-shadow var(--tr-normal), background-color var(--tr-normal);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  cursor: pointer;
}

/* Dynamic Cursor-Following Glow */
.system-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 24px;
  padding: 1.5px;
  background: radial-gradient(circle 220px at var(--mouse-x, 50%) var(--mouse-y, 50%), var(--mouse-glow-color), transparent 80%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.system-card:hover::before {
  opacity: 1;
}

.system-card:hover {
  transform: translateY(-6px);
  background-color: var(--bg-card-hover);
  border-color: var(--border-color-hover);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.16), 0 0 32px var(--card-glow-color, var(--shadow-glow));
}

.card-top-content {
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
}

.card-badge-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-category-badge {
  font-family: var(--font-heading);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  background: var(--tag-bg);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
}

.card-status-indicator {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-emerald);
}

.card-status-dot {
  width: 6px;
  height: 6px;
  background-color: var(--color-emerald);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--color-emerald);
}

/* Card Icons */
.card-icon-box {
  width: 58px;
  height: 58px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: var(--btn-ghost-bg);
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.card-icon-box::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 18px;
  opacity: 0.14;
}

:root[data-theme="light"] .card-icon-box::after {
  opacity: 0.2;
}

.card-icon-box svg {
  width: 28px;
  height: 28px;
  z-index: 2;
}

.card-logo-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 14px;
  padding: 5px;
  z-index: 2;
  transition: transform var(--tr-normal);
}

.system-card:hover .card-logo-img {
  transform: scale(1.08);
}

.brand-icon img.brand-logo-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 10px;
}

.apk-modal-icon-badge img.modal-logo-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 12px;
}

/* Theme specifics for cards */
.system-card[data-theme="violet"] { --card-glow-color: rgba(139, 92, 246, 0.22); }
.system-card[data-theme="violet"] .card-icon-box { color: var(--color-violet); }
.system-card[data-theme="violet"] .card-icon-box::after { background-color: var(--color-violet); }

.system-card[data-theme="cyan"] { --card-glow-color: rgba(6, 182, 212, 0.22); }
.system-card[data-theme="cyan"] .card-icon-box { color: var(--color-cyan); }
.system-card[data-theme="cyan"] .card-icon-box::after { background-color: var(--color-cyan); }

.system-card[data-theme="pink"] { --card-glow-color: rgba(244, 63, 94, 0.22); }
.system-card[data-theme="pink"] .card-icon-box { color: var(--color-pink); }
.system-card[data-theme="pink"] .card-icon-box::after { background-color: var(--color-pink); }

.system-card[data-theme="emerald"] { --card-glow-color: rgba(16, 185, 129, 0.22); }
.system-card[data-theme="emerald"] .card-icon-box { color: var(--color-emerald); }
.system-card[data-theme="emerald"] .card-icon-box::after { background-color: var(--color-emerald); }

.system-card[data-theme="amber"] { --card-glow-color: rgba(245, 158, 11, 0.22); }
.system-card[data-theme="amber"] .card-icon-box { color: var(--color-amber); }
.system-card[data-theme="amber"] .card-icon-box::after { background-color: var(--color-amber); }

.card-title {
  font-family: var(--font-heading);
  font-size: 1.32rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.01em;
}

.card-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-top: 0.35rem;
}

/* Card Button Actions */
.card-actions-wrapper {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  width: 100%;
}

.card-btn-launch {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.8rem 1.25rem;
  border-radius: 14px;
  background: var(--btn-ghost-bg);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  transition: var(--tr-normal);
  cursor: pointer;
}

.card-btn-launch svg {
  width: 17px;
  height: 17px;
  transition: transform var(--tr-fast);
}

.system-card:hover .card-btn-launch {
  background: var(--text-main);
  color: var(--bg-app);
  border-color: var(--text-main);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
}

.system-card:hover .card-btn-launch svg {
  transform: translateX(4px);
}

/* Special APK Download Sub-action (e.g. for HSB Card) */
.card-btn-apk-sub {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1rem;
  border-radius: 12px;
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.25);
  color: var(--color-amber);
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none;
  transition: var(--tr-normal);
  cursor: pointer;
}

.card-btn-apk-sub:hover {
  background: rgba(245, 158, 11, 0.16);
  border-color: rgba(245, 158, 11, 0.45);
  transform: translateY(-1px);
}

/* No Results Notice */
.no-results-box {
  grid-column: 1 / -1;
  text-align: center;
  padding: 4.5rem 2rem;
  background: var(--bg-card);
  border: 1px dashed var(--border-color);
  border-radius: 24px;
  color: var(--text-muted);
}

.no-results-box svg {
  width: 48px;
  height: 48px;
  color: var(--text-dim);
  margin-bottom: 1rem;
}

.no-results-box h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--text-main);
  margin-bottom: 0.4rem;
}

/* ==========================================================================
   7. Mobile APK Feature Spotlight Section
   ========================================================================== */
.mobile-app-spotlight {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.09) 0%, rgba(6, 182, 212, 0.07) 100%);
  border: 1px solid var(--border-color);
  border-radius: 28px;
  padding: 3rem 2.5rem;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2.5rem;
  align-items: center;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(16px);
}

.spotlight-content {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.spotlight-pill {
  background: rgba(99, 102, 241, 0.15);
  color: var(--color-primary-light);
  border: 1px solid rgba(99, 102, 241, 0.3);
  padding: 0.3rem 0.85rem;
  border-radius: 9999px;
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  width: fit-content;
}

:root[data-theme="light"] .spotlight-pill {
  color: var(--color-primary);
}

.spotlight-title {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.spotlight-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.spotlight-features-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  list-style: none;
}

.spotlight-feature-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-main);
}

.spotlight-feature-item svg {
  color: var(--color-emerald);
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.spotlight-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}

.spotlight-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

/* Phone Mockup Card */
.phone-mockup-card {
  width: 240px;
  background: var(--bg-card);
  border: 2px solid var(--border-color);
  border-radius: 36px;
  padding: 1rem;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.35);
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  transform: rotate(-3deg);
  transition: transform var(--tr-smooth);
}

.phone-mockup-card:hover {
  transform: rotate(0deg) scale(1.03);
}

.phone-mock-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 0.5rem;
}

.phone-speaker {
  width: 50px;
  height: 4px;
  background: var(--border-color);
  border-radius: 9999px;
  margin: 0 auto;
}

.phone-screen-content {
  background: var(--bg-app);
  border-radius: 24px;
  padding: 1.25rem;
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.phone-stat-badge {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--color-emerald);
  padding: 0.4rem;
  border-radius: 10px;
  font-size: 0.75rem;
  font-weight: 700;
  text-align: center;
}

.phone-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  padding: 0.35rem 0;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-muted);
}

.phone-row b {
  color: var(--text-main);
}

/* ==========================================================================
   8. APK Download Confirmation Modal Dialog
   ========================================================================== */
dialog.apk-modal {
  border: none;
  background: transparent;
  padding: 0;
  max-width: 560px;
  width: 90vw;
  margin: auto;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.45);
}

dialog.apk-modal::backdrop {
  background: var(--modal-backdrop);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  animation: fadeIn 0.25s ease;
}

dialog[open].apk-modal {
  animation: modalEnter 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalEnter {
  from {
    opacity: 0;
    transform: scale(0.94) translateY(20px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.apk-modal-panel {
  background: var(--modal-bg);
  border: 1px solid var(--border-color);
  border-radius: 28px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Modal Header */
.apk-modal-head {
  padding: 1.75rem 2rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.apk-modal-title-group {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.apk-modal-icon-badge {
  width: 48px;
  height: 48px;
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.25);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary-light);
}

:root[data-theme="light"] .apk-modal-icon-badge {
  color: var(--color-primary);
}

.apk-modal-head-text h2 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.2;
}

.apk-modal-head-text p {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.apk-modal-close-btn {
  background: var(--btn-ghost-bg);
  border: 1px solid var(--border-color);
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  cursor: pointer;
  transition: var(--tr-fast);
}

.apk-modal-close-btn:hover {
  color: var(--text-main);
  background: var(--btn-ghost-hover);
}

/* Modal Body */
.apk-modal-body {
  padding: 1.75rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
  max-height: 70vh;
  overflow-y: auto;
}

.apk-notice-summary {
  background: rgba(99, 102, 241, 0.06);
  border: 1px solid rgba(99, 102, 241, 0.15);
  border-radius: 14px;
  padding: 0.9rem 1.15rem;
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.apk-notice-summary strong {
  color: var(--text-main);
  display: block;
  font-family: var(--font-heading);
  margin-bottom: 0.15rem;
}

/* Details Grid / Table */
.apk-specs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.apk-spec-item {
  background: var(--btn-ghost-bg);
  border: 1px solid var(--border-color);
  padding: 0.75rem 1rem;
  border-radius: 14px;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.apk-spec-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-dim);
  font-weight: 600;
}

.apk-spec-value {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-main);
}

.apk-spec-value.highlight-version {
  color: var(--color-primary-light);
}

:root[data-theme="light"] .apk-spec-value.highlight-version {
  color: var(--color-primary);
}

/* Changelog Card */
.apk-changelog-card {
  background: var(--btn-ghost-bg);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 0.9rem 1.15rem;
}

.apk-changelog-title {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-dim);
  margin-bottom: 0.35rem;
}

.apk-changelog-text {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Security Verification Note */
.apk-security-note {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.45;
  background: rgba(16, 185, 129, 0.06);
  border: 1px solid rgba(16, 185, 129, 0.2);
  padding: 0.85rem 1.1rem;
  border-radius: 14px;
}

.apk-security-note svg {
  color: var(--color-emerald);
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

/* Modal Actions Footer */
.apk-modal-actions {
  padding: 1.25rem 2rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 0.85rem;
  background: var(--btn-ghost-bg);
}

.btn-modal-cancel {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 0.75rem 1.35rem;
  border-radius: 12px;
  font-family: var(--font-heading);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--tr-fast);
}

.btn-modal-cancel:hover {
  background: var(--btn-ghost-hover);
  border-color: var(--border-color-hover);
}

.btn-modal-confirm {
  background: linear-gradient(135deg, var(--color-primary) 0%, #4338ca 100%);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #ffffff;
  padding: 0.75rem 1.5rem;
  border-radius: 12px;
  font-family: var(--font-heading);
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.35);
  transition: var(--tr-fast);
  cursor: pointer;
}

.btn-modal-confirm:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 22px rgba(99, 102, 241, 0.5);
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
}

/* ==========================================================================
   9. Toast Notifications
   ========================================================================== */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  z-index: 9999;
  pointer-events: none;
}

.toast {
  background: var(--toast-bg);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 0.9rem 1.4rem;
  border-radius: 16px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.88rem;
  transform: translateY(100px);
  opacity: 0;
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.3s ease;
  pointer-events: auto;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary-light);
}

:root[data-theme="light"] .toast-icon {
  color: var(--color-primary);
}

/* ==========================================================================
   10. Footer
   ========================================================================== */
footer.site-footer {
  border-top: 1px solid var(--border-color);
  background: var(--nav-bg);
  backdrop-filter: blur(16px);
  margin-top: auto;
  position: relative;
  z-index: 10;
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 3rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.footer-links-group {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  flex-wrap: wrap;
}

.footer-link {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  transition: var(--tr-fast);
}

.footer-link:hover {
  color: var(--text-main);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  border-top: 1px solid var(--border-subtle);
  padding-top: 1.5rem;
  font-size: 0.8rem;
  color: var(--text-dim);
}

.system-version-tag {
  font-family: var(--font-heading);
  background: var(--tag-bg);
  padding: 0.2rem 0.6rem;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  font-size: 0.75rem;
}

/* ==========================================================================
   11. Animations & Responsive Breakpoints
   ========================================================================== */
@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@media (max-width: 992px) {
  .hero-metrics {
    grid-template-columns: repeat(2, 1fr);
  }

  .mobile-app-spotlight {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 2.5rem 1.75rem;
  }

  .spotlight-content {
    align-items: center;
  }

  .spotlight-features-list {
    text-align: left;
  }

  .phone-mockup-card {
    transform: none;
  }
}

@media (max-width: 768px) {
  .nav-container {
    padding: 0.85rem 1.25rem;
  }

  .brand-subtitle,
  .clock-widget {
    display: none;
  }

  main.main-content {
    padding: 1.75rem 1.25rem 3.5rem 1.25rem;
    gap: 2.5rem;
  }

  .system-grid {
    grid-template-columns: 1fr;
  }

  .apk-specs-grid {
    grid-template-columns: 1fr;
  }

  .spotlight-features-list {
    grid-template-columns: 1fr;
  }

  .footer-top {
    flex-direction: column;
    align-items: flex-start;
  }

  .toast-container {
    bottom: 1rem;
    right: 1rem;
    left: 1rem;
  }

  .toast {
    width: 100%;
    justify-content: center;
  }
}