/* =========================================
   冷却ウェアチェック - 涼し気テーマ
   Cool Summer Flow Design
   ========================================= */

/* ---------- CSS Variables ---------- */
:root {
  /* Colors - Arctic Cool Theme */
  --color-bg-primary: linear-gradient(180deg, #0a192f 0%, #0d2847 50%, #071525 100%);
  --color-bg-secondary: rgba(13, 40, 71, 0.8);
  --color-bg-card: rgba(20, 60, 100, 0.4);
  --color-bg-card-hover: rgba(30, 80, 130, 0.5);
  --color-bg-glass: rgba(255, 255, 255, 0.05);

  /* Cool Gradient Accents */
  --color-accent-primary: #00d4ff;
  --color-accent-secondary: #00f5c4;
  --color-accent-tertiary: #7dd3fc;
  --color-accent-gradient: linear-gradient(135deg, #00d4ff 0%, #00f5c4 50%, #38bdf8 100%);
  --color-accent-glow: linear-gradient(135deg, #00d4ff33 0%, #00f5c433 100%);

  /* Text */
  --color-text-primary: #f0f9ff;
  --color-text-secondary: #bae6fd;
  --color-text-muted: #7dd3fc;

  /* Borders */
  --color-border: rgba(56, 189, 248, 0.2);
  --color-border-active: rgba(0, 212, 255, 0.6);

  /* Status Colors */
  --color-highlight-best: #00ff9d;
  --color-highlight-worst: #ff7171;
  --color-highlight-neutral: #ffe066;
  --color-highlight-cool: #00d4ff;

  /* Risk Level Colors */
  --color-risk-1: #4ade80;
  --color-risk-2: #facc15;
  --color-risk-3: #fb923c;
  --color-risk-4: #f87171;
  --color-risk-5: #dc2626;

  /* Shadows & Effects */
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 30px rgba(0, 212, 255, 0.4);
  --shadow-soft: 0 4px 16px rgba(0, 0, 0, 0.2);

  /* Glassmorphism */
  --glass-blur: blur(16px);
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: 1px solid rgba(255, 255, 255, 0.1);

  /* Typography */
  --font-primary: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-xxl: 3rem;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  background: var(--color-bg-primary);
  background-attachment: fixed;
  color: var(--color-text-primary);
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Animated Background Waves */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(0, 212, 255, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse 60% 40% at 80% 80%, rgba(0, 245, 196, 0.1) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
}

/* Floating Particles Effect */
body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    radial-gradient(2px 2px at 20% 30%, rgba(255, 255, 255, 0.15) 0%, transparent 100%),
    radial-gradient(2px 2px at 40% 70%, rgba(0, 212, 255, 0.1) 0%, transparent 100%),
    radial-gradient(2px 2px at 60% 40%, rgba(255, 255, 255, 0.1) 0%, transparent 100%),
    radial-gradient(2px 2px at 80% 80%, rgba(0, 245, 196, 0.1) 0%, transparent 100%);
  animation: floatParticles 20s linear infinite;
  pointer-events: none;
  z-index: -1;
}

@keyframes floatParticles {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-20px);
  }
}

/* ---------- Container ---------- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* ---------- Header ---------- */
.header {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: var(--glass-border);
  padding: var(--spacing-sm) 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header__content {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  text-decoration: none;
  color: inherit;
}

.header__logo-icon {
  font-size: 2rem;
  animation: coolBreeze 3s ease-in-out infinite;
}

@keyframes coolBreeze {

  0%,
  100% {
    transform: rotate(0deg) scale(1);
  }

  50% {
    transform: rotate(10deg) scale(1.1);
  }
}

.header__title {
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--color-accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
}

.header__subtitle {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
}

/* ---------- Hero Section ---------- */
/* ---------- Visual Hero (Compact) ---------- */
.visual-hero {
  position: relative;
  /* Reduced padding for mobile compactness */
  padding: var(--spacing-xxl) 0 var(--spacing-xl);
  overflow: hidden;
  text-align: center;
  /* Ensure it doesn't take full height but enough to be impressive */
  min-height: 50vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.visual-hero__bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: -1;
  background-color: var(--color-bg-primary);
  /* Fallback or base color */
}

/* Dynamic background slider animation */
.visual-hero__bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  /* Simple crossfade animation setup - logic in JS or CSS keyframes */
  background-image: url('../assets/images/use-cases/construction_hero.png');
  animation: heroSlide 20s infinite;
  opacity: 0.6;
  /* Dim the image */
}

@keyframes heroSlide {

  0%,
  20% {
    background-image: url('../assets/images/use-cases/construction_hero.png');
    transform: scale(1);
  }

  25%,
  45% {
    background-image: url('../assets/images/use-cases/women_hero.png');
    transform: scale(1.05);
  }

  50%,
  70% {
    background-image: url('../assets/images/use-cases/events_hero.png');
    transform: scale(1);
  }

  75%,
  95% {
    background-image: url('../assets/images/use-cases/factory_hero.png');
    transform: scale(1.05);
  }

  100% {
    background-image: url('../assets/images/use-cases/construction_hero.png');
    transform: scale(1);
  }
}

.visual-hero__overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle, rgba(10, 25, 47, 0.4) 0%, rgba(10, 25, 47, 0.9) 100%);
  z-index: 0;
}

.visual-hero__content {
  position: relative;
  z-index: 10;
  max-width: 800px;
}

.hero__title {
  font-size: 2rem;
  /* Sized down for mobile originally 2.5rem */
  font-weight: 800;
  margin-bottom: var(--spacing-sm);
  background: linear-gradient(135deg, #fff 30%, #4ade80 100%);
  /* Fresh green-white gradient */
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.3;
  text-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.hero__description {
  font-size: 1rem;
  color: #e0f2fe;
  /* Brighter than muted */
  margin-bottom: var(--spacing-lg);
  line-height: 1.6;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.hero__actions {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
}

.shadow-glow {
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.4);
  animation: pulseGlow 2s infinite;
}

@keyframes pulseGlow {
  0% {
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.4);
  }

  50% {
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.7);
  }

  100% {
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.4);
  }
}

/* ---------- Guide Navigation (Visual Grid) ---------- */
.guide-nav {
  /* Removed overlap effect as requested */
  margin-top: 0;
  padding-top: var(--spacing-xl);
  position: relative;
  z-index: 20;
  padding-bottom: var(--spacing-md);
}

/* ---------- Visual Nav Grid ---------- */
.visual-nav-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-sm);
}

@media (min-width: 768px) {
  .visual-nav-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
  }

  .hero__title {
    font-size: 3rem;
  }

  .visual-hero {
    min-height: 60vh;
  }
}

.visual-card {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  height: 120px;
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  overflow: hidden;
  text-decoration: none;
  background-color: var(--color-bg-card);
  background-size: cover;
  background-position: center;
  transition: transform 0.2s, box-shadow 0.2s;
  /* Fix for mobile dotted line artifact */
  outline: none;
  -webkit-tap-highlight-color: transparent;

}

.visual-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0.2) 100%);
  z-index: 0;
}

.visual-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  border-color: var(--color-accent-primary);
}

.visual-card:hover::before {
  background: linear-gradient(0deg, rgba(0, 0, 0, 0.6) 0%, rgba(0, 0, 0, 0.1) 100%);
}

.visual-card__content {
  position: relative;
  z-index: 10;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.8);
}

.visual-card__icon {
  font-size: 1.2rem;
  display: block;
  margin-bottom: 2px;
}

.visual-card__title {
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
  margin: 0;
  line-height: 1.2;
}

.visual-card__desc {
  font-size: 0.7rem;
  color: #e0f2fe;
  margin: 0;
  opacity: 0.9;
}

/* Secondary Nav Chips */
.secondary-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.text-link-chip {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  background: rgba(255, 255, 255, 0.05);
  padding: 6px 12px;
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: all 0.2s;
}

.text-link-chip:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-accent-primary);
  border-color: var(--color-accent-primary);
}

/* ---------- WBGT Section ---------- */
.wbgt-section {
  padding: var(--spacing-md) 0;
}

.wbgt-module {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  transition: var(--transition-normal);
}

.wbgt-module:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

/* ---------- Step Indicator ---------- */
.step-indicator {
  display: flex;
  justify-content: center;
  gap: var(--spacing-xl);
  margin: var(--spacing-xl) 0;
  position: relative;
}

.step-indicator::before {
  content: '';
  position: absolute;
  top: 16px;
  left: 25%;
  right: 25%;
  height: 2px;
  background: var(--color-border);
  z-index: 0;
}

.step-indicator__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--color-text-muted);
  transition: var(--transition-normal);
  position: relative;
  z-index: 1;
}

.step-indicator__item.active {
  color: var(--color-accent-primary);
}

.step-indicator__item.completed {
  color: var(--color-highlight-best);
}

.step-indicator__number {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  border: 2px solid currentColor;
  background: var(--color-bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
}

.step-indicator__item.active .step-indicator__number {
  background: var(--color-accent-gradient);
  border-color: transparent;
  color: #0a192f;
  box-shadow: var(--shadow-glow);
}

.step-indicator__item.completed .step-indicator__number {
  background: var(--color-highlight-best);
  border-color: transparent;
  color: #0a192f;
}

/* ---------- Diagnosis Section ---------- */
.diagnosis {
  padding: var(--spacing-xl) 0 var(--spacing-xxl);
}

.diagnosis__card {
  /* background: var(--glass-bg); */
  /* backdrop-filter: var(--glass-blur); */
  /* -webkit-backdrop-filter: var(--glass-blur); */
  /* border: var(--glass-border); */
  /* box-shadow: var(--shadow-card); */
  background: transparent;
  border: none;
  box-shadow: none;
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  max-width: 720px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

/* .diagnosis__card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-accent-gradient);
} */

.diagnosis__question {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: var(--spacing-lg);
  text-align: center;
  color: var(--color-text-primary);
}

.diagnosis__progress {
  margin-bottom: var(--spacing-lg);
}

.diagnosis__progress-bar {
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.diagnosis__progress-fill {
  height: 100%;
  background: var(--color-accent-gradient);
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
  box-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

/* Step Indicator */
.step-indicator {
  display: flex;
  width: 100%;
  max-width: 720px;
  margin: 0 auto var(--spacing-lg);
  background: transparent;
  border-radius: var(--radius-full);
  padding: 4px;
  position: relative;
}

.step-indicator::before {
  content: none;
}

.step-indicator__item {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--color-text-muted);
  font-weight: 500;
  opacity: 0.5;
  /* Dim inactive */
  transition: all 0.3s;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.step-indicator__item.active {
  background: var(--color-accent-primary);
  color: #000;
  opacity: 1;
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(0, 212, 255, 0.4);
}

.step-indicator__number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  font-size: 0.8rem;
  font-weight: 700;
}

.step-indicator__item.active .step-indicator__number {
  background: #000;
  color: var(--color-accent-primary);
}

.step-indicator__item.completed {
  opacity: 1;
  color: var(--color-accent-primary);
}

.step-indicator__item.completed .step-indicator__number {
  background: var(--color-accent-primary);
  color: #000;
  text-indent: -9999px;
  /* Hide number */
  position: relative;
}

.step-indicator__item.completed .step-indicator__number::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-indent: 0;
  font-size: 1rem;
  font-weight: 800;
}

.diagnosis__progress-text {
  /* text-align: center; font-size: 0.85rem; color: var(--color-text-muted); margin-top: var(--spacing-sm); */
  display: none;
}

.diagnosis__options {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.diagnosis__options-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

.diagnosis__option,
.diagnosis__option-card {
  background: rgba(255, 255, 255, 0.05);

  border: 0 px solid var(--color-text-secondary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  text-align: left;
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
  overflow: hidden;
}

.diagnosis__option-card {
  padding: 0;
  height: 120px;
  display: flex;
  align-items: flex-end;
  background-image: var(--bg-image);
  background-size: cover;
  background-position: center;
  background-origin: border-box;
  /* Ensure image fills border area */
  background-clip: border-box;
}

.diagnosis__option-card::before {
  content: '';
  position: absolute;
  inset: -1px;
  /* Cover the border */
  background: linear-gradient(0deg, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0.2) 100%);
  z-index: 1;
}

.diagnosis__option:hover,
.diagnosis__option-card:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: var(--color-accent-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 212, 255, 0.2), inset 0 0 0 1px var(--color-accent-primary);
}

.diagnosis__option.selected {
  border-color: var(--color-accent-primary);
  background: rgba(0, 212, 255, 0.1);
}

.diagnosis__option-content {
  position: relative;
  z-index: 2;
  padding: var(--spacing-md);
  width: 100%;
}

.diagnosis__option-label {
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  position: relative;
  color: var(--color-text-primary);
}

.diagnosis__option-desc {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  position: relative;
}

/* ---------- Subsidy Check ---------- */
.subsidy-check {
  background: linear-gradient(135deg, rgba(255, 224, 102, 0.1) 0%, rgba(255, 107, 107, 0.05) 100%);
  border: 1px solid rgba(255, 224, 102, 0.3);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.subsidy-check__title {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-highlight-neutral);
  margin-bottom: var(--spacing-md);
}

/* ---------- Result Section ---------- */
.result {
  padding: var(--spacing-xxl) 0;
}

.result__card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-card);
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--spacing-xl);
  position: relative;
  overflow: hidden;
}

.result__card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: conic-gradient(from 0deg, transparent, rgba(0, 212, 255, 0.1), transparent 30%);
  animation: rotateGlow 8s linear infinite;
}

@keyframes rotateGlow {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

.result__type-icon {
  font-size: 5rem;
  margin-bottom: var(--spacing-md);
  position: relative;
  display: inline-block;
  animation: floatIcon 3s ease-in-out infinite;
}

@keyframes floatIcon {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-10px);
  }
}

.result__type-name {
  font-size: 1.8rem;
  font-weight: 700;
  background: var(--color-accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-sm);
  position: relative;
}

.result__type-desc {
  color: var(--color-text-secondary);
  position: relative;
  line-height: 1.8;
}

.result__subsidies {
  margin-top: var(--spacing-xl);
  text-align: left;
  position: relative;
}

.result__subsidies-title {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.result__subsidy-item {
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  border-left: 3px solid var(--color-highlight-neutral);
}

.result__subsidy-name {
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.result__subsidy-info {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* ---------- Products Section ---------- */
.products {
  padding: var(--spacing-xxl) 0;
}

.products__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.products__title {
  font-size: 1.6rem;
  font-weight: 700;
  background: var(--color-accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.products__count {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* ---------- Filters ---------- */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-lg);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border-radius: var(--radius-lg);
  border: var(--glass-border);
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.filter-group__label {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
}

.filter-group__select {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 0.9rem;
  cursor: pointer;
  min-width: 140px;
  transition: var(--transition-fast);
}

.filter-group__select:hover {
  border-color: var(--color-accent-primary);
}

.filter-group__select:focus {
  outline: none;
  border-color: var(--color-accent-primary);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.2);
}

.search-box {
  flex: 1;
  min-width: 200px;
  position: relative;
}

.search-box__input {
  width: 100%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  padding: var(--spacing-sm) var(--spacing-md);
  padding-left: 44px;
  font-size: 0.9rem;
  transition: var(--transition-fast);
}

.search-box__input:focus {
  outline: none;
  border-color: var(--color-accent-primary);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.2);
}

.search-box__icon {
  position: absolute;
  left: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
}

/* ---------- Product Grid ---------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.product-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition-normal);
  border: 1px solid transparent;
  position: relative;
}

.product-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  padding: 1px;
  background: linear-gradient(135deg, transparent 40%, rgba(0, 212, 255, 0.3) 100%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: var(--transition-normal);
}

.product-card:hover {
  /* transform: translateY(-8px); */
  /* box-shadow: var(--shadow-glow); */
  /* Animation disabled per user request */
  transform: none;
  box-shadow: none;
}

.product-card:hover::before {
  opacity: 0;
}

.product-card.selected {
  border-color: var(--color-accent-primary);
  box-shadow: var(--shadow-glow);
}

width: 100%;
border-top-left-radius: var(--radius-lg);
border-top-right-radius: var(--radius-lg);
border-bottom-left-radius: 0;
border-bottom-right-radius: 0;
overflow: hidden;
height: 180px;
background: linear-gradient(135deg, rgba(0, 40, 80, 0.5) 0%, rgba(0, 60, 100, 0.3) 100%);
display: flex;
align-items: center;
justify-content: center;
font-size: 4rem;
position: relative;
}

.product-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-card__content {
  padding: var(--spacing-md);
}

.product-card__brand {
  font-size: 0.7rem;
  color: var(--color-accent-primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
}

.product-card__name {
  font-size: 1.05rem;
  font-weight: 600;
  margin: var(--spacing-xs) 0;
}

.product-card__type {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.75rem;
  padding: var(--spacing-xs) var(--spacing-sm);
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-full);
  color: var(--color-text-secondary);
}

.product-card__specs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-xs);
  margin: var(--spacing-md) 0;
  font-size: 0.85rem;
}

.product-card__spec {
  display: flex;
  justify-content: space-between;
  padding: var(--spacing-xs) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.product-card__spec-label {
  color: var(--color-text-muted);
}

.product-card__spec-value {
  font-weight: 600;
}

.product-card__price {
  font-size: 1.2rem;
  font-weight: 700;
  background: var(--color-accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.product-card__actions {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition-fast);
  border: none;
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background: var(--color-accent-gradient);
  color: #0a192f;
}

.btn--primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.3) 0%, transparent 50%);
  opacity: 0;
  transition: var(--transition-fast);
}

.btn--primary:hover {
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.btn--primary:hover::before {
  opacity: 1;
}

.btn--secondary {
  background: transparent;
  border: 1px solid var(--color-accent-primary);
  color: var(--color-accent-primary);
}

.btn--secondary:hover {
  background: rgba(0, 212, 255, 0.1);
  transform: translateY(-2px);
}

.btn--sm {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: 0.8rem;
}

.btn--full {
  width: 100%;
}

.btn--amazon {
  background: linear-gradient(135deg, #ff9900 0%, #ffad33 100%);
  color: #000;
}

.btn--amazon:hover {
  background: linear-gradient(135deg, #ffad33 0%, #ffc266 100%);
  transform: translateY(-2px);
}

/* ---------- Compare Section ---------- */
.compare {
  padding: var(--spacing-xxl) 0;
  background: rgba(0, 0, 0, 0.2);
}

.compare__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-xl);
}

.compare__title {
  font-size: 1.5rem;
  font-weight: 700;
}

.compare__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--spacing-lg);
  max-width: 900px;
  margin: 0 auto;
}

.compare-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  position: relative;
  border: var(--glass-border);
}

.compare-card__remove {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  font-size: 1rem;
  padding: var(--spacing-xs);
  border-radius: var(--radius-full);
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.compare-card__remove:hover {
  background: rgba(255, 107, 107, 0.2);
  color: var(--color-highlight-worst);
}

.compare-card__header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
}

.compare-card__brand {
  font-size: 0.7rem;
  color: var(--color-accent-primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.compare-card__name {
  font-size: 1.1rem;
  font-weight: 600;
  margin-top: var(--spacing-xs);
}

.compare-card__specs {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.compare-spec {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.compare-spec__label {
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.compare-spec__value {
  font-weight: 600;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
}

.compare-spec__value.best {
  background: rgba(0, 255, 157, 0.15);
  color: var(--color-highlight-best);
}

.compare-spec__value.worst {
  background: rgba(255, 107, 107, 0.15);
  color: var(--color-highlight-worst);
}

/* ---------- Share Section ---------- */
.share {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
}

.share__btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  transition: var(--transition-fast);
}

.share__btn--twitter {
  background: linear-gradient(135deg, #1da1f2 0%, #4db5f5 100%);
  color: #fff;
}

.share__btn--twitter:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(29, 161, 242, 0.4);
}

.share__btn--line {
  background: linear-gradient(135deg, #00b900 0%, #00d400 100%);
  color: #fff;
}

.share__btn--line:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 185, 0, 0.4);
}

/* ---------- Footer ---------- */
.footer {
  background: rgba(0, 0, 0, 0.3);
  border-top: var(--glass-border);
  padding: var(--spacing-xl) 0;
  text-align: center;
}

.footer__disclaimer {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto var(--spacing-md);
  line-height: 1.8;
}

.footer__copyright {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* ---------- Utilities ---------- */
.hidden {
  display: none !important;
}

.fade-in {
  animation: fadeIn 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(24px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  .header__content {
    flex-direction: column;
    gap: 0.5rem;
    padding-bottom: 0.5rem;
  }

  .header__subtitle {
    display: block;
    font-size: 0.65rem;
    margin-top: -2px;
    /* Pull closer to title */
  }

  /* Center the widget in stacked mode */
  #wbgt-header-container {
    display: flex;
    justify-content: center;
    width: 100%;
  }

  .header__title {
    font-size: 1.0rem;
    line-height: 1.2;
  }

  .hero__title {
    font-size: 1.8rem;
  }

  .step-indicator {
    gap: var(--spacing-md);
  }

  .step-indicator::before {
    left: 15%;
    right: 15%;
  }

  .filters {
    flex-direction: column;
    padding: var(--spacing-md);
  }

  .filter-group__select,
  .search-box {
    width: 100%;
  }

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

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

  .diagnosis__card {
    padding: var(--spacing-md);
  }

  .diagnosis__question {
    font-size: 1.1rem;
  }
}

/* ---------- Selection Styles ---------- */
::selection {
  background: rgba(0, 212, 255, 0.3);
  color: #fff;
}

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

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

::-webkit-scrollbar-thumb {
  background: rgba(0, 212, 255, 0.3);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 212, 255, 0.5);
}

/* ---------- Focus Visible ---------- */
:focus-visible {
  outline: 2px solid var(--color-accent-primary);
  outline-offset: 2px;
}

/* ---------- Section Headers ---------- */
.section-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
  background: linear-gradient(to right, #fff, #bde0fe);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}



/* ---------- Featured Articles ---------- */
.featured-articles {
  padding: var(--spacing-xxl) 0;
  /* background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.2) 100%); */
  background: transparent;
}

.featured-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.featured-card {
  display: block;
  background: var(--glass-bg);
  border: var(--glass-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-decoration: none;
  color: var(--color-text-primary);
  transition: var(--transition-normal);
  height: 100%;
}

.featured-card:hover {
  transform: translateY(-5px) scale(1.02);
  box-shadow: var(--shadow-card);
  border-color: var(--color-accent-secondary);
}

.featured-card__image-wrapper,
.featured-card__icon-wrapper {
  width: 100%;
  height: 180px;
  overflow: hidden;
  position: relative;
  background: rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
}

.featured-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.featured-card:hover .featured-card__image {
  transform: scale(1.1);
}

.featured-card__icon {
  font-size: 4rem;
}

.featured-card__content {
  padding: var(--spacing-md);
}

.featured-card__meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-xs);
}

.featured-card__category {
  font-size: 0.75rem;
  color: var(--color-accent-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.badge--new {
  background: var(--color-accent-secondary);
  color: #000;
  font-size: 0.65rem;
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 700;
}

.featured-card__title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  line-height: 1.4;
}

.featured-card__desc {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  line-height: 1.5;

  /* Truncate multi-line */
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

@media (max-width: 768px) {
  .section-title {
    font-size: 1.5rem;
  }

  .pillar-nav-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

/* ===========================================
   Simple Check Tool Styles
   =========================================== */

.simple-check-section {
  padding: var(--spacing-xl) 0;
}

.check-card {
  background: var(--glass-bg);
  border: var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  max-width: 500px;
  margin: 0 auto;
}

.check-progress {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.check-progress__bar {
  flex: 1;
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  overflow: hidden;
}

.check-progress__fill {
  height: 100%;
  background: var(--color-accent-gradient);
  border-radius: 3px;
  transition: width 0.3s ease;
}

.check-progress__text {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.check-question {
  font-size: 1.25rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-primary);
}

.check-options {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.check-option {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  cursor: pointer;
  text-align: left;
  transition: all 0.2s;
}

.check-option:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--color-accent-primary);
  transform: translateY(-2px);
}

.check-option__label {
  display: block;
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-text-primary);
  margin-bottom: 0.25rem;
}

.check-option__desc {
  display: block;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

.check-back {
  display: block;
  margin: var(--spacing-lg) auto 0;
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  cursor: pointer;
  text-decoration: underline;
}

.check-back:hover {
  color: var(--color-accent-primary);
}

/* Result Styles */
.check-result {
  text-align: center;
  padding: var(--spacing-xl);
  background: var(--glass-bg);
  border: var(--glass-border);
  border-radius: var(--radius-lg);
  max-width: 500px;
  margin: 0 auto;
}

.check-result__icon {
  font-size: 4rem;
  margin-bottom: var(--spacing-md);
}

.check-result__type {
  font-size: 1.75rem;
  font-weight: 700;
  background: var(--color-accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-sm);
}

.check-result__desc {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  margin-bottom: var(--spacing-lg);
}

/* Products List */
.check-products {
  text-align: left;
  margin: var(--spacing-lg) 0;
  padding: var(--spacing-md);
  background: rgba(0, 0, 0, 0.2);
  border-radius: var(--radius-md);
}

.check-products h4 {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-sm);
}

.check-products__list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.check-products__list li {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.check-products__list li:last-child {
  border-bottom: none;
}

.check-products__list a {
  display: flex;
  align-items: center;
  padding: 0.75rem 0;
  text-decoration: none;
  color: inherit;
  transition: color 0.2s;
}

.check-products__list a:hover {
  color: var(--color-accent-primary);
}

.check-products__brand {
  font-size: 0.75rem;
  color: var(--color-accent-primary);
  margin-right: 0.5rem;
}

.check-products__name {
  flex: 1;
  font-weight: 500;
}

.check-products__arrow {
  color: var(--color-text-muted);
}

/* Share Buttons */
.check-share {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  margin-bottom: var(--spacing-lg);
}

.check-share__btn {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
  transition: all 0.2s;
}

.check-share__btn--x {
  background: #000;
  color: #fff;
  border: 1px solid #333;
}

.check-share__btn--x:hover {
  background: #1a1a1a;
}

.check-share__btn--line {
  background: #00B900;
  color: #fff;
}

.check-share__btn--line:hover {
  background: #00a000;
}

.check-retry {
  background: transparent;
  border: 1px solid var(--color-accent-primary);
  color: var(--color-accent-primary);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s;
}

.check-retry:hover {
  background: var(--color-accent-primary);
  color: #000;
}

/* Result Header */
.check-result__header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.check-result__label {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  margin: 0 0 4px 0;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.check-result__type {
  font-size: 1.25rem;
  font-weight: 700;
  background: var(--color-accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0 0 8px 0;
}

.check-result__desc {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  margin: 0;
  line-height: 1.4;
}

/* Product Cards Grid */
.check-products-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

.product-card {
  background: rgba(0, 0, 0, 0.3);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.product-card__image-wrap {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
}

.product-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-card__labels {
  position: absolute;
  bottom: 8px;
  left: 8px;
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.product-card__label {
  background: rgba(0, 0, 0, 0.7);
  color: #fff;
  font-size: 0.65rem;
  padding: 2px 6px;
  border-radius: 4px;
  backdrop-filter: blur(4px);
}

.product-card__badge {
  position: absolute;
  top: 8px;
  right: 8px;
  background: var(--color-accent-gradient);
  color: #000;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: var(--radius-full);
}

.product-card__body {
  padding: var(--spacing-md);
}

.product-card__brand {
  font-size: 0.7rem;
  color: var(--color-accent-primary);
  margin: 0 0 4px 0;
}

.product-card__name {
  font-size: 0.9rem;
  font-weight: 600;
  margin: 0 0 8px 0;
  color: var(--color-text-primary);
  line-height: 1.3;
}

.product-card__price {
  font-size: 0.85rem;
  font-weight: 700;
  color: #fbbf24;
  margin: 0 0 12px 0;
}

.product-card__btn {
  display: block;
  width: 100%;
  text-align: center;
  background: #ff9900;
  color: #000;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: background 0.2s;
  position: relative;
  z-index: 10;
}

.product-card__btn:hover {
  background: #ffad33;
}

/* Featured Card (single large) */
.product-card--featured {
  max-width: 100%;
  margin: 0 auto var(--spacing-md);
}

/* Simple Products List */
.check-products-list {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--spacing-lg) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.check-products-list li {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.check-products-list a {
  display: flex;
  align-items: center;
  padding: 12px 0;
  text-decoration: none;
  color: inherit;
  transition: color 0.2s;
}

.check-products-list a:hover {
  color: var(--color-accent-primary);
}

.check-products-list__brand {
  font-size: 0.7rem;
  color: var(--color-accent-primary);
  margin-right: 8px;
  flex-shrink: 0;
}

.check-products-list__name {
  flex: 1;
  font-size: 0.85rem;
}

.check-products-list__arrow {
  color: var(--color-text-muted);
  font-size: 0.85rem;
}
/* ---------- Scroll to Top Button ---------- */
.scroll-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 3rem;
    height: 3rem;
    background: var(--color-accent-gradient);
    color: #0a192f;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 212, 255, 0.4);
    transition: all 0.3s ease;
    opacity: 0;
    pointer-events: none;
    z-index: 1000;
    font-size: 1.5rem;
    border: none;
}

.scroll-top.visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.scroll-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 16px rgba(0, 212, 255, 0.6);
}

@media (max-width: 768px) {
    .scroll-top {
        bottom: 1.5rem;
        right: 1.5rem;
        width: 2.5rem;
        height: 2.5rem;
        font-size: 1.2rem;
    }
}