/* ==========================================================================
   こころクリーン - Premium CSS Stylesheet
   ========================================================================== */

/* --------------------------------------------------------------------------
   0. Variables & Design Tokens
   -------------------------------------------------------------------------- */
:root {
  /* Colors */
  --bg-primary: #F8FAFC;
  --bg-secondary: #F1F5F9;
  --bg-dark: #0A0F1D;
  --bg-dark-accent: #111827;
  
  --text-dark: #0F172A;
  --text-muted: #475569;
  --text-light: #F8FAFC;
  --text-light-muted: #94A3B8;

  --color-primary: #10B981;      /* Emerald Green */
  --color-primary-hover: #059669;
  --color-primary-glow: rgba(16, 185, 129, 0.25);
  
  --color-secondary: #1E3A8A;    /* Trust Deep Navy */
  --color-secondary-light: #3B82F6;
  
  --color-line: #06C755;         /* Official LINE Green */
  --color-line-hover: #05b34c;
  --color-line-glow: rgba(6, 199, 85, 0.4);

  --color-yellow: #F59E0B;       /* Rating Gold */
  --color-yellow-light: #FEF3C7;

  /* Gradients */
  --grad-hero: radial-gradient(circle at 80% 20%, rgba(16, 185, 129, 0.15) 0%, rgba(30, 58, 138, 0.15) 40%, rgba(10, 15, 29, 1) 100%);
  --grad-accent: linear-gradient(135deg, #10B981 0%, #1E3A8A 100%);
  --grad-cta: linear-gradient(135deg, #111827 0%, #1E3A8A 100%);
  --grad-line: linear-gradient(135deg, #06C755 0%, #05a044 100%);

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-primary: 0 10px 20px -3px rgba(16, 185, 129, 0.25);
  --shadow-line-pulse: 0 0 0 0 rgba(6, 199, 85, 0.6);

  /* Fonts */
  --font-base: 'Noto Sans JP', sans-serif;
  --font-heading: 'Outfit', 'Noto Sans JP', sans-serif;

  /* Layout */
  --header-height: 80px;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-base);
  background-color: var(--bg-primary);
  color: var(--text-dark);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-smooth);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 100px 0;
}

/* --------------------------------------------------------------------------
   2. Typography & Custom Utilities
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.3;
}

.gradient-text {
  background: linear-gradient(135deg, #10B981 0%, #3B82F6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.badge {
  display: inline-block;
  padding: 6px 16px;
  background: var(--color-primary-glow);
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.85rem;
  border-radius: 50px;
  margin-bottom: 20px;
  border: 1px solid rgba(16, 185, 129, 0.15);
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px auto;
}

.section-subtitle {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 2px;
  color: var(--color-primary);
  margin-bottom: 12px;
  text-transform: uppercase;
}

.section-title {
  font-size: 2.25rem;
  color: var(--text-dark);
  margin-bottom: 20px;
  position: relative;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   3. Buttons & Interactive Elements
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  font-weight: 700;
  border-radius: var(--radius-sm);
  transition: var(--transition-smooth);
  text-align: center;
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.9rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.05rem;
}

.btn-xl {
  padding: 20px 42px;
  font-size: 1.15rem;
  border-radius: var(--radius-md);
}

.btn-block {
  width: 100%;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--text-light);
  box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-dark);
  border: 2px solid rgba(15, 23, 42, 0.2);
}

.btn-secondary:hover {
  background-color: rgba(15, 23, 42, 0.05);
  border-color: rgba(15, 23, 42, 0.4);
}

.btn-line {
  background: var(--grad-line);
  color: var(--text-light);
  box-shadow: 0 8px 20px -4px var(--color-line-glow);
}

.btn-line:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px -2px var(--color-line-glow);
}

/* Pulsing micro-animation for LINE buttons */
.pulse-btn {
  animation: pulse-glow 2.5s infinite;
}

@keyframes pulse-glow {
  0% {
    box-shadow: 0 0 0 0 rgba(6, 199, 85, 0.5);
  }
  70% {
    box-shadow: 0 0 0 15px rgba(6, 199, 85, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(6, 199, 85, 0);
  }
}

/* --------------------------------------------------------------------------
   4. Header & Navigation
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: rgba(248, 250, 252, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
  z-index: 1000;
  transition: var(--transition-smooth);
}

.site-header.scrolled {
  height: 70px;
  background-color: rgba(248, 250, 252, 0.95);
  box-shadow: var(--shadow-md);
  border-bottom-color: rgba(226, 232, 240, 1);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-dark);
  letter-spacing: -0.5px;
}

.logo-accent {
  color: var(--color-primary);
}

.desktop-nav ul {
  display: flex;
  gap: 32px;
}

.desktop-nav a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
}

.desktop-nav a:hover {
  color: var(--color-primary);
}

.header-cta {
  display: flex;
  align-items: center;
}

.icon-line {
  width: 18px;
  height: 18px;
}

.hamburger-menu {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  z-index: 1100;
}

.hamburger-menu .bar {
  height: 2px;
  width: 100%;
  background-color: var(--text-dark);
  border-radius: 2px;
  transition: var(--transition-smooth);
}

/* Mobile Nav Drawer */
.mobile-nav-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  max-width: 320px;
  height: 100vh;
  background-color: var(--bg-primary);
  box-shadow: var(--shadow-xl);
  padding: 100px 32px 40px 32px;
  z-index: 950;
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.mobile-nav-drawer.open {
  right: 0;
}

.mobile-nav-drawer ul {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-bottom: 40px;
}

.mobile-nav-drawer a {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-dark);
}

.drawer-cta-wrapper {
  margin-top: auto;
  text-align: center;
}

.drawer-tagline {
  font-size: 0.85rem;
  color: var(--color-primary);
  font-weight: 700;
  margin-bottom: 12px;
}

/* Hamburger toggle states */
.hamburger-menu.active .bar:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.hamburger-menu.active .bar:nth-child(2) {
  opacity: 0;
}
.hamburger-menu.active .bar:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* --------------------------------------------------------------------------
   5. Hero Section
   -------------------------------------------------------------------------- */
.hero-section {
  position: relative;
  background-color: #FFFFFF;
  background-image: linear-gradient(90deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.8) 50%, rgba(255, 255, 255, 0.15) 100%), url('../assets/clean_living_room.png');
  background-size: cover;
  background-position: center right;
  color: var(--text-dark);
  padding: 160px 0 120px 0;
  min-height: 85vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

/* Diagonal layout or fluid shapes */
.hero-bg-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.05;
  pointer-events: none;
  background-size: 30px 30px;
  background-image: linear-gradient(to right, rgba(15, 23, 42, 0.05) 1px, transparent 1px),
                    linear-gradient(to bottom, rgba(15, 23, 42, 0.05) 1px, transparent 1px);
}

.hero-container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-content {
  max-width: 620px;
}

.hero-title {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 24px;
}

.hero-description {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 40px;
  line-height: 1.7;
}

.hero-badges {
  display: flex;
  gap: 24px;
  margin-bottom: 40px;
}

.hero-badge-item {
  display: flex;
  align-items: center;
  gap: 10px;
}

.badge-num {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 800;
  color: var(--color-primary);
  width: 28px;
  height: 28px;
  background-color: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.badge-txt {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-dark);
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  margin-bottom: 12px;
}

.hero-cta-subtext {
  font-size: 0.85rem;
  color: var(--color-primary);
  font-weight: 700;
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

/* Visual list card */
.visual-card {
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: var(--radius-lg);
  padding: 32px;
  width: 100%;
  max-width: 440px;
  box-shadow: var(--shadow-xl);
}

.visual-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

.status-dot {
  width: 10px;
  height: 10px;
  background-color: var(--color-primary);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--color-primary);
  animation: pulse-dot 1.5s infinite;
}

@keyframes pulse-dot {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.15); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

.visual-title {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-dark);
}

.step-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.step-item {
  display: flex;
  gap: 16px;
}

.step-icon {
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--color-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-icon svg {
  width: 20px;
  height: 20px;
}

.step-text h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 4px;
}

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

/* --------------------------------------------------------------------------
   6. Features (Strengths) Section
   -------------------------------------------------------------------------- */
.features-section {
  background-color: var(--bg-primary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.feature-card {
  background-color: #FFFFFF;
  border: 1px solid rgba(226, 232, 240, 0.8);
  border-radius: var(--radius-md);
  padding: 40px 32px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(16, 185, 129, 0.2);
}

.feature-icon-wrapper {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background-color: var(--bg-secondary);
  color: var(--color-secondary);
  border-radius: var(--radius-sm);
  margin-bottom: 24px;
  transition: var(--transition-smooth);
}

.feature-card:hover .feature-icon-wrapper {
  background-color: var(--color-primary-glow);
  color: var(--color-primary);
}

.feature-icon {
  width: 24px;
  height: 24px;
}

.feature-card h3 {
  font-size: 1.2rem;
  color: var(--text-dark);
  margin-bottom: 16px;
  line-height: 1.4;
}

.feature-card p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   7. Pricing Section
   -------------------------------------------------------------------------- */
.pricing-section {
  background-color: var(--bg-secondary);
}

.inclusions-banner {
  background: var(--bg-primary);
  border: 1px solid rgba(226, 232, 240, 1);
  border-radius: var(--radius-md);
  padding: 30px;
  margin-bottom: 50px;
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.inclusions-banner h3 {
  font-size: 1.15rem;
  color: var(--color-secondary);
  margin-bottom: 20px;
}

.inclusions-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px 30px;
}

.inclusions-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-dark);
}

.icon-check {
  width: 16px;
  height: 16px;
  color: var(--color-primary);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  align-items: stretch;
}

.pricing-card {
  background-color: #FFFFFF;
  border: 1px solid rgba(226, 232, 240, 1);
  border-radius: var(--radius-lg);
  padding: 48px 36px;
  box-shadow: var(--shadow-md);
  position: relative;
  display: flex;
  flex-direction: column;
  transition: var(--transition-smooth);
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

/* Highlight card styles */
.pricing-card.highlighted {
  border: 2px solid var(--color-primary);
  box-shadow: var(--shadow-lg);
  transform: scale(1.03);
}

.pricing-card.highlighted:hover {
  transform: scale(1.03) translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.card-badge {
  position: absolute;
  top: 18px;
  right: 18px;
  background-color: var(--color-secondary);
  color: var(--text-light);
  font-size: 0.75rem;
  font-weight: 800;
  padding: 4px 12px;
  border-radius: 50px;
}

.pricing-card.highlighted .card-badge {
  background-color: var(--color-primary);
}

.card-header {
  margin-bottom: 24px;
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
  padding-bottom: 24px;
}

.pack-volume {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  margin-bottom: 6px;
}

.pack-name {
  font-size: 1.6rem;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.pack-recommend {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
}

.card-price {
  margin-bottom: 28px;
  display: flex;
  align-items: baseline;
}

.price-val {
  font-family: var(--font-heading);
  font-size: 3.25rem;
  font-weight: 800;
  color: var(--text-dark);
  line-height: 1;
}

.pricing-card.highlighted .price-val {
  color: var(--color-primary);
}

.price-unit {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-left: 6px;
}

.card-specs {
  margin-bottom: 36px;
  flex-grow: 1;
}

.card-specs p {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 12px;
}

.card-specs ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.card-specs li {
  font-size: 0.85rem;
  color: var(--text-muted);
  position: relative;
  padding-left: 14px;
}

.card-specs li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 6px;
  height: 6px;
  background-color: var(--color-primary);
  border-radius: 50%;
}

/* --------------------------------------------------------------------------
   8. Cases Section (Before/After)
   -------------------------------------------------------------------------- */
.cases-section {
  background-color: var(--bg-primary);
}

.cases-container {
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.case-card {
  background-color: #FFFFFF;
  border: 1px solid rgba(226, 232, 240, 0.8);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  display: grid;
  grid-template-columns: 1fr 1fr;
  position: relative;
}

.case-badge {
  position: absolute;
  top: 24px;
  left: 24px;
  background-color: var(--color-secondary);
  color: #FFFFFF;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 50px;
  z-index: 10;
}

.case-images-wrapper {
  display: flex;
  align-items: center;
  background-color: var(--bg-secondary);
  padding: 24px;
  gap: 12px;
  position: relative;
}

.case-img-box {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  aspect-ratio: 4 / 3;
  transition: var(--transition-smooth);
}

.case-img-box.img-before {
  flex: 1;
}

.case-img-box.img-after {
  flex: 1.8;
}

.case-img-box:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-md);
  z-index: 5;
}

.case-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.img-label {
  position: absolute;
  top: 10px;
  right: 10px;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: 3px;
  z-index: 5;
  color: #FFFFFF;
  text-transform: uppercase;
}

.label-before {
  background-color: #EF4444;
}

.label-after {
  background-color: #10B981;
}

.case-placeholder-svg {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.clean-tint-1 {
  background-color: #E2E8F0;
  color: #64748B;
}

.clean-tint-2 {
  background-color: #D1FAE5;
  color: #10B981;
}

.case-arrow {
  width: 32px;
  height: 32px;
  background-color: #FFFFFF;
  color: var(--text-dark);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  z-index: 2;
  flex-shrink: 0;
}

.case-arrow svg {
  width: 16px;
  height: 16px;
}

.case-body {
  padding: 48px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.case-body h3 {
  font-size: 1.4rem;
  color: var(--text-dark);
  margin-bottom: 12px;
}

.case-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.case-meta {
  display: flex;
  flex-direction: column;
  gap: 10px;
  border-top: 1px solid rgba(226, 232, 240, 0.8);
  padding-top: 20px;
}

.meta-item {
  display: flex;
  font-size: 0.85rem;
}

.meta-lbl {
  font-weight: 700;
  color: var(--text-dark);
  width: 120px;
  flex-shrink: 0;
}

.meta-val {
  color: var(--text-muted);
}

.highlight-green {
  color: var(--color-primary);
  font-weight: 700;
}

.price-item {
  align-items: center;
  margin-top: 8px;
}

.meta-price {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--color-secondary);
}

.price-tax {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-left: 4px;
}

/* --------------------------------------------------------------------------
   9. Testimonials Section
   -------------------------------------------------------------------------- */
.testimonials-section {
  background-color: var(--bg-secondary);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.testimonial-card {
  background-color: #FFFFFF;
  border-radius: var(--radius-md);
  padding: 40px 32px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.rating-stars {
  color: var(--color-yellow);
  font-family: var(--font-heading);
  font-size: 1.1rem;
  margin-bottom: 18px;
  letter-spacing: 2px;
}

.testimonial-text {
  font-size: 0.95rem;
  color: var(--text-dark);
  line-height: 1.7;
  font-style: italic;
  margin-bottom: 24px;
  flex-grow: 1;
}

.customer-info {
  display: flex;
  align-items: center;
  gap: 12px;
  border-top: 1px solid rgba(226, 232, 240, 0.8);
  padding-top: 18px;
}

.customer-avatar {
  width: 40px;
  height: 40px;
  background-color: var(--color-primary-glow);
  color: var(--color-primary);
  font-family: var(--font-heading);
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
}

.customer-name {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 2px;
}

.customer-plan {
  display: block;
  font-size: 0.75rem;
  color: var(--color-primary);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   10. FAQ Section
   -------------------------------------------------------------------------- */
.faq-section {
  background-color: var(--bg-primary);
}

.faq-accordion {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background-color: #FFFFFF;
  border: 1px solid rgba(226, 232, 240, 0.8);
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
}

.faq-item[open] {
  border-color: rgba(16, 185, 129, 0.3);
  box-shadow: var(--shadow-md);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text-dark);
  cursor: pointer;
  list-style: none;
  transition: var(--transition-smooth);
}

/* Hide standard details triangle */
.faq-question::-webkit-details-marker {
  display: none;
}

.faq-question:hover {
  background-color: rgba(16, 185, 129, 0.02);
}

.faq-icon {
  width: 20px;
  height: 20px;
  color: var(--color-primary);
  transition: var(--transition-smooth);
  display: flex;
  align-items: center;
  justify-content: center;
}

.faq-icon svg {
  width: 100%;
  height: 100%;
}

.faq-item[open] .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 24px 24px 24px;
  border-top: 1px solid rgba(226, 232, 240, 0.5);
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   11. LINE CTA Section (High-Conversion Funnel)
   -------------------------------------------------------------------------- */
.line-cta-section {
  background-color: var(--bg-dark);
  padding: 100px 0;
}

.line-cta-wrapper {
  background: var(--grad-cta);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 60px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 50px;
  align-items: center;
  box-shadow: var(--shadow-xl);
}

.line-cta-main {
  color: #FFFFFF;
}

.line-accent-tag {
  display: inline-block;
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.line-cta-main h2 {
  font-size: 2.2rem;
  line-height: 1.35;
  margin-bottom: 20px;
}

.highlight-yellow {
  color: var(--color-yellow-light);
  font-weight: 800;
}

.cta-lead {
  font-size: 1.05rem;
  color: var(--text-light-muted);
  margin-bottom: 40px;
}

.line-steps {
  display: flex;
  gap: 20px;
  margin-bottom: 40px;
}

.line-step {
  flex: 1;
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  padding: 20px 16px;
  text-align: center;
  position: relative;
}

.line-step-badge {
  width: 24px;
  height: 24px;
  background-color: var(--color-primary);
  color: #FFFFFF;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 800;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px auto;
}

.line-step h4 {
  font-size: 0.85rem;
  font-weight: 700;
  line-height: 1.3;
}

.icon-line-large {
  width: 26px;
  height: 26px;
}

.cta-bottom-note {
  font-size: 0.8rem;
  color: var(--text-light-muted);
  margin-top: 14px;
}

/* PC QR code Box */
.line-cta-qr-box {
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 36px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
}

.qr-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 18px;
}

.qr-placeholder {
  background-color: #FFFFFF;
  padding: 12px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.qr-svg {
  display: block;
}

.qr-desc {
  font-size: 0.8rem;
  color: var(--text-light-muted);
  line-height: 1.4;
}

/* --------------------------------------------------------------------------
   12. Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--bg-dark);
  color: var(--text-light);
  padding: 80px 0 30px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 60px;
}

.footer-brand {
  max-width: 400px;
}

.footer-tagline {
  font-size: 0.9rem;
  color: var(--text-light-muted);
  margin-top: 10px;
  margin-bottom: 24px;
}

.footer-meta-info {
  font-size: 0.8rem;
  color: var(--text-light-muted);
  line-height: 1.6;
}

.footer-nav {
  display: flex;
  gap: 60px;
}

.footer-nav-col h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.footer-nav-col ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-nav-col a {
  font-size: 0.85rem;
  color: var(--text-light-muted);
}

.footer-nav-col a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--text-light-muted);
}

.footer-legal {
  display: flex;
  gap: 24px;
}

.footer-legal a {
  font-size: 0.8rem;
  color: var(--text-light-muted);
}

.footer-legal a:hover {
  color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   13. Floating Action Bar (Mobile Sticky CTA)
   -------------------------------------------------------------------------- */
.floating-cta-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid rgba(226, 232, 240, 0.8);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08);
  z-index: 900;
  padding: 12px 16px;
  transform: translateY(100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.floating-cta-bar.show {
  transform: translateY(0);
}

.floating-cta-container {
  max-width: 600px;
  margin: 0 auto;
}

.btn-full {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

/* --------------------------------------------------------------------------
   14. Animations & Interactions (Intersection Observer)
   -------------------------------------------------------------------------- */
.scroll-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), 
              transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* --------------------------------------------------------------------------
   15. Responsive Queries
   -------------------------------------------------------------------------- */

@media (max-width: 1024px) {
  .hero-title {
    font-size: 2.5rem;
  }
  
  .pricing-grid {
    gap: 20px;
  }
  
  .pricing-card {
    padding: 36px 24px;
  }
  
  .pricing-card.highlighted {
    transform: scale(1);
  }
  
  .pricing-card.highlighted:hover {
    transform: translateY(-4px);
  }
}

@media (max-width: 900px) {
  .hero-section {
    background-image: linear-gradient(180deg, rgba(255, 255, 255, 0.97) 0%, rgba(255, 255, 255, 0.88) 60%, rgba(255, 255, 255, 0.45) 100%), url('../assets/clean_living_room.png');
    background-position: center;
  }

  .hero-container {
    grid-template-columns: 1fr;
    gap: 48px;
    text-align: center;
  }
  
  .hero-content {
    max-width: 100%;
  }
  
  .hero-badges {
    justify-content: center;
  }
  
  .hero-cta-group {
    justify-content: center;
  }
  
  .hero-visual {
    width: 100%;
  }
  
  .visual-card {
    max-width: 500px;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  
  .pricing-grid {
    grid-template-columns: 1fr;
    gap: 30px;
    max-width: 480px;
    margin: 0 auto;
  }
  
  .case-card {
    grid-template-columns: 1fr;
  }
  
  .case-body {
    padding: 32px;
  }
  
  .testimonials-grid {
    grid-template-columns: 1fr;
    gap: 24px;
    max-width: 500px;
    margin: 0 auto;
  }
  
  .line-cta-wrapper {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 40px 24px;
  }
  
  .line-cta-qr-box {
    display: none; /* Hide QR code on mobile/tablet since they are already on mobile */
  }
  
  .desktop-nav, .header-cta {
    display: none;
  }
  
  .hamburger-menu {
    display: flex;
  }
  
  .footer-top {
    flex-direction: column;
    gap: 40px;
  }
  
  .footer-nav {
    flex-direction: column;
    gap: 30px;
  }
}

@media (max-width: 600px) {
  section {
    padding: 70px 0;
  }
  
  .hero-section {
    padding: 130px 0 80px 0;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-description {
    font-size: 0.95rem;
  }
  
  .hero-badges {
    flex-direction: column;
    align-items: center;
    gap: 12px;
  }
  
  .hero-cta-group .btn {
    width: 100%;
  }
  
  .section-title {
    font-size: 1.8rem;
  }
  
  .inclusions-banner {
    padding: 24px 16px;
  }
  
  .inclusions-list {
    flex-direction: column;
    align-items: flex-start;
    max-width: 250px;
    margin: 0 auto;
  }
  
  .case-images-wrapper {
    padding: 16px;
    gap: 8px;
  }
  
  .case-arrow {
    width: 28px;
    height: 28px;
  }
  
  .line-steps {
    flex-direction: column;
    gap: 12px;
  }
  
  .line-cta-main h2 {
    font-size: 1.7rem;
  }
  
  .btn-xl {
    padding: 16px 28px;
    font-size: 1rem;
  }
  
  .floating-cta-bar {
    display: block; /* Show action bar only on mobile screen */
  }
}

/* Ensure mobile layout shows action bar correctly, so adjust body padding */
@media (max-width: 600px) {
  body {
    padding-bottom: 74px; /* Give room for floating CTA */
  }
}