/* ============================================
   AirCool — air-cool.fr
   Mobile-first CSS | 430px base
   Pixel-perfect replica of the original design
   ============================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Colors — blue/cool theme */
  --color-primary: #2563EB;
  --color-primary-hover: #1D4ED8;
  --color-primary-light: #EFF6FF;
  --color-secondary: #0EA5E9;
  --color-white: #FFFFFF;
  --color-text: #1E293B;
  --color-text-light: #6B7280;
  --color-text-lighter: #9CA3AF;
  --color-bg: #FFFFFF;
  --color-bg-light: #F8FAFC;
  --color-bg-alt: #F1F5F9;
  --color-green: #22C55E;
  --color-green-dark: #16A34A;
  --color-green-light: #DCFCE7;
  --color-red: #EF4444;
  --color-red-light: #FEE2E2;
  --color-dark: #0F172A;
  --color-dark-alt: #1E293B;
  --color-border: #E5E7EB;
  --color-whatsapp: #25D366;
  --color-star: #FBBF24;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-pill: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;

  /* Layout */
  --max-width: 1200px;
  --header-height: 60px;
  --announcement-height: 36px;
}

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

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInBottom {
  from {
    transform: translateY(100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes whatsappPulse {
  0% { transform: scale(1); opacity: 0.5; }
  100% { transform: scale(1.6); opacity: 0; }
}

@keyframes cartBounce {
  0%, 100% { transform: scale(1); }
  25% { transform: scale(1.3); }
  50% { transform: scale(0.9); }
  75% { transform: scale(1.15); }
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

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

ul, ol {
  list-style: none;
}

input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

/* ---------- Utility Classes ---------- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* IMPORTANT: .text-blue in the HTML highlights "nous" —
   the original site uses coral/orange for this, NOT blue */
.text-blue {
  color: var(--color-primary);
}

.section-title {
  font-size: 1.75rem;
  font-weight: 800;
  line-height: 1.15;
  text-align: center;
  margin-bottom: var(--space-md);
  color: var(--color-text);
  letter-spacing: -0.02em;
  padding: 0 var(--space-md);
}

.section-subtitle {
  font-size: 0.95rem;
  color: var(--color-text-light);
  text-align: center;
  margin-bottom: var(--space-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.5;
  padding: 0 var(--space-md);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 14px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
  transition: all var(--transition-base);
  white-space: nowrap;
  text-align: center;
  cursor: pointer;
  border: 2px solid transparent;
  line-height: 1.4;
}

.btn--primary {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

.btn--primary:hover {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.45);
  transform: translateY(-1px);
}

.btn--outline {
  background-color: var(--color-white);
  color: var(--color-text);
  border: 2px solid var(--color-text);
}

.btn--outline:hover {
  background-color: var(--color-text);
  color: var(--color-white);
  transform: translateY(-1px);
}

/* Full width on mobile */
.btn--full-mobile {
  width: 100%;
  padding: 16px 0;
  font-size: 1rem;
}

/* Full width always */
.btn--full {
  width: 100%;
  padding: 14px 0;
}

/* ============================================
   1. ANNOUNCEMENT BAR
   ============================================ */
.announcement-bar {
  background: linear-gradient(135deg, var(--color-primary), #3B82F6);
  color: var(--color-white);
  height: var(--announcement-height);
  display: flex;
  align-items: center;
  overflow: hidden;
  position: relative;
  z-index: 100;
}

.announcement-bar__track {
  display: flex;
  align-items: center;
  animation: marquee 30s linear infinite;
  white-space: nowrap;
}

.announcement-bar__item {
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0 var(--space-sm);
  flex-shrink: 0;
}

.announcement-bar__dot {
  font-size: 0.4rem;
  padding: 0 var(--space-sm);
  opacity: 0.7;
  flex-shrink: 0;
}

/* ============================================
   2. HEADER
   ============================================ */
.header {
  position: sticky;
  top: 0;
  z-index: 90;
  background-color: var(--color-white);
  height: var(--header-height);
  transition: box-shadow var(--transition-base), border-color var(--transition-base);
  border-bottom: 1px solid transparent;
}

.header--scrolled {
  box-shadow: var(--shadow-md);
  border-bottom-color: var(--color-border);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-text);
  flex-shrink: 0;
}

.header__logo-icon {
  font-size: 1.4rem;
  line-height: 1;
}

.header__logo-text {
  letter-spacing: -0.02em;
}

/* Desktop nav — hidden on mobile */
.header__nav {
  display: none;
  align-items: center;
  gap: var(--space-lg);
}

.header__nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-light);
  transition: color var(--transition-fast);
}

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

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

/* "En stock" and "Commander" badges — hidden on mobile */
.header__badge {
  display: none;
  padding: 6px 14px;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
  white-space: nowrap;
}

.header__badge--stock {
  background-color: var(--color-green-light);
  color: var(--color-green-dark);
}

.header__badge--cta {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.header__badge--cta:hover {
  background-color: var(--color-primary-hover);
}

/* Cart icon */
.header__cart {
  position: relative;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
  border-radius: 50%;
  transition: background-color var(--transition-fast);
}

.header__cart:hover {
  background-color: var(--color-bg-light);
}

.header__cart svg {
  width: 22px;
  height: 22px;
}

.header__cart-count {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-primary);
  color: var(--color-white);
  font-size: 0.65rem;
  font-weight: 700;
  border-radius: 50%;
  animation: cartBounce 0.4s ease;
}

/* Hamburger */
.header__hamburger {
  width: 40px;
  height: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border-radius: 50%;
  transition: background-color var(--transition-fast);
}

.header__hamburger:hover {
  background-color: var(--color-bg-light);
}

.header__hamburger-line {
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.header__hamburger.active .header__hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.header__hamburger.active .header__hamburger-line:nth-child(2) {
  opacity: 0;
}

.header__hamburger.active .header__hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   3. MOBILE MENU
   ============================================ */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 85;
  pointer-events: none;
  visibility: hidden;
  opacity: 0;
  transition: visibility var(--transition-slow), opacity var(--transition-slow);
}

.mobile-menu.active,
.mobile-menu[aria-hidden="false"] {
  pointer-events: auto;
  visibility: visible;
  opacity: 1;
}

.mobile-menu__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.4);
  opacity: 0;
  transition: opacity var(--transition-slow);
}

.mobile-menu.active .mobile-menu__overlay,
.mobile-menu[aria-hidden="false"] .mobile-menu__overlay {
  opacity: 1;
}

.mobile-menu__content {
  position: absolute;
  top: 0;
  right: 0;
  width: 80%;
  max-width: 320px;
  height: 100%;
  background-color: var(--color-white);
  padding: calc(var(--header-height) + var(--announcement-height) + var(--space-xl)) var(--space-lg) var(--space-xl);
  transform: translateX(100%);
  transition: transform var(--transition-slow);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.mobile-menu.active .mobile-menu__content,
.mobile-menu[aria-hidden="false"] .mobile-menu__content {
  transform: translateX(0);
}

.mobile-menu__link {
  display: block;
  padding: var(--space-md) 0;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
  transition: color var(--transition-fast);
}

.mobile-menu__link:hover {
  color: var(--color-primary);
}

.mobile-menu__link--cta {
  margin-top: var(--space-md);
  background-color: var(--color-primary);
  color: var(--color-white);
  text-align: center;
  border-radius: var(--radius-pill);
  padding: 14px var(--space-lg);
  border-bottom: none;
}

.mobile-menu__link--cta:hover {
  background-color: var(--color-primary-hover);
  color: var(--color-white);
}

/* ============================================
   4. HERO SECTION
   ============================================ */
.hero {
  padding: var(--space-xl) 0 var(--space-2xl);
  text-align: center;
  background-color: var(--color-bg);
  overflow: hidden;
}

.hero__container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.hero__content {
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Badge: "Canicule en cours — stock limite" */
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 8px 16px;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-lg);
}

/* Main heading */
.hero__title {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.05;
  margin-bottom: var(--space-md);
  color: var(--color-text);
  letter-spacing: -0.03em;
  max-width: 420px;
}

.hero__subtitle {
  font-size: 0.95rem;
  color: var(--color-text-light);
  margin-bottom: var(--space-lg);
  line-height: 1.55;
  max-width: 380px;
}

/* CTA buttons container */
.hero__ctas {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  width: 100%;
  margin-bottom: var(--space-xl);
}

/* Trust badges — 2x2 grid on mobile */
.hero__trust {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm) var(--space-md);
  margin-bottom: var(--space-xl);
  width: 100%;
  max-width: 380px;
}

.hero__trust-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--color-text-light);
  font-weight: 500;
}

.hero__trust-item svg {
  flex-shrink: 0;
}

/* Hero image — below trust badges on mobile */
.hero__image {
  width: 100%;
  max-width: 340px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__image img {
  width: 100%;
  height: auto;
  object-fit: contain;
}

/* ============================================
   5. SOCIAL PROOF TOAST
   ============================================ */
.social-proof-toast {
  position: fixed;
  bottom: 100px;
  left: var(--space-md);
  right: var(--space-md);
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-border);
  z-index: 70;
  transform: translateY(calc(100% + 120px));
  opacity: 0;
  transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  max-width: 400px;
  overflow: hidden;
}

.social-proof-toast.visible {
  transform: translateY(0);
  opacity: 1;
  animation: slideInBottom 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.social-proof-toast__inner {
  display: flex;
  flex-direction: column;
  padding: var(--space-md);
  position: relative;
}

.social-proof-toast__label {
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-sm);
}

.social-proof-toast__content {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.social-proof-toast__img {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  flex-shrink: 0;
  background-color: var(--color-bg-alt);
}

.social-proof-toast__text {
  flex: 1;
  min-width: 0;
}

.social-proof-toast__text strong {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.3;
}

.social-proof-toast__text span {
  display: block;
  font-size: 0.7rem;
  color: var(--color-text-light);
  margin-top: 2px;
}

.social-proof-toast__close {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--color-text-lighter);
  border-radius: 50%;
  transition: color var(--transition-fast), background-color var(--transition-fast);
  line-height: 1;
}

.social-proof-toast__close:hover {
  color: var(--color-text);
  background-color: var(--color-bg-alt);
}

/* ============================================
   6. RUPTURE / COMPARISON SECTION
   ============================================ */
.rupture {
  padding: var(--space-2xl) 0;
  background-color: var(--color-bg-light);
}

.rupture__container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.rupture__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.rupture__card {
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
}

.rupture__card--elsewhere {
  background-color: #FEF2F2;
  border: 1px solid #FECACA;
}

.rupture__card--aircool {
  background-color: #F0FDF4;
  border: 2px solid var(--color-green);
}

.rupture__card-title {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  text-align: center;
}

.rupture__card-title--red {
  color: var(--color-red);
}

.rupture__card-title--green {
  color: var(--color-green-dark);
}

.rupture__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.rupture__list-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: 0.78rem;
  line-height: 1.4;
  color: var(--color-text);
}

.rupture__list-item svg {
  flex-shrink: 0;
  margin-top: 1px;
}

.rupture__list-item--bad {
  color: var(--color-text);
}

.rupture__list-item--good {
  color: var(--color-text);
}

/* ============================================
   7. PRODUCTS SECTION
   ============================================ */
.products {
  padding: var(--space-2xl) 0;
  background-color: var(--color-bg);
}

.products__container {
  max-width: var(--max-width);
  margin: 0 auto;
}

/* Horizontal scroll carousel on mobile */
.products__grid {
  display: flex;
  gap: var(--space-md);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding: 0 var(--space-md) var(--space-md);
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.products__grid::-webkit-scrollbar {
  display: none;
}

.products__scroll-hint {
  text-align: center;
  font-size: 0.75rem;
  color: var(--color-text-lighter);
  margin-top: var(--space-sm);
  padding: 0 var(--space-md);
}

/* Product Card */
.product-card {
  flex: 0 0 82%;
  max-width: 360px;
  scroll-snap-align: center;
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
  position: relative;
}

.product-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.product-card--featured {
  border: 2px solid var(--color-primary);
}

/* Badges area */
.product-card__badges {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-md) 0;
  flex-wrap: wrap;
}

.product-card__badge {
  display: inline-flex;
  align-items: center;
  padding: 5px 12px;
  font-size: 0.7rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
}

.product-card__badge--blue {
  background-color: #EFF6FF;
  color: var(--color-secondary);
}

.product-card__badge--coral {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
}

.product-card__badge--corner {
  /* "Le plus choisi" corner badge */
}

/* Product image */
.product-card__image {
  width: 100%;
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
  background-color: var(--color-bg-light);
}

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

/* Card body */
.product-card__body {
  padding: var(--space-md);
}

.product-card__name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
  line-height: 1.3;
}

.product-card__desc {
  font-size: 0.8rem;
  color: var(--color-text-light);
  margin-bottom: var(--space-sm);
  line-height: 1.4;
}

.product-card__ideal {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
  line-height: 1.4;
}

/* Features list */
.product-card__features {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: var(--space-md);
}

.product-card__features li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.8rem;
  color: var(--color-text);
  line-height: 1.4;
}

.product-card__features li svg {
  flex-shrink: 0;
}

/* Pricing */
.product-card__pricing {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
  flex-wrap: wrap;
}

.product-card__price {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-text);
}

.product-card__price-old {
  font-size: 0.9rem;
  color: var(--color-text-lighter);
  text-decoration: line-through;
}

.product-card__discount {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  background-color: var(--color-red);
  color: var(--color-white);
  font-size: 0.7rem;
  font-weight: 700;
  border-radius: var(--radius-pill);
}

/* Stock indicator */
.product-card__stock {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  color: var(--color-green-dark);
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.product-card__stock-dot {
  width: 8px;
  height: 8px;
  background-color: var(--color-green);
  border-radius: 50%;
  animation: pulse 2s infinite;
  flex-shrink: 0;
}

/* ============================================
   8. CALCULATOR SECTION
   ============================================ */
.calculator {
  padding: var(--space-2xl) 0;
  background-color: var(--color-bg-light);
}

.calculator__container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.calculator__form {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-md);
  max-width: 500px;
  margin: 0 auto;
  text-align: center;
}

.calculator__label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-md);
  display: block;
}

.calculator__slider-wrapper {
  margin-bottom: var(--space-lg);
}

.calculator__range {
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
  height: 8px;
  background: linear-gradient(to right, var(--color-primary) 50%, var(--color-bg-alt) 50%);
  border-radius: var(--radius-pill);
  outline: none;
  margin-bottom: var(--space-sm);
}

.calculator__range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 28px;
  height: 28px;
  background-color: var(--color-white);
  border: 3px solid var(--color-primary);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-fast);
}

.calculator__range::-webkit-slider-thumb:hover {
  transform: scale(1.1);
}

.calculator__range::-moz-range-thumb {
  width: 28px;
  height: 28px;
  background-color: var(--color-white);
  border: 3px solid var(--color-primary);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: var(--shadow-md);
}

.calculator__output {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-primary);
  text-align: center;
  margin-bottom: var(--space-md);
}

.calculator__form .btn {
  width: 100%;
  margin-bottom: var(--space-md);
}

.calculator__result {
  background-color: var(--color-bg-light);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  text-align: center;
  font-size: 0.9rem;
  color: var(--color-text);
  line-height: 1.5;
  display: none;
}

.calculator__result:not(:empty) {
  display: block;
}

/* ============================================
   9. HOW IT WORKS
   ============================================ */
.how-it-works {
  padding: var(--space-2xl) 0;
  background-color: var(--color-bg);
}

.how-it-works__container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.how-it-works__steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
  max-width: 500px;
  margin: 0 auto;
}

.how-it-works__step {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
}

.how-it-works__step-number {
  width: 44px;
  height: 44px;
  min-width: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-primary);
  color: var(--color-white);
  font-size: 1.1rem;
  font-weight: 800;
  border-radius: 50%;
  flex-shrink: 0;
}

.how-it-works__step-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
  color: var(--color-text);
}

.how-it-works__step-desc {
  font-size: 0.85rem;
  color: var(--color-text-light);
  line-height: 1.5;
}

/* ============================================
   10. TRUST SECTION
   ============================================ */
.trust {
  padding: var(--space-2xl) 0;
  background-color: var(--color-bg-light);
}

.trust__container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.trust__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.trust__card {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.trust__card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.trust__card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-sm);
  color: var(--color-primary);
}

.trust__card-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

.trust__card-desc {
  font-size: 0.75rem;
  color: var(--color-text-light);
  line-height: 1.4;
}

/* ============================================
   11. REVIEWS SECTION
   ============================================ */
.reviews {
  padding: var(--space-2xl) 0;
  background-color: var(--color-bg);
}

.reviews__container {
  max-width: var(--max-width);
  margin: 0 auto;
}

.reviews__rating {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  font-size: 0.85rem;
  color: var(--color-text-light);
}

.reviews__stars {
  color: var(--color-star);
  font-size: 1.1rem;
  letter-spacing: 1px;
}

.reviews__scroll {
  display: flex;
  gap: var(--space-md);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding: 0 var(--space-md) var(--space-md);
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.reviews__scroll::-webkit-scrollbar {
  display: none;
}

.reviews__scroll-hint {
  text-align: center;
  font-size: 0.75rem;
  color: var(--color-text-lighter);
  margin-top: var(--space-sm);
  padding: 0 var(--space-md);
}

/* Review Card */
.review-card {
  flex: 0 0 280px;
  scroll-snap-align: start;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  transition: box-shadow var(--transition-base);
}

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

.review-card__header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
  flex-wrap: wrap;
}

.review-card__name {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-text);
}

.review-card__location {
  font-size: 0.75rem;
  color: var(--color-text-light);
}

.review-card__date {
  font-size: 0.7rem;
  color: var(--color-text-lighter);
  margin-left: auto;
}

.review-card__stars {
  color: var(--color-star);
  font-size: 0.9rem;
  margin-bottom: var(--space-sm);
  letter-spacing: 1px;
}

.review-card__text {
  font-size: 0.85rem;
  color: var(--color-text);
  line-height: 1.55;
}

/* ============================================
   12. FAQ SECTION
   ============================================ */
.faq {
  padding: var(--space-2xl) 0;
  background-color: var(--color-bg-light);
}

.faq__container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.faq__list {
  max-width: 700px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
}

.faq__item {
  border-bottom: 1px solid var(--color-border);
}

.faq__item:first-child {
  border-top: 1px solid var(--color-border);
}

.faq__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) 0;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text);
  text-align: left;
  cursor: pointer;
  list-style: none;
  transition: color var(--transition-fast);
}

.faq__question::-webkit-details-marker {
  display: none;
}

.faq__question::marker {
  display: none;
  content: '';
}

/* Chevron via ::after */
.faq__question::after {
  content: '';
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--color-text-light);
  border-bottom: 2px solid var(--color-text-light);
  transform: rotate(45deg);
  transition: transform var(--transition-base);
  flex-shrink: 0;
  margin-left: var(--space-md);
}

.faq__item[open] .faq__question::after {
  transform: rotate(-135deg);
}

.faq__question:hover {
  color: var(--color-primary);
}

.faq__answer {
  padding: 0 0 var(--space-md) 0;
}

.faq__answer p {
  font-size: 0.85rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* ============================================
   13. FINAL CTA SECTION
   ============================================ */
.final-cta {
  padding: var(--space-3xl) 0;
  background-color: var(--color-dark);
  text-align: center;
}

.final-cta__container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.final-cta__title {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-sm);
}

.final-cta__heading {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: var(--space-md);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.final-cta__text {
  font-size: 0.95rem;
  color: var(--color-text-lighter);
  margin-bottom: var(--space-xl);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.5;
}

.final-cta__buttons {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  max-width: 400px;
  margin: 0 auto;
}

.final-cta .final-cta__buttons .btn--outline {
  background-color: transparent;
  border: 2px solid rgba(255, 255, 255, 0.4);
  color: var(--color-white);
}

.final-cta .final-cta__buttons .btn--outline:hover {
  border-color: var(--color-white);
  background-color: rgba(255, 255, 255, 0.15);
}

/* ============================================
   14. FOOTER
   ============================================ */
.footer {
  background-color: var(--color-dark);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: var(--space-2xl) 0 var(--space-lg);
  color: var(--color-text-lighter);
}

.footer__container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.footer__top {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.footer__logo {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-white);
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.footer__desc {
  font-size: 0.8rem;
  line-height: 1.55;
  color: var(--color-text-lighter);
  margin-bottom: var(--space-sm);
  max-width: 360px;
}

.footer__trust-line {
  font-size: 0.75rem;
  color: var(--color-text-lighter);
  opacity: 0.7;
}

.footer__links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
}

.footer__col-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.footer__col-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer__col-list li a {
  font-size: 0.8rem;
  color: var(--color-text-lighter);
  transition: color var(--transition-fast);
}

.footer__col-list li a:hover {
  color: var(--color-white);
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: var(--space-lg);
  text-align: center;
}

.footer__bottom p {
  font-size: 0.72rem;
  color: var(--color-text-lighter);
  opacity: 0.7;
  line-height: 1.5;
}

/* ============================================
   15. WHATSAPP FLOATING BUTTON
   ============================================ */
.whatsapp-fab {
  position: fixed;
  bottom: 80px;
  right: var(--space-md);
  width: 56px;
  height: 56px;
  background-color: var(--color-whatsapp);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
  z-index: 80;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.whatsapp-fab:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.55);
}

.whatsapp-fab::before {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background-color: var(--color-whatsapp);
  animation: whatsappPulse 2s infinite;
  z-index: -1;
}

.whatsapp-fab svg {
  position: relative;
  z-index: 1;
}

/* ============================================
   16. STICKY BOTTOM BAR
   ============================================ */
.sticky-bottom-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--color-white);
  border-top: 1px solid var(--color-border);
  padding: var(--space-sm) var(--space-md);
  z-index: 75;
  box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.08);
  transform: translateY(100%);
  transition: transform var(--transition-base);
}

.sticky-bottom-bar.visible {
  transform: translateY(0);
}

.sticky-bottom-bar__cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  width: 100%;
  padding: 14px var(--space-md);
  background-color: var(--color-primary);
  color: var(--color-white);
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
  transition: background-color var(--transition-fast);
}

.sticky-bottom-bar__cta:hover {
  background-color: var(--color-primary-hover);
}

/* ---------- Range Slider (Calculator) ---------- */
.calculator__range {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: linear-gradient(to right, var(--color-primary) 0%, var(--color-primary) 50%, #E5E7EB 50%, #E5E7EB 100%);
  outline: none;
  cursor: pointer;
}

.calculator__range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 4px solid #fff;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.35);
  cursor: pointer;
  transition: transform 0.15s ease;
}

.calculator__range::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.calculator__range::-moz-range-thumb {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 4px solid #fff;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.35);
  cursor: pointer;
}

.calculator__range::-moz-range-progress {
  background: var(--color-primary);
  height: 8px;
  border-radius: 4px;
}

.sticky-bottom-bar__cta svg {
  flex-shrink: 0;
}

/* ============================================
   SCROLL ANIMATIONS
   ============================================ */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }

/* ============================================
   RESPONSIVE — TABLET (768px)
   ============================================ */
@media (min-width: 768px) {
  :root {
    --header-height: 68px;
  }

  .section-title {
    font-size: 2rem;
  }

  /* Header */
  .header__actions {
    gap: var(--space-md);
  }

  /* Hero */
  .hero {
    padding: var(--space-3xl) 0 var(--space-2xl);
  }

  .hero__title {
    font-size: 3rem;
    max-width: 600px;
  }

  .hero__subtitle {
    font-size: 1.05rem;
    max-width: 520px;
  }

  .hero__ctas {
    flex-direction: row;
    justify-content: center;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
  }

  .btn--full-mobile {
    width: auto;
    padding: 14px 32px;
    font-size: 0.95rem;
  }

  .hero__trust {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-md);
    max-width: none;
  }

  .hero__image {
    max-width: 420px;
  }

  /* Products */
  .product-card {
    flex: 0 0 320px;
  }

  /* Rupture / Comparison */
  .rupture__grid {
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
  }

  .rupture__list-item {
    font-size: 0.82rem;
  }

  /* Trust */
  .trust__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* Reviews */
  .review-card {
    flex: 0 0 320px;
  }

  /* How it works */
  .how-it-works__steps {
    flex-direction: row;
    max-width: none;
    gap: var(--space-lg);
  }

  .how-it-works__step {
    flex-direction: column;
    align-items: center;
    text-align: center;
    flex: 1;
  }

  /* Footer */
  .footer__top {
    grid-template-columns: 2fr 1fr;
  }

  .footer__bottom {
    text-align: center;
  }

  /* Final CTA */
  .final-cta__heading {
    font-size: 2rem;
  }

  .final-cta__buttons {
    flex-direction: row;
    justify-content: center;
    max-width: none;
  }

  /* Social proof toast */
  .social-proof-toast {
    left: var(--space-lg);
    right: auto;
    max-width: 360px;
  }

  /* Calculator */
  .calculator__form {
    padding: var(--space-2xl);
  }
}

/* ============================================
   RESPONSIVE — DESKTOP (1024px+)
   ============================================ */
@media (min-width: 1024px) {
  :root {
    --header-height: 72px;
  }

  .section-title {
    font-size: 2.25rem;
  }

  /* Header: show nav + badges, hide hamburger */
  .header__nav {
    display: flex;
  }

  .header__badge {
    display: inline-flex;
  }

  .header__hamburger {
    display: none;
  }

  .header__actions {
    gap: var(--space-md);
  }

  /* Mobile menu not needed */
  .mobile-menu {
    display: none !important;
  }

  /* Hero — side by side layout */
  .hero {
    padding: var(--space-4xl) 0 var(--space-3xl);
  }

  .hero__container {
    display: flex;
    align-items: center;
    gap: var(--space-3xl);
  }

  .hero__content {
    align-items: flex-start;
    text-align: left;
    flex: 1;
  }

  .hero__title {
    font-size: 3.25rem;
    max-width: 560px;
  }

  .hero__subtitle {
    font-size: 1.1rem;
    max-width: 480px;
  }

  .hero__ctas {
    justify-content: flex-start;
  }

  .hero__trust {
    justify-content: flex-start;
    max-width: none;
  }

  .hero__image {
    flex: 0 0 420px;
    max-width: 420px;
  }

  /* Products — 3 column grid */
  .products__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    overflow-x: visible;
    padding: 0 var(--space-md);
    scroll-snap-type: none;
  }

  .product-card {
    flex: none;
    max-width: none;
  }

  .products__scroll-hint {
    display: none;
  }

  /* Rupture */
  .rupture__grid {
    max-width: 700px;
    gap: var(--space-lg);
  }

  .rupture__list-item {
    font-size: 0.85rem;
  }

  /* Trust */
  .trust__grid {
    grid-template-columns: repeat(3, 1fr);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
  }

  /* Reviews — 3 column grid */
  .reviews__scroll {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    overflow-x: visible;
    padding: 0 var(--space-md);
  }

  .review-card {
    flex: none;
  }

  .reviews__scroll-hint {
    display: none;
  }

  /* Footer */
  .footer__top {
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-3xl);
  }

  .footer__links {
    display: contents;
  }

  /* Final CTA */
  .final-cta__heading {
    font-size: 2.5rem;
  }

  /* How it works */
  .how-it-works__step-number {
    width: 52px;
    height: 52px;
    min-width: 52px;
    font-size: 1.25rem;
  }

  /* WhatsApp button */
  .whatsapp-fab {
    width: 60px;
    height: 60px;
    bottom: 90px;
    right: var(--space-xl);
  }

  /* Sticky bottom bar */
  .sticky-bottom-bar {
    padding: var(--space-sm) var(--space-xl);
  }
}

/* ============================================
   RESPONSIVE — LARGE DESKTOP (1280px+)
   ============================================ */
@media (min-width: 1280px) {
  .hero__title {
    font-size: 3.75rem;
    max-width: 640px;
  }

  .trust__grid {
    grid-template-columns: repeat(6, 1fr);
  }

  .reviews__scroll {
    grid-template-columns: repeat(3, 1fr);
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
  }
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
  .announcement-bar,
  .whatsapp-fab,
  .social-proof-toast,
  .sticky-bottom-bar,
  .mobile-menu {
    display: none !important;
  }

  .header {
    position: static;
    box-shadow: none;
  }

  body {
    color: #000;
  }
}

/* ============================================
   REDUCED MOTION
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .announcement-bar__track {
    animation: none;
  }

  .fade-in {
    opacity: 1;
    transform: none;
  }

  .whatsapp-fab::before {
    animation: none;
  }

  .product-card__stock-dot {
    animation: none;
  }
}

/* ============================================
   PRODUCT DETAIL PAGES
   ============================================ */

/* --- Breadcrumb --- */
.breadcrumb {
  padding: var(--space-md);
  font-size: 0.8rem;
  color: var(--color-text-light);
  max-width: var(--max-width);
  margin: 0 auto;
}
.breadcrumb a { color: var(--color-text-light); }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb span[aria-hidden] { margin: 0 6px; }

/* --- Product Detail Section --- */
.product-detail {
  padding: 0 var(--space-md) var(--space-xl);
  max-width: var(--max-width);
  margin: 0 auto;
}
.product-detail__container {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

/* --- Gallery --- */
.product-detail__gallery {
  position: relative;
}
.product-detail__badge {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 5;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
}
.product-detail__main-image {
  position: relative;
  background: var(--color-bg-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 1/1;
  display: flex;
  align-items: center;
  justify-content: center;
}
.product-detail__main-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 20px;
}
.product-detail__main-image img[hidden] {
  display: none !important;
}
.product-detail__counter {
  position: absolute;
  bottom: 12px;
  right: 12px;
  background: rgba(0,0,0,0.5);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
}
.product-detail__thumbs {
  display: flex;
  justify-content: center;
  gap: 8px;
  padding: 14px 0;
}
.product-detail__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  background: transparent;
  cursor: pointer;
  padding: 0;
  transition: all 0.2s;
}
.product-detail__dot.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  transform: scale(1.2);
}

/* --- Product Info --- */
.product-detail__info {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.product-detail__label {
  font-size: 0.8rem;
  color: var(--color-primary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.product-detail__title {
  font-size: 1.6rem;
  font-weight: 800;
  line-height: 1.15;
  color: var(--color-text);
}
.product-detail__subtitle {
  color: var(--color-text-light);
  font-size: 0.95rem;
}
.product-detail__ideal {
  color: var(--color-primary);
  font-size: 0.85rem;
  font-weight: 500;
}

/* --- Pricing --- */
.product-detail__pricing {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-top: 8px;
}
.product-detail__price {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--color-text);
}
.product-detail__price-old {
  font-size: 1rem;
  color: var(--color-text-lighter);
  text-decoration: line-through;
}
.product-detail__discount {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-red);
  background: var(--color-red-light);
  padding: 3px 8px;
  border-radius: var(--radius-pill);
}
.product-detail__tax-note {
  font-size: 0.75rem;
  color: var(--color-text-lighter);
}

/* --- Stock & Viewers --- */
.product-detail__stock {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-green-dark);
  margin-top: 8px;
}
.product-detail__stock-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-green);
  animation: pulse 2s ease-in-out infinite;
}
.product-detail__viewers {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--color-text-light);
}

/* --- Features --- */
.product-detail__features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 12px;
}
.product-detail__features li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--color-text);
}

/* --- Quantity --- */
.product-detail__quantity {
  display: flex;
  align-items: center;
  gap: 0;
  margin-top: 16px;
  width: fit-content;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.product-detail__quantity button {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 600;
  background: var(--color-bg-light);
  border: none;
  cursor: pointer;
  color: var(--color-text);
}
.product-detail__quantity button:hover {
  background: var(--color-bg-alt);
}
.product-detail__quantity button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}
.product-detail__quantity input {
  width: 48px;
  height: 44px;
  text-align: center;
  border: none;
  border-left: 1px solid var(--color-border);
  border-right: 1px solid var(--color-border);
  font-weight: 600;
  font-size: 1rem;
  background: #fff;
  -moz-appearance: textfield;
}
.product-detail__quantity input::-webkit-inner-spin-button,
.product-detail__quantity input::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* --- Trust Row --- */
.product-detail__trust-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
}
.product-detail__trust-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.8rem;
}
.product-detail__trust-item svg {
  flex-shrink: 0;
  color: var(--color-primary);
  margin-top: 2px;
}
.product-detail__trust-item strong {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-text);
}
.product-detail__trust-item span {
  color: var(--color-text-light);
  font-size: 0.72rem;
}

/* --- Specs Section --- */
.specs-section {
  padding: var(--space-lg) var(--space-md);
  max-width: var(--max-width);
  margin: 0 auto;
}
.specs-section__collapsible {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.specs-section__toggle {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  cursor: pointer;
  background: var(--color-bg-light);
  list-style: none;
}
.specs-section__toggle::-webkit-details-marker { display: none; }
.specs-section__toggle h2 {
  font-size: 1rem;
  font-weight: 700;
  margin: 0;
}
.specs-section__icon {
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--color-text-light);
  transition: transform 0.2s;
}
details[open] .specs-section__icon {
  transform: rotate(45deg);
}
.specs-section__content {
  padding: 16px 20px;
}
.specs-section__table {
  width: 100%;
  border-collapse: collapse;
}
.specs-section__table tr {
  border-bottom: 1px solid var(--color-border);
}
.specs-section__table tr:last-child {
  border-bottom: none;
}
.specs-section__table th,
.specs-section__table td {
  padding: 10px 0;
  font-size: 0.85rem;
  text-align: left;
}
.specs-section__table th {
  color: var(--color-text-light);
  font-weight: 500;
  width: 45%;
}
.specs-section__table td {
  font-weight: 600;
  color: var(--color-text);
}

/* --- Comparison Table --- */
.comparison {
  padding: var(--space-2xl) var(--space-md);
  max-width: var(--max-width);
  margin: 0 auto;
}
.comparison__table-wrapper {
  overflow-x: auto;
  margin-top: var(--space-lg);
}
.comparison__table {
  width: 100%;
  border-collapse: collapse;
  min-width: 360px;
}
.comparison__table thead th {
  padding: 12px 10px;
  font-size: 0.85rem;
  font-weight: 700;
  text-align: center;
}
.comparison__col--ailleurs {
  color: var(--color-red);
  background: var(--color-red-light);
}
.comparison__col--aircool {
  color: var(--color-green-dark);
  background: var(--color-green-light);
}
.comparison__table thead th:first-child {
  background: transparent;
}
.comparison__table tbody td {
  padding: 12px 10px;
  font-size: 0.82rem;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
}
.comparison__row-label {
  text-align: left !important;
  font-weight: 600;
  color: var(--color-text);
}
.comparison__badge--negative {
  color: var(--color-red);
  font-weight: 500;
}
.comparison__badge--positive {
  color: var(--color-green-dark);
  font-weight: 700;
}

/* --- Google Reviews --- */
.google-reviews {
  padding: var(--space-2xl) var(--space-md);
  max-width: var(--max-width);
  margin: 0 auto;
}
.google-reviews__summary {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: var(--space-xl);
}
.google-reviews__rating {
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.google-reviews__score {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-text);
}
.google-reviews__stars {
  color: var(--color-star);
  font-size: 1.1rem;
}
.google-reviews__count {
  font-size: 0.85rem;
  color: var(--color-text-light);
}
.google-reviews__bars {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.google-reviews__bar {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
}
.google-reviews__bar-label {
  width: 24px;
  font-weight: 600;
  color: var(--color-text);
  flex-shrink: 0;
}
.google-reviews__bar-track {
  flex: 1;
  height: 8px;
  background: var(--color-bg-alt);
  border-radius: 4px;
  overflow: hidden;
}
.google-reviews__bar-fill {
  height: 100%;
  background: var(--color-star);
  border-radius: 4px;
}
.google-reviews__bar-pct {
  width: 30px;
  text-align: right;
  color: var(--color-text-light);
  font-size: 0.75rem;
}
.google-reviews__carousel {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  gap: 14px;
  padding-bottom: 8px;
  scrollbar-width: none;
}
.google-reviews__carousel::-webkit-scrollbar { display: none; }
.google-reviews__carousel .review-card {
  flex: 0 0 280px;
  scroll-snap-align: start;
}

/* --- Review Cards (product pages) --- */
.google-reviews .review-card {
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.review-card__avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0;
}
.review-card__header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}
.review-card__stars {
  color: var(--color-star);
  font-size: 0.85rem;
}
.review-card__date {
  font-size: 0.72rem;
  color: var(--color-text-lighter);
}

/* --- Other Products Section --- */
.other-products {
  padding: var(--space-2xl) var(--space-md);
  max-width: var(--max-width);
  margin: 0 auto;
}
.other-products__grid {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  gap: 16px;
  padding-bottom: 8px;
  scrollbar-width: none;
}
.other-products__grid::-webkit-scrollbar { display: none; }
.other-products__grid .product-card {
  flex: 0 0 82%;
  max-width: 360px;
  scroll-snap-align: center;
}

/* --- Product Page Sticky Bottom Bar --- */
.sticky-bottom-bar[data-product-id] {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 90;
  background: #fff;
  border-top: 1px solid var(--color-border);
  box-shadow: 0 -4px 20px rgba(0,0,0,0.08);
  padding: 12px var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}
.sticky-bottom-bar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  gap: 14px;
}
.sticky-bottom-bar__info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.sticky-bottom-bar__name {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sticky-bottom-bar__price {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--color-primary);
}
.sticky-bottom-bar__btn {
  padding: 12px 28px;
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
  transition: all 0.2s;
}
.sticky-bottom-bar__btn:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

/* --- Desktop product layout --- */
@media (min-width: 768px) {
  .product-detail__container {
    flex-direction: row;
    gap: var(--space-2xl);
  }
  .product-detail__gallery {
    flex: 0 0 50%;
    position: sticky;
    top: calc(var(--header-height) + 20px);
    align-self: flex-start;
  }
  .product-detail__info {
    flex: 1;
  }
  .product-detail__title {
    font-size: 2rem;
  }
  .google-reviews__summary {
    flex-direction: row;
    align-items: flex-start;
    gap: 40px;
  }
  .google-reviews__carousel .review-card {
    flex: 0 0 300px;
  }
  .other-products__grid .product-card {
    flex: 0 0 45%;
  }
}