/* ============================================
   GLACIER STORE - Modern Cold Therapy Design
   Inspired by premium wellness brands
   ============================================ */

/* ============================================
   1. CSS VARIABLES & RESET
   ============================================ */

:root {
    /* Color Palette - Natural & Premium */
    --primary-dark: #1a1a1a;
    --primary-light: #f5f3f0;
    --accent-ice: #5DADE2;
    --accent-deep: #2874A6;
    --warm-beige: #d4c4b0;
    --warm-sand: #e8dcc6;
    --text-dark: #2c2c2c;
    --text-light: #6c6c6c;
    --white: #ffffff;
    --gray-light: #f8f7f5;
    --gray-medium: #e0e0e0;
    --success: #27ae60;
    --warning: #f39c12;

    /* Typography */
    --font-primary: 'Inter', sans-serif;
    --font-display: 'Space Grotesk', sans-serif;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 3rem;
    --space-xl: 4rem;
    --space-xxl: 6rem;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
    --shadow-xl: 0 16px 48px rgba(0,0,0,0.16);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    overflow-x: hidden;
}

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

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

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ============================================
   2. HEADER & NAVIGATION
   ============================================ */

.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    z-index: 1000;
    transition: var(--transition-base);
    box-shadow: 0 1px 0 rgba(0,0,0,0.05);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-left .logo-image {
    height: 70px;
    width: auto;
}

.nav-center {
    display: flex;
    gap: 2.5rem;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-dark);
    position: relative;
    transition: var(--transition-base);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-ice);
    transition: var(--transition-base);
}

.nav-link:hover {
    color: var(--accent-ice);
}

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

.btn-primary-header {
    background: var(--accent-ice);
    color: var(--white);
    padding: 0.75rem 1.75rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.btn-primary-header:hover {
    background: var(--accent-deep);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: 8px;
}

.mobile-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-dark);
    transition: var(--transition-base);
}

/* ============================================
   3. HERO SECTION
   ============================================ */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    margin-top: 0;
}

.hero-image-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(26, 26, 26, 0.7) 0%,
        rgba(26, 26, 26, 0.4) 50%,
        rgba(93, 173, 226, 0.2) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 2;
    width: 100%;
    padding: var(--space-xl) 0;
}

.hero-text {
    max-width: 100%;
    width: 100%;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 4vw, 3.5rem);
    font-weight: 700;
    line-height: 1.1;
    color: var(--white);
    margin-bottom: var(--space-md);
    white-space: normal;
}

.hero-line {
    display: block;
    overflow: visible;
    white-space: normal;
}

.hero-line.accent {
    color: var(--accent-ice);
}

/* Titre bicolore */
.text-frost {
    color: #ffffff;
    text-shadow: 0 2px 10px rgba(255, 255, 255, 0.3);
}

.text-ice {
    background: linear-gradient(135deg, #5DADE2 0%, #85C1E9 50%, #AED6F1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 2px 8px rgba(93, 173, 226, 0.3));
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-lg);
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
    margin-bottom: var(--space-lg);
}

.btn-primary-large,
.btn-secondary-large {
    padding: 1.25rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    transition: var(--transition-base);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary-large {
    background: var(--accent-ice);
    color: var(--white);
    box-shadow: 0 8px 24px rgba(93, 173, 226, 0.3);
}

.btn-primary-large:hover {
    background: var(--accent-deep);
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(93, 173, 226, 0.4);
}

.btn-secondary-large {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary-large:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: var(--white);
    transform: translateY(-3px);
}

.hero-features {
    display: flex;
    gap: var(--space-lg);
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
}

.hero-feature i {
    font-size: 1.25rem;
    color: var(--accent-ice);
}

/* ============================================
   4. TRUST SECTION
   ============================================ */

.trust-section {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    padding: var(--space-xl) 0;
    position: relative;
}

.trust-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(93, 173, 226, 0.3), transparent);
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-md);
    text-align: center;
}

.trust-item {
    background: white;
    padding: var(--space-lg);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.trust-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-ice), var(--accent-deep));
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.trust-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.trust-item:hover::before {
    transform: scaleX(1);
}

.trust-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent-ice), var(--accent-deep));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.75rem;
    line-height: 1.2;
}

.trust-label {
    font-size: 1rem;
    color: var(--text-dark);
    font-weight: 600;
    letter-spacing: 0.3px;
}

/* ============================================
   5. BENEFITS SECTION
   ============================================ */

.benefits {
    padding: var(--space-md) 0;
    background: var(--white);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-md);
}

.section-label {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent-ice);
    margin-bottom: var(--space-sm);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--space-md);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.7;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-md);
}

.benefit-card {
    background: var(--gray-light);
    padding: var(--space-lg);
    border-radius: 16px;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.benefit-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-ice), var(--accent-deep));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-base);
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.benefit-card:hover::before {
    transform: scaleX(1);
}

.benefit-icon {
    width: 60px;
    height: 60px;
    background: var(--white);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
    font-size: 1.5rem;
    color: var(--accent-ice);
    box-shadow: var(--shadow-sm);
}

.benefit-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--text-dark);
}

.benefit-card p {
    color: var(--text-light);
    line-height: 1.6;
}

/* ============================================
   6. PRODUCT SHOWCASE
   ============================================ */

.product-showcase {
    padding: var(--space-md) 0;
    background: linear-gradient(180deg, var(--white) 0%, var(--gray-light) 100%);
}

.product-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: start;
}

.product-main-image {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    margin-bottom: var(--space-md);
}

.product-main-image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
}

.product-thumbnails {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-sm);
}

.thumbnail {
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition-base);
    opacity: 0.6;
    border: 2px solid transparent;
}

.thumbnail:hover,
.thumbnail.active {
    opacity: 1;
    border-color: var(--accent-ice);
}

.thumbnail img,
img.thumbnail {
    width: 100% !important;
    height: auto !important;
    aspect-ratio: 1 / 1 !important;
    object-fit: cover !important;
    display: block !important;
}

.product-info {
    padding: var(--space-md);
}

.product-label {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent-ice);
    margin-bottom: var(--space-sm);
}

.product-title {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.product-rating {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.stars {
    color: #ffd700;
}

.product-description {
    font-size: 1.125rem;
    color: var(--text-light);
    margin-bottom: var(--space-md);
    line-height: 1.7;
}

.product-features {
    margin-bottom: var(--space-lg);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--gray-medium);
}

.feature-item:last-child {
    border-bottom: none;
}

.feature-item i {
    color: var(--success);
    font-size: 1.25rem;
}

.product-price {
    background: var(--gray-light);
    padding: var(--space-md);
    border-radius: 12px;
    margin-bottom: var(--space-md);
}

.price-label {
    font-size: 0.875rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--space-xs);
}

.price-wrapper {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.price-current {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-ice);
}

.price-original {
    font-size: 1.5rem;
    color: var(--text-light);
    text-decoration: line-through;
}

.price-save {
    background: var(--success);
    color: var(--white);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

.product-cta {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
}

/* Utility Classes */
.text-center {
    text-align: center !important;
}

.btn-primary-xl,
.btn-outline {
    padding: 1.25rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    transition: var(--transition-base);
    text-align: center;
    display: inline-block;
}

.btn-primary-xl {
    background: var(--accent-ice);
    color: var(--white);
    box-shadow: 0 8px 24px rgba(93, 173, 226, 0.3);
}

.btn-primary-xl:hover {
    background: var(--accent-deep);
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(93, 173, 226, 0.4);
}

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

.btn-outline:hover {
    background: var(--text-dark);
    color: var(--white);
}

.product-guarantee {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: rgba(93, 173, 226, 0.1);
    border-radius: 12px;
    border: 1px solid rgba(93, 173, 226, 0.2);
}

.product-guarantee i {
    font-size: 2rem;
    color: var(--accent-ice);
}

.product-guarantee strong {
    display: block;
    margin-bottom: 0.25rem;
}

/* ============================================
   7. FEATURES TABS
   ============================================ */

.features {
    padding: var(--space-md) 0;
    background: var(--white);
}

.features-tabs {
    margin-top: var(--space-md);
}

.tab-buttons {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.tab-btn {
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-light);
    background: var(--gray-light);
    border-radius: 50px;
    transition: var(--transition-base);
}

.tab-btn.active,
.tab-btn:hover {
    background: var(--accent-ice);
    color: var(--white);
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

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

.tab-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
}

.tab-image {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.tab-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.tab-info h3 {
    font-size: 2rem;
    margin-bottom: var(--space-md);
    color: var(--text-dark);
}

.tab-info p {
    font-size: 1.125rem;
    color: var(--text-light);
    margin-bottom: var(--space-md);
    line-height: 1.7;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    padding: var(--space-sm) 0;
    padding-left: 2rem;
    position: relative;
    color: var(--text-dark);
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: bold;
    font-size: 1.25rem;
}

.spec-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--gray-light);
    border-radius: 20px;
}

.spec-item {
    display: flex;
    justify-content: space-between;
    padding: var(--space-sm);
    background: var(--white);
    border-radius: 12px;
}

.spec-label {
    font-weight: 600;
    color: var(--text-light);
}

.spec-value {
    font-weight: 600;
    color: var(--text-dark);
}

/* ============================================
   8. TESTIMONIALS
   ============================================ */

.testimonials {
    padding: var(--space-md) 0;
    background: var(--gray-light);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-md);
}

.testimonial-card {
    background: var(--white);
    padding: var(--space-lg);
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.testimonial-rating {
    margin-bottom: var(--space-md);
    color: #ffd700;
}

.testimonial-text {
    font-size: 1.125rem;
    color: var(--text-dark);
    line-height: 1.7;
    margin-bottom: var(--space-md);
    font-style: italic;
}

.testimonial-author strong {
    display: block;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.25rem;
}

.testimonial-author span {
    font-size: 0.875rem;
    color: var(--text-light);
}

/* ============================================
   9. COMPARISON TABLE
   ============================================ */

.comparison {
    padding: var(--space-md) 0;
    background: var(--white);
}

.comparison-table {
    background: var(--gray-light);
    border-radius: 20px;
    overflow: hidden;
    margin-top: var(--space-md);
}

.comparison-header {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    background: var(--text-dark);
    color: var(--white);
    font-weight: 600;
}

.comparison-header > div {
    padding: var(--space-md);
    text-align: center;
}

.comparison-brand.highlight {
    background: var(--accent-ice);
}

.comparison-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    border-bottom: 1px solid var(--gray-medium);
}

.comparison-row:last-child {
    border-bottom: none;
}

.comparison-feature {
    padding: var(--space-md);
    font-weight: 600;
    background: var(--white);
}

.comparison-value {
    padding: var(--space-md);
    text-align: center;
    background: var(--white);
}

.comparison-value.highlight {
    background: rgba(93, 173, 226, 0.1);
    color: var(--accent-deep);
    font-weight: 600;
}

.comparison-value i {
    margin-right: 0.5rem;
}

.fa-check {
    color: var(--success);
}

.fa-times {
    color: #e74c3c;
}

/* ============================================
   10. CTA SECTION
   ============================================ */

.cta-section {
    padding: var(--space-md) 0;
    background: linear-gradient(135deg, var(--accent-deep) 0%, var(--accent-ice) 100%);
    color: var(--white);
    text-align: center;
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: var(--space-md);
}

.cta-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--space-lg);
    opacity: 0.95;
}

.cta-offer {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: var(--space-md) var(--space-lg);
    border-radius: 20px;
    margin: 0 auto var(--space-lg) auto;
    width: fit-content;
    text-align: center;
}

.offer-item {
    font-size: 1.25rem;
    font-weight: 600;
    color: white;
    text-align: center;
    display: block;
    margin: 0 auto;
    background: #1e4d8b; /* Bleu foncé */
    padding: 1rem 2rem;
    border-radius: 12px;
    width: fit-content;
}

.offer-discount {
    font-size: 2rem;
    font-weight: 700;
}

.offer-text {
    font-size: 1.125rem;
    text-align: center;
    width: 100%;
    display: block;
    margin-bottom: 0;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    flex-wrap: wrap;
    margin-bottom: var(--space-md);
}

.btn-outline-xl {
    padding: 1.25rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
    transition: var(--transition-base);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-outline-xl:hover {
    background: var(--white);
    color: var(--accent-deep);
}

.cta-features {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    flex-wrap: wrap;
}

.cta-feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.cta-feature i {
    font-size: 1.25rem;
}

/* ============================================
   11. CONTACT SECTION
   ============================================ */

.contact-section {
    padding: var(--space-md) 0;
    background: var(--gray-light);
}

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

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: var(--space-md);
    color: var(--text-dark);
}

.contact-info p {
    font-size: 1.125rem;
    color: var(--text-light);
    margin-bottom: var(--space-lg);
    line-height: 1.7;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.contact-method {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.contact-method i {
    width: 50px;
    height: 50px;
    background: var(--white);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-ice);
    font-size: 1.25rem;
    box-shadow: var(--shadow-sm);
}

.contact-method strong {
    display: block;
    margin-bottom: 0.25rem;
    color: var(--text-dark);
}

.contact-method a {
    color: var(--accent-ice);
    font-weight: 500;
}

.contact-form {
    background: var(--white);
    padding: var(--space-lg);
    border-radius: 20px;
    box-shadow: var(--shadow-md);
}

.contact-form h3 {
    font-size: 1.75rem;
    margin-bottom: var(--space-md);
    color: var(--text-dark);
}

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

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--gray-medium);
    border-radius: 12px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition-base);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--accent-ice);
}

.contact-form textarea {
    resize: vertical;
}

.btn-primary-form {
    width: 100%;
    padding: 1.25rem;
    background: var(--accent-ice);
    color: var(--white);
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 12px;
    transition: var(--transition-base);
    margin-top: var(--space-sm);
}

.btn-primary-form:hover {
    background: var(--accent-deep);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ============================================
   12. FOOTER
   ============================================ */

.footer {
    background: var(--text-dark);
    color: var(--white);
    padding: var(--space-xl) 0 var(--space-md);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-xl);
    margin-bottom: var(--space-lg);
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    height: 80px;
    margin-bottom: var(--space-md);
    filter: none; /* Suppression du filtre pour rendre le logo visible */
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--space-md);
}

.footer-social {
    display: flex;
    gap: var(--space-sm);
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
}

.footer-social a:hover {
    background: var(--accent-ice);
}

.footer-links h4 {
    margin-bottom: var(--space-md);
    font-size: 1.125rem;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--space-xs);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition-base);
}

.footer-links a:hover {
    color: var(--accent-ice);
}

.footer-bottom {
    padding-top: var(--space-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.footer-legal {
    display: flex;
    gap: var(--space-md);
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition-base);
}

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

/* ============================================
   13. CHAT WIDGET
   ============================================ */

.chat-widget {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 999;
}

.chat-button {
    width: 60px;
    height: 60px;
    background: var(--accent-ice);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-base);
    cursor: pointer;
    position: relative;
}

.chat-button:hover {
    transform: scale(1.1);
    background: var(--accent-deep);
}

.chat-badge {
    position: absolute;
    top: 0;
    right: 0;
    width: 12px;
    height: 12px;
    background: var(--warning);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.5);
        opacity: 0.5;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

/* ============================================
   14. RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 1024px) {
    .product-grid,
    .contact-grid,
    .tab-grid {
        grid-template-columns: 1fr;
    }

    .comparison-header,
    .comparison-row {
        grid-template-columns: 1.5fr 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-center,
    .nav-right .btn-primary-header {
        display: none;
    }

    .mobile-toggle {
        display: flex;
    }

    .hero-title {
        font-size: clamp(1.5rem, 4vw, 2rem);
    }

    .hero-cta {
        flex-direction: column;
    }

    .btn-primary-large,
    .btn-secondary-large {
        width: 100%;
        justify-content: center;
    }

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

    .benefits-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }

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

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

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-social {
        justify-content: center;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    /* Comparison table - keep columns on mobile (overridden in mobile-optimization.css) */
    .comparison-header,
    .comparison-row {
        grid-template-columns: 1.2fr 1fr 1fr;
    }

    .comparison-value {
        text-align: center;
        padding: var(--space-sm);
    }

    .cta-features {
        flex-direction: column;
        gap: var(--space-sm);
        align-items: flex-start;
        padding: 0 var(--space-xs);
        max-width: 100%;
        overflow-wrap: break-word;
        margin-left: 0;
        justify-content: flex-start;
    }

    .hero-features {
        flex-direction: column;
        gap: var(--space-sm);
        align-items: flex-start;
        padding: 0 var(--space-xs);
        max-width: 100%;
        overflow-wrap: break-word;
        margin-left: 0;
        justify-content: flex-start;
    }

    .hero-feature,
    .cta-feature {
        text-align: left;
        max-width: 100%;
        word-wrap: break-word;
        padding: var(--space-xs) var(--space-sm);
        align-self: flex-start;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: clamp(1.2rem, 3vw, 1.5rem);
        white-space: normal;
    }

    .hero-line {
        white-space: normal;
    }

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

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

/* ============================================
   CHILLER COMPARISON TABLE
   ============================================ */

.chiller-comparison-table {
    width: 100%;
    border-collapse: collapse;
    font-family: 'Inter', sans-serif;
    background: white;
    margin: 0 auto;
    table-layout: fixed;
    min-width: 100%;
}

.chiller-comparison-table thead tr {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.chiller-comparison-table th {
    padding: 40px 10px;
    text-align: center;
    font-weight: 600;
    border: none;
    white-space: normal;
}

.chiller-comparison-table td {
    padding: 28px 10px;
    border-bottom: 1px solid #e9ecef;
    vertical-align: top;
    white-space: normal;
}