/* ===================================
   VIZEO LANDING PAGE - STYLE CSS
   =================================== */

/* Variables CSS */
:root {
    --color-primary-dark: #16204E;
    --color-primary-deep: #121A44;
    --color-text-light: #F2F3F8;
    --color-text-dark: #16204E;
    --color-accent-red: #F24C52;
    --color-accent-green: #4CAF50;
    
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    --border-radius: 8px;
    --box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    --box-shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.15);
    
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text-dark);
    overflow-x: hidden;
}

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

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

/* Animations */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.8s ease;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1rem;
    text-transform: uppercase;
    text-decoration: none;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    letter-spacing: 0.5px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-accent-red) 0%, #d63d43 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-primary:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #d63d43 0%, var(--color-accent-red) 100%);
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 8px 25px rgba(242, 76, 82, 0.5);
}

.btn-large {
    padding: 1.25rem 2.5rem;
    font-size: 1.125rem;
}

.btn-block {
    width: 100%;
    text-align: center;
}

/* Section Titles */
.section-title-dark {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-text-dark);
    text-align: center;
    margin-bottom: var(--spacing-lg);
    line-height: 1.2;
}

.section-title-light {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-text-light);
    text-align: center;
    margin-bottom: var(--spacing-lg);
    line-height: 1.2;
}

/* ===================================
   HERO SECTION
   =================================== */
.hero {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary-deep) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(242, 76, 82, 0.1) 0%, transparent 70%);
    animation: pulse 15s ease-in-out infinite;
    pointer-events: none;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.5;
    }
    50% {
        transform: scale(1.2);
        opacity: 0.8;
    }
}

.hero-content {
    max-width: 900px;
    position: relative;
    z-index: 1;
}

.hero-logo {
    max-width: 300px;
    margin: 0 auto var(--spacing-lg);
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.hero-subtitle {
    font-family: var(--font-body);
    font-size: 1.375rem;
    font-weight: 400;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
    opacity: 0.95;
}

/* ===================================
   STICKY BAR
   =================================== */
.sticky-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: var(--color-primary-deep);
    padding: var(--spacing-sm) var(--spacing-md);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    animation: slideUp 0.5s ease;
}

@keyframes slideUp {
    from {
        transform: translateY(100%);
    }
    to {
        transform: translateY(0);
    }
}

.sticky-bar-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
}

.sticky-bar-text {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text-light);
    margin: 0;
}

/* ===================================
   SOCIAL PROOF SECTION
   =================================== */
.social-proof {
    background-color: var(--color-text-light);
    padding: var(--spacing-xl) var(--spacing-md);
}

.social-proof-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.proof-card {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.proof-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(242, 76, 82, 0.1), transparent);
    transition: left 0.5s ease;
}

.proof-card:hover::before {
    left: 100%;
}

.proof-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--box-shadow-hover);
}

.proof-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.proof-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-xs);
}

.proof-text {
    font-size: 0.95rem;
    color: #666;
}

/* ===================================
   ABOUT SECTION (Qui est Vizeo ?)
   =================================== */
.about {
    background: linear-gradient(135deg, var(--color-primary-deep) 0%, var(--color-primary-dark) 100%);
    padding: var(--spacing-xl) var(--spacing-md);
    position: relative;
}

.about::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-accent-red), transparent);
}

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

.about-content {
    color: var(--color-text-light);
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.about-feature {
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--color-accent-red);
    transition: var(--transition);
    backdrop-filter: blur(5px);
}

.about-feature:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(10px);
    box-shadow: 0 5px 20px rgba(242, 76, 82, 0.2);
}

.feature-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xs);
}

.feature-text {
    font-size: 1rem;
    color: var(--color-text-light);
    opacity: 0.9;
}

.about-image {
    text-align: center;
}

.about-image img {
    max-width: 400px;
    margin: 0 auto;
}

/* ===================================
   OFFER SECTION (Produits & Prix)
   =================================== */
.offer {
    background-color: var(--color-primary-dark);
    padding: var(--spacing-xl) var(--spacing-md);
}

.offer-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.offer-title {
    margin-bottom: var(--spacing-sm);
}

.price-highlight {
    color: var(--color-accent-red);
    font-size: 3.5rem;
    display: inline-block;
    position: relative;
}

.offer-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-light);
    opacity: 0.8;
}

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

.product-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
    border: 2px solid transparent;
    backdrop-filter: blur(10px);
    position: relative;
}

.product-card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.1) 50%, transparent 70%);
    transform: rotate(45deg);
    transition: all 0.6s ease;
}

.product-card:hover::after {
    left: 100%;
}

.product-card:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: var(--color-accent-red);
    box-shadow: 0 10px 40px rgba(242, 76, 82, 0.4);
}

.product-image {
    background: white;
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 250px;
}

.product-image img {
    max-height: 220px;
    object-fit: contain;
}

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

.product-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.product-specs {
    list-style: none;
    padding: 0;
}

.product-specs li {
    color: var(--color-text-light);
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
    padding-left: var(--spacing-sm);
}

.btn-specs {
    display: block;
    width: 100%;
    margin-top: var(--spacing-md);
    padding: 0.75rem 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-text-light);
    border: 2px solid var(--color-text-light);
    border-radius: var(--border-radius);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
}

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

/* ===================================
   BENEFITS SECTION
   =================================== */
.benefits {
    background-color: var(--color-text-light);
    padding: var(--spacing-xl) var(--spacing-md);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.benefit-card {
    background: linear-gradient(145deg, #ffffff, #f8f9fa);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.benefit-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent-red), var(--color-primary-dark));
    transform: translateX(-50%);
    transition: width 0.4s ease;
}

.benefit-card:hover::after {
    width: 80%;
}

.benefit-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(22, 32, 78, 0.2);
}

.benefit-icon {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-md);
}

.benefit-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-sm);
}

.benefit-text {
    font-size: 1rem;
    color: #666;
    line-height: 1.6;
}

/* ===================================
   ADVANTAGES 4K SECTION
   =================================== */
.advantages-4k {
    background: linear-gradient(135deg, var(--color-primary-deep) 0%, var(--color-primary-dark) 100%);
    padding: var(--spacing-xl) var(--spacing-md);
}

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

.advantage-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    border: 2px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent-red), transparent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease;
}

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

.advantage-card:hover {
    transform: translateY(-10px);
    border-color: var(--color-accent-red);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 15px 40px rgba(242, 76, 82, 0.3);
}

.advantage-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.advantage-number {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.advantage-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
}

.advantage-text {
    color: var(--color-text-light);
    opacity: 0.9;
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
}

.advantage-highlight {
    color: var(--color-text-light);
    font-weight: 600;
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    background: rgba(242, 76, 82, 0.2);
    border-radius: 4px;
    border-left: 3px solid var(--color-accent-red);
}

/* ===================================
   NVR SECTION (Prêt à Poser)
   =================================== */
.nvr-section {
    background-color: var(--color-text-light);
    padding: var(--spacing-xl) var(--spacing-md);
}

.nvr-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.nvr-subtitle {
    font-size: 1.125rem;
    color: #666;
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
}

.nvr-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.nvr-feature-item {
    text-align: center;
    padding: var(--spacing-md);
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.nvr-feature-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.nvr-feature-item p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: #666;
}

.nvr-feature-item strong {
    color: var(--color-text-dark);
    display: block;
    margin-bottom: 0.25rem;
}

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

.nvr-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    position: relative;
    transition: var(--transition);
    border: 2px solid transparent;
    overflow: hidden;
}

.nvr-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent-red), var(--color-primary-dark));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease;
}

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

.nvr-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
    border-color: var(--color-accent-red);
}

.nvr-badge {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: var(--color-primary-dark);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

.nvr-title {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-sm);
}

.nvr-capacity {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-accent-red);
    margin-bottom: var(--spacing-md);
}

.nvr-specs {
    list-style: none;
    padding: 0;
    margin-bottom: var(--spacing-md);
}

.nvr-specs li {
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid #eee;
    color: #666;
}

.nvr-specs li:last-child {
    border-bottom: none;
}

.nvr-usage {
    text-align: center;
    font-size: 0.95rem;
    color: #666;
    font-style: italic;
    margin-top: var(--spacing-md);
    font-weight: 600;
}

.nvr-warranty {
    text-align: center;
    padding: var(--spacing-md);
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.nvr-warranty p {
    font-size: 1rem;
    color: #666;
    margin: 0;
}

.nvr-warranty strong {
    color: var(--color-accent-green);
}

/* ===================================
   FAQ SECTION
   =================================== */
.faq {
    background-color: var(--color-text-light);
    padding: var(--spacing-xl) var(--spacing-md);
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    margin-bottom: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    overflow: hidden;
    border-left: 4px solid transparent;
    transition: var(--transition);
}

.faq-item:hover {
    border-left-color: var(--color-accent-red);
    box-shadow: var(--box-shadow-hover);
}

.faq-item[open] {
    border-left-color: var(--color-accent-red);
    box-shadow: 0 6px 25px rgba(242, 76, 82, 0.15);
}

.faq-question {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-text-dark);
    padding: var(--spacing-md);
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: var(--transition);
}

.faq-question:hover {
    background-color: var(--color-text-light);
}

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--color-accent-red);
    transition: var(--transition);
}

.faq-item[open] .faq-question::after {
    content: '−';
}

.faq-answer {
    padding: 0 var(--spacing-md) var(--spacing-md);
}

.faq-answer p {
    color: #666;
    line-height: 1.8;
}

/* ===================================
   FINAL CTA
   =================================== */
.final-cta {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary-deep) 100%);
    padding: var(--spacing-xl) var(--spacing-md);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.final-cta::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(242, 76, 82, 0.15) 0%, transparent 60%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.final-cta-content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.final-cta-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.final-cta-text {
    font-size: 1.25rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
}

/* ===================================
   FOOTER
   =================================== */
.footer {
    background-color: var(--color-primary-deep);
    padding: var(--spacing-xl) var(--spacing-md) var(--spacing-md);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-column {
    color: var(--color-text-light);
}

.footer-logo {
    max-width: 200px;
    margin-bottom: var(--spacing-md);
}

.footer-tagline {
    font-size: 0.95rem;
    opacity: 0.8;
    line-height: 1.6;
}

.footer-title {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.footer-list {
    list-style: none;
    padding: 0;
}

.footer-list li {
    margin-bottom: var(--spacing-xs);
    opacity: 0.9;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-text-light);
    opacity: 0.7;
}

/* ===================================
   MODAL (Formulaire de Contact)
   =================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: var(--spacing-md);
}

.modal-content {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: modalFadeIn 0.3s ease;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: none;
    border: none;
    font-size: 2rem;
    color: #999;
    cursor: pointer;
    transition: var(--transition);
    line-height: 1;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    color: var(--color-accent-red);
}

.modal-title {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-lg);
}

/* Form Styles */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-xs);
}

.form-group input[type="text"],
.form-group input[type="tel"],
.form-group input[type="email"] {
    width: 100%;
    padding: 0.875rem;
    border: 2px solid #ddd;
    border-radius: var(--border-radius);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus {
    outline: none;
    border-color: var(--color-accent-red);
    box-shadow: 0 0 0 3px rgba(242, 76, 82, 0.1);
}

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

.radio-label {
    display: flex;
    align-items: center;
    padding: 0.75rem;
    border: 2px solid #ddd;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
}

.radio-label:hover {
    border-color: var(--color-accent-red);
    background-color: rgba(242, 76, 82, 0.05);
}

.radio-label input[type="radio"] {
    margin-right: var(--spacing-xs);
    cursor: pointer;
}

.radio-label input[type="radio"]:checked + span {
    font-weight: 600;
}

.form-status {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    text-align: center;
    font-weight: 600;
    display: none;
}

.form-status.success {
    background-color: rgba(76, 175, 80, 0.1);
    color: var(--color-accent-green);
    border: 2px solid var(--color-accent-green);
    display: block;
}

.form-status.error {
    background-color: rgba(242, 76, 82, 0.1);
    color: var(--color-accent-red);
    border: 2px solid var(--color-accent-red);
    display: block;
}

/* ===================================
   MODAL TECHNIQUE (Spécifications Caméras)
   =================================== */
.modal-specs-compact {
    max-width: 800px;
    max-height: 90vh;
    overflow-y: auto;
}

.spec-details-full {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.spec-section {
    background: var(--color-text-light);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
}

.spec-section h4 {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-accent-red);
    padding-bottom: var(--spacing-xs);
}

.spec-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.spec-section li {
    padding: var(--spacing-xs) 0;
    color: #666;
    font-size: 0.95rem;
    line-height: 1.6;
}

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

/* ===================================
   RESPONSIVE DESIGN
   =================================== */

@media (max-width: 768px) {
    /* Typography */
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .section-title-dark,
    .section-title-light {
        font-size: 1.75rem;
    }
    
    .price-highlight {
        font-size: 2.5rem;
    }
    
    /* Sticky Bar */
    .sticky-bar-content {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
    
    .sticky-bar-text {
        font-size: 1rem;
    }
    
    /* About Grid */
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        order: -1;
    }
    
    /* Products Grid */
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    /* Advantages 4K */
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    /* Form */
    .form-row {
        grid-template-columns: 1fr;
    }
    
    /* Modal */
    .modal-content {
        padding: var(--spacing-md);
    }
    
    /* Modal Techniques */
    .spec-details-full {
        grid-template-columns: 1fr;
    }
    
    /* NVR Section */
    .nvr-features {
        grid-template-columns: 1fr;
    }
    
    .nvr-grid {
        grid-template-columns: 1fr;
    }
    
    /* Final CTA */
    .final-cta-title {
        font-size: 1.75rem;
    }
    
    /* Spacing */
    .container {
        padding: 0 var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.5rem;
    }
    
    .btn {
        padding: 0.875rem 1.5rem;
        font-size: 0.875rem;
    }
    
    .btn-large {
        padding: 1rem 1.75rem;
        font-size: 1rem;
    }
}