/* ========================================
   CSS - SOS Serrure One Page
   Couleur principale: #3ab956
   ======================================== */

:root {
    --color-primary: #3ab956;
    --color-primary-dark: #2e9a47;
    --color-primary-light: #5fcf78;
    --color-dark: #1a1a2e;
    --color-dark-light: #2d2d44;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-white: #ffffff;
    --color-gray-100: #f8f9fa;
    --color-gray-200: #e9ecef;
    --color-gray-300: #dee2e6;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.15);
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-white);
}

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

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

a:hover {
    color: var(--color-primary-dark);
}

ul {
    list-style: none;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 28px;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

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

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.btn-white:hover {
    background-color: var(--color-gray-100);
    color: var(--color-primary-dark);
}

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

.btn-full {
    width: 100%;
}

/* Section Label */
.section-label {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-primary);
    margin-bottom: 12px;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
    padding: 15px 0;
}

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

.logo img {
    height: 30px;
    width: auto;
}

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

.nav-list a {
    color: var(--color-text);
    font-weight: 500;
    font-size: 15px;
}

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

.header-cta {
    padding: 10px 24px;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background-color: var(--color-dark);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    padding: 160px 0 80px;
    background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-dark-light) 100%);
    color: var(--color-white);
}

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

.hero h1 {
    font-size: 54px;
    font-weight: 800;
    margin-bottom: 20px;
}

.hero h1 sup {
    font-size: 24px;
    vertical-align: super;
}

.hero-subtitle {
    font-size: 20px;
    color: rgba(255,255,255,0.8);
    margin-bottom: 32px;
}

.hero-features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.feature {
    display: flex;
    align-items: center;
    gap: 16px;
    background: rgba(255,255,255,0.1);
    padding: 20px;
    border-radius: var(--radius-md);
    backdrop-filter: blur(10px);
}

.feature-icon {
    font-size: 28px;
}

.feature-text strong {
    display: block;
    font-size: 16px;
    margin-bottom: 4px;
}

.feature-text span {
    font-size: 14px;
    color: rgba(255,255,255,0.7);
}

/* About Section */
.about {
    padding: 100px 0;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.about-content h2 {
    font-size: 36px;
    color: var(--color-dark);
    margin-bottom: 20px;
    line-height: 1.3;
}

.about-content p {
    color: var(--color-text-light);
    margin-bottom: 16px;
}

.about-signature {
    font-style: italic;
    color: var(--color-primary);
    font-weight: 500;
}

/* Why Us Section */
.why-us {
    padding: 100px 0;
    background-color: var(--color-gray-100);
    text-align: center;
}

.why-us h2 {
    font-size: 36px;
    color: var(--color-dark);
    margin-bottom: 50px;
}

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

.why-card {
    background: var(--color-white);
    padding: 40px 30px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.why-number {
    display: block;
    font-size: 48px;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 16px;
}

.why-card h3 {
    font-size: 20px;
    color: var(--color-dark);
    margin-bottom: 12px;
}

.why-card p {
    color: var(--color-text-light);
}

/* CTA Banner */
.cta-banner {
    padding: 60px 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    text-align: center;
}

.cta-banner h2 {
    font-size: 28px;
    margin-bottom: 24px;
}

.cta-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.cta-phone {
    font-size: 18px;
}

.cta-phone a {
    color: var(--color-white);
    font-weight: 700;
}

/* Services Section */
.services {
    padding: 100px 0;
    text-align: center;
}

.services h2 {
    font-size: 36px;
    color: var(--color-dark);
    margin-bottom: 50px;
}

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

.service-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

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

.service-image {
    height: 200px;
    overflow: hidden;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.service-card:hover .service-image img {
    transform: scale(1.05);
}

.service-content {
    padding: 30px;
    text-align: left;
}

.service-content h3 {
    font-size: 22px;
    color: var(--color-dark);
    margin-bottom: 16px;
}

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

.service-content li {
    padding: 6px 0;
    padding-left: 20px;
    position: relative;
}

.service-content li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: bold;
}

/* Contact CTA */
.contact-cta {
    padding: 80px 0;
    background-color: var(--color-dark);
    color: var(--color-white);
}

.contact-cta .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 40px;
}

.contact-cta-content {
    max-width: 600px;
}

.contact-cta-content .section-label {
    color: var(--color-primary-light);
}

.contact-cta-content h2 {
    font-size: 32px;
    margin-bottom: 24px;
}

.contact-cta-phone {
    text-align: center;
}

.contact-cta-phone span {
    display: block;
    margin-bottom: 8px;
    color: rgba(255,255,255,0.7);
}

.phone-number {
    display: block;
    font-size: 32px;
    font-weight: 700;
    color: var(--color-primary);
}

/* Quote Form Section */
.quote-form {
    padding: 100px 0;
    background-color: var(--color-gray-100);
    text-align: center;
}

.quote-form h2 {
    font-size: 36px;
    color: var(--color-dark);
    margin-bottom: 16px;
}

.form-intro {
    color: var(--color-text-light);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.devis-form {
    max-width: 700px;
    margin: 0 auto;
    text-align: left;
    background: var(--color-white);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--color-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    font-size: 16px;
    font-family: inherit;
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    transition: var(--transition);
    background-color: var(--color-white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(58, 185, 86, 0.15);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.form-checkbox input {
    width: auto;
    margin-top: 4px;
}

.form-checkbox label {
    font-size: 14px;
    color: var(--color-text-light);
    margin-bottom: 0;
}

.form-message {
    margin-top: 20px;
    padding: 16px;
    border-radius: var(--radius-md);
    display: none;
}

.form-message.success {
    display: block;
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.form-message.error {
    display: block;
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Footer */
.footer {
    padding: 60px 0 30px;
    background-color: var(--color-dark);
    color: var(--color-white);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h4 {
    font-size: 18px;
    margin-bottom: 20px;
    color: var(--color-white);
}

.footer-col p {
    color: rgba(255,255,255,0.7);
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 12px;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col a {
    color: rgba(255,255,255,0.7);
    font-size: 14px;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-bottom p {
    color: rgba(255,255,255,0.5);
    font-size: 14px;
}

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
    z-index: 999;
}

.back-to-top:hover {
    background-color: var(--color-primary-dark);
    color: var(--color-white);
    transform: translateY(-3px);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-features {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .services-grid,
    .why-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--color-white);
        padding: 20px;
        box-shadow: var(--shadow-md);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }
    
    .nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-list {
        flex-direction: column;
        gap: 16px;
    }
    
    .header-cta {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
    
    .hero {
        padding: 120px 0 60px;
    }
    
    .hero h1 {
        font-size: 40px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .hero-features {
        grid-template-columns: 1fr;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-content h2 {
        font-size: 28px;
    }
    
    .why-grid,
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-cta .container {
        flex-direction: column;
        text-align: center;
    }
    
    .contact-cta-content h2 {
        font-size: 24px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .devis-form {
        padding: 30px 20px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 32px;
    }
    
    .cta-banner h2 {
        font-size: 22px;
    }
    
    .phone-number {
        font-size: 24px;
    }
}