/* Variables CSS */
:root {
    --primary-blue: #007bff;
    --light-blue: #e0f2ff;
    --dark-blue: #0056b3;
    --text-color: #333;
    --white: #ffffff;
    --light-gray: #f8f9fa;
    --border-color: #dee2e6;
    --font-family: 'Arial', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
}

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

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

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

a:hover,
a:focus {
    text-decoration: underline;
    outline: none;
}

img, svg {
    max-width: 100%;
    height: auto;
    vertical-align: middle;
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
    color: var(--dark-blue);
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 1rem;
    font-weight: bold;
    text-align: center;
    border-radius: 0.25rem;
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
    cursor: pointer;
    border: 1px solid transparent;
}

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

.primary-btn:hover,
.primary-btn:focus {
    background-color: var(--dark-blue);
    border-color: var(--dark-blue);
    text-decoration: none;
}

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

.secondary-btn:hover,
.secondary-btn:focus {
    background-color: var(--light-blue);
    border-color: var(--dark-blue);
    color: var(--dark-blue);
    text-decoration: none;
}

/* Header */
.site-header {
    background-color: var(--white);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

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

.logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-blue);
    text-decoration: none;
}

.logo svg {
    margin-right: 0.5rem;
    color: var(--primary-blue);
}

.logo:hover,
.logo:focus {
    color: var(--dark-blue);
    text-decoration: none;
}

.logo:hover svg,
.logo:focus svg {
    color: var(--dark-blue);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    z-index: 1001;
}

.menu-toggle .icon-bar {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--primary-blue);
    margin: 5px 0;
    transition: all 0.3s ease;
}

.main-nav ul {
    list-style: none;
    display: flex;
}

.main-nav li {
    margin-left: var(--spacing-md);
}

.main-nav a {
    color: var(--text-color);
    font-weight: bold;
    padding: var(--spacing-xs) 0;
    position: relative;
}

.main-nav a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -3px;
    width: 0;
    height: 2px;
    background-color: var(--primary-blue);
    transition: width 0.3s ease;
}

.main-nav a:hover::after,
.main-nav a:focus::after,
.main-nav a[aria-current="page"]::after {
    width: 100%;
}

.main-nav a[aria-current="page"] {
    color: var(--primary-blue);
}

/* Hero Section */
.hero-section {
    background: linear-gradient(rgba(0, 123, 255, 0.7), rgba(0, 123, 255, 0.7)), url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewBox="0 0 100 100" preserveAspectRatio="none"><defs><linearGradient id="g" x1="0%" y1="0%" x2="100%" y2="100%"><stop offset="0%" stop-color="%23e0f2ff"/><stop offset="100%" stop-color="%23ffffff"/></linearGradient></defs><rect x="0" y="0" width="100" height="100" fill="url(%23g)"/></svg>');
    background-size: cover;
    background-position: center;
    color: var(--white);
    text-align: center;
    padding: var(--spacing-xl) 0;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-section h1 {
    color: var(--white);
    font-size: 3.5rem;
    margin-bottom: var(--spacing-md);
}

.hero-section p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Page Hero (for other pages) */
.page-hero {
    background-color: var(--light-blue);
    color: var(--dark-blue);
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.page-hero h1 {
    color: var(--dark-blue);
    font-size: 3rem;
}

.page-hero p {
    font-size: 1.15rem;
    max-width: 700px;
    margin: var(--spacing-sm) auto 0 auto;
}

/* Sections general */
section {
    padding: var(--spacing-xl) 0;
}

.content-section, .contact-details-section {
    background-color: var(--white);
}

.content-section article,
.contact-details-section article {
    margin-bottom: var(--spacing-lg);
}

.content-section article:last-child,
.contact-details-section article:last-child {
    margin-bottom: 0;
}

/* Services Section */
.services-section {
    background-color: var(--light-gray);
    text-align: center;
}

.services-section h2 {
    margin-bottom: var(--spacing-xl);
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.service-card {
    background-color: var(--white);
    padding: var(--spacing-lg);
    border-radius: 0.5rem;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
    text-align: left;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 15px rgba(0,0,0,0.12);
}

.service-card h3 {
    color: var(--primary-blue);
    margin-bottom: var(--spacing-xs);
    font-size: 1.3rem;
}

.service-card p {
    font-size: 0.95rem;
    margin-bottom: var(--spacing-sm);
}

.service-card .price {
    font-weight: bold;
    color: var(--dark-blue);
    font-size: 1.1rem;
}

/* CTA Section */
.cta-section {
    background-color: var(--primary-blue);
    color: var(--white);
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.cta-section h2 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.cta-section p {
    font-size: 1.15rem;
    margin-bottom: var(--spacing-lg);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Contact Details Section */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.contact-info ul,
.opening-hours ul {
    list-style: none;
}

.contact-info li,
.opening-hours li {
    margin-bottom: var(--spacing-xs);
}

.contact-info strong,
.opening-hours strong {
    color: var(--dark-blue);
}

.contact-form-info {
    background-color: var(--light-blue);
    padding: var(--spacing-lg);
    border-radius: 0.5rem;
    margin-bottom: var(--spacing-xl);
    border: 1px solid var(--primary-blue);
}

.contact-form-info h2 {
    color: var(--primary-blue);
}

.map-placeholder {
    width: 100%;
    height: 300px;
    background: linear-gradient(to bottom right, var(--light-blue), var(--white));
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    margin-top: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-blue);
    font-weight: bold;
    font-size: 1.2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.map-placeholder::before {
    content: 'Emplacement du salon (carte simulée)';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    height: 80%;
    border: 2px dashed var(--primary-blue);
    border-radius: 0.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Footer */
.site-footer {
    background-color: var(--dark-blue);
    color: var(--white);
    padding: var(--spacing-md) 0;
    text-align: center;
    font-size: 0.9rem;
}

.site-footer .container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.site-footer p {
    margin-bottom: var(--spacing-sm);
}

.site-footer nav ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

.site-footer nav li {
    margin: 0 var(--spacing-xs);
}

.site-footer nav a {
    color: var(--white);
    opacity: 0.8;
}

.site-footer nav a:hover,
.site-footer nav a:focus {
    opacity: 1;
    text-decoration: underline;
}

/* Accessibility & Focus States */
*:focus {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}

/* Responsive Design */
@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    .hero-section h1 {
        font-size: 2.5rem;
    }

    .hero-section p {
        font-size: 1rem;
    }

    .page-hero h1 {
        font-size: 2.2rem;
    }

    .site-header .container {
        flex-wrap: wrap;
    }

    .menu-toggle {
        display: block;
    }

    .main-nav {
        flex-basis: 100%;
        height: 0;
        overflow: hidden;
        transition: height 0.3s ease;
    }

    .main-nav.is-open {
        height: auto; /* Will be set by JS for smooth animation */
    }

    .main-nav ul {
        flex-direction: column;
        align-items: center;
        padding: var(--spacing-sm) 0;
        background-color: var(--white);
        border-top: 1px solid var(--border-color);
    }

    .main-nav li {
        margin: var(--spacing-xs) 0;
    }

    .menu-toggle[aria-expanded="true"] .icon-bar:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .menu-toggle[aria-expanded="true"] .icon-bar:nth-child(2) {
        opacity: 0;
    }

    .menu-toggle[aria-expanded="true"] .icon-bar:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

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

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

    .site-footer .container {
        flex-direction: column;
    }

    .site-footer nav ul {
        flex-direction: column;
        margin-top: var(--spacing-sm);
    }

    .site-footer nav li {
        margin: var(--spacing-xs) 0;
    }

    .map-placeholder::before {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .hero-section {
        padding: var(--spacing-lg) 0;
        min-height: 300px;
    }

    .hero-section h1 {
        font-size: 2rem;
    }

    .site-header {
        padding: var(--spacing-xs) 0;
    }

    .logo {
        font-size: 1.2rem;
    }

    .logo svg {
        width: 30px;
        height: 30px;
    }

    .page-hero h1 {
        font-size: 1.8rem;
    }

    .page-hero p {
        font-size: 1rem;
    }

    section {
        padding: var(--spacing-lg) 0;
    }
}