/* ==========================================================================
   Variables & Reset
   ========================================================================== */
:root {
    --primary-blue: #0077be;
    --primary-blue-dark: #005a91;
    --bg-sand: #F5F1E7;
    --bg-offwhite: #FAFAFA;
    --text-dark: #2C3E50;
    --text-light: #6C7A89;
    --white: #FFFFFF;
    
    --font-serif: 'Playfair Display', serif;
    --font-sans: 'Montserrat', sans-serif;
    
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--bg-offwhite);
    overflow-x: hidden;
}

/* ==========================================================================
   Typography & Utilities
   ========================================================================== */
h1, h2, h3, h4 {
    font-family: var(--font-serif);
    font-weight: 600;
    color: var(--text-dark);
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary-blue);
}

.text-center { text-align: center; }
.bg-sand { background-color: var(--bg-sand); }
.bg-offwhite { background-color: var(--bg-offwhite); }
.mx-auto { margin-left: auto; margin-right: auto; }
.max-w-text { max-width: 600px; }
.subtitle { font-family: var(--font-serif); font-style: italic; color: var(--text-light); margin-bottom: 3rem; }

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 5rem 0;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    font-family: var(--font-sans);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-decoration: none;
    border-radius: 4px;
    transition: var(--transition);
    cursor: pointer;
}

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

.btn-primary:hover {
    background-color: var(--primary-blue-dark);
    border-color: var(--primary-blue-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 119, 190, 0.3);
}

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

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

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(250, 250, 250, 0.95);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: var(--transition);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
}

.logo {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    text-decoration: none;
    color: var(--primary-blue);
    font-weight: 600;
}

.logo span {
    font-weight: 400;
    font-style: italic;
    color: var(--text-dark);
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color 0.3s;
}

.nav-link:hover {
    color: var(--primary-blue);
}

.nav-btn {
    border: 1px solid var(--primary-blue);
    padding: 0.5rem 1.2rem;
    border-radius: 4px;
    color: var(--primary-blue);
}

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

.burger-menu {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.burger-menu .bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    background-color: var(--text-dark);
    transition: var(--transition);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    height: 100vh;
    background-size: cover;
    background-position: center;
    background-attachment: fixed; /* Parallax effect */
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    text-align: center;
    padding-top: 60px;
}

.hero-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(to bottom, rgba(0,0,0,0.3) 0%, rgba(0,0,0,0.6) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    color: var(--white);
    max-width: 800px;
    padding: 0 1.5rem;
}

.hero h1 {
    font-size: 3.5rem;
    color: var(--white);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero h1 span {
    font-style: italic;
    font-weight: 400;
    font-size: 2.8rem;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    font-weight: 300;
    letter-spacing: 1px;
}

/* ==========================================================================
   Images & Captions (Globaux)
   ========================================================================== */
.image-caption {
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-light);
    font-style: italic;
    margin-top: 0.8rem;
}

.photo-desc {
    font-size: 0.9rem;
    color: var(--primary-blue);
    font-weight: 500;
    font-style: italic;
    margin-bottom: 1.5rem;
    text-align: center;
}

/* ==========================================================================
   Concept Section
   ========================================================================== */
.concept-section .container {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.lead-text {
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.concept-img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

/* ==========================================================================
   Carte (Menu) Section
   ========================================================================== */
.menu-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

.menu-category h3 {
    font-size: 1.8rem;
    border-bottom: 2px solid var(--primary-blue);
    padding-bottom: 0.5rem;
    margin-bottom: 1.5rem;
    display: inline-block;
}

.menu-photo {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 1rem;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.menu-photo:hover {
    transform: scale(1.02);
}

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

.menu-list li {
    margin-bottom: 1.5rem;
}

.menu-item-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 0.3rem;
}

.menu-item-name {
    font-family: var(--font-serif);
    font-weight: 600;
    font-size: 1.2rem;
}

.menu-item-price {
    font-weight: 500;
    color: var(--primary-blue);
}

.menu-item-desc {
    font-size: 0.9rem;
    color: var(--text-light);
    font-style: italic;
}

/* ==========================================================================
   Visual Break (Parallax effect)
   ========================================================================== */
.visual-break {
    height: 40vh;
    min-height: 300px;
    background-image: url('../images/terrasse-soiree.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.visual-break::after {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.2);
}

.visual-break h3 {
    position: relative;
    z-index: 1;
    color: var(--white);
    font-size: 2rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
    text-align: center;
    padding: 0 1rem;
}

/* ==========================================================================
   Airbnb Section
   ========================================================================== */
.airbnb-layout {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    align-items: center;
}

.airbnb-photo {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    background-color: var(--text-dark);
    color: var(--white);
    padding: 4rem 0 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
    text-align: center;
}

.footer h4 {
    color: var(--bg-sand);
    margin-bottom: 1rem;
    font-size: 1.2rem;
    letter-spacing: 1px;
}

.tel-link {
    display: inline-block;
    color: var(--white);
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: 600;
    padding: 0.5rem 1rem;
    border: 1px solid var(--bg-sand);
    border-radius: 4px;
    transition: var(--transition);
}

.tel-link:hover {
    background-color: var(--bg-sand);
    color: var(--text-dark);
}

.social-links-container {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
}

.social-link {
    color: var(--bg-sand);
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.social-link:hover {
    color: var(--primary-blue);
    transform: scale(1.1);
}

.footer-bottom {
    background-color: #1a252f;
    text-align: center;
    padding: 1.5rem;
    font-size: 0.8rem;
    color: var(--text-light);
}

/* ==========================================================================
   Animations (Reveal on scroll)
   ========================================================================== */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   Media Queries (Responsive)
   ========================================================================== */
@media (max-width: 768px) {
    .burger-menu {
        display: block;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        height: 100vh;
        width: 100%;
        background-color: var(--bg-sand);
        flex-direction: column;
        justify-content: center;
        transition: right 0.4s ease;
    }

    .nav-links.nav-active {
        right: 0;
    }

    .nav-link {
        font-size: 1.5rem;
    }

    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero h1 span {
        font-size: 2rem;
    }

    /* Burger Animation */
    .burger-menu.toggle .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    .burger-menu.toggle .bar:nth-child(2) {
        opacity: 0;
    }
    .burger-menu.toggle .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
}

@media (min-width: 769px) {
    .concept-section .container {
        flex-direction: row;
        align-items: center;
    }
    
    .concept-content {
        flex: 1;
        padding-right: 3rem;
    }

    .concept-image-wrapper {
        flex: 1;
    }

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

    .airbnb-layout {
        flex-direction: row;
        text-align: left;
    }

    .airbnb-content, .airbnb-image-wrapper {
        flex: 1;
    }

    .footer-grid {
        grid-template-columns: repeat(4, 1fr);
        text-align: left;
    }

    .social-links-container {
        justify-content: flex-start;
    }
}