/* public.css - modules/public/static/css/public.css */
/* Styles principaux du site public pianiste - Theme noir et or */

/* Variables CSS */
:root {
    --primary-gold: #e1b657;
    --gold-gradient: linear-gradient(135deg, #e1b657 0%, #f2d88d 100%);
    --dark-bg: #0a0a0a;
    --light-bg: #f8f9fa;
    --text-light: #ffffff;
    --text-dark: #1a1a1a;
    --glass-bg: rgba(0, 0, 0, 0.4);
    --glass-border: rgba(255, 255, 255, 0.1);
    --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.3);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --menu-overlay: rgba(0, 0, 0, 0.8);
}

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

html, body {
    height: 100%;
    font-family: Arial, sans-serif;
    overflow-x: hidden;
    background: var(--dark-bg);
    color: var(--text-light);
}

/* Loading overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--dark-bg);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
    transition: opacity 0.5s ease-out;
}

.loading-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.loader {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(225, 182, 87, 0.3);
    border-top: 3px solid var(--primary-gold);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Header Desktop */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition);
}

.desktop-header {
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    display: block;
    width: 100%;
    padding: 8px 0;
    position: relative;
    overflow: hidden;
}

.desktop-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 85%;
    height: 2px;
    background: var(--gold-gradient);
    border-radius: 1px;
    transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    box-shadow: 0 2px 8px rgba(225, 182, 87, 0.4);
}

.desktop-header.show-line::after {
    transform: translateX(-50%) scaleX(1);
    animation: goldenGlow 3s ease-in-out infinite alternate;
}

@keyframes goldenGlow {
    0% { box-shadow: 0 2px 8px rgba(225, 182, 87, 0.4); }
    50% { box-shadow: 0 2px 15px rgba(225, 182, 87, 0.6), 0 0 20px rgba(225, 182, 87, 0.3); }
    100% { box-shadow: 0 2px 8px rgba(225, 182, 87, 0.4); }
}

.desktop-header nav {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.desktop-header .menu {
    list-style: none;
    display: flex;
    gap: 0;
    padding: 0;
}

.desktop-header .menu li {
    position: relative;
}

.desktop-header .menu a {
    color: var(--text-light);
    text-decoration: none;
    font-family: Arial, sans-serif;
    font-size: 15px;
    font-weight: 500;
    padding: 12px 24px;
    transition: var(--transition);
    position: relative;
    display: block;
    letter-spacing: 0.3px;
}

.desktop-header .menu a::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--primary-gold);
    transform: scaleX(0);
    transform-origin: right;
    transition: var(--transition);
    z-index: -1;
}

.desktop-header .menu a:hover::before,
.desktop-header .menu a.active::before {
    transform: scaleX(1);
    transform-origin: left;
}

.desktop-header .menu a:hover,
.desktop-header .menu a.active {
    color: var(--dark-bg);
}

/* Header Mobile */
.mobile-header {
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition);
    overflow: hidden;
}

.mobile-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 85%;
    height: 2px;
    background: var(--gold-gradient);
    border-radius: 1px;
    transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    box-shadow: 0 2px 8px rgba(225, 182, 87, 0.4);
}

.mobile-header.show-line::after {
    transform: translateX(-50%) scaleX(1);
    animation: goldenGlow 3s ease-in-out infinite alternate;
}

.mobile-header nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 20px;
}

.mobile-header .logo h1 {
    color: var(--primary-gold);
    font-family: 'Lora', serif;
    font-size: 20px;
    font-weight: 600;
    letter-spacing: -0.5px;
}

.mobile-header .logo a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

.mobile-header .logo a:hover {
    color: #f2d88d;
}

/* Hamburger button */
.hamburger-btn {
    position: relative;
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1005;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: var(--transition);
    -webkit-tap-highlight-color: transparent;
}

.hamburger-btn:hover {
    transform: scale(1.1);
}

.hamburger-line {
    width: 24px;
    height: 2px;
    background: var(--primary-gold);
    border-radius: 2px;
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    transform-origin: center;
}

.hamburger-line:nth-child(1) { margin-bottom: 5px; }
.hamburger-line:nth-child(2) { margin-bottom: 5px; }

.hamburger-btn.active .hamburger-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.hamburger-btn.active .hamburger-line:nth-child(2) {
    opacity: 0;
    transform: scale(0);
}

.hamburger-btn.active .hamburger-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Menu overlay */
.menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--menu-overlay);
    backdrop-filter: blur(5px);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 998;
}

.menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Mobile menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 400px;
    height: 100vh;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.95), rgba(26, 26, 26, 0.95));
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-left: 1px solid var(--glass-border);
    z-index: 999;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    display: flex;
    flex-direction: column;
    padding-top: 80px;
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-list {
    list-style: none;
    padding: 2rem 0 1rem 0;
    flex: 1;
    overflow-y: auto;
}

.mobile-menu-item {
    margin: 0;
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.4s ease;
}

.mobile-menu.active .mobile-menu-item {
    opacity: 1;
    transform: translateX(0);
}

.mobile-menu-item:nth-child(1) { transition-delay: 0.1s; }
.mobile-menu-item:nth-child(2) { transition-delay: 0.15s; }
.mobile-menu-item:nth-child(3) { transition-delay: 0.2s; }
.mobile-menu-item:nth-child(4) { transition-delay: 0.25s; }
.mobile-menu-item:nth-child(5) { transition-delay: 0.3s; }

.mobile-menu-link {
    display: flex;
    align-items: center;
    padding: 1rem 2rem;
    color: var(--text-light);
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 500;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
}

.mobile-menu-link:hover,
.mobile-menu-link.active {
    color: var(--primary-gold);
    background: rgba(225, 182, 87, 0.1);
    border-left-color: var(--primary-gold);
    transform: translateX(5px);
}

.mobile-menu-link i {
    margin-right: 0.75rem;
    font-size: 1rem;
    width: 20px;
    text-align: center;
}

/* Mobile menu footer */
.mobile-menu-footer {
    padding: 1.5rem 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.mobile-social-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.mobile-social-link {
    color: var(--primary-gold);
    font-size: 1.5rem;
    transition: var(--transition);
    padding: 0.5rem;
    border-radius: 50%;
    background: rgba(225, 182, 87, 0.1);
}

.mobile-social-link:hover {
    color: #f2d88d;
    background: rgba(225, 182, 87, 0.2);
    transform: translateY(-2px);
}

.mobile-menu-copyright {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.8rem;
}

/* Footer social media */
footer.social-media-footer {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 999;
    display: flex;
    gap: 15px;
}

.social-media a {
    color: var(--primary-gold);
    font-size: 24px;
    text-decoration: none;
    transition: var(--transition);
    opacity: 0.8;
    display: inline-block;
}

.social-media a:hover {
    color: #f2d88d;
    transform: translateY(-3px) scale(1.1);
    opacity: 1;
}

/* Footer copyright */
footer.copyright-footer {
    position: fixed;
    bottom: 0;
    width: 100%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.6), transparent);
    color: rgba(255, 255, 255, 0.95);
    text-align: center;
    padding: 15px 0;
    font-size: 12px;
    font-weight: 500;
    z-index: 998;
    backdrop-filter: blur(5px);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(60px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Body states */
body.menu-open {
    overflow: hidden;
}

/* Responsive */
@media (max-width: 980px) {
    .desktop-header {
        display: none;
    }
    
    .mobile-header {
        display: block;
    }
    
    footer.social-media-footer {
        bottom: 15px;
        right: 15px;
        gap: 12px;
    }
    
    .social-media a {
        font-size: 20px;
    }
    
    footer.copyright-footer {
        font-size: 11px;
        padding: 12px 0;
    }
}

@media (max-width: 600px) {
    .mobile-header nav {
        padding: 12px 15px;
    }
    
    .mobile-header .logo h1 {
        font-size: 18px;
    }
    
    .mobile-menu {
        max-width: 100%;
        padding-top: 70px;
    }
    
    .mobile-menu-link {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }
    
    footer.social-media-footer {
        bottom: 12px;
        right: 12px;
        gap: 10px;
    }
    
    .social-media a {
        font-size: 18px;
    }
}

@media (min-width: 981px) {
    .desktop-header {
        display: block;
    }
    
    .mobile-header {
        display: none;
    }
}

/* Header scroll effect */
.header-scrolled {
    background: rgba(0, 0, 0, 0.95) !important;
}