/* ==========================================================================
   Laura Damase Portfolio - Modern White Theme
   Réalisatrice & Cheffe OPV
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties (Variables)
   -------------------------------------------------------------------------- */
:root {
    /* Colors */
    --color-background: #F5F5F5;
    --color-background-alt: #FAFAFA;
    --color-text-primary: #1A1A1A;
    --color-text-secondary: #4A4A4A;
    --color-accent: #800020; /* Deep Burgundy */
    --color-accent-hover: #5a0016;
    --color-white: #FFFFFF;
    --color-border: rgba(26, 26, 26, 0.1);
    --color-overlay: rgba(26, 26, 26, 0.4);

    /* Typography */
    --font-primary: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-logo: 'Great Vibes', cursive;

    /* Spacing */
    --sidebar-width: 280px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;

    /* Transitions */
    --transition-fast: 0.2s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;

    /* Shadows */
    --shadow-subtle: 0 2px 10px rgba(0, 0, 0, 0.05);
    --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-strong: 0 8px 30px rgba(0, 0, 0, 0.15);
}

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

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

body {
    font-family: var(--font-primary);
    background-color: var(--color-background);
    color: var(--color-text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

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

a:hover {
    color: var(--color-accent);
}

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

ul {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* --------------------------------------------------------------------------
   Sidebar Navigation
   -------------------------------------------------------------------------- */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background-color: var(--color-white);
    border-right: 1px solid var(--color-border);
    z-index: 1000;
    display: flex;
    flex-direction: column;
}

.sidebar-content {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: var(--spacing-xl) var(--spacing-lg);
}

/* Logo Container - Modern Editorial Design */
.logo-container {
    margin-bottom: var(--spacing-xl);
    position: relative;
}

.logo {
    display: flex;
    flex-direction: column;
    gap: 0;
    text-decoration: none;
    position: relative;
}

.logo-first {
    font-family: var(--font-primary);
    font-size: 0.85rem;
    font-weight: 300;
    letter-spacing: 0.35em;
    text-transform: uppercase;
    color: var(--color-text-secondary);
    display: block;
    transition: all var(--transition-normal);
}

.logo-last {
    font-family: var(--font-primary);
    font-size: 2.2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    text-transform: uppercase;
    color: var(--color-text-primary);
    display: block;
    line-height: 1;
    margin-top: -2px;
    position: relative;
    transition: all var(--transition-normal);
}

/* Accent line under last name */
.logo-last::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 40px;
    height: 3px;
    background-color: var(--color-accent);
    transition: width var(--transition-normal);
}

.logo:hover .logo-last::after {
    width: 100%;
}

.logo:hover .logo-first {
    color: var(--color-accent);
    letter-spacing: 0.4em;
}

.logo:hover .logo-last {
    color: var(--color-accent);
}

.subtitle {
    font-size: 0.6rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    color: var(--color-text-secondary);
    margin-top: var(--spacing-md);
    text-transform: uppercase;
    position: relative;
    padding-left: 0;
}

.subtitle::before {
    content: '';
    display: inline-block;
    width: 12px;
    height: 1px;
    background-color: var(--color-accent);
    margin-right: 8px;
    vertical-align: middle;
}

/* Navigation Links */
.nav-links {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.nav-link {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    color: var(--color-text-primary);
    padding: var(--spacing-xs) 0;
    position: relative;
    transition: all var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width var(--transition-normal);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 30px;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-accent);
}

/* Social Icons */
.social-icons {
    display: flex;
    gap: var(--spacing-md);
    margin-top: auto;
    padding-top: var(--spacing-lg);
}

.social-link {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.social-link:hover {
    color: var(--color-accent);
    transform: translateY(-2px);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 30px;
    height: 24px;
    z-index: 1001;
}

.hamburger {
    position: relative;
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-text-primary);
    transition: all var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--color-text-primary);
    transition: all var(--transition-fast);
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    bottom: -8px;
}

/* Hamburger Active State */
.menu-toggle.active .hamburger {
    background-color: transparent;
}

.menu-toggle.active .hamburger::before {
    transform: rotate(45deg);
    top: 0;
}

.menu-toggle.active .hamburger::after {
    transform: rotate(-45deg);
    bottom: 0;
}

/* --------------------------------------------------------------------------
   Main Content Area
   -------------------------------------------------------------------------- */
.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* --------------------------------------------------------------------------
   Portfolio Grid
   -------------------------------------------------------------------------- */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    flex: 1;
}

.portfolio-item {
    position: relative;
    overflow: hidden;
    aspect-ratio: 3 / 2;
    background-color: var(--color-background-alt);
}

.portfolio-link {
    display: block;
    width: 100%;
    height: 100%;
    position: relative;
}

.thumbnail-container {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.thumbnail {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        to bottom,
        transparent 0%,
        transparent 50%,
        rgba(0, 0, 0, 0.7) 100%
    );
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.project-title {
    position: absolute;
    bottom: var(--spacing-lg);
    left: var(--spacing-md);
    right: var(--spacing-md);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    color: var(--color-white);
    text-transform: uppercase;
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--transition-normal);
    z-index: 2;
}

.project-category {
    position: absolute;
    bottom: calc(var(--spacing-lg) + 1.5rem);
    left: var(--spacing-md);
    right: var(--spacing-md);
    font-size: 0.65rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    color: rgba(255, 255, 255, 0.8);
    text-transform: uppercase;
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--transition-normal);
    transition-delay: 0.05s;
    z-index: 2;
}

/* Portfolio Item Hover Effects */
.portfolio-item:hover .thumbnail {
    transform: scale(1.08);
}

.portfolio-item:hover .overlay {
    opacity: 1;
}

.portfolio-item:hover .project-title,
.portfolio-item:hover .project-category {
    opacity: 1;
    transform: translateY(0);
}

/* Accent Border on Hover */
.portfolio-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border: 3px solid var(--color-accent);
    opacity: 0;
    transition: opacity var(--transition-fast);
    pointer-events: none;
    z-index: 3;
}

.portfolio-item:hover::after {
    opacity: 1;
}

/* Portfolio Item Hidden State (for filtering) */
.portfolio-item.hidden {
    display: none;
}

/* --------------------------------------------------------------------------
    About Page
    -------------------------------------------------------------------------- */
.about-section {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    background-color: var(--color-background);
}

.about-container {
    display: flex;
    gap: var(--spacing-xl);
    max-width: 1000px;
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-medium);
}

.about-image {
    flex: 0 0 300px;
}

.portrait-image {
    width: 100%;
    height: auto;
    object-fit: cover;
}

.about-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.about-title {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
}

.about-text {
    font-size: 0.95rem;
    font-weight: 400;
    line-height: 1.8;
    color: var(--color-text-secondary);
}

@media (max-width: 768px) {
    .about-section {
        padding: var(--spacing-md);
    }

    .about-container {
        flex-direction: column;
        padding: var(--spacing-lg);
    }

    .about-image {
        flex: none;
        max-width: 200px;
        margin: 0 auto;
    }
}

/* --------------------------------------------------------------------------
    Footer
    -------------------------------------------------------------------------- */
.footer {
    background-color: var(--color-white);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-md) var(--spacing-xl);
    text-align: center;
}

.footer-content {
    max-width: 800px;
    margin: 0 auto;
}

.copyright {
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.copyright .accent {
    color: var(--color-accent);
}

/* --------------------------------------------------------------------------
   Responsive Design
   -------------------------------------------------------------------------- */

/* Tablet Landscape */
@media (max-width: 1200px) {
    :root {
        --sidebar-width: 240px;
    }

    .logo-last {
        font-size: 1.9rem;
    }

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

/* Tablet Portrait */
@media (max-width: 992px) {
    :root {
        --sidebar-width: 220px;
    }

    .logo-first {
        font-size: 0.75rem;
    }

    .logo-last {
        font-size: 1.7rem;
    }

    .subtitle {
        font-size: 0.55rem;
    }

    .nav-link {
        font-size: 0.7rem;
    }
}

/* Mobile Landscape / Small Tablet */
@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        height: auto;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        border-right: none;
        border-bottom: 1px solid var(--color-border);
        z-index: 1000;
    }

    .sidebar-content {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        padding: var(--spacing-sm) var(--spacing-md);
        flex-wrap: wrap;
    }

    .logo-container {
        margin-bottom: 0;
    }

    .logo {
        flex-direction: row;
        align-items: baseline;
        gap: 0.5rem;
    }

    .logo-first {
        font-size: 0.65rem;
        letter-spacing: 0.2em;
    }

    .logo-last {
        font-size: 1.4rem;
    }

    .logo-last::after {
        display: none;
    }

    .subtitle {
        display: none;
        margin-top: 0.2rem;
    }

    .menu-toggle {
        display: block;
        position: static;
        order: 2;
    }

    .nav-links {
        display: none;
        width: 100%;
        order: 3;
        padding-top: var(--spacing-md);
        padding-bottom: var(--spacing-sm);
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .nav-links.active {
        display: flex;
    }

    .social-icons {
        display: none;
        width: 100%;
        order: 4;
        justify-content: center;
        padding-top: var(--spacing-sm);
        margin-top: 0;
    }

    .nav-links.active + .social-icons,
    .social-icons.active {
        display: flex;
    }

    .main-content {
        margin-left: 0;
        margin-top: 80px;
    }

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

    .project-title {
        font-size: 0.75rem;
    }

    .project-category {
        font-size: 0.6rem;
    }
}

/* Mobile Portrait */
@media (max-width: 576px) {
    .main-content {
        margin-top: 70px;
    }

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

    .portfolio-item {
        aspect-ratio: 16 / 10;
    }

    .logo-first {
        font-size: 0.6rem;
    }

    .logo-last {
        font-size: 1.2rem;
    }

    .project-title {
        font-size: 0.8rem;
        bottom: var(--spacing-md);
        left: var(--spacing-sm);
        right: var(--spacing-sm);
    }

    .project-category {
        font-size: 0.6rem;
        bottom: calc(var(--spacing-md) + 1.3rem);
        left: var(--spacing-sm);
        right: var(--spacing-sm);
    }

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

    .copyright {
        font-size: 0.65rem;
    }
}

/* --------------------------------------------------------------------------
    Video Background (Landing Page)
    -------------------------------------------------------------------------- */
.video-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
    transition: opacity 0.6s ease-in-out;
}

.video-background video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
    will-change: opacity;
}

.video-background video.active {
    opacity: 1;
}

.landing-content {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding-top: 2cm;
    min-height: 100vh;
    background-color: rgba(0, 0, 0, 0.3);
}

.landing-content .logo-first,
.landing-content .logo-last {
    color: var(--color-white);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
    font-size: 1rem;
}

.landing-content .logo-last {
    font-size: 2.8rem;
}

.landing-content .logo-last::after {
    background-color: var(--color-accent);
}

.landing-content .subtitle {
    color: #ffffff;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
    font-size: 0.7rem;
}

.landing-content .subtitle::before {
    background-color: var(--color-accent);
}

/* Focus States */
a:focus,
button:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}

/* Print Styles */
@media print {
    .sidebar {
        display: none;
    }

    .main-content {
        margin-left: 0;
    }

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

    .portfolio-item::after,
    .overlay {
        display: none;
    }

    .project-title,
    .project-category {
        opacity: 1;
        transform: none;
        color: var(--color-text-primary);
        position: static;
        margin-top: var(--spacing-xs);
    }
}

/* --------------------------------------------------------------------------
   Loading Animation
   -------------------------------------------------------------------------- */
.portfolio-item {
    animation: fadeInUp 0.6s ease-out backwards;
}

.portfolio-item:nth-child(1) { animation-delay: 0.1s; }
.portfolio-item:nth-child(2) { animation-delay: 0.15s; }
.portfolio-item:nth-child(3) { animation-delay: 0.2s; }
.portfolio-item:nth-child(4) { animation-delay: 0.25s; }
.portfolio-item:nth-child(5) { animation-delay: 0.3s; }
.portfolio-item:nth-child(6) { animation-delay: 0.35s; }
.portfolio-item:nth-child(7) { animation-delay: 0.4s; }
.portfolio-item:nth-child(8) { animation-delay: 0.45s; }
.portfolio-item:nth-child(9) { animation-delay: 0.5s; }

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --------------------------------------------------------------------------
   Video Modal
   -------------------------------------------------------------------------- */
.video-modal {
    display: flex;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    z-index: 9999;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.video-modal.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.video-modal-content {
    position: relative;
    width: 90%;
    max-width: 1000px;
    aspect-ratio: 16 / 9;
    background: #000;
    box-shadow: var(--shadow-strong);
}

.video-modal-player {
    width: 100%;
    height: 100%;
}

.video-modal-player iframe {
    width: 100%;
    height: 100%;
    border: none;
}

.video-modal-close {
    position: absolute;
    top: -40px;
    right: 0;
    background: none;
    border: none;
    color: #fff;
    font-size: 2rem;
    cursor: pointer;
    padding: 0.5rem;
    line-height: 1;
    transition: color 0.2s;
}

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

@media (max-width: 768px) {
    .video-modal-content {
        width: 95%;
    }
}