/* ===================================
   DYNAG - Site Vitrine
   Design sobre et élégant
   =================================== */

/* CSS Variables */
:root {
    /* Palette - Tons bleus élégants */
    --color-bg: #0a0e14;
    --color-bg-alt: #111820;
    --color-bg-card: #0d1219;
    --color-text: #e4e8ed;
    --color-text-muted: #7a8a9a;
    --color-accent: #5b9bd5;
    --color-accent-soft: rgba(91, 155, 213, 0.15);
    --color-border: rgba(255, 255, 255, 0.08);
    
    /* Typography */
    --font-display: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'Outfit', -apple-system, sans-serif;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 6rem;
    --space-2xl: 10rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
    font-family: var(--font-body);
    font-weight: 300;
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.7;
    overflow-x: hidden;
}

/* Selection */
::selection {
    background: var(--color-accent);
    color: var(--color-bg);
}

/* ===================================
   NAVIGATION
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-sm) var(--space-md);
    background: rgba(10, 14, 20, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text);
    text-decoration: none;
    letter-spacing: 0.05em;
}

.logo-icon {
    width: 36px;
    height: 36px;
    border-radius: 4px;
    transition: transform var(--transition-medium);
}

.logo:hover .logo-icon {
    transform: rotate(45deg);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--space-md);
}

.nav-links a {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 400;
    letter-spacing: 0.03em;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-accent);
    transition: width var(--transition-medium);
}

.nav-links a:hover {
    color: var(--color-text);
}

.nav-links a:hover::after {
    width: 100%;
}

/* Mobile Nav Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: var(--transition-fast);
}

/* ===================================
   HERO SECTION
   =================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: var(--space-2xl) var(--space-md);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(91, 155, 213, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(91, 155, 213, 0.06) 0%, transparent 40%);
    pointer-events: none;
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-family: var(--font-display);
    font-weight: 400;
    margin-bottom: var(--space-md);
}

.title-line {
    display: block;
    font-size: clamp(3rem, 10vw, 7rem);
    line-height: 1.1;
    letter-spacing: -0.02em;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
}

.title-line.accent {
    color: var(--color-accent);
    font-style: italic;
    animation-delay: 0.2s;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: var(--space-lg);
    opacity: 0;
    animation: fadeInUp 0.8s ease 0.4s forwards;
}

.hero-cta {
    opacity: 0;
    animation: fadeInUp 0.8s ease 0.6s forwards;
}

/* Floating Shapes */
.hero-visual {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.floating-shapes {
    position: absolute;
    inset: 0;
}

.shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.4;
}

.shape-1 {
    width: 400px;
    height: 400px;
    top: 10%;
    right: 5%;
    background: radial-gradient(circle, var(--color-accent-soft) 0%, transparent 70%);
    animation: float 20s ease-in-out infinite;
}

.shape-2 {
    width: 300px;
    height: 300px;
    bottom: 20%;
    left: 10%;
    background: radial-gradient(circle, var(--color-accent-soft) 0%, transparent 70%);
    animation: float 15s ease-in-out infinite reverse;
}

.shape-3 {
    width: 200px;
    height: 200px;
    top: 40%;
    left: 60%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.03) 0%, transparent 70%);
    animation: float 18s ease-in-out infinite;
}

/* ===================================
   BUTTONS
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 0.875rem 2rem;
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    text-decoration: none;
    border-radius: 0;
    transition: all var(--transition-medium);
    cursor: pointer;
}

.btn-primary {
    background: var(--color-accent);
    color: var(--color-bg);
    border: 1px solid var(--color-accent);
}

.btn-primary:hover {
    background: transparent;
    color: var(--color-accent);
}

.btn-outline {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-outline:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.btn-icon {
    width: 14px;
    height: 14px;
    transition: transform var(--transition-fast);
}

.btn:hover .btn-icon {
    transform: translate(3px, -3px);
}

/* ===================================
   SECTIONS
   =================================== */
.section {
    padding: var(--space-2xl) var(--space-md);
    position: relative;
}

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

.section-header {
    margin-bottom: var(--space-xl);
    text-align: center;
}

.section-number {
    display: block;
    font-family: var(--font-display);
    font-size: 0.875rem;
    color: var(--color-accent);
    letter-spacing: 0.1em;
    margin-bottom: var(--space-sm);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 400;
    letter-spacing: -0.01em;
}

.section-divider {
    width: 60px;
    height: 1px;
    background: var(--color-accent);
    margin: var(--space-md) auto 0;
}

.section-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
}

.section-content.reverse {
    direction: rtl;
}

.section-content.reverse > * {
    direction: ltr;
}

.section-text {
    max-width: 500px;
}

.section-intro {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-style: italic;
    line-height: 1.5;
    margin-bottom: var(--space-md);
    color: var(--color-text);
}

.section-description {
    color: var(--color-text-muted);
    margin-bottom: var(--space-md);
    font-size: 0.95rem;
}

.skills-list {
    list-style: none;
    margin-bottom: var(--space-lg);
}

.skills-list li {
    padding: var(--space-xs) 0;
    color: var(--color-text-muted);
    font-size: 0.875rem;
    position: relative;
    padding-left: var(--space-md);
}

.skills-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 1px;
    background: var(--color-accent);
}

/* ===================================
   VISUAL ELEMENTS
   =================================== */
.image-frame {
    position: relative;
}

/* Code Visual - Programmation */
.code-visual {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    overflow: hidden;
}

.code-header {
    display: flex;
    gap: 8px;
    padding: var(--space-sm);
    border-bottom: 1px solid var(--color-border);
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27ca40; }

.code-content {
    padding: var(--space-md);
    font-family: 'Monaco', 'Consolas', monospace;
    font-size: 0.85rem;
    line-height: 1.8;
    overflow-x: auto;
}

.code-content .keyword { color: #c792ea; }
.code-content .variable { color: #82aaff; }
.code-content .string { color: #c3e88d; }

/* Gallery Visual - Photographie */
.gallery-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    grid-template-rows: repeat(3, 120px);
    gap: var(--space-sm);
}

.gallery-item {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-medium);
    overflow: hidden;
    position: relative;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-medium), filter var(--transition-medium);
}

.gallery-item:hover {
    border-color: var(--color-accent);
}

.gallery-item:hover img {
    transform: scale(1.05);
    filter: brightness(1.1);
}

/* Photo portrait - prend toute la hauteur à gauche */
.gallery-item.item-portrait {
    grid-row: span 3;
    grid-column: 1;
}

/* Photos paysage - empilées à droite */
.gallery-item.item-landscape {
    grid-column: 2;
}

.gallery-placeholder {
    width: 50%;
    opacity: 0.3;
}

.gallery-placeholder svg {
    width: 100%;
    height: auto;
    stroke: var(--color-text-muted);
}

/* Reiki Visual */
.reiki-visual {
    aspect-ratio: 1;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.energy-circle {
    position: absolute;
    border-radius: 50%;
    border: 1px solid var(--color-accent);
    opacity: 0.3;
    animation: pulse-ring 3s ease-out infinite;
}

.circle-1 {
    width: 60%;
    height: 60%;
    animation-delay: 0s;
}

.circle-2 {
    width: 75%;
    height: 75%;
    animation-delay: 1s;
}

.circle-3 {
    width: 90%;
    height: 90%;
    animation-delay: 2s;
}

.lotus-icon {
    width: 80px;
    height: 80px;
}

.lotus-icon svg {
    width: 100%;
    height: 100%;
}

.lotus-petal {
    fill: var(--color-accent);
    opacity: 0.6;
}

/* ===================================
   ALTERNATE SECTION BACKGROUNDS
   =================================== */
.section-photographie {
    background: var(--color-bg-alt);
}

.section-reiki {
    background: 
        radial-gradient(ellipse at 50% 100%, rgba(91, 155, 213, 0.06) 0%, transparent 50%);
}

/* ===================================
   CONTACT SECTION
   =================================== */
.section-contact {
    background: var(--color-bg-alt);
    text-align: center;
    padding: var(--space-2xl) var(--space-md);
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
}

.contact-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 400;
    margin-bottom: var(--space-md);
}

.contact-text {
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
    font-size: 1.1rem;
}

.contact-email {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--color-accent);
    text-decoration: none;
    position: relative;
    transition: var(--transition-fast);
}

.contact-email::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 1px;
    background: var(--color-accent);
    transform: scaleX(0);
    transition: transform var(--transition-medium);
}

.contact-email:hover::after {
    transform: scaleX(1);
}

/* ===================================
   FOOTER
   =================================== */
.footer {
    padding: var(--space-lg) var(--space-md);
    border-top: 1px solid var(--color-border);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    text-align: center;
}

.footer-brand .logo {
    font-size: 1.25rem;
    justify-content: center;
}

.footer-brand .logo-icon {
    width: 32px;
    height: 32px;
}

.footer-tagline {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-top: var(--space-xs);
    letter-spacing: 0.1em;
}

.footer-links {
    display: flex;
    gap: var(--space-lg);
}

.footer-links a {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color var(--transition-fast);
}

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

.footer-copyright {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    opacity: 0.6;
}

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

@keyframes float {
    0%, 100% {
        transform: translate(0, 0);
    }
    50% {
        transform: translate(20px, -30px);
    }
}

@keyframes pulse-ring {
    0% {
        transform: scale(0.8);
        opacity: 0.5;
    }
    100% {
        transform: scale(1);
        opacity: 0;
    }
}

/* Scroll Animations */
.section-header,
.section-text,
.section-visual {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.section-header.visible,
.section-text.visible,
.section-visual.visible {
    opacity: 1;
    transform: translateY(0);
}

.section-visual {
    transition-delay: 0.2s;
}

/* ===================================
   RESPONSIVE
   =================================== */
@media (max-width: 968px) {
    .section-content {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .section-content.reverse {
        direction: ltr;
    }
    
    .section-text {
        max-width: 100%;
        text-align: center;
    }
    
    .skills-list {
        display: inline-block;
        text-align: left;
    }
    
    .image-frame::before {
        display: none;
    }
    
    .section-visual {
        max-width: 400px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    :root {
        --space-xl: 4rem;
        --space-2xl: 6rem;
    }
    
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--color-bg);
        border-bottom: 1px solid var(--color-border);
        padding: var(--space-md);
        gap: var(--space-sm);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero {
        min-height: 80vh;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: repeat(2, 150px);
    }
    
    .gallery-item.item-portrait {
        grid-row: span 2;
        grid-column: 1;
    }
    
    .gallery-item.item-landscape {
        grid-column: 2;
    }
    
    .gallery-item.item-landscape:last-child {
        display: none;
    }
}

@media (max-width: 480px) {
    :root {
        --space-md: 1.5rem;
    }
    
    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.8rem;
    }
    
    .code-content {
        font-size: 0.7rem;
    }
}