/* ===================================
   RAYANE VUILLEMIN - GENERAL STYLES
   =================================== */

/* CSS Variables */
:root {
    --color-primary: #0a0a0a;
    --color-secondary: #4a4a4a;
    --color-accent: #8b7355;
    --color-background: #e0e0e0;
    --color-card: #f5f5f5;
    --color-white: #ffffff;
    --font-serif: 'Cormorant Garamond', serif;
    --font-sans: 'Work Sans', sans-serif;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --transition-fast: 0.3s ease;
    --transition-medium: 0.4s ease;
    --transition-slow: 0.6s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: #1a1a1a;
    color: #e0e0e0;
    line-height: 1.6;
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 300;
    line-height: 1.2;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    letter-spacing: -0.01em;
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
    font-size: 1rem;
    color: var(--color-secondary);
    line-height: 1.8;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--spacing-md) 3rem var(--spacing-md) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #1a1a1a;
    border-bottom: none;
    transition: transform var(--transition-medium);
}

nav.hidden {
    transform: translateY(-100%);
}

.logo {
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: #e0e0e0;
    transition: opacity var(--transition-fast);
}

.logo:hover {
    opacity: 0.6;
}

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

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: #9a9a9a;
    position: relative;
    transition: color var(--transition-fast), font-weight var(--transition-fast);
}

.nav-links a.active,
.nav-links a:hover {
    color: #e0e0e0;
    font-weight: 600;
}

.nav-links a::after {
    display: none;
}

/* Instagram Icon */
.instagram-link {
    display: inline-flex;
    align-items: center;
}

.instagram-link svg {
    width: 16px;
    height: 16px;
    vertical-align: middle;
    position: relative;
    top: 2px;
    transition: opacity var(--transition-fast);
}

.instagram-link:hover svg {
    opacity: 0.6;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.9rem 2.5rem;
    border: 1px solid var(--color-primary);
    background: transparent;
    color: var(--color-primary);
    font-size: 0.9rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--color-primary);
    transition: left var(--transition-medium);
    z-index: -1;
}

.btn:hover::before {
    left: 0;
}

.btn:hover {
    color: var(--color-white);
}

.btn-small {
    padding: 0.6rem 1.5rem;
    font-size: 0.8rem;
}

.btn-light {
    border-color: var(--color-white);
    color: var(--color-white);
}

.btn-light::before {
    background: var(--color-white);
}

.btn-light:hover {
    color: var(--color-primary);
}

/* Cards */
.card {
    background: var(--color-white);
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* Section Styles */
.section {
    padding: var(--spacing-xl) var(--spacing-lg);
}

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

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Footer */
footer {
    padding: var(--spacing-lg);
    text-align: center;
    border-top: 1px solid #d0d0d0;
    background: var(--color-background);
}

footer p {
    font-size: 0.9rem;
    color: var(--color-secondary);
    font-weight: 300;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.social-links a {
    color: var(--color-secondary);
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

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

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

/* Responsive Design */
@media (max-width: 1024px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-md: 1.5rem;
        --spacing-lg: 2rem;
        --spacing-xl: 3rem;
    }

    nav {
        padding: var(--spacing-md) var(--spacing-sm);
    }

    .nav-links {
        gap: var(--spacing-sm);
    }

    .nav-links a {
        font-size: 0.8rem;
    }

    .container {
        padding: 0 var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .nav-links a {
        font-size: 0.75rem;
    }
}