/* ==========================================
   F.F PRODUCTION - STYLE.CSS
   Technology with Consciousness™ by RVS Production
   ========================================== */

/* RESET & BASE */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors */
    --color-dark: #0a0a0a;
    --color-charcoal: #1a1a1a;
    --color-gold: #d4af37;
    --color-gold-hover: #f0c950;
    --color-white: #ffffff;
    --color-light-grey: #f5f5f5;
    --color-mid-grey: #666666;
    --color-border: rgba(255, 255, 255, 0.1);
    
    /* Typography */
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-accent: 'Playfair Display', Georgia, serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-white);
    background: var(--color-dark);
    overflow-x: hidden;
}

/* TYPOGRAPHY */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-accent);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }

p {
    margin-bottom: var(--spacing-sm);
    max-width: 65ch;
}

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

/* UTILITY CLASSES */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section-padding {
    padding: var(--spacing-xl) 0;
}

.text-center { text-align: center; }
.text-gold { color: var(--color-gold); }

/* BUTTONS */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 2px solid var(--color-gold);
    background: transparent;
    color: var(--color-white);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: var(--transition-smooth);
}

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

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

.btn:hover {
    color: var(--color-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.3);
}

.btn-primary {
    background: var(--color-gold);
    color: var(--color-dark);
}

.btn-primary::before {
    background: var(--color-gold-hover);
}

/* LOADING ANIMATION */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(212, 175, 55, 0.2);
    border-top-color: var(--color-gold);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* SPLIT SCREEN HERO - INDEX PAGE */
.split-hero {
    position: relative;
    width: 100%;
    height: 100vh;
    display: flex;
    overflow: hidden;
}

.split-side {
    position: relative;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    cursor: pointer;
    transition: flex var(--transition-slow);
}

.split-side::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    transition: var(--transition-smooth);
    z-index: 1;
}

.split-side:hover::before {
    background: rgba(0, 0, 0, 0.2);
}

.split-side:hover {
    flex: 1.2;
}

.split-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
    z-index: 0;
}

.split-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: var(--spacing-md);
    transform: translateY(20px);
    opacity: 0;
    animation: fadeInUp 1s ease forwards;
}

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

.split-content h2 {
    font-size: clamp(2rem, 4vw, 3.5rem);
    margin-bottom: var(--spacing-sm);
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.8);
}

.split-content p {
    font-size: clamp(1rem, 2vw, 1.25rem);
    margin-bottom: var(--spacing-md);
    text-shadow: 1px 1px 5px rgba(0, 0, 0, 0.8);
    max-width: 40ch;
    margin-left: auto;
    margin-right: auto;
}

.split-left {
    background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-charcoal) 100%);
}

.split-right {
    background: linear-gradient(135deg, var(--color-charcoal) 0%, #2a2a2a 100%);
}

/* MOBILE SPLIT HERO */
@media (max-width: 768px) {
    .split-hero {
        flex-direction: column;
        height: auto;
    }
    
    .split-side {
        min-height: 50vh;
        flex: none;
    }
    
    .split-side:hover {
        flex: none;
    }
}

/* NAVIGATION */
.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: var(--spacing-sm) 0;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: var(--transition-smooth);
}

.main-nav.scrolled {
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-accent);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-gold);
}

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

.nav-links a {
    padding: 0.5rem 1rem;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--color-gold);
    transition: var(--transition-smooth);
    transform: translateX(-50%);
}

.nav-links a:hover::after {
    width: 80%;
}

/* MOBILE NAV */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 10px;
}

.mobile-menu-btn span {
    width: 25px;
    height: 2px;
    background: var(--color-white);
    transition: var(--transition-fast);
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        height: 100vh;
        width: 70%;
        max-width: 300px;
        background: var(--color-charcoal);
        flex-direction: column;
        padding: var(--spacing-xl) var(--spacing-md);
        transition: var(--transition-smooth);
        box-shadow: -5px 0 20px rgba(0, 0, 0, 0.5);
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .nav-links a {
        padding: var(--spacing-sm);
        border-bottom: 1px solid var(--color-border);
    }
}

/* HERO SECTION - INTERNAL PAGES */
.hero {
    position: relative;
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0,0,0,0.6), rgba(0,0,0,0.3));
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    padding: var(--spacing-md);
}

.hero-content h1 {
    font-size: clamp(3rem, 6vw, 5rem);
    margin-bottom: var(--spacing-md);
    text-shadow: 2px 2px 20px rgba(0, 0, 0, 0.8);
}

.hero-content .tagline {
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
    margin-bottom: var(--spacing-lg);
    color: var(--color-light-grey);
    text-shadow: 1px 1px 10px rgba(0, 0, 0, 0.8);
}

/* SECTIONS */
.section {
    padding: var(--spacing-xl) 0;
}

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

.section-title h2 {
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--color-gold);
}

/* GRID LAYOUTS */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-md);
}

@media (max-width: 768px) {
    .grid-2, .grid-3 {
        grid-template-columns: 1fr;
    }
}

/* CARDS */
.card {
    background: var(--color-charcoal);
    padding: var(--spacing-md);
    border-radius: 8px;
    border: 1px solid var(--color-border);
    transition: var(--transition-smooth);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.2);
    border-color: var(--color-gold);
}

.card h3 {
    color: var(--color-gold);
    margin-bottom: var(--spacing-sm);
}

/* PORTFOLIO GRID */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-sm);
}

.portfolio-item {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/9;
    cursor: pointer;
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.portfolio-item:hover img {
    transform: scale(1.1);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-smooth);
}

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

.portfolio-overlay h4 {
    color: var(--color-white);
    font-size: 1.5rem;
}

/* FOOTER */
.footer {
    background: var(--color-charcoal);
    padding: var(--spacing-lg) 0 var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.footer-section h4 {
    color: var(--color-gold);
    margin-bottom: var(--spacing-sm);
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: var(--spacing-xs);
}

.footer-section a:hover {
    color: var(--color-gold);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
    color: var(--color-mid-grey);
    font-size: 0.9rem;
}

.rvs-credit {
    margin-top: var(--spacing-xs);
}

.rvs-credit a {
    color: var(--color-gold);
    font-weight: 600;
}

.rvs-credit a:hover {
    color: var(--color-gold-hover);
}

/* COOKIE BANNER */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: var(--color-charcoal);
    border-top: 2px solid var(--color-gold);
    padding: var(--spacing-md);
    box-shadow: 0 -5px 20px rgba(0, 0, 0, 0.5);
    z-index: 9998;
    transform: translateY(100%);
    transition: var(--transition-smooth);
}

.cookie-banner.show {
    transform: translateY(0);
}

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
}

.cookie-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .cookie-content {
        flex-direction: column;
        text-align: center;
    }
    
    .cookie-buttons {
        width: 100%;
        flex-direction: column;
    }
    
    .cookie-buttons .btn {
        width: 100%;
    }
}

/* CONTACT FORM */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--color-gold);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 1rem;
    background: var(--color-charcoal);
    border: 1px solid var(--color-border);
    color: var(--color-white);
    font-family: var(--font-main);
    font-size: 1rem;
    border-radius: 4px;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-gold);
    box-shadow: 0 0 0 2px rgba(212, 175, 55, 0.2);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

/* SCROLL ANIMATIONS */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

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

@media (max-width: 768px) {
    :root {
        --spacing-xl: 3rem;
        --spacing-lg: 2rem;
        --spacing-md: 1.5rem;
    }
    
    .section-padding {
        padding: var(--spacing-lg) 0;
    }
}