/* ===== RESET & VARIABLES ===== */
:root {
    --color-dark: #1a1a1a;
    --color-light: #ffffff;
    --color-gray: #f5f5f5;
    --color-text: #333333;
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --spacing-section: 6rem;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4 {
    font-weight: 400;
    line-height: 1.2;
}

h1 { font-size: clamp(3rem, 8vw, 6rem); }
h2 { font-size: clamp(2rem, 5vw, 3.5rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }

/* ===== HEADER ===== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--color-dark);
    color: var(--color-light);
    z-index: 1000;
    padding: 1rem 2rem;
}

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

.site-logo a {
    color: var(--color-light);
    text-decoration: none;
    font-size: 1.5rem;
    letter-spacing: 2px;
}

.main-navigation ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.main-navigation a {
    color: var(--color-light);
    text-decoration: none;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
}

.main-navigation a:hover {
    opacity: 0.7;
}

/* ===== HERO SECTION ===== */
.hero-section {
    height: 100vh;
    width: 100%;
    position: relative;
    overflow: hidden;
}

.hero-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-content {
    position: absolute;
    bottom: 4rem;
    left: 4rem;
    color: var(--color-light);
    z-index: 10;
}

.hero-content h1 {
    font-size: clamp(2rem, 5vw, 4rem);
    max-width: 800px;
}

/* ===== FEATURED IN SECTION ===== */
.featured-section {
    background: var(--color-gray);
    padding: 2rem 0;
    overflow: hidden;
}

.featured-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-around;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
    padding: 0 2rem;
}

.featured-logo {
    max-height: 40px;
    width: auto;
    opacity: 0.7;
    transition: var(--transition);
}

.featured-logo:hover {
    opacity: 1;
}

/* ===== PROJECT SECTIONS ===== */
.project-section {
    padding: var(--spacing-section) 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.project-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.project-grid.reverse {
    direction: rtl;
}

.project-grid.reverse .project-content {
    direction: ltr;
}

.project-image img {
    width: 100%;
    height: auto;
    display: block;
}

.project-category {
    color: #999;
    font-size: 0.9rem;
    letter-spacing: 2px;
    margin-bottom: 1rem;
}

.project-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 0.5rem;
}

.project-subtitle {
    font-size: 1.5rem;
    color: #666;
    margin-bottom: 1.5rem;
}

.project-description {
    margin-bottom: 2rem;
}

/* ===== ABOUT SECTION ===== */
.about-section {
    padding: var(--spacing-section) 2rem;
    background: var(--color-gray);
}

.about-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.about-title {
    font-size: 0.9rem;
    letter-spacing: 2px;
    color: #666;
    margin-bottom: 1rem;
}

.loading-bar-container {
    margin-top: 2rem;
}

.loading-bar {
    width: 100%;
    height: 2px;
    background: #ddd;
    position: relative;
}

.loading-bar-fill {
    width: 95%;
    height: 100%;
    background: var(--color-dark);
    position: relative;
}

.loading-bar-fill::after {
    content: "95%";
    position: absolute;
    right: 0;
    top: -1.5rem;
    font-size: 0.9rem;
}

/* ===== CONTACT SECTION ===== */
.contact-section {
    padding: var(--spacing-section) 2rem;
}

.contact-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info {
    font-style: normal;
}

.contact-info p {
    margin-bottom: 0.5rem;
}

.contact-cta h2 {
    font-size: clamp(2rem, 4vw, 3.5rem);
    margin-bottom: 2rem;
}

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    background: var(--color-dark);
    color: var(--color-light);
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn:hover {
    background: #333;
}

/* ===== FOOTER ===== */
.site-footer {
    background: var(--color-dark);
    color: var(--color-light);
    padding: 3rem 2rem;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-copyright {
    font-size: 0.9rem;
    opacity: 0.7;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .project-grid,
    .about-container,
    .contact-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .project-grid.reverse {
        direction: ltr;
    }
    
    .hero-content {
        left: 2rem;
        bottom: 2rem;
    }
    
    .main-navigation {
        display: none; /* Add mobile menu toggle */
    }
    
    .featured-container {
        justify-content: center;
    }
}