/* 
 * Streem Medya - High-End Agency Theme 
 * Vibe: Premium, Avant-Garde, Deep Black, Gold/Neon
 */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,700;1,400&family=Syncopate:wght@400;700&family=Inter:wght@300;400;600&display=swap');

:root {
    /* Color Palette */
    --color-bg: #050505;
    /* Deepest black */
    --color-bg-alt: #0a0a0a;
    --color-text: #e0e0e0;
    --color-text-muted: #888;
    --color-accent: #D4AF37;
    /* Sophisticated Gold */
    --color-accent-glow: rgba(212, 175, 55, 0.4);
    --color-neon: #00f0ff;
    /* Subtle cyber accent for avant-garde feel */

    /* Typography */
    --font-heading: 'Syncopate', sans-serif;
    /* Futuristic/Avant-garde */
    --font-serif: 'Playfair Display', serif;
    /* Elegant */
    --font-body: 'Inter', sans-serif;
    /* Clean */

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;

    /* Transitions */
    --transition-smooth: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: all 0.3s ease;
}

/* Reset & Base */
html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-body);
    margin: 0;
    overflow-x: hidden;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    margin: 0;
    font-family: var(--font-heading);
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: #fff;
}

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

img,
video {
    max-width: 100%;
    display: block;
}

/* Utility Classes */
.container {
    width: 90%;
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

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

.text-serif {
    font-family: var(--font-serif);
    font-style: italic;
    letter-spacing: 0;
    text-transform: none;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: var(--spacing-md) 0;
    z-index: 1000;
    transition: var(--transition-smooth);
    background: linear-gradient(to bottom, rgba(5, 5, 5, 0.8), transparent);
}

.navbar.scrolled {
    background: rgba(5, 5, 5, 0.95);
    backdrop-filter: blur(10px);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: 0.2em;
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-link {
    font-family: var(--font-body);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    position: relative;
    opacity: 0.7;
}

.nav-link:hover {
    opacity: 1;
    color: var(--color-accent);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0%;
    height: 1px;
    background-color: var(--color-accent);
    transition: var(--transition-smooth);
}

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

/* Hamburger Menu */
.hamburger {
    display: none;
    width: 30px;
    height: 20px;
    position: relative;
    padding: 0;
    background: none;
    border: none;
}

.hamburger span {
    display: block;
    position: absolute;
    height: 2px;
    width: 100%;
    background: #fff;
    transition: var(--transition-fast);
}

.hamburger span:nth-child(1) {
    top: 0;
}

.hamburger span:nth-child(2) {
    top: 9px;
}

.hamburger span:nth-child(3) {
    top: 18px;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg);
    top: 9px;
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg);
    top: 9px;
}


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

.hero-video-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.6;
    /* Darken for readability */
    z-index: -1;
    filter: contrast(1.1) brightness(0.8);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, transparent 0%, var(--color-bg) 120%);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    mix-blend-mode: normal;
}

.hero-title {
    font-size: clamp(3rem, 10vw, 8rem);
    line-height: 0.9;
    margin-bottom: var(--spacing-sm);
    opacity: 0;
    transform: translateY(50px);
    animation: fadeUp 1s cubic-bezier(0.16, 1, 0.3, 1) forwards 0.5s;
}

.hero-subtitle {
    font-family: var(--font-serif);
    font-size: clamp(1.2rem, 3vw, 2rem);
    font-weight: 300;
    color: var(--color-accent);
    margin-bottom: var(--spacing-lg);
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 1s cubic-bezier(0.16, 1, 0.3, 1) forwards 0.8s;
}

.btn-primary {
    display: inline-block;
    padding: 1rem 3rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-size: 0.8rem;
    transition: var(--transition-smooth);
    background: transparent;
    cursor: pointer;
    opacity: 0;
    animation: fadeIn 1s ease forwards 1.2s;
}

.btn-primary:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-bg);
    box-shadow: 0 0 30px var(--color-accent-glow);
}

/* Scroll indicator */
.scroll-down {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    color: #fff;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    opacity: 0.7;
    animation: bounce 2s infinite;
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateY(0) translateX(-50%);
    }

    40% {
        transform: translateY(-10px) translateX(-50%);
    }

    60% {
        transform: translateY(-5px) translateX(-50%);
    }
}

/* Animations */
@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

/* Content Sections */
section {
    padding: var(--spacing-xl) 0;
}

.section-title {
    font-size: clamp(2rem, 5vw, 4rem);
    margin-bottom: var(--spacing-lg);
    text-align: center;
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 2px;
    background: var(--color-accent);
}

/* Portfolio Teaser (Masonry-ish) */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-sm);
}

.portfolio-item {
    position: relative;
    aspect-ratio: 4/5;
    /* Portrait vibe */
    overflow: hidden;
    cursor: pointer;
    background: #111;
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
    opacity: 0.8;
}

.portfolio-item:hover img {
    transform: scale(1.05);
    opacity: 0.4;
}

.portfolio-info {
    position: absolute;
    bottom: 0;
    left: 0;
    padding: var(--spacing-md);
    transform: translateY(100%);
    transition: var(--transition-smooth);
}

.portfolio-item:hover .portfolio-info {
    transform: translateY(0);
}

.portfolio-title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

/* Footer */
footer {
    padding: var(--spacing-lg) 0;
    border-top: 1px solid #222;
    text-align: center;
    color: var(--color-text-muted);
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        /* Hidden by default, toggled via JS */
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: rgba(5, 5, 5, 0.98);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: var(--spacing-md);
        z-index: 999;
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.4s ease;
    }

    .nav-links.active {
        display: flex;
        opacity: 1;
        pointer-events: all;
    }

    .nav-link {
        font-size: 2rem;
        /* Larger touch targets */
        font-family: var(--font-heading);
    }

    .hamburger {
        display: block;
        cursor: pointer;
        z-index: 1001;
    }

    .hero-title {
        font-size: 3rem;
    }

    :root {
        --spacing-xl: 4rem;
        --spacing-lg: 3rem;
    }
}