:root {
    --bg-color: #0A0A0A;
    --accent-color: #E0E0E0;
    --text-color: #F4F7FF;
    --placeholder-bg: #2C2C2C;
    --font-main: 'Outfit', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

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

.no-scroll {
    overflow: hidden;
}

/* Grain Effect */
.grain {
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.04;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

/* Typography */
h1, h2, h3 {
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

a {
    color: var(--text-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
    background: linear-gradient(to bottom, rgba(10,10,10,0.9) 0%, rgba(10,10,10,0) 100%);
}

.brand {
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    transform: translateY(-4px);
}

.nav-links {
    display: flex;
    gap: 3rem;
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 30px;
    height: 20px;
    position: relative;
    z-index: 101;
}

.hamburger span {
    position: absolute;
    width: 100%;
    height: 2px;
    background-color: var(--text-color);
    left: 0;
    transition: all 0.3s ease;
}

.hamburger span:nth-child(1) { top: 0; }
.hamburger span:nth-child(2) { bottom: 0; }

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

.hamburger.active span:nth-child(2) {
    transform: translateY(-9px) rotate(-45deg);
}

.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--bg-color);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    z-index: 99;
    transform: translateY(-100%);
    transition: transform 0.5s cubic-bezier(0.77, 0, 0.175, 1);
}

.mobile-menu.active {
    transform: translateY(0);
}

.mobile-link {
    font-size: 2rem;
    font-weight: 600;
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 1rem;
}

.hero-title {
    font-size: clamp(4rem, 10vw, 10rem);
    line-height: 1;
    margin-bottom: 1rem;
    background: linear-gradient(180deg, #FFFFFF 0%, #888888 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.5rem);
    font-weight: 300;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--accent-color);
}

/* Portfolio Section */
.portfolio {
    padding: 8rem 0;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.video-placeholder {
    aspect-ratio: 16/9;
    background-color: var(--placeholder-bg);
    position: relative;
    overflow: hidden;
    transition: transform 0.5s ease;
}

.video-placeholder::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='1.2' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    opacity: 0.08;
    pointer-events: none;
}

.video-placeholder::after {
    content: 'PLAY';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 0.8rem;
    letter-spacing: 0.2em;
    color: rgba(255, 255, 255, 0.3);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.video-placeholder:hover {
    transform: scale(1.02);
}

.video-placeholder:hover::after {
    opacity: 1;
}

/* Services Section */
.services {
    padding: 8rem 0 12rem;
}

.service-list {
    list-style: none;
    text-align: center;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.service-placeholder {
    width: 80%;
    max-width: 800px;
    height: clamp(3rem, 6vw, 5rem);
    background-color: var(--placeholder-bg);
    margin-bottom: 2rem;
    border-radius: 4px;
    transition: transform 0.3s ease, background-color 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-placeholder::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='1.2' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    opacity: 0.08;
    pointer-events: none;
}

.service-placeholder:hover {
    opacity: 1;
    transform: translateX(20px);
}

/* Footer Section */
.footer {
    padding: 4rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.email-link {
    font-size: 1.2rem;
    font-weight: 300;
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.7;
}

.social-icon:hover {
    opacity: 1;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hamburger {
        display: block;
    }

    .navbar {
        justify-content: space-between;
    }

    /* Collapse branding to aeroflow in lowercase, centered */
    .brand {
        position: absolute;
        left: 50%;
        transform: translate(-50%, -4px);
        text-transform: lowercase;
        font-weight: 400;
        letter-spacing: 0.2em;
    }

    .desktop-only {
        display: none;
    }

    .video-grid {
        grid-template-columns: 1fr;
    }

    .service-list li:hover {
        transform: translateX(10px);
    }
    
    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }
}