/* --- style.css (V4: PARALLAX + MOBILE NAV + FIXED IMAGES) --- */
:root {
    --bg-color: #f4f4f4;
    --text-color: #111111;
    --accent-color: #ff3333;
    --border-color: #111111;
    --font-main: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    --easing: cubic-bezier(0.19, 1, 0.22, 1);
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.2;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    position: relative;
}

/* --- GRAIN OVERLAY --- */
body::before {
    content: "";
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background-image: url("https://grainy-gradients.vercel.app/noise.svg");
    opacity: 0.05; pointer-events: none; z-index: 9999;
}

a { text-decoration: none; color: inherit; cursor: pointer; transition: color 0.3s; }
a:hover { color: var(--accent-color); }
ul { list-style: none; }
img { width: 100%; display: block; filter: grayscale(100%); transition: filter 0.5s; }
img:hover { filter: grayscale(0%); }

/* --- TYPOGRAPHY --- */
.display-text {
    font-size: clamp(3rem, 11vw, 12rem);
    font-weight: 900;
    line-height: 0.85;
    text-transform: uppercase;
    letter-spacing: -0.04em;
    word-spacing: 0.1em;
    position: relative;
    z-index: 2;
    color: var(--text-color);
}

.heading-lg {
    font-size: clamp(2rem, 5vw, 4rem);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: -0.02em;
}

.mono-label {
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: block;
    margin-bottom: 1rem;
    color: #555;
    font-weight: 700;
}

/* --- NAVIGATION --- */
header {
    position: fixed;
    top: 0; left: 0; width: 100%;
    z-index: 1000;
    padding: 2rem;
    background: rgba(244, 244, 244, 0.85);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    display: flex; justify-content: space-between; align-items: flex-start;
}

.nav-desktop { display: flex; flex-direction: column; align-items: flex-end; gap: 0.5rem; }

.nav-link {
    font-weight: 700; text-transform: uppercase; font-size: 0.9rem;
    position: relative; padding-bottom: 2px; color: #000;
}
.nav-link::after {
    content: ''; position: absolute; bottom: 0; right: 0;
    width: 0%; height: 2px; background: #000; transition: width 0.4s var(--easing);
}
.nav-link:hover::after { width: 100%; }

/* --- MOBILE NAVIGATION --- */
.mobile-toggle {
    display: none; /* Hidden on desktop */
    font-weight: 900; text-transform: uppercase; cursor: pointer;
    z-index: 1002;
}

.mobile-menu {
    position: fixed; top: 0; left: 0; width: 100%; height: 100vh;
    background: #111; color: #fff;
    z-index: 1001;
    display: flex; flex-direction: column; justify-content: center; align-items: center;
    transform: translateY(-100%);
    transition: transform 0.5s var(--easing);
}

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

.mobile-menu a {
    font-size: 2.5rem; font-weight: 900; text-transform: uppercase;
    margin-bottom: 2rem; color: #fff;
}
.mobile-menu a:hover { color: var(--accent-color); }

/* --- HOMEPAGE HERO (PARALLAX) --- */
.hero-container {
    position: relative;
    height: 100vh;
    overflow: hidden;
    display: flex;
    align-items: flex-end;
    padding-bottom: 4rem;
}

.parallax-bg {
    position: absolute;
    top: -10%; left: -10%; width: 120%; height: 120%;
    /* Giant Smoke/Explosion Image */
    background-image: url('https://images.unsplash.com/photo-1555569949-83562657d446?q=80&w=2000&auto=format&fit=crop'); 
    background-size: cover;
    background-position: center;
    z-index: 0;
    /* We will animate this transform via JS for smoothness */
}

/* Gradient overlay to make text readable */
.hero-overlay {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(to bottom, rgba(244,244,244,0.4) 0%, rgba(244,244,244,0.95) 80%, var(--bg-color) 100%);
    z-index: 1;
}

.hero-content {
    position: relative; z-index: 2; width: 100%; padding: 0 2rem; max-width: 1800px; margin: 0 auto;
}

/* --- LAYOUT UTILITIES --- */
.container { padding: 0 2rem; max-width: 1800px; margin: 0 auto; position: relative; z-index: 2; }

/* --- STICKY SECTION LAYOUT --- */
.sticky-wrapper {
    display: grid; grid-template-columns: 1fr 2fr; gap: 2rem;
    padding: 6rem 0; border-top: 1px solid var(--border-color);
}
.sticky-side { position: sticky; top: 8rem; height: fit-content; }

/* --- INTERACTIVE LIST --- */
.list-item {
    border-top: 1px solid var(--border-color); padding: 3rem 2rem;
    transition: all 0.3s ease; cursor: pointer; position: relative;
}
.list-item:hover { background: #111; color: #fff; padding-left: 4rem; }
.list-item:hover .mono-label { color: #ccc; }
.list-item:last-child { border-bottom: 1px solid var(--border-color); }
.list-head { display: flex; justify-content: space-between; align-items: baseline; }

/* --- PHOTO GRID --- */
.photo-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 1px; background: #000; border: 1px solid #000; margin-top: 4rem;
}
.photo-item { background: #eee; aspect-ratio: 1/1; position: relative; overflow: hidden; }
.photo-caption {
    position: absolute; bottom: 10px; left: 10px;
    background: #fff; color: #000; padding: 5px 10px;
    font-family: 'Courier New', monospace; font-size: 0.7rem; text-transform: uppercase;
    font-weight: 700;
}

/* --- FORMS --- */
.input-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0; background: #fff; border: 1px solid #000; }
.input-group {
    position: relative; border: 1px solid #e0e0e0;
    margin-bottom: -1px; margin-right: -1px;
}
.input-group label {
    position: absolute; top: 1rem; left: 1rem;
    font-size: 0.7rem; text-transform: uppercase; font-weight: 700; color: #666;
}
.input-group input, .input-group select, .input-group textarea {
    width: 100%; padding: 2.5rem 1rem 1rem 1rem;
    border: none; background: transparent; color: #000;
    font-family: inherit; font-size: 1.5rem; font-weight: 500; outline: none;
}
.input-group input:focus { background: #f9f9f9; }

.btn-tactical {
    display: inline-block; border: 2px solid #000; padding: 1.2rem 2.5rem;
    text-transform: uppercase; font-weight: 800; font-size: 0.9rem;
    transition: all 0.3s var(--easing); margin-top: 2rem; cursor: pointer;
    background: #000; color: #fff;
}
.btn-tactical:hover { background: transparent; color: #000 !important; }

/* --- WATERMARK --- */
.watermark {
    position: fixed; top: 50%; left: 50%;
    transform: translate(-50%, -50%) rotate(-45deg);
    font-size: 15vw; font-weight: 900; color: #000; opacity: 0.03;
    text-transform: uppercase; white-space: nowrap; pointer-events: none; z-index: 1;
}

/* --- RESPONSIVE --- */
@media (max-width: 900px) {
    .sticky-wrapper { grid-template-columns: 1fr; }
    .sticky-side { position: relative; top: 0; margin-bottom: 2rem; }
    .display-text { font-size: 18vw; }
    .input-grid { grid-template-columns: 1fr; }
    
    /* Mobile Nav Logic */
    .nav-desktop { display: none; }
    .mobile-toggle { display: block; }
    header { align-items: center; }
}