body {
    margin: 0;
    background: #000;
    font-family: 'Segoe UI', sans-serif;
    color: #fff;
    overflow-x: hidden;
}

/* INTRO SCREEN */
#intro-screen {
    position: fixed;
    inset: 0;
    background: #000;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 30px;
    z-index: 999;
}

.intro-text {
    font-size: 1.2rem;
    letter-spacing: 4px;
    opacity: 0.8;
}

.amber-btn {
    padding: 14px 32px;
    background: #ffb300;
    border: none;
    color: #000;
    font-weight: bold;
    letter-spacing: 2px;
    cursor: pointer;
    box-shadow: 0 0 20px #ffb30088;
    transition: 0.3s;
}

.amber-btn:hover {
    box-shadow: 0 0 40px #ffb300cc;
}

/* FADE OUT */
.fade-out {
    animation: fadeOut 0.8s forwards;
}

@keyframes fadeOut {
    to { opacity: 0; }
}

/* HERO */
.hidden { display: none; }

#hero {
    position: relative;
    height: 100vh;
    background: #000;
    display: flex;
    justify-content: center;
    align-items: center;
}

.device-case {
    width: 60%;
    opacity: 0.25;
}

.hud-lines {
    position: absolute;
    width: 80%;
    opacity: 0.15;
}

.hero-content {
    position: absolute;
    text-align: center;
}

.title {
    font-size: 5rem;
    letter-spacing: 12px;
    font-weight: 900;
    background: linear-gradient(#777, #222);
    -webkit-background-clip: text;
    color: transparent;
}

.tagline {
    font-size: 1.4rem;
    margin-top: 10px;
    opacity: 0.9;
}

.subline {
    margin-top: 5px;
    opacity: 0.6;
}

.cta-btn {
    margin-top: 30px;
    padding: 14px 32px;
    background: #111;
    border: 1px solid #444;
    color: #fff;
    letter-spacing: 2px;
    cursor: pointer;
    transition: 0.3s;
}

.cta-btn:hover {
    background: #222;
}

/* SECTIONS */
section {
    padding: 80px 10%;
    text-align: center;
}

.screenshots img {
    width: 30%;
    margin: 10px;
    border-radius: 8px;
    opacity: 0.9;
}

/* FOOTER */
footer {
    padding: 40px;
    text-align: center;
    opacity: 0.5;
}

footer a {
    margin: 0 15px;
    color: #aaa;
    text-decoration: none;
}