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

body {
    font-family: 'Poppins', sans-serif;
    background: #0a0a0a;
    color: white;
    overflow-x: hidden;
}

header {
    background: rgba(255,255,255,0.03);
    backdrop-filter: blur(10px);
    padding: 15px 50px;
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: center;
    gap: 30px;
}

nav a {
    color: white;
    text-decoration: none;
    font-weight: 600;
    transition: 0.3s;
}
nav a:hover { color: #00eaff; }

/* HERO SECTION */
.hero {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 80px;
}

#hero-3d {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0; left: 0;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
}

.title-3d {
    font-size: 3rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: #00eaff;
    text-shadow: 0 0 20px #00c8ff;
}

.subtitle-3d {
    margin-top: 10px;
    font-size: 1.2rem;
    color: #cccccc;
}

.btn-hero {
    margin-top: 20px;
    padding: 12px 30px;
    background: #00eaff;
    border-radius: 50px;
    color: #000;
    font-weight: 700;
    text-decoration: none;
    transition: 0.3s;
}

.btn-hero:hover {
    background: white;
}

/* FEATURES */
.features {
    padding: 100px 50px;
    text-align: center;
}

.feature-grid {
    display: flex;
    justify-content: center;
    gap: 50px;
    margin-top: 50px;
}

.feature {
    background: rgba(255,255,255,0.05);
    padding: 30px;
    width: 260px;
    border-radius: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1);
    transition: 0.3s;
}

.feature:hover {
    transform: translateY(-10px);
    border-color: #00eaff;
}

.icon {
    font-size: 40px;
}

/* CTA */
.cta {
    text-align: center;
    padding: 100px;
    background: linear-gradient(45deg, #001f2b, #004358);
}

.btn-cta {
    padding: 15px 40px;
    background: #00eaff;
    color: black;
    border-radius: 50px;
    font-weight: 700;
    text-decoration: none;
    transition: 0.3s;
}

.btn-cta:hover { background: white; }