:root {
    --primary-color: #ffffff;
    --accent-color: #e86615; /* Modern Apple-style blue */
    --text-main: #ffffff;
    --text-dim: rgba(255, 255, 255, 0.7);
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
}

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

body, html {
    height: 100%;
    font-family: 'Inter', sans-serif;
    background-color: #000;
    overflow: hidden;
}

.hero-container {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Professional background image handling */
.hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('Image/icsystem_cover_image.jpeg');
    background-size: cover;
    background-position: center;
    transform: scale(1.1); /* Subtle zoom for the Ken Burns effect in JS */
    transition: transform 10s ease-out;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(0,0,0,0.2) 0%, rgba(0,0,0,0.8) 100%);
    z-index: 1;
}

/* The Central Glass Card */
.dashboard-card {
    position: relative;
    z-index: 2;
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    padding: 50px 60px;
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    text-align: center;
    max-width: 500px;
    width: 90%;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    opacity: 0;
    transform: translateY(30px);
}

.pre-title {
    text-transform: uppercase;
    letter-spacing: 4px;
    font-size: 0.90rem;
    color: #f97316;
    font-weight: 600;
    display: block;
    margin-bottom: 10px;
}

h1 {
    font-size: 2.2rem;
    color: var(--text-main);
    font-weight: 500;
    margin-bottom: 20px;
}

.divider {
    height: 1px;
    width: 50px;
    background: var(--accent-color);
    margin: 0 auto 25px;
}

.description {
    color: var(--text-dim);
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 40px;
}

/* Navigation Links */
.navigation {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.nav-link {
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-decoration: none;
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.05);
    padding: 18px 25px;
    border-radius: 12px;
    border: 1px solid transparent;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--glass-border);
    transform: translateX(5px);
}

.nav-link .label {
    font-size: 1.1rem;
    font-weight: 400;
}

.nav-link .arrow {
    opacity: 0;
    transform: translateX(-10px);
    transition: all 0.3s ease;
}

.nav-link:hover .arrow {
    opacity: 1;
    transform: translateX(0);
}