:root {
    --primary-bg: #0a1128;
    --navy-deep: #0a1128;
    --gradient-start: #1e3a5f;
    --gradient-end: #002d38;
    --teal-vibrant: #00f5ff;
    --cyan-electric: #00e1ff;
    --orange-primary: #f48c25;
    --card-bg: rgba(27, 35, 51, 0.8);
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-main: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.6);
    --task-blue: #3B82F6;
    --task-orange: #F97316;
    --task-purple: #A855F7;
    --task-teal: #14B8A6;

    --font-main: 'Outfit', sans-serif;
}

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

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

/* Background Gradient */
.bg-gradient {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% -20%, var(--gradient-start), var(--navy-deep), var(--gradient-end));
    z-index: -1;
}

/* Navigation */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem 10%;
    position: absolute;
    width: 100%;
    z-index: 100;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo span {
    color: var(--teal-vibrant);
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.btn-download {
    background: linear-gradient(135deg, var(--cyan-electric), var(--teal-vibrant));
    color: var(--navy-deep);
    padding: 0.8rem 1.5rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 700;
    transition: all 0.3s ease;
    box-shadow: 0 0 20px rgba(0, 245, 255, 0.3);
}

.btn-download:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(0, 245, 255, 0.5);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 0 10%;
    padding-top: 5rem;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, #fff, #bbb);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero h1 span {
    display: block;
    color: var(--teal-vibrant);
    -webkit-text-fill-color: var(--teal-vibrant);
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
}

.hero-mockup {
    width: 100%;
    max-width: 500px;
    filter: drop-shadow(0 0 50px rgba(0, 245, 255, 0.2));
    animation: float 6s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-20px);
    }
}

/* Features Section */
.features {
    padding: 5rem 10%;
    text-align: center;
}

.section-title {
    margin-bottom: 4rem;
}

.section-title h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    padding: 2.5rem;
    border-radius: 24px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    text-align: left;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--teal-vibrant);
    background: rgba(27, 35, 51, 0.9);
}

.feature-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.card-blue {
    background: rgba(59, 130, 246, 0.1);
    color: var(--task-blue);
}

.card-orange {
    background: rgba(249, 115, 22, 0.1);
    color: var(--task-orange);
}

.card-purple {
    background: rgba(168, 85, 247, 0.1);
    color: var(--task-purple);
}

.card-teal {
    background: rgba(20, 184, 166, 0.1);
    color: var(--task-teal);
}

.feature-card h3 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Stats Section */
.stats {
    background: rgba(255, 255, 255, 0.02);
    padding: 4rem 10%;
    display: flex;
    justify-content: space-around;
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
}

.stat-item {
    text-align: center;
}

.stat-value {
    font-size: 3rem;
    font-weight: 800;
    color: var(--teal-vibrant);
    display: block;
}

.stat-label {
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.8rem;
}

/* Footer */
footer {
    padding: 4rem 10%;
    text-align: center;
    border-top: 1px solid var(--glass-border);
}

.footer-links {
    margin: 2rem 0;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    margin: 0 1rem;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--teal-vibrant);
}

.copyright {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 992px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 10rem;
    }

    .hero-content {
        margin-bottom: 4rem;
    }

    h1 {
        font-size: 3rem;
    }

    .stats {
        flex-wrap: wrap;
        gap: 2rem;
    }
}