:root {
    --bg-color: #0f172a;
    --text-color: #f8fafc;
    --text-muted: #cbd5e1;
    --text-dim: #94a3b8;
    --primary-color: #3b82f6;
    --secondary-color: #8b5cf6;
    --accent-color: #ec4899;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --nav-bg: rgba(15, 23, 42, 0.6);
    --footer-bg: rgba(15, 23, 42, 0.4);
}

.light-mode {
    --bg-color: #f0f9ff;
    --text-color: #1e293b;
    --text-muted: #475569;
    --text-dim: #64748b;
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(0, 0, 0, 0.1);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
    --nav-bg: rgba(255, 255, 255, 0.8);
    --footer-bg: rgba(255, 255, 255, 0.8);
}

html {
    scroll-behavior: smooth;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Background Shapes */
.background-shapes {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.6;
    animation: float 10s infinite ease-in-out;
}

.shape-1 {
    width: 400px;
    height: 400px;
    background: var(--primary-color);
    top: -100px;
    left: -100px;
    animation-delay: 0s;
}

.shape-2 {
    width: 300px;
    height: 300px;
    background: var(--secondary-color);
    bottom: 10%;
    right: -50px;
    animation-delay: 2s;
}

.shape-3 {
    width: 200px;
    height: 200px;
    background: var(--accent-color);
    top: 40%;
    left: 40%;
    animation-delay: 4s;
}

@keyframes float {

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

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

/* Glassmorphism Utilities */
.glass {
    background: var(--nav-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    box-shadow: var(--glass-shadow);
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
    transition: transform 0.3s ease;
}

.navbar.nav-hidden {
    transform: translateY(-100%);
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-logo {
    height: 40px;
    width: auto;
}

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

.nav-item {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-item:hover {
    color: var(--primary-color);
}

.coffee-btn {
    background: #ff6e14;
    color: #000;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-weight: 600;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.coffee-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 174, 0, 0.588);
    color: #000;
}

.theme-toggle {
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0.5rem;
    transition: transform 0.3s ease;
}

.theme-toggle:hover {
    transform: rotate(15deg);
    color: var(--primary-color);
}

/* Hero Section */
.hero-section {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 100vh;
    padding: 6rem 5% 2rem;
    gap: 4rem;
}

.hero-content {
    flex: 1;
    padding: 3rem;
    max-width: 650px;
}

h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.gradient-text {
    background: linear-gradient(to right, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

.cta-buttons {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.btn {
    text-decoration: none;
    padding: 1rem 2rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: 1px solid transparent;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.5);
}

.glow-effect {
    position: relative;
    overflow: hidden;
}

.glow-effect::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 0%, transparent 60%);
    transform: rotate(45deg);
    animation: glow-sweep 3s infinite;
}

@keyframes glow-sweep {
    0% {
        transform: translate(-100%, -100%) rotate(45deg);
    }

    gap: 2rem;
}

.stats {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-color);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-dim);
}

.stat-divider {
    width: 1px;
    height: 30px;
    background: var(--glass-border);
}

/* Hero Visual */
.hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image {
    width: 100%;
    max-width: 600px;
    height: auto;
    transform: perspective(1000px) rotateY(-10deg) rotateX(5deg);
    transition: transform 0.5s ease;
}

.hero-image:hover {
    transform: perspective(1000px) rotateY(0) rotateX(0);
}

/* Features Section */
.features-section {
    padding: 6rem 5%;
    position: relative;
    z-index: 1;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 4rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 6rem;
}

.feature-card {
    padding: 2rem;
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-icon {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    background: rgba(59, 130, 246, 0.1);
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
}

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

.feature-card p {
    color: var(--text-muted);
    line-height: 1.6;
}

/* Feature Showcase */
.feature-showcase {
    display: flex;
    align-items: center;
    gap: 4rem;
    padding: 2rem;
}

.showcase-content {
    flex: 1;
}

.showcase-content h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.showcase-content p {
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 2rem;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
}

.feature-list i {
    color: var(--secondary-color);
}

.showcase-image {
    flex: 1;
}

.showcase-image img {
    width: 100%;
    border-radius: 12px;
    box-shadow: var(--glass-shadow);
}

/* Footer */
.glass-footer {
    text-align: center;
    padding: 2rem;
    background: var(--footer-bg);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--glass-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
}

.social-links {
    display: flex;
    gap: 1.5rem;
}

.social-links a {
    color: var(--text-dim);
    font-size: 1.2rem;
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: var(--text-color);
}

/* Responsive */
@media (max-width: 968px) {
    .hero-section {
        flex-direction: column;
        text-align: center;
        padding-top: 8rem;
    }

    .hero-content {
        padding: 2rem;
    }

    .cta-buttons {
        justify-content: center;
    }

    .stats {
        justify-content: center;
    }

    .hero-image {
        transform: none;
        margin-top: 2rem;
    }

    .hero-image:hover {
        transform: none;
    }

    .feature-showcase {
        flex-direction: column;
        gap: 2rem;
    }

    .glass-footer {
        flex-direction: column;
        gap: 1rem;
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 1rem;
        background: var(--nav-bg);
    }

    .nav-links {
        gap: 1rem;
    }

    /* Hide Features and GitHub links on mobile */
    .nav-item:not(.coffee-btn) {
        display: none;
    }

    /* Adjust Coffee Button for mobile */
    .coffee-btn {
        padding: 0.4rem 0.8rem;
        font-size: 0.9rem;
    }

    h1 {
        font-size: 2.5rem;
    }

    .hero-section {
        padding-top: 8rem;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .stats {
        flex-direction: column;
        gap: 1.5rem;
    }

    .stat-divider {
        width: 30px;
        height: 1px;
    }

    .feature-showcase {
        padding: 1rem;
    }

    .showcase-content h3 {
        font-size: 1.5rem;
    }
}