:root {
    --gradient-start: #111111;
    --gradient-mid: #142823;
    --gradient-end: #1B4332;
    --primary: #2A5D51;
    --primary-glow: rgba(42, 93, 81, 0.4);
    --primary-dark: #1B4332;
    --primary-light: #4A8D7E;
    --primary-dark-text: #F5EBE0;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-highlight: rgba(255, 255, 255, 0.2);
    --text-primary: #F5EBE0;
    --text-secondary: rgba(245, 235, 224, 0.8);
    --text-muted: rgba(245, 235, 224, 0.5);
}

body {
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-mid) 50%, var(--gradient-end) 100%);
    color: var(--text-primary);
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    min-height: 100vh;
    margin: 0;
    display: flex;
    flex-direction: column;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--text-primary);
    margin-top: 0;
    font-weight: 700;
}

p,
li {
    color: var(--text-secondary);
    line-height: 1.6;
}

strong {
    color: var(--text-primary);
}

a {
    color: var(--primary-light);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--text-primary);
    text-decoration: underline;
}

.glass-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.btn-primary {
    background-color: var(--primary);
    color: var(--primary-dark-text);
    border: none;
    border-radius: 12px;
    padding: 12px 24px;
    font-weight: bold;
    transition: all 0.2s;
    box-shadow: 0 4px 16px var(--primary-glow);
    display: inline-block;
}

.btn-primary:hover {
    background-color: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--primary-glow);
    color: var(--text-primary);
    text-decoration: none;
}

/* Navbar */
.navbar {
    background: rgba(17, 17, 17, 0.95);
    border-bottom: 1px solid var(--glass-border);
    padding: 1rem 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--text-primary);
}

.navbar-nav {
    display: flex;
    gap: 1.5rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-light);
    text-decoration: none;
}

/* Footer */
footer {
    margin-top: auto;
    border-top: 1px solid var(--glass-border);
    background: rgba(20, 40, 35, 0.8);
    padding: 2rem 0;
    text-align: center;
    color: var(--text-muted);
}

footer a {
    color: var(--text-secondary);
    margin: 0 0.5rem;
}

/* Extended Design Styles */

/* Hero Section */
.hero-section {
    padding: 6rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #F5EBE0 0%, #4A8D7E 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 2.5rem;
}

/* Feature Cards Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 4rem 0;
}

.feature-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2.5rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(42, 93, 81, 0.2);
    border-color: var(--primary);
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--primary-light);
    margin-bottom: 1.5rem;
    width: 64px;
    height: 64px;
    background: rgba(42, 93, 81, 0.1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature-desc {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
}

/* App Showcase Section */
.app-showcase {
    display: flex;
    align-items: center;
    gap: 4rem;
    margin: 6rem auto;
    max-width: 1200px;
    padding: 0 1.5rem;
}

.showcase-content {
    flex: 1;
}

.showcase-image {
    flex: 1;
    position: relative;
    text-align: center;
}

.phone-mockup {
    width: 300px;
    height: 600px;
    background: #000;
    border-radius: 40px;
    border: 8px solid #333;
    margin: 0 auto;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    position: relative;
    z-index: 2;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: var(--gradient-mid);
    padding: 20px;
    display: flex;
    flex-direction: column;
}

/* Store Buttons */
.store-badges {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

.store-badge {
    height: 50px;
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    padding: 0 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
    cursor: not-allowed;
    opacity: 0.7;
}

.store-text {
    text-align: left;
}

.store-subtitle {
    font-size: 0.7rem;
    display: block;
    color: var(--text-muted);
}

.store-title {
    font-size: 1rem;
    font-weight: bold;
    display: block;
    line-height: 1;
}

/* Mock UI Elements */
.mock-card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 15px;
    margin-bottom: 15px;
}

.mock-line {
    height: 8px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    margin-bottom: 8px;
}

.mock-progress {
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
    margin-top: 10px;
}

.mock-bar {
    height: 100%;
    background: var(--primary-light);
    width: 60%;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-up {
    animation: fadeInUp 0.8s ease-out forwards;
}

.delay-1 {
    animation-delay: 0.2s;
}

.delay-2 {
    animation-delay: 0.4s;
}

.delay-3 {
    animation-delay: 0.6s;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .app-showcase {
        flex-direction: column;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .phone-mockup {
        width: 260px;
        height: 520px;
    }
}