:root {
    --primary-color: #064E3B; /* Deep Emerald */
    --primary-light: #10B981; /* Lighter Emerald */
    --accent-color: #FBBF24; /* Amber */
    --bg-color: #F9FAFB; /* Warm Grey */
    --text-color: #111827; /* Dark Gray */
    --text-muted: #6B7280;
    --white: #FFFFFF;
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.3);
    --shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
    --bg-color: #111827;
    --text-color: #F9FAFB;
    --glass-bg: rgba(17, 24, 39, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    height: 80px;
    display: flex;
    align-items: center;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    z-index: 1000;
}

.navbar-content {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--primary-color);
}

.logo-img {
    height: 40px;
    width: auto;
    border-radius: 8px;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: var(--transition);
}

/*
.nav-links a:hover {
    color: var(--primary-color);
}
*/

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    display: inline-block;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--white);
    box-shadow: 0 4px 14px 0 rgba(6, 78, 59, 0.39);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(6, 78, 59, 0.45);
}

.btn-outline {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
}

/* Hero Section */
.hero {
    padding: 180px 0 100px;
    background: linear-gradient(135deg, #ECFDF5 0%, #F9FAFB 100%);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
}

.hero-text h1 {
    font-size: 4rem;
    line-height: 1.1;
    font-weight: 800;
    margin-bottom: 1.5rem;
    color: #064E3B;
}

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

.hero-text p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 600px;
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
}

.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
}

.phone-mockup {
    width: 320px;
    border-radius: 40px;
    padding: 12px;
    background: #111827;
    box-shadow: 0 50px 100px -20px rgba(0, 0, 0, 0.25);
    position: relative;
    z-index: 1;
}

.phone-mockup img {
    width: 100%;
    border-radius: 32px;
    display: block;
}

.phone-mockup::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120%;
    height: 120%;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.1) 0%, transparent 70%);
    z-index: -1;
}

/* Features */
.features {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 5rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.section-header p {
    color: var(--text-muted);
    font-size: 1.125rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2.5rem;
}

.feature-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 24px;
    border: 1px solid #F3F4F6;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-light);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

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

/* About */
.about {
    padding: 100px 0;
    background-color: var(--primary-color);
    color: var(--white);
}

.about-content {
    max-width: 800px;
    text-align: center;
}

.about-text h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
}

.about-text p {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: 1.5rem;
}

/* Download */
.download {
    padding: 100px 0;
}

.download-box {
    background: linear-gradient(135deg, var(--primary-color) 0%, #065F46 100%);
    border-radius: 32px;
    padding: 5rem 2rem;
    text-align: center;
    color: var(--white);
}

.download-box h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.download-box p {
    font-size: 1.25rem;
    margin-bottom: 3rem;
    opacity: 0.9;
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.store-btn img {
    height: 60px;
    transition: var(--transition);
}

.store-btn:hover img {
    transform: scale(1.05);
}

/* Footer */
.footer {
    padding: 50px 0;
    border-top: 1px solid #E5E7EB;
}

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

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

.footer-links a {
    text-decoration: none;
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-up {
    opacity: 0;
    animation: fadeInUp 0.8s forwards;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.animate-fade-in {
    opacity: 0;
    animation: fadeIn 1.2s forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }

/* Responsive */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-text h1 { font-size: 3rem; }
    .hero-cta { justify-content: center; }
    .hero-text p { margin-left: auto; margin-right: auto; }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .hero { padding-top: 120px; }
    .download-box h2 { font-size: 2rem; }
}