:root {
    --primary-color: #4cd964; /* Green accent from screenshot */
    --primary-hover: #3cb853;
    --bg-dark: #121212;
    --bg-card: #1e1e1e;
    --bg-card-hover: #252525;
    --text-main: #ffffff;
    --text-muted: #a0a0a0;
    --font-family: 'Inter', sans-serif;
    --transition: all 0.3s ease;
    --nav-height: 80px;
}

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navbar */
.navbar {
    height: var(--nav-height);
    background: rgba(18, 18, 18, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-main);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo i {
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    gap: 32px;
}

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

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

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    padding: calc(var(--nav-height) + 80px) 0 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: radial-gradient(circle at 50% 20%, #1e3a23 0%, var(--bg-dark) 50%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-text h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 24px;
    background: linear-gradient(to right, #fff, #a0a0a0);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-text p {
    font-size: 1.125rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 500px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--primary-color);
    color: #000;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(76, 217, 100, 0.2);
}

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

.mockup-container {
    position: relative;
    width: 100%;
    max-width: 350px;
    border-radius: 20px;
    overflow: hidden; /* Ensure rounded corners */
}

.app-mockup {
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    transform: rotateY(-10deg) rotateX(5deg);
    transition: transform 0.5s ease;
    border: 8px solid #333; /* Simulate device bezel */
}

.mockup-container:hover .app-mockup {
    transform: rotateY(0) rotateX(0) scale(1.02);
}

.glow-effect {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    background: var(--primary-color);
    filter: blur(80px);
    opacity: 0.2;
    z-index: -1;
}

/* Features Section */
.features {
    padding: 100px 0;
    background-color: var(--bg-dark);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--bg-card);
    padding: 40px 30px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.feature-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-5px);
    border-color: rgba(76, 217, 100, 0.3);
}

.icon-box {
    width: 60px;
    height: 60px;
    background: rgba(76, 217, 100, 0.1);
    border-radius: 15px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 24px;
    color: var(--primary-color);
    font-size: 1.5rem;
}

.feature-card h3 {
    margin-bottom: 12px;
    font-size: 1.25rem;
}

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

/* Screenshots Section */
.screenshots {
    padding: 100px 0;
    overflow: hidden;
}

.screenshot-gallery {
    display: flex;
    gap: 30px;
    overflow-x: auto;
    padding-bottom: 40px;
    scrollbar-width: none;
}

.screenshot-gallery img {
    height: 500px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    transition: var(--transition);
}

.screenshot-gallery img:hover {
    transform: scale(1.02);
}

/* Footer */
.footer {
    padding: 60px 0;
    background: var(--bg-card);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-logo i {
    color: var(--primary-color);
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

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

.copyright {
    color: #666;
    font-size: 0.9rem;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-text h1 {
        font-size: 2.5rem;
    }
    
    .hero-text p {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-image {
        margin-top: 40px;
    }

    .nav-links {
        display: none; /* simple hide for now, would use JS for real toggle */
    }
    
    .mobile-menu-btn {
        display: block;
    }
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal.show {
    opacity: 1;
}

.modal-content {
    background-color: var(--bg-card);
    margin: 15% auto;
    padding: 0;
    border: 1px solid rgba(255, 255, 255, 0.1);
    width: 90%;
    max-width: 500px;
    border-radius: 16px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.5);
    transform: translateY(20px);
    transition: transform 0.3s ease;
}

.modal.show .modal-content {
    transform: translateY(0);
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    margin: 0;
    font-size: 1.25rem;
    color: var(--text-main);
}

.close-modal {
    color: var(--text-muted);
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    line-height: 1;
}

.close-modal:hover {
    color: var(--primary-color);
}

.modal-body {
    padding: 24px;
}

.modal-body p {
    color: var(--text-muted);
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-main);
    font-size: 0.9rem;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: var(--text-main);
    font-family: var(--font-family);
    font-size: 0.95rem;
    transition: border-color 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    background-color: rgba(255, 255, 255, 0.08);
}

.btn-block {
    display: flex;
    justify-content: center;
    width: 100%;
    border: none;
    font-size: 1rem;
}

.email-direct {
    margin-top: 20px;
    text-align: center;
    font-size: 0.85rem;
    border-top: 1px solid rgba(255,255,255,0.05);
    padding-top: 15px;
}