/* Base Styles */
:root {
    --primary-color: #4361ee;
    --primary-dark: #3a56d4;
    --secondary-color: #f8f9fa;
    --text-color: #333;
    --text-light: #6c757d;
    --background-light: #f8f9fa;
    --background-dark: #212529;
    --success-color: #28a745;
    --error-color: #dc3545;
    --border-color: #dee2e6;
    --border-radius: 0.5rem;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

h1, h2, h3 {
    margin-bottom: 1rem;
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: var(--primary-color);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
}

section {
    padding: 5rem 0;
}

section h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 0.5rem;
}

section > .container > p {
    text-align: center;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto 3rem auto;
    font-size: 1.1rem;
}

/* Buttons */
.btn-primary, .btn-secondary {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 1rem;
}

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

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

.btn-secondary {
    background-color: var(--secondary-color);
    color: var(--text-color);
}

.btn-secondary:hover {
    background-color: #e9ecef;
}

.btn-full {
    width: 100%;
}

/* Header */
header {
    background-color: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.logo h1 {
    font-size: 1.5rem;
    margin-bottom: 0;
}

nav ul {
    display: flex;
    gap: 2rem;
}

nav a {
    color: var(--text-color);
    font-weight: 500;
}

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

.cta-buttons {
    display: flex;
    gap: 1rem;
}

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    text-align: center;
    padding: 8rem 0;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto 2rem auto;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* App Showcase */
.showcase {
    background-color: var(--background-light);
}

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

.screenshot {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    background-color: white;
    padding: 0.5rem;
}

.screenshot img {
    border-radius: calc(var(--border-radius) - 0.25rem);
    display: block;
}

.screenshot.center {
    margin-top: 2rem;
}

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

.feature-card {
    background-color: white;
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

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

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

/* Email Form */
.email-form {
    background-color: var(--background-light);
}

form {
    max-width: 500px;
    margin: 0 auto;
    background-color: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
}

input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-message {
    margin-top: 1rem;
    padding: 0.75rem;
    border-radius: var(--border-radius);
    text-align: center;
}

.form-message.success {
    background-color: rgba(40, 167, 69, 0.1);
    color: var(--success-color);
}

.form-message.error {
    background-color: rgba(220, 53, 69, 0.1);
    color: var(--error-color);
}

/* Footer */
footer {
    background-color: var(--background-dark);
    color: white;
    padding: 3rem 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-logo i {
    font-size: 1.5rem;
}

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

.footer-links a {
    color: #adb5bd;
    transition: var(--transition);
}

.footer-links a:hover {
    color: white;
}

.footer-copyright {
    color: #adb5bd;
    font-size: 0.9rem;
}

/* Responsive Styles */
@media (max-width: 992px) {
    .screenshots {
        gap: 1rem;
    }
    
    .screenshot img {
        max-width: 250px;
    }
}

@media (max-width: 768px) {
    nav, .cta-buttons {
        display: none;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .screenshots {
        flex-direction: column;
        align-items: center;
    }
    
    .screenshot.center {
        margin-top: 0;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-logo {
        justify-content: center;
    }
    
    .footer-links {
        justify-content: center;
    }
}

@media (max-width: 576px) {
    section {
        padding: 3rem 0;
    }
    
    .hero {
        padding: 5rem 0;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
    }
    
    section h2 {
        font-size: 2rem;
    }
}