/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #10b981;
    --primary-dark: #059669;
    --secondary: #6366f1;
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --border: #e5e7eb;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-primary);
    line-height: 1.6;
    background: var(--bg-primary);
}

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

/* Header */
header {
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border);
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

.logo-icon {
    font-size: 24px;
}

nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

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

.btn-download-small {
    background: var(--primary);
    color: white !important;
    padding: 8px 16px;
    border-radius: 8px;
    font-weight: 600;
}

.btn-download-small:hover {
    background: var(--primary-dark);
    color: white !important;
}

/* Hero Section */
.hero {
    padding: 80px 0 120px;
    background: linear-gradient(135deg, #f9fafb 0%, #ffffff 100%);
}

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

.hero-content h1 {
    font-size: 56px;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.6;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 16px;
    text-decoration: none;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: white;
    color: var(--text-primary);
    border: 2px solid var(--border);
}

.btn-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.btn-large {
    padding: 18px 36px;
    font-size: 18px;
}

.hero-stats {
    display: flex;
    gap: 32px;
    flex-wrap: wrap;
}

.stat {
    display: flex;
    align-items: center;
    gap: 12px;
}

.stat-icon {
    font-size: 32px;
}

.stat-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.stat-text strong {
    font-weight: 600;
    color: var(--text-primary);
}

.stat-text span {
    font-size: 14px;
    color: var(--text-secondary);
}

/* App Mockup */
.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.app-mockup {
    width: 100%;
    max-width: 400px;
    aspect-ratio: 9/19.5;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 40px;
    padding: 12px;
    box-shadow: var(--shadow-lg);
}

.mockup-screen {
    background: white;
    border-radius: 32px;
    height: 100%;
    padding: 48px 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 32px;
}

.progress-ring {
    position: relative;
    width: 200px;
    height: 200px;
}

.progress-ring svg {
    width: 100%;
    height: 100%;
}

.progress-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.progress-number {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary);
}

.progress-label {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
}

.mockup-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    width: 100%;
}

.mockup-stat {
    text-align: center;
    padding: 16px 8px;
    background: var(--bg-secondary);
    border-radius: 12px;
}

.mockup-stat-label {
    font-size: 11px;
    color: var(--text-secondary);
    margin-bottom: 4px;
    font-weight: 500;
}

.mockup-stat-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
}

/* Features Section */
.features {
    padding: 120px 0;
    background: var(--bg-primary);
}

.features h2 {
    font-size: 48px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 64px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-card {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 32px;
    transition: all 0.3s;
    position: relative;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.feature-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--primary);
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

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

/* Download Section */
.download {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
}

.download-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.download h2 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 16px;
}

.download p {
    font-size: 20px;
    margin-bottom: 32px;
    opacity: 0.9;
}

.download .btn-primary {
    background: white;
    color: var(--primary);
    margin-bottom: 16px;
}

.download .btn-primary:hover {
    background: var(--bg-secondary);
}

.download-note {
    font-size: 14px;
    opacity: 0.8;
}

/* Footer */
footer {
    background: var(--text-primary);
    color: white;
    padding: 64px 0 32px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 64px;
    margin-bottom: 48px;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    margin-top: 12px;
}

.footer-brand .logo {
    color: white;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 48px;
}

.footer-column h4 {
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
    color: white;
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: 12px;
}

.footer-column a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.2s;
}

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

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
}

.footer-bottom p {
    margin-bottom: 8px;
    font-size: 14px;
}

.footer-disclaimer {
    font-size: 12px;
    font-style: italic;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero .container {
        gap: 40px;
    }

    .hero-content h1 {
        font-size: 48px;
    }
}

@media (max-width: 768px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .hero-content h1 {
        font-size: 40px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .hero-image {
        order: -1;
    }

    .app-mockup {
        max-width: 300px;
    }

    .cta-buttons {
        flex-direction: column;
    }

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

    .features-grid {
        grid-template-columns: 1fr;
    }

    .features h2,
    .download h2 {
        font-size: 36px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-links {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    nav {
        gap: 16px;
    }

    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 32px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    nav a:not(.btn-download-small) {
        display: none;
    }

    .mockup-stats {
        grid-template-columns: 1fr;
    }
}