@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

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

:root {
    --primary: #22c55e;
    --primary-dark: #16a34a;
    --secondary: #0ea5e9;
    --dark: #0f172a;
    --dark-light: #1e293b;
    --gray: #64748b;
    --gray-light: #cbd5e1;
    --white: #ffffff;
    --bg: #f1f5f9;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid #e2e8f0;
    z-index: 100;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

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

.logo-text {
    font-size: 20px;
    font-weight: 700;
    color: #0f172a;
    letter-spacing: -0.02em;
}

.logo-img {
    height: 32px;
    filter: brightness(0) saturate(100%) invert(15%) sepia(10%) saturate(1500%) hue-rotate(180deg) brightness(95%) contrast(95%);
}

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

.nav-link {
    color: var(--gray);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-link:hover {
    color: var(--dark);
}

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    padding-top: 72px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 1400px;
    height: 1400px;
    background: radial-gradient(circle, rgba(34, 197, 94, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.app-icon {
    margin-bottom: 32px;
    opacity: 0;
    animation: fadeInUp 0.6s ease forwards;
}

.hero-title {
    font-size: 72px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--white);
    letter-spacing: -0.02em;
    opacity: 0;
    animation: fadeInUp 0.6s ease 0.1s forwards;
}

.hero-subtitle {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 32px;
    font-weight: 500;
    opacity: 0;
    animation: fadeInUp 0.6s ease 0.2s forwards;
}

.trial-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary);
    color: white;
    padding: 12px 24px;
    border-radius: 100px;
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 32px;
    opacity: 0;
    animation: fadeInUp 0.6s ease 0.3s forwards;
    box-shadow: 0 4px 12px rgba(34, 197, 94, 0.3);
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
    from {
        opacity: 0;
        transform: translateY(20px);
    }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 12px rgba(34, 197, 94, 0.3);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(34, 197, 94, 0.4);
}

.btn-download {
    background: var(--white);
    color: var(--dark);
    padding: 16px 40px;
    font-size: 16px;
    opacity: 0;
    animation: fadeInUp 0.6s ease 0.4s forwards;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.btn-download:hover {
    background: var(--bg);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
}

.btn-download-large {
    background: #0f172a;
    color: white;
    padding: 20px 48px;
    font-size: 18px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.btn-download-large:hover {
    background: #1e293b;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
}

.btn-nav {
    background: var(--dark);
    color: white;
    padding: 10px 20px;
    font-size: 14px;
}

.btn-nav:hover {
    background: var(--dark-light);
}

.btn-secondary {
    background: var(--bg);
    color: var(--gray);
    cursor: not-allowed;
}

/* Sections */
.section {
    padding: 120px 0;
}

.section:nth-child(even) {
    background: #f8fafc;
}

.section-title {
    font-size: 48px;
    font-weight: 800;
    text-align: center;
    margin-bottom: 64px;
    color: var(--dark);
    letter-spacing: -0.02em;
}

/* About */
.about {
    background: var(--white);
}

.about-text p {
    font-size: 18px;
    line-height: 1.8;
    color: var(--gray);
    margin-bottom: 24px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.trial-info {
    margin-top: 64px;
}

.trial-box {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border: 4px solid #1e293b;
    border-radius: 24px;
    padding: 64px;
    max-width: 800px;
    margin: 0 auto;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

.trial-icon {
    margin-bottom: 24px;
    text-align: center;
}

.trial-box h3 {
    font-size: 32px;
    font-weight: 800;
    text-align: center;
    margin-bottom: 16px;
    color: var(--dark);
}

.trial-box > p {
    font-size: 18px;
    color: var(--gray);
    text-align: center;
    margin-bottom: 40px;
}

.trial-features {
    list-style: none;
    display: grid;
    gap: 16px;
}

.trial-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 16px;
    color: var(--dark);
    padding: 16px;
    background: #f1f5f9;
    border-radius: 12px;
    transition: all 0.2s;
    border: 3px solid #334155;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.trial-features li:hover {
    background: #e2e8f0;
    transform: translateX(4px);
    border-color: var(--primary);
    box-shadow: 0 4px 12px rgba(34, 197, 94, 0.3);
}

/* Features */
.features {
    background: #f8fafc;
    color: #0f172a;
}

.features .section-title {
    color: #0f172a !important;
    background: transparent;
    padding: 0;
    border-radius: 0;
    display: block;
    box-shadow: none;
    text-align: center;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.feature-card {
    background: white;
    border: 3px solid #1e293b;
    border-radius: 20px;
    padding: 40px;
    transition: all 0.3s;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.feature-card:hover {
    background: white;
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    margin-bottom: 24px;
}

.feature-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    color: #0f172a;
}

.feature-description {
    font-size: 15px;
    color: #64748b;
    line-height: 1.6;
}

/* Pricing */
.pricing {
    background: #f8fafc;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    max-width: 1100px;
    margin: 0 auto;
}

.pricing-card {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border: 4px solid #1e293b;
    border-radius: 24px;
    padding: 48px;
    position: relative;
    transition: all 0.3s;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15);
    overflow: hidden;
}

.pricing-card:hover {
    border-color: var(--primary);
    transform: translateY(-8px);
    box-shadow: 0 20px 48px rgba(0, 0, 0, 0.25);
}

.pricing-card.trial {
    border: 4px solid var(--primary);
    background: linear-gradient(135deg, #dcfce7 0%, #f0fdf4 50%, white 100%);
    box-shadow: 0 16px 40px rgba(34, 197, 94, 0.3);
}

.pricing-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    padding: 6px 16px;
    border-radius: 100px;
    font-size: 13px;
    font-weight: 600;
}

.pricing-title {
    font-size: 24px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 24px;
    color: var(--dark);
}

.pricing-price {
    text-align: center;
    margin-bottom: 32px;
}

.price-amount {
    display: block;
    font-size: 48px;
    font-weight: 800;
    color: var(--dark);
    line-height: 1.1;
    word-wrap: break-word;
}

.price-period {
    display: block;
    font-size: 16px;
    color: var(--gray);
    margin-top: 8px;
}

.pricing-features {
    list-style: none;
    margin-bottom: 32px;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    font-size: 15px;
    color: var(--dark);
    border-bottom: 2px solid #cbd5e1;
}

.pricing-features li:last-child {
    border-bottom: none;
}

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

/* Download Section */
.download-section {
    background: #f8fafc;
    color: #0f172a;
}

.download-box {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.download-title {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
    color: #0f172a !important;
}

.download-subtitle {
    font-size: 20px;
    color: #334155 !important;
    margin-bottom: 48px;
}

.download-features {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-top: 32px;
    flex-wrap: wrap;
}

.download-features span {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    color: #334155;
}

/* Footer */
.footer {
    background: #020617;
    color: rgba(255, 255, 255, 0.7);
    padding: 64px 0;
    border-top: 1px solid #334155;
}

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

.footer-info p,
.footer-links p {
    margin: 4px 0;
    font-size: 14px;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 48px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .section-title {
        font-size: 36px;
    }
    
    .section {
        padding: 80px 0;
    }
    
    .trial-box {
        padding: 40px 24px;
    }
    
    .nav {
        flex-direction: column;
        gap: 16px;
    }
    
    .header-content {
        flex-direction: column;
        height: auto;
        padding: 16px 0;
    }
    
    .pricing-grid,
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 24px;
        text-align: center;
    }
}