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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #E2E8F0;
    background-color: #0B1220;
    background-image: radial-gradient(circle at 20% 20%, rgba(16, 185, 129, 0.08), transparent 55%),
                      radial-gradient(circle at 80% 0%, rgba(59, 130, 246, 0.12), transparent 45%),
                      linear-gradient(180deg, #0F172A 0%, #111827 45%, #0B1220 100%);
    min-height: 100vh;
}

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

a {
    color: #34D399;
    text-decoration: none;
    transition: color 0.3s;
}

a:hover {
    text-decoration: underline;
    color: #6EE7B7;
}

/* Header & Navigation */
header {
    background: rgba(15, 23, 42, 0.85);
    box-shadow: 0 10px 30px rgba(8, 47, 73, 0.25);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(12px);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: bold;
    color: #F8FAFC;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: inherit;
    text-decoration: none;
}

.logo-icon {
    font-size: 2rem;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: #CBD5F5;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #34D399;
    text-decoration: none;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, rgba(15, 118, 110, 0.92) 0%, rgba(15, 23, 42, 0.97) 55%, rgba(8, 47, 73, 0.95) 100%);
    color: #F8FAFC;
    padding: 6rem 0;
    text-align: center;
    box-shadow: 0 25px 60px rgba(8, 47, 73, 0.35);
    border-bottom: 1px solid rgba(52, 211, 153, 0.25);
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: 10px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
    text-align: center;
    box-shadow: 0 10px 25px rgba(15, 118, 110, 0.25);
}

.btn-primary {
    background: linear-gradient(135deg, #22C55E 0%, #14B8A6 100%);
    color: #0F172A;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #6EE7B7 0%, #34D399 100%);
    transform: translateY(-2px);
    box-shadow: 0 15px 35px rgba(13, 148, 136, 0.35);
    text-decoration: none;
}

.btn-secondary {
    background: rgba(15, 118, 110, 0.1);
    color: #ECFEFF;
    border: 1px solid rgba(45, 212, 191, 0.35);
}

.btn-secondary:hover {
    background: rgba(20, 184, 166, 0.2);
    text-decoration: none;
    box-shadow: 0 12px 30px rgba(20, 184, 166, 0.2);
}

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

/* Features Section */
.features {
    padding: 6rem 0;
    background: radial-gradient(circle at top, rgba(20, 184, 166, 0.1), transparent 55%), #0B1220;
    border-top: 1px solid rgba(148, 163, 184, 0.1);
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #F1F5F9;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}


.feature-card {
    padding: 2.25rem;
    background: linear-gradient(160deg, rgba(17, 24, 39, 0.95) 0%, rgba(13, 148, 136, 0.18) 100%);
    border-radius: 18px;
    border: 1px solid rgba(148, 163, 184, 0.12);
    transition: transform 0.3s, box-shadow 0.3s, border 0.3s;
    box-shadow: 0 18px 40px rgba(8, 47, 73, 0.25);
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 25px 55px rgba(13, 148, 136, 0.35);
    border-color: rgba(52, 211, 153, 0.35);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    filter: drop-shadow(0 10px 15px rgba(13, 148, 136, 0.35));
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
    color: #F8FAFC;
}

.feature-card p {
    color: #CBD5F5;
    line-height: 1.7;
}

/* Download Section */
.download {
    padding: 6rem 0;
    background: linear-gradient(135deg, rgba(13, 148, 136, 0.95) 10%, rgba(59, 130, 246, 0.75) 90%);
    color: #F8FAFC;
    text-align: center;
    box-shadow: 0 25px 60px rgba(30, 64, 175, 0.25);
    border-top: 1px solid rgba(148, 163, 184, 0.18);
    border-bottom: 1px solid rgba(148, 163, 184, 0.12);
}

.download h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.download p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    color: rgba(241, 245, 249, 0.9);
}

/* Contact Section */
.contact {
    padding: 4.5rem 0;
    background: radial-gradient(circle at bottom, rgba(20, 184, 166, 0.12), transparent 55%), rgba(15, 23, 42, 0.95);
    text-align: center;
    border-top: 1px solid rgba(148, 163, 184, 0.14);
}

.contact h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #F8FAFC;
}

.contact p {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    color: #E2E8F0;
}

/* Legal Pages */
.legal-page {
    padding: 3rem 0;
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.95) 0%, rgba(15, 23, 42, 0.9) 60%, rgba(11, 18, 32, 0.98) 100%);
}

.legal-page .container {
    max-width: 900px;
}

.legal-page h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    color: #F8FAFC;
}

.last-updated {
    color: #9CA3AF;
    font-style: italic;
    margin-bottom: 2rem;
}

.legal-page section {
    margin-bottom: 2.5rem;
}

.legal-page h2 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    color: #E2E8F0;
    margin-top: 2rem;
}

.legal-page h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: #CBD5F5;
    margin-top: 1.5rem;
}

.legal-page p {
    margin-bottom: 1rem;
    color: #C7D2FE;
    line-height: 1.8;
}

.legal-page ul {
    margin-left: 2rem;
    margin-bottom: 1rem;
}

.legal-page li {
    margin-bottom: 0.5rem;
    color: #A5B4FC;
    line-height: 1.8;
}

.legal-page strong {
    color: #F8FAFC;
}

/* Footer */
footer {
    background: linear-gradient(160deg, #0B1220 0%, #0F172A 55%, #047857 100%);
    color: white;
    padding: 2rem 0;
    text-align: center;
    border-top: 1px solid rgba(148, 163, 184, 0.2);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: #C7D2FE;
}

.footer-links a:hover {
    color: #6EE7B7;
}

.copyright {
    color: #9CA3AF;
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .features h2,
    .download h2 {
        font-size: 2rem;
    }

    .nav-links {
        gap: 1rem;
        font-size: 0.875rem;
    }

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

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

    .btn {
        width: 100%;
    }

    .legal-page h1 {
        font-size: 2rem;
    }

    .legal-page h2 {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .nav-links {
        gap: 0.75rem;
        font-size: 0.75rem;
    }

    .logo {
        font-size: 1.25rem;
    }

    .logo-icon {
        font-size: 1.5rem;
    }

    .hero {
        padding: 4rem 0;
    }

    .hero h1 {
        font-size: 1.75rem;
    }
}