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

:root {
    --primary-color: #37003c;
    --primary-light: #4a0050;
    --secondary-color: #00ff87;
    --accent-color: #e90052;
    --text-dark: #1a1a1a;
    --text-light: #666;
    --bg-light: #f8f9fa;
    --bg-gray: #e9ecef;
    --white: #ffffff;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 10px 40px rgba(55, 0, 60, 0.2);
    --gradient-primary: linear-gradient(135deg, rgba(55, 0, 60, 0.95) 0%, rgba(98, 0, 99, 0.9) 50%, rgba(74, 0, 80, 0.95) 100%);
    --gradient-accent: linear-gradient(135deg, #00ff87 0%, #00d4ff 100%);
    --gradient-hero: radial-gradient(circle at 20% 20%, rgba(233, 0, 82, 0.08), transparent 55%),
                      radial-gradient(circle at 80% 0%, rgba(0, 255, 135, 0.1), transparent 50%),
                      linear-gradient(135deg, #f8f9fa 0%, #ffffff 50%, #f0f4ff 100%);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Dark Mode */
@media (prefers-color-scheme: dark) {
    :root {
        --text-dark: #e8e8e8;
        --text-light: #b0b0b0;
        --bg-light: #1a1a1a;
        --bg-gray: #252525;
        --white: #0d0d0d;
        --shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
        --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.6);
        --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.7);
        --gradient-hero: radial-gradient(circle at 20% 20%, rgba(233, 0, 82, 0.15), transparent 55%),
                          radial-gradient(circle at 80% 0%, rgba(0, 255, 135, 0.15), transparent 50%),
                          linear-gradient(135deg, #0d0d0d 0%, #1a1a1a 50%, #0f1419 100%);
    }

    body {
        background: radial-gradient(circle at 20% 20%, rgba(233, 0, 82, 0.08), transparent 55%),
                    radial-gradient(circle at 80% 0%, rgba(0, 255, 135, 0.1), transparent 50%),
                    #0d0d0d;
    }

    header {
        background: rgba(13, 13, 13, 0.85);
        backdrop-filter: blur(18px);
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .logo h1 {
        background: var(--gradient-accent);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    .nav-links a {
        color: var(--text-light);
    }

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

    .hero-content h2 {
        background: linear-gradient(135deg, #ffffff 0%, var(--secondary-color) 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    .tagline {
        color: #c0c0c0;
    }

    .subtitle {
        color: var(--text-dark);
    }

    .feature {
        background: linear-gradient(145deg, #1a1a1a 0%, #252525 100%);
        border: 1px solid rgba(0, 255, 135, 0.15);
    }

    .feature:hover {
        border-color: rgba(0, 255, 135, 0.3);
        box-shadow: 0 10px 40px rgba(0, 255, 135, 0.15);
    }

    .feature h3 {
        color: var(--secondary-color);
    }

    .features {
        background: radial-gradient(circle at 30% 50%, rgba(0, 255, 135, 0.03), transparent 60%),
                    radial-gradient(circle at 70% 80%, rgba(233, 0, 82, 0.03), transparent 60%),
                    #0d0d0d;
    }

    .feature {
        background: rgba(18, 18, 18, 0.4) !important;
        border: 1px solid rgba(255, 255, 255, 0.06) !important;
        backdrop-filter: blur(10px);
    }

    .feature::before {
        background: linear-gradient(135deg, rgba(0, 255, 135, 0.1), transparent);
    }

    .feature:hover {
        border-color: rgba(0, 255, 135, 0.3);
        box-shadow: 0 10px 40px rgba(0, 255, 135, 0.15);
        background: linear-gradient(145deg, rgba(26, 26, 26, 0.95) 0%, rgba(37, 37, 37, 0.95) 100%);
    }

    .feature h3 {
        color: #d0d0d0 !important;
        transition: color 0.3s ease;
    }

    .feature:hover h3 {
        color: #ffffff !important;
    }

    .feature p {
        color: #b8b8b8;
        transition: color 0.3s ease;
    }

    .feature:hover p {
        color: #d0d0d0;
    }

    .features h2,
    .download-section h2 {
        background: linear-gradient(135deg, #ffffff 0%, var(--secondary-color) 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    .cta-button {
        background: var(--gradient-accent) !important;
        color: #0d0d0d !important;
        font-weight: 600;
    }

    .cta-button::before {
        background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    }

    .cta-button:hover {
        box-shadow: 0 8px 24px rgba(0, 255, 135, 0.4), 0 0 30px rgba(0, 255, 135, 0.3);
        transform: translateY(-3px);
    }

    .download-section {
        background-color: #0d0d0d;
        background-image: radial-gradient(circle at 50% 50%, rgba(0, 255, 135, 0.05), transparent 70%);
    }

    .download-section > p {
        color: #c0c0c0;
    }

    .requirements {
        color: var(--text-light);
    }

    .trust-section h2 {
        color: #ffffff;
    }

    .stat-label {
        color: #e0e0e0;
    }

    .rating-text {
        color: #b0b0b0;
    }

    footer {
        background: linear-gradient(135deg, rgba(55, 0, 60, 0.95) 0%, rgba(26, 26, 26, 0.95) 100%);
        border-top: 1px solid rgba(0, 255, 135, 0.1);
    }

    .footer-section h4 {
        color: var(--secondary-color);
    }

    .footer-section p,
    .footer-bottom p {
        color: #c0c0c0;
    }
}

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

/* Header & Navigation */
header {
    background-color: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo h1 {
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: 700;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.cta-button {
    background: var(--gradient-primary);
    color: var(--white) !important;
    padding: 0.75rem 1.75rem;
    border-radius: 10px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 12px rgba(55, 0, 60, 0.25), 0 0 0 0 rgba(0, 255, 135, 0);
    position: relative;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 135, 0.3), transparent);
    transition: left 0.5s;
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(55, 0, 60, 0.35), 0 0 20px rgba(0, 255, 135, 0.2);
}

/* Hero Section */
.hero {
    padding: 5rem 0;
    background: var(--gradient-hero);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -20%;
    right: -5%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 255, 135, 0.12) 0%, transparent 70%);
    border-radius: 50%;
    z-index: 0;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content h2 {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    line-height: 1.2;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.tagline {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.subtitle {
    font-size: 1.1rem;
    color: var(--text-dark);
    margin-bottom: 2rem;
    font-weight: 500;
}

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: flex-start;
}

.download-button {
    display: inline-block;
    transition: all 0.3s ease;
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.1));
}

.download-button:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 8px 20px rgba(0, 255, 135, 0.2));
}

.download-button img {
    height: 60px;
    width: auto;
}

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

.stars {
    color: #ffb800;
    font-size: 1.2rem;
    letter-spacing: 2px;
}

.rating-text {
    color: var(--text-light);
    font-size: 0.95rem;
}

.hero-image {
    text-align: center;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 30px 60px rgba(55, 0, 60, 0.25));
    transition: transform 0.3s ease;
}

.hero-image img:hover {
    transform: scale(1.02);
}

/* Features Section */
.features {
    padding: 5rem 0;
    background-color: var(--white);
    transition: background-color 0.3s ease;
}

.features h2 {
    text-align: center;
    font-size: 2.2rem;
    color: var(--primary-color);
    margin-bottom: 3rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature {
    padding: 2.5rem;
    background: linear-gradient(145deg, #ffffff 0%, var(--bg-light) 100%);
    border-radius: 16px;
    border: 1px solid rgba(55, 0, 60, 0.08);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.feature::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 16px;
    padding: 2px;
    background: linear-gradient(135deg, rgba(55, 0, 60, 0.1), transparent);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.feature:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(55, 0, 60, 0.15);
}

.feature:hover::before {
    opacity: 1;
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1.25rem;
    display: inline-block;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 2px 6px rgba(0, 255, 135, 0.3));
}

.feature h3 {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 0.75rem;
}

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

/* Trust Section */
.trust-section {
    padding: 5rem 0;
    background: var(--gradient-primary);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.trust-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    z-index: 0;
}

.trust-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 4rem;
    position: relative;
    z-index: 1;
    font-weight: 700;
}

.trust-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    text-align: center;
    position: relative;
    z-index: 1;
}

.stat {
    padding: 2rem 1rem;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.stat:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, #ffffff 0%, rgba(255, 255, 255, 0.8) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 1.1rem;
    opacity: 0.95;
    font-weight: 500;
}

/* Download Section */
.download-section {
    padding: 5rem 0;
    background-color: var(--bg-light);
    text-align: center;
}

.download-section h2 {
    font-size: 2.2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.download-section > p {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 2rem;
}

.requirements {
    margin-top: 1rem;
    color: var(--text-light);
    font-size: 0.9rem;
}

/* Footer */
footer {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.footer-section p {
    opacity: 0.9;
    line-height: 1.6;
}

.disclaimer {
    font-size: 0.9rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.9;
    transition: opacity 0.3s ease;
}

.social-links a:hover {
    opacity: 1;
    text-decoration: underline;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.8;
}

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

    .hero-content h2 {
        font-size: 2rem;
    }

    .hero-cta {
        align-items: center;
    }

    .hero-image {
        order: -1;
    }

    .nav-links {
        gap: 1rem;
    }

    .nav-links a:not(.cta-button) {
        display: none;
    }

    .features h2 {
        font-size: 1.8rem;
    }

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

    .trust-section h2 {
        font-size: 1.6rem;
    }

    .stat-number {
        font-size: 2.5rem;
    }

    .download-section h2 {
        font-size: 1.8rem;
    }
}

@media (max-width: 480px) {
    .hero-content h2 {
        font-size: 1.6rem;
    }

    .tagline {
        font-size: 1.1rem;
    }

    .logo h1 {
        font-size: 1.2rem;
    }

    .cta-button {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }
}