:root {
    --primary: #E10613;
    --secondary: #1A1A1A;
    --accent: #4CAF50;
    --bg: #000000;
    --alt-bg: #121212;
    --text: #ECECEC;
    --font: 'Montserrat', sans-serif;
}

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

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.section {
    padding: 80px 0;
    background: var(--bg);
}

.alt-bg {
    background: var(--alt-bg);
}

h2 {
    text-align: center;
    font-size: 2.8rem;
    margin-bottom: 20px;
    position: relative;
    color: var(--text);
}

h2::after {
    content: '';
    width: 60px;
    height: 4px;
    background: var(--primary);
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
}

.lead {
    text-align: center;
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto 40px;
    opacity: 0;
    animation: fadeIn 1s forwards;
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

#hero {
    position: relative;
    height: 100vh;
    background: url('hero-bg.jpg') center/cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

#hero .overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
}

.hero-content {
    position: relative;
    z-index: 1;
    animation: fadeInDown 1s ease-out;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-icon {
    width: 120px;
    animation: popIn 0.8s ease-out;
}

@keyframes popIn {
    from {
        transform: scale(0);
    }

    to {
        transform: scale(1);
    }
}

.hero-title {
    font-size: 4rem;
    color: var(--text);
    margin: 20px 0 10px;
}

.hero-subtitle {
    font-size: 1.4rem;
    color: var(--text);
    margin-bottom: 30px;
}

.btn {
    display: inline-block;
    text-decoration: none;
    font-weight: 600;
}

.download-btn {
    padding: 15px 30px;
    background: var(--primary);
    color: var(--text);
    border-radius: 30px;
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

.cards {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
}

.card {
    background: var(--secondary);
    flex: 1 1 250px;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.5);
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s forwards;
}

.card:nth-child(1) {
    animation-delay: 0.2s;
}

.card:nth-child(2) {
    animation-delay: 0.4s;
}

.card:nth-child(3) {
    animation-delay: 0.6s;
}

.card:nth-child(4) {
    animation-delay: 0.8s;
}

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

.progress-list {
    list-style: none;
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.1rem;
}

.progress-list li {
    margin: 15px 0;
    padding-left: 20px;
    position: relative;
    color: var(--text);
}

.progress-list li::before {
    content: '✔';
    position: absolute;
    left: 0;
    color: var(--accent);
}

.feature-list {
    list-style: none;
    max-width: 700px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.feature-list li {
    padding-left: 20px;
    position: relative;
    color: var(--text);
}

.feature-list li::before {
    content: '★';
    position: absolute;
    left: 0;
    color: var(--accent);
}

.screenshot-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.screenshot-grid img {
    width: 100%;
    border-radius: 10px;
    transform: scale(0.95);
    animation: fadeInUp 1s ease-in-out both;
}

.testimonial-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    justify-content: center;
}

.testimonial {
    background: var(--secondary);
    padding: 30px;
    border-radius: 10px;
    max-width: 400px;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.5);
    opacity: 0;
    transform: scale(0.95);
    animation: fadeIn 0.8s forwards;
}

.testimonial:nth-child(1) {
    animation-delay: 0.3s;
}

.testimonial:nth-child(2) {
    animation-delay: 0.5s;
}

blockquote {
    font-style: italic;
    margin-bottom: 15px;
    color: var(--text);
}

cite {
    display: block;
    text-align: right;
    font-weight: 600;
    color: var(--text);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

details {
    background: var(--secondary);
    padding: 20px;
    margin-bottom: 15px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}

summary {
    font-weight: 600;
    cursor: pointer;
    color: var(--text);
}

.section-footer {
    background: var(--secondary);
    color: var(--text);
    text-align: center;
    padding: 40px 0;
}

.social-links {
    margin-top: 15px;
}

.social-links a {
    margin: 0 10px;
}

.social-links img {
    width: 24px;
    filter: brightness(0) invert(1);
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 3rem;
    }

    .feature-list {
        grid-template-columns: 1fr;
    }

    .testimonial-grid {
        flex-direction: column;
        align-items: center;
    }
}