/* Features Section */
.features {
    background: linear-gradient(180deg, var(--dark-bg) 0%, var(--dark-card) 50%, var(--dark-bg) 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: rgba(26, 31, 46, 0.8);
    backdrop-filter: blur(10px);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid rgba(53, 167, 156, 0.2);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-1);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 15px 40px rgba(53, 167, 156, 0.2);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 1.5rem;
    display: block;
}

.feature-icon svg {
    width: 100%;
    height: 100%;
    fill: var(--primary-color);
}

.feature-card h3 {
    font-family: 'Inter', var(--hp-font-sans);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
    color: var(--primary-light);
}

.feature-card p {
    color: var(--text-gray);
    line-height: 1.8;
}

/* Download Section */
.download {
    background: var(--dark-bg);
}

.platforms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.platform-card {
    background: rgba(26, 31, 46, 0.6);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    border: 2px solid rgba(53, 167, 156, 0.2);
    transition: all 0.3s ease;
    text-decoration: none;
    display: block;
}

.platform-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    background: rgba(26, 31, 46, 0.9);
    box-shadow: 0 10px 30px rgba(53, 167, 156, 0.3);
}

.platform-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    display: block;
}

.platform-icon svg {
    width: 100%;
    height: 100%;
    fill: var(--primary-color);
    transition: all 0.3s ease;
}

.platform-card:hover .platform-icon svg {
    fill: var(--primary-light);
    transform: scale(1.1);
}

.platform-card h3 {
    font-size: 1.3rem;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.platform-card p {
    color: var(--text-gray);
    font-size: 0.9rem;
}

/* About Section */
.about {
    background: var(--dark-card);
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
    font-size: 1.2rem;
    line-height: 2;
    color: var(--text-gray);
}

.about-content p {
    margin-bottom: 1.5rem;
}

/* Privacy Section */
.privacy {
    background: var(--dark-bg);
}

.privacy-content {
    max-width: 900px;
    margin: 0 auto;
}

.privacy-content h3 {
    color: var(--primary-light);
    font-size: 1.5rem;
    margin: 2rem 0 1rem;
}

.privacy-content p {
    color: var(--text-gray);
    margin-bottom: 1rem;
    line-height: 1.8;
}

/* Play Demo Section */
.play-demo {
    background: linear-gradient(180deg, var(--dark-bg) 0%, var(--dark-card) 100%);
    padding: 5rem 0;
}

.demo-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    padding: 3rem;
    margin-top: 3rem;
}

.demo-globe-wrapper {
    position: relative;
}

.play-globe-container {
    width: 100%;
    height: 400px;
    overflow: hidden;
}

.demo-hint {
    text-align: center;
    color: var(--text-gray);
    font-size: 0.85rem;
    margin-top: 1rem;
    font-style: italic;
}

.demo-content h3 {
    font-size: 2rem;
    color: var(--primary-light);
    margin-bottom: 1rem;
}

.demo-content p {
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.demo-features {
    list-style: none;
    margin: 2rem 0;
    padding: 0;
}

.demo-features li {
    color: var(--text-gray);
    padding: 0.75rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.demo-features li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-size: 1.2rem;
}

.demo-features strong {
    color: var(--primary-light);
}

.demo-cta-text {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-top: 2rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

/* Responsive */
@media (max-width: 968px) {
    .demo-card {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .play-globe-container {
        height: 350px;
    }
}

@media (max-width: 768px) {
    .play-globe-container {
        height: 300px;
    }

    .demo-content h3 {
        font-size: 1.5rem;
    }
}