/* ============================================
   Product Detail Pages
   ============================================ */

/* --- Product Hero --- */
.product-hero {
    position: relative;
    height: 480px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    color: var(--white);
}

.product-hero-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.9) 0%, rgba(26, 86, 219, 0.8) 100%);
    z-index: 1;
}

.product-hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 700px;
    padding: 0 24px;
}

.product-hero-icon {
    width: 72px;
    height: 72px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 1.8rem;
}

.product-hero-content h1 {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.product-hero-content p {
    font-size: 1.2rem;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.7;
}

/* --- Product Overview --- */
.product-overview {
    padding: 100px 0;
    background: var(--white);
}

.overview-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.overview-text h2 {
    margin-bottom: 24px;
}

.overview-text p {
    font-size: 1.05rem;
    color: var(--gray-500);
    margin-bottom: 16px;
    line-height: 1.8;
}

.overview-image img {
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
}

/* --- Features Section --- */
.product-features-section {
    padding: 100px 0;
    background: var(--gray-100);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.feature-card {
    background: var(--white);
    padding: 36px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    background: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.3rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 10px;
}

.feature-card p {
    font-size: 0.93rem;
    color: var(--gray-500);
    line-height: 1.7;
}

/* --- How It Works --- */
.how-it-works {
    padding: 100px 0;
    background: var(--white);
}

.steps-grid {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 24px;
    max-width: 900px;
    margin: 0 auto;
}

.step {
    flex: 1;
    text-align: center;
    padding: 20px;
}

.step-number {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--white);
    font-size: 1.4rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.step h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 10px;
}

.step p {
    font-size: 0.93rem;
    color: var(--gray-500);
    line-height: 1.7;
}

.step-arrow {
    display: flex;
    align-items: center;
    padding-top: 36px;
    color: var(--gray-300);
    font-size: 1.3rem;
}

/* --- CTA Section --- */
.product-cta {
    padding: 80px 0;
    background: var(--gray-100);
}

.cta-box {
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 100%);
    border-radius: 20px;
    padding: 64px;
    text-align: center;
    color: var(--white);
}

.cta-box h2 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 12px;
}

.cta-box p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 32px;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-outline-dark {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.4);
}

.btn-outline-dark:hover {
    background: var(--white);
    color: var(--dark);
    border-color: var(--white);
    transform: translateY(-2px);
}

/* --- Responsive --- */
@media (max-width: 992px) {
    .product-hero-content h1 {
        font-size: 2.25rem;
    }

    .overview-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .cta-box {
        padding: 48px 32px;
    }
}

@media (max-width: 768px) {
    .product-hero {
        height: 400px;
    }

    .product-hero-content h1 {
        font-size: 1.85rem;
    }

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

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

    .step-arrow {
        transform: rotate(90deg);
        padding-top: 0;
    }

    .cta-box {
        padding: 40px 24px;
    }

    .cta-box h2 {
        font-size: 1.5rem;
    }
}