/* Home Page Styles */

.home-page {
    min-height: 100vh;
}

/* Navbar */
.home-navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-sticky);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    padding: var(--space-md) 0;
}

.home-navbar .container {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
    align-items: center;
    gap: var(--space-lg);
}

.home-navbar .logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    justify-self: start;
    min-width: 0; /* Cho phép grid thu nhỏ cột, tránh tràn */
}

.home-navbar .logo img {
    height: 36px;
    width: auto;
    max-width: 100%;
    object-fit: contain;
}

.home-navbar .logo span {
    font-size: var(--font-size-xl);
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.home-navbar .nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    justify-self: center;
}

.home-navbar .nav-link {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--gray-600);
    position: relative;
    padding-bottom: 6px;
    transition: color var(--transition-fast);
}

.home-navbar .nav-link:hover {
    color: var(--primary-blue);
}

.home-navbar .nav-link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-fast);
}

.home-navbar .nav-link:hover::after,
.home-navbar .nav-link:focus-visible::after {
    transform: scaleX(1);
}

.price-period-tabs {
    margin-top: var(--space-md);
    display: inline-flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.price-period-tabs .period-btn {
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    border: 1px solid var(--gray-300);
    background: var(--white);
    color: var(--gray-600);
    font-size: var(--font-size-xs);
    font-weight: 600;
    transition: all var(--transition-fast);
}

.price-period-tabs .period-btn:hover {
    border-color: var(--primary-blue);
    color: var(--primary-blue);
}

.price-period-tabs .period-btn.active {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-dark));
    border-color: transparent;
    color: var(--white);
}

/* Banner khuyến mãi (sau nav fixed): đẩy xuống dưới nav; z-index cao hơn hero để không bị lớp gradient hero che */
.home-page > .deposit-promo-home-wrap {
    padding-top: calc(5.5rem + env(safe-area-inset-top, 0px));
    position: relative;
    z-index: 20;
    isolation: isolate;
}

/* Khi có banner, hero-section không cần padding-top riêng nữa */
.home-page > .deposit-promo-home-wrap + .hero-section {
    padding-top: 40px;
}

@media (max-width: 900px) {
    .home-page > .deposit-promo-home-wrap {
        padding-top: calc(6.25rem + env(safe-area-inset-top, 0px));
    }

    .hero-section {
        padding-top: calc(6.25rem + env(safe-area-inset-top, 0px) + 40px);
    }

    .home-page > .deposit-promo-home-wrap + .hero-section {
        padding-top: 40px;
    }
}

.home-navbar .nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    justify-self: end;
    justify-content: flex-end;
}

/* GPU Slideshow */
.gpu-slideshow {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
    overflow: hidden;
    padding: var(--space-lg) 0;
}

.gpu-slideshow-track {
    display: flex;
    animation: gpu-scroll 60s linear infinite;
    width: max-content;
}

.gpu-slide-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-xl);
    margin: 0 var(--space-md);
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-full);
    border: 1px solid rgba(255, 255, 255, 0.2);
    white-space: nowrap;
    transition: all var(--transition-fast);
}

.gpu-slide-item:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: scale(1.05);
}

.gpu-slide-item i {
    color: var(--primary-green);
    font-size: var(--font-size-lg);
}

.gpu-name {
    color: var(--white);
    font-weight: 600;
    font-size: var(--font-size-sm);
}

.gpu-vram {
    color: #fff;
    font-size: var(--font-size-xs);
    padding: 2px 8px;
    background: #77b900;
    border-radius: var(--radius-sm);
}

@keyframes gpu-scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

/* Hero Section (z-index thấp hơn banner promo ngay phía trên, tránh che banner) */
/* padding-top mặc định = offset navbar fixed, khi có banner sẽ bị ghi đè bởi sibling selector ở trên */
.hero-section {
    padding: calc(5.5rem + env(safe-area-inset-top, 0px) + 40px) 0 80px;
    background: linear-gradient(135deg, rgba(4, 89, 180, 0.05) 0%, rgba(118, 188, 28, 0.05) 100%);
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -200px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(4, 89, 180, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-section::after {
    content: '';
    position: absolute;
    bottom: -100px;
    left: -100px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(118, 188, 28, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) var(--space-md);
    background: linear-gradient(135deg, rgba(4, 89, 180, 0.1), rgba(118, 188, 28, 0.1));
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--primary-blue);
    margin-bottom: var(--space-lg);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--gray-900);
    line-height: 1.2;
    margin-bottom: var(--space-lg);
}

.hero-title span {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--gray-600);
    margin-bottom: var(--space-2xl);
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-3xl);
    margin-top: var(--space-3xl);
}

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

.hero-stat-value {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--primary-blue);
}

.hero-stat-label {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
}

/* Features Section */
.features-section {
    padding: 40px 0;
    background: var(--white);
}

.section-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-3xl);
    gap: var(--space-sm);
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-md);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--gray-500);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

@media (max-width: 768px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
}

.feature-card {
    padding: var(--space-xl);
    background: var(--gray-50);
    border-radius: var(--radius-xl);
    text-align: center;
    transition: all var(--transition-fast);
}

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

.feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-lg);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.feature-icon.blue {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-dark));
    color: var(--white);
}

.feature-icon.green {
    background: linear-gradient(135deg, var(--primary-green), var(--primary-green-dark));
    color: var(--white);
}

.feature-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: var(--space-sm);
}

.feature-desc {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
    line-height: 1.6;
}

/* Pre-installed Libraries Section */
.preinstalled-section {
    padding: 40px 0;
    background: linear-gradient(180deg, var(--white) 0%, rgba(4, 89, 180, 0.04) 100%);
}

.preinstalled-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) var(--space-md);
    background: linear-gradient(135deg, rgba(118, 188, 28, 0.12), rgba(4, 89, 180, 0.12));
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--primary-green);
    margin-bottom: var(--space-sm);
}

.preinstalled-badge i {
    font-size: var(--font-size-base);
}

.preinstalled-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

.preinstalled-card {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--white);
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
    transition: all 0.3s ease;
    cursor: default;
}

.preinstalled-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
    border-color: transparent;
}

.preinstalled-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--white);
}

.preinstalled-info h4 {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 2px;
}

.preinstalled-info p {
    font-size: var(--font-size-xs);
    color: var(--gray-500);
    line-height: 1.4;
}

.preinstalled-card-more {
    border-style: dashed;
    border-color: var(--gray-300);
}

.preinstalled-card-more:hover {
    border-style: solid;
    border-color: var(--primary-blue);
}

@media (max-width: 1024px) {
    .preinstalled-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .preinstalled-grid {
        grid-template-columns: 1fr;
    }
}

/* Packages Section */
.packages-section {
    padding: 40px 0;
    background: linear-gradient(135deg, rgba(4, 89, 180, 0.03) 0%, rgba(118, 188, 28, 0.03) 100%);
}

/* CTA Section */
.cta-section {
    padding: 40px 0;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-dark));
    color: var(--white);
    text-align: center;
}

.cta-title {
    color: #ffffff;
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.cta-subtitle {
    font-size: var(--font-size-lg);
    opacity: 0.9;
    margin-bottom: var(--space-xl);
}

.cta-btn {
    background: var(--white);
    color: var(--primary-blue);
    padding: var(--space-md) var(--space-2xl);
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.cta-btn:hover {
    background: var(--gray-100);
    transform: translateY(-2px);
}

/* FAQ Section */
.home-faq-section {
    padding: 40px 0;
    background: var(--white);
}

.home-faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.home-faq-item {
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: box-shadow var(--transition-fast);
}

.home-faq-item:hover {
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
}

.home-faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    font-size: var(--font-size-md);
    font-weight: 600;
    color: var(--gray-800);
    transition: color var(--transition-fast);
}

.home-faq-question:hover {
    color: var(--primary-blue);
}

.home-faq-question i {
    font-size: var(--font-size-sm);
    color: var(--gray-400);
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.home-faq-item.open .home-faq-question i {
    transform: rotate(180deg);
    color: var(--primary-blue);
}

.home-faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.home-faq-item.open .home-faq-answer {
    max-height: 200px;
}

.home-faq-answer p {
    padding: 0 var(--space-lg) var(--space-lg);
    font-size: var(--font-size-sm);
    color: var(--gray-500);
    line-height: 1.7;
    margin: 0;
}

/* Footer */
.home-footer {
    padding: var(--space-2xl) 0;
    background: var(--gray-900);
    color: var(--gray-400);
}

.home-footer .container {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.home-footer .footer-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.home-footer .logo span {
    color: var(--white);
}

.home-footer .footer-links {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    padding: var(--space-md) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    flex-wrap: wrap;
}

.home-footer .footer-links a {
    font-size: var(--font-size-sm);
    color: var(--gray-400);
    transition: color var(--transition-fast);
    text-decoration: none;
    position: relative;
    padding-right: var(--space-lg);
}

.home-footer .footer-links a:not(:last-child)::after {
    content: '·';
    position: absolute;
    right: 0;
    color: var(--gray-600);
    font-weight: 700;
}

.home-footer .footer-links a:hover {
    color: var(--white);
}

.home-footer .footer-bottom {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
}

.home-footer .social-links {
    display: flex;
    gap: var(--space-md);
}

.home-footer .social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: all var(--transition-fast);
}

.home-footer .social-links a:hover {
    background: var(--primary-blue);
}

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--space-lg);
    }
    
    .home-navbar .nav-links {
        display: none;
    }

    .home-navbar .logo img {
        height: 32px;
    }
}

/* Home package price tags */
.package-price-tags {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.price-tag {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    padding: var(--space-xs) var(--space-sm);
    text-align: center;
    font-size: var(--font-size-xs);
    color: var(--gray-600);
    min-width: 0;
}

.price-tag strong {
    display: block;
    margin-top: 2px;
    font-size: 11px;
    line-height: 1.2;
    color: var(--gray-800);
    overflow-wrap: anywhere;
    word-break: break-word;
}

.price-tag.active {
    border-color: var(--primary-blue);
    box-shadow: 0 2px 6px rgba(4, 89, 180, 0.15);
}

@media (max-width: 1024px) {
    .package-price-tags {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}