/* HolyCloud V2 - Cloud & VPS Design System */

:root {
    --hc-primary: #2563eb;
    --hc-secondary: #18316A;
    --hc-dark: #0f172a;
    --hc-text: #334155;
    --hc-text-muted: #64748b;
    --hc-bg-light: #f8fafc;
    --hc-white: #ffffff;
    --hc-indigo: #6366f1;
    --hc-success: #10b981;
    --hc-radius: 24px;
}

/* Base Styles */
.section-premium {
    padding: 100px 0;
}

.section-head {
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.75rem;
    font-weight: 800;
    color: var(--hc-dark);
    margin-bottom: 15px;
    letter-spacing: -1px;
}

.section-subtitle {
    font-size: 1.15rem;
    color: var(--hc-primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Hero Section */
.hero-section-cloud {
    background: linear-gradient(135deg, var(--hc-secondary) 0%, #1a2a4d 100%);
    padding: 140px 0 140px;
    color: #fff;
    position: relative;
    overflow: hidden;
}

.hero-section-cloud h1 {
    color: #fff !important;
}

.hero-section-cloud::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 10% 20%, rgba(37, 99, 235, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(99, 102, 241, 0.15) 0%, transparent 40%);
    pointer-events: none;
}

.hero-section-cloud::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><rect width="100" height="100" fill="none" stroke="rgba(255,255,255,0.03)" stroke-width="1"/></svg>');
    opacity: 0.5;
    pointer-events: none;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 8px 18px;
    border-radius: 99px;
    font-size: 0.9rem;
    font-weight: 600;
    border: 1px solid rgba(255, 255, 255, 0.2);
    margin-bottom: 25px;
}

.hero-desc-premium {
    font-size: 1.1rem;
    color: #cbd5e1;
    max-width: 850px;
    margin: 0 auto 40px;
    line-height: 1.6;
}

/* Pricing Grid */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: -70px;
    position: relative;
    z-index: 10;
}

.vps-card {
    background: #fff;
    border-radius: var(--hc-radius);
    border: 1px solid #f1f5f9;
    padding: 35px 25px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}

.vps-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 20px 50px rgba(37, 99, 235, 0.12);
    border-color: var(--hc-primary);
}

.vps-card.popular {
    border: 2px solid var(--hc-primary);
    position: relative;
}

.popular-tag {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--hc-primary);
    color: #fff;
    padding: 6px 20px;
    border-radius: 99px;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
}

.vps-card-head {
    text-align: center;
    margin-bottom: 30px;
}

.vps-name {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--hc-dark);
    margin-bottom: 10px;
}

.vps-price {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--hc-primary);
    line-height: 1;
    white-space: nowrap;
}

.vps-price span {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--hc-text-muted);
}

.vps-specs {
    list-style: none;
    padding: 0;
    margin: 0 0 25px;
}

.vps-specs li {
    padding: 12px 0;
    border-bottom: 1px solid #f1f5f9;
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--hc-text);
    font-weight: 500;
}

.vps-specs li i {
    color: var(--hc-primary);
    width: 20px;
}

.btn-order-vps {
    background: var(--hc-primary);
    color: #fff;
    text-align: center;
    padding: 15px;
    border-radius: 16px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s;
    display: block;
}

.btn-order-vps:hover {
    background: var(--hc-secondary);
    color: #fff;
    transform: scale(1.02);
}

.vps-card.popular .btn-order-vps {
    background: var(--hc-secondary);
}

/* Features Grid */
.feature-card {
    background: #fff;
    border-radius: 20px;
    padding: 35px;
    border: 1px solid #f1f5f9;
    transition: all 0.3s;
    height: 100%;
}

.feature-card:hover {
    border-color: var(--hc-primary);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: #f1f5f9;
    color: var(--hc-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 20px;
    transition: all 0.3s;
}

.feature-card:hover .feature-icon {
    background: var(--hc-primary);
    color: #fff;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--hc-dark);
}

.feature-card p {
    color: var(--hc-text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}

.interface-showcase {
    background: #fff;
    border-radius: 32px;
    border: 1px solid #f1f5f9;
    padding: 60px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.03);
}

.nav-item-custom {
    padding: 24px;
    border-radius: 20px;
    background: #fff;
    border: 2px solid #f1f5f9;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 15px;
}

.nav-item-custom.active {
    background: #f8fafc;
    border-color: #2563eb;
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.08);
}

.nav-item-custom .icon-box {
    width: 48px;
    height: 48px;
    background: #f1f5f9;
    color: #2563eb;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.nav-item-custom.active .icon-box {
    background: #2563eb;
    color: #fff;
}

.interface-desc {
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.preview-container {
    background: #f8fafc;
    padding: 20px;
    border-radius: 32px;
    border: 1px solid #e2e8f0;
}

.preview-inner {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* OS Section */
.os-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
}

.os-card {
    background: #fff;
    padding: 25px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid #f1f5f9;
    transition: all 0.3s;
}

.os-card img {
    height: 50px;
    width: auto;
    filter: grayscale(1);
    opacity: 0.6;
    transition: all 0.3s;
}

.os-card:hover img {
    filter: grayscale(0);
    opacity: 1;
    transform: scale(1.1);
}

.storage-visual {
    padding: 60px;
    background: #fff;
    border-radius: 40px;
    border: 1px solid #f1f5f9;
    position: relative;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.03);
}

.storage-icon-large {
    font-size: 120px;
    color: var(--hc-primary);
    position: relative;
    z-index: 2;
}

.storage-pulse {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 150px;
    height: 150px;
    background: var(--hc-primary);
    border-radius: 50%;
    opacity: 0.1;
    animation: storage-pulse 3s infinite;
    z-index: 1;
}

@keyframes storage-pulse {
    0% {
        transform: translate(-50%, -50%) scale(0.8);
        opacity: 0.2;
    }

    50% {
        transform: translate(-50%, -50%) scale(1.2);
        opacity: 0.05;
    }

    100% {
        transform: translate(-50%, -50%) scale(0.8);
        opacity: 0.2;
    }
}

/* FAQ */
.faq-ultra-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.faq-ultra-card {
    background: #fff;
    border-radius: 20px;
    border: 1px solid #f1f5f9;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-ultra-card:hover {
    border-color: var(--hc-primary);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.faq-ultra-question {
    width: 100%;
    padding: 25px 30px;
    background: none;
    border: none;
    display: flex;
    align-items: center;
    gap: 20px;
    text-align: left;
    font-weight: 700;
    color: var(--hc-dark);
    font-size: 1.1rem;
    cursor: pointer;
    position: relative;
    transition: all 0.3s;
}

.faq-ultra-icon {
    width: 38px;
    height: 38px;
    background: #f1f5f9;
    color: var(--hc-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.3s;
}

.faq-ultra-question:not(.collapsed) .faq-ultra-icon {
    background: var(--hc-primary);
    color: #fff;
}

.faq-ultra-arrow {
    margin-left: auto;
    transition: transform 0.3s ease;
    color: var(--hc-text-muted);
}

.faq-ultra-question:not(.collapsed) .faq-ultra-arrow {
    transform: rotate(180deg);
    color: var(--hc-primary);
}

.faq-ultra-answer {
    padding: 0 30px 25px 88px;
    color: var(--hc-text-muted);
    line-height: 1.7;
    font-size: 1rem;
}

/* Responsive */
@media (max-width: 991px) {
    .interface-showcase {
        padding: 30px 20px;
    }
}