/* GPU-Servers.net V2 - Professional White Theme Styles */

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 90px;
}

body {
    background-color: #ffffff;
    color: #1e293b;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

/* Container */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Preloader */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.5s, visibility 0.5s;
}

#preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.preloader-content {
    text-align: center;
}

.preloader-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 32px;
    font-size: 26px;
    font-weight: 800;
    color: #0f172a;
    letter-spacing: -0.5px;
}

.preloader-logo .logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    animation: pulse 2s infinite;
}

.loading-bar {
    width: 240px;
    height: 4px;
    background: #e2e8f0;
    border-radius: 2px;
    overflow: hidden;
}

.loading-progress {
    height: 100%;
    background: linear-gradient(90deg, #3b82f6, #1d4ed8);
    border-radius: 2px;
    animation: loading 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes loading {
    0% { width: 0%; }
    50% { width: 70%; }
    100% { width: 100%; }
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid #e2e8f0;
    transition: all 0.3s;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 0;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: #0f172a;
    transition: all 0.3s;
    position: relative;
}

.logo:hover {
    transform: translateY(-2px);
}

.logo-text-only {
    font-size: 22px;
    font-weight: 900;
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -1px;
}

.preloader-text {
    font-size: 28px;
    font-weight: 900;
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -1px;
}

.footer-logo-text {
    font-size: 20px;
    font-weight: 900;
    color: #ffffff;
    letter-spacing: -1px;
}

.logo-wrapper {
    display: flex;
    align-items: center;
    gap: 14px;
}

.logo-icon-new {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-icon-new svg {
    filter: drop-shadow(0 2px 8px rgba(59, 130, 246, 0.3));
    transition: all 0.3s;
}

.logo:hover .logo-icon-new svg {
    filter: drop-shadow(0 4px 12px rgba(59, 130, 246, 0.5));
    transform: scale(1.05);
}

.logo-text-wrapper {
    display: flex;
    align-items: baseline;
    gap: 2px;
}

.logo-text-main {
    font-size: 20px;
    font-weight: 800;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, #0f172a 0%, #3b82f6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-text-suffix {
    font-size: 20px;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: #3b82f6;
}

.logo-icon {
    height: 32px;
    display: flex;
    align-items: center;
}

.logo-text {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    color: #64748b;
    font-size: 15px;
    font-weight: 500;
    text-decoration: none;
    position: relative;
    border-radius: 8px;
    transition: all 0.3s;
}

.nav-link:hover {
    color: #0f172a;
    background: #f8fafc;
}

.nav-icon {
    width: 18px;
    height: 18px;
    opacity: 0.7;
    transition: opacity 0.3s;
}

.nav-link:hover .nav-icon {
    opacity: 1;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 18px;
    right: 18px;
    height: 2px;
    background: #3b82f6;
    transform: scaleX(0);
    transition: transform 0.3s;
}

.nav-link:hover::after {
    transform: scaleX(1);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: transparent;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
}

.mobile-menu-toggle:hover {
    background: #f8fafc;
    border-color: #3b82f6;
}

.mobile-menu-toggle i {
    width: 22px;
    height: 22px;
    color: #64748b;
}

.mobile-nav {
    display: none;
    flex-direction: column;
    background: #ffffff;
    border-top: 1px solid #e2e8f0;
    padding: 16px 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.mobile-nav.active {
    display: flex;
}

.mobile-nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 24px;
    color: #475569;
    font-size: 16px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s;
}

.mobile-nav-link:hover {
    background: #f8fafc;
    color: #0f172a;
}

.mobile-nav-link i {
    width: 20px;
    height: 20px;
}

.mobile-nav-divider {
    height: 1px;
    background: #e2e8f0;
    margin: 8px 24px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 22px;
    border: none;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    color: #fff;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.35);
}

.btn-outline {
    background: transparent;
    color: #3b82f6;
    border: 2px solid #e2e8f0;
}

.btn-outline:hover {
    background: #f8fafc;
    border-color: #3b82f6;
}

.btn-ghost {
    background: transparent;
    color: #475569;
    border: 2px solid #e2e8f0;
}

.btn-ghost:hover {
    background: #f8fafc;
    border-color: #cbd5e1;
    color: #0f172a;
}

.btn-secondary {
    background: #f8fafc;
    color: #475569;
    border: 2px solid #e2e8f0;
}

.btn-secondary:hover {
    background: #ffffff;
    border-color: #cbd5e1;
}

.btn-large {
    padding: 14px 28px;
    font-size: 16px;
}

.btn-sm {
    padding: 6px 16px;
    font-size: 13px;
}

.btn-block {
    width: 100%;
}

/* Hero Section */
.hero {
    padding: 140px 0 120px;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 50%, #dbeafe 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.06) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(59, 130, 246, 0.3);
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
    color: #3b82f6;
    margin-bottom: 24px;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.1);
}

.badge-icon {
    font-size: 18px;
}

.hero-title {
    font-size: 68px;
    font-weight: 900;
    line-height: 1.1;
    color: #0f172a;
    margin-bottom: 28px;
    letter-spacing: -2px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.02);
}

.gradient-text {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 19px;
    color: #475569;
    line-height: 1.7;
    margin-bottom: 48px;
    max-width: 750px;
    margin-left: auto;
    margin-right: auto;
}

.hero-features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 48px;
}

.feature-badge {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px 24px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(226, 232, 240, 0.6);
    border-radius: 16px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
    transition: all 0.3s;
}

.feature-badge i {
    color: #3b82f6;
    flex-shrink: 0;
}

.feature-label {
    font-size: 11px;
    color: #64748b;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 2px;
}

.feature-value {
    font-size: 15px;
    font-weight: 700;
    color: #0f172a;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

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

.hero-trust p {
    font-size: 14px;
    color: #64748b;
    margin-bottom: 16px;
}

.payment-methods {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.payment-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(8px);
    border: 2px solid rgba(226, 232, 240, 0.6);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    color: #475569;
    transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
    cursor: default;
}

.payment-badge:hover {
    border-color: #3b82f6;
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.15);
}

.payment-badge i {
    color: #3b82f6;
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-title {
    font-size: 48px;
    font-weight: 800;
    color: #0f172a;
    margin-bottom: 16px;
    letter-spacing: -1px;
}

.section-subtitle {
    font-size: 19px;
    color: #64748b;
    max-width: 700px;
    margin: 0 auto;
}

/* Infrastructure Section */
.infrastructure {
    padding: 100px 0;
    background: #ffffff;
}

.infrastructure-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: 32px;
}

.infra-card {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 20px;
    padding: 40px;
    transition: all 0.3s;
}

.infra-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.06);
    border-color: #3b82f6;
}

.infra-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: #fff;
}

.infra-card h3 {
    font-size: 24px;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 12px;
}

.infra-card p {
    color: #64748b;
    line-height: 1.7;
    margin-bottom: 24px;
}

.infra-features {
    list-style: none;
}

.infra-features li {
    padding: 8px 0;
    color: #475569;
    font-size: 15px;
}

/* GPU Models Section */
.gpu-models {
    padding: 100px 0;
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.gpu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.gpu-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(8px);
    border: 2px solid rgba(226, 232, 240, 0.6);
    border-radius: 20px;
    padding: 32px;
    transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}

.gpu-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    border-color: #3b82f6;
}

.gpu-card.featured {
    border-color: #3b82f6;
    border-width: 2px;
    background: linear-gradient(135deg, #eff6ff 0%, #ffffff 100%);
}

.gpu-card.enterprise {
    border-color: #8b5cf6;
}

.gpu-card.flagship {
    border-color: #f59e0b;
    background: linear-gradient(135deg, #fef3c7 0%, #ffffff 100%);
}

.gpu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.gpu-brand {
    font-size: 12px;
    font-weight: 700;
    color: #76b900;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.gpu-badge {
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.gpu-badge.popular {
    background: #dbeafe;
    color: #1e40af;
}

.gpu-badge.budget {
    background: #dcfce7;
    color: #166534;
}

.gpu-badge.enterprise {
    background: #e9d5ff;
    color: #6b21a8;
}

.gpu-badge.flagship {
    background: #fed7aa;
    color: #9a3412;
}

.gpu-name {
    font-size: 26px;
    font-weight: 800;
    color: #0f172a;
    margin-bottom: 8px;
}

.gpu-desc {
    color: #64748b;
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 24px;
}

.gpu-specs {
    margin-bottom: 24px;
}

.spec-row {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid #e2e8f0;
}

.spec-row:last-child {
    border-bottom: none;
}

.spec-label {
    color: #64748b;
    font-size: 13px;
    font-weight: 500;
}

.spec-value {
    color: #0f172a;
    font-size: 13px;
    font-weight: 700;
}

.gpu-use-cases {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.use-case-tag {
    padding: 6px 12px;
    background: #f1f5f9;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    color: #475569;
}

/* Configurations Section */
.configurations {
    padding: 100px 0;
    background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
}

.config-tabs {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-bottom: 48px;
}

.config-tab {
    padding: 12px 28px;
    background: #f8fafc;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    color: #64748b;
    cursor: pointer;
    transition: all 0.3s;
}

.config-tab:hover {
    background: #ffffff;
    border-color: #cbd5e1;
}

.config-tab.active {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    color: #fff;
    border-color: #3b82f6;
}

.config-content {
    display: none;
}

.config-content.active {
    display: block;
}

.config-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.config-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(226, 232, 240, 0.8);
    border-radius: 20px;
    padding: 32px;
    transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
    position: relative;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.config-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    border-color: #3b82f6;
}

.config-card.featured {
    border-color: #3b82f6;
    border-width: 3px;
    background: linear-gradient(135deg, rgba(239, 246, 255, 0.98) 0%, rgba(255, 255, 255, 0.98) 100%);
    backdrop-filter: blur(10px);
}

.config-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 6px 14px;
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    color: #fff;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 700;
}

.config-header {
    margin-bottom: 24px;
}

.config-header h3 {
    font-size: 24px;
    font-weight: 800;
    color: #0f172a;
    margin-bottom: 16px;
}

.config-price {
    display: flex;
    align-items: baseline;
    gap: 6px;
}

.price-amount {
    font-size: 36px;
    font-weight: 900;
    color: #3b82f6;
}

.price-period {
    font-size: 16px;
    color: #64748b;
    font-weight: 500;
}

.config-gpu {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: #f8fafc;
    border-radius: 12px;
    margin-bottom: 24px;
}

.gpu-icon {
    font-size: 32px;
}

.gpu-model {
    font-size: 16px;
    font-weight: 700;
    color: #0f172a;
}

.gpu-memory {
    font-size: 14px;
    color: #64748b;
}

.config-specs-list {
    margin-bottom: 24px;
}

.config-spec {
    display: flex;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid #e2e8f0;
}

.config-spec:last-child {
    border-bottom: none;
}

.spec-icon {
    font-size: 20px;
}

.spec-name {
    font-size: 12px;
    color: #64748b;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.spec-detail {
    font-size: 14px;
    color: #0f172a;
    font-weight: 500;
    margin-top: 2px;
}

.config-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    margin-bottom: 24px;
}

.feature-item {
    font-size: 13px;
    color: #475569;
    font-weight: 500;
}

/* Custom Builder */
.custom-builder {
    background: #f8fafc;
    border: 2px solid #e2e8f0;
    border-radius: 20px;
    padding: 48px;
}

.builder-section h3 {
    font-size: 32px;
    font-weight: 800;
    color: #0f172a;
    margin-bottom: 16px;
}

.builder-section p {
    font-size: 18px;
    color: #64748b;
    margin-bottom: 40px;
}

.custom-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 48px;
}

.custom-option {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    padding: 28px;
}

.custom-option h4 {
    font-size: 20px;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 16px;
}

.custom-option ul {
    list-style: none;
}

.custom-option li {
    padding: 8px 0;
    color: #475569;
    font-size: 15px;
}

.custom-cta {
    text-align: center;
    padding: 40px;
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    border-radius: 16px;
}

.custom-cta h4 {
    font-size: 28px;
    font-weight: 800;
    color: #0f172a;
    margin-bottom: 12px;
}

.custom-cta p {
    font-size: 16px;
    color: #64748b;
    margin-bottom: 24px;
}

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

/* Pricing Comparison */
.pricing-compare {
    padding: 100px 0;
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    margin-bottom: 64px;
}

.pricing-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(226, 232, 240, 0.8);
    border-radius: 20px;
    padding: 32px;
    transition: all 0.3s;
    position: relative;
}

.pricing-card.featured {
    border-color: #3b82f6;
    border-width: 3px;
    background: linear-gradient(135deg, rgba(239, 246, 255, 0.98) 0%, rgba(255, 255, 255, 0.98) 100%);
    transform: scale(1.05);
    box-shadow: 0 8px 32px rgba(59, 130, 246, 0.15);
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
    border-color: #3b82f6;
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-4px);
}

.popular-badge {
    position: absolute;
    top: -12px;
    right: 24px;
    padding: 6px 16px;
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    color: #ffffff;
    font-size: 12px;
    font-weight: 700;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pricing-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 2px solid #e2e8f0;
}

.pricing-header h3 {
    font-size: 24px;
    font-weight: 800;
    color: #0f172a;
}

.vram-badge {
    padding: 6px 12px;
    background: #dbeafe;
    color: #1e40af;
    font-size: 12px;
    font-weight: 700;
    border-radius: 8px;
}

.vram-badge.enterprise {
    background: #e9d5ff;
    color: #6b21a8;
}

.pricing-price {
    margin-bottom: 24px;
}

.price-main {
    font-size: 42px;
    font-weight: 900;
    color: #3b82f6;
    line-height: 1;
    margin-bottom: 8px;
}

.price-main span {
    font-size: 18px;
    color: #64748b;
    font-weight: 600;
}

.price-hourly {
    font-size: 14px;
    color: #64748b;
    font-weight: 500;
}

.pricing-specs {
    background: #f8fafc;
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 20px;
}

.spec-row-small {
    display: flex;
    align-items: flex-start;
    padding: 8px 0;
    font-size: 13px;
    color: #475569;
    line-height: 1.4;
}

.spec-row-small strong {
    color: #0f172a;
    font-weight: 600;
    min-width: 75px;
    flex-shrink: 0;
}

.pricing-features {
    margin-bottom: 24px;
}

.feature-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 0;
    font-size: 14px;
    color: #475569;
}

.feature-row i {
    color: #10b981;
    flex-shrink: 0;
    width: 18px;
    height: 18px;
}

.pricing-notes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.note-item {
    display: flex;
    gap: 16px;
    padding: 24px;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
}

.note-icon {
    font-size: 32px;
}

.note-item strong {
    display: block;
    font-size: 16px;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 4px;
}

.note-item p {
    font-size: 14px;
    color: #64748b;
    line-height: 1.6;
}

/* Use Cases */
.use-cases {
    padding: 100px 0;
    background: #ffffff;
}

.use-case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 24px;
}

.use-case-card {
    background: #f8fafc;
    border: 2px solid #e2e8f0;
    border-radius: 20px;
    padding: 32px;
    transition: all 0.3s;
}

.use-case-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.1);
    border-color: #3b82f6;
}

.use-case-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.use-case-card h3 {
    font-size: 22px;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 12px;
}

.use-case-card p {
    color: #64748b;
    line-height: 1.7;
    margin-bottom: 20px;
}

.use-case-tech {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.tech-tag {
    padding: 6px 12px;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    color: #3b82f6;
}

/* Features Detailed */
.features-detailed {
    padding: 100px 0;
    background: #f8fafc;
}

.features-grid-detailed {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.feature-detailed-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 20px;
    padding: 32px;
    transition: all 0.3s;
}

.feature-detailed-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
    border-color: #3b82f6;
}

.feature-icon-large {
    font-size: 48px;
    margin-bottom: 20px;
}

.feature-detailed-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 12px;
}

.feature-detailed-card p {
    color: #64748b;
    line-height: 1.7;
    font-size: 15px;
}

/* CTA Section */
.cta-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
}

.cta-content-box {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.cta-content-box h2 {
    font-size: 48px;
    font-weight: 900;
    color: #ffffff;
    margin-bottom: 16px;
    letter-spacing: -1px;
}

.cta-content-box p {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 32px;
}

.cta-buttons-group {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.cta-buttons-group .btn-primary {
    background: #ffffff;
    color: #3b82f6;
}

.cta-buttons-group .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255, 255, 255, 0.3);
}

.cta-buttons-group .btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.cta-buttons-group .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: #ffffff;
}

.cta-note {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
}

/* Footer */
.footer {
    padding: 80px 0 32px;
    background: #0f172a;
    color: #94a3b8;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr repeat(4, 1fr);
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand-col {
    max-width: 320px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.footer-logo span {
    font-size: 18px;
    font-weight: 800;
    color: #ffffff;
    letter-spacing: -0.5px;
}

.footer-brand-col p {
    color: #94a3b8;
    line-height: 1.7;
    margin-bottom: 20px;
}

.footer-social {
    display: flex;
    gap: 16px;
}

.footer-social a {
    color: #94a3b8;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.3s;
}

.footer-social a:hover {
    color: #3b82f6;
}

.footer-column h4 {
    color: #ffffff;
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-column a {
    display: block;
    color: #94a3b8;
    text-decoration: none;
    font-size: 14px;
    margin-bottom: 12px;
    transition: color 0.3s;
}

.footer-column a:hover {
    color: #3b82f6;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 32px;
    border-top: 1px solid #1e293b;
}

.footer-bottom p {
    color: #64748b;
    font-size: 14px;
}

.footer-payment {
    display: flex;
    gap: 12px;
    align-items: center;
    font-size: 14px;
    color: #64748b;
}

.footer-payment-label {
    font-weight: 500;
    color: #94a3b8;
    margin-right: 4px;
}

.footer-crypto-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: #1e293b;
    border-radius: 50%;
    transition: all 0.3s;
}

.footer-crypto-badge i {
    color: #3b82f6;
}

.footer-crypto-badge:hover {
    background: #334155;
    transform: translateY(-2px);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3rem;
    }

    .section-title {
        font-size: 40px;
    }

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

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

@media (max-width: 768px) {
    .nav {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .header-actions {
        gap: 8px;
    }

    .btn-outline, .btn-ghost {
        display: none;
    }

    .header-actions .btn-primary span {
        display: none;
    }

    .header-actions .btn-primary {
        padding: 11px 16px;
    }

    .logo-text-main, .logo-text-suffix {
        font-size: 16px;
    }

    .hero {
        padding: 120px 0 60px;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-description {
        font-size: 17px;
    }

    .hero-features {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .feature-badge {
        padding: 16px 18px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .section-title {
        font-size: 36px;
    }

    .section-subtitle {
        font-size: 17px;
    }

    .infrastructure-grid,
    .gpu-grid,
    .config-grid,
    .use-case-grid,
    .features-grid-detailed {
        grid-template-columns: 1fr;
    }

    .config-tabs {
        flex-wrap: wrap;
    }

    .custom-builder {
        padding: 32px 24px;
    }

    .custom-options {
        grid-template-columns: 1fr;
    }

    .pricing-notes {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-brand-col {
        max-width: 100%;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .cta-content-box h2 {
        font-size: 36px;
    }

    .cta-buttons-group {
        flex-direction: column;
        align-items: stretch;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 28px;
    }

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

    .btn-large {
        padding: 12px 20px;
        font-size: 15px;
    }

    .pricing-table {
        font-size: 13px;
    }

    .pricing-table th,
    .pricing-table td {
        padding: 12px;
    }
}

/* Utility Classes */
::selection {
    background: rgba(59, 130, 246, 0.2);
    color: #0f172a;
}

::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #f8fafc;
}

::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

@media (prefers-reduced-motion: reduce) {
    *, ::after, ::before {
        animation-duration: 0s !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0s !important;
        scroll-behavior: auto !important;
    }
}

/* ========================================
   MOBILE MENU
   ======================================== */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: #1e293b;
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    transition: background 0.3s;
}

.mobile-menu-btn:hover {
    background: #f1f5f9;
}

.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 320px;
    height: 100vh;
    background: #ffffff;
    box-shadow: -4px 0 24px rgba(0, 0, 0, 0.15);
    z-index: 10000;
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px;
    border-bottom: 1px solid #e2e8f0;
}

.mobile-menu-close {
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    color: #64748b;
    transition: color 0.3s;
}

.mobile-menu-close:hover {
    color: #1e293b;
}

.mobile-nav {
    padding: 24px;
}

.mobile-nav-link {
    display: block;
    padding: 14px 0;
    color: #1e293b;
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    border-bottom: 1px solid #f1f5f9;
    transition: color 0.3s;
}

.mobile-nav-link:hover {
    color: #3b82f6;
}

.mobile-menu-actions {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* ========================================
   TESTIMONIALS
   ======================================== */
.testimonials {
    padding: 100px 0;
    background: #f8fafc;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 60px;
}

.testimonial-card {
    background: #ffffff;
    padding: 32px;
    border-radius: 16px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    transition: all 0.3s;
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
}

.testimonial-rating {
    display: flex;
    gap: 4px;
    margin-bottom: 16px;
}

.testimonial-text {
    color: #475569;
    line-height: 1.8;
    margin-bottom: 24px;
    font-size: 15px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 16px;
}

.author-name {
    font-weight: 600;
    color: #1e293b;
    font-size: 15px;
}

.author-title {
    font-size: 13px;
    color: #64748b;
}

/* ========================================
   FAQ SECTION
   ======================================== */
.faq-section {
    padding: 100px 0;
    background: #ffffff;
}

.faq-container {
    max-width: 900px;
    margin: 60px auto 0;
}

.faq-item {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    margin-bottom: 16px;
    overflow: hidden;
    transition: all 0.3s;
}

.faq-item:hover {
    border-color: #cbd5e1;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.faq-question {
    padding: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    user-select: none;
}

.faq-question h3 {
    font-size: 17px;
    font-weight: 600;
    color: #1e293b;
    margin: 0;
    padding-right: 24px;
}

.faq-icon {
    flex-shrink: 0;
    color: #64748b;
    transition: transform 0.3s;
    width: 20px;
    height: 20px;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
    color: #3b82f6;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 0 24px 24px 24px;
}

.faq-answer p {
    color: #475569;
    line-height: 1.8;
    font-size: 15px;
    margin: 0;
}

/* ========================================
   BACK TO TOP BUTTON
   ======================================== */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 50px;
    height: 50px;
    background: #3b82f6;
    color: #ffffff;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 9999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: #2563eb;
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.5);
}

/* ========================================
   FADE-IN ANIMATIONS
   ======================================== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in:nth-child(1) { transition-delay: 0.1s; }
.fade-in:nth-child(2) { transition-delay: 0.2s; }
.fade-in:nth-child(3) { transition-delay: 0.3s; }
.fade-in:nth-child(4) { transition-delay: 0.4s; }
.fade-in:nth-child(5) { transition-delay: 0.5s; }
.fade-in:nth-child(6) { transition-delay: 0.6s; }

/* ========================================
   ENHANCED MOBILE RESPONSIVE
   ======================================== */
@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex !important;
    }

    .header-actions .btn {
        display: none;
    }

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

    .faq-question h3 {
        font-size: 15px;
    }

    .back-to-top {
        width: 44px;
        height: 44px;
        bottom: 20px;
        right: 20px;
    }
}

@media (min-width: 769px) {
    .mobile-menu-btn {
        display: none !important;
    }
}

@media (max-width: 480px) {
    .mobile-menu {
        width: 100%;
    }

    .testimonial-card {
        padding: 24px;
    }

    .faq-question {
        padding: 18px;
    }

    .faq-item.active .faq-answer {
        padding: 0 18px 18px 18px;
    }
}

/* Remove logo underline */
.logo a {
    text-decoration: none !important;
}

.header .logo a {
    text-decoration: none !important;
}

.logo-text-only {
    text-decoration: none !important;
}

a:has(.logo-text-only) {
    text-decoration: none !important;
}