/* ==============================================
   Post Quantum Labs - Custom Theme
   Based on Stocker Bootstrap 5 Template
   ============================================== */

/* Root Variables - PQL Branding */
:root {
    --pql-blue: #010e24;
    --pql-blue-dark: #000816;
    --pql-blue-light: #0a1e3e;
    --pql-accent: #00d4ff;
    --pql-accent-hover: #00b8e6;
    --text-primary: #ffffff;
    --text-secondary: #b0b8c4;
    --border-color: #2a3a52;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: #000;
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'DM Sans', 'Inter', sans-serif;
    font-weight: 700;
    line-height: 1.2;
}

.brand-pql {
    font-family: 'Trajan Pro', serif;
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: 0.1em;
}

.brand-full {
    font-family: 'Georgia Pro Cond', Georgia, serif;
    font-weight: 400;
    margin-left: 0.5rem;
}

/* Navbar */
.bg-pql-blue {
    background-color: var(--pql-blue) !important;
    border-bottom: 1px solid var(--border-color);
}

.navbar {
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.navbar-brand {
    font-size: 1.25rem;
    color: var(--text-primary) !important;
}

.navbar-nav .nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--pql-accent) !important;
}

.dropdown-menu {
    background-color: var(--pql-blue-dark);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 0.5rem 0;
}

.dropdown-item {
    color: var(--text-secondary);
    padding: 0.5rem 1.5rem;
    transition: all 0.3s ease;
}

.dropdown-item:hover {
    background-color: var(--pql-blue-light);
    color: var(--pql-accent);
}

/* Hero Video Section */
.hero-video {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-video-bg {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    z-index: 0;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(1, 14, 36, 0.9) 0%, rgba(0, 8, 22, 0.85) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    padding: 2rem 0;
}

.hero-video h1 {
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    animation: bounce 2s infinite;
}

.scroll-indicator i {
    font-size: 2rem;
    color: var(--pql-accent);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* Animations */
.animate-fade-in {
    animation: fadeIn 1s ease-in;
}

.animate-fade-in-delay {
    animation: fadeIn 1s ease-in 0.3s backwards;
}

.animate-fade-in-delay-2 {
    animation: fadeIn 1s ease-in 0.6s backwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Buttons */
.btn {
    padding: 0.75rem 2rem;
    font-weight: 600;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.9rem;
}

.btn-primary {
    background-color: var(--pql-accent);
    border-color: var(--pql-accent);
    color: #000;
}

.btn-primary:hover {
    background-color: var(--pql-accent-hover);
    border-color: var(--pql-accent-hover);
    color: #000;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
}

.btn-outline-light {
    border: 2px solid var(--text-primary);
    color: var(--text-primary);
}

.btn-outline-light:hover {
    background-color: var(--text-primary);
    color: var(--pql-blue);
    transform: translateY(-2px);
}

.btn-outline-primary {
    border: 2px solid var(--pql-accent);
    color: var(--pql-accent);
    background: transparent;
}

.btn-outline-primary:hover {
    background-color: var(--pql-accent);
    border-color: var(--pql-accent);
    color: #000;
}

/* Sections */
section {
    padding: 5rem 0;
}

.bg-dark {
    background-color: var(--pql-blue-dark) !important;
}

/* Product Cards */
.product-card {
    background: linear-gradient(135deg, var(--pql-blue) 0%, var(--pql-blue-dark) 100%);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    overflow: hidden;
    transition: all 0.3s ease;
    cursor: pointer;
}

.product-card:hover {
    transform: translateY(-10px);
    border-color: var(--pql-accent);
    box-shadow: 0 20px 40px rgba(0, 212, 255, 0.2);
}

.product-image {
    position: relative;
    overflow: hidden;
    height: 250px;
    background-color: var(--pql-blue-dark);
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.product-card:hover .product-image img {
    transform: scale(1.05);
}

.product-body {
    background-color: rgba(1, 14, 36, 0.6);
}

.product-body h3 {
    color: var(--text-primary);
    font-weight: 700;
}

.text-primary {
    color: var(--pql-accent) !important;
}

/* Capability Cards */
.capability-card {
    background-color: var(--pql-blue);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    transition: all 0.3s ease;
}

.capability-card:hover {
    border-color: var(--pql-accent);
    transform: translateY(-5px);
}

.capability-icon {
    opacity: 0.8;
}

/* Stat Boxes */
.stat-box {
    background-color: rgba(0, 212, 255, 0.05);
    transition: all 0.3s ease;
}

.stat-box:hover {
    background-color: rgba(0, 212, 255, 0.1);
    border-color: var(--pql-accent) !important;
}

/* Footer */
footer {
    border-top: 1px solid var(--border-color);
}

footer h5, footer h6 {
    color: var(--text-primary);
    font-weight: 600;
}

footer a:hover {
    color: var(--pql-accent) !important;
}

/* Back to Top Button */
#back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: none;
    z-index: 1000;
    transition: all 0.3s ease;
}

#back-to-top:hover {
    transform: translateY(-5px);
}

/* Breadcrumb */
.breadcrumb {
    background-color: transparent;
    padding: 1rem 0;
}

.breadcrumb-item a {
    color: var(--pql-accent);
    text-decoration: none;
}

.breadcrumb-item.active {
    color: var(--text-secondary);
}

/* Product Page Specific */
.product-hero {
    background: linear-gradient(135deg, var(--pql-blue) 0%, var(--pql-blue-dark) 100%);
    padding: 8rem 0 5rem;
}

.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
}

.feature-list li:last-child {
    border-bottom: none;
}

.feature-list i {
    color: var(--pql-accent);
    margin-right: 1rem;
    font-size: 1.2rem;
}

.specs-table {
    background-color: var(--pql-blue);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
}

.specs-table th {
    background-color: var(--pql-blue-light);
    color: var(--pql-accent);
    font-weight: 600;
    padding: 1rem;
}

.specs-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.specs-table tr:last-child td {
    border-bottom: none;
}

/* Responsive Design */
@media (max-width: 991px) {
    .brand-full {
        display: none;
    }

    .hero-video {
        min-height: 70vh;
    }

    section {
        padding: 3rem 0;
    }
}

@media (max-width: 767px) {
    .display-3 {
        font-size: 2rem;
    }

    .display-5 {
        font-size: 1.75rem;
    }

    .product-image {
        height: 200px;
    }
}

/* Utility Classes */
.text-white-50 {
    color: var(--text-secondary) !important;
}

.border-secondary {
    border-color: var(--border-color) !important;
}

/* Loading Animation for Images */
img {
    image-rendering: -webkit-optimize-contrast;
}

/* Smooth Scrolling */
@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
}

/* Partner Cards */
.partner-card {
    background: linear-gradient(135deg, var(--pql-blue) 0%, var(--pql-blue-dark) 100%);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    overflow: hidden;
    transition: all 0.3s ease;
}

.partner-card:hover {
    transform: translateY(-5px);
    border-color: var(--pql-accent);
    box-shadow: 0 15px 35px rgba(0, 212, 255, 0.15);
}

.partner-logo-container {
    background-color: rgba(255, 255, 255, 0.05);
    padding: 3rem 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 200px;
    border-bottom: 1px solid var(--border-color);
}

.partner-logo {
    max-width: 200px;
    max-height: 120px;
    width: auto;
    height: auto;
    object-fit: contain;
    filter: brightness(0) invert(1);
    opacity: 0.9;
    transition: all 0.3s ease;
}

.partner-card:hover .partner-logo {
    opacity: 1;
    filter: brightness(0) invert(1);
    transform: scale(1.05);
}

.partner-body {
    background-color: rgba(1, 14, 36, 0.6);
}

/* Partner Logo Placeholder (when no image) */
.partner-logo-container:empty::before {
    content: 'LOGO';
    font-size: 2rem;
    font-weight: 700;
    color: var(--border-color);
    letter-spacing: 0.2em;
}