:root {
    /* Brand Colors */
    --clr-cyan: #00e5ff;
    --clr-cyan-dark: #00b3cc;
    --clr-ice: #e0f7fa;
    --clr-steel: #90a4ae;
    --clr-charcoal: #263238;
    --clr-slate: #37474f;
    
    /* UI Colors */
    --clr-bg-base: #0f1416;
    --clr-bg-alt: #161d21;
    --clr-text-main: #cfd8dc;
    --clr-text-heading: #ffffff;
    --clr-border: rgba(255, 255, 255, 0.1);
    --clr-error: #ff5252;
    --clr-warning-bg: rgba(255, 171, 0, 0.1);
    --clr-warning-border: #ffab00;

    /* Glass Effect Variables */
    --glass-bg: rgba(22, 29, 33, 0.65);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-blur: blur(12px);

    /* Typography */
    --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
    
    /* Spacing & Layout */
    --container-width: 1200px;
    --sp-xs: 0.5rem;
    --sp-sm: 1rem;
    --sp-md: 1.5rem;
    --sp-lg: 3rem;
    --sp-xl: 5rem;
    
    /* Transitions */
    --trans-fast: 0.2s ease;
    --trans-base: 0.3s ease;
}

/* =========================================
   Reset & Base Styles
   ========================================= */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-sans);
    background-color: var(--clr-bg-base);
    color: var(--clr-text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--clr-cyan);
    text-decoration: none;
    transition: color var(--trans-fast);
}

a:hover {
    color: var(--clr-ice);
}

ul {
    list-style: none;
}

/* =========================================
   Typography
   ========================================= */
h1, h2, h3, h4, h5, h6 {
    color: var(--clr-text-heading);
    font-weight: 700;
    line-height: 1.2;
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: var(--sp-md);
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    margin-bottom: var(--sp-sm);
    color: var(--clr-ice);
}

h3 {
    font-size: 1.25rem;
    margin-bottom: var(--sp-xs);
}

p {
    margin-bottom: var(--sp-sm);
}

.lead {
    font-size: 1.25rem;
    color: var(--clr-steel);
    margin-bottom: var(--sp-lg);
}

/* =========================================
   Utility Classes & Components
   ========================================= */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--sp-md);
}

.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.tech-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--clr-cyan);
    border: 1px solid var(--clr-cyan);
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    margin-bottom: var(--sp-md);
    background: rgba(0, 229, 255, 0.05);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    font-size: 1rem;
    border-radius: 4px;
    cursor: pointer;
    transition: all var(--trans-fast);
    border: 2px solid transparent;
    text-align: center;
}

.btn-primary {
    background-color: var(--clr-cyan);
    color: var(--clr-bg-base);
}

.btn-primary:hover {
    background-color: var(--clr-ice);
    color: var(--clr-bg-base);
    box-shadow: 0 0 15px rgba(0, 229, 255, 0.4);
}

.btn-secondary {
    background-color: var(--clr-slate);
    color: var(--clr-text-heading);
}

.btn-secondary:hover {
    background-color: var(--clr-charcoal);
    border-color: var(--clr-steel);
}

.btn-outline {
    background-color: transparent;
    border-color: var(--clr-cyan);
    color: var(--clr-cyan);
}

.btn-outline:hover {
    background-color: rgba(0, 229, 255, 0.1);
    color: var(--clr-ice);
    border-color: var(--clr-ice);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* =========================================
   Header & Navigation
   ========================================= */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--clr-border);
    border-radius: 0;
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.brand-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--clr-text-heading);
}

.brand-link:hover {
    color: var(--clr-cyan);
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: block;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 101;
}

.hamburger-line {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--clr-text-heading);
    margin: 5px 0;
    transition: all var(--trans-fast);
}

/* Desktop Navigation */
.main-nav {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    width: 100%;
    background: var(--clr-bg-alt);
    border-bottom: 1px solid var(--clr-border);
    padding: var(--sp-md);
}

.mobile-menu-btn[aria-expanded="true"] + .main-nav {
    display: block;
}

.nav-list {
    display: flex;
    flex-direction: column;
    gap: var(--sp-sm);
}

.nav-list a {
    color: var(--clr-text-main);
    font-weight: 500;
    display: block;
    padding: 0.5rem 0;
}

.nav-list a:hover,
.nav-list a[aria-current="page"] {
    color: var(--clr-cyan);
}

.header-cta {
    display: none;
}

@media (min-width: 992px) {
    .mobile-menu-btn { display: none; }
    
    .main-nav {
        display: block !important;
        position: static;
        width: auto;
        background: transparent;
        border: none;
        padding: 0;
    }
    
    .nav-list {
        flex-direction: row;
        gap: var(--sp-md);
    }
    
    .header-cta {
        display: block;
    }
}

/* =========================================
   Hero Section
   ========================================= */
.hero {
    position: relative;
    padding: var(--sp-xl) 0;
    overflow: hidden;
    min-height: 80vh;
    display: flex;
    align-items: center;
}

.hero-bg-grid {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image: 
        linear-gradient(var(--clr-slate) 1px, transparent 1px),
        linear-gradient(90deg, var(--clr-slate) 1px, transparent 1px);
    background-size: 40px 40px;
    opacity: 0.15;
    z-index: -1;
}

.hero-bg-grid::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(circle at center, transparent 0%, var(--clr-bg-base) 80%);
}

.hero-content {
    max-width: 800px;
    padding: var(--sp-lg);
    border-radius: 12px;
}

.hero-actions {
    display: flex;
    flex-direction: column;
    gap: var(--sp-sm);
    margin: var(--sp-lg) 0;
}

.hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-md);
    font-size: 0.875rem;
    color: var(--clr-steel);
    border-top: 1px solid var(--clr-border);
    padding-top: var(--sp-md);
}

.hero-meta span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.hero-meta svg {
    color: var(--clr-cyan);
}

@media (min-width: 640px) {
    .hero-actions {
        flex-direction: row;
    }
}

/* =========================================
   Features Section (Home)
   ========================================= */
.features-section {
    padding: var(--sp-xl) 0;
    background: linear-gradient(180deg, var(--clr-bg-base) 0%, var(--clr-bg-alt) 100%);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--sp-xl);
}

.card-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--sp-lg);
}

@media (min-width: 768px) {
    .card-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .card-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.feature-card {
    display: flex;
    flex-direction: column;
    border-radius: 12px;
    overflow: hidden;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    transition: transform var(--trans-base), box-shadow var(--trans-base);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.card-img-wrapper {
    width: 100%;
    aspect-ratio: 16/9;
    overflow: hidden;
    border-bottom: 1px solid var(--glass-border);
}

.card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

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

.card-content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.card-content .label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--clr-cyan);
    font-weight: 700;
    display: block;
    margin-bottom: 0.5rem;
}

.card-content h3 {
    margin-bottom: 0.5rem;
    font-size: 1.5rem;
}

.meta-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--clr-steel);
    margin-bottom: var(--sp-md);
}

.feature-desc {
    color: var(--clr-steel);
    font-size: 0.95rem;
    margin-bottom: var(--sp-lg);
    flex-grow: 1;
}

.card-content .btn {
    align-self: flex-start;
}

/* =========================================
   Inner Pages (Content Layout)
   ========================================= */
.page-layout {
    padding: var(--sp-xl) var(--sp-md);
}

.content-article {
    max-width: 900px;
    margin: 0 auto;
    padding: var(--sp-lg);
    border-radius: 12px;
}

.article-header {
    margin-bottom: var(--sp-lg);
    border-bottom: 1px solid var(--clr-border);
    padding-bottom: var(--sp-lg);
}

.article-body h2 {
    margin-top: var(--sp-lg);
    padding-bottom: 0.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.article-body h3 {
    margin-top: var(--sp-md);
    color: var(--clr-cyan);
}

.article-body ul, 
.article-body ol {
    margin-bottom: var(--sp-md);
    padding-left: 1.5rem;
}

.article-body li {
    margin-bottom: 0.5rem;
}

.article-body ul li {
    list-style-type: square;
    color: var(--clr-steel);
}

.article-body strong {
    color: var(--clr-text-heading);
}

.warning-box {
    background: var(--clr-warning-bg);
    border-left: 4px solid var(--clr-warning-border);
    padding: var(--sp-md);
    margin: var(--sp-md) 0;
    border-radius: 0 8px 8px 0;
    color: var(--clr-text-heading);
}

.related-links {
    margin-top: var(--sp-xl);
    padding: var(--sp-md);
    background: rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    border: 1px solid var(--clr-border);
}

.article-footer {
    margin-top: var(--sp-lg);
    padding-top: var(--sp-lg);
    border-top: 1px solid var(--clr-border);
    text-align: center;
}

@media (max-width: 768px) {
    .content-article {
        padding: var(--sp-md);
    }
}

/* =========================================
   Contact Page
   ========================================= */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--sp-lg);
    max-width: 1000px;
    margin: 0 auto;
}

@media (min-width: 800px) {
    .contact-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.contact-info, 
.contact-form-wrapper {
    padding: var(--sp-lg);
    border-radius: 12px;
}

.contact-details-list {
    margin: var(--sp-lg) 0;
    display: flex;
    flex-direction: column;
    gap: var(--sp-md);
}

.detail-item strong {
    display: block;
    color: var(--clr-cyan);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

.detail-item address {
    font-style: normal;
    color: var(--clr-steel);
}

.static-map {
    width: 100%;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--clr-border);
    margin-top: var(--sp-md);
}

/* Forms */
.form-instructions {
    font-size: 0.875rem;
    color: var(--clr-steel);
    margin-bottom: var(--sp-md);
}

.form-group {
    margin-bottom: var(--sp-md);
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--clr-text-heading);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--clr-slate);
    color: var(--clr-text-heading);
    padding: 0.75rem 1rem;
    border-radius: 4px;
    font-family: var(--font-sans);
    font-size: 1rem;
    transition: all var(--trans-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--clr-cyan);
    box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.15);
}

.form-group select option {
    background: var(--clr-bg-base);
    color: var(--clr-text-main);
}

.error-msg {
    display: none;
    color: var(--clr-error);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

input:invalid:not(:placeholder-shown) + .error-msg,
textarea:invalid:not(:placeholder-shown) + .error-msg {
    display: block;
}

.form-note {
    font-size: 0.75rem;
    color: var(--clr-steel);
    margin-top: 1rem;
    text-align: center;
}

.form-actions {
    margin-top: var(--sp-lg);
}

.form-actions .btn {
    width: 100%;
}

.form-success {
    text-align: center;
    padding: var(--sp-lg);
    background: rgba(0, 229, 255, 0.05);
    border: 1px solid var(--clr-cyan);
    border-radius: 8px;
    margin-top: var(--sp-md);
}

.form-success h3 {
    color: var(--clr-cyan);
}

/* =========================================
   Data Tables (Cookie Policy)
   ========================================= */
.table-container {
    width: 100%;
    overflow-x: auto;
    margin-bottom: var(--sp-md);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 600px;
}

.data-table th,
.data-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--clr-border);
}

.data-table th {
    background: rgba(0, 0, 0, 0.3);
    color: var(--clr-ice);
    font-weight: 600;
}

.data-table tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

.data-table code {
    background: rgba(0, 0, 0, 0.3);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    color: var(--clr-cyan);
    font-family: monospace;
}

/* =========================================
   Footer Redesign
   ========================================= */
.site-footer {
    background-color: #0b0f11;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: var(--sp-xl);
    margin-top: auto;
    color: var(--clr-steel);
}

.footer-top {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--sp-lg);
    margin-bottom: var(--sp-xl);
}

@media (min-width: 640px) {
    .footer-top {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .footer-top {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
}

.footer-brand-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--clr-text-heading);
    margin-bottom: var(--sp-sm);
    text-decoration: none;
}

.footer-brand-link:hover {
    color: var(--clr-cyan);
}

.footer-domain {
    letter-spacing: -0.01em;
}

.footer-desc {
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: var(--sp-md);
    max-width: 320px;
}

.footer-contact-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--clr-cyan);
    font-size: 0.95rem;
    font-weight: 500;
    transition: color var(--trans-fast);
}

.footer-contact-link:hover {
    color: var(--clr-ice);
}

.footer-heading {
    color: var(--clr-text-heading);
    font-size: 1.1rem;
    margin-bottom: var(--sp-md);
    font-weight: 600;
    letter-spacing: 0.02em;
}

.footer-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    list-style: none;
    padding: 0;
}

.footer-list a {
    color: var(--clr-steel);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color var(--trans-fast);
}

.footer-list a:hover {
    color: var(--clr-cyan);
}

.footer-address {
    font-style: normal;
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--clr-steel);
}

.footer-address strong {
    color: var(--clr-text-main);
    font-weight: 500;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: var(--sp-md) 0;
    display: flex;
    flex-direction: column;
    gap: var(--sp-sm);
    text-align: center;
    font-size: 0.85rem;
    color: #64748b;
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

/* =========================================
   Cookie Banner
   ========================================= */
.cookie-banner {
    position: fixed;
    bottom: 1rem;
    left: 1rem;
    right: 1rem;
    z-index: 1000;
    padding: var(--sp-md);
    display: flex;
    flex-direction: column;
    gap: var(--sp-md);
    border-radius: 8px;
}

.cookie-banner[hidden] {
    display: none !important;
}

.cookie-content p {
    margin: 0;
    font-size: 0.9rem;
}

.cookie-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

@media (min-width: 768px) {
    .cookie-banner {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        max-width: 900px;
        margin: 0 auto;
    }
    
    .cookie-content {
        flex: 1;
    }
}