/* ================================================
   REVX Systems - Modern Theme (Charte A)
   ================================================
   Design "Studio" - Inspired by user request
   Dark mode, Orange accents, Glow effects
   ================================================ */

:root {
    /* Primary Colors - Deep Dark / Black */
    --color-bg-primary: #050505;
    --color-bg-secondary: #0a0a0a;
    --color-bg-tertiary: #141414;
    --color-bg-card: #111111;
    --color-bg-card-hover: #1a1a1a;
    
    /* Text Colors */
    --color-text-primary: #ffffff;
    --color-text-secondary: #a1a1aa;
    --color-text-muted: #71717a;
    
    /* Accent - Studio Orange */
    --color-accent: #FF6B35;
    --color-accent-dim: #E85A2A;
    --color-accent-bright: #FF8F6B;
    --color-accent-subtle: rgba(255, 107, 53, 0.15);
    
    /* Borders */
    --color-border: #27272a;
    --color-border-subtle: #18181b;
    
    /* Status */
    --color-upcoming: #FF6B35;
    --color-upcoming-subtle: rgba(255, 107, 53, 0.1);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 8px 16px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 40px rgba(255, 255, 255, 0.15);
    --shadow-accent: 0 0 25px rgba(255, 107, 53, 0.3);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ================================================
   Base Styling
   ================================================ */

body {
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
}

/* Typography Glow Effects */
h1, h2, h3 {
    letter-spacing: -0.02em;
}

/* ================================================
   Header
   ================================================ */

.header {
    background-color: rgba(5, 5, 5, 0.8);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.nav-link {
    color: var(--color-text-secondary);
    font-weight: 500;
}

.nav-link:hover {
    color: var(--color-text-primary);
    text-shadow: 0 0 10px rgba(255,255,255,0.5);
}

.nav-link::after {
    background-color: var(--color-accent);
    box-shadow: 0 0 10px var(--color-accent);
}

.nav-link.active {
    color: var(--color-text-primary);
}

/* Theme Toggle */
.theme-label {
    color: var(--color-text-muted);
}

.toggle-btn {
    background-color: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
}

.toggle-option {
    color: var(--color-text-muted);
}

.toggle-option.active {
    background-color: var(--color-accent);
    color: #ffffff;
    box-shadow: 0 0 10px var(--color-accent-subtle);
}

.toggle-option:hover:not(.active) {
    color: var(--color-text-primary);
}

/* Mobile Menu */
.mobile-menu-btn span {
    background-color: var(--color-text-secondary);
}

.mobile-nav {
    background-color: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border);
}

.mobile-nav-link {
    color: var(--color-text-secondary);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
    background-color: var(--color-bg-tertiary);
    color: var(--color-accent);
}

/* ================================================
   Hero
   ================================================ */

.hero {
    background-image: url('../assets/backgound2.png');
}

.hero::before {
    background: radial-gradient(circle at center, rgba(5,5,5,0.7) 0%, rgba(5,5,5,1) 100%);
}

.hero-badge {
    display: inline-block;
    padding: 8px 16px;
    border-radius: 50px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-text-primary);
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 32px;
    box-shadow: 0 0 20px rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
}

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

.hero-title {
    color: var(--color-text-primary);
    font-size: 4rem; /* Larger */
    font-weight: 700;
    text-shadow: 0 0 30px rgba(255, 255, 255, 0.4), 0 0 60px rgba(255, 255, 255, 0.1);
    margin-bottom: 24px;
}

/* Orange text for highlight if we had span, but apply to title generally for now or accent usage */
.hero-title strong, 
.hero-title span {
    color: var(--color-accent);
    text-shadow: 0 0 30px rgba(255, 107, 53, 0.4);
}

.hero-subtitle {
    color: var(--color-text-secondary);
    font-size: 1.25rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

@media (max-width: 900px) {
    .hero-title {
        font-size: 2.5rem;
    }
}

/* ================================================
   Buttons
   ================================================ */

.btn {
    border-radius: 8px; /* Slightly more rounded */
    font-weight: 600;
    letter-spacing: 0.01em;
    padding: 16px 32px;
}

.btn-primary {
    background-color: var(--color-accent);
    color: #000000; /* Black text on Orange for high contrast/studio look */
    border: 1px solid var(--color-accent);
    box-shadow: var(--shadow-accent);
}

.btn-primary:hover {
    background-color: var(--color-accent-bright);
    border-color: var(--color-accent-bright);
    transform: translateY(-2px);
    box-shadow: 0 0 35px rgba(255, 107, 53, 0.5);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-text-primary);
    border: 1px solid rgba(255,255,255,0.2);
}

.btn-secondary:hover {
    background-color: rgba(255,255,255,0.05);
    border-color: var(--color-text-primary);
    transform: translateY(-2px);
}

/* ================================================
   Section Titles
   ================================================ */

.section-title {
    color: var(--color-text-primary);
    text-shadow: 0 0 20px rgba(255,255,255,0.15);
}

.section-label {
    display: block;
    font-size: 0.75rem;
    color: var(--color-accent);
    font-weight: 700;
    letter-spacing: 0.1em;
    margin-bottom: 12px;
    opacity: 0.9;
    text-shadow: 0 0 10px var(--color-accent-subtle);
    text-transform: uppercase;
}

/* ================================================
   Domains Section
   ================================================ */

.domains {
    background-color: var(--color-bg-primary);
}

.domain-card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 40px 30px;
}

.domain-card:hover {
    background-color: var(--color-bg-card-hover);
    border-color: var(--color-border); /* Subtle change */
    transform: translateY(-5px);
}

.domain-icon {
    background-color: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    padding: 12px;
    width: 64px;
    height: 64px;
    margin-bottom: 24px;
    border: 1px solid rgba(255,255,255,0.05);
}

.domain-icon svg {
    /* Retint SVGs to orange via filter if needed, 
       but overriding stroke/fill colors is better */
}

/* Important: Override SVG colors for this theme locally */
.domain-card:hover .domain-title {
    color: var(--color-accent);
    text-shadow: 0 0 15px var(--color-accent-subtle);
}

.domain-title {
    color: var(--color-text-primary);
    font-size: 1.25rem;
    font-weight: 600;
    transition: var(--transition-base);
}

.domain-desc {
    color: var(--color-text-secondary);
}

.domain-badge {
    background-color: rgba(255, 107, 53, 0.1);
    color: var(--color-accent);
    border: 1px solid rgba(255, 107, 53, 0.2);
}

/* ================================================
   Positioning Section
   ================================================ */

.positioning {
    background-color: var(--color-bg-secondary);
}

.positioning-item {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    border-radius: 12px;
}

.positioning-item span {
    color: var(--color-text-primary);
}

/* ================================================
   Page Header
   ================================================ */

.page-header {
    background: radial-gradient(circle at top, rgba(20,20,20,1) 0%, rgba(5,5,5,1) 100%);
    padding-top: 180px;
}

.page-title {
    color: var(--color-text-primary);
    text-shadow: 0 0 30px rgba(255,255,255,0.2);
}

.page-subtitle {
    color: var(--color-text-secondary);
}

.page-badge {
    background-color: rgba(255, 107, 53, 0.1);
    color: var(--color-accent);
    border: 1px solid rgba(255, 107, 53, 0.2);
}

/* ================================================
   Service Sections
   ================================================ */

.service-section {
    background-color: var(--color-bg-primary);
}

.service-section--alt {
    background-color: var(--color-bg-secondary);
}

.service-title {
    color: var(--color-text-primary);
}

.service-title::before {
    content: none; /* Reset label for other titles */
}

.service-intro {
    color: var(--color-text-primary);
}

.service-text {
    color: var(--color-text-secondary);
}

.service-subtitle {
    color: var(--color-text-primary);
}

.service-type {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
}

.service-type h4 {
    color: var(--color-text-primary);
}

.service-type p {
    color: var(--color-text-secondary);
}

.support-feature-text h4 {
    color: var(--color-text-primary);
}

.support-feature-text p {
    color: var(--color-text-secondary);
}

/* ================================================
   Diagnostic Page
   ================================================ */

.diagnostic-intro {
    background-color: var(--color-bg-primary);
}

.intro-text {
    color: var(--color-text-secondary);
}

.intro-text--lead {
    color: var(--color-text-primary);
}

.diagnostic-features {
    background-color: var(--color-bg-secondary);
}

.feature-card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
}

.feature-title {
    color: var(--color-text-primary);
}

.feature-desc {
    color: var(--color-text-secondary);
}

.diagnostic-status {
    background-color: var(--color-bg-primary);
}

.status-block {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
}

.status-title {
    color: var(--color-text-primary);
}

.status-text {
    color: var(--color-text-secondary);
}

.diagnostic-flow {
    background-color: var(--color-bg-secondary);
}

/* ================================================
   Solution Page
   ================================================ */

.philosophy {
    background-color: var(--color-bg-primary);
}

.philosophy-lead {
    color: var(--color-text-primary);
}

.philosophy-desc {
    color: var(--color-text-secondary);
}

.method {
    background-color: var(--color-bg-secondary);
}

.method-step {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
}

.method-number {
    color: var(--color-accent);
    font-size: 0.9rem;
    background: rgba(255, 107, 53, 0.1);
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    margin-bottom: 24px;
}

.method-title {
    color: var(--color-text-primary);
}

.method-desc {
    color: var(--color-text-secondary);
}

.approach {
    background-color: var(--color-bg-primary);
}

.approach-item {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
}

.approach-text h3 {
    color: var(--color-text-primary);
}

.approach-text p {
    color: var(--color-text-secondary);
}

.summary-visual {
    background-color: var(--color-bg-secondary);
}

/* ================================================
   Contact Page
   ================================================ */

.about {
    background-color: var(--color-bg-primary);
}

.about-lead {
    color: var(--color-text-primary);
}

.about-desc {
    color: var(--color-text-secondary);
}

.contact-info {
    background-color: var(--color-bg-secondary);
}

.contact-card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
}

.contact-label {
    color: var(--color-text-muted);
}

.contact-value {
    color: var(--color-accent);
}

.contact-note {
    color: var(--color-text-muted);
}

.process-note {
    background-color: var(--color-bg-primary);
}

.note-block {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    background-image: linear-gradient(135deg, rgba(255, 107, 53, 0.03) 0%, transparent 100%);
}

.note-title {
    color: var(--color-text-primary);
}

.note-text {
    color: var(--color-text-secondary);
}

.values {
    background-color: var(--color-bg-secondary);
}

.value-item h4 {
    color: var(--color-text-primary);
}

.value-item p {
    color: var(--color-text-secondary);
}

/* ================================================
   CTA Section
   ================================================ */

.cta-section {
    background-color: var(--color-bg-primary);
}

.cta-content {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    position: relative;
    overflow: hidden;
}

.cta-content::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 107, 53, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.cta-title {
    color: var(--color-text-primary);
    position: relative;
    z-index: 1;
}

.cta-text {
    color: var(--color-text-secondary);
    position: relative;
    z-index: 1;
}

/* ================================================
   Footer
   ================================================ */

.footer {
    background-color: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
}

.footer-tagline {
    color: var(--color-text-muted);
}

.footer-nav a {
    color: var(--color-text-secondary);
}

.footer-nav a:hover {
    color: var(--color-accent);
}

.footer-copy {
    color: var(--color-text-muted);
}

/* ================================================
   SVG Colors
   ================================================ */

.svg-stroke {
    stroke: var(--color-text-secondary);
}

.svg-stroke-accent {
    stroke: var(--color-accent);
}

.svg-fill-accent {
    fill: var(--color-accent);
}

.svg-fill-dark {
    fill: var(--color-bg-tertiary);
}

.svg-text,
.svg-text-small {
    fill: var(--color-text-secondary);
}

/* ================================================
   Scrollbar (WebKit)
   ================================================ */

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

::-webkit-scrollbar-track {
    background: var(--color-bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-accent-dim);
}

/* ================================================
   Selection
   ================================================ */

::selection {
    background-color: var(--color-accent);
    color: #000000;
}