/* -------------------------------------------------------------
   OLGUN ALTUN PERSONAL WEBSITE - CUSTOM DESIGN SYSTEM (VANILLA CSS)
   Theme: CCTV / Cyber-Security / Tech Expertise (Dark default)
   ------------------------------------------------------------- */

/* Variables */
:root {
    --bg-main: #080b11;
    --bg-card: rgba(17, 24, 39, 0.7);
    --bg-card-hover: rgba(23, 33, 53, 0.9);
    --border-color: rgba(255, 255, 255, 0.08);
    
    --primary: #00d2ff;
    --primary-glow: rgba(0, 210, 255, 0.35);
    --primary-dark: #0088cc;
    
    --secondary: #8c9cb8;
    
    --success: #00e676;
    --success-glow: rgba(0, 230, 118, 0.35);
    
    --warning: #ff9100;
    --warning-glow: rgba(255, 145, 0, 0.35);
    
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    --text-inverse: #080b11;
    
    --glass-blur: blur(12px);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'Share Tech Mono', monospace;
}

/* Light Theme overrides */
[data-theme="light"] {
    --bg-main: #f0f4f8;
    --bg-card: rgba(255, 255, 255, 0.75);
    --bg-card-hover: rgba(255, 255, 255, 0.95);
    --border-color: rgba(0, 0, 0, 0.08);
    
    --primary: #007ebb;
    --primary-glow: rgba(0, 126, 187, 0.2);
    --primary-dark: #005a87;
    
    --secondary: #4b5563;
    
    --success: #00a852;
    --success-glow: rgba(0, 168, 82, 0.2);
    
    --text-main: #1f2937;
    --text-muted: #6b7280;
    --text-inverse: #ffffff;
}

/* General Reset & Layout */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    overflow-x: hidden;
}

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.4s ease, color 0.4s ease;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

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

button, input, textarea {
    font-family: inherit;
}

.section-padding {
    padding: 100px 0;
}

/* Scrollbar Style */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-main);
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

/* Background Cyber Grid Grid Animation */
.network-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.15;
    background-image: 
        radial-gradient(var(--border-color) 1px, transparent 0),
        linear-gradient(to right, var(--border-color) 1px, transparent 1px),
        linear-gradient(to bottom, var(--border-color) 1px, transparent 1px);
    background-size: 40px 40px, 40px 40px, 40px 40px;
    background-position: 0 0, 0 0, 0 0;
    pointer-events: none;
}

/* Glassmorphism Card Utility */
.glass {
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: var(--transition);
}

/* Header & Nav */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 80px;
    z-index: 100;
    background: rgba(8, 11, 17, 0.75);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

[data-theme="light"] .header {
    background: rgba(240, 244, 248, 0.75);
}

.header-container {
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: 1px;
}

.logo-icon {
    color: var(--primary);
    font-size: 1.6rem;
    display: flex;
    align-items: center;
}

.highlight {
    color: var(--primary);
}

.nav {
    display: flex;
    gap: 32px;
}

.nav-link {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-muted);
    position: relative;
    padding: 6px 0;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

/* Desktop Dropdown styling */
.nav-dropdown {
    position: relative;
}

.dropdown-trigger {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
}

.dropdown-trigger i {
    font-size: 0.9rem;
    transition: var(--transition);
    vertical-align: middle;
}

.nav-dropdown:hover .dropdown-trigger i {
    transform: rotate(180deg);
}

.nav-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    width: 240px;
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 8px 0;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 110;
}

.nav-dropdown:hover .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown-item {
    display: block;
    padding: 10px 20px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted);
    transition: var(--transition);
}

.dropdown-item:hover {
    color: var(--primary);
    background: rgba(255, 255, 255, 0.03);
    padding-left: 24px;
}

[data-theme="light"] .dropdown-item:hover {
    background: rgba(0, 0, 0, 0.02);
}

.dropdown-item.active {
    color: var(--primary);
    font-weight: 600;
}

/* Mobile Dropdown styling */
.mobile-dropdown {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.mobile-link-header {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-main);
    padding-bottom: 4px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 6px;
}

.mobile-submenu {
    display: flex;
    flex-direction: column;
    gap: 14px;
    padding-left: 16px;
    border-left: 2px solid var(--border-color);
    margin-left: 4px;
}

.mobile-submenu .mobile-sublink {
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--text-muted);
}

.mobile-submenu .mobile-sublink:hover,
.mobile-submenu .mobile-sublink.active {
    color: var(--primary);
    padding-left: 6px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.lang-toggle {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
}

.lang-toggle:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.theme-toggle, .mobile-toggle {
    background: transparent;
    border: none;
    color: var(--text-main);
    font-size: 1.3rem;
    cursor: pointer;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
    border: 1px solid transparent;
}

.theme-toggle:hover {
    border-color: var(--border-color);
    color: var(--primary);
    background: rgba(255,255,255,0.05);
}

.mobile-toggle {
    display: none;
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -320px;
    width: 300px;
    height: 100vh;
    background: var(--bg-main);
    z-index: 200;
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    border-left: 1px solid var(--border-color);
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.mobile-menu-close {
    position: absolute;
    top: 24px;
    right: 24px;
    background: transparent;
    border: none;
    color: var(--text-main);
    font-size: 1.8rem;
    cursor: pointer;
}

.mobile-menu-links {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.mobile-link {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-muted);
}

.mobile-link:hover, .mobile-link.active {
    color: var(--primary);
    padding-left: 8px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background: var(--primary);
    color: var(--bg-main);
    box-shadow: 0 4px 14px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--primary-glow);
    background: #00e5ff;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.85rem;
    border-radius: 6px;
}

.btn-block {
    width: 100%;
}

/* Badge Status */
.badge-status {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(0, 230, 118, 0.1);
    color: var(--success);
    border: 1px solid rgba(0, 230, 118, 0.2);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 24px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-dot {
    width: 8px;
    height: 8px;
    background-color: var(--success);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--success);
}

.animate-pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.9); opacity: 0.6; }
    50% { transform: scale(1.1); opacity: 1; box-shadow: 0 0 12px var(--success); }
    100% { transform: scale(0.9); opacity: 0.6; }
}

/* Hero Section */
.hero-section {
    padding-top: 150px;
    padding-bottom: 80px;
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 40px;
    align-items: center;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.5px;
    margin-bottom: 20px;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary) 0%, #00e676 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 32px;
    max-width: 550px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

.hero-stats {
    display: flex;
    gap: 40px;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-num {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-top: 6px;
}

/* CCTV Monitor Widget */
.cctv-widget {
    background: #05070a;
    border: 2px solid #1f2a3c;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5), 0 0 1px 1px rgba(0,210,255,0.1) inset;
}

.cctv-header {
    background: #0c1017;
    border-bottom: 1px solid #1f2a3c;
    padding: 12px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cctv-dots {
    display: flex;
    gap: 6px;
}

.cctv-dots span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.dot-red { background: #ff453a; }
.dot-gray { background: #3a3a3c; }

.cctv-title {
    color: var(--text-muted);
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
}

.terminal-font {
    font-family: var(--font-mono);
    letter-spacing: 1px;
}

.cctv-timestamp {
    font-family: var(--font-mono);
    color: var(--primary);
    font-size: 0.8rem;
}

.cctv-screen {
    position: relative;
    height: 260px;
    background: #070b10;
    overflow: hidden;
}

/* Scanning scanline & static effects */
.cctv-noise {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, transparent 50%, rgba(0, 0, 0, 0.4) 100%),
                repeating-linear-gradient(rgba(0,0,0,0) 0px, rgba(0,0,0,0.03) 2px, rgba(0,0,0,0) 4px);
    z-index: 10;
    pointer-events: none;
}

.cctv-scanline {
    position: absolute;
    top: -100%;
    left: 0;
    width: 100%;
    height: 10px;
    background: linear-gradient(to bottom, transparent, rgba(0, 210, 255, 0.1), transparent);
    z-index: 11;
    animation: scan 6s linear infinite;
    pointer-events: none;
}

@keyframes scan {
    0% { top: -10px; }
    100% { top: 100%; }
}

.cctv-grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 210, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 210, 255, 0.03) 1px, transparent 1px);
    background-size: 20px 20px;
    z-index: 5;
    pointer-events: none;
}

/* Screen Contents */
.cctv-content-pane {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    padding: 16px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    opacity: 0;
    visibility: hidden;
    transform: scale(0.98);
    transition: opacity 0.3s ease, transform 0.3s ease;
    z-index: 2;
}

.cctv-content-pane.active {
    opacity: 1;
    visibility: visible;
    transform: scale(1);
}

.pane-header {
    display: flex;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    border-bottom: 1px solid rgba(255,255,255,0.05);
    padding-bottom: 6px;
}

.pane-tag {
    color: var(--primary);
    font-weight: bold;
}

.pane-fps {
    color: var(--success);
}

/* Dashboard Summary Pane */
.summary-dashboard {
    display: flex;
    align-items: center;
    gap: 24px;
    margin: auto 0;
}

.dashboard-circle {
    position: relative;
    width: 120px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.progress-ring {
    transform: rotate(-90deg);
}

.progress-ring__circle {
    transition: stroke-dashoffset 0.35s;
    transform-origin: 50% 50%;
}

.circle-content {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.circle-val {
    font-family: var(--font-mono);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary);
}

.circle-txt {
    font-size: 0.6rem;
    color: var(--text-muted);
    font-weight: 600;
    letter-spacing: 0.5px;
}

.dashboard-metrics {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
}

.metric-row {
    display: flex;
    justify-content: space-between;
}

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

.m-val {
    font-weight: bold;
}

.val-green { color: var(--success); }
.val-cyan { color: var(--primary); }

.pane-footer {
    border-top: 1px solid rgba(255,255,255,0.05);
    padding-top: 6px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    display: flex;
    justify-content: space-between;
}

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

.blinking {
    animation: blink 1.5s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

/* Project Feed View */
.project-feed-view {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin: auto 0;
    width: 100%;
}

.feed-item {
    display: flex;
    align-items: center;
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(255,255,255,0.05);
    padding: 6px 12px;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
}

.feed-dot {
    width: 6px;
    height: 6px;
    background-color: var(--text-muted);
    border-radius: 50%;
    margin-right: 12px;
}

.feed-item.active .feed-dot {
    background-color: var(--primary);
    box-shadow: 0 0 6px var(--primary);
}

.feed-title {
    flex: 1;
}

.feed-badge {
    font-size: 0.6rem;
    padding: 2px 6px;
    border-radius: 3px;
    font-weight: bold;
}

.badge-active { background: rgba(0, 230, 118, 0.15); color: var(--success); }
.badge-completed { background: rgba(0, 210, 255, 0.15); color: var(--primary); }
.badge-ready { background: rgba(0, 210, 255, 0.1); color: var(--primary); }

/* Certs Feed View */
.certs-feed-view {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin: auto 0;
}

.cert-feed-row {
    display: flex;
    gap: 12px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    background: rgba(0,210,255,0.02);
    border: 1px solid rgba(0,210,255,0.05);
    padding: 6px 12px;
    border-radius: 4px;
}

.cert-feed-tag {
    color: var(--primary);
    font-weight: bold;
    min-width: 75px;
}

.cert-feed-text {
    color: var(--text-main);
}

/* Control Buttons */
.cctv-controls {
    background: #0c1017;
    border-top: 1px solid #1f2a3c;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
}

.ctrl-btn {
    background: transparent;
    border: none;
    border-right: 1px solid #1f2a3c;
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    padding: 10px 0;
    cursor: pointer;
    transition: var(--transition);
}

.ctrl-btn:last-child {
    border-right: none;
}

.ctrl-btn:hover, .ctrl-btn.active {
    background: rgba(0, 210, 255, 0.08);
    color: var(--primary);
    font-weight: bold;
}

/* Section Header */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-subtitle {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    display: block;
    margin-bottom: 8px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 800;
}

.section-line {
    width: 60px;
    height: 3px;
    background: var(--primary);
    margin: 16px auto 0;
    border-radius: 2px;
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: 50px;
    align-items: center;
}

/* Card Glow Effect */
.card-glow-blue, .card-glow-green {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 12px;
    pointer-events: none;
    z-index: -1;
    opacity: 0;
    transition: var(--transition);
}

.card-glow-blue {
    box-shadow: 0 0 25px var(--primary-glow);
}

.card-glow-green {
    box-shadow: 0 0 25px var(--success-glow);
}

.glass:hover .card-glow-blue, .glass:hover .card-glow-green {
    opacity: 1;
}

.about-card {
    padding: 30px;
    position: relative;
    overflow: hidden;
}

.profile-header {
    display: flex;
    align-items: center;
    gap: 20px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 24px;
    margin-bottom: 24px;
}

.avatar-container {
    position: relative;
}

.avatar-svg-placeholder {
    width: 80px;
    height: 80px;
    position: relative;
}

.avatar-svg {
    width: 100%;
    height: 100%;
}

.avatar-pulse {
    position: absolute;
    top: 5px;
    right: 5px;
    width: 10px;
    height: 10px;
    background-color: var(--success);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--success);
    animation: pulse 2s infinite;
}

.profile-title h3 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
}

.profile-title p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.profile-details {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
}

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

.det-val {
    font-weight: 500;
}

.about-text-content h3 {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.about-p {
    color: var(--text-muted);
    margin-bottom: 20px;
}

.hobbies-tags {
    margin-top: 30px;
}

.hobbies-tags h4 {
    font-size: 0.95rem;
    color: var(--text-main);
    margin-bottom: 12px;
    font-weight: 600;
}

.tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--text-muted);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
}

.tag i {
    color: var(--primary);
}

.tag:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(0, 210, 255, 0.05);
}

/* Experience Timeline styling */
.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding-left: 30px;
}

.timeline-bar {
    position: absolute;
    top: 0;
    left: 4px;
    width: 2px;
    height: 100%;
    background: var(--border-color);
}

.timeline-item {
    position: relative;
    margin-bottom: 50px;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-dot, .timeline-dot-active {
    position: absolute;
    left: -30px;
    top: 6px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 2px solid var(--bg-main);
}

.timeline-dot {
    background-color: var(--text-muted);
    box-shadow: 0 0 0 2px var(--border-color);
}

.timeline-dot-active {
    background-color: var(--primary);
    box-shadow: 0 0 0 2px var(--primary);
}

.timeline-date {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 12px;
}

.timeline-content {
    padding: 24px;
    position: relative;
}

.exp-title {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.exp-role {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.exp-tasks {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding-left: 18px;
    list-style-type: square;
    color: var(--text-muted);
    font-size: 0.92rem;
}

.exp-tasks li::marker {
    color: var(--primary);
}

/* Projects grid and cards */
.project-filters {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.filter-btn {
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover, .filter-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--bg-main);
    font-weight: 600;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.project-card {
    padding: 24px;
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.project-icon-box {
    width: 44px;
    height: 44px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    color: var(--primary);
}

.cyan-glow {
    color: var(--primary);
    border-color: rgba(0, 210, 255, 0.2);
}

.green-glow {
    color: var(--success);
    border-color: rgba(0, 230, 118, 0.2);
}

.orange-glow {
    color: var(--warning);
    border-color: rgba(255, 145, 0, 0.2);
}

.status-tag {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: bold;
    padding: 4px 10px;
    border-radius: 4px;
    text-transform: uppercase;
}

.status-active {
    background: rgba(0, 230, 118, 0.1);
    color: var(--success);
    border: 1px solid rgba(0, 230, 118, 0.2);
}

.status-completed {
    background: rgba(0, 210, 255, 0.1);
    color: var(--primary);
    border: 1px solid rgba(0, 210, 255, 0.2);
}

.status-ready {
    background: rgba(0, 210, 255, 0.05);
    color: var(--primary);
    border: 1px solid rgba(0, 210, 255, 0.1);
}

.status-dev {
    background: rgba(255, 145, 0, 0.1);
    color: var(--warning);
    border: 1px solid rgba(255, 145, 0, 0.2);
}

.project-card-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.project-card-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 20px;
    flex: 1;
}

.project-links {
    margin-top: auto;
}

.proj-link {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.proj-link:hover {
    text-decoration: underline;
}

/* Publications callout banner */
.publications-callout {
    margin-top: 60px;
    padding: 30px;
    display: flex;
    align-items: center;
    gap: 30px;
    border-radius: 12px;
}

.callout-icon {
    font-size: 2.5rem;
    color: var(--primary);
    display: flex;
    align-items: center;
}

.callout-text {
    flex: 1;
}

.callout-text h4 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.callout-text p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.callout-links {
    display: flex;
    gap: 12px;
}

/* Certifications grid */
.certs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
    gap: 20px;
}

.cert-card {
    padding: 24px;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.cert-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}

.cert-logo i {
    font-size: 1.6rem;
}

.cert-authority {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.cert-title {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 10px;
    line-height: 1.4;
}

.cert-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.5;
    margin-bottom: 16px;
    flex: 1;
}

.cert-date {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--primary);
    font-weight: 600;
}

/* Contact layout */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}

.contact-info-column h3 {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.contact-p {
    color: var(--text-muted);
    margin-bottom: 30px;
}

.contact-details-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 40px;
}

.contact-detail-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.contact-icon {
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--primary);
    flex-shrink: 0;
}

.contact-text {
    display: flex;
    flex-direction: column;
}

.c-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
}

.c-val {
    font-weight: 600;
    font-size: 1rem;
    margin-top: 4px;
}

a.c-val:hover {
    color: var(--primary);
}

/* CV Download Card */
.cv-download-card {
    display: flex;
    gap: 20px;
    padding: 24px;
    border-radius: 12px;
}

.cv-card-icon {
    font-size: 2.2rem;
    color: var(--primary);
    display: flex;
    align-items: flex-start;
    margin-top: 2px;
}

.cv-card-content h4 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.cv-card-content p {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 16px;
}

.cv-buttons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* Contact Form */
.contact-form-column {
    padding: 40px;
    position: relative;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-main);
}

.form-group input, .form-group textarea {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px 16px;
    color: var(--text-main);
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 10px rgba(0, 210, 255, 0.15);
}

.form-status-msg {
    font-size: 0.9rem;
    margin-top: 10px;
    text-align: center;
    font-weight: 600;
}

.form-status-msg.success { color: var(--success); }
.form-status-msg.error { color: #ff453a; }

/* Footer styling */
.footer {
    border-top: 1px solid var(--border-color);
    padding: 40px 0;
    background: #05070a;
}

[data-theme="light"] .footer {
    background: #e2e8f0;
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.copyright {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 24px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.service-card {
    padding: 50px 30px;
    position: relative;
    text-align: center;
    overflow: hidden;
    height: 100%;
}

.service-icon {
    width: 68px;
    height: 68px;
    border-radius: 50%;
    background: rgba(0, 210, 255, 0.04);
    border: 1px solid rgba(0, 210, 255, 0.15);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
    margin: 0 auto 30px;
    box-shadow: 0 0 15px rgba(0, 210, 255, 0.05);
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background: var(--primary);
    color: var(--bg-main);
    box-shadow: 0 0 25px var(--primary-glow);
    transform: translateY(-5px);
}

.service-card-title {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.4;
}

.service-card-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* CCTV Interactive Canvas */
.cctv-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
    opacity: 0.9;
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 60px;
        text-align: center;
    }
    
    .hero-content {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 12px;
    }

    .section-padding {
        padding: 60px 0;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .nav {
        display: none;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .publications-callout {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }
    
    .callout-links {
        width: 100%;
        flex-direction: column;
    }
    
    .footer-container {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 16px;
    }
}

@media (max-width: 576px) {
    .logo {
        font-size: 1.15rem;
        gap: 4px;
        white-space: nowrap;
    }
    
    .logo-icon {
        font-size: 1.35rem;
    }
    
    .header-actions {
        gap: 8px;
    }
    
    .lang-toggle {
        padding: 6px 8px;
        gap: 4px;
    }
    
    .theme-toggle, .mobile-toggle {
        width: 32px;
        height: 32px;
        font-size: 1.15rem;
    }

    .ctrl-btn .btn-detail {
        display: none;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
        gap: 12px;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .hero-stats {
        flex-wrap: wrap;
        gap: 20px;
        justify-content: center;
    }
}

@media (max-width: 400px) {
    .summary-dashboard {
        gap: 12px;
    }
    
    .dashboard-circle {
        transform: scale(0.85);
        margin-left: -8px;
    }
    
    .dashboard-metrics {
        font-size: 0.7rem;
    }
}

@media (max-width: 360px) {
    .lang-toggle span {
        display: none;
    }
}

/* Captcha styling */
.captcha-container {
    display: flex;
    align-items: center;
    gap: 12px;
}

.captcha-code {
    background: rgba(0, 210, 255, 0.05);
    border: 1px solid rgba(0, 210, 255, 0.2);
    color: var(--primary);
    font-family: var(--font-mono);
    font-size: 1.25rem;
    font-weight: 700;
    padding: 10px 18px;
    border-radius: 8px;
    letter-spacing: 4px;
    user-select: none;
    text-shadow: 0 0 8px rgba(0, 210, 255, 0.3);
    min-width: 90px;
    text-align: center;
}

.captcha-refresh-btn {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    width: 44px;
    height: 44px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
}

.captcha-refresh-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(0, 210, 255, 0.05);
}

#form-captcha {
    flex: 1;
}

/* Custom Range Sliders */
.range-slider {
    -webkit-appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: rgba(255, 255, 255, 0.1);
    outline: none;
    margin: 10px 0;
    transition: background 0.3s;
}
.range-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    box-shadow: 0 0 10px var(--primary-glow);
    transition: transform 0.1s, background 0.3s;
}
.range-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    background: #00e5ff;
    box-shadow: 0 0 15px rgba(0, 229, 255, 0.6);
}
.range-slider::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    border: none;
    box-shadow: 0 0 10px var(--primary-glow);
    transition: transform 0.1s, background 0.3s;
}
.range-slider::-moz-range-thumb:hover {
    transform: scale(1.2);
    background: #00e5ff;
    box-shadow: 0 0 15px rgba(0, 229, 255, 0.6);
}

.form-row-calc {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
.tools-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 40px;
    padding: 40px;
    border-radius: 12px;
}
.tools-inputs {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.tools-inputs select {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px 16px;
    color: var(--text-main);
    font-size: 0.95rem;
    transition: var(--transition);
    width: 100%;
}
.tools-inputs select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 10px rgba(0, 210, 255, 0.15);
}
.tools-results {
    display: flex;
    flex-direction: column;
    gap: 20px;
    justify-content: center;
}
.result-box {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 24px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}
.result-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
}
.box-blue::before { background: var(--primary); }
.box-cyan::before { background: var(--success); }
.box-blue:hover { border-color: var(--primary); box-shadow: 0 0 15px var(--primary-glow); }
.box-cyan:hover { border-color: var(--success); box-shadow: 0 0 15px var(--success-glow); }

.result-icon {
    font-size: 2.2rem;
    display: flex;
    align-items: center;
}
.box-blue .result-icon { color: var(--primary); }
.box-cyan .result-icon { color: var(--success); }

.result-text {
    display: flex;
    flex-direction: column;
}
.res-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
}
.res-value {
    font-family: var(--font-mono);
    font-size: 1.8rem;
    font-weight: 700;
}
.box-blue .res-value { color: var(--primary); }
.box-cyan .res-value { color: var(--success); }

.result-recommendation {
    padding: 18px;
    border-radius: 8px;
    background: rgba(255, 145, 0, 0.04);
    border: 1px dashed rgba(255, 145, 0, 0.2);
}
.rec-title {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--warning);
    display: block;
    margin-bottom: 4px;
}
.rec-text {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Security Wizard */
.wizard-container {
    padding: 40px;
    border-radius: 12px;
    position: relative;
    overflow: hidden;
}
.wizard-steps {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    position: relative;
}
.wizard-steps::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--border-color);
    transform: translateY(-50%);
    z-index: 1;
}
.wizard-steps .step {
    position: relative;
    z-index: 2;
    background: var(--bg-main);
    color: var(--text-muted);
    border: 2px solid var(--border-color);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-weight: bold;
    font-size: 0.9rem;
    transition: var(--transition);
}
.wizard-steps .step.active {
    border-color: var(--primary);
    color: var(--primary);
    box-shadow: 0 0 10px var(--primary-glow);
}
.wizard-steps .step.completed {
    border-color: var(--success);
    color: var(--bg-main);
    background: var(--success);
}
.step-lbl {
    position: absolute;
    top: 42px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    white-space: nowrap;
    font-family: var(--font-body);
}
.wizard-steps .step.active .step-lbl {
    color: var(--primary);
}
.wizard-steps .step.completed .step-lbl {
    color: var(--success);
}

.wizard-pane {
    display: none;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}
.wizard-pane.active {
    display: block;
    opacity: 1;
    transform: translateY(0);
}
.pane-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--text-main);
}
.wizard-sectors {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}
.sector-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 24px 16px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}
.sector-card:hover {
    border-color: var(--primary);
    background: rgba(0, 210, 255, 0.04);
    transform: translateY(-2px);
}
.sector-card.active {
    border-color: var(--primary);
    background: rgba(0, 210, 255, 0.08);
    box-shadow: 0 0 15px var(--primary-glow);
}
.sec-icon {
    font-size: 2.2rem;
    color: var(--text-muted);
    transition: var(--transition);
}
.sector-card:hover .sec-icon, .sector-card.active .sec-icon {
    color: var(--primary);
}
.sec-name {
    font-size: 0.9rem;
    font-weight: 600;
}

.wizard-features {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
    margin-bottom: 30px;
}
.feature-item {
    display: block;
    cursor: pointer;
}
.feature-item input {
    display: none;
}
.feat-content {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: var(--transition);
}
.feature-item input:checked + .feat-content {
    border-color: var(--primary);
    background: rgba(0, 210, 255, 0.08);
    box-shadow: 0 0 10px rgba(0, 210, 255, 0.1);
}
.feature-item:hover .feat-content {
    border-color: var(--primary);
    background: rgba(0, 210, 255, 0.04);
}
.feat-content i {
    font-size: 1.4rem;
    color: var(--text-muted);
    transition: var(--transition);
}
.feature-item input:checked + .feat-content i {
    color: var(--primary);
}
.feat-name {
    font-size: 0.95rem;
    font-weight: 500;
}

.wizard-nav {
    display: flex;
    justify-content: flex-end;
    gap: 16px;
}

.wizard-results-wrapper {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 30px;
    margin-bottom: 30px;
}
.wizard-results-content {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 24px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.6;
    max-height: 380px;
    overflow-y: auto;
    color: var(--text-main);
}
.wizard-results-content::-webkit-scrollbar {
    width: 6px;
}
.wizard-results-content::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.05);
}
.wizard-results-content h4 {
    font-family: var(--font-heading);
    color: var(--primary);
    font-size: 1.1rem;
    margin-top: 16px;
    margin-bottom: 8px;
    border-bottom: 1px dashed rgba(0, 210, 255, 0.2);
    padding-bottom: 4px;
}
.wizard-results-content h4:first-child {
    margin-top: 0;
}
.wizard-results-content ul {
    list-style-type: square;
    padding-left: 20px;
    margin-bottom: 12px;
}
.wizard-results-content li {
    margin-bottom: 4px;
}

.wizard-action-box {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 16px;
    padding: 24px;
    border-radius: 8px;
    background: rgba(0, 230, 118, 0.02);
    border: 1px solid rgba(0, 230, 118, 0.15);
    text-align: center;
}
.wizard-action-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
}
#wizard-send-whatsapp {
    background: var(--success);
    color: var(--bg-main);
    box-shadow: 0 4px 14px var(--success-glow);
}
#wizard-send-whatsapp:hover {
    background: #00ff88;
    box-shadow: 0 6px 20px var(--success-glow);
    transform: translateY(-2px);
}

/* FAQ Accordion */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.faq-item {
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition);
}
.faq-question {
    padding: 20px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    user-select: none;
    transition: var(--transition);
}
.faq-question h3 {
    font-size: 1.05rem;
    font-weight: 600;
    line-height: 1.4;
    transition: var(--transition);
}
.faq-icon {
    font-size: 1.4rem;
    color: var(--text-muted);
    transition: transform 0.3s ease;
    display: flex;
    align-items: center;
}
.faq-answer {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.4s ease;
    background: rgba(0, 0, 0, 0.15);
    border-top: 1px solid transparent;
}
.faq-answer p {
    padding: 20px 24px;
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* FAQ Active State */
.faq-item.active {
    border-color: var(--primary);
    box-shadow: 0 4px 20px var(--primary-glow);
}
.faq-item.active .faq-question {
    background: rgba(0, 210, 255, 0.04);
}
.faq-item.active .faq-question h3 {
    color: var(--primary);
}
.faq-item.active .faq-icon {
    transform: rotate(45deg);
    color: var(--primary);
}
.faq-item.active .faq-answer {
    opacity: 1;
    border-color: var(--border-color);
}

/* AI HUD and Channel 4 styling */
.ai-feed-view {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    height: 100%;
    padding: 10px 0;
}
.ai-hud-box {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(0, 210, 255, 0.15);
    border-radius: 6px;
    padding: 12px;
    width: 170px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 6px;
    pointer-events: auto;
}
.hud-row {
    display: flex;
    justify-content: space-between;
}
.hud-lbl {
    color: var(--text-muted);
}
.hud-val {
    font-weight: bold;
}
.text-green { color: var(--success); }
.text-cyan { color: var(--primary); }
.text-red { color: #ff453a; }

/* Responsive Overrides */
@media (max-width: 1024px) {
    .tools-grid {
        grid-template-columns: 1fr;
        padding: 30px 20px;
    }
    .wizard-results-wrapper {
        grid-template-columns: 1fr;
    }
}
@media (max-width: 768px) {
    .form-row-calc {
        grid-template-columns: 1fr;
    }
    .wizard-steps .step .step-lbl {
        display: none;
    }
}

/* Grouped Systems Grid for Wizard Step 2 */
.wizard-systems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.system-group-card {
    padding: 24px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.system-group-card:hover {
    border-color: var(--primary);
    background: rgba(0, 210, 255, 0.03);
    box-shadow: 0 0 15px rgba(0, 210, 255, 0.05);
}

.system-group-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}

.system-group-header i {
    font-size: 1.4rem;
    color: var(--primary);
}

.system-group-header h4 {
    font-size: 0.95rem;
    font-weight: 700;
    font-family: var(--font-heading);
}

.system-group-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.wizard-checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
    user-select: none;
    font-size: 0.85rem;
    color: var(--text-muted);
    transition: var(--transition);
    line-height: 1.3;
}

.wizard-checkbox-label input {
    display: none;
}

.custom-checkbox {
    width: 16px;
    height: 16px;
    border: 1.5px solid var(--border-color);
    border-radius: 4px;
    background: rgba(0, 0, 0, 0.2);
    position: relative;
    transition: var(--transition);
    flex-shrink: 0;
    margin-top: 1px;
}

.wizard-checkbox-label input:checked + .custom-checkbox {
    border-color: var(--primary);
    background: rgba(0, 210, 255, 0.15);
    box-shadow: 0 0 8px var(--primary-glow);
}

.wizard-checkbox-label input:checked + .custom-checkbox::after {
    content: '\eb7b'; /* Remix check icon */
    font-family: 'remixicon' !important;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--primary);
    font-size: 0.75rem;
    font-weight: bold;
}

.wizard-checkbox-label:hover {
    color: var(--text-main);
}

.wizard-checkbox-label input:checked ~ span[data-i18n] {
    color: var(--primary);
    font-weight: 500;
}