/* ===================================================================
   AVATROS Live AI Studio - Premium Cyber-Dark Design System
   =================================================================== */

:root {
    /* Color Palette */
    --bg-main: #06080d;
    --bg-card: rgba(13, 17, 27, 0.75);
    --bg-card-hover: rgba(20, 27, 43, 0.85);
    --bg-glass: rgba(255, 255, 255, 0.03);
    
    /* Neon & Accent Colors */
    --cyan: #00f5d4;
    --cyan-glow: rgba(0, 245, 212, 0.35);
    --purple: #9d4edd;
    --purple-deep: #7b2cbf;
    --purple-glow: rgba(157, 78, 221, 0.35);
    --blue: #3a86ff;
    --emerald: #10b981;
    --pink: #f72585;
    --amber: #f59e0b;
    
    /* Typography */
    --text-primary: #ffffff;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    /* Borders & Outlines */
    --border-subtle: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(0, 245, 212, 0.3);
    --border-card: rgba(148, 163, 184, 0.12);
    
    /* Layout & Fonts */
    --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-heading: 'Space Grotesk', sans-serif;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 30px;
    --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Base Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-main);
    overflow-x: hidden;
}

body {
    min-height: 100vh;
    line-height: 1.6;
    position: relative;
    background: radial-gradient(circle at 50% 0%, #0d121f 0%, var(--bg-main) 70%);
}

/* Ambient Glow & Grid */
.ambient-glow {
    position: fixed;
    border-radius: 50%;
    filter: blur(140px);
    pointer-events: none;
    z-index: 0;
    opacity: 0.55;
}

.glow-cyan {
    top: -100px;
    right: 10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--cyan-glow) 0%, transparent 70%);
}

.glow-purple {
    top: 30%;
    left: -150px;
    width: 650px;
    height: 650px;
    background: radial-gradient(circle, var(--purple-glow) 0%, transparent 70%);
}

.ambient-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: 0;
}

/* Container */
.container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 1.5rem;
    position: relative;
    z-index: 1;
}

/* Typography Helpers */
.gradient-text {
    background: linear-gradient(135deg, #00f5d4 0%, #3a86ff 50%, #9d4edd 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.section-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--cyan);
    background: rgba(0, 245, 212, 0.1);
    border: 1px solid rgba(0, 245, 212, 0.25);
    padding: 6px 14px;
    border-radius: 100px;
    margin-bottom: 1rem;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.75rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.section-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 720px;
    margin: 0 auto;
    line-height: 1.7;
}

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

/* Glass Panels */
.glass-panel {
    background: var(--bg-card);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
    transition: var(--transition-smooth);
}

.glow-border {
    position: relative;
}

.glow-border::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: calc(var(--radius-lg) + 1px);
    padding: 1px;
    background: linear-gradient(135deg, rgba(0, 245, 212, 0.4), transparent 40%, rgba(157, 78, 221, 0.4));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.85rem 1.75rem;
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: var(--transition-fast);
    cursor: pointer;
    border: 1px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, #00f5d4 0%, #00bbf9 50%, #7b2cbf 100%);
    background-size: 200% 200%;
    color: #050811;
    font-weight: 700;
    box-shadow: 0 10px 25px rgba(0, 245, 212, 0.25);
}

.btn-primary:hover {
    background-position: right center;
    transform: translateY(-2px);
    box-shadow: 0 15px 35px rgba(0, 245, 212, 0.4);
}

.btn-glow {
    position: relative;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 1px solid var(--border-card);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 1.1rem 2rem;
    font-size: 1.05rem;
    border-radius: var(--radius-lg);
}

.btn-xl {
    padding: 1.3rem 2.5rem;
    font-size: 1.15rem;
    border-radius: var(--radius-xl);
}

.btn-text-wrap {
    display: flex;
    flex-direction: column;
    text-align: left;
}

.btn-primary-text {
    font-size: 1.15rem;
    line-height: 1.2;
}

.btn-sub-text {
    font-size: 0.78rem;
    opacity: 0.85;
    font-weight: 500;
}

/* Navigation Bar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 80px;
    display: flex;
    align-items: center;
    z-index: 100;
    transition: var(--transition-smooth);
    background: rgba(6, 8, 13, 0.5);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.navbar.scrolled {
    background: rgba(6, 8, 13, 0.92);
    border-bottom-color: var(--border-subtle);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
}

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

.brand-logo {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    text-decoration: none;
}

.nav-logo-img {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    object-fit: cover;
    box-shadow: 0 0 20px rgba(0, 245, 212, 0.3);
    border: 1px solid rgba(0, 245, 212, 0.4);
}

.brand-name {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: #ffffff;
}

.brand-badge {
    display: block;
    font-size: 0.65rem;
    font-weight: 800;
    letter-spacing: 0.15em;
    color: var(--cyan);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
}

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

.mobile-toggle {
    display: none;
    background: transparent;
    border: none;
    color: #fff;
    font-size: 1.4rem;
    cursor: pointer;
}

/* Hero Section */
.hero-section {
    padding-top: 160px;
    padding-bottom: 90px;
    position: relative;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 3.5rem;
    align-items: center;
}

.hero-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    background: rgba(0, 245, 212, 0.08);
    border: 1px solid rgba(0, 245, 212, 0.2);
    padding: 6px 14px;
    border-radius: 100px;
    margin-bottom: 1.5rem;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background-color: var(--cyan);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--cyan);
    animation: pulse 1.8s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 245, 212, 0.7); }
    70% { transform: scale(1.1); box-shadow: 0 0 0 8px rgba(0, 245, 212, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 245, 212, 0); }
}

.pill-text {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--cyan);
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 3.6rem;
    font-weight: 800;
    line-height: 1.12;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 2.5rem;
    max-width: 580px;
}

.hero-cta-group {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-subtle);
}

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

.stat-number {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 800;
    color: #fff;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.stat-divider {
    width: 1px;
    height: 35px;
    background: var(--border-subtle);
}

/* Mockup Visual */
.mockup-card {
    overflow: hidden;
    background: #090d16;
}

.mockup-top-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 18px;
    background: rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid var(--border-subtle);
}

.traffic-lights {
    display: flex;
    gap: 6px;
}

.traffic-lights .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.dot.red { background: #ef4444; }
.dot.yellow { background: #f59e0b; }
.dot.green { background: #10b981; }

.mockup-title {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-muted);
}

.status-live-badge {
    font-size: 0.72rem;
    font-weight: 700;
    color: #10b981;
    display: flex;
    align-items: center;
    gap: 5px;
}

.status-live-badge i {
    font-size: 0.5rem;
    animation: blink 1.2s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.2; }
}

.mockup-image-wrapper {
    position: relative;
    overflow: hidden;
}

.mockup-img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
}

.mockup-card:hover .mockup-img {
    transform: scale(1.02);
}

.overlay-badge {
    position: absolute;
    padding: 6px 14px;
    background: rgba(8, 12, 22, 0.85);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 700;
    color: #fff;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
}

.overlay-badge.top-left {
    top: 16px;
    left: 16px;
    color: var(--cyan);
    border-color: rgba(0, 245, 212, 0.4);
}

.overlay-badge.bottom-right {
    bottom: 16px;
    right: 16px;
    color: #f72585;
    border-color: rgba(247, 37, 133, 0.4);
}

/* Partners / Platforms Strip */
.partners-strip {
    padding: 2.5rem 0;
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
    background: rgba(255, 255, 255, 0.01);
}

.strip-label {
    text-align: center;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.platforms-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.platform-chip {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 8px 18px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 600;
    transition: var(--transition-fast);
}

.platform-chip:hover {
    background: rgba(0, 245, 212, 0.08);
    border-color: rgba(0, 245, 212, 0.3);
    color: #fff;
    transform: translateY(-2px);
}

/* Sections Common */
.section {
    padding: 100px 0;
    position: relative;
}

.section-header {
    margin-bottom: 4rem;
}

/* Interactive Comparison Slider */
.comparison-card {
    max-width: 980px;
    margin: 0 auto;
    padding: 1rem;
    background: #090c14;
}

.comparison-wrapper {
    position: relative;
    width: 100%;
    height: 480px;
    border-radius: var(--radius-md);
    overflow: hidden;
    user-select: none;
}

.comp-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.comp-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    pointer-events: none;
}

.comp-before {
    z-index: 1;
}

.comp-before img {
    filter: blur(2px) contrast(0.9) brightness(0.85); /* Simulate unenhanced raw swap */
}

.comp-after {
    z-index: 2;
    clip-path: polygon(0 0, 50% 0, 50% 100%, 0 100%);
}

.comp-tag {
    position: absolute;
    top: 20px;
    padding: 6px 14px;
    background: rgba(6, 8, 13, 0.85);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 700;
    backdrop-filter: blur(8px);
    z-index: 5;
}

.tag-before {
    right: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-secondary);
}

.tag-after {
    left: 20px;
    border: 1px solid var(--cyan);
    color: var(--cyan);
    box-shadow: 0 0 15px rgba(0, 245, 212, 0.3);
}

.comparison-handle {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 4px;
    background: var(--cyan);
    box-shadow: 0 0 15px var(--cyan);
    z-index: 10;
    cursor: ew-resize;
    transform: translateX(-50%);
}

.handle-line {
    width: 100%;
    height: 100%;
}

.handle-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 44px;
    height: 44px;
    background: #06080d;
    border: 2px solid var(--cyan);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cyan);
    box-shadow: 0 0 20px rgba(0, 245, 212, 0.6);
}

.comparison-hint {
    text-align: center;
    margin-top: 1rem;
    font-size: 0.88rem;
    color: var(--text-muted);
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.feature-card {
    padding: 2.2rem;
    background: var(--bg-card);
    transition: var(--transition-smooth);
    border: 1px solid var(--border-card);
}

.feature-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-6px);
    border-color: rgba(0, 245, 212, 0.3);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.6), 0 0 30px rgba(0, 245, 212, 0.1);
}

.feature-icon {
    width: 58px;
    height: 58px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.cyan-glow {
    background: rgba(0, 245, 212, 0.1);
    color: var(--cyan);
    border: 1px solid rgba(0, 245, 212, 0.3);
}

.purple-glow {
    background: rgba(157, 78, 221, 0.1);
    color: var(--purple);
    border: 1px solid rgba(157, 78, 221, 0.3);
}

.blue-glow {
    background: rgba(58, 134, 255, 0.1);
    color: var(--blue);
    border: 1px solid rgba(58, 134, 255, 0.3);
}

.emerald-glow {
    background: rgba(16, 185, 129, 0.1);
    color: var(--emerald);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.pink-glow {
    background: rgba(247, 37, 133, 0.1);
    color: var(--pink);
    border: 1px solid rgba(247, 37, 133, 0.3);
}

.amber-glow {
    background: rgba(245, 158, 11, 0.1);
    color: var(--amber);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.feature-title {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 0.85rem;
    color: #fff;
}

.feature-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.25rem;
}

.feature-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.feature-list li {
    font-size: 0.85rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.feature-list li i {
    color: var(--cyan);
    font-size: 0.75rem;
}

/* Steps Section */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.step-card {
    padding: 2.5rem 2rem;
    position: relative;
    border: 1px solid var(--border-card);
}

.step-badge {
    position: absolute;
    top: -15px;
    left: 25px;
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--cyan), var(--blue));
    color: #050811;
    font-weight: 800;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 15px var(--cyan);
}

.step-icon {
    font-size: 2.2rem;
    color: var(--cyan);
    margin-bottom: 1.25rem;
}

.step-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: #fff;
}

.step-desc {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Hardware Requirements & Calculator */
.hardware-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    padding: 3rem;
}

.calc-title, .specs-table-title {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.calc-title i, .specs-table-title i {
    color: var(--cyan);
}

.calc-subtitle {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.gpu-selector-wrap {
    margin-bottom: 1.75rem;
}

.gpu-selector-wrap label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.form-select {
    width: 100%;
    padding: 0.9rem 1.2rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-md);
    color: #fff;
    font-family: var(--font-main);
    font-size: 0.95rem;
    font-weight: 600;
    outline: none;
    cursor: pointer;
    transition: var(--transition-fast);
}

.form-select:focus {
    border-color: var(--cyan);
    box-shadow: 0 0 15px rgba(0, 245, 212, 0.25);
}

.form-select option {
    background: #0c101c;
    color: #fff;
}

.calc-results-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
}

.calc-result-box {
    padding: 1.25rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.calc-res-label {
    font-size: 0.78rem;
    color: var(--text-muted);
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.calc-res-value {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
}

.calc-res-value.cyan { color: var(--cyan); }
.calc-res-value.purple { color: var(--purple); }
.calc-res-value.green { color: var(--emerald); }

.specs-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1.5rem;
}

.specs-table th, .specs-table td {
    padding: 0.9rem 1rem;
    text-align: left;
    font-size: 0.88rem;
    border-bottom: 1px solid var(--border-subtle);
}

.specs-table th {
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}

.specs-table td {
    color: var(--text-secondary);
}

.specs-table td:first-child {
    font-weight: 600;
    color: #fff;
}

/* Download Card */
.download-card {
    padding: 4.5rem 2rem;
    background: radial-gradient(circle at 50% 0%, rgba(0, 245, 212, 0.08) 0%, var(--bg-card) 75%);
}

.download-title {
    font-family: var(--font-heading);
    font-size: 2.85rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: #fff;
}

.download-description {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 650px;
    margin: 0 auto 2rem;
}

.download-info-chips {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
}

.info-chip {
    padding: 6px 16px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-subtle);
    border-radius: 100px;
    font-size: 0.82rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.45rem;
}

.info-chip strong {
    color: #fff;
}

.download-action-wrap {
    display: flex;
    justify-content: center;
    margin-bottom: 2rem;
}

.download-notes {
    max-width: 620px;
    margin: 0 auto;
}

.note-text {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* FAQ Accordion */
.faq-accordion {
    max-width: 820px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-item {
    border: 1px solid var(--border-card);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    text-align: left;
    padding: 1.35rem 1.75rem;
    background: transparent;
    border: none;
    color: #fff;
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    transition: var(--transition-fast);
}

.faq-question:hover {
    color: var(--cyan);
}

.faq-question i {
    font-size: 0.9rem;
    transition: transform 0.3s ease;
    color: var(--cyan);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    background: rgba(0, 0, 0, 0.2);
}

.faq-answer p {
    padding: 0 1.75rem 1.5rem;
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Footer */
.footer {
    padding-top: 80px;
    background: #040609;
    border-top: 1px solid var(--border-subtle);
}

.footer-container {
    display: grid;
    grid-template-columns: 1.2fr 2fr;
    gap: 4rem;
    padding-bottom: 60px;
}

.footer-tagline {
    margin-top: 1.25rem;
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
    max-width: 320px;
}

.footer-links-group {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-col {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-col-title {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.5rem;
}

.footer-col a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.88rem;
    transition: var(--transition-fast);
}

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

.footer-muted {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer-bottom {
    padding: 20px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.bottom-flex {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.82rem;
    color: var(--text-muted);
}

.security-badges {
    display: flex;
    gap: 1.5rem;
}

.security-badges span {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--emerald);
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }

    .hero-subtitle {
        margin: 0 auto 2.5rem;
    }

    .hero-cta-group {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

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

    .hardware-container {
        grid-template-columns: 1fr;
    }
}

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

    .mobile-toggle {
        display: block;
    }

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

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

    .footer-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .footer-links-group {
        grid-template-columns: 1fr;
    }

    .bottom-flex {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .comparison-wrapper {
        height: 300px;
    }

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

    .form-row {
        grid-template-columns: 1fr;
    }
}

/* ─────────────────────────────────────────────────────────────
   Contact Section & Interactive Form Styles
   ───────────────────────────────────────────────────────────── */
.contact-section {
    position: relative;
    padding: 6rem 0;
    overflow: hidden;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 2.5rem;
    align-items: start;
    margin-top: 2rem;
}

/* Contact Info Cards (Left Side) */
.contact-info-wrap {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.contact-info-card {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 1.5rem;
    border-radius: 14px;
    border: 1px solid var(--border-card);
    background: rgba(13, 17, 28, 0.6);
    backdrop-filter: blur(16px);
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.contact-info-card:hover {
    transform: translateY(-3px);
    border-color: rgba(0, 245, 212, 0.35);
    box-shadow: 0 10px 25px -10px rgba(0, 245, 212, 0.2);
}

.info-icon-box {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.2), rgba(6, 182, 212, 0.2));
    border: 1px solid rgba(0, 245, 212, 0.3);
    color: var(--cyan);
    flex-shrink: 0;
}

.info-text {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.info-label {
    font-size: 0.78rem;
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--text-muted);
}

.info-val {
    font-size: 1.05rem;
    font-weight: 700;
    color: #fff;
    text-decoration: none;
    transition: color 0.2s ease;
}

a.info-val:hover {
    color: var(--cyan);
}

.info-desc {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Contact Form (Right Side) */
.contact-form-card {
    padding: 2.5rem;
    border-radius: 18px;
    border: 1px solid var(--border-card);
    background: rgba(13, 17, 28, 0.75);
    backdrop-filter: blur(20px);
    box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.6);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.form-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-label i {
    color: var(--cyan);
    font-size: 0.85rem;
}

.form-label .req {
    color: #f43f5e;
}

.form-input {
    width: 100%;
    padding: 0.85rem 1.1rem;
    border-radius: 10px;
    background: rgba(6, 8, 13, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #fff;
    font-size: 0.95rem;
    font-family: inherit;
    transition: border-color 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease;
    outline: none;
}

.form-input:focus {
    border-color: var(--cyan);
    background: rgba(6, 8, 13, 0.9);
    box-shadow: 0 0 0 3px rgba(0, 245, 212, 0.15);
}

.form-input::placeholder {
    color: #475569;
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2300f5d4' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1em;
    padding-right: 2.5rem;
    cursor: pointer;
}

.form-select option {
    background-color: #0d111c;
    color: #fff;
    padding: 0.5rem;
}

.form-textarea {
    resize: vertical;
    min-height: 110px;
    line-height: 1.5;
}

.btn-submit-contact {
    align-self: flex-start;
    padding: 0.95rem 2.2rem;
    font-size: 1rem;
    margin-top: 0.5rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    cursor: pointer;
}

.btn-submit-contact:disabled {
    opacity: 0.65;
    cursor: not-allowed;
    filter: grayscale(0.5);
}

/* Status Feedback Alerts */
.contact-status-box {
    padding: 1rem 1.25rem;
    border-radius: 10px;
    font-size: 0.92rem;
    font-weight: 500;
    line-height: 1.5;
    animation: fadeInStatus 0.3s ease;
}

@keyframes fadeInStatus {
    from { opacity: 0; transform: translateY(-6px); }
    to { opacity: 1; transform: translateY(0); }
}

.contact-status-box.status-success {
    background: rgba(16, 185, 129, 0.12);
    border: 1px solid rgba(16, 185, 129, 0.4);
    color: #34d399;
}

.contact-status-box.status-error {
    background: rgba(239, 68, 68, 0.12);
    border: 1px solid rgba(239, 68, 68, 0.4);
    color: #f87171;
}

.contact-status-box.status-warning {
    background: rgba(245, 158, 11, 0.12);
    border: 1px solid rgba(245, 158, 11, 0.4);
    color: #fbbf24;
}