/* ============================================================================
   AETHERIS CLOUD GROUP - DESIGN SYSTEM
   Theme: Cyber-Enterprise Dark (High-fidelity Indigo, Purple, and Neon Cyan)
   ============================================================================ */

:root {
    --bg-primary: #0a0a14;
    --bg-secondary: #111122;
    --accent: #00f2fe;
    --accent-glow: rgba(0, 242, 254, 0.4);
    --primary: #8a2be2;
    --primary-glow: rgba(138, 43, 226, 0.4);
    --text-primary: #ffffff;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(0, 242, 254, 0.3);
    --glass-bg: rgba(17, 17, 34, 0.6);
    --glass-border: rgba(255, 255, 255, 0.05);
    
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-display: 'Outfit', var(--font-sans);
    
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
}

.font-outfit {
    font-family: var(--font-display);
}

.font-neon {
    font-family: var(--font-display);
    font-weight: 600;
    letter-spacing: 0.05em;
    text-shadow: 0 0 10px var(--accent-glow);
}

/* Glowing Background Blobs */
.glow-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -2;
    overflow: hidden;
    pointer-events: none;
}

.glow-bg::before,
.glow-bg::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    filter: blur(140px);
    opacity: 0.15;
}

.glow-bg::before {
    top: -10%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--primary) 0%, transparent 70%);
    animation: pulse 12s infinite alternate;
}

.glow-bg::after {
    bottom: -10%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
    animation: pulse 16s infinite alternate-reverse;
}

@keyframes pulse {
    0% { transform: scale(1) translate(0, 0); }
    100% { transform: scale(1.2) translate(50px, 30px); }
}

/* Cyber Grid Overlay */
.grid-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.007) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.007) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: -1;
    pointer-events: none;
}

/* Utility Components */
.gradient-text {
    background: linear-gradient(135deg, #ffffff 0%, var(--accent) 50%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.accent-text {
    color: var(--accent);
    text-shadow: 0 0 10px var(--accent-glow);
}

.glass-panel {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 16px;
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--accent) 0%, var(--primary) 100%);
    color: #05050a;
    border: none;
    box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0, 242, 254, 0.6);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--accent);
    box-shadow: 0 0 10px rgba(0, 242, 254, 0.1);
}

.btn-outline:hover {
    background: rgba(0, 242, 254, 0.1);
    box-shadow: 0 0 20px var(--accent-glow);
    transform: translateY(-2px);
}

.btn-glass {
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(8px);
}

.btn-glass:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.w-full {
    width: 100%;
}

/* Header & Nav */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background: rgba(10, 10, 20, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-smooth);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 800;
}

.logo-symbol {
    color: var(--accent);
    font-size: 1.8rem;
    animation: rotate-slow 20s infinite linear;
}

@keyframes rotate-slow {
    100% { transform: rotate(360deg); }
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition-smooth);
}

.nav-link:hover {
    color: var(--accent);
    text-shadow: 0 0 8px var(--accent-glow);
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: transparent;
    border: none;
    cursor: pointer;
}

.mobile-toggle span {
    width: 25px;
    height: 2px;
    background-color: var(--text-primary);
    transition: var(--transition-smooth);
}

/* Hero Section */
.hero-section {
    padding: 160px 24px 100px;
    display: flex;
    justify-content: center;
    text-align: center;
}

.hero-container {
    max-width: 800px;
}

.badge-container {
    margin-bottom: 24px;
}

.hero-badge {
    background: rgba(0, 242, 254, 0.05);
    border: 1px solid rgba(0, 242, 254, 0.2);
    padding: 8px 18px;
    border-radius: 50px;
    color: var(--accent);
    font-family: var(--font-display);
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    box-shadow: 0 0 15px rgba(0, 242, 254, 0.05);
}

.hero-title {
    font-family: var(--font-display);
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    font-weight: 300;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 48px;
}

.hero-meta {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    color: var(--text-muted);
    font-family: var(--font-display);
    font-size: 0.9rem;
}

.meta-divider {
    color: var(--border-color);
}

/* Section Common Layouts */
section {
    padding: 100px 24px;
}

.section-container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-title {
    font-family: var(--font-display);
    font-size: 0.85rem;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 12px;
}

.section-subtitle {
    font-family: var(--font-display);
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 20px;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 1.05rem;
    font-weight: 300;
}

/* Platform Topology Section */
.topology-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 40px;
    align-items: start;
}

.tab-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.tab-btn {
    display: flex;
    align-items: center;
    gap: 20px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    padding: 20px;
    border-radius: 12px;
    text-align: left;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.tab-btn:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--border-hover);
}

.tab-btn.active {
    background: rgba(0, 242, 254, 0.03);
    border-color: var(--accent);
    box-shadow: 0 0 15px rgba(0, 242, 254, 0.05);
}

.tab-icon {
    font-size: 2rem;
    background: rgba(255, 255, 255, 0.03);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    transition: var(--transition-smooth);
}

.tab-btn.active .tab-icon {
    background: rgba(0, 242, 254, 0.1);
    border-color: var(--accent);
    box-shadow: 0 0 10px var(--accent-glow);
}

.tab-info h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.tab-info p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.panel-container {
    height: 100%;
}

.tab-panel {
    display: none;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(12px);
    padding: 40px;
    border-radius: 16px;
    height: 100%;
    animation: fade-in 0.5s ease-out forwards;
}

.tab-panel.active {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

@keyframes fade-in {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.panel-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.panel-badge-icon {
    font-size: 1.5rem;
    color: var(--accent);
    background: rgba(0, 242, 254, 0.1);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    border: 1px solid var(--accent);
}

.panel-header h2 {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 700;
}

.panel-content p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 40px;
}

.panel-metrics {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.metric-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    padding: 20px;
    border-radius: 12px;
}

.metric-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
}

.metric-value {
    font-size: 1.6rem;
    color: var(--accent);
}

/* Borderless Integration Hub */
.integration-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.integration-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(12px);
    padding: 40px;
    border-radius: 16px;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.integration-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    transform: translateX(-100%);
    transition: var(--transition-smooth);
}

.integration-card:hover::before {
    transform: translateX(100%);
    transition: all 1s ease;
}

.integration-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(0, 242, 254, 0.03);
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 24px;
}

.integration-card h3 {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.integration-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Telemetry Section */
.telemetry-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.chart-container {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(12px);
    padding: 32px;
    border-radius: 16px;
}

.chart-container h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 32px;
    color: var(--text-primary);
}

.bar-chart {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.chart-bar-group {
    display: grid;
    grid-template-columns: 140px 1fr 100px;
    align-items: center;
    gap: 16px;
}

.chart-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.bar-wrapper {
    background: rgba(255, 255, 255, 0.03);
    height: 12px;
    border-radius: 6px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.bar {
    height: 100%;
    border-radius: 6px;
    width: 0; /* Animated via load */
    transition: width 1.5s cubic-bezier(0.1, 1, 0.1, 1);
}

.bar-legacy {
    background: #ef4444;
}

.bar-cloud {
    background: #f59e0b;
}

.bar-aetheris {
    background: linear-gradient(90deg, var(--accent) 0%, var(--primary) 100%);
    box-shadow: 0 0 10px var(--accent-glow);
}

.bar-legacy-concur {
    background: #ef4444;
}

.bar-cloud-concur {
    background: #f59e0b;
}

.bar-aetheris-concur {
    background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
    box-shadow: 0 0 10px var(--accent-glow);
}

.chart-value {
    font-size: 0.95rem;
    text-align: right;
    color: var(--text-secondary);
}

.active-group .chart-label {
    color: var(--accent);
    font-weight: 600;
}

/* Discovery Form */
.discovery-card {
    padding: 60px;
    max-width: 800px;
    margin: 0 auto;
}

.discovery-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

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

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

.form-group input,
.form-group select,
.form-group textarea {
    background: rgba(10, 10, 20, 0.5);
    border: 1px solid var(--border-color);
    padding: 14px 18px;
    border-radius: 8px;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 10px rgba(0, 242, 254, 0.15);
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2394a3b8'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 18px center;
    background-size: 16px;
    padding-right: 48px;
}

.form-group select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.form-actions {
    margin-top: 12px;
}

/* Spinner */
.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(5, 5, 10, 0.3);
    border-top: 2px solid #05050a;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    display: inline-block;
}

.hidden {
    display: none !important;
}

@keyframes spin {
    100% { transform: rotate(360deg); }
}

.form-success-message {
    text-align: center;
    padding: 40px 0;
    animation: fade-in 0.6s ease-out forwards;
}

.success-icon {
    font-size: 3rem;
    color: var(--accent);
    display: inline-block;
    margin-bottom: 24px;
    animation: pulse-slow 2s infinite alternate;
}

@keyframes pulse-slow {
    0% { transform: scale(1); filter: drop-shadow(0 0 2px var(--accent-glow)); }
    100% { transform: scale(1.1); filter: drop-shadow(0 0 10px var(--accent)); }
}

.form-success-message h3 {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.form-success-message p {
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto;
}

/* Footer */
.main-footer {
    background: #05050a;
    border-top: 1px solid var(--border-color);
    padding: 60px 24px;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 32px;
    align-items: center;
    text-align: center;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.brand-symbol {
    color: var(--accent);
    font-size: 1.5rem;
}

.brand-name {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
}

.footer-disclosure {
    color: var(--text-muted);
    font-size: 0.85rem;
    max-width: 800px;
    line-height: 1.7;
}

.footer-copyright {
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* Mobile Responsiveness */
@media (max-width: 900px) {
    .topology-grid {
        grid-template-columns: 1fr;
    }
    .panel-metrics {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .nav-menu {
        display: none; /* Can add burger menu logic if needed */
    }
    
    .header-cta {
        display: none;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .integration-grid,
    .telemetry-grid,
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .chart-bar-group {
        grid-template-columns: 100px 1fr 80px;
    }
    
    .discovery-card {
        padding: 30px;
    }
}