@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
    /* Color System */
    --deep-space: #030712;
    --midnight-blue: #091320;
    --surface: #101B2D;
    
    --floating-cards: rgba(255, 255, 255, 0.05);
    --glass-hover: rgba(255, 255, 255, 0.10);
    
    --electric-cyan: #00F5FF;
    --aurora-green: #34F5C5;
    --quantum-violet: #8B6BFF;
    --solar-amber: #FFBC52;
    --coral-pulse: #FF6F7D;
    
    --primary-text: #FFFFFF;
    --secondary-text: #D1DAE6;
    --muted-text: #91A0B5;
    
    --border: rgba(255, 255, 255, 0.08);
    --soft-glow: rgba(0, 245, 255, 0.30);

    /* Typography */
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Layout */
    --container-width: 1400px;
    --nav-height: 80px;
    --border-radius: 24px;
    --border-radius-sm: 12px;
    --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: smooth;
    background-color: var(--deep-space);
}

body {
    font-family: var(--font-body);
    color: var(--primary-text);
    background-color: var(--deep-space);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: clamp(3rem, 5vw, 5.5rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(2rem, 4vw, 3.5rem); letter-spacing: -0.01em; }
h3 { font-size: clamp(1.5rem, 3vw, 2.5rem); }
h4 { font-size: 1.25rem; }

p {
    color: var(--secondary-text);
    margin-bottom: 1.5rem;
    font-size: 1.125rem;
}

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

a:hover {
    color: var(--aurora-green);
}

/* Utilities */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 5%;
}

.text-center { text-align: center; }
.text-gradient {
    background: linear-gradient(135deg, var(--electric-cyan), var(--aurora-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.text-gradient-violet {
    background: linear-gradient(135deg, var(--quantum-violet), var(--electric-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-padding { padding: 8rem 0; }
.mb-2 { margin-bottom: 2rem; }
.mt-4 { margin-top: 4rem; }

/* Glassmorphism Components */
.glass-panel {
    background: var(--floating-cards);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    padding: 2.5rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}

.glass-panel:hover {
    background: var(--glass-hover);
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
}

.glass-panel::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    opacity: 0;
    transition: var(--transition);
}

.glass-panel:hover::before {
    opacity: 1;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 1rem;
    border-radius: 100px;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: none;
    letter-spacing: 0.5px;
}

.btn-primary {
    background: var(--primary-text);
    color: var(--deep-space);
}

.btn-primary:hover {
    background: var(--secondary-text);
    box-shadow: 0 0 20px rgba(255,255,255,0.2);
}

.btn-neon {
    background: transparent;
    color: var(--electric-cyan);
    border: 1px solid var(--electric-cyan);
    box-shadow: 0 0 15px rgba(0, 245, 255, 0.1);
}

.btn-neon:hover {
    background: rgba(0, 245, 255, 0.1);
    box-shadow: 0 0 25px rgba(0, 245, 255, 0.3), inset 0 0 10px rgba(0, 245, 255, 0.2);
    text-shadow: 0 0 8px rgba(0, 245, 255, 0.5);
}

.btn-glass {
    background: var(--floating-cards);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    color: var(--primary-text);
}

.btn-glass:hover {
    background: var(--glass-hover);
    border-color: var(--electric-cyan);
}

/* Scroll Progress */
#scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--electric-cyan), var(--quantum-violet));
    width: 0%;
    z-index: 9999;
    transition: width 0.1s ease;
}

/* Header & Navigation */
header {
    position: fixed;
    top: 0;
    width: 100%;
    height: var(--nav-height);
    z-index: 1000;
    transition: var(--transition);
    display: flex;
    align-items: center;
}

header.scrolled {
    background: rgba(3, 7, 18, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 5%;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-text);
    letter-spacing: -1px;
}

.logo span {
    color: var(--electric-cyan);
}

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

.nav-links a {
    color: var(--secondary-text);
    font-size: 0.95rem;
    font-weight: 500;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--electric-cyan);
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--primary-text);
}

.nav-links a:hover::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--primary-text);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: var(--nav-height);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: 
        radial-gradient(circle at 15% 50%, rgba(0, 245, 255, 0.08), transparent 50%),
        radial-gradient(circle at 85% 30%, rgba(139, 107, 255, 0.08), transparent 50%);
    z-index: 1;
}

.mesh-grid {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background-image: 
        linear-gradient(var(--border) 1px, transparent 1px),
        linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.2;
    z-index: 1;
    transform: perspective(500px) rotateX(60deg);
    transform-origin: bottom;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { background-position: 0 0; }
    100% { background-position: 0 50px; }
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 2.5rem;
}

/* Dashboard Widgets */
.dashboard-widgets {
    position: absolute;
    right: 5%;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    width: 300px;
}

.widget {
    background: rgba(16, 27, 45, 0.6);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: var(--border-radius-sm);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.widget-icon {
    width: 40px; height: 40px;
    border-radius: 50%;
    background: rgba(0, 245, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--electric-cyan);
}

.widget-data h5 { margin: 0; font-size: 0.9rem; color: var(--muted-text); }
.widget-data span { font-size: 1.25rem; font-weight: 600; font-family: var(--font-heading); color: var(--primary-text); }

/* Grid Layouts */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; }

/* Timeline */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0; left: 50%;
    width: 2px; height: 100%;
    background: linear-gradient(to bottom, var(--electric-cyan), var(--quantum-violet), var(--surface));
    transform: translateX(-50%);
}

.timeline-item {
    display: flex;
    justify-content: flex-end;
    padding-right: 50%;
    position: relative;
    margin-bottom: 3rem;
    width: 100%;
}

.timeline-item:nth-child(even) {
    justify-content: flex-start;
    padding-right: 0;
    padding-left: 50%;
}

.timeline-content {
    width: 80%;
    background: var(--surface);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border);
    position: relative;
}

.timeline-content::before {
    content: '';
    position: absolute;
    top: 20px;
    width: 20px; height: 2px;
    background: var(--electric-cyan);
}

.timeline-item:nth-child(odd) .timeline-content::before { right: -20px; }
.timeline-item:nth-child(even) .timeline-content::before { left: -20px; }

.timeline-dot {
    position: absolute;
    top: 15px; left: 50%;
    width: 12px; height: 12px;
    background: var(--deep-space);
    border: 2px solid var(--electric-cyan);
    border-radius: 50%;
    transform: translateX(-50%);
    z-index: 2;
    box-shadow: 0 0 10px var(--electric-cyan);
}

/* FAQ Accordion */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--border-radius-sm);
    margin-bottom: 1rem;
    overflow: hidden;
}

.faq-question {
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 1.1rem;
    transition: var(--transition);
}

.faq-question:hover { background: var(--glass-hover); }

.faq-icon {
    width: 24px; height: 24px;
    position: relative;
}

.faq-icon::before, .faq-icon::after {
    content: '';
    position: absolute;
    background: var(--electric-cyan);
    transition: var(--transition);
}

.faq-icon::before { top: 11px; left: 0; width: 24px; height: 2px; }
.faq-icon::after { top: 0; left: 11px; width: 2px; height: 24px; }

.faq-item.active .faq-icon::after { transform: rotate(90deg); opacity: 0; }
.faq-item.active .faq-question { color: var(--electric-cyan); }

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out;
    padding: 0 1.5rem;
}

.faq-item.active .faq-answer {
    padding: 0 1.5rem 1.5rem 1.5rem;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--secondary-text);
    font-size: 0.9rem;
}

.form-control {
    width: 100%;
    background: rgba(3, 7, 18, 0.5);
    border: 1px solid var(--border);
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius-sm);
    color: var(--primary-text);
    font-family: var(--font-body);
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--electric-cyan);
    box-shadow: 0 0 15px rgba(0, 245, 255, 0.1);
}

select.form-control {
    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='%23D1DAE6' 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;
}

/* Footer */
footer {
    background: var(--midnight-blue);
    border-top: 1px solid var(--border);
    padding: 4rem 0 2rem;
    margin-top: 4rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-heading {
    color: var(--primary-text);
    font-family: var(--font-heading);
    margin-bottom: 1.5rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

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

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

.footer-bottom {
    border-top: 1px solid var(--border);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--muted-text);
    font-size: 0.9rem;
}

/* Cookie Banner */
#cookie-banner {
    position: fixed;
    bottom: 20px;
    left: 20px;
    right: 20px;
    max-width: 600px;
    margin: 0 auto;
    z-index: 10000;
    transform: translateY(150%);
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

#cookie-banner.show {
    transform: translateY(0);
}

.cookie-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

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

.cookie-buttons button {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

/* Scroll Reveal Classes */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Icons via inline CSS structures */
.sys-icon {
    display: inline-block;
    width: 24px; height: 24px;
    stroke-width: 0;
    stroke: currentColor;
    fill: currentColor;
}

/* Media Queries */
@media (max-width: 1200px) {
    .dashboard-widgets { display: none; }
}

@media (max-width: 992px) {
    h1 { font-size: 3rem; }
    .grid-4, .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .timeline::before { left: 20px; }
    .timeline-item { justify-content: flex-start; padding-right: 0; padding-left: 50px; margin-bottom: 2rem; }
    .timeline-item:nth-child(even) { padding-left: 50px; }
    .timeline-content { width: 100%; }
    .timeline-dot { left: 20px; }
    .timeline-content::before { display: none; }
    .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: var(--nav-height);
        left: -100%;
        width: 100%;
        height: calc(100vh - var(--nav-height));
        background: rgba(3, 7, 18, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        transition: var(--transition);
    }
    .nav-links.active { left: 0; }
    .mobile-menu-btn { display: block; }
    .hero-buttons { flex-direction: column; }
    .grid-2 { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
}

@media (max-width: 576px) {
    .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
    .section-padding { padding: 4rem 0; }
}