/* --- Variables & Reset --- */
:root {
    --bg-color: #050505; /* OLED Black */
    --bg-secondary: #0a0a0a;
    --text-primary: #e0e0e0;
    --text-secondary: #a0a0a0;
    --accent-color: #00f2ff; /* Cyan Neon */
    --accent-secondary: #D4AF37; /* Subtle Gold for contrast */
    
    --font-main: 'Inter', sans-serif;
    --font-header: 'Orbitron', sans-serif;
    
    --section-spacing: 120px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-main);
    overflow-x: hidden;
    line-height: 1.6;
}

/* --- Typography & Utilities --- */
h1, h2, h3, h4 {
    font-family: var(--font-header);
    text-transform: uppercase;
    letter-spacing: 2px;
}

h1.headline {
    font-size: clamp(2.5rem, 5vw, 5rem);
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

h2.section-title {
    font-size: clamp(1.8rem, 3vw, 3rem);
    margin-bottom: 2rem;
    position: relative;
    display: inline-block;
}

p.sub-headline {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: 3rem;
}

p.body-text {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.glow-text {
    color: var(--accent-color);
    text-shadow: 0 0 10px rgba(0, 242, 255, 0.5), 0 0 20px rgba(0, 242, 255, 0.3);
}

.content-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.center-text { text-align: center; }
.mb-large { margin-bottom: 4rem; }

/* --- Components --- */
/* Buttons */
.cta-button {
    padding: 1rem 2.5rem;
    background: transparent;
    border: 2px solid var(--accent-color);
    color: var(--accent-color);
    font-family: var(--font-header);
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 242, 255, 0.2), transparent);
    transition: 0.5s;
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:hover {
    background: var(--accent-color);
    color: var(--bg-color);
    box-shadow: 0 0 20px rgba(0, 242, 255, 0.5);
}

.cta-button.small {
    padding: 0.5rem 1.5rem;
    font-size: 0.8rem;
}

/* Navigation */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
    background: rgba(5, 5, 5, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.logo {
    font-family: var(--font-header);
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: 5px;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    margin: 0 1.5rem;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color 0.3s;
}

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

/* --- Sections --- */
.section-padding {
    padding: var(--section-spacing) 0;
}

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

/* Hero Section */
.hero-section {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0.4;
    z-index: -1;
    animation: breath 8s infinite ease-in-out;
}

.hero-content {
    text-align: center;
    z-index: 1;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--text-secondary);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    opacity: 0.7;
}

.arrow-down {
    width: 2px;
    height: 40px;
    background: linear-gradient(to bottom, var(--accent-color), transparent);
    margin-top: 10px;
    animation: scrollDown 2s infinite;
}

/* Split Layouts (Shift & Tech) */
.split-layout {
    display: flex;
    gap: 4rem;
    align-items: center;
}

.split-layout.reverse {
    flex-direction: row-reverse;
}

.text-block {
    flex: 1;
}

.image-block {
    flex: 1;
}

.image-block img {
    width: 100%;
    height: auto;
    border-radius: 4px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.center-vertical {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.feature-list {
    list-style: none;
    margin-top: 2rem;
}

.feature-list li {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-primary);
}

.feature-list li::before {
    content: '>';
    position: absolute;
    left: 0;
    color: var(--accent-secondary);
}

/* Tech Specific */
.tech-feature {
    margin-bottom: 3rem;
    border-left: 2px solid rgba(0, 242, 255, 0.2);
    padding-left: 1.5rem;
    transition: all 0.3s;
}

.tech-feature:hover {
    border-left-color: var(--accent-color);
}

.tech-feature h3 {
    color: var(--accent-color);
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.tech-glow {
    filter: drop-shadow(0 0 15px rgba(0, 242, 255, 0.2));
}

/* Use Cases Grid */
.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.scenario-card {
    background: rgba(255, 255, 255, 0.03);
    padding: 3rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

.scenario-card:hover {
    border-color: var(--accent-color);
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 242, 255, 0.1);
}

.scenario-card h4 {
    color: var(--accent-secondary);
    margin-bottom: 1rem;
}

.scenario-card p {
    font-style: italic;
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.scenario-tag {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 0.5rem 1rem;
    border-radius: 50px;
}

/* Vision Section */
.vision-hero {
    height: 80vh;
}

.vision-bg {
    opacity: 0.6;
    animation: none; /* Static powerful image */
}

.vision-overlay {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: linear-gradient(to bottom, var(--bg-color), transparent, var(--bg-color));
    z-index: 0;
}

.vision-content {
    z-index: 2;
}

.final-statement {
    margin-top: 0;
}

/* Footer */
footer {
    background: #020202;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.waitlist-form {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
    margin-bottom: 4rem;
}

.waitlist-form input {
    padding: 1rem 1.5rem;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    color: var(--text-primary);
    font-family: var(--font-main);
    width: 300px;
    transition: 0.3s;
}

.waitlist-form input:focus {
    outline: none;
    border-color: var(--accent-color);
    background: rgba(0, 242, 255, 0.05);
}

.footer-bottom {
    margin-top: 3rem;
    opacity: 0.5;
    font-size: 0.8rem;
}

.small-logo {
    font-size: 1rem;
    margin-bottom: 1rem;
}

/* --- Animations --- */
@keyframes breath {
    0%, 100% { transform: scale(1.05); opacity: 0.4; }
    50% { transform: scale(1.1); opacity: 0.6; }
}

@keyframes scrollDown {
    0% { transform: scaleY(0); transform-origin: top; }
    50% { transform: scaleY(1); transform-origin: top; }
    50.1% { transform: scaleY(1); transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; }
}

/* Scroll Reveal Classes */
.scroll-hidden {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

.reveal-text {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.8s ease forwards;
}

.delay-1 { transition-delay: 0.2s; animation-delay: 0.2s; }
.delay-2 { transition-delay: 0.4s; animation-delay: 0.4s; }
.delay-3 { transition-delay: 0.6s; animation-delay: 0.6s; }

@keyframes fadeUp {
    to { opacity: 1; transform: translateY(0); }
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links { display: none; }
    .split-layout, .split-layout.reverse {
        flex-direction: column;
        gap: 2rem;
    }
    .waitlist-form { flex-direction: column; align-items: center; }
    .waitlist-form input { width: 100%; }
}