/* 
===================================================
Project Entropy - Sci-Fi RTS/RPG Landing Page Styles
===================================================
*/

:root {
    /* Colors */
    --clr-bg: #030712;
    --clr-card-bg: rgba(10, 15, 30, 0.4);
    --clr-cyan: #00f0ff;
    --clr-cyan-glow: rgba(0, 240, 255, 0.5);
    --clr-neon: #ff003c;
    --clr-glass: rgba(16, 24, 39, 0.3);
    --clr-glass-border: rgba(255, 255, 255, 0.1);
    --clr-text: #f3f4f6;
    --clr-text-muted: #9ca3af;
    
    /* Typography */
    --font-heading: 'Orbitron', sans-serif;
    --font-body: 'Rajdhani', sans-serif;

    /* Spacing & Utilities */
    --max-width: 1200px; /* Locked to 1200px as per project requirements */
}

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

html {
    scroll-behavior: smooth;
    font-family: var(--font-body);
    background-color: var(--clr-bg);
    color: var(--clr-text);
    overflow-x: hidden;
}

body {
    width: 100%;
    min-width: 1200px; /* Enforcing Desktop view */
    margin: 0 auto;
    overflow-x: hidden;
}

/* Typography styles */
h1, h2, h3, h4, .logo-text, .btn-content {
    font-family: var(--font-heading);
    letter-spacing: 2px;
}

.cyan-text { color: var(--clr-cyan); }

/* Globals & Layouts */
main {
    position: relative;
    z-index: 2;
}

.glass-panel {
    background: var(--clr-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--clr-glass-border);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

.corner-accents span {
    position: absolute;
    width: 10px;
    height: 10px;
    border-color: var(--clr-cyan);
    border-style: solid;
    transition: all 0.3s ease;
}

.tl { top: -1px; left: -1px; border-width: 2px 0 0 2px; }
.tr { top: -1px; right: -1px; border-width: 2px 2px 0 0; }
.bl { bottom: -1px; left: -1px; border-width: 0 0 2px 2px; }
.br { bottom: -1px; right: -1px; border-width: 0 2px 2px 0; }

/* ===================================================
   Video Background & Hero
=================================================== */
.video-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    background: var(--clr-bg);
}

#hero-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    filter: brightness(0.7) contrast(1.1);
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, transparent 0%, rgba(3, 7, 18, 0.8) 100%),
                linear-gradient(to bottom, rgba(3, 7, 18, 0.5) 0%, rgba(3, 7, 18, 0.9) 100%);
    z-index: 1;
}

/* ===================================================
   Navigation
=================================================== */
.glass-nav {
    position: fixed;
    top: 0;
    width: 100%;
    min-width: 1200px;
    height: 80px;
    z-index: 100;
    background: linear-gradient(180deg, rgba(3, 7, 18, 0.8) 0%, transparent 100%);
    transition: all 0.3s ease;
}

.glass-nav.scrolled {
    background: var(--clr-glass);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--clr-glass-border);
}

.nav-content {
    max-width: var(--max-width);
    margin: 0 auto;
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 40px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
    cursor: pointer;
}

.nav-logo {
    width: 45px;
    height: 45px;
    border-radius: 5px;
    box-shadow: 0 0 10px var(--clr-cyan-glow);
}

.logo-text {
    font-size: 1.2rem;
    font-weight: 700;
    color: #fff;
    text-shadow: 0 0 8px rgba(255,255,255,0.4);
}

/* Buttons */
.cyber-btn-small {
    background: rgba(0, 240, 255, 0.1);
    border: 1px solid var(--clr-cyan);
    color: var(--clr-cyan);
    padding: 8px 16px;
    font-family: var(--font-heading);
    font-size: 0.8rem;
    cursor: pointer;
    border-radius: 2px;
    font-weight: 600;
    transition: all 0.3s;
    letter-spacing: 1px;
}

.cyber-btn-small:hover {
    background: var(--clr-cyan);
    color: #000;
    box-shadow: 0 0 15px var(--clr-cyan-glow);
}

.cyber-btn {
    position: relative;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    padding: 18px 45px;
    background: transparent;
    border: 2px solid var(--clr-cyan);
    color: #fff;
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: 700;
    text-transform: uppercase;
    transition: 0.3s;
    overflow: hidden;
    cursor: pointer;
    clip-path: polygon(15px 0, 100% 0, 100% calc(100% - 15px), calc(100% - 15px) 100%, 0 100%, 0 15px);
}

.cyber-btn:hover {
    background: rgba(0, 240, 255, 0.1);
    box-shadow: 0 0 25px var(--clr-cyan-glow) inset, 0 0 25px var(--clr-cyan-glow);
    text-shadow: 0 0 8px #fff;
}

.cyber-btn::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 10px;
    height: 10px;
    background: var(--clr-cyan);
}

.cyber-btn::after {
    content: '';
    position: absolute;
    bottom: 0; right: 0;
    width: 10px;
    height: 10px;
    background: var(--clr-cyan);
}

.btn-glitch {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--clr-cyan);
    transform: translateX(-100%);
    z-index: -1;
    transition: transform 0.4s cubic-bezier(0.86, 0, 0.07, 1);
}

.cyber-btn:hover .btn-glitch {
    transform: translateX(0);
    opacity: 0.2;
}

/* ===================================================
   Hero Section
=================================================== */
.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 20px;
    position: relative;
    max-width: var(--max-width);
    margin: 0 auto;
}

.hero-content {
    margin-top: -50px;
}

.subtitle {
    font-size: 1.5rem;
    color: var(--clr-text-muted);
    margin-bottom: 20px;
    text-transform: uppercase;
}

.title {
    font-size: 5rem;
    line-height: 1.1;
    margin-bottom: 30px;
    text-shadow: 0 0 20px rgba(0,0,0,0.8);
}

.glow-text {
    animation: text-pulse 3s infinite alternate;
}

@keyframes text-pulse {
    0% { text-shadow: 0 0 10px rgba(0,240,255,0.2); }
    100% { text-shadow: 0 0 20px rgba(0,240,255,0.6), 0 0 40px rgba(0,240,255,0.2); }
}

.hero-description {
    font-size: 1.3rem;
    max-width: 800px;
    margin: 0 auto 50px;
    line-height: 1.6;
    color: #cbd5e1;
    text-shadow: 0 2px 4px rgba(0,0,0,0.8);
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-size: 0.8rem;
    color: var(--clr-cyan);
    letter-spacing: 2px;
    opacity: 0.8;
}

.mouse {
    width: 26px;
    height: 42px;
    border: 2px solid var(--clr-cyan);
    border-radius: 13px;
    display: flex;
    justify-content: center;
    padding-top: 6px;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--clr-cyan);
    border-radius: 2px;
    animation: scroll 1.5s infinite;
}

@keyframes scroll {
    0% { transform: translateY(0); opacity: 1; }
    100% { transform: translateY(15px); opacity: 0; }
}

/* ===================================================
   Features Section
=================================================== */
.features {
    padding: 120px 40px;
    background: linear-gradient(180deg, transparent 0%, rgba(3, 7, 18, 0.95) 20%, var(--clr-bg) 100%);
    position: relative;
    max-width: var(--max-width);
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-title {
    font-size: 3rem;
    margin-bottom: 15px;
}

.divider {
    width: 60px;
    height: 3px;
    background: var(--clr-cyan);
    margin: 0 auto 20px;
    box-shadow: 0 0 10px var(--clr-cyan-glow);
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--clr-text-muted);
    max-width: 700px;
    margin: 0 auto;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}

.feature-card {
    position: relative;
    padding: 25px;
    border-radius: 4px;
    transition: transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    background: var(--clr-card-bg);
}

.feature-card:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: 0 15px 40px rgba(0, 240, 255, 0.15);
    border-color: rgba(0, 240, 255, 0.3);
}

.feature-image-wrapper {
    position: relative;
    height: 200px;
    margin-bottom: 25px;
    overflow: hidden;
    border-radius: 2px;
    border: 1px solid rgba(255,255,255,0.1);
}

.feature-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s ease;
}

.feature-card:hover .feature-img {
    transform: scale(1.1);
}

.hologram-overlay {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: linear-gradient(0deg, transparent 0%, rgba(0, 255, 255, 0.1) 50%, transparent 100%);
    background-size: 100% 4px;
    pointer-events: none;
    opacity: 0.6;
    mix-blend-mode: screen;
}

.feature-text {
    position: relative;
}

.feature-number {
    position: absolute;
    top: -45px;
    right: 0px;
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: 900;
    color: rgba(255,255,255,0.05);
    z-index: -1;
}

.feature-card:hover .feature-number {
    color: rgba(0, 240, 255, 0.1);
}

.feature-text h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #fff;
}

.feature-card:hover h3 {
    color: var(--clr-cyan);
    text-shadow: 0 0 5px var(--clr-cyan-glow);
}

.feature-text p {
    font-size: 1.05rem;
    color: var(--clr-text-muted);
    line-height: 1.6;
}

/* ===================================================
   Final CTA Section
=================================================== */
.final-cta {
    padding: 120px 0;
    position: relative;
    max-width: var(--max-width);
    margin: 0 auto 100px;
    text-align: center;
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 60px 40px;
    position: relative;
    background: linear-gradient(135deg, rgba(10, 15, 30, 0.8) 0%, rgba(3, 7, 18, 0.9) 100%);
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 1.2rem;
    color: var(--clr-text-muted);
    margin-bottom: 40px;
}

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

@keyframes btn-pulse {
    0% { box-shadow: 0 0 0 0 rgba(0, 240, 255, 0.4); }
    70% { box-shadow: 0 0 0 20px rgba(0, 240, 255, 0); }
    100% { box-shadow: 0 0 0 0 rgba(0, 240, 255, 0); }
}

/* ===================================================
   Footer
=================================================== */
.cyber-footer {
    background: #020408;
    border-top: 1px solid var(--clr-glass-border);
    padding: 40px 0 20px;
    margin-top: auto;
}

.footer-content {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
    padding: 0 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 15px;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
}

.footer-icon {
    width: 40px;
    height: 40px;
    opacity: 0.8;
}

.footer-links {
    display: flex;
    gap: 20px;
    align-items: center;
}

.footer-link {
    color: var(--clr-text-muted);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 600;
    transition: 0.3s;
}

.footer-link:hover {
    color: var(--clr-cyan);
    text-shadow: 0 0 8px var(--clr-cyan-glow);
}

.separator {
    color: var(--clr-glass-border);
}

.footer-copyright {
    text-align: center;
    color: #4b5563;
    font-size: 0.9rem;
}

.disclaimer {
    margin-top: 5px;
    font-size: 0.8rem;
    opacity: 0.6;
}

/* ===================================================
   Animations & Interactivity
=================================================== */
.fade-in { opacity: 0; transform: translateY(0); transition: opacity 1s ease; }
.fade-in.visible { opacity: 1; }

.fade-in-up { opacity: 0; transform: translateY(40px); transition: opacity 1s ease, transform 1s ease; }
.fade-in-up.visible { opacity: 1; transform: translateY(0); }

.fade-in-left { opacity: 0; transform: translateX(-40px); transition: opacity 1s ease, transform 1s ease; }
.fade-in-left.visible { opacity: 1; transform: translateX(0); }

.fade-in-right { opacity: 0; transform: translateX(40px); transition: opacity 1s ease, transform 1s ease; }
.fade-in-right.visible { opacity: 1; transform: translateX(0); }

/* Apply hardware acceleration */
.hover-3d {
    will-change: transform;
}