/* Variables & Setup */
:root {
    --bg-dark: #0b0c10;
    --bg-darker: #050608;
    --neon-cyan: #00f2fe;
    --neon-cyan-dim: rgba(0, 242, 254, 0.2);
    --neon-red: #ff003c;
    --text-main: #c5c6c7;
    --text-light: #ffffff;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; border-radius: 12px; }

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

.section-padding { padding: 80px 0; }
.bg-darker { background-color: var(--bg-darker); }
.text-center { text-align: center; }
.mt-2 { margin-top: 1.5rem; }
.mt-3 { margin-top: 2.5rem; }
.mt-4 { margin-top: 3.5rem; }

/* Typography */
h1, h2, h3, h4 {
    color: var(--text-light);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 800; }
h2 { font-size: clamp(1.8rem, 4vw, 2.5rem); position: relative; display: inline-block; }
h2::after {
    content: ''; position: absolute; bottom: -8px; left: 0;
    width: 60px; height: 3px; background: var(--neon-cyan);
    box-shadow: 0 0 10px var(--neon-cyan);
}
.text-center h2::after { left: 50%; transform: translateX(-50%); }

p { margin-bottom: 1rem; }

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 30px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: transparent;
    color: var(--neon-cyan);
    border: 2px solid var(--neon-cyan);
    box-shadow: 0 0 15px var(--neon-cyan-dim);
}

.btn-primary:hover {
    background: var(--neon-cyan);
    color: var(--bg-dark);
    box-shadow: 0 0 25px var(--neon-cyan);
}

/* Glassmorphism utility */
.glass-card, .glass-box {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 2rem;
    transition: var(--transition);
}

.glass-card:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 242, 254, 0.3);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

/* Lists */
.styled-list { list-style: none; }
.styled-list li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 0.8rem;
}
.styled-list li::before {
    content: '▹'; color: var(--neon-cyan);
    position: absolute; left: 0; top: 0;
    font-weight: bold; font-size: 1.2rem;
}

/* Header */
.site-header {
    position: fixed; top: 0; left: 0; width: 100%;
    z-index: 1000; padding: 15px 0;
    transition: var(--transition);
}
.site-header.scrolled {
    background: rgba(11, 12, 16, 0.9);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--glass-border);
    padding: 10px 0;
}
.header-inner {
    display: flex; justify-content: space-between; align-items: center;
}
.logo img { height: 40px; }
.desktop-nav ul {
    list-style: none; display: flex; gap: 2rem;
}
.desktop-nav a {
    color: var(--text-light); font-weight: 500;
    transition: var(--transition);
}
.desktop-nav a:hover { color: var(--neon-cyan); text-shadow: 0 0 8px var(--neon-cyan-dim); }

.mobile-menu-toggle {
    display: none; background: none; border: none;
    cursor: pointer; width: 30px; height: 20px;
    position: relative; z-index: 1001;
}
.mobile-menu-toggle span {
    display: block; width: 100%; height: 2px;
    background: var(--text-light); position: absolute;
    transition: var(--transition);
}
.mobile-menu-toggle span:nth-child(1) { top: 0; }
.mobile-menu-toggle span:nth-child(2) { top: 9px; }
.mobile-menu-toggle span:nth-child(3) { top: 18px; }
.mobile-menu-toggle.active span:nth-child(1) { transform: rotate(45deg); top: 9px; background: var(--neon-cyan);}
.mobile-menu-toggle.active span:nth-child(2) { opacity: 0; }
.mobile-menu-toggle.active span:nth-child(3) { transform: rotate(-45deg); top: 9px; background: var(--neon-cyan);}

/* Hero */
.hero {
    padding-top: 140px; padding-bottom: 80px;
    min-height: 100vh; display: flex; align-items: center;
    position: relative;
}
.hero::before {
    content: ''; position: absolute; top: -20%; right: -10%;
    width: 500px; height: 500px;
    background: radial-gradient(circle, var(--neon-red) 0%, transparent 70%);
    opacity: 0.15; filter: blur(60px); z-index: -1;
}
.hero-grid {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 4rem; align-items: center;
}
.badge {
    display: inline-block; padding: 5px 15px; border-radius: 20px;
    background: rgba(255,0,60,0.1); color: var(--neon-red);
    border: 1px solid var(--neon-red); font-size: 0.85rem;
    margin-bottom: 1rem; text-transform: uppercase; font-weight: 600;
}
.caption { font-size: 0.85rem; color: #888; text-align: center; margin-top: 10px; font-style: italic; }

/* Grid Cards */
.grid-cards {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; margin-top: 3rem;
}
.grid-cards ul { list-style: none; }
.grid-cards li { margin-bottom: 10px; padding-bottom: 10px; border-bottom: 1px solid rgba(255,255,255,0.05); }

/* Splits (Bonus & Mobile) */
.split-layout {
    display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center;
}
.split-layout.reverse .content { order: 1; }
.split-layout.reverse .visual { order: 2; }

/* Steps */
.step-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem; margin-top: 3rem;
}
.step-card {
    background: var(--glass-bg); padding: 2rem; border-radius: 12px;
    position: relative; border-top: 3px solid var(--neon-cyan);
}
.step-num {
    position: absolute; top: -20px; left: 20px;
    width: 40px; height: 40px; background: var(--bg-dark);
    border: 2px solid var(--neon-cyan); border-radius: 50%;
    display: flex; justify-content: center; align-items: center;
    font-weight: bold; color: var(--neon-cyan); font-size: 1.2rem;
}

/* Ratings */
.rating-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.5rem; margin-top: 3rem;}
.rate-item span { display: block; margin-bottom: 5px; font-weight: 600; color: #fff;}
.bar { width: 100%; background: var(--glass-bg); height: 12px; border-radius: 6px; overflow: hidden; position: relative;}
.fill { background: linear-gradient(90deg, var(--neon-cyan), #0088cc); height: 100%; border-radius: 6px; font-size: 10px; color: transparent; }

/* Pros/Cons */
.pros-cons-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.border-green { border-left: 4px solid #00ff88; }
.border-red { border-left: 4px solid var(--neon-red); }

/* Dual Column text */
.grid-2, .dual-column { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; }

/* Accordion */
.accordion { max-width: 800px; margin: 3rem auto 0; }
.accordion-item {
    margin-bottom: 1rem; border: 1px solid var(--glass-border);
    border-radius: 8px; overflow: hidden; background: var(--glass-bg);
}
.accordion-header {
    width: 100%; padding: 1.2rem 1.5rem; background: none; border: none;
    text-align: left; color: var(--text-light); font-size: 1.1rem;
    font-weight: 600; cursor: pointer; display: flex;
    justify-content: space-between; align-items: center;
    transition: var(--transition);
}
.accordion-header:hover { background: rgba(255,255,255,0.02); color: var(--neon-cyan); }
.accordion-content {
    max-height: 0; overflow: hidden; transition: max-height 0.3s ease-out;
    padding: 0 1.5rem; opacity: 0;
}
.accordion-item.active .accordion-content { padding: 0 1.5rem 1.2rem; opacity: 1; }
.accordion-item.active .icon { transform: rotate(45deg); color: var(--neon-cyan); }

/* Footer */
.site-footer { background: var(--bg-darker); border-top: 1px solid var(--glass-border); padding: 60px 0 20px; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 3rem; margin-bottom: 3rem; }
.footer-logo { max-width: 150px; margin-bottom: 1rem; }
.footer-links ul { list-style: none; }
.footer-links li { margin-bottom: 8px; }
.footer-links a:hover { color: var(--neon-cyan); }
.footer-bottom { text-align: center; border-top: 1px solid var(--glass-border); padding-top: 20px; font-size: 0.9rem; }

/* JS Reveal Classes */
.reveal { opacity: 0; transform: translateY(30px); transition: all 0.8s ease-out; }
.reveal.active { opacity: 1; transform: translateY(0); }

/* Responsive */
@media (max-width: 992px) {
    .hero-grid, .split-layout, .pros-cons-grid, .grid-2, .dual-column { grid-template-columns: 1fr; gap: 3rem; }
    .split-layout.reverse .content { order: 2; }
    .split-layout.reverse .visual { order: 1; }
    h1 { font-size: 2.5rem; }
}

@media (max-width: 768px) {
    .desktop-nav, .hidden-mobile { display: none; }
    .mobile-menu-toggle { display: block; }
    .hero { padding-top: 100px; text-align: center; }
    .hero-grid { gap: 2rem; }
    h2::after { left: 50%; transform: translateX(-50%); }
    .text-content h2::after, .split-layout h2::after, .audience h2::after { left: 0; transform: none; }
    
    /* Mobile Menu Overlay */
    .desktop-nav.active {
        display: flex; position: fixed; top: 70px; left: 0; width: 100%;
        height: calc(100vh - 70px); background: var(--bg-darker);
        flex-direction: column; align-items: center; justify-content: center;
        padding: 2rem; z-index: 999;
    }
    .desktop-nav.active ul { flex-direction: column; text-align: center; font-size: 1.5rem; gap: 2rem;}
}