/**
 * LuckysCloud - "Obsidian Pulse" Design System
 * -------------------------------------------
 * High-end, unique modern aesthetics.
 */

:root {
    /* Brand Palette (Synced with Logo) */
    --bg-obsidian: #050a14;
    --bg-card: #0a1120;
    --pulse-orange: #eb6d2d; /* Primary Orange */
    --pulse-teal: #4b95b1;   /* Secondary Teal */
    --pulse-navy: #1a2d3d;   /* Accent Navy */
    
    --text-primary: #f8fafc;
    --text-muted: #94a3b8;
    --border-subtle: rgba(255, 255, 255, 0.05);
    --glass-pulse: rgba(235, 109, 45, 0.1); /* Glow matches Orange */
    
    /* Animation Tokens */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --transition-slow: all 0.8s var(--ease-out);
}

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

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

body {
    background: var(--bg-obsidian);
    color: var(--text-primary);
    font-family: 'Plus Jakarta Sans', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

a, button { cursor: pointer; }

/* Mesh Gradient Background */
.mesh-bg {
    position: fixed;
    top: 0; left: 0;
    width: 100vw; height: 100vh;
    background: radial-gradient(at 0% 0%, hsla(253,16%,7%,1) 0, transparent 50%), 
                radial-gradient(at 50% 0%, hsla(225,39%,30%,0.1) 0, transparent 50%), 
                radial-gradient(at 100% 0%, hsla(339,49%,30%,0.1) 0, transparent 50%);
    z-index: -2;
}

.mesh-pulse {
    position: fixed;
    width: 600px; height: 600px;
    background: radial-gradient(circle, var(--glass-pulse) 0%, transparent 70%);
    filter: blur(80px);
    z-index: -1;
    pointer-events: none;
    animation: pulseMove 15s infinite alternate ease-in-out;
}

@keyframes pulseMove {
    0% { transform: translate(-10%, -10%); }
    100% { transform: translate(30%, 20%); }
}

.container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 30px;
}

/* Header Rework */
.header {
    position: fixed;
    top: 20px; left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 40px);
    max-width: 1200px;
    z-index: 1000;
    background: rgba(3, 7, 18, 0.7);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-subtle);
    border-radius: 20px;
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-text {
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    background: linear-gradient(to right, var(--pulse-orange), var(--pulse-teal));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Bento Grid System */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(2, 300px);
    gap: 24px;
    margin-top: 80px;
}

.bento-item {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 32px;
    padding: 40px;
    position: relative;
    overflow: hidden;
    transition: var(--transition-slow);
}

.bento-item:hover {
    border-color: rgba(139, 92, 246, 0.3);
    background: rgba(8, 12, 24, 0.8);
    transform: translateY(-5px);
}

.bento-large { grid-column: span 2; grid-row: span 2; }
.bento-wide { grid-column: span 2; }

/* Hero Section Highlights */
.hero {
    padding: 240px 0 100px;
    text-align: center;
}

.hero h1 {
    font-size: 6rem;
    font-weight: 800;
    letter-spacing: -0.05em;
    line-height: 0.95;
    margin-bottom: 30px;
    animation: revealUp 1.2s var(--ease-out);
}

@keyframes revealUp {
    from { opacity: 0; transform: translateY(60px); }
    to { opacity: 1; transform: translateY(0); }
}

.btn-modern {
    background: white;
    color: black;
    padding: 18px 40px;
    border-radius: 40px;
    font-weight: 700;
    font-size: 1rem;
    transition: var(--transition-slow);
    display: inline-flex;
    align-items: center;
    gap: 12px;
}

.btn-modern:hover {
    transform: scale(1.05);
    box-shadow: 0 20px 40px rgba(255, 255, 255, 0.1);
}

.btn-glass {
    background: rgba(255, 255, 255, 0.05);
    color: white;
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-subtle);
}

/* Responsive Audit */
@media (max-width: 1024px) {
    .hero h1 { font-size: 4rem; }
    .bento-grid { grid-template-columns: repeat(2, 1fr); grid-template-rows: auto; }
    .bento-large { grid-column: span 2; grid-row: auto; }
}

@media (max-width: 768px) {
    .header { width: calc(100% - 20px); top: 10px; padding: 12px 20px; }
    .hero h1 { font-size: 3rem; }
    .bento-grid { grid-template-columns: 1fr; }
    .bento-wide, .bento-large { grid-column: span 1; }
}