:root {
    --primary-blue: #0071e3;
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.3);
    --text-main: #1d1d1f;
    --text-secondary: #86868b;
    --bg-mesh: radial-gradient(at 0% 0%, hsla(215, 98%, 61%, 0.1) 0, transparent 50%), 
               radial-gradient(at 100% 0%, hsla(145, 72%, 60%, 0.1) 0, transparent 50%);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", sans-serif;
    background-color: #ffffff;
    background-image: var(--bg-mesh);
    background-attachment: fixed;
    color: var(--text-main);
    -webkit-font-smoothing: antialiased;
}

/* --- Navigation --- */
.nav {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 600px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: 40px;
    z-index: 1000;
    box-shadow: 0 8px 32px rgba(0,0,0,0.05);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    padding: 12px 30px;
    align-items: center;
}

/* --- Hero Section --- */
.hero {
    padding: 180px 20px 80px;
    text-align: center;
}

.hero h1 {
    font-size: clamp(48px, 8vw, 84px);
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1.05;
}

.hero p {
    font-size: clamp(20px, 3vw, 28px);
    color: var(--text-secondary);
    font-weight: 500;
    margin-top: 20px;
}

/* --- Bento Grid Layout --- */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-auto-rows: minmax(100px, auto);
    gap: 24px;
    max-width: 1200px;
    margin: 0 auto 100px;
    padding: 0 24px;
}

.bento-item {
    background: #fff;
    border-radius: 32px;
    padding: 40px;
    border: 1px solid #f2f2f7;
    transition: all 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
    box-shadow: 0 4px 24px rgba(0,0,0,0.02);
    overflow: hidden;
    position: relative;
}

.bento-item:hover {
    transform: translateY(-8px) scale(1.01);
    box-shadow: 0 20px 40px rgba(0,0,0,0.08);
}

/* Feature App Card (Large) */
.featured-app { grid-column: span 8; grid-row: span 4; background: #000; color: #fff; }
.featured-app .btn-site { 
    background: #fff; color: #000; padding: 12px 24px; border-radius: 20px; font-weight: 600; 
    display: inline-block; margin-top: 20px; text-decoration: none;
}

/* Philosophy Card (Small) */
.philosophy { grid-column: span 4; grid-row: span 4; background: var(--primary-blue); color: #fff; }

/* Roadmap Container */
.roadmap-container { grid-column: span 12; margin-top: 40px; }

/* --- Roadmap Styling --- */
.roadmap-board {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.column {
    background: rgba(0,0,0,0.03);
    border-radius: 24px;
    padding: 15px;
}

.roadmap-card {
    background: white;
    padding: 24px;
    border-radius: 20px;
    margin-bottom: 16px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.03);
}

.roadmap-card h4 { font-size: 19px; margin-bottom: 8px; }

/* --- Animations --- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

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

@media (max-width: 768px) {
    .bento-item { grid-column: span 12 !important; }
    .roadmap-board { grid-template-columns: 1fr; }
}

.vote-btn {
    transition: transform 0.2s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.vote-btn:hover:not(:disabled) {
    transform: translateY(-2px);
}

.vote-btn:active:not(:disabled) {
    transform: scale(0.95);
}

.vote-btn.voted {
    cursor: default;
    opacity: 0.8;
}