/* CSS Variables & Reset */
:root {
    --bg-dark: #070709;
    --card-bg: rgba(255, 255, 255, 0.02);
    --card-border: rgba(255, 255, 255, 0.08);
    --card-hover: rgba(255, 255, 255, 0.12);
    --text-main: #FFFFFF;
    --text-muted: #888888;
    --font-main: 'Inter', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; scroll-behavior: smooth; }
body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-main);
    line-height: 1.5;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Ambient Background Glow */
.ambient-glow {
    position: fixed;
    top: -20%;
    left: 20%;
    width: 60vw;
    height: 60vh;
    background: radial-gradient(circle, rgba(255,255,255,0.06) 0%, transparent 70%);
    filter: blur(80px);
    z-index: 0;
    pointer-events: none;
}

/* Floating Navigation */
#floating-nav {
    position: fixed;
    top: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    width: 90%;
    max-width: 900px;
}
.nav-content {
    background: rgba(15, 15, 15, 0.5);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--card-border);
    border-radius: 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 30px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.8);
}
.nav-logo {
    color: var(--text-main);
    text-decoration: none;
    font-weight: 700;
    font-size: 1.2rem;
    letter-spacing: -0.5px;
}
.nav-links {
    display: flex;
    gap: 25px;
}
.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.3s ease;
}
.nav-links a:hover,
.nav-links a.active {
    color: var(--text-main);
}

/* Main Layout */
.page-container {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 180px 20px 100px;
}

/* Hero Section */
.hero-headline {
    font-size: clamp(3rem, 8vw, 6.5rem);
    font-weight: 800;
    letter-spacing: -2.5px;
    line-height: 1.05;
    text-align: center;
    margin-bottom: 24px;
}
.bg-gradient {
    background: linear-gradient(135deg, #fff 0%, #555 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hero-subheader {
    font-size: 1.25rem;
    color: var(--text-muted);
    text-align: center;
    max-width: 650px;
    margin: 0 auto 80px auto;
    font-weight: 400;
}

/* Bento Grid */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: minmax(200px, auto);
    gap: 24px;
}

.bento-box {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 32px;
    padding: 40px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.4s ease, box-shadow 0.4s ease;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
}
.bento-box:hover {
    transform: translateY(-8px);
    border-color: var(--card-hover);
    box-shadow: 0 20px 40px rgba(0,0,0,0.6);
}
.bento-box h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    letter-spacing: -0.5px;
    color: #fff;
}
.bento-box p {
    color: var(--text-muted);
    font-size: 1.05rem;
    line-height: 1.6;
}

/* Box 1: Avatar */
.box-avatar {
    grid-column: span 1;
    grid-row: span 2;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0));
}
.avatar-container {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.bento-avatar-svg {
    transform: scale(1.2);
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.box-avatar:hover .bento-avatar-svg {
    transform: scale(1.3) translateY(-10px);
}

/* Box 2: Focus / Tech */
.box-focus {
    grid-column: span 2;
    justify-content: space-between;
}
.tech-tags {
    margin-top: 30px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}
.tech-tags span {
    padding: 8px 16px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 40px;
    font-size: 0.9rem;
    color: #e0e0e0;
    transition: background 0.3s;
}
.tech-tags span:hover {
    background: rgba(255,255,255,0.1);
}

/* Box 3: Action */
.box-action {
    grid-column: span 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(255,255,255,0.1), rgba(255,255,255,0.02));
    cursor: pointer;
    text-decoration: none;
}
.bento-btn {
    text-decoration: none;
    color: #fff;
    font-size: 1.25rem;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: gap 0.3s ease;
}
.box-action:hover .bento-btn {
    gap: 18px;
}

/* Box 4: Research */
.box-research {
    grid-column: span 3;
    position: relative;
}
.box-icon {
    width: 56px;
    height: 56px;
    background: rgba(255,255,255,0.06);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: #fff;
    transition: transform 0.4s ease;
}
.box-research:hover .box-icon {
    transform: scale(1.1) rotate(5deg);
}

/* Responsive */
@media (max-width: 1024px) {
    .bento-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .box-avatar { grid-column: span 1; grid-row: span 1; aspect-ratio: 1; }
    .box-focus { grid-column: span 1; }
    .box-action { grid-column: span 2; }
    .box-research { grid-column: span 2; }
}
@media (max-width: 768px) {
    #floating-nav { top: 15px; width: 95%; }
    .nav-links { display: none; } /* Mobile nav implementation needed later */
    .hero-headline { font-size: 3.5rem; margin-top: 20px; }
    .page-container { padding-top: 140px; }
    .bento-grid { grid-template-columns: 1fr; }
    .box-avatar, .box-focus, .box-action, .box-research { grid-column: span 1; }
}