/* ============================================================
   ALFREDAI-SITE - Motrix-Inspired Design System (Enhanced Edition)
   Aesthetic: Deep Cosmic Black, WebGL Relativistic Accretion,
   Floating Frosted-Glass Pills, Editorial Serif-Italic Accents,
   Interactive Architecture Deep-Dive, E1-E4 Benchmark Matrices.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,300..800;1,14..32,300..800&family=Playfair+Display:ital,wght@0,400..700;1,400..700&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* ---------- THEME VARIABLES ---------- */
:root {
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Theme: Dark (Motrix Default) */
  --bg-base: #000000;
  --bg-surface: #0a0a0d;
  --bg-card: #121217;
  --bg-card-hover: #191922;
  --bg-accent: #1e1e28;
  --bg-glass: rgba(255, 255, 255, 0.08);
  --border-glass: rgba(255, 255, 255, 0.16);
  --border-subtle: rgba(255, 255, 255, 0.08);

  --text-main: #f4f4f5;
  --text-muted: #a1a1aa;
  --text-dim: #71717a;
  --text-on-dark: #ffffff;

  --btn-primary-bg: #ffffff;
  --btn-primary-text: #09090b;
  --btn-primary-hover: #e4e4e7;

  --btn-secondary-bg: rgba(255, 255, 255, 0.1);
  --btn-secondary-border: rgba(255, 255, 255, 0.18);
  --btn-secondary-text: #ffffff;
  --btn-secondary-hover: rgba(255, 255, 255, 0.2);

  --accent-cyan: #38bdf8;
  --accent-purple: #a855f7;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --container-max: 1220px;
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="light"] {
  --bg-base: #fafafa;
  --bg-surface: #ffffff;
  --bg-card: #f4f4f5;
  --bg-card-hover: #e4e4e7;
  --bg-accent: #e4e4e7;
  --bg-glass: rgba(0, 0, 0, 0.04);
  --border-glass: rgba(0, 0, 0, 0.1);
  --border-subtle: rgba(0, 0, 0, 0.08);

  --text-main: #09090b;
  --text-muted: #52525b;
  --text-dim: #a1a1aa;
  --text-on-dark: #ffffff;

  --btn-primary-bg: #09090b;
  --btn-primary-text: #ffffff;
  --btn-primary-hover: #27272a;

  --btn-secondary-bg: rgba(0, 0, 0, 0.05);
  --btn-secondary-border: rgba(0, 0, 0, 0.12);
  --btn-secondary-text: #09090b;
  --btn-secondary-hover: rgba(0, 0, 0, 0.08);
}

/* Base Reset & Typography */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-family: var(--font-sans);
  background-color: var(--bg-base);
  color: var(--text-main);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  background-color: var(--bg-base);
  color: var(--text-main);
  overflow-x: hidden;
  position: relative;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
}

img, svg {
  display: block;
  max-width: 100%;
}

/* Typography Specials */
.font-serif, [data-slot="italic"] {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

/* ---------- FLOATING GLASS HEADER (Motrix Signature) ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 1rem 0;
  pointer-events: none;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  pointer-events: auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-main);
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-full);
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: all var(--transition-fast);
}

.brand:hover {
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-1px);
}

.brand-icon {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  background: linear-gradient(135deg, #38bdf8, #818cf8);
  display: grid;
  place-items: center;
  color: #000000;
  font-weight: 800;
  font-size: 11px;
}

/* Floating Centered Pill Navbar */
.nav-pill {
  display: none;
  align-items: center;
  gap: 0.25rem;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius-full);
  padding: 0.35rem 0.5rem;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
}

@media (min-width: 900px) {
  .nav-pill {
    display: flex;
  }
}

.nav-link {
  padding: 0.4rem 0.95rem;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: all var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.12);
}

.search-trigger {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-left: 0.25rem;
}

.search-trigger:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.15);
}

.search-trigger kbd {
  font-size: 0.7rem;
  font-family: var(--font-mono);
  background: rgba(255, 255, 255, 0.1);
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.icon-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  display: grid;
  place-items: center;
  color: var(--text-main);
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: all var(--transition-fast);
}

.icon-btn:hover {
  background: rgba(255, 255, 255, 0.18);
  transform: translateY(-1px);
}

.mobile-menu-btn {
  display: grid;
}

@media (min-width: 900px) {
  .mobile-menu-btn {
    display: none;
  }
}

/* Mobile Menu Dialog */
.mobile-dialog {
  margin: 0 0 0 auto;
  height: 100dvh;
  max-height: none;
  width: 100%;
  max-width: 320px;
  background: var(--bg-surface);
  border: none;
  border-left: 1px solid var(--border-glass);
  color: var(--text-main);
  padding: 1.5rem;
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.mobile-dialog::backdrop {
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(6px);
}

.mobile-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 1rem;
}

.mobile-nav-link {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-main);
  transition: background var(--transition-fast);
}

.mobile-nav-link:hover {
  background: var(--bg-glass);
}

/* ---------- HERO SECTION (Relativistic Black Hole Scene) ---------- */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background-color: #000000;
  color: #ffffff;
  overflow: hidden;
  padding-top: 7.5rem;
  padding-bottom: 3.5rem;
}

.hero-canvas-wrap {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 1;
}

#scene {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-backdrop-tint {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 60% 45%, rgba(0, 0, 0, 0.1) 0%, rgba(0, 0, 0, 0.75) 85%);
  z-index: 2;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 5;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  flex: 1;
  gap: 3.5rem;
}

.hero-top-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 0.4rem 1.1rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 500;
  color: #e4e4e7;
  margin-bottom: 1.5rem;
  width: fit-content;
}

.hero-headline {
  font-size: clamp(2.75rem, 6.5vw, 5.75rem);
  font-weight: 500;
  line-height: 0.95;
  letter-spacing: -0.035em;
  max-width: 960px;
  text-wrap: balance;
  color: #ffffff;
}

.hero-headline [data-slot="italic"] {
  color: #ffffff;
  font-size: 1.05em;
  font-weight: 400;
}

.hero-bottom-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: end;
  margin-top: auto;
}

@media (min-width: 960px) {
  .hero-bottom-grid {
    grid-template-columns: 1.35fr 1fr;
  }
}

.hero-subtext {
  font-size: clamp(1rem, 1.35vw, 1.25rem);
  line-height: 1.55;
  color: #d4d4d8;
  max-width: 580px;
  margin-bottom: 1.75rem;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.85rem;
}

/* Motrix Pill Buttons */
.btn-pill {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-full);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-pill.primary {
  background: #ffffff;
  color: #09090b;
  box-shadow: 0 4px 20px rgba(255, 255, 255, 0.2);
}

.btn-pill.primary:hover {
  background: #f4f4f5;
  transform: translateY(-2px);
  box-shadow: 0 6px 26px rgba(255, 255, 255, 0.35);
}

.btn-pill.secondary {
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(12px);
}

.btn-pill.secondary:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.35);
  transform: translateY(-2px);
}

.hero-right-col {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.4rem;
}

@media (min-width: 960px) {
  .hero-right-col {
    align-items: flex-end;
    text-align: right;
  }
}

.hero-badge-small {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: #a1a1aa;
}

.hero-big-title {
  font-size: clamp(3rem, 7vw, 6.5rem);
  font-weight: 500;
  line-height: 0.88;
  letter-spacing: -0.04em;
  color: #ffffff;
}

/* Physics HUD Overlay in Hero */
.hero-hud-stats {
  display: flex;
  gap: 1.5rem;
  margin-top: 1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
}

.hero-hud-stat span {
  color: var(--accent-cyan);
  font-weight: 600;
}

/* ---------- PHILOSOPHY SECTION ("Classics have gravity") ---------- */
.section-philosophy {
  padding: 6.5rem 0 5rem;
  background-color: var(--bg-base);
  position: relative;
  z-index: 10;
}

.philosophy-inner {
  max-width: 820px;
}

.philosophy-title {
  font-size: clamp(2.25rem, 4.5vw, 3.75rem);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
  color: var(--text-main);
}

.philosophy-desc {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--text-muted);
}

/* ---------- FEATURED SHOWCASE (Embla-style Ambient Glow Carousel) ---------- */
.section-showcase {
  padding: 5rem 0 7rem;
  background: var(--bg-surface);
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.section-head {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 3.5rem;
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-full);
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  width: fit-content;
  color: var(--text-main);
}

.section-title {
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--text-main);
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 620px;
}

/* Carousel Layout */
.carousel-wrapper {
  position: relative;
  width: 100%;
}

.carousel-viewport {
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.carousel-track {
  display: flex;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform;
}

.carousel-slide {
  flex: 0 0 100%;
  min-width: 0;
  position: relative;
  padding: 0.5rem;
}

@media (min-width: 768px) {
  .carousel-slide {
    flex: 0 0 85%;
  }
}

@media (min-width: 1024px) {
  .carousel-slide {
    flex: 0 0 75%;
  }
}

.showcase-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  aspect-ratio: 16 / 10;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Ambient Glow Gradients */
.showcase-glow {
  position: absolute;
  inset: 0;
  opacity: 0.28;
  transition: opacity var(--transition-normal);
  pointer-events: none;
}

.glow-violet {
  background: radial-gradient(circle at 50% 50%, #8b5cf6 0%, #3b82f6 50%, transparent 80%);
}

.glow-emerald {
  background: radial-gradient(circle at 50% 50%, #10b981 0%, #06b6d4 50%, transparent 80%);
}

.glow-amber {
  background: radial-gradient(circle at 50% 50%, #f59e0b 0%, #ef4444 50%, transparent 80%);
}

.glow-cyan {
  background: radial-gradient(circle at 50% 50%, #06b6d4 0%, #3b82f6 50%, transparent 80%);
}

.glow-rose {
  background: radial-gradient(circle at 50% 50%, #ec4899 0%, #8b5cf6 50%, transparent 80%);
}

.showcase-card:hover .showcase-glow {
  opacity: 0.45;
}

.showcase-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.showcase-card:hover .showcase-image {
  transform: scale(1.02);
}

/* Floating Glass Overlay Info Badge */
.showcase-info-card {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  right: 1.5rem;
  background: rgba(18, 18, 22, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  color: #ffffff;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

@media (min-width: 640px) {
  .showcase-info-card {
    max-width: 460px;
    right: auto;
  }
}

.showcase-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.15);
  color: #f4f4f5;
  width: fit-content;
}

.showcase-title {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.showcase-desc {
  font-size: 0.875rem;
  line-height: 1.45;
  color: #a1a1aa;
}

.showcase-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.825rem;
  font-weight: 600;
  color: #38bdf8;
  margin-top: 0.35rem;
  transition: color var(--transition-fast);
}

.showcase-link:hover {
  color: #7dd3fc;
  text-decoration: underline;
}

/* Carousel Controls */
.carousel-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 2rem;
}

.carousel-nav-btns {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.carousel-btn {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  display: grid;
  place-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  color: var(--text-main);
  transition: all var(--transition-fast);
}

.carousel-btn:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-1px);
}

.carousel-dots {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--border-glass);
  transition: all var(--transition-normal);
  cursor: pointer;
}

.carousel-dot.active {
  width: 28px;
  background: var(--text-main);
}

/* ---------- 4-LAYER ARCHITECTURE DEEP-DIVE (NEW INFO SECTION) ---------- */
.section-architecture {
  padding: 6.5rem 0;
  background: var(--bg-base);
  border-top: 1px solid var(--border-subtle);
}

.arch-nav-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 1rem;
}

.arch-tab-btn {
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.arch-tab-btn:hover, .arch-tab-btn.active {
  color: var(--text-main);
  background: var(--bg-glass);
  border-color: var(--text-main);
}

.arch-content-card {
  border-radius: var(--radius-lg);
  background: var(--bg-surface);
  border: 1px solid var(--border-glass);
  padding: 2.5rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

@media (min-width: 960px) {
  .arch-content-card {
    grid-template-columns: 1.2fr 1fr;
    align-items: center;
  }
}

.arch-layer-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  font-weight: 600;
  font-family: var(--font-mono);
  color: var(--accent-cyan);
  background: rgba(56, 189, 248, 0.1);
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}

.arch-layer-title {
  font-size: clamp(1.75rem, 3vw, 2.35rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 1rem;
}

.arch-layer-desc {
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.arch-bullet-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.arch-bullet-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--text-main);
}

.arch-bullet-icon {
  color: var(--accent-cyan);
  flex-shrink: 0;
  margin-top: 0.2rem;
}

.arch-code-box {
  background: #050507;
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.6;
  color: #e4e4e7;
  overflow-x: auto;
}

.arch-code-box .token-keyword { color: #f43f5e; }
.arch-code-box .token-func { color: #38bdf8; }
.arch-code-box .token-string { color: #10b981; }
.arch-code-box .token-comment { color: #71717a; }

/* ---------- BENCHMARK & EVALUATION MATRICES (NEW INFO SECTION) ---------- */
.section-evaluations {
  padding: 6.5rem 0;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
}

.eval-tables-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 960px) {
  .eval-tables-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.eval-table-card {
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.eval-table-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.eval-table-title {
  font-size: 1.25rem;
  font-weight: 600;
}

.eval-table-badge {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-muted);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  text-align: left;
}

.data-table th {
  padding: 0.75rem 0.5rem;
  border-bottom: 1px solid var(--border-glass);
  color: var(--text-dim);
  font-weight: 500;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
}

.data-table td {
  padding: 0.85rem 0.5rem;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-main);
}

.data-table tr:last-child td {
  border-bottom: none;
}

.data-table .highlight {
  color: var(--accent-cyan);
  font-weight: 600;
  font-family: var(--font-mono);
}

/* ---------- BENTO GRID & ANIMATED GLOWING BEAMS (Motrix Signature) ---------- */
.section-metrics {
  padding: 6.5rem 0;
  background: var(--bg-base);
}

.bento-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 960px) {
  .bento-grid {
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: auto auto;
  }
}

.bento-large-beam {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  isolation: isolate;
  background: linear-gradient(135deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
  border: 1px solid var(--border-glass);
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 380px;
}

@media (min-width: 960px) {
  .bento-large-beam {
    grid-column: span 2;
    grid-row: span 2;
  }
}

.bento-large-beam::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  padding: 1px;
  pointer-events: none;
  background: radial-gradient(600px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(255, 255, 255, 0.25), transparent 40%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  transition: opacity 0.3s ease;
}

.bento-header-title {
  font-size: 1.75rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.bento-quote-box {
  min-height: 140px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.bento-quote-text {
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--text-main);
  font-weight: 400;
  letter-spacing: -0.01em;
}

.bento-quote-author {
  margin-top: 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
}

/* Tabs for Quote Switcher */
.bento-tabs {
  display: flex;
  gap: 1.25rem;
  margin-top: 2.5rem;
  border-top: 1px solid var(--border-subtle);
  padding-top: 1.25rem;
}

.bento-tab-btn {
  position: relative;
  padding-top: 0.5rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-dim);
  cursor: pointer;
  transition: color var(--transition-fast);
  text-align: left;
}

.bento-tab-btn::before {
  content: "";
  position: absolute;
  top: -1.25rem;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--text-main);
  opacity: 0;
  border-radius: 2px;
  transition: opacity var(--transition-fast);
}

.bento-tab-btn.active {
  color: var(--text-main);
}

.bento-tab-btn.active::before {
  opacity: 1;
}

/* Standard Bento Stat Cards */
.bento-stat-card {
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 2rem;
  transition: all var(--transition-fast);
}

.bento-stat-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}

.stat-number {
  font-size: clamp(2.5rem, 4vw, 3.75rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--text-main);
}

.stat-label {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* ---------- PUBLICATIONS VAULT ---------- */
.section-publications {
  padding: 6.5rem 0;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
}

.filter-bar {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

@media (min-width: 768px) {
  .filter-bar {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.filter-chip {
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-chip:hover, .filter-chip.active {
  color: var(--text-main);
  background: var(--bg-glass);
  border-color: var(--text-main);
}

.filter-search-wrap {
  position: relative;
  min-width: 260px;
}

.filter-search-input {
  width: 100%;
  padding: 0.5rem 1rem 0.5rem 2.25rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  color: var(--text-main);
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  outline: none;
  transition: border-color var(--transition-fast);
}

.filter-search-input:focus {
  border-color: rgba(255, 255, 255, 0.4);
}

.filter-search-icon {
  position: absolute;
  left: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
  pointer-events: none;
}

/* Publication Card Items */
.publications-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.pub-card {
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  padding: 1.75rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: all var(--transition-fast);
}

.pub-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}

.pub-meta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem;
}

.pub-badge-year {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-main);
}

.pub-badge-venue {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
}

.pub-title {
  font-size: 1.35rem;
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -0.015em;
  color: var(--text-main);
}

.pub-authors {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.pub-abstract {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-muted);
}

.pub-topic-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.25rem;
}

.pub-tag {
  font-size: 0.725rem;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-dim);
  border: 1px solid var(--border-subtle);
}

.pub-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.pub-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.825rem;
  font-weight: 500;
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-full);
  background: var(--bg-surface);
  border: 1px solid var(--border-glass);
  color: var(--text-main);
  transition: all var(--transition-fast);
}

.pub-action-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
}

/* ---------- CONTACT & IDENTITY ---------- */
.section-contact {
  padding: 6.5rem 0;
  background: var(--bg-base);
}

.contact-card {
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
  border: 1px solid var(--border-glass);
  padding: 3rem 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  position: relative;
  overflow: hidden;
}

@media (min-width: 820px) {
  .contact-card {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.contact-info {
  max-width: 550px;
}

.contact-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 0.75rem;
}

.contact-subtext {
  font-size: 1.05rem;
  color: var(--text-muted);
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* ---------- SEARCH DIALOG MODAL (Command-K) ---------- */
.search-dialog {
  margin: 10vh auto auto;
  width: calc(100% - 2rem);
  max-width: 620px;
  border-radius: var(--radius-lg);
  background: var(--bg-surface);
  border: 1px solid var(--border-glass);
  color: var(--text-main);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.75);
  padding: 0;
  outline: none;
}

.search-dialog::backdrop {
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
}

.dialog-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.2rem 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

.dialog-input {
  width: 100%;
  background: transparent;
  border: none;
  font-size: 1.05rem;
  color: var(--text-main);
  outline: none;
}

.dialog-results {
  max-height: 380px;
  overflow-y: auto;
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.result-item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  color: var(--text-main);
  transition: background var(--transition-fast);
  cursor: pointer;
}

.result-item:hover, .result-item.selected {
  background: rgba(255, 255, 255, 0.08);
}

.result-title {
  font-size: 0.95rem;
  font-weight: 500;
}

.result-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ---------- TOAST NOTIFICATION ---------- */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 999;
  pointer-events: none;
}

.toast {
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-full);
  background: var(--text-main);
  color: var(--bg-base);
  font-size: 0.875rem;
  font-weight: 500;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  transform: translateY(20px);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* ---------- FOOTER ---------- */
.site-footer {
  padding: 5rem 0 3.5rem;
  background: var(--bg-base);
  border-top: 1px solid var(--border-subtle);
  color: var(--text-muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 1.5fr repeat(3, 1fr);
  }
}

.footer-col-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.footer-link {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--text-main);
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--border-subtle);
  align-items: center;
  text-align: center;
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer-copy {
  font-size: 0.875rem;
}

.footer-socials {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.social-link {
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.social-link:hover {
  color: var(--text-main);
}