🎨 Ultra premium UI: enhanced design system with animations, gradients, bento grid

web/src/app/globals.css

@@ -1,8 +1,8 @@
 @import "tailwindcss";
-@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@400;500;600&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');
+@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@400;500;600;700&family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');
 
 /* ═══════════════════════════════════════════════════════════
-   TigerGraph × Claude — Fused Design System
+   GraphRAG Ultra — Premium Design System
    Canvas: warm cream · Primary: tiger orange · Accent: coral
    Text: navy · Dark surfaces: claude dark · Serif display
    ═══════════════════════════════════════════════════════════ */
@@ -68,7 +68,16 @@ body {
   background: var(--color-canvas);
 }
 
-/* ── Typography — Serif Display + Sans Body ──────────── */
+/* ── Typography ──────────────────────────────────────── */
+.display-hero {
+  font-family: var(--font-serif);
+  font-size: clamp(3rem, 6vw, 5.5rem);
+  font-weight: 400;
+  line-height: 1.02;
+  letter-spacing: -2.5px;
+  color: var(--color-ink);
+}
+
 .display-xl {
   font-family: var(--font-serif);
   font-size: clamp(2.5rem, 5vw, 4rem);
@@ -108,11 +117,12 @@ body {
 .title-lg { font-size: 1.375rem; font-weight: 500; line-height: 1.3; color: var(--color-ink); }
 .title-md { font-size: 1.125rem; font-weight: 500; line-height: 1.4; color: var(--color-ink); }
 .title-sm { font-size: 1rem; font-weight: 500; line-height: 1.4; color: var(--color-ink); }
+.body-lg { font-size: 1.125rem; font-weight: 400; line-height: 1.6; color: var(--color-body); }
 .body-md { font-size: 1rem; font-weight: 400; line-height: 1.55; color: var(--color-body); }
 .body-sm { font-size: 0.875rem; font-weight: 400; line-height: 1.55; color: var(--color-body); }
 .caption { font-size: 0.8125rem; font-weight: 500; line-height: 1.4; color: var(--color-muted); }
 .caption-uppercase {
-  font-size: 0.75rem; font-weight: 500; line-height: 1.4;
+  font-size: 0.75rem; font-weight: 600; line-height: 1.4;
   letter-spacing: 1.5px; text-transform: uppercase; color: var(--color-muted);
 }
 .code-text { font-family: var(--font-mono); font-size: 0.875rem; line-height: 1.6; }
@@ -122,28 +132,29 @@ body {
   display: inline-flex; align-items: center; justify-content: center; gap: 8px;
   font-family: var(--font-sans); font-size: 0.875rem; font-weight: 500;
   padding: 10px 20px; height: 40px; border-radius: 8px;
-  border: none; cursor: pointer; transition: all 0.15s ease;
+  border: none; cursor: pointer; transition: all 0.2s cubic-bezier(0.4,0,0.2,1);
   text-decoration: none; white-space: nowrap;
 }
 
 .btn-primary {
   background: var(--color-tiger-orange); color: var(--color-on-primary);
-  box-shadow: 0 1px 2px rgba(0,0,0,0.08);
+  box-shadow: 0 1px 3px rgba(255,107,0,0.2), 0 1px 2px rgba(0,0,0,0.06);
 }
-.btn-primary:hover { background: var(--color-tiger-orange-hover); }
-.btn-primary:active { background: #CC5500; transform: translateY(1px); }
-.btn-primary:disabled { background: var(--color-surface-cream-strong); color: var(--color-muted); cursor: default; }
+.btn-primary:hover { background: var(--color-tiger-orange-hover); box-shadow: 0 4px 12px rgba(255,107,0,0.3); transform: translateY(-1px); }
+.btn-primary:active { transform: translateY(0); }
+.btn-primary:disabled { background: var(--color-surface-cream-strong); color: var(--color-muted); cursor: default; box-shadow: none; transform: none; }
 
 .btn-secondary {
   background: var(--color-canvas); color: var(--color-ink);
   border: 1px solid var(--color-hairline);
 }
-.btn-secondary:hover { background: var(--color-surface-soft); border-color: var(--color-muted-soft); }
+.btn-secondary:hover { background: var(--color-surface-soft); border-color: var(--color-muted-soft); transform: translateY(-1px); }
 
 .btn-coral {
   background: var(--color-coral); color: var(--color-on-primary);
+  box-shadow: 0 1px 3px rgba(204,120,92,0.2);
 }
-.btn-coral:hover { background: var(--color-coral-active); }
+.btn-coral:hover { background: var(--color-coral-active); box-shadow: 0 4px 12px rgba(204,120,92,0.3); transform: translateY(-1px); }
 
 .btn-ghost {
   background: transparent; color: var(--color-muted); padding: 8px 12px; height: auto;
@@ -151,12 +162,12 @@ body {
 .btn-ghost:hover { color: var(--color-ink); background: var(--color-surface-soft); }
 
 .btn-on-dark {
-  background: var(--color-surface-dark-elev); color: var(--color-on-dark);
-  border: 1px solid rgba(255,255,255,0.1);
+  background: rgba(255,255,255,0.1); color: var(--color-on-dark);
+  border: 1px solid rgba(255,255,255,0.15); backdrop-filter: blur(8px);
 }
-.btn-on-dark:hover { background: var(--color-surface-dark-soft); }
+.btn-on-dark:hover { background: rgba(255,255,255,0.18); }
 
-.btn-lg { height: 48px; padding: 12px 28px; font-size: 1rem; border-radius: 10px; }
+.btn-lg { height: 52px; padding: 14px 32px; font-size: 1rem; border-radius: 12px; font-weight: 600; }
 .btn-sm { height: 32px; padding: 6px 14px; font-size: 0.8125rem; border-radius: 6px; }
 .btn-icon { width: 36px; height: 36px; padding: 0; border-radius: 50%; }
 
@@ -164,36 +175,45 @@ body {
 .card {
   background: var(--color-canvas);
   border: 1px solid var(--color-hairline);
-  border-radius: 12px;
+  border-radius: 16px;
   padding: 32px;
+  transition: all 0.25s cubic-bezier(0.4,0,0.2,1);
 }
 
 .card-cream {
   background: var(--color-surface-card);
   border: none;
-  border-radius: 12px;
+  border-radius: 16px;
   padding: 32px;
 }
 
 .card-dark {
   background: var(--color-surface-dark);
   border: none;
-  border-radius: 12px;
+  border-radius: 16px;
   padding: 32px;
   color: var(--color-on-dark);
 }
 
 .card-dark-elevated {
   background: var(--color-surface-dark-elev);
-  border-radius: 12px;
+  border-radius: 16px;
   padding: 24px;
   color: var(--color-on-dark);
 }
 
+.card-glass {
+  background: rgba(250, 249, 245, 0.6);
+  backdrop-filter: blur(20px);
+  border: 1px solid rgba(230, 223, 216, 0.5);
+  border-radius: 16px;
+  padding: 32px;
+}
+
 .card-coral {
-  background: var(--color-tiger-orange);
+  background: linear-gradient(135deg, #FF6B00, #E55F00);
   border: none;
-  border-radius: 12px;
+  border-radius: 16px;
   padding: 48px;
   color: var(--color-on-primary);
 }
@@ -201,20 +221,32 @@ body {
 .card-coral .display-sm,
 .card-coral .display-md { color: var(--color-on-primary); }
 
-.card-hover { transition: transform 0.2s ease, box-shadow 0.2s ease; }
+.card-hover { transition: transform 0.3s cubic-bezier(0.4,0,0.2,1), box-shadow 0.3s cubic-bezier(0.4,0,0.2,1); }
 .card-hover:hover {
-  transform: translateY(-2px);
-  box-shadow: 0 8px 32px rgba(0, 43, 73, 0.08);
+  transform: translateY(-4px);
+  box-shadow: 0 12px 40px rgba(0, 43, 73, 0.1);
 }
 
-/* ── Pipeline Comparison Cards ───────────────────────── */
-.pipeline-baseline {
-  border-left: 4px solid var(--color-electric-blue);
+.card-gradient-blue {
+  background: linear-gradient(135deg, #002B49, #003D6B);
+  border: none;
+  border-radius: 16px;
+  padding: 32px;
+  color: white;
 }
-.pipeline-graphrag {
-  border-left: 4px solid var(--color-tiger-orange);
+
+.card-gradient-orange {
+  background: linear-gradient(135deg, #FF6B00, #FF8C35);
+  border: none;
+  border-radius: 16px;
+  padding: 32px;
+  color: white;
 }
 
+/* ── Pipeline Comparison Cards ───────────────────────── */
+.pipeline-baseline { border-left: 4px solid var(--color-electric-blue); }
+.pipeline-graphrag { border-left: 4px solid var(--color-tiger-orange); }
+
 /* ── Badges ──────────────────────────────────────────── */
 .badge {
   display: inline-flex; align-items: center;
@@ -229,50 +261,55 @@ body {
 .badge-outline {
   background: transparent; border: 1px solid var(--color-hairline); color: var(--color-muted);
 }
+.badge-glow {
+  background: var(--color-tiger-orange);
+  color: white;
+  box-shadow: 0 0 16px rgba(255,107,0,0.3);
+}
 
 /* ── Inputs ──────────────────────────────────────────── */
 .input {
-  width: 100%; height: 40px; padding: 10px 14px;
+  width: 100%; height: 44px; padding: 10px 16px;
   background: var(--color-canvas); color: var(--color-ink);
-  border: 1px solid var(--color-hairline); border-radius: 8px;
+  border: 1px solid var(--color-hairline); border-radius: 10px;
   font-family: var(--font-sans); font-size: 1rem;
-  transition: border-color 0.15s ease, box-shadow 0.15s ease;
+  transition: border-color 0.2s ease, box-shadow 0.2s ease;
 }
 .input:focus {
   outline: none; border-color: var(--color-tiger-orange);
-  box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.12);
+  box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.1);
 }
 .input::placeholder { color: var(--color-muted-soft); }
-
 .textarea { min-height: 100px; resize: vertical; }
 
 /* ── Tabs ────────────────────────────────────────────── */
 .tab-bar {
   display: flex; gap: 4px; padding: 4px;
   background: var(--color-surface-soft);
-  border-radius: 10px; overflow-x: auto;
+  border-radius: 12px; overflow-x: auto;
 }
 .tab-item {
-  padding: 8px 16px; border-radius: 8px;
+  padding: 10px 20px; border-radius: 10px;
   font-size: 0.875rem; font-weight: 500;
   color: var(--color-muted); cursor: pointer;
-  transition: all 0.15s ease; white-space: nowrap;
+  transition: all 0.2s ease; white-space: nowrap;
   border: none; background: transparent;
 }
 .tab-item:hover { color: var(--color-ink); background: var(--color-canvas); }
 .tab-item-active {
   color: var(--color-ink); background: var(--color-canvas);
-  box-shadow: 0 1px 3px rgba(0, 43, 73, 0.08);
+  box-shadow: 0 2px 8px rgba(0, 43, 73, 0.08);
 }
 
 /* ── Metric Display ──────────────────────────────────── */
 .metric-value {
   font-family: var(--font-mono);
-  font-size: 2rem; font-weight: 500;
+  font-size: 2.5rem; font-weight: 600;
   color: var(--color-ink);
   line-height: 1.1;
 }
 .metric-value-sm { font-size: 1.5rem; }
+.metric-value-lg { font-size: 3.5rem; }
 .metric-label { font-size: 0.8125rem; font-weight: 500; color: var(--color-muted); margin-top: 4px; }
 .metric-delta-positive { color: var(--color-success); font-size: 0.8125rem; font-weight: 500; }
 .metric-delta-negative { color: var(--color-error); font-size: 0.8125rem; font-weight: 500; }
@@ -280,23 +317,22 @@ body {
 /* ── Code Window ─────────────────────────────────────── */
 .code-window {
   background: var(--color-surface-dark);
-  border-radius: 12px;
+  border-radius: 16px;
   overflow: hidden;
+  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
 }
 .code-window-header {
   display: flex; align-items: center; gap: 8px;
-  padding: 12px 16px;
+  padding: 14px 18px;
   background: var(--color-surface-dark-elev);
   border-bottom: 1px solid rgba(255,255,255,0.06);
 }
-.code-window-dot {
-  width: 12px; height: 12px; border-radius: 50%;
-}
+.code-window-dot { width: 12px; height: 12px; border-radius: 50%; }
 .code-window-dot-red { background: #ff5f57; }
 .code-window-dot-yellow { background: #febc2e; }
 .code-window-dot-green { background: #28c840; }
 .code-window-body {
-  padding: 20px;
+  padding: 24px;
   font-family: var(--font-mono);
   font-size: 0.875rem;
   line-height: 1.7;
@@ -308,36 +344,59 @@ body {
 .navbar {
   position: sticky; top: 0; z-index: 50;
   display: flex; align-items: center; justify-content: space-between;
-  height: 64px; padding: 0 32px;
-  background: var(--color-canvas);
+  height: 72px; padding: 0 40px;
+  background: rgba(250, 249, 245, 0.8);
   border-bottom: 1px solid var(--color-hairline-soft);
-  backdrop-filter: blur(12px);
-  background: rgba(250, 249, 245, 0.92);
+  backdrop-filter: blur(16px) saturate(180%);
+  -webkit-backdrop-filter: blur(16px) saturate(180%);
+}
+
+.nav-link {
+  font-size: 0.875rem; font-weight: 500;
+  color: var(--color-muted);
+  text-decoration: none;
+  padding: 8px 16px;
+  border-radius: 8px;
+  transition: all 0.2s ease;
+  position: relative;
+}
+.nav-link:hover {
+  color: var(--color-ink);
+  background: var(--color-surface-soft);
+}
+.nav-link-active {
+  color: var(--color-tiger-orange);
+  background: var(--color-tiger-orange-light);
+}
+.nav-link-active::after {
+  content: '';
+  position: absolute;
+  bottom: -2px;
+  left: 16px;
+  right: 16px;
+  height: 2px;
+  background: var(--color-tiger-orange);
+  border-radius: 1px;
 }
 
 /* ── Section Rhythm ──────────────────────────────────── */
 .section { padding: 96px 0; }
-.section-sm { padding: 48px 0; }
-.container {
-  width: 100%; max-width: 1200px;
-  margin: 0 auto; padding: 0 24px;
-}
+.section-sm { padding: 64px 0; }
+.section-lg { padding: 128px 0; }
+.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
+.container-wide { width: 100%; max-width: 1400px; margin: 0 auto; padding: 0 24px; }
+.container-narrow { width: 100%; max-width: 800px; margin: 0 auto; padding: 0 24px; }
+
+/* ── Page Header ─────────────────────────────────────── */
+.page-header { padding: 80px 0 48px; text-align: center; }
+.page-header-dark { padding: 80px 0 48px; text-align: center; background: var(--color-surface-dark); color: var(--color-on-dark); }
 
 /* ── Graph Visualization ─────────────────────────────── */
-.graph-node {
-  transition: transform 0.2s ease;
-}
-.graph-node:hover {
-  transform: scale(1.15);
-  filter: drop-shadow(0 0 8px rgba(255, 107, 0, 0.4));
-}
-.graph-edge {
-  stroke: var(--color-muted-soft);
-  stroke-width: 1.5;
-  transition: stroke 0.2s ease;
-}
+.graph-node { transition: transform 0.2s ease; }
+.graph-node:hover { transform: scale(1.15); filter: drop-shadow(0 0 12px rgba(255, 107, 0, 0.5)); }
+.graph-edge { stroke: var(--color-muted-soft); stroke-width: 1.5; transition: stroke 0.2s ease; }
 
-/* ── Loading Skeleton ────────────────────────────────── */
+/* ── Animations ──────────────────────────────────────── */
 @keyframes shimmer {
   0% { background-position: -200% 0; }
   100% { background-position: 200% 0; }
@@ -349,22 +408,86 @@ body {
   border-radius: 8px;
 }
 
+@keyframes fadeInUp {
+  from { opacity: 0; transform: translateY(24px); }
+  to { opacity: 1; transform: translateY(0); }
+}
+.animate-fade-in-up { animation: fadeInUp 0.6s cubic-bezier(0.4,0,0.2,1) forwards; opacity: 0; }
+.delay-100 { animation-delay: 0.1s; }
+.delay-200 { animation-delay: 0.2s; }
+.delay-300 { animation-delay: 0.3s; }
+.delay-400 { animation-delay: 0.4s; }
+.delay-500 { animation-delay: 0.5s; }
+.delay-600 { animation-delay: 0.6s; }
+.delay-700 { animation-delay: 0.7s; }
+
+@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
+.animate-fade-in { animation: fadeIn 0.5s ease forwards; opacity: 0; }
+
+@keyframes slideInLeft { from { opacity: 0; transform: translateX(-32px); } to { opacity: 1; transform: translateX(0); } }
+.animate-slide-left { animation: slideInLeft 0.6s cubic-bezier(0.4,0,0.2,1) forwards; opacity: 0; }
+
+@keyframes slideInRight { from { opacity: 0; transform: translateX(32px); } to { opacity: 1; transform: translateX(0); } }
+.animate-slide-right { animation: slideInRight 0.6s cubic-bezier(0.4,0,0.2,1) forwards; opacity: 0; }
+
+@keyframes scaleIn { from { opacity: 0; transform: scale(0.92); } to { opacity: 1; transform: scale(1); } }
+.animate-scale-in { animation: scaleIn 0.5s cubic-bezier(0.4,0,0.2,1) forwards; opacity: 0; }
+
+@keyframes pulse-glow { 0%, 100% { box-shadow: 0 0 20px rgba(255,107,0,0.2); } 50% { box-shadow: 0 0 40px rgba(255,107,0,0.4); } }
+.animate-pulse-glow { animation: pulse-glow 3s ease-in-out infinite; }
+
+@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
+.animate-float { animation: float 4s ease-in-out infinite; }
+
+@keyframes gradient-shift { 0% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } 100% { background-position: 0% 50%; } }
+.animate-gradient { background-size: 200% auto; animation: gradient-shift 6s ease infinite; }
+
+/* ── Divider ─────────────────────────────────────────── */
+.divider { width: 48px; height: 3px; background: var(--color-tiger-orange); border-radius: 2px; }
+.divider-center { width: 48px; height: 3px; background: var(--color-tiger-orange); border-radius: 2px; margin: 0 auto; }
+
+/* ── Feature Grid ────────────────────────────────────── */
+.feature-icon { width: 56px; height: 56px; border-radius: 14px; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; margin-bottom: 16px; }
+.feature-icon-orange { background: var(--color-tiger-orange-light); }
+.feature-icon-blue { background: var(--color-electric-blue-light); }
+.feature-icon-teal { background: #e8f8f5; }
+.feature-icon-amber { background: #fef9e7; }
+.feature-icon-coral { background: #fef0eb; }
+
+/* ── Bento Grid ──────────────────────────────────────── */
+.bento-grid { display: grid; gap: 16px; }
+.bento-grid-3 { grid-template-columns: repeat(3, 1fr); }
+.bento-span-2 { grid-column: span 2; }
+.bento-row-2 { grid-row: span 2; }
+
+/* ── Glow effect ─────────────────────────────────────── */
+.glow-orange { box-shadow: 0 0 32px rgba(255,107,0,0.15); }
+.glow-blue { box-shadow: 0 0 32px rgba(0,114,206,0.15); }
+
 /* ── Tooltip ─────────────────────────────────────────── */
 .custom-tooltip {
   background: var(--color-canvas) !important;
   border: 1px solid var(--color-hairline) !important;
-  border-radius: 8px !important;
-  padding: 12px !important;
-  box-shadow: 0 4px 16px rgba(0, 43, 73, 0.08) !important;
+  border-radius: 10px !important;
+  padding: 14px !important;
+  box-shadow: 0 8px 32px rgba(0, 43, 73, 0.08) !important;
 }
 
 /* ── Responsive ──────────────────────────────────────── */
+@media (max-width: 1024px) {
+  .bento-grid-3 { grid-template-columns: 1fr 1fr; }
+  .bento-span-2 { grid-column: span 1; }
+}
 @media (max-width: 768px) {
-  .section { padding: 48px 0; }
+  .section { padding: 64px 0; }
+  .section-lg { padding: 80px 0; }
   .container { padding: 0 16px; }
-  .card, .card-cream, .card-dark { padding: 20px; }
-  .navbar { padding: 0 16px; height: 56px; }
+  .card, .card-cream, .card-dark { padding: 24px; }
+  .navbar { padding: 0 16px; height: 60px; }
+  .display-hero { letter-spacing: -1px; }
   .display-xl { letter-spacing: -0.5px; }
+  .bento-grid-3 { grid-template-columns: 1fr; }
+  .page-header { padding: 48px 0 32px; }
 }
 
 /* ── Scrollbar ───────────────────────────────────────── */
@@ -376,13 +499,28 @@ body {
 /* ── Selection ───────────────────────────────────────── */
 ::selection { background: rgba(255, 107, 0, 0.15); color: var(--color-ink); }
 
-/* ── Prose for markdown-like rendering ───────────────── */
+/* ── Prose ───────────────────────────────────────────── */
 .prose h1, .prose h2, .prose h3 { font-family: var(--font-serif); font-weight: 400; }
 .prose h1 { font-size: 2rem; letter-spacing: -0.5px; }
 .prose h2 { font-size: 1.5rem; letter-spacing: -0.3px; }
 .prose p { line-height: 1.7; color: var(--color-body); }
-.prose code {
-  font-family: var(--font-mono); font-size: 0.875em;
-  background: var(--color-surface-soft); padding: 2px 6px; border-radius: 4px;
-}
+.prose code { font-family: var(--font-mono); font-size: 0.875em; background: var(--color-surface-soft); padding: 2px 6px; border-radius: 4px; }
 .prose strong { color: var(--color-ink); font-weight: 600; }
+
+/* ── Gradient text ───────────────────────────────────── */
+.gradient-text-orange {
+  background: linear-gradient(135deg, #FF6B00, #cc785c);
+  -webkit-background-clip: text;
+  -webkit-text-fill-color: transparent;
+  background-clip: text;
+}
+.gradient-text-blue {
+  background: linear-gradient(135deg, #0072CE, #002B49);
+  -webkit-background-clip: text;
+  -webkit-text-fill-color: transparent;
+  background-clip: text;
+}
+
+/* ── Horizontal Scroll ───────────────────────────────── */
+.scroll-hidden::-webkit-scrollbar { display: none; }
+.scroll-hidden { -ms-overflow-style: none; scrollbar-width: none; }