/* ============================================
   SPARKALYTICS — Design System
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=Geist:wght@300;400;500;600;700&family=Geist+Mono:wght@400;500&display=swap');

:root {
  /* Color palette — deep dark with electric accents */
  --bg-base: #07080b;
  --bg-elevated: #0c0e13;
  --bg-card: #0f1118;
  --bg-card-hover: #131620;
  --border: rgba(255, 255, 255, 0.06);
  --border-strong: rgba(255, 255, 255, 0.12);

  --text-primary: #f4f5f7;
  --text-secondary: #a1a5b0;
  --text-tertiary: #6b7080;
  --text-muted: #4a4e5b;

  /* Accent — electric blue with violet shift */
  --accent: #5b8def;
  --accent-bright: #7aa3ff;
  --accent-violet: #8b5cf6;
  --accent-cyan: #22d3ee;
  --gradient-primary: linear-gradient(135deg, #5b8def 0%, #8b5cf6 100%);
  --gradient-soft: linear-gradient(135deg, rgba(91,141,239,0.15) 0%, rgba(139,92,246,0.15) 100%);
  --gradient-glow: radial-gradient(circle at 50% 0%, rgba(91,141,239,0.18), transparent 60%);

  /* Typography */
  --font-sans: 'Geist', -apple-system, sans-serif;
  --font-serif: 'Instrument Serif', Georgia, serif;
  --font-mono: 'Geist Mono', ui-monospace, monospace;

  /* Spacing & layout */
  --container: 1200px;
  --container-wide: 1320px;
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  font-weight: 400;
  letter-spacing: -0.01em;
}

/* Background atmosphere — dot grid + radial gradient */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(circle at 1px 1px, rgba(255,255,255,0.03) 1px, transparent 0);
  background-size: 32px 32px;
  pointer-events: none;
  z-index: 0;
  mask-image: radial-gradient(ellipse at top, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at top, black 20%, transparent 70%);
}

body::after {
  content: '';
  position: fixed;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 1200px;
  height: 600px;
  background: radial-gradient(ellipse at center, rgba(91,141,239,0.12) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
  filter: blur(40px);
}

main, nav, footer {
  position: relative;
  z-index: 1;
}

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

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

/* ============================================
   Typography
   ============================================ */

h1, h2, h3, h4 {
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--text-primary);
}

h1 { font-size: clamp(2.5rem, 6vw, 4.75rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }
h4 { font-size: 1.125rem; font-weight: 500; }

.serif {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.02em;
  /* Italic letters lean right and overhang their box; padding gives room
     so edges aren't clipped (especially when combined with background-clip:text) */
  padding-right: 0.12em;
  padding-left: 0.04em;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent-bright);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.eyebrow::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent), 0 0 20px var(--accent);
}

.lead {
  font-size: clamp(1.05rem, 1.4vw, 1.25rem);
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 640px;
}

.gradient-text {
  background: linear-gradient(135deg, #f4f5f7 0%, #a1a5b0 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.accent-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  /* Display-inline-block + padding prevents the gradient from being clipped
     at letter edges (fixes cut-off italic letters and uneven gradient color).
     padding gives the slanted glyphs room; negative margin keeps layout tight. */
  display: inline-block;
  padding: 0.05em 0.14em 0.08em 0.06em;
  margin: -0.05em -0.14em -0.08em -0.06em;
}

/* When serif italic and accent gradient are combined (the common case),
   let .accent-text own the spacing so padding doesn't stack up. */
.serif.accent-text {
  padding-right: 0.16em;
  padding-left: 0.06em;
}

/* ============================================
   Layout containers
   ============================================ */

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

.container-wide {
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 32px;
}

section {
  padding: 96px 0;
  position: relative;
}

@media (max-width: 768px) {
  section { padding: 64px 0; }
  .container, .container-wide { padding: 0 20px; }
}

/* ============================================
   Navigation
   ============================================ */

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7, 8, 11, 0.7);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  letter-spacing: -0.02em;
  font-size: 1.05rem;
}

.logo-mark {
  width: 26px;
  height: 26px;
  border-radius: 7px;
  background: var(--gradient-primary);
  display: grid;
  place-items: center;
  box-shadow: 0 0 20px rgba(91,141,239,0.4);
  position: relative;
  overflow: hidden;
}

.logo-mark::after {
  content: '';
  position: absolute;
  inset: 1px;
  border-radius: 6px;
  background: linear-gradient(135deg, #1a2030 0%, #0c0e13 100%);
}

.logo-mark svg {
  position: relative;
  z-index: 1;
  width: 14px;
  height: 14px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}

.nav-links a {
  padding: 8px 14px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: color 0.2s, background 0.2s;
}

.nav-links a:hover {
  color: var(--text-primary);
  background: rgba(255,255,255,0.04);
}

.nav-links a.active {
  color: var(--text-primary);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.mobile-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
  width: 38px;
  height: 38px;
  border-radius: 8px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 16px 20px;
    gap: 4px;
    align-items: stretch;
  }
  .nav-links.open a { padding: 12px 14px; }
  .mobile-toggle { display: inline-flex; }
  .nav-cta .btn:not(.btn-icon) { display: none; }
}

/* ============================================
   Buttons
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.25s var(--ease-out);
  text-decoration: none;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.btn-primary {
  background: var(--text-primary);
  color: var(--bg-base);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity 0.3s var(--ease-out);
}

.btn-primary span {
  position: relative;
  z-index: 1;
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(91,141,239,0.35);
  color: white;
}

.btn-primary:hover::before { opacity: 1; }

.btn-secondary {
  background: rgba(255,255,255,0.04);
  color: var(--text-primary);
  border: 1px solid var(--border-strong);
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.2);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}

.btn-ghost:hover { color: var(--text-primary); }

.btn-lg {
  padding: 13px 22px;
  font-size: 0.95rem;
}

.arrow {
  transition: transform 0.25s var(--ease-out);
}

.btn:hover .arrow { transform: translateX(3px); }

/* ============================================
   Hero
   ============================================ */

.hero {
  padding: 120px 0 80px;
  text-align: center;
  position: relative;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px 6px 6px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-strong);
  border-radius: 100px;
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
  font-family: var(--font-mono);
}

.hero-badge-tag {
  background: var(--gradient-primary);
  color: white;
  padding: 2px 10px;
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hero h1 {
  margin-bottom: 24px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.hero .lead {
  margin: 0 auto 40px;
  max-width: 620px;
  font-size: clamp(1.05rem, 1.4vw, 1.2rem);
}

.hero-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-tagline {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(1.1rem, 1.6vw, 1.4rem);
  color: var(--text-secondary);
  margin-top: 56px;
  letter-spacing: -0.01em;
}

/* ============================================
   Section headers
   ============================================ */

.section-header {
  text-align: center;
  margin-bottom: 64px;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.section-header .eyebrow {
  margin-bottom: 16px;
}

.section-header h2 {
  margin-bottom: 16px;
}

.section-header .lead {
  margin-left: auto;
  margin-right: auto;
}

/* ============================================
   Cards & Grids
   ============================================ */

.grid {
  display: grid;
  gap: 20px;
}

.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 900px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s var(--ease-out), transform 0.3s var(--ease-out);
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(91,141,239,0.3), transparent);
  opacity: 0;
  transition: opacity 0.4s var(--ease-out);
}

.card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(600px circle at var(--mx, 50%) var(--my, 50%), rgba(91,141,239,0.06), transparent 40%);
  opacity: 0;
  transition: opacity 0.4s var(--ease-out);
  pointer-events: none;
}

.card:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

.card:hover::before { opacity: 1; }
.card:hover::after { opacity: 1; }

.card-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--gradient-soft);
  border: 1px solid var(--border-strong);
  display: grid;
  place-items: center;
  margin-bottom: 24px;
  color: var(--accent-bright);
}

.card-icon svg {
  width: 22px;
  height: 22px;
}

.card h3 {
  margin-bottom: 12px;
  font-size: 1.15rem;
  font-weight: 500;
}

.card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

.card-list {
  list-style: none;
  margin-top: 16px;
}

.card-list li {
  color: var(--text-secondary);
  font-size: 0.9rem;
  padding: 6px 0;
  padding-left: 22px;
  position: relative;
}

.card-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 13px;
  width: 12px;
  height: 1px;
  background: var(--accent);
}

/* ============================================
   Feature row (icon + text inline)
   ============================================ */

.feature-row {
  display: flex;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}

.feature-row:last-child { border-bottom: none; }

.feature-row-icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  border-radius: 8px;
  background: rgba(91,141,239,0.1);
  border: 1px solid rgba(91,141,239,0.2);
  display: grid;
  place-items: center;
  color: var(--accent-bright);
}

.feature-row-icon svg { width: 18px; height: 18px; }

.feature-row h4 { margin-bottom: 4px; font-size: 1rem; }
.feature-row p { color: var(--text-secondary); font-size: 0.9rem; }

/* ============================================
   CTA section
   ============================================ */

.cta-section {
  text-align: center;
  padding: 100px 0;
  position: relative;
}

.cta-card {
  background: linear-gradient(135deg, rgba(91,141,239,0.08) 0%, rgba(139,92,246,0.08) 100%);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-xl);
  padding: 72px 40px;
  position: relative;
  overflow: hidden;
}

.cta-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(91,141,239,0.15) 0%, transparent 60%);
  filter: blur(40px);
  pointer-events: none;
}

.cta-card > * { position: relative; z-index: 1; }

.cta-card h2 { margin-bottom: 16px; max-width: 600px; margin-left: auto; margin-right: auto; }
.cta-card .lead { margin: 0 auto 32px; }

/* ============================================
   Footer
   ============================================ */

footer {
  border-top: 1px solid var(--border);
  background: var(--bg-elevated);
  padding: 64px 0 32px;
  margin-top: 80px;
  position: relative;
  z-index: 1;
}

.footer-inner {
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: 16px;
  max-width: 320px;
  line-height: 1.6;
}

.footer-col h4 {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-tertiary);
  font-weight: 500;
  margin-bottom: 16px;
  font-family: var(--font-mono);
}

.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--text-primary); }

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-tertiary);
  flex-wrap: wrap;
  gap: 16px;
}

/* ============================================
   Form
   ============================================ */

.form {
  display: grid;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

@media (max-width: 640px) { .form-row { grid-template-columns: 1fr; } }

.form-field { display: flex; flex-direction: column; gap: 8px; }

.form-field label {
  font-size: 0.82rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.form-field input,
.form-field textarea,
.form-field select {
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
  padding: 13px 16px;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: border-color 0.2s, background 0.2s;
}

.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--bg-card-hover);
  box-shadow: 0 0 0 4px rgba(91,141,239,0.1);
}

.form-field textarea { resize: vertical; min-height: 140px; }

/* ============================================
   Misc utilities
   ============================================ */

.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-strong), transparent);
  margin: 80px 0;
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.8s var(--ease-out) forwards;
}

.fade-in-1 { animation-delay: 0.1s; }
.fade-in-2 { animation-delay: 0.2s; }
.fade-in-3 { animation-delay: 0.3s; }
.fade-in-4 { animation-delay: 0.4s; }

@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

/* Page header (non-home pages) */
.page-header {
  padding: 96px 0 48px;
  text-align: center;
  position: relative;
}

.page-header .eyebrow { margin-bottom: 20px; }
.page-header h1 { margin-bottom: 20px; max-width: 820px; margin-left: auto; margin-right: auto; }
.page-header .lead { margin: 0 auto; }

/* Stat strip */
.stat-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-top: 64px;
}

@media (max-width: 768px) {
  .stat-strip { grid-template-columns: repeat(2, 1fr); }
}

.stat {
  background: var(--bg-card);
  padding: 28px;
  text-align: center;
}

.stat-value {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 2.5rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.82rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
}

/* Pill tag */
.pill {
  display: inline-block;
  padding: 5px 12px;
  background: rgba(91,141,239,0.1);
  border: 1px solid rgba(91,141,239,0.2);
  color: var(--accent-bright);
  border-radius: 100px;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
}

/* Use case list */
.use-case-list { display: grid; gap: 16px; }

.use-case-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 32px;
  display: grid;
  grid-template-columns: 48px 1fr auto;
  gap: 24px;
  align-items: center;
  transition: all 0.3s var(--ease-out);
}

.use-case-item:hover {
  border-color: var(--border-strong);
  background: var(--bg-card-hover);
}

.use-case-num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-tertiary);
  letter-spacing: 0.05em;
}

.use-case-item h3 { font-size: 1.05rem; margin-bottom: 4px; }
.use-case-item p { color: var(--text-secondary); font-size: 0.92rem; }

@media (max-width: 640px) {
  .use-case-item { grid-template-columns: 1fr; gap: 8px; padding: 20px; }
  .use-case-item .pill { justify-self: start; }
}

/* ============================================
   Tech strip (homepage, under hero)
   ============================================ */

.tech-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px 20px;
  padding: 20px 32px;
  background: linear-gradient(180deg, rgba(255,255,255,0.02) 0%, transparent 100%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.tech-strip-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.18em;
}

.tech-strip-divider {
  width: 1px;
  height: 16px;
  background: var(--border-strong);
}

.tech-item {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: color 0.2s;
}

.tech-item::before {
  content: '';
  width: 4px;
  height: 4px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent);
}

.tech-item:hover { color: var(--text-primary); }

@media (max-width: 768px) {
  .tech-strip { padding: 18px 20px; gap: 10px 14px; }
  .tech-strip-divider { display: none; }
  .tech-item { font-size: 0.75rem; }
}

/* ============================================
   Founder card (About page)
   ============================================ */

.founder-card {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 56px;
  padding: 56px 48px;
  background:
    radial-gradient(circle at top left, rgba(91,141,239,0.08), transparent 50%),
    var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
}

.founder-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.5;
}

.founder-meta {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.founder-years {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
}

.founder-years-num {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 5rem;
  line-height: 0.9;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.03em;
}

.founder-years-num sup {
  font-size: 2.2rem;
  vertical-align: super;
  margin-left: 2px;
}

.founder-years-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
  line-height: 1.5;
  max-width: 220px;
}

.founder-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

@media (max-width: 768px) {
  .founder-card {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 36px 28px;
  }
  .founder-years-num { font-size: 4rem; }
}

/* ============================================
   Event banner (homepage)
   ============================================ */

.event-banner {
  position: relative;
  background:
    linear-gradient(135deg, rgba(91,141,239,0.10) 0%, rgba(139,92,246,0.10) 100%),
    var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-xl);
  padding: 56px 56px;
  overflow: hidden;
}

.event-banner-glow {
  position: absolute;
  top: -150px;
  right: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(91,141,239,0.18) 0%, transparent 60%);
  filter: blur(50px);
  pointer-events: none;
}

.event-banner::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 2px 2px, rgba(255,255,255,0.04) 1px, transparent 0);
  background-size: 24px 24px;
  mask-image: radial-gradient(ellipse at top right, black 10%, transparent 50%);
  -webkit-mask-image: radial-gradient(ellipse at top right, black 10%, transparent 50%);
  pointer-events: none;
}

.event-banner-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
}

.event-banner-tag-row {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.event-pill-live {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(91,141,239,0.15);
  border: 1px solid rgba(91,141,239,0.3);
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent-bright);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.event-pill-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.2); }
}

.event-banner-date {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
}

.event-banner-title {
  font-size: clamp(2rem, 4vw, 3.25rem);
  line-height: 1.05;
  margin-bottom: 12px;
}

.event-banner-subtitle {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-tertiary);
  letter-spacing: 0.06em;
  margin-bottom: 24px;
}

.event-banner-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 32px;
  max-width: 600px;
}

.event-banner-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
  padding: 20px 0;
  margin-bottom: 32px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.event-meta-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.event-meta-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.event-meta-value {
  font-size: 0.92rem;
  color: var(--text-primary);
  font-weight: 500;
}

.event-meta-divider {
  width: 1px;
  height: 30px;
  background: var(--border-strong);
}

.event-banner-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

@media (max-width: 768px) {
  .event-banner { padding: 36px 28px; }
  .event-meta-divider { display: none; }
  .event-banner-meta { gap: 16px; }
}

/* ============================================
   Event detail page
   ============================================ */

.event-hero-card {
  background:
    linear-gradient(135deg, rgba(91,141,239,0.08) 0%, rgba(139,92,246,0.08) 100%),
    var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-xl);
  padding: 48px;
  margin-bottom: 24px;
  position: relative;
  overflow: hidden;
}

.event-hero-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-primary);
}

.event-detail-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  overflow: hidden;
  margin: 32px 0;
}

@media (max-width: 768px) {
  .event-detail-grid { grid-template-columns: repeat(2, 1fr); }
  .event-hero-card { padding: 32px 24px; }
}

.event-detail-item {
  background: var(--bg-card);
  padding: 24px;
  text-align: center;
}

.event-detail-icon {
  width: 36px;
  height: 36px;
  margin: 0 auto 12px;
  border-radius: 8px;
  background: var(--gradient-soft);
  border: 1px solid rgba(91,141,239,0.2);
  display: grid;
  place-items: center;
  color: var(--accent-bright);
}

.event-detail-icon svg { width: 18px; height: 18px; }

.event-detail-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-tertiary);
  margin-bottom: 6px;
}

.event-detail-value {
  font-size: 0.95rem;
  color: var(--text-primary);
  font-weight: 500;
}

.curriculum-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

@media (max-width: 900px) {
  .curriculum-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 500px) {
  .curriculum-grid { grid-template-columns: 1fr; }
}

.curriculum-day {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: all 0.3s var(--ease-out);
  position: relative;
}

.curriculum-day:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

.curriculum-day-num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--accent-bright);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.curriculum-day h3 {
  font-size: 1.1rem;
  margin-bottom: 12px;
}

.curriculum-day p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
  font-style: italic;
  margin-bottom: 16px;
}

.curriculum-day ul {
  list-style: none;
  padding: 0;
}

.curriculum-day li {
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding: 4px 0 4px 16px;
  position: relative;
}

.curriculum-day li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 12px;
  width: 8px;
  height: 1px;
  background: var(--accent);
}

.mentor-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
}

.mentor-card h3 {
  font-size: 1.15rem;
  margin-bottom: 4px;
}

.mentor-role {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-bright);
  letter-spacing: 0.04em;
  margin-bottom: 16px;
}

.mentor-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}