/* ============================================
   ResearchZero website styles
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;600;700;800;900&family=Exo+2:wght@300;400;500;600;700;800;900&family=Share+Tech+Mono&display=swap');

:root {
  /* === Original v6 color palette (unchanged) === */
  --bg-white: #fafafa;
  --bg-light: #f0f0f0;
  --bg-dark: #0c0c14;
  --bg-darker: #08080e;
  --bg-card: rgba(255, 255, 255, 0.6);
  --bg-card-dark: rgba(255, 255, 255, 0.03);
  --text-dark: #111111;
  --text-body: #4a4a5a;
  --text-muted: #8a8a9a;
  --text-light: #e8e8f0;
  --text-light-muted: rgba(255, 255, 255, 0.5);
  --accent: #b91c1c;
  --accent-light: rgba(185, 28, 28, 0.06);
  --accent-hover: #d32f2f;
  --accent-glow: rgba(185, 28, 28, 0.18);
  --border-light: rgba(0, 0, 0, 0.06);
  --border-dark: rgba(255, 255, 255, 0.06);

  /* === Futuristic fonts === */
  --font-display: 'Orbitron', sans-serif;
  --font-body: 'Exo 2', sans-serif;
  --font-mono: 'Share Tech Mono', monospace;

  /* === Layout & motion === */
  --max-width: 1200px;
  --section-padding: 140px 0;
  --radius: 8px;
  --radius-sm: 6px;
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-med: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Reset --- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  background: var(--bg-white);
  color: var(--text-dark);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* --- Scanline overlay (disabled on light theme) --- */
.scanlines { display: none; }

/* --- Noise overlay --- */
.noise-overlay {
  position: fixed;
  inset: 0;
  z-index: 9998;
  pointer-events: none;
  opacity: 0.02;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 256px 256px;
}

/* --- Utility --- */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 32px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 4px;
  color: var(--accent);
  margin-bottom: 20px;
}

.section-eyebrow::before {
  content: '//';
  color: var(--text-muted);
  letter-spacing: 0;
}

.section-eyebrow::after {
  content: '';
  width: 32px;
  height: 1px;
  background: linear-gradient(90deg, var(--accent), transparent);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4.5vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--text-dark);
}

.text-gradient {
  background: linear-gradient(135deg, var(--accent) 0%, #e53935 50%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-family: var(--font-body);
  font-size: 1.05rem;
  color: var(--text-body);
  max-width: 540px;
  line-height: 1.8;
  font-weight: 300;
}

/* --- Buttons (angular cut-corner style) --- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 36px;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  border: none;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-med);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15), transparent);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 40px var(--accent-glow); color: #fff; }
.btn-primary:hover::before { opacity: 1; }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 36px;
  color: var(--text-body);
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  border: 1px solid var(--border-light);
  backdrop-filter: blur(10px);
  transition: all var(--transition-med);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
}

.btn-ghost:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }

/* --- Scroll Animations --- */
.fade-in { opacity: 0; transform: translateY(40px); transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1), transform 0.9s cubic-bezier(0.16, 1, 0.3, 1); }
.fade-in.visible { opacity: 1; transform: translateY(0); }
.fade-in:nth-child(2) { transition-delay: 0.1s; }
.fade-in:nth-child(3) { transition-delay: 0.2s; }
.fade-in:nth-child(4) { transition-delay: 0.3s; }
.fade-in:nth-child(5) { transition-delay: 0.35s; }
.fade-in:nth-child(6) { transition-delay: 0.4s; }

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  background: transparent;
  transition: all var(--transition-med);
}

.nav.scrolled {
  padding: 12px 0;
  background: rgba(250, 250, 250, 0.88);
  backdrop-filter: blur(24px) saturate(1.8);
  -webkit-backdrop-filter: blur(24px) saturate(1.8);
  border-bottom: 1px solid var(--border-light);
}

.nav .container { display: flex; align-items: center; }

.nav-logo {
  display: flex;
  align-items: baseline;
  margin-right: 60px;
}

.logo-research {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 4px;
  color: var(--text-dark);
  text-transform: uppercase;
}

.logo-zero {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 4px;
  color: var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
}

.nav-link {
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-body);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--accent);
  border-radius: 1px;
  transition: width var(--transition-med);
}

.nav-link:hover { color: var(--text-dark); }
.nav-link:hover::after { width: 100%; }

.nav-right { margin-left: auto; }

.nav-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 24px;
  font-family: var(--font-display);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: #fff;
  background: var(--accent);
  transition: all var(--transition-med);
}

.nav-cta-btn:hover { background: var(--accent-hover); transform: translateY(-1px); box-shadow: 0 8px 24px var(--accent-glow); color: #fff; }

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
  margin-left: auto;
}

.nav-hamburger span { display: block; width: 22px; height: 1.5px; background: var(--text-dark); transition: all var(--transition-fast); }
.nav-hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(4.5px, 4.5px); }
.nav-hamburger.active span:nth-child(2) { opacity: 0; }
.nav-hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(4.5px, -4.5px); }

.nav-mobile {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(250, 250, 250, 0.98);
  backdrop-filter: blur(20px);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 36px;
}

.nav-mobile.open { display: flex; }
.nav-mobile a {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-dark);
  letter-spacing: 3px;
  text-transform: uppercase;
}
.nav-mobile a:hover { color: var(--accent); }

/* ============================================
   HERO (light background)
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 0 80px;
  overflow: hidden;
  background: var(--bg-white);
}

#hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.hero-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: min(90vw, 900px);
  height: min(90vw, 900px);
  background: radial-gradient(circle, rgba(185, 28, 28, 0.06) 0%, rgba(185, 28, 28, 0.02) 40%, transparent 70%);
  pointer-events: none;
}

.hero .container { position: relative; z-index: 2; }
.hero-content { text-align: center; max-width: 960px; margin: 0 auto; }

.hero-label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 6px;
  color: var(--text-muted);
  margin-bottom: 28px;
}

.label-line { width: 40px; height: 1px; background: var(--border-light); }

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 6.5rem);
  font-weight: 900;
  line-height: 1;
  margin-bottom: 32px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-dark);
}

.hero h1 .highlight {
  color: var(--accent);
  position: relative;
  animation: textGlitch 8s ease-in-out infinite;
}

@keyframes textGlitch {
  0%, 95%, 100% { opacity: 1; transform: none; }
  96% { opacity: 0.85; transform: translate(-2px, 1px); }
  97% { opacity: 1; transform: translate(1px, -1px); }
  98% { opacity: 0.9; transform: translate(-1px, 0); }
}

.hero-text {
  font-family: var(--font-body);
  font-size: 1.1rem;
  font-weight: 300;
  color: var(--text-body);
  margin: 0 auto 44px;
  line-height: 1.9;
  max-width: 680px;
}

.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 80px; }

.hero-scroll {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  transition: color var(--transition-fast);
}

.hero-scroll:hover { color: var(--accent); }

.scroll-indicator {
  width: 20px;
  height: 32px;
  border: 1.5px solid var(--text-muted);
  border-radius: 10px;
  display: flex;
  justify-content: center;
  padding-top: 6px;
}

.scroll-dot {
  width: 3px;
  height: 8px;
  background: var(--accent);
  border-radius: 2px;
  animation: scrollDot 2s ease-in-out infinite;
}

@keyframes scrollDot {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50% { transform: translateY(8px); opacity: 0.3; }
}

/* Hero reveal animation */
.reveal-text { opacity: 0; transform: translateY(30px); }
.reveal-text.revealed { opacity: 1; transform: translateY(0); transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1), transform 0.9s cubic-bezier(0.16, 1, 0.3, 1); }

/* --- Data stream decoration (subtle on light) --- */
.data-stream {
  position: absolute;
  top: 0;
  width: 1px;
  height: 100%;
  overflow: hidden;
  pointer-events: none;
  opacity: 0.08;
}

.data-stream::before {
  content: '';
  position: absolute;
  top: -100%;
  left: 0;
  width: 1px;
  height: 60px;
  background: linear-gradient(180deg, transparent, var(--accent), transparent);
  animation: dataFall linear infinite;
}

.data-stream:nth-child(1) { left: 10%; }
.data-stream:nth-child(1)::before { animation-duration: 4s; animation-delay: 0s; }
.data-stream:nth-child(2) { left: 30%; }
.data-stream:nth-child(2)::before { animation-duration: 6s; animation-delay: 1s; }
.data-stream:nth-child(3) { left: 70%; }
.data-stream:nth-child(3)::before { animation-duration: 5s; animation-delay: 2s; }
.data-stream:nth-child(4) { left: 90%; }
.data-stream:nth-child(4)::before { animation-duration: 7s; animation-delay: 0.5s; }

@keyframes dataFall {
  0% { top: -60px; }
  100% { top: 100%; }
}

/* ============================================
   CAPABILITIES (dark section)
   ============================================ */
.capabilities {
  position: relative;
  padding: 160px 0;
  background: var(--bg-dark);
  color: var(--text-light);
  overflow: hidden;
}

/* Grid lines on dark sections */
.capabilities::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
}

.capabilities-bg-shapes { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }

.shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
}

.shape-1 {
  width: 500px;
  height: 500px;
  top: -200px;
  right: -100px;
  background: radial-gradient(circle, rgba(185, 28, 28, 0.08), transparent 70%);
}

.shape-2 {
  width: 400px;
  height: 400px;
  bottom: -150px;
  left: -100px;
  background: radial-gradient(circle, rgba(100, 100, 255, 0.04), transparent 70%);
}

.capabilities-header { text-align: center; margin-bottom: 48px; position: relative; z-index: 1; }

.capabilities-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-light);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.capabilities-header .section-eyebrow { color: rgba(255, 255, 255, 0.4); }
.capabilities-header .section-eyebrow::before { color: rgba(255, 255, 255, 0.2); }
.capabilities-header .section-eyebrow::after { background: linear-gradient(90deg, rgba(255,255,255,0.3), transparent); }

.capabilities-subtitle {
  font-size: 1.05rem;
  color: var(--text-light-muted);
  max-width: 540px;
  margin: 16px auto 0;
  line-height: 1.8;
  font-weight: 300;
}

.capabilities-divider {
  width: 100%;
  max-width: 800px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.08), transparent);
  margin: 0 auto 72px;
  position: relative;
  z-index: 1;
}

.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 960px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.capability-card {
  position: relative;
  border-radius: var(--radius);
  padding: 1px;
  background: linear-gradient(135deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02));
  transition: all var(--transition-med);
}

/* Corner brackets on dark cards */
.capability-card::before,
.capability-card::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  border-color: var(--accent);
  border-style: solid;
  border-width: 0;
  opacity: 0;
  transition: opacity var(--transition-med);
  z-index: 2;
}

.capability-card::before {
  top: -1px;
  left: -1px;
  border-top-width: 1px;
  border-left-width: 1px;
}

.capability-card::after {
  bottom: -1px;
  right: -1px;
  border-bottom-width: 1px;
  border-right-width: 1px;
}

.capability-card:hover::before,
.capability-card:hover::after { opacity: 1; }

.capability-card:hover {
  background: linear-gradient(135deg, rgba(185, 28, 28, 0.3), rgba(255,255,255,0.05));
  transform: translateY(-4px);
}

.capability-card-inner {
  background: rgba(12, 12, 20, 0.95);
  border-radius: calc(var(--radius) - 1px);
  padding: 40px 32px;
  height: 100%;
  backdrop-filter: blur(20px);
}

.capability-number {
  font-family: var(--font-display);
  font-size: 0.6rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 3px;
  margin-bottom: 24px;
}

.capability-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 24px;
  color: rgba(255, 255, 255, 0.5);
  transition: all var(--transition-med);
}

.capability-icon svg { width: 100%; height: 100%; }
.capability-card:hover .capability-icon { color: var(--accent); }

.capability-card h3 {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 14px;
  color: var(--text-light);
}

.capability-card p {
  font-size: 0.88rem;
  color: var(--text-light-muted);
  line-height: 1.7;
  font-weight: 300;
}

/* ============================================
   SERVICES (Bento Grid — light section)
   ============================================ */
.services { padding: var(--section-padding); background: var(--bg-white); }
.services-header { text-align: center; margin-bottom: 64px; }
.services-header .section-subtitle { margin: 0 auto; }

.services-bento {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: auto;
  gap: 20px;
}

.bento-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition-med);
  backdrop-filter: blur(20px);
}

/* Corner brackets on light cards */
.bento-card::before,
.bento-card::after {
  content: '';
  position: absolute;
  width: 14px;
  height: 14px;
  border-color: var(--accent);
  border-style: solid;
  border-width: 0;
  opacity: 0;
  transition: opacity var(--transition-med);
  z-index: 3;
}

.bento-card::before {
  top: 4px;
  left: 4px;
  border-top-width: 1px;
  border-left-width: 1px;
}

.bento-card::after {
  bottom: 4px;
  right: 4px;
  border-bottom-width: 1px;
  border-right-width: 1px;
}

.bento-card:hover::before,
.bento-card:hover::after { opacity: 0.6; }

.bento-card:hover {
  border-color: rgba(185, 28, 28, 0.2);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.06);
  transform: translateY(-4px);
}

.bento-card-glow {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity var(--transition-med);
  z-index: 2;
}

.bento-card:hover .bento-card-glow { opacity: 0.6; }

.bento-large {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  min-height: 400px;
}

.bento-medium { grid-column: span 1; padding: 0; }
.bento-medium .bento-content { padding: 36px 32px; }

.bento-content { padding: 48px 40px; display: flex; flex-direction: column; justify-content: center; }

.bento-label {
  font-family: var(--font-display);
  font-size: 0.55rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 4px;
  color: var(--accent);
  margin-bottom: 16px;
}

.bento-card h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 12px;
  color: var(--text-dark);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.bento-card p {
  font-size: 0.9rem;
  color: var(--text-body);
  line-height: 1.7;
  margin-bottom: 20px;
  font-weight: 300;
}

.bento-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  transition: gap var(--transition-fast);
  margin-top: auto;
}

.bento-link:hover { gap: 14px; color: var(--accent); }

/* Code window inside bento */
.bento-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
  background: linear-gradient(135deg, #0e0e1a, #141428);
  border-left: 1px solid var(--border-light);
}

.code-window {
  width: 100%;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: #0a0a14;
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}

.code-header {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 12px 16px;
  background: rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot-red { background: #ff5f57; }
.dot-yellow { background: #ffbd2e; }
.dot-green { background: #28c840; }

.code-title {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: rgba(255,255,255,0.3);
  margin-left: 8px;
}

.code-body {
  padding: 20px 16px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 2;
}

.code-line { color: rgba(255,255,255,0.7); display: flex; gap: 12px; padding: 0 4px; border-radius: 4px; }
.code-line.code-highlight { background: rgba(185, 28, 28, 0.08); border-left: 2px solid var(--accent); }
.code-ln { color: rgba(255,255,255,0.15); min-width: 16px; text-align: right; user-select: none; }
.code-kw { color: #c792ea; }
.code-fn { color: #82aaff; }
.code-str { color: #c3e88d; }
.code-num { color: #f78c6c; }
.code-cmt { color: var(--accent); font-style: italic; }

.code-annotation {
  margin-top: 12px;
  padding: 10px 12px;
  background: rgba(185, 28, 28, 0.06);
  border: 1px solid rgba(185, 28, 28, 0.15);
  border-radius: var(--radius-sm);
  font-size: 0.68rem;
  color: rgba(255,255,255,0.5);
}

.annotation-badge {
  display: inline-block;
  padding: 2px 8px;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-display);
  font-size: 0.5rem;
  font-weight: 700;
  letter-spacing: 2px;
  margin-right: 8px;
}

/* ============================================
   PROCESS (light section)
   ============================================ */
.process { padding: var(--section-padding); background: var(--bg-light); }
.process-header { text-align: center; margin-bottom: 80px; }
.process-header .section-subtitle { margin: 0 auto; }

.process-timeline {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
}

.timeline-line {
  position: absolute;
  left: 20px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--border-light);
}

.timeline-line-fill {
  width: 100%;
  height: 0;
  background: var(--accent);
  transition: height 1.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.process-step {
  display: flex;
  gap: 40px;
  padding-bottom: 48px;
  position: relative;
}

.process-step:last-child { padding-bottom: 0; }

.step-marker {
  width: 40px;
  flex-shrink: 0;
  display: flex;
  justify-content: center;
  padding-top: 6px;
  position: relative;
  z-index: 1;
}

.step-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--bg-light);
  border: 2px solid var(--border-light);
  transition: all var(--transition-med);
}

.process-step.visible .step-dot {
  border-color: var(--accent);
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-light), 0 0 20px var(--accent-glow);
}

.step-content { flex: 1; }

.step-number {
  font-family: var(--font-display);
  font-size: 0.6rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 3px;
  margin-bottom: 8px;
}

.process-step h3 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 10px;
  color: var(--text-dark);
}

.process-step p { font-size: 0.9rem; color: var(--text-body); line-height: 1.7; font-weight: 300; }

/* ============================================
   STATS (dark section)
   ============================================ */
.stats-section {
  padding: 100px 0;
  background: var(--bg-dark);
  position: relative;
  overflow: hidden;
}

.stats-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(185, 28, 28, 0.06), transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(100, 100, 255, 0.03), transparent 50%);
  pointer-events: none;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}

.stat-card {
  text-align: center;
  padding: 32px 24px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-dark);
  transition: all var(--transition-med);
  position: relative;
}

/* Corner brackets on stat cards */
.stat-card::before,
.stat-card::after {
  content: '';
  position: absolute;
  width: 12px;
  height: 12px;
  border-color: var(--accent);
  border-style: solid;
  border-width: 0;
  opacity: 0.2;
  transition: opacity var(--transition-med);
}

.stat-card::before {
  top: 4px;
  left: 4px;
  border-top-width: 1px;
  border-left-width: 1px;
}

.stat-card::after {
  bottom: 4px;
  right: 4px;
  border-bottom-width: 1px;
  border-right-width: 1px;
}

.stat-card:hover { border-color: rgba(185, 28, 28, 0.2); background: rgba(255, 255, 255, 0.04); }
.stat-card:hover::before,
.stat-card:hover::after { opacity: 0.8; }

.stat-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 900;
  color: #fff;
  line-height: 1;
  margin-bottom: 8px;
  letter-spacing: 0.02em;
}

.stat-zero { color: var(--accent); }

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-light-muted);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 16px;
}

.stat-bar {
  width: 100%;
  height: 2px;
  background: rgba(255,255,255,0.06);
  border-radius: 2px;
  overflow: hidden;
}

.stat-bar-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  transition: width 2s cubic-bezier(0.16, 1, 0.3, 1);
  width: 0;
}

.stat-card.animated .stat-bar-fill { width: var(--fill-width, 0); }

/* ============================================
   TEAM (light section)
   ============================================ */
.team { padding: var(--section-padding); background: var(--bg-white); }
.team-header { text-align: center; margin-bottom: 64px; }
.team-header .section-subtitle { margin: 0 auto; }

.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

.team-card {
  border-radius: var(--radius);
  padding: 1px;
  background: var(--border-light);
  transition: all var(--transition-med);
  position: relative;
}

/* Corner brackets on team cards */
.team-card::before,
.team-card::after {
  content: '';
  position: absolute;
  width: 14px;
  height: 14px;
  border-color: var(--accent);
  border-style: solid;
  border-width: 0;
  opacity: 0;
  transition: opacity var(--transition-med);
  z-index: 2;
}

.team-card::before {
  top: -1px;
  left: -1px;
  border-top-width: 1px;
  border-left-width: 1px;
}

.team-card::after {
  bottom: -1px;
  right: -1px;
  border-bottom-width: 1px;
  border-right-width: 1px;
}

.team-card:hover {
  background: linear-gradient(135deg, var(--accent), #e53935);
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
}

.team-card:hover::before,
.team-card:hover::after { opacity: 1; }

.team-card-inner {
  background: var(--bg-white);
  border-radius: calc(var(--radius) - 1px);
  padding: 40px 24px;
  text-align: center;
  height: 100%;
}

.team-avatar {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.team-avatar span {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  position: relative;
  z-index: 1;
  letter-spacing: 2px;
}

.avatar-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid var(--border-light);
  transition: all var(--transition-med);
}

.team-card:hover .avatar-ring { border-color: var(--accent); background: var(--accent-light); }

.team-card h3 {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.team-role {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 14px;
}

.team-spec { font-size: 0.85rem; color: var(--text-body); line-height: 1.6; margin-bottom: 16px; font-weight: 300; }

.team-tags { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; }
.team-tags span {
  padding: 4px 10px;
  font-size: 0.55rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  border: 1px solid var(--border-light);
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* ============================================
   TESTIMONIALS (light section)
   ============================================ */
.testimonials { padding: var(--section-padding); background: var(--bg-light); }
.testimonials-header { text-align: center; margin-bottom: 64px; }
.testimonials-header .section-subtitle { margin: 0 auto; }

.testimonials-carousel { position: relative; max-width: 700px; margin: 0 auto; overflow: hidden; }
.testimonials-track { display: flex; transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1); }
.testimonial-card { min-width: 100%; padding: 0 20px; }

.testimonial-inner {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 48px 40px;
  position: relative;
}

/* Corner brackets on testimonial */
.testimonial-inner::before,
.testimonial-inner::after {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  border-color: var(--accent);
  border-style: solid;
  border-width: 0;
  opacity: 0.2;
}

.testimonial-inner::before {
  top: 8px;
  left: 8px;
  border-top-width: 1px;
  border-left-width: 1px;
}

.testimonial-inner::after {
  bottom: 8px;
  right: 8px;
  border-bottom-width: 1px;
  border-right-width: 1px;
}

.testimonial-stars { display: flex; gap: 3px; margin-bottom: 24px; }

.testimonial-text {
  font-family: var(--font-body);
  font-size: 1.1rem;
  color: var(--text-dark);
  line-height: 1.85;
  margin-bottom: 28px;
  font-weight: 500;
}

.testimonial-author { display: flex; align-items: center; gap: 14px; }

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent-light);
  border: 1px solid rgba(185, 28, 28, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 1px;
}

.testimonial-author-info h4 {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.testimonial-author-info span { font-size: 0.78rem; color: var(--text-muted); }

/* Carousel nav */
.carousel-nav { display: flex; align-items: center; justify-content: center; gap: 14px; margin-top: 36px; }

.carousel-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: 50%;
  color: var(--text-body);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.carousel-btn:hover { border-color: var(--accent); color: var(--accent); }
.carousel-btn svg { width: 16px; height: 16px; }

.carousel-dots { display: flex; gap: 8px; }

.carousel-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #ccc;
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  padding: 0;
}

.carousel-dot.active { background: var(--accent); transform: scale(1.3); }

/* ============================================
   CTA (dark section)
   ============================================ */
.cta {
  padding: 160px 0;
  background: var(--bg-dark);
  position: relative;
  overflow: hidden;
}

.cta-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.cta-content { text-align: center; max-width: 540px; margin: 0 auto; position: relative; }
.cta-content .section-eyebrow { color: rgba(255,255,255,0.4); }
.cta-content .section-eyebrow::before { color: rgba(255,255,255,0.2); }
.cta-content .section-eyebrow::after { background: linear-gradient(90deg, rgba(255,255,255,0.3), transparent); }

.cta-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--text-light);
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.cta-subtitle { font-size: 1rem; color: var(--text-light-muted); margin-bottom: 40px; line-height: 1.7; font-weight: 300; }

.cta-form { max-width: 420px; margin: 0 auto; }

.cta-input-wrap {
  display: flex;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 4px;
  transition: border-color var(--transition-fast);
}

.cta-input-wrap:focus-within { border-color: var(--accent); }

.cta-input {
  flex: 1;
  padding: 14px 24px;
  background: transparent;
  border: none;
  color: var(--text-light);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  outline: none;
}

.cta-input::placeholder { color: rgba(255,255,255,0.3); }

.cta-submit {
  width: 48px;
  height: 48px;
  background: var(--accent);
  border: none;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-med);
  flex-shrink: 0;
}

.cta-submit:hover { background: var(--accent-hover); transform: scale(1.05); }

.cta-note {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: rgba(255,255,255,0.25);
  margin-top: 16px;
  letter-spacing: 0.5px;
}

/* ============================================
   FOOTER (dark section)
   ============================================ */
.footer {
  padding: 64px 0 32px;
  background: var(--bg-darker);
  color: var(--text-light);
  border-top: 1px solid var(--border-dark);
}

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

.footer-logo .logo-research { color: var(--text-light); }
.footer-logo .logo-zero { color: var(--accent); }

.footer-tagline { font-size: 0.85rem; color: var(--text-light-muted); line-height: 1.7; margin-top: 16px; font-weight: 300; }

.footer-column h4 {
  font-family: var(--font-display);
  font-size: 0.6rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--text-light);
  margin-bottom: 20px;
}

.footer-column ul { list-style: none; }
.footer-column li { margin-bottom: 10px; }
.footer-column a { font-size: 0.85rem; color: var(--text-light-muted); transition: color var(--transition-fast); font-weight: 300; }
.footer-column a:hover { color: var(--accent); }

.footer-social { display: flex; gap: 10px; margin-top: 8px; }

.footer-social a {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-dark);
  border-radius: 50%;
  color: var(--text-light-muted);
  transition: all var(--transition-fast);
}

.footer-social a:hover { border-color: var(--accent); color: var(--accent); }
.footer-social svg { width: 15px; height: 15px; }

.footer-bottom {
  border-top: 1px solid var(--border-dark);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-bottom p {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-light-muted);
  letter-spacing: 0.5px;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .bento-large { grid-template-columns: 1fr; min-height: auto; }
  .bento-visual { border-left: none; border-top: 1px solid var(--border-light); }
  .services-bento { grid-template-columns: 1fr 1fr; }
  .bento-large { grid-column: 1 / -1; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 32px; }
  .hero-glow { width: min(70vw, 600px); height: min(70vw, 600px); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root { --section-padding: 100px 0; }

  .nav-links, .nav-right { display: none; }
  .nav-hamburger { display: flex; }

  .hero { min-height: auto; padding: 140px 0 80px; }
  .hero h1 { font-size: clamp(2rem, 9vw, 3rem); }
  .hero-glow { width: 300px; height: 300px; opacity: 0.6; }
  .hero-actions { flex-direction: column; align-items: center; }

  .capabilities-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
  .capabilities { padding: 100px 0; }

  .services-bento { grid-template-columns: 1fr; }
  .bento-large { grid-column: 1; }

  .process-timeline { padding-left: 0; }
  .timeline-line { left: 20px; }

  .stats-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .stat-number { font-size: 1.8rem; }

  .team-grid { grid-template-columns: 1fr; max-width: 360px; margin: 0 auto; }

  .testimonial-inner { padding: 32px 24px; }

  .footer-main { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 1.8rem; letter-spacing: 0.02em; }
  .hero-text { font-size: 0.95rem; }
  .container { padding: 0 20px; }
  .stat-number { font-size: 1.5rem; }
  .process-step { gap: 24px; }
  .bento-content { padding: 28px 24px; }
  .section-title { font-size: clamp(1.4rem, 5vw, 2rem); }
}