/* CSS Reset and Variables */
:root {
  /* Dark, Codex-style palette built around the BLESC brand blue */
  --hue: 206;
  --accent: hsl(var(--hue), 90%, 68%);
  --accent-hover: hsl(var(--hue), 90%, 76%);
  --accent-bg: hsla(var(--hue), 90%, 68%, 0.1);
  --accent-border: hsla(var(--hue), 90%, 68%, 0.35);

  --bg-primary: #0a0a0c;
  --bg-elevated: #131316;
  --bg-elevated-hover: #1a1a1e;

  --text-primary: #f5f5f7;
  --text-secondary: rgba(245, 245, 247, 0.82);
  --text-tertiary: rgba(245, 245, 247, 0.66);
  --text-muted: rgba(245, 245, 247, 0.62);

  --border-strong: rgba(255, 255, 255, 0.18);
  --border-subtle: rgba(255, 255, 255, 0.09);

  /* Animation Easings */
  --ease-expo-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-expo-in-out: cubic-bezier(0.87, 0, 0.13, 1);
  --ease-natural-bloom: cubic-bezier(0.76, 0, 0.1, 1);

  /* Spacing */
  --section-padding: 120px;
  --content-width: 1100px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', 'Helvetica Neue', Helvetica, 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.8;
  letter-spacing: 0.03em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

body.is-locked {
  overflow: hidden;
  height: 100vh;
}

/* Intro Overlay Styling */
#intro-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: var(--accent);
  z-index: 10000;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  pointer-events: all;
  transition: opacity 0.8s var(--ease-expo-out), visibility 0.8s var(--ease-expo-out);
}

#intro-white-curtain {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--bg-primary);
  opacity: 0;
  z-index: 10001;
  transition: opacity 0.8s var(--ease-natural-bloom);
}

#intro-flower-container {
  position: relative;
  z-index: 10002;
  width: 160px;
  height: 160px;
  display: flex;
  justify-content: center;
  align-items: center;
}

#intro-flower {
  width: 100%;
  height: auto;
  /* CSS Filter to make the blue logo pure white */
  filter: brightness(0) invert(1);
  transform: scale(0) rotate(-45deg);
  transform-origin: center;
}

#intro-logo-container {
  position: absolute;
  z-index: 10003;
  opacity: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: opacity 0.8s var(--ease-expo-out);
}

#intro-wordmark {
  width: 320px;
  height: auto;
  filter: brightness(0) invert(1);
}

/* Intro Active State Animations */
#intro-overlay.anim-bloom #intro-flower {
  animation: bloom-motion 1.3s var(--ease-natural-bloom) forwards;
}

#intro-overlay.anim-bloom #intro-white-curtain {
  opacity: 1;
}

#intro-overlay.anim-logo #intro-logo-container {
  opacity: 1;
}

#intro-overlay.anim-logo-fade #intro-logo-container {
  opacity: 0;
}

#intro-overlay.anim-fade-out {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

@keyframes bloom-motion {
  0% {
    transform: scale(0) rotate(-45deg);
  }
  30% {
    transform: scale(1.2) rotate(15deg);
  }
  100% {
    transform: scale(45) rotate(90deg);
  }
}

/* Typography & General Classes */
h1, h2, h3, h4 {
  font-family: 'Inter', 'Helvetica Neue', 'Noto Sans JP', sans-serif;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

h1 {
  font-size: clamp(32px, 4vw, 56px);
  line-height: 1.15;
}

h2 {
  font-size: clamp(24px, 2.6vw, 32px);
  line-height: 1.3;
}

h3 {
  font-size: 22px;
}

p {
  color: var(--text-muted); /* Default paragraph text color is lighter */
}

/* Strict Text Emphasis Rule */
p strong {
  color: var(--text-primary);
  font-weight: 700;
}

.section-container {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 40px;
}

.section-title {
  font-size: 14px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-primary);
  position: relative;
  margin-bottom: 60px;
  display: inline-block;
}

.section-title::after {
  content: '';
  display: block;
  width: 40px;
  height: 2px;
  background-color: var(--accent);
  margin-top: 12px;
}

.text-lead {
  font-size: 20px;
  line-height: 1.8;
  font-weight: 400;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.text-body {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-muted);
  margin-bottom: 20px;
}

/* Buttons and Clickable Elements */
.btn-solid,
.btn-outline {
  white-space: nowrap;
}

.btn-solid {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background-color: var(--accent);
  color: var(--bg-primary);
  font-weight: 600;
  text-decoration: none;
  font-size: 14px;
  padding: 12px 28px;
  border-radius: 999px;
  transition: background-color 0.3s var(--ease-expo-out), transform 0.2s var(--ease-expo-out), box-shadow 0.3s var(--ease-expo-out);
}

.btn-solid:hover {
  background-color: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 0 24px hsla(var(--hue), 90%, 68%, 0.45);
}

.btn-solid:active {
  transform: translateY(0);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background-color: transparent;
  color: var(--text-primary);
  font-weight: 600;
  text-decoration: none;
  font-size: 14px;
  padding: 11px 28px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  transition: background-color 0.3s var(--ease-expo-out), color 0.3s var(--ease-expo-out), border-color 0.3s var(--ease-expo-out), transform 0.2s var(--ease-expo-out);
}

.btn-outline:hover {
  background-color: var(--bg-elevated-hover);
  border-color: var(--text-primary);
  color: var(--text-primary);
  transform: translateY(-1px);
}

.btn-outline:active {
  transform: translateY(0);
}

.btn-large {
  padding: 16px 36px;
  font-size: 16px;
}

/* Header & Navigation */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 80px;
  background-color: rgba(10, 10, 12, 0.4);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 100;
  border-bottom: 1px solid transparent;
  display: flex;
  align-items: center;
  transition: background-color 0.4s var(--ease-expo-out), border-color 0.4s var(--ease-expo-out);
}

header.header-scrolled {
  background-color: rgba(10, 10, 12, 0.75);
  border-bottom: 1px solid var(--border-subtle);
}

.header-inner {
  width: 100%;
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-flower-icon {
  height: 28px;
  width: auto;
}

.header-wordmark {
  height: 16px;
  width: auto;
  filter: brightness(0) invert(1);
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-desktop a {
  text-decoration: none;
  font-size: 14px;
  color: var(--text-tertiary);
  font-weight: 700;
  transition: color 0.3s var(--ease-expo-out);
}

.nav-desktop a:hover {
  color: var(--text-primary);
}

.header-ctas {
  display: flex;
  align-items: center;
  gap: 12px;
}

.menu-trigger {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
}

/* Mobile Nav Overlay */
#mobile-nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: var(--bg-primary);
  z-index: 999;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s var(--ease-expo-out), visibility 0.4s var(--ease-expo-out);
}

#mobile-nav-overlay.is-active {
  opacity: 1;
  visibility: visible;
}

.menu-close {
  position: absolute;
  top: 24px;
  right: 40px;
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
}

.menu-close span, .menu-trigger span {
  font-size: 32px;
}

.nav-mobile {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
}

.nav-mobile a {
  text-decoration: none;
  font-size: 24px;
  color: var(--text-tertiary);
  font-weight: 700;
  transition: color 0.3s var(--ease-expo-out);
}

.nav-mobile a:hover {
  color: var(--text-primary);
}

.mobile-ctas {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 40px;
  width: 240px;
}

/* Hero Section */
#hero {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 80px;
  position: relative;
  background-color: var(--bg-primary);
  overflow: hidden;
}

#hero::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 1100px;
  height: 1100px;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, hsla(var(--hue), 90%, 68%, 0.16) 0%, hsla(var(--hue), 90%, 68%, 0) 65%);
  pointer-events: none;
  z-index: 0;
}

#hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border-subtle) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-subtle) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 60% 50% at 50% 40%, black 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 60% 50% at 50% 40%, black 0%, transparent 75%);
  opacity: 0.6;
  pointer-events: none;
  z-index: 0;
}

.hero-inner {
  text-align: center;
  max-width: 900px;
  padding: 0 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-flower-wrapper {
  width: 72px;
  height: 72px;
  margin-bottom: 32px;
  filter: drop-shadow(0 0 24px hsla(var(--hue), 90%, 68%, 0.5));
}

.hero-flower {
  width: 100%;
  height: auto;
}

.hero-title {
  font-family: 'Inter', 'Helvetica Neue', 'Noto Sans JP', sans-serif;
  font-size: clamp(40px, 6vw, 76px);
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 28px;
  font-weight: 600;
}

.hero-subtitle {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text-tertiary);
  margin-bottom: 48px;
}

.hero-subtitle::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  margin-right: 10px;
  vertical-align: middle;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  margin-bottom: 60px;
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 40px;
  color: var(--text-muted);
  animation: bounce 2s infinite;
  z-index: 1;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-8px);
  }
  60% {
    transform: translateY(-4px);
  }
}

/* Reality Section */
#reality {
  padding: var(--section-padding) 0;
  border-bottom: 1px solid var(--border-subtle);
}

.reality-highlight {
  margin-bottom: 64px;
}

/* Grid on the same surface (NO cards) */
.reality-stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  margin-bottom: 64px;
}

.stat-item {
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 32px;
  transition: border-color 0.3s var(--ease-expo-out), transform 0.3s var(--ease-expo-out);
}

.stat-item:hover {
  border-color: var(--border-strong);
  transform: translateY(-4px);
}

.stat-number {
  display: block;
  font-size: 40px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 12px;
}

.stat-text {
  font-size: 16px;
  line-height: 1.8;
}

.limits-divider {
  height: 1px;
  background-color: var(--border-subtle);
  margin: 80px 0;
}

.subsection-title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 48px;
}

/* Limits layout on the surface (NO cards, plain grid) */
.limits-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 40px;
}

.limit-item {
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 28px;
  transition: border-color 0.3s var(--ease-expo-out), transform 0.3s var(--ease-expo-out);
}

.limit-item:hover {
  border-color: var(--accent-border);
  transform: translateY(-4px);
}

.limit-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
}

.limit-desc {
  font-size: 15px;
  line-height: 1.7;
}

/* How It Works Section */
#how-it-works {
  padding: var(--section-padding) 0;
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-subtle);
}

.how-text-block {
  max-width: 800px;
  margin-bottom: 64px;
}

/* Pipeline Flow styling (NO cards, clean surface flow) */
.pipeline-container {
  position: relative;
  width: 100%;
  margin: 60px 0;
  padding: 40px 0;
}

.pipeline-line {
  position: absolute;
  top: 60px;
  left: 80px;
  right: 80px;
  height: 2px;
  background-color: var(--border-strong);
  z-index: 1;
}

.pipeline-flow-dot {
  position: absolute;
  top: -2px;
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: pipeline-flow 5s infinite linear;
}

@keyframes pipeline-flow {
  0% { left: 0%; opacity: 0; }
  5% { opacity: 1; }
  95% { opacity: 1; }
  100% { left: 100%; opacity: 0; }
}

.pipeline-steps {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  width: 100%;
  position: relative;
  z-index: 2;
}

.pipeline-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 160px;
  text-align: center;
}

.pipeline-node {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  transition: border-color 0.3s var(--ease-expo-out), box-shadow 0.3s var(--ease-expo-out);
}

.pipeline-step:hover .pipeline-node {
  border-color: var(--accent);
  box-shadow: 0 0 20px hsla(var(--hue), 90%, 68%, 0.35);
}

.pipeline-node span {
  font-size: 20px;
  color: var(--text-primary);
}

.pipeline-label {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.pipeline-sublabel {
  font-size: 12px;
  color: var(--text-muted);
}

.pipeline-connector {
  flex: 1;
  padding: 10px;
  text-align: center;
  margin-top: 10px;
}

.pipeline-connector-text {
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  background-color: var(--bg-primary);
  padding: 4px 12px;
  border: 1px solid var(--accent);
  border-radius: 20px;
  display: inline-block;
}

/* Why Blesc Section */
#why-blesc {
  padding: var(--section-padding) 0;
  border-bottom: 1px solid var(--border-subtle);
}

/* Grid on surface (NO cards) */
.benefits-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 80px;
  row-gap: 60px;
}

.benefit-item {
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 32px;
  transition: border-color 0.3s var(--ease-expo-out), transform 0.3s var(--ease-expo-out);
}

.benefit-item:hover {
  border-color: var(--border-strong);
  transform: translateY(-4px);
}

.benefit-header {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 16px;
}

.benefit-num {
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  font-family: monospace;
}

.benefit-title {
  font-size: 20px;
  font-weight: 700;
}

.benefit-text {
  font-size: 15px;
  line-height: 1.7;
}

/* Technology Section */
#technology {
  padding: var(--section-padding) 0;
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-subtle);
}

.tech-intro {
  max-width: 800px;
  margin-bottom: 64px;
}

/* Ontology Knowledge Graph styling on surface */
.ontology-diagram-wrapper {
  margin-top: 80px;
}

.diagram-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-tertiary);
  margin-bottom: 40px;
  text-align: center;
}

.ontology-flow {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
}

.ontology-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 24px;
  width: 200px;
  border: 1px solid var(--border-strong);
  border-radius: 16px;
  background-color: var(--bg-elevated);
}

.ontology-node span.material-symbols-outlined {
  font-size: 32px;
}

.ontology-node .node-label {
  font-size: 15px;
  font-weight: 700;
}

.ontology-arrow {
  display: flex;
  flex-direction: column;
  align-items: center;
  color: var(--text-muted);
  gap: 4px;
}

.ontology-arrow span {
  font-size: 24px;
}

.arrow-label {
  font-size: 12px;
  font-weight: 700;
}

/* Sequence scanner pulse animations */
@keyframes pulse-sleep {
  0%, 100% { border-color: var(--text-primary); color: var(--text-primary); }
  10%, 30% { border-color: var(--accent); color: var(--accent); }
}

@keyframes pulse-cognitive {
  0%, 100% { border-color: var(--text-primary); color: var(--text-primary); }
  30%, 50% { border-color: var(--accent); color: var(--accent); }
}

@keyframes pulse-depress {
  0%, 100% { border-color: var(--text-primary); color: var(--text-primary); }
  50%, 70% { border-color: var(--accent); color: var(--accent); }
}

#node-sleep {
  animation: pulse-sleep 6s infinite;
}

#node-cognitive {
  animation: pulse-cognitive 6s infinite;
}

#node-depress {
  animation: pulse-depress 6s infinite;
}

/* Philosophy Section */
#philosophy {
  padding: var(--section-padding) 0;
  border-bottom: 1px solid var(--border-subtle);
}

.philosophy-content {
  max-width: 900px;
}

.philosophy-lead {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--text-primary);
  margin-bottom: 48px;
}

.philosophy-story {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.philosophy-story .text-body {
  font-size: 18px;
  line-height: 1.8;
  margin-bottom: 0;
}

/* Team Section (NO cards, plain text on same surface) */
#team {
  padding: var(--section-padding) 0;
  border-bottom: 1px solid var(--border-subtle);
}

.team-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  column-gap: 60px;
  row-gap: 48px;
}

.team-member {
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  transition: border-color 0.3s var(--ease-expo-out), transform 0.3s var(--ease-expo-out);
}

.team-member:hover {
  border-color: var(--border-strong);
  transform: translateY(-4px);
}

.member-role {
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 8px;
  text-transform: uppercase;
}

.member-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.member-en {
  font-size: 13px;
  color: var(--text-muted);
  font-family: sans-serif;
}

/* Team placeholder slots (to be filled with real members) */
.team-placeholder {
  border-style: dashed;
  border-color: var(--border-strong);
}

.team-placeholder .member-role,
.team-placeholder .member-name,
.team-placeholder .member-en {
  color: var(--text-muted);
  opacity: 0.65;
}

.team-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--bg-elevated-hover);
  border: 1px solid var(--border-subtle);
  margin-bottom: 16px;
}

.team-avatar .material-symbols-outlined {
  font-size: 24px;
  color: var(--text-muted);
}

/* Contact CTA Section */
#contact {
  padding: var(--section-padding) 0;
  text-align: center;
}

#contact .section-container {
  position: relative;
  overflow: hidden;
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 32px;
  padding: 96px 40px;
  max-width: calc(var(--content-width) - 80px);
}

#contact .section-container::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 900px;
  height: 900px;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, hsla(var(--hue), 90%, 68%, 0.14) 0%, hsla(var(--hue), 90%, 68%, 0) 65%);
  pointer-events: none;
}

#contact .section-title,
#contact .contact-desc,
#contact .contact-ctas {
  position: relative;
  z-index: 1;
}

.contact-desc {
  max-width: 700px;
  margin: 0 auto 40px auto;
  font-size: 16px;
}

.contact-ctas {
  display: flex;
  justify-content: center;
  gap: 16px;
}

/* Footer */
footer {
  background-color: var(--bg-primary);
  padding: 64px 0 48px;
  border-top: 1px solid var(--border-subtle);
}

.footer-inner {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer-logo {
  margin-bottom: 0;
}

.footer-wordmark-img {
  height: 28px;
  width: auto;
  filter: brightness(0) invert(1);
}

.footer-links {
  display: flex;
  gap: 24px;
  margin-bottom: 0;
}

.footer-links a {
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
  color: var(--text-tertiary);
  transition: color 0.3s var(--ease-expo-out);
}

.footer-links a:hover {
  color: var(--text-primary);
}

.footer-copyright {
  font-size: 13px;
  color: var(--text-muted);
  width: 100%;
  border-top: 1px solid var(--border-subtle);
  padding-top: 24px;
  margin-top: 16px;
}

/* Accessibility: respect reduced-motion preferences */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Product Showcase Section */
#product {
  padding: var(--section-padding) 0;
  border-bottom: 1px solid var(--border-subtle);
}

.product-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 64px;
}

.product-panel {
  display: flex;
  flex-direction: column;
}

.product-panel-tag {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.product-caption {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 16px;
}

/* Student chat mockup */
.mock-chat {
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 360px;
}

.mock-chat-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-subtle);
}

.mock-chat-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}

.mock-chat-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-secondary);
}

.mock-chat-body {
  flex: 1;
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.bubble {
  max-width: 80%;
  padding: 10px 14px;
  border-radius: 16px;
  font-size: 14px;
  line-height: 1.5;
}

.bubble-ai {
  align-self: flex-start;
  background-color: var(--bg-elevated-hover);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  border-bottom-left-radius: 4px;
}

.bubble-me {
  align-self: flex-end;
  background-color: var(--accent);
  color: var(--bg-primary);
  font-weight: 600;
  border-bottom-right-radius: 4px;
}

.bubble-typing {
  align-self: flex-start;
  display: flex;
  gap: 4px;
  padding: 14px;
}

.bubble-typing span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--text-muted);
  animation: typing-blink 1.4s infinite;
}

.bubble-typing span:nth-child(2) { animation-delay: 0.2s; }
.bubble-typing span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing-blink {
  0%, 60%, 100% { opacity: 0.25; transform: translateY(0); }
  30% { opacity: 1; transform: translateY(-2px); }
}

.mock-chat-input {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  border-top: 1px solid var(--border-subtle);
  font-size: 13px;
  color: var(--text-muted);
}

.mock-chat-input .material-symbols-outlined {
  font-size: 18px;
  color: var(--accent);
}

/* Teacher report mockup */
.mock-report {
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 20px;
  min-height: 360px;
  display: flex;
  flex-direction: column;
}

.mock-report-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 8px;
}

.mock-report-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
}

.mock-report-badge {
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  background-color: var(--accent-bg);
  border: 1px solid var(--accent-border);
  border-radius: 999px;
  padding: 4px 12px;
}

.mock-report-list {
  list-style: none;
  flex: 1;
}

.mock-report-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 4px;
  border-bottom: 1px solid var(--border-subtle);
}

.mock-report-id {
  font-size: 13px;
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
  min-width: 92px;
}

.risk-meter {
  flex: 1;
  height: 6px;
  border-radius: 999px;
  background-color: var(--bg-elevated-hover);
  overflow: hidden;
}

.risk-fill {
  display: block;
  height: 100%;
  border-radius: 999px;
  background-color: var(--accent);
}

.risk-high { width: 90%; opacity: 1; }
.risk-mid { width: 55%; opacity: 0.6; }
.risk-low { width: 25%; opacity: 0.35; }

.risk-label {
  font-size: 12px;
  font-weight: 700;
  min-width: 20px;
  text-align: right;
}

.risk-label-high { color: var(--accent); }
.risk-label-mid { color: var(--text-tertiary); }
.risk-label-low { color: var(--text-muted); }

.mock-report-note {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-size: 12px;
  color: var(--text-muted);
}

.mock-report-note .material-symbols-outlined {
  font-size: 16px;
}

/* Process / Steps Section */
#process {
  padding: var(--section-padding) 0;
  border-bottom: 1px solid var(--border-subtle);
}

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

.process-step {
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 28px;
  transition: border-color 0.3s var(--ease-expo-out), transform 0.3s var(--ease-expo-out);
}

.process-step:hover {
  border-color: var(--border-strong);
  transform: translateY(-4px);
}

.process-num {
  font-size: 13px;
  font-weight: 700;
  font-family: monospace;
  color: var(--accent);
  display: block;
  margin-bottom: 16px;
}

.process-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
}

.process-text {
  font-size: 14px;
  line-height: 1.7;
}

/* Contact Form */
.contact-form {
  position: relative;
  z-index: 1;
  max-width: 620px;
  margin: 0 auto;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

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

.form-field label {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-secondary);
}

.form-field .req {
  color: var(--accent);
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  padding: 12px 14px;
  font: inherit;
  font-size: 15px;
  color: var(--text-primary);
  transition: border-color 0.2s var(--ease-expo-out), box-shadow 0.2s var(--ease-expo-out);
}

.form-field textarea {
  resize: vertical;
  min-height: 96px;
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: var(--text-muted);
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-bg);
}

.form-field select {
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
}

.form-submit {
  align-self: flex-start;
  margin-top: 8px;
  border: none;
  cursor: pointer;
}

.contact-fallback {
  position: relative;
  z-index: 1;
  margin-top: 24px;
  font-size: 14px;
  color: var(--text-muted);
}

.contact-fallback a {
  color: var(--accent);
  text-decoration: none;
}

.contact-fallback a:hover {
  text-decoration: underline;
}

/* Responsive Design Rules */
@media (max-width: 992px) {
  :root {
    --section-padding: 100px;
  }
  
  h1 {
    font-size: 40px;
  }
  
  .limits-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .team-grid {
    grid-template-columns: 1fr 1fr;
    column-gap: 40px;
  }

  .process-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  header {
    height: 70px;
  }
  
  .nav-desktop, .header-ctas {
    display: none;
  }
  
  .menu-trigger {
    display: block;
  }

  .hero-ctas {
    flex-direction: column;
    width: 100%;
    max-width: 320px;
  }

  .hero-ctas a {
    width: 100%;
    white-space: nowrap;
  }

  .hero-title {
    font-size: 32px;
  }
  
  .hero-subtitle {
    font-size: 18px;
  }
  
  .reality-stats-grid, .benefits-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .pipeline-line {
    display: none;
  }
  
  .pipeline-steps {
    flex-direction: column;
    align-items: center;
    gap: 32px;
  }
  
  .pipeline-connector {
    margin: 8px 0;
  }
  
  .ontology-flow {
    flex-direction: column;
    gap: 20px;
  }
  
  .ontology-arrow {
    transform: rotate(90deg);
    margin: 10px 0;
  }
  
  .team-grid {
    grid-template-columns: 1fr;
    row-gap: 36px;
  }

  .product-showcase {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .process-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .form-submit {
    align-self: stretch;
    width: 100%;
  }

  #contact .section-container {
    padding: 56px 24px;
    border-radius: 24px;
  }
  
  .footer-inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
  }
}