/* Chili Red Theme */
:root {
  --chili-red: #E63946;
  --chili-dark: #C1121F;
  --chili-darker: #780000;
  --chili-light: #FF6B7A;
  --chili-lighter: #FFE5E8;
  --chili-pale: #FFF5F6;

  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

body {
  font-family: var(--font-body);
  color: #1a1a1a;
  background: #ffffff;
  line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
}

/* Background Grid */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(230, 57, 70, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(230, 57, 70, 0.03) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
  z-index: -1;
}

/* Navigation */
nav {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--chili-lighter);
  z-index: 1000;
  padding: 1rem 0;
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: #1a1a1a;
}

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--chili-red), var(--chili-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: bold;
  font-family: var(--font-display);
}

.logo-text {
  font-size: 1.125rem;
  font-weight: 600;
  font-family: var(--font-display);
}

.nav-links {
  display: flex;
  gap: 0.5rem;
  list-style: none;
}

.nav-links a {
  padding: 0.5rem 1rem;
  border-radius: 8px;
  text-decoration: none;
  color: #6B7280;
  transition: all 0.3s;
}

.nav-links a:hover,
.nav-links a.active {
  background: var(--chili-lighter);
  color: var(--chili-dark);
}

/* Container */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Hero Section */
.hero {
  padding: 6rem 0 8rem;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 400px;
  background: linear-gradient(to bottom, rgba(230, 57, 70, 0.05), transparent);
  pointer-events: none;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 9999px;
  background: var(--chili-lighter);
  border: 1px solid var(--chili-light);
  color: var(--chili-dark);
  font-size: 0.875rem;
  margin-bottom: 2rem;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.gradient-text {
  background: linear-gradient(90deg, var(--chili-red), var(--chili-light), var(--chili-red));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
  margin-top: 0.5rem;
}

.hero p {
  font-size: 1.25rem;
  color: #6B7280;
  margin-bottom: 3rem;
  max-width: 48rem;
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.btn {
  padding: 1rem 2rem;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 600;
  font-family: var(--font-display);
  transition: all 0.3s;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: none;
  cursor: pointer;
}

.btn-primary {
  background: var(--chili-red);
  color: white;
}

.btn-primary:hover {
  background: var(--chili-dark);
}

.btn-secondary {
  background: var(--chili-lighter);
  color: var(--chili-dark);
  border: 1px solid var(--chili-light);
}

.btn-secondary:hover {
  background: var(--chili-red);
  color: white;
}

.btn-outline {
  background: var(--chili-pale);
  color: #1a1a1a;
  border: 1px solid var(--chili-lighter);
}

.btn-outline:hover {
  background: var(--chili-lighter);
}

/* Cards */
.card {
  background: white;
  border: 1px solid var(--chili-lighter);
  border-radius: 16px;
  padding: 2rem;
  transition: all 0.3s;
}

.card:hover {
  border-color: var(--chili-light);
  box-shadow: 0 4px 20px rgba(230, 57, 70, 0.1);
}

/* Grid */
.grid {
  display: grid;
  gap: 2rem;
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* Section */
section {
  padding: 5rem 0;
}

.section-header {
  margin-bottom: 3rem;
}

.section-header h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1rem;
}

.section-header p {
  font-size: 1.25rem;
  color: #6B7280;
}

/* Page Header */
.page-header {
  padding: 6rem 0;
  position: relative;
  border-bottom: 1px solid var(--chili-lighter);
}

.page-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 100%;
  background: linear-gradient(to bottom, rgba(230, 57, 70, 0.05), transparent);
  pointer-events: none;
  z-index: -1;
}

.page-header h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: 1.5rem;
}

.page-header p {
  font-size: 1.25rem;
  color: #6B7280;
  max-width: 48rem;
  line-height: 1.7;
}

/* Footer */
footer {
  border-top: 1px solid var(--chili-lighter);
  padding: 3rem 0;
  margin-top: 8rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 2rem;
}

footer h3, footer h4 {
  margin-bottom: 1rem;
  font-size: 1rem;
}

footer ul {
  list-style: none;
}

footer ul li {
  margin-bottom: 0.5rem;
}

footer a {
  color: #6B7280;
  text-decoration: none;
  transition: color 0.3s;
}

footer a:hover {
  color: var(--chili-red);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--chili-lighter);
  color: #6B7280;
  font-size: 0.875rem;
}

/* Metrics */
.metrics {
  border-top: 1px solid var(--chili-lighter);
  border-bottom: 1px solid var(--chili-lighter);
  padding: 5rem 0;
}

.metric-card {
  text-align: center;
  padding: 1.5rem;
  border-radius: 16px;
  background: white;
  border: 1px solid var(--chili-lighter);
  transition: all 0.3s;
}

.metric-card:hover {
  border-color: var(--chili-light);
}

.metric-icon {
  width: 2rem;
  height: 2rem;
  color: var(--chili-red);
  margin: 0 auto 1rem;
}

.metric-value {
  font-size: 2.5rem;
  font-weight: 700;
  font-family: var(--font-display);
  color: var(--chili-red);
  margin-bottom: 0.5rem;
}

.metric-label {
  font-size: 0.875rem;
  color: #6B7280;
}

/* Tag/Badge */
.tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 6px;
  font-size: 0.875rem;
  background: var(--chili-lighter);
  color: var(--chili-dark);
  margin: 0.25rem;
}

/* Work Page - Experience Items */
.experience-item {
  background: white;
  border: 1px solid var(--chili-lighter);
  border-radius: 16px;
  padding: 2rem;
  margin-bottom: 2rem;
  transition: all 0.3s;
}

.experience-item:hover {
  border-color: var(--chili-light);
  box-shadow: 0 4px 20px rgba(230, 57, 70, 0.1);
}

.exp-header {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.company-logo {
  width: 60px;
  height: 60px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--chili-lighter), var(--chili-pale));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-family: var(--font-display);
  color: var(--chili-red);
  font-size: 1.5rem;
  flex-shrink: 0;
}

.exp-details {
  flex: 1;
}

.exp-details h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.exp-meta {
  color: #6B7280;
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}

.exp-duration {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: var(--chili-lighter);
  color: var(--chili-dark);
  border-radius: 6px;
  font-size: 0.875rem;
  margin-top: 0.5rem;
}

.exp-description {
  color: #6B7280;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.exp-contributions {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--chili-lighter);
}

.exp-contributions h4 {
  font-size: 0.875rem;
  color: var(--chili-dark);
  margin-bottom: 1rem;
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.exp-contributions ul {
  list-style: none;
  padding-left: 0;
}

.exp-contributions li {
  padding-left: 1.5rem;
  position: relative;
  margin-bottom: 0.75rem;
  color: #6B7280;
  line-height: 1.7;
}

.exp-contributions li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6rem;
  width: 6px;
  height: 6px;
  background: var(--chili-red);
  border-radius: 50%;
}

.tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

/* Innovation Cards */
.innovation-card {
  background: white;
  border: 1px solid var(--chili-lighter);
  border-radius: 16px;
  padding: 2rem;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}

.innovation-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--chili-red), var(--chili-light));
}

.innovation-card:hover {
  border-color: var(--chili-light);
  box-shadow: 0 4px 20px rgba(230, 57, 70, 0.1);
  transform: translateY(-4px);
}

.innovation-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: var(--chili-lighter);
  color: var(--chili-dark);
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.innovation-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.innovation-card p {
  color: #6B7280;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.impact-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--chili-lighter);
}

.impact-metric {
  text-align: center;
}

.impact-value {
  font-size: 1.5rem;
  font-weight: 700;
  font-family: var(--font-display);
  color: var(--chili-red);
  margin-bottom: 0.25rem;
}

.impact-label {
  font-size: 0.75rem;
  color: #6B7280;
}

/* AI Projects Page */
.ai-project-card {
  background: white;
  border: 1px solid var(--chili-lighter);
  border-radius: 16px;
  padding: 2rem;
  transition: all 0.3s;
}

.ai-project-card:hover {
  border-color: var(--chili-light);
  box-shadow: 0 4px 20px rgba(230, 57, 70, 0.1);
}

.project-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.project-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--chili-lighter);
  border: 1px solid var(--chili-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.status-badge {
  padding: 0.25rem 0.75rem;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.status-badge.active {
  background: #DEF7EC;
  color: #03543F;
}

.status-badge.beta {
  background: #E1EFFE;
  color: #1E429F;
}

.status-badge.concept {
  background: var(--chili-lighter);
  color: var(--chili-dark);
}

.ai-project-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.ai-project-card p {
  color: #6B7280;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.features {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0;
}

.features li {
  padding-left: 1.5rem;
  position: relative;
  margin-bottom: 0.75rem;
  color: #6B7280;
  line-height: 1.7;
}

.features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--chili-red);
  font-weight: 700;
}

.future-card {
  background: white;
  border: 1px solid var(--chili-lighter);
  border-radius: 12px;
  padding: 1.5rem;
  transition: all 0.3s;
}

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

.future-card h4 {
  font-size: 1.125rem;
  margin-bottom: 0.75rem;
}

.future-card p {
  color: #6B7280;
  line-height: 1.7;
  font-size: 0.875rem;
}

/* Knowledge Hub Page */
.knowledge-category {
  margin-bottom: 5rem;
}

.category-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.category-icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid;
  flex-shrink: 0;
}

.knowledge-topic {
  background: white;
  border: 1px solid var(--chili-lighter);
  border-radius: 16px;
  padding: 2rem;
  margin-bottom: 1.5rem;
  transition: all 0.3s;
}

.knowledge-topic:hover {
  border-color: var(--chili-light);
  box-shadow: 0 4px 20px rgba(230, 57, 70, 0.1);
}

.knowledge-topic h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.topic-description {
  color: #6B7280;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.insights-box {
  padding: 1.5rem;
  border-radius: 12px;
  border: 1px solid;
}

.insights-label {
  font-size: 0.75rem;
  font-weight: 600;
  font-family: var(--font-display);
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

.insights-text {
  font-size: 0.875rem;
  line-height: 1.7;
  font-style: italic;
}

/* Training Page */
.video-card {
  background: white;
  border: 1px solid var(--chili-lighter);
  border-radius: 16px;
  padding: 1.5rem;
  transition: all 0.3s;
}

.video-card:hover {
  border-color: var(--chili-light);
  box-shadow: 0 4px 20px rgba(230, 57, 70, 0.1);
}

.video-thumbnail {
  aspect-ratio: 16 / 9;
  background: linear-gradient(to bottom right, var(--chili-lighter), var(--chili-pale));
  border-radius: 12px;
  border: 1px solid var(--chili-lighter);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  transition: all 0.3s;
}

.video-card:hover .video-thumbnail {
  border-color: var(--chili-light);
}

.video-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.video-card p {
  color: #6B7280;
  font-size: 0.875rem;
  line-height: 1.7;
  margin-bottom: 1rem;
}

.video-topics {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.video-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid var(--chili-lighter);
  font-size: 0.875rem;
  color: #6B7280;
}

.level-badge {
  padding: 0.25rem 0.75rem;
  background: var(--chili-lighter);
  border-radius: 6px;
  font-size: 0.75rem;
}

.guide-card {
  background: white;
  border: 1px solid var(--chili-lighter);
  border-radius: 16px;
  padding: 1.5rem;
  display: flex;
  gap: 1.5rem;
  align-items: start;
  transition: all 0.3s;
}

.guide-card:hover {
  border-color: var(--chili-light);
  box-shadow: 0 4px 20px rgba(230, 57, 70, 0.1);
}

.guide-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(255, 107, 122, 0.1);
  border: 1px solid rgba(255, 107, 122, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.guide-content {
  flex: 1;
}

.guide-content h3 {
  font-size: 1.125rem;
  margin-bottom: 0.75rem;
}

.guide-content p {
  color: #6B7280;
  font-size: 0.875rem;
  line-height: 1.7;
  margin-bottom: 1rem;
}

.guide-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.guide-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.75rem;
  color: #6B7280;
}

.format-badge {
  padding: 0.25rem 0.75rem;
  background: var(--chili-lighter);
  border-radius: 6px;
}

.download-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #FF6B7A;
  text-decoration: none;
  font-size: 0.875rem;
  transition: all 0.3s;
}

.download-link:hover {
  gap: 0.75rem;
}

.recommendation-list {
  list-style: none;
  padding: 0;
}

.recommendation-list li {
  padding-left: 1.5rem;
  position: relative;
  margin-bottom: 1rem;
  color: #6B7280;
  line-height: 1.7;
  font-size: 0.875rem;
}

.recommendation-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6rem;
  width: 6px;
  height: 6px;
  background: var(--chili-red);
  border-radius: 50%;
  flex-shrink: 0;
}

/* About Page */
.timeline {
  position: relative;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--chili-lighter);
}

.timeline-item {
  position: relative;
  margin-bottom: 3rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -2.5rem;
  top: 0.5rem;
  width: 12px;
  height: 12px;
  background: var(--chili-red);
  border-radius: 50%;
  border: 3px solid white;
  box-shadow: 0 0 0 1px var(--chili-lighter);
}

.timeline-year {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--chili-red);
  font-family: var(--font-display);
  margin-bottom: 0.5rem;
}

.timeline-content h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.timeline-content p {
  color: #6B7280;
  line-height: 1.7;
}

.expertise-chart {
  max-width: 48rem;
  margin: 0 auto;
}

.expertise-bar {
  margin-bottom: 2rem;
}

.expertise-label {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.75rem;
  font-weight: 500;
}

.expertise-progress {
  height: 12px;
  background: var(--chili-lighter);
  border-radius: 9999px;
  overflow: hidden;
}

.expertise-fill {
  height: 100%;
  border-radius: 9999px;
  transition: width 0.5s ease;
}

.value-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 1.5rem;
}

/* Contact Page */
.contact-method {
  background: white;
  border: 1px solid var(--chili-lighter);
  border-radius: 16px;
  padding: 2rem;
  text-align: center;
  text-decoration: none;
  color: inherit;
  transition: all 0.3s;
  display: block;
}

.contact-method:hover {
  border-color: var(--chili-light);
  box-shadow: 0 4px 20px rgba(230, 57, 70, 0.1);
  transform: translateY(-4px);
}

.contact-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 1.5rem;
  border-radius: 12px;
  background: var(--chili-lighter);
  border: 1px solid var(--chili-light);
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-method h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.contact-method p {
  color: #6B7280;
  margin-bottom: 0.75rem;
}

.contact-label {
  font-size: 0.875rem;
  color: #6B7280;
  font-style: italic;
}

.contact-form {
  background: white;
  border: 1px solid var(--chili-lighter);
  border-radius: 16px;
  padding: 2.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: #1a1a1a;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--chili-lighter);
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 1rem;
  transition: all 0.3s;
  background: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--chili-red);
  box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* Responsive */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .hero {
    padding: 3rem 0 4rem;
  }

  section {
    padding: 3rem 0;
  }

  .page-header {
    padding: 3rem 0;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .timeline {
    padding-left: 1.5rem;
  }

  .timeline-item::before {
    left: -2rem;
  }

  .exp-header {
    flex-direction: column;
  }

  .guide-card {
    flex-direction: column;
  }
}