/* ============================================
   ABOUTME.CSS - TIMELINE STORY DESIGN
   Complete Standalone - Warm Orange Theme
   ============================================ */

/* ============================================
   VARIABLES & RESET
   ============================================ */
:root {
  /* Warm Color Palette */
  --primary-orange: #ff6b35;
  --primary-coral: #ff8c61;
  --accent-gold: #ffd700;
  --accent-amber: #ffb84d;
  --accent-rose: #ff6b9d;
  
  /* Backgrounds */
  --bg-dark: #0a0a0a;
  --bg-card: rgba(26, 26, 26, 0.9);
  --bg-hover: rgba(40, 40, 40, 0.95);
  --bg-timeline: rgba(255, 107, 53, 0.1);
  
  /* Text */
  --text-primary: #ffffff;
  --text-secondary: #d0d0d0;
  --text-muted: #a0a0a0;
  --text-dim: #707070;
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ============================================
   SKIP LINK
   ============================================ */
.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--primary-orange);
  color: var(--bg-dark);
  padding: var(--space-sm);
  text-decoration: none;
  font-weight: 600;
  z-index: 10000;
}

.skip-link:focus {
  top: 0;
}

/* ============================================
   NAVIGATION - STANDALONE
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  z-index: 1000;
  padding: var(--space-sm) 0;
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.3rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--text-primary);
  transition: var(--transition-fast);
}

.logo-symbol {
  color: var(--primary-orange);
  font-size: 1.5rem;
}

.logo:hover .logo-symbol {
  transform: rotate(90deg);
  color: var(--accent-gold);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: var(--space-xs);
}

.nav-toggle span {
  display: block;
  width: 25px;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition-normal);
  border-radius: 2px;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: var(--space-sm);
  align-items: center;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  padding: var(--space-xs) var(--space-sm);
  border-radius: 8px;
  transition: var(--transition-fast);
  font-size: 0.95rem;
  font-weight: 500;
}

.nav-links a:hover {
  color: var(--primary-orange);
  background: rgba(255, 107, 53, 0.1);
}

.nav-links a.active {
  color: var(--primary-orange);
  background: rgba(255, 107, 53, 0.15);
}

/* ============================================
   BACK BUTTON
   ============================================ */
.back-button {
  position: fixed;
  top: 80px;
  left: var(--space-lg);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid rgba(255, 107, 53, 0.3);
  border-radius: 50px;
  color: var(--primary-orange);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transition-normal);
  backdrop-filter: blur(10px);
  z-index: 900;
}

.back-button:hover {
  background: var(--primary-orange);
  color: var(--bg-dark);
  transform: translateX(-5px);
}

/* ============================================
   CONTAINER
   ============================================ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: var(--space-2xl) var(--space-lg);
  margin-top: 60px;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(ellipse at 30% 20%, rgba(255, 107, 53, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 80%, rgba(255, 184, 77, 0.1) 0%, transparent 50%);
  animation: heroFloat 20s ease-in-out infinite;
  z-index: 0;
}

@keyframes heroFloat {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  50% {
    transform: translate(20px, -20px) scale(1.05);
  }
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-badge {
  display: inline-block;
  padding: 0.5rem 1.5rem;
  background: rgba(255, 107, 53, 0.15);
  border: 1px solid var(--primary-orange);
  border-radius: 50px;
  color: var(--primary-orange);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: var(--space-md);
}

.name-gradient {
  background: linear-gradient(135deg, var(--primary-orange), var(--accent-gold), var(--accent-rose));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
  0%, 100% {
    filter: hue-rotate(0deg);
  }
  50% {
    filter: hue-rotate(20deg);
  }
}

.hero-tagline {
  font-size: 1.3rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
  line-height: 1.8;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}

.stat {
  text-align: center;
}

.stat-value {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary-orange);
  display: block;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.hero-motto {
  display: inline-flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-lg);
  background: var(--bg-card);
  border: 1px solid rgba(255, 107, 53, 0.2);
  border-left: 4px solid var(--primary-orange);
  border-radius: 12px;
  text-align: left;
  max-width: 600px;
}

.motto-icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.hero-motto p {
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ============================================
   TIMELINE SECTION
   ============================================ */
.timeline-section {
  padding: var(--space-2xl) 0;
  position: relative;
}

.timeline-header {
  text-align: center;
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: var(--space-2xl);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
}

.header-icon {
  font-size: 3rem;
}

.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding: var(--space-lg) 0;
}

/* Timeline Line */
.timeline::before {
  content: '';
  position: absolute;
  left: 40px;
  top: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(180deg, 
    var(--primary-orange), 
    var(--primary-coral), 
    var(--accent-gold)
  );
  border-radius: 10px;
}

.timeline-item {
  position: relative;
  padding-left: 100px;
  margin-bottom: var(--space-2xl);
  opacity: 0;
  transform: translateX(-30px);
  animation: slideIn 0.6s ease-out forwards;
  animation-delay: calc(var(--item-index, 0) * 0.2s);
}

@keyframes slideIn {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.timeline-item:nth-child(1) { --item-index: 0; }
.timeline-item:nth-child(2) { --item-index: 1; }
.timeline-item:nth-child(3) { --item-index: 2; }
.timeline-item:nth-child(4) { --item-index: 3; }
.timeline-item:nth-child(5) { --item-index: 4; }

.timeline-marker {
  position: absolute;
  left: 28px;
  top: 0;
  width: 25px;
  height: 25px;
  background: var(--primary-orange);
  border: 4px solid var(--bg-dark);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(255, 107, 53, 0.3);
  z-index: 2;
}

.timeline-item.featured .timeline-marker {
  width: 35px;
  height: 35px;
  left: 23px;
  background: var(--accent-gold);
  box-shadow: 
    0 0 0 4px rgba(255, 215, 0, 0.3),
    0 0 20px rgba(255, 215, 0, 0.5);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
}

.timeline-item.current .timeline-marker {
  background: var(--accent-rose);
  box-shadow: 0 0 0 4px rgba(255, 107, 157, 0.3);
}

.timeline-item::before {
  content: attr(data-year);
  position: absolute;
  left: -60px;
  top: 0;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-dim);
  writing-mode: vertical-rl;
  text-orientation: mixed;
}

.timeline-card {
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 107, 53, 0.2);
  border-radius: 16px;
  padding: var(--space-lg);
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.timeline-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--primary-orange);
}

.timeline-item.featured .timeline-card::before {
  background: linear-gradient(180deg, var(--accent-gold), var(--primary-orange));
  width: 6px;
}

.timeline-card:hover {
  border-color: var(--primary-orange);
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(255, 107, 53, 0.3);
}

.card-icon {
  font-size: 3rem;
  margin-bottom: var(--space-sm);
  display: inline-block;
  filter: drop-shadow(0 0 10px rgba(255, 107, 53, 0.5));
}

.timeline-card h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
}

.timeline-card p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-sm);
}

.card-note {
  font-size: 0.95rem;
  color: var(--text-muted);
  font-style: italic;
}

.card-highlight,
.card-action {
  padding: var(--space-sm) var(--space-md);
  background: rgba(255, 107, 53, 0.1);
  border-left: 3px solid var(--primary-orange);
  border-radius: 8px;
  margin-top: var(--space-sm);
}

.card-quote {
  padding: var(--space-md);
  background: rgba(255, 215, 0, 0.05);
  border-left: 4px solid var(--accent-gold);
  border-radius: 8px;
  margin-top: var(--space-sm);
  font-style: italic;
  color: var(--accent-gold);
}

.card-techs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: var(--space-sm);
}

.tech {
  padding: 0.4rem 0.8rem;
  background: rgba(255, 107, 53, 0.15);
  border: 1px solid var(--primary-orange);
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary-orange);
}

/* ============================================
   TRANSFER SECTION
   ============================================ */
.transfer-section {
  padding: var(--space-2xl) 0;
  background: rgba(255, 107, 53, 0.02);
}

.section-title {
  text-align: center;
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: var(--space-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
}

.title-icon {
  font-size: 2.5rem;
}

.section-subtitle {
  text-align: center;
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: var(--space-xl);
}

.transfer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.transfer-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 107, 53, 0.2);
  border-radius: 16px;
  padding: var(--space-lg);
  transition: var(--transition-normal);
  text-align: center;
}

.transfer-card:hover {
  border-color: var(--primary-orange);
  transform: translateY(-8px);
  box-shadow: 0 15px 40px rgba(255, 107, 53, 0.2);
}

.transfer-icon {
  font-size: 3.5rem;
  margin-bottom: var(--space-sm);
  display: inline-block;
}

.transfer-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
  color: var(--primary-orange);
}

.transfer-card p {
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ============================================
   VALUES SECTION
   ============================================ */
.values-section {
  padding: var(--space-2xl) 0;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.value-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 107, 53, 0.15);
  border-radius: 12px;
  padding: var(--space-lg);
  text-align: center;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.value-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-orange), var(--accent-gold));
  transform: scaleX(0);
  transition: var(--transition-normal);
}

.value-card:hover::before {
  transform: scaleX(1);
}

.value-card:hover {
  border-color: var(--primary-orange);
  transform: translateY(-5px);
}

.value-icon {
  font-size: 3rem;
  display: block;
  margin-bottom: var(--space-sm);
}

.value-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
}

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

/* ============================================
   FOCUS SECTION
   ============================================ */
.focus-section {
  padding: var(--space-2xl) 0;
  background: rgba(255, 107, 53, 0.02);
}

.focus-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.focus-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 107, 53, 0.2);
  border-radius: 16px;
  padding: var(--space-lg);
  transition: var(--transition-normal);
}

.focus-card.featured {
  border-color: var(--primary-orange);
  background: linear-gradient(135deg, rgba(255, 107, 53, 0.05), rgba(255, 184, 77, 0.05));
}

.focus-card:hover {
  border-color: var(--primary-orange);
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(255, 107, 53, 0.3);
}

.focus-icon {
  font-size: 3rem;
  margin-bottom: var(--space-sm);
  display: block;
}

.focus-card h3 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
}

.focus-card p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.progress-bar {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  overflow: hidden;
  position: relative;
}

.progress-fill {
  height: 100%;
  width: var(--progress, 0);
  background: linear-gradient(90deg, var(--primary-orange), var(--accent-gold));
  border-radius: 10px;
  transition: width 1.5s ease-out;
  animation: fillProgress 1.5s ease-out;
}

@keyframes fillProgress {
  from {
    width: 0;
  }
  to {
    width: var(--progress);
  }
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
  padding: var(--space-2xl) 0;
  text-align: center;
}

.cta-content {
  max-width: 700px;
  margin: 0 auto;
  padding: var(--space-2xl);
  background: linear-gradient(135deg, rgba(255, 107, 53, 0.1), rgba(255, 184, 77, 0.05));
  border: 1px solid var(--primary-orange);
  border-radius: 20px;
}

.cta-content h2 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: var(--space-sm);
}

.cta-content p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  border-radius: 50px;
  font-weight: 700;
  text-decoration: none;
  transition: var(--transition-normal);
  min-height: 50px;
}

.btn-primary {
  background: var(--primary-orange);
  color: var(--bg-dark);
}

.btn-primary:hover {
  background: var(--accent-gold);
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(255, 107, 53, 0.4);
}

.btn-arrow {
  transition: var(--transition-fast);
}

.btn-primary:hover .btn-arrow {
  transform: translateX(5px);
}

.btn-secondary {
  background: transparent;
  color: var(--primary-orange);
  border: 2px solid var(--primary-orange);
}

.btn-secondary:hover {
  background: var(--primary-orange);
  color: var(--bg-dark);
  transform: translateY(-3px);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: rgba(255, 255, 255, 0.02);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: var(--space-xl) 0 var(--space-lg);
  margin-top: var(--space-2xl);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.footer-brand {
  text-align: center;
}

.footer-logo {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  justify-content: center;
}

.footer-brand p {
  color: var(--text-dim);
}

.footer-links {
  display: flex;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition-fast);
  font-weight: 500;
}

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

.footer-bottom {
  text-align: center;
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--text-dim);
  font-size: 0.9rem;
}

/* ============================================
   RESPONSIVE - MOBILE
   ============================================ */
@media (max-width: 768px) {
  /* Navigation */
  .nav-toggle {
    display: flex;
  }
  
  .nav-links {
    position: fixed;
    top: 60px;
    left: 0;
    width: 100%;
    height: calc(100vh - 60px);
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: var(--space-lg);
    transform: translateX(-100%);
    transition: var(--transition-normal);
  }
  
  .nav-links.active {
    transform: translateX(0);
  }
  
  .nav-links a {
    width: 100%;
    padding: var(--space-sm) var(--space-lg);
    font-size: 1.1rem;
  }
  
  /* Back Button */
  .back-button {
    top: 70px;
    left: var(--space-sm);
    font-size: 0.85rem;
    padding: 0.6rem 1rem;
  }
  
  /* Hero */
  .hero {
    padding: var(--space-xl) var(--space-md);
    min-height: 85vh;
  }
  
  .hero-stats {
    flex-direction: column;
    gap: var(--space-md);
  }
  
  /* Timeline */
  .timeline::before {
    left: 20px;
  }
  
  .timeline-item {
    padding-left: 60px;
  }
  
  .timeline-marker {
    left: 13px;
  }
  
  .timeline-item.featured .timeline-marker {
    left: 8px;
  }
  
  .timeline-item::before {
    left: -35px;
    font-size: 0.7rem;
  }
  
  /* CTA */
  .cta-buttons {
    flex-direction: column;
  }
  
  .btn-primary,
  .btn-secondary {
    width: 100%;
    justify-content: center;
  }
  
  /* Footer */
  .footer-content {
    flex-direction: column;
    text-align: center;
  }
  
  .footer-links {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-sm);
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .transfer-grid,
  .values-grid,
  .focus-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   ACCESSIBILITY & PERFORMANCE
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

:focus-visible {
  outline: 2px solid var(--primary-orange);
  outline-offset: 3px;
}