:root {
    --solar-gold: #E8A917;
    --solar-amber: #F5C842;
    --deep-navy: #0A1628;
    --mid-navy: #112240;
    --slate: #1B3A5C;
    --light-blue: #A8C4E0;
    --off-white: #F4F1EC;
    --warm-white: #FDFCF9;
    --text-primary: #0A1628;
    --text-secondary: #4A6480;
    --accent-glow: rgba(232, 169, 23, 0.15);
  }

  * { margin: 0; padding: 0; box-sizing: border-box; }
  html { scroll-behavior: smooth; }

  body {
    font-family:'Plus Jakarta Sans',sans-serif;
    background: var(--warm-white);
    color: var(--text-primary);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
  }
  
  
  /* ─── HERO ─── */
  .hero {
    position: relative;
    min-height: 70vh;
    display: flex;
    align-items: center;
    background: var(--deep-navy);
    overflow: hidden;
  }
  .hero-bg {
    position: absolute;
    inset: 0;
    background:
      radial-gradient(ellipse 70% 50% at 30% 50%, rgba(232, 169, 23, 0.1), transparent),
      radial-gradient(ellipse 60% 70% at 80% 70%, rgba(27, 58, 92, 0.5), transparent),
      linear-gradient(160deg, #0A1628 0%, #112240 40%, #1B3A5C 100%);
  }
  .hero-grid-lines {
    position: absolute;
    inset: 0;
    background-image:
      linear-gradient(rgba(168, 196, 224, 0.04) 1px, transparent 1px),
      linear-gradient(90deg, rgba(168, 196, 224, 0.04) 1px, transparent 1px);
    background-size: 80px 80px;
  }

  /* Animated timeline line in hero */
  .hero-timeline-line {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, transparent, rgba(232, 169, 23, 0.3) 30%, rgba(232, 169, 23, 0.3) 70%, transparent);
  }
  .hero-timeline-dot {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--solar-gold);
    box-shadow: 0 0 20px rgba(232, 169, 23, 0.5);
    animation: pulseDot 3s ease-in-out infinite;
  }
  .hero-timeline-dot:nth-child(2) { top: 20%; animation-delay: 0s; }
  .hero-timeline-dot:nth-child(3) { top: 40%; animation-delay: 0.8s; }
  .hero-timeline-dot:nth-child(4) { top: 60%; animation-delay: 1.6s; }
  .hero-timeline-dot:nth-child(5) { top: 80%; animation-delay: 2.4s; }

  @keyframes pulseDot {
    0%, 100% { opacity: 0.3; transform: translateX(-50%) scale(1); }
    50% { opacity: 1; transform: translateX(-50%) scale(1.5); }
  }

  .hero-content {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 3rem 4rem;
    width: 100%;
  }
  .hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.1rem;
    border: 1px solid rgba(232, 169, 23, 0.3);
    border-radius: 100px;
    color: var(--solar-amber);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 2rem;
    opacity: 0;
    animation: fadeUp 0.8s 0.3s forwards;
  }
  .hero-tag .dot {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--solar-gold);
    animation: blink 2s infinite;
  }
  @keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
  }
  .hero h1 {
    font-family:'Plus Jakarta Sans',sans-serif;
    font-size:clamp(2.2rem,4.5vw,3.6rem);
    font-weight:800;line-height:1.12;
    letter-spacing:-.03em;
    color: var(--off-white);
    max-width:1200px;
    opacity: 0;
    animation: fadeUp 0.8s 0.5s forwards;
  }
  .hero h1 .gold { color: var(--solar-gold); }
  .hero-subtitle {
    font-size: 1.15rem;
    color: var(--light-blue);
    margin-top: 1.75rem;
    width: 100%;
    line-height: 1.7;
    opacity: 0;
    animation: fadeUp 0.8s 0.7s forwards;
  }

  /* Stats bar */
  .hero-stats {
    display: flex;
    gap: 3rem;
    margin-top: 3.5rem;
    opacity: 0;
    animation: fadeUp 0.8s 0.9s forwards;
  }
  .hero-stat {
    border-left: 2px solid rgba(232, 169, 23, 0.4);
    padding-left: 1.25rem;
  }
  .hero-stat .number {
    font-family:'Plus Jakarta Sans',sans-serif;
    font-size: 2.5rem;
    color: var(--solar-gold);
    line-height: 1;
  }
  .hero-stat .label {
    font-size: 0.82rem;
    color: var(--light-blue);
    margin-top: 0.35rem;
    font-weight: 500;
    letter-spacing: 0.03em;
  }

  .hero-scroll {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--light-blue);
    font-size: 0.72rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    opacity: 0;
    animation: fadeUp 0.8s 1.1s forwards;
  }
  .hero-scroll .line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--solar-gold), transparent);
    animation: scrollLine 2s ease-in-out infinite;
  }
  @keyframes scrollLine {
    0% { transform: scaleY(0); transform-origin: top; }
    50% { transform: scaleY(1); transform-origin: top; }
    51% { transform: scaleY(1); transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; }
  }
  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
  }

  /* ─── TIMELINE SECTION ─── */
  .timeline-section {
    position: relative;
    padding: 6rem 3rem 8rem;
    max-width: 1100px;
    margin: 0 auto;
  }
  .timeline-section-header {
    text-align: center;
    margin-bottom: 5rem;
  }
  .timeline-section-header .overline {
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--solar-gold);
    margin-bottom: 0.75rem;
  }
  .timeline-section-header h2 {
    font-family:'Plus Jakarta Sans',sans-serif;
    font-size: clamp(2rem, 3.5vw, 2.8rem);
    color: var(--text-primary);
    letter-spacing: -0.02em;
  }

  /* The vertical spine */
  .timeline {
    position: relative;
    padding: 0;
  }
  .timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom,
      var(--solar-gold),
      rgba(10, 22, 40, 0.12) 15%,
      rgba(10, 22, 40, 0.12) 85%,
      transparent
    );
    transform: translateX(-50%);
  }

  /* Each event */
  .tl-event {
    position: relative;
    display: flex;
    align-items: flex-start;
    margin-bottom: 4rem;
  }
  .tl-event:last-child { margin-bottom: 0; }

  /* Alternating sides */
  .tl-event.left .tl-content {
    width: 45%;
    margin-right: auto;
    text-align: right;
    padding-right: 3.5rem;
  }
  .tl-event.right .tl-content {
    width: 45%;
    margin-left: auto;
    text-align: left;
    padding-left: 3.5rem;
  }

  /* Center dot */
  .tl-dot {
    position: absolute;
    left: 50%;
    top: 0.3rem;
    transform: translateX(-50%);
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--warm-white);
    border: 3px solid var(--solar-gold);
    z-index: 2;
    transition: all 0.4s;
  }
  .tl-event.major .tl-dot {
    width: 24px;
    height: 24px;
    background: var(--solar-gold);
    border: 3px solid var(--solar-gold);
    box-shadow: 0 0 0 6px var(--accent-glow), 0 0 20px rgba(232, 169, 23, 0.3);
  }

  .tl-year {
    font-family:'Plus Jakarta Sans',sans-serif;
    font-size: 1.6rem;
    color: var(--text-primary);
    margin-bottom: 0.4rem;
    line-height: 1.2;
  }
  .tl-event.major .tl-year {
    font-size: 2rem;
    color: var(--solar-gold);
  }
  .tl-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
  }
  .tl-desc {
    font-size: 0.92rem;
    line-height: 1.7;
    color: var(--text-secondary);
  }

  /* Category tags */
  .tl-tag {
    display: inline-block;
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 0.25rem 0.7rem;
    border-radius: 100px;
    margin-bottom: 0.6rem;
  }
  .tl-tag.founding { background: var(--accent-glow); color: #B07A00; }
  .tl-tag.tech { background: rgba(27, 58, 92, 0.1); color: var(--slate); }
  .tl-tag.expansion { background: rgba(46, 160, 67, 0.1); color: #1a7f37; }
  .tl-tag.milestone { background: rgba(232, 169, 23, 0.12); color: #8a6000; }
  .tl-tag.certification { background: rgba(130, 80, 223, 0.1); color: #6e40c9; }

  /* Reveal animation */
  .reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  }
  .reveal.from-left {
    transform: translateX(-40px) translateY(0);
  }
  .reveal.from-right {
    transform: translateX(40px) translateY(0);
  }
  .reveal.visible {
    opacity: 1;
    transform: translate(0, 0);
  }

  /* ─── ORIGINAL IMAGE SECTION ─── */
  .original-timeline {
    max-width: 1100px;
    margin: 0 auto 4rem;
    padding: 0 3rem;
  }
  .original-timeline-inner {
    background: var(--off-white);
    border-radius: 20px;
    padding: 2.5rem;
    border: 1px solid rgba(10, 22, 40, 0.06);
  }
  .original-timeline-inner .label {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
  }
  .original-timeline-inner img {
    width: 100%;
    border-radius: 12px;
    display: block;
  }

  /* ─── CTA BAND ─── */
  .cta-band {
    background:var(--blue);
    padding: 5rem 3rem;
    text-align: center;
    position: relative;
    overflow: hidden;
  }
  .cta-band::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
      radial-gradient(ellipse 50% 80% at 50% 50%, rgba(232, 169, 23, 0.08), transparent);
  }
  .cta-band-inner {
    position: relative;
    z-index: 2;
    max-width: 700px;
    margin: 0 auto;
  }
  .cta-band h2 {
    font-family:'Plus Jakarta Sans',sans-serif;
    font-size: clamp(1.8rem, 3vw, 2.6rem);
    color: var(--off-white);
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
  }
  .cta-band p {
    color: var(--light-blue);
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 2rem;
  }
  .cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
  }
  .btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.9rem 2rem;
    border-radius: 100px;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
    letter-spacing: 0.02em;
  }
  .btn-gold {
    background: var(--solar-gold);
    color: var(--deep-navy);
  }
  .btn-gold:hover {
    background: var(--solar-amber);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(232, 169, 23, 0.3);
  }
  .btn-outline {
    background: transparent;
    color: var(--off-white);
    border: 1px solid rgba(168, 196, 224, 0.3);
  }
  .btn-outline:hover {
    border-color: var(--solar-gold);
    color: var(--solar-amber);
    transform: translateY(-2px);
  }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .hero-content { padding: 2.5rem 1.5rem 3rem; }
  .hero-stats { gap: 1.75rem; flex-wrap: wrap; }
  .hero-stat .number { font-size: 1.8rem; }

  .timeline-section { padding: 4rem 1.5rem 5rem; }

  /* Collapse alternating timeline to single left-aligned column */
  .timeline::before { left: 18px; transform: none; }

  .tl-event { flex-direction: column; padding-left: 48px; }
  .tl-event.left .tl-content,
  .tl-event.right .tl-content {
    width: 100%;
    margin: 0;
    text-align: left;
    padding-left: 0;
    padding-right: 0;
  }
  .tl-dot { left: 18px; transform: translateX(-50%); }

  .original-timeline { padding: 0 1.5rem; }
  .cta-band { padding: 3.5rem 1.5rem; }
}

@media (max-width: 600px) {
  .hero-content { padding: 2rem 1rem 2.5rem; }
  .hero-stats { flex-direction: column; gap: 1.25rem; margin-top: 2rem; }
  .hero-scroll { display: none; }

  .timeline-section { padding: 3rem 1rem 4rem; }
  .timeline-section-header { margin-bottom: 3rem; }
  .tl-event { margin-bottom: 2.5rem; }
  .tl-year { font-size: 1.3rem; }
  .tl-event.major .tl-year { font-size: 1.6rem; }

  .original-timeline { padding: 0 1rem; }
  .original-timeline-inner { padding: 1.5rem; }
  .cta-band { padding: 3rem 1rem; }
  .cta-band h2 { font-size: 1.5rem; }
}