/* ============================================================
   about-history.css  |  연혁 페이지  |  prefix: hy-
   Colors: --hy-accent:#42a5f5  --hy-dark:#040a1e
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Chakra+Petch:wght@400;600;700;900&family=Outfit:wght@300;400;600;700&display=swap');

:root {
  --hy-accent:   #42a5f5;
  --hy-accent2:  #1e88e5;
  --hy-primary:  #1a237e;
  --hy-dark:     #040a1e;
  --hy-dark2:    #0a1a3e;
  --hy-dark3:    #071030;
  --hy-text:     #e3e8f0;
  --hy-muted:    #90a4ae;
  --hy-border:   rgba(66,165,245,.22);
  --hy-glass:    rgba(10,26,62,.6);
  /* timeline category colors */
  --hy-patent:   #f59e0b;
  --hy-cert:     #10b981;
  --hy-project:  #3b82f6;
  --hy-product:  #8b5cf6;
  --hy-partner:  #06b6d4;
  --hy-found:    #ef4444;
}

/* ============================================================
   SUB-NAV (same pattern as ov-)
   ============================================================ */
.hy-subnav {
  background: rgba(4,10,30,.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--hy-border);
  position: sticky;
  top: 70px;
  z-index: 500;
}
.hy-subnav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.hy-subnav-links { display: flex; gap: 0; list-style: none; margin: 0; padding: 0; }
.hy-subnav-links a {
  display: block;
  padding: 14px 20px;
  color: var(--hy-muted);
  font-family: 'Outfit', sans-serif;
  font-size: .875rem;
  font-weight: 500;
  letter-spacing: .03em;
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color .25s, border-color .25s;
}
.hy-subnav-links a:hover,
.hy-subnav-links a.active { color: #fff; border-bottom-color: var(--hy-accent); }
.hy-subnav-label { font-size: .75rem; color: var(--hy-muted); font-family: 'Outfit', sans-serif; letter-spacing: .08em; text-transform: uppercase; }

/* ============================================================
   1. HERO
   ============================================================ */
.hy-hero {
  position: relative;
  min-height: 680px;
  height: 100vh;
  display: flex;
  align-items: center;
  background: var(--hy-dark);
  overflow: hidden;
}

/* bg image layer */
.hy-hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/about-hero-bg.png');
  background-size: cover;
  background-position: center;
  opacity: .1;
  filter: blur(8px);
  transform: scale(1.05);
}

/* glows */
.hy-hero-glow-l {
  position: absolute;
  width: 500px; height: 500px;
  bottom: -150px; left: -100px;
  border-radius: 50%;
  background: rgba(26,58,110,.6);
  filter: blur(140px);
  pointer-events: none;
}
.hy-hero-glow-r {
  position: absolute;
  width: 350px; height: 350px;
  top: -80px; right: -60px;
  border-radius: 50%;
  background: rgba(66,165,245,.18);
  filter: blur(110px);
  pointer-events: none;
}

/* canvas for year particles */
#hyYearCanvas {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  pointer-events: none;
}

/* SVG trajectory */
.hy-hero-svg {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  opacity: .22;
}

.hy-hero-inner {
  position: relative;
  z-index: 3;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 24px 60px;
}

/* breadcrumb */
.hy-breadcrumb {
  font-size: .78rem;
  color: var(--hy-muted);
  font-family: 'Outfit', sans-serif;
  margin-bottom: 20px;
  opacity: 0;
  animation: hyFadeUp .6s .2s forwards;
}
.hy-breadcrumb a { color: var(--hy-muted); text-decoration: none; }
.hy-breadcrumb a:hover { color: var(--hy-accent); }

.hy-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 16px;
  border-radius: 20px;
  background: rgba(66,165,245,.1);
  border: 1px solid rgba(66,165,245,.35);
  color: var(--hy-accent);
  font-family: 'Outfit', sans-serif;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .1em;
  margin-bottom: 24px;
  opacity: 0;
  animation: hyFadeUp .6s .3s forwards;
}

.hy-hero-title {
  margin-bottom: 1.2rem;
  opacity: 0;
  animation: hyFadeUp .7s .4s forwards;
}
.hy-hero-title-line1 {
  display: block;
  font-size: clamp(1.2rem, 2.5vw, 1.6rem);
  font-weight: 300;
  color: var(--hy-accent);
  font-family: 'Chakra Petch', monospace;
  letter-spacing: .08em;
}
.hy-hero-title-line2 {
  display: block;
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 300;
  color: #fff;
  line-height: 1.25;
}
.hy-hero-title-line3 {
  display: block;
  font-size: clamp(4rem, 9vw, 7rem);
  font-weight: 900;
  color: var(--hy-accent);
  font-family: 'Chakra Petch', monospace;
  line-height: 1;
  text-shadow: 0 0 40px rgba(66,165,245,.6), 0 0 80px rgba(66,165,245,.3);
}

.hy-hero-sub {
  font-size: 1rem;
  color: var(--hy-muted);
  line-height: 1.8;
  max-width: 480px;
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: hyFadeUp .6s .6s forwards;
}

/* mini achievement badges */
.hy-hero-badges {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 2rem;
  opacity: 0;
  animation: hyFadeUp .6s .7s forwards;
}
.hy-ach-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 20px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  color: var(--hy-text);
  font-family: 'Outfit', sans-serif;
  font-size: .8rem;
  font-weight: 600;
}
.hy-ach-badge i { color: var(--hy-accent); }

/* CTA buttons */
.hy-hero-btns {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  opacity: 0;
  animation: hyFadeUp .6s .85s forwards;
}
.hy-btn-cta {
  display: inline-block;
  padding: 13px 30px;
  border-radius: 50px;
  background: var(--hy-accent);
  color: var(--hy-dark);
  font-weight: 700;
  font-family: 'Outfit', sans-serif;
  font-size: .9rem;
  text-decoration: none;
  letter-spacing: .04em;
  box-shadow: 0 4px 24px rgba(66,165,245,.45);
  animation: hyBtnPulse 3s ease-in-out infinite;
  transition: transform .2s, box-shadow .2s;
}
.hy-btn-cta:hover { transform: scale(1.04); box-shadow: 0 6px 36px rgba(66,165,245,.7); color: var(--hy-dark); }
@keyframes hyBtnPulse {
  0%,100% { box-shadow: 0 4px 24px rgba(66,165,245,.45); }
  50%     { box-shadow: 0 4px 40px rgba(66,165,245,.75); }
}
.hy-btn-outline {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 50px;
  border: 1.5px solid rgba(255,255,255,.4);
  color: #fff;
  font-weight: 600;
  font-family: 'Outfit', sans-serif;
  font-size: .9rem;
  text-decoration: none;
  transition: border-color .25s, background .25s;
}
.hy-btn-outline:hover { border-color: var(--hy-accent); background: rgba(66,165,245,.08); color: #fff; }

/* scroll arrow */
.hy-scroll-arrow {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: var(--hy-muted);
  font-size: .72rem;
  font-family: 'Outfit', sans-serif;
  letter-spacing: .1em;
  animation: hyArrowBounce 2s ease-in-out infinite;
}
.hy-scroll-arrow i { font-size: 1.1rem; }
@keyframes hyArrowBounce { 0%,100% { transform: translateX(-50%) translateY(0); } 50% { transform: translateX(-50%) translateY(8px); } }

/* Right panel — glassmorphism mini timeline */
.hy-panel {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(66,165,245,.2);
  border-radius: 20px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 28px;
  opacity: 0;
  animation: hyFadeLeft .8s .5s forwards;
}
.hy-panel-header {
  font-family: 'Outfit', sans-serif;
  font-size: .85rem;
  font-weight: 700;
  color: var(--hy-accent);
  margin-bottom: 20px;
  letter-spacing: .05em;
}
.hy-mini-tl { list-style: none; margin: 0; padding: 0; max-height: 220px; overflow-y: auto; scrollbar-width: none; }
.hy-mini-tl::-webkit-scrollbar { display: none; }
.hy-mini-tl li {
  display: flex;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,.06);
  font-size: .82rem;
}
.hy-mini-tl li:last-child { border-bottom: none; }
.hy-mini-year {
  min-width: 34px;
  font-family: 'Chakra Petch', monospace;
  font-size: .72rem;
  font-weight: 700;
  color: var(--hy-accent);
  padding-top: 2px;
}
.hy-mini-dot { color: var(--hy-accent); font-size: .6rem; padding-top: 4px; flex-shrink: 0; }
.hy-mini-text { color: var(--hy-text); line-height: 1.4; }
.hy-panel-more {
  display: block;
  text-align: center;
  margin-top: 12px;
  font-size: .78rem;
  color: var(--hy-accent);
  font-family: 'Outfit', sans-serif;
  text-decoration: none;
}
.hy-panel-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 16px;
  border-top: 1px solid rgba(255,255,255,.06);
  padding-top: 16px;
}
.hy-panel-stat {
  text-align: center;
}
.hy-panel-stat-num {
  font-family: 'Chakra Petch', monospace;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--hy-accent);
  display: block;
}
.hy-panel-stat-label { font-size: .65rem; color: var(--hy-muted); font-family: 'Outfit', sans-serif; }

/* hero wave divider */
.hy-hero-wave {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  line-height: 0;
  z-index: 4;
}
.hy-hero-wave svg { display: block; width: 100%; }

@keyframes hyFadeUp   { from { opacity:0; transform:translateY(24px); } to { opacity:1; transform:translateY(0); } }
@keyframes hyFadeLeft { from { opacity:0; transform:translateX(30px); } to { opacity:1; transform:translateX(0); } }

/* ============================================================
   2. COUNTERS (6, dark)
   ============================================================ */
.hy-counters {
  padding: 100px 0;
  background: var(--hy-dark2);
  position: relative;
  overflow: hidden;
}
.hy-counters-wm {
  position: absolute;
  font-family: 'Chakra Petch', monospace;
  font-size: 200px;
  font-weight: 900;
  color: rgba(255,255,255,.015);
  right: -20px;
  bottom: -60px;
  line-height: 1;
  user-select: none;
  pointer-events: none;
}
.hy-counter-card {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(66,165,245,.15);
  border-radius: 16px;
  padding: 32px 20px;
  text-align: center;
  transition: background .25s, border-color .25s, transform .25s, box-shadow .25s;
  position: relative;
}
.hy-counter-card:hover {
  background: rgba(66,165,245,.08);
  border-color: rgba(66,165,245,.4);
  transform: translateY(-6px);
  box-shadow: 0 12px 32px rgba(0,0,0,.3);
}
.hy-counter-icon {
  font-size: 1.8rem;
  margin-bottom: 12px;
  display: block;
}
.hy-counter-num {
  font-family: 'Chakra Petch', monospace;
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1;
  background: linear-gradient(135deg, #fff, var(--hy-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
}
.hy-counter-suffix {
  font-size: 1.8rem;
}
.hy-counter-label {
  display: block;
  font-family: 'Outfit', sans-serif;
  font-size: .82rem;
  color: var(--hy-muted);
  letter-spacing: .05em;
  margin: 8px 0 6px;
}
.hy-counter-sub {
  font-size: .75rem;
  color: rgba(144,164,174,.6);
  font-family: 'Outfit', sans-serif;
  line-height: 1.5;
}
/* progress bar */
.hy-counter-bar {
  height: 4px;
  background: rgba(255,255,255,.08);
  border-radius: 2px;
  margin-top: 12px;
  overflow: hidden;
}
.hy-counter-bar-fill {
  height: 100%;
  border-radius: 2px;
  background: var(--hy-accent);
  width: 0;
  transition: width 1.5s ease;
}
/* cert badges row */
.hy-cert-badges { display: flex; gap: 5px; flex-wrap: wrap; justify-content: center; margin-top: 10px; }
.hy-cert-badge { font-size: .62rem; padding: 2px 8px; border-radius: 8px; background: rgba(16,185,129,.15); color: #34d399; border: 1px solid rgba(16,185,129,.3); font-family: 'Outfit', sans-serif; font-weight: 600; }

/* ============================================================
   3. GROWTH CHART
   ============================================================ */
.hy-growth {
  padding: 100px 0;
  background: linear-gradient(180deg, #f0f4ff 0%, #e8eef8 100%);
}
.hy-stage-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  border-radius: 12px;
  font-family: 'Outfit', sans-serif;
  font-size: .88rem;
  font-weight: 600;
  margin-bottom: 10px;
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity .6s, transform .6s;
}
.hy-stage-badge.hy-in { opacity: 1; transform: translateX(0); }
.hy-stage-1 { background: rgba(66,165,245,.1); color: #1a237e; border: 1px solid rgba(66,165,245,.2); }
.hy-stage-2 { background: rgba(59,130,246,.12); color: #1e3a8a; border: 1px solid rgba(59,130,246,.25); }
.hy-stage-3 { background: rgba(139,92,246,.1); color: #4c1d95; border: 1px solid rgba(139,92,246,.2); }
.hy-stage-4 { background: rgba(245,158,11,.1); color: #78350f; border: 1px solid rgba(245,158,11,.25); }
.hy-chart-wrap {
  background: #fff;
  border-radius: 16px;
  padding: 28px 24px 20px;
  box-shadow: 0 4px 24px rgba(0,0,0,.07);
  position: relative;
}
/* year jump buttons */
.hy-year-jumps {
  position: absolute;
  right: -44px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.hy-year-jump {
  width: 38px;
  padding: 3px 0;
  border-radius: 6px;
  background: rgba(66,165,245,.1);
  border: 1px solid rgba(66,165,245,.2);
  color: #1a237e;
  font-size: .65rem;
  font-family: 'Chakra Petch', monospace;
  font-weight: 700;
  text-align: center;
  cursor: pointer;
  transition: background .2s, color .2s;
}
.hy-year-jump:hover { background: var(--hy-accent); color: #fff; border-color: var(--hy-accent); }
/* insight cards */
.hy-insight-card {
  background: #fff;
  border-radius: 12px;
  padding: 20px 18px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
  box-shadow: 0 2px 12px rgba(0,0,0,.06);
  transition: transform .25s, box-shadow .25s;
}
.hy-insight-card:hover { transform: translateY(-3px); box-shadow: 0 6px 20px rgba(0,0,0,.1); }
.hy-insight-icon { font-size: 1.6rem; flex-shrink: 0; }
.hy-insight-title { font-weight: 700; color: #1a237e; font-size: .9rem; margin-bottom: 4px; }
.hy-insight-desc { font-size: .8rem; color: #546e7a; line-height: 1.6; }

/* ============================================================
   4. TIMELINE
   ============================================================ */
.hy-timeline-section {
  padding: 100px 0;
  background: #fff;
  position: relative;
}
/* Filter bar */
.hy-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-bottom: 50px;
}
.hy-filter-btn {
  padding: 7px 18px;
  border-radius: 20px;
  font-size: .8rem;
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  cursor: pointer;
  border: 1.5px solid;
  background: transparent;
  transition: all .25s;
  letter-spacing: .03em;
}
.hy-filter-btn[data-cat="all"]     { border-color: #90a4ae; color: #546e7a; }
.hy-filter-btn[data-cat="patent"]  { border-color: var(--hy-patent); color: var(--hy-patent); }
.hy-filter-btn[data-cat="cert"]    { border-color: var(--hy-cert); color: var(--hy-cert); }
.hy-filter-btn[data-cat="project"] { border-color: var(--hy-project); color: var(--hy-project); }
.hy-filter-btn[data-cat="product"] { border-color: var(--hy-product); color: var(--hy-product); }
.hy-filter-btn[data-cat="partner"] { border-color: var(--hy-partner); color: var(--hy-partner); }
.hy-filter-btn.active,
.hy-filter-btn:hover {
  color: #fff !important;
}
.hy-filter-btn[data-cat="all"].active,    .hy-filter-btn[data-cat="all"]:hover    { background:#546e7a; border-color:#546e7a; }
.hy-filter-btn[data-cat="patent"].active,  .hy-filter-btn[data-cat="patent"]:hover  { background:var(--hy-patent); border-color:var(--hy-patent); }
.hy-filter-btn[data-cat="cert"].active,    .hy-filter-btn[data-cat="cert"]:hover    { background:var(--hy-cert); border-color:var(--hy-cert); }
.hy-filter-btn[data-cat="project"].active, .hy-filter-btn[data-cat="project"]:hover { background:var(--hy-project); border-color:var(--hy-project); }
.hy-filter-btn[data-cat="product"].active, .hy-filter-btn[data-cat="product"]:hover { background:var(--hy-product); border-color:var(--hy-product); }
.hy-filter-btn[data-cat="partner"].active, .hy-filter-btn[data-cat="partner"]:hover { background:var(--hy-partner); border-color:var(--hy-partner); }

/* Timeline container */
.hy-tl-wrap {
  position: relative;
  padding-bottom: 40px;
}
/* Center glow line */
.hy-tl-line {
  position: absolute;
  left: 50%;
  top: 0;
  width: 2px;
  height: 0;
  transform: translateX(-50%);
  background: linear-gradient(to bottom, #3b82f6 0%, #8b5cf6 30%, #10b981 60%, #f59e0b 90%);
  box-shadow: 0 0 10px rgba(66,165,245,.3);
  transition: height 2.5s ease;
  z-index: 1;
}
/* Year group */
.hy-tl-year-group { margin-bottom: 56px; }
/* Year node row */
.hy-tl-year-row {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 3;
  margin-bottom: 28px;
}
.hy-year-node {
  width: 88px; height: 88px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--hy-accent2), var(--hy-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Chakra Petch', monospace;
  font-size: 1.1rem;
  font-weight: 800;
  color: #fff;
  box-shadow: 0 0 0 8px rgba(66,165,245,.15),
              0 0 0 16px rgba(66,165,245,.07),
              0 0 28px rgba(66,165,245,.4);
  animation: hyNodePulse 3s ease-in-out infinite;
  position: relative;
  z-index: 3;
  outline: 10px solid #fff;
  transition: transform .3s;
  opacity: 0;
  transform: scale(0);
}
.hy-year-node.hy-visible { opacity: 1; transform: scale(1); }
.hy-year-node.year-2015 {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  box-shadow: 0 0 0 8px rgba(239,68,68,.15), 0 0 0 16px rgba(239,68,68,.07), 0 0 28px rgba(239,68,68,.4);
  width: 96px; height: 96px;
  flex-direction: column;
  gap: 2px;
}
.hy-year-node.year-2015 .hy-yn-rocket { font-size: 1.3rem; line-height: 1; }
.hy-year-node.year-2015 .hy-yn-year   { font-size: .85rem; }
.hy-year-node.year-upcoming {
  background: linear-gradient(135deg, rgba(66,165,245,.3), rgba(66,165,245,.5));
  box-shadow: 0 0 0 8px rgba(66,165,245,.08), 0 0 16px rgba(66,165,245,.2);
  border: 2px dashed rgba(66,165,245,.5);
  animation: none;
}
@keyframes hyNodePulse {
  0%,100% { box-shadow: 0 0 0 8px rgba(66,165,245,.15), 0 0 0 16px rgba(66,165,245,.07); }
  50%     { box-shadow: 0 0 0 12px rgba(66,165,245,.22), 0 0 0 22px rgba(66,165,245,.1); }
}
/* Items row (left/right) */
.hy-tl-items-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 120px;
  position: relative;
  z-index: 2;
}
.hy-tl-side-left  { display: flex; flex-direction: column; gap: 14px; padding-right: 0; }
.hy-tl-side-right { display: flex; flex-direction: column; gap: 14px; padding-left: 0; }
/* cards on each side */
.hy-tl-card {
  background: #fff;
  border-radius: 14px;
  border: 1px solid rgba(0,0,0,.07);
  border-left: 4px solid;
  box-shadow: 0 3px 16px rgba(0,0,0,.07);
  overflow: hidden;
  position: relative;
  cursor: pointer;
  transition: box-shadow .3s, transform .3s, border-color .3s;
  opacity: 0;
  transform: translateX(-40px);
}
.hy-tl-side-right .hy-tl-card { transform: translateX(40px); }
.hy-tl-card.hy-visible { opacity: 1; transform: translateX(0); }
.hy-tl-card:hover { box-shadow: 0 10px 32px rgba(0,0,0,.13); transform: translateY(-3px) scale(1.01); }
/* connect dot */
.hy-tl-card::before {
  content: '';
  position: absolute;
  top: 24px;
  right: -9px;
  width: 14px; height: 14px;
  border-radius: 50%;
  border: 3px solid #fff;
  box-shadow: 0 0 8px currentColor;
}
.hy-tl-side-right .hy-tl-card::before { right: auto; left: -9px; }

.hy-tl-card[data-cat="patent"]  { border-left-color: var(--hy-patent);  }
.hy-tl-card[data-cat="patent"]::before  { background: var(--hy-patent); color: var(--hy-patent); }
.hy-tl-card[data-cat="cert"]    { border-left-color: var(--hy-cert);    }
.hy-tl-card[data-cat="cert"]::before    { background: var(--hy-cert);   color: var(--hy-cert);   }
.hy-tl-card[data-cat="project"] { border-left-color: var(--hy-project); }
.hy-tl-card[data-cat="project"]::before { background: var(--hy-project);color: var(--hy-project);}
.hy-tl-card[data-cat="product"] { border-left-color: var(--hy-product); }
.hy-tl-card[data-cat="product"]::before { background: var(--hy-product);color: var(--hy-product);}
.hy-tl-card[data-cat="partner"] { border-left-color: var(--hy-partner); }
.hy-tl-card[data-cat="partner"]::before { background: var(--hy-partner);color: var(--hy-partner);}
.hy-tl-card[data-cat="found"]   { border-left-color: var(--hy-found);   }
.hy-tl-card[data-cat="found"]::before   { background: var(--hy-found);  color: var(--hy-found);  }

/* Highlight card style */
.hy-tl-card.hl { background: linear-gradient(135deg, rgba(245,158,11,.04), #fff); }
.hy-tl-card.hl::after {
  content: '⭐';
  position: absolute;
  top: -10px; right: 14px;
  font-size: 18px;
  line-height: 1;
}
/* Upcoming card */
.hy-tl-card.upcoming { border-style: dashed; border-left-style: dashed; background: rgba(66,165,245,.03); }
/* Founding card */
.hy-tl-card.founding {
  background: linear-gradient(135deg, rgba(239,68,68,.05), #fff);
  border-left-color: var(--hy-found);
  box-shadow: 0 8px 32px rgba(239,68,68,.12);
}

.hy-tl-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 18px 20px;
}
.hy-tl-card-left { display: flex; align-items: center; gap: 10px; }
.hy-cat-icon {
  width: 36px; height: 36px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: .95rem;
  border: 1.5px solid;
}
.hy-tl-card-meta { display: flex; flex-direction: column; }
.hy-tl-card-date { font-size: .7rem; color: var(--hy-muted); font-family: 'Outfit', sans-serif; }
.hy-tl-card-title { font-size: .9rem; font-weight: 700; color: #1a237e; line-height: 1.3; }
.hy-tl-card-right { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.hy-tl-card-toggle { font-size: .85rem; color: var(--hy-muted); transition: transform .3s; }
.hy-tl-card.open .hy-tl-card-toggle { transform: rotate(180deg); }

/* accordion detail */
.hy-tl-detail {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease;
}
.hy-tl-card.open .hy-tl-detail { max-height: 300px; }
.hy-tl-detail-inner {
  padding: 0 20px 18px;
  border-top: 1px solid rgba(0,0,0,.06);
}
.hy-tl-detail-text { font-size: .85rem; color: #546e7a; line-height: 1.7; margin-bottom: 8px; }
.hy-tl-detail-link { font-size: .82rem; color: var(--hy-accent2); font-weight: 600; text-decoration: none; }
.hy-tl-detail-link:hover { text-decoration: underline; }

/* filtered state */
.hy-tl-card.filtered-out { opacity: .25 !important; transform: scale(.98) !important; }

/* ============================================================
   5. MILESTONES
   ============================================================ */
.hy-milestones {
  padding: 100px 0;
  background: var(--hy-dark);
  position: relative;
  overflow: hidden;
}
.hy-milestones::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(66,165,245,.04) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}
.hy-ms-card {
  background: rgba(255,255,255,.04);
  border-radius: 20px;
  padding: 32px 28px;
  border: 1px solid rgba(255,255,255,.08);
  position: relative;
  overflow: hidden;
  transition: background .3s, border-color .3s, transform .35s, box-shadow .35s;
  opacity: 0;
  transform: translateY(40px);
  height: 100%;
}
.hy-ms-card.hy-visible { opacity: 1; transform: translateY(0); }
.hy-ms-card:hover {
  background: rgba(255,255,255,.08);
  border-color: rgba(66,165,245,.3);
  transform: translateY(-8px);
  box-shadow: 0 16px 48px rgba(0,0,0,.4);
}
/* glow decoration ::before */
.hy-ms-card::before {
  content: '';
  position: absolute;
  top: -30px; right: -30px;
  width: 120px; height: 120px;
  border-radius: 50%;
  opacity: .2;
  filter: blur(40px);
  transition: opacity .3s;
}
.hy-ms-card:hover::before { opacity: .35; }
.hy-ms-card[data-ms-color="#ef4444"]::before { background: #ef4444; }
.hy-ms-card[data-ms-color="#3b82f6"]::before { background: #3b82f6; }
.hy-ms-card[data-ms-color="#10b981"]::before { background: #10b981; }
.hy-ms-card[data-ms-color="#8b5cf6"]::before { background: #8b5cf6; }
.hy-ms-card[data-ms-color="#f59e0b"]::before { background: #f59e0b; }
/* year watermark */
.hy-ms-wm {
  position: absolute;
  bottom: 16px; right: 20px;
  font-family: 'Chakra Petch', monospace;
  font-size: 72px;
  font-weight: 900;
  color: rgba(255,255,255,.04);
  line-height: 1;
  user-select: none;
  pointer-events: none;
}
.hy-ms-icon {
  width: 72px; height: 72px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin-bottom: 20px;
  border: 1px solid;
  transition: transform .3s;
}
.hy-ms-card:hover .hy-ms-icon { transform: rotate(10deg) scale(1.1); }
.hy-ms-badge {
  display: inline-block;
  padding: 3px 12px;
  border-radius: 12px;
  font-family: 'Outfit', sans-serif;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .06em;
  margin-bottom: 10px;
  border: 1px solid;
}
.hy-ms-title { font-size: 1.05rem; font-weight: 700; color: #fff; margin-bottom: 10px; }
.hy-ms-desc { font-size: .85rem; color: var(--hy-muted); line-height: 1.7; }

/* ============================================================
   6. FUTURE VISION
   ============================================================ */
.hy-future {
  padding: 100px 0;
  background: linear-gradient(180deg, #f0f4ff 0%, #e8eef8 100%);
}
.hy-future-dir {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 16px;
}
.hy-future-dir-icon { font-size: 1.4rem; flex-shrink: 0; margin-top: 2px; }
.hy-future-dir-text { font-size: .92rem; color: #1a237e; font-weight: 600; line-height: 1.5; }
.hy-future-dir-text span { display: block; font-size: .82rem; font-weight: 400; color: #546e7a; margin-top: 2px; }
.hy-roadmap-card {
  background: #fff;
  border-radius: 14px;
  border-left: 4px solid;
  padding: 24px 22px;
  box-shadow: 0 4px 16px rgba(0,0,0,.07);
  margin-bottom: 16px;
  transition: transform .25s, box-shadow .25s;
  opacity: 0;
  transform: translateY(24px);
}
.hy-roadmap-card.hy-in { opacity: 1; transform: translateY(0); }
.hy-roadmap-card:hover { transform: translateY(-3px); box-shadow: 0 8px 28px rgba(0,0,0,.1); }
.hy-roadmap-card[data-status="active"]  { border-left-color: var(--hy-accent); background: rgba(66,165,245,.02); }
.hy-roadmap-card[data-status="plan"]    { border-left-color: var(--hy-cert); background: rgba(16,185,129,.02); }
.hy-roadmap-card[data-status="goal"]    { border-left-color: var(--hy-product); background: rgba(139,92,246,.02); }
.hy-roadmap-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.hy-roadmap-title { font-size: .98rem; font-weight: 700; color: #1a237e; display: flex; align-items: center; gap: 8px; }
.hy-roadmap-title i { font-size: 1.1rem; }
.hy-roadmap-status {
  font-size: .7rem;
  padding: 3px 10px;
  border-radius: 10px;
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
}
.hy-roadmap-card[data-status="active"] .hy-roadmap-status { background:rgba(66,165,245,.12); color:var(--hy-accent2); }
.hy-roadmap-card[data-status="plan"]   .hy-roadmap-status { background:rgba(16,185,129,.12); color:#059669; }
.hy-roadmap-card[data-status="goal"]   .hy-roadmap-status { background:rgba(139,92,246,.12); color:#7c3aed; }
.hy-roadmap-list { list-style: none; margin: 0; padding: 0; }
.hy-roadmap-list li { font-size: .83rem; color: #546e7a; padding: 3px 0; display: flex; align-items: flex-start; gap: 8px; }
.hy-roadmap-list li::before { content: '·'; color: var(--hy-accent); font-weight: 700; flex-shrink: 0; }
.hy-future-mini-cta {
  text-align: center;
  background: rgba(66,165,245,.08);
  border-radius: 12px;
  padding: 24px;
  margin-top: 32px;
}
.hy-future-mini-cta p { font-size: .95rem; color: #1a237e; font-weight: 600; margin-bottom: 12px; }
.hy-future-mini-btn {
  display: inline-block;
  padding: 10px 24px;
  border-radius: 50px;
  background: var(--hy-accent);
  color: var(--hy-dark);
  font-weight: 700;
  font-family: 'Outfit', sans-serif;
  font-size: .85rem;
  text-decoration: none;
  transition: background .2s, box-shadow .2s;
}
.hy-future-mini-btn:hover { background: var(--hy-accent2); box-shadow: 0 4px 20px rgba(66,165,245,.4); color: #fff; }

/* ============================================================
   7. RELATED + CTA
   ============================================================ */
.hy-related { padding: 80px 0; background: #f0f4ff; }
.hy-rel-card {
  background: #fff;
  border-radius: 16px;
  padding: 28px 24px;
  box-shadow: 0 4px 16px rgba(0,0,0,.07);
  height: 100%;
  text-decoration: none;
  display: block;
  position: relative;
  overflow: hidden;
  transition: transform .25s, box-shadow .25s;
  border-top: 3px solid transparent;
}
.hy-rel-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 0; height: 3px;
  background: linear-gradient(90deg, var(--hy-accent2), var(--hy-accent));
  transition: width .35s ease;
}
.hy-rel-card:hover::before { width: 100%; }
.hy-rel-card:hover { transform: translateY(-4px) scale(1.02); box-shadow: 0 10px 36px rgba(66,165,245,.15); }
.hy-rel-icon { width: 48px; height: 48px; border-radius: 12px; display: flex; align-items: center; justify-content: center; margin-bottom: 16px; font-size: 1.4rem; }
.hy-rel-icon.blue   { background: rgba(66,165,245,.12); color: var(--hy-accent2); }
.hy-rel-icon.gold   { background: rgba(245,158,11,.12); color: #d97706; }
.hy-rel-badge { display: inline-block; padding: 2px 10px; border-radius: 10px; font-size: .68rem; background: #e8eaf6; color: #3949ab; font-family: 'Outfit', sans-serif; font-weight: 600; margin-bottom: 8px; }
.hy-rel-title { font-size: 1.05rem; font-weight: 700; color: #1a237e; margin-bottom: 6px; }
.hy-rel-desc { font-size: .85rem; color: #546e7a; line-height: 1.6; margin-bottom: 12px; }
.hy-rel-arrow { font-size: .85rem; color: var(--hy-accent2); font-weight: 600; transition: transform .2s; display: inline-block; }
.hy-rel-card:hover .hy-rel-arrow { transform: translateX(5px); }

/* CTA */
.hy-cta {
  position: relative;
  padding: 100px 0;
  background: linear-gradient(160deg, var(--hy-dark) 0%, var(--hy-dark2) 100%);
  overflow: hidden;
}
#hyCtaCanvas { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.hy-cta-glow { position: absolute; width: 400px; height: 400px; border-radius: 50%; background: var(--hy-accent); filter: blur(120px); opacity: .12; top: 50%; left: 50%; transform: translate(-50%,-50%); pointer-events: none; }
.hy-cta-inner { position: relative; z-index: 2; text-align: center; }
.hy-cta-quote {
  background: rgba(255,255,255,.05);
  border-left: 4px solid var(--hy-accent);
  padding: 16px 24px;
  border-radius: 0 8px 8px 0;
  text-align: left;
  max-width: 640px;
  margin: 0 auto 24px;
}
.hy-cta-quote-text { font-size: 1.05rem; font-style: italic; color: #fff; font-weight: 600; }
.hy-cta-sub { font-size: .95rem; color: var(--hy-muted); line-height: 1.8; margin-bottom: 16px; }
.hy-cta-stats { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; margin-bottom: 2.5rem; }
.hy-cta-stat { padding: 5px 14px; border-radius: 16px; background: rgba(66,165,245,.1); border: 1px solid rgba(66,165,245,.25); color: var(--hy-accent); font-family: 'Outfit', sans-serif; font-size: .8rem; font-weight: 600; }
.hy-cta-btns { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; margin-bottom: 1rem; }
.hy-cta-trust { font-size: .8rem; color: rgba(144,164,174,.7); font-family: 'Outfit', sans-serif; letter-spacing: .04em; }
.hy-cta-contact { font-size: .9rem; color: var(--hy-muted); font-family: 'Outfit', sans-serif; margin-top: 16px; }
.hy-cta-contact a { color: var(--hy-accent); font-weight: 600; text-decoration: none; }
.hy-cta-contact a:hover { color: #fff; }

/* ============================================================
   SECTION HEADER COMMON
   ============================================================ */
.hy-sec-badge {
  display: inline-block;
  padding: 5px 16px;
  border-radius: 20px;
  font-family: 'Outfit', sans-serif;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.hy-sec-badge.light { background: rgba(66,165,245,.1); color: var(--hy-accent2); border: 1px solid rgba(66,165,245,.2); }
.hy-sec-badge.dark  { background: rgba(66,165,245,.15); color: var(--hy-accent); border: 1px solid rgba(66,165,245,.3); }
.hy-sec-title { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 700; margin-bottom: .5rem; }
.hy-sec-title.on-dark { color: #fff; }
.hy-sec-title.on-light { color: #1a237e; }
.hy-sec-sub { font-size: 1rem; line-height: 1.7; }
.hy-sec-sub.on-dark { color: var(--hy-muted); }
.hy-sec-sub.on-light { color: #546e7a; }

/* data-hy-anim generic */
[data-hy-anim] { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
[data-hy-anim].hy-in { opacity: 1; transform: translateY(0); }
[data-hy-anim][data-hy-delay="200"] { transition-delay: .2s; }
[data-hy-anim][data-hy-delay="400"] { transition-delay: .4s; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 991px) {
  .hy-hero { height: auto; min-height: 560px; }
  .hy-tl-items-row { grid-template-columns: 1fr; gap: 14px; }
  .hy-tl-line { left: 24px; }
  .hy-year-node { width: 56px; height: 56px; font-size: .78rem; }
  .hy-tl-card::before { right: auto; left: -9px; }
  .hy-tl-side-right .hy-tl-card { transform: translateX(-40px); }
  .hy-year-jumps { display: none; }
}
@media (max-width: 767px) {
  .hy-counter-card { padding: 20px 14px; }
  .hy-counter-num { font-size: 2.8rem; }
  .hy-hero-title-line3 { font-size: clamp(3.5rem, 14vw, 5rem); }
  .hy-ms-card { padding: 24px 20px; }
  .hy-subnav-links a { padding: 10px 12px; font-size: .78rem; }
}
