/* ============================================================
   SPARK · Hero Animation
   25s editorial loop — Prologue → 3 chapters → Composite
   ============================================================ */

.hero-anim {
  position: relative;
  min-height: 92vh;
  height: 92vh;            /* match original hero-v2 envelope */
  max-height: 920px;
  display: grid;
  grid-template-rows: auto 1fr auto;
  isolation: isolate;
  overflow: hidden;
  color: #fff;
  background: #0b0b0c;
  padding-top: clamp(72px, 8vw, 104px); /* clear transparent header */
  --beat: 4s;              /* one chapter */
  --loop: 16s;             /* 4 beats × 4s */
  --oak: #c79b6a;
  --rule: rgba(255,255,255,0.18);
  --mono: 'JetBrains Mono', ui-monospace, monospace;
  --serif: 'Instrument Serif', Georgia, serif;
  --display: 'General Sans', 'Inter', system-ui, sans-serif;
}

/* ───── Background crossfade stack ───── */
.hero-anim__bgs { position: absolute; inset: 0; z-index: 0; }
.hero-anim__bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  opacity: 0;
  transform: scale(1.06);
  animation-duration: var(--loop);
  animation-iteration-count: infinite;
  animation-timing-function: cubic-bezier(.5,.05,.2,1);
  will-change: opacity, transform;
}
.hero-anim__bg--1 { animation-name: bgB; }
.hero-anim__bg--2 { animation-name: bgC; }
.hero-anim__bg--3 { animation-name: bgD; }
.hero-anim__bg--4 { animation-name: bgE; }

/* 4 beats of 25% each. 3% in / 22% hold / 3% out per beat. */
@keyframes bgB { /* Frankfurt 0-25% */
  0%        { opacity: 0; transform: scale(1.08); }
  4%        { opacity: 1; transform: scale(1.03); }
  22%       { opacity: 1; transform: scale(1.00); }
  26%, 100% { opacity: 0; }
}
@keyframes bgC { /* Upper West 25-50% */
  0%, 24%   { opacity: 0; transform: scale(1.08); }
  29%       { opacity: 1; transform: scale(1.03); }
  47%       { opacity: 1; transform: scale(1.00); }
  51%, 100% { opacity: 0; }
}
@keyframes bgD { /* Kudamm 50-75% */
  0%, 49%   { opacity: 0; transform: scale(1.08); }
  54%       { opacity: 1; transform: scale(1.03); }
  72%       { opacity: 1; transform: scale(1.00); }
  76%, 100% { opacity: 0; }
}
@keyframes bgE { /* Composite 75-100% */
  0%, 74%   { opacity: 0; transform: scale(1.06); }
  79%       { opacity: 1; transform: scale(1.02); }
  97%       { opacity: 1; transform: scale(1.00); }
  100%      { opacity: 0; }
}

/* Veil — heavier on left for title legibility */
.hero-anim__veil {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background:
    linear-gradient(90deg, rgba(11,11,12,0.82) 0%, rgba(11,11,12,0.55) 30%, rgba(11,11,12,0.25) 55%, rgba(11,11,12,0.55) 100%),
    linear-gradient(180deg, rgba(11,11,12,0.45) 0%, rgba(11,11,12,0.08) 30%, rgba(11,11,12,0.18) 60%, rgba(11,11,12,0.85) 100%);
}
.hero-anim__grid {
  position: absolute; inset: 0; z-index: 2; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 96px 96px;
  mix-blend-mode: overlay;
  opacity: 0.6;
}

/* ───── Top bar ───── */
.hero-anim__top {
  position: relative; z-index: 5;
  display: flex; justify-content: flex-end; align-items: center;
  padding: clamp(14px, 1.6vw, 22px) clamp(28px, 4vw, 64px);
  font-family: var(--mono);
  font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase;
  color: rgba(255,255,255,0.7);
}
.hero-anim__top > span:first-child { display: none; } /* eyebrow lives in title block now — avoids logo collision */
.hero-anim__top .dot {
  display: inline-block; width: 6px; height: 6px;
  background: var(--oak); border-radius: 50%; margin-right: 10px;
  vertical-align: 1px;
  animation: dotPulse 2.5s ease-in-out infinite;
}
@keyframes dotPulse {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50%      { opacity: 1; transform: scale(1.25); }
}
.hero-anim__counter { position: relative; display: inline-block; min-width: 12ch; text-align: right; height: 1.2em; overflow: hidden; }
.hero-anim__counter .ctr {
  position: absolute; right: 0; top: 0;
  opacity: 0; transform: translateY(8px);
  animation-duration: var(--loop);
  animation-iteration-count: infinite;
  animation-timing-function: cubic-bezier(.4,.0,.2,1);
}
.ctr--1 { animation-name: ctr1; }
.ctr--2 { animation-name: ctr2; }
.ctr--3 { animation-name: ctr3; }
.ctr--4 { animation-name: ctr4; }
@keyframes ctr1 { 3%,22%{opacity:1;transform:none} 26%,100%{opacity:0;transform:translateY(-8px)} }
@keyframes ctr2 { 0%,24%{opacity:0;transform:translateY(8px)} 28%,47%{opacity:1;transform:none} 51%,100%{opacity:0;transform:translateY(-8px)} }
@keyframes ctr3 { 0%,49%{opacity:0;transform:translateY(8px)} 53%,72%{opacity:1;transform:none} 76%,100%{opacity:0;transform:translateY(-8px)} }
@keyframes ctr4 { 0%,74%{opacity:0;transform:translateY(8px)} 78%,97%{opacity:1;transform:none} 100%{opacity:0;transform:translateY(-8px)} }

/* ───── Main composition ───── */
.hero-anim__main {
  position: relative; z-index: 4;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  gap: clamp(32px, 5vw, 96px);
  align-items: end;
  padding: 0 clamp(28px, 4vw, 64px) clamp(40px, 5vw, 72px);
  width: 100%;
}
.hero-anim__title { max-width: 720px; }
.hero-anim__title h1 {
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(38px, 4.6vw, 72px);
  line-height: 1.02;
  letter-spacing: -0.025em;
  margin: 0;
  text-wrap: balance;
  color: #fff;
  text-shadow: 0 2px 24px rgba(0,0,0,0.35);
}
.hero-anim__title h1 em {
  font-style: italic; font-family: var(--serif); font-weight: 400;
  color: var(--oak);
}
/* per-word entry */
.hero-anim__title .w {
  display: inline-block;
  opacity: 0; transform: translateY(28px);
  animation: wordIn 1.1s cubic-bezier(.2,.7,.2,1) forwards;
}
.hero-anim__title .w--1 { animation-delay: 0.15s; }
.hero-anim__title .w--2 { animation-delay: 0.32s; }
.hero-anim__title .w--3 { animation-delay: 0.49s; }
.hero-anim__title .w--4 { animation-delay: 0.66s; }
.hero-anim__title .w--5 { animation-delay: 0.83s; }
.hero-anim__title .w--6 { animation-delay: 1.00s; }
.hero-anim__title .w--7 { animation-delay: 1.17s; }
@keyframes wordIn { to { opacity: 1; transform: none; } }

.hero-anim__lede {
  margin-top: clamp(16px, 1.6vw, 24px);
  font-family: var(--display);
  font-size: clamp(14.5px, 1.1vw, 17px);
  line-height: 1.55; max-width: 50ch;
  color: rgba(255,255,255,0.88);
  text-shadow: 0 1px 12px rgba(0,0,0,0.4);
  opacity: 0; transform: translateY(12px);
  animation: wordIn 1.2s 1.0s cubic-bezier(.2,.7,.2,1) forwards;
}
.hero-anim__lede em {
  font-style: italic; font-family: var(--serif); font-weight: 400;
  color: var(--oak);
  text-shadow: none;
}

/* ───── Scene card (right) ───── */
.hero-anim__card {
  position: relative;
  width: 100%;
  min-height: clamp(240px, 28vw, 320px);
  border: 1px solid var(--rule);
  background: rgba(11,11,12,0.62);
  backdrop-filter: blur(16px) saturate(120%);
  -webkit-backdrop-filter: blur(16px) saturate(120%);
  padding: clamp(22px, 2vw, 28px);
  border-radius: 22px;
  overflow: hidden;
}
.hero-anim__card::before {
  content: ""; position: absolute; left: 0; top: 22px; bottom: 22px; width: 2px;
  background: var(--oak);
  border-radius: 0 2px 2px 0;
}
.scene {
  position: absolute; inset: clamp(24px, 2vw, 32px);
  display: flex; flex-direction: column; gap: clamp(12px, 1.2vw, 18px);
  opacity: 0; transform: translateY(14px);
  animation-duration: var(--loop);
  animation-iteration-count: infinite;
  animation-timing-function: cubic-bezier(.3,.0,.2,1);
  pointer-events: none;
}
.scene--1 { animation-name: sc1; }
.scene--2 { animation-name: sc2; }
.scene--3 { animation-name: sc3; }
.scene--4 { animation-name: sc4; }
/* 4 beats × 4s. Each scene: 3% in, hold, 3% out. */
@keyframes sc1 {
  0%     { opacity: 0; transform: translateY(14px); }
  4%     { opacity: 1; transform: none; }
  22%    { opacity: 1; transform: none; }
  26%, 100% { opacity: 0; transform: translateY(-14px); }
}
@keyframes sc2 {
  0%, 24% { opacity: 0; transform: translateY(14px); }
  29%     { opacity: 1; transform: none; }
  47%     { opacity: 1; transform: none; }
  51%, 100% { opacity: 0; transform: translateY(-14px); }
}
@keyframes sc3 {
  0%, 49% { opacity: 0; transform: translateY(14px); }
  54%     { opacity: 1; transform: none; }
  72%     { opacity: 1; transform: none; }
  76%, 100% { opacity: 0; transform: translateY(-14px); }
}
@keyframes sc4 {
  0%, 74% { opacity: 0; transform: translateY(14px); }
  79%     { opacity: 1; transform: none; }
  97%     { opacity: 1; transform: none; }
  100%    { opacity: 0; transform: translateY(-14px); }
}

.scene__num {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.24em;
  text-transform: uppercase; color: rgba(255,255,255,0.6);
}
.scene h2 {
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(24px, 2.2vw, 32px);
  line-height: 1.02; letter-spacing: -0.02em;
  margin: 0;
}
.scene h2 em {
  font-style: italic; font-family: var(--serif); font-weight: 400;
  color: var(--oak);
}
.scene p {
  font-family: var(--display);
  font-size: clamp(13.5px, 1vw, 15.5px);
  line-height: 1.55;
  color: rgba(255,255,255,0.78);
  margin: 0; max-width: 38ch;
}

.scene__verticals {
  list-style: none; margin: auto 0 0; padding: 14px 0 0;
  border-top: 1px solid var(--rule);
  display: grid; grid-template-columns: 1fr 1fr; gap: 6px 24px;
  font-family: var(--mono);
  font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase;
}
.scene__verticals li {
  display: flex; align-items: center; gap: 8px;
  color: rgba(255,255,255,0.32);
  transition: color .4s ease;
}
.scene__verticals li::before {
  content: ""; width: 14px; height: 1px; background: currentColor;
  display: inline-block;
}
.scene__verticals li.on { color: #fff; }
.scene__verticals li.on::before { background: var(--oak); width: 22px; }


/* Composite scene gets a triptych */
.scene--4 .scene__triptych {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin: auto 0 0;
}
.scene--4 .scene__triptych div {
  height: 70px; background-size: cover; background-position: center;
  position: relative; overflow: hidden;
  border-radius: 10px;
}
.scene--4 .scene__triptych div::after {
  content: attr(data-label);
  position: absolute; left: 8px; bottom: 6px;
  font-family: var(--mono); font-size: 9px; letter-spacing: 0.2em;
  text-transform: uppercase; color: #fff;
  text-shadow: 0 1px 4px rgba(0,0,0,0.7);
}

/* ───── Bottom chapter ticker ───── */
.hero-anim__bottom {
  position: relative; z-index: 5;
  padding: clamp(14px, 1.6vw, 20px) clamp(28px, 4vw, 64px) clamp(22px, 2.4vw, 32px);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(10px, 1vw, 16px);
}
.hero-anim__chapter {
  font-family: var(--mono);
  font-size: 10.5px; letter-spacing: 0.22em; text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 18px;
  padding: 18px 22px 18px;
  cursor: pointer;
  text-align: left;
  position: relative;
  overflow: hidden;
  transition: color .4s ease, background .3s ease, border-color .3s ease, transform .3s ease;
  font-weight: 500;
}
.hero-anim__chapter::before {
  content: ""; position: absolute; left: 22px; right: 22px; top: 0; height: 2px;
  background: rgba(255,255,255,0.14);
  border-radius: 0 0 2px 2px;
}
.hero-anim__chapter::after {
  content: ""; position: absolute; left: 22px; top: 0; height: 2px; width: 0;
  background: var(--oak);
  border-radius: 0 0 2px 2px;
  animation-duration: var(--loop);
  animation-iteration-count: infinite;
  animation-timing-function: linear;
}
.hero-anim__chapter strong {
  display: block; font-family: var(--serif); font-style: italic; font-weight: 400;
  font-size: clamp(18px, 1.6vw, 24px); letter-spacing: 0;
  text-transform: none; color: #fff; margin-top: 6px;
  line-height: 1.1;
}
.hero-anim__chapter small {
  display: block; font-size: 9.5px; letter-spacing: 0.2em;
  color: rgba(255,255,255,0.42); margin-top: 4px;
}
.hero-anim__chapter:hover { color: #fff; background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.35); transform: translateY(-2px); }
.hero-anim__chapter:hover::before { background: rgba(255,255,255,0.4); }

/* Sliding "active" bar across each chapter, in turn (4 beats) */
.hero-anim__chapter--1::after { animation-name: bar1; }
.hero-anim__chapter--2::after { animation-name: bar2; }
.hero-anim__chapter--3::after { animation-name: bar3; }
.hero-anim__chapter--4::after { animation-name: bar4; }
@keyframes bar1 { 0%{width:0; opacity:1} 25%{width:calc(100% - 44px)} 26%,100%{width:calc(100% - 44px); opacity:0.35} }
@keyframes bar2 { 0%,25%{width:0; opacity:1} 50%{width:calc(100% - 44px)} 51%,100%{width:calc(100% - 44px); opacity:0.35} }
@keyframes bar3 { 0%,50%{width:0; opacity:1} 75%{width:calc(100% - 44px)} 76%,100%{width:calc(100% - 44px); opacity:0.35} }
@keyframes bar4 { 0%,75%{width:0; opacity:1} 100%{width:calc(100% - 44px)} }

/* Active chapter glow */
.hero-anim__chapter--active {
  color: #fff;
}
.hero-anim__chapter--active::before { background: var(--oak); height: 2px; top: -1px; }

/* ───── Paused state (when user hovers / locks) ───── */
.hero-anim[data-paused="true"] .hero-anim__bg,
.hero-anim[data-paused="true"] .scene,
.hero-anim[data-paused="true"] .hero-anim__counter .ctr,
.hero-anim[data-paused="true"] .hero-anim__chapter::after,
.hero-anim[data-paused="true"] .scene__verticals li.on {
  animation-play-state: paused;
}

/* ───── Locked-to-scene state (when chapter clicked) ───── */
.hero-anim[data-locked] .hero-anim__bg,
.hero-anim[data-locked] .scene,
.hero-anim[data-locked] .hero-anim__counter .ctr,
.hero-anim[data-locked] .hero-anim__chapter::after,
.hero-anim[data-locked] .scene__verticals li.on {
  animation: none !important;
}
.hero-anim[data-locked="1"] .hero-anim__bg--1,
.hero-anim[data-locked="2"] .hero-anim__bg--2,
.hero-anim[data-locked="3"] .hero-anim__bg--3,
.hero-anim[data-locked="4"] .hero-anim__bg--4 { opacity: 1; transform: scale(1); }
.hero-anim[data-locked="1"] .scene--1,
.hero-anim[data-locked="2"] .scene--2,
.hero-anim[data-locked="3"] .scene--3,
.hero-anim[data-locked="4"] .scene--4 { opacity: 1; transform: none; }
.hero-anim[data-locked="1"] .ctr--1,
.hero-anim[data-locked="2"] .ctr--2,
.hero-anim[data-locked="3"] .ctr--3,
.hero-anim[data-locked="4"] .ctr--4 { opacity: 1; transform: none; }
.hero-anim[data-locked] .scene__verticals li.on { color: #fff; }
.hero-anim[data-locked="1"] .hero-anim__chapter--1,
.hero-anim[data-locked="2"] .hero-anim__chapter--2,
.hero-anim[data-locked="3"] .hero-anim__chapter--3,
.hero-anim[data-locked="4"] .hero-anim__chapter--4 { color: #fff; }
.hero-anim[data-locked="1"] .hero-anim__chapter--1::after,
.hero-anim[data-locked="2"] .hero-anim__chapter--2::after,
.hero-anim[data-locked="3"] .hero-anim__chapter--3::after,
.hero-anim[data-locked="4"] .hero-anim__chapter--4::after { width: calc(100% - 44px); background: var(--oak); opacity: 1; }
.hero-anim[data-locked="1"] .hero-anim__chapter--1,
.hero-anim[data-locked="2"] .hero-anim__chapter--2,
.hero-anim[data-locked="3"] .hero-anim__chapter--3,
.hero-anim[data-locked="4"] .hero-anim__chapter--4 { background: rgba(199,155,106,0.10); border-color: rgba(199,155,106,0.45); }

/* ───── CTA row under lede ───── */
.hero-anim__ctas {
  display: flex; gap: 12px; flex-wrap: wrap;
  margin-top: clamp(22px, 2.4vw, 32px);
  opacity: 0;
  animation: wordIn 1s 1.8s cubic-bezier(.2,.7,.2,1) forwards;
}
.hero-anim__cta {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 24px;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.22em;
  text-transform: uppercase; color: #fff; text-decoration: none;
  border: 1px solid rgba(255,255,255,0.28);
  background: rgba(255,255,255,0.06);
  border-radius: 999px;
  transition: background .3s ease, border-color .3s ease, transform .3s ease;
}
.hero-anim__cta:hover { background: rgba(255,255,255,0.14); border-color: rgba(255,255,255,0.5); transform: translateY(-1px); }
.hero-anim__cta--primary { background: var(--oak); border-color: var(--oak); color: #0b0b0c; }
.hero-anim__cta--primary:hover { background: #d9ae7e; border-color: #d9ae7e; }

/* ───── Responsive ───── */
@media (max-width: 960px) {
  .hero-anim { height: auto; min-height: 100vh; max-height: none; }
  .hero-anim__main { grid-template-columns: 1fr; gap: 28px; }
  .hero-anim__card { min-height: 220px; }
  .hero-anim__bottom { grid-template-columns: repeat(4, minmax(120px, 1fr)); overflow-x: auto; }
}
@media (max-width: 640px) {
  .hero-anim__top { padding: 18px 20px; }
  .hero-anim__main { padding: 0 20px 32px; }
  .hero-anim__bottom { padding: 14px 20px 18px; }
  .scene__verticals { grid-template-columns: 1fr 1fr; gap: 6px 16px; }
  .hero-anim__chapter strong { font-size: 16px; }
}

/* ───── Reduced motion ───── */
@media (prefers-reduced-motion: reduce) {
  .hero-anim__bg,
  .scene,
  .hero-anim__counter .ctr,
  .hero-anim__chapter::after,
  .scene__verticals li.on,
  .hero-anim__title .w,
  .hero-anim__lede,
  .hero-anim__ctas {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
  .hero-anim__bg--4 { opacity: 1; }
  .scene--4 { opacity: 1; }
}