/* ============================================================
   ERWAGO — Interactive Journey (keynote-style presentation deck)
   Full-screen scenes, navigated like a presentation.
   Relies on tokens, fonts, and .btn from style.css.
   ============================================================ */

html, body.deck { height: 100%; }
body.deck {
  margin: 0;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  overscroll-behavior: none;
}

.deck {
  position: fixed;
  inset: 0;
  overflow: hidden;
}

/* ambient brand background */
.deck::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse 50% 45% at 82% 18%, rgba(34, 121, 253, 0.08), transparent 60%),
    radial-gradient(ellipse 46% 50% at 12% 88%, rgba(124, 203, 255, 0.1), transparent 60%);
  pointer-events: none;
}

/* ---------- Top bar ---------- */
.deck-topbar {
  position: absolute;
  inset: 0 0 auto 0;
  z-index: 30;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(20px, 4vw, 48px);
}
.deck-topbar .brand img { height: 40px; width: auto; display: block; }
.deck-topbar .top-right { display: flex; align-items: center; gap: 18px; }
.deck-counter {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  color: var(--navy);
}
.deck-counter b { color: var(--blue); }
.deck-counter span { color: #B7C5DA; }
.deck-exit {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--muted);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 9px 18px;
  transition: all 0.25s var(--ease);
}
.deck-exit:hover { color: var(--blue); border-color: var(--blue); }

/* top progress line */
.deck-progress {
  position: absolute;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  z-index: 31;
  transition: width 0.6s var(--ease);
}

/* ---------- Stage & slides ---------- */
.deck-stage { position: absolute; inset: 0; z-index: 10; }
.deck-slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 82px clamp(24px, 6vw, 110px) 100px;
  opacity: 0;
  transform: translateX(100%);
  transition: transform 0.75s var(--ease), opacity 0.6s var(--ease);
  pointer-events: none;
  overflow-y: auto;
}
.deck-slide.past { transform: translateX(-100%); }
.deck-slide.active { opacity: 1; transform: translateX(0); pointer-events: auto; }

.slide-inner {
  position: relative;
  margin: auto; /* centers when it fits, scrolls from top when it overflows */
  width: min(1160px, 100%);
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
}
.slide-inner.solo { grid-template-columns: 1fr; text-align: center; max-width: 900px; }
.slide-inner.solo .slide-copy { align-items: center; }

/* big faint index watermark */
.slide-index {
  position: absolute;
  top: -78px; right: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(6rem, 14vw, 13rem);
  line-height: 0.8;
  color: var(--soft-blue);
  opacity: 0.5;
  z-index: -1;
  pointer-events: none;
  user-select: none;
}

.slide-copy { display: flex; flex-direction: column; align-items: flex-start; }
.slide-copy .eyebrow { color: var(--blue); }
.slide-copy h2 { font-size: clamp(1.8rem, 3.8vw, 3.1rem); margin-bottom: 16px; }
.slide-copy h1 { font-size: clamp(2.4rem, 5.4vw, 4.2rem); margin-bottom: 16px; }
.slide-copy p { font-size: clamp(1rem, 1.4vw, 1.14rem); max-width: 540px; }
.slide-copy .actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 26px; }

.slide-visual { position: relative; display: grid; place-items: center; }
.slide-visual img {
  max-height: min(50vh, 460px);
  width: auto;
  max-width: 100%;
  filter: drop-shadow(0 34px 56px rgba(16, 24, 40, 0.16));
}
.slide-visual .glow {
  position: absolute;
  inset: 8% 4%;
  z-index: -1;
  border-radius: 50%;
  background: radial-gradient(ellipse at center, rgba(34, 121, 253, 0.16), rgba(124, 203, 255, 0.08) 50%, transparent 72%);
  filter: blur(28px);
}

/* staged content reveal when a slide becomes active */
.deck-slide .stagger {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}
.deck-slide.active .stagger { opacity: 1; transform: translateY(0); }
.deck-slide.active .stagger:nth-child(1) { transition-delay: 0.12s; }
.deck-slide.active .stagger:nth-child(2) { transition-delay: 0.22s; }
.deck-slide.active .stagger:nth-child(3) { transition-delay: 0.32s; }
.deck-slide.active .stagger:nth-child(4) { transition-delay: 0.42s; }
.deck-slide.active .stagger:nth-child(5) { transition-delay: 0.52s; }
.deck-slide.active .slide-visual { transition: opacity 0.7s var(--ease) 0.2s, transform 0.7s var(--ease) 0.2s; }
.deck-slide:not(.active) .slide-visual { opacity: 0; transform: scale(0.94); }

/* ---------- Mini content blocks used inside slides ---------- */
.mini-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 24px; width: 100%; }
.mini {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px;
  text-align: left;
  box-shadow: var(--shadow-sm);
}
.mini .mini-k { font-family: var(--font-head); font-size: 0.7rem; font-weight: 800; letter-spacing: 0.14em; color: var(--blue); }
.mini h4 { font-family: var(--font-head); margin: 6px 0 4px; font-size: 1rem; color: var(--navy); }
.mini p { font-size: 0.85rem; margin: 0; }

/* 3-layer approach */
.layers-mini { display: grid; gap: 12px; width: 100%; max-width: 460px; }
.layer-mini {
  display: grid; grid-template-columns: 46px 1fr; gap: 16px; align-items: center;
  background: var(--white);
  border: 1px solid var(--line);
  border-left: 4px solid var(--blue);
  border-radius: 12px;
  padding: 16px 20px;
  box-shadow: var(--shadow-sm);
}
.layer-mini b { font-family: var(--font-head); font-size: 1.3rem; color: var(--blue); }
.layer-mini h4 { margin: 0; font-family: var(--font-head); font-size: 1.02rem; color: var(--navy); }
.layer-mini p { margin: 2px 0 0; font-size: 0.85rem; }

/* offer bullet list */
.slide-copy ul { list-style: none; padding: 0; margin: 18px 0 4px; display: grid; gap: 10px; }
.slide-copy li { display: flex; gap: 10px; font-size: 0.98rem; color: var(--muted); }
.slide-copy li::before { content: "→"; color: var(--blue); font-weight: 700; }

/* process steps */
.steps-mini { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; width: 100%; }
.step-mini { background: var(--white); border: 1px solid var(--line); border-radius: 14px; padding: 18px 20px; box-shadow: var(--shadow-sm); }
.step-mini .n {
  display: inline-grid; place-items: center;
  width: 34px; height: 34px; border-radius: 10px;
  background: var(--blue); color: #fff;
  font-family: var(--font-head); font-weight: 800; font-size: 0.85rem;
  margin-bottom: 10px;
}
.step-mini h4 { margin: 0 0 4px; font-family: var(--font-head); color: var(--navy); font-size: 1rem; }
.step-mini p { margin: 0; font-size: 0.85rem; }

/* proof bars in deck */
.deck-proof { width: 100%; max-width: 520px; display: grid; gap: 18px; margin-top: 8px; }
.deck-proof .pr { display: grid; gap: 7px; }
.deck-proof .pr .lbl { display: flex; justify-content: space-between; font-family: var(--font-head); font-weight: 700; font-size: 0.92rem; color: var(--navy); }
.deck-proof .pr .lbl b { color: var(--blue); }
.deck-proof .bar { height: 9px; border-radius: 6px; background: var(--soft-blue); overflow: hidden; }
.deck-proof .bar i { display: block; height: 100%; width: 0; border-radius: 6px; background: linear-gradient(90deg, var(--blue), var(--cyan)); transition: width 1.3s var(--ease); }

/* value chips */
.value-chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.value-chips span {
  font-family: var(--font-head); font-weight: 700; font-size: 0.84rem;
  color: var(--navy); background: var(--soft); border: 1px solid var(--line);
  border-radius: 999px; padding: 8px 16px;
}

/* testimonial */
.deck-quote {
  background: var(--white); border: 1px solid var(--line); border-radius: 20px;
  padding: clamp(26px, 4vw, 44px); box-shadow: var(--shadow-md); max-width: 560px;
}
.deck-quote blockquote { margin: 0 0 20px; font-family: var(--font-head); font-weight: 700; font-size: clamp(1.2rem, 2vw, 1.6rem); color: var(--navy); line-height: 1.4; }
.deck-quote blockquote::before { content: "“"; color: var(--blue); font-size: 2rem; line-height: 0; vertical-align: -12px; margin-right: 4px; }
.deck-quote .who { display: flex; align-items: center; gap: 12px; }
.deck-quote .avatar { width: 46px; height: 46px; border-radius: 50%; display: grid; place-items: center; font-family: var(--font-head); font-weight: 800; color: #fff; background: linear-gradient(140deg, var(--blue), var(--cyan)); }
.deck-quote .who b { font-family: var(--font-head); color: var(--navy); display: block; font-size: 0.95rem; }
.deck-quote .who span { font-size: 0.82rem; color: var(--muted); }

/* two-door CTA */
.deck-doors { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; width: 100%; max-width: 700px; margin: 28px auto 0; }
.deck-door { background: var(--white); border: 1px solid var(--line); border-radius: 16px; padding: 26px; text-align: left; box-shadow: var(--shadow-sm); transition: all 0.3s var(--ease); }
.deck-door:hover { transform: translateY(-4px); border-color: var(--blue); box-shadow: var(--shadow-blue); }
.deck-door .k { font-family: var(--font-head); font-size: 0.72rem; font-weight: 800; letter-spacing: 0.14em; color: var(--blue); }
.deck-door h4 { font-family: var(--font-head); color: var(--navy); margin: 8px 0 8px; font-size: 1.15rem; }
.deck-door p { font-size: 0.88rem; margin: 0 0 16px; }

/* cover slide */
.cover { text-align: center; }
.cover .cover-logo { height: clamp(54px, 7vw, 78px); width: auto; margin: 0 auto 22px; }
.cover h1 { font-size: clamp(2.4rem, 6.4vw, 4.6rem); }
.cover .hint { margin-top: 28px; font-family: var(--font-head); font-weight: 700; font-size: 0.76rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted); display: flex; align-items: center; justify-content: center; gap: 10px; }
.cover .hint kbd {
  font-family: var(--font-head); font-size: 0.72rem; background: var(--white);
  border: 1px solid var(--line); border-bottom-width: 2px; border-radius: 6px; padding: 3px 8px; color: var(--navy);
}

/* ---------- Bottom navigation ---------- */
.deck-nav {
  position: absolute;
  inset: auto 0 0 0;
  z-index: 30;
  height: 96px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(14px, 3vw, 30px);
  padding: 0 clamp(20px, 4vw, 48px);
}
.deck-arrow {
  flex: 0 0 auto;
  width: 50px; height: 50px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: var(--white);
  border: 1px solid var(--line);
  color: var(--navy);
  cursor: pointer;
  font-size: 1.2rem;
  transition: all 0.25s var(--ease);
}
.deck-arrow:hover:not(:disabled) { background: var(--blue); color: #fff; border-color: var(--blue); transform: translateY(-2px); box-shadow: var(--shadow-blue); }
.deck-arrow:disabled { opacity: 0.35; cursor: default; }

.deck-dots { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; justify-content: center; max-width: 60vw; }
.deck-dot {
  position: relative;
  width: 11px; height: 11px;
  border-radius: 50%;
  background: var(--soft-blue);
  border: 0;
  cursor: pointer;
  transition: all 0.3s var(--ease);
}
.deck-dot:hover { background: #B7C5DA; transform: scale(1.2); }
.deck-dot.active { background: var(--blue); width: 30px; border-radius: 6px; }
.deck-dot .tip {
  position: absolute;
  bottom: 24px; left: 50%;
  transform: translateX(-50%) translateY(4px);
  white-space: nowrap;
  font-family: var(--font-head); font-weight: 700; font-size: 0.7rem;
  color: var(--navy); background: var(--white);
  border: 1px solid var(--line); border-radius: 8px;
  padding: 5px 10px;
  opacity: 0; pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
  box-shadow: var(--shadow-sm);
}
.deck-dot:hover .tip { opacity: 1; transform: translateX(-50%) translateY(0); }

.deck-play {
  flex: 0 0 auto;
  width: 44px; height: 44px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: var(--white);
  border: 1px solid var(--line);
  color: var(--blue);
  cursor: pointer;
  transition: all 0.25s var(--ease);
}
.deck-play:hover { border-color: var(--blue); }
.deck-play.playing { background: var(--blue); color: #fff; border-color: var(--blue); }

/* ---------- Glowing leading string (transition beam) ---------- */
.deck-beam {
  position: fixed;
  left: 0; right: 0; top: 50%;
  height: 2px;
  transform: translateY(-50%) scaleX(0);
  transform-origin: left center;
  background: linear-gradient(90deg, transparent, var(--blue), var(--cyan), transparent);
  box-shadow: 0 0 20px rgba(34, 121, 253, 0.7);
  opacity: 0;
  z-index: 28;
  pointer-events: none;
}
.deck-beam.sweep-next { animation: beamNext 0.7s var(--ease); }
.deck-beam.sweep-prev { animation: beamPrev 0.7s var(--ease); }
@keyframes beamNext {
  0% { opacity: 0; transform-origin: left center; transform: translateY(-50%) scaleX(0); }
  35% { opacity: 1; }
  100% { opacity: 0; transform-origin: left center; transform: translateY(-50%) scaleX(1); }
}
@keyframes beamPrev {
  0% { opacity: 0; transform-origin: right center; transform: translateY(-50%) scaleX(0); }
  35% { opacity: 1; }
  100% { opacity: 0; transform-origin: right center; transform: translateY(-50%) scaleX(1); }
}

/* connecting glowing thread through the dots */
.deck-dots { position: relative; }
.deck-dots::before {
  content: "";
  position: absolute;
  left: 6px; right: 6px; top: 50%;
  height: 2px; transform: translateY(-50%);
  background: var(--soft-blue);
  border-radius: 2px; z-index: -1;
}
.deck-dots::after {
  content: "";
  position: absolute;
  left: 6px; top: 50%;
  height: 2px; width: calc((100% - 12px) * var(--dotp, 0));
  transform: translateY(-50%);
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  box-shadow: 0 0 10px rgba(34, 121, 253, 0.6);
  border-radius: 2px; z-index: -1;
  transition: width 0.6s var(--ease);
}

/* grander slide-load: visual arrives with a glow burst */
.deck-slide.active .slide-visual img { animation: vizArrive 0.85s var(--ease) both; }
@keyframes vizArrive {
  0% { opacity: 0; transform: scale(0.78) translateY(24px); filter: blur(10px) drop-shadow(0 0 0 rgba(34,121,253,0)); }
  60% { opacity: 1; filter: blur(0) drop-shadow(0 30px 50px rgba(34,121,253,0.28)); }
  100% { opacity: 1; transform: scale(1) translateY(0); }
}
.deck-slide.active .slide-visual .glow { animation: glowFlash 1.1s var(--ease) both; }
@keyframes glowFlash {
  0% { opacity: 0; transform: scale(0.6); }
  50% { opacity: 1; transform: scale(1.1); }
  100% { opacity: 0.7; transform: scale(1); }
}

/* ---------- Presenter character ---------- */
.presenter {
  position: fixed;
  left: 0; bottom: 104px;
  width: 118px;
  z-index: 26;
  pointer-events: none;
  transform: translateX(50vw) scaleX(1);
  transition: transform 0.85s cubic-bezier(0.22, 1, 0.36, 1);
}
.presenter-float { animation: presenterBob 3.4s ease-in-out infinite; transform-origin: center bottom; }
.presenter svg { width: 100%; height: auto; overflow: visible; }
.p-body { filter: drop-shadow(0 12px 22px rgba(34, 121, 253, 0.32)); }
.p-shadow { fill: rgba(34, 121, 253, 0.18); }
.p-antenna { stroke: #1857C4; stroke-width: 3; stroke-linecap: round; }
.p-tip { fill: var(--cyan); animation: tipGlow 1.6s ease-in-out infinite; }
.p-eye { transform-origin: center; animation: pBlink 4.2s infinite; }
.p-arm { transform-origin: 116px 65px; }
.presenter.gesture .p-arm { animation: pPoint 0.9s var(--ease); }
.presenter.gesture .presenter-float { animation: presenterHop 0.65s var(--ease); }
@keyframes presenterBob { 0%, 100% { transform: translateY(0) rotate(-1.5deg); } 50% { transform: translateY(-12px) rotate(1.5deg); } }
@keyframes presenterHop { 0% { transform: translateY(0); } 40% { transform: translateY(-24px); } 100% { transform: translateY(0); } }
@keyframes pPoint { 0%, 100% { transform: rotate(0); } 30% { transform: rotate(-24deg); } 65% { transform: rotate(10deg); } }
@keyframes pBlink { 0%, 92%, 100% { transform: scaleY(1); } 96% { transform: scaleY(0.1); } }
@keyframes tipGlow { 0%, 100% { opacity: 0.7; } 50% { opacity: 1; } }

/* ============================================================
   INFOGRAPHIC ROAD  (continuous glowing curve through slides)
   ============================================================ */
.slide-inner { z-index: 1; }
.deck-slide { --road: #2279FD; --roadglow: rgba(34, 121, 253, 0.5); --roaddot: #2279FD; }
.deck-slide.dark { --road: #7CCBFF; --roadglow: rgba(124, 203, 255, 0.55); --roaddot: #7CCBFF; }
.slide-road {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  z-index: 0;
  pointer-events: none;
  overflow: visible;
}
.road-line {
  fill: none;
  stroke: var(--road);
  stroke-width: 7;
  stroke-linecap: round;
  opacity: 0.42;
  filter: drop-shadow(0 0 9px var(--roadglow));
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
}
.deck-slide.active .road-line { animation: roadDraw 1.5s var(--ease) 0.15s forwards; }
@keyframes roadDraw { to { stroke-dashoffset: 0; } }
.road-glow { fill: none; stroke: var(--road); stroke-width: 26; opacity: 0.08; filter: blur(16px); }
.road-start, .road-comet { fill: var(--roaddot); filter: drop-shadow(0 0 8px var(--roadglow)); }
.road-comet { opacity: 0; }
.deck-slide.active .road-comet { opacity: 1; }
.road-arrow { fill: none; stroke: var(--roaddot); stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; opacity: 0.85; filter: drop-shadow(0 0 5px var(--roadglow)); }

/* ============================================================
   DARK SCENES  (alternating slides; light text on dark)
   ============================================================ */
.deck-slide.dark { background: linear-gradient(160deg, #0B1A38 0%, #06111F 100%); }
.deck-slide.dark .slide-copy h1,
.deck-slide.dark .slide-copy h2 { color: #FFFFFF; }
.deck-slide.dark .slide-copy p { color: rgba(231, 238, 248, 0.82); }
.deck-slide.dark .slide-copy li { color: rgba(231, 238, 248, 0.82); }
.deck-slide.dark .step-tag { color: var(--cyan); }
.deck-slide.dark .step-tag::before { background: var(--cyan); }
.deck-slide.dark .eyebrow { color: var(--cyan); }
.deck-slide.dark .eyebrow::before { background: var(--cyan); }
.deck-slide.dark .slide-index { color: rgba(124, 203, 255, 0.12); }
.deck-slide.dark .hint { color: rgba(231, 238, 248, 0.7); }
.deck-slide.dark .hint a { color: var(--cyan); }
.deck-slide.dark .hint kbd { background: rgba(255, 255, 255, 0.1); border-color: rgba(255, 255, 255, 0.25); color: #fff; }
/* white cards on dark read with strong contrast; value chips stay light */

/* topbar / brand adapt to the active scene */
.deck-topbar .brand .logo-white { display: none; }
.deck.on-dark .deck-topbar .brand .logo-blue { display: none; }
.deck.on-dark .deck-topbar .brand .logo-white { display: block; }
.deck.on-dark .deck-counter { color: #DCE8FF; }
.deck.on-dark .deck-counter b { color: var(--cyan); }
.deck.on-dark .deck-counter span { color: rgba(255, 255, 255, 0.4); }
.deck.on-dark .deck-exit { background: rgba(255, 255, 255, 0.08); color: #fff; border-color: rgba(255, 255, 255, 0.28); }
.deck.on-dark .deck-exit:hover { color: var(--cyan); border-color: var(--cyan); }

/* ---------- sequential one-by-one content reveal ---------- */
.deck-slide .appear {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.55s var(--ease), transform 0.55s var(--ease);
}
.deck-slide.active .appear { opacity: 1; transform: none; }

/* ---------- continuous "spark of current" through the road ---------- */
.road-current {
  fill: none;
  stroke: #E2F2FF;
  stroke-width: 3.5;
  stroke-linecap: round;
  stroke-dasharray: 9 340;
  opacity: 0;
  filter: drop-shadow(0 0 7px var(--roadglow)) drop-shadow(0 0 3px rgba(255, 255, 255, 0.9));
  animation: roadCurrent 2.6s linear infinite;
}
.deck-slide.active .road-current { opacity: 0.95; }
@keyframes roadCurrent { to { stroke-dashoffset: -349; } }

/* ---------- slide image rotors (gentle rotation, alternating direction) ---------- */
.viz-rotor { display: inline-block; transform-origin: center; will-change: transform; }
.viz-rotor.cw { animation: vizSway 7s ease-in-out infinite; }
.viz-rotor.ccw { animation: vizSway 7s ease-in-out infinite reverse; }
@keyframes vizSway { 0% { transform: rotate(-9deg); } 50% { transform: rotate(9deg); } 100% { transform: rotate(-9deg); } }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .presenter { display: none; }
  .deck-slide { padding: 84px 22px 110px; place-items: start center; }
  .slide-inner, .slide-inner.solo { grid-template-columns: 1fr; gap: 26px; text-align: left; }
  .slide-inner .slide-copy { align-items: flex-start; order: 2; }
  .slide-inner .slide-visual { order: 1; }
  .slide-inner.solo .slide-copy { align-items: center; text-align: center; }
  .slide-visual img { max-height: 34vh; }
  .slide-index { top: -54px; font-size: 7rem; }
  .mini-row, .steps-mini, .deck-doors { grid-template-columns: 1fr; }
  .deck-dots { max-width: 44vw; gap: 7px; }
  .deck-dot .tip { display: none; }
  .deck-arrow { width: 44px; height: 44px; }
  .deck-counter { font-size: 0.8rem; }
}