/* ============================================================
   AquaTornado Technologies — Investor Pitch
   Brand: #34D7D2 (aqua) · #76A7B2 (steel) · dark theme
   ============================================================ */

:root {
  --aqua: #34d7d2;
  --aqua-deep: #1ba8a4;
  --steel: #76a7b2;
  --ink-0: #04141a;          /* deepest bg */
  --ink-1: #07191f;
  --ink-2: #0b2731;
  --line: rgba(118, 167, 178, 0.18);
  --line-strong: rgba(52, 215, 210, 0.35);
  --txt: #e8f6f7;
  --txt-mut: #9bbfc6;
  --txt-dim: #6f96a0;
  --glass: rgba(255, 255, 255, 0.035);
  --glass-2: rgba(52, 215, 210, 0.06);
  --shadow: 0 30px 80px -30px rgba(0, 0, 0, 0.8);
  --r-lg: 22px;
  --r-md: 16px;
  --r-sm: 10px;
  --maxw: 1180px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "Inter", system-ui, sans-serif;
  background: var(--ink-0);
  color: var(--txt);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4, .font-display {
  font-family: "Outfit", "Inter", sans-serif;
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.02em;
}

::selection { background: var(--aqua); color: var(--ink-0); }

a { color: inherit; text-decoration: none; }

/* ============================================================
   SCROLL CONTAINER / SLIDES
   ============================================================ */
.deck {
  height: 100vh;
  overflow-y: scroll;
  scroll-snap-type: y mandatory;
  scroll-behavior: smooth;
  scrollbar-width: none;
}
.deck::-webkit-scrollbar { display: none; }

.slide {
  position: relative;
  min-height: 100vh;
  scroll-snap-align: start;
  scroll-snap-stop: always;
  display: flex;
  align-items: center;
  padding: 96px clamp(20px, 6vw, 90px) 88px;
  overflow: hidden;
}
.slide__inner {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

/* alternating subtle bg tints */
.slide:nth-child(even) { background: linear-gradient(180deg, var(--ink-1), var(--ink-0)); }
.slide:nth-child(odd)  { background: linear-gradient(180deg, var(--ink-0), var(--ink-1)); }

/* glow accents per slide */
.slide::before {
  content: "";
  position: absolute;
  width: 60vw; height: 60vw;
  max-width: 720px; max-height: 720px;
  top: -20%; right: -10%;
  background: radial-gradient(circle, rgba(52, 215, 210, 0.12), transparent 62%);
  filter: blur(20px);
  pointer-events: none;
  z-index: 0;
}
.slide:nth-child(even)::before { left: -12%; right: auto; top: auto; bottom: -22%;
  background: radial-gradient(circle, rgba(118, 167, 178, 0.12), transparent 62%); }

/* ============================================================
   TYPOGRAPHY HELPERS
   ============================================================ */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--aqua);
  margin-bottom: 22px;
}
.eyebrow::before {
  content: "";
  width: 26px; height: 1px;
  background: linear-gradient(90deg, var(--aqua), transparent);
}
.eyebrow .num {
  color: var(--txt-dim);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.1em;
}

h2.title {
  font-size: clamp(30px, 4.4vw, 56px);
  margin-bottom: 20px;
  max-width: 17ch;
}
.lead {
  font-size: clamp(16px, 1.5vw, 20px);
  color: var(--txt-mut);
  max-width: 62ch;
  font-weight: 400;
}
.text-aqua { color: var(--aqua); }
.text-steel { color: var(--steel); }
strong { color: var(--txt); font-weight: 600; }
.muted { color: var(--txt-mut); }

/* ============================================================
   PROGRESS + NAV
   ============================================================ */
.topbar {
  position: fixed; top: 0; left: 0; right: 0;
  height: 64px; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 clamp(20px, 5vw, 54px);
  background: linear-gradient(180deg, rgba(4,20,26,0.85), transparent);
  backdrop-filter: blur(6px);
  pointer-events: none;
}
.topbar img { height: 26px; pointer-events: auto; }
.topbar__tag {
  font-size: 12px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--txt-dim); font-weight: 600;
}
.progress {
  position: fixed; top: 0; left: 0; height: 3px; z-index: 60;
  background: linear-gradient(90deg, var(--steel), var(--aqua));
  width: 0%;
  box-shadow: 0 0 18px var(--aqua);
  transition: width 0.15s linear;
}

/* dot nav */
.dots {
  position: fixed; right: 22px; top: 50%; transform: translateY(-50%);
  z-index: 50; display: flex; flex-direction: column; gap: 12px;
}
.dots button {
  width: 9px; height: 9px; border-radius: 50%; border: 0;
  background: rgba(155, 191, 198, 0.28); cursor: pointer; padding: 0;
  transition: all 0.3s var(--ease); position: relative;
}
.dots button:hover { background: var(--steel); transform: scale(1.3); }
.dots button.active { background: var(--aqua); box-shadow: 0 0 12px var(--aqua); height: 24px; border-radius: 6px; }
.dots button span {
  position: absolute; right: 20px; top: 50%; transform: translateY(-50%);
  white-space: nowrap; font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--txt-mut); background: var(--ink-2); padding: 4px 9px; border-radius: 6px;
  border: 1px solid var(--line); opacity: 0; pointer-events: none; transition: opacity 0.2s;
}
.dots button:hover span { opacity: 1; }

.navhint {
  position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%);
  z-index: 50; font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--txt-dim); display: flex; gap: 14px; align-items: center;
  background: rgba(7,25,31,0.7); padding: 7px 16px; border-radius: 999px;
  border: 1px solid var(--line); backdrop-filter: blur(8px);
}
.navhint kbd {
  font-family: inherit; background: var(--glass-2); border: 1px solid var(--line);
  border-radius: 5px; padding: 1px 7px; color: var(--txt-mut); font-size: 11px;
}

@media (max-width: 820px) {
  .dots { display: none; }
  .navhint { display: none; }
}

/* ============================================================
   MOBILE — let dense slides grow & scroll instead of clipping
   ============================================================ */
@media (max-width: 820px) {
  .deck { scroll-snap-type: y proximity; }
  .slide {
    min-height: 100svh; height: auto;
    align-items: flex-start;
    overflow: visible;
    scroll-snap-stop: normal;
    padding: 88px 20px 64px;
  }
  #hero { align-items: center; }
  .slide::before, .slide:nth-child(even)::before {
    max-width: 360px; max-height: 360px; filter: blur(30px);
  }
  .scrollcue { display: none; }

  h2.title { font-size: clamp(27px, 7.6vw, 38px); margin-bottom: 16px; }
  .lead { font-size: 15.5px; }
  .eyebrow { margin-bottom: 16px; }

  /* tighter cards / stats on phones */
  .grid { gap: 14px; }
  .card { padding: 22px 20px; }
  .stats { gap: 12px; }
  .stat { flex: 1 1 calc(50% - 6px); }
  .stat .v { font-size: 26px; }

  /* charts: a touch shorter, full width stacked */
  .chart-box, .chart-box.tall { height: 230px; }

  /* business-model price cards + timeline already stack via cols-3 */
  .pillar .price { font-size: 30px; }

  /* market rings: cap size so they don't dominate */
  .rings { max-width: 320px; }

  /* hero headline a bit smaller on the narrowest phones */
  .hero h1 { font-size: clamp(30px, 8.6vw, 46px); }
  .hero .sub { font-size: 16px; }
}

@media (max-width: 400px) {
  .stat { flex: 1 1 100%; }
  .hero h1 { font-size: 30px; }
}

/* ============================================================
   REVEAL ANIMATION
   ============================================================ */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.slide.in .reveal { opacity: 1; transform: none; }
.slide.in .reveal:nth-child(2) { transition-delay: 0.06s; }
[data-d="1"] { transition-delay: 0.08s; }
[data-d="2"] { transition-delay: 0.16s; }
[data-d="3"] { transition-delay: 0.24s; }
[data-d="4"] { transition-delay: 0.32s; }
[data-d="5"] { transition-delay: 0.40s; }
[data-d="6"] { transition-delay: 0.48s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; }
  .spin, .bubble, .float { animation: none !important; }
}

/* ============================================================
   HERO
   ============================================================ */
#hero { background: radial-gradient(120% 120% at 70% 10%, #0c2a33 0%, var(--ink-0) 55%); }
#hero::before { display: none; }

.hero-swirl {
  position: absolute; top: 50%; left: 62%; transform: translate(-50%, -50%);
  width: min(125vh, 1150px); aspect-ratio: 1; opacity: 0.16;
  pointer-events: none; z-index: 0;
}
.hero-swirl img { width: 100%; height: 100%; animation: spin 60s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.hero-grid-glow {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(circle at 78% 60%, rgba(52,215,210,0.18), transparent 40%),
    radial-gradient(circle at 12% 18%, rgba(118,167,178,0.14), transparent 45%);
}

.hero-content { max-width: 760px; position: relative; z-index: 3; }
.hero-logo { height: clamp(60px, 9vw, 104px); width: auto; margin-bottom: 38px; filter: drop-shadow(0 8px 30px rgba(0,0,0,0.5)); }
.hero h1 {
  font-size: clamp(36px, 5.2vw, 72px);
  line-height: 1.06;
  margin-bottom: 30px;
  letter-spacing: -0.03em;
}
.hero h1 .grad {
  background: linear-gradient(100deg, var(--aqua) 0%, #7ff0ec 50%, var(--aqua) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  text-shadow: 0 0 40px rgba(52, 215, 210, 0.25);
}
.hero .sub { font-size: clamp(17px, 1.9vw, 23px); line-height: 1.55; color: var(--txt-mut); max-width: 54ch; margin-bottom: 42px; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 14px 34px; align-items: center; }
.pill {
  display: inline-flex; align-items: center; gap: 9px;
  border: 1px solid var(--line-strong); border-radius: 999px;
  padding: 9px 18px; font-size: 13px; font-weight: 600; letter-spacing: 0.04em;
  color: var(--txt); background: var(--glass-2);
}
.pill .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--aqua); box-shadow: 0 0 10px var(--aqua); animation: pulse 2.4s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.35; } }

.scrollcue {
  position: absolute; bottom: 34px; left: 50%; transform: translateX(-50%); z-index: 5;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: var(--txt-dim); font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase;
}
.scrollcue .mouse {
  width: 22px; height: 36px; border: 1.5px solid var(--line-strong); border-radius: 12px; position: relative;
}
.scrollcue .mouse::after {
  content: ""; position: absolute; top: 7px; left: 50%; transform: translateX(-50%);
  width: 3px; height: 7px; border-radius: 2px; background: var(--aqua);
  animation: wheel 1.8s infinite;
}
@keyframes wheel { 0% { opacity: 1; top: 7px; } 60% { opacity: 0; top: 17px; } 100% { opacity: 0; } }

/* floating bubbles */
.bubbles { position: absolute; inset: 0; z-index: 1; pointer-events: none; }
.bubble {
  position: absolute; bottom: -40px; border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.5), rgba(52,215,210,0.06) 60%, transparent);
  border: 1px solid rgba(52,215,210,0.18);
  animation: rise linear infinite;
}
@keyframes rise {
  0% { transform: translateY(0) translateX(0); opacity: 0; }
  10% { opacity: 0.7; }
  90% { opacity: 0.5; }
  100% { transform: translateY(-105vh) translateX(40px); opacity: 0; }
}

/* ============================================================
   GENERIC GRID + CARDS
   ============================================================ */
.grid { display: grid; gap: 20px; }
.cols-2 { grid-template-columns: repeat(2, 1fr); }
.cols-3 { grid-template-columns: repeat(3, 1fr); }
.cols-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) {
  .cols-2, .cols-3, .cols-4 { grid-template-columns: 1fr; }
}

.card {
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 26px 24px;
  backdrop-filter: blur(8px);
  transition: transform 0.4s var(--ease), border-color 0.4s, background 0.4s;
}
.card:hover { transform: translateY(-5px); border-color: var(--line-strong); background: var(--glass-2); }
.card .ic {
  width: 42px; height: 42px; border-radius: 11px; display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(52,215,210,0.18), rgba(118,167,178,0.1));
  border: 1px solid var(--line-strong); margin-bottom: 16px; color: var(--aqua);
}
.card .ic svg { width: 22px; height: 22px; }
.card h3 { font-size: 18px; margin-bottom: 9px; }
.card p { font-size: 14.5px; color: var(--txt-mut); }
.card .big { font-family: "Outfit"; font-size: 30px; font-weight: 700; color: var(--aqua); letter-spacing: -0.02em; }

.split { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(28px, 5vw, 64px); align-items: center; }
@media (max-width: 980px) { .split { grid-template-columns: 1fr; gap: 32px; } }

/* stat row */
.stats { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.stat {
  flex: 1 1 150px; padding: 18px 20px; border-radius: var(--r-md);
  background: var(--glass); border: 1px solid var(--line);
}
.stat .v { font-family: "Outfit"; font-size: clamp(26px, 3vw, 38px); font-weight: 700; color: var(--aqua); letter-spacing: -0.02em; line-height: 1; }
.stat .l { font-size: 12.5px; color: var(--txt-mut); margin-top: 8px; letter-spacing: 0.02em; }

/* media frame */
.media {
  position: relative; border-radius: var(--r-lg); overflow: hidden;
  border: 1px solid var(--line-strong); box-shadow: var(--shadow);
}
.media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.media::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(4,20,26,0.55));
}
.media .badge {
  position: absolute; left: 16px; bottom: 16px; z-index: 2;
  font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--txt);
  background: rgba(4,20,26,0.6); border: 1px solid var(--line-strong);
  padding: 7px 13px; border-radius: 999px; backdrop-filter: blur(6px);
}

/* checklist */
.check { list-style: none; display: grid; gap: 14px; }
.check li { display: flex; gap: 13px; font-size: 15px; color: var(--txt-mut); }
.check li b { color: var(--txt); font-weight: 600; }
.check svg { flex: none; width: 21px; height: 21px; color: var(--aqua); margin-top: 2px; }

/* ============================================================
   SECTION-SPECIFIC
   ============================================================ */
/* Why-now converging */
.trend { position: relative; overflow: hidden; }
.trend .tag { font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--steel); font-weight: 700; margin-bottom: 12px; }

/* TAM/SAM/SOM */
.tamwrap { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(24px,4vw,56px); align-items: center; }
@media (max-width: 980px){ .tamwrap { grid-template-columns: 1fr; } }
.rings { position: relative; aspect-ratio: 1; max-width: 440px; margin: 0 auto; width: 100%; }
.ring {
  position: absolute; border-radius: 50%; display: flex; align-items: flex-start; justify-content: center;
  border: 1px solid var(--line-strong); text-align: center; padding-top: 14px;
}
.ring.tam { inset: 0; background: radial-gradient(circle, rgba(118,167,178,0.06), rgba(52,215,210,0.03)); }
.ring.sam { inset: 22%; background: rgba(52,215,210,0.07); }
.ring.som { inset: 44%; background: rgba(52,215,210,0.16); border-color: var(--aqua); }
.ring .rk { font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--txt-mut); }
.ring .rv { font-family: "Outfit"; font-weight: 700; color: var(--txt); font-size: clamp(13px,1.6vw,18px); margin-top: 3px; }
.ring.som .rv { color: var(--aqua); }

/* competitive matrix */
.matrix {
  position: relative; aspect-ratio: 1.25; max-width: 560px; width: 100%; margin: 0 auto;
  border-left: 1.5px solid var(--line); border-bottom: 1.5px solid var(--line);
  background:
    linear-gradient(180deg, transparent 49.5%, var(--line) 49.5%, var(--line) 50.5%, transparent 50.5%),
    linear-gradient(90deg, transparent 49.5%, var(--line) 49.5%, var(--line) 50.5%, transparent 50.5%);
}
.matrix .axis { position: absolute; font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--txt-dim); }
.matrix .axis.x { bottom: -26px; right: 0; }
.matrix .axis.x.l { left: 0; right: auto; }
.matrix .axis.y { top: 0; left: -12px; transform: rotate(-90deg); transform-origin: left top; }
.matrix .axis.y.b { top: auto; bottom: 0; }
.dotc { position: absolute; transform: translate(-50%, 50%); }
.dotc i { width: 10px; height: 10px; border-radius: 50%; background: var(--txt-dim); display: block; margin: 0 auto 6px; }
.dotc span { font-size: 11.5px; color: var(--txt-dim); white-space: nowrap; }
.dotc.aqt i { width: 16px; height: 16px; background: var(--aqua); box-shadow: 0 0 22px var(--aqua); }
.dotc.aqt span { color: var(--aqua); font-weight: 700; font-size: 13px; }

/* business model pillars */
.pillar { position: relative; }
.pillar .price { font-family: "Outfit"; font-size: 34px; font-weight: 700; color: var(--aqua); letter-spacing: -0.02em; }
.pillar .price small { font-size: 15px; color: var(--txt-mut); font-weight: 500; }

/* timeline */
.timeline { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; position: relative; margin-top: 12px; }
@media (max-width: 900px){ .timeline { grid-template-columns: 1fr; } }
.phase { background: var(--glass); border: 1px solid var(--line); border-radius: var(--r-md); padding: 24px 22px; position: relative; }
.phase::before {
  content: ""; position: absolute; top: 0; left: 22px; right: 22px; height: 2px;
  background: linear-gradient(90deg, var(--aqua), transparent);
}
.phase .ph { font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--steel); font-weight: 700; }
.phase h3 { font-size: 19px; margin: 6px 0 4px; }
.phase .when { font-size: 12.5px; color: var(--aqua); margin-bottom: 12px; }
.phase p { font-size: 14px; color: var(--txt-mut); }

/* charts */
.chart-card { background: var(--glass); border: 1px solid var(--line); border-radius: var(--r-md); padding: 20px 22px 14px; }
.chart-card h3 { font-size: 15px; font-weight: 600; margin-bottom: 4px; }
.chart-card .ch-sub { font-size: 12px; color: var(--txt-dim); margin-bottom: 12px; }
.chart-box { position: relative; height: 210px; }
.chart-box.tall { height: 250px; }
@media (max-width: 900px){ .chart-box { height: 230px; } }

/* the ask use of funds */
.fund { display: grid; gap: 12px; }
.fund-row { display: grid; grid-template-columns: 1fr auto; gap: 14px; align-items: center; }
.fund-row .bar { height: 38px; border-radius: 9px; background: linear-gradient(90deg, var(--aqua-deep), var(--aqua)); display: flex; align-items: center; padding: 0 14px; font-size: 13.5px; font-weight: 600; color: var(--ink-0); min-width: 0; }
.fund-row .amt { font-family: "Outfit"; font-weight: 700; color: var(--txt); font-size: 15px; white-space: nowrap; }

.exit { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
@media (max-width: 760px){ .exit { grid-template-columns: 1fr; } }
.exit .e { padding: 22px 20px; border-radius: var(--r-md); border: 1px solid var(--line); background: var(--glass); text-align: center; }
.exit .e.feat { border-color: var(--aqua); background: var(--glass-2); }
.exit .e .lbl { font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--txt-mut); }
.exit .e .moic { font-family: "Outfit"; font-size: 44px; font-weight: 700; color: var(--aqua); letter-spacing: -0.03em; line-height: 1; margin: 8px 0 2px; }
.exit .e .irr { font-size: 13px; color: var(--txt-mut); }
.exit .e .mult { font-size: 12.5px; color: var(--txt-dim); margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--line); }

/* closing */
#close { background: radial-gradient(120% 120% at 30% 90%, #0c2a33 0%, var(--ink-0) 55%); }
.cities { display: flex; gap: 12px; flex-wrap: wrap; margin: 28px 0; }
.city {
  font-family: "Outfit"; font-weight: 600; font-size: clamp(20px,3vw,34px); letter-spacing: -0.01em;
  display: inline-flex; align-items: center; gap: 14px; color: var(--txt);
}
.city + .city::before { content: "•"; color: var(--aqua); margin-right: 14px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; margin-top: 30px; }
.btn {
  display: inline-flex; align-items: center; gap: 10px; padding: 15px 28px; border-radius: 999px;
  font-weight: 600; font-size: 15px; letter-spacing: 0.01em; cursor: pointer; transition: all 0.3s var(--ease);
  pointer-events: auto;
}
.btn-primary { background: linear-gradient(120deg, var(--aqua), var(--aqua-deep)); color: var(--ink-0); border: 0; }
.btn-primary:hover { box-shadow: 0 16px 40px -12px var(--aqua); transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--txt); border: 1px solid var(--line-strong); }
.btn-ghost:hover { background: var(--glass-2); }

.confidential {
  position: absolute; bottom: 14px; left: clamp(20px,6vw,90px); z-index: 3;
  font-size: 10.5px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--txt-dim);
}

/* numbered badge for slides */
.kicker-num { color: var(--txt-dim); font-variant-numeric: tabular-nums; }