/* ==========================================================================
   Group Architect Summit 2026 — S9 Knowledge Transfer Gap — Group #2
   Custom reveal.js theme
   ========================================================================== */

:root {
  --bg:        #0A0E1A;
  --bg-2:      #10172A;
  --ink:       #EDF1F8;
  --ink-2:     #A9B6CC;
  --ink-3:     #6F7E99;
  --line:      rgba(255,255,255,.09);
  --line-2:    rgba(255,255,255,.16);
  --card:      rgba(255,255,255,.035);
  --card-2:    rgba(255,255,255,.055);

  --amber:     #F5A524;
  --orange:    #F2751F;
  --red:       #DC3B3B;
  --violet:    #7A6AD8;
  --teal:      #2DD4BF;

  --r-lg: 18px;
  --r-md: 13px;
  --r-sm: 8px;

  --font-display: 'Space Grotesk', ui-sans-serif, system-ui, sans-serif;
  --font-body: 'Inter', ui-sans-serif, system-ui, -apple-system, sans-serif;
}

html, body { background: var(--bg); }

.reveal {
  font-family: var(--font-body);
  font-size: 30px;
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
}

.reveal-viewport {
  background:
    radial-gradient(900px 620px at 84% -8%, rgba(242,117,31,.17), transparent 62%),
    radial-gradient(760px 560px at 6% 104%, rgba(122,106,216,.16), transparent 60%),
    radial-gradient(1100px 700px at 50% 50%, rgba(45,212,191,.05), transparent 70%),
    var(--bg);
}

/* faint engineering grid over everything */
.reveal-viewport::before {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.028) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(circle at 50% 42%, #000 0%, transparent 78%);
  -webkit-mask-image: radial-gradient(circle at 50% 42%, #000 0%, transparent 78%);
}

.reveal .slides { text-align: left; }

/* reveal.js sets `display:block` on the active slide with a higher-specificity
   selector, so the layout flex has to match that specificity to win. */
.reveal .slides > section.present,
.reveal .slides > section.past,
.reveal .slides > section.future {
  display: flex;
  flex-direction: column;
}
.reveal .slides > section {
  height: 100%;
  padding: 22px 26px 18px;
  gap: 16px;
  box-sizing: border-box;
}

.reveal h1, .reveal h2, .reveal h3, .reveal h4 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -.02em;
  text-transform: none;
  margin: 0;
  color: var(--ink);
  text-shadow: none;
  line-height: 1.08;
}

.reveal p { margin: 0; }
.reveal a { color: var(--amber); text-decoration: none; }
.reveal ul { list-style: none; margin: 0; padding: 0; }

/* ---------- shared atoms ---------------------------------------------- */

.eyebrow {
  font-family: var(--font-display);
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: .20em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.chip {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 5px 11px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: .04em;
  color: var(--ink-2);
  background: var(--card);
  white-space: nowrap;
}
.chip .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--amber); flex: none; }
.chip.hot   { color: #FFD9B0; border-color: rgba(242,117,31,.42); background: rgba(242,117,31,.12); }
.chip.hot .dot { background: var(--orange); }

.card {
  position: relative;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 13px 15px 14px;
  overflow: hidden;
}
.card::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
  background: var(--accent, var(--amber));
}
.card--learn { --accent: var(--amber);  }
.card--pattern { --accent: var(--violet); }
.card--cost  { --accent: var(--red);    }

.card h3 {
  font-size: 15px;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--accent, var(--amber));
  font-weight: 600;
  margin-bottom: 8px;
}

.card li {
  position: relative;
  padding-left: 18px;
  font-size: 19px;
  line-height: 1.35;
  color: var(--ink);
  margin-bottom: 10px;
  letter-spacing: -.005em;
}
.card li:last-child { margin-bottom: 0; }
.card li::before {
  content: ""; position: absolute; left: 0; top: .55em;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent, var(--amber)); opacity: .85;
}
.card li b, .card li strong { color: #fff; font-weight: 600; }
.card li em { color: var(--ink); font-style: italic; }

/* photos */
figure { margin: 0; }
.shot {
  display: block;
  border-radius: var(--r-md);
  border: 1px solid var(--line-2);
  box-shadow: 0 18px 40px -18px rgba(0,0,0,.85), 0 0 0 1px rgba(0,0,0,.35);
  filter: saturate(1.06) contrast(1.05);
  object-fit: cover;
  width: 100%;
  background: #1b2235;
}
.shot-cap {
  margin-top: 6px;
  font-size: 11.5px;
  letter-spacing: .05em;
  color: var(--ink-3);
  text-transform: uppercase;
  font-family: var(--font-display);
}
a.shot-link { display: block; transition: transform .25s ease; }
a.shot-link:hover { transform: translateY(-2px); }

/* slide header block */
.s-head { display: flex; flex-direction: column; gap: 5px; flex: none; }
.s-head h2 { font-size: 44px; }
.s-head .dek { font-size: 17px; color: var(--ink-2); max-width: 74ch; }

/* ---------- slide 1 : title ------------------------------------------- */

#title { justify-content: space-between; padding: 26px 30px 20px; }

.brandbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 18px; flex: none;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 13px; }
.brand svg { width: 108px; height: auto; display: block; }
.brand-txt { display: flex; flex-direction: column; gap: 2px; }
.brand-txt .t {
  font-family: var(--font-display); font-weight: 600;
  font-size: 15px; letter-spacing: -.01em; color: var(--ink);
}
.brand-txt .s { font-size: 11.5px; letter-spacing: .13em; text-transform: uppercase; color: var(--ink-3); }

.title-body {
  flex: 1;
  display: grid;
  grid-template-columns: 1.18fr .82fr;
  gap: 34px;
  align-items: center;
}

.title-tags { display: flex; gap: 8px; margin-bottom: 15px; }

#title h1 {
  font-size: 64px;
  font-weight: 700;
  letter-spacing: -.035em;
  background: linear-gradient(96deg, #FFFFFF 0%, #FFFFFF 42%, #FFD2A0 74%, #F2751F 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}

.q {
  margin-top: 22px;
  padding-left: 18px;
  border-left: 3px solid var(--orange);
  font-family: var(--font-display);
  font-size: 25px;
  line-height: 1.34;
  color: var(--ink);
  font-weight: 500;
}
.q span { color: var(--ink-3); }

.deliver {
  margin-top: 26px;
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px;
  border: 1px dashed rgba(45,212,191,.38);
  background: rgba(45,212,191,.07);
  border-radius: var(--r-md);
  font-size: 16px;
  color: var(--ink);
  max-width: 46ch;
}
.deliver b { color: var(--teal); font-weight: 600; letter-spacing: .05em; text-transform: uppercase; font-size: 11.5px; white-space: nowrap; }

.title-shot { position: relative; }
.title-shot .shot { transform: rotate(1.3deg); }
.title-shot::after {
  content: "";
  position: absolute; inset: -14px -14px auto auto;
  width: 78px; height: 78px;
  border-top: 2px solid rgba(242,117,31,.5);
  border-right: 2px solid rgba(242,117,31,.5);
  border-radius: 0 var(--r-lg) 0 0;
}

.footline {
  flex: none;
  display: flex; align-items: center; justify-content: space-between;
  gap: 14px;
  padding-top: 13px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--ink-3);
  font-family: var(--font-display);
}
.footline .r { display: flex; gap: 16px; }

/* ---------- slide 2 : findings ---------------------------------------- */

.find-grid {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 352px;
  gap: 18px;
  min-height: 0;
}
.find-cards { display: flex; flex-direction: column; gap: 11px; min-height: 0; }
.find-cards .card { flex: 1; display: flex; flex-direction: column; justify-content: center; }
.find-shot { display: flex; flex-direction: column; min-height: 0; }
.find-shot .shot-link { flex: 1; min-height: 0; }
.find-shot .shot { height: 100%; object-position: top center; }

.risk-band {
  flex: none;
  display: flex; align-items: center; gap: 16px;
  padding: 13px 17px;
  border-radius: var(--r-md);
  border: 1px solid rgba(220,59,59,.34);
  background: linear-gradient(90deg, rgba(220,59,59,.14), rgba(220,59,59,.04) 62%, transparent);
}
.risk-band .tag {
  font-family: var(--font-display);
  font-size: 11.5px; font-weight: 600; letter-spacing: .16em; text-transform: uppercase;
  color: #FF8A8A; white-space: nowrap; flex: none;
}
.risk-band p { font-size: 19px; line-height: 1.4; color: var(--ink); }
.risk-band p b { color: #FFC9C9; font-weight: 600; }

/* ---------- slide 3 : the plan ---------------------------------------- */

.pillars { flex: 0 0 auto; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; min-height: 0; }
.pillar { display: flex; flex-direction: column; padding: 15px 16px 16px; }
.pillar--1 { --accent: var(--amber); }
.pillar--2 { --accent: var(--teal); }
.pillar--3 { --accent: var(--violet); }

.pillar .num {
  font-family: var(--font-display);
  font-size: 11px; font-weight: 600; letter-spacing: .18em; text-transform: uppercase;
  color: var(--ink-3); margin-bottom: 9px;
}
.pillar h3 {
  font-size: 24px; text-transform: none; letter-spacing: -.015em;
  color: var(--ink); margin-bottom: 4px; font-weight: 600;
}
.pillar .sub { font-size: 14px; color: var(--accent); margin-bottom: 11px; font-weight: 500; letter-spacing: .02em; }
.pillar ul { margin-top: 3px; }
.pillar li { font-size: 19px; margin-bottom: 11px; }

.prio {
  display: inline-flex; align-items: center; justify-content: center;
  width: 17px; height: 17px; border-radius: 50%;
  border: 1px solid var(--accent, var(--amber));
  color: var(--accent, var(--amber));
  font-size: 10.5px; font-weight: 700;
  font-family: var(--font-display);
  margin-right: 6px; vertical-align: 1px;
}

.closing {
  flex: none;
  margin-top: auto;
  display: grid;
  grid-template-columns: 400px 1fr;
  gap: 24px;
  align-items: center;
  padding: 16px 20px;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: linear-gradient(100deg, rgba(245,165,36,.10), rgba(122,106,216,.08) 62%, transparent);
}
.closing .comic { line-height: 0; }
.closing .comic img {
  width: 400px; height: 264px; display: block;
  object-fit: cover; object-position: center;
}
.closing .say {
  font-family: var(--font-display);
  font-size: 37px; line-height: 1.2; font-weight: 600;
  letter-spacing: -.025em;
}
.closing .say b {
  background: linear-gradient(92deg, #FFD2A0, #F2751F);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 600;
}
.closing .note { margin-top: 12px; font-size: 18px; color: var(--ink-2); }
.closing .chips { margin-top: 22px; display: flex; flex-wrap: wrap; gap: 8px; }
.closing .chip { font-size: 15px; padding: 7px 15px; }

/* ---------- reveal chrome --------------------------------------------- */

.reveal .progress { color: var(--orange); height: 3px; }
.reveal .slide-number {
  font-family: var(--font-display);
  background: transparent;
  color: var(--ink-3);
  font-size: 13px;
  letter-spacing: .1em;
  right: 14px; bottom: 10px;
}
.reveal .controls { color: var(--ink-3); }

/* ---------- slide 4 : the strip, full bleed ---------------------------- */

.reveal .slides > section#strip { padding: 0; gap: 0; }
.reveal .slides > section#strip::after {
  content: "";
  position: absolute; inset: 0;
  pointer-events: none;
  box-shadow: inset 0 0 160px 40px rgba(10,14,26,.55);
}

@media print { .reveal-viewport::before { display: none; } }