*,*::before,*::after { box-sizing: border-box; }

:root {
  --c-text:    #1d1d1f;
  --c-text-2:  #6e6e73;
  --c-text-3:  #86868b;
  --c-text-4:  #aeaeb2;
  --c-accent:  #0071e3;
  --c-accent-s: rgba(0,113,227,0.07);
  --c-green:   #30d158;
  --c-red:     #ff453a;
  --c-orange:  #ff9f0a;
  --c-border:  rgba(0,0,0,0.05);
  --r: 14px;
  --ease: cubic-bezier(0.25, 0.1, 0.25, 1);
}

body {
  font-family: 'Inter', -apple-system, system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background: #000;
}

/* ━━━ REVEAL CORE ━━━ */
.reveal {
  font-family: 'Inter', -apple-system, system-ui, sans-serif;
  font-size: 24px;
  color: var(--c-text);
}
.reveal .slides { text-align: left; }
.reveal .slides > section {
  padding: 72px 88px 56px;
  height: 100%;
  display: flex !important;
  flex-direction: column;
}
.reveal h1, .reveal h2, .reveal h3, .reveal h4 {
  font-family: 'Inter', -apple-system, system-ui, sans-serif;
  color: var(--c-text);
  text-transform: none;
  text-shadow: none;
  letter-spacing: -0.025em;
  line-height: 1.12;
  margin: 0;
}
.reveal h2 { font-size: 2em; font-weight: 700; }
.reveal p, .reveal li {
  font-size: 0.7em; line-height: 1.7;
  color: var(--c-text-2); font-weight: 400;
}
.reveal li { margin-bottom: 0.15em; }
.reveal li strong { font-weight: 600; color: var(--c-text); }
.reveal ul, .reveal ol { margin: 0; padding-left: 1.1em; }
.reveal .slide-number {
  font-family: 'Inter', sans-serif;
  font-size: 11px; font-weight: 500;
  color: var(--c-text-4); background: none;
  right: 32px; bottom: 24px;
}
.reveal .progress { height: 2px; }
.reveal .progress span { background: var(--c-accent); }

/* ━━━ NAV ARROWS ━━━ */
.reveal .controls {
  color: var(--c-text-4);
}
.reveal .controls button {
  color: var(--c-text-4);
  opacity: 0.35;
  transition: opacity 0.3s var(--ease), color 0.3s var(--ease), transform 0.2s var(--ease);
}
.reveal .controls button:hover {
  opacity: 1;
  color: var(--c-text);
}
.reveal .controls button.enabled {
  opacity: 0.4;
  color: var(--c-text-3);
}
.reveal .controls button.enabled:hover {
  opacity: 1;
  color: var(--c-text);
}

/* ━━━ DESIGN SYSTEM ━━━ */
.eyebrow {
  font-size: 0.44em; font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase;
  margin-bottom: 20px;
}
.eyebrow--red    { color: var(--c-red); }
.eyebrow--blue   { color: var(--c-accent); }
.eyebrow--green  { color: var(--c-green); }
.eyebrow--orange { color: var(--c-orange); }

.subtitle {
  font-size: 0.72em; font-weight: 400;
  color: var(--c-text-2); line-height: 1.55;
  max-width: 680px; margin: 12px 0 0;
}

.spacer { flex: 1; min-height: 24px; }

.stat-row { display: flex; gap: 48px; margin-top: 8px; }
.stat { display: flex; flex-direction: column; }
.stat-number {
  font-size: 2.8em; font-weight: 800;
  letter-spacing: -0.04em; line-height: 1;
  color: var(--c-text); font-variant-numeric: tabular-nums;
}
.stat-number--accent { color: var(--c-accent); }
.stat-number--green  { color: var(--c-green); }
.stat-number--red    { color: var(--c-red); }
.stat-unit { font-size: 0.85em; font-weight: 400; letter-spacing: -0.01em; }
.stat-label {
  font-size: 0.48em; font-weight: 400;
  color: var(--c-text-3); margin-top: 8px; letter-spacing: 0;
}

.details { list-style: none; padding: 0; margin: 0; }
.details li {
  font-size: 0.62em; padding: 10px 0;
  border-bottom: 1px solid var(--c-border);
  color: var(--c-text); font-weight: 400;
  display: flex; align-items: baseline; gap: 12px;
}
.details li:last-child { border-bottom: none; }
.details .dt-marker {
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--c-text-4); flex-shrink: 0;
  align-self: center;
}

.card-row { display: flex; gap: 12px; }
.card {
  flex: 1; background: #f5f5f7;
  border-radius: var(--r); padding: 24px 24px 20px;
}
.card-number {
  font-size: 1.25em; font-weight: 700;
  letter-spacing: -0.03em; color: var(--c-text); line-height: 1.2;
}
.card-label {
  font-size: 0.48em; color: var(--c-text-3);
  font-weight: 400; margin-top: 4px;
}

.year-row { display: flex; gap: 8px; }
.year-card {
  flex: 1; background: #f5f5f7;
  border-radius: 10px; padding: 16px 14px 12px;
  min-width: 0;
}
.year-card-title {
  font-size: 0.4em; font-weight: 600;
  color: var(--c-text-3); text-transform: uppercase;
  letter-spacing: 0.04em; margin-bottom: 8px;
}
.year-card-saving {
  font-size: 0.72em; font-weight: 700;
  color: var(--c-green); letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}
.year-card-maint {
  font-size: 0.44em; font-weight: 400;
  color: var(--c-text-3); margin-top: 2px;
  font-variant-numeric: tabular-nums;
}
.year-card-net {
  font-size: 0.52em; font-weight: 600;
  color: var(--c-text); margin-top: 6px;
  padding-top: 6px; border-top: 1px solid rgba(0,0,0,0.05);
  font-variant-numeric: tabular-nums;
}

[data-val] {
  display: inline-block; font-variant-numeric: tabular-nums;
  transition: transform 0.25s var(--ease), opacity 0.25s var(--ease);
}
[data-val].bump { transform: scale(1.06) translateY(-1px); opacity: 0.65; }

/* ━━━ COVER ━━━ */
.slide-cover { justify-content: center !important; padding: 72px 88px !important; }
.slide-cover .cover-badge {
  font-size: 0.42em; font-weight: 500;
  color: var(--c-text-3); letter-spacing: 0.01em; margin-bottom: 32px;
}
.slide-cover .cover-badge strong { color: var(--c-text-2); font-weight: 600; }
.slide-cover h1 {
  font-size: 3.4em; font-weight: 800;
  letter-spacing: -0.045em; line-height: 1.02;
  margin: 0; color: var(--c-text);
}
.slide-cover h1 em {
  font-style: normal;
  background: linear-gradient(90deg, var(--c-accent), #40a0ff);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.slide-cover .cover-desc {
  font-size: 0.6em; font-weight: 400; color: var(--c-text-2);
  line-height: 1.6; max-width: 560px; margin-top: 20px;
}
.slide-cover .cover-meta {
  position: absolute; bottom: 56px; left: 88px;
  font-size: 0.38em; color: var(--c-text-4);
  font-weight: 400; line-height: 1.6;
}
.slide-cover .cover-logo {
  position: absolute; bottom: 56px; right: 88px;
  font-size: 0.38em; color: var(--c-text-3);
  font-weight: 500; letter-spacing: -0.01em;
  display: flex; align-items: center; gap: 6px;
}
.logo-img {
  width: 20px; height: 20px; border-radius: 4px;
  object-fit: cover;
}

/* ━━━ END SLIDE ━━━ */
.slide-end {
  justify-content: center !important;
  align-items: center !important;
  text-align: center !important;
}
.slide-end h2 { font-size: 2.8em; font-weight: 800; letter-spacing: -0.04em; }
.slide-end .end-sub {
  font-size: 0.65em; color: var(--c-text-2);
  font-weight: 400; margin: 8px 0 40px;
}
.slide-end .end-contact-block {
  display: flex; flex-direction: column; gap: 4px;
}
.slide-end .end-contact-line {
  font-size: 0.56em; font-weight: 500;
  color: var(--c-text); letter-spacing: -0.01em;
}
.slide-end .end-contact {
  margin-top: 40px; font-size: 0.4em;
  color: var(--c-text-4); font-weight: 400;
  display: inline-flex; align-items: center; gap: 6px;
}

/* ━━━ LOCK OVERLAY ━━━ */
#lock-overlay {
  position: fixed; inset: 0; z-index: 9999;
  background: rgba(0,0,0,0.92);
  backdrop-filter: blur(30px); -webkit-backdrop-filter: blur(30px);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  transition: opacity 0.6s var(--ease);
}
#lock-overlay.unlocked {
  opacity: 0; pointer-events: none;
}
#lock-overlay .qr-container {
  background: #fff; border-radius: 20px; padding: 24px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
#lock-overlay .qr-container canvas { display: block; }
#lock-overlay .lock-title {
  color: #fff; font-size: 18px; font-weight: 600;
  margin-top: 28px; letter-spacing: -0.02em;
}
#lock-overlay .lock-sub {
  color: rgba(255,255,255,0.5); font-size: 13px; font-weight: 400;
  margin-top: 8px;
}
#lock-overlay .lock-timer {
  color: rgba(255,255,255,0.3); font-size: 12px; font-weight: 400;
  margin-top: 16px; font-variant-numeric: tabular-nums;
}
#lock-overlay .lock-expired {
  color: #ff453a; font-size: 14px; font-weight: 500;
  margin-top: 16px; display: none;
}
#lock-overlay .lock-countdown-wrap {
  text-align: center; margin-top: 28px;
}
#lock-overlay .lock-countdown-label {
  font-size: 13px; color: rgba(255,255,255,0.5); font-weight: 400;
}
#lock-overlay .lock-countdown {
  font-size: 30px; color: #fff; font-weight: 600;
  font-variant-numeric: tabular-nums; letter-spacing: 0.02em;
  margin-top: 4px;
}

/* ━━━ LEVERS PANEL ━━━ */
#levers-toggle {
  position: fixed; top: 16px; right: 16px; z-index: 200;
  width: 36px; height: 36px;
  background: rgba(255,255,255,0.65);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(0,0,0,0.06); border-radius: 10px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  opacity: 0.35; transition: all 0.3s var(--ease);
  box-shadow: 0 1px 4px rgba(0,0,0,0.04); padding: 0;
}
#levers-toggle:hover { opacity: 1; transform: scale(1.06); box-shadow: 0 4px 20px rgba(0,0,0,0.08); }
#levers-toggle.hidden { display: none; }
#levers-toggle.active { opacity: 1; background: var(--c-text); border-color: transparent; }
#levers-toggle svg { width: 16px; height: 16px; stroke: var(--c-text); stroke-width: 1.6; transition: stroke 0.3s; }
#levers-toggle.active svg { stroke: #fff; }

#levers-backdrop {
  position: fixed; inset: 0; z-index: 199;
  background: rgba(0,0,0,0); pointer-events: none;
  transition: background 0.4s var(--ease);
}
#levers-backdrop.open { background: rgba(0,0,0,0.08); pointer-events: auto; }

#levers-panel {
  position: fixed; top: 60px; right: 16px; z-index: 201;
  width: 296px; max-height: calc(100vh - 80px); overflow-y: auto;
  background: rgba(255,255,255,0.88);
  backdrop-filter: blur(48px) saturate(2);
  -webkit-backdrop-filter: blur(48px) saturate(2);
  border: 1px solid rgba(255,255,255,0.6);
  border-radius: 14px;
  box-shadow: 0 0 0 0.5px rgba(0,0,0,0.03), 0 12px 48px rgba(0,0,0,0.1), 0 2px 6px rgba(0,0,0,0.04);
  padding: 20px; font-size: 13px; color: var(--c-text);
  opacity: 0; transform: translateY(-6px) scale(0.98);
  pointer-events: none; transition: all 0.3s var(--ease);
}
#levers-panel.open { opacity: 1; transform: translateY(0) scale(1); pointer-events: auto; }
#levers-panel::-webkit-scrollbar { width: 0; }

#levers-panel .panel-header {
  margin-bottom: 14px; text-align: left;
  display: flex; justify-content: space-between; align-items: flex-start;
}
#levers-panel .panel-title { font-size: 12px; font-weight: 600; letter-spacing: -0.01em; color: var(--c-text); margin: 0; }
#levers-panel .panel-subtitle { font-size: 10.5px; color: var(--c-text-4); font-weight: 400; margin: 2px 0 0; }
#levers-reset {
  background: none; border: 1px solid rgba(0,0,0,0.06);
  border-radius: 6px; padding: 4px 5px; cursor: pointer;
  color: var(--c-text-4); display: flex; align-items: center;
  justify-content: center; transition: all 0.2s;
}
#levers-reset:hover { color: var(--c-accent); border-color: rgba(0,113,227,0.2); background: var(--c-accent-s); }

/* Slots bar */
.panel-slots {
  display: flex; gap: 4px; margin-bottom: 12px;
  align-items: center;
}
.panel-slots select {
  flex: 1; min-width: 0;
  font-family: 'Inter', sans-serif;
  font-size: 11px; font-weight: 500;
  color: var(--c-text); background: rgba(0,0,0,0.02);
  border: 1px solid rgba(0,0,0,0.06); border-radius: 6px;
  padding: 5px 8px; cursor: pointer;
  -webkit-appearance: none; appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%23aeaeb2' stroke-width='1.4' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
  padding-right: 24px;
}
.panel-slots select:focus { outline: none; border-color: var(--c-accent); }
.slot-btn {
  background: none; border: 1px solid rgba(0,0,0,0.06);
  border-radius: 6px; padding: 5px 6px; cursor: pointer;
  color: var(--c-text-4); display: flex; align-items: center;
  justify-content: center; transition: all 0.2s;
}
.slot-btn:hover { color: var(--c-accent); border-color: rgba(0,113,227,0.2); background: var(--c-accent-s); }
.slot-btn--danger:hover { color: var(--c-red); border-color: rgba(255,69,58,0.2); background: rgba(255,69,58,0.06); }

/* Text fields */
.lever-row-text { margin-bottom: 10px; text-align: left; }
.lever-row-text label {
  display: block; font-size: 10px; font-weight: 500;
  color: var(--c-text-4); margin-bottom: 3px;
  text-transform: uppercase; letter-spacing: 0.04em;
}
.lever-row-text input[type="text"],
.lever-row-text input[type="date"] {
  width: 100%; padding: 6px 10px;
  border: 1px solid rgba(0,0,0,0.06); border-radius: 8px;
  font-size: 12.5px; font-weight: 500;
  font-family: 'Inter', sans-serif; color: var(--c-text);
  background: rgba(0,0,0,0.02);
  transition: border-color 0.2s, background 0.2s;
}
.lever-row-text input:focus { outline: none; border-color: var(--c-accent); background: #fff; }
.lever-row-text select {
  width: 100%; padding: 6px 10px;
  border: 1px solid rgba(0,0,0,0.06); border-radius: 8px;
  font-size: 12.5px; font-weight: 500;
  font-family: 'Inter', sans-serif; color: var(--c-text);
  background: rgba(0,0,0,0.02);
  transition: border-color 0.2s, background 0.2s;
  -webkit-appearance: none; appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%23aeaeb2' stroke-width='1.4' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 28px;
}
.lever-row-text select:focus { outline: none; border-color: var(--c-accent); background: #fff; }
.lever-row-text input[type="time"] {
  width: 100%; padding: 6px 10px;
  border: 1px solid rgba(0,0,0,0.06); border-radius: 8px;
  font-size: 12.5px; font-weight: 500;
  font-family: 'Inter', sans-serif; color: var(--c-text);
  background: rgba(0,0,0,0.02);
  transition: border-color 0.2s, background 0.2s;
}
.lever-row-text input[type="time"]:focus { outline: none; border-color: var(--c-accent); background: #fff; }

/* Lever rows */
.lever-row { margin-bottom: 14px; text-align: left; }
.lever-row:last-child { margin-bottom: 0; }
.lever-row .lever-name {
  font-size: 11px; font-weight: 500;
  color: var(--c-text-3); margin-bottom: 5px;
  letter-spacing: -0.01em;
}

/* Stepper: [−] input [+] */
.lever-stepper {
  display: flex; align-items: center;
  gap: 0; margin-bottom: 6px;
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 8px; overflow: hidden;
  background: rgba(0,0,0,0.02);
}
.lever-stepper button {
  width: 32px; height: 30px;
  background: none; border: none;
  cursor: pointer; color: var(--c-text-3);
  font-size: 15px; font-weight: 400;
  font-family: 'Inter', sans-serif;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.15s, color 0.15s;
  flex-shrink: 0;
  -webkit-user-select: none; user-select: none;
}
.lever-stepper button:hover {
  background: rgba(0,0,0,0.04); color: var(--c-text);
}
.lever-stepper button:active {
  background: rgba(0,0,0,0.08);
}
.lever-stepper .stepper-divider {
  width: 1px; height: 18px; background: rgba(0,0,0,0.08); flex-shrink: 0;
}
.lever-stepper input[type="number"] {
  flex: 1; min-width: 0;
  border: none; background: none;
  text-align: center;
  font-size: 12.5px; font-weight: 600;
  font-family: 'Inter', sans-serif;
  font-variant-numeric: tabular-nums;
  color: var(--c-text);
  padding: 4px 0;
  -moz-appearance: textfield;
}
.lever-stepper input[type="number"]::-webkit-inner-spin-button,
.lever-stepper input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none; margin: 0;
}
.lever-stepper input[type="number"]:focus {
  outline: none;
}
.lever-stepper:focus-within {
  border-color: var(--c-accent);
  box-shadow: 0 0 0 2px var(--c-accent-s);
}

/* Range slider */
.lever-row input[type="range"] {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 3px; border-radius: 1.5px;
  background: rgba(0,0,0,0.06);
  outline: none; margin: 0; cursor: pointer;
}
.lever-row input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 18px; height: 18px; border-radius: 50%;
  background: #fff; border: 0.5px solid rgba(0,0,0,0.1);
  box-shadow: 0 0.5px 1px rgba(0,0,0,0.08), 0 1px 4px rgba(0,0,0,0.06);
  cursor: pointer; transition: box-shadow 0.2s, transform 0.15s;
}
.lever-row input[type="range"]::-webkit-slider-thumb:hover {
  box-shadow: 0 1px 3px rgba(0,0,0,0.12), 0 4px 12px rgba(0,0,0,0.08);
  transform: scale(1.08);
}
.lever-row input[type="range"]::-webkit-slider-thumb:active { transform: scale(1.04); }
.lever-row input[type="range"]::-moz-range-thumb {
  width: 18px; height: 18px; border-radius: 50%;
  background: #fff; border: 0.5px solid rgba(0,0,0,0.1);
  box-shadow: 0 0.5px 1px rgba(0,0,0,0.08), 0 1px 4px rgba(0,0,0,0.06);
  cursor: pointer;
}

.lever-divider { height: 1px; background: rgba(0,0,0,0.04); margin: 14px 0; }

/* Collapsible section */
.lever-collapse { margin-bottom: 0; border-bottom: 1px solid rgba(0,0,0,0.04); padding-bottom: 2px; }
.lever-collapse summary {
  list-style: none; cursor: pointer;
  font-size: 10px; font-weight: 500;
  color: var(--c-text-4); letter-spacing: 0.04em;
  text-transform: uppercase;
  display: flex; align-items: center; gap: 5px;
  padding: 4px 0;
  -webkit-user-select: none; user-select: none;
}
.lever-collapse summary::-webkit-details-marker { display: none; }
.lever-collapse summary::before {
  content: '▸'; font-size: 9px; display: inline-block;
  transition: transform 0.2s var(--ease);
}
.lever-collapse[open] summary::before { transform: rotate(90deg); }
.lever-collapse-body { padding-top: 8px; }

/* Compound lever (maintenance % + nominal) */
.lever-row-compound .lever-row { margin-bottom: 4px; }
.compound-label {
  font-size: 10px; font-weight: 400;
  color: var(--c-text-4); margin: 2px 0 4px;
  text-align: left;
}
.lever-stepper--alt { margin-bottom: 0; }