/* ============================================================
   Digital Craft — Charity Proposal Deck
   Monochrome, hairline-led, single electric-blue accent.
   Inherits tokens from dc-tokens.css.
   ============================================================ */
@import url("./dc-tokens.css");

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body {
  height: 100%; overflow: hidden;
  background: var(--dc-black);
  font-family: var(--dc-font-body);
  color: var(--fg-1);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

button { font-family: inherit; }
a { color: var(--accent); text-decoration: none; }

/* ---- Deck container ---- */
.deck {
  width: 100vw; height: 100vh;
  display: flex; align-items: center; justify-content: center;
  position: relative;
}

/* ---- Slide ---- */
.slide {
  width: 100vw; height: 100vh;
  background: var(--bg);
  position: relative; overflow: hidden;
  display: flex;
  padding: 80px 96px 88px;
}
.slide--alt   { background: var(--bg-alt); }
.slide--dark  { background: var(--dc-black); color: var(--fg-inverse); }
.slide--ink   { background: var(--dc-ink); color: var(--fg-inverse); }

/* Hairline grid behind hero/cover slides — the "structure & systems" motif */
.slide--grid::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(0,0,0,.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0,0,0,.04) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse at center, #000, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000, transparent 75%);
}
.slide--dark.slide--grid::before,
.slide--ink.slide--grid::before {
  background-image:
    linear-gradient(to right, rgba(255,255,255,.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.06) 1px, transparent 1px);
}

/* ---- Slide footer ---- */
.slide__footer {
  position: absolute; bottom: 0; left: 0; right: 0;
  height: 56px;
  padding: 0 96px;
  display: flex; align-items: center; gap: 12px;
  border-top: 1px solid var(--border-subtle);
  font-family: var(--dc-font-mono);
  font-size: 11px; letter-spacing: 0.08em;
  color: var(--fg-3);
}
.slide--dark .slide__footer,
.slide--ink .slide__footer {
  border-top-color: rgba(255,255,255,.08);
  color: var(--dc-stone);
}
.slide__footer-spacer { flex: 1; }
.slide__footer-mark {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--dc-font-display);
  font-size: 13px; letter-spacing: -0.015em;
  color: var(--fg-2);
}
.slide--dark .slide__footer-mark,
.slide--ink .slide__footer-mark { color: var(--dc-mist); }
.slide__footer-mark img { height: 14px; width: auto; }

/* ---- Typography ---- */
.dc-eyebrow {
  font-family: var(--dc-font-body);
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--fg-3);
  display: inline-flex; align-items: center; gap: 12px;
  margin-bottom: 20px;
}
.dc-eyebrow::before {
  content: "";
  width: 22px; height: 1px;
  background: var(--accent);
  box-shadow: 0 0 6px rgba(96,165,250,.5);
}
.slide--dark .dc-eyebrow,
.slide--ink .dc-eyebrow { color: var(--dc-stone); }

.dc-h1 {
  font-family: var(--dc-font-display);
  font-size: clamp(48px, 6vw, 96px);
  font-weight: var(--fw-regular);
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-tightest);
  color: var(--fg-1);
  margin: 0 0 24px;
}
.dc-h2 {
  font-family: var(--dc-font-display);
  font-size: clamp(36px, 4.4vw, 64px);
  font-weight: var(--fw-regular);
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-tighter);
  color: var(--fg-1);
  margin: 0 0 20px;
}
.dc-h3 {
  font-family: var(--dc-font-display);
  font-size: clamp(24px, 2.4vw, 36px);
  font-weight: var(--fw-regular);
  line-height: var(--lh-snug);
  letter-spacing: var(--ls-tight);
  color: var(--fg-1);
  margin: 0;
}
.slide--dark .dc-h1, .slide--dark .dc-h2, .slide--dark .dc-h3,
.slide--ink .dc-h1, .slide--ink .dc-h2, .slide--ink .dc-h3 { color: var(--fg-inverse); }

/* DC convention: italic <em> inside headings becomes the accent */
.dc-h1 em, .dc-h2 em, .dc-h3 em {
  font-style: normal;
  color: var(--accent);
}

.dc-lede {
  font-family: var(--dc-font-body);
  font-size: clamp(16px, 1.4vw, 20px);
  font-weight: var(--fw-regular);
  line-height: var(--lh-relaxed);
  color: var(--fg-2);
  max-width: 60ch;
  margin: 0 0 28px;
  text-wrap: pretty;
}
.slide--dark .dc-lede, .slide--ink .dc-lede { color: var(--dc-mist); }

.dc-body {
  font-family: var(--dc-font-body);
  font-size: var(--fs-base);
  line-height: var(--lh-normal);
  color: var(--fg-2);
}
.slide--dark .dc-body, .slide--ink .dc-body { color: var(--dc-mist); }

/* ---- Split layouts ---- */
.slide__left  { flex: 0 0 44%; display: flex; flex-direction: column; justify-content: center; padding-right: 56px; z-index: 2; min-width: 0; }
.slide__right { flex: 1; display: flex; align-items: center; justify-content: center; gap: 24px; z-index: 2; min-width: 0; position: relative; }
.slide__center{ flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; z-index: 2; margin: 0 auto; }

/* ---- Buttons ---- */
.dc-btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--dc-font-body);
  font-size: 14px; font-weight: 500; line-height: 1;
  padding: 14px 20px;
  border-radius: var(--r-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--dur-base) var(--ease-out),
              color var(--dur-base) var(--ease-out),
              border-color var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out),
              transform var(--dur-fast) var(--ease-out);
  white-space: nowrap;
}
.dc-btn .dc-arrow {
  width: 14px; height: 1px; background: currentColor;
  transition: width var(--dur-base) var(--ease-out);
}
.dc-btn:hover .dc-arrow { width: 24px; }
.dc-btn-primary { background: var(--accent); color: #fff; }
.dc-btn-primary:hover { background: var(--accent-hover); box-shadow: 0 0 0 5px rgba(96,165,250,.28); }
.dc-btn-primary:active { background: var(--accent-press); transform: translateY(1px); box-shadow: none; }
.dc-btn-secondary { background: transparent; color: var(--fg-1); border-color: var(--fg-1); }
.dc-btn-secondary:hover { background: var(--fg-1); color: var(--bg); }
.dc-btn-ghost { background: transparent; color: var(--fg-1); }
.dc-btn-ghost:hover { background: var(--bg-alt); }
.slide--dark .dc-btn-secondary, .slide--ink .dc-btn-secondary { color: #fff; border-color: #fff; }
.slide--dark .dc-btn-secondary:hover, .slide--ink .dc-btn-secondary:hover { background: #fff; color: #000; }
.slide--dark .dc-btn-ghost, .slide--ink .dc-btn-ghost { color: #fff; }
.slide--dark .dc-btn-ghost:hover, .slide--ink .dc-btn-ghost:hover { background: #1A1A1A; }

/* ---- Callout cards (hairline, no shadow, no gradient) ---- */
.callout {
  background: var(--bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-md);
  padding: 18px 22px;
  margin-top: 12px;
  transition: border-color var(--dur-base) var(--ease-out);
}
.callout:hover { border-color: var(--fg-1); }
.slide--dark .callout, .slide--ink .callout {
  background: var(--dc-bg-alt);
  border-color: var(--dc-graphite);
}
.slide--dark .callout:hover, .slide--ink .callout:hover { border-color: var(--dc-charcoal); }
.callout__title {
  font-family: var(--dc-font-display);
  font-size: 17px; font-weight: var(--fw-regular);
  letter-spacing: var(--ls-tight);
  color: var(--fg-1);
  margin-bottom: 6px;
}
.callout__body {
  font-family: var(--dc-font-body);
  font-size: 14px; line-height: 1.55;
  color: var(--fg-2);
}
.slide--dark .callout__title, .slide--ink .callout__title { color: var(--fg-inverse); }
.slide--dark .callout__body, .slide--ink .callout__body { color: var(--dc-mist); }

/* ---- Stat row ---- */
.stat-row { display: flex; gap: 0; margin-top: 32px; border-top: 1px solid var(--border-subtle); border-left: 1px solid var(--border-subtle); }
.stat-box {
  flex: 1;
  padding: 18px 22px;
  border-right: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  min-width: 0;
}
.stat-box__value {
  font-family: var(--dc-font-display);
  font-size: 36px; font-weight: var(--fw-regular);
  letter-spacing: var(--ls-tightest);
  color: var(--fg-1); line-height: 1.1;
  font-feature-settings: "tnum" 1, "lnum" 1;
}
.stat-box__label {
  font-family: var(--dc-font-body);
  font-size: 12px; color: var(--fg-3);
  margin-top: 4px; font-weight: 500;
  letter-spacing: 0.02em;
}
.slide--dark .stat-row, .slide--ink .stat-row { border-color: rgba(255,255,255,.1); }
.slide--dark .stat-box, .slide--ink .stat-box { border-color: rgba(255,255,255,.1); }
.slide--dark .stat-box__value, .slide--ink .stat-box__value { color: var(--fg-inverse); }
.slide--dark .stat-box__label, .slide--ink .stat-box__label { color: var(--dc-stone); }

/* ---- Trust strip (cover: "Currently working with" logo row) ---- */
.trust-strip {
  margin-top: 28px;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.trust-strip__label {
  font-family: var(--dc-font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-3);
  white-space: nowrap;
}
.trust-strip__logos {
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
}
.trust-strip__logo {
  height: 52px;
  width: auto;
  object-fit: contain;
  opacity: 1;
  transition: transform 0.25s var(--ease-out), opacity 0.25s var(--ease-out);
}
.trust-strip__logo:hover { transform: translateY(-1px); }
.trust-strip__logo--ato { height: 58px; }
.trust-strip__logo--gamlearn { height: 44px; }
.trust-strip__logo--h2h { height: 72px; }
.slide--dark .trust-strip__label, .slide--ink .trust-strip__label { color: var(--dc-stone); }
.slide--dark .trust-strip__logo--ato, .slide--ink .trust-strip__logo--ato { filter: brightness(0) invert(1); opacity: 0.95; }
/* Mobile-only variant lives inside .slide__right and is hidden on desktop. */
.trust-strip--mobile { display: none; }

/* ---- Feature grid (bordered hairline grid, no shadow) ---- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--border-subtle);
  border-left: 1px solid var(--border-subtle);
}
.feature-grid--2 { grid-template-columns: 1fr 1fr; }
.feature-card {
  padding: 28px;
  border-right: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  display: flex; flex-direction: column; gap: 12px;
  transition: background var(--dur-base) var(--ease-out);
}
.feature-card:hover { background: var(--bg-alt); }
.slide--dark .feature-grid, .slide--ink .feature-grid { border-color: rgba(255,255,255,.08); }
.slide--dark .feature-card, .slide--ink .feature-card { border-color: rgba(255,255,255,.08); }
.slide--dark .feature-card:hover, .slide--ink .feature-card:hover { background: var(--dc-bg-alt); }
.feature-card__icon {
  width: 36px; height: 36px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--border); border-radius: var(--r-md);
  color: var(--fg-1);
}
.slide--dark .feature-card__icon, .slide--ink .feature-card__icon {
  border-color: var(--dc-graphite); color: var(--fg-inverse);
}
.feature-card__title {
  font-family: var(--dc-font-display);
  font-size: 22px; font-weight: var(--fw-regular);
  letter-spacing: var(--ls-tight); line-height: 1.15;
  color: var(--fg-1);
}
.feature-card__desc {
  font-family: var(--dc-font-body);
  font-size: 14px; line-height: 1.55; color: var(--fg-2);
}
.slide--dark .feature-card__title, .slide--ink .feature-card__title { color: var(--fg-inverse); }
.slide--dark .feature-card__desc, .slide--ink .feature-card__desc { color: var(--dc-mist); }

/* ---- Capabilities row ---- */
.capabilities {
  display: flex; flex-wrap: wrap; gap: 32px 48px;
  padding: 32px 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}
.capabilities__item {
  font-family: var(--dc-font-display);
  font-size: 20px; letter-spacing: var(--ls-tight);
  color: var(--fg-2);
  display: inline-flex; align-items: center; gap: 10px;
}
.capabilities__item::before {
  content: ""; width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 6px rgba(96,165,250,.55);
}
.slide--dark .capabilities, .slide--ink .capabilities { border-color: rgba(255,255,255,.08); }
.slide--dark .capabilities__item, .slide--ink .capabilities__item { color: var(--dc-mist); }

/* ---- Process steps ---- */
.process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
  margin-top: 48px;
}
.process__conn {
  position: absolute; left: 12.5%; right: 12.5%; top: 22px;
  height: 1px; background: var(--border);
  z-index: 0;
}
.process__conn::after {
  content: ""; position: absolute; left: 0; top: 0; height: 1px;
  background: linear-gradient(90deg, var(--accent), var(--accent-hover));
  box-shadow: 0 0 8px rgba(96,165,250,.5);
  width: var(--progress, 0%);
  transition: width var(--dur-slow) var(--ease-out);
}
.process__step { position: relative; z-index: 1; padding-right: 28px; }
.process__num {
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 999px;
  font-family: var(--dc-font-mono); font-size: 12px;
  color: var(--fg-2);
  margin-bottom: 20px;
}
.process__step.is-active .process__num {
  border-color: var(--accent); color: var(--accent);
  box-shadow: 0 0 0 4px rgba(96,165,250,.18);
}
.process__step h4 {
  font-family: var(--dc-font-display);
  font-size: 24px; letter-spacing: var(--ls-tight);
  color: var(--fg-1); font-weight: var(--fw-regular);
  margin: 0 0 8px;
}
.process__step p {
  font-family: var(--dc-font-body);
  font-size: 14px; line-height: 1.55; color: var(--fg-2);
}
.slide--dark .process__conn, .slide--ink .process__conn { background: rgba(255,255,255,.1); }
.slide--dark .process__num, .slide--ink .process__num {
  background: var(--dc-bg-alt); border-color: var(--dc-graphite); color: var(--dc-mist);
}
.slide--dark .process__step h4, .slide--ink .process__step h4 { color: var(--fg-inverse); }
.slide--dark .process__step p, .slide--ink .process__step p { color: var(--dc-mist); }

/* ---- Case-study chrome ---- */
.case-header { display: flex; align-items: center; gap: 18px; margin-bottom: 24px; }
.case-header__logo {
  width: 64px; height: 64px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  display: inline-flex; align-items: center; justify-content: center;
  background: #fff;
  padding: 10px;
  flex-shrink: 0;
}
.case-header__logo img { max-width: 100%; max-height: 100%; object-fit: contain; }
.case-header__meta { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.case-header__name {
  font-family: var(--dc-font-display);
  font-size: 22px; letter-spacing: var(--ls-tight);
  color: var(--fg-1);
}
.case-header__sub {
  font-family: var(--dc-font-mono);
  font-size: 11px; letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-3);
}
.slide--dark .case-header__name, .slide--ink .case-header__name { color: var(--fg-inverse); }
.slide--dark .case-header__sub, .slide--ink .case-header__sub { color: var(--dc-stone); }

/* ---- "What we build" slide (slide 2) — tight pack so 12 capabilities + 6 feature cards fit a 900px viewport ---- */
.slide--builds { padding: 48px 80px 72px; }
.slide--builds .capabilities { padding: 18px 0; gap: 14px 36px; }
.slide--builds .capabilities__item { font-size: 16px; }
.slide--builds .feature-card { padding: 20px 22px; gap: 10px; align-items: center; text-align: center; }
.slide--builds .feature-card__title { font-size: 18px; line-height: 1.15; }
.slide--builds .feature-card__desc { font-size: 13px; line-height: 1.45; max-width: 32ch; }
.slide--builds .feature-card__icon { width: 36px; height: 36px; margin-bottom: 2px; }
.slide--builds .capabilities { justify-content: center; }

/* ---- Case study slide layout (tight; everything visible at 1440x900) ---- */
.slide--case { padding: 56px 80px 80px; }
.case__left {
  flex: 0 0 38% !important;
  justify-content: flex-start !important;
  padding-top: 24px;
  padding-right: 48px !important;
  overflow: hidden;
}
.case__title {
  font-size: clamp(26px, 2.6vw, 40px) !important;
  margin-bottom: 14px !important;
}
.case__lede {
  font-size: clamp(13px, 1vw, 15px) !important;
  margin-bottom: 16px !important;
  line-height: 1.5 !important;
}
.case__callouts .callout { padding: 12px 16px; margin-top: 8px; }
.case__callouts .callout__title { font-size: 15px; margin-bottom: 3px; }
.case__callouts .callout__body  { font-size: 13px; line-height: 1.45; }
.case__tabs { margin-top: 20px; }
.case__right {
  flex: 1; gap: 16px !important;
  flex-direction: column !important;
  justify-content: center !important;
  align-items: stretch !important;
}
.case__mock-wrap {
  width: 100%; max-width: 1100px;
  align-self: flex-end;
  position: relative !important;
  top: auto !important;
  transform: none !important;
  flex: 0 0 auto;
}
.case__extra {
  flex: 0 0 auto;
  align-self: stretch;
  padding-top: 8px;
}
.case__extra .quote { margin-top: 0; padding: 18px 0; border-top: 1px solid var(--border-subtle); border-bottom: none; }
.case__extra .quote__body { font-size: clamp(15px, 1.2vw, 18px); }
.case__extra .quote__attrib { margin-top: 8px; }
.slide--dark .case__extra .quote { border-top-color: rgba(255,255,255,.1); }

/* Charity-specific accent strips */
.case-header__bar {
  width: 4px; height: 48px; flex-shrink: 0;
  border-radius: 2px;
}
.case--ato .case-header__bar    { background: #FF6100; box-shadow: 0 0 8px rgba(255,97,0,.45); }
.case--gamlearn .case-header__bar { background: #4B0082; box-shadow: 0 0 8px rgba(75,0,130,.4); }
.case--h2h .case-header__bar    { background: #7B2FFF; box-shadow: 0 0 8px rgba(123,47,255,.45); }

/* In-progress pill (single allowed exception) */
.in-progress-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 4px 10px 4px 8px;
  border-radius: 999px;
  background: var(--dc-accent-soft);
  border: 1px solid rgba(59,130,246,.35);
  font-family: var(--dc-font-mono);
  font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--accent);
}
.in-progress-badge__dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 6px var(--accent);
  animation: pulse 2s var(--ease-in-out) infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

/* ---- Testimonial block ---- */
.quote {
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  padding: 28px 0;
  margin-top: 24px;
}
.quote__body {
  font-family: var(--dc-font-display);
  font-size: clamp(18px, 1.6vw, 24px);
  line-height: var(--lh-snug);
  letter-spacing: var(--ls-tight);
  color: var(--fg-1);
  text-wrap: pretty;
}
.quote__body em { font-style: italic; color: var(--accent); }
.quote__attrib {
  margin-top: 16px;
  font-family: var(--dc-font-body);
  font-size: 13px; color: var(--fg-3);
  display: flex; align-items: center; gap: 10px;
}
.quote__attrib b { color: var(--fg-2); font-weight: 600; }
.slide--dark .quote, .slide--ink .quote { border-color: rgba(255,255,255,.1); }
.slide--dark .quote__body, .slide--ink .quote__body { color: var(--fg-inverse); }
.slide--dark .quote__attrib, .slide--ink .quote__attrib { color: var(--dc-stone); }
.slide--dark .quote__attrib b, .slide--ink .quote__attrib b { color: var(--dc-mist); }

/* ---- Carousel tabs (DC convention — text + accent underline, NO pills) ---- */
.screen-tabs {
  display: flex; gap: 4px;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 0;
  flex-wrap: wrap;
}
.screen-tab {
  font-family: var(--dc-font-body);
  font-size: 13px; font-weight: 500;
  padding: 10px 12px; border: none; background: transparent;
  white-space: nowrap;
  color: var(--fg-3);
  cursor: pointer;
  position: relative;
  transition: color var(--dur-fast) var(--ease-out);
}
.screen-tab:hover { color: var(--fg-1); }
.screen-tab--active { color: var(--fg-1); }
.screen-tab--active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -1px;
  height: 2px; background: var(--accent);
  box-shadow: 0 0 8px rgba(96,165,250,.55);
}
.slide--dark .screen-tabs, .slide--ink .screen-tabs { border-bottom-color: rgba(255,255,255,.1); }
.slide--dark .screen-tab, .slide--ink .screen-tab { color: var(--dc-stone); }
.slide--dark .screen-tab:hover, .slide--ink .screen-tab:hover,
.slide--dark .screen-tab--active, .slide--ink .screen-tab--active { color: var(--fg-inverse); }

@keyframes screenSwap {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}
.screen-fade { animation: screenSwap 320ms var(--ease-out) forwards; }

/* ---- Mockup chrome (clean white frame, hairline border, no shadow at rest) ---- */
.desktop-mock {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  width: 100%;
  position: relative;
  transition: border-color var(--dur-base) var(--ease-out);
}
.desktop-mock::before {
  content: "";
  display: block; height: 28px;
  background: var(--dc-paper);
  border-bottom: 1px solid var(--border-subtle);
  background-image:
    radial-gradient(circle 4px at 14px 14px, #D4D4D4 50%, transparent 51%),
    radial-gradient(circle 4px at 32px 14px, #D4D4D4 50%, transparent 51%),
    radial-gradient(circle 4px at 50px 14px, #D4D4D4 50%, transparent 51%);
}
.desktop-mock__inner {
  width: 1440px; height: 900px;
  transform-origin: top left; pointer-events: none;
  overflow: hidden;
  background: #fff;
}
.slide--dark .desktop-mock, .slide--ink .desktop-mock { border-color: var(--dc-graphite); }

.phone-mock {
  width: 280px; flex-shrink: 0;
  background: #000;
  border-radius: 36px;
  padding: 6px;
  position: relative;
  border: 1px solid var(--dc-graphite);
}
.phone-mock--lg { width: 300px; }
.phone-mock__status {
  position: absolute; top: 12px; left: 50%; transform: translateX(-50%);
  width: 80px; height: 22px; background: #000; border-radius: 12px;
  z-index: 5;
}
.phone-mock__notch { display: none; }
.phone-mock__screen {
  background: #fff;
  border-radius: 30px;
  overflow: hidden;
  position: relative;
}
.phone-mock__inner {
  width: 390px; transform-origin: top left; pointer-events: none;
  background: #fff;
}
.phone-mock__screen--shot { aspect-ratio: 390 / 760; }
.phone-mock__shot {
  width: 100%; height: 100%; object-fit: cover; display: block;
}

/* ---- Cover slide mock cluster (kept inside the slide footer border) ---- */
.cover__mocks {
  align-items: stretch;
  justify-content: stretch;
  padding-bottom: 24px;
}
.cover__stage {
  position: relative;
  width: 100%;
  height: 100%;
  /* Clip anything that would otherwise drift over the slide footer */
  overflow: visible;
}
.cover__mock {
  position: absolute;
  width: min(42vw, 680px);
}
.cover__mock--back {
  right: clamp(40px, 6vw, 110px);
  top: 50%;
  transform: translate(0, -62%) rotate(-2deg);
  opacity: 0.85;
  z-index: 1;
}
.cover__mock--back .desktop-mock { box-shadow: 0 24px 60px -32px rgba(15,23,42,0.25); }
.cover__mock--front {
  right: 0;
  top: 50%;
  transform: translate(0, -48%);
  z-index: 2;
}
.cover__mock--front .desktop-mock { box-shadow: 0 30px 80px -28px rgba(15,23,42,0.28); }
.cover__phone {
  position: absolute;
  transform-origin: bottom right;
}
.cover__phone--lead {
  right: -8px;
  bottom: -4px;
  transform: scale(0.78) rotate(2deg);
  z-index: 4;
  filter: drop-shadow(0 24px 36px rgba(15,23,42,0.22));
}
.cover__phone--trail {
  right: clamp(180px, 20vw, 280px);
  bottom: 16px;
  transform-origin: bottom left;
  transform: scale(0.72) rotate(-3deg);
  z-index: 3;
  opacity: 0.95;
  filter: drop-shadow(0 18px 28px rgba(15,23,42,0.18));
}

/* Cluster of 3 phones used by the ATO mobile-app screen in the case carousel */
.case__phone-cluster {
  width: 100%;
  max-width: 1100px;
  height: 540px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
}
.case__phone-cluster .phone-cluster {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  width: 100%;
}
.case__phone-cluster .phone-mock {
  width: 220px;
  flex-shrink: 0;
  transform: rotate(-3deg);
  box-shadow: 0 18px 40px rgba(0,0,0,.18);
}
.case__phone-cluster .phone-mock--lg {
  width: 220px;
  transform: rotate(0deg);
  z-index: 2;
  box-shadow: 0 28px 60px rgba(0,0,0,.28);
}
.case__phone-cluster .phone-mock:last-child { transform: rotate(3deg); }

/* ---- Navigation dots ---- */
.deck-nav {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  display: flex; align-items: center; gap: 14px; z-index: 100;
  background: rgba(0,0,0,0.86);
  backdrop-filter: blur(14px);
  padding: 8px 16px; border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.08);
}
.deck-nav__btn {
  width: 36px; height: 36px; border-radius: 999px; border: none;
  background: rgba(255,255,255,0.06); color: #fff; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background var(--dur-fast) var(--ease-out);
}
.deck-nav__btn:hover { background: rgba(255,255,255,0.14); }
.deck-nav__btn:disabled { opacity: 0.3; cursor: default; }
.deck-nav__dots { display: flex; gap: 8px; }
.deck-nav__dot {
  width: 6px; height: 6px; border-radius: 50%; border: none; padding: 0;
  background: rgba(255,255,255,0.22); cursor: pointer; transition: all var(--dur-fast) var(--ease-out);
}
.deck-nav__dot--active {
  background: var(--accent);
  box-shadow: 0 0 8px rgba(96,165,250,.6);
  transform: scale(1.4);
}
.deck-nav__dot:hover { background: rgba(255,255,255,0.55); }

/* ---- Floating view-demo button ---- */
.view-site-fab {
  position: fixed; top: 22px; right: 22px; z-index: 95;
  display: inline-flex; align-items: center; gap: 10px;
  padding: 10px 16px;
  border-radius: var(--r-md);
  background: rgba(0,0,0,.86);
  color: #fff;
  border: 1px solid rgba(255,255,255,.12);
  backdrop-filter: blur(12px);
  font-family: var(--dc-font-body);
  font-size: 13px; font-weight: 500; cursor: pointer;
  transition: background var(--dur-fast) var(--ease-out);
}
.view-site-fab:hover { background: #000; }
.view-site-fab__dot {
  width: 6px; height: 6px; border-radius: 999px;
  background: var(--dc-success);
  box-shadow: 0 0 6px var(--dc-success);
}
.view-site-btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--dc-font-body);
  font-size: 14px; font-weight: 500;
  padding: 12px 18px;
  border-radius: var(--r-md);
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  transition: background var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out);
}
.view-site-btn:hover { background: var(--accent-hover); box-shadow: 0 0 0 5px rgba(96,165,250,.28); }
.view-site-btn__dot {
  width: 6px; height: 6px; border-radius: 999px; background: #fff;
}

/* ---- Live demo overlay ---- */
.site-overlay {
  position: fixed; inset: 0; z-index: 200;
  background: var(--dc-black);
  display: flex; flex-direction: column;
  animation: site-overlay-in 220ms var(--ease-out);
}
@keyframes site-overlay-in {
  from { opacity: 0; transform: scale(0.99); }
  to   { opacity: 1; transform: scale(1); }
}
.site-overlay__bar {
  flex: 0 0 64px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px;
  background: rgba(0,0,0,0.92); color: #fff;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  backdrop-filter: blur(14px);
}
.site-overlay__title { display: flex; align-items: center; gap: 12px; min-width: 0; }
.site-overlay__title img { height: 24px; width: auto; display: block; }
.site-overlay__title-main {
  font-family: var(--dc-font-display); font-size: 16px; letter-spacing: -0.015em;
}
.site-overlay__title-sub {
  font-family: var(--dc-font-mono); font-size: 11px; color: var(--dc-stone);
  letter-spacing: 0.04em;
}
.site-overlay__toggle {
  display: inline-flex; gap: 4px;
  background: rgba(255,255,255,0.06);
  border-radius: var(--r-md);
  border: 1px solid rgba(255,255,255,0.1);
  padding: 4px;
}
.site-overlay__toggle button {
  font-family: var(--dc-font-body); font-size: 13px; font-weight: 500;
  padding: 6px 14px; border-radius: var(--r-sm); border: none; cursor: pointer;
  background: transparent; color: var(--dc-stone);
  transition: background var(--dur-fast), color var(--dur-fast);
}
.site-overlay__toggle button:hover { color: #fff; }
.site-overlay__toggle button.is-active {
  background: #fff; color: #000;
}
.site-overlay__close {
  width: 38px; height: 38px; border-radius: 999px; border: none; cursor: pointer;
  background: rgba(255,255,255,0.06); color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
}
.site-overlay__close:hover { background: rgba(255,255,255,0.14); }

.site-overlay__screen-nav {
  display: flex; gap: 4px; flex-wrap: wrap;
  padding: 10px 24px; background: var(--dc-black);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  justify-content: center;
}
.site-overlay__screen-nav-btn {
  padding: 8px 14px; border-radius: var(--r-sm);
  background: transparent; color: var(--dc-stone);
  border: 1px solid transparent; cursor: pointer;
  font-family: var(--dc-font-body); font-size: 13px; font-weight: 500;
  transition: all var(--dur-fast) var(--ease-out);
}
.site-overlay__screen-nav-btn:hover { color: #fff; }
.site-overlay__screen-nav-btn.is-active {
  background: #fff; color: #000;
}

.site-overlay__stage {
  flex: 1; overflow: auto;
  background: var(--dc-ink);
  display: flex; justify-content: center;
}
.site-overlay__desktop {
  width: 1440px; flex-shrink: 0;
  background: #fff;
  margin: 0 auto;
}
.site-overlay__phone {
  padding: 32px 16px 64px;
  display: flex; justify-content: center;
  flex: 1;
}
.site-overlay__phone-frame {
  width: 406px; flex-shrink: 0;
  background: #000;
  border-radius: 48px;
  padding: 8px;
  position: sticky; top: 32px;
}
.site-overlay__phone-screen {
  width: 390px; height: calc(100vh - 64px - 96px);
  background: #fff; border-radius: 40px; overflow: auto;
  position: relative;
}

/* ---- Entrance animations ---- */
@keyframes slideUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes scaleUp { from { opacity: 0; transform: scale(0.98); } to { opacity: 1; transform: scale(1); } }
@keyframes fadeIn  { from { opacity: 0; } to { opacity: 1; } }
.enter { opacity: 0; }
.enter.on { animation-fill-mode: forwards; }
.enter.on.e-up    { animation: slideUp 0.5s var(--ease-out) forwards; }
.enter.on.e-scale { animation: scaleUp 0.6s var(--ease-out) forwards; }
.enter.on.e-fade  { animation: fadeIn  0.5s var(--ease-out) forwards; }
.d1 { animation-delay: 0.06s !important; }
.d2 { animation-delay: 0.12s !important; }
.d3 { animation-delay: 0.18s !important; }
.d4 { animation-delay: 0.24s !important; }
.d5 { animation-delay: 0.30s !important; }
.d6 { animation-delay: 0.36s !important; }

/* ---- Cover wordmark lockup ---- */
.dc-lockup {
  display: inline-flex; align-items: center; gap: 14px;
  margin-bottom: 48px;
}
.dc-lockup img { height: 36px; width: auto; display: block; }

/* ---- Mobile-only tab bar (top of slide) ---- */
.mobile-only-tabs { display: none; }

/* ============================================================
   Print
   ============================================================ */
@page { size: A4 landscape; margin: 0; }
@media print {
  body { background: #fff; overflow: visible; }
  .deck { width: auto; height: auto; display: block; position: static !important; }
  .slide-wrap {
    position: relative !important;
    opacity: 1 !important;
    display: flex !important;
    page-break-after: always;
    height: 100vh !important;
    z-index: 1 !important;
  }
  .slide {
    width: 100%; height: 100vh !important;
    page-break-inside: avoid; transform: none !important;
  }
  .deck-nav, .view-site-fab { display: none !important; }
  .enter { opacity: 1 !important; transform: none !important; animation: none !important; }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1200px) and (min-width: 769px) {
  .slide { padding: 56px 56px 72px !important; flex-direction: column !important; justify-content: center !important; }
  .slide__left  { padding-right: 0 !important; flex: none !important; margin-bottom: 32px !important; width: 100% !important; }
  .slide__right { flex: none !important; height: 50vh !important; min-height: 380px !important; width: 100% !important; }
  .slide__footer { padding: 0 56px; }
  .feature-grid { grid-template-columns: 1fr 1fr !important; }
  .process { grid-template-columns: 1fr 1fr !important; gap: 24px !important; }
  .process__conn { display: none !important; }
}

@media (max-width: 768px) {
  .slide { padding: 24px !important; }
  .slide__footer { padding: 0 24px; height: 48px; font-size: 10px; }

  /* Mobile perf: only render the active slide and skip the staggered enter
     animations so slide changes don't composite multiple slide trees and a
     wave of opacity/transform tweens at the same time. */
  .slide-wrap:not(.active) { display: none !important; }
  .slide-wrap.active { opacity: 1 !important; transition: none !important; }
  .enter { opacity: 1 !important; transform: none !important; animation: none !important; }

  .slide-wrap.active .slide__left,
  .slide-wrap.active .slide__center {
    position: absolute !important; top: 0 !important; left: 0 !important;
    width: 100% !important; height: 100% !important; max-width: 100% !important;
    flex: none !important;
    padding: clamp(20px, 4vh, 40px) 20px clamp(80px, 12vh, 110px) 20px !important;
    display: flex !important; flex-direction: column !important; justify-content: flex-start !important;
    z-index: 10 !important;
    opacity: 0; pointer-events: none;
    transition: opacity 0.4s var(--ease-out), transform 0.4s var(--ease-out);
    transform: translateY(20px);
    overflow-y: auto !important;
  }
  .dc-h1 { font-size: clamp(28px, 6vh, 40px) !important; margin-bottom: 12px !important; }
  .dc-h2 { font-size: clamp(24px, 5vh, 36px) !important; margin-bottom: 12px !important; }
  .dc-lede { font-size: clamp(14px, 2.2vh, 16px) !important; margin-bottom: 16px !important; }

  .stat-row { display: grid !important; grid-template-columns: 1fr 1fr !important; margin-top: 16px !important; }
  .stat-box { padding: 12px 14px !important; }
  .stat-box__value { font-size: 24px !important; }

  .slide-wrap.active .slide__right {
    position: absolute !important; top: 0 !important; left: 0 !important;
    width: 100% !important; height: 100% !important; max-width: 100% !important;
    flex: none !important; padding: 88px 16px 110px 16px !important;
    display: flex !important; flex-direction: column !important; align-items: center !important; justify-content: flex-start !important;
    z-index: 5 !important;
    opacity: 0; pointer-events: none;
    transition: opacity 0.4s var(--ease-out), transform 0.4s var(--ease-out);
    transform: scale(0.97);
    gap: 16px !important;
    overflow: hidden !important;
  }
  .slide-wrap.active.step-image .case__mock-wrap {
    width: 100% !important;
    max-width: 100% !important;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 10px 30px -16px rgba(15,23,42,0.22);
  }
  .slide-wrap.active.step-image .case__mock-wrap .desktop-mock {
    border-radius: 14px;
  }

  .slide-wrap.active.step-text .slide__left,
  .slide-wrap.active.step-text .slide__center {
    opacity: 1 !important; transform: translateY(0) !important; pointer-events: auto !important; z-index: 2 !important;
  }
  .slide-wrap.active.step-text .slide__right {
    opacity: 0 !important; pointer-events: none !important; z-index: 1 !important;
  }
  .slide-wrap.active.step-image .slide__left,
  .slide-wrap.active.step-image .slide__center {
    opacity: 0 !important; transform: translateY(-20px) !important; pointer-events: none !important;
  }
  .slide-wrap.active.step-image .slide__right {
    opacity: 1 !important; transform: scale(1) !important; pointer-events: auto !important;
  }

  .deck-nav { bottom: 16px; padding: 6px 12px; gap: 8px; }
  .feature-grid { grid-template-columns: 1fr !important; }
  .feature-grid--2 { grid-template-columns: 1fr !important; }
  .process { grid-template-columns: 1fr !important; gap: 16px !important; margin-top: 24px !important; }
  .process__conn { display: none !important; }
  .process__step { padding-right: 0 !important; text-align: center !important; }
  .process__num { margin-left: auto !important; margin-right: auto !important; }

  .capabilities { gap: 16px 24px; padding: 20px 0; }
  .capabilities__item { font-size: 15px; }
  .slide__footer { display: none !important; }

  .trust-strip__logos { flex-wrap: nowrap !important; gap: 16px !important; align-items: center; }
  .trust-strip__logo { flex-shrink: 1; min-width: 0; }
  .trust-strip__logo--ato { height: 44px !important; }
  .trust-strip__logo--gamlearn { height: 32px !important; }
  .trust-strip__logo--h2h { height: 56px !important; }

  /* Cover: the desktop trust strip + mock cluster don't fit on mobile.
     Swap them for a centered mobile trust strip that lives on the second step. */
  .trust-strip--desktop { display: none !important; }
  .cover__mocks .cover__stage { display: none !important; }
  .trust-strip--mobile {
    display: flex !important;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 28px;
    width: 100%;
    margin: 0;
    text-align: center;
  }
  .trust-strip--mobile .trust-strip__label {
    font-size: 12px;
  }
  .trust-strip--mobile .trust-strip__logos {
    flex-direction: column;
    gap: 32px !important;
    width: 100%;
  }
  .trust-strip--mobile .trust-strip__logo--ato { height: 64px !important; }
  .trust-strip--mobile .trust-strip__logo--gamlearn { height: 48px !important; }
  .trust-strip--mobile .trust-strip__logo--h2h { height: 80px !important; }

  .phone-mock { transform: scale(0.7) !important; transform-origin: center center !important; margin: -85px 0 !important; }
  .phone-mock--lg { transform: scale(0.7) !important; transform-origin: center center !important; margin: -85px 0 !important; }
  .case__phone-cluster .phone-cluster { gap: 0 !important; }
  .case__phone-cluster .phone-mock { margin: -85px -20px !important; }
  .case__phone-cluster .phone-mock--lg { margin: -85px -20px !important; }
  .case__phone-cluster .phone-cluster > .phone-mock:last-child { display: none !important; }

  .desktop-only-tabs { display: none !important; }
  .slide-wrap.step-image .mobile-only-tabs {
    display: flex !important;
    top: 0 !important;
    padding: 12px 0 0 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border-subtle);
  }
  .slide--dark .mobile-only-tabs,
  .slide--ink .mobile-only-tabs {
    background: var(--dc-black);
    border-bottom-color: rgba(255,255,255,0.08);
  }
  .mobile-only-tabs .screen-tabs {
    width: 100%; padding: 0 16px;
    flex-wrap: wrap;
    justify-content: center;
    row-gap: 0;
    border-bottom: none;
  }
  .mobile-only-tabs .screen-tab { padding: 8px 10px; font-size: 12px; }
}