/* GritCargo · Pharmaceutical Cold Chain — fonts loaded via <link> in HTML */

/* ── DESIGN TOKENS ── */
:root {
  --deep-navy:      #253045;
  --signal-green:   #B4EE2B;
  --cargo-black:    #0A0A0A;
  --white:          #FFFFFF;
  --off-white:      #F1F1F1;
  --mist-blue:      #E7F0FF;
  --ink-text:       #212121;
  --slate-grey:     #636363;
  --navy-tint:      #37526E;
  --hairline:       #E4E6EA;
  --alert-amber:    #D96908;
  --fg-on-dark:     var(--white);
  --fg2-on-dark:    #AEB6C2;
  --border-on-dark: rgba(255,255,255,.14);

  --font-display: 'Open Sans', system-ui, sans-serif;
  --font-body:    'Inter', system-ui, sans-serif;
  --font-mono:    'IBM Plex Mono', ui-monospace, monospace;

  --radius-chip:  10px;
  --radius-card:  14px;
  --radius-panel: 18px;
  --radius-pill:  999px;

  --shadow-sm:   0 1px 2px rgba(10,10,10,.06), 0 1px 3px rgba(10,10,10,.08);
  --shadow-md:   0 4px 12px rgba(10,10,10,.08), 0 2px 4px rgba(10,10,10,.05);
  --shadow-lg:   0 18px 48px rgba(10,10,10,.14), 0 6px 16px rgba(10,10,10,.08);
  --shadow-navy: 0 18px 48px rgba(37,48,69,.28);

  --ease: cubic-bezier(.22,.61,.36,1);
  --nav-h: 60px;
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--deep-navy);
  color: var(--ink-text);
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
strong { font-weight: 700; }

/* ── SKIP LINK ── */
.skip-link {
  position: fixed;
  top: -100%;
  left: 1rem;
  z-index: 200;
  background: var(--signal-green);
  color: var(--cargo-black);
  font-weight: 700;
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  transition: top 0.15s;
}
.skip-link:focus { top: 1rem; }

/* ── TYPOGRAPHY ── */
.eyebrow {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--slate-grey);
}
.bg-navy .eyebrow { color: var(--signal-green); }

.hero {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2.2rem, 5vw, 4.2rem);
  line-height: 1.04;
  letter-spacing: -0.015em;
}
.title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.6rem, 3.2vw, 2.8rem);
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--cargo-black);
}
.body {
  font-family: var(--font-body);
  font-size: clamp(0.95rem, 1.1vw, 1.1rem);
  line-height: 1.6;
  color: var(--ink-text);
}
.small {
  font-family: var(--font-body);
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--slate-grey);
}
.card-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  line-height: 1.2;
  color: var(--cargo-black);
}
.accent { color: var(--signal-green); }

.mono-label {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--white);
}
.tagline-italic {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 300;
  font-size: clamp(1rem, 1.6vw, 1.3rem);
  color: #C7CEDA;
}

/* ── WORDMARK ── */
.gc-wordmark {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: lowercase;
  letter-spacing: -0.01em;
  white-space: nowrap;
  color: var(--signal-green);
}

/* ── GRULE (signature green bar) ── */
.grule {
  width: 88px;
  height: 5px;
  background: var(--signal-green);
  border-radius: 999px;
  flex: none;
}

/* ── CHIP ── */
.chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  flex: none;
  background: var(--signal-green);
  border-radius: 12px;
}
.chip img { width: 58%; height: 58%; object-fit: contain; }
.chip.sm { width: 44px; height: 44px; border-radius: var(--radius-chip); }
.chip--mute { background: #E1E3E8; }
.chip--mute img { opacity: 0.55; }

/* ── CARD ── */
.card {
  background: var(--white);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-md);
  transition: box-shadow 0.2s var(--ease), transform 0.2s var(--ease);
}
.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

/* ── STAT ── */
.stat-num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.6rem, 5.5vw, 4rem);
  line-height: 0.95;
  letter-spacing: -0.02em;
  color: var(--cargo-black);
  font-variant-numeric: tabular-nums;
}
.stat-rule {
  width: 64px;
  height: 5px;
  background: var(--signal-green);
  border-radius: 999px;
  margin: 1.1rem 0 0.85rem;
}

/* ── FOCUS RINGS ── */
:focus-visible {
  outline: 2px solid var(--signal-green);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ── PILLS / BUTTONS ── */
.btn-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  padding: 0.8rem 1.6rem;
  border-radius: var(--radius-pill);
  background: var(--signal-green);
  color: var(--cargo-black);
  transition: filter 0.18s var(--ease), transform 0.18s var(--ease);
}
.btn-pill:hover  { filter: brightness(1.06); }
.btn-pill:active { transform: scale(.97); }
.btn-pill--outline {
  background: transparent;
  color: var(--fg-on-dark);
  box-shadow: inset 0 0 0 1.5px rgba(255,255,255,.4);
}
.btn-pill--outline:hover { background: rgba(255,255,255,.08); }

.pill-tag {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.9rem;
  padding: 0.45rem 1rem;
  border-radius: var(--radius-pill);
  background: var(--mist-blue);
  color: var(--cargo-black);
}
.pill-tag--green { background: var(--signal-green); font-weight: 600; }

/* ── NAV ── */
#nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  padding: 0 2rem;
  gap: 2rem;
  background: rgba(10, 12, 18, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,.07);
  transition: background 0.3s;
}
.nav-logo { font-size: 1.3rem; flex: none; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 0;
  flex: 1;
  overflow: hidden;
}
.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg2-on-dark);
  padding: 0.4rem 0.6rem;
  border-radius: 6px;
  white-space: nowrap;
  transition: color 0.15s, background 0.15s;
}
.nav-links a:hover,
.nav-links a.active { color: #fff; background: rgba(255,255,255,.07); }

.nav-cta {
  flex: none;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.82rem;
  color: var(--cargo-black);
  background: var(--signal-green);
  padding: 0.5rem 1.1rem;
  border-radius: var(--radius-pill);
  transition: filter 0.15s var(--ease);
}
.nav-cta:hover { filter: brightness(1.06); }

.nav-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  margin-left: auto;
}
.nav-menu-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform 0.2s, opacity 0.2s;
}

.nav-progress {
  position: fixed;
  top: var(--nav-h);
  left: 0;
  height: 2px;
  background: var(--signal-green);
  z-index: 101;
  width: 0%;
  transition: width 0.1s linear;
}

/* ── MOBILE NAV ── */
.mobile-nav {
  position: fixed;
  top: var(--nav-h);
  left: 0; right: 0;
  z-index: 99;
  background: rgba(10, 12, 18, 0.97);
  display: flex;
  flex-direction: column;
  padding: 1rem 2rem 2rem;
  gap: 0.25rem;
  transform: translateY(-110%);
  visibility: hidden;
  transition: transform 0.28s var(--ease), visibility 0.28s;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.mobile-nav.open { transform: translateY(0); visibility: visible; }
.mobile-nav-link {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg2-on-dark);
  padding: 0.6rem 0;
  border-bottom: 1px solid rgba(255,255,255,.06);
  transition: color 0.15s;
}
.mobile-nav-link:hover { color: #fff; }

/* ── SLIDE LAYOUT ── */
.slide {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  padding: calc(var(--nav-h) + 3rem) 6vw 4rem;
}
.bg-light { background: var(--off-white); }
.bg-navy  { background: var(--deep-navy); }
.bg-mist  { background: var(--mist-blue); }
.bg-navy .body { color: #C7CFDC; }
.bg-navy .small { color: var(--fg2-on-dark); }

.slide-inner {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  flex: 1;
  justify-content: center;
}
.slide-num {
  position: absolute;
  bottom: 2rem;
  right: 6vw;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  color: var(--slate-grey);
}
.col { display: flex; flex-direction: column; gap: 1.25rem; }

/* ── ENTRANCE ANIMATIONS ── */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.55s var(--ease), transform 0.55s var(--ease);
  }
  .reveal.visible { opacity: 1; transform: none; }
  .reveal.d1 { transition-delay: 0.07s; }
  .reveal.d2 { transition-delay: 0.15s; }
  .reveal.d3 { transition-delay: 0.23s; }
  .reveal.d4 { transition-delay: 0.31s; }
  .reveal.d5 { transition-delay: 0.39s; }

  .cover-bg-img,
  .platform-visual .platform-dash {
    will-change: transform;
    transition: transform 0.1s linear;
  }
}

/* ── FULL-BLEED IMAGE SLIDES ── */
.bleed { overflow: hidden; }
.bleed-img { position: absolute; inset: 0; overflow: hidden; }
.bleed-img > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.bleed-scrim { position: absolute; inset: 0; pointer-events: none; }
.bleed-scrim--cover {
  background: linear-gradient(105deg, rgba(18,24,36,.96) 0%, rgba(18,24,36,.86) 40%, rgba(18,24,36,.45) 72%, rgba(18,24,36,.18) 100%);
}
.bleed-scrim--bottom {
  background: linear-gradient(0deg, rgba(18,24,36,.88) 0%, rgba(18,24,36,0) 24%);
}
.bleed-scrim--bottom-strong {
  background: linear-gradient(0deg, rgba(18,24,36,.95) 0%, rgba(18,24,36,.78) 38%, rgba(18,24,36,.4) 70%, rgba(18,24,36,.18) 100%);
}
.bleed .slide-inner { position: relative; z-index: 1; }

/* ── COVER ── */
.cover-inner { gap: 2rem; }
.cover-top { display: flex; }
.partner-badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--white);
  border-radius: var(--radius-pill);
  padding: 0.5rem 1.1rem 0.5rem 0.6rem;
}
.partner-badge-pill img { height: 30px; width: auto; }
.partner-badge-pill span {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ink-text);
}
.cover-content { display: flex; flex-direction: column; gap: 1.4rem; max-width: 1000px; }
.cover-content .hero { color: var(--fg-on-dark); }
.cover-content .body { color: #C7CEDA; max-width: 60ch; }
.cover-cta { display: flex; align-items: center; gap: 1.25rem; flex-wrap: wrap; margin-top: 0.5rem; }
.cover-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

/* ── STAKES ── */
.stakes-inner {
  flex-direction: row;
  align-items: center;
  gap: 3.5rem;
}
.stakes-copy { flex: 1.5; gap: 1.25rem; }
.stakes-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem 2.5rem;
  margin-top: 1rem;
}
.stake .body { font-size: 0.98rem; }
.stakes-img {
  flex: 1;
  align-self: stretch;
  min-height: 420px;
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--mist-blue);
}
.stakes-img img { width: 100%; height: 100%; object-fit: cover; }

/* ── RULES ── */
.reg-matrix {
  display: flex;
  flex-direction: column;
  margin-top: 1rem;
  border-top: 1px solid rgba(255,255,255,.16);
}
.reg-row {
  display: grid;
  grid-template-columns: 130px 320px 1fr;
  gap: 2rem;
  align-items: center;
  padding: 1.4rem 0;
  border-bottom: 1px solid rgba(255,255,255,.16);
}
.reg-region {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.14em;
  color: var(--signal-green);
}
.reg-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--white);
  line-height: 1.2;
}
.reg-detail { font-family: var(--font-body); font-size: 1rem; line-height: 1.45; color: #AEB6C2; }
.reg-cert {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  background: var(--signal-green);
  border-radius: var(--radius-card);
  padding: 1.4rem 1.75rem;
  margin-top: 1.75rem;
}
.reg-cert .chip { background: var(--cargo-black); }
.reg-cert p {
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--cargo-black);
  line-height: 1.35;
}

/* ── BORDER ── */
.border-inner { justify-content: flex-end; gap: 1.5rem; }
.border-inner .title { color: var(--white); }
.border-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 1rem;
}
.border-card {
  background: rgba(20,28,42,.72);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--radius-card);
  padding: 1.6rem;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
.border-card .card-title { margin-bottom: 0.6rem; }
.border-card--accent {
  background: rgba(180,238,43,.16);
  border-color: rgba(180,238,43,.5);
}

/* ── GAP ── */
.gap-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 1.5rem;
}
.gap-card {
  border-radius: var(--radius-card);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.gap-card--old { background: var(--white); border: 1px solid var(--hairline); box-shadow: var(--shadow-sm); }
.gap-card--new { background: var(--deep-navy); }
.gap-img { height: 240px; flex: none; overflow: hidden; }
.gap-img img { width: 100%; height: 100%; object-fit: cover; }
.gap-img--navy {
  background: #2C3A52;
  display: flex;
  align-items: center;
  justify-content: center;
}
.gap-img--navy img { height: 90%; width: auto; object-fit: contain; filter: drop-shadow(0 16px 28px rgba(0,0,0,.4)); }
.gap-body { padding: 1.75rem; display: flex; flex-direction: column; gap: 1rem; flex: 1; }
.gap-head { display: flex; align-items: center; gap: 1rem; }
.gap-title { font-family: var(--font-display); font-weight: 700; font-size: 1.3rem; }
.gap-title--mute { color: var(--slate-grey); }
.gap-verdict {
  margin-top: auto;
  padding-top: 0.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
}
.gap-verdict--mute { color: var(--slate-grey); }

/* ── SOLUTION ── */
.solution-inner { flex-direction: row; align-items: center; gap: 3.5rem; }
.solution-copy { flex: 1.25; gap: 1.25rem; }
.features { display: flex; flex-direction: column; gap: 1rem; }
.feat { display: flex; align-items: center; gap: 1rem; }
.feat .body { font-size: 1.05rem; }
.feat-title { font-family: var(--font-display); font-weight: 700; font-size: 1.1rem; color: var(--white); }
.feat-body { font-family: var(--font-body); font-size: 1rem; line-height: 1.45; color: #C7CEDA; margin-top: 0.25rem; }
.spec-table { margin-top: 0.75rem; border-top: 1px solid #D8DADF; }
.spec-row {
  display: grid;
  grid-template-columns: 1.3fr 1.1fr 2fr;
  gap: 1.5rem;
  align-items: center;
  padding: 0.9rem 0;
  border-bottom: 1px solid #D8DADF;
}
.spec-name { font-family: var(--font-mono); font-weight: 700; font-size: 0.95rem; color: var(--slate-grey); }
.spec-val { font-family: var(--font-display); font-weight: 700; font-size: 1.4rem; color: var(--cargo-black); }
.spec-desc { font-family: var(--font-body); font-size: 0.95rem; line-height: 1.4; color: var(--slate-grey); }
.solution-hero {
  flex: 1;
  align-self: stretch;
  min-height: 440px;
  position: relative;
  border-radius: var(--radius-card);
  background: linear-gradient(160deg,#E7F0FF 0%,#DCE6F5 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.solution-hero img { height: 78%; width: auto; object-fit: contain; filter: drop-shadow(0 30px 50px rgba(10,10,10,.28)); }
.solution-hero-label {
  position: absolute;
  bottom: 2.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.8rem;
  color: var(--deep-navy);
  letter-spacing: -0.01em;
}

/* ── WHAT YOU GAIN ── */
.gain-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 1.5rem;
}
.gain-card { padding: 1.75rem; display: flex; align-items: center; gap: 1.25rem; }
.gain-card .card-title { margin-bottom: 0.4rem; }
.gain-card .body { font-size: 1rem; }

/* ── PLATFORM ── */
.platform-inner { flex-direction: row; align-items: center; gap: 3rem; }
.platform-copy { flex: 1; gap: 1.25rem; max-width: 520px; }
.platform-copy .features { gap: 1.5rem; }
.platform-visual {
  flex: 1.3;
  position: relative;
  align-self: center;
  padding: 1rem 1rem 4rem 0;
}
.platform-dash {
  width: 100%;
  height: auto;
  border-radius: var(--radius-card);
  border: 1px solid rgba(255,255,255,.14);
  box-shadow: 0 30px 60px rgba(0,0,0,.45);
}
.platform-phone {
  position: absolute;
  right: -1.5rem;
  bottom: 0;
  height: 78%;
  width: auto;
  filter: drop-shadow(0 24px 40px rgba(0,0,0,.5));
}

/* ── OUTCOME ── */
.outcome-inner { justify-content: space-between; gap: 2rem; padding-top: 1rem; }
.outcome-content { gap: 1.5rem; max-width: 1000px; }
.outcome-content .hero { font-weight: 500; }
.outcome-cta { display: flex; align-items: center; gap: 1.75rem; flex-wrap: wrap; margin-top: 0.5rem; }
.outcome-foot {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  border-top: 1px solid rgba(255,255,255,.16);
  padding-top: 1.5rem;
}
.outcome-foot-left { display: flex; align-items: baseline; gap: 1.25rem; flex-wrap: wrap; }

/* ── SLIDE COUNTER ── */
.slide-counter {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 90;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(10,12,18,.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-pill);
  padding: 0.35rem 0.75rem;
}
.slide-counter button {
  background: none;
  border: none;
  color: var(--fg2-on-dark);
  cursor: pointer;
  font-size: 0.95rem;
  padding: 0.2rem 0.4rem;
  border-radius: 6px;
  transition: color 0.15s, background 0.15s, opacity 0.15s;
}
.slide-counter button:hover:not(:disabled) { color: #fff; background: rgba(255,255,255,.12); }
.slide-counter button:disabled { opacity: 0.25; cursor: default; }
#slideNum {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--fg2-on-dark);
  white-space: nowrap;
}

/* ── RESPONSIVE ── */
@media (max-width: 1100px) {
  .stakes-inner,
  .solution-inner,
  .platform-inner { flex-direction: column; align-items: stretch; }
  .stakes-img,
  .solution-hero { min-height: 320px; }
  .platform-visual { padding-bottom: 0; }
  .platform-phone { position: static; height: auto; max-width: 240px; margin: 1.25rem auto 0; }
  .platform-copy { max-width: 100%; }
}

@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .nav-menu-btn { display: flex; }

  .border-cards { grid-template-columns: 1fr; }
  .gap-grid { grid-template-columns: 1fr; }
  .gain-grid { grid-template-columns: 1fr; }
  .reg-row { grid-template-columns: 90px 1fr; gap: 0.5rem 1.25rem; }
  .reg-detail { grid-column: 1 / -1; }
}

@media (max-width: 600px) {
  .slide { padding: calc(var(--nav-h) + 1.5rem) 1.25rem 3.5rem; }
  .stakes-stats { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
  .spec-row { grid-template-columns: 1fr auto; gap: 0.4rem 1rem; }
  .spec-desc { grid-column: 1 / -1; }
  .stat-num { font-size: clamp(2rem, 11vw, 3rem); }
  .cover-foot { gap: 0.75rem; }
  .outcome-foot { gap: 1rem; }
  .gain-card { flex-direction: column; align-items: flex-start; }
}