/* =====================================================================
   ENTHUSIAST HYDROGEN CORPORATION — enthusiasth2.com
   main.css · v3.0 · May 2026
   ---------------------------------------------------------------------
   Editorial-industrial deck system: Fraunces / Geist / JetBrains Mono.
   Teal-on-deep-ink palette. Slide-snap rhythm. FIG-numbered plates.
   Subsurface narrative — natural hydrogen exploration.
   ===================================================================== */

/* ---------- DESIGN TOKENS ---------- */
:root {
  --ink:        #0c2a30;
  --ink-2:      #143a42;
  --ink-3:      #1a4a52;
  --ink-soft:   rgba(12, 42, 48, 0.78);

  --cream:       #f4ebd9;
  --cream-2:     #ece2cd;
  --cream-dim:   #e0d4ba;

  --teal:        #5fa8c4;
  --teal-2:      #4992a8;
  --teal-3:      #7bc0d6;
  --teal-soft:   rgba(95, 168, 196, 0.55);
  --teal-line:   rgba(95, 168, 196, 0.20);
  --teal-faint:  rgba(95, 168, 196, 0.10);

  --accent:      #b8806b;
  --accent-2:    #8a5a45;

  --ink-mute:    rgba(244, 235, 217, 0.62);
  --ink-faint:   rgba(244, 235, 217, 0.30);

  --serif:       'Fraunces', 'Times New Roman', serif;
  --sans:        'Geist', system-ui, -apple-system, sans-serif;
  --mono:        'JetBrains Mono', 'Menlo', 'Consolas', monospace;

  --hairline:    1px solid var(--teal-line);

  --ease:        cubic-bezier(0.22, 1, 0.36, 1);
  --pad-x:       max(28px, 4vw);
}

/* ---------- RESET ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  color: var(--cream);
  background: var(--ink);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: 'ss01', 'cv11';
  text-rendering: optimizeLegibility;
}

img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
input, textarea, select { font: inherit; color: inherit; }

/* ---------- TYPOGRAPHY ---------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--serif);
  font-weight: 300;
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.display {
  font-family: var(--serif);
  font-weight: 300;
  line-height: 0.98;
  letter-spacing: -0.025em;
  font-size: clamp(48px, 7vw, 96px);
  color: var(--cream);
}

.display em {
  font-style: italic;
  color: var(--teal-3);
}

h1.display { font-size: clamp(56px, 8.5vw, 112px); }

h2 { font-size: clamp(32px, 4vw, 48px); }
h3 { font-size: clamp(22px, 2.5vw, 28px); font-weight: 400; }
h4 { font-size: 18px; font-weight: 500; letter-spacing: -0.01em; }

h3 em { font-style: italic; color: var(--teal-3); font-weight: 400; }

.subhead {
  font-family: var(--sans);
  font-size: clamp(15px, 1.4vw, 18px);
  font-weight: 300;
  line-height: 1.55;
  color: var(--ink-mute);
  max-width: 56ch;
}

.body-copy {
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.65;
  font-weight: 300;
  color: var(--ink-mute);
  max-width: 62ch;
}

.body-copy + .body-copy { margin-top: 12px; }

strong { color: var(--cream); font-weight: 500; }
em { font-style: italic; }

/* ---------- PLATE LABELS (FIG-XX style) ---------- */
.plate {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--teal);
  display: inline-flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 32px;
}
.plate::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--teal);
  display: inline-block;
}

/* ---------- AXIS LABELS (corner technical anchors) ---------- */
.axis {
  position: absolute;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.16em;
  line-height: 1.55;
  text-transform: uppercase;
  color: var(--ink-faint);
  pointer-events: none;
  z-index: 2;
}
.axis b {
  color: var(--teal);
  font-weight: 500;
}
.axis.tl { top: 28px;    left: var(--pad-x); }
.axis.tr { top: 28px;    right: var(--pad-x); text-align: right; }
.axis.bl { bottom: 28px; left: var(--pad-x); }
.axis.br { bottom: 28px; right: var(--pad-x); text-align: right; }

/* ---------- TOP NAV ---------- */
nav.topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px var(--pad-x);
  background: rgba(12, 42, 48, 0.78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--teal-line);
}

nav.topbar .brand {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--cream);
}
nav.topbar .brand b { font-weight: 500; }
nav.topbar .brand em { color: var(--teal-3); font-style: italic; font-weight: 400; }

nav.topbar .nav-right {
  display: flex;
  gap: 28px;
}
nav.topbar .nav-right a {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-mute);
  transition: color 0.2s var(--ease);
}
nav.topbar .nav-right a:hover { color: var(--teal-3); }

@media (max-width: 720px) {
  nav.topbar { padding: 14px 20px; }
  nav.topbar .nav-right { display: none; }
}

/* ---------- SLIDE RAIL (right-edge slide indicator) ---------- */
.rail {
  position: fixed;
  top: 50%;
  right: 18px;
  transform: translateY(-50%);
  z-index: 40;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.rail a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border: 1px solid var(--teal-line);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.06em;
  color: var(--ink-faint);
  transition: all 0.25s var(--ease);
}
.rail a:hover {
  color: var(--teal-3);
  border-color: var(--teal);
}
.rail a.active {
  color: var(--ink);
  background: var(--teal);
  border-color: var(--teal);
}

@media (max-width: 720px) { .rail { display: none; } }

/* ---------- DECK + SLIDE BASE ---------- */
.deck {
  scroll-snap-type: y mandatory;
  height: 100vh;
  overflow-y: scroll;
  scroll-behavior: smooth;
}

.slide {
  scroll-snap-align: start;
  min-height: 100vh;
  position: relative;
  padding: 92px var(--pad-x) 80px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.slide.dark { background: var(--ink); color: var(--cream); }
.slide.light {
  background: var(--cream);
  color: var(--ink);
}
.slide.light .plate { color: var(--accent-2); }
.slide.light .plate::before { background: var(--accent-2); }
.slide.light .display { color: var(--ink); }
.slide.light .display em { color: var(--accent); }
.slide.light .subhead,
.slide.light .body-copy { color: rgba(12, 42, 48, 0.72); }
.slide.light strong { color: var(--ink); }
.slide.light h3 em { color: var(--accent); }
.slide.light .axis { color: rgba(12, 42, 48, 0.36); }
.slide.light .axis b { color: var(--accent-2); }

/* ---------- SLIDE 01 — HERO ---------- */
.slide.hero {
  background: var(--ink);
  position: relative;
  overflow: hidden;
}

.strata-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg,
      transparent 0%,
      rgba(20, 58, 66, 0.32) 50%,
      rgba(95, 168, 196, 0.10) 100%);
  pointer-events: none;
}

.hero-glyph {
  position: absolute;
  top: 50%;
  right: 5vw;
  transform: translateY(-50%);
  width: clamp(280px, 32vw, 460px);
  opacity: 0.92;
  pointer-events: none;
  z-index: 1;
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 56px;
  align-items: center;
  max-width: 1320px;
}

.hero-content { max-width: 640px; }
.hero-content .display { margin-bottom: 24px; }
.hero-content .subhead { margin-bottom: 36px; }

.hero-cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px 36px;
  padding-left: 28px;
  border-left: 1px solid var(--teal-line);
}

.hero-stat .value {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(28px, 3.2vw, 42px);
  line-height: 1;
  color: var(--teal-3);
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}
.hero-stat .value em {
  font-style: italic;
  font-size: 0.7em;
  color: var(--teal-soft);
}
.hero-stat .label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-mute);
  line-height: 1.5;
}

@media (max-width: 980px) {
  .hero-glyph { display: none; }
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-stats { grid-template-columns: 1fr 1fr; padding-left: 0; border-left: 0; padding-top: 28px; border-top: 1px solid var(--teal-line); }
}

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 22px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid var(--teal);
  color: var(--cream);
  transition: all 0.25s var(--ease);
}
.btn:hover { background: var(--teal); color: var(--ink); }
.btn.primary { background: var(--teal); color: var(--ink); }
.btn.primary:hover { background: var(--teal-3); border-color: var(--teal-3); }

.slide.light .btn { border-color: var(--accent-2); color: var(--ink); }
.slide.light .btn:hover { background: var(--accent-2); color: var(--cream); }
.slide.light .btn.primary { background: var(--accent-2); color: var(--cream); }
.slide.light .btn.primary:hover { background: var(--accent); border-color: var(--accent); }

/* ---------- SLIDE 02 — SOURCES ---------- */
.sources-block { max-width: 1320px; width: 100%; }

.sources-head {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 56px;
  align-items: start;
  margin-bottom: 64px;
}

.sources-text .display { margin-bottom: 24px; }
.sources-text .subhead { color: rgba(12, 42, 48, 0.72); }

.sources-asset {
  position: relative;
  width: 100%;
  display: flex;
  justify-content: center;
}

.sources {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  border-top: 1px solid rgba(12, 42, 48, 0.16);
  padding-top: 36px;
}

.source { position: relative; }

.source .snum {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin-bottom: 12px;
}
.source .stype {
  font-family: var(--serif);
  font-style: italic;
  font-size: 22px;
  color: var(--ink);
  margin-bottom: 6px;
}
.source .sterm {
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 12px;
}
.source .sdesc {
  font-size: 13.5px;
  line-height: 1.6;
  color: rgba(12, 42, 48, 0.72);
  margin-bottom: 14px;
}
.source .seq {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  color: var(--accent-2);
  padding: 6px 10px;
  background: rgba(184, 128, 107, 0.08);
  border-left: 1px solid var(--accent-2);
  display: inline-block;
}

@media (max-width: 980px) {
  .sources-head { grid-template-columns: 1fr; }
  .sources { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 540px) {
  .sources { grid-template-columns: 1fr; }
}

/* ---------- SLIDE 03 — PROCESS ---------- */
.process-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 64px;
  max-width: 1320px;
  width: 100%;
  align-items: start;
}

.process-meta { max-width: 480px; }
.process-meta .display { margin-bottom: 24px; }
.process-meta .body-copy + .body-copy { margin-top: 14px; }

.steps {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.step {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 24px;
  padding: 24px 0;
  border-top: 1px solid var(--teal-line);
}
.step:last-child { border-bottom: 1px solid var(--teal-line); }

.step .stepnum {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--teal);
}

.step h3 {
  margin-bottom: 10px;
  color: var(--cream);
}

.step p {
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--ink-mute);
}

@media (max-width: 980px) {
  .process-layout { grid-template-columns: 1fr; }
  .step { grid-template-columns: 1fr; gap: 10px; }
}

/* ---------- SLIDE 04 — TARGET ---------- */
.target-layout {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 64px;
  max-width: 1320px;
  width: 100%;
  align-items: center;
}

.target-meta { max-width: 540px; }
.target-meta .display { margin-bottom: 24px; }

.facts {
  margin-top: 36px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-top: 24px;
  border-top: 1px solid var(--teal-line);
}

.fact {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding: 8px 0;
  border-bottom: 1px solid var(--teal-faint);
}
.fact .label {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.fact .val {
  font-family: var(--serif);
  font-style: italic;
  font-size: 16px;
  color: var(--teal-3);
  font-weight: 400;
  letter-spacing: -0.01em;
}

.target-asset {
  position: relative;
}

@media (max-width: 980px) {
  .target-layout { grid-template-columns: 1fr; }
}

/* ---------- SLIDE 05 — CHALLENGES ---------- */
.challenges-block { max-width: 1320px; width: 100%; }
.challenges-block .display { margin-bottom: 24px; max-width: 18ch; }
.challenges-block .body-copy { margin-bottom: 56px; max-width: 78ch; }

.challenges {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.challenge {
  padding: 28px;
  border: 1px solid var(--teal-line);
  background: rgba(20, 58, 66, 0.32);
  position: relative;
}

.challenge .cnum {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 18px;
}
.challenge h3 {
  font-family: var(--serif);
  font-weight: 300;
  font-size: 26px;
  color: var(--cream);
  margin-bottom: 14px;
}
.challenge p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink-mute);
}

@media (max-width: 980px) {
  .challenges { grid-template-columns: 1fr; gap: 20px; }
}

/* ---------- SLIDE 06 — PARTNERS ---------- */
.partners-block { max-width: 1320px; width: 100%; }
.partners-block .display { margin-bottom: 24px; max-width: 22ch; }
.partners-block .body-copy { margin-bottom: 48px; max-width: 78ch; }

.partner-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 64px;
}

.partner-card {
  padding: 28px 24px;
  border: 1px solid rgba(12, 42, 48, 0.16);
  background: rgba(255, 255, 255, 0.4);
}

.partner-card .role {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin-bottom: 14px;
}
.partner-card .pname {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 22px;
  color: var(--ink);
  letter-spacing: -0.01em;
  margin-bottom: 4px;
}
.partner-card .ploc {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(12, 42, 48, 0.55);
  margin-bottom: 14px;
}
.partner-card .pdesc {
  font-size: 13.5px;
  line-height: 1.6;
  color: rgba(12, 42, 48, 0.72);
}

.contributors {
  border-top: 1px solid rgba(12, 42, 48, 0.16);
  padding-top: 32px;
}

.contributors h4 {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin-bottom: 20px;
}

.contributor-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px 28px;
}

.contributor-list > div {
  font-size: 13.5px;
  line-height: 1.6;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(12, 42, 48, 0.08);
}
.contributor-list .c-name {
  font-weight: 500;
  color: var(--ink);
}
.contributor-list .c-role {
  color: rgba(12, 42, 48, 0.62);
  font-size: 12.5px;
}

@media (max-width: 980px) {
  .partner-grid { grid-template-columns: 1fr; gap: 18px; }
  .contributor-list { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 540px) {
  .contributor-list { grid-template-columns: 1fr; }
}

/* ---------- SLIDE 07 — CONTACT ---------- */
.contact-block {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 64px;
  max-width: 1320px;
  width: 100%;
  align-items: start;
}

.contact-meta { max-width: 480px; }
.contact-meta .display { margin-bottom: 24px; }
.contact-meta .body-copy { margin-bottom: 32px; }

.meta-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--ink-mute);
  line-height: 1.7;
  padding-top: 24px;
  border-top: 1px solid var(--teal-line);
}
.meta-list b {
  color: var(--teal);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 10.5px;
  margin-right: 6px;
}

/* ---------- FORM ---------- */
.form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.field { display: flex; flex-direction: column; gap: 6px; }
.field.full { grid-column: 1 / -1; }

.field label {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
}

.field input,
.field select,
.field textarea {
  padding: 12px 14px;
  background: rgba(20, 58, 66, 0.45);
  border: 1px solid var(--teal-line);
  color: var(--cream);
  font-family: var(--sans);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}
.field input::placeholder,
.field textarea::placeholder { color: rgba(244, 235, 217, 0.32); }
.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--teal);
  background: rgba(20, 58, 66, 0.65);
}
.field textarea {
  min-height: 120px;
  resize: vertical;
  font-family: var(--sans);
}
.field select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--teal) 50%),
                    linear-gradient(135deg, var(--teal) 50%, transparent 50%);
  background-position: calc(100% - 18px) 50%, calc(100% - 13px) 50%;
  background-size: 5px 5px;
  background-repeat: no-repeat;
  padding-right: 32px;
}

/* Honeypot — hidden field for bot trap */
.honeypot {
  position: absolute;
  left: -9999px;
  top: -9999px;
  visibility: hidden;
}

.form-submit {
  grid-column: 1 / -1;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--teal-faint);
}
.form-submit .form-msg {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--teal-3);
}
.form-submit .form-msg.error { color: #d97757; }
.form-submit .form-msg.success { color: var(--teal-3); }

.form-submit .btn { font-size: 11.5px; padding: 14px 28px; }

@media (max-width: 980px) {
  .contact-block { grid-template-columns: 1fr; gap: 40px; }
  .form { grid-template-columns: 1fr; }
}

/* ---------- FOOTER ---------- */
footer.foot {
  background: var(--cream);
  color: var(--ink);
  padding: 64px var(--pad-x) 32px;
  border-top: 1px solid rgba(12, 42, 48, 0.10);
}

footer.foot .plate {
  color: var(--accent-2);
  margin-bottom: 36px;
}
footer.foot .plate::before { background: var(--accent-2); }

.foot-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
  max-width: 1320px;
}

.foot-brand { max-width: 260px; }
.foot-brand .mark {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 400;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}
.foot-brand .mark.logo-mark { font-size: 0; }
.foot-brand .mark b { font-weight: 500; }
.foot-brand .mark em { font-style: italic; color: var(--accent); }

.foot-brand .tag {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  line-height: 1.65;
  color: rgba(12, 42, 48, 0.62);
  margin-bottom: 14px;
}

.foot-col h5 {
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin-bottom: 18px;
}

.foot-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.foot-col ul li { font-size: 13.5px; }
.foot-col ul a {
  color: rgba(12, 42, 48, 0.78);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}
.foot-col ul a:hover {
  color: var(--accent-2);
  border-bottom-color: var(--accent-2);
}
.foot-col ul small {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: rgba(12, 42, 48, 0.45);
}

.foot-rule {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid rgba(12, 42, 48, 0.10);
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  color: rgba(12, 42, 48, 0.55);
  max-width: 1320px;
}

@media (max-width: 980px) {
  .foot-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .foot-rule { flex-direction: column; gap: 12px; align-items: flex-start; }
}
@media (max-width: 540px) {
  .foot-grid { grid-template-columns: 1fr; }
}

/* ---------- REVEAL ANIMATIONS ---------- */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}
.reveal.delay-1 { transition-delay: 0.1s; }
.reveal.delay-2 { transition-delay: 0.2s; }
.reveal.delay-3 { transition-delay: 0.3s; }
.reveal.delay-4 { transition-delay: 0.4s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
  .deck { scroll-snap-type: none; }
}

/* ---------- UTILITY ---------- */
sub { font-size: 0.65em; vertical-align: sub; }
sup { font-size: 0.65em; vertical-align: super; }

/* END OF main.css */