/* =====================================================================
   ENTHUSIAST HYDROGEN CORPORATION — enthusiasth2.com
   main.css · v1.0 · April 2026
   ---------------------------------------------------------------------
   Family: Fraunces / Geist / JetBrains Mono · editorial-industrial.
   Palette: deep teal + cyan — geological frontier, subsurface, water.
   Tone: explorer's logbook. Locate it. Get it. Use it. Long horizon
   by design — the third subsidiary, the patient one.
   ===================================================================== */

/* ---------- DESIGN TOKENS ---------- */
:root {
  --teal:        #0c2a30;
  --teal-2:      #143a42;
  --teal-soft:   rgba(12, 42, 48, 0.78);
  --cream:       #f4ebd9;
  --cream-2:     #ece2cd;
  --cream-dim:   #e0d4ba;
  --cyan:        #5fa8c4;
  --cyan-deep:   #4a8da8;
  --cyan-soft:   rgba(95, 168, 196, 0.55);
  --cyan-line:   rgba(95, 168, 196, 0.22);
  --cyan-faint:  rgba(95, 168, 196, 0.10);
  --rust:        #b8806b;       /* warm tertiary — used very sparingly for "iron oxide" notes */
  --cream-on-teal: #f4ebd9;
  --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(--cyan-line);
  --rule-dark:   1px solid rgba(12, 42, 48, 0.18);

  --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: 1.6;
  color: var(--cream);
  background: var(--teal);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: 'ss01', 'cv11';
  text-rendering: optimizeLegibility;
}
img, svg, video { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; background: none; border: 0; }
a { color: inherit; text-decoration: none; }

/* ---------- DECK LAYOUT — vertical scroll-snap ---------- */
.deck {
  scroll-snap-type: y mandatory;
  height: 100vh;
  overflow-y: scroll;
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--cyan-soft) transparent;
}
.deck::-webkit-scrollbar { width: 6px; }
.deck::-webkit-scrollbar-thumb { background: var(--cyan-soft); border-radius: 3px; }
.deck::-webkit-scrollbar-track { background: transparent; }

.slide {
  scroll-snap-align: start;
  scroll-snap-stop: always;
  min-height: 100vh;
  position: relative;
  padding: 80px var(--pad-x) 56px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

@media (max-width: 768px) {
  .deck { scroll-snap-type: none; height: auto; overflow: visible; }
  .slide { min-height: auto; padding: 64px var(--pad-x) 48px; scroll-snap-align: none; }
}

/* ---------- ALTERNATING PALETTE — dark / light ---------- */
.slide.dark  { background: var(--teal); color: var(--cream);  }
.slide.light { background: var(--cream);  color: var(--teal); }

/* ---------- PERSISTENT NAV BAR ---------- */
.topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px var(--pad-x);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cream);
  mix-blend-mode: difference;
  pointer-events: none;
}
.topbar a, .topbar button { pointer-events: auto; }
.topbar .brand { font-family: var(--serif); font-style: italic; font-size: 18px; letter-spacing: -0.01em; text-transform: none; font-weight: 400; }
.topbar .brand b { font-weight: 600; }
.topbar .nav-right { display: flex; gap: 28px; align-items: center; }
.topbar .nav-right a { opacity: 0.85; transition: opacity 0.2s var(--ease), color 0.2s var(--ease); }
.topbar .nav-right a:hover { opacity: 1; color: var(--cyan); }
@media (max-width: 640px) {
  .topbar { padding: 14px var(--pad-x); }
  .topbar .nav-right { display: none; }
}

/* ---------- PROGRESS RAIL ---------- */
.rail {
  position: fixed;
  right: 28px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 14px;
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.18em;
  mix-blend-mode: difference;
  color: var(--cream);
}
.rail a {
  display: flex;
  align-items: center;
  gap: 10px;
  opacity: 0.45;
  transition: opacity 0.25s var(--ease);
}
.rail a::before {
  content: '';
  width: 18px;
  height: 1px;
  background: currentColor;
  transition: width 0.25s var(--ease), background 0.25s var(--ease);
}
.rail a.is-active { opacity: 1; }
.rail a.is-active::before { width: 36px; background: var(--cyan); }
.rail a:hover { opacity: 1; }
.rail .label { font-variant-numeric: tabular-nums; }
@media (max-width: 900px) { .rail { display: none; } }

/* ---------- AXIS MARKS ---------- */
.axis {
  position: absolute;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  opacity: 0.55;
  line-height: 1.5;
}
.axis.tl { top: 80px;    left: var(--pad-x); }
.axis.tr { top: 80px;    right: var(--pad-x); text-align: right; }
.axis.bl { bottom: 56px; left: var(--pad-x); }
.axis.br { bottom: 56px; right: var(--pad-x); text-align: right; }
.axis b { color: var(--cyan); font-weight: 400; }

@media (max-width: 768px) {
  .axis { font-size: 9px; letter-spacing: 0.18em; }
  .axis.tl, .axis.tr { top: 64px; }
  .axis.bl, .axis.br { bottom: 32px; }
}

/* ---------- PLATE LABEL ---------- */
.plate {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 32px;
}
.plate::before {
  content: '';
  width: 36px;
  height: 1px;
  background: var(--cyan);
}

/* ---------- TYPE SCALE ---------- */
.display {
  font-family: var(--serif);
  font-weight: 300;
  font-style: normal;
  letter-spacing: -0.025em;
  line-height: 0.98;
  font-variation-settings: 'opsz' 144, 'SOFT' 60;
}
.display em { font-style: italic; color: var(--cyan); font-weight: 300; }

h1.display { font-size: clamp(48px, 7.6vw, 132px); }
h2.display { font-size: clamp(40px, 5.8vw, 92px); }
h3.display { font-size: clamp(28px, 3.4vw, 52px); }

.subhead {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 300;
  font-size: clamp(20px, 1.7vw, 26px);
  line-height: 1.45;
  letter-spacing: -0.005em;
  max-width: 60ch;
  opacity: 0.85;
}

.body-copy {
  font-family: var(--sans);
  font-weight: 400;
  font-size: clamp(15px, 1.05vw, 17px);
  line-height: 1.65;
  max-width: 60ch;
}
.body-copy + .body-copy { margin-top: 1.1em; }
.body-copy em { font-style: italic; color: var(--cyan); }

.eyebrow {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--cyan);
}

.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }

/* ---------- HERO (Slide 01) ---------- */
.hero {
  background: var(--teal);
  color: var(--cream);
  padding-bottom: 110px;
}
.hero-grid {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: 1fr auto;
  gap: 48px;
  align-items: end;
  margin-top: 60px;
  position: relative;
  z-index: 2;
}
.hero-content { max-width: 1100px; position: relative; z-index: 2; }
.hero-content h1 { margin-bottom: 32px; }
.hero-content .subhead { margin-bottom: 56px; }

.hero-cta { display: flex; gap: 14px; margin-top: 0; flex-wrap: wrap; margin-bottom: 24px; }

/* Subsurface gradient background — geological strata */
.strata-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.55;
}
.strata-bg svg { width: 100%; height: 100%; }

/* Hero glyph — subsurface H2 well diagram */
.hero-glyph {
  position: absolute;
  top: 50%;
  right: -2%;
  transform: translateY(-50%);
  width: min(660px, 52vw);
  aspect-ratio: 0.75;
  opacity: 0.9;
  z-index: 1;
}
.hero-glyph svg { width: 100%; height: 100%; }
@media (max-width: 1100px) {
  .hero-glyph { right: -16%; opacity: 0.4; width: 90vw; }
}

.hero-stats {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: var(--hairline);
  padding-top: 24px;
}
.hero-stat {
  padding: 0 24px 0 0;
  border-right: var(--hairline);
}
.hero-stat:last-child { border-right: 0; padding-right: 0; }
.hero-stat .value {
  font-family: var(--mono);
  font-size: clamp(20px, 2.1vw, 28px);
  font-weight: 500;
  color: var(--cream);
  letter-spacing: -0.01em;
  line-height: 1.1;
  margin-bottom: 6px;
}
.hero-stat .value em { color: var(--cyan); font-style: normal; }
.hero-stat .label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-mute);
  line-height: 1.4;
}
@media (max-width: 768px) {
  .hero-stats { grid-template-columns: 1fr 1fr; gap: 24px 0; padding-top: 18px; }
  .hero-stat { padding: 0 18px 0 0; }
  .hero-stat:nth-child(2n) { border-right: 0; padding-right: 0; }
  .hero-stat:nth-child(odd) { border-right: var(--hairline); }
  .hero-stat:nth-child(3), .hero-stat:nth-child(4) { padding-top: 18px; border-top: var(--hairline); }
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  border: 1px solid var(--cyan);
  color: var(--cream);
  background: transparent;
  cursor: pointer;
  transition: all 0.25s var(--ease);
}
.btn::after { content: '→'; transition: transform 0.25s var(--ease); }
.btn:hover { background: var(--cyan); color: var(--teal); }
.btn:hover::after { transform: translateX(4px); }
.btn.primary { background: var(--cyan); color: var(--teal); }
.btn.primary:hover { background: transparent; color: var(--cream); }
.slide.light .btn { color: var(--teal); }
.slide.light .btn:hover { background: var(--cyan-deep); color: var(--cream); border-color: var(--cyan-deep); }
.slide.light .btn.primary { background: var(--cyan-deep); color: var(--cream); border-color: var(--cyan-deep); }
.slide.light .btn.primary:hover { background: transparent; color: var(--teal); border-color: var(--teal); }

/* ---------- WHY HYDROGEN (Slide 02) — four sources of natural hydrogen ---------- */
.sources-block { flex: 1; display: flex; flex-direction: column; margin-top: 40px; }
.sources-block h2 { margin-bottom: 24px; max-width: 22ch; }
.sources-block .subhead { margin-bottom: 0; }

.sources-head {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 56px;
  align-items: stretch;
  margin-bottom: 56px;
}
.sources-text { display: flex; flex-direction: column; }
.sources-asset {
  position: relative;
  border: var(--rule-dark);
  background:
    radial-gradient(ellipse at 50% 50%, rgba(95,168,196,0.06), transparent 70%),
    rgba(12, 42, 48, 0.02);
  min-height: 420px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.slide.dark .sources-asset { background: rgba(244,235,217,0.02); border: 1px solid rgba(244,235,217,0.16); }
.sources-asset svg { width: 100%; height: 100%; max-height: 100%; }

@media (max-width: 900px) {
  .sources-head { grid-template-columns: 1fr; gap: 32px; }
  .sources-asset { min-height: 320px; order: 2; }
  .sources-text { order: 1; }
}

.sources {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--cyan);
  border-bottom: 1px solid var(--cyan);
}
.source {
  padding: 32px 28px 36px;
  border-right: var(--rule-dark);
  display: flex;
  flex-direction: column;
}
.slide.dark .source { border-right: 1px solid rgba(244,235,217,0.18); }
.source:last-child { border-right: 0; }
.source .snum {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 18px;
}
.source .stype {
  font-family: var(--serif);
  font-size: clamp(22px, 2.3vw, 30px);
  font-weight: 400;
  font-style: italic;
  letter-spacing: -0.015em;
  line-height: 1.15;
  margin-bottom: 8px;
  color: var(--cyan);
}
.source .sterm {
  font-family: var(--serif);
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 16px;
  font-variation-settings: 'opsz' 144;
}
.source .sdesc {
  font-family: var(--sans);
  font-size: 13px;
  line-height: 1.55;
  opacity: 0.78;
  margin-bottom: 20px;
  flex: 1;
}
.source .seq {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--cyan);
  padding-top: 14px;
  border-top: 1px solid var(--cyan-line);
  opacity: 0.85;
  text-transform: none;
  font-weight: 400;
}
.source .seq sub { font-size: 0.7em; vertical-align: -0.1em; }

@media (max-width: 900px) {
  .sources { grid-template-columns: 1fr 1fr; }
  .source:nth-child(2n) { border-right: 0; }
  .source:nth-child(1), .source:nth-child(2) { border-bottom: var(--rule-dark); }
  .slide.dark .source:nth-child(1), .slide.dark .source:nth-child(2) { border-bottom: 1px solid rgba(244,235,217,0.18); }
}
@media (max-width: 540px) {
  .sources { grid-template-columns: 1fr; }
  .source { border-right: 0 !important; border-bottom: var(--rule-dark); }
  .source:last-child { border-bottom: 0; }
}

/* ---------- LOCATE IT / GET IT / USE IT (Slide 03) — process triptych ---------- */
.process-layout {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 64px;
  margin-top: 40px;
  align-items: stretch;
}
.process-meta { display: flex; flex-direction: column; padding-top: 8px; }
.process-meta h2 { margin-bottom: 24px; max-width: 18ch; }
.process-meta .body-copy { margin-bottom: 24px; }

.steps { display: flex; flex-direction: column; gap: 0; }
.step {
  padding: 28px 0;
  border-bottom: var(--rule-dark);
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 32px;
  align-items: baseline;
}
.slide.dark .step { border-bottom: 1px solid rgba(244,235,217,0.16); }
.step:last-child { border-bottom: 0; }
.step .stepnum {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
}
.step h3 {
  font-family: var(--serif);
  font-size: clamp(28px, 3vw, 42px);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 14px;
}
.step h3 em { font-style: italic; color: var(--cyan); }
.step p {
  font-family: var(--sans);
  font-size: 14.5px;
  line-height: 1.6;
  opacity: 0.78;
  max-width: 56ch;
}
.step p strong {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

@media (max-width: 900px) {
  .process-layout { grid-template-columns: 1fr; gap: 32px; }
  .step { grid-template-columns: 1fr; gap: 8px; }
}

/* ---------- TARGET (Slide 04) — Reelfoot Rift map ---------- */
.target-layout {
  flex: 1;
  display: grid;
  grid-template-columns: minmax(0, 480px) 1fr;
  gap: 64px;
  margin-top: 40px;
  align-items: stretch;
}
.target-meta { display: flex; flex-direction: column; padding-top: 8px; }
.target-meta h2 { margin-bottom: 24px; max-width: 18ch; }
.target-meta .body-copy { margin-bottom: 24px; }

.target-asset {
  position: relative;
  border: 1px solid rgba(244,235,217,0.18);
  background:
    radial-gradient(ellipse at 50% 50%, rgba(95,168,196,0.08), transparent 70%),
    var(--teal-2);
  min-height: 60vh;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.slide.light .target-asset { background: rgba(12,42,48,0.04); border: 1px solid rgba(12,42,48,0.18); }
.target-asset svg { width: 100%; height: 100%; }

.facts {
  margin-top: 32px;
  padding-top: 24px;
  border-top: var(--hairline);
}
.fact {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 10px 0;
  border-bottom: 1px solid rgba(244,235,217,0.08);
  font-family: var(--mono);
  font-size: 12px;
  gap: 16px;
}
.slide.light .fact { border-bottom: 1px solid rgba(12,42,48,0.10); }
.fact .label { opacity: 0.72; flex: 1; }
.fact .val { color: var(--cyan); font-weight: 500; white-space: nowrap; }
.fact:last-child { border-bottom: 0; }

@media (max-width: 900px) {
  .target-layout { grid-template-columns: 1fr; gap: 36px; }
  .target-asset { min-height: 360px; order: 2; }
  .target-meta { order: 1; }
}

/* ---------- CHALLENGES (Slide 05) — candid difficulty acknowledgment ---------- */
.challenges-block { flex: 1; display: flex; flex-direction: column; margin-top: 40px; }
.challenges-block h2 { margin-bottom: 24px; max-width: 22ch; }
.challenges-block .body-copy { margin-bottom: 56px; }

.challenges {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.challenge {
  border: var(--rule-dark);
  padding: 28px 28px 32px;
  background: rgba(12, 42, 48, 0.02);
  display: flex;
  flex-direction: column;
}
.slide.dark .challenge { border: 1px solid rgba(244,235,217,0.16); background: rgba(244,235,217,0.02); }
.challenge .cnum {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 18px;
  display: flex; align-items: center; gap: 12px;
}
.challenge .cnum::before { content: ''; width: 28px; height: 1px; background: var(--cyan); }
.challenge h3 {
  font-family: var(--serif);
  font-size: clamp(22px, 2.2vw, 28px);
  font-weight: 400;
  letter-spacing: -0.015em;
  line-height: 1.2;
  margin-bottom: 12px;
}
.challenge h3 em { font-style: italic; color: var(--cyan); }
.challenge p {
  font-family: var(--sans);
  font-size: 13.5px;
  line-height: 1.55;
  opacity: 0.75;
}
.challenge p strong { color: var(--cyan); font-weight: 500; }

@media (max-width: 900px) {
  .challenges { grid-template-columns: 1fr; gap: 20px; }
}

/* ---------- PARTNERS (Slide 06) — collaborator roster ---------- */
.partners-block { flex: 1; display: flex; flex-direction: column; margin-top: 40px; }
.partners-block h2 { margin-bottom: 24px; max-width: 22ch; }
.partners-block .body-copy { margin-bottom: 48px; }

.partner-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 48px;
}
.partner-card {
  border: 1px solid rgba(244,235,217,0.16);
  padding: 28px 28px 32px;
  background: rgba(244,235,217,0.02);
}
.slide.light .partner-card { border: var(--rule-dark); background: rgba(12,42,48,0.02); }
.partner-card .role {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 14px;
  display: flex; align-items: center; gap: 12px;
}
.partner-card .role::before { content: ''; width: 24px; height: 1px; background: var(--cyan); }
.partner-card .pname {
  font-family: var(--serif);
  font-size: clamp(20px, 2vw, 26px);
  font-weight: 400;
  letter-spacing: -0.01em;
  line-height: 1.15;
  margin-bottom: 12px;
}
.partner-card .ploc {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  opacity: 0.6;
  margin-bottom: 16px;
}
.partner-card .pdesc {
  font-family: var(--sans);
  font-size: 13px;
  line-height: 1.55;
  opacity: 0.75;
}

.contributors {
  border-top: var(--hairline);
  padding-top: 32px;
}
.contributors h4 {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 20px;
  font-weight: 400;
}
.contributor-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px 24px;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.5;
}
.contributor-list .c-name { color: var(--cream); opacity: 0.85; display: block; }
.slide.light .contributor-list .c-name { color: var(--teal); }
.contributor-list .c-role { color: var(--cyan); font-size: 10px; letter-spacing: 0.06em; opacity: 0.85; }

@media (max-width: 900px) {
  .partner-grid { grid-template-columns: 1fr; gap: 20px; }
  .contributor-list { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 540px) {
  .contributor-list { grid-template-columns: 1fr; }
}

/* ---------- CONTACT (Slide 07) ---------- */
.contact-block {
  flex: 1;
  display: grid;
  grid-template-columns: minmax(0, 400px) minmax(0, 1fr);
  gap: 64px;
  margin-top: 40px;
  align-items: start;
}
.contact-meta { padding-top: 8px; }
.contact-meta h2 { margin-bottom: 24px; }
.contact-meta .body-copy { margin-bottom: 24px; }
.contact-meta .meta-list {
  margin-top: 32px;
  padding-top: 24px;
  border-top: var(--hairline);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  line-height: 1.9;
  opacity: 0.78;
}
.contact-meta .meta-list b { color: var(--cyan); font-weight: 400; }

.form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px 20px;
}
.field { display: flex; flex-direction: column; }
.field.full { grid-column: 1 / -1; }
.field label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 8px;
}
.field input, .field select, .field textarea {
  font-family: var(--sans);
  font-size: 15px;
  padding: 12px 14px;
  background: rgba(244,235,217,0.04);
  border: 1px solid rgba(244,235,217,0.18);
  color: var(--cream);
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
  outline: none;
  border-radius: 0;
  -webkit-appearance: none;
}
.slide.light .field input, .slide.light .field select, .slide.light .field textarea {
  background: rgba(12,42,48,0.04);
  border: 1px solid rgba(12,42,48,0.18);
  color: var(--teal);
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--cyan);
  background: rgba(95,168,196,0.08);
}
.field textarea { resize: vertical; min-height: 120px; line-height: 1.55; }
.field select {
  appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path fill='none' stroke='%235fa8c4' stroke-width='1.5' d='M1 1l5 5 5-5'/></svg>");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 38px;
}
.honeypot { position: absolute; left: -10000px; opacity: 0; pointer-events: none; }

.form-submit {
  grid-column: 1 / -1;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 8px;
  gap: 16px;
  flex-wrap: wrap;
}
.form-msg {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  opacity: 0;
  transition: opacity 0.3s var(--ease);
}
.form-msg.show { opacity: 1; }
.form-msg.ok { color: var(--cyan); }
.form-msg.err { color: #d4593c; }

@media (max-width: 900px) {
  .contact-block { grid-template-columns: 1fr; gap: 36px; }
  .form { grid-template-columns: 1fr; }
}

/* ---------- FOOTER ---------- */
.foot {
  background: var(--teal);
  color: var(--cream);
  min-height: auto;
  padding-top: 80px;
  padding-bottom: 32px;
}
.foot-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 56px;
  border-top: var(--hairline);
  padding-top: 56px;
  margin-top: 40px;
}
.foot-brand { display: flex; flex-direction: column; gap: 18px; max-width: 36ch; }
.foot-brand .mark {
  font-family: var(--serif);
  font-style: italic;
  font-size: 28px;
  font-weight: 400;
  letter-spacing: -0.01em;
}
.foot-brand .mark b { font-weight: 600; }
.foot-brand .tag {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  opacity: 0.62;
  text-transform: uppercase;
  line-height: 1.7;
}
.foot-col h5 {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 16px;
  font-weight: 400;
}
.foot-col ul { list-style: none; }
.foot-col li { margin-bottom: 9px; font-size: 13px; }
.foot-col a {
  opacity: 0.78;
  transition: opacity 0.2s var(--ease), color 0.2s var(--ease);
}
.foot-col a:hover { opacity: 1; color: var(--cyan); }

.foot-rule {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  margin-top: 56px;
  border-top: var(--hairline);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  opacity: 0.55;
  flex-wrap: wrap;
  gap: 16px;
}
.foot-rule a { transition: opacity 0.2s var(--ease); }
.foot-rule a:hover { opacity: 1; color: var(--cyan); }

@media (max-width: 900px) {
  .foot-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .foot-brand { grid-column: 1 / -1; }
}
@media (max-width: 540px) {
  .foot-grid { grid-template-columns: 1fr; gap: 32px; }
  .foot-rule { flex-direction: column; align-items: flex-start; }
}

/* ---------- REVEALS ---------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.95s var(--ease), transform 0.95s var(--ease);
}
.reveal.is-in { opacity: 1; transform: translateY(0); }
.reveal.delay-1 { transition-delay: 0.10s; }
.reveal.delay-2 { transition-delay: 0.20s; }
.reveal.delay-3 { transition-delay: 0.30s; }
.reveal.delay-4 { transition-delay: 0.40s; }

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

/* ---------- SELECTION ---------- */
::selection { background: var(--cyan); color: var(--teal); }