/* Self-hosted (not Google Fonts' CDN) so every weight is one unicode-range-
   free file: the CDN version splits cyrillic vs. cyrillic-ext into separate
   woff2s, and Kazakh letters (ә/қ/ғ/ң) only exist in the cyrillic-ext file —
   loading two files for one line of text caused visible baseline jitter
   on Windows. */
@font-face {
  font-family: 'Geologica';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/fonts/Geologica-400.woff2') format('woff2');
}
@font-face {
  font-family: 'Geologica';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('/fonts/Geologica-600.woff2') format('woff2');
}
@font-face {
  font-family: 'Geologica';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('/fonts/Geologica-700.woff2') format('woff2');
}
@font-face {
  font-family: 'Geologica';
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url('/fonts/Geologica-800.woff2') format('woff2');
}

:root {
  --bg: #EEF3F4; --ink: #101718; --sub: #5D6A6C; --tag: #445052;
  --line: #DAE5E6; --card: #FFFFFF; --depth: #C3D2D3;
  --accent: #12A2B8; --accent2: #E0A11C;
  --btnbg: #0A2E37; --btnfg: #F0FAFC; --btndepth: #061D24; --wordmark: #E0A11C;
  --btnshadow: rgba(9, 40, 33, 0.30); --btnshadow-strong: rgba(9, 40, 33, 0.42); --wm: #DCE4E5;
  /* Error color for the waitlist form, tuned against --btnbg (its own
     background), not the page background — the two diverge sharply
     between themes (dark teal here vs. bright cyan in dark mode). */
  --error: #FFB4B4; --error-border: #E85D5D;
}

html.dark {
  --bg: #0A1315; --ink: #E6F1F3; --sub: #90A3A6; --tag: #AAC2C5;
  --line: #1B2A2C; --card: #111A1B; --depth: #041E22;
  --accent: #2FC3E0; --accent2: #F7B23A;
  --btnbg: #2FC3E0; --btnfg: #062229; --btndepth: #1892AC; --wordmark: #F7B23A;
  --btnshadow: rgba(0, 0, 0, 0.50); --btnshadow-strong: rgba(47, 195, 224, 0.38); --wm: #182A2C;
  --error: #7A1616; --error-border: #7A1616;
}

* { box-sizing: border-box; }

.is-hidden {
  display: none !important;
}

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
}

body {
  background: var(--bg);
  transition: background-color 0.25s;
  font-family: 'Geologica', -apple-system, 'Segoe UI', Roboto, sans-serif;
}

a { color: inherit; }
a:hover { color: var(--accent2); }

button {
  font: inherit;
}

@keyframes rotIn {
  0% { opacity: 0; transform: translateY(7px); }
  100% { opacity: 1; transform: translateY(0); }
}

@keyframes wlIn {
  0% { opacity: 0; transform: translateY(18px); }
  100% { opacity: 1; transform: translateY(0); }
}

@keyframes confettiPop {
  0% { transform: translate(0, 0) rotate(0deg); opacity: 1; }
  100% { transform: translate(var(--dx), var(--dy)) rotate(var(--rot)); opacity: 0; }
}

@keyframes amtPopA {
  0% { opacity: 0; transform: translateY(10px) scale(0.8); }
  16% { opacity: 1; transform: translateY(0) scale(1.08); }
  30% { transform: translateY(0) scale(1); }
  74% { opacity: 1; transform: translateY(-2px) scale(1); }
  100% { opacity: 0; transform: translateY(-18px) scale(1); }
}

@keyframes amtPopB {
  0% { opacity: 0; transform: translateY(10px) scale(0.8); }
  16% { opacity: 1; transform: translateY(0) scale(1.08); }
  30% { transform: translateY(0) scale(1); }
  74% { opacity: 1; transform: translateY(-2px) scale(1); }
  100% { opacity: 0; transform: translateY(-18px) scale(1); }
}

.page {
  height: 100vh;
  height: 100dvh;
  overflow-y: auto;
  overflow-x: hidden;
  scroll-snap-type: y mandatory;
  background: var(--bg);
  position: relative;
  transition: background-color 0.25s;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.page::-webkit-scrollbar {
  display: none;
}

.slide {
  height: 100vh;
  height: 100dvh;
  scroll-snap-align: start;
  scroll-snap-stop: always;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.chart-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

/* Nav */
.nav {
  position: fixed;
  top: 14px;
  right: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 10;
}

/* Slide dots */
.slide-dots {
  position: fixed;
  left: clamp(14px, 3vw, 28px);
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.slide-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: none;
  padding: 0;
  cursor: pointer;
  background: var(--depth);
  transition: background-color 0.2s ease, transform 0.2s ease;
}

.slide-dot:hover {
  background: var(--accent2);
}

.slide-dot.is-active {
  background: var(--accent2);
  transform: scale(1.3);
}

.nav-btn {
  display: flex;
  align-items: center;
  gap: 7px;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
  border-radius: 999px;
  padding: 8px 14px;
  font-family: 'Geologica', -apple-system, 'Segoe UI', Roboto, sans-serif;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-decoration: none;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.nav-btn:hover {
  border-color: var(--ink);
  background: var(--card);
}

.nav-btn--tg,
.nav-btn--x {
  width: 36px;
  height: 36px;
  padding: 0;
  justify-content: center;
}

.nav-btn--tg .nav-btn-label,
.nav-btn--x .nav-btn-label {
  display: none;
}

.nav-btn--tg:hover,
.nav-btn--x:hover {
  color: var(--accent2);
}

#langBtn:hover {
  color: var(--accent2);
}

#langBtn:hover svg path {
  stroke: var(--accent2);
}

.lang-wrap {
  position: relative;
}

.lang-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.12);
  min-width: 132px;
  z-index: 8;
}

.lang-opt {
  padding: 9px 13px;
  border-radius: 10px;
  border: none;
  appearance: none;
  cursor: pointer;
  text-align: left;
  font-family: 'Geologica', -apple-system, 'Segoe UI', Roboto, sans-serif;
  font-size: 13.5px;
  font-weight: 700;
  background: transparent;
  color: var(--ink);
  transition: background-color 0.15s;
}

.lang-opt:hover {
  background: var(--line);
}

.lang-opt.selected {
  font-weight: 800;
  background: var(--ink);
  color: var(--bg);
}

.theme-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--card);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  transition: border-color 0.15s ease;
}

.theme-btn:hover {
  border-color: var(--ink);
}

.theme-btn:hover .theme-icon circle:first-child,
.theme-btn:hover .theme-icon path {
  fill: var(--accent2);
  stroke: var(--accent2);
}

/* Hero */
.hero {
  position: relative;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: clamp(12px, 2.6vh, 30px);
  padding: clamp(56px, 11vh, 84px) clamp(20px, 5vw, 64px) clamp(14px, 3vh, 44px);
}

.cs-watermark {
  position: absolute;
  top: clamp(64px, 13vh, 150px);
  left: 0;
  right: 0;
  z-index: 0;
  pointer-events: none;
  font-family: 'Geologica', -apple-system, 'Segoe UI', Roboto, sans-serif;
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 0.82;
  text-align: center;
  white-space: nowrap;
  color: var(--wm);
  font-size: min(clamp(70px, 16vw, 196px), 26vh);
}

.counter-pill {
  position: relative;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 9px 18px;
  width: fit-content;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--sub);
}

.counter-num {
  color: var(--ink);
  font-weight: 800;
}

.press-wrap {
  position: relative;
  z-index: 2;
}

.press-btn {
  font-family: 'Geologica', -apple-system, 'Segoe UI', Roboto, sans-serif;
  font-weight: 800;
  font-size: min(clamp(40px, 7.5vw, 90px), 12vh);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--btnfg);
  background: var(--btnbg);
  border: none;
  border-radius: 999px;
  padding: 0.32em 0.72em 0.38em;
  margin: 0;
  cursor: pointer;
  box-shadow: 0 0.16em 0 var(--btndepth), 0 0.5em 1.1em var(--btnshadow);
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  transition: transform 0.16s cubic-bezier(0.22, 0.68, 0.32, 1), box-shadow 0.16s ease, filter 0.16s ease;
}

.press-btn:hover {
  transform: translateY(-0.045em);
  box-shadow: 0 0.22em 0 var(--btndepth), 0 0.8em 1.7em var(--btnshadow-strong);
  filter: brightness(1.04);
}

.press-btn:active {
  transform: translateY(0.1em);
  box-shadow: 0 0.04em 0 var(--btndepth), 0 0.14em 0.35em var(--btnshadow);
}

.particles {
  position: absolute;
  inset: -60px;
  pointer-events: none;
}

.particle {
  position: absolute;
  animation: confettiPop 900ms cubic-bezier(0.2, 0.7, 0.3, 1) forwards;
}

.press-amt {
  position: absolute;
  left: 100%;
  top: 40%;
  margin-left: 18px;
  white-space: nowrap;
  font-family: 'Geologica', -apple-system, 'Segoe UI', Roboto, sans-serif;
  font-weight: 800;
  font-size: 26px;
  letter-spacing: -0.01em;
  color: var(--accent2);
}

@media (max-width: 620px) {
  .press-amt {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    margin-top: 12px;
    margin-left: 0;
    text-align: center;
    white-space: nowrap;
    font-size: 30px;
  }
}

.press-hint {
  position: absolute;
  right: 100%;
  top: 40%;
  margin-right: clamp(8px, 2.5vw, 18px);
  display: flex;
  align-items: center;
  gap: clamp(4px, 1.5vw, 8px);
  max-width: 22vw;
}

.press-hint svg {
  flex: none;
  width: clamp(18px, 4.5vw, 32px);
  height: auto;
}

.press-hint span {
  font-size: clamp(10px, 3vw, 14px);
  font-weight: 800;
  color: var(--accent2);
  transform: rotate(-2deg);
  display: inline-block;
  line-height: 1.15;
}

/* Tagline area */
.tagline-area {
  position: relative;
  margin-top: auto;
  padding: 0 clamp(20px, 6vw, 64px) clamp(24px, 5vh, 54px);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.tagline {
  font-family: 'Geologica', -apple-system, 'Segoe UI', Roboto, sans-serif;
  font-weight: 800;
  font-size: min(clamp(30px, 5.2vw, 62px), 9vh);
  line-height: 1.0;
  letter-spacing: -0.02em;
  text-align: center;
  color: var(--ink);
}

.tag-rot {
  color: var(--accent2);
  display: inline-block;
  animation: rotIn 0.5s cubic-bezier(0.2, 0.7, 0.3, 1) both;
}

/* About slide (slide 2) */
.about-watermark {
  position: absolute;
  top: clamp(48px, 10vh, 110px);
  left: 0;
  right: 0;
  z-index: 0;
  pointer-events: none;
  font-family: 'Geologica', -apple-system, 'Segoe UI', Roboto, sans-serif;
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 0.82;
  text-align: center;
  white-space: nowrap;
  color: var(--wm);
  font-size: min(clamp(50px, 11vw, 140px), 18vh);
}

.about-body {
  position: relative;
  z-index: 2;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  gap: clamp(18px, 3vh, 28px);
  padding: clamp(90px, 18vh, 160px) clamp(24px, 8vw, 120px) clamp(24px, 6vh, 60px);
  max-width: 760px;
  margin: 0 auto;
}

.about-brand {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.22em;
  z-index: 1;
  pointer-events: none;
  font-family: 'Geologica', -apple-system, 'Segoe UI', Roboto, sans-serif;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1;
  text-align: center;
  white-space: nowrap;
  color: var(--accent2);
  font-size: min(clamp(60px, 14vw, 170px), 20vh);
}

.about-body p {
  margin: 0;
  font-family: 'Geologica', -apple-system, 'Segoe UI', Roboto, sans-serif;
  font-size: clamp(14px, 2.1vw, 18px);
  line-height: 1.55;
  color: var(--tag);
}

.about-body strong {
  color: var(--accent2);
  font-weight: 800;
}

/* Waitlist */
.waitlist {
  position: absolute;
  left: 0;
  right: 0;
  bottom: calc(100% + 4px);
  z-index: 6;
  display: flex;
  justify-content: center;
  padding: 0 clamp(20px, 6vw, 64px);
  pointer-events: none;
}

.wl-active, .wl-done {
  width: min(440px, 100%);
  pointer-events: auto;
  background: var(--btnbg);
  color: var(--btnfg);
  border-radius: 18px;
  padding: 15px 16px;
  box-shadow: 0 12px 34px rgba(9, 40, 33, 0.32);
  animation: wlIn 0.5s cubic-bezier(0.2, 0.7, 0.3, 1) both;
}

.wl-active {
  display: flex;
  flex-direction: column;
  gap: 11px;
}

.wl-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.wl-title {
  flex: 1;
  font-family: 'Geologica', -apple-system, 'Segoe UI', Roboto, sans-serif;
  font-weight: 800;
  font-size: 14.5px;
  line-height: 1.25;
  text-align: left;
}

.wl-close {
  flex: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: none;
  background: rgba(255,255,255,0.12);
  color: var(--btnfg);
  cursor: pointer;
  font-size: 15px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.wl-close:hover {
  background: rgba(255,255,255,0.22);
}

.wl-form {
  display: flex;
  gap: 8px;
}

.wl-input {
  flex: 1;
  min-width: 0;
  background: var(--btnfg);
  color: var(--ink);
  border: 2px solid transparent;
  outline: none;
  border-radius: 999px;
  padding: 9px 14px;
  font-family: 'Geologica', -apple-system, 'Segoe UI', Roboto, sans-serif;
  font-size: 13.5px;
  font-weight: 600;
  transition: border-color 0.15s ease;
}

.wl-input.is-invalid {
  border-color: var(--error-border);
}

.wl-error {
  color: var(--error);
  font-family: 'Geologica', -apple-system, 'Segoe UI', Roboto, sans-serif;
  font-size: 12px;
  font-weight: 700;
  text-align: left;
  padding: 0 4px;
}

.cf-turnstile {
  width: 0;
  height: 0;
  overflow: hidden;
}

.wl-submit {
  flex: none;
  background: var(--accent2);
  color: #1a1400;
  border: none;
  font-weight: 800;
  font-size: 16px;
  border-radius: 999px;
  padding: 0 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  transition: filter 0.15s ease;
}

.wl-submit:hover {
  filter: brightness(1.06);
}

.wl-submit:disabled,
.wl-input:disabled {
  cursor: not-allowed;
}

.wl-submit:disabled:hover {
  filter: none;
}

.wl-done {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: 'Geologica', -apple-system, 'Segoe UI', Roboto, sans-serif;
  font-weight: 800;
  font-size: 14.5px;
  line-height: 1.3;
  text-align: left;
}

.wl-done-check {
  flex: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--accent2);
  color: #1a1400;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 800;
}

.wl-done-text {
  flex: 1;
}

.wl-done-close {
  flex: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: none;
  background: transparent;
  color: var(--btnfg);
  opacity: 0.45;
  cursor: pointer;
  font-size: 15px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  transition: opacity 0.15s ease, background 0.15s ease;
}

.wl-done-close:hover {
  opacity: 1;
  background: rgba(255,255,255,0.12);
}