/* ============================================================
   Save The Patient — style.css
   Monochrome editorial system: pure black/white/gray interface,
   0px corners everywhere, 75px pills for actions only,
   one iridescent gesture (the hero wash). No shadows.
   ============================================================ */

:root {
  /* Colors */
  --color-obsidian: #000000;
  --color-paper: #ffffff;
  --color-inkstone: #181818;
  --color-felt-gray: #6d6d6d;
  --color-slate-pill: #636363;
  --color-ash-mist: #9a9a9a;
  --color-pewter: #808080;
  --gradient-iridescent-fade:
    linear-gradient(90deg, rgb(160, 224, 171), rgb(255, 172, 46) 50%, rgb(165, 45, 37));

  /* Semantic aliases (inline SVG marks read these) */
  --accent: currentColor;
  --accent-2: currentColor;

  /* Type */
  --font-roobert: 'Roobert', 'Inter', ui-sans-serif, system-ui, -apple-system,
                  BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-system-ui: system-ui, ui-sans-serif, -apple-system, BlinkMacSystemFont,
                    "Segoe UI", Roboto, sans-serif;

  --text-label: 11px;
  --text-caption: 12px;
  --text-body-sm: 16px;
  --text-body: 18px;

  --weight-light: 300;
  --weight-regular: 400;
  --weight-semibold: 600;

  /* Spacing */
  --spacing-8: 8px;
  --spacing-12: 12px;
  --spacing-28: 28px;
  --spacing-40: 40px;
  --spacing-48: 48px;
  --spacing-64: 64px;
  --spacing-68: 68px;
  --spacing-152: 152px;

  /* Layout */
  --page-max-width: 1078px;
  --section-gap: 46px;
  --card-padding: 34px;
  --element-gap: 14px;
  --gutter: 28px;
  --header-h: 66px;

  /* Shape */
  --radius-cards: 0px;
  --radius-buttons: 75px;

  /* Motion */
  --ease-glide: cubic-bezier(0.19, 1, 0.22, 1);
  --dur-glide: 0.8s;
  --dur-long: 1.25s;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  overflow-x: clip;
}

body {
  margin: 0;
  font-family: var(--font-roobert);
  font-weight: var(--weight-regular);
  font-size: var(--text-body);
  line-height: 1.58;
  color: var(--color-obsidian);
  background: var(--color-paper);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: opacity var(--dur-glide) var(--ease-glide);
}
a:hover { opacity: 0.55; }

img, svg { max-width: 100%; }

strong { font-weight: var(--weight-semibold); }

/* ============================================================
   HEADER — transparent, invisible until content scrolls behind
   ============================================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 60;
  height: var(--header-h);
  color: var(--color-paper);          /* hero is dark — header starts inverse */
  background: transparent;
  transition: background-color var(--dur-glide) var(--ease-glide),
              color var(--dur-glide) var(--ease-glide);
}

/* once content scrolls behind it, the bar inverts to paper */
.site-header.is-scrolled,
.site-header.is-solid {
  background: var(--color-paper);
  color: var(--color-obsidian);
  border-bottom: 1px solid rgba(0, 0, 0, 0.14);
}

.header-inner {
  max-width: var(--page-max-width);
  height: 100%;
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-28);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-12);
  font-size: var(--text-body-sm);
  font-weight: var(--weight-regular);
  letter-spacing: 0.01em;
}
.logo-claw { flex: none; }

.site-nav {
  display: flex;
  gap: var(--spacing-28);
}
.site-nav a {
  font-size: var(--text-label);
  line-height: 1.36;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* burger */
.nav-toggle { display: none; }
.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px 0;
}
.burger span {
  width: 22px;
  height: 1px;
  background: currentColor;
}

/* ============================================================
   LAYOUT PRIMITIVES
   ============================================================ */
.section {
  position: relative;
  max-width: var(--page-max-width);
  margin-inline: auto;
  padding: var(--spacing-152) var(--gutter);
  scroll-margin-top: var(--header-h);
}

/* full-bleed inverse band */
.band {
  position: relative;
  background: var(--color-obsidian);
  color: var(--color-paper);
  padding: var(--spacing-152) 0;
  scroll-margin-top: var(--header-h);
}
.band-inner {
  max-width: var(--page-max-width);
  margin-inline: auto;
  padding: 0 var(--gutter);
}
.band a { color: var(--color-paper); }

/* dividers are hairlines, not ornament */
.dots-divider {
  max-width: var(--page-max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.dots-divider span { display: none; }
.dots-divider::before {
  content: "";
  display: block;
  border-top: 1px solid var(--color-obsidian);
  opacity: 0.14;
}

/* ============================================================
   TYPE
   ============================================================ */
.overline {
  display: block;
  font-size: var(--text-label);
  line-height: 1.36;
  font-weight: var(--weight-regular);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-felt-gray);
  margin: 0 0 var(--spacing-28);
}
.band .overline { color: var(--color-ash-mist); }
.overline-center { margin-inline: 0; }   /* nothing centers outside the hero */

.section-title {
  font-size: clamp(2.4rem, 6.2vw, 4.875rem);   /* → 78px */
  font-weight: var(--weight-light);
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 0 0 var(--spacing-40);
  max-width: 18ch;
}

.section-lede {
  font-size: var(--text-body);
  line-height: 1.58;
  color: var(--color-felt-gray);
  max-width: 60ch;
  margin: 0 0 var(--spacing-64);
}
.band .section-lede { color: var(--color-ash-mist); }

/* ============================================================
   BUTTONS — the only pill geometry in the system
   ============================================================ */
.btn {
  display: inline-block;
  padding: 11px 33px;
  border-radius: var(--radius-buttons);
  border: 1px solid var(--color-obsidian);
  background: transparent;
  color: var(--color-obsidian);
  font-size: var(--text-body-sm);
  font-weight: var(--weight-regular);
  line-height: 1.15;
  transition: letter-spacing var(--dur-glide) var(--ease-glide),
              border-color var(--dur-glide) var(--ease-glide),
              color var(--dur-glide) var(--ease-glide);
}
.btn:hover {
  opacity: 1;
  letter-spacing: 0.06em;
}

/* on dark surfaces / hero media */
.hero .btn,
.band .btn {
  border-color: rgba(255, 255, 255, 0.3);
  color: var(--color-paper);
}
.hero .btn:hover,
.band .btn:hover { border-color: rgba(255, 255, 255, 0.75); }

.btn-secondary { border-color: rgba(0, 0, 0, 0.3); }

/* ============================================================
   HERO — full-viewport iridescent wash under one monumental line
   ============================================================ */
.hero {
  position: relative;
  max-width: none;
  min-height: 100svh;
  margin: 0;
  padding: calc(var(--header-h) + var(--spacing-64)) 0 var(--spacing-64);
  display: flex;
  align-items: center;
  background: var(--color-obsidian);
  color: var(--color-paper);
  overflow: hidden;
  isolation: isolate;
}

/* liquid light — the single chromatic surface on the page */
.hero::before,
.hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  pointer-events: none;
  filter: blur(60px);
}
.hero::before {
  inset: -22% -14% -10% -14%;
  background:
    radial-gradient(46% 58% at 22% 34%, rgba(160, 224, 171, 0.95), transparent 68%),
    radial-gradient(52% 62% at 62% 26%, rgba(255, 172, 46, 0.92), transparent 66%),
    radial-gradient(58% 66% at 82% 76%, rgba(165, 45, 37, 0.95), transparent 70%),
    radial-gradient(70% 70% at 30% 92%, rgba(165, 45, 37, 0.55), transparent 72%);
  opacity: 0.9;
  animation: hero-drift 26s var(--ease-glide) infinite alternate;
}
.hero::after {
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.55) 0%, rgba(0, 0, 0, 0.2) 42%, rgba(0, 0, 0, 0.75) 100%);
  filter: none;
}

@keyframes hero-drift {
  from { transform: scale(1) translate3d(0, 0, 0); }
  to   { transform: scale(1.12) translate3d(-3%, 2%, 0); }
}

.hero-grid {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--page-max-width);
  margin-inline: auto;
  padding: 0 var(--gutter);
}

.hero-copy { max-width: 100%; }

.hero-copy .overline { color: rgba(255, 255, 255, 0.7); }

.hero-copy h1 {
  font-size: clamp(3rem, 10.5vw, 9.375rem);   /* up to 150px */
  font-weight: var(--weight-regular);
  line-height: 0.9;
  letter-spacing: -0.02em;
  margin: 0 0 var(--spacing-40);
  max-width: 14ch;
}

.subtitle {
  font-size: var(--text-body);
  line-height: 1.58;
  color: rgba(255, 255, 255, 0.78);
  max-width: 52ch;
  margin: 0 0 var(--spacing-48);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--element-gap);
  margin-bottom: var(--spacing-64);
}

/* the illustrated cabinet is retired — type owns the hero */
.hero-art { display: none; }

/* key facts read as a label row, not as chips */
.compliance-strip {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-28);
  padding: var(--spacing-28) 0 0;
  margin: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.3);
}
.pill {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-8);
  font-size: var(--text-label);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.85);
}
.pill-check {
  width: 13px;
  height: 13px;
  flex: none;
}

/* rotating scroll badge */
.scroll-badge {
  position: absolute;
  left: var(--gutter);
  bottom: var(--spacing-40);
  z-index: 2;
  width: 92px;
  height: 92px;
  color: var(--color-paper);
  animation: badge-spin 18s linear infinite;
}
@keyframes badge-spin {
  to { transform: rotate(360deg); }
}

/* ============================================================
   GAME — the page's one piece of media
   ============================================================ */
.game-frame {
  max-width: none;
  margin: 0;
  padding: 0;
  background: none;
  border: none;
}
#game-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 960 / 540;
  border-radius: var(--radius-cards);
  overflow: hidden;
  background: #000;
}
#game {
  display: block;
  width: 100%;
  height: 100%;
  background: #000000;
  outline: none;
  touch-action: none;
}
#hud {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.hud-coins {
  position: absolute;
  top: var(--spacing-12);
  left: var(--spacing-12);
  padding: 6px 18px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-buttons);
  background: transparent;
  color: var(--color-paper);
  font-size: var(--text-label);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.hud-prizes { top: 48px; }
.hud-stack {
  position: absolute;
  top: var(--spacing-12);
  right: var(--spacing-12);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-8);
}
.hud-btn {
  width: 40px;
  height: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-cards);
  background: transparent;
}
.hud-btn .glyph {
  color: var(--color-paper);
  font-size: var(--text-caption);
  line-height: 1;
}
.hud-btn .cap {
  color: rgba(255, 255, 255, 0.6);
  font-size: 9px;
  letter-spacing: 0.08em;
  margin-top: 3px;
}
.controls-hint {
  margin: var(--spacing-28) 0 0;
  font-size: var(--text-caption);
  line-height: 1.19;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-felt-gray);
}

/* ============================================================
   HOW TO PLAY — numbered editorial rows
   ============================================================ */
.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--section-gap);
}
.tl-step {
  padding-top: var(--spacing-28);
  border-top: 1px solid rgba(0, 0, 0, 0.14);
}
.tl-num {
  font-size: 3.375rem;               /* 54px */
  font-weight: var(--weight-light);
  line-height: 1;
  color: var(--color-ash-mist);
  margin-bottom: var(--spacing-28);
}
.tl-step h3 {
  margin: 0 0 var(--element-gap);
  font-size: var(--text-body);
  font-weight: var(--weight-regular);
  line-height: 1.21;
}
.tl-step p {
  margin: 0;
  font-size: var(--text-body-sm);
  line-height: 1.58;
  color: var(--color-felt-gray);
}

@media (min-width: 880px) {
  .timeline {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-40);
  }
}

/* ============================================================
   WHAT IS A CLAW MACHINE — asymmetric prose + facts
   ============================================================ */
.whatis-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: var(--spacing-64);
  align-items: start;
}
.whatis-prose p {
  margin: 0 0 var(--spacing-28);
  color: var(--color-inkstone);
  max-width: 62ch;
}
.whatis-prose p:last-child { margin-bottom: 0; }

.facts-panel {
  border: 1px solid rgba(0, 0, 0, 0.14);
  border-radius: var(--radius-cards);
  padding: var(--card-padding);
}
.facts-panel h3 {
  margin: 0 0 var(--spacing-28);
  font-size: var(--text-label);
  font-weight: var(--weight-regular);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-felt-gray);
}
.facts-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--spacing-28);
}
.facts-list li {
  display: flex;
  gap: var(--element-gap);
  align-items: flex-start;
}
.fact-icon {
  width: 20px;
  height: 20px;
  flex: none;
  color: var(--color-obsidian);
  margin-top: 3px;
}
.fact-label {
  display: block;
  font-size: var(--text-label);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-felt-gray);
  margin-bottom: 4px;
}
.fact-value {
  display: block;
  font-size: var(--text-body-sm);
  line-height: 1.35;
}

.whatis-note {
  margin: var(--spacing-64) 0 0;
  padding: var(--spacing-40) 0 0;
  border-top: 1px solid var(--color-obsidian);
  font-size: clamp(1.35rem, 3vw, 2.4375rem);   /* → 39px */
  font-weight: var(--weight-light);
  line-height: 1.19;
  max-width: 26ch;
}

/* ============================================================
   ABOUT — inverse band
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: var(--spacing-64);
  align-items: start;
}
.about-prose p {
  margin: 0 0 var(--spacing-28);
  color: rgba(255, 255, 255, 0.72);
  max-width: 60ch;
}
.about-prose p:last-child { margin-bottom: 0; }
.about-prose strong { color: var(--color-paper); }

.about-glance {
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-cards);
  padding: var(--card-padding);
}
.about-glance h3 {
  margin: 0 0 var(--spacing-28);
  font-size: var(--text-label);
  font-weight: var(--weight-regular);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-ash-mist);
}
.glance-list { margin: 0; }
.glance-row {
  display: grid;
  gap: 4px;
  padding: var(--element-gap) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}
.glance-row:last-child { border-bottom: none; padding-bottom: 0; }
.glance-row dt {
  font-size: var(--text-label);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-ash-mist);
}
.glance-row dd {
  margin: 0;
  font-size: var(--text-body-sm);
  line-height: 1.35;
  color: var(--color-paper);
}

/* ============================================================
   RESPONSIBLE PLAY
   ============================================================ */
.responsible-wrap {
  max-width: 62ch;
  margin: 0;
}
.responsible-badge { display: none; }
.responsible-wrap p {
  margin: 0 0 var(--spacing-28);
  color: var(--color-inkstone);
}
.responsible-wrap .responsible-note {
  margin: var(--spacing-48) 0 0;
  padding: var(--spacing-28) 0 0;
  border-top: 1px solid var(--color-obsidian);
  font-size: var(--text-body-sm);
  color: var(--color-obsidian);
}

/* ============================================================
   FAQ — hairline accordion
   ============================================================ */
.faq-list {
  margin: 0;
  border-top: 1px solid rgba(0, 0, 0, 0.14);
}
.faq-item {
  border-bottom: 1px solid rgba(0, 0, 0, 0.14);
}
.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: var(--spacing-28) 0;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--spacing-40);
  font-size: clamp(1.15rem, 2.4vw, 1.6875rem);
  font-weight: var(--weight-light);
  line-height: 1.25;
  transition: opacity var(--dur-glide) var(--ease-glide);
}
.faq-item summary:hover { opacity: 0.55; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "";
  flex: none;
  width: 14px;
  height: 14px;
  align-self: center;
  background:
    linear-gradient(currentColor, currentColor) center / 14px 1px no-repeat,
    linear-gradient(currentColor, currentColor) center / 1px 14px no-repeat;
  transition: transform var(--dur-glide) var(--ease-glide);
}
.faq-item[open] summary::after { transform: rotate(135deg); }
.faq-body { padding: 0 0 var(--spacing-28); max-width: 62ch; }
.faq-body p {
  margin: 0;
  font-size: var(--text-body-sm);
  color: var(--color-felt-gray);
}

/* ============================================================
   POLICY PAGES
   ============================================================ */
.policy-main {
  max-width: var(--page-max-width);
  margin: 0 auto;
  padding: calc(var(--header-h) + var(--spacing-68)) var(--gutter) var(--spacing-152);
}
.policy-back {
  display: inline-block;
  font-size: var(--text-label);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-felt-gray);
  margin-bottom: var(--spacing-48);
}
.policy-card {
  border: none;
  border-radius: var(--radius-cards);
  padding: 0;
  max-width: 72ch;
}
.policy-card h1 {
  font-size: clamp(2.4rem, 6.2vw, 4.875rem);
  font-weight: var(--weight-light);
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 0 0 var(--element-gap);
}
.policy-card .policy-updated {
  font-size: var(--text-label);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-felt-gray);
  margin: 0 0 var(--spacing-64);
}
.policy-card h2 {
  font-size: var(--text-body);
  font-weight: var(--weight-semibold);
  line-height: 1.21;
  margin: var(--spacing-48) 0 var(--element-gap);
  padding-top: var(--element-gap);
  border-top: 1px solid rgba(0, 0, 0, 0.14);
}
.policy-card h2:first-of-type { margin-top: var(--spacing-28); }
.policy-card p,
.policy-card li {
  color: var(--color-felt-gray);
  font-size: var(--text-body-sm);
}
.policy-card p { margin: 0 0 var(--spacing-12); }
.policy-card ul { margin: 0 0 var(--spacing-12); padding-left: 1.15rem; }
.policy-card li { margin: var(--spacing-8) 0; }
.policy-card strong { color: var(--color-obsidian); }
.policy-card a { text-decoration: underline; text-underline-offset: 3px; }

/* ============================================================
   FOOTER — inverse address block
   ============================================================ */
.site-footer {
  background: var(--color-obsidian);
  color: var(--color-ash-mist);
}
.footer-inner {
  max-width: var(--page-max-width);
  margin: 0 auto;
  padding: var(--spacing-152) var(--gutter) var(--spacing-64);
  text-align: left;
}
.site-footer .footer-mark {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-12);
  color: var(--color-paper);
  font-size: clamp(1.85rem, 5.6vw, 3.375rem);   /* → 54px */
  font-weight: var(--weight-light);
  line-height: 1.1;
  margin: 0 0 var(--spacing-48);
}
.site-footer .footer-mark svg { width: 34px; height: 34px; }
.site-footer p {
  margin: var(--spacing-8) 0;
  font-size: var(--text-label);
  line-height: 1.36;
  max-width: 46ch;
}
.footer-strong { color: var(--color-paper); }
.footer-links {
  margin-top: var(--spacing-40) !important;
  display: flex;
  flex-wrap: wrap;
  gap: var(--element-gap);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  max-width: none !important;
}
.footer-links a { color: var(--color-paper); }
.footer-copy { margin-top: var(--spacing-40) !important; }
.site-footer a { color: var(--color-paper); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .whatis-grid,
  .about-grid { grid-template-columns: 1fr; gap: var(--spacing-48); }
}

@media (max-width: 820px) {
  :root {
    --gutter: 20px;
    --spacing-152: 88px;
  }
  .nav-toggle:checked ~ .site-nav { background: var(--color-paper); color: var(--color-obsidian); }
  .nav-toggle:checked ~ .burger + .site-nav { border-bottom: 1px solid rgba(0, 0, 0, 0.14); }
  .burger { display: flex; }
  .header-inner { position: relative; }
  .site-nav {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    gap: var(--spacing-12);
    padding: 0 var(--gutter);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--dur-glide) var(--ease-glide);
  }
  .nav-toggle:checked ~ .site-nav {
    max-height: 320px;
    padding-top: var(--spacing-28);
    padding-bottom: var(--spacing-28);
  }
  .scroll-badge { display: none; }   /* no room beside the wrapped fact row */
  .hero-copy h1 { max-width: none; }
  .section-title { max-width: none; }
}

@media (max-width: 420px) {
  .compliance-strip { gap: var(--element-gap); }
  .hud-btn { width: 34px; height: 34px; }
  .hud-coins { padding: 4px 12px; }
  .hud-prizes { top: 42px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero::before { animation: none; }
  .scroll-badge { animation: none; }
  .btn, .faq-item summary, .faq-item summary::after, a { transition: none; }
}