@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700;800&family=Space+Mono:wght@400;700&display=swap');

/* ============================================================
   21st Century Twain
   Western simulation, game map, and playable philosophy styling
   ============================================================ */

body.twain {
  --twain-font-display: "Space Grotesk", var(--font-display), system-ui, sans-serif;
  --twain-font-body: "Google Sans Flex", var(--font-body), system-ui, sans-serif;
  --twain-font-code: "Space Mono", "DM Mono", ui-monospace, SFMono-Regular, Consolas, monospace;
  --twain-ink: #24170d;
  --twain-ash: #5b4633;
  --twain-parchment: #efe0bf;
  --twain-paper: #f7ebce;
  --twain-cream: #fff4d6;
  --twain-copper: #b95520;
  --twain-copper-bright: #dc7435;
  --twain-brass: #d5a24a;
  --twain-green: #23382e;
  --twain-green-soft: #355141;
  --twain-wood: #1d130c;
  --twain-line: rgba(96, 62, 31, 0.22);
  --twain-panel: rgba(249, 235, 204, 0.78);
  --twain-shadow: 0 22px 50px rgba(52, 31, 13, 0.18), inset 0 1px 0 rgba(255, 248, 226, 0.58);

  background: var(--twain-parchment);
  color: var(--twain-ink);
  font-family: var(--twain-font-body);
  font-variant-numeric: tabular-nums;
}

html[data-theme="dark"] body.twain {
  --twain-ink: #f6e6c6;
  --twain-ash: #d2b98e;
  --twain-parchment: #140e09;
  --twain-paper: #25180f;
  --twain-cream: #fff0c5;
  --twain-copper: #d66b2f;
  --twain-copper-bright: #f08a46;
  --twain-brass: #e2b45f;
  --twain-green: #111f19;
  --twain-green-soft: #263d32;
  --twain-wood: #090604;
  --twain-line: rgba(240, 201, 137, 0.18);
  --twain-panel: rgba(43, 28, 17, 0.84);
  --twain-shadow: 0 24px 54px rgba(0, 0, 0, 0.42), inset 0 1px 0 rgba(255, 230, 180, 0.08);
}

body.twain .nav {
  background:
    linear-gradient(180deg, rgba(29, 19, 12, 0.98), rgba(18, 11, 7, 0.96)),
    var(--twain-wood);
  border-bottom-color: rgba(213, 162, 74, 0.28);
}

body.twain .nav__links a,
body.twain .nav__wordmark {
  color: rgba(255, 244, 214, 0.84);
}

body.twain .nav__links a:hover,
body.twain .nav__links a.active,
body.twain .nav__dropdown:hover > a {
  color: var(--twain-brass);
}

.twain-page {
  background:
    radial-gradient(circle at 85% 8%, rgba(181, 85, 32, 0.16), transparent 26rem),
    radial-gradient(circle at 8% 22%, rgba(53, 81, 65, 0.18), transparent 22rem),
    repeating-linear-gradient(45deg, rgba(96, 62, 31, 0.055) 0 1px, transparent 1px 14px),
    var(--twain-parchment);
  overflow: hidden;
}

html[data-theme="dark"] body.twain .twain-page {
  background:
    radial-gradient(circle at 82% 8%, rgba(214, 107, 47, 0.14), transparent 25rem),
    radial-gradient(circle at 8% 22%, rgba(69, 110, 88, 0.16), transparent 22rem),
    repeating-linear-gradient(45deg, rgba(240, 201, 137, 0.045) 0 1px, transparent 1px 14px),
    var(--twain-parchment);
}

.twain-xp {
  align-items: center;
  bottom: 1rem;
  display: flex;
  gap: 0.55rem;
  left: 50%;
  pointer-events: none;
  position: fixed;
  transform: translateX(-50%);
  width: min(22rem, calc(100vw - 2rem));
  z-index: 70;
}

.twain-xp__label {
  color: var(--twain-brass);
  font-family: var(--twain-font-code);
  font-size: 0.72rem;
  font-weight: 700;
}

.twain-xp__track {
  background: rgba(29, 19, 12, 0.34);
  border: 1px solid rgba(213, 162, 74, 0.32);
  border-radius: 999px;
  box-shadow: inset 0 1px 5px rgba(0, 0, 0, 0.22);
  height: 0.48rem;
  overflow: hidden;
  width: 100%;
}

.twain-xp__fill {
  background: linear-gradient(90deg, var(--twain-copper), var(--twain-brass));
  display: block;
  height: 100%;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 160ms linear;
  width: 100%;
}

.twain-hero {
  min-height: calc(100svh - var(--nav-height));
  overflow: hidden;
  padding: clamp(4.5rem, 7vw, 6.5rem) 0 clamp(4rem, 7vw, 5.5rem);
  position: relative;
}

.twain-hero__map {
  inset: 0;
  opacity: 0.38;
  pointer-events: none;
  position: absolute;
}

.twain-hero__map::before {
  background-image:
    linear-gradient(rgba(96, 62, 31, 0.18) 1px, transparent 1px),
    linear-gradient(90deg, rgba(96, 62, 31, 0.14) 1px, transparent 1px);
  background-size: 52px 52px;
  content: "";
  inset: -4rem;
  position: absolute;
  transform: rotate(-8deg);
}

.twain-hero__map span {
  border: 1px solid rgba(96, 62, 31, 0.22);
  border-radius: 50%;
  position: absolute;
}

.twain-hero__map span:nth-child(1) { height: 18rem; right: 5%; top: 7%; width: 18rem; }
.twain-hero__map span:nth-child(2) { bottom: 10%; height: 9rem; left: 8%; width: 9rem; }
.twain-hero__map span:nth-child(3) { height: 12rem; left: 42%; top: 12%; width: 12rem; }
.twain-hero__map span:nth-child(4) { bottom: 4%; height: 20rem; right: 20%; width: 20rem; }

.twain-hero__inner {
  align-items: center;
  display: grid;
  gap: clamp(2.5rem, 5vw, 5rem);
  grid-template-columns: minmax(0, 0.82fr) minmax(360px, 1fr);
  position: relative;
  z-index: 1;
}

.twain-hero__copy {
  position: relative;
  z-index: 2;
}

.twain-kicker {
  color: var(--twain-copper);
  font-family: var(--twain-font-code);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  margin-bottom: 0.9rem;
  text-transform: uppercase;
}

.twain h1,
.twain h2,
.twain h3 {
  color: var(--twain-ink);
  font-family: var(--twain-font-display);
  font-weight: 800;
  letter-spacing: 0;
}

.twain h1 {
  font-size: clamp(3.15rem, 5.1vw, 5.45rem);
  line-height: 0.94;
  margin: 0 0 1.2rem;
  max-width: 10.5ch;
  text-wrap: balance;
}

.twain-hero__copy > p {
  color: var(--twain-ash);
  font-size: clamp(1rem, 1.35vw, 1.18rem);
  line-height: 1.72;
  max-width: 35rem;
}

.twain blockquote {
  background:
    linear-gradient(135deg, rgba(35, 56, 46, 0.95), rgba(25, 37, 31, 0.9));
  border: 1px solid rgba(213, 162, 74, 0.42);
  border-radius: 8px;
  box-shadow: var(--twain-shadow);
  color: rgba(255, 244, 214, 0.92);
  font-family: var(--twain-font-code);
  font-size: clamp(0.92rem, 1.15vw, 1rem);
  line-height: 1.55;
  margin: 1.6rem 0 0;
  max-width: 35rem;
  padding: 1.1rem 1.25rem;
}

.twain blockquote cite {
  color: rgba(213, 162, 74, 0.78);
  display: block;
  font-family: var(--twain-font-display);
  font-size: clamp(0.78rem, 1vw, 0.88rem);
  font-style: normal;
  line-height: 1.45;
  margin-left: auto;
  margin-top: 1rem;
  max-width: 28rem;
  text-align: right;
}

.twain-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.7rem;
}

.twain-btn {
  align-items: center;
  border-radius: 8px;
  display: inline-flex;
  font-family: var(--twain-font-display);
  font-weight: 800;
  justify-content: center;
  min-height: 3.25rem;
  padding: 0.9rem 1.25rem;
  text-decoration: none;
  transition: transform 220ms var(--ease), box-shadow 220ms var(--ease), background-color 220ms var(--ease);
}

.twain-btn--primary {
  background: linear-gradient(180deg, var(--twain-copper-bright), var(--twain-copper));
  border: 1px solid rgba(255, 231, 180, 0.44);
  box-shadow: 0 12px 24px rgba(112, 52, 18, 0.24), inset 0 1px 0 rgba(255, 238, 196, 0.3);
  color: #fff2d0;
}

.twain-btn--secondary {
  background: rgba(255, 244, 214, 0.54);
  border: 1px solid var(--twain-line);
  color: var(--twain-ink);
}

.twain-btn:hover,
.twain-btn:focus-visible {
  transform: translateY(-2px);
}

.twain-sim {
  cursor: crosshair;
  min-height: clamp(26rem, 43vw, 38rem);
  perspective: 1200px;
  position: relative;
  --twain-map-x: 0px;
  --twain-map-y: 0px;
  z-index: 1;
}

.twain-sim::before {
  background:
    radial-gradient(circle, rgba(213, 162, 74, 0.35) 0 1px, transparent 2px),
    radial-gradient(circle, transparent 0 42%, rgba(213, 162, 74, 0.18) 43% 44%, transparent 45%);
  background-size: 28px 28px, 100% 100%;
  border-radius: 50%;
  content: "";
  height: min(58vw, 28rem);
  opacity: 0.38;
  position: absolute;
  right: 5%;
  top: 6%;
  transform: translate3d(var(--twain-map-x), var(--twain-map-y), 0);
  transition: transform 520ms var(--ease);
  width: min(58vw, 28rem);
}

.twain-sim__board {
  aspect-ratio: 1.25 / 1;
  background:
    linear-gradient(135deg, rgba(35, 56, 46, 0.92), rgba(18, 30, 25, 0.96));
  border: 1px solid rgba(213, 162, 74, 0.32);
  box-shadow: 0 44px 80px rgba(52, 31, 13, 0.34);
  left: 50%;
  max-width: 41rem;
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%) rotateX(58deg) rotateZ(-35deg);
  transform-style: preserve-3d;
  transition: transform 420ms var(--ease);
  width: min(100%, 41rem);
}

.twain-sim__board::before {
  background-image:
    linear-gradient(rgba(213, 162, 74, 0.18) 1px, transparent 1px),
    linear-gradient(90deg, rgba(213, 162, 74, 0.18) 1px, transparent 1px);
  background-size: 56px 56px;
  content: "";
  inset: 0;
  position: absolute;
}

.twain-sim__board::after {
  background: linear-gradient(90deg, transparent, rgba(255, 244, 214, 0.16), transparent);
  content: "";
  inset: 0;
  opacity: 0.6;
  position: absolute;
  transform: translateX(-100%);
  animation: twainScan 5.8s ease-in-out infinite;
}

.twain-tile,
.twain-block,
.twain-avatar {
  position: absolute;
  transform-style: preserve-3d;
}

.twain-tile {
  background: rgba(239, 224, 191, 0.1);
  border: 1px solid rgba(213, 162, 74, 0.18);
  box-shadow: inset 0 0 18px rgba(213, 162, 74, 0.06);
}

.twain-tile--a { height: 22%; left: 8%; top: 12%; width: 24%; }
.twain-tile--b { height: 18%; right: 10%; top: 14%; width: 28%; }
.twain-tile--c { bottom: 16%; height: 22%; left: 15%; width: 30%; }
.twain-tile--d { bottom: 12%; height: 20%; right: 16%; width: 25%; }
.twain-tile--e { height: 16%; left: 39%; top: 42%; width: 22%; }

.twain-block {
  align-items: center;
  background: linear-gradient(180deg, #d7c39a, #8a6b3d);
  border: 1px solid rgba(255, 244, 214, 0.45);
  box-shadow: 10px 14px 0 rgba(52, 31, 13, 0.28);
  color: rgba(36, 23, 13, 0.78);
  display: flex;
  font-family: var(--twain-font-code);
  font-size: clamp(3.5rem, 7vw, 6rem);
  font-weight: 800;
  height: 24%;
  justify-content: center;
  text-shadow: 0 2px 0 rgba(255, 244, 214, 0.28);
  transform: translateZ(46px);
  width: 16%;
}

.twain-block--one { left: 23%; top: 30%; }
.twain-block--two { left: 39%; top: 24%; }
.twain-block--three { left: 55%; top: 30%; }
.twain-block--four { left: 70%; top: 36%; }

.twain-avatar {
  background: #2a1a0f;
  border-radius: 45% 45% 28% 28%;
  bottom: 18%;
  height: 20%;
  right: 22%;
  --twain-avatar-x: 0px;
  --twain-avatar-y: 0px;
  transform: translateZ(72px) rotateZ(35deg) translate3d(var(--twain-avatar-x), var(--twain-avatar-y), 0);
  width: 5%;
  animation: twainAvatar 2.8s ease-in-out infinite;
  will-change: transform;
}

.twain-avatar::before {
  background: #16100c;
  border-radius: 50%;
  content: "";
  height: 38%;
  left: -58%;
  position: absolute;
  top: -24%;
  width: 210%;
}

.twain-avatar span {
  background: var(--twain-copper);
  border-radius: 999px;
  display: block;
  height: 45%;
  left: 42%;
  position: absolute;
  top: 45%;
  width: 18%;
}

.twain-sim__hud {
  backdrop-filter: blur(10px);
  background: rgba(247, 235, 206, 0.78);
  border: 1px solid var(--twain-line);
  border-radius: 8px;
  box-shadow: var(--twain-shadow);
  color: var(--twain-ink);
  font-family: var(--twain-font-code);
  font-weight: 700;
  line-height: 1.2;
  padding: 0.75rem 0.9rem;
  position: absolute;
  transition: transform 420ms var(--ease), box-shadow 220ms var(--ease);
  will-change: transform;
  z-index: 2;
}

html[data-theme="dark"] body.twain .twain-sim__hud {
  background: rgba(25, 17, 10, 0.82);
  border-color: rgba(226, 180, 95, 0.28);
}

.twain-sim__hud span {
  color: var(--twain-ash);
  display: block;
  font-family: var(--twain-font-display);
  font-size: 0.72rem;
  font-weight: 700;
  margin-top: 0.15rem;
}

.twain-sim__hud--environment { left: 8%; top: 6%; }
.twain-sim__hud--rules { right: 8%; top: 8%; }
.twain-sim__hud--avatar { bottom: 13%; left: 43%; }

.twain-quest,
.twain-philosophy,
.twain-trail,
.twain-disclaimer,
.twain-subscribe {
  padding: clamp(4.6rem, 7vw, 7rem) 0;
  position: relative;
}

.twain-philosophy {
  padding: clamp(3.8rem, 6vw, 5.8rem) 0;
}

.twain-quest {
  background:
    linear-gradient(180deg, rgba(255, 244, 214, 0.42), rgba(239, 224, 191, 0.88)),
    var(--twain-paper);
  border-block: 1px solid var(--twain-line);
}

html[data-theme="dark"] body.twain .twain-quest {
  background:
    linear-gradient(180deg, rgba(37, 24, 15, 0.55), rgba(20, 14, 9, 0.92)),
    var(--twain-paper);
}

.twain-section-head {
  margin-bottom: clamp(2rem, 4vw, 3.2rem);
  max-width: 820px;
}

.twain-section-head h2,
.twain-philosophy h2,
.twain-disclaimer h2,
.twain-subscribe h2 {
  font-size: clamp(2.35rem, 4.4vw, 4.35rem);
  line-height: 1;
  margin: 0 0 1rem;
  text-wrap: balance;
}

.twain-philosophy h2 {
  font-size: clamp(2.1rem, 3.2vw, 3.35rem);
  line-height: 1.04;
  max-width: 13ch;
}

.twain-section-head p,
.twain-philosophy p,
.twain-disclaimer p,
.twain-subscribe p {
  color: var(--twain-ash);
  font-size: clamp(1rem, 1.45vw, 1.18rem);
  line-height: 1.75;
}

.twain-lesson-grid {
  display: grid;
  gap: clamp(0.9rem, 1.5vw, 1.2rem);
  grid-template-columns: repeat(4, minmax(0, 1fr));
  position: relative;
}

.twain-lesson-grid a {
  align-items: center;
  background: rgba(255, 244, 214, 0.48);
  border: 1px solid var(--twain-line);
  border-radius: 8px;
  box-shadow: var(--twain-shadow);
  color: var(--twain-ink);
  display: flex;
  flex-direction: column;
  font-family: var(--twain-font-display);
  font-size: clamp(0.96rem, 1.05vw, 1.08rem);
  gap: 0.75rem;
  justify-content: flex-start;
  line-height: 1.28;
  min-height: 8.2rem;
  overflow: hidden;
  padding: 1.2rem 1rem 1.1rem;
  position: relative;
  text-align: center;
  text-decoration: none;
  text-wrap: balance;
  transform-style: preserve-3d;
  transition: transform 220ms var(--ease), border-color 220ms var(--ease), background-color 220ms var(--ease);
}

.twain-lesson-grid a::after {
  background: linear-gradient(180deg, var(--twain-copper-bright), var(--twain-copper));
  border: 1px solid rgba(255, 231, 180, 0.34);
  border-radius: 999px;
  bottom: 0.65rem;
  color: #fff2d0;
  content: "checkpoint";
  font-family: var(--twain-font-code);
  font-size: 0.62rem;
  font-weight: 800;
  left: 50%;
  opacity: 0;
  padding: 0.2rem 0.45rem;
  pointer-events: none;
  position: absolute;
  text-shadow: 0 1px 0 rgba(55, 28, 12, 0.24);
  transform: translate(-50%, 0.35rem);
  transition: opacity 220ms var(--ease), transform 220ms var(--ease);
}

.twain-lesson-grid a span {
  background: var(--twain-green);
  border: 1px solid rgba(213, 162, 74, 0.42);
  border-radius: 6px;
  color: var(--twain-brass);
  display: inline-flex;
  font-family: var(--twain-font-code);
  font-size: 0.76rem;
  font-weight: 800;
  justify-content: center;
  margin: 0;
  min-width: 2.2rem;
  padding: 0.25rem 0.35rem;
}

.twain-lesson-grid a:hover,
.twain-lesson-grid a:focus-visible {
  background: rgba(255, 244, 214, 0.74);
  border-color: rgba(181, 85, 32, 0.42);
  transform: translateY(-4px) rotate(-0.5deg);
}

.twain-lesson-grid a:hover::after,
.twain-lesson-grid a:focus-visible::after {
  opacity: 1;
  transform: translate(-50%, 0);
}

html[data-theme="dark"] body.twain .twain-lesson-grid a {
  background: rgba(43, 28, 17, 0.72);
  border-color: rgba(226, 180, 95, 0.18);
}

html[data-theme="dark"] body.twain .twain-lesson-grid a:hover,
html[data-theme="dark"] body.twain .twain-lesson-grid a:focus-visible {
  background: rgba(59, 38, 23, 0.92);
  border-color: rgba(226, 180, 95, 0.36);
}

.twain-quest__cta {
  align-items: center;
  background: rgba(35, 56, 46, 0.94);
  border: 1px solid rgba(213, 162, 74, 0.3);
  border-radius: 8px;
  color: rgba(255, 244, 214, 0.9);
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  margin-top: clamp(2rem, 4vw, 3rem);
  padding: 1rem;
}

html[data-theme="dark"] body.twain .twain-quest__cta {
  background: rgba(17, 31, 25, 0.94);
}

.twain-quest__cta span {
  font-family: var(--twain-font-display);
  font-size: clamp(1.25rem, 2vw, 1.7rem);
}

.twain-philosophy {
  background: var(--twain-parchment);
}

.twain-philosophy__grid {
  align-items: center;
  display: grid;
  gap: clamp(1.7rem, 4vw, 3.2rem);
  grid-template-columns: minmax(170px, 0.36fr) minmax(0, 1fr) minmax(260px, 0.58fr);
}

.twain-still-life {
  aspect-ratio: 0.9 / 1;
  justify-self: center;
  max-width: 15rem;
  position: relative;
  width: 100%;
}

.twain-feather,
.twain-compass,
.twain-book {
  position: absolute;
}

.twain-feather {
  background: linear-gradient(90deg, transparent 0 48%, var(--twain-ash) 49% 51%, transparent 52% 100%);
  border-radius: 80% 0 80% 0;
  height: 75%;
  left: 26%;
  top: 3%;
  transform: rotate(25deg);
  width: 24%;
}

.twain-feather::before {
  background: repeating-linear-gradient(135deg, rgba(91, 70, 51, 0.72) 0 2px, transparent 2px 9px);
  border-radius: inherit;
  content: "";
  inset: 0;
  position: absolute;
}

.twain-compass {
  border: 5px solid var(--twain-brass);
  border-radius: 50%;
  bottom: 20%;
  height: 34%;
  right: 16%;
  width: 34%;
}

.twain-compass::before,
.twain-compass::after {
  background: var(--twain-brass);
  content: "";
  left: 50%;
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
}

.twain-compass::before { height: 82%; width: 2px; }
.twain-compass::after { height: 2px; width: 82%; }

.twain-book {
  background: linear-gradient(135deg, #7c5630, #2a1a0f);
  border-radius: 6px;
  bottom: 5%;
  height: 18%;
  left: 18%;
  transform: rotate(-5deg);
  width: 54%;
}

.twain-principles {
  background: var(--twain-panel);
  border: 1px solid var(--twain-line);
  border-radius: 8px;
  box-shadow: var(--twain-shadow);
  display: grid;
  gap: 0.85rem;
  list-style: none;
  margin: 0;
  padding: clamp(1rem, 2.4vw, 1.55rem);
}

html[data-theme="dark"] body.twain .twain-principles {
  background: rgba(43, 28, 17, 0.82);
  border-color: rgba(226, 180, 95, 0.18);
}

.twain-principles li {
  color: var(--twain-ash);
  line-height: 1.55;
  padding-left: 1.8rem;
  position: relative;
}

.twain-principles li::before {
  color: var(--twain-copper);
  content: ">";
  font-family: var(--twain-font-code);
  font-weight: 800;
  left: 0;
  position: absolute;
}

.twain-trail {
  background:
    radial-gradient(circle at 15% 20%, rgba(213, 162, 74, 0.16), transparent 18rem),
    linear-gradient(180deg, #18261f, #0e1713);
  color: rgba(255, 244, 214, 0.92);
}

.twain-section-head--dark h2,
.twain-section-head--dark p {
  color: rgba(255, 244, 214, 0.92);
}

.twain-log-row {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.twain-log-row article {
  background:
    linear-gradient(180deg, rgba(247, 235, 206, 0.96), rgba(232, 210, 170, 0.92));
  border: 1px solid rgba(213, 162, 74, 0.42);
  border-radius: 8px;
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.24);
  color: #24170d;
  min-height: 15rem;
  padding: 1.1rem;
  position: relative;
  transform: rotate(var(--tilt, -1deg));
  transition: transform 220ms var(--ease);
}

html[data-theme="dark"] body.twain .twain-log-row article {
  background:
    linear-gradient(180deg, rgba(43, 28, 17, 0.96), rgba(25, 17, 10, 0.94));
  border-color: rgba(226, 180, 95, 0.28);
  color: var(--twain-ink);
}

.twain-log-row article:nth-child(even) { --tilt: 1deg; }

.twain-log-row article:hover {
  transform: translateY(-5px) rotate(0deg);
}

.twain-log-row span {
  align-items: center;
  background:
    linear-gradient(180deg, rgba(255, 244, 214, 0.9), rgba(213, 162, 74, 0.24)),
    var(--twain-paper);
  border: 1px solid rgba(91, 70, 51, 0.28);
  border-radius: 5px;
  box-shadow: inset 0 1px 0 rgba(255, 244, 214, 0.7), 0 7px 14px rgba(52, 31, 13, 0.1);
  color: var(--twain-green);
  display: inline-flex;
  font-family: var(--twain-font-code);
  font-size: 0.68rem;
  font-weight: 800;
  justify-content: center;
  letter-spacing: 0.08em;
  min-height: 1.8rem;
  padding: 0.32rem 0.5rem;
  text-transform: uppercase;
}

.twain-log-row span::before,
.twain-log-row span::after {
  color: rgba(91, 70, 51, 0.44);
  content: "*";
  font-size: 0.58rem;
  margin: 0 0.38rem;
}

.twain-log-row h3 {
  font-size: 1.45rem;
  line-height: 1.08;
  margin: 0.8rem 0;
}

.twain-log-row p {
  color: #5b4633;
  line-height: 1.55;
}

html[data-theme="dark"] body.twain .twain-log-row p {
  color: var(--twain-ash);
}

html[data-theme="dark"] body.twain .twain-log-row span {
  background:
    linear-gradient(180deg, rgba(35, 56, 46, 0.96), rgba(17, 31, 25, 0.96));
  border-color: rgba(226, 180, 95, 0.28);
  color: var(--twain-brass);
  box-shadow: inset 0 1px 0 rgba(255, 244, 214, 0.08), 0 8px 18px rgba(0, 0, 0, 0.22);
}

.twain-disclaimer {
  background: #090604;
  color: rgba(255, 244, 214, 0.92);
}

.twain-disclaimer h2,
.twain-disclaimer p {
  color: rgba(255, 244, 214, 0.92);
}

.twain-disclaimer__grid {
  display: grid;
  gap: clamp(2rem, 5vw, 4rem);
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.9fr);
}

.twain-disclaimer__cards {
  display: grid;
  gap: 1rem;
}

.twain-disclaimer__cards article {
  align-items: center;
  border: 1px solid rgba(213, 162, 74, 0.24);
  border-radius: 8px;
  display: grid;
  gap: 1rem;
  grid-template-columns: auto 1fr;
  padding: 1rem;
}

.twain-disclaimer__cards span {
  align-items: center;
  border: 1px solid rgba(213, 162, 74, 0.4);
  border-radius: 50%;
  color: var(--twain-brass);
  display: inline-flex;
  font-family: var(--twain-font-code);
  height: 3rem;
  justify-content: center;
  width: 3rem;
}

.twain-subscribe {
  background:
    linear-gradient(180deg, rgba(247, 235, 206, 0.96), rgba(239, 224, 191, 0.96)),
    var(--twain-paper);
}

html[data-theme="dark"] body.twain .twain-subscribe {
  background:
    linear-gradient(180deg, rgba(37, 24, 15, 0.94), rgba(20, 14, 9, 0.98)),
    var(--twain-paper);
}

.twain-subscribe__inner {
  align-items: center;
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
  grid-template-columns: auto 1fr auto;
}

.twain-seal {
  align-items: center;
  aspect-ratio: 1;
  background:
    radial-gradient(circle, #8a4a20 0 48%, #5a2b13 49% 100%);
  border: 6px double rgba(255, 220, 150, 0.74);
  border-radius: 50%;
  box-shadow: 0 16px 32px rgba(52, 31, 13, 0.24);
  color: #f7ebce;
  display: inline-flex;
  font-family: var(--twain-font-code);
  font-size: clamp(2.3rem, 5vw, 4rem);
  font-weight: 800;
  justify-content: center;
  width: clamp(5.5rem, 10vw, 8rem);
}

@media (max-width: 1080px) {
  .twain-hero__inner,
  .twain-philosophy__grid,
  .twain-disclaimer__grid,
  .twain-subscribe__inner {
    grid-template-columns: 1fr;
  }

  .twain h1 {
    font-size: clamp(3rem, 9vw, 5rem);
    max-width: 10ch;
  }

  .twain-sim {
    min-height: 25rem;
  }

  .twain-sim__board {
    width: min(92vw, 38rem);
  }

  .twain-lesson-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .twain-lesson-grid a {
    min-height: 7.4rem;
  }

  .twain-philosophy__grid {
    align-items: start;
  }

  .twain-still-life {
    justify-self: start;
    max-width: 11rem;
  }

  .twain-log-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 700px) {
  .twain-hero {
    padding-top: 3.25rem;
  }

  .twain h1 {
    font-size: clamp(2.65rem, 13vw, 4.05rem);
    line-height: 0.98;
    max-width: 9.5ch;
  }

  .twain-hero__copy > p {
    font-size: 1rem;
    line-height: 1.65;
  }

  .twain blockquote {
    font-size: 0.86rem;
    line-height: 1.5;
  }

  .twain-actions,
  .twain-quest__cta {
    align-items: stretch;
    flex-direction: column;
  }

  .twain-btn {
    width: 100%;
  }

  .twain-sim {
    min-height: 19rem;
  }

  .twain-sim__board {
    width: min(105vw, 30rem);
  }

  .twain-sim__hud {
    font-size: 0.78rem;
    padding: 0.55rem 0.65rem;
  }

  .twain-lesson-grid,
  .twain-log-row {
    grid-template-columns: 1fr;
  }

  .twain-lesson-grid a {
    align-items: flex-start;
    flex-direction: row;
    gap: 0.85rem;
    justify-content: flex-start;
    min-height: 5.5rem;
    padding: 1rem;
    text-align: left;
  }

  .twain-lesson-grid a::after {
    bottom: 0.75rem;
    left: auto;
    right: 1rem;
    transform: translateY(0.35rem);
  }

  .twain-lesson-grid a:hover::after,
  .twain-lesson-grid a:focus-visible::after {
    transform: translateY(0);
  }

  .twain-philosophy {
    padding: clamp(3rem, 10vw, 4.2rem) 0;
  }

  .twain-philosophy h2 {
    font-size: clamp(2rem, 9.5vw, 3rem);
    max-width: 13ch;
  }

  .twain-still-life {
    aspect-ratio: 1.45 / 1;
    max-width: 9rem;
    opacity: 0.82;
  }

  .twain-xp {
    bottom: 0.7rem;
    opacity: 0.86;
    width: min(18rem, calc(100vw - 2rem));
  }
}

@media (prefers-reduced-motion: reduce) {
  .twain-sim__board,
  .twain-sim__board::after,
  .twain-sim::before,
  .twain-sim__hud,
  .twain-avatar,
  .twain-btn,
  .twain-lesson-grid a,
  .twain-log-row article {
    animation: none;
    transition: none;
  }
}

@keyframes twainScan {
  0%, 45% { transform: translateX(-100%); }
  70%, 100% { transform: translateX(100%); }
}

@keyframes twainAvatar {
  0%, 100% {
    transform: translateZ(72px) rotateZ(35deg) translate3d(var(--twain-avatar-x), var(--twain-avatar-y), 0);
  }
  50% {
    transform: translateZ(78px) rotateZ(35deg) translate3d(var(--twain-avatar-x), calc(var(--twain-avatar-y) - 4px), 0);
  }
}