/* =========================================================
   HOP — Production styles
   Mathematical construction × cute frog × Web3 minimal
   ========================================================= */

:root {
  --green: #7CFF4A;
  --green-deep: #4FD41E;
  --green-soft: #E9FFD9;
  --pink: #FF6BB5;
  --pink-soft: #FF9AD0;
  --ink: #0a0a0a;
  --ink-2: #1a1a1a;
  --muted: #5c5c5c;
  --line: rgba(10, 10, 10, 0.1);
  --line-strong: rgba(10, 10, 10, 0.18);
  --paper: #ffffff;
  --paper-2: #f7f7f5;
  --blue: #2d7ff9;
  --radius: 16px;
  --radius-sm: 10px;
  --font: "Inter", system-ui, -apple-system, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --shadow: 0 20px 60px rgba(10, 10, 10, 0.08);
  --nav-h: 64px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.is-loading {
  overflow: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  border: none;
  background: none;
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
}

.mono {
  font-family: var(--mono);
}

/* ---------- Shared ---------- */
.eyebrow {
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1rem;
}

.section {
  position: relative;
  padding: clamp(4rem, 10vw, 8rem) 1.25rem;
}

.section__inner {
  max-width: 1120px;
  margin: 0 auto;
}

.section__title {
  font-size: clamp(2.25rem, 6vw, 4.25rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin-bottom: 1.25rem;
}

.section__lead {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--muted);
  max-width: 36rem;
  margin-bottom: 3rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  border: 1.5px solid var(--ink);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  background: var(--paper);
}

.pill--green {
  background: var(--green);
}

.pill--mono {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 0.75rem;
}

.pill--copy {
  cursor: pointer;
  font: inherit;
  color: inherit;
  background: var(--paper);
  max-width: 100%;
  word-break: break-all;
  text-align: left;
  transition: background 0.2s, transform 0.15s;
}

.pill--copy:hover {
  background: var(--paper-2);
}

.pill--copy.is-copied {
  background: var(--green);
}

.meta-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 1.75rem 0 2rem;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 48px;
  padding: 0.75rem 1.5rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.2s, color 0.2s;
  border: 2px solid var(--ink);
}

.btn--sm {
  min-height: 36px;
  padding: 0.4rem 0.9rem;
  font-size: 0.8rem;
}

.btn--lg {
  min-height: 56px;
  padding: 0.95rem 2.25rem;
  font-size: 1rem;
}

.btn--primary {
  background: var(--green);
  color: var(--ink);
  box-shadow: 4px 4px 0 var(--ink);
}

.btn--primary:hover:not(:disabled) {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--ink);
}

.btn--primary:disabled {
  opacity: 0.85;
}

.btn--secondary {
  background: var(--paper);
  color: var(--ink);
}

.btn--secondary:hover {
  background: var(--ink);
  color: var(--paper);
}

.btn--ghost {
  background: transparent;
  border-color: var(--line-strong);
}

.btn--ghost:hover {
  border-color: var(--ink);
  background: var(--paper-2);
}

/* =========================================================
   MATH LOADER — Desmos-inspired construction
   ========================================================= */
.math-loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: #fafafa;
  display: flex;
  flex-direction: column;
  transition: opacity 0.6s var(--ease), visibility 0.6s;
}

.math-loader.is-done {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.math-loader__chrome {
  display: grid;
  grid-template-columns: minmax(240px, 320px) 1fr;
  height: 100%;
  min-height: 100dvh;
}

@media (max-width: 860px) {
  .math-loader__chrome {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(140px, 28vh) 1fr;
  }
}

/* Sidebar */
.math-sidebar {
  border-right: 1px solid var(--line-strong);
  background: #fff;
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}

@media (max-width: 860px) {
  .math-sidebar {
    border-right: none;
    border-bottom: 1px solid var(--line-strong);
  }
}

.math-sidebar__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  flex-shrink: 0;
}

.math-sidebar__badge {
  background: var(--green);
  border: 1px solid var(--ink);
  border-radius: 4px;
  padding: 0.15rem 0.45rem;
  font-weight: 600;
  font-size: 0.65rem;
}

.math-eq-list {
  flex: 1;
  overflow-x: hidden;
  overflow-y: auto;
  padding: 0.35rem 0;
  position: relative;
  scrollbar-width: thin;
}

.math-eq {
  display: grid;
  grid-template-columns: 36px 1fr 28px;
  align-items: center;
  gap: 0.25rem;
  padding: 0.35rem 0.65rem;
  font-family: var(--mono);
  font-size: clamp(0.62rem, 1.4vw, 0.78rem);
  color: var(--ink-2);
  border-left: 3px solid transparent;
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity 0.25s, transform 0.25s var(--ease), background 0.2s, border-color 0.2s;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.math-eq.is-visible {
  opacity: 1;
  transform: none;
}

.math-eq.is-active {
  background: rgba(45, 127, 249, 0.1);
  border-left-color: var(--blue);
}

.math-eq__idx {
  color: var(--muted);
  font-size: 0.65rem;
  text-align: right;
}

.math-eq__wave {
  color: var(--blue);
  font-weight: 600;
}

.math-eq__x {
  color: #bbb;
  text-align: center;
  font-size: 0.9rem;
}

.math-sidebar__foot {
  padding: 0.65rem 1rem;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--muted);
  flex-shrink: 0;
}

/* Canvas */
.math-canvas-wrap {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 45%, rgba(124, 255, 74, 0.06), transparent 70%),
    #fafafa;
}

.math-canvas {
  position: relative;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.math-grid-svg,
.math-curves,
.frog-construct {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: min(92vw, 560px);
  max-height: min(72vh, 560px);
  margin: auto;
}

.math-grid-svg {
  z-index: 1;
}

.math-curves {
  z-index: 2;
  pointer-events: none;
}

.frog-construct {
  z-index: 3;
  filter: drop-shadow(0 8px 24px rgba(0, 0, 0, 0.06));
  transform-origin: center 60%;
  transition: transform 0.5s var(--ease);
}

.frog-construct.is-alive {
  animation: hop-bounce 0.7s var(--ease);
}

@keyframes hop-bounce {
  0%   { transform: translateY(0) scale(1); }
  30%  { transform: translateY(-18px) scale(1.03, 0.97); }
  55%  { transform: translateY(0) scale(0.98, 1.02); }
  75%  { transform: translateY(-8px) scale(1.01, 0.99); }
  100% { transform: translateY(0) scale(1); }
}

/* Stroke draw setup — dash values set in JS from path length */
.frog-outlines path,
.frog-outlines circle {
  fill: none;
}

.guide-circle,
.guide-curve {
  stroke-dasharray: 6 4;
  transition: opacity 0.4s;
}

.float-formulas {
  position: absolute;
  inset: 0;
  z-index: 4;
  pointer-events: none;
}

.float-formula {
  position: absolute;
  font-family: var(--mono);
  font-size: clamp(0.55rem, 1.2vw, 0.72rem);
  color: rgba(45, 127, 249, 0.55);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.5s, transform 0.5s var(--ease);
  white-space: nowrap;
}

.float-formula.is-on {
  opacity: 1;
  transform: none;
}

.math-status {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.75rem 1.25rem;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
  background: #fff;
  flex-shrink: 0;
}

.math-status__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--blue);
  animation: pulse-dot 1s ease infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

/* Collapse wipe */
.math-collapse {
  position: absolute;
  inset: 0;
  background: var(--paper);
  transform: scaleY(0);
  transform-origin: bottom;
  z-index: 20;
  pointer-events: none;
}

.math-collapse.is-on {
  animation: collapse-wipe 0.85s var(--ease-out) forwards;
}

@keyframes collapse-wipe {
  0%   { transform: scaleY(0); opacity: 1; }
  55%  { transform: scaleY(1); opacity: 1; }
  100% { transform: scaleY(1); opacity: 0; }
}

/* =========================================================
   MAIN SITE
   ========================================================= */
.site {
  min-height: 100dvh;
}

.site[hidden] {
  display: none !important;
}

.site.is-enter .hero__copy,
.site.is-enter .hero__visual {
  animation: rise-in 0.9s var(--ease-out) both;
}

.site.is-enter .hero__visual {
  animation-delay: 0.08s;
}

.site.is-enter .hero__copy {
  animation-delay: 0.18s;
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.nav__inner {
  max-width: 1120px;
  margin: 0 auto;
  height: 100%;
  padding: 0 1.25rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav__logo {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  font-size: 1.1rem;
}

.nav__logo-mark {
  display: grid;
  place-items: center;
}

.nav__links {
  display: flex;
  gap: 1.25rem;
  margin-left: auto;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--muted);
}

.nav__links a:hover {
  color: var(--ink);
}

.nav__x {
  margin-left: 0.5rem;
}

@media (max-width: 640px) {
  .nav__links {
    display: none;
  }
  .nav__x {
    margin-left: auto;
  }
}

/* Hero */
.hero {
  position: relative;
  min-height: calc(100dvh - var(--nav-h));
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 3rem 1.25rem 5rem;
  overflow: hidden;
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 20%, transparent 75%);
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 1;
  max-width: 1120px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

@media (max-width: 900px) {
  .hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero__copy {
    order: 2;
  }
  .hero__visual {
    order: 1;
  }
  .meta-pills,
  .hero__actions {
    justify-content: center;
  }
  .hero__support {
    margin-left: auto;
    margin-right: auto;
  }
}

.hero__visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-frog {
  width: min(100%, 420px);
  aspect-ratio: 1;
  animation: float-soft 4.5s ease-in-out infinite;
  filter: drop-shadow(0 24px 40px rgba(124, 255, 74, 0.25));
  transition: transform 0.2s ease-out;
}

@keyframes float-soft {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.hero-frog__svg {
  width: 100%;
  height: 100%;
}

.hero-eq-orbit {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-eq-orbit span {
  position: absolute;
  font-family: var(--mono);
  font-size: 0.68rem;
  color: rgba(45, 127, 249, 0.5);
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(45, 127, 249, 0.2);
  border-radius: 6px;
  padding: 0.2rem 0.45rem;
  white-space: nowrap;
}

.hero-eq-orbit span:nth-child(1) { top: 8%; left: 0; }
.hero-eq-orbit span:nth-child(2) { top: 42%; right: -2%; }
.hero-eq-orbit span:nth-child(3) { bottom: 12%; left: 6%; }

.hero__title {
  font-size: clamp(4rem, 12vw, 7.5rem);
  font-weight: 900;
  letter-spacing: -0.06em;
  line-height: 0.9;
  margin-bottom: 0.75rem;
}

.hero__title .dot {
  color: var(--pink);
}

.hero__sub {
  font-size: clamp(1rem, 2.4vw, 1.35rem);
  font-weight: 700;
  letter-spacing: 0.06em;
  margin-bottom: 0.75rem;
}

.hero__support {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 28rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero__scroll {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.hero__scroll-line {
  width: 1px;
  height: 36px;
  background: linear-gradient(to bottom, var(--ink), transparent);
  animation: scroll-pulse 1.6s ease infinite;
}

@keyframes scroll-pulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.7); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* Calculated section */
.calculated {
  background: var(--paper-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.calc-stages {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 3rem;
}

@media (max-width: 960px) {
  .calc-stages {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 520px) {
  .calc-stages {
    grid-template-columns: 1fr;
  }
}

.calc-card {
  background: var(--paper);
  border: 1.5px solid var(--ink);
  border-radius: var(--radius);
  padding: 1.35rem 1.25rem;
  box-shadow: 4px 4px 0 transparent;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.calc-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: 6px 6px 0 var(--ink);
}

.calc-card__icon {
  font-size: 1.5rem;
  margin-bottom: 0.85rem;
  color: var(--blue);
  font-weight: 600;
}

.calc-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.45rem;
}

.calc-card p {
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 1rem;
  line-height: 1.55;
}

.calc-card__eq {
  display: block;
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--ink);
  background: var(--green-soft);
  border-radius: 6px;
  padding: 0.45rem 0.55rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.calc-diagram {
  border: 1.5px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--paper);
  padding: 1.5rem 1rem;
  overflow: hidden;
}

.calc-diagram__svg {
  width: 100%;
  height: auto;
}

.diagram-path {
  stroke-dashoffset: 0;
  animation: dash-move 18s linear infinite;
}

@keyframes dash-move {
  to { stroke-dashoffset: -200; }
}

.diagram-label {
  font-family: var(--mono);
  font-size: 11px;
  fill: var(--muted);
}

/* Mascot */
.mascot__inner {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

@media (max-width: 860px) {
  .mascot__inner {
    grid-template-columns: 1fr;
  }
}

.mascot__traits {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.mascot__traits li {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 600;
  font-size: 0.92rem;
}

.swatch {
  width: 16px;
  height: 16px;
  border-radius: 4px;
  border: 1.5px solid var(--ink);
  flex-shrink: 0;
}

.swatch--green { background: var(--green); }
.swatch--pink { background: var(--pink); }
.swatch--black { background: var(--ink); }
.swatch--white { background: #fff; }

.mascot__stage {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 380px;
  border-radius: 24px;
  border: 1.5px solid var(--ink);
  background:
    radial-gradient(circle at 50% 50%, rgba(124, 255, 74, 0.18), transparent 55%),
    var(--paper-2);
  overflow: hidden;
}

.mascot__halo {
  position: absolute;
  width: 70%;
  aspect-ratio: 1;
  border-radius: 50%;
  border: 1px dashed rgba(10, 10, 10, 0.12);
  pointer-events: none;
}

.mascot__frog {
  width: min(78%, 340px);
  aspect-ratio: 1;
  cursor: grab;
  transition: transform 0.15s ease-out;
  will-change: transform;
}

.interactive-frog__svg {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 16px 30px rgba(0, 0, 0, 0.1));
}

.mascot__hint {
  margin-top: 0.75rem;
  font-size: 0.7rem;
  color: var(--muted);
  letter-spacing: 0.06em;
}

/* Chain */
.chain {
  background: var(--ink);
  color: #fff;
}

.chain .eyebrow {
  color: rgba(255, 255, 255, 0.5);
}

.chain .section__title {
  color: #fff;
}

.chain-panel {
  position: relative;
  margin-top: 2.5rem;
  border: 1.5px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.03);
}

.chain-panel__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

.chain-panel__row {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.35rem 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.chain-panel__row:last-of-type {
  border-bottom: none;
}

.chain-panel__label {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.45);
}

.chain-panel__value {
  font-weight: 700;
  font-size: 1.05rem;
}

.chain-panel__value.pill--copy {
  border: none;
  padding: 0;
  background: transparent;
  font-size: 0.85rem;
  font-weight: 600;
  max-width: min(100%, 28rem);
}

.chain-panel__value.pill--copy:hover {
  background: transparent;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.chain-panel .pill--green {
  color: var(--ink);
}

.chain-panel .mono {
  font-weight: 500;
  letter-spacing: 0.04em;
}

/* CTA */
.cta {
  position: relative;
  min-height: 70dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  background: var(--green);
}

.cta__bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(10, 10, 10, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10, 10, 10, 0.06) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 60% 50% at 50% 50%, #000, transparent);
}

.cta__inner {
  position: relative;
  z-index: 1;
}

.cta__title {
  font-size: clamp(2.75rem, 9vw, 5.5rem);
  font-weight: 900;
  letter-spacing: -0.05em;
  margin-bottom: 1rem;
}

.cta__ticker {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.cta__meta {
  font-size: 0.95rem;
  margin-bottom: 0.35rem;
}

button.cta__meta.pill--copy {
  display: inline-block;
  border: none;
  padding: 0.35rem 0.6rem;
  border-radius: 8px;
  max-width: 100%;
  word-break: break-all;
}

.cta__chain {
  font-weight: 700;
  letter-spacing: 0.12em;
  font-size: 0.85rem;
  margin-bottom: 2rem;
  opacity: 0.8;
}

.cta .btn--primary {
  background: var(--ink);
  color: var(--green);
  border-color: var(--ink);
  box-shadow: 4px 4px 0 rgba(255, 255, 255, 0.35);
}

.cta .btn--primary:hover:not(:disabled) {
  background: #fff;
  color: var(--ink);
  box-shadow: 6px 6px 0 var(--ink);
}

/* Footer */
.footer {
  border-top: 1px solid var(--line);
  padding: 2rem 1.25rem;
  background: var(--paper);
}

.footer__inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.5rem;
}

.footer__brand {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.25rem;
  font-size: 0.9rem;
}

.footer__brand strong {
  font-weight: 800;
  letter-spacing: -0.03em;
}

.footer__brand span {
  color: var(--muted);
  font-size: 0.85rem;
}

.footer__x {
  margin-left: auto;
  font-weight: 700;
  border-bottom: 2px solid var(--ink);
  padding-bottom: 1px;
}

.footer__x:hover {
  color: var(--pink);
  border-color: var(--pink);
}

.footer__note {
  width: 100%;
  font-size: 0.7rem;
  color: var(--muted);
  letter-spacing: 0.12em;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .hero-frog {
    animation: none;
  }
  html {
    scroll-behavior: auto;
  }
}