/* ============================================
   ROBIN TAX / $HOODTAX — acid minimalism
   ============================================ */

:root {
  --green: #CCFF00;
  --black: #050505;
  --muted: #4A5A08;   /* single muted dark-green for secondary text */
  --rule: rgba(5, 5, 5, 0.9);
  --font: "Helvetica Neue", Helvetica, Arial, "Segoe UI", sans-serif;
}

/* night mode: the forest after dark */
body.night {
  --green: #050505;
  --black: #CCFF00;
  --muted: #7E8F1E;
  --rule: rgba(204, 255, 0, 0.85);
}

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

html {
  scroll-behavior: smooth;
  scroll-snap-type: y proximity;
}

body {
  background: var(--green);
  color: var(--black);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background 0.5s ease, color 0.5s ease;
}

::selection {
  background: var(--black);
  color: var(--green);
}

a {
  color: var(--black);
  text-decoration: none;
}

/* ---------- custom cursor ring ---------- */

.cursor {
  position: fixed;
  top: 0;
  left: 0;
  width: 26px;
  height: 26px;
  margin: -13px 0 0 -13px;
  border: 1px solid var(--black);
  border-radius: 50%;
  pointer-events: none;
  z-index: 999;
  opacity: 0;
  transition: width 0.25s ease, height 0.25s ease, margin 0.25s ease,
              opacity 0.3s ease, border-color 0.5s ease;
  will-change: transform;
}

.cursor.is-active {
  opacity: 1;
}

.cursor.is-hover {
  width: 48px;
  height: 48px;
  margin: -24px 0 0 -24px;
}

@media (pointer: coarse) {
  .cursor { display: none; }
}

/* ---------- panels: each section is a "page" ---------- */

.panel {
  min-height: 100vh;
  min-height: 100svh;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-bottom: 1px solid var(--rule);
}

/* ---------- reveal on scroll ---------- */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.9s ease, transform 0.9s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* letter-by-letter split titles */

.split .char {
  display: inline-block;
  opacity: 0;
  transform: translateY(0.6em) rotate(4deg);
  transition: opacity 0.5s ease, transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
  transition-delay: calc(var(--i) * 28ms);
}

.split.is-visible .char {
  opacity: 1;
  transform: translateY(0) rotate(0deg);
}

/* split titles handle their own animation — cancel block-level reveal */
.split.reveal {
  opacity: 1;
  transform: none;
}

/* ---------- nav ---------- */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 4vw;
  background: transparent;
}

.nav__brand {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav__link,
.nav__night {
  font-family: var(--font);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  position: relative;
  background: none;
  border: none;
  color: var(--black);
  cursor: pointer;
  padding: 0;
}

.nav__link::after,
.nav__night::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 1px;
  background: var(--black);
  transition: width 0.3s ease;
}

.nav__link:hover::after,
.nav__night:hover::after {
  width: 100%;
}

.nav__connect {
  font-family: var(--font);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  background: transparent;
  color: var(--black);
  border: 1px solid var(--black);
  padding: 0.55rem 1.3rem;
  cursor: pointer;
  transition: background 0.25s ease, color 0.25s ease;
}

.nav__connect:hover,
.nav__connect.is-connected {
  background: var(--black);
  color: var(--green);
}

/* ---------- page counter ---------- */

.pager {
  position: fixed;
  left: 4vw;
  bottom: 2rem;
  z-index: 90;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  pointer-events: none;
}

.pager__current {
  font-weight: 700;
}

.pager__line {
  display: block;
  width: 42px;
  height: 1px;
  background: var(--black);
}

.pager__total {
  color: var(--muted);
}

.pager__label {
  margin-left: 0.8rem;
  color: var(--muted);
}

/* ---------- hero ---------- */

.hero {
  position: relative;
  align-items: center;
  padding: 0 4vw;
  overflow: hidden;
}

.hero__inner {
  text-align: center;
  max-width: 1100px;
}

.hero__title {
  font-size: clamp(2.6rem, 8.5vw, 7.5rem);
  font-weight: 700;
  line-height: 0.98;
  letter-spacing: -0.03em;
}

.hero__sub {
  margin-top: 2.2rem;
  font-size: clamp(0.85rem, 1.4vw, 1.05rem);
  letter-spacing: 0.08em;
  color: var(--muted);
  transition-delay: 0.6s;
}

.hero__actions {
  margin-top: 3rem;
  display: flex;
  justify-content: center;
  gap: 1.2rem;
  flex-wrap: wrap;
  transition-delay: 0.8s;
}

/* the single animated arrow */
.hero__arrow {
  position: absolute;
  top: 38%;
  left: -140px;
  width: 120px;
  height: 40px;
  color: var(--black);
  animation: drift 26s linear infinite;
  pointer-events: none;
  will-change: transform;
}

@keyframes drift {
  from { transform: translateX(0); }
  to   { transform: translateX(calc(100vw + 280px)); }
}

.hero__scrollhint {
  position: absolute;
  bottom: 2rem;
  right: 4vw;
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  color: var(--muted);
  animation: bob 2.4s ease-in-out infinite;
}

@keyframes bob {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(6px); }
}

/* ---------- buttons ---------- */

.btn {
  display: inline-block;
  font-family: var(--font);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  padding: 0.9rem 2.4rem;
  border: 1px solid var(--black);
  cursor: pointer;
  transition: background 0.25s ease, color 0.25s ease, transform 0.25s ease;
}

.btn.is-disabled {
  opacity: 0.42;
  pointer-events: none;
  cursor: not-allowed;
}

.btn--outline {
  background: transparent;
  color: var(--black);
}

.btn--outline:hover {
  background: var(--black);
  color: var(--green);
}

.btn--solid {
  background: var(--black);
  color: var(--green);
}

.btn--solid:hover {
  background: transparent;
  color: var(--black);
}

.hero__live {
  margin-top: 1.2rem;
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  color: var(--muted);
  transition-delay: 0.95s;
}

/* ---------- sections ---------- */

.section {
  padding: 8rem 4vw;
}

.section__title {
  font-size: clamp(2.2rem, 5.5vw, 5rem);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.02em;
}

/* ---------- mechanic ---------- */

.mechanic__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}

.mechanic__text {
  font-size: clamp(1rem, 1.6vw, 1.25rem);
  line-height: 1.65;
  color: var(--muted);
  max-width: 34em;
}

.tiers {
  margin-top: 4rem;
  border-top: 1px solid var(--rule);
  transition-delay: 0.15s;
}

.tier {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 1.4rem 0;
  border-bottom: 1px solid var(--rule);
  transition: transform 0.35s ease;
  cursor: default;
}

.tier:hover {
  transform: translateX(14px);
}

.tier__range {
  font-size: clamp(0.9rem, 1.4vw, 1.1rem);
  letter-spacing: 0.1em;
}

.tier__fee {
  font-size: clamp(1.4rem, 2.6vw, 2.2rem);
  font-weight: 700;
}

/* ---------- rewards ---------- */

.rewards__text {
  margin-top: 2.5rem;
  font-size: clamp(1rem, 1.6vw, 1.25rem);
  line-height: 1.7;
  color: var(--muted);
  max-width: 42em;
  transition-delay: 0.1s;
}

.rewards__stats {
  margin-top: 5rem;
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
  transition-delay: 0.2s;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.stat__value {
  font-size: clamp(2.1rem, 5.8vw, 5.4rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
}

.stat__label {
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  color: var(--muted);
}

.wallet {
  margin-top: 3rem;
  max-width: 640px;
  border-top: 1px solid var(--rule);
  transition-delay: 0.3s;
}

.wallet__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1.5rem;
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--rule);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
}

.wallet__row strong {
  font-size: clamp(1.1rem, 2vw, 1.6rem);
  letter-spacing: 0;
  text-align: right;
}

.wallet__claim {
  margin-top: 1.4rem;
  font-family: var(--font);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  background: var(--black);
  border: 1px solid var(--black);
  color: var(--green);
  padding: 0.75rem 1.5rem;
  cursor: pointer;
  transition: background 0.25s ease, color 0.25s ease, opacity 0.25s ease;
}

.wallet__claim:hover:not(:disabled) {
  background: transparent;
  color: var(--black);
}

.wallet__claim:disabled {
  opacity: 0.42;
  cursor: not-allowed;
}

/* ---------- calculator ---------- */

.calc {
  margin-top: 4rem;
  max-width: 640px;
  transition-delay: 0.1s;
}

.calc__row {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: 1.6rem 0;
  border-bottom: 1px solid var(--rule);
}

.calc__label {
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  color: var(--muted);
}

.calc__input {
  font-family: var(--font);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  background: transparent;
  border: none;
  outline: none;
  color: var(--black);
  width: 100%;
  -moz-appearance: textfield;
  appearance: textfield;
}

.calc__input::-webkit-outer-spin-button,
.calc__input::-webkit-inner-spin-button {
  -webkit-appearance: none;
}

.calc__input::placeholder {
  color: color-mix(in srgb, var(--black) 25%, transparent);
}

.calc__result {
  margin-top: 1rem;
}

.calc__result-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 1.4rem 0;
  border-bottom: 1px solid var(--rule);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
}

.calc__result-row span:last-child {
  font-size: clamp(1.4rem, 2.6vw, 2rem);
  font-weight: 700;
  letter-spacing: 0;
}

.calc__note {
  margin-top: 1.2rem;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--muted);
}

/* ---------- gallery ---------- */

.gallery__grid {
  margin-top: 4.5rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2.5rem;
}

.gallery__item {
  border-top: 1px solid var(--rule);
  padding-top: 1.4rem;
  color: var(--black); /* line art inherits ink color */
}

.gallery__item svg {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.4s ease;
}

.gallery__item:hover svg {
  transform: translateY(-6px);
}

.gallery__item figcaption {
  margin-top: 1.2rem;
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  color: var(--muted);
}

/* ---------- forest (interactive toy) ---------- */

.forest__text {
  margin-top: 2rem;
  font-size: clamp(1rem, 1.6vw, 1.25rem);
  line-height: 1.65;
  color: var(--muted);
  max-width: 38em;
}

.forest__meta {
  margin-top: 3rem;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
  transition-delay: 0.1s;
}

.forest__count {
  font-size: clamp(1.1rem, 2vw, 1.6rem);
  font-weight: 700;
  letter-spacing: 0.06em;
  font-variant-numeric: tabular-nums;
}

.forest__clear {
  font-family: var(--font);
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  background: transparent;
  border: 1px solid var(--black);
  color: var(--black);
  padding: 0.45rem 1.1rem;
  cursor: pointer;
  transition: background 0.25s ease, color 0.25s ease;
}

.forest__clear:hover {
  background: var(--black);
  color: var(--green);
}

.forest__field {
  position: relative;
  margin-top: 2rem;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  transition-delay: 0.15s;
}

#forestCanvas {
  display: block;
  width: 100%;
  height: 380px;
  cursor: crosshair;
  touch-action: manipulation;
}

/* ---------- footer ---------- */

.footer {
  min-height: 70vh;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 6rem 4vw;
  text-align: center;
}

.footer__statement {
  font-size: clamp(1.8rem, 5vw, 4.2rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.footer__links {
  margin-top: 4rem;
  display: flex;
  justify-content: center;
  gap: 3rem;
  font-size: 0.72rem;
  letter-spacing: 0.2em;
}

.footer__links a {
  position: relative;
}

.footer__links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 1px;
  background: var(--black);
  transition: width 0.3s ease;
}

.footer__links a:hover::after {
  width: 100%;
}

/* ---------- responsive ---------- */

@media (max-width: 900px) {
  .mechanic__grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .gallery__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .section {
    padding: 7rem 6vw;
  }

  .nav {
    padding: 1.2rem 6vw;
  }

  .pager {
    left: 6vw;
  }
}

@media (max-width: 560px) {
  html {
    scroll-snap-type: none; /* free scroll on small screens */
  }

  .nav__links {
    gap: 1.1rem;
  }

  .nav__link,
  .nav__night {
    font-size: 0.6rem;
  }

  .nav__connect {
    padding: 0.45rem 0.9rem;
    font-size: 0.6rem;
  }

  .gallery__grid {
    grid-template-columns: 1fr;
  }

  .rewards__stats {
    flex-direction: column;
    gap: 3rem;
  }

  .wallet__row {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.45rem;
  }

  .wallet__row strong {
    text-align: left;
  }

  .footer__links {
    gap: 1.8rem;
  }

  .pager__label {
    display: none;
  }

  #forestCanvas {
    height: 300px;
  }
}

/* ---------- reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
    scroll-snap-type: none;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .split .char {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero__arrow,
  .hero__scrollhint {
    animation: none;
  }

  .cursor {
    display: none;
  }
}