/* ============ base ============ */

:root {
  --green-950: #0a1f14;
  --green-900: #0e2a1c;
  --green-800: #143c28;
  --green-line: rgba(255, 255, 255, 0.09);
  --cream: #f4eee0;
  --cream-dim: #cfc9b8;
  --paper: #fbf8ee;
  --ink: #23231f;
  --ink-soft: #6d6a5e;
  --gold: #e8b93b;
  --gold-deep: #b98d16;
  --serif: "Fraunces", Georgia, serif;
  --mono: "Space Mono", "Courier New", monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--green-950);
}

body {
  margin: 0;
  background:
    repeating-linear-gradient(-45deg, rgba(255, 255, 255, 0.015) 0 2px, transparent 2px 6px),
    linear-gradient(175deg, var(--green-900), var(--green-950) 900px);
  color: var(--cream);
  font-family: var(--serif);
  font-weight: 500;
  line-height: 1.6;
}

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

a {
  color: inherit;
}

::selection {
  background: var(--gold);
  color: var(--green-950);
}

/* ============ topbar ============ */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-width: 1060px;
  margin: 0 auto;
  padding: 22px 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.01em;
}

.brand-coin {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #ffd968, var(--gold) 55%, var(--gold-deep));
  color: #3c2c05;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 0.95rem;
  box-shadow: inset 0 0 0 2px rgba(120, 84, 10, 0.55);
}

.topnav {
  display: flex;
  gap: 26px;
  font-family: var(--mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.topnav a {
  text-decoration: none;
  color: var(--cream-dim);
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}

.topnav a:hover,
.topnav a:focus-visible {
  color: var(--cream);
  border-bottom-color: var(--gold);
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 3px;
  border-radius: 3px;
}

/* ============ hero ============ */

.hero {
  max-width: 780px;
  margin: 0 auto;
  padding: 64px 24px 72px;
  text-align: center;
}

.coin {
  width: 92px;
  height: 92px;
  margin: 0 auto 34px;
  perspective: 600px;
}

.coin-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  animation: coin-flip 7s ease-in-out infinite;
}

.coin-face {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 2.4rem;
  color: #3c2c05;
  background: radial-gradient(circle at 35% 30%, #ffd968, var(--gold) 55%, var(--gold-deep));
  box-shadow:
    inset 0 0 0 5px rgba(120, 84, 10, 0.45),
    0 14px 32px rgba(0, 0, 0, 0.4);
  backface-visibility: hidden;
}

.coin-back {
  transform: rotateY(180deg);
  font-size: 1.7rem;
}

@keyframes coin-flip {
  0%, 58% { transform: rotateY(0); }
  72%, 86% { transform: rotateY(180deg); }
  100% { transform: rotateY(360deg); }
}

.hero h1 {
  margin: 0 0 20px;
  font-size: clamp(2.6rem, 7vw, 4.6rem);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -0.015em;
}

.hero h1 em {
  font-style: italic;
  color: var(--gold);
}

.lede {
  font-size: clamp(1.02rem, 2.2vw, 1.2rem);
  color: var(--cream-dim);
  max-width: 580px;
  margin: 0 auto 34px;
}

.lede strong {
  color: var(--cream);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}

.btn {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.92rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  text-decoration: none;
  padding: 15px 28px;
  border-radius: 6px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn-gold {
  background: var(--gold);
  color: #2b1f03;
  box-shadow: 0 4px 0 var(--gold-deep);
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 0 var(--gold-deep);
}

.btn-gold:active {
  transform: translateY(2px);
  box-shadow: 0 1px 0 var(--gold-deep);
}

.btn-ghost {
  color: var(--cream);
  border: 1px solid var(--green-line);
}

.btn-ghost:hover {
  border-color: var(--cream-dim);
}

.hero-note {
  margin: 22px 0 0;
  font-family: var(--mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--cream-dim);
}

/* ============ ticker ============ */

.ticker {
  overflow: hidden;
  border-top: 1px solid var(--green-line);
  border-bottom: 1px solid var(--green-line);
  padding: 10px 0;
  background: rgba(0, 0, 0, 0.18);
}

.ticker-track {
  display: flex;
  white-space: nowrap;
  width: max-content;
  animation: ticker 112s linear infinite;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--cream-dim);
}

@keyframes ticker {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ============ demo (cupom) ============ */

.demo {
  max-width: 1060px;
  margin: 0 auto;
  padding: 88px 24px 96px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 56px;
  align-items: center;
}

.demo-copy h2 {
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  font-weight: 900;
  line-height: 1.1;
  margin: 0 0 18px;
}

.demo-copy p {
  color: var(--cream-dim);
  max-width: 44ch;
}

.slider-block {
  margin-top: 36px;
  border: 1px solid var(--green-line);
  border-radius: 12px;
  padding: 20px 22px 16px;
  background: rgba(0, 0, 0, 0.18);
}

.slider-block label {
  display: block;
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--cream-dim);
}

.slider-block output {
  display: block;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 2.6rem;
  color: var(--gold);
  line-height: 1.15;
  margin-bottom: 6px;
}

#year-slider {
  width: 100%;
  accent-color: var(--gold);
  cursor: ew-resize;
}

.slider-ends {
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--cream-dim);
  margin-top: 4px;
}

/* --- o cupom --- */

.receipt-wrap {
  display: flex;
  justify-content: center;
}

.receipt {
  width: min(360px, 100%);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.82rem;
  line-height: 1.5;
  padding: 26px 22px 22px;
  transform: rotate(1.2deg);
  box-shadow:
    0 1px 2px rgba(0, 0, 0, 0.3),
    0 18px 44px rgba(0, 0, 0, 0.45);
  /* borda serrilhada em cima e embaixo */
  --notch: 10px;
  clip-path: polygon(
    0 var(--notch), 4% 0, 8% var(--notch), 12% 0, 16% var(--notch), 20% 0,
    24% var(--notch), 28% 0, 32% var(--notch), 36% 0, 40% var(--notch), 44% 0,
    48% var(--notch), 52% 0, 56% var(--notch), 60% 0, 64% var(--notch), 68% 0,
    72% var(--notch), 76% 0, 80% var(--notch), 84% 0, 88% var(--notch), 92% 0,
    96% var(--notch), 100% 0,
    100% calc(100% - var(--notch)), 96% 100%, 92% calc(100% - var(--notch)), 88% 100%,
    84% calc(100% - var(--notch)), 80% 100%, 76% calc(100% - var(--notch)), 72% 100%,
    68% calc(100% - var(--notch)), 64% 100%, 60% calc(100% - var(--notch)), 56% 100%,
    52% calc(100% - var(--notch)), 48% 100%, 44% calc(100% - var(--notch)), 40% 100%,
    36% calc(100% - var(--notch)), 32% 100%, 28% calc(100% - var(--notch)), 24% 100%,
    20% calc(100% - var(--notch)), 16% 100%, 12% calc(100% - var(--notch)), 8% 100%,
    4% calc(100% - var(--notch)), 0 100%
  );
}

.r-store {
  margin: 8px 0 0;
  text-align: center;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.06em;
}

.r-sub {
  margin: 2px 0 6px;
  text-align: center;
  font-size: 0.68rem;
  color: var(--ink-soft);
}

.r-title {
  margin: 6px 0;
  text-align: center;
  font-weight: 700;
  font-size: 0.8rem;
}

.r-cut {
  color: var(--ink-soft);
  text-align: center;
  overflow: hidden;
  white-space: nowrap;
  user-select: none;
  margin: 4px 0;
}

.r-row {
  display: flex;
  align-items: baseline;
  gap: 6px;
  padding: 1px 0;
}

.r-name {
  flex-shrink: 0;
}

.r-dots {
  flex: 1;
  border-bottom: 1px dotted rgba(35, 35, 31, 0.45);
  transform: translateY(-4px);
}

.r-qty {
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.r-unit {
  flex-shrink: 0;
  width: 2.4em;
  color: var(--ink-soft);
  font-size: 0.72rem;
}

.r-total .r-qty,
.r-total .r-name {
  font-weight: 700;
  font-size: 0.92rem;
}

.r-footer {
  margin: 14px 0 4px;
  text-align: center;
  font-weight: 700;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
}

.r-source {
  margin: 0 0 8px;
  text-align: center;
  font-size: 0.62rem;
  color: var(--ink-soft);
}

/* ============ extensão ============ */

.ext {
  max-width: 1060px;
  margin: 0 auto;
  padding: 8px 24px 96px;
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: 56px;
  align-items: center;
}

.ext-shot img {
  width: min(320px, 88%);
  margin: 0 auto;
  border-radius: 14px;
  transform: rotate(-1.6deg);
  box-shadow:
    0 1px 2px rgba(0, 0, 0, 0.35),
    0 22px 48px rgba(0, 0, 0, 0.5);
  border: 1px solid var(--green-line);
}

.ext-copy h2 {
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  font-weight: 900;
  line-height: 1.1;
  margin: 0 0 16px;
}

.ext-copy p {
  color: var(--cream-dim);
  max-width: 46ch;
}

.plain-list {
  list-style: none;
  margin: 22px 0 30px;
  padding: 0;
}

.plain-list li {
  padding: 9px 0 9px 26px;
  position: relative;
  border-bottom: 1px solid var(--green-line);
}

.plain-list li:first-child {
  border-top: 1px solid var(--green-line);
}

.plain-list li::before {
  content: "✓";
  position: absolute;
  left: 2px;
  color: var(--gold);
  font-family: var(--mono);
  font-weight: 700;
}

/* ============ instalar ============ */

.install {
  max-width: 640px;
  margin: 0 auto;
  padding: 0 24px 96px;
  text-align: center;
}

.install h2 {
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  font-weight: 900;
  margin: 0 0 10px;
}

.install-sub {
  color: var(--cream-dim);
  margin: 0 0 36px;
}

.steps {
  list-style: none;
  counter-reset: step;
  margin: 0;
  padding: 0;
  text-align: left;
}

.steps li {
  counter-increment: step;
  display: flex;
  gap: 18px;
  align-items: baseline;
  padding: 14px 4px;
  border-bottom: 1px dashed var(--green-line);
}

.steps li::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--mono);
  font-weight: 700;
  color: var(--gold);
  flex-shrink: 0;
}

.steps code {
  font-family: var(--mono);
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--green-line);
  padding: 1px 7px;
  border-radius: 5px;
  font-size: 0.85em;
}

/* ============ footer ============ */

.footer {
  border-top: 1px solid var(--green-line);
  padding: 34px 24px 46px;
  text-align: center;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 28px;
  font-family: var(--mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 18px;
}

.footer-links a {
  color: var(--cream-dim);
}

.footer-links a:hover {
  color: var(--cream);
}

.footer-note {
  color: var(--cream-dim);
  font-size: 0.8rem;
  max-width: 560px;
  margin: 0 auto 8px;
}

/* ============ páginas de ano (/ano/) ============ */

.kicker {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--gold);
  margin: 0 0 14px;
}

.year-hero {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 24px 40px;
  text-align: center;
}

.year-hero h1 {
  margin: 0 0 18px;
  font-size: clamp(2.1rem, 6vw, 3.6rem);
  font-weight: 900;
  line-height: 1.06;
}

.year-hero h1 em {
  font-style: italic;
  color: var(--gold);
}

.year-receipt {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px 56px;
}

.year-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-top: 34px;
  font-family: var(--mono);
  font-size: 0.85rem;
}

.year-nav-link {
  color: var(--cream-dim);
  text-decoration: none;
  border: 1px solid var(--green-line);
  border-radius: 6px;
  padding: 9px 14px;
}

.year-nav-link:hover {
  color: var(--cream);
  border-color: var(--cream-dim);
}

.year-cta {
  max-width: 640px;
  margin: 0 auto;
  padding: 0 24px 88px;
  text-align: center;
}

.year-cta h2 {
  font-size: clamp(1.5rem, 3.4vw, 2.1rem);
  font-weight: 900;
  margin: 0 0 12px;
}

.year-cta p {
  color: var(--cream-dim);
  margin: 0 0 26px;
}

.archive {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 24px 88px;
}

.archive-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 12px;
}

.archive-card {
  display: flex;
  flex-direction: column;
  gap: 2px;
  text-decoration: none;
  border: 1px solid var(--green-line);
  border-radius: 10px;
  padding: 14px 16px;
  background: rgba(0, 0, 0, 0.18);
}

.archive-card:hover {
  border-color: var(--gold);
}

.archive-card strong {
  font-family: var(--mono);
  font-size: 1.15rem;
  color: var(--cream);
}

.archive-card span {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--cream-dim);
  letter-spacing: 0.03em;
}

/* bloco de links de anos na home */
.home-archive {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 24px 88px;
  text-align: center;
}

.home-archive h2 {
  font-size: clamp(1.5rem, 3.4vw, 2.1rem);
  font-weight: 900;
  margin: 0 0 10px;
}

.home-archive p {
  color: var(--cream-dim);
  margin: 0 0 24px;
}

.year-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 0.85rem;
}

.year-links a {
  color: var(--cream-dim);
  text-decoration: none;
  border: 1px solid var(--green-line);
  border-radius: 6px;
  padding: 6px 10px;
}

.year-links a:hover {
  color: var(--cream);
  border-color: var(--gold);
}

/* ============ revelação / animações ============ */

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.in-view {
  opacity: 1;
  transform: none;
}

.receipt-wrap.reveal {
  transform: translateY(22px) rotate(0deg);
}

.receipt-wrap.reveal.in-view {
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .coin-inner {
    animation: none;
  }
  /* A faixa é parte da identidade do site: em vez de parar,
     anda 4x mais devagar pra quem pediu menos movimento. */
  .ticker-track {
    animation-duration: 448s;
  }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .btn {
    transition: none;
  }
}

/* ============ responsivo ============ */

@media (max-width: 840px) {
  .demo,
  .ext {
    grid-template-columns: 1fr;
    gap: 44px;
    padding-top: 64px;
    padding-bottom: 72px;
  }

  .ext {
    padding-top: 0;
  }

  .ext-shot {
    order: 2;
  }

  .topnav {
    gap: 16px;
  }

  .topnav a:first-child {
    display: none;
  }
}