/* ============================================================
   Viseu Guloso — case study bespoke, tom quente e divertido,
   deliberadamente oposto ao registo sério do resto do portefólio.
   Disciplina de performance: sem backdrop-filter, sem loops
   infinitos, só transform/opacity animados, tudo via
   IntersectionObserver/rAF. Duas famílias de fonte só.
   ============================================================ */

:root {
  --cream: #f3e6c8;
  --mustard: #f5b830;
  --ink: #2b2018;
  --ink-dim: rgba(43, 32, 24, 0.65);
  --kraft: #c9a876;
  --warm-dark: #2a0e08;
  --warm-light: #d9640a;
  --warm-accent: #f5841f;
  --radius: 18px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --display: "Baloo 2", "Arial Rounded MT Bold", sans-serif;
  --body: "Nunito", "SF Pro Text", sans-serif;
}

@property --reveal {
  syntax: "<number>";
  inherits: true;
  initial-value: 0;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--body);
  overflow-x: hidden;
  background-image: radial-gradient(rgba(43, 32, 24, 0.06) 1.5px, transparent 1.5px);
  background-size: 22px 22px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

::selection { background: rgba(245, 132, 31, 0.35); color: var(--ink); }

/* ---------- Revelação por scroll (--reveal tipada, threshold:0 de propósito —
   ver nota em ctad.css/ctad.js: clip-path no estado escondido zera a razão de
   interseção geométrica, por isso um threshold > 0 nunca seria atingido) ---------- */
.reveal-target {
  --reveal: 0;
  opacity: var(--reveal);
  clip-path: inset(calc((1 - var(--reveal)) * 100%) 0 0 0);
  transition: --reveal 800ms var(--ease);
  transition-delay: calc(var(--d, 0) * 70ms);
}

/* ---------- Barra fixa ---------- */
.vg-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1.5rem;
  background: rgba(243, 230, 200, 0.92);
  border-bottom: 2px solid var(--ink);
  font-family: var(--display);
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.03em;
}

.vg-case { color: var(--ink-dim); }

.vg-back {
  color: var(--ink);
  text-decoration: none;
  transition: color 0.3s var(--ease), transform 0.3s var(--ease);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.vg-back:hover,
.vg-back:focus-visible {
  color: var(--warm-light);
  transform: translateX(-3px);
}

/* ---------- Layout base ---------- */
main { padding-top: 4rem; }

.vg-hero,
.vg-section,
.vg-footer {
  max-width: 1100px;
  margin: 0 auto;
  padding: 4.5rem 1.5rem;
}

/* ---------- Hero ---------- */
.vg-hero {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 2.5rem;
  align-items: center;
  padding-top: 5rem;
}

.vg-kicker {
  font-family: var(--display);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.15em;
  color: var(--warm-light);
  margin: 0 0 1rem;
}

.vg-title {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(3rem, 9vw, 5.5rem);
  line-height: 0.92;
  margin: 0 0 1.5rem;
}

.vg-desc {
  font-size: 1.05rem;
  line-height: 1.65;
  max-width: 48ch;
  margin: 0 0 1.25rem;
}

.vg-context {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--ink-dim);
  max-width: 52ch;
  padding-top: 1.25rem;
  border-top: 2px dashed var(--kraft);
}

.vg-stats {
  display: flex;
  gap: 1.75rem;
  margin-top: 1.25rem;
}

.vg-stat {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.vg-stat-value {
  font-family: var(--display);
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--warm-light);
}

.vg-stat-label {
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-dim);
}

.vg-hero-logo {
  justify-self: center;
  width: min(280px, 100%);
  transform: rotate(-4deg);
}

.vg-hero-logo img {
  display: block;
  width: 100%;
  height: auto;
}

/* ---------- Secções ---------- */
.vg-section-kicker {
  font-family: var(--display);
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--warm-light);
  margin: 0 0 0.5rem;
}

.vg-section-title {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(2rem, 5vw, 3.2rem);
  margin: 0 0 0.75rem;
}

.vg-section-note {
  color: var(--ink-dim);
  font-size: 1rem;
  max-width: 56ch;
  margin: 0 0 2.5rem;
}

/* ---------- Coleção de cromos ---------- */
.cromo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.75rem;
}

.cromo {
  position: relative;
  margin: 0;
  background: #fff;
  border: 3px solid var(--ink);
  border-radius: var(--radius);
  padding: 0.6rem;
  transform: rotate(var(--tilt, 0deg));
  box-shadow: 6px 6px 0 rgba(43, 32, 24, 0.18);
  transition: transform 0.5s var(--ease), box-shadow 0.5s var(--ease);
}

.cromo:hover,
.cromo:focus-within {
  transform: rotate(0deg) translateY(-6px);
  box-shadow: 10px 14px 0 rgba(43, 32, 24, 0.22);
}

.cromo img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: calc(var(--radius) - 8px);
}

.cromo-number {
  position: absolute;
  top: -14px;
  left: -14px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--mustard);
  border: 3px solid var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--display);
  font-weight: 800;
  font-size: 0.75rem;
  z-index: 1;
}

.cromo figcaption {
  padding: 0.75rem 0.4rem 0.35rem;
  font-family: var(--display);
  font-weight: 700;
  font-size: 0.85rem;
  text-align: center;
}

/* ---------- Pratos reais (registo quente, deliberadamente à parte) ---------- */
.vg-section--warm {
  max-width: none;
  padding-left: clamp(1.5rem, 6vw, 6rem);
  padding-right: clamp(1.5rem, 6vw, 6rem);
  background: linear-gradient(160deg, var(--warm-dark), var(--warm-light) 70%, var(--warm-accent));
  color: #fff8ed;
}

.vg-section-kicker--warm { color: #ffd39a; }
.vg-section-title--warm { color: #fff8ed; }
.vg-section-note--warm { color: rgba(255, 248, 237, 0.8); }

.pratos-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.prato {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
  transition: transform 0.7s var(--ease);
}

.prato:hover { transform: translateY(-8px); }

.prato img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

/* ---------- Abre o pacote (interação assinatura) ---------- */
.pack-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.pack-wrap {
  position: relative;
  width: min(340px, 80%);
}

.pack-img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  box-shadow: 8px 8px 0 rgba(43, 32, 24, 0.18);
  transition: transform 0.6s var(--ease), opacity 0.6s var(--ease);
}

.pack-stage.is-open .pack-img {
  transform: scale(0.92) rotate(-4deg);
  opacity: 0.35;
}

.pack-btn {
  font-family: var(--display);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.85rem 1.75rem;
  background: var(--mustard);
  color: var(--ink);
  border: 3px solid var(--ink);
  border-radius: 999px;
  cursor: pointer;
  transition: transform 0.3s var(--ease), background 0.3s var(--ease);
}

.pack-btn:hover,
.pack-btn:focus-visible {
  background: #fff;
  transform: translateY(-3px);
}

.pack-stage.is-open .pack-btn { display: none; }

.album-cover {
  margin: 0 auto;
  max-width: 460px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 3px solid var(--ink);
  box-shadow: 8px 8px 0 rgba(43, 32, 24, 0.15);
  opacity: 0;
  transform: scale(0.75) translateY(24px) rotate(-3deg);
  transition: transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.5s var(--ease);
}

.pack-stage.is-open .album-cover {
  opacity: 1;
  transform: scale(1) translateY(0) rotate(0deg);
}

.album-cover img {
  display: block;
  width: 100%;
  height: auto;
}

/* ---------- Fecho ---------- */
.vg-footer {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  padding-bottom: 5rem;
}

.vg-footer-mark {
  width: 76px;
  height: 76px;
  border-radius: 50%;
}

.vg-footer-headline {
  font-family: var(--display);
  font-weight: 800;
  font-size: 1.5rem;
  max-width: 26ch;
  margin: 0;
}

.vg-footer-text {
  color: var(--ink-dim);
  font-size: 0.9rem;
}

.vg-privacy-link {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.vg-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--display);
  font-weight: 700;
  padding: 0.85rem 1.75rem;
  background: var(--ink);
  color: var(--cream);
  text-decoration: none;
  border-radius: 999px;
  transition: transform 0.3s var(--ease), background 0.3s var(--ease);
}

.vg-cta:hover,
.vg-cta:focus-visible {
  background: var(--warm-light);
  transform: translateY(-3px);
}

/* ---------- Responsive ---------- */
@media (max-width: 800px) {
  .vg-hero {
    grid-template-columns: 1fr;
    text-align: left;
    padding-top: 4rem;
  }
  .vg-hero-logo { justify-self: flex-start; width: 160px; order: -1; margin-bottom: 1rem; }
}

@media (max-width: 640px) {
  .vg-bar { padding: 0.7rem 1.1rem; font-size: 0.65rem; }
  .vg-hero, .vg-section, .vg-footer { padding: 3.5rem 1.25rem; }
  .vg-section--warm { padding-left: 1.25rem; padding-right: 1.25rem; }
  .cromo-grid { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
}