/* ==========================================================================
   Machu Picchu Today — Base
   Reset, tipografia, utilitários, sistema de ícones e animações.
   ========================================================================== */

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

html {
  -webkit-text-size-adjust: 100%;
  text-rendering: optimizeLegibility;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: var(--lh-relaxed);
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, picture, video, svg { display: block; max-width: 100%; height: auto; }
img { font-style: italic; color: transparent; }

button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; padding: 0; cursor: pointer; color: inherit; }

a {
  color: var(--color-link);
  text-decoration: none;
  transition: color var(--t-base) var(--ease-out-quad);
}
a:hover { color: var(--color-accent-strong); }

ul, ol { padding: 0; margin: 0; list-style: none; }

hr {
  border: 0;
  border-top: 1px solid var(--color-border);
  margin: var(--space-6) 0;
}

::selection { background: var(--mpt-gold-500); color: var(--mpt-blue-900); }

/* ---------- Sistema de Ícones (data-icon) — corrigido ---------- */
[data-icon] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.1em;
  height: 1.1em;
  flex-shrink: 0;
  vertical-align: middle;
  line-height: 1;
}
[data-icon] svg {
  width: 100%;
  height: 100%;
  max-height: 100%;
  display: block;
  flex-shrink: 0;
  overflow: visible;
}

/* Tamanhos contextuais para ícones */
.btn [data-icon] { width: 1.15em; height: 1.15em; }
.btn--lg [data-icon] { width: 1.2em; height: 1.2em; }
.icon-lg { width: 1.6em; height: 1.6em; }
.icon-xl { width: 2em; height: 2em; }

/* ---------- Tipografia ---------- */
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: var(--fw-regular);
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-tight);
  margin: 0;
  color: var(--mpt-blue-900);
  font-variation-settings: "opsz" 144, "SOFT" 50, "WONK" 0;
  /* Evita palavras gigantes (Choquequirao, personalizados) forçarem
     scroll horizontal em containers estreitos. */
  overflow-wrap: break-word;
  word-break: normal;
}
h1 { font-size: var(--fs-h1); letter-spacing: var(--ls-tighter); }
h2 { font-size: var(--fs-h2); letter-spacing: var(--ls-tighter); }
h3 { font-size: var(--fs-h3); line-height: var(--lh-snug); }
h4 { font-size: var(--fs-h4); line-height: var(--lh-snug); }
h5 { font-size: var(--fs-h5); line-height: var(--lh-snug); }
h6 {
  font-family: var(--font-sans);
  font-size: var(--fs-h6);
  font-weight: var(--fw-semibold);
  line-height: var(--lh-snug);
  margin: 0;
}

p { margin: 0 0 var(--space-4); }
p:last-child { margin-bottom: 0; }

.lead {
  font-size: var(--fs-body-lg);
  line-height: var(--lh-relaxed);
  color: var(--color-text);
}

/* Itálico editorial — usa o estilo italic da Fraunces */
em, .italic {
  font-style: italic;
  font-variation-settings: "opsz" 144, "SOFT" 100, "WONK" 1;
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: var(--fs-eyebrow);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--color-accent-strong);
  margin-bottom: var(--space-4);
  position: relative;
  padding-left: 44px;
  line-height: 1.2;
}
.eyebrow::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 32px;
  height: 1px;
  background: currentColor;
  transform: translateY(-50%) scaleX(0);
  transform-origin: left;
  animation: eyebrow-line 900ms var(--ease-out-expo) 200ms forwards;
}
.eyebrow--center {
  padding-left: 0;
  padding-top: 18px;
}
.eyebrow--center::before {
  left: 50%;
  top: 0;
  transform: translateX(-50%) scaleX(0);
  transform-origin: center;
  animation: eyebrow-line-center 900ms var(--ease-out-expo) 200ms forwards;
}
@keyframes eyebrow-line {
  to { transform: translateY(-50%) scaleX(1); }
}
@keyframes eyebrow-line-center {
  to { transform: translateX(-50%) scaleX(1); }
}

.eyebrow--light { color: var(--mpt-gold-500); }

/* Inverter tipografia em fundos escuros */
.dark, .dark h1, .dark h2, .dark h3, .dark h4, .dark h5 {
  color: var(--color-text-inverse);
}
.dark p, .dark li { color: rgba(244, 233, 224, 0.85); }
.dark .eyebrow { color: var(--mpt-gold-500); }

/* ---------- Container ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--container-px);
  padding-right: var(--container-px);
}
.container--narrow { max-width: var(--container-narrow); }
.container--wide { max-width: var(--container-wide); }

.section {
  padding-top: var(--section-py);
  padding-bottom: var(--section-py);
  position: relative;
}
.section--sm { padding-top: var(--section-py-sm); padding-bottom: var(--section-py-sm); }
.section--dark { background: var(--color-bg-dark); color: var(--color-text-inverse); }
.section--dark h1, .section--dark h2, .section--dark h3, .section--dark h4 { color: var(--color-text-inverse); }
.section--dark p, .section--dark li { color: rgba(244, 233, 224, 0.82); }
.section--cream { background: var(--color-bg-alt); }
.section--blue { background: var(--mpt-blue-700); color: var(--color-text-inverse); }
.section--blue h1, .section--blue h2, .section--blue h3 { color: var(--color-text-inverse); }

/* ---------- Utilitários ---------- */
.text-center { text-align: center; }
.text-balance { text-wrap: balance; }
.text-pretty { text-wrap: pretty; }

.mt-0 { margin-top: 0; } .mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); } .mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mb-0 { margin-bottom: 0; } .mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); } .mb-8 { margin-bottom: var(--space-8); }

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

.grid { display: grid; gap: var(--space-6); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

@media (max-width: 960px) {
  .grid--3, .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
}

.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-col { flex-direction: column; }
.gap-2 { gap: var(--space-2); } .gap-4 { gap: var(--space-4); } .gap-6 { gap: var(--space-6); }

/* ---------- Backgrounds decorativos ---------- */
.bg-texture { position: relative; }
.bg-texture::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(rgba(207, 169, 112, 0.08) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
  opacity: 0.7;
}

.bg-stars { position: relative; overflow: hidden; }
.bg-stars::after {
  content: "";
  position: absolute;
  inset: -10%;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(220, 191, 142, 0.14) 0, transparent 60%),
    radial-gradient(circle at 80% 70%, rgba(30, 100, 181, 0.18) 0, transparent 50%);
  pointer-events: none;
  z-index: 0;
}
.bg-stars > * { position: relative; z-index: 1; }

/* Divider dourado fino */
.gold-divider {
  display: block;
  width: 60px;
  height: 1px;
  background: var(--color-accent);
  margin: var(--space-5) 0;
}
.gold-divider--center { margin-left: auto; margin-right: auto; }

/* ========================================================================
   SISTEMA DE ANIMAÇÕES
   ======================================================================== */

/* Stagger via CSS custom property — set automaticamente por seletores */
[data-stagger-list] > *, [data-cascade] > * { --i: 0; --stagger-delay: 90ms; }
[data-stagger-list] > *:nth-child(1),  [data-cascade] > *:nth-child(1)  { --i: 0; }
[data-stagger-list] > *:nth-child(2),  [data-cascade] > *:nth-child(2)  { --i: 1; }
[data-stagger-list] > *:nth-child(3),  [data-cascade] > *:nth-child(3)  { --i: 2; }
[data-stagger-list] > *:nth-child(4),  [data-cascade] > *:nth-child(4)  { --i: 3; }
[data-stagger-list] > *:nth-child(5),  [data-cascade] > *:nth-child(5)  { --i: 4; }
[data-stagger-list] > *:nth-child(6),  [data-cascade] > *:nth-child(6)  { --i: 5; }
[data-stagger-list] > *:nth-child(7),  [data-cascade] > *:nth-child(7)  { --i: 6; }
[data-stagger-list] > *:nth-child(8),  [data-cascade] > *:nth-child(8)  { --i: 7; }
[data-stagger-list] > *:nth-child(9),  [data-cascade] > *:nth-child(9)  { --i: 8; }
[data-stagger-list] > *:nth-child(10), [data-cascade] > *:nth-child(10) { --i: 9; }
[data-stagger-list] > *:nth-child(11), [data-cascade] > *:nth-child(11) { --i: 10; }
[data-stagger-list] > *:nth-child(12), [data-cascade] > *:nth-child(12) { --i: 11; }

/* Data-cascade — efeito stagger nos filhos quando o pai entra na viewport */
[data-cascade] > * {
  opacity: 0;
  transform: translateY(45px);
  transition:
    opacity var(--t-slower) var(--ease-out-expo),
    transform var(--t-slower) var(--ease-out-expo);
  transition-delay: calc(var(--i, 0) * var(--stagger-delay, 90ms));
  will-change: opacity, transform;
}
[data-cascade].is-visible > * {
  opacity: 1;
  transform: none;
}

/* Reveal genérico — IntersectionObserver controla `.is-visible` */
[data-reveal] {
  opacity: 0;
  transform: translateY(40px);
  transition:
    opacity var(--t-cinematic) var(--ease-out-expo),
    transform var(--t-cinematic) var(--ease-out-expo);
  transition-delay: calc(var(--i, 0) * var(--stagger-delay, 80ms));
  will-change: opacity, transform;
}
[data-reveal="up"] { transform: translateY(40px); }
[data-reveal="down"] { transform: translateY(-40px); }
[data-reveal="left"] { transform: translateX(-50px); }
[data-reveal="right"] { transform: translateX(50px); }
[data-reveal="scale"] { transform: scale(0.92); }
[data-reveal="fade"] { transform: none; }
[data-reveal="rise"] { transform: translateY(70px) scale(0.96); }

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* Filhos que herdam reveal — usados em listas/grids */
[data-reveal-children] > * {
  opacity: 0;
  transform: translateY(40px);
  transition:
    opacity var(--t-cinematic) var(--ease-out-expo),
    transform var(--t-cinematic) var(--ease-out-expo);
  transition-delay: calc(var(--i, 0) * 100ms);
}
[data-reveal-children].is-visible > * {
  opacity: 1;
  transform: none;
}

/* Delay individual */
[data-reveal-delay="100"] { transition-delay: 100ms !important; }
[data-reveal-delay="200"] { transition-delay: 200ms !important; }
[data-reveal-delay="300"] { transition-delay: 300ms !important; }
[data-reveal-delay="400"] { transition-delay: 400ms !important; }
[data-reveal-delay="500"] { transition-delay: 500ms !important; }
[data-reveal-delay="600"] { transition-delay: 600ms !important; }

/* Reveal cinemático "cortina" — overlay opaco que desliza para fora.
   Antes usávamos clip-path com inset(0 100% 0 0), mas o Chrome às vezes
   tira o elemento da layer tree quando a área pintável é zero e depois
   não consegue reintegrá-lo no transition → imagem não aparece.
   Esta versão pinta o conteúdo normalmente e só cobre com um ::after
   que desliza, o que funciona em todos os navegadores. */
[data-reveal-clip] {
  position: relative;
  overflow: hidden;
}
[data-reveal-clip]::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--mpt-blue-950);
  z-index: 10;
  pointer-events: none;
  transform: translateX(0);
  transition: transform 1400ms var(--ease-out-expo);
  will-change: transform;
}
[data-reveal-clip].is-visible::after { transform: translateX(101%); }

[data-reveal-clip="bottom"]::after { transform: translateY(0); }
[data-reveal-clip="bottom"].is-visible::after { transform: translateY(-101%); }
[data-reveal-clip="top"]::after { transform: translateY(0); }
[data-reveal-clip="top"].is-visible::after { transform: translateY(101%); }

/* Reveal de imagem com zoom-out */
[data-reveal-zoom] img,
[data-reveal-zoom] .img-placeholder {
  transform: scale(1.15);
  transition: transform 1600ms var(--ease-out-expo);
}
[data-reveal-zoom].is-visible img,
[data-reveal-zoom].is-visible .img-placeholder {
  transform: scale(1);
}

/* Split text — letras revelam em cascade */
[data-split-text] .char {
  display: inline-block;
  opacity: 0;
  transform: translateY(0.6em);
  transition:
    opacity 800ms var(--ease-out-expo),
    transform 800ms var(--ease-out-expo);
  transition-delay: calc(var(--i, 0) * 32ms);
}
[data-split-text].is-visible .char {
  opacity: 1;
  transform: none;
}

/* Hover lift cinemático */
.hover-lift {
  transition: transform var(--t-base) var(--ease-out-quart),
              box-shadow var(--t-base) var(--ease-out-quart);
}
.hover-lift:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

/* Loop infinito utilitários */
@keyframes loop-spin-right { to { transform: rotate(360deg); } }
@keyframes loop-spin-left { to { transform: rotate(-360deg); } }

/* ========================================================================
   PLACEHOLDERS / IMG FRAMES
   ======================================================================== */
.img-frame {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--mpt-blue-800), var(--mpt-blue-700));
  border-radius: var(--r-lg);
}
.img-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--t-slow) var(--ease-out-quart);
}
.img-frame--zoom:hover img { transform: scale(1.05); }

.img-placeholder {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-6);
  background:
    linear-gradient(135deg, rgba(0, 26, 55, 0.95), rgba(0, 61, 128, 0.85)),
    radial-gradient(circle at 30% 40%, rgba(207, 169, 112, 0.3), transparent 60%);
  color: var(--mpt-ivory);
  font-family: var(--font-display);
  font-weight: var(--fw-regular);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  font-size: 0.82rem;
  border-radius: var(--r-lg);
  min-height: 220px;
  width: 100%;
  height: 100%;
  overflow: hidden;
}
.img-placeholder::before {
  content: "";
  position: absolute;
  inset: 14px;
  border: 1px solid rgba(220, 191, 142, 0.45);
  border-radius: calc(var(--r-lg) - 4px);
  pointer-events: none;
}
.img-placeholder::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 70% 30%, rgba(220, 191, 142, 0.18), transparent 50%),
    radial-gradient(circle at 20% 80%, rgba(30, 100, 181, 0.4), transparent 55%);
  pointer-events: none;
  opacity: 0.7;
}
.img-placeholder > * { position: relative; z-index: 1; }
.img-placeholder .ph-label {
  display: block;
  font-size: 0.72rem;
  letter-spacing: var(--ls-widest);
  color: var(--mpt-gold-500);
  margin-bottom: var(--space-3);
}
.img-placeholder .ph-title {
  display: block;
  font-size: 1.15rem;
  letter-spacing: 0.04em;
  color: var(--mpt-ivory);
  max-width: 80%;
  margin: 0 auto;
  line-height: 1.3;
}

/* Mountain icon decorativo no placeholder */
.img-placeholder .ph-mark {
  display: block;
  width: 56px;
  height: 56px;
  margin: 0 auto var(--space-3);
  opacity: 0.5;
  color: var(--mpt-gold-500);
}

/* ---------- Focus states (acessibilidade) ---------- */
:where(a, button, input, select, textarea, [tabindex]):focus-visible {
  outline: 2px solid var(--mpt-gold-500);
  outline-offset: 3px;
  border-radius: var(--r-xs);
}

/* ---------- Scrollbar discreta ---------- */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--mpt-cream); }
::-webkit-scrollbar-thumb {
  background: var(--mpt-gold-600);
  border-radius: var(--r-pill);
  border: 2px solid var(--mpt-cream);
}
::-webkit-scrollbar-thumb:hover { background: var(--mpt-gold-700); }