/* ============================================================
   BAIOCCHI — styles.css
   Paleta, tipografia e layout. Mobile-first.
   Ajuste as variáveis em :root para mudar cores/ritmo globalmente.
   ============================================================ */

/* ----------------------------- Tokens ----------------------------- */
:root {
  /* Paleta (valores iniciais — trocar quando sair a identidade definitiva) */
  --cream:  #FAF8F4;   /* fundo base off-white */
  --sand:   #E8E1D5;   /* bege */
  --brown:  #6B4226;   /* marrom queimado */
  --ink:    #1A1815;   /* texto principal, quase-preto */
  --forest: #2F3B2C;   /* verde escuro, uso pontual */

  /* Derivadas */
  --cream-2:   #F3EEE5;
  --ink-70:    rgba(26, 24, 21, 0.70);
  --ink-55:    rgba(26, 24, 21, 0.55);
  --line:      rgba(47, 59, 44, 0.16);
  --line-soft: rgba(26, 24, 21, 0.10);
  --on-dark:   #F4EFE7;
  --on-dark-60: rgba(244, 239, 231, 0.62);

  /* Tipografia */
  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Escala fluida */
  --fs-hero:   clamp(2.75rem, 1.6rem + 5.6vw, 6rem);
  --fs-h2:     clamp(2rem, 1.3rem + 3vw, 3.4rem);
  --fs-lead:   clamp(1.45rem, 1.05rem + 1.8vw, 2.35rem);
  --fs-body:   clamp(1rem, 0.97rem + 0.16vw, 1.075rem);
  --fs-small:  0.8125rem;
  --fs-eyebrow: 0.75rem;

  /* Ritmo */
  --wrap: 1200px;
  --gutter: clamp(1.25rem, 5vw, 4rem);
  --section-y: clamp(4.5rem, 9vw, 9rem);
  --radius: 3px;

  /* Movimento */
  --ease: cubic-bezier(0.22, 0.61, 0.30, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --header-h: 68px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  font-weight: 400;
  line-height: 1.72;
  letter-spacing: 0.005em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

button { font: inherit; color: inherit; cursor: pointer; background: none; border: none; }
a { color: inherit; text-decoration: none; }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 380;
  font-optical-sizing: auto;
  line-height: 1.06;
  letter-spacing: -0.015em;
}

::selection { background: var(--brown); color: var(--cream); }

/* Grão sutil por cima de tudo — textura de impressão editorial */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.035;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* --------------------------- Utilitários --------------------------- */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: var(--section-y); }

.eyebrow {
  font-family: var(--font-body);
  font-size: var(--fs-eyebrow);
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--brown);
  margin-bottom: 1.4rem;
}
.eyebrow--light { color: rgba(244, 239, 231, 0.78); }
.eyebrow--center { text-align: center; }

.section-title {
  font-size: var(--fs-h2);
  color: var(--ink);
}
.section-title--light { color: var(--on-dark); }

.section-head { max-width: 42rem; margin-bottom: clamp(2.5rem, 5vw, 4rem); }

.amp { font-style: italic; color: var(--brown); font-weight: 340; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 10000;
  background: var(--ink);
  color: var(--cream);
  padding: 0.75rem 1.25rem;
  border-radius: 0 0 var(--radius) 0;
}
.skip-link:focus { left: 0; }

/* Foco visível e consistente (acessibilidade) */
:where(a, button, input, select, textarea):focus-visible {
  outline: 2px solid var(--brown);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ----------------------------- Botões ----------------------------- */
.btn {
  --btn-fg: var(--cream);
  --btn-bg: var(--ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  line-height: 1;
  padding: 1.05em 1.9em;
  border-radius: 999px;
  color: var(--btn-fg);
  background: var(--btn-bg);
  border: 1px solid transparent;
  transition: transform 0.5s var(--ease-out), background-color 0.4s var(--ease),
              color 0.4s var(--ease), box-shadow 0.5s var(--ease);
  will-change: transform;
}
.btn--solid { background: var(--brown); color: var(--cream); }
.btn--solid:hover { background: var(--ink); transform: translateY(-2px); box-shadow: 0 14px 30px -14px rgba(26,24,21,0.5); }
.btn--ghost {
  background: transparent;
  color: currentColor;
  border-color: currentColor;
  padding: 0.8em 1.35em;
}
.btn--ghost:hover { background: currentColor; }
/* Truque: no hover o texto herda a cor do fundo do header */
.btn--ghost:hover { color: var(--btn-hover-fg, var(--cream)); }
.btn--sm { font-size: 0.82rem; }
.btn--block { width: 100%; }

/* ----------------------------- Header ----------------------------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  color: var(--on-dark);
  transition: background-color 0.5s var(--ease), color 0.5s var(--ease),
              box-shadow 0.5s var(--ease), border-color 0.5s var(--ease);
  border-bottom: 1px solid transparent;
  --btn-hover-fg: var(--ink);
}
.site-header[data-scrolled] {
  background: rgba(250, 248, 244, 0.9);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  backdrop-filter: saturate(140%) blur(10px);
  color: var(--ink);
  border-bottom-color: var(--line-soft);
  --btn-hover-fg: var(--cream);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}
.wordmark {
  font-family: var(--font-display);
  font-weight: 420;
  font-size: 1.5rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: inherit;
}
.site-nav {
  display: none;
  align-items: center;
  gap: clamp(1.25rem, 2.5vw, 2.5rem);
}
.site-nav > a:not(.btn) {
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  position: relative;
  padding-block: 0.4rem;
  color: inherit;
  opacity: 0.9;
}
.site-nav > a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.45s var(--ease);
}
.site-nav > a:not(.btn):hover { opacity: 1; }
.site-nav > a:not(.btn):hover::after { transform: scaleX(1); }

@media (min-width: 800px) {
  .site-nav { display: flex; }
}

/* ------------------------------ Hero ------------------------------ */
.hero {
  position: relative;
  min-height: 100svh;
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  color: var(--on-dark);
}
.hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero__media img {
  width: 100%;
  height: 118%;               /* folga para o parallax */
  object-fit: cover;
  object-position: 50% 42%;
  will-change: transform;
}
.hero__scrim {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(to top, rgba(20, 18, 16, 0.86) 0%, rgba(20, 18, 16, 0.30) 42%, rgba(20, 18, 16, 0.15) 66%, rgba(20, 18, 16, 0.42) 100%);
}
.hero__content {
  position: relative;
  z-index: 2;
  padding-bottom: clamp(4.5rem, 11vh, 8rem);
  padding-top: calc(var(--header-h) + 2rem);
  max-width: 60rem;
}
.hero__title {
  font-size: var(--fs-hero);
  font-weight: 340;
  letter-spacing: -0.02em;
  margin-top: 0.4rem;
  max-width: 16ch;
  text-wrap: balance;
}
.hero__title-em { font-style: italic; color: #EAD9C4; font-weight: 300; }
.hero__lede {
  font-size: clamp(1.05rem, 0.95rem + 0.7vw, 1.4rem);
  color: var(--on-dark-60);
  margin-top: 1.4rem;
  max-width: 34ch;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.25rem 1.75rem;
  margin-top: clamp(2rem, 4vw, 2.75rem);
}
.hero__credit {
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--on-dark-60);
}
.hero__cue {
  position: absolute;
  z-index: 2;
  bottom: 1.75rem;
  left: 50%;
  transform: translateX(-50%);
  width: 26px; height: 44px;
  display: none;
}
.hero__cue-line {
  position: absolute;
  top: 0; left: 50%;
  width: 1px; height: 100%;
  background: linear-gradient(var(--on-dark-60), transparent);
  transform: translateX(-50%);
  overflow: hidden;
}
.hero__cue-line::after {
  content: "";
  position: absolute;
  top: -50%; left: 0;
  width: 100%; height: 50%;
  background: var(--on-dark);
  animation: cue 2.2s var(--ease) infinite;
}
@keyframes cue {
  0% { top: -50%; } 60%, 100% { top: 100%; }
}
@media (min-width: 800px) {
  .hero { align-items: center; }
  .hero__content { padding-bottom: 0; padding-top: 0; }
  .hero__cue { display: block; }
}

/* ---------------------------- Filosofia --------------------------- */
.filosofia { background: var(--cream); }
.filosofia__grid {
  display: grid;
  gap: clamp(2.5rem, 5vw, 5rem);
  align-items: center;
}
.lead-statement {
  font-family: var(--font-display);
  font-size: var(--fs-lead);
  font-weight: 340;
  line-height: 1.18;
  letter-spacing: -0.012em;
  color: var(--ink);
  margin-bottom: 1.5rem;
  text-wrap: balance;
}
.lead-statement + .prose { margin-top: 0; }
.prose { color: var(--ink-70); max-width: 42ch; }
.filosofia__portrait {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
}
.filosofia__portrait img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: 50% 30%;
}

@media (min-width: 860px) {
  .filosofia__grid { grid-template-columns: 1.05fr 0.95fr; }
  .filosofia__portrait { max-width: 460px; margin-left: auto; }
  .filosofia__portrait img { aspect-ratio: 3 / 4; }
}

/* ---------------------------- Portfólio --------------------------- */
.portfolio { background: var(--cream-2); }
.portfolio__desc {
  font-size: clamp(1.05rem, 1rem + 0.4vw, 1.25rem);
  color: var(--ink-70);
  max-width: 46ch;
  margin-top: 1.5rem;
}
.portfolio__desc--placeholder {
  border-left: 2px solid var(--brown);
  padding-left: 1.1rem;
  font-style: italic;
  color: var(--ink-55);
}

.gallery {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(0.6rem, 1.4vw, 1.1rem);
}
.gallery__item { margin: 0; }
.gallery__item--wide { grid-column: 1 / -1; }
.gallery__btn {
  display: block;
  width: 100%;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--sand);
}
.gallery__btn img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  transition: transform 1.1s var(--ease-out), filter 0.6s var(--ease);
  filter: saturate(0.98);
}
.gallery__item--wide .gallery__btn img { aspect-ratio: 16 / 10; object-position: 50% 40%; }
.gallery__btn:hover img { transform: scale(1.045); filter: saturate(1.05); }

@media (min-width: 720px) {
  .gallery { grid-template-columns: repeat(4, 1fr); }
  .gallery__item--wide { grid-column: span 2; }
  .gallery__item--wide .gallery__btn img { aspect-ratio: 4 / 5; }
}

/* -------------------------- Prova social -------------------------- */
.prova { background: var(--sand); }
.prova__inner {
  max-width: 46rem;
  margin-inline: auto;
  text-align: center;
}
.prova__quote {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 1.1rem + 1.9vw, 2.6rem);
  font-weight: 320;
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-wrap: balance;
}
.prova__logo {
  margin-top: clamp(2rem, 4vw, 3rem);
  color: var(--brown);
  display: flex;
  justify-content: center;
}
.prova__logo img { height: 34px; width: auto; opacity: 0.9; }

/* -------------------------- Como funciona ------------------------- */
.como { background: var(--cream); }
.specs { display: block; }
.specs__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.35rem 2rem;
  padding-block: clamp(1.25rem, 2.5vw, 1.9rem);
  border-top: 1px solid var(--line);
}
.specs__row:last-child { border-bottom: 1px solid var(--line); }
.specs dt {
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--brown);
  padding-top: 0.35rem;
}
.specs dd {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 1rem + 1vw, 1.7rem);
  font-weight: 330;
  line-height: 1.3;
  color: var(--ink);
}
.specs__muted { color: var(--ink-55); font-style: italic; font-size: 0.85em; }

@media (min-width: 720px) {
  .specs__row { grid-template-columns: 16rem 1fr; align-items: baseline; }
}

/* ----------------------------- Contato ---------------------------- */
.contato {
  background: var(--forest);
  color: var(--on-dark);
}
.contato__grid {
  display: grid;
  gap: clamp(2.5rem, 5vw, 4.5rem);
  align-items: start;
}
.contato__note {
  color: var(--on-dark-60);
  margin-top: 1.25rem;
  max-width: 34ch;
}
.contato__intro .section-title { margin-top: 0.4rem; }

@media (min-width: 880px) {
  .contato__grid { grid-template-columns: 0.9fr 1.1fr; gap: 5rem; }
  .contato__intro { position: sticky; top: calc(var(--header-h) + 2rem); }
}

/* Formulário */
.form { display: grid; gap: 1.4rem; }
.field { display: grid; gap: 0.5rem; }
.field label {
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(244, 239, 231, 0.8);
  font-weight: 500;
}
.req { color: #E7C9A6; }
.opt { text-transform: none; letter-spacing: 0; color: var(--on-dark-60); font-weight: 400; }

.field input,
.field select,
.field textarea {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--on-dark);
  background: rgba(244, 239, 231, 0.04);
  border: 1px solid rgba(244, 239, 231, 0.22);
  border-radius: var(--radius);
  padding: 0.9rem 1rem;
  width: 100%;
  transition: border-color 0.3s var(--ease), background-color 0.3s var(--ease);
}
.field textarea { resize: vertical; min-height: 7rem; }
.field input::placeholder,
.field textarea::placeholder { color: rgba(244, 239, 231, 0.4); }
.field input:hover,
.field select:hover,
.field textarea:hover { border-color: rgba(244, 239, 231, 0.4); }
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: #E7C9A6;
  background: rgba(244, 239, 231, 0.07);
}
.field input:focus-visible,
.field select:focus-visible,
.field textarea:focus-visible { outline: 2px solid #E7C9A6; outline-offset: 2px; }

/* Data e number: manter legível no fundo escuro */
.field input[type="date"] { color-scheme: dark; }

/* Select com seta customizada */
.select-wrap { position: relative; }
.select-wrap::after {
  content: "";
  position: absolute;
  right: 1.1rem; top: 50%;
  width: 0.5rem; height: 0.5rem;
  border-right: 1.5px solid rgba(244,239,231,0.7);
  border-bottom: 1.5px solid rgba(244,239,231,0.7);
  transform: translateY(-70%) rotate(45deg);
  pointer-events: none;
}
.field select {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 2.5rem;
}
.field select option { color: var(--ink); }

.field--half-group { display: grid; gap: 1.4rem; }
@media (min-width: 520px) {
  .field--half-group { grid-template-columns: 1fr 1fr; }
}

.field__error {
  font-size: 0.8rem;
  color: #F0B7A0;
  letter-spacing: 0.01em;
  text-transform: none;
}
.field[data-invalid] input,
.field[data-invalid] select { border-color: #E39B84; }

.form .btn { margin-top: 0.6rem; }

.form__status {
  font-size: 0.95rem;
  padding: 1rem 1.1rem;
  border-radius: var(--radius);
  line-height: 1.5;
}
.form__status[data-state="success"] {
  background: rgba(231, 201, 166, 0.14);
  border: 1px solid rgba(231, 201, 166, 0.4);
  color: #F1E4D2;
}
.form__status[data-state="error"] {
  background: rgba(227, 155, 132, 0.12);
  border: 1px solid rgba(227, 155, 132, 0.4);
  color: #F4CDBF;
}
.form__status a { text-decoration: underline; text-underline-offset: 3px; color: #F1E4D2; }

/* ------------------------------ Footer ----------------------------- */
.site-footer {
  background: var(--ink);
  color: var(--on-dark);
  padding-block: clamp(3rem, 6vw, 5rem);
}
.site-footer__inner { text-align: center; display: grid; gap: 0.6rem; justify-items: center; }
.wordmark--footer { font-size: 1.9rem; color: var(--on-dark); margin-bottom: 0.4rem; }
.site-footer__tag { font-family: var(--font-display); font-size: 1.15rem; font-weight: 330; color: rgba(244,239,231,0.85); font-style: italic; }
.site-footer__meta { font-size: 0.85rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--on-dark-60); margin-top: 0.5rem; }
.site-footer__copy { font-size: 0.78rem; color: rgba(244,239,231,0.4); margin-top: 1.2rem; }

/* ----------------------------- Lightbox ---------------------------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  place-items: center;
  padding: clamp(1rem, 4vw, 3rem);
}
.lightbox[hidden] { display: none; }
.lightbox__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 13, 11, 0.92);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  opacity: 0;
  transition: opacity 0.4s var(--ease);
}
.lightbox.is-open .lightbox__backdrop { opacity: 1; }
.lightbox__figure {
  position: relative;
  z-index: 2;
  max-width: min(92vw, 640px);
  max-height: 88vh;
  transform: scale(0.96);
  opacity: 0;
  transition: transform 0.5s var(--ease-out), opacity 0.4s var(--ease);
}
.lightbox.is-open .lightbox__figure { transform: scale(1); opacity: 1; }
.lightbox__img {
  width: 100%;
  max-height: 88vh;
  object-fit: contain;
  border-radius: var(--radius);
  box-shadow: 0 30px 80px -20px rgba(0,0,0,0.7);
}
.lightbox__close,
.lightbox__nav {
  position: absolute;
  z-index: 3;
  color: var(--on-dark);
  width: 48px; height: 48px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: rgba(244, 239, 231, 0.08);
  border: 1px solid rgba(244, 239, 231, 0.18);
  font-size: 1.6rem;
  line-height: 1;
  transition: background-color 0.3s var(--ease), transform 0.3s var(--ease);
}
.lightbox__close:hover,
.lightbox__nav:hover { background: rgba(244, 239, 231, 0.18); }
.lightbox__close { top: clamp(1rem, 3vw, 2rem); right: clamp(1rem, 3vw, 2rem); }
.lightbox__nav { top: 50%; transform: translateY(-50%); font-size: 2rem; }
.lightbox__nav:hover { transform: translateY(-50%) scale(1.06); }
.lightbox__nav--prev { left: clamp(0.5rem, 2vw, 1.5rem); }
.lightbox__nav--next { right: clamp(0.5rem, 2vw, 1.5rem); }
@media (max-width: 620px) {
  .lightbox__nav { top: auto; bottom: clamp(1rem, 4vw, 2rem); transform: none; }
  .lightbox__nav:hover { transform: scale(1.06); }
  .lightbox__nav--prev { left: 50%; margin-left: -60px; }
  .lightbox__nav--next { right: 50%; margin-right: -60px; }
}

/* --------------------- Animações de entrada (reveal) --------------- */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
}
.reveal.is-visible { opacity: 1; transform: none; }

/* Stagger leve em grupos */
.gallery__item { opacity: 0; transform: translateY(24px); transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out); }
.gallery.is-visible .gallery__item { opacity: 1; transform: none; }
.gallery.is-visible .gallery__item:nth-child(2) { transition-delay: 0.06s; }
.gallery.is-visible .gallery__item:nth-child(3) { transition-delay: 0.12s; }
.gallery.is-visible .gallery__item:nth-child(4) { transition-delay: 0.18s; }
.gallery.is-visible .gallery__item:nth-child(5) { transition-delay: 0.10s; }
.gallery.is-visible .gallery__item:nth-child(6) { transition-delay: 0.16s; }
.gallery.is-visible .gallery__item:nth-child(7) { transition-delay: 0.22s; }
.gallery.is-visible .gallery__item:nth-child(8) { transition-delay: 0.28s; }

.specs__row.reveal:nth-child(2) { transition-delay: 0.05s; }
.specs__row.reveal:nth-child(3) { transition-delay: 0.10s; }
.specs__row.reveal:nth-child(4) { transition-delay: 0.15s; }
.specs__row.reveal:nth-child(5) { transition-delay: 0.20s; }

/* ------------------- Preferências de movimento reduzido ------------ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .reveal, .gallery__item { opacity: 1; transform: none; }
  .hero__media img { height: 100%; }
}