/* ============================================================
   Mariana Magon — Design System
   ============================================================ */

:root {
  /* Cores — tema escuro */
  --color-bg: #0d0d0d;          /* preto */
  --color-surface: #181818;     /* cards / superfícies */
  --color-ink: #f7f5f1;         /* off-white (texto) */
  --color-ink-soft: #b3aea6;    /* off-white suave */
  --color-accent: #e0117a;      /* magenta */
  --color-accent-dark: #b80d63;
  --color-line: #2a2a2a;

  /* Tipografia */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;

  /* Layout */
  --container: 1120px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --section-py: clamp(4rem, 9vw, 8rem);
  --radius: 4px;

  /* Transições */
  --ease: 0.25s ease;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 88px; }

body {
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--color-ink);
  background-color: var(--color-bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* ===== Tipografia base ===== */
h1, h2, h3 { font-family: var(--font-display); font-weight: 600; line-height: 1.15; }
h2 { font-size: clamp(1.9rem, 4vw, 2.75rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.6rem); }

.eyebrow {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

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

.section { padding-block: var(--section-py); }
.section + .section { border-top: 1px solid var(--color-line); }

/* ===== Botões ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.95rem;
  font-weight: 500;
  padding: 0.9rem 1.6rem;
  border-radius: var(--radius);
  transition: background var(--ease), color var(--ease), border-color var(--ease), transform var(--ease);
}
.btn--primary { background: var(--color-accent); color: #fff; }
.btn--primary:hover { background: var(--color-accent-dark); transform: translateY(-2px); }
.btn--outline { border: 1.5px solid var(--color-ink); color: var(--color-ink); }
.btn--outline:hover { background: var(--color-ink); color: var(--color-bg); transform: translateY(-2px); }

/* ===== Header / Nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13, 13, 13, 0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.nav__logo { font-family: var(--font-display); font-size: 1.2rem; font-weight: 600; }
.nav__menu { display: flex; gap: 2rem; }
.nav__menu a { font-size: 0.92rem; font-weight: 500; position: relative; transition: color var(--ease); }
.nav__menu a:hover { color: var(--color-accent); }

.nav__toggle { display: none; flex-direction: column; gap: 5px; padding: 6px; }
.nav__toggle span { width: 24px; height: 2px; background: var(--color-ink); transition: var(--ease); }

@media (max-width: 768px) {
  .nav__toggle { display: flex; }
  .nav__menu {
    position: absolute;
    top: 72px; left: 0; right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-line);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--ease);
  }
  .nav__menu.is-open { max-height: 320px; }
  .nav__menu li { border-top: 1px solid var(--color-line); }
  .nav__menu a { display: block; padding: 1rem var(--gutter); }
}

/* ===== Footer ===== */
.site-footer {
  background: #080808;
  color: var(--color-ink);
  padding-block: 2.5rem;
  font-size: 0.85rem;
  border-top: 1px solid var(--color-line);
}
.site-footer p { opacity: 0.6; }

/* ============================================================
   Estilos por seção
   ============================================================ */

/* ===== Placeholders (substituir por imagens reais) ===== */
.photo-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #ece7df, #ddd6ca);
  color: var(--color-ink-soft);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  border-radius: var(--radius);
  text-align: center;
  padding: 1rem;
}
.photo-placeholder--portrait { aspect-ratio: 4 / 5; }

.logo-placeholder {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  font-size: 0.8rem;
  color: var(--color-ink-soft);
  background: var(--color-surface);
}

/* ===== Hero ===== */
.section--hero { padding-top: clamp(3rem, 6vw, 5rem); }
.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
}
.hero__name { font-size: clamp(3rem, 8vw, 6rem); font-weight: 700; line-height: 1; }
.hero__subhead {
  font-size: clamp(1.15rem, 2.2vw, 1.5rem);
  color: var(--color-ink-soft);
  max-width: 32ch;
  margin-top: 1.25rem;
}
.hero__ctas {
  display: flex;
  flex-direction: column;
  align-items: stretch;   /* os dois botões esticam para a mesma largura */
  width: fit-content;     /* largura = a do botão mais largo (início e fim alinhados) */
  gap: 1rem;
  margin-top: 2.25rem;
}
.hero__photo { max-width: 420px; width: 100%; margin-inline: auto; }
.hero__img {
  width: 100%;
  aspect-ratio: 3 / 2;        /* proporção da foto (paisagem): respeita o recorte */
  object-fit: cover;
  object-position: center;
  border-radius: var(--radius);
}
.hero__img.is-flipped { transform: scaleX(-1); }  /* espelhada no eixo vertical */

/* ===== Sobre ===== */
.sobre {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  margin-top: clamp(3rem, 7vw, 5.5rem);
  padding-top: clamp(2.5rem, 5vw, 4rem);
  border-top: 1px solid var(--color-line);
}
.sobre__text p + p { margin-top: 1.1rem; }
.sobre__img {
  width: 100%;
  aspect-ratio: 4 / 5;        /* proporção da foto: respeita o recorte */
  object-fit: cover;
  object-position: center;
  border-radius: var(--radius);
}
.parceiras__label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-ink-soft);
  margin-bottom: 1rem;
}

/* Foto como coluna lateral (Publicidades / Palestras) */
.intro-photo { align-self: start; position: sticky; top: 96px; }
.intro-photo img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: var(--radius);
}

/* ===== Two-col (Palestras / Publicidade) ===== */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}
.two-col__intro p + p { margin-top: 1.1rem; }
.two-col__intro h2 { margin-bottom: 1.25rem; }
.two-col__intro .btn { margin-top: 2.25rem; }

.stat {
  margin-top: 2rem;
  padding: 1.5rem;
  background: var(--color-surface);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius);
}
.stat strong { display: block; font-family: var(--font-display); font-size: 2rem; color: var(--color-accent); }
.stat span { font-size: 0.95rem; color: var(--color-ink-soft); }

.parceiras { margin-top: 2rem; }
.parceiras__list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: 0.75rem;
}
.brand {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 64px;
  padding: 0.75rem 1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
}
.brand img {
  max-height: 34px;
  max-width: 100%;
  width: auto;
  object-fit: contain;
  /* logos costumam ser escuros: clareia para o fundo preto */
  filter: brightness(0) invert(1);
  opacity: 0.85;
  transition: opacity var(--ease);
}
.brand:hover img { opacity: 1; }
.brand > span { display: none; font-size: 0.85rem; font-weight: 500; color: var(--color-ink-soft); text-align: center; }
/* Fallback: quando o PNG não existe, mostra o nome */
.brand--text > span { display: inline; }
.parceiras__more { font-size: 0.85rem; color: var(--color-ink-soft); margin-top: 1rem; }

/* ===== Formulários ===== */
.form {
  background: var(--color-surface);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  border-radius: var(--radius);
  border: 1px solid var(--color-line);
}
.form__title { margin-bottom: 1.5rem; }
.field { margin-bottom: 1.1rem; }
.field label {
  display: block;
  font-size: 0.82rem;
  font-weight: 500;
  margin-bottom: 0.4rem;
}
.field__opt { color: var(--color-ink-soft); font-weight: 400; }
.field input,
.field textarea {
  width: 100%;
  font-family: inherit;
  font-size: 0.95rem;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-bg);
  color: var(--color-ink);
  transition: border-color var(--ease);
}
.field input:focus,
.field textarea:focus { outline: none; border-color: var(--color-accent); }
.form .btn { width: 100%; margin-top: 0.5rem; }
.form__status { font-size: 0.88rem; margin-top: 1rem; min-height: 1.2em; }
.form__status[data-state="success"] { color: #1b7a3d; }
.form__status[data-state="error"] { color: var(--color-accent-dark); }
.form__status[data-state="pending"] { color: var(--color-ink-soft); }

/* ===== Na mídia ===== */
.section-head { max-width: 640px; margin-bottom: 3rem; }
.section-head h2 { margin-bottom: 1rem; }
.section-head__lead { color: var(--color-ink-soft); font-size: 1.05rem; }

.media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}
.media-card {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: 1.75rem;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
}
.media-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-accent);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.06);
}
.media-card__show {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
}
.media-card__title { font-family: var(--font-display); font-size: 1.2rem; line-height: 1.3; flex-grow: 1; }
.media-card__link { font-size: 0.9rem; font-weight: 500; margin-top: 0.5rem; }

.media-photo { margin-top: 2.5rem; }
.media-photo img {
  width: 100%;
  aspect-ratio: 4 / 3;        /* bate com a proporção da foto */
  object-fit: cover;
  object-position: center;    /* respeita o enquadramento da imagem */
  border-radius: var(--radius);
}

/* ===== Outras solicitações (contato rápido) ===== */
.outras {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
}
.outras__intro h2 { margin-bottom: 1rem; }
.outras__intro p { color: var(--color-ink-soft); }
.outras__action { display: flex; justify-content: flex-start; }
@media (min-width: 861px) { .outras__action { justify-content: flex-end; } }

/* ===== Newsletter (bloco off-white de contraste) ===== */
.section--newsletter { background: var(--color-ink); color: #111; }
.newsletter { max-width: 640px; text-align: center; margin-inline: auto; }
.newsletter .eyebrow { color: var(--color-accent-dark); }
.newsletter h2 { color: #111; margin-bottom: 1.25rem; }
.newsletter__text { color: #4a4a4a; font-size: 1.1rem; margin-bottom: 2rem; }
.newsletter__embed {
  max-width: 480px;
  margin: 0 auto;
}
.newsletter__embed iframe {
  width: 100%;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: #fff;
}
.newsletter__fallback { font-size: 0.85rem; color: #6b6b6b; margin-top: 1rem; }
.newsletter__fallback a { color: var(--color-accent-dark); text-decoration: underline; }

/* ============================================================
   Modais (formulários em pop-up)
   ============================================================ */
.modal {
  border: none;
  padding: 0;
  background: transparent;
  max-width: 540px;
  width: calc(100% - 2rem);
  margin: auto;
  color: var(--color-ink);
  overflow: visible;
}
.modal::backdrop {
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(3px);
}
.modal__box {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: clamp(1.75rem, 4vw, 2.5rem);
  max-height: 88vh;
  overflow-y: auto;
}
.modal__close {
  position: absolute;
  top: 0.6rem;
  right: 0.9rem;
  font-size: 1.8rem;
  line-height: 1;
  color: var(--color-ink-soft);
  transition: color var(--ease);
}
.modal__close:hover { color: var(--color-accent); }

/* Dentro do modal o form não precisa do "card" próprio */
.modal .form { background: none; border: none; padding: 0; }

/* Tela de agradecimento (ocupa o modal todo) */
.form-success {
  text-align: center;
  padding: 1.5rem 0.5rem 0.5rem;
  animation: modal-in 0.3s ease both;
}
.form-success__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: #fff;
  background: var(--color-accent);
  border-radius: 50%;
}
.form-success h3 {
  font-size: clamp(1.5rem, 4vw, 2rem);
  margin-bottom: 0.75rem;
}
.form-success p {
  color: var(--color-ink-soft);
  font-size: 1.05rem;
  max-width: 34ch;
  margin: 0 auto 1.75rem;
}
.form-success .btn { min-width: 160px; }

/* Animação de abertura */
.modal[open] { animation: modal-in 0.28s ease both; }
.modal[open]::backdrop { animation: backdrop-in 0.28s ease both; }
@keyframes modal-in {
  from { opacity: 0; transform: translateY(12px) scale(0.98); }
  to   { opacity: 1; transform: none; }
}
@keyframes backdrop-in { from { opacity: 0; } to { opacity: 1; } }

/* ============================================================
   Animações de entrada (reveal on scroll)
   ============================================================ */
@media (prefers-reduced-motion: no-preference) {
  /* Esconde para animar SOMENTE quando o JS está ativo (classe .js no <html>).
     Sem JS, ou se o JS falhar, o conteúdo permanece visível. */
  .js .reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
    will-change: opacity, transform;
  }
  .js .reveal.is-visible { opacity: 1; transform: none; }
  .reveal--delay-1 { transition-delay: 0.12s; }
  .reveal--delay-2 { transition-delay: 0.24s; }
  .reveal--delay-3 { transition-delay: 0.36s; }

  /* zoom sutil nas fotos ao entrar */
  .js .reveal.intro-photo img,
  .js .reveal.media-photo img,
  .js .hero__photo.reveal img,
  .js .sobre__aside.reveal img {
    transform: scale(1.04);
    transition: transform 0.9s cubic-bezier(0.22, 1, 0.36, 1);
  }
  .js .reveal.is-visible.intro-photo img,
  .js .reveal.is-visible.media-photo img,
  .js .hero__photo.reveal.is-visible img,
  .js .sobre__aside.reveal.is-visible img { transform: none; }
}

/* ============================================================
   Responsivo
   ============================================================ */
@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; }
  .hero__photo { max-width: none; }
  .sobre,
  .two-col,
  .outras { grid-template-columns: 1fr; }
  .intro-photo { position: static; }
}