/* ================================================================
   SCRIPTORIUM — ESTILO PRINCIPAL
   ================================================================ */

/* ── Variáveis de marca ────────────────────────────────────────── */
:root {
  --navbar-h: 70px;          /* altura fixa da navbar — usada em todo o lado */

  --color-bg:           #F9F8F5;
  --color-surface:      #F2F0EC;
  --color-text:         #2C302E;
  --color-text-muted:   #7A7C79;
  --color-text-light:   #AEADA9;
  --color-accent:       #8B7355;
  --color-border:       #E2DED7;
  --color-border-light: #EDEAE4;

  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans:  'Inter', 'Helvetica Neue', Arial, sans-serif;

  --fw-thin:    200;
  --fw-light:   300;
  --fw-regular: 400;
  --fw-medium:  500;

  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --dur:  0.35s;
}

/* ── Reset mínimo ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
a   { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.btn { all: unset; }

/* ── Base ──────────────────────────────────────────────────────── */
html {
  font-size: 16px;
  scroll-behavior: smooth;
  /*
    scroll-padding-top: Bootstrap ScrollSpy + scroll nativo
    compensam a navbar fixa ao saltar para âncoras
  */
  scroll-padding-top: var(--navbar-h);
}

body {
  font-family: var(--font-sans);
  font-weight: var(--fw-light);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  /*
    Bootstrap: padding-top obrigatório quando navbar é fixed-top.
    Evita que o conteúdo fique por baixo da navbar.
  */
  padding-top: var(--navbar-h);
}


/* ── Animações fade-up (Intersection Observer) ─────────────────── */
.fade-up {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .65s var(--ease), transform .65s var(--ease);
}
.fade-up.visible { opacity: 1; transform: none; }

.fade-up:nth-child(2) { transition-delay: .10s; }
.fade-up:nth-child(3) { transition-delay: .20s; }
.fade-up:nth-child(4) { transition-delay: .30s; }
.fade-up:nth-child(5) { transition-delay: .40s; }

/* ── Tipografia ────────────────────────────────────────────────── */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: var(--fw-regular);
  line-height: 1.15;
}

.section-label {
  display: block;
  font-size: .6875rem;
  font-weight: var(--fw-medium);
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1.25rem;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: var(--fw-regular);
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.body-text {
  font-size: 1rem;
  font-weight: var(--fw-light);
  line-height: 1.9;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.body-text-sm {
  font-size: .8125rem;
  font-weight: var(--fw-light);
  line-height: 1.8;
  color: var(--color-text-muted);
}

/* ── Botão ghost ───────────────────────────────────────────────── */
.btn-ghost {
  display: inline-block;
  font-size: .6875rem;
  font-weight: var(--fw-medium);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--color-text);
  border: .5px solid var(--color-text);
  padding: .9rem 2.5rem;
  background: transparent;
  position: relative;
  overflow: hidden;
  transition: color var(--dur) var(--ease);
  isolation: isolate;
}
.btn-ghost::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--color-text);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur) var(--ease);
  z-index: -1;
}
.btn-ghost:hover              { color: var(--color-bg); }
.btn-ghost:hover::before      { transform: scaleX(1); }

/* ── Navbar ────────────────────────────────────────────────────── */
#mainNav {
  height: var(--navbar-h);
  background: transparent;
  transition: background var(--dur) var(--ease),
              box-shadow  var(--dur) var(--ease);
}

#mainNav.is-scrolled {
  background: rgba(249, 248, 245, 0.97);
  box-shadow: 0 1px 0 var(--color-border-light);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.brand-serif {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: var(--fw-regular);
  color: var(--color-text);
  letter-spacing: .04em;
}

.navbar-nav .nav-link {
  font-size: .6875rem;
  font-weight: var(--fw-medium);
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--color-text) !important;
  padding: .25rem 1.25rem !important;
  position: relative;
}

.navbar-nav .nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 1.25rem;
  right: 1.25rem;
  height: .5px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur) var(--ease);
}

/* Bootstrap ScrollSpy adiciona .active automaticamente */
.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after {
  transform: scaleX(1);
}

/* Toggler */
.navbar-toggler {
  border: none !important;
  box-shadow: none !important;
  background: transparent;
  padding: .25rem;
}
.toggler-lines { display: flex; flex-direction: column; gap: 5px; width: 22px; }
.toggler-lines span {
  display: block; width: 100%; height: .5px;
  background: var(--color-text);
  transition: all var(--dur) var(--ease);
}
.navbar-toggler[aria-expanded="true"] .toggler-lines span:first-child {
  transform: translateY(5.5px) rotate(45deg);
}
.navbar-toggler[aria-expanded="true"] .toggler-lines span:last-child {
  transform: translateY(-5.5px) rotate(-45deg);
}

@media (max-width: 991px) {
  .navbar-collapse {
    background: var(--color-bg);
    padding: 1rem 1.25rem 1.25rem;
    border-top: .5px solid var(--color-border-light);
    margin-top: .5rem;
    /* compensar padding do .container para cobrir a largura toda */
    margin-left: -0.75rem;
    margin-right: -0.75rem;
  }
  .navbar-nav .nav-link          { padding: .5rem 0 !important; }
  .navbar-nav .nav-link::after   { left: 0; right: auto; }
}

@media (max-width: 991px) {
  /* menu mobile sobre hero escuro: frosted glass claro para contrastar com o hero */
  .has-dark-hero #mainNav:not(.is-scrolled) .navbar-collapse {
    background: rgba(249, 248, 245, 0.97);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-top-color: var(--color-border-light);
  }
  /* links de volta a escuro quando o menu abre sobre hero escuro */
  .has-dark-hero #mainNav:not(.is-scrolled):has(.navbar-collapse.show) .navbar-nav .nav-link {
    color: var(--color-text) !important;
  }
}

/* ── Hero ──────────────────────────────────────────────────────── */
/*
  Com padding-top no body, o hero começa imediatamente abaixo da navbar.
  min-height: calc(100vh - var(--navbar-h)) preenche o restante do viewport.
*/
.hero-section {
  min-height: calc(100vh - var(--navbar-h));
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 2rem 0 3rem;
  position: relative;
  background-color: #28231E;
}

.hero-eyebrow {
  display: block;
  font-size: .6875rem;
  font-weight: var(--fw-medium);
  letter-spacing: .25em;
  text-transform: uppercase;
  color: rgba(249,248,245,.5);
  margin-bottom: 2rem;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: var(--fw-light);
  line-height: 1.07;
  letter-spacing: -.01em;
  margin-bottom: 2rem;
  color: #F9F8F5;
}
.hero-title em { font-style: italic; color: var(--color-accent); }

.hero-subtitle {
  font-size: 1rem;
  font-weight: var(--fw-light);
  line-height: 1.85;
  color: rgba(249,248,245,.6);
  max-width: 500px;
  margin: 0 auto 3rem;
}

/* btn-ghost sobre fundo escuro do hero */
.hero-section .btn-ghost {
  color: rgba(249,248,245,.9);
  border-color: rgba(249,248,245,.35);
}
.hero-section .btn-ghost::before { background: rgba(249,248,245,.9); }
.hero-section .btn-ghost:hover   { color: #28231E; }

.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .5rem;
}
.hero-scroll-label {
  font-size: .625rem;
  font-weight: var(--fw-medium);
  letter-spacing: .2em;
  text-transform: uppercase;
  color: rgba(249,248,245,.35);
}
.hero-scroll-line {
  width: .5px;
  height: 48px;
  background: linear-gradient(to bottom, rgba(249,248,245,.3), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse { 0%, 100% { opacity: .4; } 50% { opacity: 1; } }

/* navbar sobre hero escuro — só quando não está scrolled */
.has-dark-hero #mainNav:not(.is-scrolled) {
  background: #28231E;
}
.has-dark-hero #mainNav:not(.is-scrolled) .brand-serif {
  color: #F9F8F5;
}
.has-dark-hero #mainNav:not(.is-scrolled) .navbar-nav .nav-link {
  color: rgba(249,248,245,.75) !important;
}
.has-dark-hero #mainNav:not(.is-scrolled) .toggler-lines span {
  background: #F9F8F5;
}

/* ── Secções de conteúdo ───────────────────────────────────────── */
.section-sobre      { padding: 6rem 0 7rem; }
.section-cursos     { padding: 6rem 0 7rem; background: var(--color-surface); }
.section-processo   { padding: 6rem 0 7rem; }
.section-testemunhos{ padding: 6rem 0 7rem; background: var(--color-surface); }
.section-contacto   { padding: calc(6rem + 10px) 0 calc(7rem + 10px); }

/* Sobre — divisor e stats */
.sobre-divider { width: 36px; height: .5px; background: var(--color-accent); margin: 2rem 0; }
.stat-number {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: var(--fw-light);
  line-height: 1;
  margin-bottom: .3rem;
}
.stat-label {
  font-size: .6875rem;
  font-weight: var(--fw-light);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin: 0;
}

/* ── Cursos — cards ────────────────────────────────────────────── */
.curso-card {
  height: 100%;
  border: .5px solid var(--color-border);
  background: var(--color-bg);
  transition: border-color var(--dur) var(--ease),
              transform    var(--dur) var(--ease),
              box-shadow   var(--dur) var(--ease);
}
.curso-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(44, 48, 46, .06);
}
.curso-card-inner {
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  height: 100%;
}
.curso-icon { color: var(--color-accent); margin-bottom: 1.5rem; }
.curso-icon svg { width: 22px; height: 22px; stroke-width: 1.2; }
.curso-categoria {
  display: block;
  font-size: .6875rem;
  font-weight: var(--fw-medium);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--color-text-light);
  margin-bottom: .75rem;
}
.curso-titulo {
  font-family: var(--font-serif);
  font-size: 1.375rem;
  font-weight: var(--fw-regular);
  line-height: 1.25;
  margin-bottom: .875rem;
}
.curso-descricao {
  font-size: .8125rem;
  font-weight: var(--fw-light);
  line-height: 1.8;
  color: var(--color-text-muted);
  flex-grow: 1;
  margin-bottom: 1.5rem;
}
.curso-meta {
  font-size: .6875rem;
  font-weight: var(--fw-light);
  color: var(--color-text-light);
  letter-spacing: .06em;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: .5rem;
}
.curso-link {
  font-size: .6875rem;
  font-weight: var(--fw-medium);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  transition: gap .2s var(--ease);
}
.curso-link svg { width: 14px; height: 14px; stroke-width: 1.5; transition: transform .2s var(--ease); }
.curso-link:hover { gap: .875rem; color: var(--color-accent); }
.curso-link:hover svg { transform: translateX(3px); }

/* ── Processo ──────────────────────────────────────────────────── */
.step-number {
  display: block;
  font-family: var(--font-serif);
  font-size: 3.5rem;
  font-weight: var(--fw-thin);
  color: var(--color-border);
  line-height: 1;
  margin-bottom: 1rem;
  letter-spacing: -.03em;
}
.step-title {
  font-family: var(--font-serif);
  font-size: 1.375rem;
  font-weight: var(--fw-regular);
  margin-bottom: .75rem;
}
.step-text {
  font-size: .8125rem;
  font-weight: var(--fw-light);
  line-height: 1.8;
  color: var(--color-text-muted);
  margin: 0;
}

/* ── Testemunhos ───────────────────────────────────────────────── */
.testemunho-card {
  margin: 0;
  padding-top: 2rem;
  border-top: .5px solid var(--color-border);
  background: transparent;
}
.testemunho-texto {
  font-family: var(--font-serif);
  font-size: 1.375rem;
  font-weight: var(--fw-light);
  font-style: italic;
  line-height: 1.7;
  color: var(--color-text);
  margin-bottom: 2rem;
}
.autor-nome  { display: block; font-size: .8125rem; font-weight: var(--fw-medium); color: var(--color-text); }
.autor-curso { display: block; font-size: .6875rem; font-weight: var(--fw-light);  color: var(--color-text-muted); margin-top: .2rem; }

/* ── Contacto — form ───────────────────────────────────────────── */
.contacto-info p {
  font-size: .8125rem;
  font-weight: var(--fw-light);
  color: var(--color-text-muted);
  margin-bottom: .875rem;
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  line-height: 1.6;
}
.contacto-info svg { width: 15px; height: 15px; color: var(--color-accent); flex-shrink: 0; stroke-width: 1.5; margin-top: 2px; }

.form-label-custom {
  display: block;
  font-size: .6875rem;
  font-weight: var(--fw-medium);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: .6rem;
}
.form-input-custom {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: .5px solid var(--color-border);
  padding: .75rem 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: var(--fw-light);
  color: var(--color-text);
  outline: none;
  transition: border-color var(--dur) var(--ease);
  appearance: none;
  -webkit-appearance: none;
  border-radius: 0;
  resize: none;
}
.form-input-custom::placeholder { color: var(--color-text-light); font-weight: var(--fw-thin); }
.form-input-custom:focus         { border-bottom-color: var(--color-accent); }
select.form-input-custom {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23AEADA9' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right .25rem center;
  padding-right: 1.5rem;
}

/* ── Footer ────────────────────────────────────────────────────── */
.site-footer { padding: 3rem 0; border-top: .5px solid var(--color-border); }
.footer-brand { display: block; font-family: var(--font-serif); font-size: 1.375rem; font-weight: var(--fw-regular); color: var(--color-text); margin-bottom: .5rem; }
.footer-morada { font-size: .6875rem; font-weight: var(--fw-light); color: var(--color-text-muted); line-height: 1.85; margin: 0; }
.footer-nav { display: flex; gap: 2rem; justify-content: center; flex-wrap: wrap; }
.footer-nav a { font-size: .6875rem; font-weight: var(--fw-medium); letter-spacing: .1em; text-transform: uppercase; color: var(--color-text-muted); transition: color .2s; }
.footer-nav a:hover { color: var(--color-text); }
.footer-legal { display: flex; gap: 1.5rem; justify-content: flex-end; flex-wrap: wrap; margin-bottom: .5rem; }
.footer-legal a { font-size: .6875rem; font-weight: var(--fw-light); color: var(--color-text-light); transition: color .2s; }
.footer-legal a:hover { color: var(--color-text-muted); }
.footer-copy { font-size: .6875rem; font-weight: var(--fw-light); color: var(--color-text-light); margin: 0; }

/* ── Redes sociais ─────────────────────────────────────────────── */
.footer-social {
  display: flex;
  gap: 1.25rem;
  margin-top: 1.25rem;
}
.footer-social a {
  display: flex;
  align-items: center;
  color: var(--color-text-light);
  transition: color .2s var(--ease), transform .2s var(--ease);
}
.footer-social a:hover { color: var(--color-accent); transform: translateY(-2px); }
.footer-social svg { width: 16px; height: 16px; stroke-width: 1.5; }

/* ── Scroll-to-top ─────────────────────────────────────────────── */
.btn-scroll-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 1030;
  width: 44px;
  height: 44px;
  border-radius: 0;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity var(--dur) var(--ease),
              visibility var(--dur) var(--ease),
              transform var(--dur) var(--ease),
              background var(--dur) var(--ease),
              color var(--dur) var(--ease),
              border-color var(--dur) var(--ease);
}
.btn-scroll-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.btn-scroll-top:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}
.btn-scroll-top svg { width: 18px; height: 18px; stroke-width: 1.5; }

/* ── Mobile ────────────────────────────────────────────────────── */
@media (max-width: 767px) {
  /* Hero: altura automática — sem min-height forçado */
  .hero-section {
    min-height: 0;
    padding: 2.5rem 0 3rem;
  }
  .hero-scroll        { display: none; }
  .hero-title         { font-size: clamp(2.25rem, 10vw, 3.5rem); }
  .hero-subtitle      { font-size: .875rem; }

  /* Secções: padding reduzido em mobile */
  .section-sobre,
  .section-cursos,
  .section-processo,
  .section-testemunhos,
  .section-contacto   { padding: 3.5rem 0 4rem; }

  .footer-nav         { justify-content: flex-start; gap: 1.25rem; }
  .footer-legal       { justify-content: flex-start; gap: 1rem; }
  .footer-copy        { text-align: left; }
}