/* =========================================================
   Ana Ferreira — Design de Interiores
   Paleta retirada diretamente do Portfólio 2026:
   fundo #E8E3DD, taupe da capa #BDAFA4, areia #9C8D74.
   ========================================================= */

:root{
  --bone:   #E8E3DD;   /* fundo da página, igual ao do portfólio */
  --linen:  #F1EEE9;   /* painéis mais claros */
  --shell:  #D8D1C7;   /* filetes e separadores */
  --clay:   #BDAFA4;   /* taupe da capa — apenas filetes e decoracao */
  --ochre:  #6B604C;   /* areia queimada — acentos de texto */
  --label:  #705F51;   /* taupe escurecido — rotulos em maiusculas */
  --ink:    #17150F;   /* texto principal */
  --smoke:  #6B6459;   /* texto secundário */

  --display: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --body:    "Jost", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;

  --margem: clamp(1.5rem, 5vw, 6rem);
  --ritmo:  clamp(6rem, 13vh, 11rem);   /* espaço vertical entre secções */
  --lento:  cubic-bezier(0.22, 1, 0.36, 1);
}

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

html{
  scroll-behavior:smooth;
  -webkit-text-size-adjust:100%;
}

body{
  margin:0;
  background:var(--bone);
  color:var(--ink);
  font-family:var(--body);
  font-weight:300;
  font-size:clamp(0.95rem, 0.9rem + 0.2vw, 1.0625rem);
  line-height:1.75;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}

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

::selection{ background:var(--clay); color:var(--ink); }

.skip{
  position:absolute; left:-999px; top:0; z-index:200;
  background:var(--ink); color:var(--bone); padding:.75rem 1.25rem;
}
.skip:focus{ left:0; }

:focus-visible{
  outline:1px solid var(--ochre);
  outline-offset:4px;
}

/* ---------- Tipografia partilhada ---------- */

.eyebrow{
  margin:0;
  font-family:var(--body);
  font-size:.6875rem;
  font-weight:400;
  letter-spacing:.26em;
  text-transform:uppercase;
  color:var(--ochre);
}

.h-display{
  margin:1.25rem 0 1.75rem;
  font-family:var(--display);
  font-weight:300;
  font-size:clamp(2.25rem, 1.2rem + 3.6vw, 4.25rem);
  line-height:1.06;
  letter-spacing:-0.015em;
}

.h-display--sm{
  font-size:clamp(1.75rem, 1.2rem + 1.6vw, 2.5rem);
  margin:1rem 0 1.25rem;
}

.prose p{
  margin:0 0 1.35em;
  color:var(--smoke);
  max-width:56ch;
}
.prose p:last-child{ margin-bottom:0; }
.prose--sm p{ font-size:.9375rem; }

.link-seta{
  display:inline-flex; align-items:center; gap:.7rem;
  margin-top:2.25rem;
  font-size:.6875rem; letter-spacing:.26em; text-transform:uppercase;
  color:var(--ink); text-decoration:none;
  padding-bottom:.5rem;
  border-bottom:1px solid var(--shell);
  transition:border-color .4s var(--lento), color .4s var(--lento);
}
.link-seta i{
  width:1.75rem; height:1px; background:var(--ink);
  transition:width .4s var(--lento);
}
.link-seta:hover{ color:var(--ochre); border-color:var(--ochre); }
.link-seta:hover i{ width:2.75rem; background:var(--ochre); }

/* ---------- Grão de papel ---------- */

.grao{
  position:fixed; inset:0; z-index:90;
  pointer-events:none; opacity:.035;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* =========================================================
   NAVEGAÇÃO
   ========================================================= */

.nav{
  position:fixed; top:0; left:0; right:0; z-index:100;
  display:flex; align-items:center; justify-content:space-between;
  padding:1.5rem var(--margem);
  color:var(--bone);
  transition:background .6s var(--lento), color .6s var(--lento),
             padding .6s var(--lento), border-color .6s var(--lento);
  border-bottom:1px solid transparent;
}

.nav.is-solid{
  background:rgba(232,227,221,.94);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  color:var(--ink);
  padding-top:1rem; padding-bottom:1rem;
  border-bottom-color:var(--shell);
}

.nav__mark{ text-decoration:none; color:inherit; line-height:1.2; }
/* Caixa alta feita em CSS e não no texto: os leitores de ecrã continuam a ler
   "Ana Ferreira" em vez de soletrarem letra a letra. Maiúsculas pedem tracking
   positivo — o negativo do original fecharia demasiado as letras. */
.nav__name{
  display:block;
  font-family:var(--display);
  font-size:1.25rem; font-weight:400;
  text-transform:uppercase; letter-spacing:.18em;
}
.nav__role{
  display:block;
  font-size:.5625rem; letter-spacing:.3em; text-transform:uppercase;
  opacity:.72; margin-top:.15rem;
}

.nav__links{ display:flex; gap:2.25rem; }
.nav__links a{
  position:relative;
  color:inherit; text-decoration:none;
  font-size:.6875rem; letter-spacing:.22em; text-transform:uppercase;
  padding-bottom:.3rem;
}
.nav__links a::after{
  content:""; position:absolute; left:0; bottom:0;
  width:0; height:1px; background:currentColor;
  transition:width .45s var(--lento);
}
.nav__links a:hover::after{ width:100%; }

.nav__toggle{
  display:none; align-items:center; gap:.65rem;
  background:none; border:0; padding:.4rem 0; cursor:pointer;
  color:inherit; font-family:var(--body);
  font-size:.6875rem; letter-spacing:.22em; text-transform:uppercase;
}
.nav__toggle-bars{ display:block; width:1.5rem; }
.nav__toggle-bars i{
  display:block; height:1px; background:currentColor;
  transition:transform .45s var(--lento), opacity .3s;
}
.nav__toggle-bars i:first-child{ margin-bottom:.35rem; }
.nav.is-open .nav__toggle-bars i:first-child{ transform:translateY(3px) rotate(45deg); }
.nav.is-open .nav__toggle-bars i:last-child{ transform:translateY(-3px) rotate(-45deg); }

.menu{
  position:fixed; inset:0; z-index:99;
  background:var(--bone);
  display:flex; flex-direction:column;
  justify-content:center; align-items:flex-start;
  padding:0 var(--margem);
  opacity:0; transition:opacity .45s var(--lento);
}
.menu[hidden]{ display:none; }
.menu.is-open{ opacity:1; }

.menu__inner{ display:flex; flex-direction:column; gap:.35rem; }
.menu__inner a{
  font-family:var(--display);
  font-size:clamp(2.25rem, 10vw, 3.25rem);
  font-weight:300; line-height:1.25;
  color:var(--ink); text-decoration:none;
}
.menu__inner a:hover{ color:var(--ochre); }
.menu__foot{
  position:absolute; bottom:2.5rem; left:var(--margem);
  margin:0; font-size:.6875rem; letter-spacing:.26em;
  text-transform:uppercase; color:var(--label);
}

/* =========================================================
   HERO
   ========================================================= */

.hero{
  position:relative;
  height:100svh; min-height:34rem;
  display:flex; flex-direction:column;
  justify-content:flex-end;
  padding:0 var(--margem) clamp(3rem, 8vh, 6rem);
  overflow:hidden;
}

.hero__stage{ position:absolute; inset:0; background:var(--clay); }

.hero__frame{
  position:absolute; inset:0;
  background-size:cover; background-position:center;
  opacity:0;
  transform:scale(1.05);
  transition:opacity 2.6s ease-in-out, transform 9s linear;
}
.hero__frame.is-on{ opacity:1; transform:scale(1); }

.hero__veil{
  position:absolute; inset:0;
  background:linear-gradient(to top,
    rgba(23,21,15,.66) 0%,
    rgba(23,21,15,.30) 42%,
    rgba(23,21,15,.10) 72%,
    rgba(23,21,15,.28) 100%);
}

.hero__body{ position:relative; max-width:min(62rem, 100%); }

.hero__eyebrow{ color:rgba(232,227,221,.8); }

.hero__title{
  margin:1.5rem 0 0;
  font-family:var(--display);
  font-weight:300;
  font-size:clamp(2rem, 1rem + 5.6vw, 7rem);
  line-height:1;
  text-transform:uppercase;
  letter-spacing:.1em;
  color:#fff;
}

.hero__rule{
  width:0; height:1px; margin:2rem 0 1.5rem;
  background:rgba(255,255,255,.55);
  animation:tracar 1.8s var(--lento) .7s forwards;
}
@keyframes tracar{ to{ width:min(22rem, 60%); } }

.hero__line{
  margin:0;
  font-family:var(--display);
  font-style:italic;
  font-size:clamp(1.125rem, 1rem + .7vw, 1.625rem);
  line-height:1.5;
  color:rgba(255,255,255,.9);
  max-width:34ch;
}

.hero__scroll{
  position:absolute; right:var(--margem); bottom:clamp(3rem, 8vh, 6rem);
  display:flex; flex-direction:column; align-items:center; gap:.9rem;
  color:rgba(255,255,255,.82); text-decoration:none;
  font-size:.625rem; letter-spacing:.28em; text-transform:uppercase;
  writing-mode:vertical-rl;
}
.hero__scroll i{
  display:block; width:1px; height:3.5rem;
  background:linear-gradient(to bottom, rgba(255,255,255,.7), transparent);
  animation:respirar 2.8s ease-in-out infinite;
}
@keyframes respirar{
  0%,100%{ transform:scaleY(.55); transform-origin:top; opacity:.5; }
  50%    { transform:scaleY(1);   transform-origin:top; opacity:1; }
}

/* =========================================================
   MANIFESTO
   ========================================================= */

.manifesto{
  padding:var(--ritmo) var(--margem);
  text-align:center;
}
.manifesto__text{
  max-width:30ch;
  margin:2rem auto 0;
  font-family:var(--display);
  font-weight:300;
  font-size:clamp(1.6rem, 1rem + 2.4vw, 3.25rem);
  line-height:1.28;
  letter-spacing:-0.01em;
}
.manifesto__text em{ font-style:italic; color:var(--ochre); }

/* =========================================================
   SOBRE
   ========================================================= */

.sobre{
  display:grid;
  grid-template-columns:minmax(0, 0.85fr) minmax(0, 1fr);
  gap:clamp(2.5rem, 6vw, 6rem);
  align-items:center;
  padding:0 var(--margem) var(--ritmo);
}

.sobre__retrato{ margin:0; }
.sobre__retrato img{
  width:100%; aspect-ratio:3/4; object-fit:cover; object-position:50% 35%;
}

.sobre__texto{ padding-block:1rem; }

/* =========================================================
   VISÃO E MISSÃO
   ========================================================= */

.pilares{
  background:var(--linen);
  border-top:1px solid var(--shell);
  border-bottom:1px solid var(--shell);
  padding:var(--ritmo) var(--margem);
}
.pilares__grid{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(min(100%, 20rem), 1fr));
  gap:clamp(3rem, 7vw, 7rem);
  max-width:82rem; margin:0 auto;
}
.pilar{ position:relative; padding-top:2rem; }
.pilar::before{
  content:""; position:absolute; top:0; left:0;
  width:3rem; height:1px; background:var(--clay);
}

/* =========================================================
   PROJETOS
   ========================================================= */

.projetos{ padding:var(--ritmo) 0 0; }

.projetos__cabecalho{
  padding:0 var(--margem);
  max-width:82rem; margin:0 auto clamp(3.5rem, 8vh, 6rem);
}
.projetos__intro{
  margin:0; color:var(--smoke); max-width:40ch;
  font-size:.9375rem;
}

.projeto{
  display:grid;
  grid-template-columns:minmax(14rem, 20rem) minmax(0, 1fr);
  gap:clamp(2.5rem, 6vw, 6rem);
  padding:0 var(--margem) clamp(5rem, 11vh, 9rem);
  max-width:96rem; margin:0 auto;
}

.projeto__rail-inner{
  position:sticky; top:8rem;
  padding-top:1.75rem;
  border-top:1px solid var(--shell);
}

.projeto__titulo{
  margin:1.25rem 0 .5rem;
  font-family:var(--display);
  font-weight:300;
  font-size:clamp(1.75rem, 1.2rem + 1.5vw, 2.5rem);
  line-height:1.08;
  letter-spacing:-0.01em;
}

.projeto__linguagem{
  margin:0 0 1.5rem;
  font-family:var(--display);
  font-style:italic;
  font-size:1.125rem;
  color:var(--ochre);
}

.projeto__nota{
  margin:0 0 2.25rem;
  font-size:.875rem;
  color:var(--smoke);
  max-width:34ch;
}

.ficha{ margin:0; }
.ficha > div{
  display:flex; justify-content:space-between; gap:1rem;
  padding:.7rem 0;
  border-top:1px solid var(--shell);
}
.ficha dt{
  font-size:.625rem; letter-spacing:.24em; text-transform:uppercase;
  color:var(--label);
}
.ficha dd{
  margin:0;
  font-size:.75rem; letter-spacing:.06em;
  text-align:right;
  color:var(--ink);
}

.projeto__grelha{
  display:grid;
  grid-template-columns:repeat(2, minmax(0, 1fr));
  gap:clamp(.75rem, 1.6vw, 1.5rem);
}
.fig{ margin:0; overflow:hidden; background:var(--shell); }
.fig--larga{ grid-column:1 / -1; }

.fig img{
  width:100%; height:100%; object-fit:cover;
  aspect-ratio:3/2;
  cursor:zoom-in;
  transition:transform 1.1s var(--lento), filter .8s var(--lento);
}
.fig--larga img{ aspect-ratio:16/9; }

/* =========================================================
   PROCESSO
   ========================================================= */

.processo{
  background:var(--linen);
  border-top:1px solid var(--shell);
  border-bottom:1px solid var(--shell);
  display:grid;
  grid-template-columns:minmax(0, .9fr) minmax(0, 1.1fr);
  gap:clamp(2.5rem, 6vw, 6rem);
  align-items:center;
  padding:var(--ritmo) var(--margem);
}
.processo__plantas{
  display:grid;
  grid-template-columns:minmax(0, .78fr) minmax(0, 1fr);
  gap:clamp(.75rem, 1.6vw, 1.5rem);
  align-items:start;
}
.processo__coluna{
  display:grid; gap:clamp(.75rem, 1.6vw, 1.5rem);
}
.processo .fig{ background:transparent; }
.processo .fig img{ aspect-ratio:auto; }

/* =========================================================
   CONTACTO
   ========================================================= */

.contacto{ padding:var(--ritmo) var(--margem); }
.contacto__grid{
  display:grid;
  grid-template-columns:minmax(0, 1fr) minmax(0, .9fr);
  gap:clamp(3rem, 7vw, 7rem);
  max-width:82rem; margin:0 auto;
}
.contacto__intro{
  margin:0 0 3rem; color:var(--smoke); max-width:38ch;
}

.contacto__lista{ margin:0; }
.contacto__lista > div{
  display:grid;
  grid-template-columns:7rem 1fr;
  gap:1.5rem;
  padding:1.1rem 0;
  border-top:1px solid var(--shell);
}
.contacto__lista dt{
  font-size:.625rem; letter-spacing:.24em; text-transform:uppercase;
  color:var(--label); padding-top:.35rem;
}
.contacto__lista dd{ margin:0; font-size:.9375rem; }
.contacto__lista a{
  color:var(--ink); text-decoration:none;
  border-bottom:1px solid var(--shell);
  padding-bottom:2px;
  transition:border-color .4s var(--lento), color .4s var(--lento);
}
.contacto__lista a:hover{ color:var(--ochre); border-color:var(--ochre); }

.form{ display:grid; gap:1.5rem; align-content:start; }
.campo{ display:grid; gap:.5rem; }
.campo label{
  font-size:.625rem; letter-spacing:.24em; text-transform:uppercase;
  color:var(--label);
}
.campo input,
.campo select,
.campo textarea{
  width:100%;
  background:transparent;
  border:0; border-bottom:1px solid var(--shell);
  padding:.6rem 0;
  font-family:var(--body); font-size:1rem; font-weight:300;
  color:var(--ink);
  border-radius:0;
  transition:border-color .4s var(--lento);
}
.campo select{ appearance:none; cursor:pointer; }
.campo textarea{ resize:vertical; }
.campo input:focus,
.campo select:focus,
.campo textarea:focus{
  outline:none; border-bottom-color:var(--ochre);
}
.campo input:invalid:not(:placeholder-shown){ border-bottom-color:var(--clay); }

.botao{
  justify-self:start;
  margin-top:.75rem;
  padding:1.05rem 2.75rem;
  background:var(--ink); color:var(--bone);
  border:1px solid var(--ink);
  font-family:var(--body);
  font-size:.6875rem; letter-spacing:.26em; text-transform:uppercase;
  cursor:pointer;
  transition:background .5s var(--lento), color .5s var(--lento);
}
.botao:hover{ background:transparent; color:var(--ink); }

.form__aviso{
  margin:0; min-height:1.2rem;
  font-size:.8125rem; color:var(--ochre);
}

/* =========================================================
   PARCERIA SINTEFS
   Faixa discreta: vive entre o contacto e o rodapé, legível
   para quem a procura, sem competir com os projetos.
   ========================================================= */

.parceria{
  background:var(--linen);
  border-top:1px solid var(--shell);
  padding:clamp(3rem, 8vh, 5rem) var(--margem);
}
.parceria__grid{
  display:grid;
  grid-template-columns:minmax(0, 12rem) minmax(0, 1fr);
  gap:clamp(2rem, 5vw, 4.5rem);
  align-items:center;
  max-width:62rem; margin:0 auto;
}
.parceria__logo{ margin:0; }
.parceria__logo img{ width:100%; height:auto; }

.parceria__titulo{
  margin:.9rem 0 1rem;
  font-family:var(--display);
  font-weight:300;
  font-size:clamp(1.375rem, 1.1rem + .9vw, 1.875rem);
  line-height:1.2;
}
.parceria__intro{
  margin:0 0 1.5rem;
  font-size:.9375rem; color:var(--smoke); max-width:48ch;
}

.parceria__lista{ margin:0 0 1.5rem; padding:0; list-style:none; }
.parceria__lista li{
  display:flex; align-items:baseline; gap:1.1rem;
  padding:.65rem 0;
  border-top:1px solid var(--shell);
  font-size:.9375rem;
}
.parceria__valor{
  flex:0 0 3.25rem;
  font-family:var(--display);
  font-size:1.375rem;
  color:var(--ochre);
}

.parceria__nota{
  margin:0;
  font-size:.75rem; letter-spacing:.04em;
  color:var(--label);
}

@media (max-width: 620px){
  .parceria__grid{ grid-template-columns:1fr; }
  .parceria__logo{ max-width:11rem; }
}

/* =========================================================
   RODAPÉ
   ========================================================= */

.rodape{
  background:var(--ink); color:var(--bone);
  padding:clamp(4rem, 10vh, 7rem) var(--margem) 2.5rem;
  text-align:center;
}
.rodape__citacao{
  max-width:34ch; margin:0 auto clamp(4rem, 10vh, 6rem);
  font-family:var(--display); font-style:italic; font-weight:300;
  font-size:clamp(1.25rem, 1rem + 1.4vw, 2rem);
  line-height:1.45;
  color:rgba(232,227,221,.9);
}
.rodape__base{
  display:flex; flex-wrap:wrap; justify-content:space-between; gap:1rem;
  padding-top:2rem;
  border-top:1px solid rgba(232,227,221,.18);
  font-size:.625rem; letter-spacing:.24em; text-transform:uppercase;
  color:rgba(232,227,221,.68);
}
.rodape__base p{ margin:0; }

/* =========================================================
   VISOR DE IMAGEM
   ========================================================= */

.visor{
  position:fixed; inset:0; z-index:150;
  display:flex; align-items:center; justify-content:center;
  gap:1rem; padding:clamp(1rem, 4vw, 3rem);
  background:rgba(20,18,14,.96);
  opacity:0; transition:opacity .4s var(--lento);
}
.visor[hidden]{ display:none; }
.visor.is-open{ opacity:1; }

.visor__palco{
  margin:0; max-width:min(92vw, 82rem); max-height:86vh;
  display:flex; flex-direction:column; gap:1rem; align-items:center;
}
.visor__palco img{
  max-width:100%; max-height:78vh; object-fit:contain;
}
.visor__palco figcaption{
  font-size:.625rem; letter-spacing:.24em; text-transform:uppercase;
  color:rgba(232,227,221,.68); text-align:center;
}

.visor__fechar{
  position:absolute; top:clamp(1rem, 3vw, 2rem); right:clamp(1rem, 4vw, 3rem);
  background:none; border:0; cursor:pointer;
  color:rgba(232,227,221,.75); font-family:var(--body);
  font-size:.625rem; letter-spacing:.26em; text-transform:uppercase;
}
.visor__fechar:hover{ color:#fff; }

.visor__nav{
  flex:0 0 auto;
  width:3rem; height:3rem;
  background:none; border:0; cursor:pointer; position:relative;
}
.visor__nav::before{
  content:""; position:absolute; top:50%; left:50%;
  width:.7rem; height:.7rem;
  border-top:1px solid rgba(232,227,221,.7);
  border-left:1px solid rgba(232,227,221,.7);
  transition:border-color .3s;
}
.visor__nav--ant::before{ transform:translate(-30%,-50%) rotate(-45deg); }
.visor__nav--seg::before{ transform:translate(-70%,-50%) rotate(135deg); }
.visor__nav:hover::before{ border-color:#fff; }

/* =========================================================
   REVELAÇÃO AO SCROLL
   ========================================================= */

.reveal{
  opacity:0; transform:translateY(1rem);
  transition:opacity 1s var(--lento), transform 1s var(--lento);
}
.reveal.is-in{ opacity:1; transform:none; }

/* O clip-path vive na imagem, nunca na figura. Aplicado à figura, reduzia a
   área de intersecção a zero e o observador de scroll deixava de a detetar —
   as imagens nunca se revelavam nem chegavam a carregar. */
.reveal-img img{
  clip-path:inset(0 0 100% 0);
  transform:scale(1.07);
  transition:clip-path 1.25s var(--lento), transform 1.25s var(--lento);
}
.reveal-img.is-in img{
  clip-path:inset(0 0 0 0);
  transform:scale(1);
}
.reveal-img.is-in img:hover{ transform:scale(1.035); }

/* =========================================================
   RESPONSIVO
   ========================================================= */

@media (max-width: 900px){
  .nav__links{ display:none; }
  .nav__toggle{ display:flex; }

  .sobre{ grid-template-columns:1fr; }
  .sobre__retrato img{ aspect-ratio:4/5; }

  .projeto{ grid-template-columns:1fr; }
  .projeto__rail-inner{ position:static; }
  .projeto__nota{ max-width:none; }

  .processo{ grid-template-columns:1fr; }
  .contacto__grid{ grid-template-columns:1fr; }
}

@media (max-width: 620px){
  .projeto__grelha{ grid-template-columns:1fr; }
  .fig--larga{ grid-column:auto; }
  .fig img,
  .fig--larga img{ aspect-ratio:4/3; }

  .processo__plantas{ grid-template-columns:1fr; }

  .contacto__lista > div{ grid-template-columns:1fr; gap:.35rem; }
  .contacto__lista dt{ padding-top:0; }

  .hero__scroll{ display:none; }
  .rodape__base{ justify-content:center; text-align:center; }
}

/* =========================================================
   MOVIMENTO REDUZIDO
   ========================================================= */

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .reveal{ opacity:1; transform:none; }
  .reveal-img img{ clip-path:none; transform:none; }
  .hero__rule{ width:min(22rem, 60%); }
  .hero__frame{ transform:none; }
}