/* ============================================================
   Porto Metabolic Health — HOMEPAGE V3
   ------------------------------------------------------------
   Folha de estilos EXCLUSIVA da homepage (index.html).
   Todas as regras estao prefixadas com .hv3 (classe no <body>),
   por isso NAO afectam styles.css nem as restantes paginas.

   Cada seccao vive no seu proprio bloco, com o seu proprio
   prefixo de classe. Alterar uma seccao nunca mexe nas outras:

     .hv3-header    -> 1. HEADER
     .hv3-hero      -> 2. HERO            (imagem: img1.png)
     .hv3-cols      -> 3. TRES COLUNAS
     .hv3-aval      -> 4. AVALIACAO INICIAL (imagem: img2.png)
     .hv3-quote     -> 5. FAIXA ESCURA
     .hv3-footer    -> 6. FOOTER

   As duas fotografias sao sempre lidas de:
     /frontend/img/homepagev3/img1.png
     /frontend/img/homepagev3/img2.png
   Substituir o ficheiro na pasta troca a foto na pagina.
   ============================================================ */

/* ============================================================
   0. TOKENS
   ============================================================ */
.hv3 {
  --hv3-bg:          #F0ECE7;  /* fundo principal              */
  --hv3-bg-footer:   #EDE8E3;  /* fundo do footer              */
  --hv3-navy:        #07131F;  /* seccoes escuras              */
  --hv3-ink:         #14181C;  /* titulos / texto forte        */
  --hv3-ink-soft:    #4C5157;  /* corpo de texto               */
  --hv3-on-dark:     #F0ECE7;  /* texto sobre escuro           */
  --hv3-on-dark-soft:#C3C8CE;  /* corpo sobre escuro           */
  --hv3-sand:        #D9A574;  /* preenchimento dos botoes     */
  --hv3-gold:        #C0884C;  /* eyebrows, numeros, setas     */
  --hv3-gold-warm:   #DFA76F;  /* acentos sobre fundo escuro   */
  --hv3-rule:        rgba(7, 19, 31, 0.10);
  --hv3-rule-dark:   rgba(240, 236, 231, 0.14);

  --hv3-serif:       'Cormorant Garamond', Georgia, serif;
  --hv3-sans:        'Inter', -apple-system, sans-serif;

  --hv3-max:         1480px;   /* largura editorial            */
  --hv3-pad:         64px;     /* respiracao lateral           */

  background: var(--hv3-bg);
  color: var(--hv3-ink);
  font-family: var(--hv3-sans);
  font-size: 17px;
  line-height: 1.7;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}

.hv3-wrap {
  max-width: var(--hv3-max);
  margin: 0 auto;
  padding: 0 var(--hv3-pad);
}

/* elementos partilhados ------------------------------------ */
.hv3-eyebrow {
  display: block;
  font-family: var(--hv3-sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.20em;
  text-transform: uppercase;
  color: var(--hv3-gold);
  line-height: 1.4;
}

.hv3-btn {
  display: inline-block;
  background: var(--hv3-sand);
  color: #1E1408;
  font-family: var(--hv3-sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 17px 32px;
  border: 0;
  border-radius: 0;
  transition: background 0.2s ease;
}
.hv3-btn:hover { background: #E3B183; }

/* ============================================================
   1. HEADER  (transparente, sobreposto ao hero)
   ============================================================ */
.hv3-header {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  height: 96px;
  display: flex;
  align-items: center;
  gap: 32px;
  max-width: var(--hv3-max);
  margin: 0 auto;
  padding: 0 var(--hv3-pad);
}

/* logo: monograma + wordmark em 3 linhas */
.hv3-logo {
  display: flex;
  align-items: center;
  gap: 18px;
  text-decoration: none;
  flex-shrink: 0;
}
.hv3-logo-mark {
  font-family: var(--hv3-serif);
  font-weight: 500;
  font-size: 46px;
  line-height: 1;
  letter-spacing: -0.10em;
  color: var(--hv3-gold);
}
.hv3-logo-word {
  font-family: var(--hv3-sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.22em;
  line-height: 1.75;
  text-transform: uppercase;
  color: #FFFFFF;
  white-space: nowrap;
}

.hv3-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 42px;
}
/* NOTA: o :not(.hv3-nav-cta) e obrigatorio. Sem ele, este selector
   (0,1,1) vence o .hv3-nav-cta (0,1,0) e o "border-bottom: transparent"
   apaga o rebordo inferior do botao do CTA. */
.hv3-nav a:not(.hv3-nav-cta) {
  font-family: var(--hv3-sans);
  font-size: 14px;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.88);
  text-decoration: none;
  padding-bottom: 3px;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
  white-space: nowrap;
}
.hv3-nav a:not(.hv3-nav-cta):hover,
.hv3-nav a:not(.hv3-nav-cta)[aria-current="page"] {
  color: #FFFFFF;
  border-bottom-color: rgba(255, 255, 255, 0.35);
}

/* CTA do header: rectangulo de contorno fino, dourado, nos 4 lados */
.hv3-nav a.hv3-nav-cta {
  font-family: var(--hv3-sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--hv3-gold-warm);
  text-decoration: none;
  border: 1px solid var(--hv3-gold);
  padding: 0 30px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
.hv3-nav a.hv3-nav-cta:hover,
.hv3-nav a.hv3-nav-cta:focus-visible {
  background: var(--hv3-sand);
  border-color: var(--hv3-sand);
  color: #1E1408;
}
.hv3-nav a.hv3-nav-cta:focus-visible {
  outline: 1px solid var(--hv3-gold-warm);
  outline-offset: 2px;
}
.hv3-nav a.hv3-nav-cta:active {
  background: var(--hv3-gold);
  border-color: var(--hv3-gold);
  color: #1E1408;
}

/* selector de idioma (funcionalidade preservada) */
.hv3-header .lang-dropdown { flex-shrink: 0; }
.hv3-header .lang-selected {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 0;
  color: rgba(255, 255, 255, 0.9);
  padding: 6px 9px;
  height: 36px;
}
.hv3-header .lang-selected:hover {
  border-color: var(--hv3-gold);
  box-shadow: none;
}
.hv3-header .lang-list { border-radius: 0; border-color: #d9d0c1; }

/* hamburger — so aparece em mobile */
.hv3-burger {
  display: none;
  margin-left: auto;
  background: none;
  border: 0;
  padding: 8px;
  cursor: pointer;
}
.hv3-burger span {
  display: block;
  width: 24px;
  height: 1px;
  background: #FFFFFF;
  margin: 6px 0;
}

/* nav mobile em overlay */
.hv3-mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 60;
  background: var(--hv3-navy);
  padding: 120px var(--hv3-pad) 0;
  flex-direction: column;
  gap: 8px;
}
.hv3-mobile-nav.open { display: flex; }
.hv3-mobile-nav a {
  font-family: var(--hv3-serif);
  font-size: 34px;
  line-height: 1.5;
  color: var(--hv3-on-dark);
  text-decoration: none;
}
.hv3-mobile-close {
  position: absolute;
  top: 34px;
  right: var(--hv3-pad);
  background: none;
  border: 0;
  color: var(--hv3-on-dark);
  font-size: 32px;
  line-height: 1;
  cursor: pointer;
}

/* ============================================================
   2. HERO  —  img1.png a sangrar, texto sobre veu escuro
   ============================================================ */
.hv3-hero {
  position: relative;
  min-height: 800px;
  height: 88vh;
  max-height: 900px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--hv3-navy);
}

.hv3-hero-img {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: auto;
  width: 66%;
  height: 100%;
  object-fit: cover;
  object-position: 62% 50%;
  z-index: 0;
}

/* veu: escuro solido a esquerda, transparente sobre a foto */
.hv3-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(90deg,
      #030A11 0%,
      #030A11 32%,
      rgba(3, 10, 17, 0.86) 40%,
      rgba(3, 10, 17, 0.40) 50%,
      rgba(3, 10, 17, 0.08) 60%,
      rgba(3, 10, 17, 0.00) 70%);
}

.hv3-hero-inner {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--hv3-max);
  margin: 0 auto;
  padding: 96px var(--hv3-pad) 0;
}

.hv3-hero-copy { max-width: 470px; }

.hv3-hero h1 {
  font-family: var(--hv3-serif);
  font-weight: 400;
  font-size: 78px;
  line-height: 1.02;
  letter-spacing: -0.005em;
  color: #FFFFFF;
  margin: 22px 0 0;
}
.hv3-hero h1 em {
  display: block;
  font-style: normal;
  color: var(--hv3-gold-warm);
}

.hv3-hero p {
  font-size: 17px;
  line-height: 1.75;
  color: var(--hv3-on-dark-soft);
  max-width: 400px;
}
.hv3-hero .hv3-hero-p1 { margin-top: 40px; }
.hv3-hero .hv3-hero-p2 { margin-top: 26px; }
.hv3-hero p strong { color: #FFFFFF; font-weight: 500; }

.hv3-hero .hv3-btn { margin-top: 44px; }

/* ============================================================
   3. TRES COLUNAS  (01 / 02 / 03)
   ============================================================ */
.hv3-cols {
  padding: 84px 0 92px;
  background: var(--hv3-bg);
}
.hv3-cols-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}
.hv3-col {
  display: flex;
  flex-direction: column;
  padding-right: 52px;
}
.hv3-col + .hv3-col {
  border-left: 1px solid var(--hv3-rule);
  padding-left: 52px;
}

.hv3-col h2 {
  font-family: var(--hv3-serif);
  font-weight: 400;
  font-size: 42px;
  line-height: 1.05;
  letter-spacing: -0.005em;
  color: var(--hv3-ink);
  margin: 0;
  /* 2 linhas reservadas: mantem os corpos de texto alinhados
     entre colunas mesmo quando o titulo so ocupa uma linha    */
  min-height: 88px;
}
.hv3-col-lead {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.65;
  color: var(--hv3-ink);
  margin-top: 34px;
}
.hv3-col p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--hv3-ink-soft);
  margin-top: 22px;
}
.hv3-col-lead + p { margin-top: 20px; }

/* lista editorial (travessao), nunca checklist de app */
.hv3-col-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
}
.hv3-col-list li {
  display: flex;
  gap: 14px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--hv3-ink-soft);
}
.hv3-col-list li::before {
  content: '—';
  color: var(--hv3-gold);
  flex-shrink: 0;
}

.hv3-col-link {
  margin-top: 30px;
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--hv3-sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--hv3-ink);
  text-decoration: none;
}
.hv3-col-link::after {
  content: '→';
  color: var(--hv3-gold);
  transition: transform 0.2s ease;
}
.hv3-col-link:hover::after { transform: translateX(4px); }

/* ============================================================
   4. AVALIACAO INICIAL  —  painel claro + img2.png
   ============================================================ */
.hv3-aval {
  display: grid;
  grid-template-columns: 42% 58%;
  min-height: 560px;
  background: var(--hv3-bg);
}

.hv3-aval-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 76px 64px 76px max(var(--hv3-pad), calc((100vw - var(--hv3-max)) / 2 + var(--hv3-pad)));
}
.hv3-aval-copy h2 {
  font-family: var(--hv3-serif);
  font-weight: 400;
  font-size: 40px;
  line-height: 1.12;
  letter-spacing: -0.005em;
  color: var(--hv3-ink);
  margin: 20px 0 0;
}
.hv3-aval-rule {
  width: 56px;
  height: 1px;
  background: var(--hv3-gold);
  margin: 30px 0 0;
  border: 0;
}
.hv3-aval-copy p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--hv3-ink-soft);
  margin-top: 26px;
  max-width: 400px;
}
.hv3-aval-copy p em { font-style: italic; }
.hv3-aval-nota {
  font-size: 14px !important;
  color: #6A6F75 !important;
}
.hv3-aval-copy .hv3-btn { margin-top: 40px; align-self: flex-start; }

.hv3-aval-img {
  width: 100%;
  height: 100%;
  min-height: 560px;
  object-fit: cover;
  object-position: center;
  display: block;
}

/* ============================================================
   5. FAIXA ESCURA  (afirmacao editorial)
   ============================================================ */
.hv3-quote {
  position: relative;
  background: var(--hv3-navy);
  padding: 62px var(--hv3-pad) 68px;
  text-align: center;
  overflow: hidden;
}
/* textura botanica quase imperceptivel, como na referencia */
.hv3-quote::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.03;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300' viewBox='0 0 300 300'%3E%3Cg fill='%23F0ECE7'%3E%3Cpath d='M60 260 C60 190 90 140 140 110 L142 116 C96 145 68 192 66 260 Z'/%3E%3Cellipse cx='80' cy='214' rx='22' ry='9' transform='rotate(-38 80 214)'/%3E%3Cellipse cx='102' cy='180' rx='22' ry='9' transform='rotate(-38 102 180)'/%3E%3Cellipse cx='126' cy='148' rx='22' ry='9' transform='rotate(-38 126 148)'/%3E%3Cellipse cx='58' cy='232' rx='20' ry='8' transform='rotate(28 58 232)'/%3E%3Cpath d='M244 40 C244 110 214 160 164 190 L162 184 C208 155 236 108 238 40 Z'/%3E%3Cellipse cx='224' cy='86' rx='22' ry='9' transform='rotate(-38 224 86)'/%3E%3Cellipse cx='202' cy='120' rx='22' ry='9' transform='rotate(-38 202 120)'/%3E%3Cellipse cx='178' cy='152' rx='22' ry='9' transform='rotate(-38 178 152)'/%3E%3C/g%3E%3C/svg%3E");
  background-size: 300px 300px;
  pointer-events: none;
}
.hv3-quote p {
  position: relative;
  z-index: 1;
  font-family: var(--hv3-serif);
  font-weight: 400;
  font-size: 44px;
  line-height: 1.22;
  color: #FFFFFF;
  margin: 0;
}
.hv3-quote p span {
  display: block;
  color: var(--hv3-gold-warm);
}

/* ============================================================
   6. FOOTER
   ============================================================ */
.hv3-footer {
  background: var(--hv3-bg-footer);
  padding: 66px 0 0;
}
.hv3-footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  padding-bottom: 56px;
}
.hv3-footer-col { padding-right: 40px; }
.hv3-footer-col + .hv3-footer-col {
  border-left: 1px solid var(--hv3-rule);
  padding-left: 48px;
}
.hv3-footer-col:last-child { border-left: 0; padding-left: 48px; }

.hv3-footer-col a.hv3-footer-logo,
.hv3-footer-logo {
  display: flex;
  align-items: center;
  gap: 18px;
  text-decoration: none;
}
.hv3-footer-logo .hv3-logo-mark { font-size: 44px; }
.hv3-footer-logo .hv3-logo-word { color: var(--hv3-ink); }

.hv3-footer-tagline {
  font-size: 15px;
  line-height: 1.7;
  color: var(--hv3-ink-soft);
  margin-top: 26px;
  max-width: 260px;
}

.hv3-footer-title {
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.20em;
  text-transform: uppercase;
  color: var(--hv3-ink);
  margin-bottom: 22px;
}
.hv3-footer-col a,
.hv3-footer-col p {
  display: block;
  font-size: 15px;
  line-height: 2;
  color: var(--hv3-ink-soft);
  text-decoration: none;
}
.hv3-footer-col a:hover { color: var(--hv3-gold); }
.hv3-footer-sep {
  width: 42px;
  height: 1px;
  background: var(--hv3-gold);
  border: 0;
  margin: 14px 0;
}

.hv3-footer-social {
  display: flex;
  gap: 14px;
  margin-top: 24px;
}
.hv3-footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border: 1px solid var(--hv3-ink);
  color: var(--hv3-ink);
}
.hv3-footer-social a:hover { border-color: var(--hv3-gold); color: var(--hv3-gold); }

.hv3-footer-bottom {
  border-top: 1px solid var(--hv3-rule);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 26px 0 34px;
  flex-wrap: wrap;
}
.hv3-footer-bottom p {
  font-size: 14px;
  color: var(--hv3-ink-soft);
  margin: 0;
}
.hv3-footer-legal {
  display: flex;
  align-items: center;
  gap: 26px;
}
.hv3-footer-legal a,
.hv3-footer-legal button {
  font-family: var(--hv3-sans);
  font-size: 14px;
  color: var(--hv3-ink-soft);
  text-decoration: none;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}
.hv3-footer-legal a:hover,
.hv3-footer-legal button:hover { color: var(--hv3-gold); }
.hv3-footer-legal > * + *::before {
  content: '|';
  color: rgba(7, 19, 31, 0.22);
  margin-right: 26px;
}

/* ============================================================
   7. RESPONSIVE
   O ritmo editorial mantem-se: alinhamento a esquerda,
   hierarquia tipografica forte, respiracao preservada.
   ============================================================ */
@media (max-width: 1280px) {
  .hv3 { --hv3-pad: 44px; }
  .hv3-hero h1 { font-size: 64px; }
  .hv3-header { gap: 20px; }
  .hv3-nav { gap: 26px; }

  /* O CTA do header e o item mais longo da barra: em alemao
     ("Erste Einschatzung starten") mede 345px contra 237px em
     portugues. Entre 1025px e 1139px isso fazia a barra transbordar
     ate 111px, criando scroll horizontal e empurrando o selector de
     idioma para fora do ecra. Abaixo de 1280px o CTA e dispensavel:
     o mesmo botao (mesma chave i18n, mesmo destino) aparece logo a
     seguir no hero, e "Contacto" continua no menu. */
  .hv3-nav-cta { display: none; }
}

@media (max-width: 1024px) {
  .hv3-nav, .hv3-nav-cta { display: none; }
  .hv3-burger { display: block; }
  .hv3-header { gap: 20px; }

  .hv3-cols-grid { grid-template-columns: 1fr; }
  .hv3-col { padding-right: 0; padding-bottom: 56px; }
  .hv3-col + .hv3-col {
    border-left: 0;
    border-top: 1px solid var(--hv3-rule);
    padding-left: 0;
    padding-top: 56px;
  }
  .hv3-col:last-child { padding-bottom: 0; }

  .hv3-aval { grid-template-columns: 1fr; }
  .hv3-aval-copy { padding: 72px var(--hv3-pad); }
  .hv3-aval-img { min-height: 420px; }

  .hv3-footer-grid { grid-template-columns: 1fr 1fr; row-gap: 48px; }
  .hv3-footer-col:nth-child(odd) { border-left: 0; padding-left: 0; }
}

@media (max-width: 720px) {
  .hv3 { --hv3-pad: 26px; font-size: 16px; }
  .hv3-logo-mark { font-size: 38px; }
  .hv3-logo-word { font-size: 10px; letter-spacing: 0.18em; }

  /* ORDEM EM MOBILE: header -> foto -> textos.
     O header deixa de flutuar sobre o hero e passa a ser uma faixa
     navy propria, para nao assentar por cima da fotografia.       */
  .hv3-header {
    position: static;
    height: 84px;
    background: var(--hv3-navy);
  }

  .hv3-hero {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    height: auto;
    min-height: 0;
    max-height: none;
  }
  .hv3-hero::after { display: none; }
  .hv3-hero-img {
    order: -1;              /* a foto vem antes do bloco de texto */
    position: relative;
    width: 100%;
    height: 340px;
    object-position: 55% 50%;
  }
  .hv3-hero-inner { padding-top: 56px; padding-bottom: 60px; }
  .hv3-hero-copy { max-width: 100%; }
  .hv3-hero h1 { font-size: 46px; }
  .hv3-hero p { max-width: 100%; }

  .hv3-col h2 { font-size: 34px; }
  .hv3-aval-copy h2 { font-size: 34px; }
  .hv3-quote { padding: 48px var(--hv3-pad) 52px; text-align: left; }
  .hv3-quote p { font-size: 32px; }

  .hv3-footer-grid { grid-template-columns: 1fr; row-gap: 44px; }
  .hv3-footer-col { border-left: 0 !important; padding-left: 0 !important; }
  .hv3-footer-bottom { flex-direction: column; align-items: flex-start; }
  .hv3-footer-legal { flex-wrap: wrap; gap: 16px; }
  .hv3-footer-legal > * + *::before { margin-right: 16px; }
}
