/*
 * Folha de estilos principal para o site do restaurante.
 * Utiliza uma paleta escura com acentos dourados para criar uma atmosfera
 * elegante e contemporânea. O layout é responsivo e adapta‑se a telemóveis,
 * tablets e computadores de secretária. Os textos são definidos em
 * Playfair Display para títulos e Inter para corpo, importados via Google Fonts.
 */

/* Variáveis de cores e fontes */
:root {
  --color-bg: #0a0a0a;
  --color-bg-alt: #111111;
  --color-foreground: #e6e6e6;
  --color-muted: #8a8a8a;
  --color-accent: #c9a14a;
  --font-heading: 'Playfair Display', serif;
  --font-body: 'Inter', sans-serif;
  --max-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  position: relative;
  color: var(--color-foreground);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  padding-top: 72px;
}

.site-bg {
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image: url('assets/background.jpeg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
}

.site-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 10, 0.55);
}

body.is-loading {
  overflow: hidden;
}

.page-loader {
  position: fixed;
  inset: 0;
  background: var(--color-bg);
  z-index: 2000;
  opacity: 1;
  transition: opacity 0.6s ease;
  pointer-events: none;
}

body.is-loaded .page-loader {
  opacity: 0;
}

a {
  color: var(--color-accent);
  text-decoration: none;
}

a:hover, a:focus {
  text-decoration: underline;
}

/* Skip link para acessibilidade */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-accent);
  color: var(--color-bg);
  padding: 8px 16px;
  font-weight: 600;
  z-index: 100;
  transition: top 0.3s;
}

.skip-link:focus {
  top: 0;
}

/* Visually hide element but keep it accessible to screen readers */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* Navegação principal */
.nav {
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-accent);
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  transition: background-color 0.3s ease, backdrop-filter 0.3s ease;
}

.nav.scrolled {
  background-color: rgba(10, 10, 10, 0.75);
  backdrop-filter: blur(8px);
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1rem;
  position: relative;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  color: var(--color-accent);
}

.logo img {
  display: block;
  height: 42px;
  width: auto;
}

.nav-menu {
  list-style: none;
  display: flex;
  gap: 2rem;
}

.nav-menu li a {
  font-family: var(--font-body);
  font-weight: 600;
  color: var(--color-foreground);
  padding: 0.5rem 0;
  transition: color 0.3s;
}

.nav-menu li a:hover,
.nav-menu li a:focus {
  color: var(--color-accent);
}

/* Botão hamburguer para mobile */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle .bar {
  width: 22px;
  height: 3px;
  background-color: var(--color-foreground);
  margin: 4px 0;
  border-radius: 2px;
  transition: transform 0.18s ease, background-color 0.18s ease;
  box-shadow: 0 1px 0 rgba(0,0,0,0.6);
}

/* Hero */
.hero {
  position: relative;
  height: 70vh;
  min-height: 400px;
  background-color: #050505;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}

.hero-slides {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0;
  transition: opacity 0.6s ease;
}

.is-loaded .hero-slides {
  opacity: 1;
}

.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1.4s ease-in-out;
  will-change: opacity;
}

.hero-slide.is-active {
  opacity: 1;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 0 1rem;
}

.hero-logo {
  display: block;
  margin: 0 auto 1rem;
  width: clamp(140px, 22vw, 220px);
  height: auto;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 6vw, 4rem);
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}

.hero-tagline {
  font-family: var(--font-body);
  font-size: clamp(1rem, 3vw, 1.5rem);
  margin-bottom: 1.5rem;
}

.btn-primary {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border: 2px solid var(--color-accent);
  background-color: var(--color-accent);
  color: var(--color-bg);
  text-transform: uppercase;
  font-family: var(--font-body);
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: transform 0.12s ease, box-shadow 0.12s ease, opacity 0.12s ease;
}

.btn-primary:hover,
.btn-primary:focus {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.45);
  opacity: 0.98;
}

.btn-primary:focus-visible {
  outline: 3px solid rgba(201,161,74,0.18);
  outline-offset: 3px;
}

/* Secondary button used for directions */
.btn-secondary {
  display: inline-block;
  padding: 0.5rem 1rem;
  border: 2px solid var(--color-accent);
  background: transparent;
  color: var(--color-accent);
  font-weight: 600;
  border-radius: 8px;
  text-decoration: none;
}
.btn-secondary:hover,
.btn-secondary:focus {
  background: rgba(201,161,74,0.06);
  color: var(--color-foreground);
}
.btn-secondary:focus-visible { outline: 3px solid rgba(201,161,74,0.12); outline-offset: 3px; }

/* Mobile sticky CTA */
.mobile-cta {
  display: none; /* shown on mobile only */
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 1200;
  background: var(--color-accent);
  color: var(--color-bg);
  padding: 0.9rem 1.1rem;
  border-radius: 999px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.45);
  font-weight: 700;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
}
.mobile-cta:focus-visible { outline: 3px solid rgba(201,161,74,0.18); outline-offset: 4px; }


/* Secções */
.section {
  padding: 4rem 1rem;
}

.section-alt {
  background-color: var(--color-bg-alt);
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
}

/* Subtle overlay behind text containers to ensure contrast over textured bg */
.section .container { position: relative; }
.section .container::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.03);
  pointer-events: none;
  border-radius: 6px;
}
.section .container > * { position: relative; z-index: 2; }

.section-title {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  color: var(--color-accent);
  margin-bottom: 1.5rem;
}

/* Contactos */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem 2rem;
  align-items: start;
}
.contact-left { order: 1; }
.contact-right { order: 2; }
.contact-left .label { color: var(--color-accent); font-weight: 700; margin-bottom: 0.25rem; }
.contact-left .value { color: var(--color-foreground); margin-bottom: 1rem; }
.contact-left .address-link a { color: var(--color-foreground); text-decoration: none; }
.contact-left .address-link a:hover, .contact-left .address-link a:focus { color: var(--color-accent); }
.contact-left .phone a { color: var(--color-accent); font-size: 1.25rem; font-weight: 800; text-decoration: none; }

.contact-right iframe {
  width: 100%;
  min-height: 260px;
  border: 2px solid var(--color-accent);
  border-radius: 8px;
  box-shadow: 0 14px 40px rgba(0,0,0,0.45);
  display: block;
}

.address-link a {
  display: inline-flex;
  gap: 0.6rem;
  align-items: flex-start;
  color: var(--color-foreground);
}

.address-link a:hover,
.address-link a:focus {
  color: var(--color-accent);
  text-decoration: none;
}

.address-link img {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  margin-top: 2px;
  filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.35));
}

.social-links {
  margin-top: 1rem;
  display: flex;
  gap: 1rem;
}

.social-links a {
  color: var(--color-accent);
  font-weight: 600;
}

/* Rodapé */
.footer {
  background-color: #080808;
  padding: 1rem;
}

.footer p {
  text-align: center;
  font-size: 0.875rem;
  color: var(--color-muted);
}

/* Media queries para dispositivos pequenos */
@media (max-width: 768px) {
  body {
    padding-top: 64px;
  }
  .mobile-cta { display: inline-flex; align-items: center; justify-content: center; }
  .nav-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background-color: var(--color-bg);
    border: 1px solid var(--color-accent);
    flex-direction: column;
    width: min(90vw, 280px);
    padding: 0.75rem;
    gap: 0.5rem;
    border-radius: 12px;
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
    opacity: 0;
    transform: translateY(-8px);
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0s linear 0.25s;
  }
  .nav-menu.open {
    opacity: 1;
    transform: translateY(0);
    visibility: visible;
    pointer-events: auto;
    transition: opacity 0.25s ease, transform 0.25s ease;
  }
  .nav-toggle {
    display: flex;
  }
  .nav-menu li {
    margin: 0;
    border-bottom: 1px solid var(--color-bg-alt);
    width: 100%;
    text-align: right;
  }
  .nav-menu li:last-child {
    border-bottom: none;
  }
  .nav-menu li a {
    display: block;
    padding: 0.6rem 0;
  }
  .hero {
    height: 60vh;
  }
  .contactos {
    flex-direction: column;
  }
}

@media (min-width: 769px) {
  .contact-grid { grid-template-columns: 1fr 1fr; }
  .contact-left { padding-right: 1rem; }
  .contact-right { padding-left: 1rem; }
  .mobile-cta { display: none; }
}

/* Accessibility: visible focus for interactive elements */
a:focus-visible, button:focus-visible { outline: 3px solid rgba(201,161,74,0.16); outline-offset: 3px; }