/* ─── RESET & BASE ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --sand:    #f5f0e8;
  --cream:   #faf8f4;
  --warm:    #e8ddd0;
  --terra:   #c4845a;
  --terra-d: #a0603a;
  --dark:    #1a1610;
  --mid:     #4a4035;
  --light:   #8a7d6e;
  --white:   #ffffff;

  --font-serif: 'JetBrains Mono', 'Courier New', monospace;
  --font-sans:  'JetBrains Mono', 'Courier New', monospace;

  --radius: 16px;
  --radius-sm: 8px;
  --shadow: 0 8px 40px rgba(26,22,16,.12);
  --shadow-lg: 0 24px 80px rgba(26,22,16,.20);

  --transition: 0.35s cubic-bezier(.4,0,.2,1);
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-sans);
  color: var(--dark);
  background: var(--cream);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { display: block; max-width: 100%; }

/* ─── TYPOGRAPHY ───────────────────────────────────────────────────────────── */
h2 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 400;
  line-height: 1.2;
  color: var(--dark);
  margin-bottom: 1.25rem;
}
h2 em { font-style: italic; color: var(--terra); }

h3 {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: .4rem;
}

p {
  font-size: .975rem;
  line-height: 1.75;
  color: var(--mid);
}

.label {
  display: inline-block;
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--terra);
  margin-bottom: .75rem;
}
.label--light { color: var(--warm); }



/* ─── NAV ──────────────────────────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.4rem clamp(1.25rem, 5vw, 3rem);
  transition: background var(--transition), backdrop-filter var(--transition), padding var(--transition);
}
.nav.scrolled {
  background: rgba(26,22,16,.88);
  backdrop-filter: blur(16px);
  padding-block: .9rem;
}
.nav__logo {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--white);
  letter-spacing: .04em;
}
.nav__links {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav__links a {
  color: rgba(255,255,255,.82);
  font-size: .85rem;
  font-weight: 500;
  transition: color var(--transition);
}
.nav__links a:hover { color: var(--white); }
.nav__cta {
  background: var(--terra) !important;
  color: var(--white) !important;
  padding: .55rem 1.4rem;
  border-radius: 50px;
}
.nav__cta:hover { background: var(--terra-d) !important; }

/* --- HAMBURGER --- */
#nav-icon {
  display: none;
  width: 40px;
  height: 30px;
  position: relative;
  transform: rotate(0deg);
  transition: all .5s ease-in-out;
  opacity: 1;
  cursor: pointer;
}

#nav-icon span {
  display: block;
  position: absolute;
  height: 6px;
  width: 100%;
  background: var(--terra);
  border-radius: 9px;
  left: 0;
  transform: rotate(0deg);
  transition: all .25s ease-in-out;
}

#nav-icon span:nth-child(1) {
  top: 0px;
  transform-origin: left center;
}

#nav-icon span:nth-child(2) {
  top: 12px;
  transform-origin: left center;
}

#nav-icon span:nth-child(3) {
  top: 24px;
  transform-origin: left center;
}

#nav-icon.open span:nth-child(1) {
  transform: rotate(45deg);
  top: -5px;
  left: 8px;
}

#nav-icon.open span:nth-child(2) {
  width: 0%;
  opacity: 0;
}

#nav-icon.open span:nth-child(3) {
  transform: rotate(-45deg);
  top: 24px;
  left: 8px;
}

/* ─── FOOTER ────────────────────────────────────────────────────────────────── */
.footer {
  background: var(--dark);
  padding-top: 4rem;
}
.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.footer__logo {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 400;
  color: var(--white);
  margin-bottom: 1rem;
}
.footer__brand p { color: rgba(255,255,255,.45); font-size: .875rem; max-width: 280px; }
.footer__links h4 {
  color: rgba(255,255,255,.7);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}
.footer__links ul { display: flex; flex-direction: column; gap: .7rem; }
.footer__links a { color: rgba(255,255,255,.45); font-size: .875rem; transition: color var(--transition); }
.footer__links a:hover { color: var(--white); }
.footer__bottom {
  text-align: center;
  padding: 1.5rem 0;
}
.footer__bottom p { color: rgba(255,255,255,.3); font-size: .78rem; }

@media (max-width: 960px) {
  .footer__inner { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: span 2; }
}

@media (max-width: 640px) {
  .footer__inner { grid-template-columns: 1fr; }
  .footer__brand { grid-column: unset; }
}


/* --- RESPONSIVIDADE (Telemóvel) --- */
@media (max-width: 590px) {
  #nav-icon {
    display: block; /* Mostra no telemóvel */
  }

  .nav__links {
    position: fixed;
    top: 0;
    right: -100%; /* Escondido fora do ecrã */
    width: 70%;
    height: 100vh;
    background: var(--dark);
    flex-direction: column;
    padding-top: 6rem;
    transition: 0.4s;
    box-shadow: -5px 0 15px rgba(0,0,0,0.1);
  }

  .nav__links.active {
      right: 0; /* Desliza para dentro */
  }
}


/* Remove all animations, transitions and smooth scroll for people that prefer not to see them */
@media (prefers-reduced-motion: reduce) {
  html:focus-within {
   scroll-behavior: auto;
  }
  
  *,
  *::before,
  *::after {
    /* animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important; */
    scroll-behavior: auto !important;
  }
}

/* ─── SCROLL ANIMATIONS ─────────────────────────────────────────────────────── */
.fade-up {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
  will-change: opacity, transform; /* Melhora a performance */
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}