/* ══════════════════════════════════════════════════════
   IGOR GUERRA ARQUITETURA — SHARED STYLES
   Todas as páginas importam este arquivo.
   ══════════════════════════════════════════════════════ */

/* ─── FONTS ─────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;700&family=Cormorant+Garamond:ital,wght@0,300;0,400;1,300;1,400&family=DM+Sans:wght@300;400&display=swap');

/* ─── VARIABLES ──────────────────────────────────────── */
:root {
  /* Brand colors from identity guide */
  --bg:        #F8F5F1;
  --bg-dark:   #111110;
  --text:      #141412;
  --muted:     #7A7470;
  --accent:    #5E7B7A;   /* teal-gray from "ARQUITETURA" in the logo */
  --accent-lt: #8FA8A7;
  --border:    #E0DBD5;
  --white:     #FFFFFF;

  /* Typography */
  --display: 'Space Grotesk', sans-serif;  /* for logo + headings */
  --serif:   'Cormorant Garamond', Georgia, serif;
  --sans:    'DM Sans', system-ui, sans-serif;

  --nav-h:  104px;
  --max-w:  1400px;
}

/* ─── RESET ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { display: block; width: 100%; height: 100%; object-fit: cover; }
a   { color: inherit; text-decoration: none; }
ul  { list-style: none; }
button { font-family: var(--sans); }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 60px);
}

::-webkit-scrollbar { width: 3px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--accent); }

/* ─── LOGO ───────────────────────────────────────────── */
.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  user-select: none;
  line-height: 1;
}

/* Image-based logo: two versions for light/dark contexts */
.logo-img-dark,
.logo-img-light {
  height: 88px;
  width: auto;
  object-fit: contain;
  display: block;
}

/* Default: show dark-bg logo (white), hide light-bg logo */
.logo-img-light { display: none; }
.logo-img-dark  { display: block; }

/* When nav is scrolled or has light-nav class → swap to light logo */
#nav.scrolled .logo-img-dark,
#nav.light-nav .logo-img-dark { display: none; }
#nav.scrolled .logo-img-light,
#nav.light-nav .logo-img-light { display: block; }

/* Fallback text logo (kept for compatibility) */
.logo-name {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.38em;
  text-transform: uppercase;
  color: var(--white);
  transition: color 0.4s;
  display: block;
  line-height: 1.15;
}

.logo-sub {
  font-family: var(--display);
  font-weight: 300;
  font-size: 0.62rem;
  letter-spacing: 0.48em;
  text-transform: uppercase;
  color: var(--accent-lt);
  transition: color 0.4s;
  display: block;
  padding-left: 0.12em;
  line-height: 1.5;
}

/* When nav is scrolled / on light pages */
.logo.dark .logo-name { color: var(--text); }
.logo.dark .logo-sub  { color: var(--accent); }

/* Contato / area-restrita pages have dark header with light-nav scroll */
.logo.force-dark .logo-img-dark  { display: block !important; }
.logo.force-dark .logo-img-light { display: none !important; }

/* ─── NAV ────────────────────────────────────────────── */
#nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: background 0.4s, box-shadow 0.4s;
}

#nav.scrolled,
#nav.light-nav {
  background: rgba(248, 245, 241, 0.95);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--border);
}

#nav.scrolled .logo-name,
#nav.light-nav .logo-name { color: var(--text); }
#nav.scrolled .logo-sub,
#nav.light-nav .logo-sub   { color: var(--accent); }

.nav-inner {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 60px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links {
  display: flex;
  gap: 28px;
  align-items: center;
}

.nav-links a {
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.75);
  transition: color 0.25s;
  white-space: nowrap;
}

#nav.scrolled .nav-links a,
#nav.light-nav .nav-links a { color: var(--muted); }

.nav-links a:hover { color: var(--white); }
#nav.scrolled .nav-links a:hover,
#nav.light-nav .nav-links a:hover { color: var(--text); }

.nav-links a.active-page {
  color: var(--white);
  border-bottom: 1px solid rgba(255,255,255,0.4);
  padding-bottom: 2px;
}
#nav.scrolled .nav-links a.active-page,
#nav.light-nav .nav-links a.active-page {
  color: var(--text);
  border-bottom-color: var(--accent);
}

/* Restricted area link */
.nav-restrita {
  font-size: 0.62rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45) !important;
  border: 1px solid rgba(255,255,255,0.2);
  padding: 5px 14px;
  border-radius: 2px;
  transition: all 0.25s !important;
  white-space: nowrap;
}

.nav-restrita:hover {
  color: rgba(255,255,255,0.85) !important;
  border-color: rgba(255,255,255,0.5) !important;
}

#nav.scrolled .nav-restrita,
#nav.light-nav .nav-restrita {
  color: var(--muted) !important;
  border-color: var(--border) !important;
}

#nav.scrolled .nav-restrita:hover,
#nav.light-nav .nav-restrita:hover {
  color: var(--text) !important;
  border-color: var(--accent) !important;
}

/* Lang toggle */
.lang-toggle {
  display: flex;
  border: 1px solid rgba(255,255,255,0.22);
  border-radius: 2px;
  overflow: hidden;
}

#nav.scrolled .lang-toggle,
#nav.light-nav .lang-toggle { border-color: var(--border); }

.lang-btn {
  padding: 4px 10px;
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: transparent;
  border: none;
  color: rgba(255,255,255,0.4);
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  font-family: var(--sans);
}

#nav.scrolled .lang-btn,
#nav.light-nav .lang-btn { color: var(--muted); }

.lang-btn.active {
  background: rgba(255,255,255,0.15);
  color: var(--white);
}

#nav.scrolled .lang-btn.active,
#nav.light-nav .lang-btn.active {
  background: var(--text);
  color: var(--white);
}

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--white);
  transition: background 0.4s;
}

#nav.scrolled .nav-hamburger span,
#nav.light-nav .nav-hamburger span { background: var(--text); }

/* Mobile menu */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--bg-dark);
  z-index: 199;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
}

.mobile-menu.open { display: flex; }

.mobile-menu a {
  font-family: var(--display);
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--white);
  transition: color 0.2s;
}

.mobile-menu a:hover { color: var(--accent-lt); }

.mobile-menu-close {
  position: absolute;
  top: 20px; right: 24px;
  font-size: 1.6rem;
  color: var(--white);
  background: none;
  border: none;
  cursor: pointer;
  line-height: 1;
}

.mobile-lang {
  display: flex;
  gap: 6px;
  margin-top: 12px;
}

.mobile-lang-btn {
  padding: 7px 18px;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 2px;
  background: transparent;
  color: rgba(255,255,255,0.4);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  font-family: var(--sans);
  transition: all 0.2s;
}

.mobile-lang-btn.active {
  background: rgba(255,255,255,0.08);
  color: var(--white);
  border-color: rgba(255,255,255,0.35);
}

/* ─── PAGE HERO (interior pages) ──────────────────────── */
.page-hero {
  padding-top: var(--nav-h);
  padding-bottom: clamp(48px, 6vw, 80px);
  border-bottom: 1px solid var(--border);
}

.page-hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: clamp(48px, 7vw, 100px) clamp(20px, 4vw, 60px) 0;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

.page-title {
  font-family: var(--display);
  font-size: clamp(2.2rem, 5vw, 5rem);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text);
  line-height: 1;
}

/* ─── SECTION LABEL ──────────────────────────────────── */
.section-label {
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-label::before {
  content: '';
  display: block;
  width: 24px;
  height: 1px;
  background: var(--accent);
  flex-shrink: 0;
}

/* ─── FOOTER ─────────────────────────────────────────── */
footer {
  background: var(--bg-dark);
  padding: clamp(48px, 6vw, 80px) 0 28px;
}

.footer-top {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 60px);
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: clamp(40px, 5vw, 64px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  margin-bottom: 28px;
}

.footer-col-title {
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-lt);
  margin-bottom: 16px;
}

.footer-col a,
.footer-col p {
  display: block;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.35);
  line-height: 1.9;
  transition: color 0.2s;
}

.footer-col a:hover { color: rgba(255,255,255,0.7); }

.footer-social {
  display: flex;
  gap: 18px;
  margin-top: 4px;
}

.footer-social a {
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
  display: inline;
}

/* ─── FOOTER SOCIAL ICONS (SVG) ──────────────────────── */
.footer-social-icons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 4px;
}

.footer-social-icons a {
  display: inline-flex;
  align-items: center;
  color: rgba(255,255,255,0.3);
  transition: color 0.2s;
  text-decoration: none;
}

.footer-social-icons a:hover { color: rgba(255,255,255,0.75); }
.footer-social-icons svg { width: 17px; height: 17px; fill: currentColor; }

.footer-bottom {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 60px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-logo-text {
  font-family: var(--display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.15);
}

.footer-copy {
  font-size: 0.65rem;
  color: rgba(255,255,255,0.15);
  letter-spacing: 0.05em;
}

/* ─── BUTTONS ────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 32px;
  background: var(--text);
  color: var(--white);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: background 0.25s, gap 0.25s;
}

.btn-primary:hover { background: var(--accent); gap: 18px; }

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 13px 32px;
  background: transparent;
  color: var(--text);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: border-color 0.25s, color 0.25s;
}

.btn-outline:hover { border-color: var(--text); }

/* ─── LIGHTBOX TRIGGER (conceito, renders, etc.) ─────── */
.lb-trigger {
  cursor: zoom-in;
  overflow: hidden;
}
.lb-trigger img {
  display: block;
  width: 100%;
  height: auto;
  transition: transform 0.7s ease;
}
.lb-trigger:hover img { transform: scale(1.03); }

/* ─── FADE IN ────────────────────────────────────────── */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.25,0.46,0.45,0.94),
              transform 0.7s cubic-bezier(0.25,0.46,0.45,0.94);
}
.fade-in.visible { opacity: 1; transform: none; }
.fd1 { transition-delay: 0.08s; }
.fd2 { transition-delay: 0.16s; }
.fd3 { transition-delay: 0.24s; }
.fd4 { transition-delay: 0.32s; }

/* ─── RESPONSIVE NAV ─────────────────────────────────── */
@media (max-width: 900px) {
  .nav-links,
  .nav-restrita,
  .lang-toggle { display: none; }
  .nav-hamburger { display: flex; }
}

@media (max-width: 768px) {
  .footer-top { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}