/* ═══════════════════════════════════════════════
   IRzinho — Design System Compartilhado
   Importar em todas as páginas
   ═══════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=DM+Sans:wght@300;400;500&family=DM+Mono:wght@400;500&display=swap');

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

/* ── Tokens de design ── */
:root {
  --bg:           #FFFFFF;
  --white:        #FFFFFF;
  --white2:       #FFFFFF;
  --off:          #F7F6F3;
  --surface:      #FDFCFA;
  --camtex:       #FDFCFA;
  --border:       #E8E5DF;
  --text:         #1A1814;
  --muted:        #8A8480;
  --accent:       #1A5C3A;
  --accent-light: #EBF5EE;
  --accent-border:#C2DFC9;
  --ink:          #111110;
  --danger:       #8B2A1A;
  --danger-light: #FAF0EE;
  --gold:         #B8860B;
  --blue:         #1A3A5C;
  --blue-light:   #E8F0F5;
  --amber:        #7A5C00;
  --amber-light:  #FFFBEE;
  --painel:       #111110;
  /* Shadows */
  --shadow-sm:    0 1px 4px rgba(0,0,0,.05);
  --shadow-md:    0 4px 24px rgba(0,0,0,.07), 0 1px 4px rgba(0,0,0,.04);
  --shadow-lg:    0 8px 40px rgba(0,0,0,.12);
  /* Radius */
  --radius-sm:    3px;
  --radius-md:    6px;
  --radius-lg:    8px;
}

/* ── Modo escuro ── */
.dark {
  --bg:           #111110;
  --white:        #111110;
  --white2:       #FFFFFF;
  --off:          #1A1916;
  --surface:      #1A1916;
  --camtex:       #1F1E19;
  --border:       #2E2C28;
  --text:         #F4F1EB;
  --muted:        #8A8480;
  --accent:       #3D9E6A;
  --accent-light: #0E2D1C;
  --accent-border:#1A4D2E;
  --ink:          #F4F1EB;
  --danger:       #C4503A;
  --danger-light: #2A1510;
  --gold:         #D4A827;
  --blue:         #5A9FD4;
  --blue-light:   #0E1E2D;
  --amber:        #D4A827;
  --amber-light:  #1A1500;
  --painel:       #111110;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.dark body { background: var(--white); }

/* ── NAV — padrão ── */
nav.main-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 2.5rem;
  background: rgba(255,255,255,0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: background .2s;
}
.dark nav.main-nav { background: rgba(17,17,16,0.88); }

.nav-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* ── Logo ── */
.logo {
  font-family: 'Instrument Serif', serif;
  font-size: 1.5rem;
  color: var(--ink);
  letter-spacing: -0.02em;
  text-decoration: none;
}
.logo span { color: var(--accent); font-style: italic; }

/* ── Botão CTA do nav ── */
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--white);
  background: var(--accent);
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.55rem 1.25rem;
  cursor: pointer;
  text-decoration: none;
  transition: opacity .15s;
  letter-spacing: 0.01em;
}
.nav-cta:hover { opacity: 0.85; }
.nav-cta svg { width: 15px; height: 15px; stroke-width: 2; }

/* ── Botão nav link ── */
.nav-link {
  font-size: 0.82rem;
  color: var(--muted);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  transition: color .15s;
}
.nav-link:hover { color: var(--ink); }

/* ── Botão dark mode ── */
.dark-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--muted);
  cursor: pointer;
  padding: .3rem .5rem;
  display: flex;
  align-items: center;
  font-size: .8rem;
  transition: border-color .15s, color .15s;
  line-height: 1;
}
.dark-btn:hover { border-color: var(--accent); color: var(--accent); }

/* ── Botões principais ── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  justify-content: center;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--white);
  background: var(--accent);
  border: none;
  border-radius: 4px;
  padding: 0.85rem 2rem;
  cursor: pointer;
  text-decoration: none;
  transition: opacity .15s, transform .15s;
  letter-spacing: 0.01em;
}
.btn-primary:hover { opacity: 0.87; transform: translateY(-1px); }
.btn-primary svg { width: 16px; height: 16px; stroke-width: 2; }

.btn-ghost {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.88rem;
  font-weight: 400;
  color: var(--muted);
  background: none;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.85rem 1.75rem;
  cursor: pointer;
  text-decoration: none;
  transition: color .15s, border-color .15s;
}
.btn-ghost:hover { color: var(--ink); border-color: #C0BBB3; }

.btn-primary-light {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  justify-content: center;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink);
  background: var(--white);
  border: none;
  border-radius: 4px;
  padding: 0.9rem 2.25rem;
  cursor: pointer;
  text-decoration: none;
  transition: opacity .15s, transform .15s;
}
.btn-primary-light:hover { opacity: 0.9; transform: translateY(-1px); }

/* ── Footer ── */
footer.main-footer {
  padding: 2rem 2.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
footer.main-footer p {
  font-size: 0.75rem;
  color: var(--muted);
}

.footer-badge {
  font-family: 'DM Mono', monospace;
  font-size: 0.68rem;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.2rem 0.6rem;
}

/* ── Badge mono ── */
.badge-mono {
  font-family: 'DM Mono', monospace;
  font-size: .7rem;
  color: var(--gold);
  border: 1px solid var(--gold);
  padding: .25rem .6rem;
  border-radius: 2px;
  white-space: nowrap;
  opacity: .8;
}

/* ── Animações base ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ── Seções ── */
.section-inner {
  max-width: 1060px;
  margin: 0 auto;
  padding: 5rem 2rem;
}

.section-tag {
  font-family: 'DM Mono', monospace;
  font-size: 0.72rem;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}

.section-title {
  font-family: 'Instrument Serif', serif;
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  line-height: 1.1;
  color: var(--ink);
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.section-sub {
  font-size: 1rem;
  color: var(--muted);
  line-height: 1.7;
  max-width: 500px;
  margin-bottom: 3rem;
  font-weight: 300;
}

/* ── Inputs e formulários ── */
input[type="text"],
input[type="number"],
input[type="email"],
select,
textarea {
  font-family: 'DM Sans', sans-serif;
  font-size: .88rem;
  color: var(--text);
  background: var(--camtex);
  border: 1px solid var(--border);
  border-radius: 4px;
  outline: none;
  transition: border-color .15s, background .15s;
}
input[type="text"]:focus,
input[type="number"]:focus,
input[type="email"]:focus,
select:focus,
textarea:focus {
  border-color: var(--accent);
}

.dark input[type="text"],
.dark input[type="number"],
.dark input[type="email"],
.dark select,
.dark textarea {
  background: var(--surface);
  color: var(--text);
  border-color: var(--border);
}

/* ── Modal / Feedback ── */
.fb-btn {
  position: fixed;
  right: 24px; bottom: 24px;
  z-index: 999;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 999px;
  padding: .75rem 1.1rem;
  display: flex;
  align-items: center;
  gap: .5rem;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  font-family: 'DM Sans', sans-serif;
  font-size: .85rem;
  font-weight: 500;
  transition: opacity .2s, transform .2s;
}
.fb-btn:hover { opacity: .88; transform: translateY(-2px); }
.fb-btn svg { width: 16px; height: 16px; }

.modal-overlay {
  position: fixed; inset: 0;
  z-index: 1000;
  background: rgba(0,0,0,.45);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}
.modal-overlay.open { display: flex; }

.modal {
  background: var(--bg);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 24px 60px rgba(0,0,0,.2);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 1.25rem;
  border-bottom: 1px solid var(--border);
}

.modal-title {
  font-family: 'DM Sans', sans-serif;
  font-size: .95rem;
  font-weight: 500;
  color: var(--ink);
}

.modal-close {
  width: 28px; height: 28px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 1rem;
  transition: border-color .15s, color .15s;
}
.modal-close:hover { border-color: #C0BBB3; color: var(--ink); }

.modal-body { padding: 1.25rem; background: var(--bg); }

.fb-label {
  font-size: .72rem;
  font-weight: 500;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .08em;
  display: block;
  margin-bottom: .45rem;
}

.fb-group { margin-bottom: 1rem; }

.fb-input,
.fb-textarea {
  width: 100%;
  padding: .65rem .85rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-family: 'DM Sans', sans-serif;
  font-size: .88rem;
  color: var(--text);
  background: var(--camtex);
  outline: none;
  transition: border-color .15s;
  resize: vertical;
}
.fb-input:focus, .fb-textarea:focus { border-color: var(--accent); background: var(--bg); }
.fb-textarea { min-height: 80px; }

.stars { display: flex; gap: .35rem; margin-bottom: .25rem; }
.star-btn {
  background: none; border: none;
  font-size: 1.5rem; cursor: pointer;
  padding: .1rem; line-height: 1;
  transition: transform .1s;
  color: var(--border);
}
.star-btn.ativo { color: var(--gold); }

.fb-submit {
  width: 100%;
  padding: .8rem;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 4px;
  font-family: 'DM Sans', sans-serif;
  font-size: .9rem;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  transition: opacity .15s;
  margin-top: .5rem;
}
.fb-submit:hover { opacity: .87; }
.fb-submit:disabled { opacity: .5; cursor: not-allowed; }

/* ── Toast ── */
#irzinho-toast {
  position: fixed;
  bottom: 80px; right: 24px;
  z-index: 1100;
  padding: .75rem 1.1rem;
  border-radius: var(--radius-md);
  font-size: .83rem;
  font-family: 'DM Sans', sans-serif;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transition: opacity .3s, transform .3s;
  transform: translateY(8px);
  pointer-events: none;
  max-width: 280px;
  color: #F4F1EB;
}

/* ── Responsive nav ── */
@media (max-width: 680px) {
  nav.main-nav { padding: 1rem 1.25rem; }
  .section-inner { padding: 3.5rem 1.25rem; }
  footer.main-footer { padding: 1.5rem 1.25rem; }
}