/* =========================================================
   Veily — Verde Sóbrio · base.css
   Variáveis, reset, tipografia, fundo, componentes
   compartilhados (logo, nav, botões, utilitários).
   ========================================================= */

:root {
  /* Paleta */
  --paper:        #fafbf7;
  --paper-2:      #f4f5ef;
  --card:         #ffffff;
  --ink:          #15201a;
  --ink-soft:     #4d5751;
  --ink-faint:    #8a928c;
  --line:         rgba(21,32,26,0.10);
  --line-strong:  rgba(21,32,26,0.22);

  --primary:      #2f5a3a;
  --primary-2:    #3f7a4d;
  --primary-soft: #e3ece4;
  --accent:       #b8543a;
  --gold:         #b8860b;

  /* Tipografia */
  --font-display: 'Newsreader', Georgia, serif;
  --font-body:    'Space Grotesk', system-ui, sans-serif;
  --font-mono:    'IBM Plex Mono', ui-monospace, monospace;

  --tr: 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
ul { list-style: none; }
img, svg { display: block; }

/* Fundo decorativo (círculos) — abstrato, neutro */
.phi-bg {
  position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden;
}
.phi-bg svg { width: 100%; height: 100%; display: block; }

/* Tipografia utilitária */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--primary);
  text-transform: uppercase;
}
.section-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.28em;
  color: var(--primary);
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.section-label::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--primary);
  display: inline-block;
}
.display {
  font-family: var(--font-display);
  font-weight: 300;
  line-height: 0.98;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.display em {
  font-style: italic;
  color: var(--primary);
  font-weight: 400;
}
.body-lg {
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink-soft);
  font-weight: 300;
}

/* Logo (V refinado, sóbrio — substitui o φ) */
.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.logo .mark {
  width: 32px;
  height: 32px;
  color: var(--primary);
  flex-shrink: 0;
}
.logo .word {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--ink);
}

/* Navegação compartilhada (top bar) */
nav.top {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 40px;
  background: rgba(250, 251, 247, 0.78);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
nav.top .nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
}
nav.top .nav-links a {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
  transition: color var(--tr);
}
nav.top .nav-links a:hover,
nav.top .nav-links a.active {
  color: var(--primary);
}

/* Botões */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--primary);
  color: #fff;
  border: none;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 16px 30px;
  border-radius: 2px;
  transition: all var(--tr);
}
.btn-primary:hover {
  background: var(--primary-2);
  transform: translateY(-2px);
}
.btn-primary svg { width: 14px; height: 14px; }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ink-soft);
  background: transparent;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 16px 24px;
  border-radius: 2px;
  border: 1px solid var(--line-strong);
  transition: all var(--tr);
}
.btn-ghost:hover {
  color: var(--ink);
  border-color: var(--ink);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--primary);
  border: 1px solid var(--primary);
  padding: 9px 18px;
  border-radius: 2px;
  transition: all var(--tr);
  background: transparent;
}
.nav-cta:hover {
  background: var(--primary);
  color: #fff;
}
.nav-cta svg { width: 11px; height: 11px; }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}
.nav-login {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  transition: color var(--tr);
}
.nav-login:hover { color: var(--primary); }

/* Container */
.container {
  max-width: 1280px;
  margin: 0 auto;
}

/* Animação fade-in */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade   { opacity: 0; animation: fadeUp 0.9s var(--tr) forwards; }
.fade.d1{ animation-delay: 0.10s; }
.fade.d2{ animation-delay: 0.25s; }
.fade.d3{ animation-delay: 0.40s; }
.fade.d4{ animation-delay: 0.55s; }
.fade.d5{ animation-delay: 0.70s; }

/* Responsivo */
@media (max-width: 1024px) {
  nav.top { padding: 14px 24px; }
  nav.top .nav-links { display: none; }
}