/* ── Fonts ─────────────────────────────────────────────────────────────────── */
/* Loaded via Google Fonts in index.html, this file contains fallback definitions */

/* ── Reset & Base ──────────────────────────────────────────────────────────── */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', system-ui, sans-serif;
  background-color: #FAF9F6;
  color: #31572C;
  -webkit-font-smoothing: antialiased;
}

/* ── Display font (Fraunces) ───────────────────────────────────────────────── */
.display-font {
  font-family: 'Fraunces', Georgia, serif;
}

/* ── Scrollbar ─────────────────────────────────────────────────────────────── */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: #90A955;
  border-radius: 3px;
}

/* ════════════════════════════════════════════════════════════════════════════
   ANIMAÇÕES
   ════════════════════════════════════════════════════════════════════════════ */

/* ── Easing suave ──────────────────────────────────────────────────────────── */
:root {
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-tactile: cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Hero: entrada da página ───────────────────────────────────────────────── */
/* Estado inicial: elementos escondidos até o JS "armar" a animação */
html.js .hero-photo,
html.js .hero-item {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.6s var(--ease-out),
    transform 0.6s var(--ease-out);
}

/* Estado animado (classe adicionada via JS) */
html.js .hero-photo.hero-visible,
html.js .hero-item.hero-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger: foto primeiro, depois os itens de texto em sequência */
html.js .hero-photo { transition-delay: 0ms; }
html.js .hero-item:nth-child(1) { transition-delay: 100ms; }
html.js .hero-item:nth-child(2) { transition-delay: 200ms; }
html.js .hero-item:nth-child(3) { transition-delay: 300ms; }
html.js .hero-item:nth-child(4) { transition-delay: 400ms; }

/* ── Círculos decorativos: flutuação ambiente ──────────────────────────────── */
@keyframes float-slow {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-8px) scale(1.02); }
}

@keyframes float-slower {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(6px) scale(0.98); }
}

.float-slow {
  animation: float-slow 7s ease-in-out infinite;
}

.float-slower {
  animation: float-slower 8s ease-in-out infinite;
}

/* ── Scroll-reveal ─────────────────────────────────────────────────────────── */
/* Estado inicial: escondido até o IntersectionObserver disparar */
html.js .reveal {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.6s var(--ease-out),
    transform 0.6s var(--ease-out);
}

html.js .reveal.reveal-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger em grids: cards de projeto, artigos, blocos do About */
html.js .reveal[data-stagger="1"] { transition-delay: 60ms; }
html.js .reveal[data-stagger="2"] { transition-delay: 120ms; }
html.js .reveal[data-stagger="3"] { transition-delay: 180ms; }
html.js .reveal[data-stagger="4"] { transition-delay: 240ms; }

/* ── Nav: estado sólido ao rolar ───────────────────────────────────────────── */
#nav {
  transition:
    box-shadow 0.3s var(--ease-out),
    background-color 0.3s var(--ease-out);
}

#nav.nav-scrolled {
  background-color: rgba(250, 249, 246, 0.98);
  box-shadow: 0 4px 20px rgba(49, 87, 44, 0.08);
}

/* ── Nav: link ativo (scrollspy) ───────────────────────────────────────────── */
.nav-link {
  position: relative;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 2px;
  background-color: #31572C;
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease-out);
}

.nav-link.nav-active {
  color: #31572C;
}

.nav-link.nav-active::after {
  transform: scaleX(1);
}

/* ── Microinterações: botões e links sociais ───────────────────────────────── */
/* Botões principais (Fale comigo, Saiba mais, links sociais, tabs) */
a[class*="rounded-full"],
button[class*="rounded-full"] {
  transition:
    transform 0.15s var(--ease-tactile),
    background-color 0.2s var(--ease-tactile),
    border-color 0.2s var(--ease-tactile),
    color 0.2s var(--ease-tactile),
    box-shadow 0.2s var(--ease-tactile);
}

a[class*="rounded-full"]:hover,
button[class*="rounded-full"]:hover {
  transform: scale(1.02);
}

a[class*="rounded-full"]:active,
button[class*="rounded-full"]:active {
  transform: scale(0.97);
}

/* ── Cards: hover com translateY ───────────────────────────────────────────── */
/* Cards de projeto e artigo */
.group[class*="rounded-2xl"] {
  transition:
    transform 0.3s var(--ease-out),
    border-color 0.3s var(--ease-out),
    box-shadow 0.3s var(--ease-out);
}

.group[class*="rounded-2xl"]:hover {
  transform: translateY(-4px);
}

/* ── Menu mobile: animação de altura/opacity ───────────────────────────────── */
#mobile-menu {
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  padding-top: 0;
  padding-bottom: 0;
  transition:
    max-height 0.35s var(--ease-out),
    opacity 0.3s var(--ease-out),
    padding 0.35s var(--ease-out);
}

#mobile-menu.menu-open {
  display: flex;
  max-height: 400px;
  opacity: 1;
  padding-top: 1rem;
  padding-bottom: 1rem;
}

/* ── Skills: crossfade de conteúdo ─────────────────────────────────────────── */
#skills-content {
  transition: opacity 0.12s ease-out;
}

#skills-content.skills-fading {
  opacity: 0;
}

/* Badges com stagger no fade-in */
#skills-content .skill-badge {
  opacity: 0;
  transform: translateY(8px);
  animation: skill-badge-in 0.4s var(--ease-out) forwards;
}

@keyframes skill-badge-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ════════════════════════════════════════════════════════════════════════════
   PREFERS-REDUCED-MOTION
   ════════════════════════════════════════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  /* Desativa todas as animações de entrada/reveal */
  html.js .hero-photo,
  html.js .hero-item,
  html.js .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  /* Desativa flutuação dos círculos */
  .float-slow,
  .float-slower {
    animation: none;
  }

  /* Desativa microinterações de scale */
  a[class*="rounded-full"]:hover,
  button[class*="rounded-full"]:hover,
  a[class*="rounded-full"]:active,
  button[class*="rounded-full"]:active {
    transform: none;
  }

  /* Desativa translateY nos cards */
  .group[class*="rounded-2xl"]:hover {
    transform: none;
  }

  /* Desativa animação dos badges de skills */
  #skills-content .skill-badge {
    opacity: 1;
    transform: none;
    animation: none;
  }

  /* Menu mobile sem animação */
  #mobile-menu {
    transition: none;
  }
}