:root {
  /* PALETA BASE */
  --green-500: #2ad5c4;
  --green-300: #77e4d9;

  /* CORES PRINCIPAIS */
  --green-main: var(--green-500);
  --green-soft: var(--green-300);

  /* ACCENT */
  --accent-main: #00ffcc;

  /* EFEITOS */
  --green-glow: rgba(42, 213, 196, 0.45);
  --green-glow-strong: rgba(42, 213, 196, 0.75);

  /* BACKGROUNDS */
  --bg-page: #0b0b0b;
  --bg-section: #161616;
  --bg-card: #1c1c1c;
  --bg-card-alt: #202020;

  /* TEXTOS */
  --text-main: #b2b2b2;
  --text-white: #ffffff;
}

body {
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  margin: 0;
  background-color: var(--bg-page);
  color: var(--text-main);
  font-family:
    "Inter",
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    sans-serif;
}
/* Hierarquia tipográfica */
/* Títulos */
h1,
h2,
h3 {
  font-weight: 600;
  letter-spacing: -0.02em;
}
/* Texto normal */
p,
li,
span {
  font-weight: 400;
  line-height: 1.6;
}

strong {
  font-weight: 500;
}

* {
  -webkit-tap-highlight-color: transparent;
}

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

/* ANIMAÇÕES */
@keyframes heroEntrada {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fotoEntrada {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.foto {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 20px;
  border: 3px solid var(--green-main);
  opacity: 0;
  animation: fotoEntrada 0.6s ease-out forwards;
  animation-delay: 0.3s;
}

.hero .conteudo {
  opacity: 0;
  animation: heroEntrada 0.8s ease-out forwards;
}

.hero .conteudo .foto {
  animation-delay: 0.5s;
}

/* ESTADO INICIAL (antes de aparecer) */
.scroll-animado {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.35s ease-out,
    transform 0.35s ease-out;
}

.scroll-animado.ativo {
  opacity: 1;
  transform: translateY(0);
}

/* CORES ALTERNADAS SUAVES */
.projeto-card:nth-child(odd) {
  background: var(--bg-card);
}

.projeto-card:nth-child(even) {
  background: var(--bg-card-alt);
}

/* LANDING PAGE */
.hero {
  min-height: 100vh;
  background-image: url("bg-landing.webp");
  background-size: cover; /* cobre toda a tela */
  background-position: bottom; /* garante que a parte inferior fique visível */
  background-repeat: no-repeat;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 40px;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  /* Escuro no topo e transparente no final da imagem */
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.7) 0%,
    /* topo escuro */ rgba(0, 0, 0, 0.3) 85%,
    /* começa a clarear */ rgba(0, 0, 0, 0) 100% /* transparente no fim */
  );
  z-index: 0;
}

.hero .conteudo {
  position: relative;
  z-index: 1;
  background: rgba(20, 20, 20, 0.9);
  padding: 2.5rem 1.875rem;
  border-radius: 16px;
  backdrop-filter: blur(4px);
  text-align: center;
  max-width: 600px;
}

section:not(.hero) {
  background: var(--bg-section);
  padding: 1.25rem;
  border-radius: 12px;
  margin: 1.5rem auto;
  max-width: 600px;
}

/* CONTEÚDO GERAL */
.conteudo {
  text-align: center;
  max-width: 600px;
}

h1 {
  color: var(--text-white);
  font-size: 2rem;
  margin-bottom: 10px;
}

.subtitulo {
  font-size: 1rem;
  margin-bottom: 20px;
  color: var(--text-white);
}

h2 {
  margin-bottom: 15px;
  font-size: 1.375rem;
  color: var(--green-main);
}

.projeto-card {
  padding: 20px;
  border-radius: 12px;
  margin-bottom: 20px;
  text-align: left;
}

.projeto-card a {
  display: inline-block;
  margin-top: 10px;
  color: var(--accent-main);
  text-decoration: none;
  font-weight: bold;
}

.projeto-card p {
  max-width: 90%;
  margin-bottom: 12px;
}

.projeto-card a:hover {
  transform: translateY(-3px);
  transition: transform 0.2s ease;
}

.habilidades ul {
  list-style: none;
  padding: 0;
}

.habilidades li {
  margin: 8px 0;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 12px;
  line-height: 1.6;
}

.habilidades li::before {
  content: "";
  width: 7px;
  height: 7px;
  flex-shrink: 0;
  background: linear-gradient(180deg, var(--green-main), var(--green-soft));
  border-radius: 50%;
  box-shadow: 0 0 6px var(--green-glow);
  transition:
    transform 0.35s cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 0.35s ease;
}

.habilidades li:hover::before {
  box-shadow: 0 0 12px var(--green-glow-strong);
  transform: scale(1.25);
}

.habilidades li {
  font-size: 0.95rem;
}

p,
li {
  text-rendering: optimizeLegibility;
}

h3 {
  position: relative;
  display: inline-block;
  line-height: 1.2;
}

h3::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.35em;
  width: 40px;
  height: 0.25em;
  background: linear-gradient(90deg, var(--green-main), var(--green-soft));
  border-radius: 999px;
}

.contato {
  text-align: center;
}

.contato-texto {
  margin-bottom: 20px;
  color: var(--text-main);
}

.contato-links {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.contato-links a {
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--bg-card);
  color: var(--green-main);
  text-decoration: none;
  font-weight: bold;
  transition:
    transform 0.35s cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 0.35s ease;
}

.contato-links a:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 18px var(--green-glow);
}

.projeto-card img {
  width: 100%;
  border-radius: 8px;
  margin-bottom: 0;
  border: none;
  box-shadow: 0 0 14px var(--green-glow);
  transition:
    box-shadow 0.3s ease,
    transform 0.3s ease;
}

/* Sombrinha ao tocar no mobile */
.projeto-card img:active {
  box-shadow:
    0 0 25px var(--green-glow-strong),
    0 0 50px var(--green-glow);
  transition: transform 0.2s ease;
  transform: translateY(-4px);
}
.projeto-card img.ativo {
  box-shadow:
    0 0 25px var(--green-glow-strong),
    0 0 50px var(--green-glow);
  transform: translateY(-4px);
}

.projeto-card:hover {
  box-shadow:
    0 0 18px var(--green-glow),
    0 0 32px var(--green-glow);
  transform: translateY(-4px);
}

.projeto-card,
.projeto-card img {
  will-change: transform;
}

/* CONTAINER DO PREVIEW DO PROJETO */
.projeto-preview {
  max-height: 480px;
  overflow: hidden;
  border-radius: 8px;
  margin-bottom: 12px;
}

.projeto-preview img {
  display: block;
  width: 100%;
  height: auto;
}
.projeto-card,
.projeto-card img {
  will-change: transform;
}

.projeto-preview.vazio {
  height: 200px;
  background: linear-gradient(135deg, var(--bg-card), var(--bg-card-alt));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #777;
}

.destaque {
  color: var(--green-main);
  text-shadow: 0 0 12px var(--green-glow);
}

.titulo-projeto {
  color: #fff;
}

/* ACESSIBILIDADE — FOCUS */
:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--green-glow-strong);
  border-radius: 8px;
}

a:focus-visible {
  text-decoration: none;
}

.contato-links a:focus-visible {
  box-shadow:
    0 0 0 3px var(--green-glow-strong),
    0 0 15px var(--green-glow);
}

.projeto-card a:focus-visible {
  box-shadow: 0 0 0 3px var(--green-glow-strong);
}

/* RESPONSIVIDADE MOBILE */
@media (max-width: 600px) {
  body {
    padding: 15px;
  }
  .hero {
    min-height: 100vh;
    min-height: 100svh;
  }
  .conteudo {
    padding: 20px 15px;
  }
  h1 {
    font-size: clamp(1.6rem, 5vw, 2rem);
    letter-spacing: -0.02em;
  }

  h2 {
    font-size: 20px;
  }
  .foto {
    width: 140px;
    height: 140px;
  }
  .projeto-card {
    text-align: center;
  }
  .projeto-card p {
    max-width: 100%;
  }
  .scroll-animado {
    will-change: auto;
    transition: none;
    opacity: 1;
    transform: none;
  }
}

@media (hover: hover) {
  .projeto-card img:hover {
    box-shadow:
      0 0 25px var(--green-glow-strong),
      0 0 50px var(--green-glow);
    transform: translateY(-4px);
  }

  /* SELO */
  .logo-selo {
    position: fixed;
    bottom: 10px;
    right: 10px;
    background: var(--green-glow);
    color: var(--accent-main);
    padding: 5px 10px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: bold;
    z-index: 999;
  }
}