/*
 * marcos.miotto.dev — portfólio
 * Identidade: dark grafite esverdeado + acento verde-lima (#c6ff3d),
 * tipografia Inter (leitura) + JetBrains Mono (labels/código),
 * estética de engenharia: grid sutil, labels de terminal, bordas visíveis.
 *
 * Organização:
 *   1. Tokens (custom properties)
 *   2. Reset e base
 *   3. Utilitários (container, labels, reveal)
 *   4. Header / navegação
 *   5. Hero
 *   6. Projetos
 *   7. Stack
 *   8. Sobre
 *   9. Contato / rodapé
 *  10. Media queries (mobile-first: min-width)
 */

/* ---------- 1. Tokens ---------- */
:root {
  color-scheme: dark;

  --bg: #0e1210;          /* grafite quase-preto, tom esverdeado */
  --surface: #141a16;     /* cards e superfícies elevadas */
  --surface-2: #1a221d;   /* hover / blocos internos */
  --border: #26302a;      /* bordas visíveis, baixa ênfase */
  --text: #e8ede9;        /* texto principal */
  --muted: #9aa69d;       /* texto secundário */
  --accent: #c6ff3d;      /* verde-lima — links, labels, foco */
  --accent-soft: rgba(198, 255, 61, 0.12);

  --font-sans: "Inter", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "Cascadia Code", monospace;

  --radius: 10px;
  --container: 1080px;
}

/* ---------- 2. Reset e base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem; /* âncoras não ficam sob o header fixo */
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg);
  /* Grid de engenharia sutil sobre o fundo */
  background-image:
    linear-gradient(rgba(198, 255, 61, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(198, 255, 61, 0.025) 1px, transparent 1px);
  background-size: 48px 48px;
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img,
svg {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--accent);
}

/* Foco visível e consistente para navegação por teclado */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

::selection {
  background: var(--accent);
  color: var(--bg);
}

/* ---------- 3. Utilitários ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 1.25rem;
}

/* Link "pular para o conteúdo" — visível apenas ao receber foco */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 100;
  padding: 0.6rem 1rem;
  background: var(--accent);
  color: var(--bg);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-decoration: none;
  border-radius: 0 0 var(--radius) var(--radius);
}

.skip-link:focus {
  top: 0;
}

/* Label de seção no estilo terminal: "// 01. projetos" */
.section-label {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--accent);
  text-transform: lowercase;
  margin-bottom: 0.5rem;
}

.section-label::before {
  content: "// ";
  color: var(--muted);
}

.section-title {
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 2rem;
}

section {
  padding-block: 4rem;
}

/* Animação de entrada (desativada via prefers-reduced-motion no JS e abaixo) */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ---------- 4. Header / navegação ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(14, 18, 16, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 3.75rem;
}

.brand {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
  white-space: nowrap;
}

.brand span {
  color: var(--accent);
}

.site-nav ul {
  display: flex;
  gap: 1.25rem;
  list-style: none;
}

.site-nav a {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.15s ease;
}

.site-nav a:hover {
  color: var(--accent);
}

/* ---------- 5. Hero ---------- */
.hero {
  padding-block: 5.5rem 4.5rem;
}

.hero-prompt {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--muted);
  margin-bottom: 1rem;
}

.hero-prompt .prompt-symbol {
  color: var(--accent);
}

/* Cursor de terminal piscando após o comando */
.hero-prompt .cursor {
  display: inline-block;
  width: 0.55em;
  height: 1.1em;
  background: var(--accent);
  vertical-align: text-bottom;
  margin-left: 2px;
  animation: blink 1.1s steps(1) infinite;
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-prompt .cursor {
    animation: none;
  }
}

.hero h1 {
  font-size: clamp(2.2rem, 7vw, 3.6rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 1rem;
}

.hero-positioning {
  font-size: clamp(1.05rem, 2.5vw, 1.3rem);
  color: var(--muted);
  max-width: 38rem;
  margin-bottom: 1.5rem;
}

.hero-positioning strong {
  color: var(--text);
  font-weight: 600;
}

/* Badges de domínio: aws · gcp · serverless · mobile */
.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  margin-bottom: 2.25rem;
}

.hero-tags li {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid transparent;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.btn {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.btn--primary {
  background: var(--accent);
  color: var(--bg);
}

.btn--primary:hover {
  transform: translateY(-2px);
}

.btn--ghost {
  color: var(--text);
  border: 1px solid var(--border);
}

.btn--ghost:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

/* ---------- 6. Projetos ---------- */
.projects-grid {
  display: grid;
  gap: 1.5rem;
}

.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: border-color 0.2s ease;
}

.project-card:hover {
  border-color: var(--accent);
}

.project-header {
  margin-bottom: 1.25rem;
}

.project-name {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.project-tagline {
  color: var(--muted);
  font-size: 0.98rem;
  margin-top: 0.25rem;
}

.project-block {
  margin-bottom: 1.1rem;
}

.project-block-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.3rem;
}

.project-block-text {
  color: var(--muted);
  font-size: 0.95rem;
}

.project-diagram {
  margin-block: 1.25rem;
  padding: 1rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow-x: auto; /* diagrama largo rola dentro do card, não na página */
}

.project-diagram img {
  min-width: 560px; /* preserva a legibilidade do SVG em telas estreitas */
  margin-inline: auto;
}

.stack-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  margin-block: 1.1rem 1.25rem;
}

.pill {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text);
  background: var(--surface-2);
  border: 1px solid var(--border);
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
}

.project-links {
  display: flex;
  gap: 1.25rem;
}

.project-link {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--accent);
  text-decoration: none;
}

.project-link::before {
  content: "→ ";
}

.project-link:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* Grade dos cards compactos */
.projects-grid--compact {
  grid-template-columns: 1fr;
}

.project-card--compact .project-name {
  font-size: 1.1rem;
}

.project-card--compact .project-tagline {
  margin-bottom: 0.75rem;
}

.subsection-title {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  color: var(--muted);
  margin-block: 2.5rem 1.25rem;
}

/* ---------- 7. Stack ---------- */
.stack-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.stack-category {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem;
}

.stack-category h3 {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.9rem;
}

.stack-category ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* ---------- 8. Sobre ---------- */
.about-text {
  max-width: 42rem;
  color: var(--muted);
  font-size: 1.05rem;
}

.about-text + .about-text {
  margin-top: 1rem;
}

.about-text strong {
  color: var(--text);
  font-weight: 600;
}

/* ---------- 9. Contato / rodapé ---------- */
.contact-intro {
  color: var(--muted);
  max-width: 38rem;
  margin-bottom: 2rem;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  list-style: none;
}

.contact-links a {
  display: inline-flex;
  align-items: baseline;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--text);
  text-decoration: none;
}

.contact-links a:hover {
  color: var(--accent);
}

.contact-links .contact-kind {
  color: var(--accent);
  font-size: 0.8rem;
  min-width: 5.5rem;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding-block: 2rem;
  margin-top: 2rem;
}

.site-footer p {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--muted);
}

/* ---------- 10. Media queries (mobile-first) ---------- */
@media (min-width: 640px) {
  .projects-grid--compact {
    grid-template-columns: repeat(2, 1fr);
  }

  .stack-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .projects-grid--compact {
    grid-template-columns: repeat(3, 1fr);
  }

  .stack-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .project-card--featured {
    padding: 2.25rem;
  }
}