:root {
  --color-bg: #0f1117;
  --color-bg-alt: #161b27;
  --color-surface: #1e2535;
  --color-border: #2a3347;
  --color-text: #e2e8f0;
  --color-muted: #8892a4;
  --color-accent: #3b82f6;
  --color-accent-hover: #2563eb;
  --color-success: #22c55e;
  --color-warning: #f59e0b;

  --font-main: 'Inter', sans-serif;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  --transition: 0.25s ease;

  --container-max: 1100px;
  --nav-height: 82px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
}

body {
  font-family: var(--font-main);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

.container {
  width: 90%;
  max-width: var(--container-max);
  margin: 0 auto;
}

/* ─── BUTTONS ───────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 11px 24px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  font-family: var(--font-main);
  cursor: pointer;
  border: 2px solid transparent;
  transition:
    background var(--transition),
    color var(--transition),
    border-color var(--transition),
    transform var(--transition);
  white-space: nowrap;
  text-decoration: none;
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}
.btn-primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  transform: translateY(-2px);
}

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

.btn-cv {
  background: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
  font-weight: 600;
}
.btn-cv:hover {
  background: var(--color-accent);
  color: #fff;
  transform: translateY(-2px);
}

.btn-small {
  padding: 7px 16px;
  font-size: 0.8rem;
  background: var(--color-accent);
  color: #fff;
  border-radius: var(--radius-sm);
  font-weight: 600;
  cursor: pointer;
  border: 2px solid var(--color-accent);
  font-family: var(--font-main);
  transition:
    background var(--transition),
    transform var(--transition),
    color var(--transition),
    border-color var(--transition);
}
.btn-small:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
}

.btn-ghost-small {
  background: transparent;
  color: var(--color-muted);
  border-color: var(--color-border);
}
.btn-ghost-small:hover {
  color: var(--color-text);
  border-color: var(--color-text);
}

/* ─── CV DROPDOWN ───────────────────────────────────────────
   Funciona assim:
   - .cv-dropdown é o contêiner relativo (âncora do menu)
   - .cv-dropdown-trigger é o botão que o usuário clica
   - .cv-menu é a lista que aparece/some
   - .cv-menu-up faz o menu abrir para CIMA (usado no Hero e Contact)
   - .cv-dropdown.open .cv-menu  torna o menu visível
   - .cv-chevron é a setinha que gira ao abrir
   ─────────────────────────────────────────────────────────── */

.cv-dropdown {
  position: relative;
  display: inline-flex;
}

/* Versão centralizada usada na seção Contact */
.cv-dropdown-center {
  justify-content: center;
}

/* O chevron (setinha) dentro do botão */
.cv-chevron {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

/* Rotaciona a setinha quando o menu está aberto */
.cv-dropdown.open .cv-chevron {
  transform: rotate(180deg);
}

/* O menu suspenso — escondido por padrão */
.cv-menu {
  display: none;
  position: absolute;
  top: calc(100% + 8px);   /* 8px abaixo do botão */
  left: 0;
  min-width: 180px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  z-index: 1500;
  overflow: hidden;
  /* Animação suave de entrada */
  animation: dropdownFadeIn 0.15s ease;
}

/* Menu abre para CIMA (Hero e Contact) */
.cv-menu-up {
  top: auto;
  bottom: calc(100% + 8px);
}

/* Quando o dropdown está aberto, mostra o menu */
.cv-dropdown.open .cv-menu {
  display: block;
}

@keyframes dropdownFadeIn {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Cada opção do menu */
.cv-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 16px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-muted);
  transition: background var(--transition), color var(--transition);
  cursor: pointer;
  white-space: nowrap;
}

.cv-option:hover {
  background: rgba(59, 130, 246, 0.08);
  color: var(--color-text);
}

/* Separador entre as opções */
.cv-menu li + li .cv-option {
  border-top: 1px solid var(--color-border);
}

/* ─── NAVBAR ────────────────────────────── */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  background: rgba(15, 17, 23, 0.85);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition);
}

.navbar.scrolled {
  background: rgba(15, 17, 23, 0.98);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
}

.logo {
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-text);
  transition: color var(--transition);
}
.logo span { color: var(--color-accent); }
.logo:hover { color: var(--color-accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-muted);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--color-text);
  background: var(--color-surface);
}

/* Espaço extra antes do botão de CV na navbar */
.nav-links li:has(.cv-dropdown) {
  margin-left: 0.5rem;
}

/* ─── LANGUAGE SWITCHER ─────────────────── */

.language-switcher {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: 0.5rem;
}

.lang-btn {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-muted);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.75rem;
  font-weight: 700;
  font-family: var(--font-main);
  transition:
    background var(--transition),
    color var(--transition),
    border-color var(--transition);
}
.lang-btn:hover { border-color: var(--color-accent); color: var(--color-text); }
.lang-btn.active { background: var(--color-accent); border-color: var(--color-accent); color: #fff; }

/* ─── MOBILE MENU ───────────────────────── */

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1100;
}
.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.menu-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.menu-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 900;
}
.menu-overlay.active { display: block; }

/* ─── SECTIONS ──────────────────────────── */

.section { padding: 90px 0; }
.section-alt { background: var(--color-bg-alt); }

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 800;
  margin-bottom: 1rem;
  letter-spacing: -0.03em;
}

.section-sub {
  color: var(--color-muted);
  margin-bottom: 2.75rem;
  font-size: 1.02rem;
  max-width: 720px;
  line-height: 1.75;
}

/* ─── HERO ──────────────────────────────── */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-height);
  background: radial-gradient(ellipse at 20% 50%, rgba(59,130,246,0.07) 0%, transparent 60%);
}

.hero-inner { padding: 64px 0 80px; }

.eyebrow {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.hero h1 {
  font-size: clamp(2.35rem, 6vw, 3.9rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.04em;
  margin-bottom: 1.5rem;
}

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

.lead {
  font-size: 1.08rem;
  color: var(--color-muted);
  max-width: 650px;
  margin-bottom: 2.5rem;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

/* ─── ABOUT ─────────────────────────────── */

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}
.about-grid p { color: var(--color-muted); line-height: 1.85; }

/* ─── PROJECTS ──────────────────────────── */

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

.project-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.project-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-accent);
  box-shadow: 0 12px 40px rgba(59,130,246,0.12);
}

.project-image {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--color-bg-alt);
}
.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.project-card:hover .project-image img { transform: scale(1.04); }
.project-image.placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-muted);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
}
.project-image.placeholder::after { content: 'Screenshot coming soon'; }

.project-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  flex: 1;
}

.project-status {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  width: fit-content;
}
.status-progress {
  background: rgba(245,158,11,0.12);
  color: var(--color-warning);
  border: 1px solid rgba(245,158,11,0.25);
}
.status-done {
  background: rgba(34,197,94,0.1);
  color: var(--color-success);
  border: 1px solid rgba(34,197,94,0.2);
}

.project-body h3 { font-size: 1.1rem; font-weight: 800; line-height: 1.35; }

.project-detail strong {
  display: block;
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--color-accent);
  margin-bottom: 3px;
}
.project-detail p { font-size: 0.895rem; color: var(--color-muted); line-height: 1.65; }

.project-tools { display: flex; flex-wrap: wrap; gap: 6px; }
.project-tools span {
  font-size: 0.72rem;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: 20px;
  background: rgba(59,130,246,0.1);
  color: var(--color-accent);
  border: 1px solid rgba(59,130,246,0.2);
}

.project-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: auto;
  padding-top: 0.5rem;
}

/* ─── SKILLS ────────────────────────────── */

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.5rem;
}

.skill-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  transition: border-color var(--transition), transform var(--transition);
}
.skill-card:hover { border-color: var(--color-accent); transform: translateY(-3px); }
.skill-card h3 {
  font-size: 0.85rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: 1rem;
}
.skill-card li {
  font-size: 0.9rem;
  color: var(--color-muted);
  padding: 5px 0;
  border-bottom: 1px solid var(--color-border);
  transition: color var(--transition);
}
.skill-card li:last-child { border-bottom: none; }
.skill-card li:hover { color: var(--color-text); }

/* ─── EXPERIENCE ────────────────────────── */

.timeline {
  position: relative;
  padding-left: 2rem;
  border-left: 2px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  max-width: 700px;
}

.timeline-item { position: relative; }

.timeline-dot {
  position: absolute;
  left: -2.6rem;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 2px solid var(--color-bg-alt);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.2);
}

.timeline-content h3 { font-size: 1rem; font-weight: 800; margin-bottom: 0.25rem; }

.period {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-accent);
  background: rgba(59,130,246,0.1);
  padding: 2px 10px;
  border-radius: 20px;
  margin-bottom: 0.75rem;
}

.timeline-content p { color: var(--color-muted); font-size: 0.9rem; line-height: 1.7; }

/* ─── CONTACT ───────────────────────────── */

.contact-inner { text-align: center; }
.contact-inner .section-sub { margin-left: auto; margin-right: auto; }

.contact-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.contact-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 1.25rem 2rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition), transform var(--transition);
  min-width: 200px;
}
.contact-card:hover { border-color: var(--color-accent); transform: translateY(-3px); }

.contact-label { font-size: 0.72rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-accent); }
.contact-value { font-size: 0.9rem; color: var(--color-text); }

.contact-cv {
  margin-top: 1.5rem;
  display: flex;
  justify-content: center;
}

/* ─── FOOTER ────────────────────────────── */

.footer {
  padding: 2rem 0;
  border-top: 1px solid var(--color-border);
  text-align: center;
}
.footer p { font-size: 0.85rem; color: var(--color-muted); }

/* ─── MODAL ─────────────────────────────── */

.modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 2000;
  align-items: center;
  justify-content: center;
}
.modal.active { display: flex; }

.modal-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,0.72); }

.modal-content {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  max-width: 900px;
  width: 92%;
  z-index: 1;
  max-height: 82vh;
  overflow-y: auto;
}
.modal-content h3 { font-size: 1.25rem; font-weight: 800; margin-bottom: 1rem; }
.modal-content p { color: var(--color-muted); font-size: 0.92rem; line-height: 1.75; margin-bottom: 0.85rem; }

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--color-muted);
  cursor: pointer;
  line-height: 1;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.modal-close:hover { color: var(--color-text); background: var(--color-border); }

.modal-list { margin: 12px 0 24px; padding-left: 18px; color: var(--color-text); list-style: disc; }
.modal-list li { margin-bottom: 6px; }

.modal-gallery { display: grid; gap: 28px; margin-top: 28px; }
.gallery-item h4 { margin-bottom: 12px; color: var(--color-text); font-size: 1rem; font-weight: 800; }
.gallery-item img {
  width: 100%;
  max-height: 420px;
  object-fit: contain;
  border-radius: 14px;
  cursor: pointer;
  border: 1px solid var(--color-border);
  background: #111827;
  transition: transform 0.3s ease, border-color 0.3s ease;
}
.gallery-item img:hover { transform: scale(1.015); border-color: var(--color-accent); }

/* ─── IMAGE ZOOM ────────────────────────── */

.image-overlay {
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
}
.image-overlay-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,0.92); }
.zoomed-image { position: relative; max-width: 92%; max-height: 92%; border-radius: 18px; z-index: 2; }
.image-close {
  position: absolute;
  top: 30px;
  right: 40px;
  background: transparent;
  border: none;
  color: #fff;
  font-size: 42px;
  cursor: pointer;
  z-index: 3;
}

/* ─── REVEAL ────────────────────────────── */

.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.55s ease, transform 0.55s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ─── RESPONSIVE — TABLET ───────────────── */

@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .nav-links { gap: 0.1rem; }
  .nav-links a { padding: 6px 9px; }
}

/* ─── RESPONSIVE — MOBILE ───────────────── */

@media (max-width: 768px) {

  /* Menu lateral mobile */
  .nav-links {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
    position: fixed;
    top: 0;
    right: 0;
    width: 280px;
    height: 100dvh;
    background: var(--color-surface);
    border-left: 1px solid var(--color-border);
    padding: 5.5rem 1.5rem 2rem;
    z-index: 1000;
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
  }
  .nav-links.open { transform: translateX(0); }

  .nav-links a {
    font-size: 1rem;
    padding: 10px 12px;
    width: 100%;
    border-radius: var(--radius-sm);
  }

  /* CV dropdown no menu mobile — ocupa largura total */
  .nav-links li:has(.cv-dropdown) {
    margin-left: 0;
    margin-top: 0.5rem;
    width: 100%;
  }
  .nav-links .cv-dropdown {
    width: 100%;
  }
  .nav-links .cv-dropdown-trigger {
    width: 100%;
    justify-content: space-between;
  }
  /* No mobile, menu do dropdown abre para baixo mesmo */
  .nav-links .cv-menu {
    top: calc(100% + 4px);
    bottom: auto;
    left: 0;
    right: 0;
    min-width: 100%;
  }

  .language-switcher {
    margin-left: 0;
    margin-top: 0.5rem;
  }

  .menu-toggle { display: flex; }

  .hero-inner { padding: 56px 0 70px; }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-actions .btn,
  .hero-actions .cv-dropdown {
    width: 100%;
  }
  .hero-actions .cv-dropdown-trigger {
    width: 100%;
    justify-content: space-between;
  }
  /* Hero: dropdown abre para baixo no mobile */
  .hero-actions .cv-menu-up {
    top: calc(100% + 4px);
    bottom: auto;
  }

  .section { padding: 60px 0; }

  .contact-links { flex-direction: column; align-items: center; }
  .contact-card { width: 100%; max-width: 340px; }

  /* Contact: dropdown ocupa largura total */
  .contact-cv .cv-dropdown { width: 100%; max-width: 340px; }
  .contact-cv .cv-dropdown-trigger { width: 100%; justify-content: space-between; }
  .contact-cv .cv-menu { left: 0; right: 0; min-width: 100%; }

  .project-actions .btn,
  .project-actions a { width: 100%; justify-content: center; }

  .modal-content { padding: 2rem 1.25rem; width: 94%; max-height: 84vh; }
  .gallery-item img { max-height: 320px; }
}