/* ── Design Tokens ──────────────────────────────────────────────── */
:root {
  /* Light theme (default) */
  --cor1: #ebf4dd;
  --cor2: #90ab8b;
  --cor3: #5a7863;
  --cor4: #3b4953;

  --bg-primary:   var(--cor1);
  --bg-secondary: #ffffff;
  --bg-header:    var(--cor2);
  --bg-footer:    var(--cor2);
  --bg-form:      #ffffff;

  --text-primary:  var(--cor4);
  --text-heading:  var(--cor3);
  --text-footer:   var(--cor4);
  --text-nav:      var(--cor4);

  --border-section: rgba(0, 0, 0, 0.05);
  --shadow-form:    0 4px 10px rgba(0, 0, 0, 0.1);
  --shadow-header:  0 2px 5px rgba(0, 0, 0, 0.1);

  --btn-gradient: linear-gradient(135deg, var(--cor3), var(--cor4));
  --btn-text:     var(--cor1);

  --toggle-bg:     var(--cor4);
  --toggle-color:  var(--cor1);

  --transition: 0.35s ease;
}

/* ── Dark Theme ─────────────────────────────────────────────────── */
[data-theme="dark"] {
  --bg-primary:   #1b2a24;
  --bg-secondary: #22352c;
  --bg-header:    #152019;
  --bg-footer:    #152019;
  --bg-form:      #22352c;

  --text-primary:  #d4e8ca;
  --text-heading:  #8ecf9b;
  --text-footer:   #a0bfa8;
  --text-nav:      #d4e8ca;

  --border-section: rgba(255, 255, 255, 0.05);
  --shadow-form:    0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-header:  0 2px 8px rgba(0, 0, 0, 0.4);

  --btn-gradient: linear-gradient(135deg, #3d7a52, #2a4a38);
  --btn-text:     #d4e8ca;

  --toggle-bg:    #8ecf9b;
  --toggle-color: #1b2a24;
}

/* ── Global Reset / Base ────────────────────────────────────────── */
*, *::before, *::after {
  transition:
    background-color var(--transition),
    color            var(--transition),
    border-color     var(--transition),
    box-shadow       var(--transition);
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  line-height: 1.6;
}

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

h1, h2, h3 {
  color: var(--text-heading);
}

img {
  max-width: 200px;
  margin: 1rem 0;
}

/* ── Header & Nav ───────────────────────────────────────────────── */
header {
  background-color: var(--bg-header);
  padding: 1rem;
  box-shadow: var(--shadow-header);
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.nav-container {
  display: block;
  flex: 1;
}

.menu-toggle {
  display: none;
  font-size: 1.8rem;
  text-align: center;
  cursor: pointer;
  color: var(--text-nav);
}

summary {
  list-style: none;
}

summary::-webkit-details-marker {
  display: none;
}

.head-navbar {
  display: flex;
  justify-content: center;
  gap: 2rem;
}

.head-navbar-item a {
  font-weight: bold;
  padding: 5px;
  color: var(--text-nav);
  transition: color var(--transition);
}

.head-navbar-item a:hover {
  color: var(--text-heading);
}

/* ── Theme Toggle Button ────────────────────────────────────────── */
#theme-toggle {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background-color: var(--toggle-bg);
  color: var(--toggle-color);
  font-size: 1.1rem;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
  /* sobrescreve o seletor global para que a troca de ícone pareça instantânea */
  transition:
    background-color var(--transition),
    color            var(--transition),
    transform 0.2s ease;
  margin-right: 2rem;
}

#theme-toggle:hover {
  transform: scale(1.12) rotate(15deg);
}

#theme-toggle:active {
  transform: scale(0.95);
}

/* ── Sections ───────────────────────────────────────────────────── */
#home          { background-color: var(--bg-primary);   }
#sobre         { background-color: var(--bg-secondary); }
#projetos      { background-color: var(--bg-primary);   }
#habilidades   { background-color: var(--bg-secondary); }
#mais-informacoes { background-color: var(--bg-primary); }

section {
  margin-bottom: 2rem;
  min-height: calc(100vh - 80px);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 2rem;
  scroll-margin-top: 80px;
  border-bottom: 1px solid var(--border-section);
}

/* ── Main Content ───────────────────────────────────────────────── */
.main-content {
  max-width: 800px;
  margin: 2rem auto;
  padding: 0 1rem;
  margin-top: 80px;
}

.main-content-presentation {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  padding: 3rem;
  text-align: center;
}

.main-content-infos-my-image img {
  max-width: 200px;
  border-radius: 50%;
}

.main-content-presentation-infos-about-me {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.main-content-presentation-infos-about-me-name {
  color: var(--text-heading);
}

.main-content-presentation-info-links {
  display: flex;
  justify-content: center;
  gap: 20px;
}

.main-content-presentation-info-links-link {
  display: inline-flex;
  align-items: center;
  padding: 0.75rem 1.4rem;
  border-radius: 50px;
  background: var(--btn-gradient);
  color: var(--btn-text);
  font-weight: bold;
  letter-spacing: 0.05rem;
  transition: all 0.3s ease;
  gap: 0.7rem;
}

.main-content-presentation-info-links-link img {
  width: 16px;
  height: 16px;
  filter: invert(1);
}

.main-content-presentation-info-links-link:hover {
  transform: scale(1.05);
  opacity: 0.9;
}

/* ── Skills ─────────────────────────────────────────────────────── */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1.5rem;
  width: 100%;
  max-width: 600px;
}

.skill-category {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-section);
  border-radius: 8px;
  padding: 1rem;
}

[data-theme="dark"] .skill-category {
  background-color: #1b2a24;
  border-color: rgba(255,255,255,0.08);
}

.skill-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.skill-list li {
  padding: 0.3rem 0;
  border-bottom: 1px solid var(--border-section);
}

.skill-list li:last-child {
  border-bottom: none;
}

/* ── Form ───────────────────────────────────────────────────────── */
footer {
  text-align: center;
  padding: 1rem;
  background-color: var(--bg-footer);
  margin-top: 2rem;
  color: var(--text-footer);
}

form {
  background-color: var(--bg-form);
  padding: 2rem;
  border-radius: 16px;
  box-shadow: var(--shadow-form);
  width: 100%;
  max-width: 500px;
   border-top: 4px solid var(--cor3); 
  position: relative;                
}

form::before {                      
  content: 'Entre em contato';
  display: block;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-heading);
  margin-bottom: 1.8rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--border-section);
}

form label {
  display: block;
  margin-bottom: 0.3rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;  
  color: var(--cor3);
  transition: color var(--transition);
}

form input,
form textarea {
  width: 100%;
  padding: 0.55rem 0.2rem;
  margin-bottom: 1.4rem;
  font-size: 1rem;
  color: var(--text-primary);
  background-color: transparent;   
  box-sizing: border-box;

  border: none;                     
  border-bottom: 2px solid var(--cor2); 
  border-radius: 0;                
  outline: none;

  transition:
    border-color 0.25s ease,
    box-shadow   0.25s ease;
}

form input:focus,
form textarea:focus {
  border-bottom-color: var(--cor3);
  box-shadow: 0 3px 0 -1px color-mix(in srgb, var(--cor3) 20%, transparent);
}

form textarea {
  resize: vertical;
  min-height: 100px;
  line-height: 1.5;
}

form input[type="radio"],
form input[type="checkbox"] {
  /* esconde o nativo */
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  margin: 0 8px 0 0;
  vertical-align: middle;
  cursor: pointer;
  border: 2px solid var(--cor2);
  background-color: transparent;
  transition: border-color 0.2s, background-color 0.2s;
  flex-shrink: 0;
  position: relative;
  top: -1px;
}

form input[type="radio"] {
  border-radius: 50%;
}
 
form input[type="checkbox"] {
  border-radius: 4px;
}
 
form input[type="radio"]:checked,
form input[type="checkbox"]:checked {
  background-color: var(--cor3);
  border-color: var(--cor3);
}
 
form input[type="checkbox"]:checked::after {
  content: '';
  display: block;
  width: 4px;
  height: 8px;
  border: 2px solid #fff;
  border-top: none;
  border-left: none;
  transform: rotate(45deg) translate(2px, -1px);
}
 
form input[type="radio"]:checked::after {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  background: #fff;
  border-radius: 50%;
  margin: 4px auto 0;
}
 
form input[type="radio"] + label,
form input[type="checkbox"] + label {
  display: inline;
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
  color: var(--text-primary);
  cursor: pointer;
  vertical-align: middle;
}
 
form input[type="submit"] {
  display: block;
  width: 100%;
  margin-top: 0.5rem;
  padding: 0.85rem 1.4rem;
  border-radius: 8px;
  background: var(--btn-gradient);
  color: var(--btn-text);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition:
    transform  0.2s ease,
    opacity    0.2s ease,
    box-shadow 0.2s ease;
}
 
form input[type="submit"]:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px color-mix(in srgb, var(--cor3) 35%, transparent);
}
 
form input[type="submit"]:active {
  transform: translateY(0);
  opacity: 0.9;
}
.step {
  display: none;
}

.step.active {
  display: block;
}

/* ── Responsive ─────────────────────────────────────────────────── */
@media (max-width: 768px) {

  header {
    padding: 0.5rem;
  }

  .menu-toggle {
    display: block;
  }

  .head-navbar {
    display: none;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-header);
    padding: 1rem 0;
  }

  .nav-container[open] .head-navbar {
    display: flex;
  }

  .head-navbar-item {
    width: 100%;
    text-align: center;
  }

  .head-navbar-item a {
    display: block;
    width: 100%;
    padding: 10px;
  }

  .main-content {
    margin-top: 60px;
  }

  .main-content-presentation {
    flex-direction: column;
  }

  .main-content-presentation-info-links {
    flex-direction: column;
    align-items: center;
    width: 100%;
  }

  .main-content-presentation-info-links-link {
    width: 80%;
    justify-content: center;
  }

  section {
    min-height: auto;
  }
}

/* ── Form Validation States ─────────────────────────────────────── */

.field-group {
  position: relative;
  margin-bottom: 0.4rem;
}

/* Linha de erro abaixo do campo */
.field-error-msg {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: #c0392b;
  margin-top: -0.8rem;
  margin-bottom: 1rem;
  padding-left: 0.2rem;
  animation: slideDown 0.2s ease;
}

[data-theme="dark"] .field-error-msg {
  color: #ff7f7f;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Estado de erro — borda vermelha */
.field-error input,
.field-error textarea {
  border-bottom-color: #c0392b !important;
}

[data-theme="dark"] .field-error input,
[data-theme="dark"] .field-error textarea {
  border-bottom-color: #ff7f7f !important;
}

/* Estado de sucesso — borda verde */
.field-success input,
.field-success textarea {
  border-bottom-color: var(--cor3) !important;
}

/* Ícone de check no campo com sucesso */
.field-success input:not([type="radio"]):not([type="checkbox"]):not([type="date"]):not([type="submit"])::after,
.field-success textarea::after {
  content: '✓';
}

/* Radio group layout */
.radio-group {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  padding: 0.4rem 0 1rem;
}

.radio-group label {
  display: inline;
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
  color: var(--text-primary);
  cursor: pointer;
}

/* Checkbox group layout */
.field-group-checkbox {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1.4rem;
}

.field-group-checkbox label {
  display: inline;
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
  color: var(--text-primary);
  cursor: pointer;
  margin-bottom: 0;
}

/* Erro em grupos sem input direto (radio, checkbox) */
.field-group-genero.field-error .radio-group,
.field-group-checkbox.field-error {
  outline: 1px dashed #c0392b;
  outline-offset: 6px;
  border-radius: 4px;
}

[data-theme="dark"] .field-group-genero.field-error .radio-group,
[data-theme="dark"] .field-group-checkbox.field-error {
  outline-color: #ff7f7f;
}

/* Tela de sucesso pós-envio */
.form-success-message {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 3rem 2rem;
  text-align: center;
  animation: slideDown 0.4s ease;
}

.form-success-message i {
  font-size: 3rem;
  color: var(--cor3);
}

.form-success-message p {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-heading);
  margin: 0;
}

.form-success-message span {
  font-size: 0.95rem;
  color: var(--text-primary);
  opacity: 0.8;
}