/* ==========================================
VARIÁVEIS DE TEMA
========================================== */
:root {
  --bg: #0d0d0d;
  --bg2: #141414;
  --surface: #1a1a1a;
  --border: #2a2a2a;
  --text: #e8e8e8;
  --muted: #888;
  --accent: #c8ff00;
  --accent2: #00d4ff;
  --font-display: "Syne", sans-serif;
  --font-mono: "Space Mono", monospace;
  --nav-h: 64px;
  --radius: 4px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================
RESET & BASE
========================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.7;
  transition:
    background var(--transition),
    color var(--transition);
}

a {
  color: var(--accent);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

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

section {
  padding: 100px 0;
}

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.section-label::before {
  content: "";
  display: block;
  width: 32px;
  height: 1px;
  background: var(--accent);
}

h2.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 48px;
}

/* ==========================================
BARRA DE NAVEGAÇÃO
========================================== */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-h);
  z-index: 100;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  transition: background var(--transition);
}

.nav-inner {
  width: 100%;
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--text);
  letter-spacing: -0.02em;
}
.nav-logo span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color var(--transition);
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--accent);
  text-decoration: none;
}

.nav-controls {
  display: flex;
  align-items: center;
  gap: 12px;
}

#menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
#menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  transition:
    transform var(--transition),
    opacity var(--transition);
}

/* ==========================================
HERO (Sobre mim)
========================================== */
#sobre {
  padding-top: calc(var(--nav-h) + 80px);
  padding-bottom: 100px;
  position: relative;
  overflow: hidden;
}

#sobre::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.35;
  pointer-events: none;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero-tag {
  display: inline-block;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--accent);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 2px;
  margin-bottom: 24px;
}

h1.hero-name {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 5rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}
h1.hero-name em {
  font-style: normal;
  color: var(--accent);
}

.hero-role {
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 28px;
}

.hero-desc {
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 36px;
}

.hero-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 12px 28px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition:
    transform var(--transition),
    box-shadow var(--transition);
  cursor: pointer;
}
.btn:hover {
  transform: translateY(-2px);
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: #000;
  font-weight: 700;
}
.btn-primary:hover {
  box-shadow: 0 8px 24px rgba(200, 255, 0, 0.35);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.hero-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 32px;
  position: relative;
}
.hero-card::after {
  content: "";
  position: absolute;
  top: -1px;
  left: 32px;
  width: 48px;
  height: 3px;
  background: var(--accent);
  border-radius: 0 0 2px 2px;
}

.hero-card-title {
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 20px;
}

.stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 28px;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}
.stat-label {
  font-size: 11px;
  color: var(--muted);
  margin-top: 4px;
}

.tech-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.pill {
  background: var(--bg2);
  border: 1px solid var(--border);
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 2px;
  color: var(--text);
  letter-spacing: 0.05em;
}

/* Hobbies */
.hobbies {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}
.hobby {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
}
.hobby-icon {
  font-size: 18px;
}

/* ==========================================
FORMAÇÃO
========================================== */
#formacao {
  background: var(--bg2);
}

.timeline {
  position: relative;
  padding-left: 28px;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: var(--border);
}

.timeline-item {
  position: relative;
  margin-bottom: 48px;
}
.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -32px;
  top: 8px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--bg2);
}

.timeline-date {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 6px;
}

.timeline-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.timeline-sub {
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 8px;
}

.timeline-desc {
  color: var(--muted);
  font-size: 13px;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 64px;
}

.card-block {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 28px;
}
.card-block h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--accent);
}

.lang-item {
  margin-bottom: 16px;
}
.lang-header {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  margin-bottom: 6px;
}
.lang-bar {
  height: 3px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}
.lang-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1s cubic-bezier(0.4, 0, 0.2, 1);
}

.course-list {
  list-style: none;
}
.course-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  color: var(--muted);
}
.course-list li:last-child {
  border-bottom: none;
}
.course-list li::before {
  content: "▸";
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 2px;
}

/* ==========================================
PORTFÓLIO / EXPERIÊNCIA
========================================== */
.exp-grid {
  display: grid;
  gap: 24px;
}

.exp-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 28px 32px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 20px;
  align-items: start;
  transition:
    border-color var(--transition),
    transform var(--transition);
}
.exp-card:hover {
  border-color: var(--accent);
  transform: translateX(4px);
}

.exp-company {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 6px;
}
.exp-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.exp-period {
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 12px;
}
.exp-desc {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.8;
}

.exp-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 14px;
}
.tag {
  background: var(--bg);
  border: 1px solid var(--border);
  font-size: 10px;
  padding: 3px 8px;
  border-radius: 2px;
  color: var(--muted);
  letter-spacing: 0.05em;
}

.exp-badge {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 6px 12px;
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.project-links {
  display: flex;
  gap: 10px;
  margin-top: 14px;
}
.project-link {
  font-size: 11px;
  color: var(--accent2);
  letter-spacing: 0.05em;
}
.project-link:hover {
  text-decoration: underline;
}

/* ==========================================
CONTATO
========================================== */
#contato {
  background: var(--bg2);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 64px;
  align-items: start;
}

.contact-info h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 16px;
}
.contact-info p {
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 32px;
}

.contact-list {
  list-style: none;
}
.contact-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  color: var(--muted);
}
.contact-list li:last-child {
  border-bottom: none;
}
.c-icon {
  width: 32px;
  height: 32px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
}

.form-group {
  margin-bottom: 20px;
}

label {
  display: block;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}

input,
textarea {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 12px 16px;
  border-radius: var(--radius);
  outline: none;
  transition: border-color var(--transition);
  resize: vertical;
}
input:focus,
textarea:focus {
  border-color: var(--accent);
}
textarea {
  min-height: 120px;
}

.field-error {
  font-size: 11px;
  color: #ff5f5f;
  margin-top: 4px;
  display: none;
}
.field-error.show {
  display: block;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.modal-overlay.show {
  opacity: 1;
  pointer-events: all;
}
.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 40px 48px;
  text-align: center;
  max-width: 400px;
  width: 90%;
  transform: scale(0.9);
  transition: transform var(--transition);
}
.modal-overlay.show .modal {
  transform: scale(1);
}
.modal-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}
.modal h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.modal p {
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 24px;
}
.modal-close {
  background: var(--accent);
  color: #000;
  border: none;
  padding: 10px 28px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: var(--radius);
  cursor: pointer;
}

/* ==========================================
       RODAPÉ
       ========================================== */
footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 32px 24px;
  text-align: center;
}
footer p {
  font-size: 12px;
  color: var(--muted);
}
footer span {
  color: var(--accent);
}

/* ==========================================
RESPONSIVIDADE
========================================== */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    flex-direction: column;
  }
  .nav-links.open {
    display: flex;
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 24px;
    gap: 24px;
    z-index: 99;
  }
  #menu-toggle {
    display: flex;
  }

  .hero-grid,
  .contact-grid,
  .grid-2 {
    grid-template-columns: 1fr;
  }

  .exp-card {
    grid-template-columns: 1fr;
  }
  .exp-badge {
    width: fit-content;
  }
}