/* ===== Variáveis e Reset ===== */
:root {
  --color-primary: #0a4d8c;
  --color-primary-dark: #083a6b;
  --color-primary-light: #1565c0;
  --color-accent: #1e88e5;
  --color-accent-soft: #e8f4fc;
  --color-bg: #f8fafc;
  --color-bg-alt: #ffffff;
  --color-text: #1a2332;
  --color-text-muted: #5c6b7a;
  --color-border: #e2e8f0;
  --font-sans: 'DM Sans', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --transition: 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-primary-dark);
}

ul {
  list-style: none;
}

/* ===== Acessibilidade ===== */
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-lg);
  z-index: 1000;
  padding: var(--space-md) var(--space-lg);
  background: var(--color-primary);
  color: white;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: top var(--transition);
}

.skip-link:focus {
  top: var(--space-lg);
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* ===== Utilitários ===== */
.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section__title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-xl);
  position: relative;
}

.section__title::after {
  content: '';
  display: block;
  width: 48px;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
  border-radius: 2px;
  margin-top: var(--space-sm);
}

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1002;
  background: rgba(250, 251, 252, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav__logo {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-primary);
}

.nav__menu {
  display: flex;
  gap: var(--space-xl);
}

.nav__menu a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text);
}

.nav__menu a:hover {
  color: var(--color-primary);
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
}

.nav__toggle-bar {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 1px;
  transition: var(--transition);
}

.nav__overlay {
  display: none;
}

.nav__drawer {
  display: none;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 64px;
  padding-bottom: var(--space-3xl);
  background: linear-gradient(160deg, var(--color-accent-soft) 0%, var(--color-bg-alt) 40%, var(--color-bg) 100%);
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%230a4d8c' fill-opacity='0.04'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3Ccircle cx='0' cy='0' r='1.5'/%3E%3Ccircle cx='60' cy='60' r='1.5'/%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}
.hero__wrapper {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--space-2xl);
  align-items: center;
}
@media (min-width: 900px) {
  .hero__wrapper {
    grid-template-columns: 1fr 380px;
  }
  .hero__content .hero__subtitle {
    margin-left: 0;
    margin-right: 0;
  }
  .hero__content .hero__actions {
    justify-content: flex-start;
  }
}
.hero__content {
  position: relative;
  text-align: center;
}
@media (min-width: 900px) {
  .hero__content {
    text-align: left;
  }
}
.hero__visual {
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero__avatar {
  display: block;
  max-width: 280px;
  width: 100%;
  height: auto;
}

.hero__greeting {
  font-size: 1rem;
  color: var(--color-primary);
  font-weight: 500;
  margin-bottom: var(--space-sm);
}

.hero__title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
}

.hero__subtitle {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 560px;
  margin: 0 auto var(--space-md);
}

.hero__tagline {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--color-primary);
  margin-bottom: var(--space-xl);
}

.hero__actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

.hero__scroll {
  position: absolute;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
}

.hero__scroll-text {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.hero__scroll-indicator {
  width: 24px;
  height: 40px;
  border: 2px solid var(--color-border);
  border-radius: 12px;
  position: relative;
}

.hero__scroll-indicator::before {
  content: '';
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background: var(--color-primary);
  border-radius: 2px;
  animation: scroll-bounce 2s infinite;
}

@keyframes scroll-bounce {
  0%, 100% { opacity: 1; transform: translateX(-50%) translateY(0); }
  50% { opacity: 0.5; transform: translateX(-50%) translateY(8px); }
}

/* ===== Botões ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md) var(--space-xl);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition);
  cursor: pointer;
}

.btn--primary {
  background: var(--color-primary);
  color: white;
  border: 2px solid var(--color-primary);
}

.btn--primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: white;
}

.btn--secondary {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn--secondary:hover {
  background: var(--color-primary);
  color: white;
}

/* ===== Sobre ===== */
.about {
  padding: var(--space-3xl) 0;
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
}

.about__content {
  max-width: 720px;
}

.about__text {
  margin-bottom: var(--space-lg);
  color: var(--color-text-muted);
}

.about__text:last-of-type {
  margin-bottom: var(--space-xl);
}

.about__linkedin {
  display: inline-block;
  font-size: 0.95rem;
  font-weight: 500;
  margin-top: var(--space-md);
}

/* ===== Habilidades ===== */
.skills {
  padding: var(--space-3xl) 0;
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
}

.skills__grid {
  display: grid;
  gap: var(--space-xl);
}

@media (min-width: 640px) {
  .skills__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.skill-category {
  padding: var(--space-xl);
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), border-color var(--transition);
}
.skill-category:hover {
  border-color: rgba(10, 77, 140, 0.2);
  box-shadow: 0 2px 8px rgba(10, 77, 140, 0.06);
}

.skill-category__title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-md);
}

.skill-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.skill-list li {
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* ===== Projetos ===== */
.projects {
  position: relative;
  padding: var(--space-3xl) 0;
  background: var(--color-bg);
}
.projects::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='24' height='24' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%230a4d8c' fill-opacity='0.03'%3E%3Ccircle cx='12' cy='12' r='1'/%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}

.projects .container {
  position: relative;
  z-index: 1;
}
.projects__grid {
  display: grid;
  gap: var(--space-lg);
}

@media (min-width: 640px) {
  .projects__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.project-card {
  position: relative;
  padding: var(--space-xl);
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), border-color var(--transition);
}

.project-card:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(10, 77, 140, 0.15);
}

.project-card__image-link {
  display: block;
  margin: calc(var(--space-xl) * -1) calc(var(--space-xl) * -1) var(--space-md);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  overflow: hidden;
  background: var(--color-bg);
}

.project-card__image {
  width: 100%;
  height: 180px;
  object-fit: cover;
  object-position: top center;
}

.project-card__image-link .project-card__image {
  height: 260px;
  object-fit: cover;
  object-position: top center;
  padding: 0;
}

.project-card--contain .project-card__image-link .project-card__image {
  object-fit: contain;
  background: var(--color-bg);
}

/* Layout horizontal para projetos mobile */
.project-card--mobile {
  display: flex;
  flex-direction: row;
  gap: var(--space-lg);
  align-items: flex-start;
}

.project-card--mobile .project-card__media {
  flex-shrink: 0;
  width: 160px;
}

.project-card--mobile .project-card__media .project-card__image-link {
  margin: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  display: block;
  background: linear-gradient(135deg, #f8f9fc 0%, #eef1f6 100%);
}

.project-card--mobile .project-card__media .project-card__image {
  height: 280px;
  width: 100%;
  object-fit: contain;
  object-position: top center;
  padding: 0;
}

.project-card--mobile .project-card__content {
  flex: 1;
  min-width: 0;
}

.project-card--mobile .project-card__header {
  margin-bottom: var(--space-sm);
}

.project-card--mobile .project-card__description {
  margin-bottom: var(--space-sm);
}

@media (max-width: 480px) {
  .project-card--mobile {
    flex-direction: column;
  }

  .project-card--mobile .project-card__media {
    width: 100%;
  }

  .project-card--mobile .project-card__media .project-card__image {
    height: 200px;
  }
}

.project-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
  flex-wrap: wrap;
}

.project-card__title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text);
}

.project-card__badge {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--color-primary);
  padding: var(--space-xs) var(--space-sm);
  background: rgba(10, 77, 140, 0.08);
  border-radius: var(--radius-sm);
}

.project-card__description {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.project-card__closed-label {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  font-size: 0.7rem;
  font-family: var(--font-mono);
  color: var(--color-primary);
  padding: var(--space-xs) var(--space-sm);
  background: #e7edf4;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(10, 77, 140, 0.25);
  z-index: 1;
  pointer-events: none;
  font-weight: 500;
}

.project-card__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.project-card__link {
  font-size: 0.9rem;
  font-weight: 500;
}

/* ===== Experiência ===== */
.experience {
  padding: var(--space-3xl) 0;
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
}

.timeline {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xl);
}

.timeline__item {
  padding: var(--space-xl);
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.timeline__period {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
}

.timeline__role {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

.timeline__company {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.timeline__achievements {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.timeline__achievements li {
  position: relative;
  padding-left: var(--space-lg);
  margin-bottom: var(--space-sm);
}

.timeline__achievements li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 500;
}

/* ===== Contato ===== */
.contact {
  padding: var(--space-3xl) 0;
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
}

.contact__text {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.contact__location {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xl);
}

.contact__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
}

.contact__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  font-weight: 500;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}

.contact__link:hover {
  border-color: var(--color-primary);
  background: var(--color-accent-soft);
  box-shadow: 0 2px 8px rgba(10, 77, 140, 0.08);
}

.contact__link-icon {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--color-primary);
}

.contact__link-icon--img {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* ===== Footer ===== */
.footer {
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--color-border);
}

.footer__text {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  text-align: center;
}

/* ===== Mobile ===== */
@media (max-width: 767px) {
  .nav__menu--desktop {
    display: none;
  }

  .nav__overlay {
    display: block;
    position: fixed;
    inset: 0;
    top: 64px;
    background: rgba(26, 35, 50, 0.7);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--transition), visibility var(--transition);
    z-index: 1000;
  }

  .nav__overlay.is-visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .nav__drawer {
    display: block;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-bg-alt);
    padding: var(--space-xl);
    padding-bottom: max(var(--space-xl), env(safe-area-inset-bottom));
    transform: translateX(-100%);
    transition: transform var(--transition);
    z-index: 1001;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  .nav__drawer.is-open {
    transform: translateX(0);
  }

  .nav__drawer-menu {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    list-style: none;
    padding: 0;
    margin: 0;
  }

  .nav__drawer-menu a {
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--color-text);
    padding: var(--space-md) 0;
    display: block;
  }

  .nav__drawer-menu a:hover {
    color: var(--color-primary);
  }

  .nav__toggle {
    display: flex;
    justify-content: center;
    align-items: center;
  }

  .nav__toggle.is-active .nav__toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .nav__toggle.is-active .nav__toggle-bar:nth-child(2) {
    opacity: 0;
  }

  .nav__toggle.is-active .nav__toggle-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .hero__scroll {
    display: none;
  }

  /* Mini Samilis menor no mobile */
  .hero__avatar {
    max-width: 180px;
  }

  /* Reduz espaço entre hero e próxima seção */
  .hero {
    padding-bottom: var(--space-xl);
  }

  .hero__wrapper {
    gap: var(--space-lg);
  }

  /* SISGECOM: corta a imagem no mobile */
  .project-card--contain .project-card__image-link .project-card__image {
    object-fit: cover;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

/* Área mínima de toque para dispositivos móveis (44x44px - WCAG 2.5.5) */
@media (pointer: coarse) {
  .nav__toggle {
    min-height: 44px;
    min-width: 44px;
  }
  .btn {
    min-height: 44px;
    padding: var(--space-md) var(--space-xl);
  }
  .contact__link {
    min-height: 44px;
    padding: var(--space-md) var(--space-lg);
  }
  .project-card__link {
    min-height: 44px;
    padding: var(--space-sm) 0;
    display: inline-flex;
    align-items: center;
  }
  .nav__menu a,
  .nav__drawer-menu a {
    min-height: 44px;
    padding: var(--space-md) 0;
    display: inline-flex;
    align-items: center;
  }
}