/* ==========================================================================
   DESIGN SYSTEM & VARIABLES
   ========================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Oswald:wght@500;700&display=swap');

:root {
  /* Colors */
  --bg-primary: #fcfbfa; /* Elegant linen white */
  --bg-secondary: #f4f3f0; /* Slightly darker cream for contrast */
  --text-primary: #121212; /* Deep charcoal black */
  --text-secondary: #565656; /* Subtle slate gray */
  --color-accent: #00875a; /* Vibrant Emerald Green */
  --color-accent-rgb: 0, 135, 90;
  --color-warning: #d97706; /* Amber for In Progress */
  --color-muted: #a3a3a3; /* Neutral gray for planned */
  --border-color: #e5e3df; /* Warm border tone */
  
  /* Fonts */
  --font-display: 'Oswald', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 8rem;

  /* Max Width */
  --container-width: 1200px;
  
  /* Transitions */
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   BASE STYLES
   ========================================================================== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  padding: 0;
  overflow-x: hidden;
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* ==========================================================================
   TYPOGRAPHY
   ========================================================================== */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

p {
  color: var(--text-secondary);
  font-weight: 400;
  text-wrap: pretty;
}

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

/* ==========================================================================
   NAVIGATION
   ========================================================================== */
header.site-header {
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  background-color: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
  z-index: 100;
}

header.site-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.1em;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo::before {
  content: '';
  display: inline-block;
  width: 12px;
  height: 12px;
  background-color: var(--color-accent);
  border-radius: 50%;
}

.nav-links {
  display: flex;
  gap: var(--spacing-md);
  list-style: none;
  font-size: 0.9rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero {
  padding: var(--spacing-lg) 0 0 0;
  border-bottom: 1px solid var(--border-color);
  background-color: #ffffff;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  align-items: end;
}

.hero-content {
  display: flex;
  flex-direction: column;
  padding-bottom: var(--spacing-lg);
}

.hero-title {
  font-size: clamp(3.5rem, 8vw, 6.5rem);
  line-height: 0.85;
  letter-spacing: -0.04em;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
  display: flex;
  flex-direction: column;
}

.hero-subtitle {
  font-size: clamp(0.75rem, 1.5vw, 0.9rem);
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-top: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.hero-value-prop {
  font-size: 1.35rem;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.hero-description {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin-bottom: var(--spacing-md);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-xs);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.8rem;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: 4px;
  transition: var(--transition-smooth);
  gap: 8px;
}

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

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

.btn-secondary {
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  background-color: transparent;
}

.btn-secondary:hover {
  border-color: var(--text-primary);
  background-color: var(--bg-secondary);
  transform: translateY(-2px);
}

/* Hero Metrics row */
.hero-metrics {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--border-color);
}

.hero-metric-item {
  display: flex;
  flex-direction: column;
}

.hero-metric-num {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-accent);
}

.hero-metric-lbl {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-secondary);
  font-weight: 500;
  letter-spacing: 0.05em;
}

/* Profile Photo Circle Frame */
.hero-image-wrapper {
  position: relative;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: flex-end;
}

.hero-image-wrapper::before {
  content: '';
  position: absolute;
  width: min(95%, 480px);
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  background-color: #152827;
  z-index: 1;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
}

.profile-avatar {
  width: 100%;
  max-width: 420px;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--bg-primary);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
  transition: var(--transition-smooth);
}

.profile-avatar-transparent {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 420px;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  border: none;
  box-shadow: none;
  display: block;
  transition: var(--transition-smooth);
}

.profile-avatar-transparent:hover,
.profile-avatar:hover {
  transform: scale(1.02);
}

/* ==========================================================================
   SELECTED PROJECTS SECTION
   ========================================================================== */
.projects-section {
  padding: var(--spacing-lg) 0;
  border-bottom: 1px solid var(--border-color);
}

.section-grid {
  display: grid;
  grid-template-columns: 0.55fr 1.45fr;
  gap: var(--spacing-lg);
}

.section-intro-sticky {
  position: sticky;
  top: var(--spacing-xl);
  height: fit-content;
}

.section-title {
  font-size: 1.75rem;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  display: block;
  width: 40px;
  height: 3px;
  background-color: var(--color-accent);
  margin-top: 10px;
}

.section-description {
  font-size: 0.95rem;
  max-width: 280px;
  margin-bottom: var(--spacing-md);
}

.view-all-link {
  display: inline-flex;
  align-items: center;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  gap: 8px;
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 4px;
}

.view-all-link:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.view-all-link svg {
  transition: var(--transition-smooth);
}

.view-all-link:hover svg {
  transform: translateX(4px);
}

/* Project Cards list (1 Column on feedback suggestion for deep dive case studies) */
.projects-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.project-card {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: var(--spacing-md);
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  padding: var(--spacing-md);
  border-radius: 6px;
  transition: var(--transition-smooth);
}

.project-card:hover {
  border-color: var(--text-primary);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.02);
  transform: translateY(-4px);
}

.project-meta-col {
  display: flex;
  flex-direction: column;
}

.project-number {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 4px;
  margin-bottom: 12px;
}

.project-number span {
  font-weight: 700;
  color: var(--color-accent);
  margin-right: 8px;
}

.project-name {
  font-family: var(--font-display);
  font-size: 1.5rem;
  text-transform: uppercase;
  margin-bottom: 2px;
}

.project-category {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-sm);
}

/* Case Study Blocks (Desafio, Solução, Resultado) */
.project-case-details {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: var(--spacing-xs) 0 var(--spacing-sm) 0;
}

.case-step {
  font-size: 0.85rem;
  line-height: 1.5;
}

.case-step strong {
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  display: inline-block;
  margin-right: 5px;
}

.case-step.desafio strong { color: #c2410c; }
.case-step.solucao strong { color: #0284c7; }
.case-step.resultado strong { color: var(--color-accent); }

.project-git-link {
  margin-top: auto;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.project-git-link:hover {
  color: var(--text-primary);
}

/* Project image wrapper */
.project-image-container {
  width: 100%;
  height: 100%;
  min-height: 280px;
  overflow: hidden;
  border-radius: 4px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
}

.project-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.project-card:hover .project-image {
  transform: scale(1.03);
}

/* ==========================================================================
   REVOPS JOURNEY (TIMELINE) SECTION
   ========================================================================== */
.timeline-section {
  padding: var(--spacing-lg) 0;
  border-bottom: 1px solid var(--border-color);
}

.timeline {
  position: relative;
  max-width: 800px;
  margin: var(--spacing-md) 0 0 0;
  padding-left: var(--spacing-md);
}

/* Vertical line */
.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background-color: var(--border-color);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-sm);
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-marker {
  position: absolute;
  left: calc(-2rem - 5px);
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--color-muted);
  border: 2px solid var(--bg-secondary);
  transition: var(--transition-smooth);
}

.timeline-item.completed .timeline-marker {
  background-color: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(0, 135, 90, 0.2);
}

.timeline-item.in-progress .timeline-marker {
  background-color: var(--color-warning);
  box-shadow: 0 0 0 4px rgba(217, 119, 6, 0.2);
}

.timeline-content {
  background-color: #ffffff;
  padding: 1.25rem;
  border-radius: 6px;
  border: 1px solid var(--border-color);
}

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
  flex-wrap: wrap;
  gap: 8px;
}

.timeline-date {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.timeline-status {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 12px;
}

.timeline-item.completed .timeline-status {
  background-color: rgba(0, 135, 90, 0.1);
  color: var(--color-accent);
}

.timeline-item.in-progress .timeline-status {
  background-color: rgba(217, 119, 6, 0.1);
  color: var(--color-warning);
}

.timeline-item.planned .timeline-status {
  background-color: rgba(163, 163, 163, 0.1);
  color: var(--text-secondary);
}

.timeline-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.timeline-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.timeline-deliverable {
  margin-top: 8px;
  font-size: 0.8rem;
  font-weight: 600;
}

.timeline-deliverable code {
  background-color: rgba(0, 0, 0, 0.05);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: monospace;
}

/* ==========================================================================
   SKILLS & EXPERIENCE SECTION
   ========================================================================== */
.experience-section {
  padding: var(--spacing-lg) 0;
  border-bottom: 1px solid var(--border-color);
}

.experience-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: var(--spacing-lg);
}

.skills-wrapper {
  padding-right: var(--spacing-md);
}

/* Categorized Skills Grid Layout */
.skills-categories-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.skill-category-card {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 1.25rem;
  transition: var(--transition-smooth);
}

.skill-category-card:hover {
  border-color: var(--text-primary);
  transform: translateY(-2px);
}

.skill-cat-title {
  font-family: var(--font-display);
  font-size: 1rem;
  margin-bottom: 12px;
  color: var(--text-primary);
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: 8px;
}

.skill-cat-title svg {
  color: var(--color-accent);
}

.skill-tags-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.skill-tag {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 4px 10px;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 4px;
  transition: var(--transition-smooth);
}

.skill-tag:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* Badge specific tagging */
.skill-tag.badge-completed {
  background-color: rgba(0, 135, 90, 0.05);
  border-color: rgba(0, 135, 90, 0.3);
  color: var(--color-accent);
  font-weight: 600;
}

/* Impact Wrapper */
.impact-wrapper {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.impact-narrative {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin: var(--spacing-sm) 0 var(--spacing-md) 0;
  line-height: 1.6;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-md);
}

.stat-item {
  text-align: left;
}

.stat-number {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 3.5vw, 3rem);
  font-weight: 700;
  line-height: 1;
  color: var(--text-primary);
  margin-bottom: 4px;
}

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

.stat-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  font-weight: 500;
  line-height: 1.3;
}

.quote-card {
  background-color: #ffffff;
  border-left: 4px solid var(--color-accent);
  padding: var(--spacing-md);
  border-radius: 0 4px 4px 0;
  margin-top: auto;
}

.quote-text {
  font-size: 0.95rem;
  font-style: italic;
  color: var(--text-primary);
  margin-bottom: 8px;
  line-height: 1.5;
}

.quote-author {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
}

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */
.contact-section {
  padding: var(--spacing-lg) 0;
  border-bottom: 1px solid var(--border-color);
}

.contact-methods-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: var(--spacing-md);
}

.contact-info-card {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.contact-card-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin-bottom: var(--spacing-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 6px;
}

.contact-info-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.contact-info-list li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  display: flex;
  flex-direction: column;
}

.contact-info-list strong {
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.contact-link {
  color: var(--color-accent);
  font-weight: 500;
  font-size: 1rem;
}

.contact-link:hover {
  color: var(--text-primary);
  text-decoration: underline;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-primary);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  border-radius: 4px;
  transition: var(--transition-smooth);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  background-color: var(--bg-primary);
  box-shadow: 0 0 0 3px rgba(0, 135, 90, 0.1);
}

/* ==========================================================================
   FOOTER (CONTACT)
   ========================================================================== */
footer.site-footer {
  padding: var(--spacing-lg) 0;
  background-color: var(--bg-primary);
  border-top: 1px solid var(--border-color);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-credits {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.footer-socials {
  display: flex;
  gap: var(--spacing-md);
  list-style: none;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-socials a:hover {
  color: var(--color-accent);
}

/* ==========================================================================
   RESPONSIVE MEDIA QUERIES
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid {
    gap: var(--spacing-md);
  }
  .project-card {
    grid-template-columns: 1fr;
    min-height: auto;
  }
  .project-image-container {
    min-height: 240px;
    height: 240px;
  }
}

@media (max-width: 900px) {
  :root {
    --spacing-lg: 3rem;
  }
  
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--spacing-md);
  }
  
  .hero-content {
    align-items: center;
  }
  
  .hero-value-prop {
    max-width: 500px;
    margin: 0 auto var(--spacing-sm) auto;
  }

  .hero-description {
    max-width: 100%;
  }
  
  .hero-image-wrapper {
    order: -1; /* Place image at top on mobile */
    max-width: 300px;
    margin: 0 auto;
  }
  
  .section-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .section-intro-sticky {
    position: relative;
    top: 0;
  }
  
  .section-description {
    max-width: 100%;
  }
  
  .skills-categories-grid {
    grid-template-columns: 1fr;
  }

  .experience-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .skills-wrapper {
    padding-right: 0;
  }

  .contact-methods-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .footer-content {
    flex-direction: column;
    gap: var(--spacing-sm);
    text-align: center;
  }
  .hero-metrics {
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: center;
  }
  .stats-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
    text-align: center;
  }
}