/* ==========================================================================
   Jose Campos — Portfolio Stylesheet
   Aesthetic: warm brown paper / engineer notebook
   ========================================================================== */

/* --------------------------------------------------------------------------
   CUSTOM PROPERTIES
   -------------------------------------------------------------------------- */
:root {
  /* Brown paper palette */
  --bg:           #f5ede0;   /* warm off-brown / parchment */
  --bg-section:   #efe5d4;   /* slightly deeper for alternating sections */
  --bg-card:      #f9f3e8;   /* card surface, a touch lighter */
  --text:         #2a1a08;   /* deep espresso — primary text */
  --text-muted:   #6b5540;   /* warm mid-brown — secondary text */
  --text-faint:   #9c836a;   /* light warm brown — captions, meta */
  --accent:       #7a3f1c;   /* burnt sienna — links, highlights */
  --accent-hover: #5c2d10;   /* darker rust on hover */
  --tag-bg:       #d4c3a0;   /* muted tan for tags */
  --tag-text:     #4a3320;   /* dark brown tag text */
  --border:       #c8b596;   /* warm tan border */
  --border-light: #d8c9aa;   /* lighter divider */
  --nav-bg:       #2a1a08;   /* deep espresso nav */
  --nav-text:     #e8dcc8;   /* cream nav text */
  --nav-accent:   #c8956a;   /* warm clay nav highlight */

  --font-serif:   'Lora', Georgia, 'Times New Roman', serif;
  --font-sans:    'Inter', system-ui, -apple-system, sans-serif;
  --max-width:    860px;
  --section-gap:  90px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

/* --------------------------------------------------------------------------
   TYPOGRAPHY
   -------------------------------------------------------------------------- */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.3;
  color: var(--text);
}

p {
  margin-bottom: 1em;
  color: var(--text);
}

p:last-child {
  margin-bottom: 0;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   LAYOUT
   -------------------------------------------------------------------------- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: var(--section-gap) 0;
}

section:nth-child(even) {
  background-color: var(--bg-section);
}

/* --------------------------------------------------------------------------
   SECTION HEADINGS
   -------------------------------------------------------------------------- */
.section-heading {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  color: var(--text);
  margin-bottom: 2rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--border);
}

/* --------------------------------------------------------------------------
   NAVIGATION
   -------------------------------------------------------------------------- */
#nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background-color: var(--nav-bg);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-name {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--nav-text);
  letter-spacing: 0.02em;
  text-decoration: none;
  transition: color 0.15s ease;
}

.nav-name:hover {
  color: var(--nav-accent);
  text-decoration: none;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 1.6rem;
}

.nav-links a {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 500;
  color: rgba(232, 220, 200, 0.72);
  text-decoration: none;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  transition: color 0.15s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--nav-accent);
  text-decoration: none;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--nav-text);
  font-size: 1.4rem;
  cursor: pointer;
  padding: 4px 8px;
}

/* --------------------------------------------------------------------------
   HERO
   -------------------------------------------------------------------------- */
.hero {
  padding-top: calc(52px + 80px);
  padding-bottom: 80px;
  background-color: var(--bg);
}

.hero-name {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 6vw, 3.6rem);
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}

.hero-title {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 1.4rem;
  letter-spacing: 0.01em;
}

.hero-bio {
  font-size: 1.05rem;
  color: var(--text);
  max-width: 560px;
  margin-bottom: 2rem;
  line-height: 1.8;
}

.hero-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* --------------------------------------------------------------------------
   BUTTONS
   -------------------------------------------------------------------------- */
.btn {
  display: inline-block;
  padding: 0.5rem 1.1rem;
  border-radius: 3px;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  text-decoration: none;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
  cursor: pointer;
}

.btn-primary {
  background-color: var(--accent);
  color: #f5ede0;
  border: 1px solid var(--accent);
}

.btn-primary:hover {
  background-color: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #f5ede0;
  text-decoration: none;
}

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

.btn-secondary:hover {
  background-color: var(--tag-bg);
  border-color: var(--border);
  color: var(--accent-hover);
  text-decoration: none;
}

/* --------------------------------------------------------------------------
   ABOUT
   -------------------------------------------------------------------------- */
.about-text {
  max-width: 680px;
}

.about-text p {
  font-size: 1.02rem;
  line-height: 1.85;
  color: var(--text);
  margin-bottom: 1.2em;
}

/* --------------------------------------------------------------------------
   CAPABILITY GRID (What I Do)
   -------------------------------------------------------------------------- */
.capability-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.capability-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 4px;
  padding: 1.4rem 1.5rem;
}

.capability-label {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-faint);
  margin-bottom: 0.6rem;
}

.capability-card p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin: 0;
}

/* --------------------------------------------------------------------------
   PROJECTS
   -------------------------------------------------------------------------- */
.project-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.project-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 4px;
  padding: 1.4rem 1.5rem;
}

.project-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.6rem;
}

.project-title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
}

.project-link {
  font-size: 0.82rem;
  color: var(--accent);
  white-space: nowrap;
  flex-shrink: 0;
}

.project-link:hover {
  color: var(--accent-hover);
}

.project-desc {
  font-size: 0.93rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 0.85rem;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.tag {
  display: inline-block;
  padding: 0.18rem 0.6rem;
  background-color: var(--tag-bg);
  color: var(--tag-text);
  font-size: 0.74rem;
  font-weight: 500;
  border-radius: 2px;
  letter-spacing: 0.02em;
}

/* --------------------------------------------------------------------------
   EXPERIENCE
   -------------------------------------------------------------------------- */
.experience-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.experience-item {
  padding: 1.3rem 0;
  border-bottom: 1px solid var(--border-light);
}

.experience-item:first-child {
  padding-top: 0;
}

.experience-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 0.2rem;
}

.experience-company {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
}

.experience-period {
  font-size: 0.8rem;
  color: var(--text-faint);
  white-space: nowrap;
  flex-shrink: 0;
}

.experience-role {
  font-size: 0.87rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.experience-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 640px;
  margin: 0;
}

.experience-earlier .experience-company {
  color: var(--text-muted);
}

/* Education */
.education-block {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-light);
}

.education-heading {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-style: normal;
}

.education-item {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  line-height: 1.6;
}

.education-school {
  font-weight: 600;
  color: var(--text);
}

/* --------------------------------------------------------------------------
   NOTES
   -------------------------------------------------------------------------- */
.notes-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  margin-bottom: 1.5rem;
}

.notes-list li {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.notes-list a {
  font-size: 0.97rem;
  color: var(--accent);
}

.notes-list a:hover {
  color: var(--accent-hover);
}

.notes-meta {
  font-size: 0.78rem;
  color: var(--text-faint);
  flex-shrink: 0;
}

.notes-footer-note {
  font-size: 0.85rem;
  color: var(--text-faint);
  font-style: italic;
}

/* --------------------------------------------------------------------------
   FOOTER
   -------------------------------------------------------------------------- */
footer {
  background-color: var(--nav-bg);
  padding: 3rem 0 2.5rem;
}

.footer-name {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: rgba(232, 220, 200, 0.7);
  margin-bottom: 1rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 1.4rem;
  margin-bottom: 1.5rem;
}

.footer-links a {
  font-size: 0.85rem;
  color: rgba(232, 220, 200, 0.65);
  text-decoration: none;
  transition: color 0.15s ease;
}

.footer-links a:hover {
  color: var(--nav-accent);
  text-decoration: none;
}

.footer-sig {
  font-size: 0.78rem;
  color: rgba(232, 220, 200, 0.3);
  font-style: italic;
}

/* --------------------------------------------------------------------------
   RESPONSIVE
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
  :root {
    --section-gap: 60px;
  }

  .capability-grid {
    grid-template-columns: 1fr;
  }

  .project-header {
    flex-direction: column;
    gap: 0.25rem;
  }

  .experience-meta {
    flex-direction: column;
    gap: 0.1rem;
  }

  .experience-period {
    white-space: normal;
  }
}

@media (max-width: 600px) {
  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 52px;
    left: 0;
    right: 0;
    background-color: var(--nav-bg);
    padding: 1rem 24px 1.5rem;
    gap: 1rem;
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-toggle {
    display: block;
  }

  .hero-links {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-links .btn {
    width: 100%;
    text-align: center;
  }
}