/* =========================================================
   TOKENS
   ========================================================= */
:root{
  --bg: #FAF7F0;
  --bg-alt: #F0EBDF;
  --ink: #16242C;
  --ink-soft: #4B5A61;
  --line: #CBC2AE;
  --accent-terra: #C1602F;
  --accent-teal: #3E6B63;
  --accent-blue: #4C7A93;

  --font-display: "Fraunces", serif;
  --font-body: "Inter", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", monospace;

  --max-w: 880px;
  --gutter: 6vw;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *{ animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

body{
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.6;
  font-size: 16px;
  position: relative;
  overflow-x: hidden;
}

.mono{ font-family: var(--font-mono); letter-spacing: 0.04em; }

a{ color: inherit; }

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

/* subtle paper grain / contour texture */
.grain{
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.5;
  background-image:
    repeating-radial-gradient(circle at 20% 30%, rgba(75,90,97,0.05) 0, rgba(75,90,97,0.05) 1px, transparent 1px, transparent 46px),
    repeating-radial-gradient(circle at 80% 70%, rgba(75,90,97,0.05) 0, rgba(75,90,97,0.05) 1px, transparent 1px, transparent 60px);
}

/* =========================================================
   ROUTE LINE — signature element
   A surveyed path running down the page, echoing a GPS track.
   ========================================================= */
.route-line{
  position: fixed;
  top: 0;
  left: 28px;
  width: 3px;
  height: 100vh;
  z-index: 1;
  pointer-events: none;
}
.route-line line{
  stroke: var(--line);
  stroke-width: 2;
  stroke-dasharray: 2 8;
}

@media (max-width: 720px){
  .route-line{ display: none; }
}

/* waypoint markers pinned to each section, aligned with the route line */
.section, .hero{
  position: relative;
}
.section::before, .hero::before{
  content: "";
  position: absolute;
  left: -28px;
  top: 0.35em;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--accent-terra);
}
@media (max-width: 720px){
  .section::before, .hero::before{ display: none; }
}

/* =========================================================
   LAYOUT
   ========================================================= */
main, header, footer{
  position: relative;
  z-index: 2;
}

.hero, .section{
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 6.5rem var(--gutter) 4rem;
}

@media (min-width: 720px){
  .hero, .section{ padding-left: calc(var(--gutter) + 40px); padding-right: var(--gutter); }
}

.section-contact{
  padding-bottom: 6rem;
}

.eyebrow{
  font-size: 0.72rem;
  text-transform: uppercase;
  color: var(--accent-terra);
  margin: 0 0 1rem;
  font-weight: 500;
}

.display{
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.01em;
  margin: 0 0 1rem;
  color: var(--ink);
}

.hero .display{
  font-size: clamp(2.6rem, 7vw, 4.6rem);
  font-optical-sizing: auto;
}

.section .display{
  font-size: clamp(1.8rem, 4vw, 2.4rem);
}

.headline{
  font-family: var(--font-mono);
  color: var(--accent-teal);
  font-size: 1.05rem;
  margin: 0 0 1.25rem;
}

.intro{
  max-width: 56ch;
  color: var(--ink-soft);
  font-size: 1.05rem;
}

.hero-actions{
  margin-top: 2rem;
  display: flex;
  gap: 1.25rem;
  align-items: center;
  flex-wrap: wrap;
}

.btn{
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 2px;
  font-weight: 600;
  text-decoration: none;
  border: 1.5px solid var(--ink);
  transition: background 0.15s ease, color 0.15s ease;
}
.btn-primary{
  background: var(--ink);
  color: var(--bg);
}
.btn-primary:hover{
  background: var(--accent-terra);
  border-color: var(--accent-terra);
}

.link-icon{
  text-decoration: underline;
  text-decoration-color: var(--line);
  text-underline-offset: 4px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
}
.link-icon:hover{ text-decoration-color: var(--accent-terra); }

.section-lead{
  max-width: 62ch;
  color: var(--ink-soft);
  font-size: 1.02rem;
  margin-bottom: 2rem;
}

/* ===== About ===== */
.about-grid{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 1.5rem;
}
@media (max-width: 560px){ .about-grid{ grid-template-columns: 1fr; } }

.about-point{
  border-top: 2px solid var(--ink);
  padding-top: 0.9rem;
}
.about-point h3{
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin: 0 0 0.4rem;
}
.about-point p{
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

/* ===== Skills ===== */
.skills-grid{
  display: grid;
  gap: 1.75rem;
  margin-top: 1rem;
}
.skill-category h3{
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-transform: uppercase;
  color: var(--accent-blue);
  margin: 0 0 0.6rem;
  letter-spacing: 0.05em;
}
.skill-tags{
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.skill-tag{
  border: 1px solid var(--line);
  padding: 0.35rem 0.8rem;
  border-radius: 2px;
  font-size: 0.88rem;
  background: var(--bg-alt);
}

/* ===== Projects ===== */
.projects-grid{
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.75rem;
  margin-top: 1rem;
}
.project-card{
  border: 1px solid var(--line);
  background: var(--bg-alt);
  display: flex;
  flex-direction: column;
}
.project-card img{
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  display: block;
  border-bottom: 1px solid var(--line);
}
.project-body{ padding: 1.1rem 1.2rem 1.4rem; }
.project-category{
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent-terra);
  text-transform: uppercase;
}
.project-body h3{
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin: 0.35rem 0 0.5rem;
}
.project-body p{
  color: var(--ink-soft);
  font-size: 0.92rem;
  margin: 0 0 0.75rem;
}
.project-tools{
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.75rem;
}
.project-tools span{
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-soft);
  border: 1px solid var(--line);
  padding: 0.15rem 0.5rem;
}
.project-link{
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-decoration: underline;
}

/* ===== Timeline (experience / organization) ===== */
.timeline{ margin-top: 1rem; display: flex; flex-direction: column; gap: 2rem; }
.timeline-item{
  border-left: 2px solid var(--line);
  padding-left: 1.25rem;
}
.timeline-period{
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-teal);
}
.timeline-item h3{
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin: 0.25rem 0 0.1rem;
}
.timeline-org{
  color: var(--ink-soft);
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
}
.timeline-item p.desc{
  color: var(--ink-soft);
  font-size: 0.95rem;
}
.timeline-photos{
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-top: 0.75rem;
}
.timeline-photos img{
  width: 110px;
  height: 80px;
  object-fit: cover;
  border: 1px solid var(--line);
}

/* ===== Education / certificates ===== */
.education-list, .cert-list{
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.edu-item, .cert-item{
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  border-bottom: 1px dashed var(--line);
  padding-bottom: 1rem;
}
.edu-item h3, .cert-item h3{
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin: 0 0 0.2rem;
}
.edu-item p, .cert-item p{
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.9rem;
}
.edu-meta, .cert-meta{
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-blue);
  white-space: nowrap;
}

/* ===== Tools ===== */
.tools-chips{
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1rem;
}
.tools-chips span{
  font-family: var(--font-mono);
  font-size: 0.85rem;
  border: 1px solid var(--ink);
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
}

/* ===== Contact ===== */
.contact-links{
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}
.contact-links a{
  font-family: var(--font-mono);
  font-size: 0.95rem;
  text-decoration: underline;
  text-decoration-color: var(--line);
  text-underline-offset: 4px;
}
.contact-links a:hover{ text-decoration-color: var(--accent-terra); }

/* ===== Footer ===== */
.site-footer{
  text-align: center;
  padding: 2.5rem var(--gutter) 3rem;
  color: var(--ink-soft);
  font-size: 0.8rem;
}