/* ========================================
   Portfolio — Custom Oat UI overrides
   ======================================== */

:root {
  --content-width: 1200px;
}

/* --- Container (centered inner content) --- */
.container {
  max-width: var(--content-width);
  margin: 0 auto;
  padding-left: 3rem;
  padding-right: 3rem;
  width: 100%;
  box-sizing: border-box;
}

/* --- Global --- */
.site-main {
  overflow-x: hidden;
}

/* --- Sections (full-width wrappers) --- */
.section {
  width: 100%;
  padding: 5rem 0 3rem;
}

.section-title {
  font-size: 1.5rem;
  margin-bottom: 0.25rem;
  letter-spacing: -0.01em;
}

.section-title::after {
  content: "";
  display: block;
  width: 40px;
  height: 2px;
  background: var(--primary);
  margin-top: 0.5rem;
  margin-bottom: 2rem;
  border-radius: 2px;
}

/* --- Top nav --- */
.nav-wrapper {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--background);
  border-bottom: 1px solid var(--border);
  width: 100%;
}

[data-topnav] {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-hamburger {
  display: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--muted-foreground);
  font-size: 0.875rem;
  transition: color 0.15s;
}

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

.theme-toggle {
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  padding: 0.3rem 0.5rem;
  font-size: 0.9rem;
  line-height: 1;
  display: flex;
  align-items: center;
  color: var(--foreground);
}

.theme-toggle:hover {
  background: var(--muted);
}

/* --- Hero (full-width wrapper) --- */
.hero {
  width: 100%;
  padding: 10rem 0 6rem;
  text-align: center;
}

.hero-greeting {
  font-size: 1.05rem;
  color: var(--muted-foreground);
  margin: 0 0 0.5rem;
  letter-spacing: 0.02em;
}

.hero-name {
  font-size: 3.5rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.hero-role {
  font-size: 1.25rem;
  color: var(--muted-foreground);
  margin: 0 0 1.25rem;
  font-weight: 400;
}

.hero-tagline {
  font-size: 1.1rem;
  color: var(--muted-foreground);
  max-width: 560px;
  margin: 0 auto 2.5rem;
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* --- Experience --- */
.timeline {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.experience-card {
  padding: 2rem;
}

.experience-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.experience-header h3 {
  margin: 0;
  font-size: 1.1rem;
}

.experience-header .company {
  color: var(--muted-foreground);
  margin: 0.2rem 0 0;
  font-size: 0.9rem;
}

.experience-project {
  border-top: 1px solid var(--border);
  padding: 0 1rem;
}

.experience-project summary {
  padding: 0.85rem 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.experience-project summary strong {
  font-size: 0.95rem;
}

.tech-inline {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  margin-left: auto;
}

.experience-project ul {
  margin: 0.75rem 0 1rem;
  padding-left: 1.5rem;
}

.experience-project li {
  margin-bottom: 0.5rem;
  line-height: 1.6;
  font-size: 0.9rem;
  color: var(--muted-foreground);
}

.experience-project[open] summary {
  margin-bottom: 0.25rem;
}

/* --- Projects --- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.project-card {
  display: flex;
  flex-direction: column;
  padding: 1.75rem;
}

.project-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
}

.project-card > p {
  flex: 1;
  color: var(--muted-foreground);
  line-height: 1.55;
  font-size: 0.9rem;
  margin: 0 0 1rem;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin-bottom: 1rem;
}

.project-links {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: auto;
}

/* --- Skills --- */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.skill-category {
  padding: 1.5rem;
}

.skill-category h4 {
  margin: 0 0 0.75rem;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted-foreground);
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

/* --- Contact --- */
.contact-card {
  text-align: center;
  padding: 3.5rem 2.5rem;
}

.contact-card > p {
  max-width: 500px;
  margin: 0 auto 2rem;
  color: var(--muted-foreground);
  line-height: 1.6;
  font-size: 0.95rem;
}

.contact-links {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* --- Blog Coming Soon --- */
.coming-soon {
  text-align: center;
  padding: 10rem 0;
  width: 100%;
}

.coming-soon h1 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.coming-soon p {
  color: var(--muted-foreground);
  font-size: 1rem;
  max-width: 450px;
  margin: 0 auto;
  line-height: 1.6;
}

.coming-soon .icon {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
}

/* --- Footer --- */
footer {
  border-top: 1px solid var(--border);
  margin-top: 3rem;
  width: 100%;
}

.footer-content {
  padding-top: 2rem;
  padding-bottom: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.footer-content p {
  margin: 0;
  color: var(--muted-foreground);
  font-size: 0.8rem;
}

.footer-built a {
  color: var(--muted-foreground);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.social-links {
  display: flex;
  gap: 1.25rem;
}

.social-links a {
  color: var(--muted-foreground);
  text-decoration: none;
  font-size: 0.8rem;
}

.social-links a:hover {
  color: var(--foreground);
}

/* --- Smooth scroll --- */
html {
  scroll-behavior: smooth;
  scroll-padding-top: 3.5rem;
}

/* --- Tablet (641px - 1024px) --- */
@media (max-width: 1024px) {
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .skills-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* --- Mobile (<=640px) --- */
@media (max-width: 640px) {
  .container {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }

  .nav-hamburger {
    display: block;
    padding: 0.25rem 0.5rem;
    font-size: 1.1rem;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--background);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 1rem 1.5rem;
    gap: 1rem;
    z-index: 99;
  }

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

  [data-topnav] {
    position: relative;
  }

  .hero {
    padding: 5rem 0 3rem;
  }

  .hero-name {
    font-size: 2.25rem;
  }

  .section {
    padding: 3.5rem 0 2rem;
  }

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

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

  .experience-card {
    padding: 1.25rem;
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
  }

  .experience-header {
    flex-direction: column;
  }

  .contact-card {
    padding: 2rem 1.25rem;
  }
}