@import url('https://fonts.googleapis.com/css2?family=Caveat:wght@400;500;600;700&family=Patrick+Hand&family=IBM+Plex+Mono:wght@400;500&display=swap');

/* ========================================
   Design Tokens
   ======================================== */
:root {
  --paper: #f5f0e1;
  --grid: rgba(160, 150, 130, 0.15);
  --grid-accent: rgba(160, 150, 130, 0.25);

  --ink: #2a2520;
  --ink-light: #5c5248;
  --ink-faded: #9a8e7f;
  --ink-blue: #3a6b8c;
  --ink-red: #c05050;

  --card-bg: rgba(255, 255, 255, 0.55);
  --card-border: rgba(0, 0, 0, 0.1);
  --card-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  --card-hover-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);

  --tape: #e8dbb8;
  --tape-shadow: rgba(0, 0, 0, 0.06);

  --font-hand: 'Caveat', cursive;
  --font-hand-alt: 'Patrick Hand', cursive;
  --font-mono: 'IBM Plex Mono', monospace;

  --max-width: 900px;
  --transition: 0.25s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-hand-alt);
  color: var(--ink);
  background: var(--paper);
  font-size: 1.1rem;
  line-height: 1.7;
  overflow-x: hidden;

  /* Graph paper grid */
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px),
    linear-gradient(var(--grid-accent) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-accent) 1px, transparent 1px);
  background-size: 1.5rem 1.5rem, 1.5rem 1.5rem, 7.5rem 7.5rem, 7.5rem 7.5rem;
}

a { color: inherit; text-decoration: none; }

/* ========================================
   Page Container
   ======================================== */
.page {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem 3rem;
}

/* ========================================
   Top Navigation
   ======================================== */
.topnav {
  display: flex;
  justify-content: center;
  gap: 2.5rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--card-border);
  margin-bottom: 2rem;
}

.topnav a {
  font-family: var(--font-hand-alt);
  font-size: 1.05rem;
  color: var(--ink-light);
  letter-spacing: 0.03em;
  transition: var(--transition);
}

.topnav a:hover {
  color: var(--ink-blue);
}

/* ========================================
   Hero Banner
   ======================================== */
.hero-banner {
  text-align: center;
  padding: 1.5rem 0 2.5rem;
  border-bottom: 1px solid var(--card-border);
  margin-bottom: 2rem;
}

.hero-name {
  font-family: var(--font-hand);
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 0.1rem;
}

.hero-role {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--ink-faded);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.hero-tagline {
  font-family: var(--font-hand-alt);
  font-size: 1.05rem;
  color: var(--ink-light);
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ========================================
   Cards — note-on-desk style
   ======================================== */
.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 3px;
  padding: 1.8rem 1.8rem 1.5rem;
  position: relative;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
}

.card:hover {
  box-shadow: var(--card-hover-shadow);
}

/* Tape effect */
.card-tape {
  position: absolute;
  top: -8px;
  left: 50%;
  transform: translateX(-50%) rotate(-1deg);
  width: 70px;
  height: 18px;
  background: var(--tape);
  border-radius: 1px;
  box-shadow: 0 1px 3px var(--tape-shadow);
  opacity: 0.85;
}

.card-heading {
  font-family: var(--font-hand);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 0.8rem;
}

.card p {
  color: var(--ink-light);
  margin-bottom: 0.5rem;
  line-height: 1.7;
}

.card a {
  color: var(--ink-blue);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: var(--transition);
}

.card a:hover {
  color: var(--ink-red);
}

/* ========================================
   Two Column Layout
   ======================================== */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

/* ========================================
   Tech Stack Icons
   ======================================== */
.tech-icons {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.8rem;
}

.tech-item {
  text-align: center;
}

.tech-icon {
  font-size: 1.6rem;
  color: var(--ink-light);
  margin-bottom: 0.1rem;
  line-height: 1;
}

.tech-item span {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--ink-faded);
}

/* ========================================
   Projects Section
   ======================================== */
.projects-section {
  margin-bottom: 2.5rem;
}

.section-heading {
  font-family: var(--font-hand);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 1.2rem;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
}

/* Project Thumbnail Cards */
.project-thumb {
  display: block;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 3px;
  padding: 0;
  overflow: hidden;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
  text-decoration: none;
}

.project-thumb:hover {
  box-shadow: var(--card-hover-shadow);
  transform: translateY(-3px);
}

/* Wireframe preview area */
.thumb-wireframe {
  background: rgba(240, 235, 222, 0.6);
  border-bottom: 1px solid var(--card-border);
  padding: 0.8rem;
  min-height: 110px;
}

.wire-bar {
  height: 8px;
  background: rgba(0, 0, 0, 0.08);
  border-radius: 2px;
  margin-bottom: 0.6rem;
}

.wire-content {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.wire-block-lg {
  height: 35px;
  background: rgba(0, 0, 0, 0.06);
  border-radius: 2px;
  border: 1px dashed rgba(0, 0, 0, 0.08);
}

.wire-block-sm {
  height: 28px;
  background: rgba(0, 0, 0, 0.05);
  border-radius: 2px;
  border: 1px dashed rgba(0, 0, 0, 0.08);
}

.wire-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.4rem;
}

.wire-lines {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.wire-line {
  height: 5px;
  background: rgba(0, 0, 0, 0.07);
  border-radius: 1px;
}

.wire-line.short {
  width: 60%;
}

/* Thumb text area */
.project-thumb h3 {
  font-family: var(--font-hand);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--ink);
  padding: 0.8rem 1rem 0.2rem;
  transition: var(--transition);
}

.project-thumb:hover h3 {
  color: var(--ink-blue);
}

.project-thumb p {
  font-family: var(--font-hand-alt);
  font-size: 0.9rem;
  color: var(--ink-light);
  padding: 0 1rem 1rem;
  line-height: 1.5;
}

/* ========================================
   Contact
   ======================================== */
.contact-section {
  max-width: 400px;
  margin-bottom: 2.5rem;
}

.contact-list {
  list-style: none;
}

.contact-list li {
  padding: 0.3rem 0;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.contact-list a {
  color: var(--ink-blue);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: var(--transition);
}

.contact-list a:hover {
  color: var(--ink-red);
}

/* ========================================
   Footer
   ======================================== */
.site-footer {
  text-align: center;
  padding: 1.5rem 0;
  border-top: 1px solid var(--card-border);
}

.site-footer p {
  font-family: var(--font-hand-alt);
  font-size: 0.85rem;
  color: var(--ink-faded);
}

/* ========================================
   Project Detail Pages (reused)
   ======================================== */
.notebook {
  max-width: 820px;
  margin: 0 auto;
  position: relative;
  padding: 0 3rem 4rem 3rem;
  min-height: 100vh;
}

.site-header {
  padding: 2.5rem 0 0.5rem;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.site-header-left {
  display: flex;
  align-items: baseline;
  gap: 0.8rem;
}

.site-title {
  font-family: var(--font-hand);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--ink);
  transition: var(--transition);
}

.site-title:hover { color: var(--ink-blue); }

.site-subtitle {
  font-family: var(--font-hand-alt);
  font-size: 0.95rem;
  color: var(--ink-faded);
}

.site-nav {
  display: flex;
  gap: 1.5rem;
}

.site-nav a {
  font-family: var(--font-hand-alt);
  font-size: 1.1rem;
  color: var(--ink-light);
  transition: var(--transition);
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--ink-blue);
}

.divider {
  border: none;
  border-top: 1px dashed var(--ink-faded);
  margin: 1rem 0;
  opacity: 0.3;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 1rem;
  color: var(--ink-faded);
  margin-bottom: 1.5rem;
  transition: var(--transition);
}

.back-link:hover { color: var(--ink-blue); }

.back-link svg {
  width: 16px;
  height: 16px;
  transition: var(--transition);
}

.back-link:hover svg { transform: translateX(-3px); }

.page-content {
  padding: 1.5rem 0 4rem;
}

.page-title {
  font-family: var(--font-hand);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 0.5rem;
}

.post-date {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-faded);
}

.prose {
  font-family: var(--font-hand-alt);
  font-size: 1.15rem;
  color: var(--ink-light);
  line-height: 1.9;
}

.prose p { margin-bottom: 1rem; }

.prose h2 {
  font-family: var(--font-hand);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--ink);
  margin-top: 2rem;
  margin-bottom: 0.5rem;
}

.prose a {
  color: var(--ink-blue);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: var(--transition);
}

.prose a:hover { color: var(--ink-red); }

.prose ul {
  list-style: none;
  padding: 0;
  margin-bottom: 1rem;
}

.prose li { padding: 0.2rem 0; }
.prose li::before { content: '- '; color: var(--ink-faded); }

.project-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 1.4rem;
  border-radius: 4px;
  font-size: 1rem;
  font-weight: 500;
  font-family: var(--font-hand-alt);
  transition: var(--transition);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--ink);
  color: var(--paper);
}

.btn-primary:hover {
  background: var(--ink-blue);
  transform: translateY(-2px);
}

.btn svg { width: 16px; height: 16px; }

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 0.5rem;
}

.footer-text {
  font-family: var(--font-hand-alt);
  font-size: 0.9rem;
  color: var(--ink-faded);
}

.footer-text a {
  color: var(--ink-blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 768px) {
  .page { padding: 0 1.2rem 2rem; }
  .two-col { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .tech-icons { grid-template-columns: repeat(4, 1fr); }
  .topnav { gap: 1.5rem; flex-wrap: wrap; }

  .notebook { padding: 0 1.5rem 3rem; }
  .site-header { flex-direction: column; gap: 0.5rem; }
  .footer-inner { flex-direction: column; gap: 0.3rem; }
}

@media (max-width: 480px) {
  .topnav { gap: 1rem; font-size: 0.95rem; }
  .tech-icons { grid-template-columns: repeat(2, 1fr); }
  .project-cta { flex-direction: column; }
}