/* ============================================
   williamjdiaz.com — global styles
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;1,400&family=Inter:wght@300;400;500&display=swap');

/* --- Variables --- */
:root {
  --white:        #ffffff;
  --off-white:    #faf8f4;
  --black:        #111111;
  --gray-dark:    #444444;
  --gray-mid:     #888888;
  --gray-light:   #e8e4db;
  --accent:       #006341;
  --accent-dark:  #004d30;
  --accent-light: #e6f0eb;
  --gold:         #C69214;
  --gold-light:   #fdf5e0;
  --max-width:    720px;
  --nav-height:   64px;
}

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

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

body {
  font-family: 'Inter', sans-serif;
  font-weight: 400;
  color: var(--black);
  background: var(--off-white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* --- Typography --- */
h1, h2, h3 {
  font-family: 'Playfair Display', Georgia, serif;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2rem, 5vw, 3rem); }
h2 { font-size: clamp(1.4rem, 3vw, 1.75rem); margin-bottom: 1.25rem; }
h3 { font-size: 1.1rem; font-weight: 600; }

p { color: var(--gray-dark); margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

a { color: var(--black); text-decoration: underline; text-underline-offset: 3px; }
a:hover { color: var(--accent); }

/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

section { padding: 4rem 0; }

.divider {
  border: none;
  border-top: 1px solid var(--gray-light);
  margin: 0;
}

/* --- Navigation --- */
nav {
  position: sticky;
  top: 0;
  height: var(--nav-height);
  background: rgba(250, 248, 244, 0.95);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--gray-light);
  z-index: 100;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav-name {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.1rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--black);
  letter-spacing: 0.01em;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--gray-dark);
  transition: color 0.15s;
}

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

/* Hamburger (mobile) */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--black);
  transition: all 0.25s;
}

/* --- Hero (index only) --- */
.hero { padding: 5rem 0 4rem; }

.hero-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 3rem;
  align-items: center;
}

.hero-photo {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  object-fit: cover;
  object-position: top center;
  border: 3px solid var(--white);
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.hero-eyebrow {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.hero h1 { margin-bottom: 1.5rem; }

.hero-bio {
  font-size: 1.05rem;
  color: var(--gray-dark);
  max-width: 520px;
  line-height: 1.8;
}

.hero-links {
  margin-top: 2rem;
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.65rem 1.4rem;
  border: 1px solid var(--black);
  color: var(--black);
  background: transparent;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  cursor: pointer;
}

.btn:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--white);
}

.btn-filled {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--white);
}

.btn-filled:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  color: var(--white);
}

/* --- Writing page --- */
.page-header { padding: 3.5rem 0 2.5rem; }
.page-header h1 { margin-bottom: 0.5rem; }
.page-header p  { font-size: 1rem; color: var(--gray-mid); }

.writing-filter {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.filter-btn {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--gray-light);
  background: none;
  color: var(--gray-mid);
  cursor: pointer;
  transition: all 0.15s;
}

.filter-btn:hover,
.filter-btn.active {
  border-color: var(--gold);
  color: var(--gold);
  background: var(--gold-light);
}

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

.writing-item {
  padding: 2rem 0;
  border-bottom: 1px solid var(--gray-light);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.5rem 2rem;
  align-items: start;
}

.writing-item:first-child { border-top: 1px solid var(--gray-light); }

.writing-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.4rem;
}

.tag {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.2rem 0.55rem;
  background: var(--gold-light);
  border: 1px solid transparent;
  color: var(--gold);
}

.writing-year { font-size: 0.8rem; color: var(--gray-mid); }

.writing-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.15rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--black);
  display: block;
  margin-bottom: 0.35rem;
  transition: color 0.15s;
}

.writing-title:hover { color: var(--accent); }

.writing-desc {
  font-size: 0.9rem;
  color: var(--gray-mid);
  margin: 0;
  line-height: 1.6;
}

.writing-pub {
  font-size: 0.8rem;
  color: var(--gray-mid);
  font-style: italic;
  white-space: nowrap;
  padding-top: 0.2rem;
}

/* --- CV page --- */
.cv-section { margin-bottom: 3rem; }

.cv-section-title {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.25rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--gray-light);
}

.cv-entry { margin-bottom: 1.75rem; }
.cv-entry:last-child { margin-bottom: 0; }

.cv-entry-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 0.2rem;
}

.cv-entry-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1rem;
  font-weight: 600;
}

.cv-entry-date { font-size: 0.8rem; color: var(--gray-mid); white-space: nowrap; }

.cv-entry-sub {
  font-size: 0.875rem;
  color: var(--gray-mid);
  margin-bottom: 0.5rem;
}

.cv-entry p,
.cv-entry ul { font-size: 0.9rem; color: var(--gray-dark); }

.cv-entry ul { padding-left: 1.1rem; margin: 0; }
.cv-entry li { margin-bottom: 0.25rem; }

.cv-download {
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--gray-light);
}

/* --- Contact page --- */
.contact-intro {
  font-size: 1.05rem;
  color: var(--gray-dark);
  margin-bottom: 2.5rem;
  max-width: 500px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  max-width: 520px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-mid);
}

.form-group input,
.form-group textarea {
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  color: var(--black);
  background: var(--white);
  border: 1px solid var(--gray-light);
  padding: 0.75rem 1rem;
  outline: none;
  transition: border-color 0.15s;
  resize: vertical;
  width: 100%;
}

.form-group input:focus,
.form-group textarea:focus { border-color: var(--accent); }

.contact-alt { margin-top: 2.5rem; font-size: 0.9rem; color: var(--gray-mid); }
.contact-alt a { color: var(--gray-dark); }

/* --- Academic article page --- */
.article-wrap {
  padding: 3rem 0 5rem;
}

.article-header {
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 2px solid var(--accent);
}

.article-back {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--gray-mid);
  margin-bottom: 2rem;
  transition: color 0.15s;
}

.article-back:hover { color: var(--accent); }

.article-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin-bottom: 1.5rem;
  color: var(--black);
}

.article-meta {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.article-meta-line {
  font-size: 0.85rem;
  color: var(--gray-mid);
  margin: 0;
}

.article-meta-line strong {
  color: var(--gray-dark);
  font-weight: 500;
}

/* Article body typography */
.article-body {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.05rem;
  line-height: 1.85;
  color: #2a2a2a;
}

.article-body p {
  margin-bottom: 0;
  text-indent: 2em;
  color: #2a2a2a;
}

.article-body p.no-indent {
  text-indent: 0;
}

.article-body p + p {
  margin-top: 0;
}

.article-body blockquote {
  margin: 1.5rem 0 1.5rem 2.5rem;
  font-size: 0.97rem;
  line-height: 1.8;
  color: var(--gray-dark);
  font-style: normal;
}

/* Works Cited */
.works-cited {
  margin-top: 3.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--gray-light);
}

.works-cited h2 {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 1.25rem;
  font-family: 'Inter', sans-serif;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--accent);
}

.works-cited ol,
.works-cited ul {
  list-style: none;
  padding: 0;
}

.works-cited li {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--gray-dark);
  padding-left: 2em;
  text-indent: -2em;
  margin-bottom: 0.75rem;
}

/* --- Footer --- */
footer {
  padding: 2.5rem 0;
  border-top: 1px solid var(--gray-light);
  margin-top: 4rem;
  background: var(--white);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-copy { font-size: 0.8rem; color: var(--gray-mid); margin: 0; }

.footer-links { display: flex; gap: 1.25rem; list-style: none; }

.footer-links a {
  font-size: 0.8rem;
  color: var(--gray-mid);
  text-decoration: none;
  transition: color 0.15s;
}

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

/* --- Responsive --- */
@media (max-width: 600px) {
  .nav-links {
    display: none;
    flex-direction: column;
    gap: 0;
    position: absolute;
    top: var(--nav-height);
    left: 0; right: 0;
    background: var(--off-white);
    border-bottom: 1px solid var(--gray-light);
    padding: 0.5rem 0;
  }

  .nav-links.open { display: flex; }
  .nav-links li a { display: block; padding: 0.75rem 1.5rem; }
  .nav-toggle { display: flex; }

  .hero-inner {
    grid-template-columns: 1fr;
  }

  .hero-photo {
    width: 100px;
    height: 100px;
    order: -1;
  }

  .writing-item { grid-template-columns: 1fr; }
  .writing-pub { padding-top: 0; }

  .cv-entry-header { flex-direction: column; gap: 0.15rem; }

  .footer-inner { flex-direction: column; align-items: flex-start; gap: 0.75rem; }
}