/* ============================================
   lorrainwly.com — Style
   Pure white, minimalist, academic
   ============================================ */

:root {
  --white: #ffffff;
  --black: #111111;
  --gray-100: #f7f7f7;
  --gray-200: #ebebeb;
  --gray-400: #999999;
  --gray-600: #555555;
  --accent: #111111;
  --nav-h: 60px;
  --max-w: 1100px;
  --photo-w: 220px;
  --transition: 0.25s ease;
  --font-serif: 'EB Garamond', Georgia, serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* ============================================
   RESET
   ============================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; scroll-padding-top: var(--nav-h); }
body {
  font-family: var(--font-sans);
  background: var(--white);
  color: var(--black);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* ============================================
   NAVIGATION
   ============================================ */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  z-index: 100;
  transition: border-color var(--transition);
}

#navbar.scrolled {
  border-bottom-color: var(--gray-200);
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2.5rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--black);
}

.nav-links {
  display: flex;
  gap: 2.5rem;
}

.nav-links a {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--gray-600);
  letter-spacing: 0.02em;
  transition: color var(--transition);
}

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

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--black);
  transition: var(--transition);
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: var(--white);
  z-index: 200;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.mobile-menu.open { opacity: 1; pointer-events: auto; }

.mobile-close {
  position: absolute;
  top: 1.5rem; right: 2rem;
  background: none;
  border: none;
  font-size: 1.25rem;
  cursor: pointer;
  color: var(--gray-400);
}

.mobile-menu ul {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  text-align: center;
}

.mobile-link {
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--black);
}

/* ============================================
   ABOUT SECTION (First Page / Landing)
   ============================================ */
.section-about {
  min-height: 100vh;
  padding-top: var(--nav-h);
  display: flex;
  align-items: center;
}

.about-container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 5rem 2.5rem;
  display: grid;
  grid-template-columns: var(--photo-w) 1fr;
  gap: 6rem;
  align-items: start;
}

/* ---- LEFT: Photo + Name + Socials ---- */
.about-left {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.photo-wrap {
  width: 100%;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: var(--gray-100);
  margin-bottom: 1.25rem;
}

.profile-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
  transition: transform 0.5s ease;
}

.photo-wrap:hover .profile-photo {
  transform: scale(1.02);
}

.profile-name {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 500;
  color: var(--black);
  letter-spacing: 0.01em;
  margin-bottom: 0.2rem;
}

.profile-role {
  font-size: 0.78rem;
  color: var(--gray-400);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}

/* Social Icons */
.social-icons {
  display: flex;
  gap: 0.85rem;
  align-items: center;
  flex-wrap: wrap;
}

.social-link {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-400);
  border-radius: 50%;
  transition: color var(--transition), background var(--transition);
}

.social-link:hover {
  color: var(--black);
  background: var(--gray-100);
}

/* ---- RIGHT: About Text ---- */
.about-right {
  padding-top: 0.5rem;
}

.about-text-block {
  max-width: 560px;
}

.about-bio {
  font-size: 0.97rem;
  color: var(--gray-600);
  margin-bottom: 1.1rem;
  line-height: 1.85;
}

.about-meta {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-top: 2rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--gray-200);
}

.meta-item {
  display: flex;
  gap: 2rem;
  align-items: baseline;
}

.meta-label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-400);
  min-width: 90px;
}

.meta-value {
  font-size: 0.92rem;
  color: var(--black);
}

/* ============================================
   GENERAL SECTION STYLES
   ============================================ */
.section {
  padding: 7rem 0;
  border-top: 1px solid var(--gray-200);
}

.section-alt {
  background: var(--gray-100);
}

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2.5rem;
}

.section-heading {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 400;
  color: var(--black);
  margin-bottom: 0.6rem;
  letter-spacing: -0.01em;
}

.section-intro {
  font-size: 0.97rem;
  color: var(--gray-600);
  max-width: 540px;
  margin-bottom: 3.5rem;
  line-height: 1.8;
}

/* ============================================
   RESEARCH SECTION
   ============================================ */
.research-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.research-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 2rem;
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--gray-200);
  transition: background var(--transition);
}

.research-item:first-child { border-top: 1px solid var(--gray-200); }

.research-year {
  font-size: 0.8rem;
  color: var(--gray-400);
  font-weight: 500;
  padding-top: 0.35rem;
  letter-spacing: 0.04em;
}

.research-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-400);
  border: 1px solid var(--gray-200);
  padding: 0.15rem 0.6rem;
  border-radius: 3px;
  margin-bottom: 0.75rem;
}

.research-title {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--black);
  margin-bottom: 0.3rem;
  line-height: 1.5;
}

.research-venue {
  font-size: 0.85rem;
  color: var(--gray-400);
  margin-bottom: 0.75rem;
  font-style: italic;
}

.research-desc {
  font-size: 0.93rem;
  color: var(--gray-600);
  line-height: 1.75;
  margin-bottom: 1rem;
}

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

.rlink {
  font-size: 0.83rem;
  font-weight: 500;
  color: var(--black);
  border-bottom: 1px solid var(--gray-200);
  padding-bottom: 1px;
  transition: border-color var(--transition);
}

.rlink:hover { border-color: var(--black); }

/* ============================================
   PROJECTS SECTION
   ============================================ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5px;
  background: var(--gray-200);
  border: 1.5px solid var(--gray-200);
}

.project-card {
  background: var(--white);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: background var(--transition);
  cursor: default;
}

.project-card:hover { background: var(--gray-100); }
.section-alt .project-card { background: var(--gray-100); }
.section-alt .project-card:hover { background: var(--white); }

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.project-year {
  font-size: 0.75rem;
  color: var(--gray-400);
  font-weight: 500;
}

.project-tag {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-400);
}

.project-name {
  font-size: 1rem;
  font-weight: 500;
  color: var(--black);
  line-height: 1.45;
}

.project-desc {
  font-size: 0.88rem;
  color: var(--gray-600);
  line-height: 1.75;
  flex: 1;
}

.project-link {
  font-size: 0.83rem;
  font-weight: 500;
  color: var(--black);
  align-self: flex-start;
  border-bottom: 1px solid var(--gray-200);
  padding-bottom: 1px;
  transition: border-color var(--transition);
}

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

/* ============================================
   CONTACT
   ============================================ */
.contact-container {
  max-width: 640px;
}

.contact-intro {
  max-width: 100%;
}

.contact-methods {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.contact-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.65rem 1.25rem;
  border: 1px solid var(--gray-200);
  border-radius: 100px;
  font-size: 0.85rem;
  color: var(--gray-600);
  transition: var(--transition);
  background: var(--white);
}

.contact-pill:hover {
  color: var(--black);
  border-color: var(--black);
  background: var(--gray-100);
}

/* ============================================
   FOOTER
   ============================================ */
#footer {
  border-top: 1px solid var(--gray-200);
  padding: 1.5rem 0;
  background: var(--white);
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2.5rem;
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--gray-400);
}

/* ============================================
   FADE-IN ANIMATION
   ============================================ */
.fade-up {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 860px) {
  .about-container {
    grid-template-columns: 180px 1fr;
    gap: 3rem;
    padding: 3rem 2rem;
  }
}

@media (max-width: 680px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }

  .about-container {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    padding: 3rem 1.5rem;
  }

  .photo-wrap {
    width: 160px;
    aspect-ratio: 3 / 4;
  }

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

  .research-item {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .footer-inner {
    flex-direction: column;
    gap: 0.25rem;
    text-align: center;
  }

  .container, .nav-inner { padding-inline: 1.5rem; }
}