/* ===========================
   CSS Variables
   =========================== */
:root {
  --primary-color: #F36F63; /* coral/salmon */
  --hover-color: #D95A4F; /* darker for hover/focus */
  --text-color: #222222;
  --bg-color: #ffffff;
  --secondary-bg: #FFF5F4; /* subtle warm tint */
  --border-color: #F0C9C5; /* warm, light border */
  /* optional complementary accent (teal) for future use */
  --accent-color: #2E8C8A;
  
  --max-width: 900px;
  --section-spacing: 2.5rem;
  --content-spacing: 1rem;
  
  --font-main: 'Lato', Verdana, Helvetica, sans-serif;
  --font-size-base: 15px;
  --font-size-large: 18px;
  --font-size-heading: 24px;
  --font-size-name: 36px;
}

/* ===========================
   Font Imports (Lato)
   =========================== */
@font-face {
  font-family: 'Lato';
  font-style: normal;
  font-weight: 400;
  src: local('Lato Regular'), local('Lato-Regular'), 
       url(https://fonts.gstatic.com/s/lato/v15/S6uyw4BMUTPHjx4wXiWtFCc.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'Lato';
  font-style: normal;
  font-weight: 700;
  src: local('Lato Bold'), local('Lato-Bold'), 
       url(https://fonts.gstatic.com/s/lato/v15/S6u9w4BMUTPHh6UVSwiPGQ3q5d0.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'Lato';
  font-style: italic;
  font-weight: 400;
  src: local('Lato Italic'), local('Lato-Italic'), 
       url(https://fonts.gstatic.com/s/lato/v15/S6u8w4BMUTPHjxsAXC-qNiXg7Q.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ===========================
   Base Styles
   =========================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-color);
  color: var(--text-color);
  font-family: var(--font-main);
  font-size: var(--font-size-base);
  line-height: 1.6;
  padding: 20px;
}

/* ===========================
   Container
   =========================== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 20px;
}

/* ===========================
   Accessibility
   =========================== */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--primary-color);
  color: white;
  padding: 8px;
  text-decoration: none;
  z-index: 100;
}

.skip-link:focus {
  top: 0;
}

/* ===========================
   Typography
   =========================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-main);
  font-weight: 400;
  line-height: 1.3;
}

h2 {
  font-size: var(--font-size-heading);
  margin-bottom: 1rem;
  color: var(--text-color);
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 0.5rem;
}

p {
  margin-bottom: 1rem;
}

strong {
  font-weight: 700;
}

/* ===========================
   Links
   =========================== */
a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover,
a:focus {
  color: var(--hover-color);
}

/* ===========================
   Profile Header
   =========================== */
.profile-header {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: center;
  margin-bottom: var(--section-spacing);
  padding-bottom: var(--section-spacing);
  border-bottom: 2px solid var(--border-color);
}

.profile-content {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.name {
  font-size: var(--font-size-name);
  font-weight: 400;
  margin-bottom: 0.5rem;
  text-align: center;
}

.bio {
  font-size: var(--font-size-base);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.profile-links {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: var(--font-size-base);
}

.profile-links .separator {
  color: var(--text-color);
  opacity: 0.5;
}

.profile-image {
  width: 200px;
  height: 200px;
  flex-shrink: 0;
}

.profile-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  transition: opacity 0.2s ease-in-out;
}

.profile-image img:hover {
  opacity: 0.9;
}

/* ===========================
   Main Content Sections
   =========================== */
main {
  display: flex;
  flex-direction: column;
  gap: var(--section-spacing);
}

.content-section {
  padding: 1rem 0;
}

/* ===========================
   Lists
   =========================== */
.news-list,
.topics-list,
.awards-list {
  list-style: none;
  padding-left: 0;
}

.news-list li,
.awards-list li {
  margin-bottom: 0.75rem;
  line-height: 1.6;
}

.news-date,
.award-date {
  display: inline-block;
  font-weight: 700;
  color: var(--primary-color);
  margin-right: 0.5rem;
  min-width: 85px;
}

.topics-list {
  list-style: disc;
  padding-left: 1.5rem;
}

.topics-list li {
  margin-bottom: 0.5rem;
}

/* ===========================
   Publications
   =========================== */
.publication {
  margin-bottom: 2rem;
  padding: 1rem;
  background-color: var(--secondary-bg);
  border-left: 3px solid var(--primary-color);
  border-radius: 4px;
}

.pub-title {
  font-size: var(--font-size-large);
  font-weight: 700;
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.pub-authors {
  font-size: var(--font-size-base);
  margin-bottom: 0.25rem;
  color: var(--text-color);
}

.pub-venue {
  font-size: var(--font-size-base);
  margin-bottom: 0.5rem;
}

.pub-links {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}

.pub-links .separator {
  color: var(--text-color);
  opacity: 0.5;
}

/* ===========================
   Footer
   =========================== */
.site-footer {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
  text-align: center;
  color: #666;
  font-size: 14px;
}

/* Playlist and Map Row */
.playlist-map-row {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
  justify-content: space-between;
  margin-top: 2.5rem;
  padding: 2rem;
  background-color: var(--secondary-bg);
  border-radius: 8px;
  border-top: 3px solid var(--primary-color);
}

.playlist-section {
  flex: 1;
  min-width: 0;
}

.playlist-section h2 {
  font-size: 18px;
  font-weight: 400;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--border-color);
  color: var(--text-color);
}

.video-container {
  width: 100%;
  background: #000;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: box-shadow 0.2s ease;
}

.video-container:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.video-container iframe {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  display: block;
  border: none;
}

/* Visitor map wrapper */
.visitor-map {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 1.25rem;
  background: white;
  border-radius: 6px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
  min-width: 260px;
  max-width: 300px;
}

.visitor-map::before {
  content: "Visitor Map";
  font-size: 15px;
  font-weight: 700;
  color: var(--text-color);
  text-align: center;
}

.visitor-map iframe,
.visitor-map canvas,
.visitor-map div {
  max-width: 100%;
  border-radius: 4px;
}

/* ===========================
   Responsive Design
   =========================== */

/* Tablets and smaller laptops */
@media (max-width: 768px) {
  :root {
    --font-size-name: 30px;
    --font-size-heading: 22px;
    --font-size-large: 16px;
    --section-spacing: 2rem;
  }
  
  body {
    padding: 10px;
  }
  
  .container {
    padding: 10px;
  }
  
  .profile-header {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    text-align: center;
  }
  
  .profile-image {
    width: 180px;
    height: 180px;
    margin: 0 auto;
  }
  
  .profile-content {
    order: 2;
  }
  
  .profile-image {
    order: 1;
  }
  
  .playlist-map-row {
    flex-direction: column;
    align-items: stretch;
    gap: 2rem;
    padding: 1.5rem;
  }
  
  .playlist-section {
    max-width: 100%;
  }
  
  .playlist-section h2 {
    font-size: 18px;
  }
  
  .visitor-map {
    max-width: 100%;
    align-self: center;
  }
}

/* Mobile phones */
@media (max-width: 480px) {
  :root {
    --font-size-name: 26px;
    --font-size-heading: 20px;
    --font-size-base: 14px;
    --font-size-large: 15px;
    --section-spacing: 1.5rem;
  }
  
  .profile-image {
    width: 150px;
    height: 150px;
  }
  
  .profile-links {
    flex-direction: column;
    gap: 0.75rem;
  }
  
  .profile-links .separator {
    display: none;
  }
  
  .publication {
    padding: 0.75rem;
  }
  
  .pub-links {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
  
  .pub-links .separator {
    display: none;
  }
  
  .news-date,
  .award-date {
    display: block;
    margin-bottom: 0.25rem;
  }
  
  .playlist-map-row {
    padding: 1rem;
    margin: 2rem auto 1rem;
  }
  
  .playlist-section h2 {
    font-size: 16px;
  }
  
  .visitor-map {
    padding: 1rem;
    min-width: 240px;
  }
}

/* Large screens */
@media (min-width: 1200px) {
  :root {
    --max-width: 1000px;
  }
}

/* Print styles */
@media print {
  body {
    background-color: white;
    color: black;
  }
  
  .skip-link {
    display: none;
  }
  
  a {
    color: black;
    text-decoration: underline;
  }
  
  .profile-image img {
    border: 1px solid black;
  }
}