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

/* ========== CUSTOM PROPERTIES ========== */
:root {
  --color-bg: #ffffff;
  --color-light: #f7f7f7;
  --color-dark: #333333;
  --color-accent: hsl(200, 50%, 60%);
  --color-accent-hover: hsla(200, 50%, 60%, 0.689);

  --font-main: "Helvetica Neue", Arial, sans-serif;
  --font-size-base: 1rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 2rem;

  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 2rem;
  --spacing-xl: 4rem;

  --radius: 8px;
  --transition: all 0.3s ease-in-out;
}

/* ========== GLOBAL STYLES ========== */
body {
  font-family: var(--font-main);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-dark);
  background: var(--color-bg);
  padding-top: 60px;
}

.portrait {
  display: block;
  max-width: 330px;
  aspect-ratio: 330/630;
  border-radius: var(--radius);
  margin: 0 auto var(--spacing-md);
}

h1,
h2,
h3 {
  margin-bottom: var(--spacing-md);
  font-weight: 600;
}

.subtitle {
  font-size: var(--font-size-lg);
  font-weight: 400;
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
  color: var(--color-accent);
}

/* ========== UTILITIES ========== */
.text-center {
  text-align: center;
}
.mt-2 {
  margin-top: var(--spacing-md);
}
.bg-light {
  background: var(--color-light);
}
.responsive-img {
  width: 100%;
  height: auto;
  display: block;
}

/* ========== LAYOUT ========== */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: var(--spacing-md);
  padding-top: var(--spacing-md);
}

.flex {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}

.two-col > * {
  flex: 1;
  min-width: 300px;
}

/* ========== NAVIGATION ========== */
.site-navigation {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--color-accent);
  color: #fff;
  padding: var(--spacing-sm) 0;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
  z-index: 1000;
}

.nav-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.navbar .nav-menu {
  list-style: none;
  display: flex;
  gap: var(--spacing-md);
  margin: 0;
  padding: 0;
}

/* Button-style navigation links */
.navbar a {
  color: #fff;
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  padding: var(--spacing-sm);
  border-radius: var(--radius);
  background: var(--color-accent);
  border: 2px solid transparent;
}

.navbar a:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

/* Dropdown */
.dropdown {
  position: relative;
}

.dropdown > a {
  padding-right: calc(var(--spacing-md) + 12px);
  position: relative;
}

.dropdown > a::after {
  content: "▾";
  position: absolute;
  right: var(--spacing-sm);
  top: 50%;
  transform: translateY(-50%);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: #fff;
  list-style: none;
  padding: 0;
  margin: 0;
  display: none;
  flex-direction: column;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  border-radius: var(--radius);
  min-width: 180px;
  z-index: 1001;
}

.dropdown-menu li {
  padding: 0;
}

.dropdown-menu a {
  background: #fff;
  color: var(--color-dark);
  padding: var(--spacing-sm);
  display: block;
  border-radius: 0;
  border: none;
  text-align: left;
}

.dropdown-menu a:hover {
  background: var(--color-light);
  color: var(--color-accent);
  transform: none;
  box-shadow: none;
}

.dropdown:hover .dropdown-menu {
  display: flex;
}

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  padding: var(--spacing-sm);
  background: transparent;
  border: none;
  gap: 4px;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background: #fff;
  transition: var(--transition);
  border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* ========== HEADER ========== */
.site-header {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  text-align: center;
  width: 100%;
  min-height: 25vh;
  overflow: hidden;
  background-size: cover !important;
  background-color: var(--color-accent);
  margin-top: 0;
}

.site-title {
  font-style: normal;
  font-weight: bold;
  color: #eee;
  font-size: 3vmin;
  letter-spacing: 0.03em;
  line-height: 1;
  text-shadow: 1px 2px 4px rgba(0, 0, 0, 0.8);
}

/* ========== SECTIONS ========== */
.intro {
  width: 100%;
  padding: var(--spacing-lg) 0;
}

.intro-left {
  padding: 0 var(--spacing-md);
}

.intro-left p {
  padding-top: var(--spacing-sm);
}

.intro-right {
  padding: 0 var(--spacing-md);
}

.intro .name {
  margin: 0;
  padding: 0;
}

.quote {
  font-size: clamp(1.2rem, 4vw, 1.5rem);
  font-weight: 400;
  line-height: 1.4;
  color: black;
  margin: var(--spacing-md) 0;
}

.section {
  display: flex;
  flex-direction: column;
  gap: 30px;
  margin-bottom: 3rem;
  margin-top: 3rem;
  flex-direction: row;
}

.section-content {
  flex: 1;
}

.section-image {
  flex: 1;
}

.layout-right .section-image {
  order: 2;
}
.layout-right .section-content {
  order: 1;
}
.layout-left .section-image {
  order: 1;
}
.layout-left .section-content {
  order: 2;
}

.layout-noimg {
  justify-content: center;
  text-align: center;
}

.media {
  margin: var(--spacing-lg) 0;
  text-align: center;
}
.media iframe {
  max-width: 100%;
  border-radius: var(--radius);
}

.article-grid {
  display: grid;
  gap: var(--spacing-md);
  margin: var(--spacing-md) 0;
}
.article-card {
  display: block;
  padding: var(--spacing-md);
  background: var(--color-light);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--color-dark);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
  transition: var(--transition);
}
.article-card:hover {
  background: var(--color-accent);
  color: #fff;
}

/* ========== FOOTER ========== */
.site-footer {
  background: var(--color-light);
  padding: var(--spacing-lg) var(--spacing-md);
}

.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
  text-align: center;
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
}

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

@media (max-width: 768px) {
  .container {
    padding: var(--spacing-md);
  }

  .flex {
    gap: var(--spacing-md);
  }

  .two-col > * {
    min-width: 100%;
  }

  .section {
    margin-bottom: 2rem;
    margin-top: 2rem;
    gap: 20px;
    flex-direction: column;
  }

  .portrait {
    max-width: 115px;
    aspect-ratio: 330/630;
  }

  .layout-right .section-image,
  .layout-right .section-content,
  .layout-left .section-image,
  .layout-left .section-content {
    order: 0;
  }

  .specialties-list {
    columns: 1;
  }

  .hamburger {
    display: flex;
  }
  
  .navbar {
    position: fixed;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--color-accent);
    transition: var(--transition);
    opacity: 0;
    visibility: hidden;
    padding: var(--spacing-md) 0;
  }
  
  .navbar.active {
    top: 40px;
    opacity: 1;
    visibility: visible;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  }
  
  .navbar .nav-menu {
    flex-direction: column;
    gap: 0;
    width: 100%;
  }
  
  .navbar .nav-menu li {
    width: 100%;
    text-align: center;
  }
  
  .navbar a {
    display: block;
    width: 100%;
    text-align: center;
    padding: var(--spacing-md);
    border-radius: 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    background: transparent;
  }
  
  .navbar a:hover {
    background: var(--color-accent);
    transform: none;
    box-shadow: none;
  }
  
  .dropdown-menu {
    position: static;
    width: 100%;
    margin-top: 0;
    display: none;
    background: rgba(0,0,0,0.2);
    box-shadow: none;
    border-radius: 0;
  }
  
  .dropdown.active .dropdown-menu {
    display: flex;
  }
  
  .dropdown > a::after {
    content: "▸";
  }
  
  .dropdown.active > a::after {
    content: "▾";
  }
}