/*-----------------------------------*\
  #CUSTOM PROPERTIES
\*-----------------------------------*/

:root {

  --navy:        #1a2e4a;
  --navy-dark:   #0f1e31;
  --gold:        #c9a84c;
  --gold-light:  #e0c06a;
  --white:       #ffffff;
  --off-white:   #f8f9fb;
  --bg-blue:     #edf2f9;
  --text:        #2d3748;
  --text-light:  #64748b;
  --border:      #e2e8f0;

  --ff-heading: 'Playfair Display', Georgia, serif;
  --ff-body:    'Inter', system-ui, sans-serif;

  --container-max:    1100px;
  --section-padding:  96px;
  --header-height:    68px;

  --transition: 0.25s ease;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.10);

}


/*-----------------------------------*\
  #RESET
\*-----------------------------------*/

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

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

body {
  font-family: var(--ff-body);
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

li { list-style: none; }

img { display: block; max-width: 100%; }

button {
  font: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

input, textarea {
  font: inherit;
  display: block;
  width: 100%;
  background: none;
}

::selection {
  background: var(--gold);
  color: var(--navy-dark);
}

:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }


/*-----------------------------------*\
  #CONTAINER
\*-----------------------------------*/

.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 24px;
}


/*-----------------------------------*\
  #HEADER
\*-----------------------------------*/

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
}

.header-inner {
  max-width: var(--container-max);
  margin-inline: auto;
  padding: 0 24px;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-logo {
  font-family: var(--ff-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.02em;
  transition: color var(--transition);
}

.header-logo:hover { color: var(--gold); }

.nav-list {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text);
  letter-spacing: 0.02em;
  transition: color var(--transition);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gold);
  transform: scaleX(0);
  transition: transform var(--transition);
  border-radius: 1px;
}

.nav-link:hover,
.nav-link.active { color: var(--navy); }

.nav-link:hover::after,
.nav-link.active::after { transform: scaleX(1); }

.nav-link.contact-cta {
  background: var(--navy);
  color: var(--white);
  padding: 8px 20px;
  border-radius: 4px;
  transition: background var(--transition);
}

.nav-link.contact-cta::after { display: none; }

.nav-link.contact-cta:hover {
  background: var(--navy-dark);
  color: var(--white);
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
}

.mobile-menu-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: var(--transition);
}


/*-----------------------------------*\
  #SECTION COMMON
\*-----------------------------------*/

.section { padding-block: var(--section-padding); }

.bg-light { background: var(--bg-blue); }

.section-header {
  margin-bottom: 56px;
  text-align: center;
}

.section-title {
  font-family: var(--ff-heading);
  font-size: clamp(1.875rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--navy);
  position: relative;
  display: inline-block;
  padding-bottom: 16px;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 48px;
  height: 3px;
  background: var(--gold);
  border-radius: 2px;
}

.section-subtitle {
  margin-top: 16px;
  color: var(--text-light);
  font-size: 1rem;
}


/*-----------------------------------*\
  #SCROLL ANIMATIONS
\*-----------------------------------*/

[data-animate] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

[data-animate].visible {
  opacity: 1;
  transform: translateY(0);
}

[data-animate][data-delay="1"] { transition-delay: 0.1s; }
[data-animate][data-delay="2"] { transition-delay: 0.2s; }
[data-animate][data-delay="3"] { transition-delay: 0.3s; }
[data-animate][data-delay="4"] { transition-delay: 0.4s; }


/*-----------------------------------*\
  #HERO
\*-----------------------------------*/

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--navy);
  padding-top: var(--header-height);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(201, 168, 76, 0.07) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -10%;
  left: -5%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(201, 168, 76, 0.04) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  max-width: var(--container-max);
  margin-inline: auto;
  padding: 80px 24px;
  display: flex;
  align-items: center;
  gap: 80px;
  width: 100%;
  position: relative;
  z-index: 1;
}

.hero-photo {
  flex-shrink: 0;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  overflow: hidden;
  border: 4px solid rgba(201, 168, 76, 0.55);
  box-shadow: 0 0 0 10px rgba(201, 168, 76, 0.08), var(--shadow-lg);
}

.hero-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.hero-content { color: var(--white); }

.hero-eyebrow {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
}

.hero-name {
  font-family: var(--ff-heading);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--white);
  margin-bottom: 16px;
}

.hero-title {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 40px;
  font-weight: 300;
  letter-spacing: 0.01em;
}

.hero-links {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}

.hero-link {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition);
}

.hero-link ion-icon {
  font-size: 1.1rem;
  color: var(--gold);
}

.hero-link:hover { color: var(--white); }


/*-----------------------------------*\
  #ABOUT
\*-----------------------------------*/

.about-bio {
  text-align: center;
  font-size: 1.125rem;
  color: var(--text);
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: 64px;
  line-height: 1.8;
}

.expertise-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.expertise-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 36px 32px;
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}

.expertise-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: transparent;
}

.expertise-icon { margin-bottom: 20px; }

.expertise-title {
  font-family: var(--ff-heading);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 10px;
}

.expertise-text {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.7;
}


/*-----------------------------------*\
  #RESUME
\*-----------------------------------*/

.resume-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
}

.resume-column-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--ff-heading);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 36px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--gold);
}

.resume-column-title ion-icon {
  font-size: 1.2rem;
  color: var(--gold);
}

.timeline {
  position: relative;
  padding-left: 24px;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 8px;
  left: 5px;
  width: 1px;
  height: calc(100% - 8px);
  background: var(--border);
}

.timeline-item {
  position: relative;
  margin-bottom: 36px;
}

.timeline-item:last-child { margin-bottom: 0; }

.timeline-dot {
  position: absolute;
  top: 6px;
  left: -20px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--gold);
  border: 2px solid var(--off-white);
  box-shadow: 0 0 0 2px var(--gold);
}

.timeline-org {
  font-family: var(--ff-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 3px;
}

.timeline-degree {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 4px;
}

.timeline-period,
.timeline-meta {
  font-size: 0.78rem;
  color: var(--gold);
  font-weight: 600;
  letter-spacing: 0.01em;
  margin-bottom: 10px;
}

.timeline-category {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  margin-top: 14px;
  margin-bottom: 6px;
}

.timeline-category:first-of-type { margin-top: 10px; }

.timeline-bullets {
  margin-top: 10px;
  padding-left: 16px;
}

.timeline-bullets li {
  list-style: disc;
  font-size: 0.85rem;
  color: var(--text-light);
  line-height: 1.65;
  margin-bottom: 4px;
}


/*-----------------------------------*\
  #ACHIEVEMENTS
\*-----------------------------------*/

.achievements-section {
  background: var(--navy);
}

.achievements-section .section-title {
  color: var(--white);
}

.achievements-section .section-title::after {
  background: var(--gold);
}

.achievements-list {
  max-width: 800px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.achievements-list li {
  position: relative;
  padding-left: 22px;
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.975rem;
  line-height: 1.7;
}

.achievements-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold);
  flex-shrink: 0;
}

.achievements-list em {
  font-style: italic;
  color: rgba(255, 255, 255, 0.95);
}


/*-----------------------------------*\
  #RESEARCH
\*-----------------------------------*/

.column-subsection {
  margin-top: 48px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}


/*-----------------------------------*\
  #BLOG — COMING SOON
\*-----------------------------------*/

.coming-soon {
  text-align: center;
  padding: 80px 24px;
}

.coming-soon-icon {
  margin-bottom: 24px;
  color: var(--gold);
}

.coming-soon-icon ion-icon {
  display: block;
  margin: 0 auto;
  font-size: 3.5rem;
}

.coming-soon-title {
  font-family: var(--ff-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 14px;
}

.coming-soon-text {
  font-size: 1rem;
  color: var(--text-light);
  max-width: 480px;
  margin-inline: auto;
  line-height: 1.7;
}


/*-----------------------------------*\
  #SECTION TIMELINE
\*-----------------------------------*/

.section-timeline {
  max-width: 720px;
  margin-inline: auto;
}


/*-----------------------------------*\
  #RECOGNITION
\*-----------------------------------*/

.recognition-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  max-width: 960px;
  margin-inline: auto;
}

.recognition-item {
  background: var(--off-white);
  border: 1px solid var(--border);
  border-top: 3px solid var(--gold);
  border-radius: 12px;
  padding: 28px 24px;
  transition: box-shadow var(--transition), transform var(--transition);
}

.recognition-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.recognition-year,
.recognition-type {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--gold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.recognition-title {
  font-family: var(--ff-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 6px;
}

.recognition-event {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 8px;
  line-height: 1.4;
}

.recognition-detail {
  font-size: 0.82rem;
  color: var(--text-light);
  line-height: 1.6;
}

.recognition-detail em {
  font-style: italic;
  color: var(--text);
}

.recognition-date {
  font-size: 0.78rem;
  color: var(--text-light);
  margin-bottom: 12px;
}

.recognition-link {
  display: inline-block;
  margin-top: 4px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--navy);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition);
}

.recognition-link:hover { color: var(--gold); }


/*-----------------------------------*\
  #CONTACT
\*-----------------------------------*/

.contact-form {
  max-width: 640px;
  margin-inline: auto;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

.form-input {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 0.9rem;
  color: var(--text);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-input::placeholder { color: #a0aec0; }

.form-input:focus {
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(26, 46, 74, 0.08);
}

.form-input:focus:invalid { border-color: #e53e3e; }

textarea.form-input {
  min-height: 140px;
  resize: vertical;
  margin-bottom: 20px;
}

textarea.form-input::-webkit-resizer { display: none; }

.form-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--navy);
  color: var(--white);
  padding: 13px 32px;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: background var(--transition), opacity var(--transition);
  margin-left: auto;
}

.form-btn:hover { background: var(--navy-dark); }

.form-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.form-btn:disabled:hover { background: var(--navy); }

.form-btn ion-icon { font-size: 1rem; }


/*-----------------------------------*\
  #FOOTER
\*-----------------------------------*/

.site-footer {
  background: var(--navy-dark);
  color: rgba(255, 255, 255, 0.45);
  padding-block: 28px;
  text-align: center;
  font-size: 0.85rem;
}


/*-----------------------------------*\
  #RESPONSIVE
\*-----------------------------------*/

@media (max-width: 900px) {

  :root { --section-padding: 72px; }

  /* Mobile nav */
  .mobile-menu-btn { display: flex; }

  .site-nav {
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--white);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    display: none;
    padding: 20px 24px;
  }

  .site-nav.open { display: block; }

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }

  .nav-link.contact-cta { display: inline-flex; }

  /* Recognition */
  .recognition-grid { grid-template-columns: 1fr 1fr; }

}

@media (max-width: 768px) {

  :root { --section-padding: 60px; }

  /* Hero */
  .hero-inner {
    flex-direction: column;
    text-align: center;
    gap: 40px;
    padding: 60px 24px;
  }

  .hero-links { justify-content: center; }

  .hero-photo {
    width: 200px;
    height: 200px;
  }

  /* About */
  .expertise-grid { grid-template-columns: 1fr; }

  /* Recognition */
  .recognition-grid { grid-template-columns: 1fr; }

  /* Contact */
  .form-row { grid-template-columns: 1fr; }

  .form-btn {
    width: 100%;
    margin-left: 0;
  }

}

@media (max-width: 480px) {

  :root { --section-padding: 48px; }

  .hero-photo {
    width: 160px;
    height: 160px;
  }

  .expertise-card { padding: 28px 24px; }

}