/* =====================================================
   DESIGN TOKENS
===================================================== */
:root {
  --color-bg:            #f9fafb;
  --color-surface:       #ffffff;
  --color-accent:        #0e7490;
  --color-accent-hover:  #0c6478;
  --color-accent-light:  #e0f2fe;
  --color-text:          #111827;
  --color-text-secondary:#6b7280;
  --color-border:        #e5e7eb;
  --radius-sm:           8px;
  --radius-md:           12px;
  --shadow-sm:           0 1px 3px rgba(0,0,0,.07);
  --shadow-md:           0 4px 16px rgba(0,0,0,.10);
  --section-py:          80px;
}

/* =====================================================
   BASE
===================================================== */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  font-size: 1rem;
  -webkit-font-smoothing: antialiased;
  transition: background-color .25s ease, color .25s ease;
}

a { transition: color .15s; }

/* =====================================================
   NAVBAR
===================================================== */
.site-nav {
  background: var(--color-surface);
  box-shadow: 0 1px 0 var(--color-border);
  transition: top .35s ease;
  padding-top: .75rem;
  padding-bottom: .75rem;
}

.site-nav .navbar-brand {
  font-weight: 700;
  font-size: .9375rem;
  color: var(--color-text) !important;
  letter-spacing: -.01em;
}
.site-nav .navbar-brand:hover { color: var(--color-accent) !important; }

.site-nav .nav-link {
  color: var(--color-text-secondary) !important;
  font-size: .875rem;
  font-weight: 500;
  padding-left: .875rem !important;
  padding-right: .875rem !important;
}
.site-nav .nav-link:hover { color: var(--color-accent) !important; }

/* Dropdown items */
.site-nav .dropdown-menu {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: .5rem;
}
.site-nav .dropdown-item {
  font-size: .875rem;
  border-radius: var(--radius-sm);
  padding: .45rem .75rem;
  color: var(--color-text-secondary);
}
.site-nav .dropdown-item:hover {
  background: var(--color-accent-light);
  color: var(--color-accent);
}

/* Navbar hide on scroll-down */
.navbar-hide { top: -80px; }

/* Language toggle */
.btn-lang {
  font-size: .75rem;
  font-weight: 600;
  padding: 2px 10px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  color: var(--color-text-secondary);
  background: transparent;
  cursor: pointer;
  line-height: 1.6;
  transition: all .15s;
}
.btn-lang:hover {
  background: var(--color-accent-light);
  color: var(--color-accent);
  border-color: var(--color-accent-light);
}

/* =====================================================
   BUTTONS
===================================================== */
.btn-accent {
  display: inline-block;
  background: var(--color-accent);
  color: #fff !important;
  border: none;
  border-radius: var(--radius-sm);
  padding: .65rem 1.4rem;
  font-weight: 600;
  font-size: .9rem;
  text-decoration: none;
  cursor: pointer;
  transition: background .15s, box-shadow .15s;
  line-height: 1.4;
}
.btn-accent:hover {
  background: var(--color-accent-hover);
  box-shadow: 0 4px 12px rgba(14,116,144,.3);
  text-decoration: none;
}

.btn-ghost {
  display: inline-block;
  background: transparent;
  color: var(--color-accent) !important;
  border: 1.5px solid var(--color-accent);
  border-radius: var(--radius-sm);
  padding: .625rem 1.4rem;
  font-weight: 600;
  font-size: .9rem;
  text-decoration: none;
  cursor: pointer;
  transition: all .15s;
  line-height: 1.4;
}
.btn-ghost:hover {
  background: var(--color-accent-light);
  text-decoration: none;
}

/* =====================================================
   HERO
===================================================== */
.hero {
  background: var(--color-surface);
  padding: var(--section-py) 0;
  border-bottom: 1px solid var(--color-border);
}

.hero-badge {
  display: inline-block;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: var(--color-accent-light);
  border-radius: 999px;
  padding: 4px 14px;
  margin-bottom: 1rem;
}

.hero-title {
  font-size: clamp(2.25rem, 4.5vw, 3.25rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--color-text);
  margin-bottom: 1rem;
}

.hero-subtitle {
  font-size: 1.0625rem;
  color: var(--color-text-secondary);
  max-width: 480px;
  margin-bottom: 2rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  align-items: center;
}

.hero-photo {
  width: 300px;
  height: 300px;
  border-radius: 50%;
  object-fit: cover;
  object-position: top center;
  box-shadow: var(--shadow-md);
  border: 4px solid var(--color-surface);
  outline: 1px solid var(--color-border);
}

@media (max-width: 767px) {
  .hero { padding: 48px 0; text-align: center; }
  .hero-subtitle { max-width: 100%; margin-left: auto; margin-right: auto; }
  .hero-photo { width: 180px; height: 180px; margin-bottom: 2rem; }
  .hero-actions { justify-content: center; }
}

/* =====================================================
   SECTION SHARED
===================================================== */
.section-label {
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: .35rem;
}

.section-title {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--color-text);
  margin-bottom: .4rem;
}

.section-subtitle {
  font-size: .9375rem;
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

/* =====================================================
   FEATURE CARDS
===================================================== */
.features {
  padding: var(--section-py) 0;
  background: var(--color-bg);
}

.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  height: 100%;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .2s, transform .2s;
}
.feature-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--color-accent-light);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  margin-bottom: 1.1rem;
}

.feature-card h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: .4rem;
}

.feature-card p {
  font-size: .875rem;
  color: var(--color-text-secondary);
  margin-bottom: 1.1rem;
  line-height: 1.65;
}

.feature-links {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--color-border);
  padding-top: .9rem;
}
.feature-links li + li { margin-top: .45rem; }
.feature-links a {
  font-size: .875rem;
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: .375rem;
  transition: gap .15s, color .15s;
}
.feature-links a::before { content: '→'; font-size: .75rem; }
.feature-links a:hover { color: var(--color-accent-hover); gap: .6rem; }

.btn-feature-more {
  background: none;
  border: none;
  padding: 0;
  margin-top: .9rem;
  font-size: .8rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
  transition: color .15s;
}
.btn-feature-more:hover { color: var(--color-accent); }

/* =====================================================
   ABOUT / CV SECTION
===================================================== */
.about-section {
  background: var(--color-surface);
  padding: var(--section-py) 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

/* Tabs */
.about-tabs { border-bottom: none !important; }
.about-tabs .nav-link {
  font-size: .875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm) !important;
  padding: .5rem 1.1rem;
  border: 1px solid transparent !important;
  margin: 0 .2rem .5rem;
  transition: all .15s;
}
.about-tabs .nav-link:hover {
  color: var(--color-accent);
  background: var(--color-accent-light);
}
.about-tabs .nav-link.active {
  color: var(--color-accent) !important;
  background: var(--color-accent-light) !important;
  font-weight: 600;
}

.about-photo {
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  max-width: 200px;
}

/* Career list */
.career-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.career-list li {
  position: relative;
  padding: .65rem 0 .65rem 1.4rem;
  border-bottom: 1px solid var(--color-border);
  font-size: .9375rem;
  color: var(--color-text);
  line-height: 1.55;
}
.career-list li:last-child { border-bottom: none; }
.career-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 1rem;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
}

/* Awards list */
.awards-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.awards-list li {
  position: relative;
  padding: .7rem 0 .7rem 1.5rem;
  border-bottom: 1px solid var(--color-border);
  font-size: .9rem;
  color: var(--color-text);
  line-height: 1.55;
}
.awards-list li:last-child { border-bottom: none; }
.awards-list li::before {
  content: '★';
  position: absolute;
  left: 0;
  top: .75rem;
  color: var(--color-accent);
  font-size: .7rem;
}

/* Media video titles */
.media-video-title {
  font-size: .875rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: .5rem;
  line-height: 1.4;
}

/* =====================================================
   CONTACT SECTION
===================================================== */
.contact-section {
  background: var(--color-bg);
  padding: var(--section-py) 0;
}

.contact-section label {
  font-size: .875rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: .35rem;
  display: block;
}

.contact-section .form-control {
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  font-size: .9375rem;
  padding: .65rem 1rem;
  color: var(--color-text);
  background: var(--color-surface);
  transition: border-color .15s, box-shadow .15s;
  font-family: 'Inter', sans-serif;
}
.contact-section .form-control:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(14,116,144,.15);
  outline: none;
}
.contact-section .form-group { margin-bottom: 1.25rem; }

/* =====================================================
   FOOTER
===================================================== */
.site-footer {
  background: #111827;
  color: #9ca3af;
  padding: 56px 0 28px;
}
.site-footer h5 {
  color: #f3f4f6;
  font-size: .8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 1rem;
}
.site-footer p { font-size: .875rem; margin-bottom: .5rem; }
.site-footer a { color: #9ca3af; text-decoration: none; transition: color .15s; }
.site-footer a:hover { color: #fff; }

.social-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid #374151;
  color: #9ca3af;
  font-size: .8rem;
  margin-right: .35rem;
  margin-bottom: .35rem;
  transition: all .15s;
}
.social-icon:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff !important;
}

.footer-divider { border-top: 1px solid #1f2937; margin: 32px 0 20px; }
.footer-copyright { font-size: .8rem; color: #6b7280; }

/* =====================================================
   BACK TO TOP
===================================================== */
#back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  border: none;
  text-align: center;
  line-height: 40px;
  font-size: .875rem;
  box-shadow: var(--shadow-md);
  z-index: 1050;
  text-decoration: none;
  transition: background .15s;
  display: none;
}
#back-to-top:hover { background: var(--color-accent-hover); color: #fff; }

/* =====================================================
   MODALS
===================================================== */
.modal-content {
  border-radius: var(--radius-md);
  border: none;
  box-shadow: 0 20px 60px rgba(0,0,0,.15);
}
.modal-header {
  border-bottom: 1px solid var(--color-border);
  padding: 1.25rem 1.5rem;
  align-items: center;
}
.modal-title {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-text);
}
.modal-body { padding: 1.5rem; }
.modal-footer { border-top: 1px solid var(--color-border); padding: 1rem 1.5rem; }
.modal .list-group-item { border-color: var(--color-border); }
.modal .list-group-item a {
  color: var(--color-accent);
  text-decoration: none;
  font-size: .9375rem;
  font-weight: 500;
}
.modal .list-group-item a:hover { color: var(--color-accent-hover); }

/* =====================================================
   DROPDOWN ANIMATION (preserve existing collapse behaviour)
===================================================== */
.dropdown-menu.collapsing { display: block; }

@media (max-width: 767.98px) {
  .site-nav .dropdown-menu {
    padding: 0;
    margin-top: 0 !important;
    border: 0 !important;
    box-shadow: none;
    border-radius: 0 !important;
  }
  .site-nav .dropdown-menu::before { content: ""; display: block; padding-top: .25rem; }
  .site-nav .dropdown-menu::after  { content: ""; display: block; padding-bottom: .25rem; }
}

@media (min-width: 768px) {
  .dropdown > div {
    position: absolute;
    clip: rect(0.5rem, 9999px, 9999px, -9999px);
  }
  .dropdown-menu {
    height: auto !important;
    transition: transform .3s ease !important;
  }
  .dropdown-menu.collapse,
  .dropdown-menu.sliding { transform: translate(0, -100%); }
  .dropdown-menu.collapse:not(.show) { display: block; }
  .dropdown-menu.collapse.show { transform: translate(0, 0); }
}

/* =====================================================
   MAP CONTAINERS (office modals)
===================================================== */
.map-container-9,
.map-container-11 {
  overflow: hidden;
  padding-bottom: 56.25%;
  position: relative;
  height: 0;
}
.map-container-9 iframe,
.map-container-11 iframe {
  left: 0; top: 0;
  height: 100%; width: 100%;
  position: absolute;
}

/* =====================================================
   SCROLL FADE-IN ANIMATION
===================================================== */
.fade-in-up {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .5s ease, transform .5s ease;
}
.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .fade-in-up { opacity: 1; transform: none; transition: none; }
}

/* =====================================================
   RESPONSIVE SECTION PADDING
===================================================== */
@media (max-width: 767px) {
  :root { --section-py: 56px; }
  .section-title { font-size: 1.5rem; }
  .about-photo { max-width: 140px; }
}

/* =====================================================
   DARK MODE
   Manual toggle:  html[data-theme="dark"]
   System default: @media (prefers-color-scheme: dark)
                   only when the user hasn't made a choice
===================================================== */

/* -- Token overrides: manual toggle -- */
:root[data-theme="dark"] {
  --color-bg:             #0f172a;
  --color-surface:        #1e293b;
  --color-accent:         #22d3ee;
  --color-accent-hover:   #06b6d4;
  --color-accent-light:   rgba(34, 211, 238, 0.12);
  --color-text:           #f1f5f9;
  --color-text-secondary: #94a3b8;
  --color-border:         #334155;
}

/* -- Token overrides: system preference (no manual choice yet) -- */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]):not([data-theme="dark"]) {
    --color-bg:             #0f172a;
    --color-surface:        #1e293b;
    --color-accent:         #22d3ee;
    --color-accent-hover:   #06b6d4;
    --color-accent-light:   rgba(34, 211, 238, 0.12);
    --color-text:           #f1f5f9;
    --color-text-secondary: #94a3b8;
    --color-border:         #334155;
  }
}

/* -- Bootstrap overrides: manual toggle -- */
:root[data-theme="dark"] body                { background-color: var(--color-bg); color: var(--color-text); }
:root[data-theme="dark"] .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='30' height='30' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(241,245,249,0.75)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}
:root[data-theme="dark"] .form-control       { background-color: var(--color-surface); border-color: var(--color-border); color: var(--color-text); }
:root[data-theme="dark"] .form-control:focus { background-color: var(--color-surface); color: var(--color-text); }
:root[data-theme="dark"] .modal-content      { background-color: var(--color-surface); color: var(--color-text); }
:root[data-theme="dark"] .list-group-item    { background-color: var(--color-surface); border-color: var(--color-border); color: var(--color-text); }
:root[data-theme="dark"] .nav-link           { color: var(--color-text-secondary); }

/* -- Bootstrap overrides: system preference -- */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]):not([data-theme="dark"]) body                { background-color: var(--color-bg); color: var(--color-text); }
  :root:not([data-theme="light"]):not([data-theme="dark"]) .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='30' height='30' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(241,245,249,0.75)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
  }
  :root:not([data-theme="light"]):not([data-theme="dark"]) .form-control       { background-color: var(--color-surface); border-color: var(--color-border); color: var(--color-text); }
  :root:not([data-theme="light"]):not([data-theme="dark"]) .form-control:focus { background-color: var(--color-surface); color: var(--color-text); }
  :root:not([data-theme="light"]):not([data-theme="dark"]) .modal-content      { background-color: var(--color-surface); color: var(--color-text); }
  :root:not([data-theme="light"]):not([data-theme="dark"]) .list-group-item    { background-color: var(--color-surface); border-color: var(--color-border); color: var(--color-text); }
  :root:not([data-theme="light"]):not([data-theme="dark"]) .nav-link           { color: var(--color-text-secondary); }
}

/* =====================================================
   THEME TOGGLE BUTTON
   Styled as a pill — consistent with .btn-lang
===================================================== */
.btn-theme {
  font-size: .75rem;
  font-weight: 600;
  padding: 2px 10px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  color: var(--color-text-secondary);
  background: transparent;
  cursor: pointer;
  line-height: 1.6;
  transition: all .15s;
  margin-left: .25rem;
}
.btn-theme:hover {
  background: var(--color-accent-light);
  color: var(--color-accent);
  border-color: var(--color-accent-light);
}

/* Show correct icon: moon in light mode, sun in dark mode */
.btn-theme .icon-sun  { display: none; }
.btn-theme .icon-moon { display: inline; }

:root[data-theme="dark"] .btn-theme .icon-moon { display: none; }
:root[data-theme="dark"] .btn-theme .icon-sun  { display: inline; }

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]):not([data-theme="dark"]) .btn-theme .icon-moon { display: none; }
  :root:not([data-theme="light"]):not([data-theme="dark"]) .btn-theme .icon-sun  { display: inline; }
}

/* =====================================================
   GI DIGEST STRIP
===================================================== */
.gi-digest-strip {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 1.25rem 0;
}

.gi-digest-inner {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.gi-digest-meta {
  display: flex;
  flex-direction: column;
  gap: .25rem;
  flex-shrink: 0;
  min-width: 140px;
}

.gi-digest-badge {
  display: inline-flex;
  align-items: center;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: var(--color-accent-light);
  border-radius: 999px;
  padding: 3px 10px;
  width: fit-content;
}

.gi-digest-desc {
  font-size: .78rem;
  color: var(--color-text-secondary);
  line-height: 1.4;
}

.gi-digest-list {
  list-style: none;
  padding: 0;
  margin: 0;
  flex: 1;
  min-width: 0;
}

.gi-digest-list li {
  display: flex;
  align-items: baseline;
  gap: .6rem;
  padding: .3rem 0;
  border-bottom: 1px solid var(--color-border);
  font-size: .875rem;
}

.gi-digest-list li:last-child { border-bottom: none; }

.gi-digest-date {
  font-size: .75rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  white-space: nowrap;
  flex-shrink: 0;
}

.gi-digest-list a {
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
  transition: color .15s;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.gi-digest-list a:hover { color: var(--color-accent); }

.gi-digest-loading {
  font-size: .875rem;
  color: var(--color-text-secondary);
}

.gi-digest-all {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  font-size: .8rem;
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: none;
  flex-shrink: 0;
  align-self: center;
  transition: gap .15s, color .15s;
  gap: .25rem;
}
.gi-digest-all:hover { color: var(--color-accent-hover); text-decoration: none; }

@media (max-width: 767px) {
  .gi-digest-inner { flex-direction: column; gap: .75rem; }
  .gi-digest-list a { white-space: normal; }
}