/* ============================================================
   TNT Seminars – Main Stylesheet
   Brand: #29ABE2 (TNT Blue) + #fff | Source Sans 3
   Stack: Bootstrap 5.3 + Font Awesome 6
   ============================================================ */

/* ── Custom Properties ─────────────────────────────────────── */
:root {
  --tnt-blue:        #29ABE2;
  --tnt-blue-dark:   #1a8fc0;
  --tnt-blue-light:  #e8f6fd;
  --tnt-dark:        #0d1e2e;
  --tnt-dark-2:      #162636;
  --tnt-light:       #f0f7fb;
  --white:           #ffffff;
  --text-dark:       #0d1e2e;
  --text-body:       #2e4057;
  --text-muted:      #6b8095;

  --font-main:       'Source Sans 3', sans-serif;
  --navbar-h:        72px;
  --section-py:      5.5rem;
  --radius:          8px;
  --radius-lg:       14px;
  --shadow:          0 4px 24px rgba(13, 30, 46, .10);
  --shadow-lg:       0 8px 40px rgba(13, 30, 46, .15);
}

/* ── Global Reset / Base ────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--navbar-h);
}

body {
  font-family: var(--font-main);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.65;
  color: var(--text-body);
  background: var(--white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--tnt-blue); text-decoration: none; }
a:hover { color: var(--tnt-blue-dark); }

/* ── Utility classes ────────────────────────────────────────── */
.bg-light-tnt   { background-color: var(--tnt-light); }
.bg-dark-tnt    { background-color: var(--tnt-dark);  }
.bg-tnt-blue    { background-color: var(--tnt-blue);  }

.text-tnt-blue  { color: var(--tnt-blue) !important; }
.text-muted-white { color: rgba(255, 255, 255, .45); }

.section-pad    { padding: var(--section-py) 0; }
.rounded-tnt    { border-radius: var(--radius-lg); }
.shadow-tnt     { box-shadow: var(--shadow); }

/* ── Section typography ─────────────────────────────────────── */
.section-label {
  display: block;
  text-transform: uppercase;
  letter-spacing: .18em;
  font-size: .78rem;
  font-weight: 700;
  color: var(--tnt-blue);
  margin-bottom: .6rem;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.6rem);
  font-weight: 700;
  line-height: 1.18;
  color: var(--text-dark);
  margin-bottom: 0;
}
.section-title.light { color: var(--white); }

.section-body {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 60ch;
  margin-left: auto;
  margin-right: auto;
}
.section-body.light { color: rgba(255, 255, 255, .70); }

/* ── Buttons ────────────────────────────────────────────────── */
.btn-tnt {
  background-color: var(--tnt-blue);
  color: #fff;
  border: 2px solid var(--tnt-blue);
  border-radius: var(--radius);
  font-weight: 600;
  font-size: .95rem;
  letter-spacing: .04em;
  padding: .55rem 1.5rem;
  transition: background .2s ease, border-color .2s ease, transform .15s ease;
}
.btn-tnt:hover,
.btn-tnt:focus-visible {
  background-color: var(--tnt-blue-dark);
  border-color: var(--tnt-blue-dark);
  color: #fff;
  transform: translateY(-1px);
}

.btn-register {
  font-size: .85rem;
  padding: .45rem 1.25rem;
  letter-spacing: .06em;
  text-transform: uppercase;
}


/* ============================================================
   NAVBAR
   Transparent over hero → solid white on scroll
   ============================================================ */
#mainNav {
  height: var(--navbar-h);
  padding: 0;
  transition:
    background .35s ease,
    box-shadow  .35s ease;
  background: transparent;
  z-index: 1030;
}

/* Solid state (triggered by JS .scrolled class) */
#mainNav.scrolled {
  background: var(--white);
  box-shadow: 0 2px 16px rgba(13, 30, 46, .10);
}

/* Logo */
.nav-logo {
  height: 60px;
  width: auto;
  /* Over hero: logo will render against dark overlay – adjust filter if needed */
  filter: brightness(0) invert(1);          /* → pure white over hero */
  transition: filter .35s ease;
}
#mainNav.scrolled .nav-logo {
  filter: none;                              /* → original colours on white bg */
}

/* Nav links */
#mainNav .nav-link {
  color: rgba(255, 255, 255, .85);
  font-weight: 600;
  font-size: 1.2rem;
  padding: .5rem .7rem;
  transition: color .2s;
}
#mainNav.scrolled .nav-link      { color: var(--text-dark); }
#mainNav        .nav-link:hover  { color: var(--white); }
#mainNav.scrolled .nav-link:hover { color: var(--tnt-blue); }

/* Active link indicator */
#mainNav .nav-link.active-section { color: var(--tnt-blue) !important; }

/* Mobile toggler */
#mainNav .navbar-toggler {
  border-color: rgba(255, 255, 255, .5);
  padding: .35rem .6rem;
}
#mainNav .navbar-toggler-icon {
  filter: invert(1);                         /* white icon over hero */
}
#mainNav.scrolled .navbar-toggler {
  border-color: var(--tnt-blue);
}
#mainNav.scrolled .navbar-toggler-icon {
  filter: none;
}

/* Mobile collapsed menu */
@media (max-width: 991.98px) {
  #navMenu {
    background: var(--white);
    padding: 1rem;
    border-radius: var(--radius);
    margin-top: .5rem;
    box-shadow: var(--shadow);
  }
  #navMenu .nav-link { color: var(--text-dark) !important; }
  #navMenu .nav-link:hover { color: var(--tnt-blue) !important; }
}


/* ============================================================
   HERO
   ============================================================ */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  padding-bottom: 0;
}

/* Background crossfade slides */
.hero-slides {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-slide {
  position: absolute;
  inset: 0;
  background-position: center center;
  background-size: cover;
  background-repeat: no-repeat;
  opacity: 0;
  transition: opacity 1.2s ease;
}

.hero-slide.active {
  opacity: 1;
}

/* Dot indicators */
.hero-indicators {
  position: absolute;
  bottom: 1.75rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: .65rem;
  align-items: center;
  z-index: 10;
}

.hero-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, .55);
  background: transparent;
  padding: 0;
  cursor: pointer;
  transition: background .25s ease, border-color .25s ease, transform .2s ease;
}

.hero-dot.active {
  background: var(--tnt-blue);
  border-color: var(--tnt-blue);
  transform: scale(1.3);
}

.hero-dot:hover:not(.active) {
  border-color: var(--white);
  background: rgba(255, 255, 255, .3);
}

/* Prev / Next arrows */
.hero-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1.5px solid rgba(255, 255, 255, .35);
  background: rgba(13, 30, 46, .30);
  color: rgba(255, 255, 255, .80);
  font-size: 1rem;
  cursor: pointer;
  opacity: 0;
  transition: opacity .3s ease, background .2s ease, border-color .2s ease, transform .2s ease;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.hero-arrow--prev { left: 1.25rem; }
.hero-arrow--next { right: 1.25rem; }

.hero-section:hover .hero-arrow {
  opacity: 1;
}

.hero-arrow:hover {
  background: rgba(41, 171, 226, .50);
  border-color: var(--tnt-blue);
  color: var(--white);
  transform: translateY(-50%) scale(1.08);
}

/* Slide background images – desktop */
.hero-slide--1 { background-image: url('../assets/img/hero-bg.webp'); }
.hero-slide--2 { background-image: url('../assets/img/12_web_banner-v2.webp'); }
.hero-slide--3 { background-image: url('../assets/img/seminar_hero-bg.webp'); }

/* Slide background images – mobile portrait overrides */
@media (max-width: 767.98px) {
  .hero-slide--1 { background-image: url('../assets/img/hero-bg-portrait.webp'); }
  .hero-slide--2 { background-image: url('../assets/img/12_web_banner-portrait.webp'); }
}

/* Gradient overlay: subtle dark at bottom for text legibility */
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(13, 30, 46, .68)  0%,
    rgba(13, 30, 46, .25)  40%,
    rgba(13, 30, 46, .05)  70%,
    rgba(13, 30, 46, .00) 100%
  );
  pointer-events: none;
}

.hero-section .container {
  padding-bottom: 5rem;
}

.hero-badge {
  display: inline-block;
  background: rgba(41, 171, 226, .20);
  border: 1px solid rgba(41, 171, 226, .50);
  color: var(--tnt-blue);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  padding: .3rem .9rem;
  border-radius: 2rem;
  margin-bottom: 1.1rem;
}

.hero-title {
  font-size: clamp(1.55rem, 2.8vw, 2.4rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -.01em;
  text-shadow: 0 2px 12px rgba(0, 0, 0, .30);
  margin-bottom: .4rem;
}

.hero-glass {
  display: block;
  background: rgba(13, 30, 46, .48);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: var(--radius-lg);
  padding: 1.5rem 2rem;
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  font-weight: 300;
  letter-spacing: .04em;
  opacity: .8;
  margin-bottom: 0;
}

.hero-meta-item {
  color: rgba(255, 255, 255, .75);
  font-size: .9rem;
  font-weight: 600;
  letter-spacing: .04em;
}
.hero-meta-item i {
  color: var(--tnt-blue);
  margin-right: .4rem;
}


/* ============================================================
   INTRODUCTION – stats
   ============================================================ */
.stat-block {
  padding: 1.25rem;
  border-left: 3px solid var(--tnt-blue);
}

.stat-number {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  color: var(--tnt-blue);
  line-height: 1;
  margin-bottom: .25rem;
}
.stat-number sup {
  font-size: .5em;
  font-weight: 600;
  vertical-align: super;
}

.stat-label {
  font-size: .8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--text-muted);
  margin-bottom: 0;
}


/* ============================================================
   INTRODUCTION – Welcome Address
   ============================================================ */
.welcome-toggle {
  display: inline-flex;
  align-items: center;
  background: rgba(41, 171, 226, .08);
  border: 1.5px solid rgba(41, 171, 226, .30);
  border-radius: 2rem;
  padding: .6rem 1.25rem;
  color: var(--tnt-blue);
  font-family: var(--font-main);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: .02em;
  cursor: pointer;
  transition: background .2s ease, border-color .2s ease, color .2s ease, transform .15s ease;
}
.welcome-toggle:hover {
  background: rgba(41, 171, 226, .16);
  border-color: var(--tnt-blue);
  color: var(--tnt-blue-dark);
  transform: translateY(-1px);
}

.welcome-toggle-icon {
  transition: transform .3s ease;
}
.welcome-toggle[aria-expanded="true"] .welcome-toggle-icon {
  transform: rotate(180deg);
}

.welcome-address-card {
  background: var(--tnt-light);
  border-left: 3px solid var(--tnt-blue);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 1.75rem 2rem;
  font-size: .95rem;
  color: var(--text-body);
  line-height: 1.75;
}
.welcome-address-card p { margin-bottom: .9rem; }
.welcome-address-card p:last-child { margin-bottom: 0; }

.welcome-chairs {
  border-top: 1px solid rgba(41, 171, 226, .20);
  padding-top: 1rem;
}

.chair-photo {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  object-position: top center;
  flex-shrink: 0;
  border: 2px solid var(--tnt-blue);
}

.chair-role {
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--tnt-blue);
  margin-bottom: .25rem;
}
.chair-name {
  font-size: .95rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 0;
}


/* ============================================================
   WHY ATTEND
   ============================================================ */
.why-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2rem 1.75rem;
  height: 100%;
  box-shadow: var(--shadow);
  border-top: 3px solid var(--tnt-blue);
  transition: transform .25s ease, box-shadow .25s ease;
}
.why-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.why-number {
  display: block;
  font-size: 3rem;
  font-weight: 700;
  color: rgba(41, 171, 226, .18);
  line-height: 1;
  margin-bottom: .75rem;
  letter-spacing: -.03em;
}

.why-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: .75rem;
  line-height: 1.3;
}

.why-body {
  font-size: .9rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 0;
}


/* ============================================================
   PROGRAM
   ============================================================ */
/* Pill nav tabs */
.program-tabs .nav-link {
  color: rgba(255, 255, 255, .60);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, .20);
  border-radius: var(--radius);
  font-weight: 600;
  font-size: .85rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: .5rem 1.75rem;
  transition: all .2s;
}
.program-tabs .nav-link:hover {
  color: var(--white);
  border-color: rgba(255, 255, 255, .45);
}
.program-tabs .nav-link.active {
  background: var(--tnt-blue);
  border-color: var(--tnt-blue);
  color: var(--white);
}

/* Session rows */
.program-block {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.program-block:last-child { border-bottom: none; }

.program-time {
  flex-shrink: 0;
  width: 3.5rem;
  font-size: .82rem;
  font-weight: 700;
  color: var(--tnt-blue);
  letter-spacing: .04em;
  padding-top: .15rem;
}

.program-session-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: .1rem;
}
.program-session-speaker {
  font-size: .85rem;
  color: rgba(255, 255, 255, .55);
  margin-bottom: 0;
  font-style: italic;
}

/* Break rows – visually lighter */
.program-break .program-session-title {
  color: rgba(255, 255, 255, .40);
  font-weight: 400;
}

/* Venue location strip */
.program-venue {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-size: .78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--tnt-blue);
  padding: .9rem 0 .75rem;
  border-bottom: 1px solid rgba(41, 171, 226, .20);
  margin-bottom: .25rem;
}
.program-venue i { font-size: .9rem; }

.program-venue--transfer {
  color: rgba(255, 255, 255, .40);
  font-size: .75rem;
  border-bottom-color: rgba(255, 255, 255, .07);
}
.program-venue--transfer i { color: rgba(255, 255, 255, .30); }

/* Session accordion */
.program-accordion-item {
  margin: .5rem 0;
  border-radius: var(--radius);
  overflow: hidden;
}

.program-accordion-header {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 1rem;
  background: rgba(41, 171, 226, .10);
  border: 1px solid rgba(41, 171, 226, .22);
  border-radius: var(--radius);
  padding: .9rem 1.25rem;
  cursor: pointer;
  text-align: left;
  transition: background .2s ease, border-color .2s ease;
}
.program-accordion-header:hover,
.program-accordion-header[aria-expanded="true"] {
  background: rgba(41, 171, 226, .18);
  border-color: rgba(41, 171, 226, .45);
}

.pah-left {
  display: flex;
  flex-direction: column;
  gap: .25rem;
  min-width: 9rem;
}

.pah-time {
  font-size: .8rem;
  font-weight: 700;
  color: var(--tnt-blue);
  letter-spacing: .03em;
}

.pah-label {
  font-size: .68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  padding: .15rem .5rem;
  border-radius: 2rem;
  width: fit-content;
}

.session-theory {
  background: rgba(41, 171, 226, .15);
  color: var(--tnt-blue);
}

.session-lab {
  background: rgba(255, 165, 50, .15);
  color: #f59e3a;
}

.pah-title {
  flex: 1;
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
}

.pah-icon {
  color: rgba(255, 255, 255, .45);
  font-size: .8rem;
  transition: transform .3s ease;
  flex-shrink: 0;
}
.program-accordion-header[aria-expanded="true"] .pah-icon {
  transform: rotate(180deg);
}

/* Talk rows inside accordion */
.program-accordion-body {
  border: 1px solid rgba(41, 171, 226, .15);
  border-top: none;
  border-radius: 0 0 var(--radius) var(--radius);
  padding: .25rem 0;
  background: rgba(255, 255, 255, .03);
}

.program-talk {
  display: flex;
  align-items: baseline;
  gap: 1.25rem;
  padding: .6rem 1.25rem;
  border-bottom: 1px solid rgba(255, 255, 255, .05);
}
.program-talk:last-child { border-bottom: none; }

.talk-time {
  flex-shrink: 0;
  font-size: .75rem;
  font-weight: 700;
  color: rgba(255, 255, 255, .35);
  width: 8rem;
  letter-spacing: .02em;
}

.talk-title {
  font-size: .9rem;
  color: rgba(255, 255, 255, .75);
  line-height: 1.45;
}

/* Coming-soon placeholder for days not yet published */
.program-coming-soon {
  text-align: center;
  color: rgba(255, 255, 255, .30);
  padding: 4rem 0;
}


/* ============================================================
   FACULTY
   ============================================================ */
.faculty-card {
  background: var(--white);
  border: 1px solid rgba(41, 171, 226, .12);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: transform .25s ease, box-shadow .25s ease;
}
.faculty-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.faculty-img-wrap {
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: var(--tnt-light);
}

.faculty-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  filter: grayscale(100%) brightness(.95);
  transition: transform .4s ease, filter .4s ease;
}
.faculty-card:hover .faculty-img {
  transform: scale(1.04);
  filter: grayscale(0%) brightness(1);
}

.faculty-info {
  padding: .9rem 1rem;
  border-top: 2px solid var(--tnt-blue);
}

.faculty-name {
  font-size: .88rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: .2rem;
  line-height: 1.3;
}

.faculty-country {
  font-size: .73rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0;
  letter-spacing: .02em;
}
.faculty-country i {
  color: var(--tnt-blue);
  font-size: .65rem;
  margin-right: .25rem;
}

/* Faculty modals */
.faculty-modal .modal-backdrop,
.modal-backdrop {
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  background-color: rgba(13, 30, 46, .55);
}

.faculty-modal-content {
  border: none;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--white);
  box-shadow: 0 24px 60px rgba(13, 30, 46, .25);
  position: relative;
}

.faculty-modal-close {
  position: absolute;
  top: .85rem;
  right: .85rem;
  z-index: 10;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  background: rgba(13, 30, 46, .65);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .85rem;
  cursor: pointer;
  transition: background .2s;
}
.faculty-modal-close:hover { background: var(--tnt-blue); }

.faculty-modal-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: top center;
  min-height: 280px;
  display: block;
}

.faculty-modal-body {
  padding: 2rem 2rem 2rem 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  overflow-y: auto;
}

/* Section headings inside CV modals */
.faculty-modal-section-head {
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .14em;
  color: var(--tnt-blue);
  margin: 1rem 0 .4rem;
}

/* Lists inside CV modals */
.faculty-modal-body ul {
  padding-left: 1.1rem;
  margin-bottom: 0;
}
.faculty-modal-body ul li {
  font-size: .88rem;
  color: var(--text-body);
  line-height: 1.55;
  margin-bottom: .2rem;
}

.faculty-modal-country {
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--tnt-blue);
  margin-bottom: .5rem;
}
.faculty-modal-country i { margin-right: .3rem; }

.faculty-modal-name {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 1rem;
  line-height: 1.2;
  padding-bottom: .75rem;
  border-bottom: 2px solid var(--tnt-blue);
}

.faculty-modal-cv {
  font-size: .92rem;
  color: var(--text-body);
  line-height: 1.7;
  margin-bottom: 0;
}


/* ============================================================
   VENUE
   ============================================================ */
.venue-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(13, 30, 46, .08);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.venue-card-img-wrap {
  position: relative;
  height: 220px;
  overflow: hidden;
}

.venue-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .5s ease;
}
.venue-card:hover .venue-card-img { transform: scale(1.04); }

.venue-badge {
  position: absolute;
  bottom: .9rem;
  left: .9rem;
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .12em;
  padding: .3rem .75rem;
  border-radius: 50px;
  backdrop-filter: blur(6px);
}
.venue-badge--theory { background: rgba(41, 171, 226, .88); color: #fff; }
.venue-badge--lab    { background: rgba(13, 30, 46, .82);   color: #fff; }

.venue-card-body {
  padding: 1.75rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.venue-card-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--tnt-dark);
  margin-bottom: .2rem;
}

.venue-card-sub {
  font-size: .78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--tnt-blue);
  margin-bottom: 1rem;
}

.venue-card-desc {
  font-size: .88rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.venue-address {
  font-style: normal;
  margin-top: auto;
}
.venue-address p {
  margin-bottom: .45rem;
  color: var(--text-muted);
  font-size: .88rem;
}
.venue-address a {
  color: var(--text-muted);
  text-decoration: none;
}
.venue-address a:hover { color: var(--tnt-blue); }

/* ============================================================
   TESTIMONIALS
   ============================================================ */
#testimonialsCarousel .carousel-item {
  min-height: 330px;
}

.testimonial-card {
  padding: 2.5rem 1.5rem 1rem;
}

.testimonial-quote-icon {
  font-size: 2.5rem;
  color: var(--tnt-blue);
  margin-bottom: 1.25rem;
  display: block;
}

.testimonial-text {
  font-size: 1.15rem;
  font-style: italic;
  font-weight: 300;
  color: rgba(255, 255, 255, .85);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.testimonial-author {
  font-size: .9rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: .15rem;
}

.testimonial-affiliation {
  font-size: .8rem;
  color: var(--tnt-blue);
  margin-bottom: 0;
}

/* Carousel controls – recolour for dark section */
#testimonialsCarousel .carousel-control-prev,
#testimonialsCarousel .carousel-control-next {
  width: 3rem;
  opacity: 1;
}
#testimonialsCarousel .carousel-control-prev-icon,
#testimonialsCarousel .carousel-control-next-icon {
  filter: none;
  opacity: .5;
  transition: opacity .2s;
}
#testimonialsCarousel .carousel-control-prev:hover .carousel-control-prev-icon,
#testimonialsCarousel .carousel-control-next:hover .carousel-control-next-icon {
  opacity: 1;
}

#testimonialsCarousel .carousel-indicators {
  position: static;
  margin-top: 2rem;
}
#testimonialsCarousel .carousel-indicators [data-bs-slide-to] {
  background-color: rgba(255, 255, 255, .35);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: none;
}
#testimonialsCarousel .carousel-indicators .active {
  background-color: var(--tnt-blue);
}


/* ============================================================
   REGISTRATION
   ============================================================ */
.reg-deadline-banner {
  background: rgba(0, 0, 0, .25);
  border: 1px solid rgba(255, 255, 255, .2);
  border-radius: var(--radius);
  color: #fff;
  padding: .85rem 1.5rem;
  text-align: center;
  font-size: .95rem;
}
.reg-deadline-date {
  font-weight: 700;
  letter-spacing: .02em;
}

/* Fee cards */
.reg-card {
  background: rgba(255, 255, 255, .12);
  border: 1px solid rgba(255, 255, 255, .2);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  text-align: center;
  height: 100%;
  transition: transform .25s ease, box-shadow .25s ease;
}
.reg-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, .18);
}
.reg-card--featured {
  background: #fff;
  border-color: #fff;
}
.reg-card--featured .reg-card-tier,
.reg-card--featured .reg-card-note {
  color: var(--text-muted);
}
.reg-card--featured .reg-card-price {
  color: var(--tnt-blue-dark);
}
.reg-card--featured .reg-card-divider {
  border-color: rgba(0, 0, 0, .1);
}
.reg-card-tier {
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .65);
  margin-bottom: .75rem;
}
.reg-card-price {
  font-size: 2.4rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.1;
  margin-bottom: .25rem;
}
.reg-card-amount {
  /* swap letter-spacing for number readability */
  letter-spacing: -.01em;
}
.reg-card-note {
  font-size: .82rem;
  color: rgba(255, 255, 255, .6);
  margin-bottom: .5rem;
}
.reg-card-divider {
  border-color: rgba(255, 255, 255, .2);
  margin: 1rem 0;
}

/* Includes list */
.reg-includes-list {
  list-style: none;
  padding: 0;
  margin: 0;
  color: rgba(255, 255, 255, .85);
  font-size: .95rem;
  display: inline-block;
  text-align: left;
}
.reg-includes-list li {
  padding: .3rem 0;
}
.reg-includes-list .fa-check {
  color: rgba(255, 255, 255, .7);
}

.reg-cta-btn {
  font-weight: 700;
  letter-spacing: .02em;
}
.reg-seats-note {
  font-size: .85rem;
  color: rgba(255, 255, 255, .65);
}

/* VAT / accommodation disclaimer */
.reg-disclaimer {
  font-size: .85rem;
  color: rgba(255, 255, 255, .6);
  margin-top: .5rem;
  margin-bottom: 0;
}

/* FESSH grant callout */
.reg-grant-box {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  background: #fff;
  border: 1px solid rgba(255, 255, 255, .25);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.75rem;
}
.reg-grant-icon {
  flex-shrink: 0;
  margin-top: .1rem;
}
.reg-grant-fessh-logo {
  height: 52px;
  width: auto;
}
.reg-grant-title {
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: .4rem;
}
.reg-grant-text {
  font-size: .95rem;
  color: var(--text-muted);
  margin-bottom: 0;
  line-height: 1.55;
}

/* Includes heading */
.reg-includes-heading {
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .55);
  margin-bottom: 1rem;
}

/* ============================================================
   PREVIOUS SEMINARS – edition tabs (light background variant)
   ============================================================ */
.gallery-tabs .nav-link {
  color: var(--text-muted);
  background: transparent;
  border: 1px solid rgba(41, 171, 226, .25);
  border-radius: var(--radius);
  font-weight: 600;
  font-size: .85rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: .5rem 1.75rem;
  transition: all .2s;
}
.gallery-tabs .nav-link:hover {
  color: var(--tnt-blue);
  border-color: var(--tnt-blue);
  background: rgba(41, 171, 226, .06);
}
.gallery-tabs .nav-link.active {
  background: var(--tnt-blue);
  border-color: var(--tnt-blue);
  color: var(--white);
}

/* ============================================================
   PREVIOUS SEMINARS – moments gallery
   ============================================================ */
.moments-img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: var(--radius);
  transition: transform .35s ease, box-shadow .35s ease;
  box-shadow: var(--shadow);
}
.moments-img:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-lg);
}

@media (min-width: 768px) {
  .moments-img { height: 260px; }
}


/* ============================================================
   CONTACT
   ============================================================ */
.contact-card {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 24px rgba(13, 30, 46, .08);
  overflow: hidden;
}
.contact-card-logo {
  display: block;
  width: 100%;
  max-width: 340px;
  height: auto;
  margin: 2rem auto 0;
  padding: 0 1.5rem;
}
.contact-card-body {
  padding: 1.5rem 2rem 2rem;
  font-style: normal;
  margin-bottom: 0;
}
.contact-list li {
  display: flex;
  align-items: flex-start;
  gap: .9rem;
  padding: .75rem 0;
  border-bottom: 1px solid rgba(41, 171, 226, .12);
  font-size: .95rem;
  color: var(--text-body);
}
.contact-list li:last-child { border-bottom: none; }
.contact-list i { font-size: 1.05rem; width: 1.2rem; text-align: center; margin-top: .15rem; flex-shrink: 0; }
.contact-list a { color: var(--text-body); font-weight: 600; text-decoration: none; }
.contact-list a:hover { color: var(--tnt-blue); }


/* ============================================================
   FOOTER
   ============================================================ */
.footer-tnt {
  border-top: 1px solid rgba(255, 255, 255, .06);
}

.footer-main {
  padding: 3rem 0 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.footer-logo {
  height: 36px;
  width: auto;
  filter: brightness(0) invert(1);         /* white on dark bg */
  opacity: .85;
}

.footer-links a {
  font-size: .85rem;
  font-weight: 600;
  color: rgba(255, 255, 255, .55);
  letter-spacing: .04em;
  text-transform: uppercase;
  transition: color .2s;
}
.footer-links a:hover { color: var(--tnt-blue); }

.footer-bottom {
  padding: 1.25rem 0;
}

.footer-social {
  display: flex;
  justify-content: center;
  gap: .75rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, .08);
  color: rgba(255, 255, 255, .55);
  font-size: .95rem;
  transition: background .2s, color .2s;
  text-decoration: none;
}
.footer-social a:hover {
  background: var(--tnt-blue);
  color: #fff;
}

.footer-patronage {
  padding: 1.5rem 0;
  text-align: center;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.footer-fessh-logo {
  display: block;
  margin: 0 auto;
  height: 100px;
  width: auto;
  filter: brightness(0) invert(1);
  opacity: .55;
  transition: opacity .25s;
}
.footer-fessh-logo:hover {
  opacity: .85;
}


/* ============================================================
   Responsive tweaks
   ============================================================ */
@media (max-width: 575.98px) {
  :root { --section-py: 3.5rem; }

  .hero-title { font-size: 1.35rem; }
  .hero-meta-item { font-size: .8rem; }
  .hero-section .container { padding-bottom: 3.5rem; }

  .stat-block { border-left-width: 2px; padding: .9rem; }

  .program-block { gap: 1rem; }
  .program-time { width: 3rem; }
}


/* ============================================================
   HERO – load-in animation
   ============================================================ */
@keyframes heroFadeUp {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-anim {
  opacity: 0;
  animation: heroFadeUp .7s ease forwards;
}

.hero-anim-1 { animation-delay: .3s; }
.hero-anim-2 { animation-delay: .55s; }
.hero-anim-3 { animation-delay: .75s; }
.hero-anim-4 { animation-delay: .95s; }
.hero-anim-5 { animation-delay: 1.15s; }

@media (prefers-reduced-motion: reduce) {
  .hero-anim {
    opacity: 1;
    animation: none;
  }
}


/* ============================================================
   SCROLL REVEAL
   ============================================================ */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity  .5s ease,
    transform .5s ease;
}

[data-reveal="fade"] {
  transform: none; /* pure fade, no rise */
}

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

/* Stagger delays – apply via data-delay="n" (ms) */
[data-delay="80"]  { transition-delay:  80ms; }
[data-delay="160"] { transition-delay: 160ms; }
[data-delay="240"] { transition-delay: 240ms; }
[data-delay="320"] { transition-delay: 320ms; }
[data-delay="400"] { transition-delay: 400ms; }
[data-delay="480"] { transition-delay: 480ms; }

/* Respect reduced-motion preference */
@media (prefers-reduced-motion: reduce) {
  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}