:root {
  --blue: #1a5fd4;
  --blue-dark: #1148aa;
  --blue-light: #e8eeff;
  --blue-mid: #d0d9f7;
  --bg: #edf0fb;
  --bg-white: #ffffff;
  --text: #0d1b36;
  --text-mid: #3a4f6e;
  --text-soft: #7a8fa8;
  --border: #d4daf0;
  --border-mid: #bbc4e4;
  --shadow-sm: 0 1px 4px rgba(26, 95, 212, 0.07);
  --shadow-md: 0 4px 18px rgba(26, 95, 212, 0.10);
  --shadow-lg: 0 8px 32px rgba(26, 95, 212, 0.13);
  --nav-h: 66px;
}

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

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

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden
}

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

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

a,
button,
.hamburger {
  appearance: none;
  -webkit-appearance: none;
  -webkit-tap-highlight-color: transparent;
  -webkit-focus-ring-color: transparent;
}

a:focus:not(:focus-visible),
button:focus:not(:focus-visible),
.hamburger:focus:not(:focus-visible) {
  outline: none;
  box-shadow: none;
}

a:focus-visible,
button:focus-visible,
.hamburger:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 3px;
}

a::-moz-focus-inner,
button::-moz-focus-inner {
  border: 0;
}

sup {
  font-size: .6em;
  vertical-align: super
}

::-webkit-scrollbar {
  width: 5px
}

::-webkit-scrollbar-track {
  background: var(--bg)
}

::-webkit-scrollbar-thumb {
  background: var(--border-mid);
  border-radius: 4px
}

/* ── NAVBAR ─────────────────────────────────────────── */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-h);
  background: rgba(255, 255, 255, .78);
  border-bottom: 1px solid rgba(212, 218, 240, .7);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: box-shadow .3s, background .3s, border-color .3s;
}

#navbar.scrolled {
  background: rgba(255, 255, 255, .62);
  border-bottom-color: rgba(212, 218, 240, .5);
  box-shadow: var(--shadow-md)
}

.nav-inner {
  max-width: 1300px;
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  gap: 1rem;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: .65rem;
  cursor: pointer;
  flex-shrink: 0
}

.nav-brand-logo {
  width: 56px;
  height: 40px;
  border-radius: 6px;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
}

.nav-brand-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.nav-brand-name {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: .5px
}

.nav-brand-sub {
  font-size: .56rem;
  color: var(--text-soft);
  letter-spacing: 1px;
  text-transform: uppercase;
  display: block;
  margin-top: -1px
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0;
  list-style: none
}

.nav-links li {
  position: relative
}

.nav-links a {
  display: block;
  padding: .45rem .78rem;
  font-size: 1.06rem;
  font-weight: 700;
  letter-spacing: .8px;
  color: var(--blue);
  cursor: pointer;
  border-radius: 6px;
  transition: color .2s, background .2s;
  white-space: nowrap;
}

.nav-links a:hover {
  color: var(--blue);
  background: var(--blue-light)
}

.nav-links a.active {
  color: var(--blue);
  font-weight: 700;
  background: transparent
}

.nav-dropdown .dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  list-style: none;
  padding: .45rem;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity .2s, transform .2s, visibility .2s;
}

.nav-dropdown:hover .dropdown-menu,
.nav-dropdown:focus-within .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu a {
  padding: .7rem .85rem;
  font-size: .86rem;
  font-weight: 600;
  letter-spacing: .2px;
}

.hamburger {
  display: none;
  position: relative;
  width: 42px;
  height: 42px;
  border-radius: 999px;
  border: 1px solid rgba(26, 95, 212, .16);
  background: rgba(255, 255, 255, .95);
  box-shadow: 0 10px 22px rgba(15, 35, 80, .10);
  flex-direction: column;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  padding: 0;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}

.hamburger:hover,
.hamburger:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 16px 28px rgba(15, 35, 80, .15);
}

.hamburger span {
  position: absolute;
  left: 50%;
  display: block;
  width: 19px;
  height: 2px;
  background: var(--text);
  border-radius: 999px;
  transition: transform .22s ease, opacity .18s ease, background .2s ease;
  transform-origin: center;
}

.hamburger span:nth-child(1) {
  transform: translate(-50%, -6px);
}

.hamburger span:nth-child(2) {
  transform: translate(-50%, 0);
}

.hamburger span:nth-child(3) {
  transform: translate(-50%, 6px);
}

.hamburger.open span:nth-child(1) {
  transform: translate(-50%, 0) rotate(45deg);
}

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

.hamburger.open span:nth-child(3) {
  transform: translate(-50%, 0) rotate(-45deg);
}

#mobile-nav {
  display: none;
  position: fixed;
  top: var(--nav-h);
  left: 0;
  right: 0;
  z-index: 999;
  background: rgba(255, 255, 255, .98);
  border-bottom: 1px solid rgba(26, 95, 212, .12);
  padding: 1rem 1.25rem 1.2rem;
  box-shadow: 0 18px 50px rgba(15, 35, 80, .12);
  backdrop-filter: blur(18px);
}

#mobile-nav.open {
  display: block;
}

#mobile-nav ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: .65rem;
}

#mobile-nav ul a {
  display: block;
  padding: .9rem 1.1rem;
  font-size: .95rem;
  font-weight: 700;
  color: var(--text);
  border-radius: 14px;
  background: #f6f8ff;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}

#mobile-nav ul a:hover,
#mobile-nav ul a:focus-visible {
  color: var(--blue);
  background: rgba(26, 95, 212, .08);
  transform: translateX(3px);
}

#mobile-nav ul a.active {
  color: #fff;
  background: var(--blue);
}

.mobile-nav-group {
  padding: .2rem 0
}

.mobile-nav-label {
  display: block;
  padding: .6rem 1rem;
  font-size: .88rem;
  font-weight: 700;
  color: var(--blue);
}

.mobile-submenu {
  margin-left: .75rem
}

#mobile-nav .mobile-submenu a {
  font-size: .82rem;
  font-weight: 600;
  padding: .5rem 1rem;
}

/* ── PAGE WRAPPER ────────────────────────────────────── */
#main-content {
  padding-top: var(--nav-h);
}

.home-hero-layout {
  max-width: 1080px;
  container-type: inline-size;
  container-name: hero-layout;
}

.home-hero-title-row {
  display: grid;
  grid-template-columns: clamp(52px, 16%, 180px) minmax(0, 1fr) clamp(52px, 16%, 180px);
  align-items: center;
  gap: clamp(.5rem, 2vw, 2.25rem);
  container-type: inline-size;
  container-name: hero-title-row;
}

.home-hero-logo {
  height: clamp(52px, 16cqw, 180px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 0;
}

.home-hero-logo img {
  display: block;
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
}

@media (max-width: 1100px) {
  .nav-links {
    display: none;
  }

  .hamburger {
    display: flex;
  }
}

@media (min-width: 769px) and (max-width: 900px) {
  .welcome-grid {
    grid-template-columns: 1fr;
  }

  .home-hero-details {
    width: 100%;
    padding: 0 .5rem;
    text-align: center;
  }

  .welcome-logo {
    display: none;
  }
}

.home-hero-details {
  width: 100%;
  margin-top: 1.5rem;
  text-align: center;
}

.home-hero-sponsor-line {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .4rem;
  justify-content: center;
  margin: .5rem 0 1.25rem;
  text-align: center;
  font-size: clamp(.9rem, 1.8vw, 1.08rem);
  font-weight: 600;
  color: var(--text);
}

.home-hero-sponsor-line img {
  display: block;
  max-width: 185px;
  max-height: 46px;
  object-fit: contain;
}

.home-hero-restyled .hero-meta {
  margin-bottom: 0;
  row-gap: .5rem;
}

.home-hero-restyled .hero-meta-item:last-child {
  flex-basis: 100%;
  justify-content: center;
}

/* ── HERO ────────────────────────────────────────────── */
#home {
  position: relative;
  overflow: hidden;
  background-image: url('../assets/prmitr.webp');
  background-size: cover;
  background-position: center;
  padding: 4rem 1.5rem 3.5rem;
  text-align: center;
}

#home::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, .65);
}

/* Reduce vertical gap between the home hero and the next section */
#home + .section {
  padding-top: 2rem;
}

.home-hero {
  position: relative;
}

#home .hero-inner {
  position: relative;
  z-index: 1;
}

.hero-inner {
  max-width: 900px;
  margin: 0 auto
}

.hero-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.logo-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .55rem;
}

.logo-img-wrap {
  width: 88px;
  height: 88px;
  border-radius: 14px;
  background: #fff;
  border: 1.5px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  padding: 6px;
}

.logo-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 8px
}

.logo-box-label {
  font-size: .7rem;
  color: var(--text-soft);
  font-weight: 500;
  letter-spacing: .3px
}

.hero-title {
  font-size: clamp(1.25rem, 4cqw, 3.25rem);
  font-weight: 900;
  line-height: 1.1;
  color: var(--text);
  margin-bottom: .5rem;
}

.hero-title .blue {
  color: var(--blue);
  display: block
}

.hero-sponsored {
  font-size: 1.15rem;
  color: var(--text-soft);
  margin: .8rem 0 1.4rem;
}

.hero-subtitle {
  display: inline-block;
  font-size: clamp(.85rem, 1.75vw, 1.05rem);
  font-weight: 600;
  color: var(--blue-dark);
  background: var(--blue-light);
  padding: .35rem 1rem;
  border-radius: 999px;
  margin-bottom: .75rem;
}

.hero-venue {
  font-size: clamp(1.02rem, 2.05vw, 1.2rem);
  color: var(--text);
  font-weight: 600;
}

@supports (container-type: inline-size) {
  .hero-subtitle {
    font-size: clamp(.85rem, 1.8cqw, 1.05rem);
  }

  .home-hero-sponsor-line {
    font-size: clamp(.9rem, 1.85cqw, 1.08rem);
  }

  .hero-venue {
    font-size: clamp(1.02rem, 2.1cqw, 1.2rem);
  }
}

@container hero-layout (max-width: 650px) {
  .home-hero-title-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
  }
}

@container hero-title-row (max-width: 650px) {
  .home-hero-logo-college,
  .home-hero-logo-ieee {
    display: none;
  }

  .hero-title {
    font-size: clamp(1.36rem, 5.45cqw, 3.5rem);
    letter-spacing: -.03em;
  }
}

@container hero-title-row (min-width: 980px) and (max-width: 1080px) {
  .hero-title {
    font-size: clamp(1.25rem, 3.4cqw, 3.25rem);
  }
}

@media (min-width: 360px) and (max-width: 430px) {
  .hero-title {
    font-size: 1.4rem;
    letter-spacing: -.055em;
  }

  .hero-venue {
    font-size: .9rem;
  }

  .hero-venue-locality {
    white-space: nowrap;
  }
}

.hero-meta-item.hero-record,
.hero-meta-item.hero-dates {
  text-align: center;
  justify-content: center;
  font-size: clamp(.9rem, 1.8vw, 1.08rem);
  font-weight: 600;
  color: var(--text);
}

.cmt-ack-box {
  margin-top: 1rem;
  padding: 1rem 1.25rem;
  background: var(--blue-light);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.hero-meta-item.hero-dates {
  flex-direction: column;
  gap: .2rem;
}

.hero-date-label {
  font-weight: 600;
}

.hero-date-value {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
}

@supports (container-type: inline-size) {
  .hero-meta-item.hero-record,
  .hero-meta-item.hero-dates {
    font-size: clamp(.9rem, 1.85cqw, 1.08rem);
  }
}

#home .hero-sponsored,
#root .subpage-hero-inner-centered > p {
  text-align: center;
}

.hero-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.hero-meta-item {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .88rem;
  color: var(--text-mid);
  font-weight: 500;
}

.hero-meta-item svg {
  color: var(--blue);
  flex-shrink: 0
}

.hero-btns {
  display: flex;
  gap: .9rem;
  justify-content: center;
  flex-wrap: wrap
}

/* ── BUTTONS ─────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .72rem 1.8rem;
  border-radius: 6px;
  font-size: .84rem;
  font-weight: 700;
  cursor: pointer;
  border: none;
  font-family: inherit;
  transition: all .2s;
  letter-spacing: .2px;
}

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

.btn-blue:hover {
  background: var(--blue-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(26, 95, 212, .28)
}

.btn-outline-blue {
  background: #fff;
  color: var(--blue);
  border: 2px solid var(--blue)
}

.btn-outline-blue:hover {
  background: var(--blue-light);
  transform: translateY(-1px)
}

/* ── SECTION COMMONS ─────────────────────────────────── */
.section {
  padding: 3.25rem 1.5rem;
}

.section.alt {
  background: #fff;
}

#home + .section {
  padding-top: 1.25rem;
}

#about-cmt.section {
  padding-bottom: 1rem;
}

#about-cmt .welcome-text p:last-child {
  margin-bottom: 0;
}

#speakers {
  background: #fff;
}

  .section.section-tight {
    padding-top: 0;
  }

.section-inner {
  max-width: 1280px;
  margin: 0 auto
}

.sec-eyebrow {
  display: inline-block;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: .5rem;
}

.hotel-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
  margin-top: 1.8rem;
  max-width: 1120px;
  margin-left: auto;
  margin-right: auto;
}

.hotel-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1.5px solid var(--border);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform .2s, box-shadow .2s, border-color .2s;
}

.hotel-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--blue);
}

.hotel-card-img {
  width: 100%;
  aspect-ratio: 16 / 10;
  min-height: 185px;
  overflow: hidden;
  background: var(--bg);
}

.hotel-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .3s ease;
}

.hotel-card:hover .hotel-card-img img {
  transform: scale(1.03);
}

.hotel-card-body {
  padding: 1.2rem 1.2rem 1.3rem;
  display: grid;
  gap: .8rem;
  flex: 1;
}

.hotel-card-title {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 0;
}

.hotel-card-desc {
  color: var(--text-mid);
  line-height: 1.7;
  font-size: .92rem;
}

.hotel-btn {
  justify-self: start;
  padding: .62rem 1.3rem;
}

@media (max-width: 900px) {
  .hotel-grid {
    grid-template-columns: 1fr;
  }
}

.sec-title {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 800;
  color: var(--text);
  line-height: 1.15;
  margin-bottom: .3rem;
}

.sec-title .blue {
  color: var(--blue)
}

.sec-bar {
  width: 36px;
  height: 3px;
  background: var(--blue);
  border-radius: 2px;
  margin: .8rem 0 1.2rem;
  opacity: .55;
}

.sec-bar.center {
  margin: .8rem auto 1.2rem
}

.sec-sub {
  font-size: .92rem;
  color: var(--text-soft);
  max-width: 520px
}

/* ── WELCOME ─────────────────────────────────────────── */
.welcome-grid {
  display: grid;
  grid-template-columns: 1fr 220px;
  gap: 2.5rem;
  align-items: center;
}

.welcome-grid > div {
  width: 100%;
}

.welcome-logo {
  width: 100%;
  max-width: 220px;
  justify-self: end;
  grid-column: 2;
  grid-row: 1;
}

.welcome-logo img {
  width: 100%;
  max-width: 220px;
  height: auto;
  object-fit: contain;
}

.welcome-text p {
  color: var(--text-mid);
  margin-bottom: 1rem;
  line-height: 1.85;
  font-size: .95rem
}

.welcome-text strong {
  color: var(--text);
  font-weight: 600
}

.welcome-quote {
  border-left: 3px solid var(--blue);
  padding: 1rem 1.3rem;
  background: var(--blue-light);
  border-radius: 0 10px 10px 0;
  color: var(--text-mid);
  line-height: 1.75;
  margin: 1.3rem 0;
  font-size: .92rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem
}

.stat-card {
  background: var(--bg-white);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  text-align: center;
  transition: all .22s;
  box-shadow: var(--shadow-sm);
}

.stat-card:hover {
  border-color: var(--blue);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px)
}

.stat-num {
  font-size: 2rem;
  font-weight: 900;
  color: var(--blue);
  line-height: 1;
  margin-bottom: .3rem
}

.stat-lbl {
  font-size: .74rem;
  color: var(--text-soft);
  font-weight: 500
}

/* ── DATES ───────────────────────────────────────────── */
.dates-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem
}

.date-card {
  background: #fff;
  border: 1.5px solid var(--border);
  border-radius: 12px;
  padding: 1.8rem 1.3rem;
  text-align: center;
  transition: all .22s;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.date-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--blue);
  opacity: 0;
  transition: opacity .22s;
}

.date-card:hover::before {
  opacity: 1
}

.date-card:hover {
  border-color: var(--blue);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px)
}

.date-label {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
  margin-bottom: .45rem
}

.date-val {
  font-size: .76rem;
  color: var(--blue);
  font-weight: 700;
  letter-spacing: .3px
}

/* ── SPEAKERS ────────────────────────────────────────── */
.speakers-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(200px, 250px));
  justify-content: center;
  gap: 2.2rem;
  margin-top: 2.5rem
}

.spk-card {
  background: #fff;
  border: 1.5px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  transition: all .22s;
  box-shadow: var(--shadow-sm);
}

.spk-card:hover {
  border-color: var(--blue);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px)
}

.spk-photo {
  aspect-ratio: 3/3;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--border-mid);
}

.spk-info {
  padding: 1rem 1.1rem
}

.spk-badge {
  display: inline-block;
  font-size: .59rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--blue);
  background: var(--blue-light);
  border: 1px solid var(--blue-mid);
  padding: .15rem .6rem;
  border-radius: 4px;
  margin-bottom: .4rem;
}

.spk-name {
  font-size: .86rem;
  font-weight: 700;
  color: var(--text)
}

/* ── TOPICS ──────────────────────────────────────────── */
.topics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .75rem
}

.topic-item {
  background: #fff;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  padding: .9rem 1.1rem;
  display:flex;align-items:center;gap:.65rem;
  transition:all .2s;box-shadow:var(--shadow-sm);
}
.topic-item:hover{border-color:var(--blue);background:var(--blue-light)}
.topic-dot{width:7px;height:7px;border-radius:50%;background:var(--blue);flex-shrink:0}
.topic-text{font-size:.83rem;color:var(--text-mid);font-weight:500}

/* ── ABOUT PRMITR ────────────────────────────────────── */
.about-grid{display:grid;grid-template-columns:1.8fr 1fr;gap:4rem;align-items:center}
.venue-copy{display:grid;gap:3.5rem}
.about-text p{color:var(--text-mid);margin-bottom:1rem;line-height:1.85;font-size:1.02rem}
.about-text strong{color:var(--text);font-weight:600}
.about-img{
  background:var(--bg);border:1.5px solid var(--border);
  border-radius:16px;overflow:hidden;
  box-shadow:var(--shadow-lg);
  transition:transform .3s ease;
}
.about-img:hover{transform:scale(1.02)}
.about-img img{width:100%;height:100%;object-fit:cover;display:block}

/* ── CONTACT ─────────────────────────────────────────── */
.contact-grid{display:grid;grid-template-columns:1fr 1.3fr;gap:3rem;align-items:start}
.c-item{display:flex;gap:.85rem;align-items:flex-start;margin-bottom:1.2rem}
.c-icon{
  width:38px;height:38px;flex-shrink:0;border-radius:8px;
  background:var(--blue-light);border:1.5px solid var(--border-mid);
  display:flex;align-items:center;justify-content:center;color:var(--blue);
}
.c-item strong{display:block;font-size:.69rem;letter-spacing:1px;text-transform:uppercase;color:var(--text-soft);margin-bottom:.1rem}
.c-item span{font-size:.86rem;color:var(--text-mid)}
.form-box{background:#fff;border:1.5px solid var(--border);border-radius:14px;padding:2rem;box-shadow:var(--shadow-sm)}
.form-box h3{font-size:.98rem;font-weight:800;color:var(--text);margin-bottom:1.3rem}
.fg{margin-bottom:.95rem}
.fg label {
    display: block;
    font-size: .71rem;
    font-weight: 600;
    color: var(--text-soft);
    letter-spacing: .4px;
    margin-bottom: .28rem
  }

  .fg input,
  .fg textarea,
  .fg select {
    width: 100%;
    padding: .68rem .9rem;
    background: var(--bg);
    border: 1.5px solid var(--border);
    border-radius: 7px;
    font-size: .85rem;
    color: var(--text);
    font-family: inherit;
    outline: none;
    transition: border-color .18s;
  }

  .fg input:focus,
  .fg textarea:focus,
  .fg select:focus {
    border-color: var(--blue);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(26, 95, 212, .08);
  }

  .fg textarea {
    min-height: 108px;
    resize: vertical
  }

  .fg select option {
    background: #fff
  }

  /* ── FOOTER ──────────────────────────────────────────── */
  footer {
    background: #0a1120;
    padding: 4rem 1.5rem 1.5rem;
    color: #fff;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
  }

  .footer-inner {
    max-width: 1280px;
    margin: 0 auto
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.1fr;
    gap: 3rem;
    margin-bottom: 3rem
  }

  .footer-brand-col {
    display: flex;
    flex-direction: column;
    gap: .9rem;
  }

  .footer-logo-wrap {
    display: flex;
    align-items: center;
    gap: 1rem;
  }

  .footer-logo-img {
    width: 54px;
    height: 54px;
    border-radius: 12px;
    background: #fff;
    object-fit: contain;
    padding: 6px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  }

  .footer-brand-name {
    display: block;
    font-size: 1.4rem;
    font-weight: 900;
    color: #fff;
    letter-spacing: 1px;
    line-height:1;
  }

  .footer-brand-tag {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--blue);
    font-weight: 700;
  }

  .footer-desc {
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.6;
    max-width: 460px;
  }

  .footer-socials {
    display: none;
  }

  .footer-col h4 {
    font-size: 0.9rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 1.8rem;
    position: relative;
    padding-bottom: 0.8rem;
  }

  .footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--blue);
  }

  .footer-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem
  }

  .footer-col ul a {
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.5);
    transition: all 0.2s ease;
  }

  .footer-col ul a:hover {
    color: #fff;
    padding-left: 4px;
  }

  .footer-c-item {
    display: flex;
    gap: 1rem;
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 1.2rem;
    align-items: flex-start;
  }

  .footer-c-item svg {
    color: var(--blue);
    flex-shrink: 0;
    margin-top: 4px;
  }

  .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 1.2rem 0;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.3);
  }

  .footer-bottom-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
  }

  .footer-bottom-links {
    display: flex;
    gap: 2rem;
  }

  .footer-bottom-links a {
    color: rgba(255, 255, 255, 0.3);
    transition: color 0.2s;
  }

  .footer-bottom-links a:hover {
    color: #fff;
  }

  .footer-credit {
    font-size: 0.72rem;
    color: rgba(255, 255, 255, 0.3);
    margin-top: 6px;
  }

  /* Responsive Fix for Footer */
  @media(max-width: 1024px) {
    .footer-grid {
      grid-template-columns: 1fr 1fr;
    }
  }

  @media(max-width: 600px) {
    footer { padding: 4rem 1.5rem 1.5rem; }
    .footer-grid {
      grid-template-columns: 1fr;
      gap: 3rem;
    }
    .footer-bottom-inner {
      flex-direction: column;
      text-align: center;
    }
  }

  /* ── SUB-PAGE (committee / author guidelines) ─────────── */
  .subpage-hero {
    background: var(--text);
    padding: 4.5rem 1.5rem 3.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, .06);
  }

  .subpage-hero + .section.section-tight {
    padding-top: 2.5rem;
  }

  .subpage-hero-inner {
    max-width: 1280px;
    margin: 0 auto
  }

  .subpage-hero-inner-centered {
    max-width: 860px;
    text-align: center;
  }

  .subpage-hero-inner-centered .sec-bar {
    margin-left: auto;
    margin-right: auto;
  }

  .subpage-hero-inner-centered p {
    max-width: 680px;
    margin-left: auto;
    margin-right: auto;
  }

  .subpage-hero .sec-eyebrow {
    color: rgba(26, 95, 212, .7)
  }

  .subpage-hero .sec-title {
    color: #fff
  }

  .subpage-hero .sec-bar {
    background: var(--blue)
  }

  .program-hero {
    background: linear-gradient(135deg, #0f2f66 0%, #163e88 55%, #1b67d5 100%);
  }

  .program-intro {
    max-width: 760px;
    margin: 1rem auto 2rem;
    color: var(--text-mid);
  }

  .program-heading-full {
    width: 100%;
  }

  .program-heading-full .sec-title {
    width: 100%;
  }

  .program-tracks-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
  }

  .submission-cta {
    margin-top: 2rem;
    text-align: center;
  }

  .contact-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(260px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
  }

  .contact-card {
    background: #fff;
    border: 1.5px solid var(--border);
    border-radius: 20px;
    padding: 1.8rem;
    box-shadow: var(--shadow-sm);
    transition: transform .22s, box-shadow .22s, border-color .22s;
    display: flex;
    flex-direction: column;
    gap: 1rem;
  }

  .contact-card:hover {
    transform: translateY(-3px);
    border-color: var(--blue);
    box-shadow: var(--shadow-md);
  }

  .contact-card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--blue);
    color: #fff;
  }

  .contact-card-title {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 0;
  }

  .contact-card-detail {
    line-height: 1.7;
    color: var(--text-mid);
    font-size: .95rem;
  }

  .contact-card-email .contact-card-detail + .contact-card-detail {
    margin-top: -0.9rem;
  }

  .program-track-card {
    background: #fff;
    border: 1.5px solid var(--border);
    border-radius: 20px;
    padding: 1.8rem;
    box-shadow: var(--shadow-sm);
    transition: transform .22s, box-shadow .22s, border-color .22s;
    display: flex;
    flex-direction: column;
    gap: 1rem;
  }

  .program-track-card:hover {
    transform: translateY(-3px);
    border-color: var(--blue);
    box-shadow: var(--shadow-md);
  }

  .track-title {
    font-size: 1.1rem;
    margin-bottom: .5rem;
    color: var(--text);
  }

  .track-chairs {
    font-size: .86rem;
    color: var(--blue);
    font-weight: 700;
    margin-bottom: .8rem;
  }

  .track-topics {
    list-style: none;
    display: grid;
    gap: .55rem;
    padding-left: 0;
    margin: 0;
  }

  .track-topic {
    position: relative;
    padding-left: 1.1rem;
    color: var(--text-mid);
    line-height: 1.7;
    font-size: .95rem;
  }

  .track-topic::before {
    content: '';
    position: absolute;
    left: 0;
    top: .7rem;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--blue);
  }

  .track-scope-note {
    margin-top: .35rem;
    padding-top: .7rem;
    border-top: 1px solid var(--border);
    color: var(--text);
    font-size: .88rem;
    font-style: italic;
    line-height: 1.6;
  }

  .timeline-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(240px, 1fr));
    gap: 1.25rem;
    margin-top: 1.75rem;
  }

  .timeline-step {
    background: #fff;
    border: 1.5px solid var(--border);
    border-radius: 18px;
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
  }

  .timeline-time {
    font-size: .78rem;
    font-weight: 700;
    color: var(--blue);
    letter-spacing: .25em;
    text-transform: uppercase;
    margin-bottom: .75rem;
  }

  .timeline-title {
    font-size: 1rem;
    margin-bottom: .6rem;
    color: var(--text);
  }

  .timeline-text {
    color: var(--text-mid);
    line-height: 1.75;
    font-size: .95rem;
  }

  .program-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1.5rem;
    overflow: hidden;
    border-radius: 16px;
    background: #fff;
    box-shadow: var(--shadow-sm);
  }

  .program-table th,
  .program-table td {
    padding: 1rem 1.2rem;
    border-bottom: 1px solid var(--border);
    text-align: left;
    color: var(--text);
  }

  .program-table th {
    background: var(--blue-light);
    color: var(--blue);
    font-size: .86rem;
    letter-spacing: .05em;
    text-transform: uppercase;
  }

  .program-table tr:last-child td {
    border-bottom: none;
  }

  .program-table td:last-child {
    color: var(--blue);
    font-weight: 700;
  }

  .section-heading {
    background: var(--text);
    width: 100vw;
    margin-left: calc(50% - 50vw);
    margin-right: calc(50% - 50vw);
    padding: 1.2rem 1.4rem;
    padding-bottom: calc(1.2rem + 1px);
    border-radius: 0;
    margin-bottom: 1.5rem;
    text-align: center;
  }

  .section-heading .sec-eyebrow {
    color: rgba(26, 95, 212, .7);
    margin-bottom: .35rem;
  }

  .section-heading .sec-title {
    color: #fff;
    margin-bottom: .35rem;
  }

  .section-heading .sec-bar {
    background: var(--blue);
    margin: 0 auto;
    width: 38px;
  }

  .page-section-header {
    max-width: 760px;
    margin: 0 auto 1.8rem;
  }

  .page-section-header-centered {
    text-align: center;
  }

  .venue-section-copy {
    color: var(--text-soft);
    font-size: .96rem;
    line-height: 1.8;
    margin: 0 auto;
  }

  /* ── LOCATION CARDS ──────────────────────────────────── */
  .locations-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 1.8rem;
  }

  .location-card {
    background: #fff;
    border: 1.5px solid var(--border);
    border-radius: 14px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform .2s, box-shadow .2s, border-color .2s;
  }

  .location-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--blue);
  }

  .locations-grid-single {
    grid-template-columns: minmax(0, 820px);
    justify-content: center;
  }

  .location-card-featured {
    border-radius: 24px;
    background: linear-gradient(180deg, #ffffff 0%, #f7faff 100%);
    box-shadow: var(--shadow-lg);
  }

  .location-map-mini {
    width: 100%;
    height: 250px;
    overflow: hidden;
    background: var(--bg);
  }

  .location-card-featured .location-map-mini {
    height: 240px;
    border-bottom: 1px solid var(--border);
  }

  .location-card-body {
    padding: 1.5rem;
  }

  .location-card-featured .location-card-body {
    padding: 1.45rem 1.6rem 1.6rem;
  }

  .location-card-title {
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--text);
    margin-bottom: .4rem;
  }

  .location-card-address {
    font-size: .85rem;
    font-weight: 600;
    color: var(--blue);
    margin-bottom: .6rem;
  }

  .location-card-desc {
    color: var(--text-mid);
    line-height: 1.8;
    font-size: .95rem;
    margin-bottom: 1rem;
  }

  @media (max-width: 900px) {
    .locations-grid {
      grid-template-columns: 1fr;
    }

    .location-card-featured .location-map-mini {
      height: 210px;
    }
  }

  /* ── TRANSPORTATION ──────────────────────────────────── */
  .transport-journey {
    margin-top: 2rem;
  }

  .journey-stage {
    margin-bottom: 3rem;
  }

  .stage-title {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--text);
    margin-bottom: .3rem;
  }

  .stage-subtitle {
    font-size: .95rem;
    color: var(--text-soft);
    margin-bottom: 1.5rem;
  }

  .transport-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
  }

  .transport-card {
    background: #fff;
    border: 1.5px solid var(--border);
    border-radius: 12px;
    padding: 1.8rem;
    text-align: center;
    transition: all .22s;
    box-shadow: var(--shadow-sm);
  }

  .transport-card:hover {
    border-color: var(--blue);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
  }

  .transport-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
  }

  .transport-name {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--text);
    margin-bottom: .4rem;
  }

  .transport-detail {
    font-size: .85rem;
    font-weight: 700;
    color: var(--blue);
    margin-bottom: .6rem;
  }

  .transport-desc {
    font-size: .9rem;
    color: var(--text-mid);
    line-height: 1.7;
  }

  .journey-divider {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 2.5rem 0;
    text-align: center;
  }

  .divider-line {
    flex: 1;
    height: 2px;
    background: linear-gradient(to right, transparent, var(--blue), transparent);
  }

  .divider-text {
    font-size: .85rem;
    font-weight: 700;
    color: var(--blue);
    letter-spacing: 1px;
    white-space: nowrap;
  }


  .group-label {
    font-size: .8rem;
    font-weight: 700;
    color: var(--text-mid);
    padding-left: .9rem;
    border-left: 3px solid var(--blue);
    margin-bottom: 1.4rem;
  }

  .members-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1rem;
    width: 100%;
    min-width: 0;
  }

  .member-card {
    background: #fff;
    border: 1.5px solid var(--border);
    border-radius: 10px;
    padding: 1.2rem;
    text-align: center;
    transition: all .2s;
    box-shadow: var(--shadow-sm);
    min-width: 0;
  }

  .member-card:hover {
    border-color: var(--blue);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px)
  }

  .member-role {
    display: block;
    font-size: .57rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--blue);
    background: var(--blue-light);
    border: 1px solid var(--blue-mid);
    padding: .14rem .5rem;
    border-radius: 4px;
    margin-bottom: .5rem;
    white-space: normal;
    line-height: 1.25;
  }

  .member-name {
    font-size: .84rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: .22rem;
    line-height: 1.3
  }

  .member-org {
    font-size: .73rem;
    color: var(--text-soft);
    line-height: 1.35
  }

  .divider {
    height: 1px;
    background: var(--border);
    margin: 3rem 0
  }

  .banner-dark {
    background: var(--text);
    padding: 2.5rem 1.5rem;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, .06);
  }

  .banner-dark h2 {
    font-size: clamp(1.3rem, 3.5vw, 2.2rem);
    font-weight: 900;
    letter-spacing: 5px;
    text-transform: uppercase;
    color: #fff;
  }

  .banner-dark h2 span {
    color: var(--blue)
  }

  /* author guidelines */
  .authors-wrap {
    max-width: 860px;
    margin: 0 auto;
    padding: 4rem 1.5rem
  }

  .g-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-bottom: 3rem
  }

  .g-item {
    display: flex;
    gap: 1.1rem;
    align-items: flex-start;
    opacity: 0;
    transform: translateY(14px);
    transition: all .4s;
  }

  .g-item.vis {
    opacity: 1;
    transform: translateY(0)
  }

  .g-num {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--blue);
    color: #fff;
    font-size: .74rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: .15rem;
  }

  .g-text {
    color: var(--text-mid);
    font-size: .91rem;
    line-height: 1.75;
    padding-top: .2rem
  }

  .notes-box {
    background: #f0f5ff;
    border: 1.5px solid var(--blue-mid);
    border-radius: 12px;
    padding: 1.8rem 2rem;
    margin: 2.5rem 0;
  }

  .notes-title {
    display: flex;
    align-items: center;
    gap: .5rem;
    font-weight: 800;
    font-size: .9rem;
    color: var(--text);
    margin-bottom: 1rem
  }

  .notes-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: .5rem
  }

  .notes-list li {
    display: flex;
    gap: .45rem;
    align-items: flex-start;
    font-size: .85rem;
    color: var(--text-mid)
  }

  .notes-list li::before {
    content: '—';
    color: var(--blue);
    flex-shrink: 0;
    font-weight: 700
  }

  .notes-list li.hl {
    color: var(--text);
    font-weight: 700
  }

  .notes-list li.hl::before {
    color: #c0392b
  }

  .dtable-title {
    font-size: 1.0rem;
    font-weight: 700;
    color: var(--text);
    border-left: 3px solid var(--blue);
    padding-left: .9rem;
    margin-bottom: 1.1rem
  }

  .dtable {
    width: 100%;
    border-collapse: collapse
  }

  .dtable td {
    padding: .85rem 1rem;
    font-size: .85rem;
    border-bottom: 1px solid var(--border)
  }

  .dtable td:first-child {
    color: var(--text-mid)
  }

  .dtable td:last-child {
    color: var(--blue);
    font-weight: 700;
    text-align: right
  }

  .dtable tr:hover {
    background: var(--blue-light)
  }

  .registration-wrap {
    max-width: 960px;
  }

  .registration-notes {
    display: grid;
    gap: .85rem;
    color: var(--text-mid);
    line-height: 1.7;
  }

  .registration-notes p {
    margin: 0;
  }

  .registration-notes strong {
    color: var(--text);
  }

  .registration-fees {
    margin-top: 2.5rem;
    padding: 1.5rem;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: #fff;
    box-shadow: var(--shadow-sm);
  }

  .registration-fees h2 {
    margin: 0 0 1.15rem;
    color: var(--text);
    font-size: 1.25rem;
  }

  .registration-submit-box {
    margin-top: 2.25rem;
    padding: 1.5rem 1.5rem 1.25rem;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 14px;
    box-shadow: var(--shadow-sm);
  }

  .registration-submit-box .hero-cta {
    margin: 0 0 1.5rem;
  }

  .registration-submit-box .btn.btn-blue {
    width: auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 52px;
    padding: .9rem 1.5rem;
    border-radius: 12px;
    font-size: 1.05rem;
    font-weight: 700;
  }

  .registration-submit-copy {
    color: var(--text);
  }

  .registration-submit-copy__title {
    margin: 0 0 1.1rem;
    font-size: clamp(2.6rem, 4vw, 4.8rem);
    font-weight: 300;
    line-height: 1.1;
    letter-spacing: -.05em;
    color: rgba(15, 23, 42, 0.9);
  }

  .registration-submit-copy__title span {
    font-size: .72em;
    color: rgba(15, 23, 42, 0.78);
  }

  .registration-submit-copy__title--secondary {
    margin-top: 2.1rem;
  }

  .registration-submit-copy__lead,
  .registration-submit-copy__text,
  .registration-submit-copy__list {
    color: rgba(30, 41, 59, 0.8);
    font-size: clamp(1.35rem, 1.8vw, 2.2rem);
    line-height: 1.45;
    font-weight: 300;
  }

  .registration-submit-copy__lead {
    margin: 0 0 2.2rem;
    max-width: 1080px;
  }

  .registration-submit-copy__text {
    margin: 0 0 1rem;
    max-width: 1200px;
  }

  .registration-submit-copy__text strong {
    color: var(--blue);
    font-weight: 700;
  }

  .registration-submit-copy__list {
    margin: 0;
    padding-left: 1.7rem;
    list-style: disc;
    line-height: 1.7;
    font-size: clamp(1.3rem, 1.7vw, 2rem);
    max-width: 1180px;
  }

  .registration-submit-copy__list li {
    margin-bottom: .65rem;
    padding-left: .15rem;
  }

  .registration-submit-copy__list a {
    color: var(--link-color);
    text-decoration: none;
    word-break: break-word;
    font-weight: 500;
  }

  .registration-submit-copy__list a:hover {
    text-decoration: underline;
  }

  .registration-table-wrap { overflow-x: auto; }

  .registration-table {
    width: 100%;
    min-width: 650px;
    border-collapse: collapse;
  }

  .registration-table th,
  .registration-table td {
    padding: .9rem 1rem;
    border: 1px solid var(--border);
    text-align: left;
  }

  .registration-table th {
    color: #fff;
    background: var(--blue);
    font-size: .88rem;
  }

  .registration-table td:last-child {
    color: var(--blue);
    font-weight: 700;
  }

  .submit-box {
    background: var(--text);
    border-radius: 14px;
    padding: 2rem;
    margin-top: 2.5rem
  }

  .submit-title {
    font-size: .92rem;
    font-weight: 700;
    color: #fff;
    border-left: 3px solid var(--blue);
    padding-left: .9rem;
    margin-bottom: .8rem
  }

  .submit-desc {
    color: rgba(255, 255, 255, .5);
    font-size: .85rem;
    margin-bottom: 1.1rem;
    line-height: 1.65
  }

  .submit-list {
    list-style: none;
    margin-bottom: 1.6rem;
    display: flex;
    flex-direction: column;
    gap: .4rem
  }

  .submit-list li {
    font-size: .83rem;
    color: rgba(255, 255, 255, .5);
    display: flex;
    gap: .5rem;
    align-items: center
  }

  .submit-list li::before {
    content: '›';
    color: var(--blue);
    font-weight: 900;
    font-size: 1rem
  }

  .submit-btns {
    display: flex;
    gap: .8rem;
    flex-wrap: wrap
  }

  .submit-btns .btn-outline-blue {
    background: transparent;
    color: rgba(255, 255, 255, .75);
    border-color: rgba(255, 255, 255, .2)
  }

  .submit-btns .btn-outline-blue:hover {
    background: rgba(255, 255, 255, .06)
  }

  /* ── REVEAL ──────────────────────────────────────────── */
  .reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity .5s, transform .5s
  }

  .reveal.vis {
    opacity: 1;
    transform: translateY(0)
  }

  /* ── SCROLL TOP ──────────────────────────────────────── */
  #scroll-top-btn {
    position: fixed;
    right: 1.25rem;
    bottom: calc(1.25rem + env(safe-area-inset-bottom, 0px));
    z-index: 1001;
    width: 46px;
    height: 46px;
    border: none;
    border-radius: 999px;
    background: var(--blue);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity .22s ease, transform .22s ease, visibility .22s ease, background .18s ease;
    touch-action: manipulation;
  }

  #scroll-top-btn:hover {
    background: var(--blue-dark)
  }

  #scroll-top-btn svg {
    width: 20px;
    height: 20px;
    stroke: currentColor;
    stroke-width: 2.4;
    fill: none;
    stroke-linecap: round;
    stroke-linejoin: round;
  }

  #scroll-top-btn.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0)
  }

  /* ── CITY HIGHLIGHTS ─────────────────────────────────── */
  .city-highlights { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; margin: 2.5rem 0; }
  .city-highlight-card { display: flex; align-items: center; gap: 1.2rem; background: #fff; border: 1.5px solid var(--border); border-radius: 12px; padding: 1.2rem; transition: all 0.3s ease; box-shadow: var(--shadow-sm); }
  .city-highlight-card:hover { transform: translateY(-3px); border-color: var(--blue); box-shadow: var(--shadow-md); }
  .highlight-img { width: 60px; height: 60px; border-radius: 10px; object-fit: cover; flex-shrink: 0; box-shadow: 0 4px 10px rgba(0,0,0,0.1); }
  .highlight-icon { width: 48px; height: 48px; border-radius: 50%; background: var(--blue-light); border: 1.5px solid var(--blue-mid); display: flex; align-items: center; justify-content: center; color: var(--blue); flex-shrink: 0; }
  .highlight-info h4 { font-size: 0.95rem; font-weight: 800; color: var(--text); margin-bottom: 0.2rem; }
  .highlight-info p { font-size: 0.76rem; color: var(--text-soft); line-height: 1.5; margin: 0; }

  /* ── CITY GALLERY ────────────────────────────────────── */
  .city-gallery-title { font-size: 1.1rem; font-weight: 800; color: var(--text); margin: 3rem 0 1.5rem; border-left: 4px solid var(--blue); padding-left: 0.8rem; }
  .city-gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1.5rem; margin-top: 1rem; }
  .city-card { cursor: pointer; border-radius: 14px; overflow: hidden; background: #fff; border: 1.5px solid var(--border); transition: all 0.3s ease; box-shadow: var(--shadow-sm); }
  .city-card:hover { transform: translateY(-5px); border-color: var(--blue); box-shadow: var(--shadow-md); }
  .city-thumb { aspect-ratio: 16/10; position: relative; overflow: hidden; }
  .city-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
  .city-card:hover .city-thumb img { transform: scale(1.08); }
  .city-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(26, 95, 212, 0.4); display: flex; align-items: center; justify-content: center; opacity: 0; transition: opacity 0.3s ease; }
  .city-card:hover .city-overlay { opacity: 1; }
  .expand-icon { font-size: 2rem; color: #fff; font-weight: 300; }
  .city-info { padding: 1rem; }
  .city-info h3 { font-size: 0.95rem; font-weight: 800; color: var(--text); margin-bottom: 0.3rem; }
  .city-info p { font-size: 0.78rem; color: var(--text-soft); line-height: 1.5; margin: 0; }
  .city-actions { margin-top: 1rem; }
  .map-btn { width: 30%; border: none; border-radius: 99px; padding: 0.72rem 0.95rem; font-size: 0.78rem; font-weight: 800; cursor: pointer; transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease; }
  .map-btn:hover { transform: translateY(-1px); }
  .map-btn-primary { background: var(--blue); color: #fff; box-shadow: 0 10px 18px rgba(26, 95, 212, 0.2); }
  .map-btn-primary:hover { background: #174faf; }

  /* ── MODAL ───────────────────────────────────────────── */
  .modal-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(10, 17, 32, 0.95); z-index: 2000; display: flex; align-items: center; justify-content: center; padding: 2rem; backdrop-filter: blur(8px); animation: fadeIn 0.3s ease; }
  .modal-content { position: relative; max-width: 90%; max-height: 90vh; display: flex; flex-direction: column; align-items: center; }
  .modal-close { position: absolute; top: -3rem; right: -1rem; background: none; border: none; font-size: 3rem; color: #fff; cursor: pointer; transition: transform 0.2s ease; opacity: 0.8; }
  .modal-close:hover { opacity: 1; transform: scale(1.1); }
  .modal-content img { max-width: 100%; max-height: 80vh; object-fit: contain; border-radius: 12px; box-shadow: 0 0 40px rgba(0,0,0,0.5); }
  .modal-caption { margin-top: 1.5rem; color: #fff; font-size: 1.2rem; font-weight: 700; text-align: center; letter-spacing: 0.5px; }

  @keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

  /* ── RESPONSIVE ──────────────────────────────────────── */
  @media(max-width:1100px) {
    .dates-grid {
      grid-template-columns: repeat(2, 1fr)
    }

    .speakers-grid {
      grid-template-columns: repeat(2, 1fr)
    }

    .members-grid {
      grid-template-columns: repeat(3, 1fr)
    }

    .about-grid {
      grid-template-columns: 1fr;
      gap: 2.5rem
    }

    .footer-grid {
      grid-template-columns: 1fr 1fr;
      gap: 2rem
    }

    .topics-grid {
      grid-template-columns: repeat(2, 1fr)
    }

    .city-highlights {
      grid-template-columns: 1fr;
      gap: 1rem;
    }

    .program-tracks-grid {
      grid-template-columns: 1fr;
    }
  }

  @media(max-width:768px) {
    :root {
      --nav-h: 60px
    }

    .welcome-grid {
      grid-template-columns: 1fr;
    }

    .home-hero-details {
      width: 100%;
      padding: 0 .5rem;
      text-align: center;
    }

    .home-hero-restyled .hero-title {
      max-width: 100%;
      text-align: center;
    }

    .welcome-logo {
      display: none;
    }

    .nav-links {
      display: none
    }

    .hamburger {
      display: flex
    }

    .contact-grid {
      grid-template-columns: 1fr
    }

    .program-tracks-grid {
      grid-template-columns: 1fr;
      gap: 1rem;
    }

    .program-track-card {
      padding: 1.35rem;
    }

    .subpage-hero {
      padding: 3rem 1rem 2rem;
    }

    .subpage-hero-inner-centered {
      padding: 0 1rem;
    }

    .subpage-hero-inner-centered p {
      max-width: 100%;
    }

    .contact-grid {
      grid-template-columns: 1fr
    }

    .stats-grid {
      grid-template-columns: repeat(2, 1fr)
    }

    .members-grid {
      grid-template-columns: repeat(2, 1fr)
    }

    .section {
      padding: 3.5rem 1rem
    }

    .about-grid {
      grid-template-columns: 1fr
    }
  }

  @media(max-width:520px) {
    .dates-grid,
    .speakers-grid,
    .members-grid,
    .topics-grid,
    .program-tracks-grid {
      grid-template-columns: 1fr
    }

    .program-track-card {
      padding: 1.25rem;
    }

    .subpage-hero {
      padding: 2.25rem 0 1.75rem;
    }

    .subpage-hero-inner-centered .sec-title {
      font-size: clamp(1.4rem, 7vw, 2.1rem);
    }

    .program-intro {
      margin: 1rem auto 1.5rem;
    }

    .footer-grid {
      grid-template-columns: 1fr
    }

    .hero-logos {
      gap: 1rem
    }

    .logo-img-wrap {
      width: 72px;
      height: 72px
    }

    #scroll-top-btn {
      right: 1rem;
      bottom: calc(3.35rem + env(safe-area-inset-bottom, 0px));
      width: 42px;
      height: 42px
    }
  }