:root {
  --bg: #ffffff;
  --text: #121826;
  --muted: #5b6270;

  --brand: #9ad3d9;
  --brand2: #09859b;
  --brand-dark: #066b7d;
  --brand-soft: #eaf8fa;
  --brand-glow: rgba(9, 133, 155, 0.18);

  --card: #ffffff;
  --soft: #f6fbfc;

  --shadow: 0 20px 60px rgba(18, 24, 38, 0.1);
  --shadow2: 0 10px 30px rgba(18, 24, 38, 0.08);

  --h1: clamp(34px, 3.6vw, 58px);
  --h2: clamp(28px, 2.6vw, 44px);
  --h3: clamp(18px, 1.35vw, 22px);
  --p: 16px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: "Inter", sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  font-size: var(--p);
}

section {
  padding: 110px 8%;
  position: relative;
}
h1,
h2,
h3 {
  font-weight: 900;
  letter-spacing: -0.02em;
}
h1 {
  font-size: var(--h1);
  line-height: 1.05;
}
h2 {
  font-size: var(--h2);
  line-height: 1.15;
}
h3 {
  font-size: var(--h3);
  line-height: 1.2;
}
p {
  color: var(--muted);
  line-height: 1.75;
}
a {
  color: inherit;
}
img {
  max-width: 100%;
  display: block;
}
.max {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
}

.reveal {
  transition: all 0.9s cubic-bezier(0.22, 0.61, 0.36, 1);
  will-change: transform, opacity;
}
.fade-up {
  transform: translateY(60px);
}
.fade-down {
  transform: translateY(-60px);
}
.fade-left {
  transform: translateX(-70px);
}
.fade-right {
  transform: translateX(70px);
}
.zoom-in {
  transform: scale(0.92);
}
.reveal.is-in {
  opacity: 1;
  transform: none;
}

/* ================= HEADER ================= */
.main-header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  transition: 0.25s ease;
  display: flex;
  justify-content: center;
  padding: 16px 1%;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(18, 24, 38, 0.06);
}
.main-header.scrolled {
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  padding: 12px 1%;
}
.nav-wrapper {
  width: 100%;
  max-width: 1400px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  position: relative;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav-item {
  position: relative;
  display: flex;
  align-items: center;
}

.nav-link {
  text-decoration: none;
  font-weight: 700;
  color: rgba(18, 24, 38, 0.75);
  transition: 0.2s;
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: none;
  border: none;
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
  padding: 0;
}

.nav-link:hover,
.nav-item:hover > .nav-link,
.nav-item.open > .nav-link {
  color: var(--brand2);
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -10px;
  width: 0%;
  height: 2px;
  background: linear-gradient(90deg, var(--brand2), var(--brand));
  transition: 0.25s;
  border-radius: 10px;
}

.nav-item:hover > .nav-link::after,
.nav-item.open > .nav-link::after,
.nav-link:hover::after {
  width: 100%;
}

.nav-caret {
  width: 8px;
  height: 8px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  margin-top: -3px;
  transition: 0.25s ease;
}

.nav-item.open .nav-caret {
  transform: rotate(-135deg);
  margin-top: 2px;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 18px);
  left: 0;
  min-width: 250px;
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid rgba(18, 24, 38, 0.08);
  border-radius: 18px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: 0.22s ease;
  z-index: 1001;
}

.dropdown-menu a {
  text-decoration: none;
  color: rgba(18, 24, 38, 0.78);
  font-weight: 700;
  padding: 12px 14px;
  border-radius: 12px;
  transition: 0.2s ease;
}

.dropdown-menu a:hover {
  background: var(--brand-soft);
  color: var(--brand2);
  transform: translateX(4px);
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.register-btn {
  background: linear-gradient(135deg, var(--brand2), var(--brand));
  color: #fff;
  padding: 11px 18px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 800;
  box-shadow: 0 12px 30px rgba(9, 133, 155, 0.25);
  transition: 0.25s;
}
.register-btn:hover {
  transform: translateY(-2px);
}

.ghost-btn {
  padding: 11px 16px;
  border-radius: 999px;
  border: 1px solid rgba(18, 24, 38, 0.1);
  text-decoration: none;
  font-weight: 800;
  background: rgba(255, 255, 255, 0.6);
  transition: 0.25s;
}
.ghost-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow2);
  color: var(--brand2);
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid rgba(18, 24, 38, 0.1);
  background: rgba(255, 255, 255, 0.7);
  cursor: pointer;
}
.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: rgba(18, 24, 38, 0.7);
  margin: 5px auto;
  border-radius: 2px;
}

/* MOBILE NAV */
.nav-menu.mobile-open {
  display: flex !important;
  flex-direction: column;
  position: absolute;
  top: 70px;
  right: 0;
  width: min(340px, 92vw);
  padding: 16px;
  gap: 8px;
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid rgba(18, 24, 38, 0.1);
  border-radius: 18px;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.12);
  align-items: stretch;
}

.nav-menu.mobile-open .nav-item {
  width: 100%;
  display: block;
}

.nav-menu.mobile-open .nav-link {
  width: 100%;
  justify-content: space-between;
  padding: 12px 10px;
  border-radius: 12px;
}

.nav-menu.mobile-open .nav-link::after {
  display: none;
}

.nav-menu.mobile-open .nav-link:hover {
  background: var(--brand-soft);
}

.nav-menu.mobile-open .dropdown-menu {
  position: static;
  min-width: 100%;
  opacity: 1;
  visibility: visible;
  transform: none;
  display: none;
  margin-top: 8px;
  box-shadow: none;
  border-radius: 14px;
  border: 1px solid rgba(9, 133, 155, 0.1);
  background: #f9feff;
  padding: 8px;
}

.nav-menu.mobile-open .nav-item.open > .dropdown-menu {
  display: flex;
}

/* ================= HERO ================= */
.hero-only {
  margin-top: 86px;
  height: 560px;
  position: relative;
  overflow: hidden;
  background: #f6f7fb;
}
.hero-only .hero-track {
  position: absolute;
  inset: 0;
  display: flex;
  height: 100%;
  width: 100%;
  transform: translateX(0%);
  transition: transform 0.75s cubic-bezier(0.2, 0.8, 0.2, 1);
  will-change: transform;
}
.hero-only .hero-slide {
  min-width: 100%;

  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.hero-only::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 180px;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.24), transparent);
  z-index: 2;
  pointer-events: none;
}

.hero-controls {
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
}
.hero-btn {
  pointer-events: auto;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 46px;
  height: 46px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: rgba(0, 0, 0, 0.22);
  backdrop-filter: blur(8px);
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: 0.2s ease;
}
.hero-btn:hover {
  transform: translateY(-50%) scale(1.04);
  background: rgba(0, 0, 0, 0.3);
}
.hero-btn.prev {
  left: 18px;
}
.hero-btn.next {
  right: 18px;
}
.hero-arrow {
  width: 10px;
  height: 10px;
  border-right: 2px solid rgba(255, 255, 255, 0.95);
  border-bottom: 2px solid rgba(255, 255, 255, 0.95);
}
.hero-btn.prev .hero-arrow {
  transform: rotate(135deg);
}
.hero-btn.next .hero-arrow {
  transform: rotate(-45deg);
}

.hero-dots {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 22px;
  display: flex;
  gap: 10px;
  z-index: 4;
}
.hero-dot {
  width: 9px;
  height: 9px;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.35);
  cursor: pointer;
  transition: 0.25s ease;
}
.hero-dot.is-active {
  width: 28px;
  background: rgba(255, 255, 255, 0.95);
}

/* ================= COUNTDOWN ================= */
.countdown-pro {
  background: linear-gradient(135deg, var(--brand), var(--brand2));
  color: #fff;
  padding: 80px 8%;
  position: relative;
  overflow: hidden;
}
.countdown-pro::before {
  content: "";
  position: absolute;
  inset: -30%;
  background:
    radial-gradient(
      circle at 20% 30%,
      rgba(255, 255, 255, 0.24),
      transparent 30%
    ),
    radial-gradient(
      circle at 80% 20%,
      rgba(255, 255, 255, 0.18),
      transparent 28%
    ),
    radial-gradient(
      circle at 50% 80%,
      rgba(255, 255, 255, 0.14),
      transparent 30%
    );
  filter: blur(20px);
  opacity: 0.9;
}
.count-wrapper {
  position: relative;
  z-index: 2;
  max-width: 1400px;
  margin: auto;
}
.count-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 34px;
  flex-wrap: wrap;
  gap: 18px;
}
.count-header h2 {
  font-size: 34px;
  color: #fff;
}
.count-header p {
  color: rgba(255, 255, 255, 0.9);
}
.target {
  font-weight: 900;
  color: rgba(255, 255, 255, 0.95);
}

.count-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 18px;
}
.count-card {
  background: rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(18px);
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 20px;
  padding: 22px;
  transition: 0.25s;
  position: relative;
  overflow: hidden;
}
.count-card::after {
  content: "";
  position: absolute;
  inset: -1px;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.18),
    transparent 35%
  );
  opacity: 0.4;
  pointer-events: none;
}
.count-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.18);
}
.count-card h3 {
  font-size: 40px;
  margin-bottom: 6px;
  letter-spacing: -0.02em;
}
.count-card span {
  font-size: 12px;
  letter-spacing: 1.4px;
  font-weight: 900;
  color: rgba(255, 255, 255, 0.88);
}
.progress {
  height: 6px;
  background: rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  margin-top: 16px;
  overflow: hidden;
}
.progress div {
  height: 100%;
  background: #ffffff;
  border-radius: 999px;
  transition: 0.5s;
  width: 0%;
}

.section-tag {
  display: inline-block;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(9, 133, 155, 0.1);
  border: 1px solid rgba(9, 133, 155, 0.16);
  color: var(--brand2);
  font-weight: 800;
  font-size: 13px;
  margin-bottom: 14px;
}

.section-title {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 28px;
}
.section-title p {
  max-width: 620px;
}

.bg-section-no-overlay {
  background:
    radial-gradient(
      circle at top left,
      rgba(154, 211, 217, 0.18),
      transparent 32%
    ),
    linear-gradient(180deg, #ffffff, #f7fcfd);
}

.experience-upgrade {
  overflow: hidden;
}
.multi-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
}
.multi-images {
  position: relative;
  min-height: 580px;
}
.multi-images div {
  position: absolute;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid rgba(18, 24, 38, 0.08);
  background: #fff;
  transition: 0.35s ease;
}
.multi-images div:hover {
  transform: translateY(-8px) scale(1.02);
}
.multi-images img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.img-main {
  width: 48%;
  height: 270px;
  left: 0;
  bottom: 0;
  z-index: 3;
}
.img-top {
  width: calc(100% - 90px);
  height: 340px;
  right: 40px;
  top: 0;
  z-index: 4;
}
.img-bottom {
  width: 49%;
  height: 270px;
  right: 0;
  bottom: 0;
  z-index: 4;
  transform: rotateY(-180deg);
}
.img-bottom img{
    object-position: 10% 100%;
}
.multi-images .img-bottom:hover {
  transform: translateY(-8px) scale(1.02) rotateY(-180deg);
}
.img-bg-box {
  position: absolute;
  width: 320px;
  height: 420px;
  right: 30px;
  top: 40px;
  background: linear-gradient(
    135deg,
    rgba(154, 211, 217, 0.42),
    rgba(9, 133, 155, 0.18)
  );
  border-radius: 24px;
  z-index: 1;
  box-shadow: 0 20px 60px rgba(9, 133, 155, 0.12);
  animation: floatSoft 6s ease-in-out infinite;
}
.img-bg-ring {
  position: absolute;
  width: 190px;
  height: 190px;
  border-radius: 50%;
  border: 22px solid rgba(9, 133, 155, 0.12);
  left: 40px;
  top: 0;
  z-index: 0;
  animation: floatSoft 5.5s ease-in-out infinite;
}

.multi-content {
  max-width: 620px;
}
.multi-title {
  font-size: var(--h2);
  line-height: 1.12;
  margin: 12px 0 14px;
}
.multi-grad {
  background: linear-gradient(135deg, var(--brand2), var(--brand));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.multi-desc {
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
}
.multi-list {
  margin-top: 22px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}
.multi-list li {
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(9, 133, 155, 0.12);
  font-size: 14px;
  box-shadow: 0 12px 26px rgba(9, 133, 155, 0.08);
  transition: 0.3s ease;
}
.multi-list li:hover {
  transform: translateX(8px);
  border-color: rgba(9, 133, 155, 0.28);
}
.multi-actions {
  margin-top: 24px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.cta-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  border-radius: 14px;
  text-decoration: none;
  font-weight: 900;
  color: #fff;
  background: linear-gradient(135deg, var(--brand2), var(--brand));
  box-shadow: 0 18px 50px rgba(9, 133, 155, 0.18);
  transition: 0.25s;
}
.cta-primary:hover {
  transform: translateY(-2px);
}
.cta-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  border-radius: 14px;
  text-decoration: none;
  font-weight: 800;
  color: var(--brand2);
  background: #fff;
  border: 1px solid rgba(9, 133, 155, 0.14);
  box-shadow: 0 10px 24px rgba(18, 24, 38, 0.06);
  transition: 0.25s;
}
.cta-secondary:hover {
  transform: translateY(-2px);
}

.collage-about {
  background:
    radial-gradient(
      circle at 10% 10%,
      rgba(154, 211, 217, 0.22),
      transparent 28%
    ),
    linear-gradient(180deg, #f7fcfd, #ffffff);
  padding: 110px 8%;
  overflow: hidden;
}
.collage-wrap {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 70px;
  align-items: center;
}
.ca-left {
  position: relative;
  max-width: 620px;
}
.ca-subtitle {
  color: var(--brand2);
  font-weight: 900;
  margin-bottom: 12px;
  letter-spacing: 0.2px;
}
.ca-title {
  font-size: var(--h2);
  line-height: 1.03;
  color: var(--text);
  margin-bottom: 16px;
  position: relative;
}
.ca-outline {
  position: absolute;
  top: -52px;
  left: -10px;
  font-size: 120px;
  color: transparent;
  -webkit-text-stroke: 1px rgba(9, 133, 155, 0.14);
  z-index: -1;
  pointer-events: none;
}
.ca-highlight {
  background: linear-gradient(135deg, var(--brand2), var(--brand));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.ca-desc {
  margin: 18px 0 26px;
  color: var(--muted);
  line-height: 1.75;
}
.ca-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--brand2), var(--brand));
  color: #fff;
  padding: 14px 22px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 900;
  box-shadow: 0 18px 50px rgba(9, 133, 155, 0.18);
  transition: 0.25s;
}
.ca-btn:hover {
  transform: translateY(-2px);
}

.ca-right {
  position: relative;
  width: 100%;
  min-height: 620px;
}
.ca-frame {
  position: absolute;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid rgba(18, 24, 38, 0.08);
  background: #fff;
  transition: 0.35s ease;
}
.ca-frame:hover {
  transform: translateY(-8px);
}
.ca-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.ca-bgbox {
  position: absolute;
  right: 18px;
  top: 42px;
  width: 320px;
  height: 440px;
  background: linear-gradient(
    135deg,
    rgba(154, 211, 217, 0.3),
    rgba(9, 133, 155, 0.16)
  );
  border-radius: 20px;
  z-index: 0;
  box-shadow: 0 20px 60px rgba(18, 24, 38, 0.08);
  animation: floatSoft 6s ease-in-out infinite;
}
.ca-accent {
  position: absolute;
  right: 70px;
  top: 10px;
  width: 360px;
  height: 360px;
  border: 10px solid rgba(9, 133, 155, 0.16);
  border-radius: 18px;
  z-index: 0;
  animation: floatSoft 5s ease-in-out infinite;
}
.ca-main {
  width: calc(100% - 100px);
  height: 330px;
  right: 45px;
  top: 40px;
  z-index: 2;
}
.ca-top {
  width: 49%;
  height: 270px;
  left: 0;
  bottom: 0;
  z-index: 3;
}
.ca-bottom {
  width: 49%;
  height: 270px;
  right: 0;
  bottom: 0;
  z-index: 1;
}
.ca-bottom img {
  transform: rotateY(-180deg);
}
.ca-bottom:hover img {
  transform: translateY(-8px) rotateY(-180deg);
}

.experience-section {
  padding: 110px 8%;
  background:
    radial-gradient(
      circle at right top,
      rgba(9, 133, 155, 0.1),
      transparent 30%
    ),
    linear-gradient(180deg, #ffffff, #f7fcfd);
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.split-content h2 {
  margin-bottom: 18px;
  font-size: var(--h2);
}

.split-content p {
  max-width: 520px;
}

.feature-points {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 26px;
}
.feature-card {
  padding: 18px;
  border-radius: 20px;
  background: #fff;
  border: 1px solid rgba(9, 133, 155, 0.12);
  box-shadow: 0 12px 26px rgba(9, 133, 155, 0.08);
  transition: 0.3s ease;
}
.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(9, 133, 155, 0.12);
}
.feature-card h4 {
  font-size: 16px;
  margin-bottom: 8px;
  color: var(--brand2);
  font-weight: 800;
}
.feature-card p {
  font-size: 14px;
  line-height: 1.7;
}

.split-image {
  display: flex;
  justify-content: center;
  position: relative;
}
.split-image::before {
  content: "";
  position: absolute;
  width: 80%;
  height: 80%;
  background: radial-gradient(
    circle,
    rgba(154, 211, 217, 0.22),
    transparent 65%
  );
  z-index: 0;
  filter: blur(10px);
}
.split-image img {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 920px;
  height: auto;
  border-radius: 24px;
  box-shadow: 0 20px 60px rgba(18, 24, 38, 0.12);
  transition: 0.3s ease;
}
.split-image img:hover {
  transform: translateY(-6px) scale(1.01);
}

.event-schedule {
  padding: 100px 8%;
  background:
    radial-gradient(
      1200px 600px at 50% -10%,
      rgba(154, 211, 217, 0.18),
      transparent 60%
    ),
    #fff;
}
.event-schedule .max {
  max-width: 1200px;
  margin: 0 auto;
}
.es-title {
  text-align: center;
  font-size: var(--h2);
  font-weight: 900;
  color: #1f2340;
  margin: 0;
}
.es-sub {
  text-align: center;
  margin: 14px auto 0;
  max-width: 820px;
  font-size: 16px;
  line-height: 1.8;
  color: #6d7084;
}
.es-tabs {
  margin: 60px auto 0;
  max-width: 960px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: rgba(244, 244, 248, 0.9);
  border: 1px solid rgba(18, 24, 38, 0.08);
  height: 110px;
  align-items: stretch;
  box-shadow: 0 18px 50px rgba(18, 24, 38, 0.06);
  position: relative;
  overflow: hidden;
  border-radius: 22px;
}
.es-tab {
  border: 0;
  background: transparent;
  cursor: pointer;
  font-size: clamp(16px, 1.8vw, 28px);
  font-weight: 900;
  color: #4d4e4e;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  transition:
    transform 0.2s ease,
    color 0.2s ease,
    background 0.2s ease;
}
.es-tab:hover {
  transform: translateY(-2px);
}
.es-tab.is-active {
  background: linear-gradient(135deg, var(--brand), var(--brand2));
  color: #fff;
}
.es-tab.is-active::after {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: -16px;
  width: 0;
  height: 0;
  border-left: 16px solid transparent;
  border-right: 16px solid transparent;
  border-top: 16px solid var(--brand2);
}
.es-panels {
  margin-top: 70px;
}
.es-panel {
  animation: panelIn 0.45s ease both;
}
@keyframes panelIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.es-panel[hidden] {
  display: none !important;
}

.es-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 26px;
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 12px 30px rgba(18, 24, 38, 0.06);
  border: 1px solid rgba(9, 133, 155, 0.1);
  margin-bottom: 16px;
  transition: 0.3s ease;
}
.es-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(9, 133, 155, 0.1);
}
.es-time {
  font-size: 18px;
  font-weight: 900;
  color: var(--brand2);
}
.es-name {
  margin-top: 8px;
  font-size: 20px;
  color: #1b1f35;
  font-weight: 700;
}
.es-divider {
  display: none;
}
.es-toggle {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  border: 1px solid rgba(9, 133, 155, 0.12);
  background: rgba(255, 255, 255, 0.85);
  box-shadow: 0 12px 30px rgba(18, 24, 38, 0.06);
  cursor: pointer;
  display: grid;
  place-items: center;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
  flex-shrink: 0;
}
.es-toggle:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 40px rgba(18, 24, 38, 0.1);
}
.chev {
  width: 10px;
  height: 10px;
  border-right: 2px solid #1b1f35;
  border-bottom: 2px solid #1b1f35;
  transform: rotate(45deg);
}

.partners-upgrade {
  background:
    radial-gradient(
      circle at left center,
      rgba(154, 211, 217, 0.22),
      transparent 28%
    ),
    linear-gradient(180deg, #f7fcfd, #ffffff);
}
.partners-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 26px;
  margin-top: 34px;
}
.partner {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(9, 133, 155, 0.1);
  border-radius: 20px;
  padding: 22px;
  box-shadow: 0 12px 26px rgba(9, 133, 155, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 130px;
  transition: 0.3s ease;
  position: relative;
  overflow: hidden;
}
.partner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(154, 211, 217, 0.18),
    transparent 55%
  );
  opacity: 0;
  transition: 0.3s ease;
}
.partner img {
  opacity: 0.85;
  transition: 0.25s;
  position: relative;
  z-index: 1;
}
.partner:hover {
  transform: translateY(-8px);
  box-shadow: 0 22px 45px rgba(9, 133, 155, 0.14);
}
.partner:hover::before {
  opacity: 1;
}
.partner:hover img {
  filter: grayscale(0);
  opacity: 1;
  transform: scale(1.03);
}

.media-upgrade {
  background: #fff;
}
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin-top: 10px;
}
.gallery-card {
  position: relative;
  overflow: hidden;
  border-radius: 24px;
  box-shadow: 0 14px 40px rgba(18, 24, 38, 0.1);
}
.gallery-card img {
  width: 100%;
  height: 100%;
  min-height: 320px;
  object-fit: cover;
  transition: 0.45s ease;
}
.gallery-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(9, 133, 155, 0.36), transparent 55%);
  opacity: 0.75;
  transition: 0.35s ease;
}
.gallery-card:hover img {
  transform: scale(1.08);
}
.gallery-card:hover::after {
  opacity: 0.95;
}

.pro-footer {
  position: relative;
  overflow: hidden;
  color: #fff;
  padding: 80px 8% 34px;
  background:
    radial-gradient(
      900px 420px at 20% 10%,
      rgba(154, 211, 217, 0.35),
      transparent 60%
    ),
    radial-gradient(
      900px 420px at 80% 0%,
      rgba(255, 255, 255, 0.1),
      transparent 55%
    ),
    linear-gradient(135deg, var(--brand2), var(--brand));
}
.pro-footer::before,
.pro-footer::after {
  content: "";
  position: absolute;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.28;
  pointer-events: none;
}
.pro-footer::before {
  left: -140px;
  bottom: -180px;
  background: rgba(154, 211, 217, 1);
}
.pro-footer::after {
  right: -160px;
  top: -200px;
  background: rgba(255, 255, 255, 1);
}

.pf-wrap {
  max-width: 1400px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.pf-top {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 50px;
  align-items: start;
  padding-bottom: 38px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.pf-brand {
  max-width: 520px;
}
.pf-logo {
  height: 56px;
  width: auto;
  filter: drop-shadow(0 12px 24px rgba(0, 0, 0, 0.2));
}
.pf-tagline {
  margin-top: 14px;
  color: rgba(255, 255, 255, 0.88);
  line-height: 1.75;
}

.pf-social {
  margin-top: 16px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.pf-ico {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  text-decoration: none;
  font-weight: 900;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  transition: 0.22s ease;
}
.pf-ico:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.16);
}

.pf-cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 26px;
}

.pf-col h4 {
  font-size: 14px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  margin-bottom: 14px;
  font-weight: 900;
  color: rgba(255, 255, 255, 0.92);
}

.pf-col a {
  display: block;
  text-decoration: none;
  color: rgba(255, 255, 255, 0.84);
  margin: 10px 0;
  transition: 0.2s ease;
  width: fit-content;
}
.pf-col a:hover {
  color: #fff;
  transform: translateX(4px);
}

.pf-contact {
  display: grid;
  gap: 10px;
  color: rgba(255, 255, 255, 0.86);
}
.pf-contact b {
  color: #fff;
}
.pf-contact a {
  color: rgba(255, 255, 255, 0.92);
  text-decoration: none;
  font-weight: 800;
}
.pf-contact a:hover {
  color: #fff;
  text-decoration: underline;
}

.pf-bottom {
  margin-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  color: rgba(255, 255, 255, 0.82);
}
.pf-legal {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.pf-legal a {
  color: rgba(255, 255, 255, 0.84);
  text-decoration: none;
  font-weight: 700;
}
.pf-legal a:hover {
  color: #fff;
  text-decoration: underline;
}
.pf-legal span {
  opacity: 0.7;
}

@keyframes floatSoft {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-14px);
  }
}

@media (max-width: 1050px) {
  .collage-wrap,
  .multi-wrap,
  .split {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .ca-left,
  .multi-content {
    margin: 0 auto;
    text-align: center;
  }

  .ca-right {
    min-height: 660px;
  }
  .ca-main {
    left: 50%;
    transform: translateX(-50%);
  }
  .ca-outline {
    left: 50%;
    transform: translateX(-50%);
  }
  .multi-images {
    min-height: 640px;
  }
  .img-main {
    left: 50%;
    transform: translateX(-50%);
  }
  .feature-points {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 900px) {
  section {
    padding: 90px 6%;
  }
  .nav-menu {
    display: none;
  }
  .menu-toggle {
    display: block;
  }
  .es-tabs {
    height: 90px;
    max-width: 100%;
  }
  .pf-top {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .pf-cols {
    grid-template-columns: 1fr 1fr;
    gap: 18px;
  }
  .feature-points {
    grid-template-columns: 1fr;
  }
  .split {
    text-align: center;
  }
  .split-content p {
    margin: 0 auto;
  }
  .split-image {
    margin-top: 10px;
  }
}

@media (max-width: 560px) {
  .pf-cols {
    grid-template-columns: 1fr;
  }
  .pf-bottom {
    justify-content: center;
    text-align: center;
  }
}

@media (max-width: 520px) {
  .hero-only {
    height: 690px;
  }
  .ca-right {
    min-height: 740px;
  }
  .ca-main {
    width: 86vw;
    height: 520px;
  }
  .ca-top,
  .ca-bottom {
    width: 78vw;
  }
  .ca-top {
    height: 240px;
  }
  .ca-bottom {
    height: 320px;
  }

  .img-main {
    width: 80vw;
    height: 420px;
  }
  .img-top,
  .img-bottom {
    width: 70vw;
  }
  .img-top {
    height: 200px;
  }
  .img-bottom {
    height: 260px;
  }

  .es-tabs {
    height: 74px;
  }
  .es-time {
    font-size: 16px;
  }
  .es-name {
    font-size: 18px;
  }
  .es-item {
    padding: 18px;
  }
}

/* about us  */
.tas-banner {
  background:
    linear-gradient(rgba(7, 28, 36, 0.45), rgba(7, 28, 36, 0.45)),
    url("assets/images/strip/Strip_1920x200 pxl (1).jpg") center / cover
      no-repeat;
  text-align: center;
  padding: 38px 20px;
  color: #fff;
}

.tas-banner .ibca-banner-title {
  font-size: clamp(30px, 4vw, 42px);
  font-weight: 900;
  color: #fff;
  margin: 0;
  letter-spacing: -0.02em;
}

.tas-banner .ibca-banner-subtitle {
  margin-top: 10px;
  font-size: 16px;
  color: rgba(255, 255, 255, 0.92);
}

.tas-about-section {
  padding: 80px 40px;
  background:
    radial-gradient(
      circle at top left,
      rgba(154, 211, 217, 0.15),
      transparent 28%
    ),
    linear-gradient(180deg, #ffffff 0%, #f7fcfd 100%);
  overflow: hidden;
}

.tas-about-container {
  max-width: 1320px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 60px;
  align-items: center;
}

.tas-about-content {
  position: relative;
}

.tas-section-tag {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(9, 133, 155, 0.1);
  border: 1px solid rgba(9, 133, 155, 0.14);
  color: #09859b;
  font-size: 13px;
  font-weight: 800;
  margin-bottom: 18px;
}

.tas-about-title {
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.08;
  margin: 0 0 14px;
  font-weight: 900;
  color: #121826;
}

.tas-about-title span {
  background: linear-gradient(135deg, #09859b, #9ad3d9);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.tas-lead {
  font-size: 18px;
  line-height: 1.85;
  color: #3f4a5a;
  margin-bottom: 22px;
  max-width: 760px;
}

.tas-about-text {
  display: grid;
  gap: 16px;
}

.tas-about-text p {
  margin: 0;
  font-size: 15.8px;
  line-height: 1.9;
  color: #5b6270;
}

.tas-impact-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 30px;
}

.tas-impact-card {
  background: #fff;
  border: 1px solid rgba(9, 133, 155, 0.12);
  border-radius: 20px;
  padding: 22px 18px;
  box-shadow: 0 14px 35px rgba(18, 24, 38, 0.06);
  transition: 0.3s ease;
}

.tas-impact-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 45px rgba(9, 133, 155, 0.12);
}

.tas-impact-card h3 {
  margin: 0 0 8px;
  font-size: 30px;
  color: #09859b;
  font-weight: 900;
}

.tas-impact-card span {
  font-size: 13px;
  line-height: 1.6;
  color: #5b6270;
  font-weight: 700;
}

.tas-highlight-box {
  margin-top: 26px;
  padding: 18px 22px;
  border-left: 4px solid #09859b;
  background: linear-gradient(
    135deg,
    rgba(154, 211, 217, 0.12),
    rgba(9, 133, 155, 0.06)
  );
  border-radius: 16px;
  color: #121826;
  font-size: 16px;
  font-weight: 800;
  line-height: 1.7;
}

.tas-about-visual {
  position: relative;
  min-height: 620px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tas-image-wrap {
  width: 100%;
  max-width: 500px;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(18, 24, 38, 0.14);
  border: 1px solid rgba(18, 24, 38, 0.08);
  position: relative;
  z-index: 2;
  background: #fff;
}

.tas-image-wrap img {
  width: 100%;
  height: 620px;
  object-fit: cover;
  display: block;
}

.tas-floating-card {
  position: absolute;
  z-index: 3;
  width: 240px;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(9, 133, 155, 0.12);
  border-radius: 20px;
  padding: 18px 18px 16px;
  box-shadow: 0 16px 40px rgba(18, 24, 38, 0.1);
}

.tas-floating-card strong {
  display: block;
  font-size: 15px;
  color: #121826;
  margin-bottom: 6px;
  font-weight: 900;
}

.tas-floating-card p {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: #5b6270;
}

.tas-card-top {
  top: 40px;
  left: -10px;
}

.tas-card-bottom {
  right: -10px;
  bottom: 40px;
}

@media (max-width: 1100px) {
  .tas-about-container {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .tas-about-visual {
    min-height: auto;
  }

  .tas-image-wrap {
    max-width: 100%;
  }

  .tas-image-wrap img {
    height: 520px;
  }

  .tas-card-top {
    top: 20px;
    left: 10px;
  }

  .tas-card-bottom {
    right: 10px;
    bottom: 20px;
  }
}

@media (max-width: 768px) {
  .tas-about-section {
    padding: 60px 20px;
  }

  .tas-impact-grid {
    grid-template-columns: 1fr;
  }

  .tas-about-title {
    font-size: 30px;
  }

  .tas-lead {
    font-size: 16px;
  }

  .tas-image-wrap img {
    height: 420px;
  }

  .tas-floating-card {
    position: static;
    width: 100%;
    margin-top: 14px;
  }

  .tas-about-visual {
    display: block;
  }
}
/* host */
.tas-host {
  padding: 90px 8%;
  background:
    radial-gradient(
      circle at left top,
      rgba(154, 211, 217, 0.18),
      transparent 30%
    ),
    linear-gradient(180deg, #ffffff, #f7fcfd);
}

.tas-host-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 50px;
}

.tas-host-header h2 {
  font-size: var(--h2);
  margin: 10px 0;
}

.tas-host-header p {
  font-size: 16px;
}

.tas-host-block {
  margin-top: 40px;
  text-align: center;
}

.tas-host-block h3 {
  font-size: 18px;
  font-weight: 900;
  margin-bottom: 24px;
  color: var(--brand2);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.tas-logos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 22px;
}

.tas-logos-grid.small {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  max-width: 600px;
  margin: 0 auto;
}

.tas-logo-card {
  background: #fff;
  border-radius: 20px;
  padding: 26px 20px;
  border: 1px solid rgba(9, 133, 155, 0.1);
  box-shadow: 0 14px 30px rgba(18, 24, 38, 0.06);
  transition: 0.3s ease;
}

.tas-logo-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(9, 133, 155, 0.12);
}

.tas-logo-card img {
  max-height: 60px;
  margin: 0 auto 14px;
  object-fit: contain;
  /*filter:grayscale(100%);*/
  opacity: 0.85;
  transition: 0.25s ease;
}

.tas-logo-card:hover img {
  filter: grayscale(0);
  opacity: 1;
  transform: scale(1.05);
}

.tas-logo-card span {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
  line-height: 1.5;
}

/* MOBILE */
@media (max-width: 600px) {
  .tas-host {
    padding: 70px 20px;
  }
}
/* organising commiteee  */

.max {
  width: 100%;
  max-width: 1380px;
  margin: 0 auto;
}

.header-spacer {
  height: 34px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(9, 133, 155, 0.1);
  border: 1px solid rgba(9, 133, 155, 0.16);
  color: var(--brand2);
  font-weight: 800;
  font-size: 13px;
  margin-bottom: 14px;
}

/* Banner */
.tas-banner {
  background:
    linear-gradient(rgba(7, 28, 36, 0.48), rgba(7, 28, 36, 0.48)),
    url("assets/images/strip/Strip_1920x200 pxl (1).jpg") center / cover
      no-repeat;
  text-align: center;
  padding: 42px 20px;
  color: #fff;
}

.tas-banner-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.tas-banner-title {
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 900;
  color: #fff;
  margin: 0;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.tas-banner-subtitle {
  margin-top: 10px;
  font-size: 16px;
  color: rgba(255, 255, 255, 0.92);
  line-height: 1.7;
}

/* Committees Section */
.tas-committee-section {
  padding: 90px 40px;
  background:
    radial-gradient(
      circle at top left,
      rgba(154, 211, 217, 0.14),
      transparent 28%
    ),
    radial-gradient(
      circle at bottom right,
      rgba(9, 133, 155, 0.08),
      transparent 24%
    ),
    linear-gradient(180deg, #ffffff, #f7fcfd);
}

.tas-committee-header {
  max-width: 840px;
  margin: 0 auto 50px;
  text-align: center;
}

.tas-committee-header h2 {
  font-size: var(--h2);
  line-height: 1.1;
  margin: 6px 0 14px;
  font-weight: 900;
}

.tas-committee-header p {
  color: var(--muted);
  line-height: 1.85;
  font-size: 16px;
}

.tas-committee-block {
  margin-top: 46px;
}

.tas-committee-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.tas-committee-head h3 {
  font-size: var(--h3);
  line-height: 1.2;
  font-weight: 900;
  color: var(--text);
  margin: 0 0 8px;
}

.tas-committee-head p {
  color: var(--muted);
  line-height: 1.8;
  max-width: 760px;
  margin: 0;
}

.tas-people-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 22px;
}

.tas-person-card {
  border: none;
  text-align: left;
  background: #fff;
  border-radius: 22px;
  overflow: hidden;
  cursor: pointer;
  padding: 0;
  box-shadow: 0 14px 35px rgba(18, 24, 38, 0.07);
  border: 1px solid rgba(9, 133, 155, 0.1);
  transition: 0.3s ease;
  width: 100%;
  font-family: inherit;
  display: flex; /* ← add this */
  flex-direction: column; /* ← add this */
}

.tas-person-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 22px 45px rgba(9, 133, 155, 0.14);
}

.tas-person-image {
  position: relative;
  height: 280px;
  overflow: hidden;
  background: linear-gradient(135deg, #d9f1f4, #f4fbfc);
  font-size: 0;
  line-height: 0;
  display: flex; /* ← add this */
}

.tas-person-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top; /* ← top instead of 20% */
  display: block;
  vertical-align: top;
  transition: 0.4s ease;
}

.tas-person-card:hover .tas-person-image img {
  transform: scale(1.06);
}

@media (max-width: 640px) {
  .tas-people-grid {
    grid-template-columns: 1fr;
  }
  .tas-person-image {
    height: 320px;
  }
}

.tas-person-info {
  padding: 18px 18px 20px;
}

.tas-person-info h4 {
  margin: 0 0 8px;
  font-size: 18px;
  line-height: 1.35;
  color: var(--text);
  font-weight: 900;
}

.tas-person-info small {
  display: block;
  margin-bottom: 8px;
  color: #6f7a89;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.6;
}

.tas-person-info span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--brand2);
  font-weight: 800;
  font-size: 13px;
}

.tas-person-info span::after {
  content: "→";
  font-size: 14px;
}

/* Modal */
.tas-modal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition: 0.25s ease;
}

.tas-modal.active {
  opacity: 1;
  visibility: visible;
}

.tas-modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(9, 18, 28, 0.62);
  backdrop-filter: blur(8px);
}

.tas-modal-box {
  position: relative;
  z-index: 2;
  width: min(960px, 100%);
  background: #fff;
  border-radius: 26px;
  overflow: hidden;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.22);
  transform: translateY(20px) scale(0.97);
  transition: 0.3s ease;
  max-height: 90vh;
}

.tas-modal.active .tas-modal-box {
  transform: translateY(0) scale(1);
}

.tas-modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 44px;
  height: 44px;
  border: none;
  border-radius: 14px;
  background: rgba(18, 24, 38, 0.08);
  color: #121826;
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
  z-index: 5;
  transition: 0.2s ease;
}

.tas-modal-close:hover {
  background: rgba(9, 133, 155, 0.12);
  color: var(--brand2);
}

.tas-modal-scroll {
  max-height: 90vh;
  overflow: auto;
}

.tas-modal-content {
  display: grid;
  grid-template-columns: 340px 1fr;
  min-height: 460px;
}

.tas-modal-image {
  background: linear-gradient(135deg, #d9f1f4, #f4fbfc);
}

.tas-modal-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.tas-modal-text {
  padding: 42px 38px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.tas-modal-tag {
  display: inline-flex;
  width: fit-content;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(9, 133, 155, 0.1);
  border: 1px solid rgba(9, 133, 155, 0.14);
  color: var(--brand2);
  font-size: 13px;
  font-weight: 800;
  margin-bottom: 16px;
}

.tas-modal-text h3 {
  margin: 0 0 8px;
  font-size: 34px;
  line-height: 1.1;
  color: var(--text);
  font-weight: 900;
}

.tas-modal-text h4 {
  margin: 0 0 18px;
  font-size: 16px;
  color: #4a5566;
  font-weight: 800;
  line-height: 1.6;
}

.tas-modal-text p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--muted);
}

/* Responsive */
@media (max-width: 1200px) {
  .tas-people-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 980px) {
  .tas-committee-section {
    padding: 75px 24px;
  }

  .tas-people-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .tas-modal-content {
    grid-template-columns: 1fr;
  }

  .tas-modal-image {
    height: 320px;
  }

  .tas-modal-text {
    padding: 28px 24px 30px;
  }

  .tas-modal-text h3 {
    font-size: 28px;
  }
}

@media (max-width: 640px) {
  .tas-committee-section {
    padding: 65px 18px;
  }

  .tas-modal {
    padding: 12px;
  }

  .tas-banner {
    padding: 34px 16px;
  }
}
/* programme start here */

/* key dates */
.tas-dates {
  padding: 90px 8%;
  background:
    radial-gradient(
      circle at right top,
      rgba(154, 211, 217, 0.15),
      transparent 40%
    ),
    linear-gradient(180deg, #ffffff, #f6f9fc);
}

.tas-dates-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 50px;
}

.tas-dates-header h2 {
  font-size: clamp(28px, 3vw, 42px);
  margin: 10px 0;
}

.tas-dates-header p {
  font-size: 16px;
  color: #5b6270;
  line-height: 1.8;
}

.tas-dates-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 22px;
}

.tas-date-card {
  background: #fff;
  border-radius: 22px;
  padding: 26px 22px;
  border: 1px solid rgba(9, 133, 155, 0.1);
  box-shadow: 0 14px 30px rgba(18, 24, 38, 0.06);
  text-align: center;
  transition: 0.3s ease;
}

.tas-date-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 22px 45px rgba(9, 133, 155, 0.12);
}

.tas-date-card .date-icon {
  font-size: 28px;
  margin-bottom: 12px;
}

.tas-date-card h3 {
  font-size: 16px;
  font-weight: 900;
  margin-bottom: 8px;
  color: #121826;
}

.tas-date-card p {
  font-size: 14px;
  color: #5b6270;
  font-weight: 600;
}

/* Highlight Card */
.tas-date-card.highlight {
  background: linear-gradient(135deg, #9ad2d8, #6fbcc4);
  color: #fff;
  border: none;
}

.tas-date-card.highlight h3,
.tas-date-card.highlight p {
  color: #fff;
}

/* Responsive */
@media (max-width: 1000px) {
  .tas-dates-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .tas-dates-grid {
    grid-template-columns: 1fr;
  }
}
/* Registration */
.tas-registration {
  padding: 90px 8%;
  background: linear-gradient(180deg, #f8fbfd, #ffffff);
}

.tas-reg-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 50px;
}

.tas-reg-header h2 {
  font-size: clamp(28px, 3vw, 42px);
  margin: 10px 0;
}

.tas-reg-header p {
  color: #5b6270;
  line-height: 1.8;
}

/* TABLE */
.tas-reg-table-wrap {
  overflow-x: auto;
  margin-bottom: 30px;
}

.tas-reg-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(18, 24, 38, 0.08);
}

.tas-reg-table thead {
  background: #9ad2d8;
  color: #fff;
}

.tas-reg-table th {
  padding: 16px;
  text-align: left;
  font-size: 15px;
  font-weight: 800;
}

.tas-reg-table td {
  padding: 16px;
  border-bottom: 1px solid #eee;
  font-size: 14px;
}

.tas-reg-table td span {
  color: #6b7280;
  font-size: 13px;
  margin-left: 6px;
}

.highlight-row {
  background: rgba(154, 210, 216, 0.12);
  font-weight: 800;
}

/* NOTE */
.tas-reg-note {
  background: #eef7f8;
  padding: 18px 20px;
  border-radius: 14px;
  margin-bottom: 30px;
  font-size: 14px;
  color: #334155;
}

/* DETAILS */
.tas-reg-details {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.tas-reg-block {
  background: #fff;
  border-radius: 16px;
  padding: 22px;
  box-shadow: 0 10px 25px rgba(18, 24, 38, 0.06);
}

.tas-reg-block h4 {
  margin-bottom: 12px;
  font-size: 16px;
  font-weight: 900;
}

.tas-reg-block ul {
  padding-left: 18px;
}

.tas-reg-block li {
  margin-bottom: 10px;
  font-size: 14px;
  line-height: 1.7;
  color: #4b5563;
}

/* MOBILE */
@media (max-width: 768px) {
  .tas-reg-details {
    grid-template-columns: 1fr;
  }
}
/* ===== VENUE SECTION ===== */
.ltn__contact-message-area {
  padding: 80px 8%;
  background:
    radial-gradient(
      circle at top right,
      rgba(154, 211, 217, 0.18),
      transparent 40%
    ),
    linear-gradient(180deg, #ffffff, #f7fcfd);
}

/* TITLE */
.ltn__contact-message-area .section-title {
  font-weight: 900;
  color: #121826;
  letter-spacing: -0.02em;
}

/* IMAGE */
.ltn__contact-message-area img {
  width: 100%;
  border-radius: 18px;
  box-shadow: 0 20px 60px rgba(18, 24, 38, 0.12);
  border: none;
  transition: 0.4s ease;
}

.ltn__contact-message-area img:hover {
  transform: translateY(-6px) scale(1.01);
}

/* TEXT CONTENT */
.section-title-area-01 p {
  font-size: 15.5px;
  line-height: 1.9;
  color: #5b6270;
  margin-bottom: 14px;
}

/* SUB HEADING */
.ltn__contact-message-area h3.section-title {
  font-weight: 800;
  color: #0f2a44;
  margin-bottom: 10px;
}

/* LIST */
.ltn__contact-message-area ul {
  margin-top: 10px;
}

.ltn__contact-message-area ul li {
  font-size: 14.5px;
  line-height: 1.8;
  color: #4b5563;
  margin-bottom: 10px;
  position: relative;
  padding-left: 18px;
}

/* CUSTOM BULLET */
.ltn__contact-message-area ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #9ad2d8;
}

/* CARD FEEL (CONTENT BLOCK) */
.section-title-area-01 {
  background: #ffffff;
  padding: 22px;
  border-radius: 18px;
  box-shadow: 0 12px 30px rgba(18, 24, 38, 0.06);
  border: 1px solid rgba(9, 133, 155, 0.08);
}

/* SPACING FIX */
.ltn__contact-message-area .row {
  row-gap: 30px;
}

/* RESPONSIVE */
@media (max-width: 992px) {
  .ltn__contact-message-area {
    padding: 60px 6%;
  }

  .section-title-area-01 {
    padding: 18px;
  }
}

@media (max-width: 768px) {
  .ltn__contact-message-area {
    padding: 50px 5%;
  }

  .ltn__contact-message-area .section-title {
    font-size: 24px !important;
  }

  .ltn__contact-message-area h3.section-title {
    font-size: 18px !important;
  }
}
.tas-visa {
  padding: 90px 8%;
  background:
    radial-gradient(
      circle at left top,
      rgba(154, 211, 217, 0.18),
      transparent 40%
    ),
    linear-gradient(180deg, #ffffff, #f6fbfc);
}

.tas-visa-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 50px;
}

.tas-visa-header h2 {
  font-size: clamp(28px, 3vw, 42px);
  margin: 10px 0;
}

.tas-visa-header p {
  color: #5b6270;
  line-height: 1.8;
}

/* GRID */
.tas-visa-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 22px;
}

/* CARD */
.tas-visa-card {
  background: #fff;
  border-radius: 20px;
  padding: 24px;
  border: 1px solid rgba(9, 133, 155, 0.1);
  box-shadow: 0 14px 30px rgba(18, 24, 38, 0.06);
  transition: 0.3s ease;
}

.tas-visa-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 22px 45px rgba(9, 133, 155, 0.12);
}

.tas-visa-card h4 {
  font-size: 16px;
  font-weight: 900;
  margin-bottom: 10px;
  color: #121826;
}

.tas-visa-card p {
  font-size: 14px;
  line-height: 1.8;
  color: #5b6270;
}

/* RESPONSIVE */
@media (max-width: 1000px) {
  .tas-visa-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .tas-visa-grid {
    grid-template-columns: 1fr;
  }
}
.tas-resources {
  padding: 90px 8%;
  background:
    radial-gradient(
      circle at right top,
      rgba(154, 211, 217, 0.18),
      transparent 40%
    ),
    linear-gradient(180deg, #ffffff, #f7fcfd);
}

.tas-res-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 50px;
}

.tas-res-header h2 {
  font-size: clamp(28px, 3vw, 42px);
  margin: 10px 0;
}

.tas-res-header p {
  color: #5b6270;
  line-height: 1.8;
}

/* GRID */
.tas-res-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 320px));
  justify-content: center; /* centers the cards */
  gap: 24px;
}
/* CARD */
.tas-res-card {
  background: #fff;
  border-radius: 20px;
  padding: 24px;
  border: 1px solid rgba(9, 133, 155, 0.1);
  box-shadow: 0 14px 30px rgba(18, 24, 38, 0.06);
  transition: 0.3s ease;
  display: flex;
  flex-direction: column;
}

.tas-res-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 22px 45px rgba(9, 133, 155, 0.12);
}

.tas-res-card h3 {
  font-size: 18px;
  font-weight: 900;
  margin-bottom: 12px;
}

/* LIST */
.tas-res-card ul {
  padding-left: 18px;
  margin-bottom: 14px;
}

.tas-res-card li {

 
  padding: 14px;
  font-size: 14px;
  text-align: justify;
  line-height: 1.7;
  margin-bottom: 8px;
  color: #4b5563;
}


/* HIGHLIGHT BOX */
.tas-res-highlight {
  background: #eef7f8;
  padding: 14px;
  border-radius: 12px;
  margin-bottom: 12px;
  font-size: 14px;
}

/* NOTE */
.tas-res-note {
  font-size: 13px;
  color: #6b7280;
  margin-bottom: 14px;
}

/* BUTTON */
.tas-res-btn {
  margin-top: auto;
  display: inline-block;
  text-align: center;
  padding: 10px 14px;
  border-radius: 10px;
  background: linear-gradient(135deg, #9ad2d8, #6fbcc4);
  color: #fff;
  font-weight: 800;
  text-decoration: none;
  transition: 0.25s;
}

.tas-res-btn:hover {
  transform: translateY(-2px);
}

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

@media (max-width: 600px) {
  .tas-res-grid {
    grid-template-columns: 1fr;
  }
}
.tas-banner {
  background-color: #178ca1ba;
  /*background:*/
  /*  linear-gradient(rgba(10, 45, 64, 0.55), rgba(10, 45, 64, 0.55)),*/
  /*  url('assets/images/strip/Strip_1920x200 pxl (1).jpg') center/cover no-repeat;*/
  text-align: center;
  padding: 55px 20px;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.tas-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    rgba(14, 67, 94, 0.18),
    rgba(84, 161, 191, 0.1)
  );
  pointer-events: none;
}

.tas-banner .ibca-banner-inner {
  position: relative;
  z-index: 2;
}

.tas-banner .ibca-banner-title {
  margin: 0;
  font-size: 42px;
  line-height: 1.1;
  font-weight: 900;
  letter-spacing: 0.5px;
  color: #ffffff;
  text-transform: uppercase;
}

.tas-banner .ibca-banner-subtitle {
  margin: 12px 0 0;
  font-size: 17px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.92);
  font-weight: 500;
}

.tas-about-section {
  position: relative;
  padding: 90px 20px;
  background:
    radial-gradient(
      circle at top left,
      rgba(14, 67, 94, 0.08),
      transparent 28%
    ),
    radial-gradient(
      circle at bottom right,
      rgba(84, 161, 191, 0.12),
      transparent 30%
    ),
    linear-gradient(180deg, #f7fbfd 0%, #eef5f9 100%);
  overflow: hidden;
}

.tas-about-section::before {
  content: "";
  position: absolute;
  width: 340px;
  height: 340px;
  top: -120px;
  right: -100px;
  border-radius: 50%;
  background: rgba(14, 67, 94, 0.05);
  filter: blur(10px);
}

.tas-about-section::after {
  content: "";
  position: absolute;
  width: 260px;
  height: 260px;
  bottom: -80px;
  left: -70px;
  border-radius: 50%;
  background: rgba(84, 161, 191, 0.1);
  filter: blur(10px);
}

.tas-about-container {
  max-width: 1240px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.tas-about-content {
  position: relative;
}

.tas-section-tag {
  display: inline-block;
  margin-bottom: 18px;
  padding: 9px 16px;
  background: rgba(14, 67, 94, 0.08);
  color: #0e435e;
  border: 1px solid rgba(14, 67, 94, 0.08);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.tas-about-title {
  margin: 0 0 18px;
  font-size: 48px;
  line-height: 1.1;
  font-weight: 900;
  color: #10384d;
  letter-spacing: -0.6px;
}

.tas-about-title span {
  color: #1d7ba1;
}

.tas-lead {
  margin: 0 0 22px;
  font-size: 19px;
  line-height: 1.8;
  color: #355466;
  font-weight: 500;
  max-width: 95%;
}

.tas-about-text p {
  margin: 0 0 18px;
  font-size: 16px;
  line-height: 1.9;
  color: #556977;
}

.tas-about-text p:last-child {
  margin-bottom: 0;
}

.tas-impact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 34px;
}

.tas-impact-card {
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(14, 67, 94, 0.08);
  border-radius: 22px;
  padding: 24px 18px;
  text-align: center;
  box-shadow: 0 14px 36px rgba(14, 67, 94, 0.08);
  backdrop-filter: blur(8px);
  transition:
    transform 0.28s ease,
    box-shadow 0.28s ease,
    border-color 0.28s ease;
}

.tas-impact-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 22px 44px rgba(14, 67, 94, 0.14);
  border-color: rgba(84, 161, 191, 0.35);
}

.tas-impact-card h3 {
  margin: 0 0 8px;
  font-size: 34px;
  line-height: 1;
  font-weight: 900;
  color: #0e435e;
}

.tas-impact-card span {
  display: block;
  font-size: 14px;
  line-height: 1.6;
  color: #5c6f7d;
  font-weight: 600;
}

.tas-highlight-box {
  margin-top: 28px;
  padding: 20px 24px;
  border-left: 5px solid #1d7ba1;
  border-radius: 16px;
  background: linear-gradient(
    135deg,
    rgba(14, 67, 94, 0.08),
    rgba(84, 161, 191, 0.12)
  );
  color: #10384d;
  font-size: 17px;
  line-height: 1.8;
  font-weight: 700;
  box-shadow: 0 10px 28px rgba(14, 67, 94, 0.08);
}

.tas-about-visual {
  position: relative;
  min-height: 620px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tas-image-wrap {
  position: relative;
  width: 100%;
  max-width: 500px;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: 0 28px 70px rgba(14, 67, 94, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.5);
}

.tas-image-wrap img {
  width: 100%;
  height: 620px;
  object-fit: cover;
  display: block;
}

.tas-floating-card {
  position: absolute;
  max-width: 250px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(14, 67, 94, 0.08);
  border-radius: 20px;
  padding: 18px 18px 16px;
  box-shadow: 0 16px 42px rgba(14, 67, 94, 0.14);
  backdrop-filter: blur(10px);
}

.tas-floating-card strong {
  display: block;
  margin-bottom: 8px;
  font-size: 16px;
  line-height: 1.4;
  color: #0e435e;
  font-weight: 800;
}

.tas-floating-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: #5b6d79;
}

.tas-card-top {
  top: 50px;
  left: -30px;
}

.tas-card-bottom {
  right: -25px;
  bottom: 55px;
}

@media (max-width: 1199px) {
  .tas-about-container {
    gap: 40px;
  }

  .tas-about-title {
    font-size: 42px;
  }

  .tas-image-wrap img {
    height: 560px;
  }

  .tas-about-visual {
    min-height: 560px;
  }

  .tas-card-top {
    left: -10px;
  }

  .tas-card-bottom {
    right: -10px;
  }
}

@media (max-width: 991px) {
  .tas-banner {
    padding: 48px 18px;
  }

  .tas-banner .ibca-banner-title {
    font-size: 34px;
  }

  .tas-banner .ibca-banner-subtitle {
    font-size: 16px;
  }

  .tas-about-section {
    padding: 75px 18px;
  }

  .tas-about-container {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .tas-about-title {
    font-size: 38px;
  }

  .tas-lead {
    max-width: 100%;
  }

  .tas-about-visual {
    min-height: auto;
  }

  .tas-image-wrap {
    max-width: 100%;
  }

  .tas-image-wrap img {
    height: 500px;
  }

  .tas-floating-card {
    position: static;
    max-width: 100%;
    margin-top: 18px;
  }

  .tas-card-top,
  .tas-card-bottom {
    top: auto;
    left: auto;
    right: auto;
    bottom: auto;
  }
}

@media (max-width: 767px) {
  .tas-banner .ibca-banner-title {
    font-size: 28px;
  }

  .tas-banner .ibca-banner-subtitle {
    font-size: 15px;
  }

  .tas-about-section {
    padding: 60px 16px;
  }

  .tas-section-tag {
    font-size: 12px;
    padding: 8px 14px;
  }

  .tas-about-title {
    font-size: 30px;
  }

  .tas-lead {
    font-size: 17px;
    line-height: 1.75;
  }

  .tas-about-text p {
    font-size: 15px;
    line-height: 1.8;
  }

  .tas-impact-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .tas-impact-card {
    border-radius: 18px;
    padding: 20px 16px;
  }

  .tas-impact-card h3 {
    font-size: 30px;
  }

  .tas-highlight-box {
    padding: 18px 18px;
    font-size: 15px;
    line-height: 1.75;
    border-radius: 14px;
  }

  .tas-image-wrap {
    border-radius: 20px;
  }

  .tas-image-wrap img {
    height: 360px;
  }

  .tas-floating-card {
    border-radius: 16px;
    padding: 16px;
  }
}
.tas-abstracts-premium {
  --navy: #0d2746;
  --navy-deep: #081a2d;
  --teal: #0ea5a8;
  --sky: #38bdf8;
  --mint: #6ee7c8;
  --violet: #7c3aed;
  --rose: #f43f7c;
  --gold: #f59e0b;
  --ink: #122033;
  --text: #314155;
  --muted: #66778a;
  --line: rgba(255, 255, 255, 0.42);
  --white: #ffffff;

  position: relative;
  overflow: hidden;
  padding: 110px 20px;
  background:
    radial-gradient(
      circle at top left,
      rgba(124, 58, 237, 0.18),
      transparent 28%
    ),
    radial-gradient(
      circle at 100% 10%,
      rgba(56, 189, 248, 0.16),
      transparent 24%
    ),
    radial-gradient(
      circle at 50% 100%,
      rgba(245, 158, 11, 0.12),
      transparent 22%
    ),
    linear-gradient(135deg, #edf5ff 0%, #f7fbff 30%, #fcfdff 58%, #eefaf7 100%);
}

.tas-abstracts-premium .container {
  max-width: 1280px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.tas-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(18px);
  pointer-events: none;
  opacity: 0.8;
}

.tas-orb-1 {
  width: 320px;
  height: 320px;
  top: 60px;
  left: -120px;
  background: rgba(124, 58, 237, 0.15);
}

.tas-orb-2 {
  width: 260px;
  height: 260px;
  right: -60px;
  top: 180px;
  background: rgba(56, 189, 248, 0.18);
}

.tas-orb-3 {
  width: 280px;
  height: 280px;
  left: 50%;
  bottom: -120px;
  transform: translateX(-50%);
  background: rgba(245, 158, 11, 0.14);
}

.tas-grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.15) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.12) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0));
  pointer-events: none;
  opacity: 0.35;
}

/* header */
.tas-abstracts-header {
  text-align: center;
  max-width: 900px;
  margin: 0 auto 72px;
}

.tas-abstracts-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.65);
  box-shadow: 0 10px 30px rgba(13, 39, 70, 0.08);
  backdrop-filter: blur(14px);
  color: var(--navy);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.tas-abstracts-header h2 {
  margin: 0 0 18px;
  font-size: 58px;
  line-height: 1.04;
  font-weight: 900;
  letter-spacing: -1.6px;
  color: var(--navy-deep);
}

.tas-abstracts-header p {
  margin: 0 auto;
  max-width: 760px;
  font-size: 18px;
  line-height: 1.85;
  color: var(--muted);
}

/* section title */
.tas-section-title-wrap {
  margin-bottom: 30px;
}

.tas-mini-kicker {
  display: inline-block;
  margin-bottom: 10px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--teal);
}

.tas-section-title {
  margin: 0 0 10px;
  font-size: 32px;
  line-height: 1.2;
  font-weight: 900;
  color: var(--navy-deep);
  letter-spacing: -0.5px;
}

.tas-section-title-wrap p {
  margin: 0;
  max-width: 760px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
}

/* track grid */
.tas-track-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-bottom: 38px;
}

.tas-track-card {
  position: relative;
  padding: 30px 28px 28px;
  border-radius: 30px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid var(--line);
  box-shadow:
    0 18px 55px rgba(8, 26, 45, 0.09),
    inset 0 1px 0 rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(18px);
  transition:
    transform 0.35s ease,
    box-shadow 0.35s ease,
    border-color 0.35s ease;
  isolation: isolate;
}

.tas-track-card:hover {
  transform: translateY(-10px);
  box-shadow:
    0 24px 65px rgba(8, 26, 45, 0.14),
    inset 0 1px 0 rgba(255, 255, 255, 0.85);
  border-color: rgba(255, 255, 255, 0.85);
}

.tas-track-card::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 1;
  z-index: 0;
}

.tas-track-accent {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 5px;
  z-index: 2;
}

.tas-card-1::before {
  background: linear-gradient(
    145deg,
    rgba(124, 58, 237, 0.12),
    rgba(56, 189, 248, 0.05)
  );
}
.tas-card-1 .tas-track-accent {
  background: linear-gradient(90deg, #7c3aed, #38bdf8);
}

.tas-card-2::before {
  background: linear-gradient(
    145deg,
    rgba(244, 63, 124, 0.12),
    rgba(245, 158, 11, 0.07)
  );
}
.tas-card-2 .tas-track-accent {
  background: linear-gradient(90deg, #f43f7c, #f59e0b);
}

.tas-card-3::before {
  background: linear-gradient(
    145deg,
    rgba(14, 165, 168, 0.13),
    rgba(110, 231, 200, 0.08)
  );
}
.tas-card-3 .tas-track-accent {
  background: linear-gradient(90deg, #0ea5a8, #6ee7c8);
}

.tas-card-4::before {
  background: linear-gradient(
    145deg,
    rgba(13, 39, 70, 0.1),
    rgba(56, 189, 248, 0.09)
  );
}
.tas-card-4 .tas-track-accent {
  background: linear-gradient(90deg, #0d2746, #38bdf8);
}

.tas-card-5::before {
  background: linear-gradient(
    145deg,
    rgba(245, 158, 11, 0.13),
    rgba(124, 58, 237, 0.08)
  );
}
.tas-card-5 .tas-track-accent {
  background: linear-gradient(90deg, #f59e0b, #7c3aed);
}

.tas-track-top,
.tas-track-card h4,
.tas-track-sub,
.tas-track-card ul {
  position: relative;
  z-index: 2;
}

.tas-track-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.tas-track-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: 0 8px 24px rgba(8, 26, 45, 0.06);
  color: var(--navy);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.9px;
  text-transform: uppercase;
}

.tas-track-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(255, 255, 255, 0.7);
  font-size: 13px;
  box-shadow: 0 8px 20px rgba(8, 26, 45, 0.05);
}

.tas-card-1 .tas-track-icon {
  color: var(--violet);
}
.tas-card-2 .tas-track-icon {
  color: var(--rose);
}
.tas-card-3 .tas-track-icon {
  color: var(--teal);
}
.tas-card-4 .tas-track-icon {
  color: var(--sky);
}
.tas-card-5 .tas-track-icon {
  color: var(--gold);
}

.tas-track-card h4 {
  margin: 0 0 10px;
  font-size: 25px;
  line-height: 1.24;
  font-weight: 900;
  color: var(--ink);
  letter-spacing: -0.3px;
}

.tas-track-sub {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.75;
  color: #5c6d7a;
  font-weight: 500;
}

.tas-track-card ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.tas-track-card ul li {
  position: relative;
  padding-left: 30px;
  margin-bottom: 13px;
  color: #405263;
  font-size: 15.5px;
  line-height: 1.75;
}

.tas-track-card ul li:last-child {
  margin-bottom: 0;
}

.tas-track-card ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  box-shadow: 0 0 0 5px rgba(255, 255, 255, 0.45);
}

.tas-card-1 ul li::before {
  background: var(--violet);
}
.tas-card-2 ul li::before {
  background: var(--rose);
}
.tas-card-3 ul li::before {
  background: var(--teal);
}
.tas-card-4 ul li::before {
  background: var(--sky);
}
.tas-card-5 ul li::before {
  background: var(--gold);
}

.tas-track-full {
  grid-column: 1 / -1;
}

/* info grid */
.tas-info-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.tas-info-box {
  position: relative;
  padding: 30px 28px;
  border-radius: 28px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.72);
  box-shadow:
    0 18px 55px rgba(8, 26, 45, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(16px);
  transition:
    transform 0.35s ease,
    box-shadow 0.35s ease;
}

.tas-info-box:hover {
  transform: translateY(-8px);
  box-shadow:
    0 24px 65px rgba(8, 26, 45, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.82);
}

.tas-info-head {
  margin-bottom: 16px;
}

.tas-info-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
  padding: 8px 14px;
  border-radius: 999px;
  background: linear-gradient(
    135deg,
    rgba(13, 39, 70, 0.08),
    rgba(56, 189, 248, 0.12)
  );
  color: var(--navy);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.9px;
  text-transform: uppercase;
}

.tas-info-head h3 {
  margin: 0;
  font-size: 25px;
  line-height: 1.25;
  font-weight: 900;
  color: var(--navy-deep);
  letter-spacing: -0.3px;
}

.tas-box-text {
  margin: 0 0 16px;
  color: #556777;
  font-size: 15.5px;
  line-height: 1.85;
}

.tas-info-box ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.tas-info-box ul li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 12px;
  color: #435565;
  font-size: 15.5px;
  line-height: 1.8;
}

.tas-info-box ul li:last-child {
  margin-bottom: 0;
}

.tas-info-box ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--teal), var(--sky));
  box-shadow: 0 0 0 5px rgba(14, 165, 168, 0.1);
}

.tas-format-strip {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 18px;
}

.tas-format-item {
  position: relative;
  padding: 18px 18px;
  border-radius: 20px;
  background: linear-gradient(
    145deg,
    rgba(124, 58, 237, 0.08),
    rgba(56, 189, 248, 0.09)
  );
  border: 1px solid rgba(13, 39, 70, 0.06);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45);
}

.tas-format-item strong {
  display: block;
  margin-bottom: 6px;
  font-size: 16px;
  color: var(--navy);
  font-weight: 800;
}

.tas-format-item span {
  display: block;
  font-size: 14px;
  color: #596a78;
  line-height: 1.65;
}

/* responsive */
@media (max-width: 991px) {
  .tas-abstracts-premium {
    padding: 85px 18px;
  }

  .tas-abstracts-header {
    margin-bottom: 56px;
  }

  .tas-abstracts-header h2 {
    font-size: 42px;
  }

  .tas-track-grid,
  .tas-info-grid {
    grid-template-columns: 1fr;
  }

  .tas-track-full {
    grid-column: auto;
  }
}

@media (max-width: 767px) {
  .tas-abstracts-premium {
    padding: 64px 16px;
  }

  .tas-abstracts-header {
    margin-bottom: 44px;
  }

  .tas-abstracts-header h2 {
    font-size: 31px;
    line-height: 1.12;
    letter-spacing: -0.8px;
  }

  .tas-abstracts-header p {
    font-size: 15px;
    line-height: 1.75;
  }

  .tas-section-title {
    font-size: 25px;
  }

  .tas-section-title-wrap p {
    font-size: 15px;
  }

  .tas-track-card,
  .tas-info-box {
    padding: 22px 18px;
    border-radius: 22px;
  }

  .tas-track-card h4 {
    font-size: 21px;
  }

  .tas-track-sub,
  .tas-track-card ul li,
  .tas-box-text,
  .tas-info-box ul li {
    font-size: 14.5px;
  }

  .tas-info-head h3 {
    font-size: 21px;
  }

  .tas-format-strip {
    grid-template-columns: 1fr;
  }

  .tas-track-icon {
    width: 36px;
    height: 36px;
  }
}
.tas-contact-premium {
  --navy: #0d2746;
  --navy-deep: #081a2d;
  --teal: #0ea5a8;
  --sky: #38bdf8;
  --violet: #7c3aed;
  --gold: #f59e0b;
  --ink: #122033;
  --text: #3d4f61;
  --muted: #6a7a8c;
  --white: #ffffff;

  position: relative;
  overflow: hidden;
  padding: 110px 20px;
  background:
    radial-gradient(circle at 0% 0%, rgba(124, 58, 237, 0.12), transparent 26%),
    radial-gradient(
      circle at 100% 20%,
      rgba(56, 189, 248, 0.14),
      transparent 24%
    ),
    linear-gradient(135deg, #f4f8ff 0%, #fcfeff 45%, #eef9f7 100%);
}

.tas-contact-premium .container {
  max-width: 1280px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.tas-contact-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(18px);
  pointer-events: none;
}

.tas-contact-orb-1 {
  width: 280px;
  height: 280px;
  top: 40px;
  left: -90px;
  background: rgba(124, 58, 237, 0.12);
}

.tas-contact-orb-2 {
  width: 260px;
  height: 260px;
  right: -80px;
  bottom: 30px;
  background: rgba(56, 189, 248, 0.14);
}

.tas-contact-header {
  text-align: center;
  max-width: 860px;
  margin: 0 auto 60px;
}

.tas-contact-badge {
  display: inline-block;
  padding: 10px 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: 0 10px 28px rgba(13, 39, 70, 0.08);
  color: var(--navy);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 18px;
}

.tas-contact-header h2 {
  margin: 0 0 16px;
  font-size: 52px;
  line-height: 1.06;
  font-weight: 900;
  letter-spacing: -1px;
  color: var(--navy-deep);
}

.tas-contact-header p {
  margin: 0;
  font-size: 18px;
  line-height: 1.8;
  color: var(--muted);
}

.tas-contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 28px;
  align-items: start;
}

.tas-contact-info-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}

.tas-contact-card {
  position: relative;
  padding: 26px 24px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.72);
  box-shadow:
    0 16px 45px rgba(8, 26, 45, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(14px);
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease;
}

.tas-contact-card:hover {
  transform: translateY(-8px);
  box-shadow:
    0 22px 55px rgba(8, 26, 45, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.85);
}

.tas-contact-label {
  display: inline-block;
  margin-bottom: 12px;
  padding: 7px 12px;
  border-radius: 999px;
  background: linear-gradient(
    135deg,
    rgba(13, 39, 70, 0.08),
    rgba(56, 189, 248, 0.12)
  );
  color: var(--navy);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.8px;
  text-transform: uppercase;
}

.tas-contact-card h3 {
  margin: 0 0 10px;
  font-size: 22px;
  line-height: 1.25;
  font-weight: 900;
  color: var(--ink);
}

.tas-contact-card p {
  margin: 0 0 14px;
  color: var(--text);
  font-size: 15px;
  line-height: 1.75;
}

.tas-contact-card a {
  display: inline-block;
  color: var(--teal);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  word-break: break-word;
}

.tas-contact-card a:hover {
  color: var(--navy);
}

.tas-contact-text {
  display: block;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.tas-contact-form-card {
  position: relative;
  padding: 34px 30px;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.72);
  box-shadow:
    0 18px 55px rgba(8, 26, 45, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(16px);
}

.tas-contact-form-pill {
  display: inline-block;
  margin-bottom: 12px;
  padding: 8px 14px;
  border-radius: 999px;
  background: linear-gradient(
    135deg,
    rgba(124, 58, 237, 0.1),
    rgba(56, 189, 248, 0.1)
  );
  color: var(--navy);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.9px;
}

.tas-contact-form-card h3 {
  margin: 0 0 22px;
  font-size: 28px;
  font-weight: 900;
  color: var(--navy-deep);
}

.tas-contact-form {
  display: block;
}

.tas-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.tas-form-group {
  display: flex;
  flex-direction: column;
}

.tas-form-group label {
  margin-bottom: 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--navy);
}

.tas-form-group input,
.tas-form-group textarea {
  width: 100%;
  border: none;
  outline: none;
  border-radius: 16px;
  padding: 15px 16px;
  background: #f8fbff;
  border: 1px solid rgba(13, 39, 70, 0.08);
  font-size: 15px;
  color: var(--ink);
  transition:
    border-color 0.3s ease,
    box-shadow 0.3s ease,
    background 0.3s ease;
}

.tas-form-group input:focus,
.tas-form-group textarea:focus {
  border-color: rgba(14, 165, 168, 0.4);
  box-shadow: 0 0 0 4px rgba(14, 165, 168, 0.1);
  background: #ffffff;
}

.tas-form-group textarea {
  resize: vertical;
  min-height: 150px;
}

.tas-contact-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 8px;
  padding: 15px 28px;
  border: none;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--navy), var(--teal));
  color: #fff;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.3px;
  cursor: pointer;
  box-shadow: 0 16px 34px rgba(13, 39, 70, 0.18);
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease;
}

.tas-contact-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 40px rgba(13, 39, 70, 0.22);
}

@media (max-width: 991px) {
  .tas-contact-premium {
    padding: 85px 18px;
  }

  .tas-contact-header h2 {
    font-size: 40px;
  }

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

  .tas-contact-info-wrap {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 767px) {
  .tas-contact-premium {
    padding: 64px 16px;
  }

  .tas-contact-header {
    margin-bottom: 42px;
  }

  .tas-contact-header h2 {
    font-size: 30px;
    line-height: 1.12;
  }

  .tas-contact-header p {
    font-size: 15px;
    line-height: 1.75;
  }

  .tas-contact-info-wrap,
  .tas-form-row {
    grid-template-columns: 1fr;
  }

  .tas-contact-card,
  .tas-contact-form-card {
    padding: 22px 18px;
    border-radius: 22px;
  }

  .tas-contact-card h3 {
    font-size: 20px;
  }

  .tas-contact-form-card h3 {
    font-size: 24px;
  }
}
.tas-map-wrap {
  margin: 16px 0 12px;
  overflow: hidden;
  border-radius: 18px;
}

.tas-map-link {
  display: inline-block;
  font-size: 14px;
  font-weight: 700;
  color: #0ea5a8;
  text-decoration: none;
  margin-top: 6px;
}

.tas-map-link:hover {
  color: #0d2746;
}