* {
  box-sizing: border-box
}

html {
  scroll-behavior: smooth
}

body {
  margin: 0;
  font-family: Poppins, Arial, sans-serif;
  background: #f5f8fc;
  color: #06183a
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: #fff;
  box-shadow: 0 8px 30px rgba(5, 22, 54, .08)
}

.logo-row {
  min-height: 8px;
  display: flex;
  align-items: center;
  justify-content: space-around;
  gap: 34px;
  padding: 8px 5vw;
  border-bottom: 1px solid #e7eef7
}

.logo-link {
  display: flex;
  align-items: center;
  justify-content: center
}

.logo-link img {
  display: block;
  max-width: 100%;
  object-fit: contain
}

.ida-logo {
  width: 270px
}

.ida-logo img {
  max-height: 55px
}

.aisds-logo {
  width: 260px
}

.aisds-logo img {
  max-height: 60px;
}

.iasd-logo {
  width: 235px
}

.iasd-logo img {
  max-height: 60px
}

.nav {
  display: flex;
  gap: 22px;
  align-items: center;
  justify-content: center;
  padding: 4px 18px;
  font-size: 12px;
  font-weight: 700;
  flex-wrap: wrap
}

.btn {
  display: inline-block;
  background: #f6b400;
  color: #06183a;
  padding: 10px 28px;
  border-radius: 999px;
  font-weight: 700;
  text-transform: uppercase;
  box-shadow: 0 12px 30px rgba(246, 180, 0, .25)
}

@media(max-width:767px) {
  .btn {
  padding: 8px 22px;
  font-size: 12px;
}
}

.btn.small {
  padding: 7px 16px
}

.btn.outline {
  background: transparent;
  color: #fff;
  border: 2px solid #fff
}

.hero {
  min-height: 605px;
  position: relative;
  background-color: #06183a;
  border-bottom: 1px solid #243452;
  /* background-image: url('assets/AISDS-27.jpeg'); */
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: #06183a;
  opacity: .82
}

.hero-content {
  position: relative;
  max-width: 1120px;
  margin: auto;
  padding: 50px 28px;
  color: #fff
}

.eyebrow {
  display: inline-block;
  background: #0b346a;
  border: 1px solid rgba(255, 255, 255, .25);
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 600;
  margin-bottom: 22px
}
@media(max-width:767px) {
  .eyebrow {
  font-size: 12px;
}
}

.hero h1 {
  font-size: 53px;
  line-height: 1.2;
  margin: 0 0 22px;
  font-weight: 700;
  max-width: 980px
}

.hero p {
  font-size: 20px;
  line-height: 1.45;
  max-width: 870px
}

.hero-actions {
  display: flex;
  gap: 18px;
  margin: 34px 0
}

.info-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  max-width: 980px;
  margin-top: 45px
}

.info-strip div {
  background: #17315e;
  border: 1px solid rgba(255, 255, 255, .22);
  padding: 22px;
  border-radius: 18px
}

.info-strip strong,
.info-strip span {
  display: block
}

.info-strip strong {
  color: #f6b400;
  margin-bottom: 6px
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  background: #06183a;
  color: #fff;
  text-align: center
}

.stats div {
  padding: 15px;
  border-right: 1px solid rgba(255, 255, 255, .12)
}

.stats strong {
  display: block;
  font-size: 30px;
  color: #00aeef
}

.section {
  padding: 60px 7vw
}

.section h2 {
  text-align: center;
  font-size: 42px;
  line-height: 1.1;
  margin: 0 0 18px;
  font-weight: 900;
  color: #06183a
}

.section p {
  font-size: 18px;
  line-height: 1.75;
  color: #34405a
}
@media(max-width:767px) {
  .section p {
  font-size: 13px;
}
}

.section-intro {
  max-width: 760px;
  margin: auto auto 38px;
  text-align: center
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 55px;
  align-items: center
}

.visual-card {
  border-radius: 28px;
  overflow: hidden;
  box-shadow: 0 24px 70px rgba(6, 24, 58, .18);
  background: #fff
}

.visual-card img {
  width: 100%;
  display: block
}

.dark {
  background: #06183a;
  color: #fff;
  text-align: center
}

.dark h2,
.dark p {
  color: #fff
}

.roadmap {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 45px
}

.roadmap div {
  background: #00aeef;
  padding: 34px 18px;
  border-radius: 22px;
  color: #fff;
  font-weight: 700;
  font-size: 22px
}

@media(max-width:767px) {
  .roadmap {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-top: 30px
  }

  .roadmap div {
    padding: 22px 14px;
    font-size: 18px
  }
}

.roadmap span {
  font-size: 13px;
  color: #e6f7ff
}

.sports-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px
}

.sports-grid article {
  background: #fff;
  border-radius: 22px;
  padding: 10px 20px;
  min-height: 120px;
  box-shadow: 0 14px 45px rgba(6, 24, 58, .08);
  border: 1px solid #e8eff8;
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: center;
}

.sports-grid article>i {
  display: block;
  font-size: 38px;
  line-height: 1;
  color: #00aeef
}

.sports-grid h3 {
  font-size: 15px;
  margin: 16px 0 0
}

@media(max-width:767px) {
  .sports-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px
  }

  .sports-grid article {
    min-height: 100px;
    padding: 8px 14px
  }

  .sports-grid article>i {
    font-size: 28px;
    margin-bottom: 6px
  }

  .sports-grid h3 {
    font-size: 13px;
    margin-top: 8px
  }
}

.science {
  background: #eef7ff
}

.pill-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px
}

.pill-grid span {
  background: #fff;
  border: 1px solid #cceaff;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 800;
  color: #0b346a
}

.trophy {
  text-align: center;
  background: #fff
}

.trophy-icon {
  font-size: 120px;
  line-height: 1;
  color: #f6b400
}

.trophy p {
  max-width: 760px;
  margin: 0 auto 30px
}

.accommodation {
  background: #071d49;
  color: #fff;
  text-align: center
}

.accommodation h2 {
  color: #fff
}

.price-card {
  max-width: 560px;
  margin: auto;
  background: #fff;
  color: #06183a;
  border-radius: 28px;
  padding: 45px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, .22)
}

.price-card strong {
  display: block;
  font-size: 72px;
  color: #00aeef
}

.price-card span {
  font-weight: 900
}

.registration-frame-section {
  background: #fff;
  padding: 0
}

.registration-frame {
  display: block;
  width: 100%;
  height: 1100px;
  border: 0;
  background: #fff
}

.contact {
  background: #06183a;
  color: #fff;
  text-align: center
}

.contact h2 {
  color: #fff
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  text-align: left
}

.contact-grid div {
  background: #17315e;
  padding: 30px;
  border-radius: 22px
}

.contact-grid strong,
.contact-grid span,
.contact-grid a {
  display: block
}

.contact-grid strong {
  font-size: 20px;
  color: #f6b400
}

.contact-grid a {
  color: #00aeef;
  margin-top: 12px
}

footer {
  text-align: center;
  background: #020b1c;
  color: #fff;
  padding: 36px 20px
}

.footer-social {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin: 26px 0 10px
}

.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #17315e;
  border: 1px solid rgba(255, 255, 255, .18);
  color: #fff;
  transition: background .25s ease, transform .25s ease
}

.footer-social a:hover {
  background: #00aeef;
  transform: translateY(-3px)
}

.footer-social svg {
  width: 20px;
  height: 20px
}

.footer-copy {
  margin-top: 18px;
  font-size: 13px;
  color: rgba(255, 255, 255, .6)
}

@media(max-width:560px) {
  .footer-social {
    gap: 12px
  }

  .footer-social a {
    width: 40px;
    height: 40px
  }
}

.registration-page {
  background: #f5f8fc
}

.registration-page-header {
  position: sticky;
  top: 0;
  z-index: 5;
  background: #fff;
  box-shadow: 0 6px 24px rgba(5, 22, 54, .09);
  padding: 12px 4vw
}

.registration-back {
  display: inline-block;
  margin-bottom: 10px;
  font-size: 14px;
  font-weight: 700;
  color: #0b346a
}

.registration-page-logos {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px
}

.registration-page-logos img {
  display: block;
  max-width: 30%;
  height: 70px;
  object-fit: contain
}

.registration-page-main {
  background: #fff
}

.registration-page-main .registration-frame {
  min-height: calc(100vh - 120px)
}

@media(max-width:900px) {
  .logo-row {
    min-height: 80px;
    gap: 16px;
    padding: 8px 18px
  }

  .ida-logo,
  .aisds-logo,
  .iasd-logo {
    width: 33.333%
  }

  .ida-logo img,
  .aisds-logo img,
  .iasd-logo img {
    max-height: 60px
  }

  .hero h1 {
    font-size: 42px
  }

  .hero p {
    font-size: 13px
  }

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

  .info-strip,
  .stats,
  .roadmap,
  .sports-grid {
    grid-template-columns: 2fr 2fr;
  }

  .nav {
    font-size: 12px;
    gap: 12px
  }

  .section {
    padding: 65px 24px
  }

  .section h2 {
    font-size: 34px
  }

  .registration-frame {
    height: 1250px
  }

  .registration-page-logos {
    gap: 12px
  }

  .registration-page-logos img {
    height: 50px
  }
}

@media(max-width:560px) {
  .logo-row {
    gap: 8px
  }

  .hero {
    min-height: 680px
  }

  .hero-content {
    padding: 90px 20px 25px;
  }

  .hero h1 {
    font-size: 23px
  }

  .hero-actions {
    /* flex-direction: column; */
    align-items: flex-start;
    gap: 9px;
  }

  .registration-frame {
    height: 1450px
  }
}


.menu-toggle,
.menu-overlay {
  display: none
}

.registration-frame-heading {
  padding: 58px 24px 28px;
  text-align: center;
  background: #fff
}

.registration-frame-heading h2,
.registration-frame-heading h1 {
  margin: 0;
  color: #06183a;
  font-size: 44px;
  line-height: 1.1;
  font-weight: 900
}

.registration-page-title {
  padding-top: 44px
}

@media(max-width:900px) {
  body.menu-open {
    overflow: hidden
  }

  .site-header {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
  }

  .logo-row {
    grid-column: 1/2;
    justify-content: flex-start;
    width: 100%;
    overflow: hidden
  }

  .menu-toggle {
    display: inline-flex;
    grid-column: 2/3;
    grid-row: 1/2;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    margin-right: 18px;
    border: 0;
    border-radius: 12px;
    background: #06183a;
    color: #fff;
    font-size: 27px;
    cursor: pointer;
    z-index: 13
  }

  .nav {
    position: fixed;
    top: 0;
    right: 0;
    z-index: 12;
    width: min(84vw, 360px);
    height: 100vh;
    padding: 95px 24px 32px;
    background: #fff;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    flex-wrap: nowrap;
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform .3s ease;
    box-shadow: -18px 0 45px rgba(5, 22, 54, .18)
  }

  .nav a {
    display: block;
    padding: 14px 4px;
    border-bottom: 1px solid #e7eef7;
    font-size: 14px
  }

  .nav .btn.small {
    margin-top: 18px;
    text-align: center;
    border-bottom: 0
  }

  .menu-overlay {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 11;
    background: rgba(2, 11, 28, .56);
    opacity: 0;
    visibility: hidden;
    transition: opacity .3s ease, visibility .3s ease
  }

  .menu-open .nav {
    transform: translateX(0)
  }

  .menu-open .menu-overlay {
    opacity: 1;
    visibility: visible
  }

  .registration-frame-heading {
    padding: 44px 20px 22px
  }

  .registration-frame-heading h2,
  .registration-frame-heading h1 {
    font-size: 34px
  }
}

@media(max-width:560px) {
  .site-header {
    min-height: 74px
  }

  .logo-row {
    min-height: 74px;
    padding: 8px 8px 8px 12px
  }

  .menu-toggle {
    width: 42px;
    height: 42px;
    margin-right: 12px
  }

  .nav {
    width: min(88vw, 340px);
    padding-top: 82px
  }

  .registration-frame-heading {
    padding: 36px 18px 18px
  }

  .registration-frame-heading h2,
  .registration-frame-heading h1 {
    font-size: 30px
  }
}


.sticky-countdown {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: #0b1d3a;
  color: #fff;
  z-index: 999;
  padding: 0.6rem 1rem;
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.25);
}

.countdown-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.countdown-label {
  font-weight: 600;
  font-size: 0.9rem;
  white-space: nowrap;
}

.countdown-timer {
  display: flex;
  gap: 0.5rem;
}

.time-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  padding: 0.25rem 0.6rem;
  min-width: 42px;
}

.time-block span {
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1;
}

.time-block small {
  font-size: 0.6rem;
  text-transform: uppercase;
  opacity: 0.75;
}

.countdown-cta {
  white-space: nowrap;
}

body {
  padding-bottom: 60px;
}

@media (max-width: 600px) {
  .countdown-label {
    display: none;
  }
  .time-block {
    min-width: 34px;
    padding: 0.2rem 0.4rem;
  }
}

/* Responsive refinements */
@media (max-width: 900px) {
  html,
  body {
    max-width: 100%;
    overflow-x: hidden;
  }

  .hero-content,
  .section,
  footer {
    width: 100%;
  }

  .calendar {
    padding-left: 16px;
    padding-right: 16px;
  }

  .calendar-container {
    width: 100%;
    max-width: 100%;
    overflow: hidden;
  }

  .calendar-grid {
    grid-template-columns: repeat(7, minmax(110px, 1fr));
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
  }

  .calendar-header {
    min-width: 110px;
    position: sticky;
    top: 0;
    z-index: 2;
  }

  .calendar-cell {
    min-width: 110px;
    min-height: 110px;
  }

  .event-item {
    align-items: flex-start;
    font-size: 11px;
    line-height: 1.25;
  }

  .event-item .icon {
    flex: 0 0 auto;
  }

  .schedule-grid {
    grid-template-columns: 1fr !important;
    gap: 0 !important;
    padding: 10px 12px !important;
  }

  /* .schedule-grid > div {
    min-width: 0;
  } */

  .schedule-item {
    width: 100%;
    gap: 6px;
    flex-wrap: nowrap;
  }

  .item-name {
    min-width: 0;
  }

  .item-date {
    flex: 0 0 auto;
    white-space: nowrap;
  }

  .schedule-bottom-row {
    display: grid !important;
    grid-template-columns: 1fr;
    gap: 4px;
    padding: 8px 12px;
  }

  .schedule-bottom-row .schedule-item {
    width: 100% !important;
  }

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

  .contact-grid div {
    width: 100%;
    min-width: 0;
  }

  .contact-grid a {
    overflow-wrap: anywhere;
  }

  .contact-helpline {
    grid-column: 1 / -1;
  }
}

@media (max-width: 560px) {
  .section {
    padding: 44px 16px;
  }

  .section h2 {
    font-size: 23px;
  }

  .calendar {
    padding-left: 10px;
    padding-right: 10px;
  }

  .calendar-container {
    border-radius: 10px;
  }

  .calendar-grid {
    grid-template-columns: repeat(7, minmax(96px, 1fr));
  }

  .calendar-header,
  .calendar-cell {
    min-width: 96px;
  }

  .calendar-header {
    font-size: 11px;
    padding: 7px 2px;
  }

  .calendar-cell {
    min-height: 105px;
    padding: 5px;
  }

  .date-num {
    font-size: 13px;
  }

  .event-item {
    gap: 4px;
    font-size: 10px;
  }

  .icon {
    width: 15px;
    height: 15px;
  }

  .schedule-header {
    font-size: 11px;
    padding: 7px 4px;
  }

  .schedule-item {
    align-items: flex-start;
    font-size: 11px;
    padding: 6px 0;
  }

  .schedule-icon {
    width: 15px;
    height: 15px;
    margin-right: 2px;
  }

  .item-num {
    width: 16px;
    flex: 0 0 16px;
  }

  .item-date {
    font-size: 10px;
  }

  .footer-banner {
    font-size: 9px;
    line-height: 1.5;
    letter-spacing: .8px;
    padding: 8px 6px;
  }

  .contact-grid {
    gap: 14px;
  }

  .contact-grid div {
    padding: 22px 18px;
    border-radius: 18px;
  }

  .contact-grid strong {
    font-size: 17px;
  }

  .contact-grid span,
  .contact-grid a {
    font-size: 13px;
  }

  /* .split,
  .info-strip,
  .stats,
  .roadmap,
  .sports-grid {
    grid-template-columns: 1fr;
  } */

  .stats div {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, .12);
  }

  .stats div:last-child {
    border-bottom: 0;
  }

  .info-strip {
    gap: 10px;
  }

  .info-strip div {
    padding: 16px;
  }

  .roadmap {
    gap: 12px;
  }

  .sports-grid {
    gap: 12px;
  }
}