:root {
  --blue-950: #03265e;
  --blue-900: #043a8c;
  --blue-700: #075bb8;
  --cyan-500: #07c6d8;
  --cyan-300: #48e0df;
  --pink-500: #ed0b92;
  --yellow-400: #ffbf10;
  --ink: #0f172a;
  --muted: #64748b;
  --line: #dbe4ef;
  --surface: #f4f8fc;
  --white: #ffffff;
  --shadow: 0 24px 70px rgb(4 58 140 / 14%);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: "Segoe UI", "Century Gothic", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

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

a {
  color: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  letter-spacing: -0.035em;
}

.container {
  width: min(1180px, calc(100% - 48px));
  margin-inline: auto;
}

.section {
  padding-block: clamp(84px, 9vw, 132px);
}

.site-header {
  position: fixed;
  z-index: 100;
  top: 18px;
  right: 0;
  left: 0;
  display: flex;
  width: min(1180px, calc(100% - 48px));
  min-height: 70px;
  margin-inline: auto;
  padding: 10px 12px 10px 20px;
  border: 1px solid rgb(255 255 255 / 45%);
  border-radius: 18px;
  background: rgb(255 255 255 / 90%);
  box-shadow: 0 14px 42px rgb(2 24 71 / 12%);
  backdrop-filter: blur(18px);
  align-items: center;
  justify-content: space-between;
  transition: top 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.site-header.is-scrolled {
  top: 8px;
  background: rgb(255 255 255 / 96%);
  box-shadow: 0 16px 44px rgb(2 24 71 / 18%);
}

.brand {
  display: inline-flex;
  color: var(--blue-900);
  align-items: center;
  gap: 9px;
  text-decoration: none;
}

.brand__symbol {
  display: grid;
  width: 38px;
  height: 38px;
  color: var(--white);
  border-radius: 11px 18px 11px 18px;
  background: linear-gradient(145deg, var(--cyan-500), var(--blue-700) 55%, var(--pink-500));
  font-size: 23px;
  font-weight: 900;
  place-items: center;
  transform: rotate(-5deg);
}

.brand__name {
  font-size: 25px;
  font-weight: 800;
  letter-spacing: -0.055em;
}

.brand__name span {
  color: var(--cyan-500);
}

.brand__years {
  padding: 5px 8px;
  color: var(--blue-700);
  border: 1px solid #cbe5ef;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 31px;
}

.site-nav > a:not(.button) {
  position: relative;
  color: #314158;
  font-size: 14px;
  font-weight: 650;
  text-decoration: none;
}

.site-nav > a:not(.button)::after {
  position: absolute;
  right: 0;
  bottom: -7px;
  left: 0;
  height: 2px;
  background: var(--cyan-500);
  content: "";
  transform: scaleX(0);
  transition: transform 180ms ease;
}

.site-nav > a:hover::after,
.site-nav > a:focus-visible::after {
  transform: scaleX(1);
}

.menu-button {
  position: relative;
  display: none;
  width: 46px;
  height: 46px;
  padding: 0;
  border: 0;
  border-radius: 13px;
  background: var(--surface);
  place-items: center;
}

.menu-button span {
  position: absolute;
  top: 50%;
  left: 13px;
  display: block;
  width: 20px;
  height: 2px;
  margin: 0;
  border-radius: 2px;
  background: var(--blue-900);
  transition: transform 180ms ease, opacity 180ms ease;
}

.menu-button span:nth-child(1) {
  transform: translateY(-7px);
}

.menu-button span:nth-child(3) {
  transform: translateY(7px);
}

.button {
  display: inline-flex;
  min-height: 54px;
  padding: 0 25px;
  border: 1px solid transparent;
  border-radius: 14px;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 800;
  text-decoration: none;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button--small {
  min-height: 46px;
  padding-inline: 19px;
  color: var(--white);
  border-radius: 12px;
  background: var(--blue-900);
  box-shadow: 0 9px 22px rgb(4 58 140 / 20%);
}

.button--light {
  color: var(--blue-950);
  background: var(--white);
  box-shadow: 0 16px 38px rgb(2 24 71 / 22%);
}

.button--primary {
  color: var(--white);
  background: linear-gradient(110deg, var(--blue-900), var(--blue-700));
  box-shadow: 0 14px 34px rgb(4 58 140 / 23%);
}

.hero {
  position: relative;
  min-height: 830px;
  overflow: hidden;
  color: var(--white);
  background:
    radial-gradient(circle at 70% 10%, rgb(7 198 216 / 30%), transparent 36%),
    linear-gradient(125deg, #03265e 0%, #0447a5 62%, #0669b7 100%);
}

.hero::before {
  position: absolute;
  top: -190px;
  right: -160px;
  width: 600px;
  height: 600px;
  border: 1px solid rgb(255 255 255 / 18%);
  border-radius: 50%;
  content: "";
}

.hero::after {
  position: absolute;
  bottom: -260px;
  left: -170px;
  width: 520px;
  height: 520px;
  border: 1px solid rgb(72 224 223 / 28%);
  border-radius: 50%;
  content: "";
}

.hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(2px);
}

.hero__glow--one {
  top: 170px;
  left: 45%;
  width: 120px;
  height: 120px;
  background: rgb(237 11 146 / 16%);
  box-shadow: 0 0 100px 50px rgb(237 11 146 / 10%);
}

.hero__glow--two {
  right: 2%;
  bottom: 5%;
  width: 200px;
  height: 200px;
  background: rgb(7 198 216 / 12%);
  box-shadow: 0 0 130px 65px rgb(7 198 216 / 9%);
}

.hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  min-height: 830px;
  padding-top: 130px;
  padding-bottom: 82px;
  grid-template-columns: 0.95fr 1.05fr;
  align-items: center;
  gap: clamp(42px, 7vw, 96px);
}

.eyebrow {
  display: flex;
  margin-bottom: 22px;
  color: rgb(255 255 255 / 74%);
  align-items: center;
  gap: 10px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow span {
  display: inline-block;
  width: 28px;
  height: 2px;
  background: var(--cyan-300);
}

.eyebrow--blue {
  color: var(--blue-700);
}

.eyebrow--blue span {
  background: var(--cyan-500);
}

.hero h1 {
  max-width: 630px;
  margin-bottom: 24px;
  font-size: clamp(50px, 5.4vw, 78px);
  font-weight: 350;
  line-height: 0.98;
}

.hero h1 strong {
  display: block;
  color: var(--cyan-300);
  font-weight: 850;
}

.hero__description {
  max-width: 600px;
  margin-bottom: 34px;
  color: rgb(255 255 255 / 75%);
  font-size: clamp(17px, 1.55vw, 21px);
  line-height: 1.65;
}

.hero__actions {
  display: flex;
  margin-bottom: 47px;
  align-items: center;
  gap: 27px;
}

.text-link {
  color: var(--white);
  font-size: 14px;
  font-weight: 750;
  text-decoration: none;
}

.text-link span {
  display: inline-block;
  margin-left: 8px;
  color: var(--cyan-300);
}

.event-meta {
  display: flex;
  gap: 35px;
}

.event-meta > div {
  display: flex;
  align-items: center;
  gap: 12px;
}

.event-meta__icon {
  display: grid;
  width: 42px;
  height: 42px;
  color: var(--cyan-300);
  border: 1px solid rgb(255 255 255 / 22%);
  border-radius: 12px;
  font-size: 15px;
  font-weight: 900;
  place-items: center;
}

.event-meta p {
  margin: 0;
}

.event-meta small,
.event-meta strong {
  display: block;
}

.event-meta small {
  margin-bottom: 3px;
  color: rgb(255 255 255 / 55%);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.event-meta strong {
  font-size: 14px;
}

.hero__visual {
  position: relative;
  padding-bottom: 42px;
}

.hero__photo-wrap {
  position: relative;
  overflow: hidden;
  border: 1px solid rgb(255 255 255 / 20%);
  border-radius: 32px 32px 100px 32px;
  box-shadow: 0 36px 80px rgb(1 22 63 / 36%);
}

.hero__photo-wrap::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 48%, rgb(2 24 71 / 55%));
  content: "";
}

.hero__photo-wrap > img {
  width: 100%;
  height: 515px;
  object-fit: cover;
  transition: transform 700ms ease;
}

.hero__photo-wrap:hover > img {
  transform: scale(1.025);
}

.hero__stamp {
  position: absolute;
  z-index: 2;
  top: 26px;
  right: 25px;
  display: flex;
  width: 128px;
  height: 128px;
  color: var(--blue-950);
  border-radius: 50%;
  background: var(--white);
  box-shadow: 0 18px 45px rgb(2 24 71 / 25%);
  align-items: center;
  justify-content: center;
  gap: 5px;
  transform: rotate(6deg);
}

.hero__stamp strong {
  color: var(--blue-700);
  font-size: 46px;
  letter-spacing: -0.08em;
  line-height: 1;
}

.hero__stamp span {
  color: var(--blue-900);
  font-size: 10px;
  font-weight: 850;
  line-height: 1.15;
  text-transform: uppercase;
}

.countdown {
  position: absolute;
  z-index: 3;
  right: 22px;
  bottom: 0;
  left: 22px;
  display: flex;
  min-height: 92px;
  padding: 16px 23px;
  color: var(--ink);
  border: 1px solid rgb(255 255 255 / 55%);
  border-radius: 20px;
  background: rgb(255 255 255 / 94%);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
  align-items: center;
  justify-content: space-between;
}

.countdown > p {
  max-width: 110px;
  margin: 0;
  color: var(--blue-900);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  line-height: 1.35;
  text-transform: uppercase;
}

.countdown__numbers {
  display: flex;
  gap: 20px;
}

.countdown__numbers span {
  position: relative;
  min-width: 48px;
  text-align: center;
}

.countdown__numbers span + span::before {
  position: absolute;
  top: 8px;
  left: -11px;
  color: #b7c4d2;
  content: ":";
  font-weight: 900;
}

.countdown__numbers strong,
.countdown__numbers small {
  display: block;
}

.countdown__numbers strong {
  color: var(--blue-900);
  font-size: 27px;
  line-height: 1;
}

.countdown__numbers small {
  margin-top: 5px;
  color: var(--muted);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.impact {
  position: relative;
  z-index: 4;
  color: var(--white);
  background: linear-gradient(100deg, var(--cyan-500), #08a6d3);
}

.impact__grid {
  display: grid;
  min-height: 150px;
  grid-template-columns: repeat(4, 1fr);
  align-items: center;
}

.impact article {
  position: relative;
  display: flex;
  padding: 28px;
  align-items: baseline;
  flex-direction: column;
}

.impact article + article::before {
  position: absolute;
  top: 24%;
  bottom: 24%;
  left: 0;
  width: 1px;
  background: rgb(255 255 255 / 28%);
  content: "";
}

.impact strong {
  font-size: clamp(28px, 3vw, 42px);
  letter-spacing: -0.05em;
}

.impact span {
  margin-top: 6px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.about {
  overflow: hidden;
}

.about__grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  align-items: center;
  gap: clamp(54px, 8vw, 105px);
}

.about__visual {
  position: relative;
  min-width: 0;
}

.about__visual::before {
  position: absolute;
  z-index: -1;
  top: -28px;
  left: -28px;
  width: 180px;
  height: 180px;
  border: 18px solid #e7f9fb;
  border-radius: 50%;
  content: "";
}

.about__main-photo {
  width: 100%;
  height: 500px;
  border-radius: 28px 90px 28px 28px;
  box-shadow: var(--shadow);
  object-fit: cover;
}

.about__floating-card {
  position: absolute;
  right: -34px;
  bottom: 36px;
  width: 230px;
  padding: 22px;
  border: 1px solid #d5eaf3;
  border-radius: 18px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.about__floating-card span {
  display: block;
  margin-bottom: 7px;
  color: var(--cyan-500);
  font-size: 11px;
  font-weight: 850;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.about__floating-card strong {
  color: var(--blue-950);
  font-size: 17px;
  line-height: 1.35;
}

.about__content h2,
.section-heading h2,
.experiences__intro h2,
.location h2,
.join h2 {
  margin-bottom: 23px;
  font-size: clamp(36px, 4vw, 55px);
  font-weight: 800;
  line-height: 1.08;
}

.about__content > p,
.section-heading > p:not(.eyebrow),
.location__content > p {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.75;
}

.about__content .button {
  margin-top: 14px;
}

.audience {
  padding-top: 92px;
  background: var(--surface);
}

.section-heading {
  max-width: 770px;
  margin-bottom: 54px;
}

.section-heading--center {
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.section-heading--center .eyebrow {
  justify-content: center;
}

.audience__list {
  display: flex;
  max-width: 1000px;
  margin: 0 auto;
  flex-wrap: wrap;
  justify-content: center;
  gap: 13px;
}

.audience__list span {
  position: relative;
  padding: 14px 22px 14px 43px;
  color: #304259;
  border: 1px solid #dbe6ef;
  border-radius: 999px;
  background: var(--white);
  box-shadow: 0 9px 25px rgb(4 58 140 / 6%);
  font-size: 14px;
  font-weight: 700;
}

.audience__list span::before {
  position: absolute;
  top: 50%;
  left: 17px;
  display: grid;
  width: 18px;
  height: 18px;
  color: var(--white);
  border-radius: 50%;
  background: var(--cyan-500);
  content: "✓";
  font-size: 11px;
  font-weight: 900;
  place-items: center;
  transform: translateY(-50%);
}

.experiences {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background: var(--blue-950);
}

.experiences::before {
  position: absolute;
  top: -260px;
  right: -250px;
  width: 620px;
  height: 620px;
  border: 1px solid rgb(72 224 223 / 18%);
  border-radius: 50%;
  content: "";
}

.experiences__intro {
  position: relative;
  display: grid;
  margin-bottom: 56px;
  grid-template-columns: 1.25fr 0.75fr;
  align-items: end;
  gap: 70px;
}

.experiences__intro h2 {
  margin-bottom: 0;
}

.experiences__intro > p {
  margin: 0;
  color: rgb(255 255 255 / 64%);
  font-size: 17px;
  line-height: 1.7;
}

.experiences__layout {
  position: relative;
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 22px;
}

.experiences__photo {
  position: relative;
  min-height: 530px;
  overflow: hidden;
  border-radius: 28px;
}

.experiences__photo::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgb(2 24 71 / 78%));
  content: "";
}

.experiences__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.experiences__photo > span {
  position: absolute;
  z-index: 2;
  right: 32px;
  bottom: 31px;
  left: 32px;
  font-size: 20px;
  font-weight: 800;
}

.experience-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.experience-cards article {
  position: relative;
  min-height: 250px;
  padding: 28px 25px;
  overflow: hidden;
  border: 1px solid rgb(255 255 255 / 10%);
  border-radius: 22px;
  background: rgb(255 255 255 / 6%);
  transition: border-color 180ms ease, background 180ms ease, transform 180ms ease;
}

.experience-cards article:hover {
  border-color: rgb(72 224 223 / 42%);
  background: rgb(255 255 255 / 10%);
  transform: translateY(-4px);
}

.card-number {
  display: block;
  margin-bottom: 47px;
  color: var(--cyan-300);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.15em;
}

.experience-cards h3 {
  margin-bottom: 10px;
  font-size: 21px;
}

.experience-cards p {
  margin: 0;
  color: rgb(255 255 255 / 60%);
  font-size: 13px;
  line-height: 1.6;
}

.topics {
  background: var(--white);
}

.topics__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.topics__grid article {
  min-height: 270px;
  padding: 25px;
  border: 1px solid var(--line);
  border-radius: 21px;
  background: var(--white);
  box-shadow: 0 14px 44px rgb(4 58 140 / 5%);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.topics__grid article:hover {
  border-color: #9fdfeb;
  box-shadow: 0 20px 50px rgb(4 58 140 / 11%);
  transform: translateY(-5px);
}

.topics__grid article > span {
  display: grid;
  width: 54px;
  height: 54px;
  margin-bottom: 42px;
  color: var(--blue-900);
  border-radius: 15px;
  background: linear-gradient(145deg, #dcfbfc, #e8f4ff);
  font-size: 18px;
  font-weight: 900;
  place-items: center;
}

.topics__grid h3 {
  margin-bottom: 11px;
  font-size: 19px;
  line-height: 1.2;
}

.topics__grid p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.region {
  position: relative;
  min-height: 490px;
  overflow: hidden;
  color: var(--white);
}

.region > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.region::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgb(3 38 94 / 93%) 0%, rgb(3 38 94 / 76%) 48%, rgb(3 38 94 / 20%) 100%);
  content: "";
}

.region__overlay {
  position: relative;
  z-index: 1;
  display: flex;
  min-height: 490px;
  align-items: center;
}

.region__overlay .container {
  margin-top: 10px;
}

.region h2 {
  max-width: 600px;
  margin-bottom: 18px;
  font-size: clamp(42px, 5vw, 66px);
  line-height: 1;
}

.region p:not(.eyebrow) {
  max-width: 510px;
  margin: 0;
  color: rgb(255 255 255 / 72%);
  font-size: 18px;
  line-height: 1.6;
}

.location {
  overflow: hidden;
  background: var(--surface);
}

.location__grid {
  display: grid;
  grid-template-columns: 0.86fr 1.14fr;
  align-items: center;
  gap: 84px;
}

.location__content > p {
  max-width: 520px;
}

.location__details {
  display: flex;
  margin-top: 38px;
  gap: 42px;
}

.location__details div {
  padding-left: 17px;
  border-left: 3px solid var(--cyan-500);
}

.location__details small,
.location__details strong {
  display: block;
}

.location__details small {
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.location__details strong {
  color: var(--blue-950);
  font-size: 15px;
}

.location__map {
  position: relative;
  max-width: 590px;
  margin-left: auto;
  padding: 18px;
  border: 1px solid #d9e9f1;
  border-radius: 50%;
  background: var(--white);
  box-shadow: var(--shadow);
}

.location__map::before {
  position: absolute;
  z-index: -1;
  right: -45px;
  bottom: -45px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: linear-gradient(145deg, var(--cyan-500), var(--blue-700));
  content: "";
  opacity: 0.14;
}

.location__map img {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 50%;
  object-fit: cover;
}

.location__pin {
  position: absolute;
  bottom: 52px;
  left: 28px;
  padding: 13px 17px;
  color: var(--white);
  border-radius: 12px;
  background: var(--blue-900);
  box-shadow: 0 12px 34px rgb(4 58 140 / 30%);
  font-size: 12px;
  font-weight: 850;
}

.join {
  position: relative;
  overflow: hidden;
  padding-block: 84px;
  color: var(--white);
  background: linear-gradient(110deg, var(--cyan-500), #05a6d2 65%, var(--blue-700));
}

.join::before {
  position: absolute;
  top: -190px;
  left: 37%;
  width: 420px;
  height: 420px;
  border: 1px solid rgb(255 255 255 / 22%);
  border-radius: 50%;
  content: "";
}

.join__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 90px;
}

.join h2 {
  max-width: 690px;
  margin-bottom: 0;
}

.join__action p {
  margin-bottom: 25px;
  color: rgb(255 255 255 / 82%);
  font-size: 17px;
  line-height: 1.65;
}

.partners {
  padding-block: 80px;
  background: var(--white);
}

.partners__title {
  margin-bottom: 46px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-align: center;
  text-transform: uppercase;
}

.partners__top {
  display: flex;
  margin-bottom: 34px;
  align-items: center;
  justify-content: space-between;
  gap: 55px;
}

.partners__top img:first-child {
  width: 58%;
}

.partners__top img:last-child {
  width: 34%;
}

.partners__sponsors {
  width: 69%;
  margin-bottom: 31px;
}

.partners__support {
  width: 100%;
}

.footer {
  color: rgb(255 255 255 / 65%);
  background: var(--blue-950);
}

.footer__content {
  display: flex;
  min-height: 118px;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.brand--footer .brand__name {
  color: var(--white);
}

.footer p {
  margin: 0;
  font-size: 13px;
}

.footer__content > a:last-child {
  color: var(--white);
  font-size: 14px;
  font-weight: 750;
  text-decoration: none;
}

.floating-contact {
  position: fixed;
  z-index: 90;
  right: 24px;
  bottom: 22px;
  display: flex;
  min-height: 52px;
  padding: 7px 17px 7px 7px;
  color: var(--blue-950);
  border: 1px solid #cde9e9;
  border-radius: 999px;
  background: rgb(255 255 255 / 95%);
  box-shadow: 0 16px 42px rgb(2 24 71 / 22%);
  backdrop-filter: blur(12px);
  align-items: center;
  gap: 9px;
  text-decoration: none;
}

.floating-contact > span {
  display: grid;
  width: 38px;
  height: 38px;
  color: var(--white);
  border-radius: 50%;
  background: #19c26d;
  font-size: 23px;
  font-weight: 400;
  place-items: center;
}

.floating-contact small {
  font-size: 11px;
  font-weight: 850;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 650ms ease, transform 650ms ease;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 1020px) {
  .site-nav {
    gap: 20px;
  }

  .hero__grid {
    grid-template-columns: 1fr 0.92fr;
    gap: 40px;
  }

  .hero__photo-wrap > img {
    height: 480px;
  }

  .about__grid,
  .experiences__layout,
  .location__grid {
    gap: 48px;
  }

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

@media (max-width: 820px) {
  html {
    scroll-padding-top: 78px;
  }

  .container,
  .site-header {
    width: min(100% - 32px, 680px);
  }

  .site-header {
    top: 10px;
    min-height: 64px;
  }

  .brand__years {
    display: none;
  }

  .menu-button {
    display: grid;
  }

  .menu-button[aria-expanded="true"] span:nth-child(1) {
    transform: rotate(45deg);
  }

  .menu-button[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
  }

  .menu-button[aria-expanded="true"] span:nth-child(3) {
    transform: rotate(-45deg);
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    left: 0;
    display: flex;
    padding: 18px;
    visibility: hidden;
    border: 1px solid #e2ebf2;
    border-radius: 18px;
    background: rgb(255 255 255 / 98%);
    box-shadow: 0 22px 54px rgb(2 24 71 / 20%);
    opacity: 0;
    align-items: stretch;
    flex-direction: column;
    gap: 0;
    transform: translateY(-8px);
    transition: opacity 180ms ease, transform 180ms ease, visibility 180ms ease;
  }

  .site-nav.is-open {
    visibility: visible;
    opacity: 1;
    transform: none;
  }

  .site-nav > a:not(.button) {
    padding: 13px 6px;
  }

  .hero {
    min-height: auto;
  }

  .hero__grid {
    min-height: auto;
    padding-top: 128px;
    padding-bottom: 90px;
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero h1 {
    font-size: clamp(48px, 12vw, 68px);
  }

  .hero__content {
    max-width: 640px;
  }

  .hero__visual {
    max-width: 640px;
  }

  .impact__grid {
    padding-block: 18px;
    grid-template-columns: repeat(2, 1fr);
  }

  .impact article + article::before {
    display: none;
  }

  .impact article {
    padding: 20px 12px;
  }

  .about__grid,
  .experiences__intro,
  .experiences__layout,
  .location__grid,
  .join__grid {
    grid-template-columns: 1fr;
  }

  .about__visual {
    max-width: 620px;
  }

  .about__main-photo {
    height: 430px;
  }

  .about__floating-card {
    right: 22px;
  }

  .experiences__intro {
    gap: 18px;
  }

  .experiences__photo {
    min-height: 440px;
  }

  .experience-cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .location__map {
    margin-inline: auto;
  }

  .join__grid {
    gap: 28px;
  }

  .partners__top {
    align-items: center;
    flex-direction: column;
  }

  .partners__top img:first-child,
  .partners__top img:last-child,
  .partners__sponsors {
    width: 100%;
  }
}

@media (max-width: 540px) {
  .section {
    padding-block: 76px;
  }

  .site-header {
    padding-left: 14px;
  }

  .brand__symbol {
    width: 34px;
    height: 34px;
    font-size: 20px;
  }

  .brand__name {
    font-size: 22px;
  }

  .hero__grid {
    padding-top: 116px;
    padding-bottom: 74px;
  }

  .hero h1 {
    font-size: 46px;
  }

  .hero__description {
    font-size: 16px;
  }

  .hero__actions {
    align-items: stretch;
    flex-direction: column;
    gap: 20px;
  }

  .text-link {
    text-align: center;
  }

  .event-meta {
    flex-direction: column;
    gap: 17px;
  }

  .hero__photo-wrap {
    border-radius: 24px 24px 70px 24px;
  }

  .hero__photo-wrap > img {
    height: 390px;
  }

  .hero__stamp {
    top: 18px;
    right: 16px;
    width: 106px;
    height: 106px;
  }

  .hero__stamp strong {
    font-size: 38px;
  }

  .countdown {
    right: 10px;
    left: 10px;
    padding-inline: 14px;
  }

  .countdown > p {
    display: none;
  }

  .countdown__numbers {
    width: 100%;
    justify-content: space-around;
  }

  .impact strong {
    font-size: 27px;
  }

  .impact span {
    font-size: 9px;
  }

  .about__content h2,
  .section-heading h2,
  .experiences__intro h2,
  .location h2,
  .join h2 {
    font-size: 36px;
  }

  .about__main-photo {
    height: 330px;
    border-radius: 22px 62px 22px 22px;
  }

  .about__floating-card {
    position: relative;
    right: auto;
    bottom: auto;
    width: calc(100% - 28px);
    margin: -40px auto 0;
  }

  .audience__list {
    gap: 9px;
  }

  .audience__list span {
    padding: 11px 14px 11px 35px;
    font-size: 12px;
  }

  .audience__list span::before {
    left: 11px;
  }

  .experiences__photo {
    min-height: 340px;
  }

  .experience-cards {
    grid-template-columns: 1fr;
  }

  .experience-cards article {
    min-height: 210px;
  }

  .card-number {
    margin-bottom: 32px;
  }

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

  .topics__grid article {
    min-height: 225px;
  }

  .topics__grid article > span {
    margin-bottom: 28px;
  }

  .region,
  .region__overlay {
    min-height: 440px;
  }

  .region::after {
    background: linear-gradient(90deg, rgb(3 38 94 / 92%), rgb(3 38 94 / 58%));
  }

  .region h2 {
    font-size: 43px;
  }

  .location__details {
    flex-direction: column;
    gap: 20px;
  }

  .location__pin {
    bottom: 28px;
    left: 12px;
  }

  .partners {
    padding-block: 62px;
  }

  .footer__content {
    min-height: 170px;
    padding-block: 30px;
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 13px;
  }

  .floating-contact {
    right: 14px;
    bottom: 13px;
  }

  .floating-contact small {
    display: none;
  }

  .floating-contact {
    width: 54px;
    min-height: 54px;
    padding: 8px;
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}