@font-face {
  font-family: "FreeSet";
  src: url("./assets/fonts/FreeSetDemiC.woff2") format("woff2");
  font-weight: 400;
}

@font-face {
  font-family: "FreeSetBold";
  src: url("./assets/fonts/FreeSetExtraBoldC.woff2") format("woff2");
  font-weight: 600;
}

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

body {
  position: relative;
  font-family: "Roboto", "Arial", sans-serif;
  background-color: var(--color-black);
  color: var(--color-white);
}

ul,
ol {
  list-style: none;
}

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

button {
  color: inherit;
  cursor: pointer;
}

:root {
  --color-white: #fff;
  --color-black: #000;
  --color-green: #69b42e;
  --color-gray-10: #666666;
  --color-gray-20: #cccccc;
  --color-gray-30: #f8f8f8;
  --color-gray-40: #b3b3b3;
  --color-gray-50: #bfbfbf;
  --color-accent: #5fd900;
  --color-error: #d02224;
}

body.is-modal-open {
  overflow: hidden;
}

.contacts__title,
.hero__text,
.registration__title {
  font-family: "FreeSet", "Roboto", sans-serif;
}

.hero__title {
  font-family: "FreeSetBold", "Roboto", sans-serif;
}

.main {
  padding: 64px 0;
}

.main__container {
  max-width: 805px;
  margin: 0 auto;
}

.main__logo {
  display: flex;
  padding-bottom: 32px;
  justify-content: center;
}

.hero {
  display: flex;
  padding: 0 0 64px;
  flex-direction: column;
  align-items: center;
}

.hero__desc {
  padding-bottom: 32px;
  transform: rotate(-2deg);
}

.hero__title {
  padding-bottom: 24px;
  font-size: 64px;
  line-height: 100%;
  text-shadow: 0 0 15px #d4ffb315;
  text-align: center;
}

.hero__title-accent {
  color: var(--color-accent);
}

.hero__text {
  padding: 0 28px;
  font-size: 24px;
  line-height: 30px;
  text-align: center;
  text-shadow: 0 0 15px #d4ffb315;
}

.hero__text-accent {
  color: var(--color-accent);
}

.hero__info-wrapper {
  display: flex;
  align-items: center;
  flex-direction: column;
}

.hero__info {
  padding-bottom: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 486px;
}

.hero__buttons {
  display: flex;
  gap: 12px;
}

.hero__info-button {
  padding: 12px 32px;
  flex: 1;
  color: var(--color-white);
  font-size: 18px;
  line-height: 24px;
  text-align: center;
  align-content: center;
  border-radius: 100px;
  border: 1px solid rgba(255, 255, 255, 0.64);
  background:
    linear-gradient(
      102deg,
      rgba(255, 255, 255, 0.2) 12.49%,
      rgba(255, 255, 255, 0) 58.51%
    ),
    rgba(255, 255, 255, 0.14);
  box-shadow:
    0px 0px 15px 0px rgba(212, 255, 179, 0.15),
    0px 4px 7px 0px rgba(0, 0, 0, 0.05);
  backdrop-filter: blur(36px);
}

.hero__info-text-weight {
  font-weight: 500;
}

.hero__info-text {
  padding: 0 14px;
  color: var(--color-white);
  font-weight: 500;
  font-size: 18px;
  line-height: 24px;
  text-align: center;
}

.hero__program-link {
  display: flex;
  align-items: center;
  padding: 8px 24px;
  gap: 8px;
  border-radius: 5px;
  border: 2px solid #edf6e6;
  color: var(--color-white);
  font-size: 18px;
  line-height: 18px;
  cursor: pointer;
}

.registration {
  max-width: 668px;
  margin: 0 auto;
}

.registration__title {
  padding-bottom: 48px;
  color: var(--color-white);
  font-size: 40px;
  line-height: 44px;
  text-align: center;
  text-shadow: 0 0 15px #ffffff15;
}

.registration__form {
  padding: 48px 64px;
  margin-bottom: 64px;
  border-radius: 15px;
  background-color: var(--color-white);
}

.form__inputs {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form__field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form__label {
  font-size: 14px;
  line-height: 14px;
  color: var(--color-gray-10);
}

.form__input {
  justify-content: space-between;
  padding: 12px;
  border: 1px solid var(--color-gray-20);
  border-radius: 5px;
}

.form__input--error {
  border-color: var(--color-error);
}

.form__error {
  display: none;
  font-size: 14px;
  line-height: 18px;
  color: var(--color-error);
}

.form__error--visible {
  display: block;
}

.form__email-warning {
  display: none;
  padding: 16px 24px;
  margin-top: 32px;
  color: var(--color-black);
  background-color: var(--color-gray-30);
  border: 1px solid var(--color-error);
  border-radius: 10px;
}

.form__email-warning--visible {
  display: block;
}

.form__info {
  padding-bottom: 32px;
}

.form__info-title {
  padding: 32px 0 16px;
  color: var(--color-gray-40);
  font-size: 14px;
  line-height: 18px;
}

.form__checkbox-custom {
  display: flex;
  gap: 8px;
  align-items: start;
}

.checkbox {
  display: flex;
  align-items: start;
  cursor: pointer;
  gap: 8px;
}

.checkbox__input {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.checkbox__view {
  flex: none;
  width: 16px;
  height: 16px;
  border: 1px solid var(--color-gray-20);
  border-radius: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  position: relative;
  background-color: var(--color-white);
}

.checkbox__view::after {
  content: "";
  position: absolute;
  width: 4px;
  height: 8px;
  border: solid var(--color-white);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
  opacity: 0;
  transition: opacity 0.2s;
  top: 1px;
}

.checkbox__input:checked + .checkbox__view {
  background-color: var(--color-green);
  border-color: var(--color-green);
}

.checkbox__input:checked + .checkbox__view::after {
  opacity: 1;
}

.checkbox__text {
  font-size: 14px;
  line-height: 18px;
  color: var(--color-black);
}

.checkbox__link {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.form__submit-button {
  width: 100%;
  padding: 12px 0;
  background-color: var(--color-green);
  color: var(--color-white);
  font-size: 16px;
  line-height: 16px;
  text-align: center;
  border-radius: 5px;
  border: none;
  cursor: pointer;
}

.form__submit-button:disabled {
  background-color: var(--color-gray-30);
  color: var(--color-gray-40);
  cursor: default;
}

.contacts {
  max-width: 668px;
  margin: 0 auto;
  padding-bottom: 40px;
}

.contacts__wrapper {
  display: flex;
  padding: 24px 48px;
  justify-content: space-between;
  align-items: center;
  border-radius: 15px;
  background: radial-gradient(100% 100% at 100% 0%, #575757 0%, #212121 100%);
}

.contacts__title {
  padding-bottom: 12px;
  color: var(--color-white);
  font-weight: 500;
  font-size: 24px;
  line-height: 30px;
}

.contacts__text {
  color: var(--color-white);
  font-weight: 500;
  font-size: 18px;
  line-height: 24px;
}

.contacts__link {
  color: #69b42e;
  font-weight: 500;
  font-size: 18px;
  line-height: 24px;
  text-decoration: underline;
  text-decoration-style: solid;
  text-decoration-thickness: 0%;
  text-underline-offset: 4px;
}

.contacts__img {
  max-width: 140px;
}

.footer {
  display: flex;
  padding: 64px 56px;
  color: #a6a6a6;
  background: #212121;
}

.footer__container {
  max-width: 1168px;
  width: 100%;
  margin: 0 auto;
  display: grid;
  gap: 48px;
}

.footer__nav {
  display: grid;
  grid-template-columns: repeat(3, minmax(120px, 1fr));
  gap: 24px 32px;
}

.footer__link {
  font-size: 18px;
  line-height: 24px;
}

.footer__link a:hover,
.footer__link-col a:hover {
  color: var(--color-white);
}

.footer__icons {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: center;
}

.footer__info {
  padding-top: 16px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  font-size: 14px;
  line-height: 18px;
  border-top: 1px solid #4d4d4d;
}

.footer__about {
  display: flex;
  padding-bottom: 8px;
  gap: 12px;
}

.footer__link-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.modal__overlay {
  position: fixed;
  inset: 0;
  background: rgb(68, 68, 68, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.modal__overlay--visible {
  opacity: 1;
}

.modal__box {
  padding: 64px 64px 48px;
  margin: 0 16px;
  max-width: 568px;
  width: 100%;
  background: var(--color-white);
  border-radius: 15px;
  color: var(--color-black);
  text-align: center;
  box-shadow: 0px 2px 32px #80808026;
  position: relative;
}

.modal__close {
  position: absolute;
  padding: 5px;
  top: 24px;
  right: 16px;
  background: none;
  border: none;
  cursor: pointer;
}

.modal__title {
  padding-bottom: 8px;
  font-size: 24px;
  font-weight: 500;
}

.modal__text {
  padding-bottom: 32px;
  font-size: 18px;
  line-height: 24px;
}

.modal__buttons {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.modal__btn {
  width: 100%;
  padding: 12px 0;
  border-radius: 5px;
  font-size: 16px;
  line-height: 16px;
  border: none;
  cursor: pointer;
}

.modal__btn--primary {
  background: var(--color-green);
  color: var(--color-white);
}

.modal__btn--secondary {
  background: var(--color-white);
  color: var(--color-black);
  border-color: var(--color-green);
}

@media (max-width: 1280px) {
  .hero {
    padding: 0 16px 64px;
  }
}

@media (max-width: 768px) {
  .hero {
    padding: 0 0 48px;
  }

  .main__container {
    padding: 0 16px;
  }

  .footer {
    padding: 64px 32px;
  }

  .footer__nav {
    gap: 24px 16px;
  }

  .footer__info {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .footer__info > :first-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 480px) {
  .hero__title {
    padding-bottom: 8px;
    font-size: 40px;
  }

  .hero__text {
    padding: 0;
    font-size: 18px;
    line-height: 22px;
  }

  .hero__info-button {
    padding: 12px 22px;
  }

  .registration__title {
    padding-bottom: 24px;
    font-size: 18px;
    line-height: 22px;
  }

  .registration__form {
    padding: 40px 24px;
    margin-bottom: 48px;
  }

  .contacts__wrapper {
    padding: 32px 24px;
    flex-direction: column;
    gap: 48px;
    align-items: start;
  }

  .contacts__img {
    align-self: self-end;
  }

  .footer {
    padding: 48px 16px;
  }

  .footer__nav {
    display: flex;
    gap: 20px 16px;
    flex-wrap: wrap;
  }

  .footer__nav > :last-child {
    width: 100%;
  }

  .footer__container {
    gap: 32px;
  }

  .footer__info {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}

@media (max-width: 320px) {
  .main__container {
    padding: 0 12px;
  }

  .hero {
    padding: 0 0 40px;
  }

  .hero__title {
    padding-bottom: 14px;
  }

  .hero__buttons {
    flex-direction: column;
  }

  .hero__program-link {
    padding: 8px 16px;
  }
}

.bg-layer {
  position: fixed;
  inset: 0;
  z-index: -2;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0;
  will-change: opacity;
}

.bg-layer--1 {
  background-image: url('./assets/bg-var3.png');
  opacity: 1;
}

.bg-layer--2 {
  background-image: url('./assets/bg-var2.png');
  animation: two 4s ease-in-out infinite;
}

.bg-layer--3 {
  background-image: url('./assets/bg-var4.png');
  animation: three 4s ease-in-out infinite;
}

@keyframes two {
  0%   { opacity: 0; }
  20%   { opacity: 1; }
  40%  { opacity: 1; }
  60%  { opacity: 0; }
  80% { opacity: 0; }
  100% { opacity: 0; }
}

@keyframes three {
  0%   { opacity: 0; }
  20%   { opacity: 0; }
  40%  { opacity: 1; }
  60%  { opacity: 1; }
  80% { opacity: 0; }
  100% { opacity: 0; }
}

.blobs__clip {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow-x: hidden;
  pointer-events: none;
  z-index: -1;
}

.blobs__wrapper {
  position: absolute;
  top: 0;
  left: 50%;
  width: 100%;
  height: 1080px;
  transform: translateX(-50%);
  z-index: -1;
  pointer-events: none;
}

.blob {
  position: absolute;
  transform-origin: center center;
  will-change: transform;
}

.blob--1 {
  width: 902px; 
  height: 851px;
  left: calc(50% - 510px);
  top: calc(250 / 1080 * 100%); 
  background-image: url('./assets/blob1.png');
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  animation: orbit1 15s linear infinite;
}

.blob--2 {
  width: 902px; 
  height: 851px;
  right: calc(50% - 510px);
  top: calc(420 / 1080 * 100%); 
  background-image: url('./assets/blob2.png');
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  animation: orbit2 15s linear infinite;
}

.blob--3 {
  width: 902px; 
  height: 851px;
  left: 50%;
  transform: translateX(-50%);
  top: calc(500 / 1080 * 100%);
  background-image: url('./assets/blob3.png');
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  animation: orbit3 20s linear infinite;
}

@keyframes orbit1 {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

@keyframes orbit2 {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

@keyframes orbit3 {
  from { transform: translateX(-50%) rotate(0deg); }
  to   { transform: translateX(-50%) rotate(360deg); }
}