:root {
  --color-background: #eeeff1;
  --color-surface: #ffffff;
  --color-primary: #34547a;
  --color-heading: #000000;
  --color-text: #727272;
  --color-footer-text: #ffffff;
  --font-base: "Roboto", sans-serif;
  --container-width: 1110px;
  --shadow-soft: 0 18px 50px rgba(52, 84, 122, 0.14);
  --section-space: clamp(4rem, 8vw, 7rem);
  --header-top-space: clamp(2rem, 5vw, 3.5rem);
  --hero-top-space: clamp(4rem, 9vw, 9.1875rem);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-base);
  color: var(--color-text);
  background: var(--color-background);
}

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

a,
button {
  transition: 0.2s ease;
}

.container {
  width: min(calc(100% - 2rem), var(--container-width));
  margin: 0 auto;
}

.site-header {
  padding: var(--header-top-space) 0 clamp(4.5rem, 10vw, 8.8125rem);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2.625rem;
  align-items: center;
}

.site-nav__link {
  color: var(--color-heading);
  font-size: 16px;
  line-height: 1.64;
  letter-spacing: 0.1em;
  text-decoration: none;
}

.site-nav__link:hover,
.site-nav__link:focus-visible {
  color: var(--color-primary);
  outline: none;
}

.hero {
  display: flex;
  justify-content: flex-start;
  padding-top: var(--hero-top-space);
}

.hero__content {
  max-width: 33.8125rem;
}

.hero__title {
  margin: 0 0 2rem;
  color: var(--color-heading);
  font-size: clamp(2.25rem, 5vw, 3rem);
  line-height: 1.25;
  font-weight: 500;
}

.hero__text,
.section__text {
  margin: 0;
  font-size: 1rem;
  line-height: 1.64;
}

.hero__text {
  margin-bottom: 2.5rem;
}

.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-width: min(100%, 14.0625rem);
  min-height: 4.0625rem;
  padding: 1.25rem 1.5rem;
  color: var(--color-footer-text);
  background: var(--color-primary);
  text-decoration: none;
  letter-spacing: 0.1em;
  text-align: center;
}

.button:hover,
.button:focus-visible {
  background: #294464;
  outline: none;
}

.section {
  padding: var(--section-space) 0;
}

.about {
  background: var(--color-surface);
}

.section__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.section__title {
  margin: 0 0 1.75rem;
  color: var(--color-heading);
  font-size: clamp(1.75rem, 4vw, 2rem);
  line-height: 1.18;
  font-weight: 500;
}

.section__text {
  max-width: 33.75rem;
}

.numbers {
  padding: clamp(3.5rem, 8vw, 6.25rem) 0;
  background: var(--color-primary);
}

.numbers__list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem 2.8125rem;
}

.numbers__item {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex: 1 1 9rem;
  max-width: 10.25rem;
  min-width: 0;
  color: var(--color-footer-text);
}

.numbers__icon {
  width: 60px;
  height: 60px;
  object-fit: contain;
}

.numbers__content {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.numbers__value,
.numbers__label {
  line-height: 1;
}

.numbers__value {
  font-size: 21px;
  font-weight: 500;
}

.numbers__label {
  font-size: 16px;
}

.process {
  padding-bottom: var(--section-space);
}

.video-card {
  position: relative;
  width: 100%;
  max-width: 1110px;
  margin-top: 3.5rem;
  aspect-ratio: 1110 / 600;
  border-radius: 0.375rem;
  overflow: hidden;
  background:
    linear-gradient(rgba(0, 0, 0, 0.28), rgba(0, 0, 0, 0.28)),
    radial-gradient(circle at top, rgba(52, 84, 122, 0.35), rgba(0, 0, 0, 0.55));
  box-shadow: var(--shadow-soft);
}

.video-card__media {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-card__play {
  position: absolute;
  inset: 50% auto auto 50%;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: clamp(4.5rem, 10vw, 6.25rem);
  height: clamp(4.5rem, 10vw, 6.25rem);
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.92);
  transform: translate(-50%, -50%);
  cursor: pointer;
  animation: play-pulse 2.4s ease-in-out infinite;
}

.video-card__play:hover,
.video-card__play:focus-visible {
  background: #ffffff;
  transform: translate(-50%, -50%) scale(1.05);
  outline: none;
}

.video-card__play.is-hidden {
  opacity: 0;
  pointer-events: none;
  animation: none;
}

.video-card__play-icon {
  margin-left: 6px;
  width: 0;
  height: 0;
  border-top: 16px solid transparent;
  border-bottom: 16px solid transparent;
  border-left: 24px solid var(--color-primary);
}

.site-footer {
  padding: 3.125rem 0;
  background: var(--color-primary);
}

.site-footer__inner {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.site-footer__title,
.site-footer__text {
  margin: 0;
  color: var(--color-footer-text);
}

.site-footer__title {
  font-size: 21px;
  line-height: 1.2;
  font-weight: 500;
}

.site-footer__text {
  font-size: 13px;
  line-height: 1.6;
}

.site-footer__button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  align-self: flex-start;
  min-height: 3.25rem;
  padding: 0.875rem 1.5rem;
  color: var(--color-footer-text);
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.24);
  text-decoration: none;
  letter-spacing: 0.04em;
}

.site-footer__button:hover,
.site-footer__button:focus-visible {
  background: rgba(255, 255, 255, 0.2);
  outline: none;
}

@keyframes play-pulse {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.28);
  }

  50% {
    box-shadow: 0 0 0 18px rgba(255, 255, 255, 0);
  }
}

@media (max-width: 1024px) {
  .site-header {
    padding-bottom: 6rem;
  }

  .hero {
    padding-top: 6rem;
  }

  .numbers__list {
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .site-nav {
    justify-content: center;
  }

  .hero {
    justify-content: center;
    text-align: center;
  }

  .hero__content,
  .section__text {
    max-width: 100%;
  }

  .numbers__list {
    justify-content: flex-start;
  }

  .numbers__item {
    flex-basis: calc(50% - 1rem);
    max-width: none;
  }
}

@media (max-width: 560px) {
  .container {
    width: min(calc(100% - 1.5rem), var(--container-width));
  }

  .site-nav {
    gap: 0.875rem 1rem;
  }

  .site-nav__link {
    font-size: 0.9375rem;
  }

  .hero {
    padding-top: 4.5rem;
  }

  .button {
    width: 100%;
    max-width: 18rem;
  }

  .section {
    padding: 4.25rem 0;
  }

  .numbers {
    padding: 3.5rem 0;
  }


  .video-card {
    margin-top: 2.25rem;
    aspect-ratio: 16 / 10;
  }

  .site-footer__inner {
    align-items: center;
    text-align: center;
  }

  .site-footer__button {
    align-self: center;
    width: 100%;
    max-width: 20rem;
  }
}

@media (max-width: 375px) {
  .site-nav {
    justify-content: space-between;
  }

  .site-nav__link {
    letter-spacing: 0.08em;
  }

  .hero__title {
    font-size: 2rem;
  }

  .hero__text,
  .section__text {
    font-size: 0.9375rem;
  }

  .button {
    min-height: 3.75rem;
    padding-inline: 1rem;
  }

  .numbers__list {
    justify-content: center;
    gap: 1.5rem 1rem;
  }

  .numbers__item {
    flex: 0 1 calc(50% - 0.5rem);
    justify-content: center;
    max-width: 9.5rem;
  }

  .video-card__play {
    width: 4.25rem;
    height: 4.25rem;
  }

  .video-card__play-icon {
    margin-left: 4px;
    border-top-width: 0.625rem;
    border-bottom-width: 0.625rem;
    border-left-width: 1rem;
  }
}