:root {
  --ink: #08070b;
  --paper: #fffdf4;
  --acid: #f2ff66;
  --accent: #ff4766;
  --night: #211c24;
  --muted: #5a5759;
  --blue: #7fc6e8;
  --green: #dfff8c;
  --peach: #ffd7ca;
  --line: rgba(8, 7, 11, 0.14);
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family:
    "Nunito Sans", "Segoe UI", Arial, sans-serif;
  font-size: 18px;
  line-height: 1.45;
  letter-spacing: 0;
}

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

a {
  color: inherit;
}

.site-header {
  position: absolute;
  top: 0;
  left: 50%;
  z-index: 10;
  width: min(100% - 48px, var(--max));
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 22px 0;
}

.brand,
.header-link,
.button {
  text-decoration: none;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
}

.brand__mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  color: #fff;
  background: var(--ink);
  border-radius: 6px;
  font-size: 16px;
}

.brand__text {
  font-size: 17px;
}

.header-link {
  font-size: 15px;
  font-weight: 800;
  text-transform: uppercase;
  border-bottom: 2px solid currentColor;
}

.hero {
  min-height: 650px;
  background: var(--acid);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(420px, 520px);
  gap: 56px;
  align-items: center;
  padding: 96px max(24px, calc((100vw - var(--max)) / 2)) 60px;
}

.hero__content {
  max-width: 610px;
}

.section-label {
  margin: 0 0 18px;
  color: var(--accent);
  font-size: 17px;
  font-weight: 900;
}

.hero h1,
.expert h2,
.audience h2,
.contact h2 {
  margin: 0;
  font-weight: 900;
  line-height: 1.08;
}

.hero h1 {
  max-width: 680px;
  font-size: clamp(42px, 5.6vw, 68px);
}

.hero__lead {
  max-width: 620px;
  margin: 22px 0 0;
  font-size: 22px;
  font-weight: 750;
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 34px;
  margin: 32px 0 34px;
  font-size: 21px;
  font-weight: 900;
}

.hero__meta span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 64px;
  padding: 0 40px;
  border-radius: 6px;
  border: 0;
  font-size: 18px;
  font-weight: 900;
  text-transform: uppercase;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    background-color 160ms ease;
}

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

.button:focus-visible {
  outline: 3px solid var(--ink);
  outline-offset: 4px;
}

.button--primary {
  color: #fff;
  background: var(--accent);
  box-shadow: 0 16px 32px rgba(255, 71, 102, 0.26);
}

.button--primary:hover {
  background: #ef314f;
}

.hero__media {
  align-self: end;
  overflow: hidden;
  border: 8px solid #fff;
  border-radius: 8px;
  box-shadow: 0 24px 70px rgba(8, 7, 11, 0.18);
}

.hero__media img {
  aspect-ratio: 1 / 1;
  object-fit: cover;
  object-position: 58% 50%;
}

.feature-list li::before {
  width: 8px;
  height: 8px;
  margin-top: 11px;
  background: var(--accent);
}

.expert {
  display: grid;
  grid-template-columns: minmax(320px, 540px) minmax(0, 1fr);
  gap: 60px;
  align-items: center;
  color: #fff;
  background: var(--night);
  padding: 86px max(24px, calc((100vw - var(--max)) / 2));
}

.expert__image {
  overflow: hidden;
  border-radius: 8px;
  background: #120f14;
}

.expert__image img {
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: 50% 32%;
}

.expert .section-label {
  color: #fff;
}

.expert h2 {
  margin-top: 56px;
  font-size: clamp(38px, 5vw, 54px);
}

.expert__intro {
  margin: 16px 0 44px;
  max-width: 560px;
  font-size: 22px;
  font-weight: 800;
  line-height: 1.25;
}

.feature-list,
.audience__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.feature-list {
  display: grid;
  gap: 24px;
}

.feature-list li {
  position: relative;
  padding-left: 32px;
  font-size: 20px;
}

.feature-list li::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
}

.audience {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 40px;
  align-items: start;
  background: #fff;
  padding: 54px max(24px, calc((100vw - var(--max)) / 2));
}

.audience .section-label {
  color: var(--muted);
}

.audience h2 {
  font-size: clamp(30px, 3.2vw, 40px);
}

.audience__list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.audience__list li {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 9px 18px;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 750;
}

.audience__list li:nth-child(1) {
  background: var(--green);
}

.audience__list li:nth-child(2) {
  background: var(--blue);
}

.audience__list li:nth-child(3) {
  background: var(--peach);
}

.audience__list li:nth-child(4) {
  background: #efe8ff;
}

.audience__list li:nth-child(5) {
  background: #ffe46b;
}

.contact {
  display: grid;
  justify-items: center;
  text-align: center;
  background: var(--acid);
  padding: 92px 24px 88px;
}

.contact h2 {
  max-width: 920px;
  font-size: clamp(34px, 4.8vw, 52px);
}

.button--telegram {
  min-width: min(100%, 430px);
  min-height: 78px;
  margin: 42px 0 34px;
  color: #fff;
  background: #5d9fd0;
  box-shadow: 0 16px 32px rgba(93, 159, 208, 0.25);
  font-size: 24px;
}

.button--telegram:hover {
  background: #478dc1;
}

.contact p {
  max-width: 560px;
  margin: 0;
  color: #3f3d3f;
  font-size: 15px;
}

@media (max-width: 900px) {
  body {
    font-size: 17px;
  }

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

  .header-link {
    display: none;
  }

  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 36px;
    padding-top: 96px;
  }

  .hero__lead {
    font-size: 21px;
  }

  .hero__meta {
    margin: 32px 0;
    font-size: 19px;
  }

  .hero__media {
    align-self: auto;
  }

  .expert,
  .audience {
    grid-template-columns: 1fr;
  }

  .expert {
    gap: 40px;
    padding-top: 64px;
    padding-bottom: 64px;
  }

  .expert h2 {
    margin-top: 24px;
  }

  .audience {
    gap: 24px;
    padding-top: 44px;
    padding-bottom: 44px;
  }
}

@media (max-width: 560px) {
  .site-header {
    padding-top: 16px;
  }

  .brand__text {
    max-width: 150px;
    font-size: 15px;
    line-height: 1.15;
  }

  .hero {
    padding-left: 16px;
    padding-right: 16px;
    padding-bottom: 48px;
  }

  .hero h1 {
    font-size: 38px;
  }

  .button {
    width: 100%;
    min-height: 58px;
    padding: 0 20px;
    font-size: 16px;
  }

  .expert,
  .audience {
    padding-left: 16px;
    padding-right: 16px;
  }

  .feature-list li {
    font-size: 18px;
  }

  .expert h2,
  .audience h2,
  .contact h2 {
    font-size: 34px;
  }

  .expert__intro {
    font-size: 20px;
  }

  .audience__list {
    display: grid;
  }

  .audience__list li {
    min-height: 44px;
  }

  .button--telegram {
    min-height: 68px;
    font-size: 20px;
  }
}