@font-face {
  font-family: "intcube-font-light";
  src: url("https://files.intcube.io/fonts/DIN%C2%AE%20Next/DINNextLTPro-Medium.otf") format("opentype");
}

@font-face {
  font-family: "intcube-font-bold";
  src: url("https://files.intcube.io/fonts/DIN%C2%AE%20Next/DINNextLTPro-Bold.otf") format("opentype");
}

:root {
  --accent: #04adbf;
  --accent-dark: #049bab;
  --ink: #303030;
  --body: #3d3d3d;
  --muted: rgba(48, 48, 48, 0.7);
  --line: #d8dde6;
  --white: #fff;
  --soft: rgba(255, 255, 255, 0.04);
  --font: "intcube-font-light", "Helvetica Neue", Arial, sans-serif;
  --font-bold: "intcube-font-bold", "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--body);
  background: var(--white);
  font-family: var(--font);
  font-size: 18px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1,
h2,
h3,
strong,
b {
  font-family: var(--font-bold);
}

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

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

a:hover {
  opacity: 0.82;
}

.container {
  width: min(100% - 36px, 1100px);
  margin: 0 auto;
}

.container--mid {
  max-width: 820px;
}

.container--wide {
  max-width: 960px;
}

.container--article {
  max-width: 1200px;
}

.site-header {
  position: absolute;
  inset: 0 0 auto;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px max(18px, calc((100vw - 1160px) / 2));
}

.site-header--light {
  color: var(--white);
}

.brand-text {
  color: inherit;
  font-family: var(--font-bold);
  font-size: 18px;
  line-height: 1.2;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  min-width: 140px;
  padding: 10px 22px;
  border: 2px solid currentColor;
  border-radius: 4px;
  color: inherit;
  font-family: var(--font-bold);
  font-size: 16px;
  line-height: 1;
  transition: background-color 0.2s ease, color 0.2s ease, opacity 0.2s ease;
}

.button:hover {
  opacity: 1;
}

.button--outline {
  color: var(--white);
}

.button--outline:hover {
  color: var(--accent);
  background: var(--white);
}

.button--outline-dark {
  color: var(--accent);
  background: var(--white);
  box-shadow: 0 10px 28px rgba(28, 37, 65, 0.12);
}

.button--outline-dark:hover,
.button--primary {
  color: var(--white);
  background: var(--accent);
  border-color: var(--accent);
}

.button--primary:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
}

.hero {
  padding: 145px 18px 135px;
  color: var(--white);
  text-align: center;
  background: var(--accent);
}

.hero h1 {
  margin-bottom: 30px;
  color: var(--white);
  font-size: clamp(42px, 7vw, 70px);
  line-height: 1.12;
}

.manifesto-section {
  padding: 95px 18px 115px;
  color: var(--white);
  background: var(--accent);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.manifesto-card {
  width: min(100%, 610px);
  margin: 0 auto;
  padding: clamp(28px, 5vw, 42px);
  background: var(--soft);
  border-radius: 16px;
}

.manifesto-card h2 {
  color: var(--white);
  font-size: clamp(30px, 4vw, 38px);
  line-height: 1.15;
}

.manifesto-card p,
.manifesto-card li {
  color: var(--white);
  font-size: clamp(19px, 2.1vw, 24px);
}

.manifesto-card ul,
.manifesto-card ol {
  padding-left: 28px;
  margin: 0 0 28px;
}

.manifesto-card li {
  margin-bottom: 8px;
}

.section {
  padding: 70px 0;
  text-align: center;
}

.section-title {
  margin-bottom: 28px;
  color: var(--ink);
  font-size: clamp(34px, 5vw, 50px);
  line-height: 1.12;
}

.post-card {
  display: block;
  max-width: 270px;
  min-height: 220px;
  margin: 0 auto;
  overflow: hidden;
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 10px;
  text-align: left;
  transition: opacity 0.2s ease;
}

.post-card::before {
  content: "";
  display: block;
  height: 130px;
  background: linear-gradient(135deg, var(--accent), #87dde5);
}

.post-card h3 {
  margin: 0;
  padding: 20px;
  color: var(--ink);
  font-size: 16px;
  line-height: 1.35;
}

.section--faq {
  padding-top: 80px;
  padding-bottom: 120px;
}

.faq-list {
  display: grid;
  gap: 10px;
  text-align: left;
}

.faq-question {
  position: relative;
  width: 100%;
  padding: 20px 58px 20px 20px;
  color: var(--accent);
  background: var(--white);
  border: 2px solid var(--line);
  border-radius: 16px;
  font: 700 20px/1.4 var(--font-bold);
  text-align: left;
  cursor: pointer;
  transition: border-color 0.2s ease;
}

.faq-question:hover,
.faq-item.is-open .faq-question {
  border-color: var(--accent);
}

.faq-icon {
  position: absolute;
  top: 50%;
  right: 22px;
  width: 13px;
  height: 13px;
  border-top: 2px solid var(--accent);
  border-left: 2px solid var(--accent);
  transform: translateY(-30%) rotate(45deg);
  transition: transform 0.2s ease;
}

.faq-item.is-open .faq-icon {
  transform: translateY(-65%) rotate(225deg);
}

.faq-answer {
  display: none;
  padding: 18px 24px 22px;
}

.faq-item.is-open .faq-answer {
  display: block;
}

.faq-answer p {
  margin-bottom: 14px;
  color: rgba(48, 48, 48, 0.85);
}

.faq-answer a,
.article a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.created-by {
  padding-top: 50px;
}

.created-by p {
  margin-bottom: 26px;
}

.logo-link {
  display: block;
  width: 150px;
  margin: 0 auto 28px;
}

.logo-link img {
  display: block;
  width: 100%;
  height: auto;
}

.site-footer {
  padding: 40px 18px;
  color: var(--white);
  background: var(--accent);
}

.footer-top,
.footer-links {
  width: min(100%, 1100px);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.footer-top p {
  margin: 0;
  font-size: 14px;
}

.social-link {
  display: inline-flex;
  width: 22px;
  height: 22px;
}

.social-link svg {
  width: 100%;
  height: 100%;
  fill: currentColor;
}

.footer-links {
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 24px;
  font-size: 13px;
}

.blog-page {
  padding: 100px 0 0;
  background: var(--white);
}

.article {
  padding-bottom: 130px;
}

.article h1 {
  max-width: 900px;
  padding-bottom: 30px;
  margin-bottom: 30px;
  color: var(--ink);
  border-bottom: 1px solid #efefef;
  font-size: clamp(42px, 7vw, 64px);
  line-height: 1.12;
}

.article-date {
  margin-bottom: 55px;
  color: #00396b;
  font-size: 14px;
  text-transform: uppercase;
}

.article p:not(.article-date) {
  max-width: 780px;
  margin: 0 auto 28px;
  color: var(--body);
  font-size: 21px;
  line-height: 1.55;
}

@media (max-width: 720px) {
  body {
    font-size: 16px;
  }

  .site-header {
    padding: 18px;
  }

  .brand-text {
    max-width: 210px;
    font-size: 14px;
  }

  .button {
    min-width: 112px;
    padding-inline: 16px;
    font-size: 14px;
  }

  .hero {
    padding-top: 120px;
    padding-bottom: 90px;
  }

  .manifesto-section {
    padding-top: 55px;
    padding-bottom: 80px;
  }

  .manifesto-card {
    border-radius: 10px;
  }

  .section {
    padding: 55px 0;
  }

  .footer-top {
    flex-direction: column;
    text-align: center;
  }

  .blog-page {
    padding-top: 90px;
  }

  .article {
    padding-bottom: 80px;
  }

  .article p:not(.article-date) {
    font-size: 18px;
  }
}