:root {
  --navy: #081B2B;
  --teal: #008C86;
  --aqua: #18B8AD;
  --slate: #6B7A86;
  --white: #FFFFFF;
  --soft: #F4F9F9;
  --line: #D9E7E6;
}

@font-face {
  font-family: "Atvera Rounded";
  src: url("assets/fonts/nunito-latin-400-normal.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Atvera Rounded";
  src: url("assets/fonts/nunito-latin-700-normal.woff2") format("woff2");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}

@font-face {
  font-family: "Atvera Rounded";
  src: url("assets/fonts/nunito-latin-900-normal.woff2") format("woff2");
  font-style: normal;
  font-weight: 900;
  font-display: swap;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--navy);
  background: var(--white);
  font-family: "Atvera Rounded", "Arial Rounded MT Bold", Arial, Helvetica, sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(18px, 4.5vw, 60px);
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.brand img {
  display: block;
  width: min(188px, 45vw);
  height: auto;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 28px);
  color: var(--slate);
  font-size: 0.95rem;
}

.nav a {
  text-decoration: none;
}

.nav a:hover {
  color: var(--teal);
}

.hero {
  position: relative;
  display: flex;
  align-items: flex-start;
  min-height: calc(100vh - 70px);
  padding: clamp(70px, 9vh, 108px) clamp(22px, 5vw, 72px) clamp(54px, 7vw, 92px);
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.78) 0%, rgba(255, 255, 255, 0.7) 34%, rgba(255, 255, 255, 0.18) 72%, rgba(255, 255, 255, 0.08) 100%),
    url("assets/hero-bg.png") center top / cover no-repeat;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 850px;
  padding-top: clamp(22px, 5vh, 68px);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 22px;
  font-size: clamp(3.1rem, 7.1vw, 6.4rem);
  line-height: 0.94;
  letter-spacing: 0;
  font-weight: 700;
}

h2 {
  margin-bottom: 22px;
  font-size: clamp(2rem, 4.3vw, 3.75rem);
  line-height: 1;
  letter-spacing: 0;
  font-weight: 700;
}

h3 {
  margin-bottom: 12px;
  font-size: 1.15rem;
  letter-spacing: 0;
}

.hero__lead {
  max-width: 700px;
  margin-bottom: 20px;
  font-size: clamp(1.35rem, 2.4vw, 2rem);
  line-height: 1.22;
}

.hero__copy,
.text-stack p,
.section p,
.footer p {
  color: var(--slate);
  font-size: 1.05rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid var(--teal);
  border-radius: 6px;
  font-weight: 900;
  text-decoration: none;
}

.button--primary {
  color: var(--white);
  background: var(--teal);
}

.button--secondary {
  color: var(--teal);
  background: var(--white);
}

.section {
  padding: clamp(64px, 8vw, 112px) clamp(20px, 5vw, 72px);
}

.section--quiet {
  background: var(--soft);
}

.section__intro {
  max-width: 900px;
  margin-bottom: 42px;
}

.columns,
.principles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.columns > div,
.principles article,
.profile-preview,
.status-box {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.columns > div {
  padding: 28px;
}

.split,
.example {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(32px, 6vw, 84px);
  align-items: start;
}


.section--diagram {
  background: var(--white);
}

.infographic {
  margin: 0;
  padding: clamp(10px, 2vw, 18px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  overflow: hidden;
}

.infographic img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 6px;
}

.text-stack {
  max-width: 760px;
}

.principles {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.principles article {
  padding: 26px;
}

.profile-preview {
  padding: 28px;
}

.profile-preview__top {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
}

.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  color: var(--white);
  background: var(--teal);
  font-weight: 800;
}

.profile-preview small {
  display: block;
  color: var(--slate);
}

.profile-preview ul {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.profile-preview li {
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.section--status {
  background: var(--navy);
}

.status-box {
  width: min(100%, 1120px);
  margin: 0 auto;
  padding: clamp(30px, 5vw, 52px);
}

.status-box h2 {
  color: var(--navy);
  max-width: 880px;
  font-size: clamp(2rem, 4vw, 3.35rem);
  line-height: 1.05;
}

.status-box p {
  max-width: 920px;
}

.footer {
  display: grid;
  justify-items: center;
  gap: 14px;
  padding: 42px 20px;
  text-align: center;
}

.footer img {
  width: 72px;
  height: 72px;
}

.footer a {
  color: var(--teal);
  font-weight: 700;
  text-decoration: none;
}

@media (max-width: 900px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .hero,
  .split,
  .example {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

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


  .hero {
    background:
      linear-gradient(180deg, rgba(255, 255, 255, 0.88) 0%, rgba(255, 255, 255, 0.78) 52%, rgba(255, 255, 255, 0.55) 100%),
      url("assets/hero-bg.png") center / cover no-repeat;
  }
}

@media (max-width: 520px) {
  .button {
    width: 100%;
  }
}