:root {
  color-scheme: light;
  --ink: #111114;
  --muted: #5f626b;
  --paper: #fbf8f1;
  --line: rgba(17, 17, 20, 0.12);
  --panel: rgba(255, 255, 255, 0.76);
  --blue: #0071e3;
  --teal: #2f9f8f;
  --coral: #e46f5f;
  --shadow: 0 28px 90px rgba(22, 27, 37, 0.14);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  min-width: 320px;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 1rem;
  padding: 0.9rem clamp(1.25rem, 4vw, 4rem);
  border-bottom: 1px solid rgba(17, 17, 20, 0.08);
  background: rgba(251, 251, 253, 0.82);
  backdrop-filter: blur(24px);
}

.brand {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(0.75rem, 3vw, 2rem);
  color: rgba(17, 17, 20, 0.72);
  font-size: 0.9rem;
}

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

.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: calc(100svh - 4rem);
  padding: 3.5rem clamp(1.25rem, 4vw, 4rem) 4rem;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("assets/konob-idea-form-bg.png");
  background-position: 72% bottom;
  background-size: auto 86%;
  background-repeat: no-repeat;
  opacity: 0.42;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(251, 248, 241, 0.99) 0%, rgba(251, 248, 241, 0.94) 58%, rgba(251, 248, 241, 0.78) 100%),
    linear-gradient(180deg, rgba(251, 248, 241, 0.86) 0%, rgba(251, 248, 241, 0.62) 54%, rgba(251, 248, 241, 0.92) 100%);
}

.hero-copy {
  position: relative;
  z-index: 1;
  max-width: 51rem;
}

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

h1 {
  margin-bottom: 1.25rem;
  font-size: clamp(2.9rem, 15vw, 4.6rem);
  line-height: 0.94;
  letter-spacing: 0;
  max-width: 9.8ch;
}

.hero-subtitle {
  max-width: 42rem;
  color: var(--muted);
  font-size: 1.04rem;
  line-height: 1.52;
}

.coming-soon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  border-radius: 999px;
  margin: 1rem 0 0;
  padding: 0.78rem 1.15rem;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.68);
  color: var(--ink);
  font-weight: 650;
}

.site-footer {
  display: flex;
  justify-content: center;
  gap: 1rem;
  padding: 1.5rem clamp(1.25rem, 4vw, 4rem);
  color: var(--muted);
  background: white;
  text-align: center;
}

.site-footer p {
  margin: 0;
}

@media (min-width: 621px) {
  .hero {
    padding-top: clamp(4rem, 9vw, 7rem);
    min-height: calc(100svh - 4rem);
  }

  h1 {
    font-size: clamp(3.45rem, 7.8vw, 7.7rem);
    max-width: 11ch;
  }

  .hero::before {
    background-position: center right;
    background-size: cover;
    opacity: 1;
  }

  .hero::after {
    background:
      linear-gradient(90deg, rgba(251, 248, 241, 0.99) 0%, rgba(251, 248, 241, 0.92) 40%, rgba(251, 248, 241, 0.32) 68%, rgba(251, 248, 241, 0) 100%),
      linear-gradient(180deg, rgba(251, 248, 241, 0.18) 0%, rgba(251, 248, 241, 0) 54%, rgba(251, 248, 241, 0.28) 100%);
  }

  .hero-subtitle {
    font-size: clamp(1.08rem, 1.75vw, 1.35rem);
  }
}

@media (min-width: 621px) and (max-width: 920px) {
  .hero::before {
    background-position: 82% center;
    opacity: 0.7;
  }

  .hero::after {
    background:
      linear-gradient(90deg, rgba(251, 248, 241, 0.99) 0%, rgba(251, 248, 241, 0.94) 58%, rgba(251, 248, 241, 0.64) 100%),
      linear-gradient(180deg, rgba(251, 248, 241, 0.56) 0%, rgba(251, 248, 241, 0.22) 52%, rgba(251, 248, 241, 0.82) 100%);
  }
}

@media (max-width: 620px) {
  .site-header {
    align-items: center;
  }

  .hero {
    align-items: flex-start;
  }

  .header-note {
    font-size: 0.82rem;
  }

  .site-footer {
    flex-direction: column;
  }
}