/* etherea, LLC brand page */

:root {
  --bg: #0a0a0a;
  --bg-elevated: #111111;
  --fg: #e8e8e6;
  --fg-muted: #9a9a96;
  --fg-subtle: #6a6a66;
  --border: #1e1e1c;
  --accent: #d0d0cc;
  --max: 40rem;
  --space: clamp(1.25rem, 4vw, 2rem);
  --header-h: 4.5rem;
  --font: "IBM Plex Sans", "Segoe UI", system-ui, -apple-system, sans-serif;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
}

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

html {
  scroll-behavior: smooth;
  overflow-x: clip;
}

::selection {
  background: #2a2a28;
  color: #fff;
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: clip;
  padding-left: var(--safe-left);
  padding-right: var(--safe-right);
  -webkit-tap-highlight-color: rgba(208, 208, 204, 0.12);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  transition: color 0.15s ease;
}

a:hover {
  color: #fff;
}

a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  padding: 0.75rem 1rem;
  background: var(--fg);
  color: var(--bg);
}

.skip:focus {
  left: calc(var(--space) + var(--safe-left));
  top: calc(var(--space) + var(--safe-top));
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 1.25rem;
  flex-wrap: wrap;
  padding: calc(0.75rem + var(--safe-top)) calc(var(--space) + var(--safe-right)) 0.75rem calc(var(--space) + var(--safe-left));
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.logo-link {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  min-height: 44px;
  text-decoration: none;
  color: var(--fg);
}

.logo-link:hover {
  color: #fff;
}

.logo-mark {
  height: 1.75rem;
  width: auto;
  opacity: 0.95;
}

.logo-word {
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: lowercase;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.5rem;
  font-size: 0.8125rem;
  letter-spacing: 0.03em;
}

.nav a {
  color: var(--fg-muted);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.5rem 0.7rem;
}

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

.section {
  padding: clamp(3rem, 8vw, 5.5rem) calc(var(--space) + var(--safe-right)) clamp(3rem, 8vw, 5.5rem) calc(var(--space) + var(--safe-left));
  border-bottom: 1px solid var(--border);
  scroll-margin-top: calc(var(--header-h) + var(--safe-top) + 0.5rem);
}

.section-inner {
  max-width: var(--max);
  margin: 0 auto;
}

.hero {
  padding-top: clamp(3rem, 10vw, 6rem);
  padding-bottom: clamp(3rem, 10vw, 6rem);
  background:
    radial-gradient(ellipse 80% 50% at 50% 0%, rgba(255, 255, 255, 0.03), transparent 70%);
}

.hero-inner {
  text-align: center;
}

.hero-lockup {
  width: min(100%, 18rem);
  margin: 0 auto 2rem;
}

.eyebrow {
  margin: 0 0 0.85rem;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--fg-subtle);
}

h1,
h2 {
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin: 0 0 1.15rem;
  color: var(--fg);
}

h1 {
  font-size: clamp(1.55rem, 4.2vw, 2.2rem);
  font-weight: 400;
}

h2 {
  font-size: clamp(1.1rem, 2.8vw, 1.35rem);
}

.lede {
  margin: 0 auto;
  max-width: 34rem;
  color: var(--fg-muted);
  font-size: clamp(1rem, 2.8vw, 1.05rem);
  line-height: 1.6;
}

.prose p {
  margin: 0 0 1.15rem;
  color: var(--fg-muted);
}

.prose p:last-child {
  margin-bottom: 0;
}

.work-list {
  list-style: none;
  margin: 1.25rem 0 0;
  padding: 0;
}

.work-list li {
  padding: 1.35rem 0;
  border-top: 1px solid var(--border);
}

.work-list li:last-child {
  border-bottom: 1px solid var(--border);
}

.work-title {
  margin: 0 0 0.35rem;
  font-size: 1rem;
  font-weight: 500;
  color: var(--fg);
}

.work-desc {
  margin: 0;
  color: var(--fg-muted);
  font-size: 0.95rem;
}

.contact-email {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  margin-top: 0.35rem;
  padding: 0.35rem 0;
  font-size: clamp(1.1rem, 3.5vw, 1.25rem);
  text-decoration: none;
  border-bottom: 1px solid rgba(208, 208, 204, 0.35);
}

.contact-email:hover {
  border-bottom-color: #fff;
}

.site-footer {
  padding: 2.75rem calc(var(--space) + var(--safe-right)) calc(3rem + var(--safe-bottom)) calc(var(--space) + var(--safe-left));
  text-align: center;
}

.footer-mark {
  height: 1.75rem;
  width: auto;
  margin: 0 auto 1rem;
  opacity: 0.75;
}

.footer-copy {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--fg-subtle);
  letter-spacing: 0.04em;
}

.footer-meta {
  margin: 0.4rem 0 0;
  font-size: 0.75rem;
  color: var(--fg-subtle);
  opacity: 0.7;
}

@media (max-width: 520px) {
  :root {
    --header-h: 6.5rem;
  }

  .site-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.15rem;
  }

  .nav {
    width: 100%;
    gap: 0.15rem 0.25rem;
  }

  .nav a {
    padding: 0.45rem 0.55rem;
    font-size: 0.8rem;
  }

  /* Avoid logo pile-up: header mark+word stays; hide duplicate hero lockup */
  .hero-lockup {
    display: none;
  }

  .hero {
    padding-top: clamp(2.25rem, 8vw, 3.5rem);
    padding-bottom: clamp(2.5rem, 8vw, 3.75rem);
  }

  .section {
    padding-top: clamp(2.5rem, 7vw, 3.5rem);
    padding-bottom: clamp(2.5rem, 7vw, 3.5rem);
  }

  h1 {
    font-size: clamp(1.45rem, 7vw, 1.85rem);
  }

  .lede {
    font-size: 1rem;
    line-height: 1.55;
  }
}

@media (max-width: 360px) {
  .nav a {
    padding: 0.4rem 0.45rem;
    letter-spacing: 0.01em;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  a {
    transition: none;
  }
}