@font-face {
  font-family: "Instrument Sans";
  src: url("./assets/fonts/InstrumentSans-Variable.woff2") format("woff2");
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
}
@font-face {
  font-family: "Instrument Sans";
  src: url("./assets/fonts/InstrumentSans-Italic-Variable.woff2") format("woff2");
  font-style: italic;
  font-weight: 400 700;
  font-display: swap;
}
@font-face {
  font-family: "Mona Sans";
  src: url("./assets/fonts/MonaSans-Variable.woff2") format("woff2");
  font-style: normal;
  font-weight: 200 900;
  font-display: swap;
}
@font-face {
  font-family: "Mona Sans";
  src: url("./assets/fonts/MonaSans-Italic-Variable.woff2") format("woff2");
  font-style: italic;
  font-weight: 200 900;
  font-display: swap;
}
@font-face {
  font-family: "Newsreader";
  src: url("./assets/fonts/Newsreader-Variable.woff2") format("woff2");
  font-style: normal;
  font-weight: 200 800;
  font-display: swap;
}
@font-face {
  font-family: "Newsreader";
  src: url("./assets/fonts/Newsreader-Italic-Variable.woff2") format("woff2");
  font-style: italic;
  font-weight: 200 800;
  font-display: swap;
}

:root {
  color-scheme: light;
  --bg: #f4f1e9;
  --bg-raise: #ebe7dc;
  --bg-elev: #faf8f2;
  --text-1: #16140f;
  --text-2: #5e594f;
  --text-3: #756e62;
  --text-4: #908a7d;
  --accent: #16140f;
  --on-accent: #f4f1e9;
  --hairline: rgba(22, 20, 15, 0.09);
  --border-strong: rgba(22, 20, 15, 0.22);
  --focus: rgba(22, 20, 15, 0.55);
  --danger: #c0392b;
  --success: #4f7942;
  --shadow-2: 0 2px 8px rgba(22, 20, 15, 0.09), 0 1px 2px rgba(22, 20, 15, 0.06);
  --shadow-3: 0 8px 24px rgba(22, 20, 15, 0.12), 0 2px 8px rgba(22, 20, 15, 0.07);
  --font-ui: "Instrument Sans", "Mona Sans", -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  --font-display: "Newsreader", Georgia, "Times New Roman", serif;
  --r-outer: 28px;
  --r-inner: 18px;
  --r-control: 12px;
  --pad-card: 10px;
  --ease: cubic-bezier(0.2, 0, 0, 1);
  --t-fast: 120ms;
  --t-base: 180ms;
  --grain: 0.18;
  --max: 1120px;
  --narrow: 680px;
  --image-outline: rgba(0, 0, 0, 0.1);
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --bg: #16140f;
    --bg-raise: #1d1a14;
    --bg-elev: #292620;
    --text-1: #f4f1e9;
    --text-2: rgba(244, 241, 233, 0.72);
    --text-3: rgba(244, 241, 233, 0.48);
    --text-4: rgba(244, 241, 233, 0.34);
    --accent: #f4f1e9;
    --on-accent: #16140f;
    --hairline: rgba(244, 241, 233, 0.08);
    --border-strong: rgba(244, 241, 233, 0.22);
    --focus: rgba(244, 241, 233, 0.55);
    --danger: #e8614f;
    --success: #9db78a;
    --shadow-2: 0 2px 8px rgba(0, 0, 0, 0.35), 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-3: 0 8px 24px rgba(0, 0, 0, 0.42), 0 2px 8px rgba(0, 0, 0, 0.3);
    --grain: 0.16;
    --image-outline: rgba(255, 255, 255, 0.1);
  }

  .brand-mark,
  .footer-mark {
    filter: invert(1);
    opacity: 0.9;
  }
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text-1);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--bg) 92%, transparent), var(--bg-raise)),
    var(--bg);
  font-family: var(--font-ui);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: var(--grain);
  background-image: url("./assets/textures/harken-paper-grain.png");
  background-size: 420px 420px;
  mix-blend-mode: multiply;
}

@media (prefers-color-scheme: dark) {
  body::before {
    mix-blend-mode: soft-light;
  }
}

body > * {
  position: relative;
  z-index: 1;
}

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

a {
  color: inherit;
}

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

.skip-link {
  position: absolute;
  left: 12px;
  top: 12px;
  transform: translateY(-160%);
  padding: 10px 14px;
  min-height: 40px;
  border-radius: var(--r-control);
  background: var(--accent);
  color: var(--on-accent);
  text-decoration: none;
  z-index: 40;
  transition-property: transform;
  transition-duration: var(--t-fast);
  transition-timing-function: var(--ease);
}

.skip-link:focus {
  transform: translateY(0);
}

.shell {
  width: min(var(--max), calc(100% - 40px));
  margin-inline: auto;
}

.shell.narrow {
  width: min(var(--narrow), calc(100% - 40px));
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(10px) saturate(1.1);
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  border-bottom: 1px solid var(--hairline);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 64px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  min-height: 40px;
}

.brand-mark,
.footer-mark {
  border-radius: 8px;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 550;
  letter-spacing: -0.02em;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 4px 8px;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 8px 12px;
  text-decoration: none;
  color: var(--text-2);
  border-radius: 999px;
  transition-property: color, background-color, transform;
  transition-duration: var(--t-fast);
  transition-timing-function: var(--ease);
}

.site-nav a:hover {
  color: var(--text-1);
  background: color-mix(in srgb, var(--text-1) 5%, transparent);
}

.site-nav a:active {
  transform: scale(0.96);
}

.site-nav .nav-cta {
  background: var(--accent);
  color: var(--on-accent);
}

.site-nav .nav-cta:hover {
  background: var(--accent);
  color: var(--on-accent);
  filter: brightness(1.05);
}

.hero {
  padding: clamp(48px, 8vw, 96px) 0 clamp(40px, 6vw, 72px);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: clamp(28px, 5vw, 56px);
  align-items: center;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--text-3);
  font-size: 0.8rem;
  font-weight: 560;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1,
.section-head h2 {
  font-family: var(--font-display);
  font-weight: 550;
  letter-spacing: -0.03em;
  text-wrap: balance;
  margin: 0;
}

.hero h1 {
  font-size: clamp(3.4rem, 8vw, 5.6rem);
  line-height: 0.95;
  margin-bottom: 18px;
}

.lede,
.section-head p,
.plain-list,
.feature-grid p,
.surface-card p,
.provider p,
.form-help,
.hero-note,
.footer-meta,
figcaption {
  text-wrap: pretty;
  color: var(--text-2);
}

.lede {
  margin: 0;
  font-size: clamp(1.05rem, 1.5vw, 1.2rem);
  max-width: 34ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.hero-note {
  margin: 18px 0 0;
  font-size: 0.92rem;
  color: var(--text-3);
  max-width: 42ch;
}

.btn {
  appearance: none;
  border: 0;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  min-width: 44px;
  padding: 0 18px;
  border-radius: var(--r-control);
  font: inherit;
  font-weight: 560;
  text-decoration: none;
  transition-property: transform, background-color, color, box-shadow, filter;
  transition-duration: var(--t-fast);
  transition-timing-function: var(--ease);
}

.btn:active {
  transform: scale(0.96);
}

.btn-primary {
  background: var(--accent);
  color: var(--on-accent);
  box-shadow: var(--shadow-2);
}

.btn-ghost {
  background: transparent;
  color: var(--text-1);
  box-shadow: inset 0 0 0 1px var(--border-strong);
}

.btn-ghost:hover {
  background: color-mix(in srgb, var(--text-1) 5%, transparent);
}

.hero-visual,
.shot-block {
  margin: 0;
}

.product-shot {
  width: 100%;
  border-radius: var(--r-outer);
  outline: 1px solid var(--image-outline);
  outline-offset: -1px;
  box-shadow: var(--shadow-3);
  background: var(--bg-elev);
}

.product-shot.inset {
  border-radius: var(--r-inner);
  margin-top: 16px;
}

.surface-placeholder {
  margin-top: 16px;
  min-height: 160px;
  display: grid;
  place-items: center;
  border-radius: var(--r-inner);
  outline: 1px solid var(--image-outline);
  outline-offset: -1px;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--text-1) 6%, transparent), transparent 55%),
    var(--bg);
  color: var(--text-3);
  font-size: 0.92rem;
  font-weight: 560;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero-visual {
  padding: var(--pad-card);
  border-radius: calc(var(--r-outer) + var(--pad-card));
  background: color-mix(in srgb, var(--bg-elev) 88%, transparent);
  box-shadow: var(--shadow-2);
}

.hero-visual .product-shot {
  border-radius: var(--r-outer);
}

figcaption {
  margin-top: 12px;
  font-size: 0.88rem;
  color: var(--text-3);
}

.band {
  padding: clamp(56px, 8vw, 96px) 0;
}

.band.alt {
  background: color-mix(in srgb, var(--bg-raise) 70%, transparent);
  border-block: 1px solid var(--hairline);
}

.section-head {
  max-width: 42rem;
  margin-bottom: 28px;
}

.section-head h2 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  line-height: 1.1;
  margin-bottom: 12px;
}

.section-head p {
  margin: 0;
  font-size: 1.05rem;
}

.feature-grid,
.provider-grid,
.surface-grid {
  display: grid;
  gap: 16px;
  list-style: none;
  padding: 0;
  margin: 28px 0 0;
}

.feature-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature-grid li,
.provider,
.surface-card {
  padding: 20px;
  border-radius: calc(var(--r-inner) + 8px);
  background: var(--bg-elev);
  box-shadow: inset 0 0 0 1px var(--hairline), var(--shadow-2);
}

.feature-grid h3,
.surface-card h3,
.provider h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
  text-wrap: balance;
}

.feature-grid p,
.surface-card p,
.provider p {
  margin: 0;
}

.surface-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.provider-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.plain-list {
  margin: 0;
  padding-left: 1.15rem;
}

.plain-list li + li {
  margin-top: 10px;
}

code {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.92em;
  padding: 0.1em 0.35em;
  border-radius: 6px;
  background: color-mix(in srgb, var(--text-1) 6%, transparent);
}

.cta-band .section-head {
  margin-bottom: 22px;
}

.waitlist-form {
  display: grid;
  gap: 14px;
  padding: 22px;
  border-radius: calc(var(--r-inner) + 10px);
  background: var(--bg-elev);
  box-shadow: inset 0 0 0 1px var(--hairline), var(--shadow-3);
}

.field {
  display: grid;
  gap: 8px;
}

.field label {
  font-weight: 560;
  color: var(--text-1);
}

.field input {
  width: 100%;
  min-height: 48px;
  padding: 0 14px;
  border-radius: var(--r-control);
  border: 1px solid var(--border-strong);
  background: var(--bg);
  color: var(--text-1);
  font: inherit;
  transition-property: border-color, box-shadow, background-color;
  transition-duration: var(--t-fast);
  transition-timing-function: var(--ease);
}

.field input:focus {
  outline: none;
  border-color: var(--text-1);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--focus) 35%, transparent);
}

.hp {
  position: absolute;
  left: -10000px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-help,
.form-status {
  margin: 0;
  font-size: 0.92rem;
}

.form-status[data-tone="ok"] {
  color: var(--success);
}

.form-status[data-tone="err"] {
  color: var(--danger);
}

.site-footer {
  padding: 36px 0 48px;
  border-top: 1px solid var(--hairline);
}

.footer-inner {
  display: grid;
  gap: 10px;
}

.footer-inner > p:first-child {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.15rem;
}

.footer-meta {
  margin: 0;
  font-size: 0.88rem;
}

.footer-meta a {
  text-decoration: underline;
  text-underline-offset: 2px;
}

@media (max-width: 900px) {
  .hero-grid,
  .feature-grid,
  .surface-grid,
  .provider-grid {
    grid-template-columns: 1fr;
  }

  .site-nav a:not(.nav-cta) {
    display: none;
  }
}

@media (max-width: 560px) {
  .shell,
  .shell.narrow {
    width: calc(100% - 28px);
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
  }
}

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

  *,
  *::before,
  *::after {
    animation: none !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0ms !important;
  }

  .btn:active,
  .site-nav a:active {
    transform: none;
  }
}