/* Forage landing page — single viewport, no scroll.
   Colors from the app's stone ramp (src/design-system/tokens/tokens.css);
   accent green is the logo's green (#01C56D), not the app's blue --accent token. */

:root {
  --paper: #eae6de;
  --paper-raised: #f5f2ed;
  --ink: #2a2723;
  --ink-secondary: #4f4a42;
  --ink-tertiary: #6e675c;
  --border: #c9c2b5;

  --accent: #01c56d;
  --accent-hover: #01a75e;
  --accent-active: #018a4f;
  --on-accent: var(--ink);

  --sans: "Space Grotesk", -apple-system, "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  margin: 0;
}

body {
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom)
    env(safe-area-inset-left);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* Header */

.top {
  flex: 0 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  padding: clamp(1rem, 3vh, 2rem) clamp(1.25rem, 4vw, 2.5rem) 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: clamp(0.375rem, 0.6vw, 0.625rem);
}

.wordmark {
  font-weight: 700;
  font-size: clamp(1.5rem, 2.5vw + 1.25rem, 2.75rem);
  letter-spacing: -0.01em;
  line-height: 1;
}

.logomark {
  display: block;
  width: clamp(1.25rem, 1.4vw + 0.9rem, 1.75rem);
  height: auto;
}

.tagline {
  margin: 0;
  white-space: nowrap;
  text-align: right;
  font-size: clamp(0.75rem, 0.6vw + 0.6rem, 0.9375rem);
  color: var(--ink-secondary);
}

/* Center stage */

.stage {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 1rem;
}

.compass {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(0.75rem, 2vh, 1.5rem);
}

.ring {
  --ring-size: clamp(210px, min(60vw, 48vh), 380px);
  width: var(--ring-size);
  height: var(--ring-size);
  position: relative;
}

.ring-ticks,
.ring-face {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.ring-ticks {
  transition: transform 0.15s linear;
}

.ring-ticks .tick {
  stroke: var(--ink-tertiary);
  stroke-width: 1.1;
  stroke-linecap: round;
  opacity: 0.3;
}

.ring-ticks .tick--major {
  stroke-width: 1.4;
}

.ring-halo {
  fill: none;
  stroke: var(--ink-tertiary);
  stroke-opacity: 0.3;
  stroke-width: 1;
  transition:
    stroke 0.2s,
    stroke-opacity 0.2s;
}

.ring-index {
  fill: var(--ink-tertiary);
}

.lamp-bloom,
.lamp-core {
  fill: var(--border);
  transition:
    fill 0.2s,
    fill-opacity 0.2s,
    r 0.2s;
}

.lamp-bloom {
  fill-opacity: 0;
}

.lamp-core {
  fill-opacity: 0.18;
}

.lamp.is-lit .lamp-core {
  fill-opacity: var(--lamp-core-opacity, 1);
}

.lamp.is-lit .lamp-bloom {
  fill-opacity: var(--lamp-bloom-opacity, 0);
}

.lamp.is-lit.is-near .lamp-core {
  filter: drop-shadow(0 0 2.5px currentColor);
}

.ring-centre {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.2em;
  width: 68%;
  height: 68%;
  margin: auto;
  text-align: center;
  padding: 0 0.5rem;
}

.ring-category {
  margin: 0;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.ring-name {
  margin: 0;
  font-size: clamp(0.9375rem, 0.6vw + 0.8rem, 1.125rem);
  font-weight: 600;
  color: var(--ink);
  line-height: 1.2;
}

.ring-distance {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--ink-tertiary);
}

.ring-empty {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--ink-tertiary);
}

.ring-centre.is-aligned .ring-empty {
  display: none;
}

.ring-centre:not(.is-aligned) .ring-category,
.ring-centre:not(.is-aligned) .ring-name,
.ring-centre:not(.is-aligned) .ring-distance {
  display: none;
}

.dial-row {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.375rem;
  width: min(80vw, 20rem);
}

input[type="range"] {
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
  height: 1.5rem;
  background: transparent;
  margin: 0;
}

input[type="range"]::-webkit-slider-runnable-track {
  height: 2px;
  background: var(--border);
  border-radius: 2px;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 1rem;
  height: 1rem;
  margin-top: -0.4375rem;
  border-radius: 50%;
  background: var(--accent);
  border: none;
  cursor: pointer;
}

input[type="range"]::-moz-range-track {
  height: 2px;
  background: var(--border);
  border-radius: 2px;
}

input[type="range"]::-moz-range-thumb {
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  background: var(--accent);
  border: none;
  cursor: pointer;
}

input[type="range"]:focus-visible {
  outline: 2px solid var(--accent-active);
  outline-offset: 4px;
}

.heading-value {
  font-size: 0.75rem;
  letter-spacing: 0.03em;
  color: var(--ink-tertiary);
}

/* Footer / signup */

.bottom {
  flex: 0 0 auto;
  display: flex;
  justify-content: center;
  padding: 0 1.5rem clamp(1.25rem, 4vh, 2.5rem);
}

.signup {
  display: flex;
  align-items: center;
  width: min(92vw, 22rem);
  background: var(--paper-raised);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.375rem 0.375rem 0.375rem 1.25rem;
}

.signup input {
  flex: 1 1 auto;
  min-width: 0;
  border: none;
  background: transparent;
  outline: none;
  font-family: var(--sans);
  font-size: 1rem;
  color: var(--ink);
  padding: 0.625rem 0;
}

.signup input::placeholder {
  color: var(--ink-tertiary);
}

.signup input:focus-visible {
  outline: none;
}

.signup button {
  flex: 0 0 auto;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  border: none;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.signup button svg {
  width: 1.125rem;
  height: 1.125rem;
  stroke: var(--on-accent);
}

.signup button:hover {
  background: var(--accent-hover);
}

.signup button:active {
  background: var(--accent-active);
}

.signup button:focus-visible {
  outline: 2px solid var(--accent-active);
  outline-offset: 2px;
}

@media (max-width: 22rem) {
  .top {
    flex-direction: column;
    gap: 0.375rem;
  }

  .tagline {
    text-align: left;
    max-width: none;
  }
}