/* Prism landing page. Shared colors, fonts, spacing, radii, and motion come from
   vendor/auric-design/tokens.css; page layout and sizing live here. */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--auric-color-canvas);
  color: var(--auric-color-text);
  font-family: var(--auric-font-body);
  font-size: 16px;
  line-height: var(--auric-leading-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: var(--auric-color-selection); }

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

a { color: inherit; }

:focus-visible {
  outline: 2px solid var(--auric-color-focus);
  outline-offset: 3px;
  border-radius: 4px;
}

h1, h2, h3 {
  margin: 0;
  font-family: var(--auric-font-display);
  font-weight: var(--auric-weight-medium);
  line-height: var(--auric-leading-heading);
  letter-spacing: -0.02em;
  text-wrap: balance;
}

p { margin: 0; }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--auric-space-6);
}

.narrow { max-width: 820px; }

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

.skip-link {
  position: absolute;
  left: var(--auric-space-4);
  top: -48px;
  z-index: 100;
  padding: var(--auric-space-2) var(--auric-space-4);
  background: var(--auric-color-action);
  color: var(--auric-color-on-action);
  border-radius: var(--auric-radius-small);
}
.skip-link:focus { top: var(--auric-space-4); }

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: saturate(1.4) blur(12px);
  -webkit-backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--auric-motion-standard) var(--auric-motion-ease);
}
.site-header.is-scrolled { border-bottom-color: var(--auric-color-border); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--auric-space-4);
  height: 72px;
}

.brand img { height: 44px; width: auto; }

/* Buttons */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--auric-space-2);
  min-height: 48px;
  padding: 0 var(--auric-space-6);
  border: 0;
  border-radius: var(--auric-radius-pill);
  background: var(--auric-color-action);
  color: var(--auric-color-on-action);
  font: inherit;
  font-weight: var(--auric-weight-medium);
  white-space: nowrap;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--auric-motion-fast) ease, transform var(--auric-motion-fast) ease;
}
.button:hover { background: var(--auric-color-action-hover); }
.button:active { transform: translateY(1px); }
.button[disabled] { opacity: 0.6; cursor: progress; }

.button-small {
  min-height: 40px;
  padding: 0 var(--auric-space-5);
  font-size: 14px;
}

/* Hero */

.hero {
  padding-top: clamp(56px, 10vh, 112px);
  text-align: center;
}

.hero-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 880px;
}

.eyebrow,
.label {
  font-size: 14px;
  font-weight: var(--auric-weight-medium);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--auric-color-accent-text);
}

.hero h1 {
  margin-top: var(--auric-space-4);
  font-size: clamp(44px, 8vw, 88px);
}

.lede {
  margin-top: var(--auric-space-6);
  max-width: 660px;
  font-size: clamp(17px, 1.6vw, 20px);
  line-height: var(--auric-leading-body);
  color: var(--auric-color-text-muted);
}

.fineprint {
  margin-top: var(--auric-space-3);
  font-size: 14px;
  color: var(--auric-color-text-muted);
}

/* Signup form */

.signup {
  width: 100%;
  max-width: 520px;
  margin-top: var(--auric-space-8);
}

.signup-row {
  display: flex;
  gap: var(--auric-space-2);
  padding: 6px;
  background: var(--auric-color-surface);
  border: 1px solid var(--auric-color-border-strong);
  border-radius: var(--auric-radius-pill);
  transition: border-color var(--auric-motion-fast) ease, box-shadow var(--auric-motion-fast) ease;
}
.signup-row:focus-within {
  border-color: var(--auric-color-focus);
  box-shadow: 0 0 0 3px rgba(125, 103, 37, 0.14);
}

.signup input[type="email"] {
  flex: 1;
  min-width: 0;
  padding: 0 var(--auric-space-4);
  border: 0;
  background: transparent;
  color: var(--auric-color-text);
  font: inherit;
  font-size: 16px;
}
.signup input[type="email"]:focus { outline: none; }
.signup input[type="email"]::placeholder { color: var(--auric-color-text-muted); opacity: 0.8; }

.signup .button { min-height: 44px; }

.signup.is-invalid .signup-row { border-color: #b3261e; }

.honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }

.signup-status {
  min-height: 1.65em;
  margin-top: var(--auric-space-2);
  font-size: 14px;
  color: var(--auric-color-text-muted);
}
.signup-status[data-state="error"] { color: #b3261e; }
.signup-status[data-state="success"] { color: var(--auric-color-text); }

.signup.is-done .signup-row { display: none; }
.signup.is-done .signup-status {
  display: inline-flex;
  align-items: center;
  gap: var(--auric-space-2);
  padding: var(--auric-space-3) var(--auric-space-5);
  background: var(--auric-color-surface-muted);
  border: 1px solid var(--auric-color-border);
  border-radius: var(--auric-radius-pill);
  font-size: 15px;
}
.signup.is-done .signup-status::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--auric-color-brand);
}

/* Demo */

.demo-wrap {
  max-width: 1280px;
  margin-top: clamp(48px, 8vh, 80px);
}

.demo {
  position: relative;
  margin: 0;
  overflow: hidden;
  background: var(--auric-color-surface-muted);
  border: 1px solid var(--auric-color-border);
  border-radius: var(--auric-radius-large);
  box-shadow: 0 30px 80px -40px rgba(23, 23, 23, 0.35), 0 2px 6px rgba(23, 23, 23, 0.04);
}

.demo-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 40px;
  padding: 0 var(--auric-space-4);
  border-bottom: 1px solid var(--auric-color-border);
  background: var(--auric-color-surface);
}
.demo-bar .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--auric-color-border);
}
.demo-label {
  margin-left: auto;
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--auric-color-text-muted);
}

.demo-video {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: #f6f6f3;
}

.demo-toggle {
  position: absolute;
  right: var(--auric-space-4);
  bottom: var(--auric-space-4);
  padding: 6px 14px;
  border: 1px solid var(--auric-color-border);
  border-radius: var(--auric-radius-pill);
  background: rgba(255, 255, 255, 0.9);
  color: var(--auric-color-text);
  font: inherit;
  font-size: 13px;
  cursor: pointer;
}

/* Sections */

.section { padding: clamp(72px, 12vw, 128px) 0 0; }

.section h2 { font-size: clamp(30px, 4.4vw, 48px); }

.section-head { margin: 0 auto; text-align: center; }
.section-head h2 { margin-top: var(--auric-space-3); }

.problem .container { text-align: center; }
.problem h2 { margin-top: var(--auric-space-3); }

.body-lg {
  margin: var(--auric-space-6) auto 0;
  max-width: 680px;
  font-size: clamp(16px, 1.4vw, 18px);
  color: var(--auric-color-text-muted);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--auric-space-6);
  margin-top: var(--auric-space-12);
}

.feature {
  padding: var(--auric-space-8);
  background: var(--auric-color-surface-muted);
  border: 1px solid var(--auric-color-border);
  border-radius: var(--auric-radius-large);
}
.feature-num {
  display: block;
  font-family: var(--auric-font-accent);
  font-size: 14px;
  color: var(--auric-color-accent-text);
}
.feature-num::after {
  content: "";
  display: block;
  width: 32px;
  height: 2px;
  margin-top: var(--auric-space-3);
  background: var(--auric-color-brand);
}
.feature h3 {
  margin-top: var(--auric-space-6);
  font-size: 24px;
}
.feature p {
  margin-top: var(--auric-space-3);
  color: var(--auric-color-text-muted);
}

.step-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--auric-space-8);
  margin: var(--auric-space-12) 0 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}
.step {
  position: relative;
  padding-top: var(--auric-space-10);
  border-top: 1px solid var(--auric-color-border);
  counter-increment: step;
}
.step::before {
  content: counter(step);
  position: absolute;
  top: -16px;
  left: 0;
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--auric-color-action);
  color: var(--auric-color-on-action);
  font-family: var(--auric-font-accent);
  font-size: 15px;
}
.step h3 { font-size: 22px; }
.step p { margin-top: var(--auric-space-2); color: var(--auric-color-text-muted); }

/* Join */

.join { padding-bottom: clamp(72px, 12vw, 128px); }

.join-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: clamp(48px, 7vw, 80px);
  padding-bottom: clamp(48px, 7vw, 80px);
  text-align: center;
  background: var(--auric-color-surface-muted);
  border: 1px solid var(--auric-color-border);
  border-radius: var(--auric-radius-large);
}
.join-mark { width: 56px; height: 56px; }
.join h2 { margin-top: var(--auric-space-6); }
.join .body-lg { margin-top: var(--auric-space-4); }
.join .signup { margin-top: var(--auric-space-8); }

/* Footer */

.site-footer {
  border-top: 1px solid var(--auric-color-border);
  padding: var(--auric-space-8) 0;
  font-size: 14px;
  color: var(--auric-color-text-muted);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--auric-space-4);
  flex-wrap: wrap;
}
.footer-brand img { height: 25px; width: auto; }
.site-footer a { text-decoration-color: var(--auric-color-border-strong); text-underline-offset: 3px; }
.site-footer a:hover { color: var(--auric-color-text); }

/* Entrance motion: content stays visible without JavaScript. */

.js .reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity var(--auric-motion-enter) var(--auric-motion-ease),
              transform var(--auric-motion-enter) var(--auric-motion-ease);
}
.js .reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
}

/* Responsive */

@media (max-width: 900px) {
  .feature-grid,
  .step-list { grid-template-columns: 1fr; }
  .step-list { gap: var(--auric-space-10); }
}

@media (max-width: 560px) {
  .container { padding: 0 var(--auric-space-4); }
  .header-inner { height: 64px; }
  .brand img { height: 36px; }
  .button-small { padding: 0 var(--auric-space-4); font-size: 13px; }

  .signup-row {
    flex-direction: column;
    padding: 0;
    border: 0;
    background: transparent;
    border-radius: 0;
  }
  .signup-row:focus-within { box-shadow: none; }
  .signup input[type="email"] {
    min-height: 52px;
    border: 1px solid var(--auric-color-border-strong);
    border-radius: var(--auric-radius-pill);
    background: var(--auric-color-surface);
    text-align: center;
  }
  .signup input[type="email"]:focus { border-color: var(--auric-color-focus); }
  .signup.is-invalid .signup-row { border: 0; }
  .signup.is-invalid input[type="email"] { border-color: #b3261e; }
  .signup .button { width: 100%; min-height: 52px; }

  .demo { border-radius: var(--auric-radius-medium); }
  .demo-bar { height: 32px; }
  .demo-label { font-size: 10px; }
  .feature { padding: var(--auric-space-6); }
  .join-inner { padding-left: var(--auric-space-5); padding-right: var(--auric-space-5); }
  .footer-inner { flex-direction: column; text-align: center; }
}