/* Tokens */
:root {
  --color-ink: #1f2328;
  --color-ink-soft: #4b515b;
  --color-ink-faint: #6b717b;
  --color-silver: #e2e5e9;
  --color-pewter: #c6cbd2;
  --color-pearl: #f8f9fa;
  --color-glass: rgb(255 255 255 / 0.62);
  --color-glass-strong: rgb(255 255 255 / 0.85);
  --color-glass-edge: rgb(255 255 255 / 0.8);
  --color-line: rgb(31 35 40 / 0.12);
  --color-brand: #fdc828;
  --color-brand-soft: #fff1c4;
  --color-brand-glow: rgb(253 200 40 / 0.35);
  --color-live: #22a06b;
  --color-live-soft: rgb(34 160 107 / 0.14);
  --color-live-ink: #146c48;
  --color-silver-deep: #d9dde4;
  --color-underline: rgb(31 35 40 / 0.3);
  --color-header: rgb(226 229 233 / 0.72);
  --color-shade: rgb(31 35 40 / 0.08);
  --color-blush: #f2e3df;
  --color-sky: #cedced;
  --color-lilac: #dcd9ed;

  --font: "Hanken Grotesk", system-ui, sans-serif;
  --text-sm: 0.9375rem;
  --text-base: clamp(1.0625rem, 1rem + 0.3vw, 1.1875rem);
  --text-lead: clamp(1.1875rem, 1.05rem + 0.6vw, 1.4375rem);
  --text-h3: 1.25rem;
  --text-h2: clamp(2rem, 1.4rem + 2.6vw, 3.25rem);
  --text-h1: clamp(2.75rem, 1.6rem + 5.2vw, 5.25rem);

  --space-xs: 0.5rem;
  --space-s: 1rem;
  --space-m: 1.5rem;
  --space-l: 2.5rem;
  --space-xl: clamp(4rem, 3rem + 5vw, 7.5rem);

  --radius-s: 0.75rem;
  --radius-m: 1.25rem;
  --radius-l: 1.75rem;
  --radius-pill: 999px;

  --width: 72rem;
  --width-narrow: 46rem;
  --gutter: clamp(1rem, 0.5rem + 2.5vw, 2rem);

  --shadow-soft: 0 18px 60px var(--color-shade), inset 0 1px 0 var(--color-glass-edge);
  --shadow-float: 0 30px 80px var(--color-shade), 0 2px 6px var(--color-shade), inset 0 1px 0 var(--color-glass-edge);
  --shadow-lift: 0 8px 24px var(--color-shade);
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  margin: 0;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  color: var(--color-ink);
  font-family: var(--font);
  font-size: var(--text-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  background-color: var(--color-silver);
  background-image:
    radial-gradient(ellipse 40% 30% at 75% 6%, var(--color-brand-glow), transparent 70%),
    radial-gradient(ellipse 60% 40% at 20% 8%, var(--color-pearl), transparent 70%),
    radial-gradient(ellipse 50% 35% at 85% 12%, var(--color-sky), transparent 70%),
    radial-gradient(ellipse 55% 30% at 10% 45%, var(--color-blush), transparent 70%),
    radial-gradient(ellipse 50% 30% at 90% 60%, var(--color-lilac), transparent 70%),
    radial-gradient(ellipse 60% 30% at 30% 90%, var(--color-sky), transparent 70%),
    linear-gradient(170deg, var(--color-silver), var(--color-silver-deep));
}

main { flex: 1; }

h1, h2, h3 {
  margin: 0;
  line-height: 1.05;
  letter-spacing: -0.035em;
  font-weight: 800;
  text-wrap: balance;
}

h1 { font-size: var(--text-h1); }
h2 { font-size: var(--text-h2); }
h3 { font-size: var(--text-h3); line-height: 1.25; letter-spacing: -0.02em; font-weight: 700; }

p { margin: 0; text-wrap: pretty; }

a {
  color: inherit;
  text-decoration: underline;
  text-decoration-color: var(--color-underline);
  text-decoration-thickness: 1.5px;
  text-underline-offset: 0.22em;
  transition: text-decoration-color 0.2s ease;
}

a:hover { text-decoration-color: var(--color-ink); }

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

.skip-link {
  position: absolute;
  left: var(--gutter);
  top: -4rem;
  z-index: 20;
  padding: var(--space-xs) var(--space-s);
  background: var(--color-ink);
  color: var(--color-pearl);
  border-radius: var(--radius-s);
}

.skip-link:focus { top: var(--space-s); }

/* Layout */
.container {
  width: 100%;
  max-width: var(--width);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.narrow { max-width: var(--width-narrow); }

.section { padding-block: var(--space-xl); }

.section__head {
  max-width: 42rem;
  margin-bottom: var(--space-l);
  display: grid;
  gap: var(--space-s);
}

.section--panel > .container {
  padding-block: clamp(2.5rem, 2rem + 3vw, 4.5rem);
  background: var(--color-glass);
  border: 1px solid var(--color-glass-edge);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-soft);
  max-width: calc(var(--width) - 2 * var(--gutter));
  width: calc(100% - 2 * var(--gutter));
}

/* Header and footer */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: var(--space-m);
  padding: 0.875rem var(--gutter);
  background: var(--color-header);
  backdrop-filter: blur(14px) saturate(1.4);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
  border-bottom: 1px solid var(--color-glass-edge);
}

.logo {
  width: 2rem;
  height: 2rem;
  flex: none;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  min-height: 2.75rem;
  font-weight: 800;
  font-size: 1.375rem;
  letter-spacing: -0.04em;
  text-decoration: none;
}

.site-nav {
  display: flex;
  gap: var(--space-m);
  margin-left: auto;
  font-size: var(--text-sm);
  font-weight: 500;
}

.site-nav a { text-decoration: none; color: var(--color-ink-soft); }
.site-nav a:hover { color: var(--color-ink); }

.site-footer {
  margin-top: var(--space-xl);
  padding: var(--space-l) var(--gutter) var(--space-m);
  border-top: 1px solid var(--color-line);
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

.site-footer__inner {
  max-width: var(--width);
  margin-inline: auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-l);
}

.site-footer__brand { display: grid; gap: var(--space-xs); max-width: 22rem; }
.site-footer__brand .wordmark { color: var(--color-ink); }

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  align-content: start;
  gap: var(--space-xs) var(--space-m);
}

.site-footer__links a {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  text-decoration: none;
}
.site-footer__links a:hover { text-decoration: underline; }

.site-footer__legal {
  max-width: var(--width);
  margin: var(--space-l) auto 0;
  font-size: 0.8125rem;
  color: var(--color-ink-faint);
}

/* Shared components */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.75rem 1.5rem;
  border: 1px solid var(--color-ink);
  border-radius: var(--radius-pill);
  background: var(--color-ink);
  color: var(--color-pearl);
  font: inherit;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.01em;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-lift);
}

.btn--brand {
  background: var(--color-brand);
  color: var(--color-ink);
  border-color: var(--color-brand);
}

.btn--ghost {
  background: var(--color-glass-strong);
  color: var(--color-ink);
  border-color: var(--color-glass-edge);
}

.btn--small {
  min-height: 2.75rem;
  padding: 0.5rem 1.125rem;
  font-size: var(--text-sm);
}

.actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }

.eyebrow {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-ink-soft);
}

.lead { font-size: var(--text-lead); color: var(--color-ink-soft); line-height: 1.5; }

.soft { color: var(--color-ink-soft); }

/* A yellow marker stroke under a phrase */
.marked {
  background: linear-gradient(transparent 62%, var(--color-brand) 62%, var(--color-brand) 90%, transparent 90%);
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}

.cards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 19rem), 1fr));
  gap: var(--space-s);
}

.card {
  display: grid;
  align-content: start;
  gap: 0.625rem;
  padding: var(--space-m);
  background: var(--color-glass);
  border: 1px solid var(--color-glass-edge);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-soft);
}

.card p { color: var(--color-ink-soft); }

.card__num {
  justify-self: start;
  padding: 0.125rem 0.5rem;
  border-radius: var(--radius-pill);
  background: var(--color-brand-soft);
  font-size: 0.8125rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr));
  gap: var(--space-l);
}

.step { display: grid; align-content: start; gap: 0.625rem; }
.step p { color: var(--color-ink-soft); }

.step__num {
  display: grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  margin-bottom: 0.375rem;
  border-radius: 50%;
  background: var(--color-brand);
  color: var(--color-ink);
  font-weight: 800;
}

/* Form */
.form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-s);
  padding: clamp(1.25rem, 1rem + 2vw, 2.25rem);
  background: var(--color-glass-strong);
  border: 1px solid var(--color-glass-edge);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-soft);
}

.field {
  display: grid;
  gap: 0.375rem;
  font-size: var(--text-sm);
  font-weight: 700;
}

.field--wide { grid-column: 1 / -1; }

.field input,
.field textarea {
  width: 100%;
  padding: 0.75rem 0.875rem;
  font: inherit;
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-ink);
  background: var(--color-pearl);
  border: 1px solid var(--color-pewter);
  border-radius: var(--radius-s);
}

.field textarea { resize: vertical; }

.field input:focus,
.field textarea:focus {
  outline: 2px solid var(--color-ink);
  outline-offset: 1px;
  border-color: transparent;
}

.field ::placeholder { color: var(--color-ink-faint); }

.form__note { font-size: 0.875rem; color: var(--color-ink-soft); }

/* Home: hero */
.hero {
  max-width: var(--width);
  margin-inline: auto;
  padding: clamp(3rem, 2rem + 5vw, 6.5rem) var(--gutter) var(--space-l);
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: clamp(2rem, 1rem + 4vw, 4.5rem);
  align-items: center;
}

.hero__text { display: grid; gap: var(--space-m); animation: rise 0.9s cubic-bezier(0.2, 0.7, 0.2, 1) both; }
.hero__text h1 { text-shadow: 0 1px 0 var(--color-glass-edge); }
.hero__text .actions { margin-top: var(--space-xs); }

.hero--single { grid-template-columns: minmax(0, 46rem); min-height: 60svh; }

.chat {
  margin: 0;
  display: grid;
  gap: 0.875rem;
  padding: var(--space-m);
  background: var(--color-glass);
  border: 1px solid var(--color-glass-edge);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-float);
  animation: rise 0.9s 0.15s cubic-bezier(0.2, 0.7, 0.2, 1) both;
}

.chat__bar {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding-bottom: 0.875rem;
  border-bottom: 1px solid var(--color-line);
  font-weight: 700;
}

.chat__wave {
  transform-origin: 45% 75%;
  animation: wave 1.8s ease-in-out 0.8s 1 both;
}

.chat__status {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-ink-soft);
}

.chat__status::before {
  content: "";
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--color-live);
}

.bubble {
  max-width: 88%;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-m);
  font-size: 1rem;
  line-height: 1.45;
}

.bubble--owner {
  justify-self: end;
  background: var(--color-ink);
  color: var(--color-pearl);
  border-bottom-right-radius: 0.375rem;
}

.bubble--hand {
  background: var(--color-glass-strong);
  border: 1px solid var(--color-glass-edge);
  border-bottom-left-radius: 0.375rem;
}

.chat__draft {
  justify-self: start;
  display: inline-flex;
  gap: 0.5rem;
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius-pill);
  background: var(--color-live-soft);
  color: var(--color-live-ink);
  font-size: 0.875rem;
  font-weight: 700;
}

.chat figcaption {
  font-size: 0.8125rem;
  color: var(--color-ink-faint);
  text-align: right;
}

/* Home: mission, contact */
.mission .container { display: grid; gap: var(--space-m); }

.mission__text {
  font-size: clamp(1.5rem, 1.1rem + 1.6vw, 2.25rem);
  line-height: 1.3;
  letter-spacing: -0.025em;
  font-weight: 500;
}

.mission__text + .mission__text { color: var(--color-ink-soft); }

.signup__inner {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(2rem, 1rem + 4vw, 4.5rem);
  align-items: start;
}

.signup__intro { display: grid; gap: var(--space-s); }
.signup__intro p:not(.eyebrow) { color: var(--color-ink-soft); font-size: var(--text-lead); line-height: 1.5; }
.signup__intro a {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  color: var(--color-ink);
  font-weight: 700;
}

/* Legal pages */
.legal {
  width: calc(100% - 2 * var(--gutter));
  max-width: 50rem;
  margin: var(--space-l) auto 0;
  padding: clamp(1.25rem, 4vw, 3rem);
  background: var(--color-glass);
  border: 1px solid var(--color-glass-edge);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-soft);
  overflow-wrap: anywhere;
}

.legal__head { display: grid; gap: var(--space-xs); }
.legal__head h1 { font-size: var(--text-h2); margin-bottom: var(--space-xs); }
.legal__meta { font-size: var(--text-sm); color: var(--color-ink-soft); }

.legal__contents {
  margin-block: var(--space-l);
  padding-block: var(--space-m);
  border-block: 1px solid var(--color-line);
}

.legal__contents h2 { font-size: 1rem; letter-spacing: 0; margin-bottom: var(--space-s); }

.legal__contents ol {
  margin: 0;
  padding-left: 1.35rem;
  columns: 2 16rem;
  column-gap: var(--space-l);
  font-size: var(--text-sm);
}

.legal__contents li { margin-bottom: 0.25rem; break-inside: avoid; }
.legal__contents a { display: inline-block; padding-block: 0.5rem; }

.legal__body h2 { margin: 2.75rem 0 0.9rem; font-size: 1.5rem; line-height: 1.3; }
.legal__body h3 { margin: 1.5rem 0 0.5rem; }
.legal__body p { margin-bottom: var(--space-s); }
.legal__body ul { padding-left: 1.4rem; margin-block: var(--space-s); }
.legal__body li { margin-bottom: 0.7rem; }
.legal__body strong { font-weight: 700; }

.notice {
  margin-block: var(--space-m);
  padding: var(--space-m);
  background: var(--color-glass-strong);
  border: 1px solid var(--color-glass-edge);
  border-left: 4px solid var(--color-brand);
  border-radius: var(--radius-s);
}

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

/* Motion */
@keyframes rise {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: none; }
}

@keyframes wave {
  0%, 60%, 100% { transform: rotate(0deg); }
  10% { transform: rotate(16deg); }
  20% { transform: rotate(-8deg); }
  30% { transform: rotate(14deg); }
  40% { transform: rotate(-4deg); }
  50% { transform: rotate(10deg); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero__text, .chat, .chat__wave { animation: none; }
}

/* Breakpoints */
@media (max-width: 900px) {
  .hero, .signup__inner { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 640px) {
  .site-nav { display: none; }
  .site-header .btn { margin-left: auto; }
  .form { grid-template-columns: minmax(0, 1fr); }
}

:where(img[data-bh-image]){max-width:100%;height:auto}