/* Bookmarkt landing page.
   Tokens mirror app/src/lib/theme.ts (D-054 tactile redesign, D-062 paper):
   dark-walnut chrome, paper reading surfaces, ink text, gold for primary
   actions. Serif throughout, as in the app; system fonts only - no
   third-party font requests from a page that talks about privacy. */

:root {
  --paper: #f7f4ef;
  --card: #fffdf9;
  --border: #d9d0c1;
  --ink: #191008;
  --muted: #5a4a38;
  --leather: #7d3417;
  --walnut: #2a1c11;
  --walnut-deep: #1b1109;
  --walnut-border: #4a301c;
  --on-walnut: #f2e7ce;
  --on-walnut-muted: #b7a17f;
  --gold: #c9962f;
  --gold-deep: #8a660f;
  --gold-fill: #dcae45;
  --gold-on-fill: #2a1c05;
  --gold-glow: rgba(201, 150, 47, 0.28);

  --serif: Georgia, "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Palatino,
    "Times New Roman", serif;

  --shadow-card: 0 3px 8px rgba(42, 28, 17, 0.18);
  --shadow-button: 0 2px 4px rgba(42, 28, 17, 0.22);
  --header-height: 64px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-padding-top: calc(var(--header-height) + 16px);
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.125rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

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

.container {
  width: 100%;
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 24px;
}

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

/* The hidden attribute must beat display: grid on the form cards. */
[hidden] {
  display: none !important;
}

/* Header: the app's walnut frame. */
.header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--walnut);
  border-bottom: 1px solid var(--walnut-border);
  color: var(--on-walnut);
}

.nav {
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.ribbon {
  width: 14px;
  height: 26px;
  background: var(--gold);
  border-radius: 2px 2px 0 0;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 50% 78%, 0 100%);
}

.wordmark {
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

/* Buttons: tactile objects, as in the app (D-054). */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 26px;
  border-radius: 12px;
  border: 1px solid transparent;
  font-family: var(--serif);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.2;
  white-space: nowrap;
  box-shadow: var(--shadow-button);
}

.btn-gold {
  background: var(--gold-fill);
  border-color: var(--gold-deep);
  color: var(--gold-on-fill);
}

.btn-outline {
  background: transparent;
  border-color: var(--on-walnut-muted);
  color: var(--on-walnut);
  box-shadow: none;
}

.btn-small {
  padding: 9px 16px;
  font-size: 0.95rem;
}

@media (prefers-reduced-motion: no-preference) {
  .btn {
    transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
  }

  .btn:hover {
    transform: translateY(-1px);
  }

  .btn-gold:hover {
    box-shadow: 0 4px 10px var(--gold-glow);
  }
}

.btn-outline:hover {
  background: rgba(242, 231, 206, 0.08);
}

/* Hero */
.hero {
  padding: clamp(64px, 12vw, 128px) 0 clamp(56px, 9vw, 96px);
  text-align: center;
}

.hero-inner {
  max-width: 760px;
}

.eyebrow {
  color: var(--gold-deep);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

h1 {
  font-size: clamp(2.4rem, 6.5vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--walnut);
  margin-bottom: 24px;
}

.lede {
  font-size: clamp(1.15rem, 2.2vw, 1.35rem);
  line-height: 1.6;
  color: var(--muted);
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 16px 24px;
}

.hero-note {
  color: var(--muted);
  font-style: italic;
}

/* Pillars: paper cards resting on the desk. */
.pillars {
  padding: 0 0 clamp(64px, 10vw, 112px);
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 32px 28px;
  box-shadow: var(--shadow-card);
}

.card-mark {
  display: inline-block;
  color: var(--gold-deep);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: 14px;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--gold);
}

.card h3 {
  font-size: 1.35rem;
  line-height: 1.25;
  color: var(--walnut);
  margin-bottom: 12px;
}

.card p {
  font-size: 1.05rem;
  color: var(--muted);
}

/* Promise: a walnut band. */
.promise {
  background: var(--walnut);
  color: var(--on-walnut);
  padding: clamp(56px, 9vw, 96px) 0;
}

.promise-inner {
  max-width: 760px;
}

.promise h2,
.waitlist h2 {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  line-height: 1.2;
  margin-bottom: 28px;
}

.promise-list {
  list-style: none;
  display: grid;
  gap: 20px;
}

.promise-list li {
  position: relative;
  padding-left: 28px;
  color: var(--on-walnut-muted);
}

.promise-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gold);
}

.promise-list strong {
  color: var(--on-walnut);
}

/* Waitlist */
.waitlist {
  padding: clamp(64px, 10vw, 112px) 0;
  text-align: center;
}

.waitlist-inner {
  max-width: 640px;
}

.waitlist h2 {
  color: var(--walnut);
}

.waitlist p {
  color: var(--muted);
  font-size: 1.15rem;
  margin-bottom: 32px;
}

.waitlist-contact {
  margin: 24px 0 0;
  font-size: 1rem;
}

.waitlist-contact a {
  color: var(--gold-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Waitlist page: one paper card holding the form. */
.signup {
  padding: clamp(48px, 9vw, 96px) 0 clamp(64px, 10vw, 112px);
  text-align: center;
}

.signup-inner {
  max-width: 640px;
}

.signup h1 {
  margin-bottom: 20px;
}

.signup .lede {
  margin-bottom: 36px;
}

.form-card {
  text-align: left;
  display: grid;
  gap: 22px;
}

.field {
  display: grid;
  gap: 8px;
  border: 0;
  min-width: 0;
}

.field label,
.field legend {
  font-weight: 700;
  color: var(--walnut);
  font-size: 1rem;
}

.field legend {
  padding: 0;
  margin-bottom: 8px;
}

.optional {
  font-weight: 400;
  color: var(--muted);
  font-style: italic;
}

.field input[type="text"],
.field input[type="email"] {
  width: 100%;
  padding: 13px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.05rem;
  line-height: 1.3;
}

.field input::placeholder {
  color: var(--on-walnut-muted);
  opacity: 1;
}

.field input:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px var(--gold-glow);
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chip {
  position: relative;
  cursor: pointer;
}

.chip input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
}

.chip span {
  display: inline-block;
  padding: 9px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--paper);
  color: var(--muted);
  font-size: 0.98rem;
  font-weight: 700;
}

.chip input:checked + span {
  background: var(--walnut);
  border-color: var(--walnut);
  color: var(--on-walnut);
}

.chip input:focus-visible + span {
  outline: 3px solid var(--gold);
  outline-offset: 2px;
}

/* Honeypot: off-screen for people, present for bots. */
.hp {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-status {
  min-height: 1.4em;
  margin: -6px 0;
  color: var(--muted);
  font-size: 1rem;
}

.form-status:empty {
  display: none;
}

.form-status.is-error {
  color: var(--leather);
  font-weight: 700;
}

.form-card .btn {
  justify-self: start;
}

.form-card .btn:disabled {
  opacity: 0.7;
  cursor: wait;
  transform: none;
}

.fine-print {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.5;
}

.form-done {
  text-align: center;
  justify-items: center;
  gap: 14px;
}

.form-done h2 {
  font-size: clamp(1.6rem, 3.5vw, 2rem);
  line-height: 1.2;
  color: var(--walnut);
}

.form-done p {
  color: var(--muted);
  margin-bottom: 10px;
}

.form-done .btn {
  justify-self: center;
}

noscript .form-status {
  display: block;
  margin-top: 24px;
}

noscript .form-status a {
  color: var(--gold-deep);
  text-decoration: underline;
}

/* Footer */
.footer {
  background: var(--walnut-deep);
  color: var(--on-walnut-muted);
  padding: 28px 0;
  font-size: 0.95rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
}

.footer .wordmark {
  color: var(--on-walnut);
  font-size: 1rem;
}

.footer a:hover {
  color: var(--gold);
}

@media (max-width: 820px) {
  .cards {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .nav .btn-small {
    padding: 8px 12px;
    font-size: 0.9rem;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
}