:root {
  /* Hex fallbacks for browsers without oklch() support, overridden below */
  --paper: #fcfbf8;
  --ink: #211f1b;
  --moss: #4b6355;
  --warm-accent: #cba06b;
  --secondary: #f5f2ec;
  --border-soft: #e3ddd0;
  --error: #c0432b;

  --paper: oklch(0.99 0.002 80);
  --ink: oklch(0.22 0.004 80);
  --moss: oklch(0.45 0.05 150);
  --warm-accent: oklch(0.75 0.09 70);
  --secondary: oklch(0.96 0.005 80);
  --border-soft: oklch(0.9 0.01 80);
  --error: oklch(0.577 0.245 27.325);

  --radius-lg: 0.625rem;
  --radius-2xl: 1.0625rem;
  --radius-3xl: 1.5625rem;
  --radius-full: 999px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: 'Inter', ui-sans-serif, system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

.serif {
  font-family: 'Instrument Serif', ui-serif, Georgia, serif;
}

/* Nav */
.nav {
  max-width: 80rem;
  margin: 0 auto;
  padding: 32px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
}

.brand-icon span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--paper);
}

.brand-name {
  font-family: 'Instrument Serif', ui-serif, Georgia, serif;
  font-style: italic;
  font-size: 20px;
  letter-spacing: -0.01em;
}

.nav-links {
  display: none;
  gap: 32px;
  font-size: 14px;
  font-weight: 500;
  color: color-mix(in oklab, var(--ink) 60%, transparent);
}

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

@media (min-width: 768px) {
  .nav-links { display: flex; }
}

/* Main layout */
.main {
  max-width: 80rem;
  margin: 0 auto;
  padding: 12px 24px 96px;
}

.layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 64px;
  align-items: start;
}

@media (min-width: 1024px) {
  .layout {
    grid-template-columns: 7fr 5fr;
  }
  .form-col {
    position: sticky;
    top: 32px;
  }
}

.prefs-layout {
  max-width: 32rem;
  margin: 0 auto;
}

.content-page {
  max-width: 42rem;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.content-page-back {
  font-size: 13px;
  font-weight: 500;
  color: color-mix(in oklab, var(--ink) 55%, transparent);
  text-decoration: none;
}

.content-page-back:hover { color: var(--ink); }

.content-page h1 {
  font-family: 'Instrument Serif', ui-serif, Georgia, serif;
  font-weight: 400;
  font-size: 40px;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0;
}

@media (min-width: 768px) {
  .content-page h1 { font-size: 52px; }
}

.content-page h2 {
  font-family: 'Instrument Serif', ui-serif, Georgia, serif;
  font-style: italic;
  font-weight: 400;
  font-size: 24px;
  margin: 16px 0 0;
}

.content-page p {
  font-size: 17px;
  line-height: 1.7;
  color: color-mix(in oklab, var(--ink) 75%, transparent);
  margin: 0;
}

.content-page p strong {
  color: var(--ink);
}

.content-page .signature {
  font-family: 'Instrument Serif', ui-serif, Georgia, serif;
  font-style: italic;
  font-size: 20px;
  color: var(--ink);
}

.content-page ul {
  margin: 0;
  padding-left: 22px;
  font-size: 17px;
  line-height: 1.7;
  color: color-mix(in oklab, var(--ink) 75%, transparent);
}

.content-page ul li + li {
  margin-top: 4px;
}

.content-page .placeholder {
  background: color-mix(in oklab, var(--warm-accent) 45%, transparent);
  color: var(--ink);
  font-weight: 600;
  padding: 1px 7px;
  border-radius: 5px;
}

.prefs-status {
  text-align: center;
  font-size: 15px;
  color: color-mix(in oklab, var(--ink) 60%, transparent);
  padding: 40px 0;
}

.unsub-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 20px;
}

.unsub-cancel-link {
  text-align: center;
  font-size: 13px;
  color: color-mix(in oklab, var(--ink) 55%, transparent);
  text-decoration: underline;
}

.content-col {
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.hero-header {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.hero-header h1 {
  font-family: 'Instrument Serif', ui-serif, Georgia, serif;
  font-weight: 400;
  font-size: 40px;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0;
}

@media (min-width: 768px) {
  .hero-header h1 { font-size: 60px; }
}

.hero-header p {
  max-width: 56ch;
  font-size: 18px;
  line-height: 1.6;
  color: color-mix(in oklab, var(--ink) 70%, transparent);
  margin: 0;
}

@media (min-width: 768px) {
  .hero-header p { font-size: 20px; }
}

.hero-image {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: var(--radius-2xl);
  box-shadow: 0 0 0 1px rgba(0,0,0,0.05);
  display: block;
}

.usp-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  padding-top: 16px;
}

@media (min-width: 768px) {
  .usp-grid { grid-template-columns: 1fr 1fr; }
}

.usp h3 {
  font-family: 'Instrument Serif', ui-serif, Georgia, serif;
  font-style: italic;
  font-weight: 400;
  font-size: 21px;
  margin: 0 0 12px;
}

.usp p {
  font-size: 14px;
  line-height: 1.5;
  color: color-mix(in oklab, var(--ink) 60%, transparent);
  margin: 0;
}

/* Signup card */
.signup-card {
  display: flex;
  flex-direction: column;
  gap: 32px;
  background: color-mix(in oklab, var(--secondary) 50%, var(--paper) 50%);
  border-radius: var(--radius-3xl);
  box-shadow: 0 0 0 1px rgba(0,0,0,0.05);
  padding: 32px;
}

@media (min-width: 768px) {
  .signup-card { padding: 40px; }
}

.signup-card-head h2 {
  font-family: 'Instrument Serif', ui-serif, Georgia, serif;
  font-weight: 400;
  font-size: 26px;
  letter-spacing: -0.01em;
  margin: 0 0 8px;
}

.signup-card-head p {
  font-size: 14px;
  color: color-mix(in oklab, var(--ink) 60%, transparent);
  margin: 0;
}

.signup-fields {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.field label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: color-mix(in oklab, var(--ink) 40%, transparent);
}

.field input[type="email"],
.field input[type="text"] {
  width: 100%;
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  color: var(--ink);
  background: var(--paper);
  border: none;
  border-radius: var(--radius-lg);
  box-shadow: 0 0 0 1px rgba(0,0,0,0.1);
  padding: 12px 16px;
  outline: none;
  transition: box-shadow 0.15s ease;
}

.field input[type="email"]:focus,
.field input[type="text"]:focus {
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--moss) 40%, transparent);
}

.ticker-field { position: relative; }

.ticker-input-row {
  display: flex;
  gap: 8px;
}

.ticker-input-row input { flex: 1; }

.ticker-input-row button {
  flex-shrink: 0;
  width: 44px;
  border: none;
  border-radius: var(--radius-lg);
  background: var(--moss);
  color: var(--paper);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
}

.ticker-input-row button:hover { opacity: 0.9; }

.ticker-suggestions {
  list-style: none;
  margin: 0;
  padding: 6px;
  position: absolute;
  top: 100%;
  left: 0;
  right: 44px;
  z-index: 20;
  background: var(--paper);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 24px rgba(0,0,0,0.12), 0 0 0 1px rgba(0,0,0,0.08);
  max-height: 260px;
  overflow-y: auto;
}

.ticker-suggestion {
  display: flex;
  flex-direction: column;
  gap: 2px;
  width: 100%;
  text-align: left;
  padding: 8px 10px;
  border: none;
  background: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  font-family: 'Inter', sans-serif;
}

.ticker-suggestion-error {
  padding: 10px;
  font-size: 13px;
  line-height: 1.5;
  color: color-mix(in oklab, var(--ink) 65%, transparent);
  font-style: italic;
}

.ticker-suggestion:hover,
.ticker-suggestion.active {
  background: var(--secondary);
}

.ticker-suggestion .suggestion-main {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
}

.ticker-suggestion .suggestion-main .code {
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  margin-right: 6px;
}

.ticker-suggestion .suggestion-meta {
  font-size: 12px;
  color: color-mix(in oklab, var(--ink) 55%, transparent);
}

.chip .exchange-tag {
  font-size: 10px;
  opacity: 0.75;
  margin-left: -2px;
}

.hint {
  font-size: 12px;
  color: color-mix(in oklab, var(--ink) 45%, transparent);
  margin: 2px 0 0;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  min-height: 40px;
}

.chip {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--moss);
  color: var(--paper);
  border-radius: var(--radius-full);
  padding: 6px 12px;
  font-size: 14px;
  font-weight: 500;
}

.chip button {
  flex-shrink: 0;
  background: none;
  border: none;
  color: inherit;
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  padding: 0;
}

.chip button:hover { color: var(--warm-accent); }

.submit-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  border: none;
  border-radius: var(--radius-lg);
  background: var(--ink);
  color: var(--paper);
  font-size: 14px;
  font-weight: 500;
  padding: 16px 12px;
  cursor: pointer;
  transition: transform 0.1s ease;
}

.submit-button:hover { transform: scale(1.01); }
.submit-button:active { transform: scale(0.98); }
.submit-button:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

.submit-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  font-size: 10px;
}

.form-message {
  display: none;
  text-align: center;
  font-size: 14px;
  margin: 0;
}

.form-message.show { display: block; }
.form-message.ok { color: var(--moss); }
.form-message.error { color: var(--error); }

.fine-print {
  max-width: 30ch;
  margin: 0 auto;
  text-align: center;
  font-size: 11px;
  color: color-mix(in oklab, var(--ink) 40%, transparent);
}

/* Footer */
.footer {
  border-top: 1px solid color-mix(in oklab, var(--ink) 5%, transparent);
  padding: 48px 0 96px;
}

.footer-inner {
  max-width: 80rem;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr;
  align-items: end;
  gap: 48px;
}

@media (min-width: 768px) {
  .footer-inner { grid-template-columns: 1fr 2fr; }
}

.footer-kicker {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: color-mix(in oklab, var(--ink) 30%, transparent);
  margin: 0 0 16px;
}

.footer-tagline p {
  font-size: 14px;
  color: color-mix(in oklab, var(--ink) 50%, transparent);
  margin: 0 0 12px;
}

.footer-disclaimer {
  font-size: 12px !important;
  line-height: 1.6;
  color: color-mix(in oklab, var(--ink) 45%, transparent) !important;
}

.footer-links-col {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 24px;
}

@media (min-width: 768px) {
  .footer-links-col {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
  }
}

.footer-links {
  display: flex;
  gap: 24px;
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: color-mix(in oklab, var(--ink) 40%, transparent);
}

.footer-links a { text-decoration: none; }
.footer-links a:hover { color: var(--ink); }

.footer-copyright {
  font-size: 12px;
  color: color-mix(in oklab, var(--ink) 30%, transparent);
  margin: 0;
}