/* ============================================================
   misheard.app — design tokens
   ============================================================ */

:root,
[data-theme='light'] {
  /* Type scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 4.75rem);
  --text-hero: clamp(2.75rem, 0.75rem + 6.5vw, 6.75rem);

  /* Spacing (4px base) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Surfaces — warm cream, paper-like */
  --color-bg: #fbf9f4;
  --color-surface: #ffffff;
  --color-surface-2: #fdfcf9;
  --color-surface-offset: #f2efe7;
  --color-surface-offset-2: #eae5d9;
  --color-surface-dynamic: #e3ddcd;
  --color-divider: #e6e1d4;
  --color-border: #ddd6c5;

  /* Text — deep teal-charcoal ink */
  --color-text: #16211f;
  --color-text-muted: #5c6763;
  --color-text-faint: #9aa19d;
  --color-text-inverse: #fbf9f4;

  /* Primary accent — dictation teal */
  --color-primary: #00615d;
  --color-primary-hover: #004946;
  --color-primary-active: #003533;
  --color-primary-highlight: #d8fdfb;

  /* Secondary accent — "misheard" coral */
  --color-coral: #f0466e;
  --color-coral-hover: #d02f56;
  --color-coral-active: #ab2245;
  --color-coral-highlight: #fbdbe2;

  /* Status */
  --color-success: #3f7d3a;
  --color-success-highlight: #dbe9d8;
  --color-error: #ab2245;
  --color-error-highlight: #f4d9e0;

  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  --shadow-sm: 0 1px 2px oklch(0.15 0.02 175 / 0.08);
  --shadow-md: 0 6px 16px oklch(0.15 0.02 175 / 0.10);
  --shadow-lg: 0 20px 48px oklch(0.15 0.02 175 / 0.16);

  --content-narrow: 640px;
  --content-default: 980px;
  --content-wide: 1240px;
  --content-full: 100%;

  --font-display: 'Chillax', 'Poppins', sans-serif;
  --font-body: 'General Sans', 'Helvetica Neue', sans-serif;
}

[data-theme='dark'] {
  --color-bg: #0f1513;
  --color-surface: #161d1a;
  --color-surface-2: #1a2220;
  --color-surface-offset: #1c2422;
  --color-surface-offset-2: #212b28;
  --color-surface-dynamic: #283330;
  --color-divider: #232c29;
  --color-border: #34403b;

  --color-text: #e7e6de;
  --color-text-muted: #9aa39d;
  --color-text-faint: #647069;
  --color-text-inverse: #16211f;

  --color-primary: #61d1cc;
  --color-primary-hover: #8cd9d6;
  --color-primary-active: #aee0de;
  --color-primary-highlight: #194d4a;

  --color-coral: #ff7691;
  --color-coral-hover: #ff93a8;
  --color-coral-active: #ffb0c0;
  --color-coral-highlight: #3a2530;

  --color-success: #8fc487;
  --color-success-highlight: #24352290;
  --color-error: #ff93a8;
  --color-error-highlight: #3a2530;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3);
  --shadow-md: 0 6px 16px oklch(0 0 0 / 0.35);
  --shadow-lg: 0 20px 48px oklch(0 0 0 / 0.5);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #0f1513;
    --color-surface: #161d1a;
    --color-surface-2: #1a2220;
    --color-surface-offset: #1c2422;
    --color-surface-offset-2: #212b28;
    --color-surface-dynamic: #283330;
    --color-divider: #232c29;
    --color-border: #34403b;
    --color-text: #e7e6de;
    --color-text-muted: #9aa39d;
    --color-text-faint: #647069;
    --color-text-inverse: #16211f;
    --color-primary: #61d1cc;
    --color-primary-hover: #8cd9d6;
    --color-primary-active: #aee0de;
    --color-primary-highlight: #194d4a;
    --color-coral: #ff7691;
    --color-coral-hover: #ff93a8;
    --color-coral-active: #ffb0c0;
    --color-coral-highlight: #3a2530;
    --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3);
    --shadow-md: 0 6px 16px oklch(0 0 0 / 0.35);
    --shadow-lg: 0 20px 48px oklch(0 0 0 / 0.5);
  }
}

/* ============================================================
   Layout primitives
   ============================================================ */

.container {
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: var(--space-5);
}
.container--wide {
  max-width: var(--content-wide);
}
.container--narrow {
  max-width: var(--content-narrow);
}

.section {
  padding-block: clamp(var(--space-16), 9vw, var(--space-32));
}
.section--tight {
  padding-block: clamp(var(--space-10), 6vw, var(--space-20));
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.section-head {
  max-width: 46ch;
  margin-bottom: var(--space-12);
}
.section-head h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  margin-top: var(--space-3);
  color: var(--color-text);
}
.section-head p {
  color: var(--color-text-muted);
  margin-top: var(--space-3);
  font-size: var(--text-base);
}

/* ============================================================
   Typography
   ============================================================ */

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  color: var(--color-text);
}

.link-underline {
  text-decoration: underline;
  text-decoration-color: oklch(from var(--color-coral) l c h / 0.5);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
  color: inherit;
}

mark.hl {
  background: none;
  color: var(--color-coral);
  font-style: normal;
}

/* ============================================================
   Buttons
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-sm);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  min-height: 44px;
  white-space: nowrap;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--color-primary);
  color: #fbf9f4;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  box-shadow: var(--shadow-md);
}
.btn-primary:active {
  background: var(--color-primary-active);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border-color: oklch(from var(--color-text) l c h / 0.18);
}
.btn-secondary:hover {
  border-color: oklch(from var(--color-text) l c h / 0.4);
  background: var(--color-surface-offset);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
  padding-inline: var(--space-3);
}
.btn-ghost:hover {
  color: var(--color-text);
}

.btn svg {
  width: 1em;
  height: 1em;
}

/* ============================================================
   Header
   ============================================================ */

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: oklch(from var(--color-bg) l c h / 0.86);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-divider);
  transition:
    transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.header--hidden {
  transform: translateY(-100%);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-4);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-lg);
  color: var(--color-text);
  text-decoration: none;
}
.logo-mark {
  width: 34px;
  height: 34px;
  color: var(--color-primary);
  flex-shrink: 0;
}
.logo .tld {
  color: var(--color-text-faint);
  font-weight: 500;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}
.nav-links a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
}
.nav-links a:hover {
  color: var(--color-text);
}
.mobile-cta {
  display: none;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
}
.icon-btn:hover {
  background: var(--color-surface-offset);
  color: var(--color-text);
}
.icon-btn svg {
  width: 20px;
  height: 20px;
}

.nav-toggle {
  display: none;
}

/* ============================================================
   Hero
   ============================================================ */

.hero {
  padding-block: clamp(var(--space-12), 8vw, var(--space-24)) clamp(var(--space-16), 8vw, var(--space-24));
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(var(--space-10), 6vw, var(--space-20));
  align-items: center;
}
.hero-copy h1 {
  font-size: var(--text-hero);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-top: var(--space-4);
}
.hero-copy .lede {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  margin-top: var(--space-5);
  max-width: 46ch;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-top: var(--space-8);
  flex-wrap: wrap;
}
.hero-actions .btn {
  padding-inline: var(--space-8);
}
.price-note {
  font-size: var(--text-sm);
  color: var(--color-text-faint);
}
.trust-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-10);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}
.trust-row svg {
  width: 18px;
  height: 18px;
  color: var(--color-primary);
  flex-shrink: 0;
}

.hero-visual {
  position: relative;
}
.hero-visual img {
  border-radius: var(--radius-xl);
  width: 100%;
}
.hero-visual::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  pointer-events: none;
}

/* ============================================================
   Clarifier strip
   ============================================================ */

.clarifier {
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
  background: var(--color-surface-offset);
}
.clarifier .container {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding-block: var(--space-5);
  flex-wrap: wrap;
}
.clarifier svg {
  width: 22px;
  height: 22px;
  color: var(--color-coral);
  flex-shrink: 0;
}
.clarifier p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin: 0;
}
.clarifier strong {
  color: var(--color-text);
}

/* ============================================================
   Mishear cards
   ============================================================ */

.mishears {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  align-items: start;
}
.mishear-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}
.mishear-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}
.mishear-card:nth-child(2),
.mishear-card:nth-child(4) {
  margin-left: clamp(0px, 4vw, 32px);
}
.mishear-row {
  display: flex;
  gap: var(--space-3);
  align-items: baseline;
  font-size: var(--text-base);
}
.mishear-row + .mishear-row {
  margin-top: var(--space-2);
}
.mishear-tag {
  flex-shrink: 0;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  width: 4.5rem;
  padding-top: 0.25rem;
  color: var(--color-text-faint);
}
.mishear-row.heard .mishear-tag {
  color: var(--color-coral);
}
.mishear-row.heard span:last-child {
  color: var(--color-text);
  font-weight: 500;
}
.mishear-row.said span:last-child {
  color: var(--color-text-muted);
}

/* ============================================================
   Feature rows (alternating asymmetric)
   ============================================================ */

.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-8), 6vw, var(--space-16));
  align-items: center;
  padding-block: clamp(var(--space-10), 6vw, var(--space-16));
}
.feature-row + .feature-row {
  border-top: 1px solid var(--color-divider);
}
.feature-row.reverse .feature-visual {
  order: 2;
}
.feature-visual img {
  border-radius: var(--radius-lg);
  background: var(--color-surface-offset);
}
.feature-copy .eyebrow {
  margin-bottom: var(--space-3);
}
.feature-copy h3 {
  font-size: var(--text-xl);
  font-weight: 600;
}
.feature-copy p {
  color: var(--color-text-muted);
  margin-top: var(--space-4);
  font-size: var(--text-base);
}
.feature-copy ul {
  margin-top: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.feature-copy li {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  font-size: var(--text-sm);
  color: var(--color-text);
}
.feature-copy li svg {
  width: 18px;
  height: 18px;
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 0.15em;
}

/* ============================================================
   Privacy band
   ============================================================ */

.privacy-band {
  background: var(--color-text);
  color: var(--color-text-inverse);
  border-radius: var(--radius-xl);
  overflow: hidden;
}
[data-theme='dark'] .privacy-band {
  background: var(--color-surface-2);
}
.privacy-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(var(--space-8), 6vw, var(--space-16));
  align-items: center;
  padding: clamp(var(--space-10), 6vw, var(--space-16));
}
.privacy-copy .eyebrow {
  color: #7bd3c8;
}
.privacy-copy h2 {
  color: var(--color-text-inverse);
  font-size: var(--text-xl);
  margin-top: var(--space-3);
}
.privacy-copy > p {
  color: oklch(from var(--color-text-inverse) l c h / 0.72);
  margin-top: var(--space-4);
}
.privacy-list {
  margin-top: var(--space-8);
  display: grid;
  gap: var(--space-5);
}
.privacy-item {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}
.privacy-item svg {
  width: 22px;
  height: 22px;
  color: #7bd3c8;
  flex-shrink: 0;
  margin-top: 0.1em;
}
.privacy-item h4 {
  color: var(--color-text-inverse);
  font-size: var(--text-sm);
  font-weight: 600;
}
.privacy-item p {
  color: oklch(from var(--color-text-inverse) l c h / 0.66);
  font-size: var(--text-sm);
  margin-top: var(--space-1);
}

/* ============================================================
   Pricing
   ============================================================ */

.pricing-card {
  max-width: 440px;
  margin-inline: auto;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-8), 5vw, var(--space-12));
  box-shadow: var(--shadow-md);
  text-align: left;
}
.pricing-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--color-coral-highlight);
  color: var(--color-coral-active);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
}
.pricing-amount {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  margin-top: var(--space-4);
}
.pricing-amount .num {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 600;
}
.pricing-amount .per {
  color: var(--color-text-faint);
  font-size: var(--text-sm);
}
.pricing-card > p.pricing-desc {
  color: var(--color-text-muted);
  margin-top: var(--space-3);
  font-size: var(--text-sm);
}
.pricing-list {
  margin-top: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
}
.pricing-list li {
  display: flex;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text);
}
.pricing-list li svg {
  width: 18px;
  height: 18px;
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 0.15em;
}
.pricing-card .btn {
  width: 100%;
  margin-top: var(--space-8);
}
.pricing-fine {
  text-align: center;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-3);
}

/* ============================================================
   FAQ
   ============================================================ */

.faq-list {
  border-top: 1px solid var(--color-divider);
}
.faq-item {
  border-bottom: 1px solid var(--color-divider);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  text-align: left;
  padding-block: var(--space-5);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-base);
  color: var(--color-text);
}
.faq-question svg {
  width: 20px;
  height: 20px;
  color: var(--color-text-muted);
  flex-shrink: 0;
  transition: transform var(--transition-interactive);
}
.faq-item[data-open='true'] .faq-question svg {
  transform: rotate(45deg);
  color: var(--color-coral);
}
.faq-answer {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.faq-answer p {
  padding-bottom: var(--space-5);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  max-width: 65ch;
}

/* ============================================================
   Footer
   ============================================================ */

.footer {
  border-top: 1px solid var(--color-divider);
  padding-block: var(--space-12);
}
.footer-grid {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-8);
  flex-wrap: wrap;
}
.footer-brand p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  margin-top: var(--space-3);
  max-width: 32ch;
}
.footer-links {
  display: flex;
  gap: var(--space-10);
  flex-wrap: wrap;
}
.footer-col h5 {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: var(--space-3);
}
.footer-col a {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  padding-block: var(--space-1);
}
.footer-col a:hover {
  color: var(--color-text);
}
.footer-bottom {
  margin-top: var(--space-12);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  color: var(--color-text-faint);
  font-size: var(--text-xs);
}

/* ============================================================
   Scroll reveal
   ============================================================ */

.reveal {
  opacity: 0;
  clip-path: inset(0% 0% 15% 0%);
  transition:
    opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
    clip-path 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.is-visible {
  opacity: 1;
  clip-path: inset(0% 0% 0% 0%);
}
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    clip-path: none;
  }
}

/* ============================================================
   Responsive
   ============================================================ */

@media (max-width: 900px) {
  .hero-grid,
  .privacy-grid,
  .mishears {
    grid-template-columns: 1fr;
  }
  .hero-visual {
    order: -1;
  }
  .feature-row,
  .feature-row.reverse {
    grid-template-columns: 1fr;
  }
  .feature-row .feature-visual,
  .feature-row.reverse .feature-visual {
    order: -1;
  }
  .mishear-card:nth-child(2),
  .mishear-card:nth-child(4) {
    transform: none;
  }
}

@media (max-width: 720px) {
  .nav-links {
    display: none;
  }
  .nav-actions .btn-primary {
    display: none;
  }
  .nav-toggle {
    display: inline-flex;
  }
  .nav-links.nav-links--open .mobile-cta {
    display: inline-flex;
    margin-top: var(--space-2);
    align-self: flex-start;
  }
  .footer-grid {
    flex-direction: column;
  }
}