/* KwalaNotes — one-page marketing site */

:root {
  color-scheme: dark;

  --bg: #282828;
  --bg-alt: #2F2F2F;
  --surface: #323232;

  --text: #EDEDED;
  --text-muted: #A3A3A3;
  --heading: #FFFFFF;

  --border: #424242;

  --brand-bg: #121417;
  --brand-border: #2A2D33;

  --accent: #7FB3E0;
  --accent-hover: #A9CCEB;
  --decorative-accent: #4A90C8;

  --button-bg: #2F6FA6;
  --button-hover-bg: #285F8E;
  --button-text: #FFFFFF;

  --accent-contrast: #ffffff;
  --focus: #A9CCEB;
  --radius: 12px;
  --max-width: 1080px;
  --space: 1rem;
}

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

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
}

img,
svg {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

a:hover {
  color: var(--accent-hover);
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
  border-radius: 4px;
}

h1,
h2,
h3,
h4 {
  line-height: 1.25;
  margin: 0 0 0.5em;
  color: var(--heading);
}

h1 {
  font-size: clamp(1.75rem, 5vw, 2.75rem);
}

h2 {
  font-size: clamp(1.4rem, 3.5vw, 2rem);
}

h3 {
  font-size: 1.15rem;
}

h4 {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

p {
  margin: 0 0 1em;
}

ul,
ol {
  margin: 0 0 1em;
  padding-left: 1.25em;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1rem;
}

/* Skip link */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--button-bg);
  color: var(--button-text);
  padding: 0.5rem 1rem;
  z-index: 100;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--brand-border);
  background: var(--brand-bg);
}

.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1rem;
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
}

.brand {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
  text-decoration: none;
}

.brand:hover {
  color: var(--accent);
}

.brand-logo {
  display: block;
  height: 32px;
  width: auto;
  content: url("assets/kwalanotes-logo-white.svg");
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-list a {
  color: var(--accent);
  text-decoration: none;
  font-size: 0.95rem;
}

.nav-list a:hover {
  color: var(--accent);
  text-decoration: underline;
}

/* Hero */
.hero {
  padding: 3rem 0 2.5rem;
  background: var(--bg);
}

.hero h1 {
  max-width: 22ch;
}

.subline {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 55ch;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.5rem 0 1rem;
}

.hero-note {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin: 0;
}

/* Buttons */
.button {
  display: inline-block;
  padding: 0.7rem 1.2rem;
  border-radius: var(--radius);
  font-weight: 600;
  text-decoration: none;
  text-align: center;
  border: 2px solid transparent;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.button-primary {
  background: var(--button-bg);
  color: var(--button-text);
}

.button-primary:hover {
  background: var(--button-hover-bg);
  color: var(--button-text);
}

.button-secondary {
  background: transparent;
  color: var(--accent);
  border-color: var(--accent);
}

.button-secondary:hover {
  background: var(--button-bg);
  border-color: var(--button-bg);
  color: var(--button-text);
}

/* Sections */
.section {
  padding: 2.5rem 0;
}

.section-alt {
  background: var(--bg-alt);
}

.section-intro {
  color: var(--text-muted);
  max-width: 55ch;
}

/* Steps */
.steps {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
  counter-reset: step;
}

.step {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  counter-increment: step;
}

.step h3::before {
  content: counter(step) ". ";
  color: var(--accent);
}

.step p {
  margin: 0;
  color: var(--text-muted);
}

/* Features */
.features {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

.feature {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
}

.feature p {
  margin: 0;
  color: var(--text-muted);
}

/* Notes card */
.notes-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-top: 1.5rem;
}

.notes-card-header {
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.75rem;
  margin-bottom: 1rem;
}

.notes-card-header h3 {
  margin-bottom: 0.25rem;
}

.notes-meta {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0;
}

.notes-block {
  margin-bottom: 1.25rem;
}

.notes-block:last-child {
  margin-bottom: 0;
}

.notes-block p {
  margin: 0;
}

.action-items {
  list-style: none;
  padding: 0;
  margin: 0;
}

.action-items li {
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.action-items li:last-child {
  border-bottom: none;
}

.action-text {
  font-weight: 500;
}

.action-meta {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Pricing */
.pricing-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  max-width: 420px;
  text-align: center;
}

.price {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 0 0.25rem;
}

.price-note {
  color: var(--text-muted);
  margin: 0 0 1rem;
}

/* Privacy */
.privacy-list {
  margin: 1rem 0 0;
  padding-left: 1.25em;
}

.privacy-list li {
  margin-bottom: 0.5rem;
}

/* FAQ */
.faq {
  margin-top: 1.5rem;
  display: grid;
  gap: 0.5rem;
}

.faq details {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
}

.faq summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: "+";
  font-weight: 700;
  color: var(--accent);
  font-size: 1.25rem;
  line-height: 1;
}

.faq details[open] summary::after {
  content: "−";
}

.faq details p {
  margin: 0.75rem 0 0;
  color: var(--text-muted);
}

/* Download */
.download-section {
  text-align: center;
}

.download-section p {
  max-width: 55ch;
  margin-left: auto;
  margin-right: auto;
  color: var(--text-muted);
}

.download-note {
  font-size: 0.85rem;
  margin-top: 0.75rem;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--brand-border);
  background: var(--brand-bg);
  padding: 1.5rem 0;
  font-size: 0.9rem;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  align-items: flex-start;
}

.footer-brand {
  font-weight: 700;
  margin: 0;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1rem;
}

.footer-copy {
  color: var(--text-muted);
  margin: 0;
}

/* Responsive: two-column layouts from 640px up */
@media (min-width: 640px) {
  .steps {
    grid-template-columns: repeat(3, 1fr);
  }

  .features {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-inner {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
  }

  .footer-copy {
    flex-basis: 100%;
  }
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    animation: none !important;
  }
}

/* Home page navigation and transcript example */
html {
  scroll-padding-top: 9rem;
}

.header-inner > nav {
  margin-left: auto;
}

.nav-list {
  align-items: center;
  justify-content: flex-end;
}

.nav-list .button-primary,
.nav-list .button-primary:hover {
  color: var(--button-text);
}

.header-download {
  flex-shrink: 0;
}

.download-cta {
  max-width: 55ch;
}

.cta-row {
  align-items: flex-start;
}

.download-note,
.example-caption {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.download-note {
  margin: 0.5rem 0 0;
}

.sample-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
  margin: 1.5rem 0 0.75rem;
}

.sample-grid .notes-card {
  margin-top: 0;
  min-width: 0;
  overflow-wrap: anywhere;
  border-top: 3px solid var(--decorative-accent);
}

@media (min-width: 640px) {
  .sample-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* Keep the example alongside the introduction on laptop screens. */
.hero-layout {
  display: grid;
  gap: 2rem;
}

.hero-copy,
.hero-example {
  min-width: 0;
}

.language-switch {
  white-space: nowrap;
}

@media (min-width: 901px) {
  .hero-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
    gap: 2.5rem;
  }

  .hero-example h2 {
    font-size: 1.5rem;
  }

  .hero-example .sample-grid {
    grid-template-columns: minmax(0, 1fr);
    margin-top: 1rem;
  }

  .hero-example .notes-card {
    padding: 1rem;
    font-size: 0.9rem;
  }

  .hero-example .notes-card p:last-child {
    margin-bottom: 0;
  }

  .hero-example .notes-block {
    margin-bottom: 0.75rem;
  }
}