/* ─────────────────────────────────────────────────────────────
   Konnect AI — components and layout
   Tokens live in tokens.css; reset in reset.css.
   ───────────────────────────────────────────────────────────── */

/* Layout primitives ─────────────────────────────────────────── */

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

.section {
  padding-block: 56px;
}

@media (min-width: 1024px) {
  .section { padding-block: 96px; }
}

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

.section--brand {
  background: var(--color-brand);
  color: #fff;
}
.section--brand h1, .section--brand h2, .section--brand h3 { color: #fff; }
.section--brand a { color: #fff; }

.stack > * + * { margin-top: var(--sp-3); }
.stack-lg > * + * { margin-top: var(--sp-4); }

/* Typography ───────────────────────────────────────────────── */

.display {
  font-size: var(--fs-display);
  line-height: var(--lh-display);
  font-weight: 700;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

h1, .h1 {
  font-size: var(--fs-h1);
  line-height: var(--lh-tight);
  letter-spacing: -0.01em;
  text-wrap: balance;
}

h2, .h2 {
  font-size: var(--fs-h2);
  line-height: var(--lh-h2);
  font-weight: 600;
  text-wrap: balance;
}

h3, .h3 {
  font-size: var(--fs-h3);
  line-height: var(--lh-h3);
  font-weight: 600;
}

.lede {
  font-size: var(--fs-body-lg);
  color: var(--color-ink-muted);
  max-width: 60ch;
}

.muted { color: var(--color-ink-muted); }
.small { font-size: var(--fs-small); }

/* Skip link ────────────────────────────────────────────────── */

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-brand);
  color: #fff;
  padding: 12px 16px;
  border-radius: var(--r-sm);
  z-index: 1000;
  text-decoration: none;
}
.skip-link:focus {
  left: 16px;
  top: 16px;
}

/* Header + nav ─────────────────────────────────────────────── */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--color-brand);
}

.brand-link svg { color: var(--color-brand); }

.brand-wordmark {
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.01em;
  color: var(--color-ink);
}

.nav-links {
  display: none;
  gap: var(--sp-3);
  list-style: none;
  padding: 0;
  margin: 0;
  align-items: center;
}

@media (min-width: 1024px) {
  .nav-links { display: flex; }
}

.nav-link {
  color: var(--color-ink);
  text-decoration: none;
  font-weight: 500;
  padding: 8px 4px;
  display: inline-block;
  position: relative;
}
.nav-link:hover { color: var(--color-brand); }
.nav-link[aria-current="page"] {
  color: var(--color-brand);
}
.nav-link[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 4px;
  right: 4px;
  bottom: -2px;
  height: 2px;
  background: var(--color-brand);
}

.nav-cta { display: none; }
@media (min-width: 1024px) { .nav-cta { display: inline-flex; } }

/* Hamburger ─────────────────────────────────────────────── */

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--r-sm);
  color: var(--color-ink);
}
.nav-toggle:hover { background: var(--color-surface-2); }
@media (min-width: 1024px) { .nav-toggle { display: none; } }

.nav-toggle .icon-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  position: relative;
}
.nav-toggle .icon-bar::before,
.nav-toggle .icon-bar::after {
  content: "";
  position: absolute;
  left: 0;
  width: 22px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform var(--dur) var(--ease), top var(--dur) var(--ease);
}
.nav-toggle .icon-bar::before { top: -7px; }
.nav-toggle .icon-bar::after { top: 7px; }
.nav-toggle[aria-expanded="true"] .icon-bar { background: transparent; }
.nav-toggle[aria-expanded="true"] .icon-bar::before { top: 0; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .icon-bar::after { top: 0; transform: rotate(-45deg); }

/* Mobile drawer ─────────────────────────────────────────── */

.nav-drawer {
  position: fixed;
  inset: 0 0 0 auto;
  width: min(380px, 88vw);
  background: #fff;
  box-shadow: var(--shadow-lg);
  transform: translateX(100%);
  transition: transform var(--dur) var(--ease);
  z-index: 60;
  display: flex;
  flex-direction: column;
  padding: 20px;
  visibility: hidden;
}
.nav-drawer[data-open="true"] {
  transform: translateX(0);
  visibility: visible;
}
.nav-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(11, 18, 32, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--dur) var(--ease);
  z-index: 55;
}
.nav-backdrop[data-open="true"] {
  opacity: 1;
  visibility: visible;
}
.nav-drawer .nav-links {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  margin-top: var(--sp-3);
}
.nav-drawer .nav-link {
  font-size: 18px;
  padding: 12px 0;
  width: 100%;
}
.nav-drawer .nav-cta {
  display: inline-flex;
  margin-top: var(--sp-3);
  width: 100%;
  justify-content: center;
}
.nav-drawer-close {
  align-self: flex-end;
  width: 44px;
  height: 44px;
  border-radius: var(--r-sm);
  color: var(--color-ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.nav-drawer-close:hover { background: var(--color-surface-2); }

body[data-nav-open="true"] { overflow: hidden; }

/* Buttons ──────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  min-width: 120px;
  padding: 0 20px;
  border-radius: var(--r-sm);
  font-weight: 600;
  font-size: var(--fs-body);
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color var(--dur) var(--ease),
              color var(--dur) var(--ease),
              transform var(--dur) var(--ease),
              border-color var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease);
  border: 2px solid transparent;
  user-select: none;
}
.btn:active { transform: translateY(1px); }
.btn[aria-busy="true"], .btn[disabled] { cursor: not-allowed; opacity: 0.7; }

.btn--primary {
  background: var(--color-brand);
  color: #fff;
}
.btn--primary:hover { background: var(--color-brand-strong); color: #fff; }
.btn--primary:active { background: var(--color-brand-strong); }
.btn--primary[disabled] {
  background: var(--color-border-strong);
  color: #fff;
}

.btn--secondary {
  background: transparent;
  color: var(--color-brand);
  border-color: var(--color-brand);
}
.btn--secondary:hover {
  background: var(--color-brand-soft);
  color: var(--color-brand-strong);
}
.btn--secondary[disabled] {
  border-color: var(--color-border-strong);
  color: var(--color-border-strong);
}

.btn--ghost {
  background: transparent;
  color: var(--color-ink);
}
.btn--ghost:hover {
  background: var(--color-surface-2);
  color: var(--color-ink);
}

.btn--lg { height: 56px; padding: 0 24px; font-size: var(--fs-body-lg); }
.btn--sm { height: 40px; padding: 0 16px; font-size: var(--fs-small); }
.btn--block { width: 100%; }

[data-theme="dark"] .btn--primary {
  background: #fff;
  color: var(--color-brand);
}
[data-theme="dark"] .btn--primary:hover { background: var(--color-surface); }
[data-theme="dark"] .btn--secondary {
  border-color: #fff;
  color: #fff;
}
[data-theme="dark"] .btn--secondary:hover { background: rgba(255, 255, 255, 0.1); color: #fff; }

/* Form controls ───────────────────────────────────────── */

.field { display: flex; flex-direction: column; gap: 6px; }
.field-row { display: grid; gap: var(--sp-2); }

@media (min-width: 600px) {
  .field-row { grid-template-columns: repeat(2, 1fr); }
}

.label {
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--color-ink);
}
.label .required { color: var(--color-error); margin-left: 2px; }

.input,
.select,
.textarea {
  height: 48px;
  width: 100%;
  padding: 0 12px;
  font-size: var(--fs-body);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--r-sm);
  background: var(--color-bg);
  color: var(--color-ink);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.textarea { height: auto; min-height: 120px; padding: 12px; resize: vertical; line-height: var(--lh-body); }
.input:hover, .select:hover, .textarea:hover { border-color: var(--color-ink-muted); }
.input:focus-visible, .select:focus-visible, .textarea:focus-visible {
  border-color: var(--color-brand);
  outline: 2px solid var(--color-focus-on-light);
  outline-offset: 1px;
}
.input[aria-invalid="true"],
.select[aria-invalid="true"],
.textarea[aria-invalid="true"] {
  border-color: var(--color-error);
  border-width: 2px;
}
.input[disabled] {
  background: var(--color-surface);
  color: var(--color-ink-muted);
  cursor: not-allowed;
}

.field-error {
  color: var(--color-error);
  font-size: var(--fs-small);
}

.help {
  color: var(--color-ink-muted);
  font-size: var(--fs-small);
}

.checkbox-row {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 12px;
  align-items: start;
}
.checkbox {
  appearance: none;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  border: 2px solid var(--color-border-strong);
  border-radius: 4px;
  background: #fff;
  cursor: pointer;
  display: inline-grid;
  place-content: center;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.checkbox:hover { border-color: var(--color-ink-muted); }
.checkbox:checked {
  background: var(--color-brand);
  border-color: var(--color-brand);
}
.checkbox:checked::after {
  content: "";
  width: 10px;
  height: 6px;
  border: 2px solid #fff;
  border-top: 0;
  border-right: 0;
  transform: rotate(-45deg) translate(1px, -1px);
}
.checkbox[aria-invalid="true"] {
  border-color: var(--color-error);
}

.radio-group { display: grid; gap: 8px; }
.radio-row {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 12px;
  align-items: center;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--r-sm);
  cursor: pointer;
}
.radio-row:hover { border-color: var(--color-border-strong); background: var(--color-surface); }
.radio-row input { accent-color: var(--color-brand); width: 20px; height: 20px; }
.radio-row input:checked + span { font-weight: 600; }

/* Form summary + state ─────────────────────────────── */

.form-error-summary {
  border: 2px solid var(--color-error);
  background: #fff5f5;
  color: var(--color-error);
  border-radius: var(--r-sm);
  padding: 16px;
}
.form-error-summary[hidden] { display: none; }
.form-error-summary h2 { color: var(--color-error); font-size: var(--fs-body-lg); margin-bottom: 8px; }
.form-error-summary ul { margin: 0; padding-left: 20px; }

.honeypot {
  position: absolute;
  left: -9999px;
  top: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
}

/* Cards ──────────────────────────────────────────────── */

.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--r-md);
  padding: var(--sp-3);
  box-shadow: var(--shadow-sm);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
@media (min-width: 1024px) {
  .card { padding: var(--sp-4); }
}
a.card, .card a.card-link { text-decoration: none; color: inherit; display: block; }
a.card:hover, .card:has(a.card-link:hover), .card.is-hoverable:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.card-icon {
  width: 32px;
  height: 32px;
  color: var(--color-brand);
  margin-bottom: 12px;
}
.card-title { margin-bottom: 8px; }
.card-text { color: var(--color-ink-muted); }
.card-arrow {
  display: inline-block;
  margin-top: 12px;
  color: var(--color-brand);
  font-weight: 600;
}

/* Hero ──────────────────────────────────────────────── */

.hero {
  position: relative;
  padding-block: 48px 64px;
}
@media (min-width: 1024px) {
  .hero { padding-block: 96px; }
}
.hero-grid {
  display: grid;
  gap: var(--sp-4);
}
@media (min-width: 1024px) {
  .hero-grid {
    grid-template-columns: 6fr 4fr;
    align-items: center;
    gap: var(--sp-6);
  }
}
.hero-copy { display: flex; flex-direction: column; gap: var(--sp-3); }
.hero-cta {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
@media (min-width: 600px) {
  .hero-cta { flex-direction: row; gap: 16px; }
}
.hero-image {
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--color-surface);
  aspect-ratio: 4 / 3;
}
.hero-image img { width: 100%; height: 100%; object-fit: cover; }

.trust-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  align-items: center;
  margin-top: var(--sp-2);
  font-size: var(--fs-small);
  color: var(--color-ink-muted);
}
.trust-strip svg { color: var(--color-brand); width: 20px; height: 20px; }

.brand-watermark {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  display: grid;
  place-items: center;
  opacity: 0.04;
}
.brand-watermark svg { width: min(80vw, 800px); height: auto; }

/* Steps + grids ─────────────────────────────────────── */

.steps {
  display: grid;
  gap: var(--sp-3);
  counter-reset: step;
}
@media (min-width: 600px) {
  .steps { grid-template-columns: repeat(3, 1fr); }
}
.step {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--r-md);
  padding: var(--sp-3);
  position: relative;
}
.step-number {
  display: inline-flex;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  background: var(--color-brand);
  color: #fff;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  margin-bottom: 12px;
}
.step h3 { margin-bottom: 6px; }
.step p { color: var(--color-ink-muted); }

.feature-grid {
  display: grid;
  gap: var(--sp-3);
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.feature {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.feature-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--r-sm);
  background: var(--color-brand-soft);
  color: var(--color-brand);
  display: inline-grid;
  place-items: center;
}
.feature h3 { font-size: var(--fs-h3); }
.feature p { color: var(--color-ink-muted); }

/* Testimonial ───────────────────────────────────────── */

.testimonial {
  max-width: 720px;
  margin-inline: auto;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--r-md);
  padding: var(--sp-4);
}
.testimonial-quote {
  font-size: var(--fs-body-lg);
  font-style: italic;
  border-left: 3px solid var(--color-brand);
  padding-left: var(--sp-3);
  margin-bottom: var(--sp-3);
}
.testimonial-meta { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar {
  width: 64px;
  height: 64px;
  border-radius: 999px;
  background: var(--color-surface-2);
  flex-shrink: 0;
  overflow: hidden;
}
.testimonial-avatar img { width: 100%; height: 100%; object-fit: cover; }
.testimonial-name { font-weight: 600; }
.testimonial-loc { color: var(--color-ink-muted); font-size: var(--fs-small); }
.testimonial-provenance {
  font-size: 12px;
  font-style: italic;
  color: var(--color-ink-muted);
  margin-top: 6px;
}
.testimonial-stars {
  color: var(--color-warn);
  margin-bottom: 12px;
  display: inline-flex;
  gap: 2px;
}
.testimonial-stars svg { width: 18px; height: 18px; }

/* Blog teaser ──────────────────────────────────────── */

.posts-grid {
  display: grid;
  gap: var(--sp-3);
}
@media (min-width: 600px) {
  .posts-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .posts-grid { grid-template-columns: repeat(3, 1fr); }
}
.post-teaser {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--r-md);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.post-teaser:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); color: inherit; }
.post-teaser-img {
  aspect-ratio: 16 / 9;
  background: var(--color-surface-2);
  overflow: hidden;
}
.post-teaser-img img { width: 100%; height: 100%; object-fit: cover; }
.post-teaser-body { padding: var(--sp-3); display: flex; flex-direction: column; gap: 8px; }
.post-teaser-meta { color: var(--color-ink-muted); font-size: var(--fs-small); }
.post-teaser h3 { color: var(--color-ink); }

/* CTA banner ────────────────────────────────────────── */

.cta-banner {
  background: var(--color-brand);
  color: #fff;
  padding-block: 48px;
  text-align: center;
}
@media (min-width: 1024px) {
  .cta-banner { padding-block: 80px; }
}
.cta-banner h2 { color: #fff; margin-bottom: 16px; }
.cta-banner p { color: rgba(255, 255, 255, 0.9); max-width: 60ch; margin-inline: auto; margin-bottom: var(--sp-3); }

/* Footer ────────────────────────────────────────────── */

.site-footer {
  background: var(--color-ink);
  color: rgba(255, 255, 255, 0.85);
  padding: 56px 0 32px;
}
@media (min-width: 1024px) {
  .site-footer { padding: 80px 0 48px; }
}
.site-footer a { color: #fff; text-decoration: none; }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.site-footer h3 {
  color: #fff;
  font-size: var(--fs-small);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  margin-bottom: 16px;
}
.footer-grid {
  display: grid;
  gap: var(--sp-4);
}
@media (min-width: 720px) {
  .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
}
.footer-brand { display: flex; flex-direction: column; gap: 12px; }
.footer-brand .brand-link { color: #fff; }
.footer-brand .brand-wordmark { color: #fff; }
.footer-address {
  font-style: normal;
  color: rgba(255, 255, 255, 0.85);
  font-size: var(--fs-small);
  line-height: var(--lh-body);
}
.footer-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; }
.footer-bottom {
  margin-top: var(--sp-5);
  padding-top: var(--sp-3);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  font-size: var(--fs-small);
  color: rgba(255, 255, 255, 0.7);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* Tables for legal pages ────────────────────────────── */

.legal-prose {
  max-width: 72ch;
  margin-inline: auto;
}
.legal-prose h2 { margin-top: var(--sp-5); margin-bottom: var(--sp-2); }
.legal-prose h3 { margin-top: var(--sp-4); margin-bottom: var(--sp-2); }
.legal-prose p, .legal-prose ul, .legal-prose ol { margin-bottom: var(--sp-2); }
.legal-prose ul, .legal-prose ol { padding-left: 1.25em; }
.legal-prose li + li { margin-top: 6px; }
.legal-prose .callout {
  border: 1px solid var(--color-border-strong);
  background: var(--color-surface);
  border-left: 4px solid var(--color-brand);
  padding: var(--sp-3);
  border-radius: var(--r-sm);
  margin: var(--sp-3) 0;
}
.legal-prose table {
  border-collapse: collapse;
  width: 100%;
  font-size: var(--fs-small);
}
.legal-prose th, .legal-prose td {
  border: 1px solid var(--color-border);
  padding: 8px 12px;
  text-align: left;
  vertical-align: top;
}
.legal-prose th { background: var(--color-surface); }

.effective {
  font-size: var(--fs-small);
  color: var(--color-ink-muted);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  padding: 8px 12px;
  border-radius: var(--r-sm);
  display: inline-block;
}

/* Progress bar (form) ───────────────────────────────── */

.progress {
  position: sticky;
  top: 64px;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--color-border);
  padding: 12px 0;
  z-index: 30;
}
.progress-bar {
  height: 6px;
  background: var(--color-surface-2);
  border-radius: 999px;
  overflow: hidden;
}
.progress-bar > span {
  display: block;
  height: 100%;
  background: var(--color-brand);
  width: 25%;
  transition: width var(--dur) var(--ease);
}
.progress-label {
  font-size: var(--fs-small);
  color: var(--color-ink-muted);
  margin-bottom: 6px;
  display: flex;
  justify-content: space-between;
}

.fieldset {
  border: 0;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}
.fieldset legend {
  font-size: var(--fs-h2);
  font-weight: 600;
  margin-bottom: var(--sp-2);
}

/* Utility ──────────────────────────────────────────── */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.center { text-align: center; }
.flow > * + * { margin-top: var(--sp-3); }
.gap-4 { gap: var(--sp-4); }
.mt-4 { margin-top: var(--sp-4); }
.mt-5 { margin-top: var(--sp-5); }
.mb-4 { margin-bottom: var(--sp-4); }

.eyebrow {
  display: inline-block;
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-ink);
  margin-bottom: 8px;
}

.section-head { margin-bottom: var(--sp-4); max-width: 60ch; }

@media (min-width: 1024px) {
  .section-head { margin-bottom: var(--sp-5); }
}

.bg-soft { background: var(--color-surface); }
.bg-brand-soft { background: var(--color-brand-soft); }