/* ============================================================
   LaunchReach AI — Industrial Precision (Gobvantage aligned)
   ============================================================ */

:root {
  /* Surface hierarchy — tonal shifts, no 1px borders */
  --background:                 #f7f9fb;
  --surface:                    #f7f9fb;
  --surface-container-low:      #f0f4f7;
  --surface-container-lowest:   #ffffff;
  --surface-container-highest:  #d9e4ea;
  --surface-variant:            #dce6ec;

  /* Primary palette */
  --primary:                    #4b6171;
  --primary-dim:                #3f5564;
  --primary-container:          #cee6f8;
  --on-primary:                 #f2f8ff;
  --on-primary-container:       #0d2535;

  /* Ink */
  --on-surface:                 #2a3439;
  --on-surface-variant:         #4a5c65;
  --on-background:              #2a3439;

  /* Outline (15% only) */
  --outline:                    #6b7d85;
  --outline-variant:            #a9b4b9;

  /* Semantic */
  --error:                      #9f403d;
  --error-container:            #fe8983;
  --on-error:                   #ffffff;
  --success:                    #2e6b4f;
  --success-container:          #b7f0d4;
  --warning:                    #7a5c1e;
  --warning-container:          #fde8a0;

  --gradient-primary:           linear-gradient(135deg, #4b6171, #3f5564);
  --gradient-soft:              linear-gradient(135deg, #f0f4f7, #cee6f8);

  /* Type scale */
  --font-sans:                  var(--font-inter, 'Inter'), -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono:                  var(--font-jet, 'JetBrains Mono'), 'SF Mono', Monaco, 'Cascadia Code', monospace;

  --text-display-xl:            4rem;
  --text-display-lg:            3rem;
  --text-headline-lg:           2.25rem;
  --text-headline-md:           1.625rem;
  --text-headline-sm:           1.25rem;
  --text-title-lg:              1.125rem;
  --text-title-md:              1rem;
  --text-body-md:               0.9375rem;
  --text-body-sm:               0.8125rem;
  --text-label-md:              0.75rem;
  --text-label-sm:              0.6875rem;

  --tracking-tighter:           -0.022em;
  --tracking-label:              0.06em;
  --leading-body:                1.6;

  /* Spacing */
  --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;

  /* Radii — industrial */
  --radius-xs:   0.1875rem;
  --radius-sm:   0.25rem;
  --radius-md:   0.375rem;
  --radius-lg:   0.5rem;

  /* Shadows — ambient */
  --shadow-sm:   0 2px 8px  rgba(42, 52, 57, 0.04);
  --shadow-md:   0 4px 24px rgba(42, 52, 57, 0.06);
  --shadow-lg:   0 8px 48px rgba(42, 52, 57, 0.08);
  --shadow-focus: 0 0 0 3px rgba(75, 97, 113, 0.18);

  --transition-fast:   150ms ease;
  --transition-medium: 240ms ease;
  --transition-slow:   360ms ease;

  --container-max:  1200px;
  --container-pad:  var(--space-6);
  --nav-height:     4rem;

  --glass-bg:   rgba(247, 249, 251, 0.78);
  --glass-blur: 24px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-body-md);
  color: var(--on-surface);
  background: var(--background);
  line-height: var(--leading-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main { flex: 1; }

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover { color: var(--primary-dim); }

img, svg { display: block; max-width: 100%; height: auto; }
button { font-family: inherit; cursor: pointer; }
input, textarea, select { font-family: inherit; font-size: 1rem; color: inherit; }
ul, ol { list-style: none; }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-sans);
  color: var(--on-surface);
  line-height: 1.15;
  letter-spacing: var(--tracking-tighter);
  font-weight: 700;
}

p { color: var(--on-surface-variant); line-height: var(--leading-body); }

/* ============================================================
   LAYOUT
   ============================================================ */

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

.container-narrow { max-width: 880px; margin: 0 auto; padding: 0 var(--container-pad); }

/* ============================================================
   UTILITY BAR
   ============================================================ */

.utility-bar {
  background: var(--on-surface);
  color: #c9d3da;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.utility-bar-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 8px var(--container-pad);
  display: flex;
  justify-content: space-between;
  gap: 16px;
}
.utility-bar a { color: #c9d3da; }
.utility-bar a:hover { color: #fff; }
.util-meta { display: flex; gap: 18px; }
.util-meta > span:nth-child(2) { display: none; }
@media (min-width: 768px) {
  .util-meta > span:nth-child(2) { display: inline; }
}
.blink {
  display: inline-block;
  width: 8px; height: 8px;
  background: #2e9a6c;
  margin-right: 8px;
  animation: blink 1.6s infinite;
}
@keyframes blink {
  0%, 50% { opacity: 1; }
  50.01%, 100% { opacity: 0.25; }
}

/* ============================================================
   SITE NAV
   ============================================================ */

.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  height: var(--nav-height);
  display: flex;
  align-items: center;
}
.site-nav-inner {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand-lockup {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--on-surface);
}
.brand-lockup:hover { color: var(--on-surface); }
.brand-mark {
  width: 36px; height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.brand-mark svg { display: block; width: 100%; height: 100%; }
.wordmark {
  font-weight: 700;
  letter-spacing: -0.02em;
  font-size: 15px;
  line-height: 1;
}
.wordmark sup { font-size: 9px; font-weight: 500; opacity: 0.55; margin-left: 2px; }
.brand-tagline {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--on-surface-variant);
  margin-top: 2px;
  display: block;
}
.nav-links {
  display: none;
  align-items: center;
  gap: var(--space-2);
}
@media (min-width: 768px) {
  .nav-links { display: flex; }
}
.nav-link {
  font-size: var(--text-body-md);
  font-weight: 500;
  color: var(--on-surface-variant);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}
.nav-link:hover {
  color: var(--on-surface);
  background: var(--surface-container-low);
}
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--on-surface);
  color: var(--background);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: var(--text-body-md);
  margin-left: var(--space-2);
  transition: background var(--transition-fast);
}
.nav-cta:hover { background: var(--primary-dim); color: var(--background); }

/* ============================================================
   BUTTONS
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0.75rem 1.25rem;
  font-size: var(--text-body-md);
  font-weight: 600;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
  line-height: 1.2;
}
.btn:focus-visible { outline: none; box-shadow: var(--shadow-focus); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn:active:not(:disabled) { transform: translateY(1px); }

.btn-primary { background: var(--primary); color: var(--on-primary); }
.btn-primary:hover:not(:disabled) { background: var(--primary-dim); color: var(--on-primary); }

.btn-ink { background: var(--on-surface); color: var(--background); }
.btn-ink:hover:not(:disabled) { background: var(--primary-dim); color: var(--background); }

.btn-outline {
  background: transparent;
  color: var(--on-surface);
  box-shadow: inset 0 0 0 1.5px var(--on-surface);
}
.btn-outline:hover:not(:disabled) { background: var(--on-surface); color: var(--background); }

.btn-ghost { background: transparent; color: var(--on-surface-variant); }
.btn-ghost:hover:not(:disabled) { background: var(--surface-container-low); color: var(--on-surface); }

.btn-danger { background: var(--error); color: var(--on-error); }

.btn-light { background: var(--background); color: var(--on-surface); }
.btn-light:hover:not(:disabled) { background: var(--surface-container-low); }

.btn-sm { padding: 8px 14px; font-size: var(--text-body-sm); }
.btn-lg { padding: 14px 22px; font-size: var(--text-title-md); }
.btn-block, .btn-full { width: 100%; }

.btn .arrow { transition: transform var(--transition-fast); }
.btn:hover .arrow { transform: translateX(3px); }

/* ============================================================
   FORMS
   ============================================================ */

.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: var(--space-5); }
.form-label {
  font-size: var(--text-label-md);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--tracking-label);
  color: var(--on-surface-variant);
}
.form-input, .form-select, .form-textarea {
  font-family: var(--font-sans);
  font-size: var(--text-body-md);
  color: var(--on-surface);
  background: var(--surface-container-highest);
  border: none;
  border-bottom: 2px solid transparent;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  padding: 12px 14px;
  width: 100%;
  outline: none;
  transition: background var(--transition-fast), border-color var(--transition-fast);
  line-height: var(--leading-body);
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  background: var(--surface-container-lowest);
  border-bottom-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(75, 97, 113, 0.10);
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--outline-variant); }
.form-textarea { resize: vertical; min-height: 7rem; }
.form-input.error { border-bottom-color: var(--error); background: rgba(254, 137, 131, 0.10); }
.form-error { color: var(--error); font-size: var(--text-label-md); margin-top: 4px; }
.form-hint { color: var(--on-surface-variant); font-size: var(--text-label-md); }

/* ============================================================
   CARDS
   ============================================================ */

.card {
  background: var(--surface-container-lowest);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-medium), transform var(--transition-medium);
}
.card-hover:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.card-flat { background: var(--surface-container-low); border-radius: var(--radius-md); padding: var(--space-6); }
.card-bare { padding: var(--space-6); border-radius: var(--radius-md); background: transparent; }

/* Spec sheet (industrial) */
.spec-sheet {
  background: var(--surface-container-lowest);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  font-family: var(--font-sans);
  overflow: hidden;
}
.spec-sheet-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 16px;
  background: var(--on-surface);
  color: #c9d3da;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.spec-sheet-body { padding: var(--space-6); }
.spec-rows {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 8px 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.03em;
}
.spec-rows dt {
  color: var(--on-surface-variant);
  text-transform: uppercase;
}
.spec-rows dd { color: var(--on-surface); font-weight: 600; }

/* ============================================================
   BADGES & TAGS
   ============================================================ */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 9px;
  border-radius: var(--radius-sm);
  font-size: var(--text-label-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--tracking-label);
  line-height: 1.4;
  background: var(--surface-container-highest);
  color: var(--on-surface-variant);
}
.badge-primary { background: var(--primary-container); color: var(--on-primary-container); }
.badge-success { background: var(--success-container); color: var(--success); }
.badge-warning { background: var(--warning-container); color: var(--warning); }
.badge-error   { background: rgba(254, 137, 131, 0.20); color: var(--error); }
.badge-ink     { background: var(--on-surface); color: var(--background); }

.status-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  display: inline-block;
}
.status-dot.live { background: #2e9a6c; }
.status-dot.idle { background: #b8c4cb; }
.status-dot.warn { background: #c08e2a; }

/* ============================================================
   HERO + SECTIONS
   ============================================================ */

.section { padding: var(--space-20) 0; }
.section-tight { padding: var(--space-12) 0; }
.section-alt { background: var(--surface-container-low); }
.section-ink { background: var(--on-surface); color: var(--background); }
.section-ink h1, .section-ink h2, .section-ink h3 { color: var(--background); }
.section-ink p { color: rgba(247, 249, 251, 0.7); }

.section-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--on-surface-variant);
  margin-bottom: var(--space-6);
}
.section-meta .num { color: var(--primary); font-weight: 600; }
.section-meta .spacer {
  flex: 1;
  height: 1px;
  background: var(--outline-variant);
  opacity: 0.4;
}
.section-ink .section-meta .num { color: var(--primary-container); }
.section-ink .section-meta .spacer { background: rgba(247, 249, 251, 0.2); opacity: 1; }
.section-ink .section-meta { color: rgba(247, 249, 251, 0.6); }

.section-headline {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-12);
}
@media (min-width: 920px) {
  .section-headline { grid-template-columns: 1.1fr 1fr; gap: var(--space-12); }
}
.section-headline h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 700;
  letter-spacing: var(--tracking-tighter);
}
.section-headline h2 em {
  font-style: italic;
  font-weight: 500;
  color: var(--primary);
}
.section-ink .section-headline h2 em { color: var(--primary-container); }
.section-headline .lede {
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--on-surface-variant);
  max-width: 56ch;
}
.section-ink .section-headline .lede { color: rgba(247, 249, 251, 0.75); }

/* Hero */
.hero {
  padding: var(--space-16) 0 var(--space-20);
  background: var(--background);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -120px; right: -120px;
  width: 480px; height: 480px;
  background: radial-gradient(circle, rgba(206, 230, 248, 0.55), transparent 70%);
  pointer-events: none;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: center;
  position: relative;
}
@media (min-width: 920px) {
  .hero-inner { grid-template-columns: 1.15fr 0.95fr; gap: var(--space-16); }
}
.hero-eyebrow-row {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--on-surface-variant);
  margin-bottom: var(--space-4);
}
.hero-eyebrow-row .dot {
  width: 8px; height: 8px; background: var(--primary); border-radius: 50%;
}
.hero-eyebrow-row .pill {
  padding: 3px 8px;
  background: var(--primary-container);
  color: var(--on-primary-container);
  border-radius: var(--radius-xs);
}
.hero h1 {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: var(--tracking-tighter);
  line-height: 1.06;
  margin-bottom: var(--space-5);
}
.hero h1 .accent { color: var(--primary); }
.hero-sub {
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--on-surface-variant);
  margin-bottom: var(--space-8);
  max-width: 56ch;
}
.hero-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-10);
}
.hero-trust {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5) var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid rgba(169, 180, 185, 0.25);
}
@media (min-width: 640px) { .hero-trust { grid-template-columns: repeat(4, 1fr); } }
.hero-trust .num {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--on-surface);
}
.hero-trust .lbl {
  display: block;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--on-surface-variant);
  margin-top: 4px;
}

/* ============================================================
   MARQUEE
   ============================================================ */

.marquee {
  background: var(--on-surface);
  color: var(--background);
  overflow: hidden;
  padding: 14px 0;
  border-top: 1px solid rgba(255,255,255,0.05);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.marquee-track {
  display: flex;
  gap: 28px;
  white-space: nowrap;
  animation: marquee 38s linear infinite;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.marquee-track .sep { color: var(--primary-container); }
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ============================================================
   FEATURE GRID / CHANNEL CARDS
   ============================================================ */

.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}
@media (min-width: 760px) { .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1020px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }

.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}
@media (min-width: 760px) { .grid-2 { grid-template-columns: repeat(2, 1fr); } }

.feature-card {
  background: var(--surface-container-lowest);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-medium), transform var(--transition-medium);
}
.feature-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.feature-icon {
  width: 44px; height: 44px;
  background: var(--primary-container);
  color: var(--primary);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: var(--space-4);
}
.feature-card h3 { font-size: var(--text-title-lg); font-weight: 600; margin-bottom: 6px; }
.feature-card p { font-size: var(--text-body-md); }

/* Channel/template cards */
.channel-card {
  background: var(--surface-container-lowest);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: box-shadow var(--transition-medium), transform var(--transition-medium);
}
.channel-card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  border-radius: 4px 0 0 4px;
  background: var(--primary);
}
.channel-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.channel-card-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 8px; }
.channel-card h3 { font-size: var(--text-title-lg); font-weight: 600; }
.channel-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--on-surface-variant);
  text-transform: uppercase;
  margin-bottom: 4px;
}
.channel-why {
  font-size: var(--text-body-md);
  color: var(--on-surface);
  line-height: 1.55;
}
.channel-details {
  font-family: var(--font-mono);
  font-size: 11.5px;
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 4px 12px;
  margin-top: 6px;
  color: var(--on-surface-variant);
}

.template-card {
  background: var(--surface-container-lowest);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.template-card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  border-radius: 4px 0 0 4px;
  background: var(--success);
}
.template-head { display: flex; justify-content: space-between; align-items: center; }
.template-head h3 { font-size: var(--text-title-lg); font-weight: 600; }
.template-subject {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--on-surface-variant);
  background: var(--surface-container-low);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
}
.template-body {
  font-size: var(--text-body-md);
  line-height: 1.65;
  color: var(--on-surface);
  background: var(--surface-container-low);
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  white-space: pre-wrap;
}

/* ============================================================
   ALERTS, TOASTS, SKELETONS
   ============================================================ */

.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
  font-size: var(--text-body-md);
}
.alert-info { background: var(--primary-container); color: var(--on-primary-container); }
.alert-error { background: var(--error-container); color: var(--error); }
.alert-success { background: var(--success-container); color: var(--success); }
.alert-warning { background: var(--warning-container); color: var(--warning); }

.toast-container {
  position: fixed;
  top: calc(var(--nav-height) + var(--space-3));
  right: var(--space-4);
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}
.toast {
  background: var(--on-surface);
  color: var(--background);
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: var(--text-body-sm);
  box-shadow: var(--shadow-md);
  pointer-events: auto;
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity 180ms ease, transform 180ms ease;
  max-width: 320px;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast.success { background: var(--success); color: #fff; }
.toast.error { background: var(--error); color: #fff; }

.skeleton {
  display: block;
  background: linear-gradient(90deg, var(--surface-container-low) 0%, var(--surface-container-highest) 50%, var(--surface-container-low) 100%);
  background-size: 200% 100%;
  animation: skeleton 1.3s ease-in-out infinite;
  border-radius: var(--radius-sm);
}
@keyframes skeleton {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}
.skeleton-line { height: 14px; margin-bottom: 8px; }
.skeleton-line.lg { height: 22px; }
.skeleton-line.short { width: 60%; }
.skeleton-card { height: 220px; }

/* ============================================================
   REVEAL ON SCROLL
   ============================================================ */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 600ms ease, transform 600ms ease;
}
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .marquee-track { animation: none; }
}

/* ============================================================
   APP SHELL
   ============================================================ */

.app-shell {
  display: grid;
  grid-template-columns: 1fr;
  min-height: calc(100vh - var(--nav-height));
}
@media (min-width: 920px) {
  .app-shell { grid-template-columns: 240px 1fr; }
}
.app-sidebar {
  background: var(--surface-container-low);
  padding: var(--space-6) var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.app-sidebar-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--on-surface-variant);
  padding: 0 8px;
  margin-bottom: 6px;
}
.app-sidebar-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  color: var(--on-surface-variant);
  font-weight: 500;
  font-size: var(--text-body-md);
  transition: background var(--transition-fast), color var(--transition-fast);
}
.app-sidebar-link:hover { background: var(--surface-container-lowest); color: var(--on-surface); }
.app-sidebar-link.active {
  background: var(--on-surface);
  color: var(--background);
}
.app-sidebar-link.active:hover { color: var(--background); }
.app-main {
  padding: var(--space-8) var(--container-pad);
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
}

.page-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
  flex-wrap: wrap;
}
.page-title { font-size: var(--text-headline-md); font-weight: 700; letter-spacing: var(--tracking-tighter); }
.page-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--on-surface-variant);
  margin-bottom: 4px;
}

/* ============================================================
   FOOTER
   ============================================================ */

.footer-gv {
  background: var(--on-surface);
  color: rgba(247, 249, 251, 0.65);
  padding: var(--space-16) 0 var(--space-8);
  font-size: var(--text-body-sm);
}
.footer-gv a { color: rgba(247, 249, 251, 0.75); }
.footer-gv a:hover { color: var(--background); }
.footer-gv h5 {
  color: var(--background);
  font-size: 11px;
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-3);
  font-weight: 600;
}
.footer-top {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-10);
}
@media (min-width: 760px) {
  .footer-top { grid-template-columns: 1.4fr repeat(3, 1fr); }
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-3);
  padding-top: var(--space-6);
  border-top: 1px solid rgba(247, 249, 251, 0.1);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.footer-blurb { line-height: 1.7; max-width: 38ch; margin-top: var(--space-3); }
.footer-gv .brand-lockup .wordmark { color: var(--background); }
.footer-gv .brand-tagline { color: rgba(247, 249, 251, 0.5); }
.footer-gv ul { display: flex; flex-direction: column; gap: 10px; }

/* ============================================================
   PRICING
   ============================================================ */

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  align-items: stretch;
}
@media (min-width: 760px) { .pricing-grid { grid-template-columns: repeat(3, 1fr); } }

.pricing-card {
  background: var(--surface-container-lowest);
  border-radius: var(--radius-md);
  padding: var(--space-8);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  position: relative;
  transition: box-shadow var(--transition-medium);
}
.pricing-card:hover { box-shadow: var(--shadow-md); }
.pricing-card.featured {
  background: var(--gradient-primary);
  color: var(--on-primary);
}
.pricing-card.featured h3,
.pricing-card.featured .pricing-price,
.pricing-card.featured .pricing-features li { color: var(--on-primary); }
.pricing-card.featured .pricing-features li::before { color: var(--on-primary); }
.pricing-card .pricing-tag {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--on-surface-variant);
}
.pricing-card.featured .pricing-tag { color: rgba(247, 249, 251, 0.75); }
.pricing-card h3 { font-size: var(--text-headline-sm); font-weight: 600; }
.pricing-price {
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: var(--tracking-tighter);
  line-height: 1;
}
.pricing-price span { font-size: 1rem; font-weight: 500; opacity: 0.7; margin-left: 4px; }
.pricing-features { display: flex; flex-direction: column; gap: 10px; margin-top: var(--space-2); }
.pricing-features li {
  display: flex;
  gap: 10px;
  font-size: var(--text-body-md);
  align-items: flex-start;
  color: var(--on-surface-variant);
}
.pricing-features li::before {
  content: '✓';
  font-weight: 700;
  color: var(--primary);
  margin-top: 1px;
}
.pricing-card.featured .pricing-features li { color: rgba(247, 249, 251, 0.9); }

.pricing-cta { margin-top: auto; }

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

.faq-list { display: flex; flex-direction: column; gap: 0; }
.faq-item {
  border-bottom: 1px solid rgba(169, 180, 185, 0.25);
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: var(--space-5) 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  font-size: var(--text-title-md);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item .plus {
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--primary);
  transition: transform var(--transition-fast);
}
.faq-item[open] .plus { transform: rotate(45deg); }
.faq-a { padding: 0 0 var(--space-5); color: var(--on-surface-variant); max-width: 70ch; }

/* ============================================================
   HOW IT WORKS (animated walkthrough)
   ============================================================ */

.lr-demo {
  max-width: 920px;
  margin: 0 auto;
  background: var(--on-surface);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.lr-demo-progress {
  display: flex;
  gap: 4px;
  padding: 10px 14px;
  background: var(--on-surface);
}
.lr-seg {
  flex: 1;
  height: 3px;
  background: rgba(255,255,255,0.12);
  border-radius: 2px;
  overflow: hidden;
}
.lr-seg span {
  display: block;
  height: 100%;
  width: 0%;
  background: var(--primary-container);
  transition: width 80ms linear;
}
.lr-demo-stage {
  aspect-ratio: 16 / 11;
  background: var(--background);
  position: relative;
  overflow: hidden;
}
.lr-demo-controls {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--on-surface);
  color: rgba(247, 249, 251, 0.7);
  font-size: 12px;
}
.lr-demo-btn {
  background: var(--primary);
  color: #fff;
  border: none;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}
.lr-demo-btn:hover { background: var(--primary-dim); }
.lr-demo-btn.ghost {
  background: transparent;
  color: rgba(247, 249, 251, 0.7);
  box-shadow: inset 0 0 0 1px rgba(247, 249, 251, 0.15);
}
.lr-step-label {
  margin-left: auto;
  font-variant-numeric: tabular-nums;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.lr-scene {
  position: absolute;
  inset: 0;
  padding: 24px 32px;
  display: flex;
  flex-direction: column;
  opacity: 0;
  transition: opacity 260ms ease;
}
.lr-scene.is-active { opacity: 1; }
.lr-scene-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}
.lr-scene-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: -0.02em;
}
.lr-scene-brand .reach { color: var(--primary); }
.lr-scene-links {
  display: flex;
  gap: 14px;
  font-size: 11px;
  color: var(--on-surface-variant);
  font-weight: 500;
}
.lr-scene-links .active { color: var(--on-surface); font-weight: 600; }
.lr-scene-h1 {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}
.lr-scene-sub {
  font-size: 11px;
  color: var(--on-surface-variant);
  margin-bottom: 14px;
}

.lr-card {
  background: var(--surface-container-lowest);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  box-shadow: 0 4px 20px rgba(42,52,57,0.06);
  transition: box-shadow 220ms ease;
}
.lr-card.pulse { box-shadow: 0 0 0 3px rgba(75, 97, 113, 0.22), 0 8px 32px rgba(42,52,57,0.10); }
.lr-card-h {
  font-size: 11px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--on-surface-variant);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.lr-fld { margin-bottom: 10px; }
.lr-fld-label {
  font-size: 9px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--on-surface-variant);
  display: block;
  margin-bottom: 4px;
}
.lr-fld-input {
  background: var(--surface-container-highest);
  padding: 7px 10px;
  border-radius: var(--radius-xs);
  font-size: 12px;
  min-height: 22px;
  border-bottom: 2px solid transparent;
}
.lr-fld-input.active {
  background: #fff;
  border-bottom-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(75,97,113,0.10);
}
.lr-fld-input.empty { color: var(--outline-variant); }

.lr-channel {
  background: var(--surface-container-lowest);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  margin-bottom: 8px;
  position: relative;
  box-shadow: 0 2px 12px rgba(42,52,57,0.05);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 260ms ease, transform 260ms ease;
}
.lr-channel::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--primary);
  border-radius: 3px 0 0 3px;
}
.lr-channel.show { opacity: 1; transform: none; }
.lr-channel-title { font-size: 12px; font-weight: 700; margin-bottom: 2px; }
.lr-channel-meta { font-size: 10.5px; color: var(--on-surface-variant); }
.lr-channel-badge {
  position: absolute;
  top: 12px; right: 12px;
  font-size: 9px;
  background: var(--success-container);
  color: var(--success);
  padding: 2px 6px;
  border-radius: 3px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.lr-template {
  background: #fff;
  border-radius: var(--radius-sm);
  padding: 14px;
  margin-top: 10px;
  box-shadow: 0 8px 32px rgba(42,52,57,0.10);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 240ms ease, transform 240ms ease;
}
.lr-template.show { opacity: 1; transform: none; }
.lr-template-subject {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--on-surface-variant);
  margin-bottom: 6px;
  letter-spacing: 0.03em;
}
.lr-template-body {
  font-size: 11.5px;
  line-height: 1.55;
  color: var(--on-surface);
  font-family: var(--font-mono);
}
.lr-cursor {
  display: inline-block;
  width: 1px;
  border-right: 2px solid var(--primary);
  animation: lr-blink 1s steps(2) infinite;
}
@keyframes lr-blink { 0%, 50% { opacity: 1; } 50.01%, 100% { opacity: 0; } }
.lr-copy-flash {
  position: absolute;
  top: 12px; right: 12px;
  background: var(--success);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 4px 8px;
  border-radius: 3px;
  opacity: 0;
  transition: opacity 200ms ease;
}
.lr-copy-flash.show { opacity: 1; }

@media (max-width: 640px) {
  .lr-demo-stage { aspect-ratio: 4 / 5; }
  .lr-scene { padding: 14px 18px; }
}

/* ============================================================
   ACCESSIBILITY
   ============================================================ */

.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;
}

.skip-nav {
  position: absolute;
  top: -40px;
  left: var(--space-3);
  background: var(--on-surface);
  color: var(--background);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  z-index: 999;
  font-weight: 600;
  transition: top var(--transition-fast);
}
.skip-nav:focus { top: var(--space-3); color: var(--background); }

:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: var(--radius-xs);
}

/* ============================================================
   UTILITIES
   ============================================================ */

.text-mono { font-family: var(--font-mono); }
.text-muted { color: var(--on-surface-variant); }
.text-center { text-align: center; }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.ml-2 { margin-left: var(--space-2); }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.w-full { width: 100%; }
.hide-mobile { display: none; }
@media (min-width: 768px) { .hide-mobile { display: initial; } }

/* ============================================================
   Progress bar (two-step analyze)
   ============================================================ */
.progress-bar {
  display: flex;
  align-items: center;
  gap: 0;
}
.progress-step {
  display: flex;
  align-items: center;
  gap: 8px;
  opacity: 0.4;
  transition: opacity 0.3s ease;
}
.progress-step.active {
  opacity: 1;
}
.progress-step-num {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  background: var(--outline-variant);
  color: var(--on-primary);
  border-radius: var(--radius-xs);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.progress-step.active .progress-step-num {
  background: var(--primary);
}
.progress-step-label {
  font-size: var(--text-body-sm);
  font-weight: 500;
  color: var(--on-surface);
}
.progress-connector {
  flex: 1;
  height: 2px;
  background: var(--outline-variant);
  margin: 0 var(--space-3);
  min-width: 24px;
}

/* ============================================================
   COMPARISON TABLE (pricing)
   ============================================================ */

.comparison-table-wrap {
  background: var(--surface-container-lowest);
  border-radius: var(--radius-sm);
  overflow-x: auto;
  margin-top: var(--space-4);
}
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-body-md);
}
.comparison-table th, .comparison-table td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid rgba(169, 180, 185, 0.2);
}
.comparison-table th {
  background: var(--surface-container-low);
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--on-surface);
}
.comparison-table td:not(:first-child) { text-align: center; }
.comparison-table .check-yes { color: var(--success); font-weight: 700; }
.comparison-table .check-no  { color: var(--outline-variant); }

/* ============================================================
   BLOG
   ============================================================ */

.blog-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}
@media (min-width: 760px) { .blog-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1080px) { .blog-grid { grid-template-columns: repeat(3, 1fr); } }

.blog-card {
  display: flex;
  flex-direction: column;
  background: var(--surface-container-lowest);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  color: var(--on-surface);
  transition: box-shadow var(--transition-medium), transform var(--transition-medium);
}
.blog-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  color: var(--on-surface);
}
.blog-card__meta {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--on-surface-variant);
  margin-bottom: var(--space-3);
}
.blog-card__title {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--on-surface);
  margin-bottom: var(--space-3);
  line-height: 1.3;
}
.blog-card__excerpt {
  font-size: var(--text-body-md);
  color: var(--on-surface-variant);
  line-height: 1.55;
  flex: 1;
}
.blog-card__more {
  margin-top: var(--space-4);
  font-size: var(--text-body-md);
  color: var(--primary);
  font-weight: 600;
}

/* Blog post body */
.post {
  max-width: 720px;
  margin: 0 auto;
  padding: var(--space-10) 0 var(--space-16);
}
.post__meta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--on-surface-variant);
  margin-bottom: var(--space-3);
}
.post__title {
  font-size: clamp(1.9rem, 3.4vw, 2.6rem);
  line-height: 1.1;
  letter-spacing: -0.025em;
  font-weight: 800;
  color: var(--on-surface);
  margin-bottom: var(--space-4);
}
.post__lede {
  font-size: 1.15rem;
  line-height: 1.55;
  color: var(--on-surface-variant);
  margin-bottom: var(--space-10);
}
.post__body { font-size: 1.025rem; line-height: 1.7; color: var(--on-surface); }
.post__body h2 {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--on-surface);
  margin: 2.5rem 0 0.85rem;
}
.post__body h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--on-surface);
  margin: 1.75rem 0 0.6rem;
}
.post__body p { margin-bottom: 1.1rem; }
.post__body ul, .post__body ol {
  margin: 0 0 1.25rem 1.25rem;
  list-style: revert;
}
.post__body li { margin-bottom: 0.4rem; }
.post__body a {
  color: var(--primary);
  text-decoration: underline;
  text-decoration-color: rgba(75, 97, 113, 0.3);
  text-underline-offset: 3px;
}
.post__body a:hover {
  color: var(--primary-dim);
  text-decoration-color: var(--primary);
}
.post__body blockquote {
  border-left: 3px solid var(--primary);
  padding: 0.25rem 0 0.25rem 1.1rem;
  margin: 1.5rem 0;
  font-style: italic;
  color: var(--on-surface-variant);
}
.post__body strong { color: var(--on-surface); font-weight: 700; }
.post__body hr {
  border: 0;
  border-top: 1px solid rgba(169, 180, 185, 0.3);
  margin: 2rem 0;
}
.post__cta {
  margin-top: var(--space-10);
  padding: var(--space-8);
  background: var(--surface-container-low);
  border-radius: var(--radius-md);
  text-align: center;
}
.post__cta h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--on-surface);
  margin-bottom: var(--space-3);
}
.post__cta p {
  font-size: var(--text-body-md);
  color: var(--on-surface-variant);
  margin-bottom: var(--space-4);
}