/* ========================================
   Landing Page - The 55
   Apple-esque: centered, typographic, spacious
   ======================================== */

/* ========================================
   Floating Brand Badge
   ======================================== */

.brand-badge-floating {
  position: fixed;
  top: var(--space-4);
  left: var(--space-4);
  color: var(--color-text);
  font-size: var(--text-lg);
  font-weight: 700;
  text-decoration: none;
  z-index: 100;
  letter-spacing: var(--tracking-snug);
}

.brand-badge-floating:hover {
  color: var(--color-primary);
  text-decoration: none;
}

.landing-signin-link {
  position: fixed;
  top: var(--space-4);
  right: var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  text-decoration: none;
  z-index: 100;
}

.landing-signin-link:hover {
  color: var(--color-text);
}

/* ========================================
   Scroll Reveal
   ======================================== */

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  html {
    scroll-snap-type: none;
  }
}

/* ========================================
   Section Layout
   ======================================== */

.landing-section {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: var(--space-16) var(--container-padding);
  text-align: center;
  position: relative;
  scroll-snap-align: start;
}

.landing-content {
  max-width: 720px;
  width: 100%;
}

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

.landing-eyebrow {
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-3);
  width: 100%;
  max-width: none;
  display: block;
  text-align: center;
}

.landing-section-headline {
  font-size: var(--text-3xl);
  font-weight: 700;
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-tight);
  color: var(--color-text);
  margin-bottom: var(--space-6);
}

.landing-dim {
  color: var(--color-text-secondary);
}

.landing-body {
  font-size: var(--text-lg);
  font-weight: 300;
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
  max-width: var(--prose-max);
  margin-left: auto;
  margin-right: auto;
}

.landing-body:last-child {
  margin-bottom: 0;
}

.landing-emphasis {
  color: var(--color-text) !important;
  font-weight: 500;
}

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

.landing-hero {
  min-height: 100dvh;
}

.landing-headline {
  font-size: clamp(3rem, 2rem + 5vw, 5.5rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.05;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.landing-subheadline {
  font-size: var(--text-xl);
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
  max-width: 480px;
  margin: 0 auto;
}

/* Scroll snap + smooth */
html {
  scroll-behavior: smooth;
  scroll-snap-type: y mandatory;
}

.landing-scroll-cue {
  position: absolute;
  bottom: 72px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--color-text-tertiary);
  text-decoration: none;
  cursor: pointer;
  animation: landing-bounce 2s ease-in-out infinite;
}

.landing-scroll-cue:hover {
  color: var(--color-text-secondary);
}

.landing-dark .landing-scroll-cue {
  color: rgba(255, 255, 255, 0.4);
}

.landing-dark .landing-scroll-cue:hover {
  color: rgba(255, 255, 255, 0.7);
}

.landing-muted .landing-scroll-cue {
  color: var(--color-text-tertiary);
}

@keyframes landing-bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

@media (prefers-reduced-motion: reduce) {
  .landing-scroll-cue { animation: none; }
}

/* ========================================
   Dark Sections
   ======================================== */

.landing-dark {
  background: var(--color-text);
}

.landing-dark .landing-section-headline {
  color: white;
}

.landing-dark .landing-body {
  color: rgba(255, 255, 255, 0.65);
}

.landing-dark .landing-emphasis {
  color: white !important;
}

/* ========================================
   Muted Section
   ======================================== */

.landing-muted {
  background: var(--color-bg-secondary);
}

/* ========================================
   Stats
   ======================================== */

.landing-stat-group {
  display: flex;
  justify-content: center;
  gap: var(--space-20);
  margin-bottom: var(--space-8);
}

.landing-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.landing-stat-number {
  font-size: clamp(5rem, 3rem + 10vw, 12rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  color: white;
}

.landing-stat-label {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.5);
  margin-top: var(--space-2);
  letter-spacing: var(--tracking-wide);
}

/* ========================================
   Contrast Grid
   ======================================== */

.landing-contrast-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 var(--space-8);
  max-width: 560px;
  margin: 0 auto;
  text-align: left;
}

.landing-contrast-label {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  padding-bottom: var(--space-4);
  margin: 0;
}

.landing-contrast-label-highlight {
  color: var(--color-text);
}

.landing-contrast-cell {
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
  padding: var(--space-3) 0;
  border-top: 1px solid var(--color-border-light);
  margin: 0;
  max-width: none;
}

.landing-contrast-cell-highlight {
  color: var(--color-text);
  font-weight: 500;
}

/* ========================================
   Link style
   ======================================== */

.landing-link {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
}

.landing-link:hover {
  text-decoration: underline;
}

/* ========================================
   CTA Button
   ======================================== */

.landing-cta {
  margin-top: var(--space-8);
  font-size: var(--text-lg);
  padding: var(--space-4) var(--space-10);
  min-height: var(--touch-target-min);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

.landing-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0, 102, 204, 0.3);
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  text-decoration: none;
  color: white;
}

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

.landing-footer {
  padding: var(--space-6) var(--container-padding);
  border-top: 1px solid var(--color-border-light);
  scroll-snap-align: end;
}

.landing-footer-content {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.landing-footer-links {
  display: flex;
  gap: var(--space-6);
}

.landing-footer-link {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
  text-decoration: none;
  min-height: var(--touch-target-min);
  display: inline-flex;
  align-items: center;
}

.landing-footer-link:hover {
  color: var(--color-text-secondary);
}

.landing-footer-credit {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
  margin: 0;
  max-width: none;
}

.landing-footer-credit a {
  color: var(--color-text-secondary);
  text-decoration: none;
}

.landing-footer-credit a:hover {
  color: var(--color-primary);
}

/* ========================================
   Word Gap Typography
   ======================================== */

.word-gap {
  letter-spacing: 0.15em;
  font-weight: 600;
}

/* ========================================
   Mobile (640px and below)
   ======================================== */

@media (max-width: 640px) {
  .landing-section {
    min-height: 100vh;
    min-height: 100dvh;
    padding: var(--space-10) var(--container-padding) var(--space-16);
  }

  .landing-headline {
    font-size: clamp(2.5rem, 1.5rem + 5vw, 3.5rem);
  }

  .landing-section-headline {
    font-size: var(--text-2xl);
  }

  .landing-body {
    font-size: var(--text-base);
  }

  .landing-stat-group {
    gap: var(--space-12);
  }

  .landing-stat-number {
    font-size: clamp(3.5rem, 2rem + 8vw, 6rem);
  }

  .landing-contrast-grid {
    gap: 0 var(--space-4);
  }

  .landing-cta {
    width: 100%;
    max-width: 280px;
  }

  .landing-footer-content {
    flex-direction: column;
    gap: var(--space-3);
    text-align: center;
  }
}

/* ========================================
   Large screens (1200px+)
   ======================================== */

@media (min-width: 1200px) {
  .landing-content {
    max-width: 800px;
  }

  .landing-section-headline {
    font-size: clamp(2.25rem, 3vw, 3.25rem);
  }
}

/* ========================================
   Client Examples Section
   ======================================== */

.landing-examples-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  max-width: 900px;
  margin: 0 auto;
  text-align: left;
}

.landing-example-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border-light);
  border-radius: 12px;
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.landing-example-label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  margin: 0;
}

.landing-example-title {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin: 0;
  line-height: var(--leading-snug);
}

.landing-example-transform {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.landing-example-before,
.landing-example-after {
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  margin: 0;
  padding-top: var(--space-5);
  position: relative;
}

.landing-example-before::before,
.landing-example-after::before {
  position: absolute;
  left: 0;
  top: 0;
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.landing-example-before {
  color: var(--color-text-secondary);
}

.landing-example-before::before {
  content: "Before";
  color: var(--color-text-tertiary);
}

.landing-example-after {
  color: var(--color-text);
  font-weight: 500;
}

.landing-example-after::before {
  content: "After";
  color: var(--color-primary);
}

.landing-example-gap {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: var(--space-1) var(--space-2);
  border-radius: 4px;
  align-self: flex-start;
  margin-top: auto;
}

@media (max-width: 640px) {
  .landing-examples-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .landing-example-card {
    padding: var(--space-5);
  }
}

/* ========================================
   Outcomes Section
   ======================================== */

.landing-outcomes-list {
  list-style: none;
  padding: 0;
  margin: var(--space-8) auto 0;
  max-width: 480px;
  text-align: left;
}

.landing-outcomes-list li {
  font-size: var(--text-lg);
  color: var(--color-text);
  padding: var(--space-3) 0;
  padding-left: var(--space-6);
  position: relative;
  line-height: var(--leading-relaxed);
}

.landing-outcomes-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.1em;
  width: 8px;
  height: 8px;
  background: var(--color-primary);
  border-radius: 50%;
}

/* ========================================
   Enhanced CTA Section
   ======================================== */

.landing-cta-tertiary {
  margin-top: var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  max-width: none;
}

.landing-cta-secondary {
  text-align: center;
  margin-top: var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
  width: 100%;
}

.landing-cta-secondary a {
  color: var(--color-text-secondary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.landing-cta-secondary a:hover {
  color: var(--color-primary);
}

@media (max-width: 640px) {
  .landing-outcomes-list li {
    font-size: var(--text-base);
  }
}

/* ============================================
   PREVIEW GRID (START-04)
   Mock reveal cards with staggered animation
   ============================================ */

.preview-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2);
  max-width: 580px;
  margin: var(--space-4) auto 0;
}

@media (max-width: 640px) {
  .preview-grid { grid-template-columns: repeat(2, 1fr); }
  .preview-card:nth-child(n+5) { display: none; }
}

.preview-card {
  background: var(--color-bg);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
  animation: preview-card-in 0.5s var(--ease-out) both;
  animation-delay: var(--delay, 0ms);
  animation-play-state: paused;
}

.reveal.revealed .preview-card {
  animation-play-state: running;
}

@keyframes preview-card-in {
  from { opacity: 0; transform: scale(0.92) translateY(8px); }
  to   { opacity: 1; transform: scale(1)    translateY(0);   }
}

.preview-card-img {
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
}

.preview-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.preview-card-body {
  padding: var(--space-2) var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  text-align: left;
}

.preview-card-name {
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--color-text);
  margin: 0;
}

.preview-card-bullets {
  list-style: disc;
  padding-left: var(--space-4);
  margin: 0;
}

.preview-card-bullets li {
  font-size: 0.7rem;
  color: var(--color-text-secondary);
  line-height: 1.4;
  margin-bottom: 2px;
}

/* Inline citation link in landing copy */
.landing-inline-link {
  color: var(--color-primary);
  text-decoration: underline;
  font-size: inherit;
}
.landing-inline-link:hover { opacity: 0.8; }

.landing-method-link {
  display: inline-block;
  margin-top: var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-primary);
  text-decoration: none;
  letter-spacing: 0.01em;
}
.landing-method-link:hover { text-decoration: underline; }

/* Preview section: tighter padding so it fits one screen */
#preview.landing-section {
  padding-top: var(--space-8);
  padding-bottom: var(--space-8);
}

#preview .landing-section-headline {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-4);
}

/* Reduce motion: cards appear immediately without animation */
@media (prefers-reduced-motion: reduce) {
  .preview-card {
    animation: none;
    opacity: 1;
    transform: none;
  }
}


/* ============================================
   RECENT SESSIONS STRIP (START-05)
   Appears below CTA section, outside scroll-snap
   ============================================ */

.recent-strip {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border-light);
  padding: var(--space-4) var(--container-padding);
}

.recent-strip-inner {
  max-width: 720px;
  margin: 0 auto;
}

.recent-strip-label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-3);
  max-width: none;
}

.recent-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: var(--space-3);
  padding: 0;
}

.recent-item {
  display: flex;
  gap: var(--space-3);
  align-items: baseline;
  text-decoration: none;
  color: var(--color-text);
  font-size: var(--text-sm);
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-border-light);
}

.recent-item:hover { color: var(--color-primary); }

.recent-code {
  font-family: monospace;
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  flex-shrink: 0;
}

.recent-q {
  color: var(--color-text-secondary);
}

.recent-dismiss {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  text-decoration: underline;
}

.recent-dismiss:hover { color: var(--color-text); }

/* ========================================
   Hero Dual CTAs
   ======================================== */

.landing-hero-ctas {
  display: flex;
  gap: var(--space-3);
  justify-content: center;
  flex-wrap: wrap;
  margin-top: var(--space-8);
}

.landing-hero-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2) var(--space-5);
  font-size: var(--text-sm);
  font-weight: 500;
  font-family: inherit;
  line-height: 1.2;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
  text-decoration: none;
  border: none;
  white-space: nowrap;
}

.landing-hero-btn--primary {
  background: var(--color-primary);
  color: white;
  box-shadow: var(--shadow-sm);
}

.landing-hero-btn--primary:hover {
  background: var(--color-primary-dark);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
  color: white;
  text-decoration: none;
}

.landing-hero-btn--outline {
  background: transparent;
  color: var(--color-text);
  border: 1.5px solid var(--color-border);
}

.landing-hero-btn--outline:hover {
  border-color: var(--color-text-secondary);
  transform: translateY(-1px);
}

@media (max-width: 640px) {
  .landing-hero-ctas {
    flex-direction: column;
    align-items: center;
  }
  .landing-hero-btn {
    width: 100%;
    max-width: 160px;
  }
}

/* ========================================
   Ghost Pill — persistent code entry
   ======================================== */

.landing-ghost-pill {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 200;
  display: flex;
  align-items: center;
  opacity: 0.92;
  transition: opacity var(--duration-normal) var(--ease-out),
              transform 0.22s var(--ease-out);
}

.landing-ghost-pill.focused,
.landing-ghost-pill:focus-within {
  opacity: 1;
}

.ghost-pill-input {
  background: rgba(75, 75, 80, 0.97) !important;
  color: white !important;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-full);
  padding: 11px 80px 11px 20px;
  font-family: var(--font-family);
  font-size: var(--text-base);
  font-weight: 500;
  letter-spacing: 0.04em;
  outline: none;
  width: 260px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-xl);
  transition: border-color var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
}

.ghost-pill-input::placeholder {
  color: rgba(255, 255, 255, 0.9) !important;
  font-weight: 400;
  letter-spacing: normal;
}

.ghost-pill-input:focus {
  border-color: rgba(255, 255, 255, 0.35);
  box-shadow: var(--shadow-xl), 0 0 0 3px rgba(0, 102, 204, 0.35);
}

.ghost-pill-btn {
  position: absolute;
  right: 6px;
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--radius-full);
  padding: 6px 18px;
  font-family: var(--font-family);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-fast) var(--ease-out),
              background var(--duration-fast) var(--ease-out);
  min-height: 32px;
}

.ghost-pill-btn:hover { background: var(--color-primary-dark); }

@media (max-width: 640px) {
  .landing-ghost-pill {
    bottom: 20px;
  }
  .ghost-pill-input {
    padding: 13px 16px 13px 20px;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    font-size: 16px;
  }
  .ghost-pill-btn {
    min-height: 36px;
    padding: 8px 18px;
  }
}

@media (max-width: 640px) {
  #preview.landing-section {
    padding-bottom: calc(var(--space-8) + 64px);
  }
}

/* ========================================
   Deprecated join form (kept for safety)
   ======================================== */

.landing-join-form {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-8);
  max-width: 400px;
}

.landing-join-input {
  flex: 1;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  font-family: monospace;
  letter-spacing: 0.05em;
  border: 1.5px solid var(--color-border);
  border-radius: 8px;
  background: rgba(255,255,255,0.08);
  color: var(--color-text);
  outline: none;
  transition: border-color 0.15s;
}

.landing-join-input:focus {
  border-color: var(--color-primary);
}

.landing-join-input::placeholder {
  color: var(--color-text-tertiary);
  font-family: var(--font-sans);
  letter-spacing: normal;
  font-size: var(--text-sm);
}

.landing-join-btn {
  white-space: nowrap;
}

.landing-join-error {
  font-size: var(--text-sm);
  color: var(--color-error);
  margin-top: var(--space-2);
}

/* Diagnostic section video */
.landing-diagnostic-tagline {
  margin-top: var(--space-6);
  font-style: italic;
  opacity: 0.75;
}

.landing-diagnostic-video {
  width: 100%;
  margin: var(--space-8) auto 0;
  padding: 0 var(--space-4);
  display: flex;
  justify-content: center;
}

.landing-diagnostic-video video {
  max-height: 35vh;
  max-width: 100%;
  width: auto;
  border-radius: 12px;
  display: block;
}

.landing-diagnostic-punchline {
  margin-top: var(--space-6);
  text-align: center;
  font-style: italic;
  opacity: 0.75;
}

.landing-diagnostic-answer {
  margin-top: var(--space-8);
  text-align: center;
  font-weight: 500;
}