/**
 * Momentum — Landing Page Styles
 * Stage 5C.1: Premium Landing Experience
 * Scope: landing canvas, landing page sections, product preview, CTA.
 * The existing dashboard styles.css is untouched.
 */

/* ==========================================================================
   GOOGLE FONTS — Editorial Typography for Landing
   ========================================================================== */
@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=Plus+Jakarta+Sans:wght@300;400;500;600&display=swap');

/* ==========================================================================
   CSS CUSTOM PROPERTIES — Landing Design Tokens
   ========================================================================== */
:root {
  /* Landing palette — deep espresso environment */
  --landing-base:       #0d0b09;
  --landing-surface:    #141210;
  --landing-surface-2:  #1c1915;
  --landing-border:     rgba(240, 131, 82, 0.12);
  --landing-border-sub: rgba(255, 255, 255, 0.06);

  /* Brand */
  --landing-orange:     #f08352;
  --landing-orange-dim: rgba(240, 131, 82, 0.18);
  --landing-amber:      #d7a34b;
  --landing-green:      #4e9d75;

  /* Text */
  --landing-text-primary:   #f0ebe4;
  --landing-text-secondary: rgba(240, 235, 228, 0.55);
  --landing-text-tertiary:  rgba(240, 235, 228, 0.32);

  /* Animation */
  --landing-ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --landing-ease-in:  cubic-bezier(0.7, 0, 0.84, 0);
}

/* ==========================================================================
   LANDING CANVAS — Full-Screen WebGL Background
   ========================================================================== */
#landingCanvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  /* CSS fallback gradient when WebGL fails */
  background: radial-gradient(ellipse 80% 60% at 20% 10%, rgba(240,131,82,0.12) 0%, transparent 60%),
              radial-gradient(ellipse 60% 50% at 80% 80%, rgba(78,157,117,0.08) 0%, transparent 60%),
              #0d0b09;
  transition: opacity 0.6s ease;
}

#landingCanvas.landing-canvas-hidden {
  opacity: 0;
  pointer-events: none;
}

/* ==========================================================================
   LANDING PAGE CONTAINER
   ========================================================================== */
#landingPage {
  position: relative;
  z-index: 1;
  min-height: 100svh;
  overflow-x: hidden;
  color: var(--landing-text-primary);
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
}

#landingPage.landing-hidden {
  display: none !important;
}

/* ==========================================================================
   LANDING NAVIGATION
   ========================================================================== */
.landing-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 40px;
  transition: background 0.4s ease, backdrop-filter 0.4s ease, border-color 0.4s ease;
  border-bottom: 1px solid transparent;
}

.landing-nav.scrolled {
  background: rgba(13, 11, 9, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-color: var(--landing-border-sub);
}

.landing-nav-brand {
  display: flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  color: var(--landing-text-primary);
}

.landing-nav-brand-name {
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.3px;
  color: var(--landing-text-primary);
}

.landing-nav-brand-dot {
  color: var(--landing-orange);
  font-size: 13px;
  line-height: 1;
  animation: landing-dot-pulse 3s ease-in-out infinite;
}

@keyframes landing-dot-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.landing-nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.landing-nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--landing-text-secondary);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: 8px;
  transition: color 0.2s ease, background 0.2s ease;
  cursor: pointer;
  background: none;
  border: none;
}

.landing-nav-link:hover {
  color: var(--landing-text-primary);
  background: rgba(255,255,255,0.06);
}

.landing-nav-cta {
  font-size: 14px;
  font-weight: 600;
  color: var(--landing-base);
  background: var(--landing-orange);
  padding: 8px 20px;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
  letter-spacing: -0.1px;
}

.landing-nav-cta:hover {
  background: #f5925f;
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(240,131,82,0.35);
}

.landing-nav-cta:active {
  transform: translateY(0);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.landing-hero {
  min-height: 100svh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
  padding: 120px 80px 80px;
  position: relative;
}

.landing-hero-content {
  position: relative;
  z-index: 2;
}

.landing-hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--landing-orange);
  margin-bottom: 28px;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.landing-hero-eyebrow.revealed {
  opacity: 1;
  transform: translateY(0);
}

.landing-hero-eyebrow-line {
  width: 24px;
  height: 1px;
  background: var(--landing-orange);
  display: inline-block;
}

.landing-hero-headline {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: clamp(44px, 5.5vw, 76px);
  font-weight: 400;
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--landing-text-primary);
  margin: 0 0 28px;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease 0.1s, transform 0.7s ease 0.1s;
}

.landing-hero-headline.revealed {
  opacity: 1;
  transform: translateY(0);
}

.landing-hero-headline em {
  font-style: italic;
  color: var(--landing-orange);
}

.landing-hero-sub {
  font-size: 17px;
  font-weight: 400;
  line-height: 1.65;
  color: var(--landing-text-secondary);
  max-width: 420px;
  margin: 0 0 44px;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease 0.2s, transform 0.7s ease 0.2s;
}

.landing-hero-sub.revealed {
  opacity: 1;
  transform: translateY(0);
}

.landing-hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 32px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease 0.3s, transform 0.7s ease 0.3s;
}

.landing-hero-actions.revealed {
  opacity: 1;
  transform: translateY(0);
}

.landing-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  font-size: 15px;
  font-weight: 600;
  color: var(--landing-base);
  background: var(--landing-orange);
  padding: 14px 28px;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  letter-spacing: -0.1px;
  transition: background 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
  position: relative;
  overflow: hidden;
}

.landing-btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0);
  transition: background 0.2s ease;
}

.landing-btn-primary:hover {
  background: #f5925f;
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(240,131,82,0.40);
}

.landing-btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 12px rgba(240,131,82,0.30);
}

.landing-btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  font-size: 15px;
  font-weight: 500;
  color: var(--landing-text-primary);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  padding: 13px 24px;
  border-radius: 12px;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
}

.landing-btn-secondary:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.18);
  transform: translateY(-1px);
}

.landing-local-mode-link {
  font-size: 13px;
  font-weight: 400;
  color: var(--landing-text-tertiary);
  text-decoration: none;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
  transition: color 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  opacity: 0;
  transition: opacity 0.7s ease 0.45s, transform 0.7s ease 0.45s, color 0.2s ease;
  transform: translateY(12px);
}

.landing-local-mode-link.revealed {
  opacity: 1;
  transform: translateY(0);
}

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

/* ==========================================================================
   PRODUCT PREVIEW — CSS-rendered Momentum UI mock
   ========================================================================== */
.landing-hero-preview {
  position: relative;
  z-index: 2;
  perspective: 1200px;
  opacity: 0;
  transform: translateY(32px) scale(0.97);
  transition: opacity 0.9s ease 0.2s, transform 0.9s var(--landing-ease-out) 0.2s;
}

.landing-hero-preview.revealed {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.preview-window {
  background: #181412;
  border: 1px solid rgba(240, 131, 82, 0.14);
  border-radius: 18px;
  overflow: hidden;
  transform: perspective(1100px) rotateY(-9deg) rotateX(3deg);
  box-shadow:
    0 40px 100px rgba(0,0,0,0.7),
    0 0 0 1px rgba(255,255,255,0.04),
    inset 0 1px 0 rgba(255,255,255,0.06);
  animation: preview-float 6s ease-in-out infinite;
  max-width: 500px;
}

@keyframes preview-float {
  0%, 100% { transform: perspective(1100px) rotateY(-9deg) rotateX(3deg) translateY(0px); }
  50%       { transform: perspective(1100px) rotateY(-9deg) rotateX(3deg) translateY(-8px); }
}

/* Window chrome bar */
.preview-chrome {
  background: #201c19;
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 6px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.preview-chrome-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.preview-chrome-dot:nth-child(1) { background: rgba(255,95,86,0.6); }
.preview-chrome-dot:nth-child(2) { background: rgba(255,188,46,0.6); }
.preview-chrome-dot:nth-child(3) { background: rgba(39,200,121,0.6); }

.preview-chrome-title {
  font-size: 11px;
  color: rgba(240,235,228,0.3);
  margin-left: auto;
  margin-right: auto;
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
}

/* App layout mock */
.preview-body {
  display: grid;
  grid-template-columns: 200px 1fr;
  height: 340px;
}

/* Sidebar mock */
.preview-sidebar {
  background: #141210;
  padding: 16px 12px;
  border-right: 1px solid rgba(255,255,255,0.04);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.preview-brand-row {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 8px 14px;
}

.preview-brand-name {
  font-size: 13px;
  font-weight: 600;
  color: rgba(240,235,228,0.9);
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
}

.preview-brand-dot {
  font-size: 9px;
  color: #f08352;
}

.preview-nav-label {
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: rgba(240,235,228,0.25);
  padding: 4px 8px 6px;
  margin-top: 4px;
}

.preview-nav-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border-radius: 8px;
  font-size: 12px;
  color: rgba(240,235,228,0.55);
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
}

.preview-nav-item.active {
  background: rgba(240,131,82,0.12);
  color: #f08352;
}

.preview-nav-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(240,235,228,0.2);
  flex-shrink: 0;
}

.preview-nav-item.active .preview-nav-dot {
  background: #f08352;
}

.preview-nav-badge {
  margin-left: auto;
  font-size: 10px;
  background: rgba(240,131,82,0.18);
  color: #f08352;
  padding: 2px 6px;
  border-radius: 10px;
  font-weight: 600;
}

/* Main content mock */
.preview-main {
  padding: 18px 16px;
  background: #181412;
  overflow: hidden;
}

.preview-header-row {
  margin-bottom: 12px;
}

.preview-date-label {
  font-size: 10px;
  color: rgba(240,235,228,0.3);
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  margin-bottom: 4px;
}

.preview-greeting {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: 18px;
  color: rgba(240,235,228,0.92);
  line-height: 1.15;
}

.preview-greeting em {
  font-style: italic;
  color: #f08352;
}

.preview-task-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 14px;
}

.preview-task {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #1e1b17;
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: 10px;
  padding: 10px 12px;
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
}

.preview-task-check {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 1.5px solid rgba(240,235,228,0.25);
  flex-shrink: 0;
}

.preview-task-check.checked {
  background: rgba(78,157,117,0.25);
  border-color: rgba(78,157,117,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
}

.preview-task-check.checked::after {
  content: '';
  width: 6px;
  height: 4px;
  border-left: 1.5px solid #4e9d75;
  border-bottom: 1.5px solid #4e9d75;
  transform: rotate(-45deg) translateY(-1px);
}

.preview-task-title {
  font-size: 12px;
  font-weight: 500;
  color: rgba(240,235,228,0.85);
  flex: 1;
}

.preview-task.completed .preview-task-title {
  color: rgba(240,235,228,0.3);
  text-decoration: line-through;
  text-decoration-color: rgba(240,235,228,0.2);
}

.preview-task-priority {
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.05em;
  padding: 3px 7px;
  border-radius: 6px;
}

.preview-task-priority.high {
  background: rgba(231,76,60,0.15);
  color: #e74c3c;
}

.preview-task-priority.medium {
  background: rgba(215,163,75,0.15);
  color: #d7a34b;
}

.preview-task-priority.low {
  background: rgba(78,157,117,0.15);
  color: #4e9d75;
}

/* Stats row mock */
.preview-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  margin-top: 10px;
}

.preview-stat {
  background: #1e1b17;
  border: 1px solid rgba(255,255,255,0.04);
  border-radius: 9px;
  padding: 8px 8px 6px;
  text-align: center;
}

.preview-stat-val {
  display: block;
  font-size: 16px;
  font-weight: 700;
  color: rgba(240,235,228,0.9);
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  line-height: 1;
  margin-bottom: 3px;
}

.preview-stat-lbl {
  display: block;
  font-size: 9px;
  color: rgba(240,235,228,0.35);
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Shimmer pulse on preview (attention-drawing micro-animation) */
@keyframes preview-shimmer {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

/* Smart typing row in the product preview */
.preview-composer {
  margin-top: 14px;
  padding: 8px 10px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(240, 131, 82, 0.35);
}

.preview-composer-input {
  font-size: 11px;
  color: var(--landing-text-primary);
}

.preview-composer-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 6px;
}

.preview-chip {
  font-size: 9px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 999px;
  color: var(--landing-text-primary);
  background: rgba(240, 131, 82, 0.15);
  border: 1px solid rgba(240, 131, 82, 0.35);
}

/* ==========================================================================
   HOW IT WORKS — three plain steps
   ========================================================================== */
.landing-how {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 80px 40px;
}

.landing-how-heading {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: clamp(30px, 3.4vw, 44px);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--landing-text-primary);
  margin: 0 0 40px;
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.landing-how-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  counter-reset: none;
}

.landing-how-step {
  position: relative;
  padding: 28px 26px 26px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 255, 255, 0.08);
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.landing-how-step:nth-child(2) { transition-delay: 0.1s; }
.landing-how-step:nth-child(3) { transition-delay: 0.2s; }

/* A quiet arrow between steps on wide screens */
.landing-how-step:not(:last-child)::after {
  content: "→";
  position: absolute;
  right: -19px;
  top: 34px;
  color: var(--landing-orange);
  font-size: 16px;
  opacity: 0.7;
}

.landing-how-heading.revealed,
.landing-how-step.revealed {
  opacity: 1;
  transform: translateY(0);
}

.landing-how-num {
  display: inline-grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  margin-bottom: 18px;
  font-weight: 700;
  font-size: 14px;
  color: var(--landing-base);
  background: var(--landing-orange);
}

.landing-how-title {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--landing-text-primary);
}

.landing-how-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--landing-text-secondary);
}

/* The quiet "Try without an account" link in the final call to action */
.landing-cta-local {
  font-size: 15px;
  min-height: 44px;
}

@media (max-width: 1024px) {
  .landing-how {
    padding: 24px 48px;
  }
}

@media (max-width: 768px) {
  .landing-how {
    padding: 16px 24px 24px;
  }

  .landing-how-steps {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .landing-how-step {
    padding: 22px 20px;
  }

  .landing-how-step:not(:last-child)::after {
    content: none;
  }

  .landing-cta-actions {
    flex-direction: column;
  }
}

/* ==========================================================================
   SCROLL NARRATIVE SECTIONS
   ========================================================================== */
.landing-sections {
  position: relative;
  z-index: 2;
}

.landing-section {
  padding: 120px 80px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
}

.landing-section.reverse {
  direction: rtl;
}

.landing-section.reverse > * {
  direction: ltr;
}

.landing-section-content {
  /* Reveal animation state */
}

.landing-section-tag {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--landing-orange);
  margin-bottom: 16px;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.landing-section-tag.revealed {
  opacity: 1;
  transform: translateY(0);
}

.landing-section-heading {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: clamp(30px, 3.5vw, 46px);
  font-weight: 400;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--landing-text-primary);
  margin: 0 0 18px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.65s ease 0.1s, transform 0.65s ease 0.1s;
}

.landing-section-heading.revealed {
  opacity: 1;
  transform: translateY(0);
}

.landing-section-heading em {
  font-style: italic;
  color: var(--landing-amber);
}

.landing-section-body {
  font-size: 16px;
  line-height: 1.7;
  color: var(--landing-text-secondary);
  max-width: 400px;
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.65s ease 0.2s, transform 0.65s ease 0.2s;
}

.landing-section-body.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Section visual / illustration box */
.landing-section-visual {
  background: var(--landing-surface);
  border: 1px solid var(--landing-border-sub);
  border-radius: 20px;
  padding: 32px;
  min-height: 260px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  opacity: 0;
  transform: translateY(28px) scale(0.97);
  transition: opacity 0.8s ease 0.1s, transform 0.8s var(--landing-ease-out) 0.1s;
  position: relative;
  overflow: hidden;
}

.landing-section-visual::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(240,131,82,0.25), transparent);
}

.landing-section-visual.revealed {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* Momentum section visual — live cube wave (js/cube-wave.js) with the streak card floating above */
.vis-wave-visual {
  min-height: 380px;
  padding: 0;
  justify-content: flex-end;
  /* Fallback when WebGL2 is unavailable: a soft copper glow. */
  background:
    radial-gradient(ellipse 70% 55% at 50% 58%, rgba(240, 131, 82, 0.16), transparent 70%),
    var(--landing-surface);
}

.vis-wave-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  opacity: 0;
  transition: opacity 1.2s ease 0.2s;
}

.vis-wave-canvas.is-ready {
  opacity: 1;
}

/* Vignette so the floating card stays legible over the brightest crests. */
.vis-wave-visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(13, 11, 9, 0.72) 100%);
  pointer-events: none;
}

.vis-streak-floating {
  position: relative;
  z-index: 1;
  margin: 20px;
  padding: 14px 18px;
  gap: 8px;
  align-self: flex-start;
  border-radius: 16px;
  background: rgba(20, 18, 16, 0.62);
  border: 1px solid var(--landing-border-sub);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}

@media (max-width: 768px) {
  .vis-wave-visual {
    min-height: 320px;
  }

  .vis-streak-floating {
    margin: 16px;
  }
}

/* Today section visual — task list illustration */
.vis-tasks {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.vis-task-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: var(--landing-surface-2);
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.04);
}

.vis-task-circle {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 1.5px solid rgba(240,235,228,0.2);
  flex-shrink: 0;
}

.vis-task-circle.done {
  background: rgba(78,157,117,0.2);
  border-color: #4e9d75;
}

.vis-task-bar {
  height: 8px;
  border-radius: 4px;
  background: rgba(240,235,228,0.1);
  flex: 1;
}

.vis-task-tag {
  height: 18px;
  width: 40px;
  border-radius: 6px;
  background: rgba(240,131,82,0.15);
}

/* Plan section visual — mini calendar */
.vis-calendar {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}

.vis-cal-header {
  font-size: 9px;
  color: var(--landing-text-tertiary);
  font-family: 'Plus Jakarta Sans', sans-serif;
  text-align: center;
  font-weight: 600;
  padding-bottom: 4px;
  text-transform: uppercase;
}

.vis-cal-day {
  width: 28px;
  height: 28px;
  border-radius: 7px;
  background: var(--landing-surface-2);
  border: 1px solid rgba(255,255,255,0.04);
  font-size: 11px;
  color: var(--landing-text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Plus Jakarta Sans', sans-serif;
}

.vis-cal-day.today {
  background: var(--landing-orange);
  color: #0d0b09;
  font-weight: 700;
  border-color: transparent;
}

.vis-cal-day.has-task {
  border-color: rgba(240,131,82,0.3);
}

.vis-cal-day.has-task::after {
  content: '•';
  position: absolute;
  bottom: 2px;
  color: var(--landing-orange);
  font-size: 8px;
}

.vis-cal-day { position: relative; }

/* Momentum (streak) visual */
.vis-streak {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.vis-streak-number {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: 48px;
  font-weight: 400;
  color: var(--landing-orange);
  line-height: 1;
}

.vis-streak-label {
  font-size: 13px;
  color: var(--landing-text-secondary);
  font-family: 'Plus Jakarta Sans', sans-serif;
}

.vis-streak-days {
  display: flex;
  gap: 6px;
  margin-top: 4px;
}

.vis-day-dot {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--landing-surface-2);
  border: 1px solid rgba(255,255,255,0.05);
}

.vis-day-dot.filled {
  background: rgba(240,131,82,0.2);
  border-color: rgba(240,131,82,0.4);
}

/* Data ownership visual */
.vis-data {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.vis-data-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.05);
}

.vis-data-row.local {
  background: rgba(240,235,228,0.04);
}

.vis-data-row.cloud {
  background: rgba(240,131,82,0.08);
  border-color: rgba(240,131,82,0.2);
}

.vis-data-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.vis-data-icon.local-icon {
  background: rgba(240,235,228,0.08);
}

.vis-data-icon.cloud-icon {
  background: rgba(240,131,82,0.15);
}

.vis-data-icon svg {
  color: var(--landing-text-secondary);
}

.vis-data-icon.cloud-icon svg {
  color: var(--landing-orange);
}

.vis-data-text {
  font-family: 'Plus Jakarta Sans', sans-serif;
}

.vis-data-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--landing-text-primary);
}

.vis-data-sub {
  font-size: 11px;
  color: var(--landing-text-tertiary);
  margin-top: 1px;
}

/* ==========================================================================
   FULL-WIDTH CTA SECTION
   ========================================================================== */
.landing-cta {
  padding: 160px 80px 120px;
  text-align: center;
  position: relative;
  z-index: 2;
}

.landing-cta-headline {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: clamp(36px, 5vw, 68px);
  font-weight: 400;
  letter-spacing: -0.025em;
  line-height: 1.1;
  color: var(--landing-text-primary);
  margin: 0 0 20px;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.landing-cta-headline.revealed {
  opacity: 1;
  transform: translateY(0);
}

.landing-cta-sub {
  font-size: 18px;
  color: var(--landing-text-secondary);
  margin: 0 auto 48px;
  max-width: 480px;
  line-height: 1.6;
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease 0.1s, transform 0.7s ease 0.1s;
}

.landing-cta-sub.revealed {
  opacity: 1;
  transform: translateY(0);
}

.landing-cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease 0.2s, transform 0.7s ease 0.2s;
}

.landing-cta-actions.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.landing-footer {
  position: relative;
  z-index: 2;
  padding: 32px 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--landing-border-sub);
}

.landing-footer-left {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.landing-footer-brand {
  display: flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
}

.landing-footer-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--landing-text-secondary);
  font-family: 'Plus Jakarta Sans', sans-serif;
}

.landing-footer-dot {
  color: var(--landing-orange);
  font-size: 10px;
}

.landing-footer-text {
  font-size: 13px;
  color: var(--landing-text-tertiary);
  font-family: 'Plus Jakarta Sans', sans-serif;
}

.landing-footer-links {
  display: flex;
  align-items: center;
  gap: 16px;
}

.landing-footer-link-btn {
  background: none;
  border: none;
  color: var(--landing-text-tertiary);
  font-size: 13px;
  font-weight: 500;
  font-family: 'Plus Jakarta Sans', sans-serif;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
  transition: color 0.15s ease;
}

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

/* ==========================================================================
   APP SHELL — Dashboard visibility toggling
   ========================================================================== */
#appShell {
  display: none; /* Hidden by default; shown by JS routing */
}

#appShell.app-shell-visible {
  display: block;
}

/* ==========================================================================
   DISPLAY NAME ONBOARDING MODAL
   ========================================================================== */
.dn-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(10, 9, 8, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.dn-modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.dn-modal-card {
  background: #1c1915;
  border: 1px solid rgba(240,131,82,0.18);
  border-radius: 20px;
  padding: 48px 44px;
  width: 100%;
  max-width: 440px;
  margin: 20px;
  box-shadow: 0 32px 80px rgba(0,0,0,0.6);
  transform: translateY(20px) scale(0.97);
  transition: transform 0.35s var(--landing-ease-out, cubic-bezier(0.16,1,0.3,1));
}

.dn-modal-overlay.active .dn-modal-card {
  transform: translateY(0) scale(1);
}

.dn-modal-brand {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 32px;
}

.dn-modal-brand-name {
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  font-size: 16px;
  font-weight: 600;
  color: rgba(240,235,228,0.9);
}

.dn-modal-brand-dot {
  color: #f08352;
  font-size: 11px;
}

.dn-modal-headline {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: 28px;
  font-weight: 400;
  line-height: 1.15;
  color: rgba(240,235,228,0.95);
  margin: 0 0 10px;
}

.dn-modal-sub {
  font-size: 14px;
  line-height: 1.6;
  color: rgba(240,235,228,0.5);
  margin: 0 0 32px;
  font-family: 'Plus Jakarta Sans', sans-serif;
}

.dn-modal-field {
  margin-bottom: 8px;
}

.dn-modal-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: rgba(240,235,228,0.45);
  margin-bottom: 8px;
  font-family: 'Plus Jakarta Sans', sans-serif;
}

.dn-modal-input {
  width: 100%;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px;
  padding: 14px 16px;
  font-size: 15px;
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  color: rgba(240,235,228,0.92);
  outline: none;
  transition: border-color 0.2s ease, background 0.2s ease;
  box-sizing: border-box;
}

.dn-modal-input::placeholder {
  color: rgba(240,235,228,0.25);
}

.dn-modal-input:focus {
  border-color: rgba(240,131,82,0.5);
  background: rgba(240,131,82,0.04);
}

.dn-modal-hint {
  font-size: 12px;
  color: rgba(240,235,228,0.3);
  margin: 8px 0 28px;
  font-family: 'Plus Jakarta Sans', sans-serif;
  line-height: 1.5;
}

.dn-modal-error {
  font-size: 13px;
  color: #e74c3c;
  margin: 0 0 16px;
  display: none;
  font-family: 'Plus Jakarta Sans', sans-serif;
}

.dn-modal-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.dn-modal-submit {
  width: 100%;
  padding: 14px;
  background: var(--landing-orange, #f08352);
  color: #0d0b09;
  border: none;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.dn-modal-submit:hover:not(:disabled) {
  background: #f5925f;
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(240,131,82,0.35);
}

.dn-modal-submit:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.dn-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(0,0,0,0.25);
  border-top-color: #0d0b09;
  border-radius: 50%;
  animation: dn-spin 0.7s linear infinite;
}

@keyframes dn-spin {
  to { transform: rotate(360deg); }
}

/* ==========================================================================
   PROFILE EDITOR MODAL
   ========================================================================== */
.profile-editor-overlay {
  position: fixed;
  inset: 0;
  z-index: 8000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(10, 9, 8, 0.65);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.profile-editor-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.profile-editor-card {
  background: #1c1915;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 18px;
  padding: 32px 32px 28px;
  width: 100%;
  max-width: 400px;
  margin: 20px;
  box-shadow: 0 24px 60px rgba(0,0,0,0.5);
  transform: translateY(16px) scale(0.98);
  transition: transform 0.3s var(--landing-ease-out, cubic-bezier(0.16,1,0.3,1));
}

.profile-editor-overlay.active .profile-editor-card {
  transform: translateY(0) scale(1);
}

.profile-editor-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}

.profile-editor-title {
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  font-size: 17px;
  font-weight: 600;
  color: rgba(240,235,228,0.92);
  margin: 0;
}

.profile-editor-close {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  border: none;
  background: rgba(255,255,255,0.06);
  color: rgba(240,235,228,0.6);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease, color 0.2s ease;
}

.profile-editor-close:hover {
  background: rgba(255,255,255,0.1);
  color: rgba(240,235,228,0.9);
}

.profile-editor-field {
  margin-bottom: 18px;
}

.profile-editor-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: rgba(240,235,228,0.4);
  margin-bottom: 7px;
  font-family: 'Plus Jakarta Sans', sans-serif;
}

.profile-editor-input {
  width: 100%;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: 10px;
  padding: 11px 14px;
  font-size: 14px;
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  color: rgba(240,235,228,0.88);
  outline: none;
  transition: border-color 0.2s ease, background 0.2s ease;
  box-sizing: border-box;
}

.profile-editor-input:focus {
  border-color: rgba(240,131,82,0.45);
  background: rgba(240,131,82,0.03);
}

.profile-editor-input:read-only {
  color: rgba(240,235,228,0.38);
  cursor: default;
}

.profile-editor-hint {
  font-size: 11px;
  color: rgba(240,235,228,0.28);
  margin: 5px 0 0;
  font-family: 'Plus Jakarta Sans', sans-serif;
}

.profile-editor-error {
  font-size: 13px;
  color: #e74c3c;
  margin: 0 0 14px;
  display: none;
  font-family: 'Plus Jakarta Sans', sans-serif;
}

.profile-editor-footer {
  display: flex;
  gap: 10px;
  margin-top: 24px;
}

.profile-editor-save {
  flex: 1;
  padding: 11px;
  background: #f08352;
  color: #0d0b09;
  border: none;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.15s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
}

.profile-editor-save:hover:not(:disabled) {
  background: #f5925f;
  transform: translateY(-1px);
}

.profile-editor-save:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.profile-editor-cancel {
  padding: 11px 18px;
  background: rgba(255,255,255,0.05);
  color: rgba(240,235,228,0.6);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 10px;
  font-size: 14px;
  font-weight: 500;
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}

.profile-editor-cancel:hover {
  background: rgba(255,255,255,0.09);
  color: rgba(240,235,228,0.85);
}

/* ==========================================================================
   RESPONSIVE — TABLET & MOBILE
   ========================================================================== */
@media (max-width: 1024px) {
  .landing-hero {
    grid-template-columns: 1fr;
    padding: 100px 48px 60px;
    gap: 48px;
  }

  .preview-window {
    transform: none;
    animation: preview-float-simple 6s ease-in-out infinite;
    max-width: 100%;
  }

  @keyframes preview-float-simple {
    0%, 100% { transform: translateY(0px); }
    50%       { transform: translateY(-6px); }
  }

  .landing-section {
    grid-template-columns: 1fr;
    padding: 80px 48px;
    gap: 40px;
  }

  .landing-section.reverse {
    direction: ltr;
  }

  .landing-cta {
    padding: 100px 48px 80px;
  }

  .landing-footer {
    padding: 28px 48px;
  }

  .landing-nav {
    padding: 18px 28px;
  }
}

@media (max-width: 768px) {
  .landing-hero {
    padding: 90px 24px 48px;
    gap: 36px;
  }

  .preview-body {
    grid-template-columns: 1fr;
    height: auto;
  }

  .preview-sidebar {
    display: none;
  }

  .preview-window {
    transform: none !important;
    animation: preview-float-simple 6s ease-in-out infinite !important;
  }

  .landing-section {
    padding: 60px 24px;
  }

  .landing-nav {
    padding: 14px 20px;
  }

  .landing-nav-actions .landing-nav-link {
    display: none;
  }

  .landing-cta {
    padding: 80px 24px 60px;
  }

  .landing-footer {
    padding: 24px 24px;
    flex-direction: column;
    gap: 10px;
    text-align: center;
  }

  .landing-btn-primary,
  .landing-btn-secondary {
    width: 100%;
    justify-content: center;
  }

  .landing-hero-actions {
    flex-direction: column;
    width: 100%;
  }
}

/* ==========================================================================
   REDUCED MOTION
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  .preview-window,
  .landing-hero-eyebrow,
  .landing-hero-headline,
  .landing-hero-sub,
  .landing-hero-actions,
  .landing-local-mode-link,
  .landing-hero-preview,
  .landing-how-heading,
  .landing-how-step,
  .landing-section-tag,
  .landing-section-heading,
  .landing-section-body,
  .landing-section-visual,
  .landing-cta-headline,
  .landing-cta-sub,
  .landing-cta-actions {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}

/* Quiet but readable (≈6:1 on the landing background) and easy to tap */
.landing-local-mode-link {
  min-height: 44px;
  font-size: 14px;
  color: rgba(240, 235, 228, 0.62);
  text-decoration: underline;
  text-decoration-color: rgba(240, 235, 228, 0.25);
  text-underline-offset: 4px;
}

.landing-local-mode-link:hover {
  color: var(--landing-text-primary);
}