/* ═══════════════════════════════════════════
   InnKeepr Landing Page
   ═══════════════════════════════════════════ */

/* ── Landing Layout ── */
.landing {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

/* ── Header ── */
.landing-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--header-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow 0.3s ease;
}

.landing-header.scrolled {
  box-shadow: 0 1px 12px rgba(28, 25, 23, 0.06);
}

.landing-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.landing-brand {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text);
}

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

.landing-header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* ── Hero — Two Column ── */
.landing-hero {
  padding: 6rem 0 5rem;
  position: relative;
  overflow: hidden;
}

.hero-bg-image {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.hero-bg-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    var(--color-bg) 0%,
    rgba(250, 249, 247, 0.4) 40%,
    rgba(250, 249, 247, 0.15) 70%,
    rgba(250, 249, 247, 0.3) 100%
  );
}


.hero-bg-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
}

.landing-hero-inner {
  position: relative;
  z-index: 1;
}

.hero-eyebrow {
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.landing-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse 70% 60% at 50% 30%,
    rgba(245, 158, 11, 0.06) 0%,
    transparent 70%
  );
  pointer-events: none;
}

.landing-hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.landing-hero h1,
.hero-text h1 {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5vw, 3.25rem);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-5);
}

.landing-hero h1 span,
.hero-text h1 span {
  color: var(--color-accent);
}

.brand-tld {
  color: var(--color-accent);
  font-weight: 600;
}

.hero-sub,
.landing-hero-sub {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  max-width: 500px;
  margin-bottom: 2.5rem;
}

.hero-cta-group,
.landing-hero-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.landing-btn-lg {
  padding: 0.75rem 2rem;
  font-size: 1rem;
  height: 48px;
}

.landing-btn-hero {
  padding: 0.875rem 2.25rem;
  font-size: 1.05rem;
  height: 52px;
  font-weight: 600;
}

.landing-btn-hero.btn-primary {
  box-shadow: 0 4px 20px rgba(180, 83, 9, 0.25), 0 1px 3px rgba(180, 83, 9, 0.15);
}

.landing-btn-hero.btn-primary:hover {
  box-shadow: 0 6px 28px rgba(180, 83, 9, 0.35), 0 2px 6px rgba(180, 83, 9, 0.2);
}

.hero-trust-line {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-top: 1.25rem;
}

.hero-trust-item {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}

.hero-trust-item svg {
  color: var(--color-success);
  flex-shrink: 0;
}

.hero-trust-sep {
  color: var(--color-text-tertiary);
  margin: 0 0.1rem;
}

/* ── Header inline tagline (shows on scroll) ── */
.landing-header-tagline {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 0.3s ease, transform 0.3s ease;
  pointer-events: none;
  white-space: nowrap;
}

.landing-header-tagline strong {
  color: var(--color-text);
  font-weight: 600;
}

.landing-header-tagline.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* ── Phone Mockup ── */
.hero-phone {
  display: flex;
  justify-content: center;
}

.phone-frame {
  width: 270px;
  height: 560px;
  background: #1a1a1e;
  border-radius: 40px;
  padding: 10px;
  position: relative;
  box-shadow:
    inset 0 0 0 1px rgba(255,255,255,0.08),
    0 0 0 1px #0a0a0a,
    0 24px 64px rgba(0, 0, 0, 0.35),
    0 8px 20px rgba(0, 0, 0, 0.15);
  overflow: hidden;
}

.phone-notch {
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  width: 90px;
  height: 22px;
  background: #000;
  border-radius: 14px;
  z-index: 2;
}

.phone-notch::after {
  content: '';
  position: absolute;
  top: 7px;
  right: 18px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #1a1a2e;
  box-shadow: inset 0 0 0 1.5px #0d0d14;
}

.phone-screen {
  width: 100%;
  height: 100%;
  background: var(--color-bg);
  border-radius: 30px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.phone-screen-header,
.phone-header {
  padding: 28px 14px 10px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
  text-align: center;
  flex-shrink: 0;
}

.phone-screen-header-brand {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
}

.phone-screen-header-brand span {
  color: var(--color-accent);
}

.phone-chat-area,
.phone-chat {
  flex: 1;
  padding: 8px 10px;
  display: flex;
  flex-direction: column;
  gap: 5px;
  overflow-y: auto;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

.phone-chat-area::-webkit-scrollbar {
  display: none;
}

/* ── Chat bubble styles (iMessage-like) ── */
.phone-msg {
  max-width: 84%;
  padding: 7px 11px;
  font-size: 11.5px;
  line-height: 1.45;
  opacity: 0;
  transition: opacity 0.35s ease;
}

.phone-msg.visible {
  opacity: 1;
}

.phone-msg-user {
  align-self: flex-end;
  background: #007AFF;
  color: #fff;
  border-radius: 18px 18px 4px 18px;
}

.phone-msg-bot {
  align-self: flex-start;
  background: var(--color-surface-secondary);
  color: var(--color-text);
  border-radius: 18px 18px 18px 4px;
}

/* ── Typing indicator (iMessage style) ── */
.phone-typing {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 8px 14px;
  background: var(--color-surface-secondary);
  border-radius: 18px 18px 18px 4px;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.phone-typing.visible {
  opacity: 1;
}

.phone-typing span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #999;
  animation: imsgDot 1.4s ease-in-out infinite;
}

.phone-typing span:nth-child(2) { animation-delay: 0.2s; }
.phone-typing span:nth-child(3) { animation-delay: 0.4s; }

@keyframes imsgDot {
  0%, 60%, 100% { opacity: 0.35; transform: translateY(0); }
  30% { opacity: 1; transform: translateY(-4px); }
}

.phone-input-bar,
.phone-input {
  padding: 8px 12px;
  border-top: 1px solid var(--color-border-light);
  font-size: 11px;
  color: var(--color-text-tertiary);
  background: var(--color-surface);
  flex-shrink: 0;
}

.phone-input-fake {
  height: 30px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: 0 var(--space-3);
  font-size: 10px;
  color: var(--color-text-tertiary);
  display: flex;
  align-items: center;
}

/* ── Social Proof Bar ── */
.landing-proof {
  padding: 2rem 0;
  background: var(--color-surface-secondary);
  border-top: 1px solid var(--color-border-light);
  border-bottom: 1px solid var(--color-border-light);
  text-align: center;
}

.landing-proof-headline,
.proof-headline {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: 1.5rem;
}

.landing-proof-headline strong,
.proof-headline strong {
  color: var(--color-text);
}

.landing-proof-quotes,
.proof-quotes {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.landing-proof-quote,
.proof-quote {
  max-width: 280px;
  text-align: center;
}

.landing-proof-stars,
.proof-stars {
  color: var(--color-accent);
  font-size: 14px;
  letter-spacing: 2px;
  margin-bottom: 4px;
}

.landing-proof-quote p,
.proof-text {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  font-style: italic;
  line-height: var(--leading-relaxed);
}

.landing-proof-author {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  font-style: normal;
  font-weight: 500;
  margin-top: 0.5rem;
}

/* ── Section Shared ── */
.landing-section-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 600;
  text-align: center;
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

.landing-section-desc {
  text-align: center;
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 3rem;
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
}

/* ── Pain Points ── */
.landing-pain {
  padding: 5rem 0;
}

.landing-pain-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  max-width: 800px;
  margin: 0 auto;
}

.landing-pain-card,
.pain-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--duration-fast) var(--ease),
              box-shadow var(--duration-fast) var(--ease),
              transform var(--duration-fast) var(--ease);
}

.landing-pain-card:hover,
.pain-card:hover {
  border-color: var(--color-text-tertiary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.landing-pain-icon,
.pain-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-bottom: 1rem;
}

.landing-pain-icon.icon-warm {
  background: #FEF2F2;
  color: #B45309;
}

.landing-pain-icon.icon-amber {
  background: var(--color-accent-light);
  color: var(--color-accent);
}

.landing-pain-card strong,
.pain-card h3 {
  display: block;
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 4px;
}

.landing-pain-card p,
.pain-card p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

/* ── How It Works — Inline Rows ── */
.landing-how {
  padding: 5rem 0;
  background: var(--color-surface-secondary);
}

.how-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  max-width: 940px;
  margin: 0 auto;
  padding: 3rem 0;
}

.how-row + .how-row {
  border-top: 1px solid var(--color-border-light);
}

.how-row-reverse {
  direction: rtl;
}

.how-row-reverse > * {
  direction: ltr;
}

.how-row-visual {
  display: flex;
  justify-content: center;
}

.how-visual-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-md);
  width: 100%;
  max-width: 340px;
  opacity: 0;
  transform: translateY(20px) scale(0.97);
  transition: opacity 0.6s ease, transform 0.6s ease,
              box-shadow 0.25s ease, border-color 0.25s ease;
}

.how-visual-card.in-view {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.how-row:nth-child(2) .how-visual-card { transition-delay: 0.1s; }
.how-row:nth-child(3) .how-visual-card { transition-delay: 0.2s; }

.how-visual-card:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-text-tertiary);
}

.how-row-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.landing-how-step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--color-text-inverse);
  font-weight: 600;
  font-size: var(--text-sm);
  margin-bottom: var(--space-3);
}

.how-row-text h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.how-row-text p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  max-width: 380px;
}

/* Mini-mockup pieces inside how-it-works visuals */
.mock-dashboard {
  font-size: var(--text-sm);
}

.mock-dashboard-header {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-base);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text);
}

.mock-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border-light);
  color: var(--color-text-secondary);
}

.mock-row-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: var(--color-accent-light);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.mock-row-label {
  font-weight: 500;
  color: var(--color-text);
  font-size: var(--text-sm);
}

.mock-row-count {
  margin-left: auto;
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
}

.mock-qr-nfc-collage {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: var(--radius-md);
  height: 180px;
}

.collage-img {
  width: 50%;
  height: 100%;
  object-fit: cover;
}

.collage-divider {
  position: absolute;
  top: -10%;
  bottom: -10%;
  left: 50%;
  width: 4px;
  background: #fff;
  transform: translateX(-50%) rotate(8deg);
  z-index: 2;
  box-shadow: 0 0 8px rgba(0,0,0,0.1);
}

.mock-mini-phone {
  width: 200px;
  height: 380px;
  background: #1a1a1e;
  border-radius: 28px;
  margin: 0 auto;
  padding: 6px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

.mock-mini-screen {
  background: var(--color-bg);
  border-radius: 22px;
  height: 100%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.mock-mini-header {
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
  font-family: var(--font-display);
  font-size: 9px;
  font-weight: 600;
  flex-shrink: 0;
}

.mock-mini-header span {
  color: var(--color-accent);
}

.mock-mini-msgs {
  flex: 1;
  padding: var(--space-2);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  justify-content: center;
}

.mock-mini-msg {
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  font-size: 9px;
  line-height: 1.4;
  max-width: 80%;
}

.mock-mini-msg-user {
  align-self: flex-end;
  background: var(--color-accent-light);
}

.mock-mini-msg-bot {
  align-self: flex-start;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}

.mock-mini-input {
  padding: var(--space-2) var(--space-3);
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
  font-size: 8px;
  color: var(--color-text-tertiary);
  flex-shrink: 0;
}

/* ── Features Grid ── */
.landing-features {
  padding: 5rem 0;
}

/* ── Self-Learning AI + Simplify — Merged Section ── */
.landing-ai-section {
  padding: 5rem 0;
  background: #F0EDE8;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
}

/* ── Clean AI layout ── */
.ai-clean-layout {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: var(--space-10);
  align-items: center;
  max-width: 1000px;
  margin: 0 auto;
}

.ai-clean-text {
  padding-right: var(--space-4);
}

.ai-clean-text h2 {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 1.75rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
}

.ai-clean-text p {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: 1.75;
}

/* ── 3D perspective KB cards ── */
.feature-hero-right {
  perspective: 600px;
  display: flex;
  justify-content: center;
  padding: var(--space-4) 0;
}

.float-card-stack {
  position: relative;
  width: 360px;
  height: 300px;
  transform-style: preserve-3d;
  transform: rotateY(-12deg) rotateX(8deg);
  transition: transform 0.5s ease;
}

.float-card-stack:hover {
  transform: rotateY(-8deg) rotateX(5deg);
}

.float-card {
  position: absolute;
  left: 0;
  right: 0;
  width: 340px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 16px 20px;
  box-shadow:
    0 4px 16px rgba(0,0,0,0.06),
    0 1px 4px rgba(0,0,0,0.03);
  transition: transform 0.5s ease, opacity 0.5s ease, box-shadow 0.5s ease;
}

.float-card-1 {
  top: 0;
  z-index: 3;
  box-shadow:
    0 8px 32px rgba(0,0,0,0.1),
    0 2px 8px rgba(0,0,0,0.05);
}

.float-card-2 {
  top: 95px;
  z-index: 2;
  opacity: 0.7;
}

.float-card-3 {
  top: 190px;
  z-index: 1;
  opacity: 0.4;
}

/* Gradient mask that fades cards out toward the bottom */
.float-card-fade {
  position: absolute;
  bottom: -10px;
  left: -20px;
  right: -20px;
  height: 120px;
  background: linear-gradient(
    to bottom,
    transparent 0%,
    #F0EDE8 85%
  );
  z-index: 10;
  pointer-events: none;
}

.float-card-stack:hover .float-card-1 {
  transform: translateY(-3px);
  box-shadow:
    0 12px 40px rgba(0,0,0,0.12),
    0 4px 12px rgba(0,0,0,0.06);
}

.float-card-stack:hover .float-card-2 {
  opacity: 0.8;
  transform: translateY(-2px);
}

.float-card-stack:hover .float-card-3 {
  opacity: 0.5;
}

.float-card-q {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 5px;
}

.float-card-a {
  font-size: 12.5px;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.landing-features-grid,
.landing-value-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  max-width: 900px;
  margin: 0 auto;
}

.landing-feature-card,
.landing-value-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-8);
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.landing-feature-icon,
.landing-value-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--color-accent-light);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-4);
}

.landing-feature-card h3,
.landing-value-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.landing-feature-card p,
.landing-value-card p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

@media (max-width: 768px) {
  .ai-clean-layout {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .ai-clean-text {
    padding-right: 0;
    text-align: center;
  }
}

/* ── The Math ── */
.landing-math {
  padding: 5rem 0;
  background: var(--color-surface-secondary);
  text-align: center;
}

.landing-math-inner {
  max-width: 640px;
  margin: 0 auto;
}

.landing-math-lines,
.math-numbers {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.landing-math-line,
.math-line {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  font-weight: 600;
  color: var(--color-text-secondary);
  line-height: var(--leading-tight);
}

.landing-math-line.math-result,
.math-big {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
}

.math-label {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  margin-top: 0.25rem;
}

.math-number {
  display: inline-block;
  color: var(--color-accent);
  transition: transform 0.4s ease;
}

.math-result.stress .math-number {
  animation: mathStress 0.8s ease-in-out;
}

@keyframes mathStress {
  0% { transform: scale(1) translateX(0); color: var(--color-accent); }
  20% { transform: scale(1.05) translateX(-3px); color: #dc2626; }
  40% { transform: scale(1.05) translateX(3px); color: #dc2626; }
  60% { transform: scale(1.05) translateX(-3px); color: #dc2626; }
  80% { transform: scale(1.05) translateX(2px); color: #dc2626; }
  100% { transform: scale(1) translateX(0); color: var(--color-accent); }
}

.landing-math-callout,
.math-callout {
  display: inline-block;
  padding: 1.5rem 2.5rem;
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 1.2s cubic-bezier(0.16, 1, 0.3, 1), 
              transform 1.2s cubic-bezier(0.16, 1, 0.3, 1), 
              box-shadow 1.2s ease;
  border: 1px solid var(--color-border-light);
  box-shadow: 0 4px 24px rgba(0,0,0,0.03), 0 1px 4px rgba(0,0,0,0.02);
}

.landing-math-callout.visible {
  opacity: 1;
  transform: translateY(0);
  box-shadow: 0 12px 40px rgba(0,0,0,0.06), 0 4px 12px rgba(0,0,0,0.03);
}

.landing-math-callout p {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-text);
  line-height: var(--leading-relaxed);
  position: relative;
}

/* Callout animation elements */
.callout-old-num {
  display: inline;
  color: var(--color-accent);
  font-weight: 600;
  text-decoration: line-through;
  text-decoration-color: transparent;
  transition: opacity 0.8s ease, text-decoration-color 0.8s ease;
}

.landing-math-callout.resolved .callout-old-num {
  text-decoration-color: var(--color-text-tertiary);
  opacity: 0.35;
}

.callout-new-num {
  display: inline-flex;
  align-items: center;
  font-weight: 600;
  color: var(--color-text);
  transition: color 0.8s ease;
  white-space: nowrap;
  vertical-align: baseline;
}

.landing-math-callout.resolved .callout-new-num {
  color: var(--color-success);
}

.callout-checkmark {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  margin-left: 3px;
  stroke-dasharray: 24;
  stroke-dashoffset: 24;
  color: var(--color-success);
  opacity: 0;
}

.landing-math-callout.resolved .callout-checkmark {
  animation: checkDraw 0.5s ease 0.2s forwards;
}

@keyframes checkDraw {
  0% { stroke-dashoffset: 24; opacity: 0; }
  30% { opacity: 1; }
  100% { stroke-dashoffset: 0; opacity: 1; }
}

/* ── Pricing ── */
.landing-pricing {
  padding: 5rem 0;
}

.landing-pricing-tiers-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  max-width: 700px;
  margin: 0 auto;
}

.landing-pricing-card {
  background: var(--color-surface);
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  text-align: center;
  position: relative;
  overflow: visible;
}

.landing-pricing-free {
  border-color: var(--color-border);
  border-width: 1px;
}

.landing-pricing-popular {
  position: relative;
  border-color: var(--color-accent);
  border-width: 2px;
  box-shadow: 0 4px 24px rgba(180, 83, 9, 0.1), 0 1px 4px rgba(0,0,0,0.04);
}

.landing-pricing-badge {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
  background: var(--color-accent);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  white-space: nowrap;
  line-height: 1.4;
}

.landing-pricing-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse 80% 60% at 50% 0%,
    rgba(245, 158, 11, 0.05) 0%,
    transparent 60%
  );
  pointer-events: none;
}

.landing-pricing-free::before {
  background: none;
}

.landing-pricing-card > *:not(.landing-pricing-badge) {
  position: relative;
}

.landing-pricing-tier-label {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}

.landing-pricing-amount {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 600;
  margin-bottom: var(--space-1);
}

.landing-pricing-amount span {
  font-size: var(--text-lg);
  font-weight: 400;
  color: var(--color-text-secondary);
}

.landing-pricing-note {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
}

.landing-pricing-features {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  text-align: left;
  max-width: 300px;
  margin-left: auto;
  margin-right: auto;
}

.landing-pricing-features li {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  padding-left: var(--space-6);
  position: relative;
}

.landing-pricing-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 4px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-success-light);
  border: 2px solid var(--color-success);
}

/* ── NFC Premium Feature Section ── */
.landing-nfc-feature {
  margin-top: 2rem;
  text-align: center;
}

.nfc-feature-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-10);
  align-items: center;
  max-width: 860px;
  margin: 0 auto;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-10);
  box-shadow: var(--shadow-md);
}

.nfc-feature-img {
  display: flex;
  justify-content: center;
  align-items: center;
}

.nfc-puck-photo-lg {
  width: 100%;
  max-width: 300px;
  height: auto;
  object-fit: contain;
  border-radius: var(--radius-md);
  transition: transform 0.3s ease;
}

.nfc-feature-card:hover .nfc-puck-photo-lg {
  transform: scale(1.04);
}

.nfc-feature-details {
  text-align: left;
}

.nfc-feature-price {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

.nfc-feature-price span {
  font-size: var(--text-base);
  font-weight: 400;
  color: var(--color-text-secondary);
}

.nfc-feature-list {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-6) 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.nfc-feature-list li {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  padding-left: 1.5rem;
  position: relative;
}

.nfc-feature-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-success);
  font-weight: 600;
}

/* ── Final CTA ── */
.landing-cta {
  padding: 5rem 0;
  text-align: center;
  background: var(--color-accent);
  color: #fff;
  position: relative;
}

.landing-cta h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 600;
  color: #fff;
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

.landing-cta p {
  color: rgba(255, 255, 255, 0.85);
  font-size: var(--text-base);
  line-height: 1.7;
  margin-bottom: 2rem;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.landing-cta-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.landing-cta .btn-cta-inverse {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-8);
  font-size: var(--text-base);
  font-weight: 600;
  height: 52px;
  border-radius: var(--radius-md);
  background: #fff;
  color: var(--color-accent);
  transition: all var(--duration-fast) var(--ease);
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}

.landing-cta .btn-cta-inverse:hover {
  background: rgba(255, 255, 255, 0.92);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(0,0,0,0.12);
}

.landing-cta .btn-cta-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-8);
  font-size: var(--text-base);
  font-weight: 600;
  height: 52px;
  border-radius: var(--radius-md);
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.5);
  transition: all var(--duration-fast) var(--ease);
}

.landing-cta .btn-cta-outline:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

/* ── Footer ── */
.landing-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-6) 0;
}

.landing-footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.landing-footer-brand {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-tertiary);
}

.landing-footer-brand span {
  color: var(--color-accent);
}

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

.landing-footer-links a {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  transition: color var(--duration-fast) var(--ease);
}

.landing-footer-links a:hover {
  color: var(--color-text);
}

/* ── Scroll Reveal Animation ── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Staggered children cascade */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal-stagger.visible > *:nth-child(1) { transition-delay: 0ms; opacity: 1; transform: none; }
.reveal-stagger.visible > *:nth-child(2) { transition-delay: 80ms; opacity: 1; transform: none; }
.reveal-stagger.visible > *:nth-child(3) { transition-delay: 160ms; opacity: 1; transform: none; }
.reveal-stagger.visible > *:nth-child(4) { transition-delay: 240ms; opacity: 1; transform: none; }
.reveal-stagger.visible > *:nth-child(5) { transition-delay: 320ms; opacity: 1; transform: none; }
.reveal-stagger.visible > *:nth-child(6) { transition-delay: 400ms; opacity: 1; transform: none; }

/* ═══════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════ */

/* ── max-width: 900px — Hero stacks ── */
@media (max-width: 900px) {
  .landing-hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-8);
  }

  .hero-sub,
  .landing-hero-sub {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-cta-group,
  .landing-hero-actions {
    justify-content: center;
  }

  .hero-phone {
    order: 2;
  }
}

/* ── max-width: 768px — How it works stacks ── */
@media (max-width: 768px) {
  .float-card-stack {
    transform: rotateY(-8deg) rotateX(5deg);
    width: 300px;
    height: 260px;
  }

  .float-card {
    width: 280px;
  }

  .how-row {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    text-align: center;
  }

  .how-row-reverse {
    direction: ltr;
  }

  .how-row-text {
    align-items: center;
  }

  .how-row-text p {
    max-width: 100%;
  }

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

/* ── max-width: 600px — Single column grids ── */
@media (max-width: 600px) {
  .landing-pain-grid {
    grid-template-columns: 1fr;
  }

  .landing-proof-quotes,
  .proof-quotes {
    flex-direction: column;
    align-items: center;
    gap: var(--space-4);
  }

  .landing-pricing-tiers-grid {
    grid-template-columns: 1fr;
  }

  .nfc-feature-card {
    grid-template-columns: 1fr;
    text-align: center;
    padding: var(--space-6);
    gap: var(--space-6);
  }

  .nfc-feature-details {
    text-align: center;
  }

  .nfc-feature-list {
    align-items: center;
  }

  .landing-features-grid,
  .landing-value-grid {
    grid-template-columns: 1fr;
  }
}

/* ── max-width: 480px — Compact everything ── */
@media (max-width: 480px) {
  .landing-header-inner {
    height: 52px;
  }

  .landing-brand {
    font-size: var(--text-xl);
  }

  .landing-hero {
    padding: 3rem 0 2.5rem;
  }

  .landing-hero h1,
  .hero-text h1 {
    font-size: clamp(1.6rem, 5vw, 2.2rem);
  }

  .phone-frame {
    width: 240px;
    height: 440px;
    border-radius: 32px;
    padding: 8px;
  }

  .phone-notch {
    top: 8px;
    width: 80px;
    height: 18px;
  }

  .phone-screen {
    border-radius: 24px;
  }

  .landing-btn-lg {
    padding: var(--space-3) var(--space-5);
    font-size: var(--text-sm);
    height: 44px;
  }

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

  .landing-pain,
  .landing-how,
  .landing-features,
  .landing-math,
  .landing-pricing,
  .landing-cta {
    padding: 2.5rem 0;
  }

  .landing-math-line,
  .math-line {
    font-size: clamp(1.1rem, 4vw, 1.5rem);
  }

  .landing-math-line.math-result,
  .math-big {
    font-size: clamp(1.3rem, 5vw, 1.75rem);
  }

  .landing-math-callout,
  .math-callout {
    padding: var(--space-4);
  }

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

  .landing-pricing-amount {
    font-size: var(--text-2xl);
  }

  .landing-cta h2 {
    font-size: var(--text-xl);
  }

  .landing-btn-hero {
    padding: 0.75rem 1.75rem;
    font-size: var(--text-sm);
    height: 46px;
    width: 100%;
  }

  .hero-trust-line {
    font-size: var(--text-xs);
    justify-content: center;
    text-align: center;
  }

  .landing-header-tagline {
    display: none;
  }

  .float-card-stack {
    width: 250px;
    height: 220px;
  }

  .float-card {
    width: 230px;
    padding: 12px 14px;
  }

  .float-card-2 { top: 80px; }
  .float-card-3 { top: 160px; }

  .landing-pricing-popular {
    transform: scale(1);
  }

  .landing-cta-buttons {
    flex-direction: column;
    gap: var(--space-3);
  }

  .landing-cta .btn-cta-inverse,
  .landing-cta .btn-cta-outline {
    width: 100%;
    max-width: 280px;
  }

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

  .hero-cta-group {
    flex-direction: column;
    gap: var(--space-3);
  }
}