/* Lecturn — Premium landing page */

.landing-page {
  padding: 0;
  overflow-x: clip;
}

.landing-page .global-nav {
  background: color-mix(in srgb, var(--color-surface-0) 72%, transparent);
  border-bottom-color: color-mix(in srgb, var(--color-border-subtle) 60%, transparent);
}

.landing-page .global-nav-landing .container {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: var(--space-4);
}

.landing-page .global-nav-landing .nav-brand {
  justify-self: start;
}

.landing-page .global-nav-landing .nav-links {
  justify-self: center;
  gap: var(--space-1);
}

.landing-page .global-nav-landing .nav-actions {
  justify-self: end;
}

.landing-page .landing-nav-cta {
  min-height: 38px;
  padding: var(--space-2) var(--space-4);
  font-size: 0.8125rem;
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--color-accent-500) 35%, transparent);
}

.landing-page .landing-nav-cta:hover {
  transform: translateY(-1px);
}

@media (max-width: 768px) {
  .landing-page .global-nav-landing .container {
    display: flex;
    justify-content: space-between;
  }
  .landing-page .global-nav-landing .nav-links {
    justify-self: stretch;
  }
}

/* ── Hero ── */
.lp-hero {
  position: relative;
  padding: clamp(3rem, 8vw, 6rem) 0 clamp(4rem, 10vw, 7rem);
  isolation: isolate;
}

.lp-hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.lp-hero-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 90% 60% at 15% -10%, color-mix(in srgb, var(--color-accent-500) 22%, transparent), transparent 55%),
    radial-gradient(ellipse 70% 50% at 95% 20%, color-mix(in srgb, var(--color-secondary-500) 14%, transparent), transparent 50%),
    radial-gradient(ellipse 50% 40% at 50% 100%, color-mix(in srgb, var(--color-accent-500) 8%, transparent), transparent 60%);
}

.lp-hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(color-mix(in srgb, var(--color-border-subtle) 35%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--color-border-subtle) 35%, transparent) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, black 20%, transparent 75%);
  opacity: 0.45;
}

.lp-hero-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-4);
  display: grid;
  gap: clamp(2.5rem, 6vw, 4rem);
  align-items: center;
}

@media (min-width: 1060px) {
  .lp-hero-inner {
    grid-template-columns: 1fr 1.05fr;
    gap: var(--space-8);
  }
}

.lp-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3) var(--space-1) var(--space-2);
  border-radius: var(--radius-full);
  border: 1px solid color-mix(in srgb, var(--color-accent-500) 35%, transparent);
  background: color-mix(in srgb, var(--color-accent-500) 10%, var(--color-surface-1));
  color: var(--color-accent-400);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: var(--space-5);
  animation: lp-fade-up 0.7s var(--ease-enter) both;
}

.lp-badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-success);
  box-shadow: 0 0 12px var(--color-success);
  animation: lp-pulse 2.4s ease-in-out infinite;
}

.lp-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.25rem);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: -0.035em;
  margin-bottom: var(--space-5);
  animation: lp-fade-up 0.7s 0.08s var(--ease-enter) both;
}

.lp-title-accent {
  background: linear-gradient(135deg, var(--color-accent-400) 0%, var(--color-accent-300) 45%, var(--color-secondary-400) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lp-lead {
  font-size: clamp(1.0625rem, 2vw, 1.25rem);
  color: var(--color-text-secondary);
  line-height: 1.65;
  max-width: 34rem;
  margin-bottom: var(--space-8);
  animation: lp-fade-up 0.7s 0.16s var(--ease-enter) both;
}

.lp-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
  animation: lp-fade-up 0.7s 0.24s var(--ease-enter) both;
}

.lp-btn-glow {
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--color-accent-500) 40%, transparent),
    0 8px 32px color-mix(in srgb, var(--color-accent-500) 28%, transparent);
}
.lp-btn-glow:hover {
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--color-accent-400) 55%, transparent),
    0 12px 40px color-mix(in srgb, var(--color-accent-500) 36%, transparent);
  transform: translateY(-1px);
}

.lp-note {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  animation: lp-fade-up 0.7s 0.32s var(--ease-enter) both;
}

.lp-stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
  margin-top: var(--space-10);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border-subtle);
  animation: lp-fade-up 0.7s 0.4s var(--ease-enter) both;
}

.lp-stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
  line-height: 1.2;
}

.lp-stat span {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

/* ── Product mockup ── */
.lp-mockup-wrap {
  position: relative;
  animation: lp-fade-up 0.9s 0.2s var(--ease-enter) both;
}

.lp-mockup-glow {
  position: absolute;
  inset: -20% -10%;
  background: radial-gradient(circle, color-mix(in srgb, var(--color-accent-500) 18%, transparent), transparent 65%);
  filter: blur(40px);
  z-index: -1;
}

.lp-mockup {
  border-radius: var(--radius-xl);
  border: 1px solid color-mix(in srgb, var(--color-border-subtle) 80%, var(--color-accent-500));
  background: color-mix(in srgb, var(--color-surface-1) 92%, transparent);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-lg), 0 0 0 1px color-mix(in srgb, white 4%, transparent) inset;
  overflow: hidden;
  transform: perspective(1200px) rotateY(-4deg) rotateX(2deg);
  transition: transform 0.6s var(--ease-default);
}

.lp-mockup-wrap:hover .lp-mockup {
  transform: perspective(1200px) rotateY(-1deg) rotateX(0.5deg);
}

.lp-mockup-bar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border-subtle);
  background: color-mix(in srgb, var(--color-surface-2) 60%, transparent);
}

.lp-mockup-dots {
  display: flex;
  gap: 6px;
}
.lp-mockup-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-border);
}
.lp-mockup-dots span:first-child { background: #ff5f57; }
.lp-mockup-dots span:nth-child(2) { background: #febc2e; }
.lp-mockup-dots span:nth-child(3) { background: #28c840; }

.lp-mockup-url {
  flex: 1;
  text-align: center;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
}

.lp-mockup-body {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  min-height: 300px;
}

@media (max-width: 520px) {
  .lp-mockup-body { grid-template-columns: 1fr; }
  .lp-mockup { transform: none; }
}

.lp-mockup-slide {
  padding: var(--space-5);
  border-right: 1px solid var(--color-border-subtle);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.lp-slide-frame {
  flex: 1;
  min-height: 200px;
  border-radius: var(--radius-md);
  padding: 3px;
  background: linear-gradient(145deg, color-mix(in srgb, var(--color-accent-500) 25%, var(--color-border)), var(--color-border-subtle));
  border: 1px solid var(--color-border-subtle);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}

.lp-slide-deck {
  height: 100%;
  min-height: 194px;
  border-radius: calc(var(--radius-md) - 2px);
  background: linear-gradient(180deg, #ffffff 0%, #f8f6f2 100%);
  padding: var(--space-3) var(--space-3) var(--space-2);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  color: #1a1614;
  overflow: hidden;
}

.lp-slide-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}

.lp-slide-num {
  font-size: 0.5625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #8a847a;
}

.lp-slide-tag {
  font-size: 0.5625rem;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: var(--radius-full);
  background: color-mix(in srgb, var(--color-accent-500) 18%, #fff);
  color: #9a6b10;
}

.lp-slide-title {
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: #131d2e;
  margin: 0;
}

.lp-slide-content {
  flex: 1;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-2);
  align-items: end;
  min-height: 0;
}

.lp-slide-bullets {
  margin: 0;
  padding: 0 0 0 0.85rem;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.lp-slide-bullets li {
  position: relative;
  font-size: 0.5625rem;
  line-height: 1.35;
  color: #4a4640;
}

.lp-slide-bullets li::before {
  content: "";
  position: absolute;
  left: -0.65rem;
  top: 0.45em;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-accent-500);
}

.lp-slide-chart {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 5px;
  height: 100%;
  min-height: 72px;
  padding: var(--space-1);
  border-radius: var(--radius-sm);
  background: #f0ede8;
  border: 1px solid #e0dbd4;
}

.lp-chart-bar {
  flex: 1;
  max-width: 22px;
  height: var(--h, 50%);
  border-radius: 3px 3px 0 0;
  background: linear-gradient(to top, #2a3a55, #4a6080);
  position: relative;
  align-self: flex-end;
}

.lp-chart-bar.accent {
  background: linear-gradient(to top, #c88820, var(--color-accent-500));
}

.lp-chart-bar span {
  position: absolute;
  bottom: -14px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.4375rem;
  font-weight: 600;
  color: #8a847a;
  white-space: nowrap;
}

.lp-slide-footer {
  font-size: 0.5rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #8a847a;
  padding-top: var(--space-1);
  border-top: 1px solid #e8e4de;
  margin-top: auto;
}

[data-theme="light"] .lp-slide-deck {
  background: linear-gradient(180deg, #ffffff 0%, #fafaf8 100%);
}

/* legacy placeholders removed */
.lp-slide-line {
  display: none;
}

.lp-mockup-panel {
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.lp-script-block {
  flex: 1;
  font-size: 0.8125rem;
  line-height: 1.55;
  color: var(--color-text-secondary);
}

.lp-waveform {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 36px;
}

.lp-waveform span {
  flex: 1;
  border-radius: 2px;
  background: linear-gradient(to top, var(--color-accent-500), var(--color-accent-300));
  animation: lp-wave 1.2s ease-in-out infinite alternate;
  opacity: 0.85;
}
.lp-waveform span:nth-child(odd) { animation-delay: 0.15s; }
.lp-waveform span:nth-child(3n) { animation-delay: 0.3s; }

.lp-caption-bar {
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.75);
  color: #fff;
  font-size: 0.6875rem;
  text-align: center;
  align-self: center;
  min-width: 80%;
}

/* ── Sections ── */
.lp-section {
  padding: clamp(3.5rem, 8vw, 6rem) 0;
}

.lp-section-alt {
  background: color-mix(in srgb, var(--color-surface-1) 55%, transparent);
  border-block: 1px solid var(--color-border-subtle);
}

.lp-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.lp-section-head {
  text-align: center;
  max-width: 40rem;
  margin: 0 auto var(--space-12);
}

.lp-eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent-400);
  margin-bottom: var(--space-3);
}

.lp-section-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.12;
  margin-bottom: var(--space-4);
}

.lp-section-desc {
  font-size: 1.0625rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ── Steps ── */
.lp-steps {
  display: grid;
  gap: var(--space-5);
}

@media (min-width: 768px) {
  .lp-steps { grid-template-columns: repeat(3, 1fr); }
}

.lp-step {
  position: relative;
  padding: var(--space-6);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border-subtle);
  background: var(--color-surface-1);
  transition: border-color var(--duration-normal), transform var(--duration-normal), box-shadow var(--duration-normal);
}

.lp-step:hover {
  border-color: color-mix(in srgb, var(--color-accent-500) 40%, transparent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.lp-step-num {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9375rem;
  background: linear-gradient(135deg, var(--color-accent-500), var(--color-accent-400));
  color: var(--color-primary-900);
  margin-bottom: var(--space-4);
}

.lp-step h3 {
  font-size: 1.125rem;
  margin-bottom: var(--space-2);
}

.lp-step p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.55;
  margin: 0;
}

/* ── Bento grid ── */
.lp-bento {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: minmax(140px, auto);
}

.lp-bento-card {
  grid-column: span 12;
  padding: var(--space-6);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border-subtle);
  background: var(--color-surface-1);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: border-color var(--duration-normal), box-shadow var(--duration-normal);
}

.lp-bento-card:hover {
  border-color: color-mix(in srgb, var(--color-accent-500) 35%, transparent);
  box-shadow: var(--shadow-md);
}

@media (min-width: 768px) {
  .lp-bento-card.span-7 { grid-column: span 7; }
  .lp-bento-card.span-5 { grid-column: span 5; }
  .lp-bento-card.span-4 { grid-column: span 4; }
  .lp-bento-card.span-8 { grid-column: span 8; }
  .lp-bento-card.tall { min-height: 220px; }
}

.lp-bento-icon {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 700;
  background: color-mix(in srgb, var(--color-accent-500) 14%, transparent);
  color: var(--color-accent-400);
  flex-shrink: 0;
}

.lp-bento-card h3 {
  font-size: 1.0625rem;
}

.lp-bento-card p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.55;
  margin: 0;
}

.lp-lang-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: auto;
  padding-top: var(--space-3);
}

.lp-lang-tag {
  font-size: 0.6875rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: color-mix(in srgb, var(--color-surface-2) 80%, var(--color-accent-500));
  border: 1px solid var(--color-border-subtle);
  color: var(--color-text-secondary);
}

/* ── Comparison strip ── */
.lp-compare {
  display: grid;
  gap: var(--space-4);
}

@media (min-width: 768px) {
  .lp-compare { grid-template-columns: 1fr 1fr; }
}

.lp-compare-card {
  padding: var(--space-6);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border-subtle);
}

.lp-compare-card.old {
  background: color-mix(in srgb, var(--color-surface-2) 50%, transparent);
  opacity: 0.85;
}

.lp-compare-card.new {
  background: linear-gradient(145deg, color-mix(in srgb, var(--color-accent-500) 8%, var(--color-surface-1)), var(--color-surface-1));
  border-color: color-mix(in srgb, var(--color-accent-500) 30%, transparent);
}

.lp-compare-label {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.lp-compare-card.new .lp-compare-label { color: var(--color-accent-400); }

.lp-compare-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.lp-compare-card li {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  padding-left: 1.5rem;
  position: relative;
}

.lp-compare-card li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--color-text-muted);
}

.lp-compare-card.new li::before {
  content: "✓";
  color: var(--color-success);
  font-weight: 700;
}

/* ── FAQ ── */
.lp-faq {
  max-width: 42rem;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.lp-faq-item {
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  background: var(--color-surface-1);
  overflow: hidden;
  transition: border-color var(--duration-fast);
}

.lp-faq-item[open] {
  border-color: color-mix(in srgb, var(--color-accent-500) 35%, transparent);
}

.lp-faq-item summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9375rem;
  padding: var(--space-4) var(--space-5);
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.lp-faq-item summary::-webkit-details-marker { display: none; }

.lp-faq-item summary::after {
  content: "+";
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--color-text-muted);
  transition: transform var(--duration-fast);
}

.lp-faq-item[open] summary::after {
  transform: rotate(45deg);
  color: var(--color-accent-400);
}

.lp-faq-item p {
  margin: 0;
  padding: 0 var(--space-5) var(--space-5);
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ── CTA ── */
.lp-cta {
  position: relative;
  padding: clamp(3rem, 8vw, 5rem) var(--space-4);
  margin: var(--space-12) var(--space-4) var(--space-16);
  max-width: calc(var(--container-max) - var(--space-8));
  margin-inline: auto;
  border-radius: calc(var(--radius-xl) * 1.5);
  text-align: center;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--color-accent-500) 30%, transparent);
  background: linear-gradient(135deg, color-mix(in srgb, var(--color-accent-500) 12%, var(--color-surface-1)), var(--color-surface-1));
}

.lp-cta-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 50%, color-mix(in srgb, var(--color-accent-500) 20%, transparent), transparent 55%);
  pointer-events: none;
}

.lp-cta h2 {
  position: relative;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  letter-spacing: -0.03em;
  margin-bottom: var(--space-4);
}

.lp-cta p {
  position: relative;
  color: var(--color-text-secondary);
  max-width: 32rem;
  margin: 0 auto var(--space-6);
  font-size: 1.0625rem;
}

.lp-cta-actions {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
}

/* ── Footer ── */
.lp-footer {
  padding: var(--space-8) 0 var(--space-10);
  border-top: 1px solid var(--color-border-subtle);
}

.lp-footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.lp-footer-brand {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.lp-footer-copy {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

/* ── Scroll reveal ── */
.lp-reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease-enter), transform 0.7s var(--ease-enter);
}

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

/* ── Animations ── */
@keyframes lp-fade-up {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes lp-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes lp-wave {
  from { height: 20%; }
  to { height: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .lp-badge, .lp-title, .lp-lead, .lp-actions, .lp-note, .lp-stats,
  .lp-mockup-wrap, .lp-reveal {
    animation: none;
    opacity: 1;
    transform: none;
    transition: none;
  }
  .lp-waveform span { animation: none; height: 60%; }
  .lp-mockup { transform: none; }
}