/* Landing page — tech / cyber aesthetic, independent from auth & dashboard */

.landing-body {
  --lp-accent: #00ffc8;
  --lp-accent2: #3d8bff;
  --lp-accent-dim: rgba(0, 255, 200, 0.12);
  --lp-glow: rgba(61, 139, 255, 0.35);
  --lp-surface: rgba(8, 14, 28, 0.72);
  --lp-border: rgba(0, 255, 200, 0.18);
  --lp-mono: "Cascadia Code", "Consolas", "Microsoft YaHei", monospace;
}

.landing-body .bg-grid {
  background-size: 40px 40px;
  background-image:
    linear-gradient(rgba(0, 255, 200, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(61, 139, 255, 0.04) 1px, transparent 1px);
}

.landing-body .bg-glow {
  width: 800px;
  height: 800px;
  top: -300px;
  left: 50%;
  transform: translateX(-30%);
  background: radial-gradient(circle, rgba(0, 255, 200, 0.08), transparent 65%);
}

.landing-main {
  position: relative;
  z-index: 1;
  padding: 0;
  max-width: none;
  margin: 0;
}

/* Header */
.landing-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--lp-border);
}

.landing-header__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(5, 8, 16, 0.82);
  backdrop-filter: blur(14px);
}

.landing-header__inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0.85rem 1.5rem;
}

.landing-logo {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
  letter-spacing: 0.04em;
  flex-shrink: 0;
}

.landing-logo__mark {
  color: var(--lp-accent);
  font-size: 1.35rem;
  text-shadow: 0 0 18px rgba(0, 255, 200, 0.5);
}

.landing-nav {
  display: none;
  gap: 0.25rem;
}

.landing-nav a {
  padding: 0.45rem 0.85rem;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.88rem;
  border-radius: 6px;
  transition: color 0.2s, background 0.2s;
}

.landing-nav a:hover {
  color: var(--lp-accent);
  background: var(--lp-accent-dim);
}

.landing-header__actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.landing-btn-ghost {
  border: 1px solid var(--lp-border) !important;
}

.landing-btn-primary {
  box-shadow: 0 0 20px rgba(0, 255, 200, 0.2);
}

.landing-menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 6px;
  background: transparent;
  border: 1px solid var(--lp-border);
  border-radius: 6px;
  cursor: pointer;
}

.landing-menu-toggle span {
  display: block;
  height: 2px;
  background: var(--text);
  border-radius: 1px;
  transition: transform 0.2s, opacity 0.2s;
}

.landing-menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.landing-menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.landing-menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.landing-mobile-nav {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.75rem 1.5rem 1rem;
  background: rgba(5, 8, 16, 0.95);
  border-bottom: 1px solid var(--lp-border);
}

.landing-mobile-nav[hidden] {
  display: none;
}

.landing-mobile-nav a {
  padding: 0.65rem 0.5rem;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
}

.landing-mobile-nav a:hover {
  color: var(--lp-accent);
}

/* Hero */
.landing-hero {
  position: relative;
  min-height: min(92vh, 820px);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 3rem 1.5rem 4rem;
}

.landing-hero__mesh {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(61, 139, 255, 0.18), transparent 55%),
    radial-gradient(ellipse 60% 50% at 80% 60%, rgba(0, 255, 200, 0.1), transparent 50%),
    radial-gradient(ellipse 50% 40% at 10% 80%, rgba(61, 139, 255, 0.12), transparent 45%),
    linear-gradient(180deg, rgba(5, 8, 16, 0.3) 0%, rgba(5, 8, 16, 0.85) 100%);
  animation: landing-mesh-shift 12s ease-in-out infinite alternate;
}

@keyframes landing-mesh-shift {
  0% { filter: hue-rotate(0deg); }
  100% { filter: hue-rotate(12deg); }
}

.landing-hero__scanlines {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 255, 200, 0.015) 2px,
    rgba(0, 255, 200, 0.015) 4px
  );
  pointer-events: none;
}

.landing-hero__content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.landing-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.45rem 1.1rem;
  border: 1px solid rgba(0, 255, 200, 0.35);
  background: rgba(0, 255, 200, 0.06);
  font-family: var(--lp-mono);
  font-size: 0.62rem;
  letter-spacing: 0.28em;
  color: var(--lp-accent);
  border-radius: 2px;
}

.landing-badge__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--lp-accent);
  box-shadow: 0 0 10px var(--lp-accent);
  animation: landing-pulse 2s ease-in-out infinite;
}

@keyframes landing-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

.landing-hero__title {
  margin-top: 2rem;
  font-family: var(--lp-mono);
  font-size: clamp(2rem, 6.5vw, 4.2rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.landing-hero__line {
  display: block;
}

.landing-hero__gradient,
.landing-text-gradient {
  background: linear-gradient(105deg, var(--lp-accent) 0%, #7ee8ff 45%, var(--lp-accent2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.landing-hero__desc {
  margin-top: 1.5rem;
  max-width: 36rem;
  font-size: clamp(0.9rem, 2vw, 1.05rem);
  line-height: 1.85;
  color: var(--text-muted);
}

.landing-hero__cta {
  margin-top: 2.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.landing-cta-primary,
.landing-cta-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 1.75rem;
  font-family: var(--lp-mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-decoration: none;
  border-radius: 2px;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s, background 0.2s;
}

.landing-cta-primary {
  color: #050810;
  background: linear-gradient(135deg, var(--lp-accent), #5dffe0);
  border: none;
  box-shadow: 0 0 32px rgba(0, 255, 200, 0.35);
}

.landing-cta-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 40px rgba(0, 255, 200, 0.5);
  color: #050810;
}

.landing-cta-secondary {
  color: rgba(232, 244, 255, 0.8);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.landing-cta-secondary:hover {
  border-color: var(--lp-accent);
  color: var(--lp-accent);
  background: rgba(0, 255, 200, 0.05);
}

.landing-stats {
  margin-top: 3.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1.5rem 2rem;
}

.landing-stat__value {
  font-family: var(--lp-mono);
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(90deg, var(--lp-accent), var(--lp-accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.landing-stat__label {
  margin-top: 0.25rem;
  font-family: var(--lp-mono);
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  color: rgba(139, 163, 199, 0.65);
}

.landing-stat__sep {
  display: none;
  width: 1px;
  height: 2.5rem;
  background: rgba(255, 255, 255, 0.08);
}

.landing-scroll-hint {
  margin-top: 3rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.landing-scroll-hint__line {
  width: 1px;
  height: 3.5rem;
  background: linear-gradient(180deg, var(--lp-accent), transparent);
}

.landing-scroll-hint span {
  font-family: var(--lp-mono);
  font-size: 0.55rem;
  letter-spacing: 0.35em;
  color: rgba(0, 255, 200, 0.45);
}

/* Ticker */
.landing-ticker {
  overflow: hidden;
  border-block: 1px solid var(--lp-border);
  background: rgba(0, 255, 200, 0.04);
  padding: 0.65rem 0;
}

.landing-ticker__track {
  display: flex;
  width: max-content;
  gap: 2.5rem;
  animation: landing-ticker 35s linear infinite;
  font-family: var(--lp-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  color: rgba(0, 255, 200, 0.65);
}

.landing-ticker__track span::before {
  content: "◆ ";
  color: var(--lp-accent);
  font-size: 0.5rem;
}

@keyframes landing-ticker {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* Sections */
.landing-section {
  max-width: 1280px;
  margin: 0 auto;
  padding: 4.5rem 1.5rem;
}

.landing-section--alt {
  border-block: 1px solid rgba(255, 255, 255, 0.04);
  background: rgba(0, 0, 0, 0.2);
}

.landing-section__head {
  max-width: 40rem;
  margin: 0 auto 3rem;
  text-align: center;
}

.landing-eyebrow {
  font-family: var(--lp-mono);
  font-size: 0.68rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--lp-accent);
}

.landing-section__head h2 {
  margin-top: 0.85rem;
  font-family: var(--lp-mono);
  font-size: clamp(1.5rem, 4vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.landing-section__head p {
  margin-top: 1rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.75;
}

/* Steps */
.landing-steps {
  display: grid;
  gap: 1px;
  background: var(--lp-border);
  border: 1px solid var(--lp-border);
}

.landing-step {
  position: relative;
  padding: 2rem 1.75rem;
  background: var(--lp-surface);
  backdrop-filter: blur(8px);
  overflow: hidden;
  transition: background 0.25s;
}

.landing-step:hover {
  background: rgba(0, 255, 200, 0.04);
}

.landing-step__num {
  position: absolute;
  top: 0.75rem;
  right: 1rem;
  font-family: var(--lp-mono);
  font-size: 3.5rem;
  font-weight: 900;
  color: rgba(0, 255, 200, 0.06);
  line-height: 1;
}

.landing-step__icon {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.landing-step h3 {
  font-family: var(--lp-mono);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.landing-step p {
  margin-top: 0.65rem;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--text-muted);
}

/* Features */
.landing-features {
  display: grid;
  gap: 0.75rem;
}

.landing-feature {
  position: relative;
  padding: 2rem 1.75rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: var(--lp-surface);
  backdrop-filter: blur(8px);
  overflow: hidden;
  transition: border-color 0.25s, background 0.25s;
}

.landing-feature:hover {
  border-color: rgba(0, 255, 200, 0.3);
  background: rgba(0, 255, 200, 0.03);
}

.landing-feature__tag {
  font-family: var(--lp-mono);
  font-size: 0.62rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: rgba(0, 255, 200, 0.7);
  margin-bottom: 0.85rem;
}

.landing-feature h3 {
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.35;
}

.landing-feature p {
  margin-top: 0.85rem;
  max-width: 36rem;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--text-muted);
}

.landing-tags {
  margin-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.landing-tags span {
  padding: 0.35rem 0.65rem;
  border: 1px solid rgba(0, 255, 200, 0.25);
  background: rgba(0, 255, 200, 0.06);
  font-family: var(--lp-mono);
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  color: var(--lp-accent);
  border-radius: 2px;
}

.landing-feature__bg-num {
  position: absolute;
  right: 1rem;
  bottom: -0.25rem;
  font-family: var(--lp-mono);
  font-size: 4.5rem;
  font-weight: 900;
  background: linear-gradient(135deg, rgba(0, 255, 200, 0.12), rgba(61, 139, 255, 0.08));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  pointer-events: none;
}

/* Pipeline */
.landing-pipeline {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0;
  max-width: 900px;
  margin: 0 auto;
}

.landing-pipeline__node {
  text-align: center;
  padding: 1.25rem 1rem;
}

.landing-pipeline__dot {
  width: 12px;
  height: 12px;
  margin: 0 auto 0.75rem;
  border-radius: 50%;
  background: var(--lp-accent);
  box-shadow: 0 0 16px var(--lp-accent);
}

.landing-pipeline__node h4 {
  font-family: var(--lp-mono);
  font-size: 0.9rem;
  letter-spacing: 0.04em;
}

.landing-pipeline__node p {
  margin-top: 0.35rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.landing-pipeline__connector {
  width: 2px;
  height: 2rem;
  margin: 0 auto;
  background: linear-gradient(180deg, var(--lp-accent), var(--lp-accent2));
  opacity: 0.4;
}

/* CTA block */
.landing-cta-block {
  position: relative;
  margin: 0 1.5rem 4rem;
  max-width: 900px;
  margin-inline: auto;
  padding: 3rem 2rem;
  text-align: center;
  border: 1px solid var(--lp-border);
  border-radius: 4px;
  background: var(--lp-surface);
  overflow: hidden;
}

.landing-cta-block__glow {
  position: absolute;
  inset: -50%;
  background: radial-gradient(circle at 50% 50%, var(--lp-glow), transparent 55%);
  opacity: 0.35;
  pointer-events: none;
}

.landing-cta-block h2 {
  position: relative;
  font-family: var(--lp-mono);
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 700;
}

.landing-cta-block p {
  position: relative;
  margin-top: 0.75rem;
  color: var(--text-muted);
}

.landing-cta-block__actions {
  position: relative;
  margin-top: 1.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

/* Footer */
.landing-footer {
  border-top: 1px solid var(--lp-border);
  padding: 2rem 1.5rem 2.5rem;
  background: rgba(0, 0, 0, 0.35);
}

.landing-footer__inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  text-align: center;
}

.landing-footer__brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
}

.landing-footer__copy {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.landing-footer__icp {
  width: 100%;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.landing-footer__icp a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.landing-footer__icp a:hover {
  color: var(--lp-accent);
}

.landing-footer__links {
  display: flex;
  gap: 1.25rem;
}

.landing-footer__links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
}

.landing-footer__links a:hover {
  color: var(--lp-accent);
}

/* Reveal animation */
.landing-reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Responsive */
@media (min-width: 640px) {
  .landing-stat__sep { display: block; }
}

@media (min-width: 768px) {
  .landing-nav { display: flex; }
  .landing-menu-toggle { display: none; }

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

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

  .landing-feature--wide {
    grid-column: span 2;
  }

  .landing-pipeline {
    flex-direction: row;
    align-items: center;
    justify-content: center;
  }

  .landing-pipeline__connector {
    width: 3rem;
    height: 2px;
    flex-shrink: 0;
  }

  .landing-pipeline__node {
    flex: 1;
    min-width: 0;
  }
}

@media (min-width: 1024px) {
  .landing-steps {
    grid-template-columns: repeat(4, 1fr);
  }
}