/* Landing page layout & sections */
.landing {
  min-height: 100vh;
  background: var(--void);
  position: relative;
}

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

.landing > section,
.landing > footer,
.landing > nav {
  position: relative;
  z-index: 10;
}

/* Hero */
.hero-section {
  padding: 176px 24px 128px;
  max-width: 1400px;
  margin: 0 auto;
  min-height: 90vh;
  display: flex;
  align-items: center;
}

.hero-grid {
  display: grid;
  gap: 64px;
  align-items: center;
  width: 100%;
}

@media (min-width: 1024px) {
  .hero-grid {
    grid-template-columns: 5fr 7fr;
  }
}

.system-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 12px;
  margin-bottom: 32px;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  background: #fff;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.system-pill .pulse-wrap {
  position: relative;
  width: 8px;
  height: 8px;
}

.system-pill .pulse-ring {
  position: absolute;
  inset: 0;
  background: var(--accent);
  border-radius: 50%;
  animation: ping 1.5s cubic-bezier(0, 0, 0.2, 1) infinite;
}

.system-pill .pulse-dot {
  position: relative;
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
}

@keyframes ping {
  75%, 100% { transform: scale(2); opacity: 0; }
}

.hero-title {
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  margin: 0 0 24px;
  display: flex;
  flex-direction: column;
}

.hero-title .serif-accent {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--accent);
  font-size: clamp(48px, 7vw, 84px);
  margin-left: -4px;
  line-height: 1.05;
}

.hero-sub {
  font-size: 18px;
  color: var(--slate-light);
  font-weight: 500;
  line-height: 1.6;
  max-width: 28rem;
  margin: 0 0 40px;
}

.hero-sub strong {
  color: var(--text-dark);
  font-weight: 600;
}

.hero-checks {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 24px;
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--slate);
  font-weight: 500;
}

.hero-checks span {
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero-checks svg {
  width: 14px;
  height: 14px;
  color: var(--accent);
}

.hero-frame {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: var(--surface-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 16px;
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

@media (min-width: 768px) {
  .hero-frame { border-radius: var(--radius-xl); padding: 16px; }
}

.hero-frame-inner {
  flex: 1;
  position: relative;
  border-radius: 1.5rem;
  overflow: hidden;
  background: var(--surface);
}

.hero-frame-inner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%);
  opacity: 0.9;
}

.hero-frame-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, #fff, rgba(255,255,255,0.8), transparent);
}

.hero-ui-bottom {
  position: absolute;
  bottom: 40px;
  left: 40px;
  right: 40px;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}

.hero-node-card {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  padding: 16px;
  border-radius: 16px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  width: 256px;
}

.hero-node-card .label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--slate);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}

.hero-progress {
  height: 8px;
  width: 100%;
  background: var(--surface);
  border-radius: 999px;
  overflow: hidden;
}

.hero-progress-bar {
  height: 100%;
  width: 75%;
  background: var(--accent);
  animation: pulse-bar 2s ease-in-out infinite;
}

@keyframes pulse-bar {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

.hero-server-badge {
  width: 64px;
  height: 64px;
  background: var(--accent);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(0, 112, 243, 0.3);
  border: 4px solid #fff;
}

.hero-server-badge svg { width: 24px; height: 24px; }

/* Features section */
.features-section {
  padding: 128px 24px;
  background: var(--surface-elevated);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.features-inner {
  max-width: 1400px;
  margin: 0 auto;
}

.features-heading {
  font-size: clamp(32px, 4vw, 56px);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  max-width: 32rem;
  margin: 0 0 80px;
}

.features-grid {
  display: grid;
  gap: 32px;
}

@media (min-width: 1024px) {
  .features-grid { grid-template-columns: repeat(3, 1fr); }
}

.feature-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
  min-height: 400px;
}

.feature-card.dark {
  background: var(--text-dark);
  color: #fff;
}

.feature-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  background: rgba(0, 112, 243, 0.05);
  padding: 4px 12px;
  border-radius: 4px;
  display: inline-block;
  width: fit-content;
  margin-bottom: 24px;
}

.feature-card.dark .feature-tag {
  background: rgba(0, 112, 243, 0.2);
}

.feature-card h3 {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 8px;
}

.feature-card > p {
  font-size: 14px;
  color: var(--slate-light);
  margin: 0 0 32px;
  line-height: 1.5;
}

.feature-card.dark > p { color: var(--slate); }

/* Shuffler cards */
.shuffler-stage {
  position: relative;
  flex: 1;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 16px;
}

.shuffle-card {
  position: absolute;
  width: 100%;
  max-width: 280px;
  background: var(--void);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
  transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.shuffle-card .card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.shuffle-card .status {
  font-family: var(--font-mono);
  font-size: 9px;
  padding: 2px 8px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.shuffle-card .status.active {
  background: rgba(0, 112, 243, 0.1);
  color: var(--accent);
}

.shuffle-card .status.idle {
  background: var(--surface);
  color: var(--slate);
}

.shuffle-card .title {
  font-weight: 600;
  font-size: 13px;
}

/* Terminal */
.terminal-box {
  flex: 1;
  background: #111;
  border-radius: 12px;
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  font-family: var(--font-mono);
  font-size: 11px;
  color: #00FF00;
  line-height: 1.6;
  white-space: pre-wrap;
  position: relative;
  overflow: hidden;
}

.terminal-live {
  position: absolute;
  top: 8px;
  right: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 9px;
  color: rgba(0, 255, 0, 0.5);
  letter-spacing: 0.1em;
}

.terminal-live .dot {
  width: 6px;
  height: 6px;
  background: #00FF00;
  border-radius: 50%;
  animation: pulse-bar 1.5s infinite;
}

.terminal-cursor {
  display: inline-block;
  width: 8px;
  height: 1em;
  background: #00FF00;
  animation: blink 1s step-end infinite;
  vertical-align: middle;
  margin-left: 2px;
}

@keyframes blink {
  50% { opacity: 0; }
}

/* Scheduler */
.scheduler-box {
  flex: 1;
  background: var(--surface);
  border-radius: 12px;
  padding: 16px;
  border: 1px solid var(--border);
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.week-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
  width: 100%;
  max-width: 240px;
  margin-bottom: 24px;
}

.week-grid .day-label {
  font-family: var(--font-mono);
  font-size: 8px;
  color: var(--slate);
  text-transform: uppercase;
  text-align: center;
}

.week-grid .day-cell {
  aspect-ratio: 1;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: var(--void);
  transition: background 0.3s, border-color 0.3s;
}

.week-grid .day-cell.active {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 2px 8px rgba(0, 112, 243, 0.2);
}

.deploy-btn {
  width: 100%;
  max-width: 240px;
  background: var(--text-dark);
  color: #fff;
  text-align: center;
  padding: 8px;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.scheduler-cursor {
  position: absolute;
  pointer-events: none;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
  transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s;
  opacity: 0;
}

/* Philosophy */
.philosophy-section {
  padding: 160px 24px;
  max-width: 1400px;
  margin: 0 auto;
}

.philosophy-box {
  position: relative;
  background: var(--text-dark);
  color: #fff;
  border-radius: var(--radius-xl);
  padding: 48px 24px;
  overflow: hidden;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.16);
}

@media (min-width: 768px) {
  .philosophy-box { padding: 96px; }
}

.philosophy-bg {
  position: absolute;
  inset: 0;
  background: url('https://images.unsplash.com/photo-1518770660439-4636190af475?auto=format&fit=crop&w=2000&q=80') center/cover;
  opacity: 0.1;
  mix-blend-mode: overlay;
}

.philosophy-content {
  position: relative;
  z-index: 1;
  max-width: 48rem;
  margin: 0 auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.philosophy-lead {
  font-size: clamp(18px, 2.5vw, 24px);
  color: rgba(255, 255, 255, 0.5);
  font-weight: 500;
  line-height: 1.4;
  margin: 0;
}

.philosophy-lead em {
  font-style: normal;
  color: #fff;
}

.philosophy-focus {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.philosophy-focus .label {
  font-size: clamp(24px, 3vw, 40px);
  font-weight: 700;
  margin-bottom: -10px;
}

.philosophy-focus .serif {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--accent);
  font-size: clamp(48px, 8vw, 110px);
  line-height: 1;
}

/* Protocol */
.protocol-section {
  padding: 128px 24px;
  background: #fff;
  max-width: 64rem;
  margin: 0 auto;
}

.protocol-heading {
  font-size: clamp(32px, 4vw, 56px);
  font-weight: 700;
  letter-spacing: -0.04em;
  text-align: center;
  margin: 0 0 96px;
}

.protocol-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 64px 40px;
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.06);
  margin-bottom: 5vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 48px;
}

@media (min-width: 768px) {
  .protocol-card {
    flex-direction: row;
    padding: 80px;
    gap: 64px;
  }
}

.protocol-icon-wrap {
  width: 128px;
  height: 128px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.protocol-icon-wrap::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(0, 0, 0, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0, 0, 0, 0.02) 1px, transparent 1px);
  background-size: 20px 20px;
  opacity: 0.5;
}

.protocol-icon-inner {
  position: relative;
  z-index: 1;
  background: var(--surface);
  border-radius: 50%;
  padding: 24px;
  border: 1px solid var(--border);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.04);
}

.protocol-icon-inner svg {
  width: 32px;
  height: 32px;
  color: var(--accent);
}

.protocol-body .phase {
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 16px;
}

.protocol-body h3 {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
}

.protocol-body p {
  font-size: 18px;
  color: var(--slate);
  line-height: 1.6;
  margin: 0;
}

/* Pilot CTA */
.pilot-section {
  padding: 128px 24px;
  max-width: 64rem;
  margin: 0 auto;
  display: flex;
  justify-content: center;
}

.pilot-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 48px 24px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

@media (min-width: 1024px) {
  .pilot-box { padding: 96px; }
}

.pilot-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border: 1px solid rgba(0, 112, 243, 0.2);
  background: rgba(0, 112, 243, 0.05);
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 40px;
}

.pilot-badge .dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: ping 1.5s infinite;
}

.pilot-box h2 {
  font-size: clamp(32px, 4vw, 56px);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  max-width: 32rem;
  margin: 0 0 32px;
}

.pilot-box > p {
  font-size: 17px;
  color: var(--slate-light);
  max-width: 36rem;
  line-height: 1.6;
  margin: 0 0 56px;
}

.btn-pilot-lg {
  font-size: 16px;
  padding: 20px 40px;
  border-radius: var(--radius-lg);
}

.btn-pilot-lg:hover { transform: scale(1.03); }

.pilot-footnote {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--slate-light);
  margin-top: 32px;
  font-weight: 500;
}

/* Footer */
.landing-footer {
  background: var(--text-dark);
  color: #fff;
  padding: 48px 24px;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  width: calc(100% - 32px);
  margin: 40px auto 0;
}

.landing-footer-inner {
  max-width: 80rem;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

@media (min-width: 768px) {
  .landing-footer-inner {
    flex-direction: row;
    justify-content: space-between;
  }
}

.landing-footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 16px;
}

.landing-footer-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.5);
}

.landing-footer-status .dot {
  width: 8px;
  height: 8px;
  background: #00FF00;
  border-radius: 50%;
  animation: pulse-bar 2s infinite;
}

.landing-footer-copy {
  font-family: var(--font-mono);
  font-size: 10px;
  color: rgba(255, 255, 255, 0.4);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin: 0;
}

.landing-footer a {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
}

.landing-footer a:hover { color: #fff; }

/* Fade-in animation */
.fade-up {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.7s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.fade-up-delay {
  opacity: 0;
  transform: scale(0.98);
  animation: fadeUpScale 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.2s forwards;
}

@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeUpScale {
  to { opacity: 1; transform: scale(1); }
}

@media (max-width: 767px) {
  .hero-ui-bottom { left: 16px; right: 16px; bottom: 16px; }
  .hero-node-card { width: 180px; }
  .protocol-section { display: block; }
}