/* SAOA marketing site — shared styles (homepage + Structure Assistant) */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: oklch(0.985 0.005 245);
  --bg2: oklch(0.972 0.007 248);
  --dark: oklch(0.13 0.04 252);
  --text: oklch(0.17 0.04 250);
  --t2: oklch(0.40 0.04 250);
  --t3: oklch(0.60 0.03 250);
  --rule: oklch(0.885 0.018 248);
  --accent: #286ea4;
  --shadow-sm: 0 1px 4px oklch(0.17 0.04 250 / 0.06), 0 4px 16px oklch(0.17 0.04 250 / 0.06);
  --shadow-md: 0 4px 24px oklch(0.17 0.04 250 / 0.10);
  --shadow-md-lg: 0 4px 28px oklch(0.17 0.04 250 / 0.11);
  --nav-h: 58px;
  --section-pad-y: clamp(56px, 8vw, 88px);
  --section-pad-x: 5vw;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: "DM Sans", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.mono { font-family: "DM Mono", ui-monospace, monospace; }

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.65s cubic-bezier(0.22, 0.68, 0, 1.05), transform 0.65s cubic-bezier(0.22, 0.68, 0, 1.05);
}
.reveal.in { opacity: 1; transform: none; }
.d1 { transition-delay: 0.08s; }
.d2 { transition-delay: 0.16s; }
.d3 { transition-delay: 0.24s; }
.d4 { transition-delay: 0.32s; }
.d5 { transition-delay: 0.4s; }
.d6 { transition-delay: 0.48s; }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.chip-live {
  background: oklch(0.93 0.07 145 / 0.6);
  border: 1px solid oklch(0.78 0.1 145);
  color: oklch(0.35 0.12 145);
}
.chip-soon {
  background: oklch(0.93 0.01 250);
  border: 1px solid oklch(0.86 0.02 250);
  color: var(--t3);
}
.chip-accent { color: var(--accent); border: 1px solid currentColor; background: transparent; }
.chip-phase {
  background: oklch(0.94 0.05 248 / 0.5);
  border: 1px solid oklch(0.8 0.09 248);
  color: var(--accent);
}

#tweaks-panel {
  display: none;
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: white;
  border: 1px solid var(--rule);
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  padding: 20px 22px;
  z-index: 9999;
  width: 240px;
  font-family: "DM Sans", sans-serif;
  font-size: 13px;
}
#tweaks-panel.visible { display: block; }
#tweaks-panel h4 {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--t3);
  margin-bottom: 14px;
}
#tweaks-panel label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 12px;
  color: var(--t2);
  font-weight: 500;
  font-size: 12px;
}
#tweaks-panel select,
#tweaks-panel input[type="color"] {
  border: 1px solid var(--rule);
  border-radius: 6px;
  padding: 5px 8px;
  font-family: inherit;
  font-size: 12px;
  background: var(--bg);
  color: var(--text);
  cursor: pointer;
  width: 100%;
}
#tweaks-panel input[type="color"] { height: 32px; padding: 2px 4px; }

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  border-radius: 2px;
  background: var(--rule);
  outline: none;
  cursor: pointer;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  box-shadow: 0 1px 4px oklch(0.17 0.04 250 / 0.2);
}

/* —— Structure Assistant: Rhino panel chrome (iframe wrapper) —— */
.rhino-panel-chrome {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 24px 80px oklch(0.17 0.04 250 / 0.18), 0 2px 0 oklch(0.17 0.04 250 / 0.06);
  border: 1px solid var(--rule);
  background: oklch(0.96 0.008 248);
  max-width: 100%;
}
.rhino-panel-chrome__titlebar {
  background: oklch(0.96 0.008 248);
  border-bottom: 1px solid var(--rule);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.rhino-panel-chrome__dots {
  display: flex;
  gap: 6px;
}
.rhino-panel-chrome__dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.rhino-panel-chrome__iframe-wrap {
  width: 100%;
  max-width: 692px;
  margin: 0 auto;
  background: #eef2f7;
  line-height: 0;
}
.rhino-panel-chrome__iframe-wrap iframe {
  width: 100%;
  max-width: 692px;
  height: min(82vh, 782px);
  min-height: 480px;
  border: none;
  display: block;
}

/* —— Homepage: responsive grids —— */
@media (max-width: 1024px) {
  .sa-modules-future {
    grid-template-columns: repeat(3, 1fr) !important;
  }
  .sa-platform-grid {
    grid-template-columns: 1fr !important;
    gap: 40px !important;
  }
  .sa-structure-grid {
    grid-template-columns: 1fr !important;
  }
  .sa-hero-diagram {
    display: none !important;
  }
}

@media (max-width: 768px) {
  .sa-nav-inner {
    flex-wrap: wrap;
    height: auto !important;
    min-height: var(--nav-h);
    padding-top: 10px !important;
    padding-bottom: 10px !important;
    gap: 12px;
  }
  .sa-nav-links {
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 12px 18px !important;
  }
  .sa-modules-future {
    grid-template-columns: repeat(2, 1fr) !important;
  }
  .sa-workflow-timeline {
    grid-template-columns: 1fr !important;
  }
  .sa-workflow-timeline > * {
    grid-column: 1 / -1 !important;
  }
}

@media (max-width: 520px) {
  .sa-modules-future {
    grid-template-columns: 1fr !important;
  }
}

/* Structure Assistant page */
.sa-arch-grid {
  align-items: stretch;
}
@media (max-width: 1024px) {
  .sa-arch-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }
}
@media (max-width: 640px) {
  .sa-arch-grid {
    grid-template-columns: 1fr !important;
  }
}

.sa-hero-two-col {
  grid-template-columns: 1fr 1fr;
}
@media (max-width: 1024px) {
  .sa-hero-two-col {
    grid-template-columns: 1fr !important;
    gap: 40px !important;
  }
}

/* Structure Assistant hero: real Rhino screenshot */
.sa-hero-screenshot-cell {
  justify-self: end;
  width: 100%;
  max-width: 1020px;
}
@media (max-width: 1024px) {
  .sa-hero-screenshot-cell {
    justify-self: center;
    max-width: min(100%, 840px);
  }
}

.sa-hero-screenshot__frame {
  border-radius: 14px;
}

.sa-hero-screenshot__imgwrap {
  overflow: hidden;
  max-height: min(78vh, 580px);
}
@media (max-width: 640px) {
  .sa-hero-screenshot__imgwrap {
    max-height: min(70vh, 420px);
  }
}

.sa-hero-screenshot__img {
  image-rendering: auto;
}

/* System pipeline — matches How it works / architecture card rhythm */
.sa-pipeline-steps-grid {
  align-items: stretch;
}
@media (max-width: 900px) {
  .sa-pipeline-steps-grid {
    grid-template-columns: 1fr !important;
  }
}

.sa-pipeline-split {
  align-items: stretch;
}
@media (max-width: 900px) {
  .sa-pipeline-split {
    grid-template-columns: 1fr !important;
  }
}

.sa-pipeline-features-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  align-items: stretch;
}
@media (max-width: 1024px) {
  .sa-pipeline-features-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (max-width: 640px) {
  .sa-pipeline-features-grid {
    grid-template-columns: 1fr;
  }
}

.sa-pipeline-feature-bar__item {
  min-width: 0;
  background: white;
  border: 1px solid var(--rule);
  border-radius: 14px;
  padding: 16px 14px;
  box-shadow: var(--shadow-sm);
}
.sa-pipeline-feature-bar__item strong {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.02em;
  margin-bottom: 4px;
}
.sa-pipeline-feature-bar__item span {
  font-size: 12px;
  color: var(--t2);
  line-height: 1.45;
}

.sa-workflow-cols {
  align-items: stretch;
}
@media (max-width: 900px) {
  .sa-workflow-cols {
    grid-template-columns: 1fr !important;
  }
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.2; }
}