/* SpeedInfer Product & Platform Architecture Stylesheet */
.product-page {
  background: var(--paper, #fafbf7);
  color: var(--ink, #19291f);
  font-family: var(--font-sans, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif);
  line-height: 1.6;
}

.product-page .site-width {
  width: min(1240px, calc(100% - 96px));
  margin: 0 auto;
}

.product-topbar {
  background: #1f3226;
  color: #e4eadc;
  text-align: center;
  padding: 12px 24px;
  font-size: 11.5px;
  letter-spacing: 0.3px;
  border-bottom: 1px solid rgba(220, 248, 144, 0.15);
}

.product-topbar a {
  color: #dcf890;
  margin-left: 14px;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Hero Section */
.product-hero {
  padding: 80px 0 60px;
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 64px;
  align-items: center;
}

.product-eyebrow {
  font: 600 11px/1.6 var(--font-mono, monospace);
  letter-spacing: 1.4px;
  text-transform: uppercase;
  color: #556c42;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  background: #ecf3e2;
  padding: 4px 12px;
  border-radius: 999px;
  border: 1px solid #d5e5c7;
}

.product-eyebrow .pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 0 2px rgba(34, 197, 94, 0.3);
}

.product-hero h1 {
  font-size: clamp(40px, 4.8vw, 64px);
  line-height: 1.08;
  letter-spacing: -0.04em;
  font-weight: 600;
  margin: 0 0 24px;
  color: #122115;
}

.product-hero h1 em {
  font-style: normal;
  color: #5d744b;
}

.product-hero p.lead {
  font-size: clamp(16px, 1.8vw, 19px);
  color: #586751;
  line-height: 1.65;
  margin: 0 0 32px;
  max-width: 600px;
}

.product-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
}

/* Strategic Positioning Banner */
.positioning-banner {
  background: #ffffff;
  border: 1px solid #dbe3d2;
  border-radius: 18px;
  padding: 36px 40px;
  margin: 40px 0 60px;
  box-shadow: 0 8px 30px rgba(25, 41, 31, 0.04);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  position: relative;
  overflow: hidden;
}

.positioning-banner::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #2b5722, #7aa854, #dcf890);
}

.positioning-col h3 {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.positioning-col p {
  font-size: 14.5px;
  color: #586650;
  line-height: 1.7;
  margin: 0;
}

.positioning-col.contrast {
  background: #f4f8ee;
  border-radius: 12px;
  padding: 24px;
  border: 1px solid #d7e4cc;
}

.positioning-col.contrast h3 {
  color: #2b5420;
}

/* Product Pillars Grid */
.pillars-section {
  padding: 70px 0;
}

.section-head {
  max-width: 760px;
  margin-bottom: 48px;
}

.section-head .eyebrow-text {
  font: 600 11px var(--font-mono, monospace);
  letter-spacing: 1.5px;
  color: #63773b;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.section-head h2 {
  font-size: clamp(32px, 3.5vw, 46px);
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin: 0 0 16px;
  font-weight: 600;
}

.section-head p {
  font-size: 16px;
  color: #5a6853;
  line-height: 1.6;
  margin: 0;
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(360px, 100%), 1fr));
  gap: 28px;
}

.pillar-card {
  background: #ffffff;
  border: 1px solid #dce4d3;
  border-radius: 16px;
  padding: 32px;
  box-shadow: 0 4px 16px rgba(25, 41, 31, 0.03);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.pillar-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(25, 41, 31, 0.06);
}

.pillar-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
}

.pillar-num {
  font: 700 12px var(--font-mono, monospace);
  color: #68804e;
  background: #f0f5e8;
  padding: 4px 8px;
  border-radius: 6px;
  border: 1px solid #dce9d2;
}

.pillar-icon {
  font-size: 26px;
}

.pillar-card h3 {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 10px;
  color: #172619;
}

.pillar-desc {
  font-size: 14px;
  color: #5d6d56;
  line-height: 1.65;
  margin: 0 0 20px;
}

.feature-checklist {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
}

.feature-checklist li {
  font-size: 13.5px;
  color: #314232;
  margin-bottom: 10px;
  display: flex;
  align-items: baseline;
  gap: 10px;
  line-height: 1.5;
}

.feature-checklist li span.check {
  color: #2b5e20;
  font-weight: bold;
}

.pillar-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: auto;
  padding-top: 18px;
  border-top: 1px solid #edf2e7;
}

.pillar-tags span {
  font: 500 10.5px var(--font-mono, monospace);
  padding: 4px 8px;
  background: #f4f7ee;
  border: 1px solid #dce6d2;
  border-radius: 5px;
  color: #4a5c3e;
}

/* Architecture Stack Flow Diagram */
.stack-section {
  background: #1b2e21;
  color: #f3f7ee;
  border-radius: 20px;
  padding: 56px 48px;
  margin: 60px 0;
}

.stack-section .eyebrow-text {
  color: #bfe08e;
}

.stack-section h2 {
  color: #ffffff;
  margin-bottom: 16px;
}

.stack-section p.lead-stack {
  color: #bdceb5;
  font-size: 16px;
  max-width: 720px;
  margin: 0 0 40px;
}

.stack-layers {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.stack-layer {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(220, 248, 144, 0.2);
  border-radius: 12px;
  padding: 24px 30px;
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 24px;
  align-items: center;
}

.stack-layer.highlight {
  background: rgba(186, 230, 114, 0.1);
  border-color: #a4ce68;
}

.layer-meta span.layer-num {
  font: 700 11px var(--font-mono, monospace);
  color: #dcf890;
  letter-spacing: 1px;
}

.layer-meta h4 {
  font-size: 18px;
  margin: 4px 0 0;
  color: #ffffff;
}

.layer-content p {
  margin: 0 0 10px;
  font-size: 14px;
  color: #ccd7c4;
}

.layer-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.layer-badges span {
  font: 500 11px var(--font-mono, monospace);
  background: rgba(0, 0, 0, 0.25);
  padding: 3px 8px;
  border-radius: 4px;
  color: #e5f2cf;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Drop-in SDK Code Section */
.code-section {
  padding: 50px 0 70px;
}

.code-layout {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 48px;
  align-items: center;
}

.code-box {
  background: #111a14;
  border: 1px solid #2d4233;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.2);
}

.code-header {
  background: #1a271e;
  padding: 12px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid #2d4233;
  font: 500 12px var(--font-mono, monospace);
  color: #a6c09b;
}

.code-dots {
  display: flex;
  gap: 6px;
}

.code-dots span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #39523f;
}

.code-box pre {
  margin: 0;
  padding: 24px;
  font: 13.5px/1.65 var(--font-mono, monospace);
  color: #e6f2dc;
  overflow-x: auto;
}

.code-box pre code .kw { color: #dcf890; font-weight: 600; }
.code-box pre code .str { color: #a5d6a7; }
.code-box pre code .fn { color: #80cbc4; }
.code-box pre code .comment { color: #62826a; font-style: italic; }

/* Closing CTA */
.product-cta {
  background: #def29e;
  border: 1px solid #cee588;
  border-radius: 16px;
  padding: 48px 56px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
  margin-bottom: 60px;
}

.product-cta h2 {
  font-size: clamp(28px, 3.2vw, 42px);
  margin: 0 0 10px;
  letter-spacing: -0.03em;
  color: #162615;
}

.product-cta p {
  font-size: 15px;
  color: #485c3b;
  margin: 0;
}

/* Responsive */
@media (max-width: 1024px) {
  .product-page .site-width {
    width: calc(100% - 48px);
  }
  .product-hero {
    grid-template-columns: 1fr;
    gap: 36px;
    padding: 50px 0 40px;
  }
  .positioning-banner {
    grid-template-columns: 1fr;
    padding: 28px;
    gap: 24px;
  }
  .stack-section {
    padding: 36px 28px;
  }
  .stack-layer {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .code-layout {
    grid-template-columns: 1fr;
  }
  .product-cta {
    flex-direction: column;
    align-items: flex-start;
    padding: 36px 28px;
  }
}