:root {
  --spp-ink: #eaf2ff;
  --spp-muted: #a9b9d2;
  --spp-blue: #2d6bff;
  --spp-navy: #06101f;
  --spp-panel: #0a1729;
  --spp-border: rgba(151, 187, 255, 0.2);
  --spp-light: #f4f7fc;
  --spp-light-ink: #172338;
  --spp-light-muted: #5e6e85;
  --radius: 20px;
  --font: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--spp-light); color: var(--spp-light-ink); font-family: var(--font); line-height: 1.6; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 3px solid var(--spp-blue); outline-offset: 4px; }
.container { width: min(1120px, calc(100% - 2.5rem)); margin: 0 auto; }
.spp-header { position: absolute; inset: 0 0 auto; z-index: 2; padding-top: 1.2rem; color: var(--spp-ink); }
.back-link { font-size: 0.9rem; color: var(--spp-muted); }
.back-link:hover { color: #fff; }
.spp-hero { overflow: hidden; padding: clamp(6.5rem, 10vw, 9rem) 0 clamp(4.5rem, 8vw, 7rem); color: var(--spp-ink); background: radial-gradient(circle at 73% 30%, rgba(45, 107, 255, 0.22), transparent 32%), linear-gradient(145deg, #030914 0%, #08172b 55%, #030812 100%); }
.hero-grid, .split-grid, .athlete-grid, .leadership-inner { display: grid; gap: clamp(2rem, 5vw, 5rem); align-items: center; }
.eyebrow { margin: 0 0 0.65rem; color: var(--spp-blue); font-size: 0.74rem; font-weight: 750; letter-spacing: 0.14em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.14; letter-spacing: -0.025em; }
h1 { max-width: 650px; margin-bottom: 0.8rem; font-size: clamp(2.6rem, 5vw, 4.5rem); }
h2 { margin-bottom: 1rem; font-size: clamp(2rem, 3.5vw, 3rem); }
h3 { margin-bottom: 0.3rem; font-size: 1.08rem; }
.hero-statement { max-width: 580px; margin-bottom: 1rem; color: #cddcff; font-size: clamp(1.15rem, 2vw, 1.45rem); line-height: 1.4; }
.hero-lead { max-width: 590px; color: var(--spp-muted); }
.role-line { display: grid; gap: 0.25rem; margin: 1.6rem 0 0; padding-left: 0.9rem; border-left: 2px solid var(--spp-blue); color: var(--spp-muted); font-size: 0.9rem; }
.role-line strong { color: #fff; }
.hero-media { overflow: hidden; border: 1px solid var(--spp-border); border-radius: var(--radius); background: #02060e; box-shadow: 0 36px 80px rgba(0, 0, 0, 0.45); }
.hero-media img { width: 100%; height: auto; object-fit: contain; }
.section { padding: clamp(3.5rem, 5.5vw, 5.25rem) 0; }
.section-dark { color: var(--spp-ink); background: radial-gradient(circle at 15% 15%, rgba(45, 107, 255, 0.16), transparent 28%), var(--spp-navy); }
.section-soft { background: linear-gradient(135deg, #eaf0f8, #f8faff); }
.thesis-section { text-align: center; background: #fff; }
.thesis-inner { max-width: 820px; }
.thesis-inner .eyebrow { margin-inline: auto; }
.thesis-inner h2 { margin-inline: auto; max-width: 780px; }
.thesis-inner p:last-child { max-width: 690px; margin: 0 auto; color: var(--spp-light-muted); }
.section-copy p:not(.eyebrow) { color: var(--spp-light-muted); }
.section-dark .section-copy p:not(.eyebrow), .section-dark .surface-list p { color: var(--spp-muted); }
.surface-list { display: grid; gap: 1rem; margin-top: 1.6rem; }
.surface-list > div { padding: 1rem 1.1rem; border-left: 2px solid var(--spp-blue); background: rgba(255, 255, 255, 0.035); }
.surface-list p { margin-bottom: 0; font-size: 0.94rem; }
.product-frame { overflow: hidden; margin: 0; border: 1px solid rgba(22, 48, 88, 0.22); border-radius: var(--radius); background: #07111f; box-shadow: 0 26px 60px rgba(9, 26, 54, 0.16); }
.product-frame img { width: 100%; height: auto; object-fit: contain; }
.intelligence-layout { display: grid; gap: 2rem; }
.reports-frame { max-width: 960px; }
.athlete-section { overflow: hidden; background: #fff; }
.mobile-screens { display: flex; justify-content: center; align-items: flex-end; gap: clamp(1rem, 3vw, 2.2rem); }
.mobile-frame { width: min(42%, 260px); margin: 0; overflow: hidden; border: 1px solid rgba(20, 48, 93, 0.22); border-radius: 26px; background: #07111f; box-shadow: 0 22px 48px rgba(15, 40, 78, 0.18); }
.mobile-frame:last-child { margin-bottom: 1rem; }
.mobile-frame img { width: 100%; height: auto; }
.section-intro { max-width: 720px; margin-bottom: 2rem; }
.section-intro p:last-child { color: var(--spp-light-muted); }
.architecture-grid { display: grid; gap: 1rem; }
.architecture-grid article { padding: 1.25rem; border: 1px solid #d8e1ef; border-radius: 14px; background: rgba(255, 255, 255, 0.72); }
.architecture-grid p { margin: 0; color: var(--spp-light-muted); font-size: 0.94rem; }
.leadership-section { background: #fff; }
.leadership-inner > div:last-child { max-width: 560px; color: var(--spp-light-muted); }
.role-title { margin-bottom: 0.55rem; color: var(--spp-light-ink); font-weight: 720; }
.leadership-capabilities { display: grid; gap: 0.75rem; margin-top: 1.4rem; padding-top: 1.1rem; border-top: 1px solid #dce5f0; }
.leadership-capabilities span { display: grid; gap: 0.1rem; font-size: 0.86rem; line-height: 1.4; }
.leadership-capabilities strong { color: var(--spp-light-ink); font-size: 0.76rem; letter-spacing: 0.08em; text-transform: uppercase; }
.closing-section { padding: clamp(3.5rem, 7vw, 5.5rem) 0; color: var(--spp-ink); text-align: center; background: #06101f; }
.closing-section p { max-width: 780px; margin: 0 auto 1.5rem; font-size: clamp(1.25rem, 2.5vw, 1.7rem); line-height: 1.4; }
.closing-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.75rem; }
.closing-link { display: inline-flex; padding: 0.7rem 1.05rem; border: 1px solid var(--spp-border); border-radius: 999px; color: #d9e7ff; font-size: 0.92rem; }
.closing-link:hover { border-color: var(--spp-blue); background: rgba(45, 107, 255, 0.12); }

@media (min-width: 760px) {
  .hero-grid { grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); }
  .split-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .coach-evidence .split-grid { grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr); }
  .split-grid-reverse > :first-child { order: 2; }
  .split-grid-reverse > :last-child { order: 1; }
  .athlete-grid { grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr); }
  .leadership-inner { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .architecture-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .leadership-capabilities { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .intelligence-layout { grid-template-columns: minmax(260px, 0.55fr) minmax(0, 1.45fr); align-items: center; }
}

@media (max-width: 759px) {
  .container { width: min(100% - 2rem, 1120px); }
  .spp-hero { padding-top: 6rem; }
  .hero-media { margin-top: 0.5rem; }
  .split-grid-reverse > :first-child { order: 2; }
  .split-grid-reverse > :last-child { order: 1; }
  .section { padding: 3.75rem 0; }
}