:root {
  --navy: #10182B;
  --blue: #2D5BD1;
  --cyan: #0B9BD7;
  --pale-blue: #EEF6FC;
  --pale-cyan: #E7F7FC;
  --slate: #4F5E75;
  --mid: #728097;
  --border: #D9E3EE;
  --paper: #F5F8FB;
  --white: #FFFFFF;
  --shadow: 0 18px 50px rgba(16, 24, 43, 0.08);
  --radius: 24px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--navy);
  background: var(--white);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
.container { width: min(1180px, calc(100% - 48px)); margin: 0 auto; }
.section { padding: 92px 0; }
.compact-section { padding-top: 10px; }
.eyebrow {
  margin: 0 0 14px;
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
h1, h2, h3 { margin-top: 0; line-height: 1.08; letter-spacing: -0.035em; }
h1 { margin-bottom: 24px; font-size: clamp(3rem, 7vw, 5.9rem); max-width: 880px; }
h2 { margin-bottom: 18px; font-size: clamp(2rem, 4vw, 3.4rem); }
h3 { margin-bottom: 16px; font-size: 1.6rem; }
p { color: var(--slate); font-size: 1.04rem; }
.lead { max-width: 780px; font-size: clamp(1.15rem, 1.7vw, 1.42rem); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255,255,255,0.92);
  border-bottom: 1px solid rgba(217,227,238,0.8);
  backdrop-filter: blur(14px);
}
.header-inner { min-height: 80px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand img { width: 245px; height: auto; }
.header-kicker { color: var(--blue); font-size: 0.72rem; font-weight: 800; letter-spacing: 0.15em; text-align: right; }

.hero {
  overflow: hidden;
  padding-top: 108px;
  background:
    radial-gradient(circle at 83% 45%, rgba(11,155,215,0.11), transparent 29%),
    linear-gradient(180deg, #fff 0%, #fbfdff 100%);
}
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(280px, .65fr); align-items: center; gap: 56px; }
.hero-copy { position: relative; z-index: 2; }
.hero-mark { position: relative; min-height: 470px; display: grid; place-items: center; }
.hero-mark img { width: min(420px, 84%); position: relative; z-index: 2; }
.helix-orbit { position: absolute; border-radius: 50%; border: 1px solid rgba(45,91,209,0.14); }
.helix-orbit-outer { width: 470px; aspect-ratio: 1; background: radial-gradient(circle, rgba(11,155,215,0.1), transparent 60%); }
.helix-orbit-inner { width: 330px; aspect-ratio: 1; border-color: rgba(11,155,215,0.18); }

.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.pillar { position: relative; min-height: 220px; padding: 48px 28px 30px; text-align: center; background: linear-gradient(180deg, var(--pale-blue), #f8fcff); border: 1px solid #e4edf6; border-radius: var(--radius); }
.pillar h2 { font-size: 1.35rem; margin-bottom: 10px; }
.pillar p { margin: 0 auto; max-width: 250px; }
.step { position: absolute; left: 50%; top: -28px; transform: translateX(-50%); width: 58px; aspect-ratio: 1; display: grid; place-items: center; border-radius: 50%; color: white; font-size: 1.45rem; font-weight: 800; background: linear-gradient(135deg, var(--blue), var(--cyan)); box-shadow: 0 9px 26px rgba(45,91,209,.2); }

.problem-section { padding-top: 84px; }
.problem-grid { display: grid; grid-template-columns: 1fr 1px 1fr; gap: 32px; align-items: stretch; padding: 32px; border: 1px solid #dceaf4; border-radius: var(--radius); background: linear-gradient(90deg, var(--pale-blue), var(--pale-cyan)); }
.problem-card { display: grid; grid-template-columns: 72px 1fr; align-items: center; gap: 20px; }
.problem-card p { margin: 0; color: var(--navy); }
.problem-divider { background: #b9dcf1; }
.simple-icon, .promise-icon { width: 62px; aspect-ratio: 1; display: grid; place-items: center; border-radius: 50%; background: rgba(255,255,255,.85); color: var(--blue); font-size: 1.8rem; font-weight: 700; box-shadow: 0 10px 28px rgba(16,24,43,.08); }
.simple-icon.check { color: var(--navy); border: 2px solid var(--navy); }

.ecosystem-section { background: var(--paper); }
.section-heading { max-width: 800px; margin-bottom: 42px; }
.section-heading.centered { text-align: center; margin-left: auto; margin-right: auto; }
.section-heading p:last-child { margin-bottom: 0; }
.ecosystem-frame, .lifecycle-frame { width: 100%; margin: 0 auto; padding: 0; background: transparent; border: 0; border-radius: 0; box-shadow: none; overflow: visible; }
.ecosystem-frame img, .lifecycle-frame img { display: block; width: 100%; max-width: 100%; height: auto; margin: 0 auto; border-radius: 0; object-fit: contain; }

.audience-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.audience-card { padding: 32px; border: 1px solid #e0e9f3; border-radius: var(--radius); background: linear-gradient(180deg, #f6fbff, var(--pale-blue)); }
.card-number { display: inline-block; margin-bottom: 22px; font-size: 1.15rem; font-weight: 800; color: var(--navy); }
.card-label { margin: 0 0 10px; color: var(--blue); font-size: .82rem; font-weight: 800; letter-spacing: .12em; }
.audience-card p:last-child { margin-bottom: 0; }

.lifecycle-section { background: linear-gradient(180deg, #fbfdff, #f3f9fd); }


.promise-section { padding-top: 72px; }
.promise-card { display: grid; grid-template-columns: 100px 1fr; gap: 28px; align-items: center; padding: 44px; border: 1px solid #dceaf4; border-radius: 28px; background: linear-gradient(110deg, var(--pale-cyan), var(--pale-blue)); }
.promise-card h2 { max-width: 900px; margin-bottom: 22px; font-size: clamp(1.8rem, 3vw, 2.8rem); }
.promise-icon { width: 82px; color: var(--cyan); font-size: 2.2rem; }
.promise-steps { margin: 0; color: var(--navy); font-size: .74rem; font-weight: 800; letter-spacing: .22em; }

.site-footer { padding: 34px 0 44px; }
.footer-inner { display: flex; align-items: center; gap: 28px; padding-top: 28px; border-top: 1px solid var(--border); }
.footer-inner img { width: 190px; }
.footer-inner p { margin: 0; font-size: .9rem; }
.footer-inner p:last-child { margin-left: auto; color: var(--blue); font-weight: 700; }

@media (max-width: 900px) {
  .container { width: min(100% - 32px, 760px); }
  .section { padding: 72px 0; }
  .header-inner { min-height: 70px; }
  .brand img { width: 205px; }
  .header-kicker { display: none; }
  .hero { padding-top: 72px; }
  .hero-grid { grid-template-columns: 1fr; gap: 18px; }
  .hero-mark { min-height: 260px; order: -1; }
  .hero-mark img { width: min(330px, 82%); }
  .helix-orbit-outer { width: 290px; }
  .helix-orbit-inner { width: 205px; }
  h1 { font-size: clamp(2.7rem, 12vw, 4.5rem); }
  .pillars, .audience-grid { grid-template-columns: 1fr; }
  .pillars { gap: 52px; }
  .pillar { min-height: 0; }
  .problem-grid { grid-template-columns: 1fr; }
  .problem-divider { width: 100%; height: 1px; }
  .problem-card { grid-template-columns: 58px 1fr; }
  .simple-icon { width: 52px; }
  .promise-card { grid-template-columns: 1fr; padding: 30px; }
  .footer-inner { flex-wrap: wrap; }
  .footer-inner p:last-child { margin-left: 0; width: 100%; }
}

@media (max-width: 520px) {
  .container { width: min(100% - 24px, 480px); }
  .section { padding: 58px 0; }
  .hero { padding-top: 54px; }
  .hero-mark { min-height: 220px; }
  .hero-mark img { width: 270px; }
  .helix-orbit-outer { width: 245px; }
  .helix-orbit-inner { width: 175px; }
  h1 { font-size: clamp(2.35rem, 13vw, 3.5rem); }
  .lead { font-size: 1.08rem; }
  .problem-grid { padding: 24px 20px; }
  .problem-card { grid-template-columns: 1fr; }
  .audience-card { padding: 26px; }
  .promise-card { padding: 26px 22px; }
  .promise-steps { letter-spacing: .12em; line-height: 1.8; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

@media (max-width: 900px) {
  .ecosystem-section .container, .lifecycle-section .container { width: min(100% - 16px, 760px); }
  .ecosystem-section .section-heading, .lifecycle-section .section-heading { width: min(100% - 16px, 800px); }
}

/* Direct embedded diagrams: no card/frame treatment */
.ecosystem-frame,
.lifecycle-frame {
  width: 100%;
  margin: 0 auto;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  overflow: hidden;
}
.ecosystem-frame img,
.lifecycle-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  margin: 0;
  border: 0;
  border-radius: 0;
  object-fit: contain;
}


/* Hero brand lockup: keep logo and both orbit circles on one shared center */
.hero-mark {
  --hero-orbit-size: 470px;
  --hero-inner-size: 330px;
  --hero-logo-size: 420px;
  position: relative;
  min-height: var(--hero-orbit-size);
}

.hero-mark .helix-orbit,
.hero-mark > img {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

.hero-mark .helix-orbit-outer {
  width: var(--hero-orbit-size);
}

.hero-mark .helix-orbit-inner {
  width: var(--hero-inner-size);
}

.hero-mark > img {
  width: min(var(--hero-logo-size), 88vw);
  max-width: none;
  height: auto;
  z-index: 2;
}

@media (max-width: 900px) {
  .hero-mark {
    --hero-orbit-size: min(290px, 78vw);
    --hero-inner-size: min(205px, 55vw);
    --hero-logo-size: min(330px, 88vw);
    min-height: var(--hero-orbit-size);
  }
}

@media (max-width: 520px) {
  .hero-mark {
    --hero-orbit-size: min(245px, 72vw);
    --hero-inner-size: min(175px, 52vw);
    --hero-logo-size: min(270px, 84vw);
    min-height: var(--hero-orbit-size);
  }
}


/* v7: center the complete horizontal ProductHelix logo inside the orbit circles */
.hero-mark {
  --hero-orbit-size: 470px;
  --hero-inner-size: 330px;
  --hero-logo-width: 360px;
  position: relative;
  min-height: var(--hero-orbit-size);
}

.hero-mark .helix-orbit,
.hero-mark > img {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

.hero-mark .helix-orbit-outer {
  width: var(--hero-orbit-size);
  height: var(--hero-orbit-size);
}

.hero-mark .helix-orbit-inner {
  width: var(--hero-inner-size);
  height: var(--hero-inner-size);
}

.hero-mark > img {
  width: var(--hero-logo-width);
  max-width: 78%;
  height: auto;
  z-index: 2;
}

@media (max-width: 900px) {
  .hero-mark {
    --hero-orbit-size: min(300px, 76vw);
    --hero-inner-size: min(215px, 55vw);
    --hero-logo-width: min(255px, 66vw);
    min-height: var(--hero-orbit-size);
  }
}

@media (max-width: 520px) {
  .hero-mark {
    --hero-orbit-size: min(250px, 72vw);
    --hero-inner-size: min(180px, 52vw);
    --hero-logo-width: min(225px, 64vw);
    min-height: var(--hero-orbit-size);
  }
}