:root {
  --sgai-navy: #061936;
  --sgai-navy-2: #071f46;
  --sgai-blue: #0079ff;
  --sgai-blue-2: #3B4FEA;
  --sgai-electric: #18b8ff;
  --sgai-slate: #334155;
  --sgai-muted: #64748b;
  --sgai-line: #dbe3ef;
  --sgai-bg: #f6f8fc;
  --sgai-white: #ffffff;
  --sgai-shadow: 0 24px 60px rgba(15, 23, 42, 0.16);
  --sgai-radius: 18px;
  --sgai-max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: #102033;
  background: var(--sgai-bg);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a { color: var(--sgai-blue-2); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; display: block; }

.sgai-container {
  width: min(var(--sgai-max), calc(100% - 40px));
  margin: 0 auto;
}

.sgai-skip-link {
  position: absolute;
  left: -999px;
  top: 10px;
  z-index: 9999;
  background: var(--sgai-white);
  padding: 10px 14px;
  border: 2px solid var(--sgai-blue);
}
.sgai-skip-link:focus { left: 10px; }

.sgai-topbar {
  background: #17202b;
  color: #d7e4ff;
  font-size: 0.9rem;
}
.sgai-topbar-inner {
  min-height: 38px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
}
.sgai-topbar strong { color: #fff; }

.sgai-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: linear-gradient(135deg, #061936, #06265b);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 10px 30px rgba(6,25,54,0.16);
}
.sgai-header-inner {
  min-height: 86px;
  display: flex;
  justify-content: space-between;
  gap: 22px;
  align-items: center;
}
.sgai-brand {
  display: flex;
  align-items: center;
  color: white;
}
.sgai-brand:hover { text-decoration: none; }
.sgai-brand-logo {
  width: auto;
  height: 64px;
  max-width: min(100%, 520px);
}

.sgai-menu {
  display: flex;
  gap: 22px;
  align-items: center;
  margin: 0;
  padding: 0;
  list-style: none;
}
.sgai-menu a {
  color: #e6edff;
  font-weight: 650;
  font-size: 0.95rem;
}
.sgai-menu a:hover { color: white; text-decoration: none; }
.sgai-menu-toggle {
  display: none;
  border: 1px solid rgba(255,255,255,0.22);
  border-radius: 12px;
  background: rgba(255,255,255,0.08);
  color: white;
  padding: 10px 12px;
  font-weight: 700;
}

.sgai-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 18px;
  border-radius: 14px;
  border: 1px solid transparent;
  font-weight: 800;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}
.sgai-button:hover { text-decoration: none; transform: translateY(-1px); }
.sgai-button-primary {
  background: linear-gradient(135deg, var(--sgai-blue), var(--sgai-blue-2));
  color: white;
  box-shadow: 0 14px 30px rgba(0, 121, 255, 0.24);
}
.sgai-button-secondary {
  background: white;
  color: var(--sgai-navy);
  border-color: var(--sgai-line);
}
.sgai-button-secondary:hover { box-shadow: 0 12px 24px rgba(15, 23, 42, 0.08); }

.sgai-hero {
  overflow: hidden;
  background:
    radial-gradient(circle at 80% 10%, rgba(24, 184, 255, 0.22), transparent 34%),
    linear-gradient(180deg, #ffffff 0%, #f3f6fd 100%);
  border-bottom: 1px solid var(--sgai-line);
}
.sgai-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(420px, 1.05fr);
  gap: 48px;
  align-items: center;
  padding: 76px 0 64px;
}
.sgai-eyebrow {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(0, 121, 255, 0.08);
  color: var(--sgai-blue-2);
  font-weight: 800;
  font-size: 0.88rem;
  margin-bottom: 20px;
}
.sgai-hero h1 {
  margin: 0 0 18px;
  color: var(--sgai-navy);
  font-size: clamp(2.35rem, 5vw, 4.35rem);
  line-height: 0.98;
  letter-spacing: -0.06em;
}
.sgai-hero-lede {
  font-size: 1.17rem;
  color: var(--sgai-slate);
  max-width: 650px;
  margin: 0 0 28px;
}
.sgai-hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 26px; }
.sgai-proof-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.sgai-proof-row li {
  border: 1px solid var(--sgai-line);
  background: rgba(255,255,255,0.72);
  border-radius: 999px;
  padding: 8px 12px;
  color: var(--sgai-slate);
  font-weight: 700;
  font-size: 0.88rem;
}
.sgai-hero-card {
  border: 1px solid rgba(148, 163, 184, 0.42);
  border-radius: 24px;
  padding: 12px;
  background: rgba(255,255,255,0.82);
  box-shadow: var(--sgai-shadow);
}
.sgai-hero-card img {
  border-radius: 18px;
  border: 1px solid rgba(219, 227, 239, 0.9);
}
.sgai-hero-caption {
  margin: 12px 6px 2px;
  color: var(--sgai-muted);
  font-size: 0.92rem;
}

.sgai-section { padding: 78px 0; }
.sgai-section-tight { padding: 54px 0; }
.sgai-section-white { background: #fff; }
.sgai-section-navy {
  background: linear-gradient(140deg, #061936, #072f70 62%, #0d2557);
  color: white;
}
.sgai-section-header {
  max-width: 780px;
  margin-bottom: 34px;
}
.sgai-section-header.center { margin-left: auto; margin-right: auto; text-align: center; }
.sgai-section-kicker {
  color: var(--sgai-blue-2);
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.78rem;
  margin: 0 0 9px;
}
.sgai-section-navy .sgai-section-kicker { color: #b7dfff; }
.sgai-section h2 {
  color: var(--sgai-navy);
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  line-height: 1.08;
  letter-spacing: -0.045em;
  margin: 0 0 14px;
}
.sgai-section-navy h2 { color: white; }
.sgai-section-header p {
  margin: 0;
  color: var(--sgai-muted);
  font-size: 1.05rem;
}
.sgai-section-navy .sgai-section-header p { color: #d9e5ff; }

.sgai-card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.sgai-card {
  background: white;
  border: 1px solid var(--sgai-line);
  border-radius: var(--sgai-radius);
  padding: 24px;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.05);
}
.sgai-card-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: rgba(0, 121, 255, 0.09);
  color: var(--sgai-blue);
  font-weight: 900;
  margin-bottom: 16px;
}
.sgai-card h3 {
  margin: 0 0 8px;
  color: var(--sgai-navy);
  letter-spacing: -0.02em;
  font-size: 1.12rem;
}
.sgai-card p { margin: 0; color: var(--sgai-muted); }

.sgai-lifecycle {
  background: white;
  border: 1px solid var(--sgai-line);
  border-radius: 24px;
  padding: 28px;
  box-shadow: 0 16px 36px rgba(15, 23, 42, 0.06);
}
.sgai-lifecycle-steps {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.sgai-lifecycle-steps li {
  position: relative;
  border: 1px solid var(--sgai-line);
  border-radius: 16px;
  padding: 18px 12px;
  min-height: 170px;
  background: #fbfdff;
}
.sgai-step-number {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  background: var(--sgai-blue);
  color: white;
  font-weight: 900;
  margin-bottom: 12px;
}
.sgai-lifecycle-steps h3 {
  font-size: 0.95rem;
  margin: 0 0 6px;
  color: var(--sgai-navy);
}
.sgai-lifecycle-steps p { margin: 0; color: var(--sgai-muted); font-size: 0.88rem; }

.sgai-two-col {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 38px;
  align-items: center;
}
.sgai-check-list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}
.sgai-check-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  color: var(--sgai-slate);
}
.sgai-check-list li::before {
  content: "✓";
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  margin-top: 1px;
  border-radius: 999px;
  background: rgba(24, 184, 255, 0.14);
  color: var(--sgai-electric);
  font-weight: 900;
}
.sgai-panel {
  border-radius: 24px;
  border: 1px solid rgba(255,255,255,0.18);
  background: rgba(255,255,255,0.08);
  padding: 28px;
}
.sgai-panel h3 { margin-top: 0; font-size: 1.35rem; }
.sgai-section-navy .sgai-check-list li { color: #dce7ff; }

.sgai-fit-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.sgai-fit-card {
  display: flex;
  gap: 14px;
  padding: 20px;
  background: white;
  border: 1px solid var(--sgai-line);
  border-radius: var(--sgai-radius);
}
.sgai-fit-card strong { color: var(--sgai-navy); display: block; margin-bottom: 4px; }
.sgai-fit-card span { color: var(--sgai-muted); }
.sgai-fit-dot {
  width: 14px;
  height: 14px;
  border-radius: 999px;
  background: var(--sgai-blue);
  flex: 0 0 auto;
  margin-top: 6px;
}

.sgai-cta {
  border-radius: 28px;
  padding: 38px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
  background: linear-gradient(135deg, #061936, #0079ff);
  color: white;
  box-shadow: var(--sgai-shadow);
}
.sgai-cta h2 { color: white; margin: 0 0 8px; }
.sgai-cta p { color: #e6edff; margin: 0; max-width: 760px; }
.sgai-cta .sgai-button { background: white; color: var(--sgai-navy); }

.sgai-footer {
  background: #061936;
  color: #cbd8f0;
  padding: 42px 0;
}
.sgai-footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr;
  gap: 30px;
}
.sgai-footer h2, .sgai-footer h3 { color: white; margin-top: 0; }
.sgai-footer-logo {
  width: auto;
  height: 70px;
  max-width: min(100%, 460px);
  margin-bottom: 12px;
}
.sgai-footer a { color: #dbe7ff; }
.sgai-small { font-size: 0.88rem; color: #a9b7cf; }

.sgai-page-main {
  background: white;
  padding: 70px 0;
}
.sgai-content {
  max-width: 850px;
  margin: 0 auto;
  background: white;
}
.sgai-content h1, .sgai-content h2, .sgai-content h3 { color: var(--sgai-navy); letter-spacing: -0.02em; }
.sgai-content h1 { font-size: clamp(2rem, 4vw, 3.2rem); line-height: 1.05; }
.sgai-content p, .sgai-content li { color: var(--sgai-slate); }

@media (max-width: 980px) {
  .sgai-hero-grid, .sgai-two-col, .sgai-cta { grid-template-columns: 1fr; }
  .sgai-card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sgai-lifecycle-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sgai-header-inner { min-height: 76px; }
  .sgai-brand-logo { height: 54px; max-width: 360px; }
  .sgai-menu-toggle { display: inline-flex; }
  .sgai-nav { position: relative; }
  .sgai-menu {
    display: none;
    position: absolute;
    right: 0;
    top: 52px;
    width: min(320px, calc(100vw - 40px));
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 10px;
    background: white;
    border: 1px solid var(--sgai-line);
    border-radius: 16px;
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.12);
  }
  .sgai-menu.is-open { display: flex; }
  .sgai-menu li { width: 100%; }
  .sgai-menu a { display: block; padding: 12px; color: var(--sgai-slate); }
}

@media (max-width: 720px) {
  .sgai-container { width: min(100% - 28px, var(--sgai-max)); }
  .sgai-topbar-inner { flex-direction: column; align-items: flex-start; padding: 8px 0; gap: 4px; }
  .sgai-brand-logo { height: 44px; max-width: 260px; }
  .sgai-footer-logo { height: 50px; max-width: 280px; }
  .sgai-hero-grid { padding: 52px 0 46px; }
  .sgai-card-grid, .sgai-fit-grid, .sgai-footer-grid { grid-template-columns: 1fr; }
  .sgai-lifecycle-steps { grid-template-columns: 1fr; }
  .sgai-cta { padding: 28px; }
  .sgai-section { padding: 58px 0; }
}