@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root {
  --color-bg: #f3f6fa;
  --color-bg-alt: #e9eff5;
  --color-bg-panel: #ffffff;
  --color-bg-panel-strong: #f7faff;
  --color-bg-accent: #10233f;
  --color-bg-accent-soft: #dbe7f6;
  --color-text: #10233f;
  --color-text-muted: #4c5f78;
  --color-text-dim: #6f8198;
  --color-primary: #0f5bd8;
  --color-primary-hover: #0c49ad;
  --color-border: #d1dceb;
  --color-border-strong: #b9c9de;
  --color-success: #0e7a58;
  --shadow-sm: 0 12px 28px rgba(16, 35, 63, 0.06);
  --shadow-md: 0 22px 54px rgba(16, 35, 63, 0.09);
  --font-sans: 'IBM Plex Sans', 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
  --max-width: 1240px;
}

*,
*::before,
*::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 18px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; overflow-x: clip; }

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background:
    radial-gradient(circle at top left, rgba(15, 91, 216, 0.08), transparent 28%),
    linear-gradient(180deg, #f8fbff 0%, #f3f6fa 36%, #edf2f8 100%);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  padding-top: 76px;
}

.tech-bg-grid, .tech-line, #bg-canvas { display: none; }
img { max-width: 100%; display: block; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-primary-hover); }

h1, h2, h3, h4 { color: var(--color-text); line-height: 1.08; }
h1 { font-size: 4rem; font-weight: 700; letter-spacing: -0.045em; }
h2 { font-size: 2.7rem; font-weight: 700; letter-spacing: -0.04em; }
h3 { font-size: 1.2rem; font-weight: 600; }
h4 { font-size: 0.96rem; font-weight: 600; }
p { color: var(--color-text-muted); }

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.73rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 18px;
}

.section-label::before { content: ""; width: 28px; height: 1px; background: currentColor; }

.container { width: min(100%, var(--max-width)); max-width: var(--max-width); margin: 0 auto; padding: 0 28px; }
section { padding: 96px 0; }
section.alt { background: rgba(255,255,255,0.42); border-top: 1px solid rgba(185,201,222,0.45); border-bottom: 1px solid rgba(185,201,222,0.45); }

.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(248,251,255,0.86); backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(185,201,222,0.6);
}

.site-header .container { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.logo { display: flex; align-items: center; gap: 10px; font-size: 1.3rem; font-weight: 700; color: var(--color-text); letter-spacing: -0.02em; }
.logo-icon { width: 28px; height: 28px; flex-shrink: 0; }
.logo span { color: var(--color-primary); }

nav { display: flex; align-items: center; gap: 30px; }
nav a { color: var(--color-text-muted); font-size: 0.9rem; font-weight: 500; }
nav a:hover, nav a.active { color: var(--color-text); }
.mobile-toggle { display: none; background: none; border: none; cursor: pointer; padding: 4px; }
.mobile-toggle svg { width: 24px; height: 24px; stroke: var(--color-text); }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 48px; padding: 12px 22px; border-radius: 999px; border: 1px solid transparent;
  font-family: var(--font-mono); font-size: 0.78rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
}

.btn-primary { background: var(--color-primary); color: #fff; box-shadow: 0 12px 28px rgba(15,91,216,0.22); }
.btn-primary:hover { background: var(--color-primary-hover); color: #fff; }
.btn-outline { background: rgba(255,255,255,0.7); border-color: var(--color-border-strong); color: var(--color-text); }
.btn-outline:hover { background: #fff; border-color: var(--color-primary); }

.hero, .page-header { padding: 84px 0 72px; }

.page-header {
  padding: 52px 0 30px;
}

.hero-grid, .page-hero-grid, .split-section, .operator-grid, .feature-row, .cta-shell {
  display: grid; grid-template-columns: minmax(0,1.2fr) minmax(320px,0.8fr); gap: 28px; align-items: stretch;
}

.page-hero-grid {
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.72fr);
  align-items: start;
}

.hero-copy, .hero-panel, .page-hero-card, .page-hero-side, .dashboard-card, .scorecard, .diagram-board, .compliance-banner, .page-panel, .callout-panel, .card, .guide-card, .faq-item, .lifecycle-step, .lane-card {
  background: rgba(255,255,255,0.9); border: 1px solid var(--color-border); box-shadow: var(--shadow-sm);
}

.hero-copy, .page-hero-card { padding: 44px; border-radius: 28px; box-shadow: var(--shadow-md); }
.hero-panel, .page-hero-side, .scorecard, .diagram-board, .compliance-banner, .page-panel, .callout-panel { padding: 26px; border-radius: 24px; }

.page-hero-card,
.page-hero-side {
  padding: 30px;
}

.page-hero-card {
  background: transparent;
  border: 0;
  box-shadow: none;
  border-radius: 0;
  padding: 12px 0;
}

.hero-primary .hero-copy-full {
  min-height: calc(100vh - 168px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: 100%;
  padding: 24px 0;
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.trust-strip, .hero-meta, .trust-grid, .grid-2, .grid-3, .grid-4, .guide-grid, .dashboard-stack, .lifecycle, .architecture-lanes { display: grid; gap: 16px; }
.trust-strip { grid-template-columns: repeat(2,1fr); margin-bottom: 28px; }

.trust-chip, .metric-tile, .flow-step { padding: 16px; border-radius: 16px; background: var(--color-bg-panel-strong); border: 1px solid var(--color-border); }

.trust-chip strong, .panel-kicker, .dashboard-title, .diagram-title, .scorecard-title, .cta-meta .label, .lane-label span {
  display: block; font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase;
}

.trust-chip strong { color: var(--color-text); margin-bottom: 5px; }
.trust-chip span { color: var(--color-text-muted); font-size: 0.82rem; }
.hero h1, .page-header h1 { margin-bottom: 20px; }
.hero-lead, .page-header p, .section-header p { font-size: 1.08rem; }
.page-header h1,
.page-hero-card h1 {
  font-size: 2.5rem;
  letter-spacing: -0.035em;
  max-width: 18ch;
}

.page-header p,
.page-hero-card p {
  max-width: 40rem;
}
.cta-row { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 20px; }
.cta-note, .cta-note-light { font-size: 0.84rem; color: var(--color-text-dim); margin-top: 18px; }

.hero-points {
  list-style: none;
  display: grid;
  gap: 12px;
  margin-top: 28px;
  max-width: 760px;
}

.hero-points li {
  position: relative;
  padding-left: 20px;
  color: var(--color-text);
  font-size: 0.98rem;
  font-weight: 500;
}

.hero-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
}

.hero-meta { grid-template-columns: repeat(3,1fr); margin-top: 28px; }
.metric-tile .metric-value, .trust-stat .value, .cta-meta .value { display: block; font-size: 1.5rem; font-weight: 700; letter-spacing: -0.04em; color: var(--color-text); }
.metric-tile .metric-label, .trust-stat p { display: block; color: var(--color-text-muted); font-size: 0.84rem; }

.panel-header, .dashboard-card-header, .scorecard-row { display: flex; justify-content: space-between; gap: 14px; align-items: baseline; }

.status-pill {
  display: inline-flex; align-items: center; gap: 8px; padding: 8px 12px; border-radius: 999px;
  background: #eef7f3; color: var(--color-success); font-size: 0.74rem; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase;
}

.status-pill::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: currentColor; }
.dashboard-card { padding: 18px; border-radius: 18px; }
.dashboard-card p, .card p, .diagram-node p, .lane-card p, .flow-step p { font-size: 0.9rem; }

.dashboard-bar { height: 10px; border-radius: 999px; background: #e8eef6; overflow: hidden; margin: 12px 0 10px; }
.dashboard-bar span { display: block; height: 100%; background: linear-gradient(90deg, #0f5bd8 0%, #4f8ef3 100%); }
.dashboard-inline { display: flex; justify-content: space-between; gap: 12px; color: var(--color-text-dim); font-size: 0.77rem; font-family: var(--font-mono); }

.section-header { margin-bottom: 48px; }
.grid-2 { grid-template-columns: repeat(2,1fr); }
.grid-3 { grid-template-columns: repeat(3,1fr); }
.grid-4 { grid-template-columns: repeat(4,1fr); }

.feature-grid-compact {
  align-content: start;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.summary-card {
  padding: 22px;
  border-radius: 22px;
  background: rgba(255,255,255,0.92);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.summary-card .summary-kicker {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.summary-card h3 {
  margin-bottom: 10px;
  font-size: 1.05rem;
}

.summary-card p {
  font-size: 0.9rem;
}

.page-section-intro {
  margin-bottom: 34px;
  max-width: 52rem;
}

.page-section-intro h2 {
  margin-bottom: 12px;
}

.info-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.stack-24 > * + * {
  margin-top: 24px;
}

.card { padding: 24px; border-radius: 24px; }
.card h3, .dashboard-card strong, .diagram-node strong, .flow-step strong { display: block; margin-bottom: 10px; }
.card-icon, .card-number { display: inline-flex; align-items: center; justify-content: center; margin-bottom: 18px; }
.card-icon { width: 46px; height: 46px; border-radius: 14px; background: var(--color-bg-accent-soft); color: var(--color-primary); }
.card-icon svg { width: 22px; height: 22px; }
.card-number { width: 40px; height: 40px; border-radius: 50%; background: var(--color-bg-accent); color: #fff; font-weight: 700; }

.trust-grid { grid-template-columns: repeat(4,1fr); }
.trust-stat { padding: 22px; border-radius: 22px; background: linear-gradient(180deg, #10233f 0%, #163152 100%); color: #fff; box-shadow: var(--shadow-md); }
.trust-stat .label { display: block; font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.09em; text-transform: uppercase; color: rgba(255,255,255,0.9); margin-bottom: 10px; }
.trust-stat .value { color: #ffffff; }
.trust-stat p { color: rgba(255,255,255,0.9); }

.architecture-grid { display: grid; grid-template-columns: minmax(0,1fr) 56px minmax(0,1fr) 56px minmax(0,1fr); gap: 12px; align-items: center; width: 100%; }
.diagram-node { min-height: 150px; min-width: 0; padding: 18px; border-radius: 20px; border: 1px solid var(--color-border); background: linear-gradient(180deg, #fff 0%, #f7faff 100%); overflow-wrap: anywhere; }
.diagram-node ul, .content-block ul, .compliance-banner ul, .lane-card ul, .page-panel ul { list-style: none; margin-top: 14px; }
.diagram-node li, .content-block li, .compliance-banner li, .lane-card li, .page-panel li { position: relative; padding-left: 18px; color: var(--color-text-muted); margin-bottom: 8px; font-size: 0.9rem; }
.diagram-node li::before, .content-block li::before, .compliance-banner li::before, .lane-card li::before, .page-panel li::before { content: ""; position: absolute; left: 0; top: 11px; width: 7px; height: 7px; border-radius: 50%; background: var(--color-primary); }
.diagram-arrow { position: relative; height: 2px; width: 100%; max-width: 56px; justify-self: center; background: linear-gradient(90deg, rgba(15,91,216,0.2) 0%, rgba(15,91,216,0.9) 100%); }
.diagram-arrow::after { content: ""; position: absolute; right: -2px; top: -4px; border-top: 5px solid transparent; border-bottom: 5px solid transparent; border-left: 10px solid var(--color-primary); }

.scorecard-row { padding: 14px 0; border-bottom: 1px solid var(--color-border); }
.scorecard-row:last-child { border-bottom: none; }
.scorecard-row .label, .scorecard-row .value { font-size: 0.9rem; }
.scorecard-row .value { font-family: var(--font-mono); font-weight: 600; }
.content-block { margin-bottom: 32px; }
.content-block h2 { margin-bottom: 14px; font-size: 2rem; }

.lifecycle-step { display: grid; grid-template-columns: 48px 1fr; gap: 18px; padding: 22px; border-radius: 22px; }
.lifecycle-step .step-num { display: inline-flex; align-items: center; justify-content: center; width: 48px; height: 48px; border-radius: 16px; background: var(--color-bg-accent); color: #fff; font-weight: 700; }

.lane-card { display: grid; grid-template-columns: 160px 1fr; gap: 18px; padding: 22px; border-radius: 22px; }
.lane-label { padding-right: 14px; border-right: 1px solid var(--color-border); }
.lane-label span { color: var(--color-primary); margin-bottom: 8px; }
.lane-flow { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; }

.cta-section { padding: 96px 0; }
.cta-shell { padding: 36px; border-radius: 30px; background: linear-gradient(135deg, #10233f 0%, #163152 60%, #1e4672 100%); box-shadow: var(--shadow-md); }
.cta-shell h2, .cta-shell p, .cta-note-light, .cta-meta .label, .cta-meta .value { color: #fff; }
.cta-shell p { color: rgba(255,255,255,0.9); margin-top: 14px; }
.cta-meta { padding: 22px; border-radius: 24px; background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.16); }
.cta-note-light, .cta-meta .label { color: rgba(255,255,255,0.88); }

.hero-grid, .page-hero-grid, .split-section, .operator-grid, .feature-row, .cta-shell,
.grid-2, .grid-3, .grid-4, .trust-grid, .architecture-grid, .lane-flow, .dashboard-stack {
  min-width: 0;
}

.hero-grid > *,
.page-hero-grid > *,
.split-section > *,
.operator-grid > *,
.feature-row > *,
.cta-shell > *,
.grid-2 > *,
.grid-3 > *,
.grid-4 > *,
.trust-grid > *,
.architecture-grid > *,
.lane-flow > *,
.dashboard-stack > *,
.card,
.diagram-board,
.dashboard-card,
.page-panel,
.scorecard,
.compliance-banner {
  min-width: 0;
}

.site-footer { padding: 56px 0 34px; border-top: 1px solid rgba(185,201,222,0.7); }
.footer-columns { display: grid; grid-template-columns: repeat(4,1fr); gap: 36px; margin-bottom: 28px; }
.footer-col h4 { margin-bottom: 14px; font-family: var(--font-mono); font-size: 0.76rem; letter-spacing: 0.09em; text-transform: uppercase; }
.footer-col a { display: block; padding: 5px 0; color: var(--color-text-muted); font-size: 0.9rem; }
.footer-inner { padding-top: 22px; border-top: 1px solid rgba(185,201,222,0.7); }
.footer-inner p { font-size: 0.84rem; color: var(--color-text-dim); }
.footer-note { margin-top: 6px; max-width: 760px; }

.faq-item { margin-bottom: 12px; border-radius: 20px; overflow: hidden; }
.faq-item[open] { border-color: var(--color-primary); }
.faq-question { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 22px 24px; cursor: pointer; list-style: none; font-weight: 600; }
.faq-question::-webkit-details-marker, .faq-question::marker { display: none; content: ""; }
.faq-chevron { width: 20px; height: 20px; stroke: var(--color-text-dim); transition: transform 0.2s ease; }
details[open] .faq-chevron { transform: rotate(180deg); }
.faq-answer { padding: 0 24px 22px; font-size: 0.94rem; }

.guide-grid { grid-template-columns: repeat(2,1fr); }
.guide-card { padding: 28px; border-radius: 24px; }
.guide-card .guide-meta { margin-bottom: 12px; font-size: 0.84rem; color: var(--color-text-dim); }
.guide-tag { display: inline-flex; padding: 6px 10px; border-radius: 999px; background: var(--color-bg-accent-soft); color: var(--color-primary); font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase; }

.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 46px; }
.contact-info h3 { margin: 26px 0 8px; font-size: 1rem; }
.contact-info h3:first-child { margin-top: 0; }

.form-group { margin-bottom: 18px; }
.form-group label { display: block; margin-bottom: 8px; color: var(--color-text-muted); font-size: 0.88rem; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 13px 15px; border: 1px solid var(--color-border); border-radius: 14px; background: rgba(255,255,255,0.96); color: var(--color-text); font: inherit; }
.form-group textarea { resize: vertical; min-height: 110px; }
.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236f8198' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

@media (max-width: 1120px) {
  .hero-grid, .page-hero-grid, .split-section, .operator-grid, .feature-row, .cta-shell, .architecture-grid { grid-template-columns: 1fr; }
  .diagram-arrow { width: 2px; height: 38px; margin: 0 auto; background: linear-gradient(180deg, rgba(15,91,216,0.2) 0%, rgba(15,91,216,0.9) 100%); }
  .diagram-arrow::after { right: auto; left: -4px; top: auto; bottom: -8px; border-left: 5px solid transparent; border-right: 5px solid transparent; border-top: 10px solid var(--color-primary); border-bottom: 0; }
  .trust-grid { grid-template-columns: repeat(2,1fr); }
  .summary-grid,
  .info-grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 1024px) {
  .grid-4, .trust-strip, .guide-grid, .footer-columns { grid-template-columns: repeat(2,1fr); }
  .lane-flow { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  html { font-size: 16px; }
  h1 { font-size: 2.7rem; }
  h2 { font-size: 2rem; }
  section, .hero, .page-header, .cta-section { padding: 72px 0; }
  .hero-copy, .hero-panel, .page-hero-card, .page-hero-side, .scorecard, .diagram-board, .compliance-banner, .page-panel, .callout-panel, .cta-shell { padding: 24px; }
  .hero-primary .hero-copy-full { min-height: auto; padding: 8px 0; }
  .grid-2, .grid-3, .grid-4, .hero-meta, .trust-grid, .guide-grid, .contact-grid, .trust-strip, .summary-grid, .info-grid-3 { grid-template-columns: 1fr; }
  .lane-card { grid-template-columns: 1fr; }
  .lane-label { border-right: none; border-bottom: 1px solid var(--color-border); padding-right: 0; padding-bottom: 12px; }
  .page-header h1,
  .page-hero-card h1 { font-size: 2.1rem; max-width: none; }
  nav { display: none; position: absolute; top: 76px; left: 0; right: 0; background: rgba(248,251,255,0.98); border-bottom: 1px solid var(--color-border); flex-direction: column; align-items: flex-start; gap: 18px; padding: 20px 28px 24px; }
  nav.open { display: flex; }
  .mobile-toggle { display: block; }
}

@media (max-width: 480px) {
  .btn { width: 100%; }
  .footer-columns { grid-template-columns: 1fr; }
}