/* Email Triage Product Subsite — Indigo + Cyan over Deep Navy */
:root {
  --color-header: #0F172A;
  --color-primary: #4F46E5;
  --color-secondary: #06B6D4;
  --color-secondary-bright: #67E8F9;  /* high-contrast cyan for use on dark backgrounds */
  --color-accent-bg: #EEF2FF;
  --color-card-bg: #F5F3FF;
  --color-cta: #4F46E5;
  --color-cta-hover: #4338CA;
  --color-success: #10B981;
  --color-warning: #F59E0B;
  --color-text: #1E293B;
  --color-text-muted: #64748B;
  --color-code-bg: #0F172A;
  --color-code-text: #06B6D4;
  --color-heading: #0F172A;
  --color-link: #4F46E5;
  --color-footer: #0F172A;
  --color-card-border: #4F46E5;
}

/* Base reset + typography */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif; color: var(--color-text); background: #fff; line-height: 1.6; }
a { color: var(--color-link); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4, h5 { color: var(--color-heading); margin: 0 0 0.6em 0; line-height: 1.25; }
h1 { font-size: 2.4rem; }
h2 { font-size: 1.8rem; }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1em 0; }

/* Layout */
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
section { padding: 48px 0; }

/* Header */
header { background: var(--color-header); color: #fff; }
header .container { display: flex; align-items: center; justify-content: space-between; padding: 16px 24px; flex-wrap: wrap; gap: 12px; }
.brand-row { display: flex; align-items: center; gap: 10px; }
header .brand { font-weight: 700; font-size: 1.2rem; color: #fff; }
header .brand span { color: var(--color-secondary-bright); }
.theme-toggle {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.2);
  color: var(--color-secondary-bright);
  width: 32px; height: 32px;
  border-radius: 6px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
.theme-toggle:hover { background: rgba(103,232,249,0.12); border-color: var(--color-secondary-bright); }
.theme-toggle svg { width: 18px; height: 18px; display: block; }
header nav a { color: #fff; margin-left: 18px; font-size: 0.95rem; opacity: 0.85; }
header nav a:hover { opacity: 1; color: var(--color-secondary-bright); text-decoration: none; }
header nav a.active { opacity: 1; color: var(--color-secondary-bright); border-bottom: 2px solid var(--color-secondary-bright); padding-bottom: 4px; }

/* Hero */
.hero {
  background:
    radial-gradient(circle at 1px 1px, rgba(79,70,229,0.10) 1.5px, transparent 1.5px),
    var(--color-accent-bg);
  background-size: 28px 28px;
  padding: 72px 0;
  text-align: center;
}
.hero h1 { font-size: 3rem; max-width: 800px; margin: 0 auto 18px auto; }
.hero p.lead { font-size: 1.2rem; max-width: 700px; margin: 0 auto 28px auto; color: var(--color-text); }
.hero .cta-group { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* Buttons */
.cta-btn {
  display: inline-block;
  background: var(--color-cta);
  color: #fff;
  padding: 12px 26px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  transition: background 0.2s;
}
.cta-btn:hover { background: var(--color-cta-hover); text-decoration: none; }
.cta-btn.secondary { background: transparent; color: var(--color-primary); border: 2px solid var(--color-primary); padding: 10px 24px; }
.cta-btn.secondary:hover { background: var(--color-primary); color: #fff; }
.cta-btn.on-dark { background: var(--color-secondary); color: var(--color-header); }
.cta-btn.on-dark:hover { background: #67E8F9; }

/* Section titles */
.section-title { font-size: 2rem; text-align: center; margin-bottom: 12px; }
.section-subtitle { text-align: center; color: var(--color-text-muted); max-width: 700px; margin: 0 auto 32px auto; font-size: 1.05rem; }
.eyebrow { text-transform: uppercase; letter-spacing: 0.14em; font-size: 0.85rem; color: var(--color-primary); font-weight: 700; text-align: center; margin-bottom: 8px; }

/* Card grid */
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }
.card {
  background: #fff;
  border-top: 3px solid var(--color-primary);
  border-radius: 6px;
  padding: 20px;
  box-shadow: 0 2px 8px rgba(15,23,42,0.08);
}
.card h3 { color: var(--color-heading); margin: 0 0 10px 0; font-size: 1.15rem; }
.card p { font-size: 0.95rem; color: var(--color-text); margin: 0; }
.card ul { padding-left: 1.2rem; margin: 0; }
.card ul li { margin-bottom: 0.4rem; font-size: 0.95rem; }
.card.dark { background: var(--color-header); color: #fff; border-top-color: var(--color-secondary); }
.card.dark h3 { color: #fff; }
.card.dark p { color: rgba(255,255,255,0.85); }
.card .tag { display: inline-block; background: var(--color-secondary); color: var(--color-header); padding: 2px 10px; border-radius: 12px; font-size: 0.75rem; font-weight: 700; margin-bottom: 8px; }

/* Sovereign AI featured strip */
.sovereign-strip {
  background: linear-gradient(135deg, var(--color-header) 0%, var(--color-primary) 100%);
  color: #fff;
  padding: 56px 0;
}
.sovereign-strip .container { color: #fff; }
.sovereign-strip h2 { color: #fff; text-align: center; }
.sovereign-strip h2 .accent { color: #67E8F9; }   /* brighter cyan, higher contrast on dark */
.sovereign-strip .eyebrow { color: #67E8F9; }
.sovereign-strip p.lead-light { text-align: center; max-width: 700px; margin: 0 auto 28px auto; font-size: 1.1rem; color: rgba(255,255,255,0.92); }
.sovereign-strip .card {
  background: rgba(255,255,255,0.10);
  border-top: 3px solid #67E8F9;
  color: #fff;
  backdrop-filter: blur(4px);
}
.sovereign-strip .card h3 { color: #fff; }        /* white h3 for max contrast */
.sovereign-strip .card p, .sovereign-strip .card li { color: rgba(255,255,255,0.92); }
.sovereign-strip .card code { background: rgba(0,0,0,0.3); color: #67E8F9; border: 1px solid rgba(103,232,249,0.3); }
.sovereign-strip .cta-row { text-align: center; margin-top: 28px; }

/* Mockup framing */
.mockup-frame {
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 10px 40px rgba(15,23,42,0.18);
  overflow: hidden;
  margin: 24px auto;
  max-width: 100%;
}
.mockup-frame img, .mockup-frame svg { display: block; width: 100%; height: auto; }
.mockup-caption { text-align: center; font-size: 0.85rem; color: var(--color-text-muted); margin-top: 8px; font-style: italic; }

/* Code blocks */
pre.code, .code-block {
  background: var(--color-code-bg);
  color: var(--color-code-text);
  padding: 18px 22px;
  border-radius: 6px;
  font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
  font-size: 0.88rem;
  overflow-x: auto;
  line-height: 1.6;
  border-left: 4px solid var(--color-secondary);
}
.code-block .comment { color: #94A3B8; }
.code-block .key { color: #F59E0B; }
.code-block .str { color: #10B981; }

/* Tier cards */
.tier-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; margin-top: 32px; }
.tier-card {
  background: #fff;
  border: 2px solid #E2E8F0;
  border-radius: 8px;
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
}
.tier-card.featured { border-color: var(--color-primary); position: relative; }
.tier-card.featured::before {
  content: 'Fractional CTO';
  position: absolute;
  top: -12px; left: 24px;
  background: var(--color-primary);
  color: #fff;
  padding: 3px 12px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.tier-card h3 { font-size: 1.4rem; color: var(--color-primary); }
.tier-card .tier-target { font-size: 0.9rem; color: var(--color-text-muted); margin-bottom: 14px; font-style: italic; }
.tier-card ul { padding-left: 1.2rem; margin: 0 0 20px 0; flex-grow: 1; }
.tier-card ul li { margin-bottom: 0.5rem; font-size: 0.95rem; }
.tier-card .cta-btn { margin-top: auto; align-self: stretch; text-align: center; }

/* Timeline */
.timeline { position: relative; padding-left: 32px; margin: 32px 0; }
.timeline::before { content: ''; position: absolute; left: 11px; top: 0; bottom: 0; width: 2px; background: var(--color-primary); }
.timeline-step { position: relative; margin-bottom: 24px; }
.timeline-step::before {
  content: ''; position: absolute; left: -27px; top: 4px;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--color-primary); border: 3px solid #fff; box-shadow: 0 0 0 2px var(--color-primary);
}
.timeline-step h4 { color: var(--color-primary); margin: 0 0 4px 0; font-size: 1.05rem; }
.timeline-step p { margin: 0; font-size: 0.95rem; color: var(--color-text); }
.timeline-step .week { font-weight: 700; color: var(--color-text-muted); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.08em; margin-right: 8px; }

/* Pipeline diagram inline */
.pipeline-row { display: flex; align-items: center; justify-content: center; gap: 8px; flex-wrap: wrap; margin: 28px 0; }
.pipeline-stage { background: #fff; border: 2px solid var(--color-primary); padding: 14px 22px; border-radius: 8px; font-weight: 600; color: var(--color-primary); min-width: 120px; text-align: center; box-shadow: 0 2px 8px rgba(79,70,229,0.12); }
.pipeline-arrow { color: var(--color-secondary); font-size: 1.5rem; font-weight: 700; }

/* Callout box */
.callout {
  background: var(--color-header);
  color: #fff;
  padding: 24px 28px;
  border-radius: 8px;
  margin: 32px 0;
  border-left: 6px solid var(--color-secondary);
}
.callout strong { color: var(--color-secondary-bright); }
.callout p:last-child { margin-bottom: 0; }

/* Form */
form { background: #fff; max-width: 600px; margin: 0 auto; padding: 28px; border: 1px solid #E2E8F0; border-radius: 8px; }
form label { display: block; margin: 12px 0 6px 0; font-weight: 600; font-size: 0.95rem; color: var(--color-heading); }
form input, form select, form textarea { width: 100%; padding: 10px 12px; border: 1px solid #CBD5E1; border-radius: 4px; font-size: 1rem; font-family: inherit; }
form input:focus, form select:focus, form textarea:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(79,70,229,0.15); }
form button[type=submit] { background: var(--color-cta); color: #fff; padding: 12px 28px; border: none; border-radius: 6px; font-weight: 600; font-size: 1rem; cursor: pointer; margin-top: 18px; }
form button[type=submit]:hover { background: var(--color-cta-hover); }

/* Footer */
footer { background: var(--color-footer); color: #fff; padding: 36px 0; text-align: center; margin-top: 60px; }
footer .container { color: #fff; }
footer nav { margin-bottom: 14px; }
footer nav a { color: rgba(255,255,255,0.85); margin: 0 8px; font-size: 0.95rem; }
footer nav a:hover { color: var(--color-secondary-bright); text-decoration: none; }
footer .vertical-links { background: rgba(255,255,255,0.05); padding: 16px; border-radius: 6px; margin: 18px auto; max-width: 600px; }
footer .vertical-links strong { display: block; color: var(--color-secondary-bright); margin-bottom: 6px; font-size: 0.9rem; text-transform: uppercase; letter-spacing: 0.08em; }
footer .vertical-links a { display: inline-block; margin: 0 12px; color: #fff; }
footer p { color: rgba(255,255,255,0.6); font-size: 0.85rem; margin: 8px 0; }

/* Provider/feature comparison table */
table.feature-table { width: 100%; border-collapse: collapse; margin: 18px 0; }
.feature-table th, .feature-table td { padding: 12px 14px; text-align: left; border-bottom: 1px solid #E2E8F0; }
.feature-table th { background: var(--color-accent-bg); color: var(--color-heading); font-size: 0.95rem; }
.feature-table td { font-size: 0.95rem; }
.feature-table tr:hover { background: #FAFBFF; }
.feature-table code { background: #EEF2FF; color: #3730A3; padding: 2px 8px; border-radius: 3px; font-size: 0.88em; font-weight: 600; border: 1px solid #C7D2FE; }
/* General inline code outside the feature-table */
p code, li code { background: #F1F5F9; color: #3730A3; padding: 1px 6px; border-radius: 3px; font-size: 0.88em; border: 1px solid #E2E8F0; }
.callout code { background: rgba(255,255,255,0.12); color: #C7D2FE; border-color: rgba(255,255,255,0.2); }

/* Badge */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.badge.success { background: #D1FAE5; color: #065F46; }
.badge.warning { background: #FEF3C7; color: #78350F; }
.badge.info { background: var(--color-accent-bg); color: var(--color-primary); }

/* Responsive */
@media (max-width: 700px) {
  .hero { padding: 48px 0; }
  .hero h1 { font-size: 2rem; }
  h1 { font-size: 1.8rem; }
  h2 { font-size: 1.5rem; }
  header .container { flex-direction: column; align-items: flex-start; }
  header nav a { margin-left: 0; margin-right: 14px; }
  .pipeline-row { flex-direction: column; }
  .pipeline-arrow { transform: rotate(90deg); }
}