/* Kinetic Signal design system — Intellisolve.IO */

:root {
  --color-primary: #1A73E8;
  --color-emerald: #34A853;
  --color-gold: #FBBC04;
  --color-coral: #EA4335;

  --color-canvas: #F8F9FA;
  --color-card: #FFFFFF;
  --color-text: #0F172A;
  --color-muted: #64748B;
  --color-border: #E2E8F0;

  --radius: 24px;
  --radius-sm: 12px;
  --max-width: 1280px;
  --section-padding: 80px;

  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--color-text);
  background: var(--color-canvas);
  line-height: 1.6;
}

img, svg { max-width: 100%; display: block; }

a { color: var(--color-primary); }

h1, h2, h3, h4 {
  font-weight: 800;
  line-height: 1.15;
  margin: 0 0 16px;
}

h1 { font-size: clamp(2.25rem, 4vw, 3.25rem); }
h2 { font-size: clamp(1.75rem, 3vw, 2.25rem); }
h3 { font-size: 1.25rem; font-weight: 700; }

p { margin: 0 0 16px; color: var(--color-text); }

.muted { color: var(--color-muted); }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: var(--section-padding) 0;
}

@media (max-width: 720px) {
  :root { --section-padding: 48px; }
}

/* Skip link */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-primary);
  color: #fff;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  z-index: 1000;
}
.skip-link:focus {
  left: 24px;
  top: 12px;
}

/* Header / nav */
.site-header {
  background: var(--color-card);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-bar {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--color-text);
}

.brand-wordmark {
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}

.brand-wordmark .io {
  color: var(--color-primary);
}

.brand-tagline {
  display: block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-muted);
  margin-top: -2px;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  cursor: pointer;
}

.nav-toggle-icon,
.nav-toggle-icon::before,
.nav-toggle-icon::after {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-text);
  border-radius: 1px;
  position: relative;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle-icon::before { content: ""; position: absolute; top: -6px; }
.nav-toggle-icon::after { content: ""; position: absolute; top: 6px; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--color-primary);
}

.nav-cta {
  display: flex;
  align-items: center;
}

@media (max-width: 860px) {
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-card);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 12px 24px 20px;
    display: none;
  }

  .nav-links.is-open { display: flex; }

  .nav-links a {
    width: 100%;
    padding: 10px 0;
  }

  .nav-cta { display: none; }
  .nav-links.is-open .nav-cta {
    display: flex;
    width: 100%;
    padding: 10px 0 0;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-primary:hover { background: #1558b0; }

.btn-secondary {
  background: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.btn-secondary:hover { background: rgba(26, 115, 232, 0.08); }

/* Hero */
.hero {
  padding-top: calc(var(--section-padding) + 16px);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
}

.eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: rgba(26, 115, 232, 0.08);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 28px;
}

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-top: 40px;
}

.card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
}

.card-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(26, 115, 232, 0.1);
  color: var(--color-primary);
  font-weight: 800;
  margin-bottom: 16px;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 24px;
  margin-top: 40px;
}

.stat {
  border-left: 3px solid var(--color-primary);
  padding-left: 16px;
}

.stat-number {
  font-size: 1.75rem;
  font-weight: 800;
  display: block;
}

/* Section variants */
.section-alt {
  background: var(--color-card);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.section-header {
  max-width: 720px;
  margin: 0 0 8px;
}

/* Tag / pill list */
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.tag {
  background: var(--color-canvas);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 0.85rem;
  color: var(--color-text);
}

/* Forms */
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 24px;
}

@media (max-width: 640px) {
  .form-grid { grid-template-columns: 1fr; }
}

.form-field { display: flex; flex-direction: column; gap: 6px; }
.form-field.full { grid-column: 1 / -1; }

.form-field label {
  font-weight: 600;
  font-size: 0.9rem;
}

.form-field input,
.form-field select,
.form-field textarea {
  font-family: inherit;
  font-size: 1rem;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-canvas);
  color: var(--color-text);
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
}

.form-hint {
  font-size: 0.8rem;
  color: var(--color-muted);
}

.form-actions { margin-top: 8px; }

/* Leadership */
.initials-block {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-emerald));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.75rem;
  flex-shrink: 0;
}

.leader-header {
  display: flex;
  gap: 24px;
  align-items: center;
  flex-wrap: wrap;
}

.cert-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
  margin-top: 24px;
  padding: 0;
  list-style: none;
}

.cert-list li {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  font-size: 0.9rem;
}

/* Article */
.article-body h2 { margin-top: 40px; }
.article-body p { max-width: 70ch; }
.article-meta {
  color: var(--color-muted);
  font-size: 0.9rem;
  margin-bottom: 24px;
}

/* Callout / coming soon */
.callout {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 40px;
  text-align: center;
}

/* Footer */
.site-footer {
  background: var(--color-text);
  color: #E2E8F0;
  padding: 48px 0 32px;
}

.footer-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 32px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links a {
  color: #E2E8F0;
  text-decoration: none;
  font-size: 0.9rem;
}
.footer-links a:hover { color: var(--color-gold); }

.footer-legal {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.15);
  font-size: 0.85rem;
  color: #94A3B8;
}

/* Utility */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.badge-partner {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-muted);
}