/* TechnologyBSP — design system
   Type: Inter (400/500/600/700), modular scale ~1.25
   Color: warm off-white bg, ink navy text, single cobalt accent
   Spacing: 8px scale · Content width: 1140px */

:root {
  --bg: #faf9f6;
  --surface: #ffffff;
  --ink: #171a21;
  --ink-soft: #3d4350;
  --muted: #565d6b;
  --border: #e7e5de;
  --dark: #0f1524;
  --dark-soft: #a8b0c2;
  --accent: #2255e0;
  --accent-hover: #1a46be;
  --accent-soft: #edf1fd;
  --radius-sm: 10px;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(23, 26, 33, 0.04), 0 8px 24px rgba(23, 26, 33, 0.06);
  --shadow-lift: 0 2px 4px rgba(23, 26, 33, 0.05), 0 16px 40px rgba(34, 85, 224, 0.10);
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1.125rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

/* ---------- Type ---------- */

h1, h2, h3 { margin: 0; font-weight: 650; letter-spacing: -0.02em; text-wrap: balance; }

.display {
  font-size: clamp(2.5rem, 5.5vw, 3.875rem);
  line-height: 1.08;
  letter-spacing: -0.025em;
}

h2 { font-size: clamp(1.75rem, 3.4vw, 2.4375rem); line-height: 1.15; }
h3 { font-size: 1.25rem; line-height: 1.35; letter-spacing: -0.01em; }

p { margin: 0; }

.lede { font-size: 1.25rem; line-height: 1.6; color: var(--ink-soft); }
.muted { color: var(--muted); }

.eyebrow {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}

/* ---------- Layout ---------- */

.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }

.section { padding: 104px 0; }
.section-tight { padding: 72px 0; }

.section-head { max-width: 640px; margin-bottom: 56px; }
.section-head p { margin-top: 16px; }

/* ---------- Accessibility ---------- */

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: #fff;
  padding: 12px 20px;
  border-radius: 0 0 var(--radius-sm) 0;
  z-index: 100;
}
.skip-link:focus { left: 0; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 26px;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  border: 1.5px solid transparent;
  transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
  min-height: 48px;
}

.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); box-shadow: var(--shadow-lift); }
.btn-primary:active { transform: translateY(0); }

.btn-secondary { background: transparent; color: var(--ink); border-color: rgba(23, 26, 33, 0.25); }
.btn-secondary:hover { border-color: var(--ink); background: rgba(23, 26, 33, 0.03); }

.btn-on-dark { background: #fff; color: var(--dark); }
.btn-on-dark:hover { background: #e9edf8; transform: translateY(-1px); }

.btn svg { flex-shrink: 0; }

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 249, 246, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}

.brand {
  font-size: 1.1875rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.28em; /* the name is two words: "Technology BSP" */
}
.brand .brand-mark { color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a:not(.btn) {
  display: inline-block;
  padding: 10px 14px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--ink-soft);
  text-decoration: none;
  border-radius: 8px;
  transition: color 0.2s ease, background-color 0.2s ease;
}

.nav-links a:not(.btn):hover { color: var(--ink); background: rgba(23, 26, 33, 0.04); }
.nav-links a[aria-current="page"] { color: var(--ink); font-weight: 600; }

.nav-links .btn { padding: 11px 18px; font-size: 0.9375rem; min-height: 42px; margin-left: 8px; }

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

/* ---------- Hero ---------- */

.hero { padding: 112px 0 96px; }

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: 64px;
  align-items: center;
}

.hero .lede { margin-top: 24px; max-width: 34em; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }

.hero-note { margin-top: 20px; font-size: 0.9375rem; color: var(--muted); }

/* Hero visual: session card */

.session-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.session-card-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
}

.session-card-bar span { width: 10px; height: 10px; border-radius: 50%; background: var(--border); }
.session-card-bar span:first-child { background: #e8a3a3; }
.session-card-bar span:nth-child(2) { background: #e8d5a3; }
.session-card-bar span:nth-child(3) { background: #b2d8b4; }

.session-card-body { padding: 24px; display: grid; gap: 14px; }

.session-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  color: var(--ink-soft);
}

.session-row.done { background: var(--accent-soft); border-color: transparent; }
.session-row .check { color: var(--accent); flex-shrink: 0; }
.session-row .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); flex-shrink: 0; animation: pulse 2s ease-in-out infinite; }

@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }

.session-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.875rem;
  color: var(--muted);
  padding-top: 4px;
}
.session-meta strong { color: var(--ink); font-weight: 600; }

/* ---------- Fact strip ---------- */

.fact-strip { border-block: 1px solid var(--border); background: var(--surface); }

.fact-strip .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 24px 48px;
  padding-top: 28px;
  padding-bottom: 28px;
}

.fact { display: flex; align-items: center; gap: 12px; font-size: 0.9375rem; font-weight: 500; color: var(--ink-soft); }
.fact svg { color: var(--accent); flex-shrink: 0; }

/* ---------- Cards ---------- */

.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }

.card-icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-sm);
  background: var(--accent-soft);
  color: var(--accent);
  margin-bottom: 20px;
}

.card h3 { margin-bottom: 10px; }
.card p { font-size: 1rem; color: var(--muted); }

/* ---------- Steps ---------- */

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; counter-reset: step; }

.step { position: relative; padding: 32px 28px 32px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); }

.step-num {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 16px;
}

.step h3 { margin-bottom: 10px; }
.step p { font-size: 1rem; color: var(--muted); }

/* ---------- Pricing ---------- */

.pricing-card {
  max-width: 720px;
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: var(--shadow);
  padding: 56px 48px;
  text-align: center;
}

.price {
  font-size: clamp(3.5rem, 8vw, 5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
  margin: 24px 0 8px;
}

.price .per { font-size: 1.5rem; font-weight: 500; color: var(--muted); letter-spacing: -0.01em; }

.pricing-points {
  list-style: none;
  margin: 32px 0 36px;
  padding: 0;
  display: grid;
  gap: 12px;
  justify-content: center;
}

.pricing-points li { display: flex; align-items: center; gap: 12px; font-size: 1.0625rem; color: var(--ink-soft); }
.pricing-points svg { color: var(--accent); flex-shrink: 0; }

/* ---------- FAQ ---------- */

.faq-list { max-width: 760px; display: grid; gap: 12px; }

.faq-list details {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0;
}

.faq-list summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 22px 26px;
  font-size: 1.0625rem;
  font-weight: 600;
}

.faq-list summary::-webkit-details-marker { display: none; }

.faq-list summary::after {
  content: "+";
  font-size: 1.375rem;
  font-weight: 400;
  color: var(--muted);
  line-height: 1;
  transition: transform 0.2s ease;
}

.faq-list details[open] summary::after { transform: rotate(45deg); }

.faq-list details p { padding: 0 26px 24px; color: var(--muted); font-size: 1rem; max-width: 60ch; }

/* ---------- Dark CTA ---------- */

.cta-dark { background: var(--dark); color: #fff; border-radius: 24px; padding: 80px 48px; text-align: center; }

.cta-dark h2 { color: #fff; }
.cta-dark p { color: var(--dark-soft); margin: 20px auto 36px; max-width: 36em; font-size: 1.125rem; }

/* ---------- Prose pages (about / legal) ---------- */

.page-head { padding: 96px 0 0; max-width: 760px; }
.page-head .lede { margin-top: 20px; }

.prose { max-width: 720px; }
.prose h2 { font-size: 1.5rem; margin: 48px 0 16px; }
.prose h2:first-child { margin-top: 0; }
.prose p { margin: 0 0 18px; color: var(--ink-soft); }
.prose ul { margin: 0 0 18px; padding-left: 24px; color: var(--ink-soft); }
.prose li { margin-bottom: 8px; }
.prose .updated { font-size: 0.9375rem; color: var(--muted); }

/* ---------- Contact ---------- */

.contact-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: var(--shadow);
  padding: 56px 48px;
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}

.contact-phone {
  display: inline-block;
  font-size: clamp(1.75rem, 5vw, 2.4375rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-decoration: none;
  margin: 20px 0 8px;
}

.contact-phone:hover { color: var(--accent); }

/* ---------- Footer ---------- */

.site-footer { background: var(--dark); color: var(--dark-soft); margin-top: 104px; }

.footer-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 40px;
  padding: 64px 0 48px;
}

.footer-brand { max-width: 300px; }
.footer-brand .brand { color: #fff; margin-bottom: 14px; }
.footer-brand p { font-size: 0.9375rem; }

.footer-col h3 { color: #fff; font-size: 0.8125rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 18px; }

.footer-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }

.footer-col a { color: var(--dark-soft); text-decoration: none; font-size: 0.9375rem; transition: color 0.2s ease; }
.footer-col a:hover { color: #fff; }

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 24px 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.875rem;
}

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  .section { padding: 72px 0; }
  .hero { padding: 72px 0 64px; }
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .card-grid, .steps { grid-template-columns: 1fr 1fr; }
  .cta-dark { padding: 64px 32px; }
}

@media (max-width: 640px) {
  body { font-size: 1.0625rem; }
  .card-grid, .steps { grid-template-columns: 1fr; }
  .pricing-card, .contact-card { padding: 40px 24px; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .cta-dark { border-radius: var(--radius); padding: 56px 24px; }

  .nav-toggle { display: block; }

  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 16px 24px 24px;
    gap: 4px;
    box-shadow: var(--shadow);
  }

  .nav-open .nav-links { display: flex; }
  .nav-links a:not(.btn) { padding: 14px; font-size: 1.0625rem; }
  .nav-links .btn { margin: 12px 0 0; justify-content: center; }
}