/* ==========================================================
   Brunexis — production styles
   Design tokens, layout, components, responsive breakpoints.
   ========================================================== */

:root {
  --bg: #f6f6f4;
  --surface: #ffffff;
  --ink: #0a0a0a;
  --ink-2: #141414;
  --muted: #666666;
  --muted-2: #888888;
  --line: #ececea;
  --line-2: #222222;
  --brand: #2563eb;
  --brand-hover: #1d4fd7;
  --panel: #eeece8;
  --radius: 20px;
  --radius-lg: 28px;
  --shadow-card: 0 30px 60px -30px rgba(0,0,0,0.15);
  --max: 1120px;
  --gutter: 24px;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img, svg { max-width: 100%; display: block; }
button { font: inherit; background: none; border: 0; cursor: pointer; color: inherit; }

/* Accessibility helpers */
.skip-link {
  position: absolute;
  top: -40px;
  left: 12px;
  background: var(--ink);
  color: #fff;
  padding: 10px 14px;
  border-radius: 8px;
  z-index: 100;
  font-size: 14px;
}
.skip-link:focus { top: 12px; }

:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 3px;
  border-radius: 6px;
}

/* Layout */
.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 500;
  font-size: 14px;
  transition: transform 0.15s ease, background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
  border: 1px solid transparent;
  min-height: 44px;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: #222; }
.btn-primary {
  background: var(--brand);
  color: #fff;
  padding: 14px 24px;
  font-weight: 600;
}
.btn-primary:hover { background: var(--brand-hover); }
.btn-ghost {
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--line);
  padding: 14px 22px;
  font-weight: 600;
}
.btn-ghost:hover { background: #f2f2ef; }

/* ============ NAV ============ */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(246,246,244,0.85);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid rgba(0,0,0,0.04);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
  gap: 16px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
}
.brand-logo {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--ink);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 14px;
  font-weight: 700;
}
.brand-name { font-size: 16px; }
.nav-links {
  display: flex;
  gap: 32px;
}
.nav-links a {
  font-size: 14px;
  color: #444;
  font-weight: 500;
  transition: color 0.15s ease;
}
.nav-links a:hover { color: var(--ink); }

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #fff;
  padding: 0;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
}
.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.mobile-nav {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 8px 24px 20px;
  border-bottom: 1px solid var(--line);
  background: rgba(246,246,244,0.98);
}
.mobile-nav a {
  padding: 14px 4px;
  font-size: 16px;
  font-weight: 500;
  color: #333;
  border-bottom: 1px solid rgba(0,0,0,0.05);
}
.mobile-nav a:last-child { border-bottom: 0; margin-top: 12px; }
.mobile-nav.open { display: flex; }

/* ============ HERO ============ */
.hero {
  padding: 56px 0 72px;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  border: 1px solid var(--line);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 13px;
  color: #444;
  font-weight: 500;
}
.pill-dot { color: var(--brand); }
.hero-title {
  font-size: clamp(40px, 6vw, 64px);
  line-height: 1.05;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin: 24px 0 20px;
}
.hero-sub {
  font-size: clamp(15px, 1.4vw, 17px);
  color: #555;
  max-width: 460px;
  margin-bottom: 28px;
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
}
.hero-trust {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 12px;
  font-size: 13px;
  color: var(--muted-2);
  font-weight: 500;
}
.hero-trust .dot {
  width: 4px;
  height: 4px;
  background: #ccc;
  border-radius: 50%;
}

/* Call card */
.hero-visual { display: flex; justify-content: center; }
.call-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 24px;
  width: 100%;
  max-width: 460px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-card);
}
.call-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: #555;
  margin-bottom: 18px;
}
.live-dot {
  width: 8px;
  height: 8px;
  background: #22c55e;
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(34,197,94,0.15);
}
.live-label { font-weight: 500; }
.call-time { margin-left: auto; color: #999; font-variant-numeric: tabular-nums; }
.call-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 14px;
}
.call-emergency {
  background: var(--ink);
  color: #fff;
  border-radius: var(--radius);
  padding: 18px;
}
.ce-icon {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--brand);
  display: grid;
  place-items: center;
  margin-bottom: 12px;
  font-size: 16px;
}
.ce-title { font-weight: 600; font-size: 15px; margin-bottom: 8px; line-height: 1.2; }
.ce-sub { font-size: 12px; color: #aaa; margin-bottom: 12px; line-height: 1.4; }
.ce-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: rgba(255,255,255,0.08);
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 11px;
  color: #ddd;
}
.call-response {
  background: var(--bg);
  border-radius: var(--radius);
  padding: 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.cr-title { font-weight: 600; font-size: 14px; }
.waveform {
  display: flex;
  align-items: center;
  gap: 4px;
  height: 50px;
  margin-top: 16px;
}
.waveform span {
  flex: 1;
  background: var(--brand);
  border-radius: 2px;
  animation: wave 1.2s ease-in-out infinite;
}
.waveform span:nth-child(1) { height: 30%; animation-delay: 0s; }
.waveform span:nth-child(2) { height: 60%; animation-delay: 0.1s; }
.waveform span:nth-child(3) { height: 85%; animation-delay: 0.2s; }
.waveform span:nth-child(4) { height: 50%; animation-delay: 0.3s; }
.waveform span:nth-child(5) { height: 70%; animation-delay: 0.4s; }
.waveform span:nth-child(6) { height: 40%; animation-delay: 0.5s; }
.waveform span:nth-child(7) { height: 80%; animation-delay: 0.6s; }
.waveform span:nth-child(8) { height: 55%; animation-delay: 0.7s; }
.waveform span:nth-child(9) { height: 65%; animation-delay: 0.8s; }
.waveform span:nth-child(10) { height: 35%; animation-delay: 0.9s; }
.waveform span:nth-child(11) { height: 75%; animation-delay: 1s; }
.waveform span:nth-child(12) { height: 45%; animation-delay: 1.1s; }
.waveform span:nth-child(13) { height: 60%; animation-delay: 0s; }
.waveform span:nth-child(14) { height: 30%; animation-delay: 0.2s; }
.waveform span:nth-child(15) { height: 50%; animation-delay: 0.4s; }
@keyframes wave {
  0%, 100% { transform: scaleY(0.6); }
  50% { transform: scaleY(1); }
}
.call-quote {
  display: flex;
  gap: 10px;
  background: var(--bg);
  border-radius: 16px;
  padding: 14px;
  font-size: 13px;
  color: #444;
  margin-bottom: 16px;
}
.cq-avatar {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: #fff;
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  font-size: 12px;
  flex-shrink: 0;
}
.call-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  padding-top: 8px;
}
.call-stats > div { display: flex; flex-direction: column; gap: 2px; }
.call-stats strong {
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: 700;
  letter-spacing: -0.02em;
}
.call-stats span { font-size: 11px; color: var(--muted-2); }

/* ============ SECTIONS ============ */
.section { padding: 56px 0; }
.section-head { text-align: center; margin-bottom: 40px; }
.eyebrow {
  display: inline-block;
  color: var(--brand);
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 12px;
}
.eyebrow-light {
  color: var(--brand);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 12px;
}
.section-head h2,
.compare-head h2,
.cta h2,
.experience-left h2 {
  font-size: clamp(26px, 3.5vw, 36px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

/* Grids */
.grid { display: grid; gap: 16px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-tall { grid-template-columns: repeat(3, 1fr); }

/* Cards */
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.card:hover { transform: translateY(-2px); box-shadow: 0 20px 40px -30px rgba(0,0,0,0.15); }
.card-icon {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  color: var(--brand);
  margin-bottom: 20px;
  font-size: 18px;
}
.card h3 { font-size: 16px; font-weight: 600; margin-bottom: 8px; }
.card p { font-size: 14px; color: var(--muted); line-height: 1.5; }
.card.small { padding: 20px; }
.card.small h4 { font-size: 15px; font-weight: 600; line-height: 1.35; }
.card.small .card-icon { margin-bottom: 24px; }
.card.dark {
  background: var(--ink);
  color: #fff;
  border-color: var(--ink);
}
.card.dark .card-icon { color: #fff; }

/* Steps */
.step {
  position: relative;
  min-height: 160px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.step-num {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--ink);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 24px;
}
.step-icon { color: var(--brand); font-size: 18px; margin-bottom: 20px; }
.step h3 { font-size: 15px; font-weight: 600; line-height: 1.35; }
.step-dark { background: var(--ink); color: #fff; border-color: var(--ink); }
.step-dark .step-num { background: var(--brand); color: #fff; }
.step-dark .step-icon { color: #fff; }

/* Comparison */
.compare {
  background: var(--ink);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: clamp(32px, 5vw, 56px) clamp(24px, 4vw, 40px);
}
.compare-head { text-align: center; margin-bottom: 40px; }
.compare-head h2 { color: #fff; }
.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.compare-card {
  background: var(--ink-2);
  border: 1px solid var(--line-2);
  border-radius: var(--radius);
  padding: 30px;
}
.compare-card.light { background: #fff; color: var(--ink); border-color: #fff; }
.compare-card h3 { font-size: 18px; font-weight: 600; margin-bottom: 20px; }
.compare-card ul { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.compare-card li { font-size: 14px; display: flex; align-items: center; gap: 10px; }
.compare-card.light li { color: #333; }
.compare-card ul.cross li::before {
  content: "⊘";
  color: #666;
  font-size: 16px;
  width: 18px;
}
.compare-card ul.check li::before {
  content: "⊕";
  color: var(--brand);
  font-size: 16px;
  width: 18px;
}

/* Experience */
.experience {
  background: var(--panel);
  border-radius: var(--radius-lg);
  padding: clamp(28px, 4vw, 40px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
}
.experience-left .eyebrow { margin-bottom: 12px; }
.experience-left h2 { margin-bottom: 16px; }
.experience-left p {
  color: #555;
  font-size: 15px;
  margin-bottom: 24px;
  max-width: 400px;
}
.experience-right { display: flex; flex-direction: column; gap: 12px; }
.exp-card {
  background: #fff;
  border-radius: 16px;
  padding: 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  transition: transform 0.2s ease;
}
.exp-card:hover { transform: translateY(-2px); }
.exp-card.dark { background: var(--ink); color: #fff; }
.exp-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--brand);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 16px;
  flex-shrink: 0;
}
.exp-card h4 { font-size: 15px; font-weight: 600; margin-bottom: 4px; }
.exp-card p { font-size: 13px; color: var(--muted); line-height: 1.4; }
.exp-card.dark p { color: #aaa; }

/* FAQ */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.faq-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px 22px;
  transition: border-color 0.2s ease;
}
.faq-item[open] { border-color: #d9d9d5; }
.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 15px;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-size: 20px;
  font-weight: 400;
  color: #888;
  transition: transform 0.2s ease;
}
.faq-item[open] summary::after { content: "−"; }
.faq-item p {
  margin-top: 10px;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.55;
}

/* CTA */
.cta {
  background: var(--ink);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: clamp(48px, 7vw, 72px) clamp(24px, 4vw, 40px);
  text-align: center;
}
.cta h2 { color: #fff; margin-bottom: 16px; }
.cta p { color: #aaa; font-size: 16px; margin-bottom: 32px; }
.cta .btn-primary { box-shadow: 0 0 0 6px rgba(37,99,235,0.15); }

/* Footer */
.footer {
  padding: 40px 0 32px;
  border-top: 1px solid var(--line);
  margin-top: 40px;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 20px;
  gap: 20px;
  flex-wrap: wrap;
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 22px;
  font-size: 14px;
  color: #555;
}
.footer-links a { transition: color 0.15s ease; }
.footer-links a:hover { color: var(--ink); }
.footer-bottom { font-size: 12px; color: #999; }

/* ============ LEGAL / ABOUT PAGES ============ */
.doc {
  max-width: 780px;
  margin: 0 auto;
  padding: 40px 0 20px;
}
.doc-hero {
  padding: 40px 0 24px;
}
.doc-hero .eyebrow { margin-bottom: 12px; }
.doc-hero h1 {
  font-size: clamp(32px, 4.5vw, 48px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 16px;
}
.doc-hero p { color: var(--muted); font-size: 17px; max-width: 640px; }
.doc h2 {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 32px 0 12px;
}
.doc h3 { font-size: 17px; font-weight: 600; margin: 20px 0 8px; }
.doc p, .doc li {
  color: #333;
  font-size: 15px;
  line-height: 1.7;
}
.doc ul { padding-left: 20px; margin: 8px 0 16px; }
.doc li { margin-bottom: 6px; }
.doc a { color: var(--brand); }
.doc a:hover { text-decoration: underline; }
.doc-meta {
  font-size: 13px;
  color: var(--muted-2);
  padding: 12px 16px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  display: inline-block;
}

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
  will-change: opacity, transform;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
  .hero-inner { gap: 40px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: inline-flex; }
  .hero-inner { grid-template-columns: 1fr; gap: 32px; }
  .hero { padding: 40px 0 56px; }
  .hero-copy { text-align: left; }
  .grid-3, .grid-tall { grid-template-columns: repeat(2, 1fr); }
  .compare-grid { grid-template-columns: 1fr; }
  .experience { grid-template-columns: 1fr; gap: 24px; }
  .section { padding: 48px 0; }
}

@media (max-width: 640px) {
  :root { --gutter: 20px; }
  .grid-3, .grid-4, .grid-tall { grid-template-columns: 1fr; }
  .hero-cta .btn { flex: 1 1 auto; }
  .btn { min-height: 48px; padding: 14px 22px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .footer-links { flex-direction: column; gap: 12px; }
  .call-body { grid-template-columns: 1fr; }
  .call-emergency { padding: 18px; }
  .call-stats { gap: 6px; }
  .compare { padding: 32px 20px; }
  .compare-card { padding: 24px 20px; }
  .cta p { font-size: 15px; }
}

@media (max-width: 430px) {
  .hero-title { font-size: 40px; }
  .brand-name { font-size: 15px; }
  .pill { font-size: 12px; padding: 7px 12px; }
  .exp-card { padding: 16px; }
  .exp-icon { width: 36px; height: 36px; }
}