/* ============================================================
   McKenzie-Nall LLC — corporate site
   Design: dark ink canvas, aurora gradients, per-brand accents
   ============================================================ */

:root {
  --ink-0: #070b16;
  --ink-1: #0b111f;
  --ink-2: #101828;
  --ink-3: #18223a;
  --line: rgba(148, 163, 184, 0.14);
  --line-strong: rgba(148, 163, 184, 0.28);
  --text-1: #eef2f8;
  --text-2: #b6c2d6;
  --text-3: #7d8aa3;
  --brand-a: #7dd3fc;
  --brand-b: #4ade80;
  --grad: linear-gradient(100deg, var(--brand-a), var(--brand-b));
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 24px 60px -24px rgba(2, 6, 18, 0.8);
  --font-display: "Space Grotesk", "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --container: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.65;
  color: var(--text-2);
  background: var(--ink-0);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Aurora backdrop */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(52rem 34rem at 12% -8%, rgba(125, 211, 252, 0.14), transparent 60%),
    radial-gradient(46rem 32rem at 96% 4%, rgba(74, 222, 128, 0.10), transparent 60%),
    radial-gradient(60rem 40rem at 50% 118%, rgba(99, 102, 241, 0.12), transparent 65%),
    var(--ink-0);
}

/* Subtle grid texture */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.035) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, black 30%, transparent 75%);
  pointer-events: none;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--text-1);
  line-height: 1.12;
  letter-spacing: -0.015em;
  margin: 0 0 0.6em;
  font-weight: 600;
}

p { margin: 0 0 1.1em; }
a { color: var(--brand-a); text-decoration: none; }
a:hover { color: #a5e4ff; }

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

.container {
  width: min(var(--container), calc(100% - 2.75rem));
  margin-inline: auto;
}

.section { padding: clamp(4rem, 9vw, 7rem) 0; }

.section-head { max-width: 720px; margin-bottom: clamp(2.2rem, 5vw, 3.5rem); }

.section-head--center { margin-inline: auto; text-align: center; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--brand-a);
  margin-bottom: 1.1rem;
}

.eyebrow::before {
  content: "";
  width: 26px;
  height: 1.5px;
  background: var(--grad);
  border-radius: 2px;
}

.section-head--center .eyebrow::after {
  content: "";
  width: 26px;
  height: 1.5px;
  background: var(--grad);
  border-radius: 2px;
}

h1 { font-size: clamp(2.6rem, 6vw, 4.4rem); font-weight: 700; }
h2 { font-size: clamp(1.9rem, 3.6vw, 2.7rem); }
h3 { font-size: 1.28rem; }

.lead { font-size: clamp(1.05rem, 1.6vw, 1.22rem); color: var(--text-2); }

.grad-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ============ Header / nav ============ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(7, 11, 22, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  height: 74px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  color: var(--text-1);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.06rem;
  letter-spacing: 0.01em;
}

.logo:hover { color: var(--text-1); }

.logo svg { width: 38px; height: 38px; flex: none; }

.logo small {
  display: block;
  font-size: 0.66rem;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--text-3);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--text-2);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  transition: color 0.18s ease, background 0.18s ease;
}

.nav-links a:hover { color: var(--text-1); background: rgba(148, 163, 184, 0.09); }
.nav-links a[aria-current="page"] { color: var(--text-1); background: rgba(125, 211, 252, 0.10); }

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  color: var(--text-1);
  width: 44px;
  height: 44px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

.nav-toggle svg { width: 20px; height: 20px; }

/* ============ Buttons ============ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.98rem;
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.16s ease, box-shadow 0.16s ease, background 0.16s ease, border-color 0.16s ease;
}

.btn:active { transform: translateY(1px); }

.btn--primary {
  background: var(--grad);
  color: #06121f;
  box-shadow: 0 14px 34px -14px rgba(125, 211, 252, 0.55);
}

.btn--primary:hover { color: #06121f; transform: translateY(-2px); box-shadow: 0 18px 40px -14px rgba(74, 222, 128, 0.5); }

.btn--ghost {
  border-color: var(--line-strong);
  color: var(--text-1);
  background: rgba(148, 163, 184, 0.05);
}

.btn--ghost:hover { color: var(--text-1); border-color: rgba(125, 211, 252, 0.5); background: rgba(125, 211, 252, 0.08); }

.btn .arrow { transition: transform 0.16s ease; }
.btn:hover .arrow { transform: translateX(3px); }

/* ============ Hero ============ */

.hero { padding: clamp(4.5rem, 10vw, 8.5rem) 0 clamp(3.5rem, 7vw, 6rem); position: relative; }

.hero-inner { max-width: 880px; }

.hero h1 { margin-bottom: 1.4rem; }

.hero .lead { max-width: 640px; margin-bottom: 2.4rem; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-bottom: 3.2rem; }

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem 2.6rem;
  padding-top: 1.6rem;
  border-top: 1px solid var(--line);
  color: var(--text-3);
  font-size: 0.9rem;
}

.hero-meta strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--text-1);
  font-weight: 600;
  line-height: 1.2;
}

/* ============ Stats band ============ */

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.stat {
  background: var(--ink-1);
  padding: 1.7rem 1.6rem;
}

.stat b {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  font-weight: 700;
  color: var(--text-1);
  line-height: 1.15;
}

.stat span { font-size: 0.86rem; color: var(--text-3); }

/* ============ Brand cards ============ */

.grid-brands {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
}

.brand-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.7rem 1.7rem 1.5rem;
  background: linear-gradient(180deg, rgba(24, 34, 58, 0.55), rgba(11, 17, 31, 0.75));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  overflow: hidden;
}

.brand-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2.5px;
  background: linear-gradient(90deg, var(--b-accent), transparent 70%);
  opacity: 0.85;
}

.brand-card:hover {
  transform: translateY(-5px);
  border-color: color-mix(in srgb, var(--b-accent) 45%, transparent);
  box-shadow: 0 26px 54px -26px color-mix(in srgb, var(--b-accent) 32%, rgba(2, 6, 18, 0.9));
}

.brand-top {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand-tile {
  --tile: var(--b-accent);
  flex: none;
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border-radius: 15px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.12rem;
  letter-spacing: 0.02em;
  color: #0a1020;
  background: linear-gradient(140deg, color-mix(in srgb, var(--tile) 92%, white), color-mix(in srgb, var(--tile) 74%, #06101d));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.35), 0 10px 24px -12px color-mix(in srgb, var(--tile) 60%, transparent);
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.18rem;
  font-weight: 600;
  color: var(--text-1);
  line-height: 1.25;
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex-wrap: wrap;
}

.brand-domain {
  font-size: 0.82rem;
  color: var(--text-3);
  font-family: ui-monospace, "SF Mono", "Cascadia Code", Menlo, Consolas, monospace;
}

.tag-new {
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #052014;
  background: var(--b-accent, #4ade80);
  padding: 0.22rem 0.55rem;
  border-radius: 999px;
  line-height: 1.1;
}

.brand-blurb { font-size: 0.95rem; margin: 0; flex: 1; }

.brand-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 0.3rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.42rem;
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--b-accent);
  border: 1px solid color-mix(in srgb, var(--b-accent) 38%, transparent);
  background: color-mix(in srgb, var(--b-accent) 10%, transparent);
  padding: 0.28rem 0.7rem;
  border-radius: 999px;
  white-space: nowrap;
}

.pill svg { width: 13px; height: 13px; }

.visit {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--text-2);
  transition: color 0.16s ease, gap 0.16s ease;
}

.brand-card:hover .visit { color: var(--b-accent); gap: 0.62rem; }

.visit svg { width: 14px; height: 14px; }

/* Category icon next to pill */
.cat-ico { width: 13px; height: 13px; }

/* ============ Filters ============ */

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-bottom: 2.2rem;
}

.filter-btn {
  font-family: var(--font-display);
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--text-2);
  background: rgba(148, 163, 184, 0.06);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.5rem 1.05rem;
  cursor: pointer;
  transition: all 0.16s ease;
}

.filter-btn:hover { color: var(--text-1); border-color: var(--line-strong); }

.filter-btn[aria-pressed="true"] {
  color: #06121f;
  background: var(--grad);
  border-color: transparent;
}

.brand-card.is-hidden { display: none; }

/* ============ Feature / spotlight ============ */

.spotlight {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  padding: clamp(1.8rem, 4vw, 3rem);
  background: linear-gradient(160deg, rgba(24, 34, 58, 0.7), rgba(11, 17, 31, 0.9));
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 6px);
  position: relative;
  overflow: hidden;
}

.spotlight::before {
  content: "";
  position: absolute;
  width: 420px;
  height: 420px;
  top: -180px;
  right: -120px;
  background: radial-gradient(closest-side, rgba(74, 222, 128, 0.16), transparent);
  pointer-events: none;
}

.spotlight h2 { margin-bottom: 0.9rem; }

.spotlight .lead { margin-bottom: 1.6rem; }

.checklist { list-style: none; margin: 0 0 1.8rem; padding: 0; display: grid; gap: 0.7rem; }

.checklist li { display: flex; gap: 0.7rem; align-items: flex-start; font-size: 0.97rem; }

.checklist svg {
  flex: none;
  width: 19px;
  height: 19px;
  margin-top: 0.18rem;
  color: var(--brand-b);
}

/* PCB art panel */
.pcb-panel {
  position: relative;
  border-radius: var(--radius);
  border: 1px solid rgba(74, 222, 128, 0.22);
  background:
    radial-gradient(120% 90% at 80% 10%, rgba(74, 222, 128, 0.10), transparent 55%),
    linear-gradient(160deg, #0d1f16, #091510);
  aspect-ratio: 10 / 8.6;
  overflow: hidden;
}

.pcb-panel svg { position: absolute; inset: 0; width: 100%; height: 100%; }

.pcb-chip {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  border: 1.5px solid rgba(74, 222, 128, 0.55);
  color: #b8f5cf;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: clamp(0.8rem, 2vw, 1rem);
  letter-spacing: 0.18em;
  padding: 0.9rem 1.4rem;
  border-radius: 8px;
  background: rgba(6, 22, 14, 0.82);
  box-shadow: 0 0 0 6px rgba(74, 222, 128, 0.07), 0 18px 40px -18px rgba(74, 222, 128, 0.4);
  z-index: 2;
}

.pcb-badge {
  position: absolute;
  z-index: 2;
  right: 1.1rem;
  bottom: 1rem;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.72rem;
  color: rgba(184, 245, 207, 0.8);
  border: 1px solid rgba(74, 222, 128, 0.3);
  border-radius: 999px;
  padding: 0.3rem 0.75rem;
  background: rgba(6, 22, 14, 0.75);
}

/* ============ Value / pillars ============ */

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
}

.card {
  padding: 1.8rem 1.7rem;
  background: linear-gradient(180deg, rgba(24, 34, 58, 0.5), rgba(11, 17, 31, 0.7));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.card:hover { border-color: var(--line-strong); transform: translateY(-4px); }

.card-ico {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 13px;
  color: var(--brand-a);
  background: rgba(125, 211, 252, 0.10);
  border: 1px solid rgba(125, 211, 252, 0.25);
  margin-bottom: 1.15rem;
}

.card-ico svg { width: 22px; height: 22px; }

.card p:last-child { margin-bottom: 0; }

/* ============ Timeline (about) ============ */

.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
  display: grid;
  gap: 1.4rem;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 21px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--brand-a), var(--brand-b), transparent);
  opacity: 0.35;
}

.timeline li {
  position: relative;
  padding-left: 60px;
}

.timeline .dot {
  position: absolute;
  left: 8px;
  top: 6px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid var(--brand-a);
  background: var(--ink-1);
  display: grid;
  place-items: center;
  color: var(--brand-a);
}

.timeline .dot svg { width: 13px; height: 13px; }

.timeline h3 { margin-bottom: 0.3rem; font-size: 1.12rem; }
.timeline p { margin-bottom: 0; font-size: 0.95rem; }

/* ============ Contact ============ */

.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.email-card {
  padding: 2rem;
  background: linear-gradient(180deg, rgba(24, 34, 58, 0.55), rgba(11, 17, 31, 0.8));
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.email-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 1rem 1.2rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: rgba(7, 11, 22, 0.6);
  margin: 1.2rem 0 0.4rem;
}

.email-line a {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 1.02rem;
  color: var(--text-1);
  word-break: break-all;
}

.email-line a:hover { color: var(--brand-a); }

.copy-btn {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-2);
  background: rgba(148, 163, 184, 0.08);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 0.45rem 0.95rem;
  cursor: pointer;
  transition: all 0.15s ease;
  flex: none;
}

.copy-btn:hover { color: var(--text-1); border-color: rgba(125, 211, 252, 0.5); }

/* ============ CTA band ============ */

.cta-band {
  position: relative;
  text-align: center;
  padding: clamp(3rem, 7vw, 5rem) clamp(1.5rem, 5vw, 4rem);
  border-radius: calc(var(--radius) + 8px);
  border: 1px solid rgba(125, 211, 252, 0.22);
  background:
    radial-gradient(80% 120% at 50% -20%, rgba(125, 211, 252, 0.14), transparent 60%),
    radial-gradient(60% 100% at 80% 120%, rgba(74, 222, 128, 0.10), transparent 60%),
    var(--ink-1);
  overflow: hidden;
}

.cta-band h2 { margin-bottom: 0.8rem; }

.cta-band .lead { max-width: 560px; margin-inline: auto; }

.cta-band .btn { margin-top: 1.4rem; }

/* ============ Footer ============ */

.site-footer {
  border-top: 1px solid var(--line);
  padding: 3.4rem 0 2.6rem;
  margin-top: 2rem;
  background: rgba(7, 11, 22, 0.55);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2.4rem;
  margin-bottom: 2.6rem;
}

.footer-grid p { font-size: 0.92rem; color: var(--text-3); max-width: 34ch; }

.footer-grid h4 {
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-3);
  font-weight: 600;
  margin-bottom: 1rem;
}

.footer-links { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.5rem; }

.footer-links a {
  color: var(--text-2);
  font-size: 0.92rem;
  transition: color 0.15s ease;
}

.footer-links a:hover { color: var(--brand-a); }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  padding-top: 1.6rem;
  border-top: 1px solid var(--line);
  font-size: 0.84rem;
  color: var(--text-3);
}

/* ============ Reveal on scroll ============ */

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s cubic-bezier(0.2, 0.65, 0.3, 1), transform 0.7s cubic-bezier(0.2, 0.65, 0.3, 1);
}

.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  * { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}

/* ============ Responsive ============ */

@media (max-width: 1020px) {
  .grid-brands { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .spotlight, .contact-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
  .nav-toggle { display: inline-flex; }
  .nav-links {
    position: absolute;
    top: 74px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0.2rem;
    background: rgba(7, 11, 22, 0.97);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--line);
    padding: 0.9rem 1.4rem 1.3rem;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 0.75rem 1rem; border-radius: 10px; }
  .nav .btn { display: none; }
}

@media (max-width: 640px) {
  body { font-size: 15.5px; }
  .grid-brands, .grid-3 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-actions .btn { width: 100%; }
}