/* N-Tech Drafting & Design — card-branded site mockup
   Palette from business card: charcoal + copper/burnt orange */

:root {
  --bg: #0e0e0e;
  --bg-elevated: #161616;
  --bg-card: #1a1a1a;
  --bg-alt: #121212;
  --border: #2a2a2a;
  --border-copper: #C45A2C;
  --copper: #C45A2C;
  --copper-bright: #E07A3A;
  --copper-dim: #9a4522;
  --copper-glow: rgba(224, 122, 58, 0.22);
  --text: #f2f0ed;
  --text-muted: #b8b3ac;
  --text-dim: #8a8580;
  --white: #ffffff;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --radius: 6px;
  --radius-lg: 12px;
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
  --max: 1120px;
  --header-h: 72px;
  --copper-grad: linear-gradient(135deg, #C45A2C 0%, #E07A3A 55%, #f0a06a 100%);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 12px);
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text);
  background-color: var(--bg);
  background-image:
    url("assets/noise.png"),
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(196, 90, 44, 0.08), transparent 55%);
  background-repeat: repeat, no-repeat;
  background-size: 128px 128px, 100% 60vh;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--copper-bright); text-decoration-thickness: 1px; text-underline-offset: 0.18em; }
a:hover { color: #f0a06a; }
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--copper-bright);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -100px;
  background: var(--copper);
  color: var(--white);
  padding: 0.6rem 1rem;
  z-index: 1000;
  border-radius: var(--radius);
  font-weight: 600;
  text-decoration: none;
}
.skip-link:focus { top: 1rem; }

.container {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

/* ——— Header ——— */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(14, 14, 14, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand { text-decoration: none; display: flex; align-items: center; flex-shrink: 0; }
.brand-logo {
  height: 48px;
  width: auto;
  object-fit: contain;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.15rem 1.35rem;
}

.site-nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  padding: 0.35rem 0;
  transition: color 0.15s ease;
}
.site-nav a:hover { color: var(--text); }

.nav-cta {
  margin-left: 0.5rem;
  padding: 0.55rem 1rem !important;
  border: 1px solid var(--copper);
  border-radius: var(--radius);
  color: var(--copper-bright) !important;
  background: rgba(196, 90, 44, 0.08);
}
.nav-cta:hover {
  background: var(--copper-grad) !important;
  color: #1a0f0a !important;
  border-color: transparent;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 10px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
}
.nav-toggle-bar {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--copper-bright);
  border-radius: 1px;
  transition: transform 0.2s, opacity 0.2s;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ——— Hero ——— */
.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(3.5rem, 8vw, 6.5rem) 0 clamp(3rem, 6vw, 5rem);
  border-bottom: 1px solid var(--border);
}

.hero-honeycomb {
  position: absolute;
  inset: -8% -4% -8% -4%;
  width: auto;
  pointer-events: auto;
  z-index: 1;
  opacity: 1;
  /* Full-bleed; slight fade at very top only so header stays clean */
  mask-image: none;
  -webkit-mask-image: none;
}
.honeycomb-svg {
  width: 100%;
  height: 100%;
  min-height: 100%;
  display: block;
  overflow: visible;
  object-fit: cover;
}
.hex-cell {
  cursor: crosshair;
  transition: opacity 120ms ease, fill 120ms ease, stroke 120ms ease;
  pointer-events: auto;
}
.hex-cell.is-hot,
.hex-cell.is-warm {
  filter: drop-shadow(0 0 6px rgba(224, 122, 58, 0.55));
}
.hero-grid {
  position: relative;
  z-index: 3;
  max-width: 720px;
  pointer-events: auto;
}

.eyebrow {
  margin: 0 0 1rem;
  font-family: var(--mono);
  font-size: clamp(1.05rem, 2.2vw, 1.35rem);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--copper-bright);
}

.hero h1 {
  margin: 0 0 1.25rem;
  font-size: clamp(2rem, 4.5vw, 3.15rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: var(--white);
  max-width: 18ch;
}

.hero-lead {
  margin: 0 0 1.5rem;
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 48ch;
}
.hero-lead strong { color: var(--text); font-weight: 600; }

.scope-note {
  display: inline-flex;
  align-items: flex-start;
  gap: 0.55rem;
  margin: 0 0 2rem;
  padding: 0.75rem 1rem;
  background: rgba(196, 90, 44, 0.1);
  border: 1px solid rgba(196, 90, 44, 0.35);
  border-left: 3px solid var(--copper-bright);
  border-radius: var(--radius);
  font-size: 0.95rem;
  color: var(--text-muted);
}
.scope-note strong { color: var(--text); }
.scope-icon { color: var(--copper-bright); flex-shrink: 0; margin-top: 0.15rem; }

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

/* ——— Buttons ——— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.35rem;
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  text-decoration: none;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}
.btn-primary {
  background: var(--copper-grad);
  color: #1a0f0a;
  box-shadow: 0 4px 20px var(--copper-glow);
}
.btn-primary:hover {
  color: #1a0f0a;
  filter: brightness(1.08);
  box-shadow: 0 6px 28px rgba(224, 122, 58, 0.35);
}
.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn-ghost:hover {
  color: var(--copper-bright);
  border-color: var(--copper);
  background: rgba(196, 90, 44, 0.06);
}
.btn-lg { padding: 0.95rem 1.6rem; font-size: 1rem; }

/* ——— Tool chips ——— */
.tool-chips {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.tool-chips li {
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--copper-bright);
  padding: 0.4rem 0.7rem;
  border: 1px solid rgba(196, 90, 44, 0.55);
  border-radius: 2px;
  background: rgba(196, 90, 44, 0.06);
}

/* ——— Sections ——— */
.section {
  padding: clamp(3.5rem, 7vw, 5.5rem) 0;
  position: relative;
}
.section-alt {
  background: var(--bg-alt);
  border-block: 1px solid var(--border);
}

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 2.75rem;
}
.section-head-left {
  text-align: left;
  margin-left: 0;
  margin-right: 0;
  max-width: none;
}
.section-label {
  margin: 0 0 0.65rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--copper-bright);
}
.section-head h2,
.about-copy h2 {
  margin: 0 0 0.85rem;
  font-size: clamp(1.65rem, 3vw, 2.15rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--white);
}
.section-sub {
  margin: 0;
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* ——— Cards ——— */
.card-grid {
  display: grid;
  gap: 1.25rem;
}
.services-grid,
.samples-grid {
  grid-template-columns: repeat(4, 1fr);
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.4rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.card:hover {
  border-color: rgba(196, 90, 44, 0.45);
  box-shadow: 0 0 0 1px rgba(196, 90, 44, 0.12), var(--shadow);
}

.service-card h3 {
  margin: 0 0 0.6rem;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--white);
}
.service-card p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text-muted);
}
.card-icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  margin-bottom: 1rem;
  color: var(--copper-bright);
  border: 1px solid rgba(196, 90, 44, 0.4);
  border-radius: var(--radius);
  background: rgba(196, 90, 44, 0.08);
}

/* ——— Process ——— */
.process-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  counter-reset: none;
}
.process-step {
  position: relative;
  padding: 1.5rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  border-top: 2px solid var(--copper);
}
.process-step h3 {
  margin: 0 0 0.55rem;
  font-size: 1.1rem;
  color: var(--white);
}
.process-step p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text-muted);
}
.step-num {
  display: block;
  margin-bottom: 0.85rem;
  font-family: var(--mono);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--copper-bright);
  background: var(--copper-grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ——— Pilot ——— */
.pilot-layout {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 2rem 3rem;
  align-items: start;
}
.pilot-layout .section-head { margin-bottom: 0; }
.pilot-price {
  margin: 0;
  font-size: 1.15rem;
  color: var(--text-muted);
}
.price-accent {
  color: var(--copper-bright);
  font-weight: 700;
}
.pilot-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}
.pilot-list li {
  position: relative;
  padding-left: 1.75rem;
  color: var(--text-muted);
}
.pilot-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45rem;
  width: 0.65rem;
  height: 0.65rem;
  background: var(--copper-grad);
  border-radius: 1px;
  box-shadow: 0 0 8px var(--copper-glow);
}
.pilot-cta {
  grid-column: 1 / -1;
  margin-top: 0.5rem;
}

/* ——— Samples ——— */
.sample-card { padding: 0; overflow: hidden; }
.sample-thumb {
  background: #111;
  border-bottom: 1px solid var(--border);
}
.sample-thumb svg { width: 100%; height: auto; display: block; }
.sample-card .sample-tag,
.sample-card h3 {
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}
.sample-tag {
  margin: 1rem 0 0.35rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--copper-bright);
}
.sample-card h3 {
  margin: 0 0 1.25rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
}

/* ——— About ——— */
.about-layout {
  display: grid;
  grid-template-columns: minmax(220px, 320px) 1fr;
  gap: 2.5rem 3.5rem;
  align-items: center;
}
.about-photo-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  padding: 3px;
  background: var(--copper-grad);
  box-shadow: 0 0 40px var(--copper-glow);
}
.about-photo {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  object-position: center top;
  border-radius: calc(var(--radius-lg) - 2px);
  display: block;
  background: var(--bg-elevated);
}
.about-copy p {
  margin: 0 0 1.5rem;
  color: var(--text-muted);
  max-width: 58ch;
}
.tool-chips-about li { font-size: 0.72rem; }

/* ——— CTA ——— */
.cta-section {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(196, 90, 44, 0.07), transparent 40%),
    var(--bg-elevated);
  border-top: 1px solid rgba(196, 90, 44, 0.25);
}
.cta-honeycomb {
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='56' height='48.5' viewBox='0 0 56 48.5'%3E%3Cpath d='M28 1 L50 13.25 L50 36.25 L28 48.5 L6 36.25 L6 13.25 Z' fill='none' stroke='%23C45A2C' stroke-opacity='0.12' stroke-width='1'/%3E%3C/svg%3E");
  background-size: 56px 48.5px;
  opacity: 0.7;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black, transparent);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black, transparent);
  pointer-events: none;
}
.cta-inner { position: relative; z-index: 1; }
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.85rem;
  margin-bottom: 2.5rem;
}
.contact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin: 0;
}
.contact-item {
  padding: 1.15rem 1.2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  border-bottom: 2px solid rgba(196, 90, 44, 0.5);
}
.contact-item dt {
  margin: 0 0 0.35rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--copper-bright);
}
.contact-item dd {
  margin: 0;
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--white);
}
.contact-item a {
  color: var(--white);
  text-decoration: none;
}
.contact-item a:hover { color: var(--copper-bright); }

/* ——— Footer ——— */
.site-footer {
  padding: 2rem 0;
  border-top: 1px solid var(--border);
  background: #0a0a0a;
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.footer-logo {
  height: 40px;
  width: auto;
  opacity: 0.9;
}
.footer-brand p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-dim);
}
.footer-meta {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.25rem;
  font-size: 0.8rem;
  color: var(--text-dim);
}
.mockup-badge {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--copper-bright);
  border: 1px solid rgba(196, 90, 44, 0.45);
  padding: 0.3rem 0.55rem;
  border-radius: 2px;
}

/* ——— Responsive ——— */
@media (max-width: 1024px) {
  .services-grid,
  .samples-grid,
  .process-steps {
    grid-template-columns: repeat(2, 1fr);
  }
  .contact-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pilot-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root { --header-h: 64px; }

  .nav-toggle { display: flex; }

  .site-nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.75rem 1.25rem 1.25rem;
    background: rgba(14, 14, 14, 0.97);
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.22s ease, opacity 0.22s ease, visibility 0.22s;
  }
  .site-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  .site-nav a {
    padding: 0.85rem 0.25rem;
    border-bottom: 1px solid var(--border);
    font-size: 1rem;
  }
  .nav-cta {
    margin: 0.85rem 0 0 !important;
    text-align: center;
    justify-content: center;
    border-bottom: none !important;
  }

  .brand-logo { height: 40px; }

  .hero-honeycomb {
    inset: -8% -4% -8% -4%;
    width: auto;
    opacity: 0.9;
  }
  .hero h1 { max-width: none; }

  .about-layout {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .about-photo-wrap {
    max-width: 260px;
    margin-inline: auto;
  }
  .about-copy .section-label { text-align: center; }
  .tool-chips-about { justify-content: center; }
  .about-copy p { margin-inline: auto; }

  .section-head-left { text-align: center; }
  .pilot-list { text-align: left; }
  .pilot-cta { text-align: center; }
}

@media (max-width: 520px) {
  .services-grid,
  .samples-grid,
  .process-steps,
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}