/* ============================================
   Up North Systems — Design Tokens
   ============================================ */
:root {
  /* Color */
  --bg: #0a1220;
  --surface: #101b2d;
  --surface-2: #16233a;
  --line: #223049;
  --text: #edf2f7;
  --muted: #8fa3bc;
  --muted-2: #62748d;
  --teal: #4fd1c5;
  --blue: #5b8def;
  --focus: #7fd4e0;
  --danger: #ef6b6b;

  /* Type */
  --font-display: "Space Grotesk", "Segoe UI", sans-serif;
  --font-body: "Inter", "Segoe UI", sans-serif;

  /* Layout */
  --container: 1120px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

/* ============================================
   Reset & base
   ============================================ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; line-height: 1.12; margin: 0; letter-spacing: -0.01em; }
p { margin: 0; }
button { font-family: inherit; cursor: pointer; }

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

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

.eyebrow {
  font-size: 0.8125rem;
  color: var(--teal);
  font-weight: 600;
}

section {
  padding: clamp(4rem, 9vw, 7rem) 0;
  border-top: 1px solid var(--line);
}
section:first-of-type { border-top: none; }

.section-head {
  max-width: 42rem;
  margin-bottom: clamp(2.5rem, 5vw, 3.5rem);
}
.section-head h2 {
  font-size: clamp(1.75rem, 3vw, 2.375rem);
  margin-bottom: 0.75rem;
}
.section-head p { color: var(--muted); font-size: 1.0625rem; max-width: 38rem; }

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: var(--teal);
  color: #06171a;
}
.btn-primary:hover { background: #64ddd2; }
.btn-ghost {
  border-color: var(--line);
  color: var(--text);
  background: transparent;
}
.btn-ghost:hover { border-color: var(--muted-2); background: var(--surface); }

/* ============================================
   Header / Nav
   ============================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 18, 32, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem var(--gutter);
  max-width: var(--container);
  margin: 0 auto;
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--text);
}
.logo .mark { width: 28px; height: 28px; flex-shrink: 0; }
.logo .mark .needle { transform-origin: 14px 14px; animation: settle 1.4s cubic-bezier(.2,.8,.2,1) 0.2s both; }
@keyframes settle { from { transform: rotate(-40deg); opacity: 0; } to { transform: rotate(0deg); opacity: 1; } }

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}
.nav-links a {
  font-size: 0.9375rem;
  color: var(--muted);
  transition: color 0.15s ease;
  position: relative;
}
.nav-links a:hover { color: var(--text); }
.nav-links a.active:not(.btn) { color: var(--text); }
.nav-links a.active:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -6px;
  height: 2px;
  background: var(--teal);
}
@media (max-width: 860px) {
  .nav-links a.active::after { display: none; }
  .nav-links a.active { border-left: 2px solid var(--teal); padding-left: calc(var(--gutter) - 2px); }
}
.nav-links .btn { padding: 0.6rem 1.1rem; font-size: 0.875rem; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.6rem;
  color: var(--text);
}
.nav-toggle svg { width: 20px; height: 20px; }

@media (max-width: 860px) {
  .nav-links {
    position: fixed;
    inset: 65px 0 0 0;
    height: 0;
    overflow: hidden;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--bg);
    transition: height 0.25s ease;
  }
  .nav-links.open { height: calc(100vh - 65px); }
  .nav-links a, .nav-links .btn { width: 100%; padding: 1.1rem var(--gutter); border-bottom: 1px solid var(--line); border-radius: 0; }
  .nav-links .btn { margin-top: 0.5rem; }
  .nav-toggle { display: inline-flex; }
}

/* ============================================
   Hero
   ============================================ */
.hero {
  position: relative;
  overflow: hidden;
  padding-top: clamp(3.5rem, 8vw, 6rem);
  padding-bottom: clamp(3.5rem, 8vw, 6rem);
  border-top: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
.hero-copy { opacity: 0; transform: translateY(14px); animation: rise 0.7s cubic-bezier(.2,.8,.2,1) 0.1s forwards; }
@keyframes rise { to { opacity: 1; transform: translateY(0); } }

.hero h1 {
  font-size: clamp(2.25rem, 5vw, 3.4rem);
  margin-bottom: 1.25rem;
}
.hero .lede {
  font-size: 1.1875rem;
  color: var(--muted);
  max-width: 34rem;
  margin-bottom: 2rem;
}
.hero-ctas { display: flex; gap: 0.9rem; flex-wrap: wrap; margin-bottom: 2.5rem; }
.hero-meta {
  display: flex;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  flex-wrap: wrap;
  border-top: 1px solid var(--line);
  padding-top: 1.5rem;
}
.hero-meta div strong { display: block; font-family: var(--font-display); font-size: 1.375rem; }
.hero-meta div span { color: var(--muted-2); font-size: 0.8125rem; }

.hero-art { position: relative; aspect-ratio: 1 / 1; }
.hero-art svg { width: 100%; height: 100%; opacity: 0; animation: fadein 1.2s ease 0.4s forwards; }
@keyframes fadein { to { opacity: 1; } }

/* ============================================
   Page hero (interior pages)
   ============================================ */
.page-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(3rem, 7vw, 5rem) 0 clamp(2.5rem, 5vw, 3.5rem);
  border-top: none;
}
.breadcrumb {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  font-size: 0.8125rem;
  color: var(--muted-2);
  margin-bottom: 1.5rem;
}
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--teal); }
.page-hero h1 {
  font-size: clamp(2rem, 4.2vw, 2.9rem);
  max-width: 34rem;
  margin-bottom: 1.1rem;
}
.page-hero .lede {
  color: var(--muted);
  font-size: 1.125rem;
  max-width: 36rem;
}
.page-hero-line {
  position: absolute;
  right: -60px;
  top: -40px;
  width: 460px;
  opacity: 0.5;
  z-index: -1;
}
@media (max-width: 760px) { .page-hero-line { display: none; } }

/* ============================================
   Feature grid (detailed service items)
   ============================================ */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.feature-item {
  background: var(--surface);
  padding: 1.75rem;
}
.feature-item .icon {
  width: 30px; height: 30px;
  color: var(--teal);
  margin-bottom: 1rem;
}
.feature-item h3 { font-size: 1.0625rem; margin-bottom: 0.5rem; }
.feature-item p { color: var(--muted); font-size: 0.9375rem; }

/* ============================================
   CTA band
   ============================================ */
.cta-band {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--surface) 0%, var(--surface-2) 100%);
  padding: clamp(2rem, 5vw, 3rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}
.cta-band h2 { font-size: clamp(1.375rem, 2.6vw, 1.75rem); margin-bottom: 0.5rem; }
.cta-band p { color: var(--muted); max-width: 30rem; }
.cta-band-actions { display: flex; gap: 0.9rem; flex-wrap: wrap; }

/* ============================================
   FAQ
   ============================================ */
.faq-list { display: flex; flex-direction: column; gap: 0.75rem; max-width: 44rem; }
.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  padding: 0.25rem 1.25rem;
}
.faq-item summary {
  cursor: pointer;
  padding: 1.1rem 0;
  font-weight: 600;
  font-size: 0.9875rem;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .chev { width: 16px; height: 16px; color: var(--muted); flex-shrink: 0; transition: transform 0.2s ease; }
.faq-item[open] summary .chev { transform: rotate(180deg); }
.faq-item p { color: var(--muted); font-size: 0.9375rem; padding-bottom: 1.1rem; margin-top: -0.4rem; }

/* ============================================
   Services (index teaser + full pages)
   ============================================ */
.services-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
}
@media (min-width: 760px) {
  .services-split { grid-template-columns: 1fr 1fr; }
}
.service-panel {
  background: var(--surface);
  padding: clamp(1.75rem, 4vw, 2.75rem);
  position: relative;
}
.service-panel .tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--bg);
  background: var(--teal);
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  margin-bottom: 1.25rem;
}
.service-panel.web .tag { background: var(--blue); }
.service-panel .icon { width: 40px; height: 40px; color: var(--teal); margin-bottom: 1.25rem; }
.service-panel.web .icon { color: var(--blue); }
.service-panel h3 { font-size: 1.375rem; margin-bottom: 0.6rem; }
.service-panel > p { color: var(--muted); margin-bottom: 1.5rem; }
.service-list { display: flex; flex-direction: column; gap: 0.85rem; }
.service-list li {
  display: flex;
  gap: 0.7rem;
  align-items: flex-start;
  font-size: 0.95rem;
  color: var(--text);
}
.service-list li svg { width: 16px; height: 16px; margin-top: 0.2rem; flex-shrink: 0; color: var(--teal); }
.service-panel.web .service-list li svg { color: var(--blue); }
.service-list li span { color: var(--muted); }
.service-list li strong { display: block; }
.panel-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 1.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--teal);
}
.service-panel.web .panel-link { color: var(--blue); }
.panel-link svg { width: 15px; height: 15px; transition: transform 0.15s ease; }
.panel-link:hover svg { transform: translateX(3px); }

/* ============================================
   Process
   ============================================ */
.process {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: clamp(1.5rem, 4vw, 2.5rem);
}
.process-step { border-left: 2px solid var(--line); padding-left: 1.25rem; }
.process-step .bearing { font-family: var(--font-display); font-size: 0.8125rem; color: var(--teal); margin-bottom: 0.6rem; }
.process-step h3 { font-size: 1.0625rem; margin-bottom: 0.5rem; }
.process-step p { color: var(--muted); font-size: 0.9375rem; }

/* ============================================
   About
   ============================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2rem, 5vw, 3rem);
}
@media (min-width: 860px) {
  .about-grid { grid-template-columns: 1.1fr 0.9fr; }
}
.about-copy p { color: var(--muted); margin-bottom: 1.1rem; font-size: 1.0625rem; }
.about-copy p:last-child { margin-bottom: 0; }
.about-list {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}
.about-list li { display: flex; gap: 0.75rem; font-size: 0.9375rem; }
.about-list li svg { width: 18px; height: 18px; color: var(--teal); flex-shrink: 0; margin-top: 0.15rem; }

/* ============================================
   Contact
   ============================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2rem, 5vw, 3.5rem);
}
@media (min-width: 860px) {
  .contact-grid { grid-template-columns: 0.85fr 1.15fr; }
}
.contact-info h2 { font-size: clamp(1.75rem, 3vw, 2.25rem); margin-bottom: 0.9rem; }
.contact-info p { color: var(--muted); margin-bottom: 1.75rem; max-width: 28rem; }
.contact-channels { display: flex; flex-direction: column; gap: 1rem; }
.contact-channels a, .contact-channels div {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--text);
}
.contact-channels svg { width: 18px; height: 18px; color: var(--teal); }
.contact-channels span.label { display: block; color: var(--muted-2); font-size: 0.75rem; }

form.contact-form {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  display: grid;
  gap: 1.1rem;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
@media (max-width: 520px) { .form-row { grid-template-columns: 1fr; } }
.field { display: flex; flex-direction: column; gap: 0.4rem; }
.field label { font-size: 0.8125rem; color: var(--muted); }
.field input, .field select, .field textarea {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 0.7rem 0.85rem;
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
  transition: border-color 0.15s ease;
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--teal); }
.field textarea { resize: vertical; min-height: 110px; }
.form-note { font-size: 0.8125rem; color: var(--muted-2); }
.hp-field { position: absolute; left: -9999px; }
.form-status { font-size: 0.875rem; min-height: 1.2em; }
.form-status.ok { color: var(--teal); }
.form-status.err { color: var(--danger); }

/* ============================================
   Footer
   ============================================ */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 2.5rem 0 1.75rem;
}
.footer-top {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 2rem;
  margin-bottom: 2rem;
}
.footer-brand { display: flex; align-items: center; gap: 0.6rem; font-family: var(--font-display); font-weight: 600; }
.footer-brand .mark { width: 22px; height: 22px; }
.footer-links { display: flex; gap: 1.75rem; flex-wrap: wrap; }
.footer-links a { color: var(--muted); font-size: 0.9rem; }
.footer-links a:hover { color: var(--text); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  font-size: 0.8125rem;
  color: var(--muted-2);
}
.footer-bottom .credit a { color: var(--muted); }
.footer-bottom .credit a:hover { color: var(--teal); }

@media (max-width: 640px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-art { order: -1; max-width: 260px; margin: 0 auto; }
}