/* ==========================================================================
   PrintLine Diagnostics — Design System
   Palette:
     --ink        #16233D  (deep ink navy — headers, nav, primary text)
     --paper      #EDEEE8  (cool paper background)
     --paper-2    #E3E4DC  (paper shadow / card wells)
     --slate      #4A5262  (secondary text)
     --ready      #2F8F5B  (status green — "resolved / ok")
     --amber      #E0A93A  (status amber — "attention / in progress")
     --rule       #C9CBC0  (hairline rule colour)
   Type:
     display: 'Space Grotesk' (technical, geometric — panel/console feel)
     body:    'IBM Plex Sans'
     mono:    'IBM Plex Mono' (status codes, diagnostic readouts)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=IBM+Plex+Sans:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
  --ink: #16233D;
  --ink-70: #16233DB3;
  --paper: #EDEEE8;
  --paper-2: #E3E4DC;
  --card: #F7F7F3;
  --slate: #4A5262;
  --ready: #2F8F5B;
  --amber: #C98A1F;
  --amber-bg: #E0A93A;
  --rule: #C9CBC0;
  --white: #FFFFFF;

  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'IBM Plex Sans', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  --container: 1180px;
  --radius: 3px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

body {
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.5;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; text-decoration: none; }

ul { list-style: none; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.15;
}

h1 { font-size: clamp(2.4rem, 4.4vw, 3.6rem); font-weight: 700; }
h2 { font-size: clamp(1.7rem, 2.6vw, 2.3rem); }
h3 { font-size: 1.15rem; }

p { color: var(--slate); }

.mono {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

/* ---------- Status tag / eyebrow ---------- */
.status-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink);
  background: var(--card);
  border: 1px solid var(--rule);
  padding: 6px 12px 6px 10px;
  border-radius: 999px;
}
.status-tag .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--ready);
  box-shadow: 0 0 0 3px rgba(47,143,91,0.15);
  animation: pulse-dot 2.2s ease-in-out infinite;
}
.status-tag.amber .dot { background: var(--amber-bg); box-shadow: 0 0 0 3px rgba(224,169,58,0.18); }

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

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 13px 24px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}
.btn:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }

.btn-primary {
  background: var(--ink);
  color: var(--paper);
}
.btn-primary:hover { background: #0E1830; transform: translateY(-1px); }

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}
.btn-ghost:hover { background: var(--ink); color: var(--paper); }

.btn-arrow { transition: transform 0.15s ease; }
.btn:hover .btn-arrow { transform: translateX(3px); }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--paper);
  border-bottom: 1px solid var(--rule);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--ink);
}
.brand-mark {
  width: 30px; height: 30px;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-links a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink);
  position: relative;
  padding: 4px 0;
}
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; right: 100%;
  bottom: 0;
  height: 2px;
  background: var(--ink);
  transition: right 0.2s ease;
}
.nav-links a:hover::after,
.nav-links a.active::after { right: 0; }
.nav-links a.active { font-weight: 600; }

.header-right { display: flex; align-items: center; gap: 20px; }
.header-phone {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span { width: 22px; height: 2px; background: var(--ink); display: block; }

/* ---------- Hero ---------- */
.hero {
  padding: 72px 0 96px;
  border-bottom: 1px solid var(--rule);
}
.hero .container {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 64px;
  align-items: center;
}
.hero-eyebrow-row { margin-bottom: 22px; }
.hero h1 { margin: 18px 0 20px; }
.hero h1 em {
  font-style: normal;
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--amber-bg);
  text-decoration-thickness: 4px;
  text-underline-offset: 6px;
}
.hero-sub {
  font-size: 1.08rem;
  max-width: 46ch;
  margin-bottom: 34px;
}
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 30px; }
.hero-trust {
  display: flex;
  gap: 26px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--slate);
  flex-wrap: wrap;
}
.hero-trust span { display: flex; align-items: center; gap: 7px; }
.hero-trust svg { width: 14px; height: 14px; flex-shrink: 0; }

/* ---------- Diagnostic console (signature element) ---------- */
.console {
  background: var(--ink);
  border-radius: 6px;
  padding: 22px 22px 18px;
  box-shadow: 0 30px 60px -20px rgba(22,35,61,0.45);
  position: relative;
}
.console-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.console-dots { display: flex; gap: 6px; }
.console-dots span { width: 9px; height: 9px; border-radius: 50%; background: #3A4966; }
.console-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: #9AA6BC;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.console-screen {
  background: #101B30;
  border-radius: 4px;
  padding: 18px 18px 8px;
  height: 268px;
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 0.83rem;
  color: #B9C2D6;
}
.console-line {
  display: flex;
  gap: 10px;
  margin-bottom: 11px;
  opacity: 0;
  animation: line-in 0.4s ease forwards;
}
.console-line .prompt { color: #5B7FE0; flex-shrink: 0; }
.console-line .ok { color: var(--ready); }
.console-line .warn { color: var(--amber-bg); }
.console-line .caret {
  display: inline-block;
  width: 7px; height: 14px;
  background: #B9C2D6;
  animation: caret-blink 1s step-end infinite;
  vertical-align: middle;
}
@keyframes line-in { to { opacity: 1; } }
@keyframes caret-blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

.console-status-strip {
  display: flex;
  justify-content: space-between;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid #263452;
}
.console-status-strip .item {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: #8892A6;
  display: flex;
  align-items: center;
  gap: 6px;
}
.console-status-strip .led { width: 6px; height: 6px; border-radius: 50%; background: var(--ready); }

/* ---------- Section shell ---------- */
.section { padding: 96px 0; }
.section-border-top { border-top: 1px solid var(--rule); }
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 40px;
  margin-bottom: 52px;
}
.section-head .status-tag { margin-bottom: 16px; }
.section-head p { max-width: 40ch; }
.section-head-text { max-width: 620px; }

/* ---------- Services grid ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
.service-card {
  background: var(--card);
  padding: 30px 26px 34px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  transition: background 0.2s ease;
}
.service-card:hover { background: var(--white); }
.service-code {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--amber);
  letter-spacing: 0.05em;
}
.service-icon { width: 34px; height: 34px; color: var(--ink); }
.service-card h3 { margin-bottom: 2px; }
.service-card p { font-size: 0.92rem; }

/* ---------- Process ---------- */
.process-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.process-step { position: relative; padding-top: 26px; border-top: 2px solid var(--ink); }
.process-step .step-index {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--amber);
  display: block;
  margin-bottom: 14px;
}
.process-step h3 { margin-bottom: 10px; }
.process-step p { font-size: 0.94rem; }

/* ---------- Disclosure / trust band ---------- */
.disclosure {
  background: var(--ink);
  color: var(--paper);
  padding: 64px 0;
}
.disclosure .container { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 60px; align-items: start; }
.disclosure h2 { color: var(--paper); margin-bottom: 16px; }
.disclosure p { color: #C6CBDA; font-size: 0.98rem; }
.disclosure-points { display: grid; gap: 22px; }
.disclosure-point { display: flex; gap: 16px; align-items: flex-start; }
.disclosure-point svg { width: 20px; height: 20px; flex-shrink: 0; margin-top: 3px; color: var(--amber-bg); }
.disclosure-point h4 { color: var(--paper); font-family: var(--font-body); font-size: 0.98rem; font-weight: 600; margin-bottom: 4px; }
.disclosure-point p { font-size: 0.88rem; color: #9AA6BC; }

/* ---------- Brand strip ---------- */
.brand-strip { padding: 52px 0; border-bottom: 1px solid var(--rule); }
.brand-strip .container { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 24px; }
.brand-strip-label { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--slate); }
.brand-list { display: flex; gap: 34px; flex-wrap: wrap; }
.brand-list span { font-family: var(--font-display); font-weight: 600; color: var(--ink); opacity: 0.55; font-size: 1.02rem; }

/* ---------- CTA band ---------- */
.cta-band {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 6px;
  padding: 52px 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}
.cta-band h2 { margin-bottom: 8px; }
.cta-band p { font-size: 0.96rem; }

/* ---------- Footer ---------- */
.site-footer { background: var(--ink); color: #AEB6C6; padding: 72px 0 30px; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid #2A3552;
}
.footer-brand { color: var(--paper); font-family: var(--font-display); font-weight: 700; font-size: 1.1rem; margin-bottom: 14px; display: flex; align-items: center; gap: 10px; }
.footer-col h4 { color: var(--paper); font-family: var(--font-body); font-size: 0.85rem; letter-spacing: 0.04em; text-transform: uppercase; margin-bottom: 16px; font-weight: 600; }
.footer-col ul { display: grid; gap: 11px; }
.footer-col a, .footer-col p { font-size: 0.9rem; color: #AEB6C6; }
.footer-col a:hover { color: var(--paper); }
.footer-note { font-size: 0.85rem; padding-top: 24px; line-height: 1.7; }
.footer-bottom { display: flex; justify-content: space-between; padding-top: 22px; font-size: 0.8rem; flex-wrap: wrap; gap: 12px; }

/* ---------- Reveal-on-scroll ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ---------- Page hero (interior pages) ---------- */
.page-hero { padding: 60px 0 56px; border-bottom: 1px solid var(--rule); }
.page-hero h1 { max-width: 16ch; margin-top: 16px; }
.page-hero p { max-width: 60ch; margin-top: 16px; font-size: 1.02rem; }

/* ---------- Supported devices grid ---------- */
.device-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--rule); border: 1px solid var(--rule); }
.device-card { background: var(--card); padding: 26px; }
.device-card h3 { font-size: 1rem; margin-bottom: 8px; }
.device-card p { font-size: 0.86rem; }
.device-card .status-tag { margin-top: 14px; }

/* ---------- Contact page ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; }
.contact-info-card {
  background: var(--ink); color: var(--paper);
  border-radius: 6px; padding: 40px 36px;
}
.contact-info-card h3 { color: var(--paper); font-family: var(--font-body); font-size: 0.95rem; text-transform: uppercase; letter-spacing: 0.05em; margin: 26px 0 8px; }
.contact-info-card h3:first-child { margin-top: 0; }
.contact-info-card p, .contact-info-card a { color: #C6CBDA; font-size: 0.95rem; }
.contact-info-card a:hover { color: var(--paper); }
.contact-info-card .mono { color: var(--amber-bg); font-size: 1.05rem; }

.form-field { margin-bottom: 20px; }
.form-field label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 8px; }
.form-field input, .form-field select, .form-field textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 13px 14px;
  border: 1px solid var(--rule);
  border-radius: 3px;
  background: var(--card);
  color: var(--ink);
}
.form-field textarea { resize: vertical; min-height: 110px; }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline: none;
  border-color: var(--ink);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-note { font-size: 0.82rem; color: var(--slate); margin-top: 10px; }
.form-success {
  display: none;
  background: #EAF4EE;
  border: 1px solid var(--ready);
  color: #1E5E3C;
  padding: 14px 16px;
  border-radius: 4px;
  font-size: 0.9rem;
  margin-top: 18px;
}
.form-success.show { display: block; }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .hero .container { grid-template-columns: 1fr; }
  .console { max-width: 480px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .process-list { grid-template-columns: 1fr; gap: 30px; }
  .disclosure .container { grid-template-columns: 1fr; gap: 36px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .device-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .brand-strip .container { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 720px) {
  .nav-links, .header-phone { display: none; }
  .nav-toggle { display: flex; }
  .header-right { gap: 10px; }
  .section { padding: 64px 0; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 16px; }
  .services-grid { grid-template-columns: 1fr; }
  .cta-band { flex-direction: column; align-items: flex-start; }
  .form-row { grid-template-columns: 1fr; }
  .device-grid { grid-template-columns: 1fr; }

  .nav-links.mobile-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 76px; left: 0; right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--rule);
    padding: 20px 32px 28px;
    gap: 18px;
  }
}