/* =========================================================
   NAMHO INDUSTRIES — design system
   Concept: "signal" — turning a business into a frequency
   worth tuning into. Dark ink sections carry the broadcast
   moments (hero, CTA, footer); light mist/paper sections
   carry the reading moments (services, process, content).
   ========================================================= */

:root{
  /* --- color: ink & paper --- */
  --ink:        #0A0E17;
  --ink-soft:   #131A28;
  --ink-line:   rgba(255,255,255,0.09);
  --paper:      #FFFFFF;
  --mist:       #F1F4F8;
  --line:       #E1E7EF;

  /* --- color: text --- */
  --text:            #111826;
  --text-muted:       #5B6473;
  --text-on-dark:      #EAF0F7;
  --text-on-dark-muted:#8D99AC;

  /* --- color: signal (brand accents) --- */
  --signal:      #00C2A8;   /* teal — primary accent, "on air" */
  --signal-dim:  #0B372F;
  --signal-ink:  #003530;
  --ember:       #FF5D3A;   /* coral — secondary accent, CTAs */
  --ember-dim:   #3A1710;

  /* --- type --- */
  --font-display: 'Space Grotesk', sans-serif;
  --font-body:    'Inter', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

  /* --- layout --- */
  --maxw: 1180px;
  --gap: 24px;
  --radius: 14px;
  --radius-sm: 8px;
}

/* ---------- reset ---------- */
*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: var(--font-body);
  color: var(--text);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
button{ font-family: inherit; }
h1,h2,h3,h4{
  font-family: var(--font-display);
  line-height: 1.12;
  margin: 0 0 .5em;
  letter-spacing: -0.01em;
  font-weight: 600;
}
p{ margin: 0 0 1em; }

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

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

/* ---------- layout helpers ---------- */
.wrap{
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}
.section{ padding: 96px 0; }
.section--tight{ padding: 64px 0; }
.section--dark{ background: var(--ink); color: var(--text-on-dark); }
.section--mist{ background: var(--mist); }
.section--paper{ background: var(--paper); }

.eyebrow{
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--signal);
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom: 16px;
}
.eyebrow::before{
  content:"";
  width: 22px; height: 1px;
  background: var(--signal);
  display:inline-block;
}
.section--dark .eyebrow{ color: var(--signal); }

.section-head{ max-width: 640px; margin-bottom: 56px; }
.section-head h2{ font-size: clamp(28px, 3.4vw, 40px); }
.section-head p{ color: var(--text-muted); font-size: 17px; margin-bottom:0; }
.section--dark .section-head p{ color: var(--text-on-dark-muted); }

.grid{ display:grid; gap: var(--gap); }
.grid-2{ grid-template-columns: repeat(2,1fr); }
.grid-3{ grid-template-columns: repeat(3,1fr); }
.grid-4{ grid-template-columns: repeat(4,1fr); }

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding: 14px 26px;
  border-radius: 100px;
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  cursor:pointer;
  transition: transform .18s ease, background .18s ease, border-color .18s ease, color .18s ease;
  white-space: nowrap;
}
.btn:hover{ transform: translateY(-2px); }
.btn-primary{ background: var(--signal); color: var(--ink); }
.btn-primary:hover{ background: #01D9BC; }
.btn-ghost{ background: transparent; color: var(--text-on-dark); border-color: var(--ink-line); }
.btn-ghost:hover{ border-color: var(--signal); color: var(--signal); }
.btn-ember{ background: var(--ember); color: #fff; }
.btn-ember:hover{ background:#FF7657; }
.btn-outline-dark{ background: transparent; color: var(--text); border-color: var(--line); }
.btn-outline-dark:hover{ border-color: var(--ink); }
.btn-sm{ padding: 10px 18px; font-size: 13.5px; }
.btn-block{ width:100%; }

/* ---------- header / nav ---------- */
.site-header{
  position: sticky; top:0; z-index: 100;
  background: rgba(10,14,23,0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--ink-line);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  height: 78px;
}
.logo{
  display:flex; align-items:center; gap:10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  color: var(--text-on-dark);
}
.logo-mark{ width:30px; height:30px; flex-shrink:0; }
.logo small{
  display:block;
  font-family: var(--font-mono);
  font-weight:400;
  font-size: 10px;
  letter-spacing:.1em;
  color: var(--text-on-dark-muted);
  text-transform: uppercase;
}
.nav-links{
  display:flex; align-items:center; gap: 36px;
}
.nav-links a{
  font-size: 14.5px;
  font-weight: 500;
  color: var(--text-on-dark-muted);
  position: relative;
  padding: 6px 0;
}
.nav-links a:hover{ color: var(--text-on-dark); }
.nav-links a.active{ color: var(--signal); }
.nav-cta{ display:flex; align-items:center; gap:14px; }
.nav-toggle{
  display:none;
  width: 42px; height: 42px;
  border-radius: 10px;
  border: 1px solid var(--ink-line);
  background: transparent;
  color: var(--text-on-dark);
  align-items:center; justify-content:center;
}
.mobile-panel{
  display:none;
  position:fixed; inset: 78px 0 0 0;
  background: var(--ink);
  z-index: 99;
  padding: 32px 24px;
  overflow-y:auto;
}
.mobile-panel.is-open{ display:block; }
.mobile-panel a{
  display:block;
  font-family: var(--font-display);
  font-size: 26px;
  padding: 14px 0;
  color: var(--text-on-dark);
  border-bottom: 1px solid var(--ink-line);
}
.mobile-panel .btn{ margin-top: 28px; }

/* ---------- hero ---------- */
.hero{
  position: relative;
  background: var(--ink);
  color: var(--text-on-dark);
  overflow: hidden;
  padding: 88px 0 72px;
}
.hero::before{
  content:"";
  position:absolute; inset:-20% -10% auto -10%;
  height: 700px;
  background:
    radial-gradient(480px 320px at 15% 20%, rgba(0,194,168,0.22), transparent 70%),
    radial-gradient(420px 300px at 85% 10%, rgba(255,93,58,0.14), transparent 70%);
  pointer-events:none;
}
.hero-grid{
  position:relative;
  display:grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items:center;
}
.hero h1{
  font-size: clamp(34px, 4.6vw, 56px);
  margin-bottom: 22px;
}
.hero h1 .hl{ color: var(--signal); }
.hero-sub{
  font-size: 18px;
  color: var(--text-on-dark-muted);
  max-width: 520px;
  margin-bottom: 32px;
}
.hero-ctas{ display:flex; gap:14px; flex-wrap:wrap; margin-bottom: 48px; }
.hero-stats{
  display:grid;
  grid-template-columns: repeat(3,1fr);
  gap: 20px;
  border-top: 1px solid var(--ink-line);
  padding-top: 28px;
  max-width: 560px;
}
.hero-stat b{
  display:block;
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--text-on-dark);
}
.hero-stat span{
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .04em;
  color: var(--text-on-dark-muted);
}
.hero-visual{
  position: relative;
  height: 380px;
  border-radius: var(--radius);
  border: 1px solid var(--ink-line);
  background: linear-gradient(180deg, var(--ink-soft), var(--ink));
  overflow:hidden;
}
.hero-visual canvas{ width:100%; height:100%; display:block; }
.hero-visual .tag{
  position:absolute; top:16px; left:18px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-on-dark-muted);
  display:flex; align-items:center; gap:8px;
}
.hero-visual .tag i{
  width:7px; height:7px; border-radius:50%;
  background: var(--signal);
  box-shadow: 0 0 0 4px var(--signal-dim);
}

/* thin waveform divider (quiet echo of the hero signature) */
.wave-divider{ display:block; width:100%; height:32px; }
.wave-divider path{ stroke: var(--line); }
.section--dark + .section--mist .wave-divider path,
.section--ink-to-mist{ }

/* ---------- service cards ---------- */
.svc-card{
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px;
  transition: border-color .2s ease, transform .2s ease;
}
.svc-card:hover{ border-color: var(--signal); transform: translateY(-4px); }
.svc-icon{
  width: 46px; height:46px;
  border-radius: 12px;
  background: var(--signal-dim);
  color: var(--signal);
  display:flex; align-items:center; justify-content:center;
  margin-bottom: 20px;
}
.svc-card h3{ font-size: 19px; margin-bottom: 10px; }
.svc-card p{ color: var(--text-muted); font-size: 15px; margin-bottom: 14px; }
.svc-card .svc-link{
  font-size: 13.5px; font-weight:600; color: var(--text);
  display:inline-flex; align-items:center; gap:6px;
}
.svc-card .svc-link:hover{ color: var(--signal); }

/* ---------- process ---------- */
.process-row{
  display:grid;
  grid-template-columns: repeat(4,1fr);
  gap: var(--gap);
}
.process-step{
  border-top: 2px solid var(--signal);
  padding-top: 22px;
}
.process-step .num{
  font-family: var(--font-mono);
  color: var(--text-on-dark-muted);
  font-size: 13px;
  margin-bottom: 14px;
  display:block;
}
.process-step h3{ font-size: 19px; color: var(--text-on-dark); margin-bottom: 10px; }
.process-step p{ color: var(--text-on-dark-muted); font-size: 14.5px; margin-bottom:0; }

/* ---------- why / reason cards ---------- */
.reason{
  display:flex; gap:18px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}
.reason:last-child{ border-bottom:none; }
.reason-index{
  font-family: var(--font-mono);
  color: var(--signal);
  font-size: 13px;
  min-width: 30px;
  padding-top: 4px;
}
.reason h3{ font-size: 18px; margin-bottom:6px; }
.reason p{ color: var(--text-muted); font-size: 15px; margin-bottom:0; }

/* ---------- about-teaser / split ---------- */
.split{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items:center;
}
.split-visual{
  position:relative;
  aspect-ratio: 4/3.4;
  border-radius: var(--radius);
  background: var(--ink);
  overflow:hidden;
  border: 1px solid var(--line);
}
.split-visual canvas{ width:100%; height:100%; }
.pillars{ display:grid; grid-template-columns: repeat(2,1fr); gap:18px; margin-top:24px; }
.pillar{ padding:18px; border-radius: var(--radius-sm); background: var(--mist); }
.pillar b{ display:block; font-family: var(--font-display); font-size:15px; margin-bottom:4px; }
.pillar span{ font-size:13.5px; color:var(--text-muted); }

/* ---------- CTA band ---------- */
.cta-band{
  background: linear-gradient(120deg, var(--signal-ink), var(--ink) 60%);
  color: var(--text-on-dark);
  border-radius: var(--radius);
  padding: 56px;
  display:flex; align-items:center; justify-content:space-between;
  gap: 32px;
  flex-wrap:wrap;
}
.cta-band h2{ font-size: clamp(24px,3vw,32px); margin-bottom:8px; }
.cta-band p{ color: var(--text-on-dark-muted); margin-bottom:0; max-width: 440px; }
.cta-actions{ display:flex; gap:14px; flex-wrap:wrap; }

/* ---------- FAQ ---------- */
.faq-item{ border-bottom: 1px solid var(--line); }
.faq-q{
  width:100%;
  display:flex; align-items:center; justify-content:space-between;
  gap: 20px;
  background:none; border:none;
  text-align:left;
  padding: 22px 0;
  font-family: var(--font-display);
  font-size: 17px;
  color: var(--text);
  cursor:pointer;
}
.faq-q .plus{
  font-family: var(--font-mono); color: var(--signal); font-size: 20px;
  transition: transform .2s ease;
  flex-shrink:0;
}
.faq-item.is-open .plus{ transform: rotate(45deg); }
.faq-a{
  max-height:0; overflow:hidden;
  transition: max-height .25s ease;
  color: var(--text-muted); font-size: 15px;
}
.faq-a-inner{ padding-bottom: 22px; max-width: 640px; }
.faq-item.is-open .faq-a{ max-height: 320px; }

/* ---------- footer ---------- */
.site-footer{ background: var(--ink); color: var(--text-on-dark-muted); padding-top: 72px; }
.footer-grid{
  display:grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 56px;
  border-bottom: 1px solid var(--ink-line);
}
.footer-brand p{ font-size: 14.5px; max-width: 300px; margin: 16px 0 20px; }
.footer-social{ display:flex; gap:10px; }
.footer-social a{
  width:36px; height:36px; border-radius:50%;
  border:1px solid var(--ink-line);
  display:flex; align-items:center; justify-content:center;
}
.footer-social a:hover{ border-color: var(--signal); color: var(--signal); }
.footer-col h4{
  font-family: var(--font-mono);
  font-size: 12px; letter-spacing:.1em; text-transform:uppercase;
  color: var(--text-on-dark); margin-bottom: 18px; font-weight:500;
}
.footer-col li{ margin-bottom: 12px; font-size: 14.5px; }
.footer-col a:hover{ color: var(--signal); }
.footer-bottom{
  display:flex; align-items:center; justify-content:space-between;
  padding: 24px 0; font-size: 13px; flex-wrap:wrap; gap:12px;
}
.footer-bottom a:hover{ color: var(--signal); }

/* ---------- generic inner-page hero ---------- */
.page-hero{
  background: var(--ink); color: var(--text-on-dark);
  padding: 64px 0 56px;
  position: relative; overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute; inset:0;
  background: radial-gradient(600px 260px at 90% -10%, rgba(0,194,168,0.18), transparent 70%);
}
.page-hero h1{ font-size: clamp(30px,4vw,44px); position:relative; }
.page-hero p{ color: var(--text-on-dark-muted); max-width: 560px; font-size:17px; position:relative; margin-bottom:0; }
.breadcrumb{
  font-family: var(--font-mono); font-size:12px; letter-spacing:.06em;
  color: var(--text-on-dark-muted); text-transform:uppercase;
  margin-bottom: 18px; position:relative;
}
.breadcrumb a:hover{ color: var(--signal); }

/* ---------- service detail blocks ---------- */
.svc-detail{
  display:grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  padding: 56px 0;
  border-bottom: 1px solid var(--line);
  align-items:start;
}
.svc-detail:last-child{ border-bottom:none; }
.svc-detail-head .eyebrow{ color: var(--text-muted); }
.svc-detail-head .eyebrow::before{ background: var(--text-muted); }
.svc-detail h2{ font-size: 26px; }
.svc-detail-head p{ color: var(--text-muted); }
.check-list li{
  display:flex; gap:12px; padding: 11px 0;
  border-top: 1px solid var(--line);
  font-size: 15px;
}
.check-list li:first-child{ border-top:none; }
.check-list svg{ flex-shrink:0; margin-top:3px; color: var(--signal); }

/* ---------- about page specifics ---------- */
.value-card{
  padding: 28px;
  border-radius: var(--radius);
  background: var(--mist);
}
.value-card b{ display:block; font-family: var(--font-display); font-size:18px; margin-bottom:8px; }
.value-card p{ font-size:14.5px; color:var(--text-muted); margin-bottom:0; }

/* ---------- contact page ---------- */
.contact-grid{
  display:grid;
  grid-template-columns: 1fr 0.85fr;
  gap: 48px;
  align-items:start;
}
.form-card{
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px;
}
.form-row{ display:grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field{ margin-bottom: 18px; }
.field label{ display:block; font-size:13.5px; font-weight:600; margin-bottom:7px; }
.field input, .field select, .field textarea{
  width:100%;
  padding: 13px 14px;
  border-radius: 9px;
  border: 1px solid var(--line);
  font-family: var(--font-body);
  font-size: 14.5px;
  background: var(--mist);
  color: var(--text);
}
.field input:focus, .field select:focus, .field textarea:focus{
  outline:none; border-color: var(--signal); background: var(--paper);
}
.field textarea{ resize: vertical; min-height: 120px; }
.hp-field{ position:absolute; left:-9999px; top:-9999px; }

.info-card{
  background: var(--ink); color: var(--text-on-dark);
  border-radius: var(--radius);
  padding: 32px;
  margin-bottom: 20px;
}
.info-row{ display:flex; gap:14px; padding: 16px 0; border-top: 1px solid var(--ink-line); }
.info-row:first-child{ border-top:none; padding-top:0; }
.info-row .ic{ color: var(--signal); flex-shrink:0; margin-top:2px; }
.info-row b{ display:block; font-size: 14px; margin-bottom:3px; }
.info-row span, .info-row a{ font-size: 14px; color: var(--text-on-dark-muted); }
.map-frame{
  border-radius: var(--radius);
  overflow:hidden;
  border: 1px solid var(--line);
  height: 260px;
}
.map-frame iframe{ width:100%; height:100%; border:0; }
.form-note{ font-size:13px; color:var(--text-muted); margin-top: -6px; }
.form-success, .form-error{
  padding: 14px 18px; border-radius: 10px; font-size: 14.5px; margin-bottom: 18px;
}
.form-success{ background:#DEF7F1; color:#046656; border:1px solid #B7EBDF; }
.form-error{ background:#FDEAE6; color:#B23B22; border:1px solid #F8C7BB; }

/* ---------- legal pages ---------- */
.legal-body{ max-width: 780px; }
.legal-body h2{ font-size: 22px; margin-top: 40px; }
.legal-body h2:first-child{ margin-top:0; }
.legal-body p, .legal-body li{ color: var(--text-muted); font-size: 15.5px; }
.legal-body ul{ margin: 0 0 18px; }
.legal-body li{ padding-left: 22px; position:relative; margin-bottom:8px; }
.legal-body li::before{
  content:""; position:absolute; left:0; top:10px;
  width:6px; height:6px; border-radius:50%; background: var(--signal);
}
.legal-meta{
  font-family: var(--font-mono); font-size:12.5px; color: var(--text-muted);
  margin-bottom: 36px; letter-spacing:.02em;
}

/* ---------- responsive ---------- */
@media (max-width: 1000px){
  .nav-links, .nav-cta .btn-ghost{ display:none; }
  .nav-toggle{ display:flex; }
  .hero-grid{ grid-template-columns: 1fr; }
  .hero-visual{ height: 280px; order:-1; }
  .grid-4{ grid-template-columns: repeat(2,1fr); }
  .grid-3{ grid-template-columns: repeat(2,1fr); }
  .process-row{ grid-template-columns: repeat(2,1fr); }
  .split{ grid-template-columns: 1fr; gap:32px; }
  .footer-grid{ grid-template-columns: 1fr 1fr; }
  .svc-detail{ grid-template-columns: 1fr; }
  .contact-grid{ grid-template-columns: 1fr; }
}
@media (max-width: 640px){
  .section{ padding: 64px 0; }
  .grid-2, .grid-3, .grid-4{ grid-template-columns: 1fr; }
  .hero-stats{ grid-template-columns: 1fr; gap:14px; }
  .process-row{ grid-template-columns: 1fr; }
  .footer-grid{ grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom{ flex-direction:column; align-items:flex-start; }
  .cta-band{ padding: 36px 26px; flex-direction:column; align-items:flex-start; }
  .form-row{ grid-template-columns: 1fr; }
  .nav .wrap{ padding: 0 18px; }
}