/* ==========================================================
   YJ Technosoft — design tokens
   Palette:  ink navy bg / off-white alt / signal teal accent /
             coral used once as the "live" accent
   Type:     Space Grotesk (display) + Inter (body)
   ========================================================== */
:root{
  --ink:        #0A0E17;
  --ink-2:      #121826;
  --ink-line:   rgba(255,255,255,.09);
  --paper:      #F6F5F1;
  --paper-2:    #FFFFFF;
  --paper-line: rgba(10,14,23,.10);
  --text-hi:    #EDEFF4;
  --text-lo:    #9AA3B5;
  --text-ink:   #171B26;
  --text-ink-lo:#5B6272;
  --teal:       #17B8A6;
  --teal-hi:    #4FE3D1;
  --coral:      #FF6B4A;
  --radius-sm:  4px;
  --radius:     10px;
  --maxw:       1180px;
  --ff-head: "Space Grotesk", "Segoe UI", sans-serif;
  --ff-body: "Inter", "Segoe UI", sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--ff-body);
  background:var(--paper);
  color:var(--text-ink);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--ff-head);line-height:1.15;margin:0 0 .5em;letter-spacing:-.01em;font-weight:600}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}

.skip-link{position:absolute;left:-999px;top:0;background:var(--teal);color:#04211d;padding:10px 16px;z-index:200}
.skip-link:focus{left:16px;top:16px}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

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

/* ---------- section rhythm ---------- */
.section{padding:96px 0}
.section-tight{padding:64px 0}
.section-dark{background:var(--ink);color:var(--text-hi)}
.section-dark .eyebrow{color:var(--teal-hi)}
.section-dark h2{color:#fff}
.section-dark p{color:var(--text-lo)}

.eyebrow{
  font-family:var(--ff-head);
  font-size:.8rem;
  color:var(--teal);
  margin-bottom:.9em;
  display:flex;align-items:center;gap:.6em;
}
.eyebrow::before{content:"";width:22px;height:1px;background:currentColor;display:inline-block}

.section-head{max-width:640px;margin-bottom:48px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
h2{font-size:clamp(1.8rem,3vw,2.5rem)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.5em;
  font-family:var(--ff-head);font-weight:600;font-size:.95rem;
  padding:13px 26px;border-radius:var(--radius-sm);
  border:1px solid transparent;cursor:pointer;
  transition:transform .15s ease, background-color .15s ease, border-color .15s ease, color .15s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--teal);color:#04231F;}
.btn-primary:hover{background:var(--teal-hi)}
.btn-ghost{border-color:var(--paper-line);color:var(--text-ink)}
.btn-ghost:hover{border-color:var(--text-ink)}
.section-dark .btn-ghost{border-color:rgba(255,255,255,.25);color:#fff}
.section-dark .btn-ghost:hover{border-color:#fff}
.btn-sm{padding:9px 18px;font-size:.85rem}
.btn svg{width:16px;height:16px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(246,245,241,.86);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--paper-line);
}
.header-row{display:flex;align-items:center;gap:32px;height:76px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--ff-head);font-weight:700;font-size:1.15rem;color:var(--text-ink)}
.brand-mark{
  display:grid;place-items:center;width:34px;height:34px;border-radius:8px;
  background:var(--ink);color:var(--teal-hi);font-size:.85rem;letter-spacing:.02em;
}
.main-nav{display:flex;gap:28px;margin-left:8px;flex:1}
.main-nav a{font-size:.93rem;color:var(--text-ink-lo);position:relative;padding:6px 0}
.main-nav a:hover,.main-nav a.active{color:var(--text-ink)}
.main-nav a.active::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--teal)}
.header-cta{margin-left:auto}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:38px;height:38px;background:none;border:0;cursor:pointer}
.nav-toggle span{height:2px;background:var(--text-ink);border-radius:2px}

/* ---------- hero ---------- */
.hero{
  background:var(--ink);color:var(--text-hi);
  position:relative;overflow:hidden;
  padding:88px 0 0;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg, rgba(23,184,166,.10), transparent 60%),
    repeating-linear-gradient(90deg, rgba(255,255,255,.035) 0 1px, transparent 1px 120px);
  pointer-events:none;
}
.hero-grid{
  position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center;
}
.hero-copy h1{font-size:clamp(2.3rem,4.6vw,3.6rem);color:#fff;max-width:15ch}
.hero-copy p{color:var(--text-lo);font-size:1.08rem;max-width:46ch;margin-bottom:2em}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:56px}

.hero-panel{
  background:var(--ink-2);border:1px solid var(--ink-line);border-radius:var(--radius);
  padding:22px;font-family:'Space Grotesk',monospace;
}
.hero-panel-top{display:flex;gap:6px;margin-bottom:16px}
.hero-panel-top span{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.18)}
.hero-panel-row{display:flex;justify-content:space-between;align-items:baseline;padding:12px 0;border-top:1px solid var(--ink-line);font-size:.9rem}
.hero-panel-row:first-of-type{border-top:none}
.hero-panel-row b{font-family:var(--ff-head);color:var(--teal-hi);font-size:1.3rem}
.hero-panel-row span{color:var(--text-lo)}

.hero-strip{
  border-top:1px solid var(--ink-line);
  display:grid;grid-template-columns:repeat(4,1fr);
  position:relative;
}
.hero-strip div{padding:26px 0;border-left:1px solid var(--ink-line)}
.hero-strip div:first-child{border-left:none}
.hero-strip b{display:block;font-family:var(--ff-head);font-size:1.7rem;color:var(--teal-hi)}
.hero-strip span{color:var(--text-lo);font-size:.85rem}

/* ---------- services ---------- */
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--paper-line);border:1px solid var(--paper-line)}
.service-card{background:var(--paper-2);padding:34px 30px;transition:background-color .15s ease}
.service-card:hover{background:#fff}
.service-icon{
  width:44px;height:44px;border-left:2px solid var(--teal);
  display:flex;align-items:center;padding-left:12px;margin-bottom:20px;
}
.service-icon .icon{width:26px;height:26px;color:var(--teal)}
.service-card h3{font-size:1.15rem;margin-bottom:.5em}
.service-card p{color:var(--text-ink-lo);font-size:.95rem;margin-bottom:1.2em}
.service-link{font-size:.85rem;font-weight:600;display:inline-flex;align-items:center;gap:.4em;color:var(--text-ink)}
.service-link .icon{width:14px;height:14px}

/* ---------- about / split ---------- */
.split{display:grid;grid-template-columns:.85fr 1.15fr;gap:64px;align-items:start}
.split-list li{display:flex;gap:12px;padding:14px 0;border-top:1px solid var(--paper-line)}
.split-list li:first-child{border-top:none}
.split-list .icon{width:18px;height:18px;color:var(--teal);flex-shrink:0;margin-top:3px}
.stack-figures{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--paper-line);border:1px solid var(--paper-line);margin-top:32px}
.stack-figures div{background:var(--paper-2);padding:22px}
.stack-figures b{display:block;font-family:var(--ff-head);font-size:1.9rem}
.stack-figures span{color:var(--text-ink-lo);font-size:.85rem}

/* ---------- process ---------- */
.process-list{display:grid;grid-template-columns:repeat(5,1fr);gap:0;border-top:1px solid var(--ink-line)}
.process-item{padding:28px 22px 0;border-left:1px solid var(--ink-line)}
.process-item:first-child{border-left:none}
.process-num{font-family:var(--ff-head);color:var(--teal-hi);font-size:.85rem;margin-bottom:14px;display:block}
.process-item h4{color:#fff;font-size:1rem;margin-bottom:.4em}
.process-item p{color:var(--text-lo);font-size:.88rem}

/* ---------- portfolio ---------- */
.portfolio-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.portfolio-card{border:1px solid var(--paper-line);border-radius:var(--radius);overflow:hidden;background:var(--paper-2)}
.portfolio-thumb{aspect-ratio:16/10;background:linear-gradient(135deg,var(--ink),#1c2436);display:flex;align-items:center;justify-content:center}
.portfolio-thumb span{font-family:var(--ff-head);color:var(--teal-hi);font-size:.85rem;letter-spacing:.02em}
.portfolio-body{padding:24px}
.portfolio-cat{font-size:.78rem;color:var(--teal);font-weight:600;margin-bottom:.6em;display:block}
.portfolio-body h3{font-size:1.15rem;margin-bottom:.4em}
.portfolio-body p{color:var(--text-ink-lo);font-size:.92rem;margin-bottom:0}

/* ---------- testimonials ---------- */
.testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.testi-card{background:var(--paper-2);border:1px solid var(--paper-line);border-radius:var(--radius);padding:28px}
.testi-stars{color:var(--coral);display:flex;gap:3px;margin-bottom:14px}
.testi-stars .icon{width:15px;height:15px;fill:currentColor}
.testi-card p{font-size:.96rem;color:var(--text-ink)}
.testi-who{display:flex;align-items:center;gap:12px;margin-top:16px}
.testi-avatar{width:38px;height:38px;border-radius:50%;background:var(--ink);color:var(--teal-hi);display:flex;align-items:center;justify-content:center;font-family:var(--ff-head);font-size:.8rem}
.testi-who b{display:block;font-size:.9rem}
.testi-who span{color:var(--text-ink-lo);font-size:.8rem}

/* ---------- CTA banner ---------- */
.cta-banner{background:var(--ink);border-radius:var(--radius);padding:56px;display:flex;justify-content:space-between;align-items:center;gap:32px;flex-wrap:wrap}
.cta-banner h2{color:#fff;margin-bottom:.3em;max-width:20ch}
.cta-banner p{color:var(--text-lo);margin:0}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px}
.contact-info-item{display:flex;gap:14px;padding:18px 0;border-top:1px solid var(--paper-line)}
.contact-info-item:first-child{border-top:none}
.contact-info-item .icon{width:20px;height:20px;color:var(--teal);flex-shrink:0;margin-top:2px}
.contact-info-item b{display:block;font-size:.85rem;color:var(--text-ink-lo);font-weight:500;margin-bottom:.2em}

.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}
.form-field.full{grid-column:1 / -1}
.form-field label{font-size:.82rem;font-weight:600;color:var(--text-ink-lo)}
.form-field input,.form-field select,.form-field textarea{
  border:1px solid var(--paper-line);border-radius:var(--radius-sm);padding:12px 14px;
  font-family:var(--ff-body);font-size:.95rem;background:#fff;color:var(--text-ink);
}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{border-color:var(--teal)}
.form-note{font-size:.82rem;color:var(--text-ink-lo);margin-top:10px}
.alert{padding:14px 18px;border-radius:var(--radius-sm);font-size:.9rem;margin-bottom:20px}
.alert-success{background:#E4F8F2;color:#0B6E5A;border:1px solid #BFEBDE}
.alert-error{background:#FDECEA;color:#9C3223;border:1px solid #F7CFC7}

/* ---------- page hero (inner pages) ---------- */
.page-hero{background:var(--ink);color:#fff;padding:70px 0 56px}
.page-hero h1{color:#fff;font-size:clamp(2rem,4vw,2.8rem);max-width:20ch}
.page-hero p{color:var(--text-lo);max-width:52ch}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:var(--text-lo);padding:72px 0 0}
.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{margin:16px 0;font-size:.9rem;max-width:32ch}
.footer-social{display:flex;gap:10px}
.footer-social a{width:32px;height:32px;border:1px solid var(--ink-line);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.72rem;text-transform:uppercase}
.footer-col h4{color:#fff;font-size:.85rem;margin-bottom:16px}
.footer-col a{display:block;font-size:.88rem;padding:6px 0;color:var(--text-lo)}
.footer-col a:hover{color:var(--teal-hi)}
.footer-address{font-size:.85rem;max-width:26ch;margin-top:8px}
.footer-bottom{padding:22px 0;font-size:.82rem;display:flex;justify-content:space-between}

/* ---------- responsive ---------- */
@media (max-width: 980px){
  .hero-grid{grid-template-columns:1fr}
  .hero-strip{grid-template-columns:repeat(2,1fr)}
  .hero-strip div:nth-child(3){border-left:none}
  .services-grid{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr}
  .process-list{grid-template-columns:repeat(2,1fr)}
  .process-item:nth-child(3){border-left:none}
  .portfolio-grid{grid-template-columns:1fr}
  .testi-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width: 720px){
  .main-nav,.header-cta{display:none}
  .nav-toggle{display:flex}
  .site-header.nav-open .main-nav{
    display:flex;flex-direction:column;position:absolute;top:76px;left:0;right:0;
    background:var(--paper);border-bottom:1px solid var(--paper-line);padding:16px 24px;gap:4px;
  }
  .site-header.nav-open .main-nav a{padding:12px 0}
  .services-grid{grid-template-columns:1fr}
  .process-list{grid-template-columns:1fr}
  .process-item{border-left:none;border-top:1px solid var(--ink-line);padding-top:22px}
  .form-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
  .cta-banner{padding:36px}
}

/* ---------- admin-facing minimal shared bits (badges) ---------- */
.badge{display:inline-block;padding:2px 9px;border-radius:20px;font-size:.72rem;font-weight:600}
.badge-on{background:#E4F8F2;color:#0B6E5A}
.badge-off{background:#F1F1EE;color:#7A7F8A}