/* =========================================================
   Kihara Infotech — Design tokens
   Dark is the default surface; light is an explicit opt-in.
   ========================================================= */

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

:root{
  --bg:#0D1117;
  --bg-soft:#0A0D12;
  --surface:#141922;
  --surface-2:#1B222D;
  --border:#262E3A;
  --border-soft:#1D2430;
  --text:#E9EDF3;
  --text-2:#9BA5B4;
  --text-3:#6A7382;
  --accent:#F5A623;        /* Kihara gold */
  --accent-ink:#241804;    /* text drawn on top of accent gold */
  --accent-2:#3FD9C7;      /* signal teal */
  --danger:#F1554C;
  --radius-sm:6px;
  --radius:12px;
  --radius-lg:20px;
  --shadow:0 20px 60px -20px rgba(0,0,0,0.55);
  --font-display:'Space Grotesk', 'Inter', sans-serif;
  --font-body:'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono:'JetBrains Mono', 'SFMono-Regular', Menlo, monospace;
  --maxw:1160px;
  color-scheme: dark;
}

[data-theme="light"]{
  --bg:#F5F6F8;
  --bg-soft:#ECEEF1;
  --surface:#FFFFFF;
  --surface-2:#F1F3F6;
  --border:#E1E4EA;
  --border-soft:#EAEDF1;
  --text:#161B22;
  --text-2:#525C6B;
  --text-3:#7B8494;
  --accent:#C97F0B;
  --accent-ink:#FFFFFF;
  --accent-2:#0E9C8C;
  --shadow:0 20px 50px -25px rgba(20,25,35,0.25);
  color-scheme: light;
}

*,*::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;
  transition:background .25s ease, color .25s ease;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:600;
  line-height:1.15;
  margin:0 0 .5em;
  letter-spacing:-0.01em;
}
p{ margin:0 0 1em; color:var(--text-2); }
.container{ max-width:var(--maxw); margin:0 auto; padding:0 24px; }
section{ padding:88px 0; }
.eyebrow{
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--accent-2);
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:7px; height:7px;
  border-radius:50%;
  background:var(--accent-2);
  box-shadow:0 0 0 3px color-mix(in srgb, var(--accent-2) 25%, transparent);
}
.section-head{ max-width:640px; margin-bottom:48px; }
.section-head h2{ font-size:clamp(28px,3.4vw,40px); }
.section-head p{ font-size:17px; }

/* Buttons */
.btn{
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--font-body); font-weight:600; font-size:14.5px;
  padding:12px 22px; border-radius:999px;
  border:1px solid transparent; cursor:pointer;
  transition:transform .15s ease, background .2s ease, border-color .2s ease, color .2s ease;
  white-space:nowrap;
}
.btn:active{ transform:scale(.97); }
.btn-primary{ background:var(--accent); color:var(--accent-ink); }
.btn-primary:hover{ filter:brightness(1.08); }
.btn-ghost{ background:transparent; color:var(--text); border-color:var(--border); }
.btn-ghost:hover{ border-color:var(--accent-2); color:var(--accent-2); }
.btn-block{ width:100%; justify-content:center; }

/* =========== Header =========== */
.site-header{
  position:sticky; top:0; z-index:100;
  background:color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border-soft);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding:16px 24px; max-width:var(--maxw); margin:0 auto;
}
.logo{ display:flex; align-items:center; gap:10px; font-family:var(--font-display); font-weight:700; font-size:18px; }
.logo .mark{
  font-family:var(--font-mono); font-weight:600;
  color:var(--accent); background:var(--surface-2);
  border:1px solid var(--border); border-radius:8px;
  padding:4px 8px; font-size:14px;
}
.logo .co{ color:var(--text-2); font-weight:500; }
.nav-links{ display:flex; align-items:center; gap:34px; }
.nav-links a{
  font-size:14.5px; font-weight:500; color:var(--text-2);
  position:relative; padding:6px 0; transition:color .2s ease;
}
.nav-links a:hover, .nav-links a.active{ color:var(--text); }
.nav-links a.active::after{
  content:""; position:absolute; left:0; right:0; bottom:-4px; height:2px;
  background:var(--accent);
}
.nav-right{ display:flex; align-items:center; gap:14px; }

.theme-toggle{
  width:42px; height:42px; border-radius:50%;
  border:1px solid var(--border); background:var(--surface);
  display:flex; align-items:center; justify-content:center;
  cursor:pointer; color:var(--text);
  transition:border-color .2s ease, color .2s ease;
}
.theme-toggle:hover{ border-color:var(--accent); color:var(--accent); }
.theme-toggle svg{ width:19px; height:19px; }
.theme-toggle .icon-sun{ display:none; }
[data-theme="light"] .theme-toggle .icon-moon{ display:none; }
[data-theme="light"] .theme-toggle .icon-sun{ display:block; }

.nav-toggle{
  display:none; width:38px; height:38px; border-radius:8px;
  border:1px solid var(--border); background:var(--surface);
  color:var(--text); cursor:pointer; align-items:center; justify-content:center;
}

/* =========== Footer =========== */
.site-footer{ border-top:1px solid var(--border-soft); background:var(--bg-soft); padding:64px 0 28px; }
.footer-grid{
  display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:40px;
  margin-bottom:48px;
}
.footer-brand p{ max-width:280px; font-size:14.5px; }
.footer-col h4{ font-size:13px; text-transform:uppercase; letter-spacing:.08em; color:var(--text-3); margin-bottom:16px; }
.footer-col a, .footer-col li{ display:block; font-size:14.5px; color:var(--text-2); margin-bottom:11px; }
.footer-col a:hover{ color:var(--accent-2); }
.footer-bottom{
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:12px;
  padding-top:28px; border-top:1px solid var(--border-soft);
  font-size:13px; color:var(--text-3); font-family:var(--font-mono);
}
.footer-bottom a{ color:var(--text-3); }
.footer-bottom a:hover{ color:var(--accent); }

/* =========== Hero / Terminal signature =========== */
.hero{ padding:96px 0 60px; }
.hero-grid{ display:grid; grid-template-columns:1.05fr .95fr; gap:56px; align-items:center; }
.hero h1{ font-size:clamp(36px,5vw,58px); margin-bottom:20px; }
.hero h1 .hl{ color:var(--accent); }
.hero-lead{ font-size:18px; max-width:480px; margin-bottom:32px; }
.hero-actions{ display:flex; gap:14px; margin-bottom:40px; flex-wrap:wrap; }
.hero-stats{ display:flex; gap:32px; flex-wrap:wrap; }
.hero-stats div{ font-family:var(--font-mono); }
.hero-stats b{ display:block; font-size:24px; color:var(--text); font-family:var(--font-display); }
.hero-stats span{ font-size:12.5px; color:var(--text-3); text-transform:uppercase; letter-spacing:.06em; }

/* terminal window */
.terminal{
  background:#0A0D12; border:1px solid var(--border); border-radius:var(--radius-lg);
  box-shadow:var(--shadow); overflow:hidden;
}
[data-theme="light"] .terminal{ background:#12161D; border-color:#12161D; }
.terminal-bar{
  display:flex; align-items:center; gap:8px; padding:13px 16px;
  border-bottom:1px solid rgba(255,255,255,.06);
}
.terminal-bar span{ width:11px; height:11px; border-radius:50%; }
.terminal-bar span:nth-child(1){ background:#F1554C; }
.terminal-bar span:nth-child(2){ background:#F5A623; }
.terminal-bar span:nth-child(3){ background:#3FD9C7; }
.terminal-bar .path{
  margin-left:10px; font-family:var(--font-mono); font-size:12px; color:#6A7382;
}
.terminal-body{
  padding:22px 20px 26px; font-family:var(--font-mono); font-size:14px;
  color:#C9D1D9; min-height:230px;
}
.terminal-body .prompt{ color:#3FD9C7; }
.terminal-body .cmd{ color:#E9EDF3; }
.terminal-line{ margin:0 0 10px; opacity:0; animation:fadeIn .4s ease forwards; }
.terminal-line.ok::before{ content:"✓ "; color:#3FD9C7; }
.terminal-line.done{ color:#F5A623; }
.cursor{ display:inline-block; width:8px; height:15px; background:#3FD9C7; vertical-align:middle; animation:blink 1s step-end infinite; }
@keyframes blink{ 50%{ opacity:0; } }
@keyframes fadeIn{ to{ opacity:1; } }

@media (prefers-reduced-motion: reduce){
  .terminal-line{ opacity:1; animation:none; }
  .cursor{ animation:none; }
  html{ scroll-behavior:auto; }
}

/* =========== Platform pills / services =========== */
.platforms{ display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
.platform-card{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius);
  padding:26px 22px; transition:border-color .2s ease, transform .2s ease;
}
.platform-card:hover{ border-color:var(--accent-2); transform:translateY(-3px); }
.platform-card .p-icon{
  width:42px; height:42px; border-radius:10px; background:var(--surface-2);
  display:flex; align-items:center; justify-content:center; margin-bottom:16px; color:var(--accent);
}
.platform-card h3{ font-size:17px; margin-bottom:6px; }
.platform-card p{ font-size:14px; margin:0; }

/* =========== Project cards + filters =========== */
.filters{ display:flex; gap:10px; flex-wrap:wrap; margin-bottom:36px; }
.filter-btn{
  font-family:var(--font-mono); font-size:13px; padding:9px 18px; border-radius:999px;
  border:1px solid var(--border); background:var(--surface); color:var(--text-2); cursor:pointer;
  transition:all .18s ease;
}
.filter-btn:hover{ color:var(--text); }
.filter-btn.active{ background:var(--accent); color:var(--accent-ink); border-color:var(--accent); }

.project-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.project-card{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius);
  overflow:hidden; display:flex; flex-direction:column; transition:transform .2s ease, border-color .2s ease;
}
.project-card:hover{ transform:translateY(-4px); border-color:var(--accent-2); }
.project-thumb{
  height:150px; display:flex; align-items:center; justify-content:center;
  font-family:var(--font-display); font-weight:700; font-size:15px; color:var(--accent-ink);
  background:linear-gradient(135deg, var(--accent), var(--accent-2));
}
.project-body{ padding:22px; flex:1; display:flex; flex-direction:column; }
.tag-row{ display:flex; gap:8px; margin-bottom:12px; flex-wrap:wrap; }
.tag{
  font-family:var(--font-mono); font-size:11.5px; padding:4px 10px; border-radius:999px;
  background:var(--surface-2); color:var(--accent-2); border:1px solid var(--border-soft);
}
.project-body h3{ font-size:18px; margin-bottom:8px; }
.project-body p{ font-size:14px; flex:1; }
.project-meta{ display:flex; justify-content:space-between; font-family:var(--font-mono); font-size:12px; color:var(--text-3); margin-top:14px; padding-top:14px; border-top:1px solid var(--border-soft); }

/* =========== Process =========== */
.process{ display:grid; grid-template-columns:repeat(4,1fr); gap:24px; }
.process-step{ position:relative; padding-left:0; }
.process-step .num{ font-family:var(--font-mono); font-size:13px; color:var(--accent); margin-bottom:10px; display:block; }
.process-step h3{ font-size:17px; }
.process-step p{ font-size:14px; }

/* =========== CTA band =========== */
.cta-band{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-lg);
  padding:56px; text-align:center; margin:0 24px;
}
.cta-band h2{ font-size:clamp(24px,3vw,34px); margin-bottom:12px; }
.cta-band p{ max-width:480px; margin:0 auto 28px; }
.cta-actions{ display:flex; justify-content:center; gap:14px; flex-wrap:wrap; }

/* =========== Support / contact page =========== */
.support-grid{ display:grid; grid-template-columns:.95fr 1.05fr; gap:48px; align-items:start; }
.contact-card{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius);
  padding:30px; margin-bottom:18px;
}
.contact-card .c-label{ font-family:var(--font-mono); font-size:12px; text-transform:uppercase; letter-spacing:.08em; color:var(--text-3); margin-bottom:6px; }
.contact-card .c-value{ font-size:16.5px; font-weight:600; }
.contact-card .c-value a:hover{ color:var(--accent-2); }
.contact-list{ display:grid; gap:16px; margin-bottom:28px; }
.map-wrap{
  border-radius:var(--radius); overflow:hidden; border:1px solid var(--border);
  height:280px; margin-bottom:8px;
  filter:grayscale(.4) invert(.92) contrast(.9) brightness(1.05);
}
[data-theme="light"] .map-wrap{ filter:grayscale(.15); }
.map-wrap iframe{ width:100%; height:100%; border:0; display:block; }
.map-note{ font-size:12.5px; color:var(--text-3); font-family:var(--font-mono); }

.form{ background:var(--surface); border:1px solid var(--border); border-radius:var(--radius); padding:32px; }
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.field{ margin-bottom:18px; }
.field label{ display:block; font-size:13px; font-weight:600; margin-bottom:7px; color:var(--text-2); }
.field input, .field select, .field textarea{
  width:100%; background:var(--bg-soft); border:1px solid var(--border); border-radius:var(--radius-sm);
  padding:12px 14px; color:var(--text); font-family:var(--font-body); font-size:14.5px;
  transition:border-color .2s ease;
}
.field input:focus, .field select:focus, .field textarea:focus{ outline:none; border-color:var(--accent-2); }
.field textarea{ resize:vertical; min-height:120px; }
.form-note{ font-size:12.5px; color:var(--text-3); margin-top:14px; }
.faq-item{ border-bottom:1px solid var(--border-soft); padding:18px 0; }
.faq-item h4{ font-size:15px; margin-bottom:6px; }
.faq-item p{ font-size:14px; margin:0; }

/* =========== Legal pages =========== */
.legal-hero{ padding:64px 0 30px; border-bottom:1px solid var(--border-soft); }
.legal-hero .updated{ font-family:var(--font-mono); font-size:13px; color:var(--text-3); }
.legal-layout{ display:grid; grid-template-columns:240px 1fr; gap:56px; padding-top:56px; align-items:start; }
.legal-toc{ position:sticky; top:100px; }
.legal-toc h4{ font-size:12px; text-transform:uppercase; letter-spacing:.08em; color:var(--text-3); margin-bottom:14px; }
.legal-toc a{ display:block; font-size:14px; color:var(--text-2); padding:7px 0; border-left:2px solid transparent; padding-left:12px; margin-left:-1px; transition:all .15s ease; }
.legal-toc a:hover, .legal-toc a.active{ color:var(--accent); border-left-color:var(--accent); }
.legal-content h2{ font-size:22px; margin-top:44px; padding-top:6px; }
.legal-content h2:first-child{ margin-top:0; }
.legal-content p, .legal-content li{ font-size:15px; color:var(--text-2); }
.legal-content ul{ margin:0 0 1em; padding-left:20px; list-style:disc; }
.legal-content li{ margin-bottom:6px; }
.legal-content strong{ color:var(--text); }

/* =========== Page hero (small) =========== */
.page-hero{ padding:64px 0 20px; }
.page-hero h1{ font-size:clamp(30px,4vw,44px); }
.page-hero p{ font-size:17px; max-width:560px; }

/* =========== Responsive =========== */
@media (max-width: 980px){
  .footer-grid{ grid-template-columns:1fr 1fr; }
  .platforms{ grid-template-columns:repeat(2,1fr); }
  .project-grid{ grid-template-columns:repeat(2,1fr); }
  .process{ grid-template-columns:repeat(2,1fr); }
  .hero-grid{ grid-template-columns:1fr; }
  .support-grid{ grid-template-columns:1fr; }
  .legal-layout{ grid-template-columns:1fr; }
  .legal-toc{ position:static; display:flex; gap:16px; overflow-x:auto; padding-bottom:8px; }
  .legal-toc a{ border-left:none; border-bottom:2px solid transparent; white-space:nowrap; }
  .legal-toc a:hover, .legal-toc a.active{ border-left-color:transparent; border-bottom-color:var(--accent); }
}
@media (max-width: 720px){
  .nav-links{
    position:fixed; top:73px; left:0; right:0; bottom:0;
    background:var(--bg); border-top:1px solid var(--border-soft);
    flex-direction:row; flex-wrap:wrap; align-items:flex-start; align-content:flex-start; gap:0; padding:20px 24px;
    transform:translateY(-20px); opacity:0; visibility:hidden; pointer-events:none;
    transition:transform .2s ease, opacity .2s ease, visibility .2s; z-index:90;
    overflow-y:auto;
  }
  .nav-links.open{
    transform:translateY(0); opacity:1; visibility:visible; pointer-events:auto;
  }
  .nav-links a{ width:50%; padding:16px 4px; font-size:17px; font-weight:600; border-bottom:1px solid var(--border-soft); }
  .nav-toggle{ display:flex; }
  .platforms{ grid-template-columns:1fr; }
  .project-grid{ grid-template-columns:1fr; }
  .process{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr; gap:28px; }
  .form-row{ grid-template-columns:1fr; }
  .cta-band{ padding:36px 22px; }
}