/* ==========================================================
   ZEISMIC — Design system v2 (lighter, modern pass)
   ========================================================== */
:root{
  --ink:#2B2721;
  --ink-soft:#77705F;
  --ink-faint:#A79F8F;

  --paper:#FFFFFF;
  --paper-warm:#FCFAF7;
  --paper-dim:#F5F1EA;
  --line:#ECE5D8;

  --orange:#FF7A45;
  --orange-2:#FF5F3C;
  --orange-tint:#FFE7DA;
  --orange-tint-2:#FFF1E9;

  --shadow-sm: 0 2px 10px -4px rgba(43,39,33,0.08);
  --shadow-md: 0 16px 40px -20px rgba(43,39,33,0.16);
  --shadow-lg: 0 30px 70px -30px rgba(43,39,33,0.22);

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

  --radius-sm:10px;
  --radius-md:18px;
  --radius-lg:28px;
}

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--body);
  color:var(--ink);
  background-color:var(--paper-warm);
  background-image:radial-gradient(rgba(43,39,33,0.07) 1px, transparent 1px);
  background-size:24px 24px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  font-weight:400;
}
@media (prefers-reduced-motion: reduce){
  *{animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important; scroll-behavior:auto !important;}
}
a{color:inherit; text-decoration:none;}
img{max-width:100%; display:block;}
ul{list-style:none;}
.container{max-width:1180px; margin:0 auto; padding:0 28px;}

.eyebrow{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--orange-2);
  font-weight:500;
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-bottom:20px;
}
.eyebrow::before{content:"//"; font-family:var(--mono); color:var(--orange); font-weight:500; letter-spacing:0;}

h1,h2,h3,h4{
  font-family:var(--display);
  font-weight:500;
  letter-spacing:-0.01em;
  color:var(--ink);
}
h1{font-weight:500;}
h2{font-size:clamp(28px,3.4vw,40px); line-height:1.18; margin-bottom:18px; font-weight:500;}
h3{font-size:19px; margin-bottom:10px; font-weight:600;}
p{color:var(--ink-soft); font-weight:300;}
.section{padding:112px 0;}
@media (max-width:720px){ .section{padding:76px 0;} }
.section-head{max-width:640px; margin-bottom:56px;}
.section-head.center{margin-left:auto; margin-right:auto; text-align:center;}
.section-head.center .eyebrow{justify-content:center;}

.btn{
  display:inline-flex; align-items:center; gap:10px;
  font-family:var(--mono); font-size:13.5px; font-weight:500; letter-spacing:0.02em;
  padding:15px 28px; border-radius:999px; cursor:pointer;
  transition:transform .3s cubic-bezier(.2,.8,.2,1), box-shadow .3s ease, background .3s ease, color .3s ease, border-color .3s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(120deg,var(--orange),var(--orange-2));
  color:#fff;
  box-shadow:0 14px 30px -12px rgba(255,95,60,0.45);
}
.btn-primary:hover{transform:translateY(-2px); box-shadow:0 18px 34px -12px rgba(255,95,60,0.55);}
.btn-ghost{background:var(--paper); color:var(--ink); border:1px solid var(--line);}
.btn-ghost:hover{border-color:var(--orange); color:var(--orange-2); transform:translateY(-2px);}
.btn-dark{background:var(--ink); color:#fff;}
.btn-dark:hover{background:#3a352d; transform:translateY(-2px);}

/* NAV */
header{position:fixed; top:0; left:0; right:0; z-index:100; padding:22px 0; transition:padding .35s ease, background .35s ease, box-shadow .35s ease;}
header.scrolled{
  padding:13px 0;
  background:rgba(255,255,255,0.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:0 1px 0 var(--line);
}
nav{display:flex; align-items:center; justify-content:space-between;}
.brand{display:flex; align-items:center; gap:10px;}
.brand img{height:48px; width:auto; transition:height .3s ease;}
header.scrolled .brand img{height:38px;}
.nav-links{display:flex; align-items:center; gap:8px; background:var(--paper); border:1px solid var(--line); border-radius:999px; padding:6px; box-shadow:var(--shadow-sm);}
.nav-links a{
  font-size:14px; font-weight:500; color:var(--ink-soft);
  padding:9px 18px; border-radius:999px;
  transition:color .2s ease, background .2s ease;
}
.nav-links a:hover{color:var(--ink); background:var(--paper-dim);}
.nav-links a.active{color:#fff; background:linear-gradient(120deg,var(--orange),var(--orange-2));}
.nav-right{display:flex; align-items:center; gap:18px;}
.nav-cta{display:none;}
@media(min-width:900px){ .nav-cta{display:inline-flex;} }
.burger{display:flex; flex-direction:column; gap:5px; background:var(--paper); border:1px solid var(--line); border-radius:10px; cursor:pointer; padding:11px;}
.burger span{width:18px; height:1.6px; background:var(--ink); display:block;}
@media(min-width:900px){ .burger{display:none;} }
@media(max-width:899px){ .nav-links{display:none;} }

.mobile-menu{
  position:fixed; inset:0; background:var(--paper-warm); z-index:200;
  display:flex; flex-direction:column; justify-content:center; align-items:center; gap:30px;
  transform:translateY(-100%); transition:transform .45s cubic-bezier(.6,0,.2,1);
}
.mobile-menu.open{transform:translateY(0);}
.mobile-menu a{color:var(--ink); font-family:var(--display); font-size:26px; font-weight:500;}
.mobile-close{position:absolute; top:26px; right:28px; background:var(--paper); border:1px solid var(--line); border-radius:10px; width:40px; height:40px; color:var(--ink); font-size:20px; cursor:pointer;}

/* soft blob background utility */
.blobs{position:absolute; inset:0; overflow:hidden; z-index:0; pointer-events:none;}
.blob{position:absolute; border-radius:50%; filter:blur(60px); opacity:0.55;}

/* PAGE HERO (inner pages) */
.page-hero{padding:168px 0 70px; position:relative;}
.page-hero h1{font-size:clamp(32px,4.6vw,50px); max-width:760px;}
.page-hero p.lead{font-size:17px; max-width:600px; margin-top:18px;}

/* WORK / CARD GRIDS */
.work-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:20px;}
@media(max-width:900px){ .work-grid{grid-template-columns:repeat(2,1fr);} }
@media(max-width:600px){ .work-grid{grid-template-columns:1fr;} }
.work-card{
  background:var(--paper); border:1px solid var(--line); border-radius:var(--radius-md);
  padding:26px; display:flex; flex-direction:column; gap:16px;
  transition:transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.work-card:hover{transform:translateY(-4px); box-shadow:var(--shadow-md); border-color:#f4d9c9;}
.work-top{display:flex; align-items:center; gap:14px;}
.work-logo{width:54px; height:54px; border-radius:12px; border:1px solid var(--line); display:flex; align-items:center; justify-content:center; background:#fff; padding:8px; flex:none;}
.work-logo img{width:100%; height:100%; object-fit:contain;}
.work-org{font-family:var(--display); font-weight:600; font-size:15px;}
.work-org small{display:block; font-family:var(--body); font-weight:300; font-size:12.5px; color:var(--ink-faint); margin-top:2px;}
.chip-row{display:flex; flex-wrap:wrap; gap:8px;}
.chip{font-family:var(--mono); font-size:11px; padding:6px 12px; border-radius:999px; background:var(--orange-tint-2); color:var(--orange-2); border:1px solid var(--orange-tint);}

/* CONTACT */
.contact-grid{display:grid; grid-template-columns:0.85fr 1.15fr; gap:28px;}
@media(max-width:900px){ .contact-grid{grid-template-columns:1fr;} }
.info-card{background:var(--ink); color:#fff; border-radius:var(--radius-lg); padding:44px 36px; height:100%;}
.info-card h3{color:#fff; font-size:19px;}
.info-row{display:flex; gap:14px; margin-top:22px; align-items:flex-start;}
.info-row .k{width:20px; color:var(--orange); flex:none; margin-top:3px;}
.info-row .v{font-size:14.5px; color:#d8d2c8; font-weight:300;}
.info-row a{color:#fff; border-bottom:1px solid rgba(255,255,255,0.3);}
form{background:var(--paper); border:1px solid var(--line); border-radius:var(--radius-lg); padding:40px; box-shadow:var(--shadow-sm);}
.form-status{
  margin-top:16px; padding:13px 16px; border-radius:10px; font-size:13.5px;
  display:none; font-weight:500;
}
.form-status.visible{display:block;}
.form-status.success{background:#E9F8EF; color:#1E8E4E; border:1px solid #C8EFD7;}
.form-status.error{background:#FDECEA; color:#C0392B; border:1px solid #F8D2CD;}
.map-wrap{
  border-radius:var(--radius-lg); overflow:hidden; box-shadow:var(--shadow-sm);
  border:1px solid var(--line); margin-top:28px; position:relative;
}
.map-wrap iframe{width:100%; height:340px; border:0; display:block; filter:grayscale(0.15) contrast(1.02);}
.form-row{display:grid; grid-template-columns:1fr 1fr; gap:18px; margin-bottom:18px;}
@media(max-width:560px){ .form-row{grid-template-columns:1fr;} }
label{font-family:var(--mono); font-size:11px; text-transform:uppercase; letter-spacing:0.06em; color:var(--ink-faint); display:block; margin-bottom:8px;}
input,textarea{
  width:100%; border:1px solid var(--line); background:var(--paper-warm); border-radius:12px;
  padding:13px 16px; font-family:var(--body); font-size:14.5px; color:var(--ink);
  transition:border-color .2s ease, background .2s ease;
}
input:focus,textarea:focus{outline:none; border-color:var(--orange); background:#fff;}
.full-row{margin-bottom:18px;}
textarea{resize:vertical; min-height:120px;}

/* FOOTER */
footer{background:var(--ink); color:#c9c2b5; padding-top:80px;}
.footer-grid{display:grid; grid-template-columns:1.3fr 1fr 1fr; gap:48px; padding-bottom:56px; border-bottom:1px solid rgba(255,255,255,0.1);}
@media(max-width:760px){ .footer-grid{grid-template-columns:1fr; gap:36px;} }
.footer-brand{display:inline-flex; align-items:center; background:#fff; border-radius:10px; padding:9px 16px; margin-bottom:20px;}
.footer-brand img{height:26px; width:auto;}
footer h4{color:#fff; font-family:var(--mono); font-size:11.5px; letter-spacing:0.08em; text-transform:uppercase; margin-bottom:18px; font-weight:500;}
footer ul li{margin-bottom:12px; font-size:14.5px; font-weight:300;}
footer ul li a:hover{color:#fff;}
.footer-bottom{display:flex; justify-content:space-between; align-items:center; padding:26px 0; font-size:13px; color:#89826f; flex-wrap:wrap; gap:10px;}

::selection{background:var(--orange-tint); color:var(--orange-2);}
:focus-visible{outline:2px solid var(--orange); outline-offset:2px;}

.stat-row{display:flex; gap:44px; flex-wrap:wrap;}
.stat b{font-family:var(--mono); font-size:28px; font-weight:500; color:var(--ink); display:block;}
.stat span{font-size:12.5px; color:var(--ink-faint);}

/* ---- tech accents ---- */
.status-badge{
  display:inline-flex; align-items:center; gap:9px;
  font-family:var(--mono); font-size:12px; color:var(--ink-soft);
  background:var(--paper); border:1px solid var(--line); border-radius:999px;
  padding:8px 16px 8px 12px; margin-bottom:24px; box-shadow:var(--shadow-sm);
}
.status-dot{width:8px; height:8px; border-radius:50%; background:#3FBF6F; position:relative; flex:none;}
.status-dot::after{
  content:""; position:absolute; inset:-4px; border-radius:50%; background:#3FBF6F;
  opacity:0.5; animation:pulse-dot 2s ease-out infinite;
}
@keyframes pulse-dot{
  0%{transform:scale(0.6); opacity:0.6;}
  100%{transform:scale(2.2); opacity:0;}
}

.terminal{
  background:#1B1815; border-radius:16px; overflow:hidden; box-shadow:var(--shadow-lg);
  border:1px solid rgba(255,255,255,0.06);
}
.terminal-bar{display:flex; align-items:center; gap:6px; padding:12px 16px; background:#141210;}
.terminal-dot{width:9px; height:9px; border-radius:50%;}
.terminal-dot.red{background:#FF5F57;}
.terminal-dot.yellow{background:#FEBC2E;}
.terminal-dot.green{background:#28C840;}
.terminal-title{margin-left:8px; font-family:var(--mono); font-size:11px; color:#8A8378; letter-spacing:0.04em;}
.terminal-body{padding:20px 22px 22px; font-family:var(--mono); font-size:12.5px; line-height:2.3; color:#C9C2B5;}
.terminal-body .prompt{color:#FF9466;}
.terminal-body .ok{color:#5FD98B;}
.term-row{display:flex; align-items:center; gap:8px;}
.term-label{white-space:nowrap;}
.term-fill{flex:1; min-width:16px; border-bottom:1px dotted rgba(201,194,181,0.3); margin:0 2px; transform:translateY(-4px);}
.term-state{white-space:nowrap; color:#5FD98B;}
.cursor{display:inline-block; width:7px; height:14px; background:#FF9466; margin-left:4px; vertical-align:middle; animation:blink 1.1s step-end infinite;}
@keyframes blink{0%,49%{opacity:1;} 50%,100%{opacity:0;}}

/* glow hover on interactive cards */
.work-card:hover, .mini-card:hover, .teaser-card:hover, .value-card:hover, .process-card:hover{
  box-shadow:var(--shadow-md), 0 0 32px -12px rgba(255,122,69,0.4);
}

.bracket-num{font-family:var(--mono); color:var(--orange);}
.bracket-num::before{content:"[ ";}
.bracket-num::after{content:" ]";}

.pnum::before, .vnum::before{content:"[ ";}
.pnum::after, .vnum::after{content:" ]";}
.s-tag::before{content:"> "; color:var(--orange);}

/* ---- custom line-art illustrations ---- */
.arch-illustration{max-width:620px; margin:0 auto;}
.arch-illustration svg{width:100%; height:auto; display:block;}

.circuit-bg{position:absolute; inset:0; overflow:hidden; z-index:0; pointer-events:none;}
.circuit-bg svg{position:absolute; top:-6%; right:-14%; width:75%; max-width:820px; opacity:0.28;}
@media(max-width:900px){ .circuit-bg svg{display:none;} }

.flow-illustration{width:260px; max-width:280px; flex:none;}
@media(max-width:860px){ .flow-illustration{display:none;} }

.profile-dl-card{
  display:flex; align-items:center; gap:24px;
  background:var(--paper); border:1px solid var(--line); border-radius:var(--radius-lg);
  padding:32px 36px; box-shadow:var(--shadow-sm);
}
@media(max-width:700px){ .profile-dl-card{flex-direction:column; text-align:center;} }
.profile-dl-icon{
  width:56px; height:56px; border-radius:16px; background:var(--orange-tint-2);
  display:flex; align-items:center; justify-content:center; flex:none;
}
.profile-dl-icon svg{width:26px; height:26px; color:var(--orange-2);}
.profile-dl-text{flex:1;}
.profile-dl-text h3{font-size:18px; margin-bottom:4px;}
.profile-dl-text p{font-size:14px; margin-bottom:0;}

/* floating LINE contact button */
.line-float{
  position:fixed; right:24px; bottom:24px; z-index:150;
  display:flex; align-items:center; gap:10px;
  background:#06C755; color:#fff; border-radius:999px;
  padding:14px 20px 14px 14px; box-shadow:0 12px 28px -10px rgba(6,199,85,0.55);
  font-family:var(--mono); font-size:13px; font-weight:500;
  transition:transform .25s ease, box-shadow .25s ease;
}
.line-float:hover{transform:translateY(-2px); box-shadow:0 16px 32px -10px rgba(6,199,85,0.65);}
.line-float svg{width:22px; height:22px; flex:none;}
@media(max-width:560px){
  .line-float span{display:none;}
  .line-float{padding:14px; right:18px; bottom:18px;}
}