/* Studio Ruang — Profil Personal: Arsitek & Desainer Interior
   Palet: utama #1c1917 (stone-900), aksen #a8a29e (stone-400), tema terang */
:root{
  --ink:#1c1917;
  --ink-soft:#3f3a36;
  --muted:#78716c;
  --accent:#a8a29e;
  --line:#e7e3df;
  --bg:#faf8f6;
  --bg-2:#f3efeb;
  --card:#ffffff;
  --gold:#8c7b6b;
  --shadow:0 1px 2px rgba(28,25,23,.04),0 12px 30px rgba(28,25,23,.06);
  --radius:2px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%}
a{color:inherit;text-decoration:none}

/* ---------- Demo bar ---------- */
.demobar{
  background:var(--ink);
  color:#f5f5f4;
  font-size:13px;
  text-align:center;
  padding:7px 14px;
  letter-spacing:.2px;
}
.demobar a{color:#fff;text-decoration:underline;text-underline-offset:2px}
.demobar b{letter-spacing:1px}

/* ---------- Header ---------- */
.site-head{
  position:sticky;top:0;z-index:50;
  background:rgba(250,248,246,.86);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--line);
}
.nav{
  max-width:1120px;margin:0 auto;padding:16px 22px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
}
.brand{display:flex;align-items:center;gap:11px;font-weight:700;letter-spacing:.3px}
.brand .mark{width:34px;height:34px;flex:0 0 auto}
.brand .bt{display:flex;flex-direction:column;line-height:1.05}
.brand .bt small{font-weight:500;font-size:10px;letter-spacing:3px;color:var(--accent);text-transform:uppercase}
.brand .bt span{font-size:18px}

.menu{list-style:none;display:flex;align-items:center;gap:6px}
.menu a{
  display:block;padding:9px 14px;border-radius:var(--radius);
  font-size:14px;color:var(--ink-soft);font-weight:500;
  transition:.18s;letter-spacing:.2px;
}
.menu a:hover{color:var(--ink);background:var(--bg-2)}
.menu a.active{color:var(--ink);background:var(--ink);color:#fff}
.menu .cta a,.menu a.btnnav{background:var(--ink);color:#fff}
.menu .cta a:hover{background:#000}

#nav{display:none}
.burger{display:none;cursor:pointer;width:42px;height:42px;border:1px solid var(--line);border-radius:var(--radius);align-items:center;justify-content:center}
.burger span,.burger span::before,.burger span::after{
  content:"";display:block;width:20px;height:2px;background:var(--ink);position:relative;transition:.2s;
}
.burger span::before{position:absolute;top:-6px}
.burger span::after{position:absolute;top:6px}

/* ---------- Layout helpers ---------- */
.wrap{max-width:1120px;margin:0 auto;padding:0 22px}
.section{padding:74px 0}
.section.tight{padding:54px 0}
.eyebrow{
  font-size:11px;letter-spacing:4px;text-transform:uppercase;
  color:var(--accent);font-weight:600;margin-bottom:14px;display:block;
}
h1,h2,h3{line-height:1.15;letter-spacing:-.4px;font-weight:700}
h1{font-size:clamp(34px,6vw,58px)}
h2{font-size:clamp(26px,4vw,38px)}
h3{font-size:19px}
.lead{font-size:18px;color:var(--ink-soft);max-width:62ch}
.center{text-align:center}
.center .lead{margin:0 auto}

.btn{
  display:inline-block;padding:13px 26px;border-radius:var(--radius);
  font-weight:600;font-size:14px;letter-spacing:.4px;transition:.18s;cursor:pointer;
  border:1px solid var(--ink);
}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:#000;transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}

/* ---------- Hero ---------- */
.hero{
  background:
    radial-gradient(120% 90% at 85% 0%,rgba(168,162,158,.22),transparent 60%),
    linear-gradient(180deg,var(--bg),var(--bg-2));
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.hero-grid{
  display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;
  padding:84px 0 80px;
}
.hero h1{margin-bottom:18px}
.hero .lead{margin-bottom:6px}
.hero-stats{display:flex;gap:30px;margin-top:34px;flex-wrap:wrap}
.hero-stats div{}
.hero-stats b{display:block;font-size:26px}
.hero-stats span{font-size:12px;color:var(--muted);letter-spacing:.5px}

/* illustrative "blueprint" panel */
.frame{
  position:relative;aspect-ratio:4/5;border-radius:var(--radius);
  background:
    linear-gradient(135deg,#2a2622,#1c1917);
  box-shadow:var(--shadow);overflow:hidden;
}
.frame .blueprint{position:absolute;inset:0;opacity:.5}
.frame .tag{
  position:absolute;left:18px;bottom:18px;background:rgba(255,255,255,.94);
  color:var(--ink);padding:10px 14px;border-radius:var(--radius);font-size:12px;
}
.frame .tag b{display:block;font-size:14px}

/* ---------- Marquee/value strip ---------- */
.strip{background:var(--ink);color:#f5f5f4}
.strip .wrap{display:flex;flex-wrap:wrap;gap:14px 38px;justify-content:center;padding:18px 22px;font-size:13px;letter-spacing:1px}
.strip span{color:var(--accent)}

/* ---------- Cards / grids ---------- */
.grid{display:grid;gap:22px}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;box-shadow:var(--shadow);transition:.2s;
}
.card:hover{transform:translateY(-3px);border-color:var(--accent)}
.card .ic{width:46px;height:46px;color:var(--ink);margin-bottom:16px}
.card h3{margin-bottom:8px}
.card p{color:var(--ink-soft);font-size:15px}
.num{font-size:12px;letter-spacing:3px;color:var(--accent);font-weight:700}

/* project gallery */
.proj{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.proj figure{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);background:var(--card);border:1px solid var(--line)}
.proj .ph{aspect-ratio:4/3;position:relative}
.proj figcaption{padding:16px 18px}
.proj figcaption h3{font-size:16px}
.proj figcaption p{font-size:13px;color:var(--muted)}
.tagline{display:inline-block;font-size:11px;letter-spacing:2px;text-transform:uppercase;color:var(--accent);margin-bottom:4px}

/* CSS-generated "renders" via gradients */
.r1{background:linear-gradient(135deg,#1c1917,#44403c)}
.r2{background:linear-gradient(135deg,#a8a29e,#78716c)}
.r3{background:linear-gradient(135deg,#d6d3d1,#a8a29e)}
.r4{background:linear-gradient(160deg,#292524,#a8a29e)}
.r5{background:linear-gradient(135deg,#57534e,#1c1917)}
.r6{background:linear-gradient(135deg,#e7e5e4,#a8a29e)}
.ph::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);
  background-size:22px 22px;
}

/* ---------- Process / timeline ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:s}
.step{position:relative;padding-top:18px;border-top:2px solid var(--ink)}
.step .n{font-size:13px;letter-spacing:2px;color:var(--accent);font-weight:700}
.step h3{font-size:17px;margin:8px 0 6px}
.step p{font-size:14px;color:var(--ink-soft)}

/* ---------- Pricing / paket ---------- */
.pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:start}
.plan{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}
.plan.featured{background:var(--ink);color:#f5f5f4;border-color:var(--ink)}
.plan.featured .price,.plan.featured h3{color:#fff}
.plan.featured ul li{color:#d6d3d1}
.plan.featured .btn{background:#fff;color:var(--ink);border-color:#fff}
.plan h3{font-size:18px}
.plan .price{font-size:32px;font-weight:700;margin:12px 0}
.plan .price small{font-size:14px;font-weight:500;color:var(--muted)}
.plan ul{list-style:none;margin:18px 0 24px}
.plan ul li{padding:8px 0;border-top:1px solid var(--line);font-size:14px;color:var(--ink-soft);display:flex;gap:10px}
.plan.featured ul li{border-color:rgba(255,255,255,.12)}
.badge{display:inline-block;font-size:10px;letter-spacing:2px;background:var(--accent);color:var(--ink);padding:4px 10px;border-radius:999px;text-transform:uppercase;font-weight:700}

/* ---------- Quote / testi ---------- */
.quote{background:var(--bg-2);border-left:3px solid var(--ink);padding:30px 34px;border-radius:var(--radius)}
.quote p{font-size:19px;font-style:italic;color:var(--ink)}
.quote footer{margin-top:14px;font-size:13px;color:var(--muted);font-style:normal}
.testi{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}

/* ---------- About profile ---------- */
.profile{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:center}
.portrait{aspect-ratio:3/4;border-radius:var(--radius);background:linear-gradient(160deg,#292524,#a8a29e);box-shadow:var(--shadow);position:relative;overflow:hidden}
.portrait::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px);background-size:100% 30px}
.facts{list-style:none;margin-top:22px}
.facts li{display:flex;justify-content:space-between;gap:18px;padding:12px 0;border-bottom:1px solid var(--line);font-size:14px}
.facts li b{color:var(--ink)}
.facts li span{color:var(--muted)}

/* skill bars */
.skills{margin-top:8px}
.skill{margin-bottom:14px}
.skill .top{display:flex;justify-content:space-between;font-size:13px;margin-bottom:6px;color:var(--ink-soft)}
.bar{height:6px;background:var(--bg-2);border-radius:999px;overflow:hidden}
.bar i{display:block;height:100%;background:linear-gradient(90deg,var(--ink),var(--accent))}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:42px}
.info-list{list-style:none}
.info-list li{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--line)}
.info-list .ic{width:36px;height:36px;flex:0 0 auto;color:var(--ink)}
.info-list b{display:block;font-size:14px}
.info-list span{color:var(--muted);font-size:14px}
form{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}
.formnote{font-size:12px;color:var(--muted);margin-bottom:18px}
label{display:block;font-size:13px;font-weight:600;margin:14px 0 6px}
input,select,textarea{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:var(--radius);
  font:inherit;font-size:14px;background:var(--bg);color:var(--ink);
}
input:focus,select:focus,textarea:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:var(--accent)}
textarea{min-height:120px;resize:vertical}
form .btn{margin-top:20px;width:100%;border:none}

/* faq */
.faq details{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:6px 20px;margin-bottom:12px}
.faq summary{cursor:pointer;font-weight:600;padding:14px 0;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";float:right;color:var(--accent);font-size:20px;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq p{padding:0 0 16px;color:var(--ink-soft);font-size:15px}

/* CTA band */
.cta-band{background:var(--ink);color:#f5f5f4;text-align:center;border-radius:var(--radius)}
.cta-band .wrap{padding:64px 22px}
.cta-band h2{color:#fff;margin-bottom:12px}
.cta-band p{color:#d6d3d1;max-width:54ch;margin:0 auto 26px}
.cta-band .btn{background:#fff;color:var(--ink);border-color:#fff}
.cta-band .btn:hover{background:var(--accent);border-color:var(--accent)}

/* ---------- Footer ---------- */
.site-foot{background:var(--bg-2);border-top:1px solid var(--line);padding:56px 0 26px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px}
.site-foot .brand{margin-bottom:14px}
.site-foot p{color:var(--ink-soft);font-size:14px;max-width:36ch}
.site-foot h4{font-size:12px;letter-spacing:2px;text-transform:uppercase;color:var(--accent);margin-bottom:14px}
.site-foot ul{list-style:none}
.site-foot ul li{margin-bottom:9px}
.site-foot ul a{color:var(--ink-soft);font-size:14px}
.site-foot ul a:hover{color:var(--ink)}
.copy{border-top:1px solid var(--line);margin-top:40px;padding-top:22px;font-size:13px;color:var(--muted);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

/* ---------- Responsive ---------- */
@media(max-width:980px){
  .hero-grid,.profile,.contact-grid{grid-template-columns:1fr;gap:34px}
  .g3,.proj,.testi,.pricing{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:820px){
  .burger{display:flex}
  .menu{
    position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;
    background:var(--bg);border-bottom:1px solid var(--line);padding:10px 16px 18px;gap:4px;
    display:none;box-shadow:var(--shadow);
  }
  #nav:checked ~ .menu{display:flex}
  .menu a{padding:12px 12px}
  .nav{position:relative}
}
@media(max-width:560px){
  .g3,.g2,.proj,.testi,.pricing,.steps,.foot-grid{grid-template-columns:1fr}
  .section{padding:54px 0}
  .hero-grid{padding:54px 0}
}