/* ===== PARVIHI DESIGN SYSTEM ===== */
:root{
  --ink:#0D1319;
  --panel:#12181F;
  --blueprint:#1B3A5C;
  --paper:#F6F4EF;
  --steel:#7A8290;
  --steel-light:#B9BDC4;
  --amber:#D9A441;
  --amber-soft:rgba(217,164,65,0.12);
  --line: rgba(246,244,239,0.14);
  --line-soft: rgba(246,244,239,0.08);
  --radius:2px;
  --max:1180px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  background:var(--ink); color:var(--paper);
  font-family:'Inter',sans-serif; line-height:1.65; font-size:16px;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:'Space Grotesk',sans-serif;font-weight:600;letter-spacing:-0.01em;line-height:1.15;}
a{color:inherit;text-decoration:none;}
img,svg{display:block;max-width:100%;}
.mono{font-family:'IBM Plex Mono',monospace;}
.wrap{max-width:var(--max);margin:0 auto;padding:0 28px;}
section{padding:88px 0;}
@media(max-width:760px){section{padding:56px 0;}}

/* corner registration marks — brand signature */
.sheet{position:relative;border:1px solid var(--line);}
.cx{position:absolute;width:16px;height:16px;opacity:0.55;pointer-events:none;}
.cx::before,.cx::after{content:'';position:absolute;background:var(--amber);}
.cx::before{width:16px;height:1px;top:7.5px;left:0;}
.cx::after{width:1px;height:16px;left:7.5px;top:0;}
.cx.tl{top:-8px;left:-8px;} .cx.tr{top:-8px;right:-8px;} .cx.bl{bottom:-8px;left:-8px;} .cx.br{bottom:-8px;right:-8px;}

/* NAV */
header.site-nav{
  position:sticky;top:0;z-index:100;background:rgba(13,19,25,0.92);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:20px 28px;max-width:var(--max);margin:0 auto;}
.logo{display:flex;align-items:center;gap:10px;font-family:'Space Grotesk';font-weight:700;font-size:1.02rem;letter-spacing:0.02em;}
.logo-mark{width:24px;height:24px;border:1.5px solid var(--amber);transform:rotate(45deg);position:relative;}
.logo-mark::after{content:'';position:absolute;inset:5px;border:1px solid var(--amber);}
.navlinks{display:flex;gap:30px;font-size:0.86rem;}
.navlinks a{color:var(--steel-light);transition:color .2s;white-space:nowrap;}
.navlinks a:hover, .navlinks a.active{color:var(--amber);}
.navcta{border:1px solid var(--amber);color:var(--amber);padding:9px 18px;font-family:'IBM Plex Mono';font-size:0.78rem;letter-spacing:0.03em;white-space:nowrap;}
.navcta:hover{background:var(--amber);color:var(--ink);}
.navtoggle{display:none;background:none;border:1px solid var(--line);color:var(--paper);font-size:1.1rem;padding:6px 10px;cursor:pointer;}
@media(max-width:900px){
  .navlinks{display:none;}
  .navtoggle{display:block;}
}
#mobilemenu{display:none;flex-direction:column;gap:2px;border-top:1px solid var(--line);padding:8px 28px 18px;}
#mobilemenu.open{display:flex;}
#mobilemenu a{padding:12px 0;font-size:0.9rem;color:var(--steel-light);border-bottom:1px solid var(--line-soft);}

/* EYEBROW / SECTION HEAD */
.eyebrow{font-family:'IBM Plex Mono';font-size:0.76rem;color:var(--amber);letter-spacing:0.12em;text-transform:uppercase;display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.eyebrow::before{content:'';width:22px;height:1px;background:var(--amber);}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap;margin-bottom:48px;}
.section-head h2{font-size:clamp(1.6rem,3.4vw,2.35rem);max-width:620px;}
.section-head p{color:var(--steel);max-width:340px;font-size:0.95rem;}

/* BUTTONS */
.btn-primary{display:inline-block;background:var(--amber);color:var(--ink);padding:14px 26px;font-family:'IBM Plex Mono';font-size:0.82rem;letter-spacing:0.02em;font-weight:500;}
.btn-primary:hover{background:#c48f38;}
.btn-ghost{display:inline-block;border:1px solid var(--line);color:var(--paper);padding:14px 26px;font-family:'IBM Plex Mono';font-size:0.82rem;}
.btn-ghost:hover{border-color:var(--paper);}

/* HERO */
.hero{padding-top:80px;padding-bottom:64px;}
.hero h1{font-size:clamp(2.1rem,4.6vw,3.6rem);max-width:820px;}
.hero h1 span{color:var(--amber);}
.hero .lead{margin-top:22px;max-width:600px;color:var(--steel-light);font-size:1.06rem;}
.hero-actions{display:flex;gap:16px;margin-top:34px;flex-wrap:wrap;}
.page-hero{padding:64px 0 40px;border-bottom:1px solid var(--line);}
.page-hero h1{font-size:clamp(1.9rem,4vw,2.8rem);max-width:760px;}
.page-hero p{margin-top:16px;color:var(--steel-light);max-width:600px;font-size:1rem;}

/* TITLE BLOCK — signature footer for sections */
.titleblock{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding:14px 28px;font-family:'IBM Plex Mono';font-size:0.7rem;color:var(--steel);letter-spacing:0.03em;flex-wrap:wrap;gap:8px;}
.titleblock em{color:var(--amber);font-style:normal;}

/* GRIDS */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);}
@media(max-width:900px){.grid-3,.grid-4{grid-template-columns:1fr 1fr;}}
@media(max-width:600px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}}
.cell{background:var(--ink);padding:32px 26px;}
.cell:hover{background:rgba(217,164,65,0.035);}
.cell .num{font-family:'IBM Plex Mono';color:var(--amber);font-size:0.76rem;display:block;margin-bottom:14px;}
.cell h3{font-size:1.06rem;margin-bottom:10px;}
.cell p{color:var(--steel);font-size:0.9rem;}
.cell a.more{display:inline-block;margin-top:14px;font-family:'IBM Plex Mono';font-size:0.76rem;color:var(--amber);}

/* PILLS */
.pill-row{display:flex;flex-wrap:wrap;gap:12px;}
.pill{border:1px solid var(--line);padding:10px 18px;font-family:'IBM Plex Mono';font-size:0.82rem;color:var(--steel-light);display:flex;align-items:center;gap:9px;}
.pill::before{content:'';width:6px;height:6px;background:var(--amber);border-radius:50%;}

/* WORKFLOW STEPS */
.steps{counter-reset:step;}
.step{display:flex;gap:22px;padding:26px 0;border-bottom:1px solid var(--line);}
.step:last-child{border-bottom:none;}
.step-num{font-family:'Space Grotesk';font-weight:700;font-size:1.4rem;color:var(--amber);min-width:46px;}
.step h4{font-size:1.02rem;margin-bottom:6px;}
.step p{color:var(--steel);font-size:0.9rem;max-width:600px;}

/* FAQ */
details.faq{border-bottom:1px solid var(--line);padding:20px 0;}
details.faq summary{cursor:pointer;font-family:'Space Grotesk';font-size:1rem;font-weight:600;list-style:none;display:flex;justify-content:space-between;align-items:center;}
details.faq summary::-webkit-details-marker{display:none;}
details.faq summary::after{content:'+';color:var(--amber);font-size:1.3rem;font-family:monospace;margin-left:16px;}
details.faq[open] summary::after{content:'–';}
details.faq p{margin-top:14px;color:var(--steel);font-size:0.92rem;max-width:680px;}

/* CARDS with figures */
.card-fig{background:var(--ink);padding:28px 24px 22px;}
.card-fig figure{border:1px solid var(--line);padding:18px;margin-bottom:16px;background:rgba(27,58,92,0.16);}
.card-fig h3{font-size:0.98rem;margin-bottom:6px;}
.card-fig p{font-size:0.84rem;color:var(--steel);}

/* CRED STRIP */
.cred-strip{display:flex;flex-wrap:wrap;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.cred{flex:1;min-width:150px;padding:20px 18px;border-right:1px solid var(--line);text-align:center;font-family:'IBM Plex Mono';font-size:0.76rem;color:var(--steel);letter-spacing:0.02em;}
@media(max-width:700px){.cred{border-bottom:1px solid var(--line);border-right:none;flex:1 0 50%;}}

/* FORM */
.field{margin-bottom:18px;}
.field label{display:block;font-family:'IBM Plex Mono';font-size:0.74rem;color:var(--steel);margin-bottom:8px;letter-spacing:0.03em;}
.field input,.field select,.field textarea{width:100%;background:transparent;border:1px solid var(--line);color:var(--paper);padding:13px 14px;font-family:'Inter';font-size:0.92rem;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--amber);}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
@media(max-width:600px){.field-row{grid-template-columns:1fr;}}

/* BREADCRUMB */
.crumb{font-family:'IBM Plex Mono';font-size:0.74rem;color:var(--steel);padding:20px 0 0;}
.crumb a{color:var(--steel);} .crumb a:hover{color:var(--amber);}
.crumb span{color:var(--amber);}

/* FOOTER */
footer.site-footer{border-top:1px solid var(--line);padding:52px 0 30px;margin-top:40px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;margin-bottom:44px;}
@media(max-width:760px){.footer-grid{grid-template-columns:1fr 1fr;}}
.footer-col h4{font-family:'IBM Plex Mono';font-size:0.76rem;color:var(--amber);letter-spacing:0.06em;text-transform:uppercase;margin-bottom:16px;}
.footer-col a,.footer-col p{display:block;color:var(--steel);font-size:0.86rem;margin-bottom:10px;}
.footer-col a:hover{color:var(--paper);}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;border-top:1px solid var(--line);padding-top:24px;font-family:'IBM Plex Mono';font-size:0.72rem;color:var(--steel);}

.cap-note{font-size:0.84rem;color:var(--steel);max-width:660px;margin-bottom:40px;border-left:2px solid var(--amber);padding-left:16px;}