/* ============================================================
   YRC — shared stylesheet
   Aesthetic: refined technical-editorial.
   Warm near-black ink · cream · molten-amber accent.
   Fraunces (display) · Archivo (body) · JetBrains Mono (labels)
   ============================================================ */

:root {
  --ink: #0c0d0b;
  --ink-2: #131410;
  --ink-3: #1b1c17;
  --paper: #f0ebdf;
  --paper-dim: #a5a294;
  --paper-faint: #6c6a60;
  --gold: #e6a52c;
  --gold-2: #f2be5a;
  --line: rgba(240, 235, 223, 0.10);
  --line-2: rgba(240, 235, 223, 0.18);
  --maxw: 1200px;
  --display: "Fraunces", Georgia, serif;
  --body: "Archivo", system-ui, sans-serif;
  --mono: "JetBrains Mono", monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: var(--gold); color: var(--ink); }

body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

a { color: inherit; text-decoration: none; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 40px; }

.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.eyebrow::before { content: ""; width: 28px; height: 1px; background: var(--gold); display: inline-block; }

/* ---------- header ---------- */
header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: background 0.4s ease, border-color 0.4s ease, backdrop-filter 0.4s ease;
  border-bottom: 1px solid transparent;
}
header.scrolled {
  background: rgba(12, 13, 11, 0.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 78px; }
.logo {
  font-family: var(--display);
  font-weight: 500;
  font-size: 25px;
  letter-spacing: -0.01em;
  display: flex;
  align-items: baseline;
  gap: 3px;
}
.logo .mark { color: var(--gold); }
.logo .full {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--paper-dim);
  margin-left: 8px;
  align-self: center;
}
.nav-links { display: flex; align-items: center; gap: 38px; font-size: 15px; }
.nav-links a.navitem { color: var(--paper-dim); transition: color 0.25s; position: relative; }
.nav-links a.navitem:hover, .nav-links a.navitem.active { color: var(--paper); }
.nav-links a.navitem.active::after {
  content: ""; position: absolute; left: 0; bottom: -6px; width: 100%; height: 1px; background: var(--gold);
}

.btn {
  font-family: var(--body);
  font-weight: 500;
  font-size: 15px;
  padding: 12px 24px;
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.25s ease;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 1px solid transparent;
}
.btn-gold { background: var(--gold); color: var(--ink); }
.btn-gold:hover { background: var(--gold-2); transform: translateY(-1px); }
.btn-ghost { border-color: var(--line-2); color: var(--paper); }
.btn-ghost:hover { border-color: var(--paper); background: rgba(240,235,223,0.04); }
.btn .arr { transition: transform 0.25s; }
.btn:hover .arr { transform: translateX(3px); }
@media (max-width: 860px) { .nav-links { display: none; } }

/* ---------- shared decorative ---------- */
.hero-glow {
  position: absolute;
  width: 720px; height: 720px;
  right: -180px; top: -140px;
  background: radial-gradient(circle, rgba(230,165,44,0.16), transparent 62%);
  pointer-events: none;
  filter: blur(10px);
}
.grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 100% 100%, calc(100% / 6) 100%;
  opacity: 0.5;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(180deg, transparent, #000 30%, #000 70%, transparent);
  mask-image: linear-gradient(180deg, transparent, #000 30%, #000 70%, transparent);
}

/* animations */
.reveal-up { opacity: 0; transform: translateY(26px); animation: revealUp 0.9s cubic-bezier(0.22,1,0.36,1) forwards; }
@keyframes revealUp { to { opacity: 1; transform: none; } }
.d1 { animation-delay: 0.05s; } .d2 { animation-delay: 0.18s; }
.d3 { animation-delay: 0.31s; } .d4 { animation-delay: 0.44s; } .d5 { animation-delay: 0.57s; }
.obs { opacity: 0; transform: translateY(34px); transition: opacity 0.9s cubic-bezier(0.22,1,0.36,1), transform 0.9s cubic-bezier(0.22,1,0.36,1); }
.obs.in { opacity: 1; transform: none; }

/* ---------- animated background (Vanta fog) ---------- */
.vanta-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.9;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(180deg, #000 55%, transparent);
  mask-image: linear-gradient(180deg, #000 55%, transparent);
}
.vanta-bg canvas { display: block; }

/* ---------- home hero ---------- */
.hero { position: relative; padding: 190px 0 110px; overflow: hidden; }
.hero .grid-lines { background-size: 100% 100%, calc(100% / 6) 100%; }
.hero-inner { position: relative; z-index: 2; }
.hero h1 {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(48px, 7.4vw, 104px);
  line-height: 0.98;
  letter-spacing: -0.03em;
  max-width: 15ch;
  margin: 30px 0 0;
}
.hero h1 em { font-style: italic; color: var(--gold); font-weight: 300; }
.hero p.lede { max-width: 56ch; font-size: 20px; line-height: 1.55; color: var(--paper-dim); margin: 34px 0 44px; }
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-meta { display: flex; gap: 48px; margin-top: 82px; padding-top: 30px; border-top: 1px solid var(--line); flex-wrap: wrap; }
.hero-meta .stat .n { font-family: var(--display); font-size: 40px; font-weight: 500; line-height: 1; color: var(--paper); }
.hero-meta .stat .l { font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--paper-faint); margin-top: 10px; }

/* ---------- trust ---------- */
.trust { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--ink-2); }
.trust-inner { display: flex; align-items: center; gap: 34px; padding: 26px 0; flex-wrap: wrap; }
.trust .label { font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--paper-faint); white-space: nowrap; }
.trust .logos { display: flex; gap: 46px; flex-wrap: wrap; align-items: center; }
.trust .logos span { font-family: var(--display); font-size: 22px; font-weight: 500; color: var(--paper-dim); opacity: 0.6; letter-spacing: -0.01em; transition: opacity 0.3s; }
.trust .logos span:hover { opacity: 1; }

/* ---------- section frame ---------- */
section.block { padding: 120px 0; position: relative; }
.sec-head { max-width: 60ch; margin-bottom: 68px; }
.sec-head h2 { font-family: var(--display); font-weight: 400; font-size: clamp(34px, 4.6vw, 58px); line-height: 1.02; letter-spacing: -0.02em; margin-top: 24px; }
.sec-head h2 em, .sec-head h2 b { font-style: italic; color: var(--gold); font-weight: 300; }

/* ---------- pillars ---------- */
.pillars { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.pillar { background: var(--ink); padding: 46px 42px 40px; position: relative; transition: background 0.4s ease; min-height: 300px; display: flex; flex-direction: column; }
.pillar:hover { background: var(--ink-2); }
.pillar .idx { font-family: var(--mono); font-size: 12px; color: var(--gold); letter-spacing: 0.1em; }
.pillar h3 { font-family: var(--display); font-weight: 500; font-size: 28px; letter-spacing: -0.01em; margin: 22px 0 16px; }
.pillar p { color: var(--paper-dim); font-size: 16px; line-height: 1.6; }
.pillar .go { margin-top: auto; padding-top: 26px; font-family: var(--mono); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--paper-faint); display: inline-flex; align-items: center; gap: 10px; transition: color 0.3s, gap 0.3s; }
.pillar:hover .go { color: var(--gold); gap: 16px; }
@media (max-width: 780px) { .pillars { grid-template-columns: 1fr; } }

/* ---------- why / differentiators ---------- */
.why { background: var(--ink-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.why-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 80px; align-items: start; }
.diff-list { display: flex; flex-direction: column; }
.diff { display: grid; grid-template-columns: 56px 1fr; gap: 24px; padding: 34px 0; border-top: 1px solid var(--line); align-items: baseline; }
.diff:last-child { border-bottom: 1px solid var(--line); }
.diff .num { font-family: var(--mono); font-size: 13px; color: var(--gold); }
.diff h4 { font-family: var(--display); font-weight: 500; font-size: 24px; letter-spacing: -0.01em; margin-bottom: 8px; }
.diff p { color: var(--paper-dim); font-size: 16px; }
@media (max-width: 900px) { .why-grid { grid-template-columns: 1fr; gap: 40px; } }

/* ---------- work / cases ---------- */
.work-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.case { border: 1px solid var(--line); padding: 34px 30px 30px; transition: border-color 0.35s, transform 0.35s; background: var(--ink); display: flex; flex-direction: column; min-height: 280px; }
.case:hover { border-color: var(--line-2); transform: translateY(-4px); }
.case .tag { font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--paper-faint); }
.case h4 { font-family: var(--display); font-weight: 400; font-size: 25px; line-height: 1.15; letter-spacing: -0.01em; margin: 20px 0 auto; }
.case h4 b { color: var(--gold); font-weight: 500; }
.case .foot { margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--line); display: flex; gap: 8px; flex-wrap: wrap; }
.chip { font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em; color: var(--paper-dim); border: 1px solid var(--line-2); padding: 4px 10px; border-radius: 2px; }
@media (max-width: 900px) { .work-grid { grid-template-columns: 1fr; } }

/* ---------- process ---------- */
.proc-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.step { background: var(--ink); padding: 40px 32px 44px; position: relative; }
.step .st-n { font-family: var(--display); font-size: 52px; font-weight: 300; color: var(--ink-3); -webkit-text-stroke: 1px var(--line-2); line-height: 1; }
.step h4 { font-family: var(--display); font-weight: 500; font-size: 23px; margin: 20px 0 12px; }
.step p { color: var(--paper-dim); font-size: 15px; line-height: 1.55; }
@media (max-width: 900px) { .proc-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .proc-grid { grid-template-columns: 1fr; } }

/* ---------- cta band ---------- */
.cta-band { position: relative; padding: 150px 0; text-align: center; overflow: hidden; border-top: 1px solid var(--line); }
.cta-band .hero-glow { left: 50%; top: 40%; transform: translate(-50%,-50%); right: auto; opacity: 0.7; }
.cta-band h2 { font-family: var(--display); font-weight: 400; font-size: clamp(40px, 6vw, 82px); line-height: 1; letter-spacing: -0.03em; position: relative; z-index: 2; }
.cta-band h2 em { font-style: italic; color: var(--gold); font-weight: 300; }
.cta-band p { color: var(--paper-dim); font-size: 20px; margin: 26px auto 40px; max-width: 46ch; position: relative; z-index: 2; }
.cta-band .hero-cta { justify-content: center; position: relative; z-index: 2; }

/* ---------- footer ---------- */
footer { border-top: 1px solid var(--line); background: var(--ink-2); padding: 80px 0 40px; }
.foot-top { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 60px; border-bottom: 1px solid var(--line); }
.foot-brand .logo { margin-bottom: 20px; }
.foot-brand p { color: var(--paper-dim); font-size: 15px; max-width: 34ch; }
.foot-col h5 { font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--paper-faint); margin-bottom: 20px; }
.foot-col a { display: block; color: var(--paper-dim); font-size: 15px; padding: 7px 0; transition: color 0.25s; }
.foot-col a:hover { color: var(--gold); }
.foot-bot { display: flex; justify-content: space-between; padding-top: 30px; color: var(--paper-faint); font-family: var(--mono); font-size: 12px; letter-spacing: 0.05em; flex-wrap: wrap; gap: 14px; }
@media (max-width: 820px) { .foot-top { grid-template-columns: 1fr 1fr; } }

/* ============================================================
   SERVICE PAGE STYLES
   ============================================================ */

/* service hero */
.svc-hero { position: relative; padding: 176px 0 96px; overflow: hidden; border-bottom: 1px solid var(--line); }
.svc-hero-inner { position: relative; z-index: 2; max-width: 68ch; }
.breadcrumb { font-family: var(--mono); font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--paper-faint); margin-bottom: 30px; display: flex; gap: 12px; align-items: center; }
.breadcrumb a { color: var(--paper-faint); transition: color 0.25s; }
.breadcrumb a:hover { color: var(--gold); }
.breadcrumb .sep { color: var(--line-2); }
.breadcrumb .here { color: var(--gold); }
.svc-hero h1 {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(42px, 6vw, 80px);
  line-height: 1.0;
  letter-spacing: -0.03em;
  margin: 22px 0 0;
  max-width: 18ch;
}
.svc-hero h1 em { font-style: italic; color: var(--gold); font-weight: 300; }
.svc-hero p.lede { max-width: 56ch; font-size: 20px; line-height: 1.55; color: var(--paper-dim); margin: 30px 0 40px; }
.svc-watermark {
  position: absolute;
  right: 4%;
  top: 40%;
  transform: translateY(-50%);
  font-family: var(--display);
  font-weight: 300;
  font-size: 34vw;
  line-height: 0.7;
  color: transparent;
  -webkit-text-stroke: 1px var(--line);
  z-index: 1;
  pointer-events: none;
  user-select: none;
}
@media (max-width: 900px) { .svc-watermark { display: none; } }

/* deliver list */
.deliver { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 70px; align-items: start; }
.deliver-rows { border-top: 1px solid var(--line); }
.d-row {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 22px;
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
  transition: padding-left 0.3s ease;
}
.d-row:hover { padding-left: 10px; }
.d-row .mk { font-family: var(--mono); font-size: 13px; color: var(--gold); }
.d-row h4 { font-family: var(--display); font-weight: 500; font-size: 23px; letter-spacing: -0.01em; margin-bottom: 8px; }
.d-row p { color: var(--paper-dim); font-size: 16px; line-height: 1.55; }
@media (max-width: 900px) { .deliver { grid-template-columns: 1fr; gap: 34px; } }

/* stance block */
.stance-inner { max-width: 74ch; }
.stance p.big {
  font-family: var(--display);
  font-weight: 300;
  font-size: clamp(26px, 3.4vw, 40px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--paper);
}
.stance p.big b { color: var(--gold); font-weight: 400; font-style: italic; }

/* engagement models */
.models { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.model { background: var(--ink); padding: 40px 34px; transition: background 0.35s; }
.model:hover { background: var(--ink-2); }
.model .mn { font-family: var(--mono); font-size: 12px; color: var(--gold); letter-spacing: 0.1em; }
.model h4 { font-family: var(--display); font-weight: 500; font-size: 24px; margin: 18px 0 10px; letter-spacing: -0.01em; }
.model p { color: var(--paper-dim); font-size: 15px; line-height: 1.55; }
@media (max-width: 820px) { .models { grid-template-columns: 1fr; } }

/* ---------- contact / form ---------- */
.contact { position: relative; padding: 130px 0; overflow: hidden; border-top: 1px solid var(--line); background: var(--ink-2); }
.contact .hero-glow { left: 8%; top: 22%; right: auto; opacity: 0.7; }
.contact-grid { position: relative; z-index: 2; display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 72px; align-items: start; }
.contact-intro h2 { font-family: var(--display); font-weight: 400; font-size: clamp(36px, 4.8vw, 62px); line-height: 1.0; letter-spacing: -0.02em; margin: 24px 0 22px; }
.contact-intro h2 em { font-style: italic; color: var(--gold); font-weight: 300; }
.contact-intro p { color: var(--paper-dim); font-size: 19px; line-height: 1.55; max-width: 44ch; }
.contact-points { list-style: none; margin-top: 40px; border-top: 1px solid var(--line); }
.contact-points li { display: flex; gap: 20px; align-items: baseline; padding: 15px 0; border-bottom: 1px solid var(--line); }
.contact-points .cp-k { font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--paper-faint); width: 92px; flex: none; }
.contact-points a, .contact-points li > span:last-child { color: var(--paper); font-size: 15px; transition: color 0.25s; }
.contact-points a:hover { color: var(--gold); }

.form-card { background: var(--ink); border: 1px solid var(--line-2); border-radius: 3px; padding: 40px; }
.fields { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.field { display: flex; flex-direction: column; gap: 9px; }
.field-full { grid-column: 1 / -1; }
.field label { font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--paper-dim); }
.field label .req { color: var(--gold); }
.field input, .field select, .field textarea {
  font-family: var(--body); font-size: 16px; color: var(--paper);
  background: var(--ink-2); border: 1px solid var(--line-2); border-radius: 2px;
  padding: 13px 14px; width: 100%; transition: border-color 0.25s ease, background 0.25s ease;
}
.field textarea { resize: vertical; min-height: 132px; line-height: 1.5; }
.field input::placeholder, .field textarea::placeholder { color: var(--paper-faint); }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--gold); background: var(--ink-3); }
.field select {
  appearance: none; -webkit-appearance: none; cursor: pointer; padding-right: 40px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23a5a294' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center;
}
.field select option { color: var(--ink); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.form-foot { display: flex; align-items: center; gap: 22px; margin-top: 28px; flex-wrap: wrap; }
.form-foot .btn[disabled] { opacity: 0.55; cursor: not-allowed; transform: none; }
.form-status { font-family: var(--mono); font-size: 13px; line-height: 1.4; letter-spacing: 0.01em; margin: 0; }
.form-status.ok { color: var(--gold); }
.form-status.err { color: #e5765a; }
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; gap: 44px; } }
@media (max-width: 560px) { .contact { padding: 90px 0; } .fields { grid-template-columns: 1fr; } .form-card { padding: 28px 22px; } }

/* cross-links to other services */
.cross { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.cross-card { border: 1px solid var(--line); padding: 30px 28px; transition: border-color 0.35s, transform 0.35s, background 0.35s; background: var(--ink); }
.cross-card:hover { border-color: var(--line-2); background: var(--ink-2); transform: translateY(-4px); }
.cross-card .cn { font-family: var(--mono); font-size: 12px; color: var(--gold); letter-spacing: 0.1em; }
.cross-card h4 { font-family: var(--display); font-weight: 500; font-size: 22px; margin: 16px 0 20px; letter-spacing: -0.01em; }
.cross-card .go { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--paper-faint); display: inline-flex; gap: 10px; transition: color 0.3s, gap 0.3s; }
.cross-card:hover .go { color: var(--gold); gap: 16px; }
@media (max-width: 820px) { .cross { grid-template-columns: 1fr; } }