/* ============================================
   HILFLO — Design tokens
   ============================================ */
:root{
  /* color */
  --ink:        #15120E;
  --ink-soft:   #1E1A14;
  --ink-line:   rgba(243,236,223,0.12);
  --bone:       #F3ECDF;
  --bone-dim:   #C9C0AE;
  --brass:      #C9A24B;
  --brass-soft: #E0C27D;
  --moss:       #707A56;
  --clay:       #A85C3E;

  /* type */
  --f-display: "Fraunces", "Georgia", serif;
  --f-body: "Hanken Grotesk", "Segoe UI", sans-serif;
  --f-mono: "IBM Plex Mono", "Courier New", monospace;

  /* scale */
  --container: 1180px;
  --radius: 4px;
  --radius-lg: 10px;

  /* motion */
  --ease: cubic-bezier(.22,.61,.36,1);
  --dur: 220ms;
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

/* ============================================
   Reset
   ============================================ */
*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--bone);
  color: var(--ink);
  font-family: var(--f-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
ul{ margin:0; padding:0; list-style:none; }
a{ color:inherit; text-decoration:none; }
h1,h2,h3,h4{ font-family: var(--f-display); margin:0; font-weight:600; letter-spacing:-0.01em; }
p{ margin:0; }
button{ font-family:inherit; cursor:pointer; }
input,textarea{ font-family:inherit; font-size:1rem; }

.wrap{
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

:focus-visible{
  outline: 2px solid var(--brass);
  outline-offset: 3px;
  border-radius: 2px;
}

.skip-link{
  position:absolute; left:-9999px; top:0;
  background: var(--brass); color: var(--ink);
  padding: 10px 16px; z-index: 1000; font-family: var(--f-mono); font-size: .85rem;
}
.skip-link:focus{ left: 12px; top: 12px; }

.eyebrow{
  font-family: var(--f-mono);
  font-size: .78rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--clay);
  margin: 0 0 14px;
}

/* ============================================
   Buttons
   ============================================ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding: 14px 26px;
  border-radius: var(--radius);
  font-weight:600;
  font-size: .95rem;
  border: 1.5px solid transparent;
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
  min-height: 44px;
  white-space: nowrap;
}
.btn-primary{
  background: var(--ink);
  color: var(--bone);
}
.btn-primary:hover{ background: var(--clay); transform: translateY(-1px); }
.btn-ghost{
  border-color: var(--ink);
  color: var(--ink);
}
.btn-ghost:hover{ background: var(--ink); color: var(--bone); }
.btn-small{ padding: 10px 18px; font-size: .85rem; }
.btn-large{ padding: 17px 34px; font-size: 1rem; }
.btn-full{ width:100%; }

/* ============================================
   Header
   ============================================ */
.site-header{
  position: sticky;
  top:0;
  z-index: 500;
  background: rgba(243,236,223,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(21,18,14,0.1);
}
.header-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height: 76px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-family: var(--f-display);
  font-size: 1.4rem;
  font-weight:700;
}
.brand-mark{
  width:14px; height:14px;
  background: var(--clay);
  border-radius: 2px;
  display:inline-block;
}
.main-nav ul{
  display:flex;
  gap: 34px;
}
.main-nav a{
  font-size: .95rem;
  font-weight:600;
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.main-nav a:hover{ border-color: var(--clay); }

.header-actions{ display:flex; align-items:center; gap:14px; }

.nav-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:44px; height:44px;
  background:transparent;
  border:1.5px solid var(--ink);
  border-radius: var(--radius);
}
.nav-toggle span{
  display:block; height:2px; width:20px; margin:0 auto;
  background: var(--ink);
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

/* ============================================
   Hero
   ============================================ */
.hero{
  background: var(--ink);
  color: var(--bone);
  padding: 86px 0 70px;
}
.hero-grid{
  display:grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items:center;
}
.hero .eyebrow{ color: var(--brass-soft); }
.hero h1{
  font-size: clamp(2.1rem, 5.4vw, 3.4rem);
  line-height: 1.08;
  color: var(--bone);
  max-width: 14ch;
}
.hero-lede{
  margin-top: 22px;
  font-size: 1.08rem;
  color: var(--bone-dim);
  max-width: 46ch;
  line-height:1.65;
}
.hero-actions{
  margin-top: 32px;
  display:flex;
  gap: 16px;
  flex-wrap:wrap;
}
.hero .btn-primary{ background: var(--brass); color: var(--ink); }
.hero .btn-primary:hover{ background: var(--brass-soft); }
.hero .btn-ghost{ border-color: rgba(243,236,223,0.4); color: var(--bone); }
.hero .btn-ghost:hover{ background: var(--bone); color: var(--ink); border-color: var(--bone); }

/* Signature swatch ledger */
.swatch-ledger{
  display:flex;
  flex-direction:column;
  gap: 1px;
  background: var(--ink-line);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius-lg);
  overflow:hidden;
}
.swatch{
  display:flex;
  align-items:center;
  gap: 16px;
  padding: 18px 22px;
  background: var(--ink-soft);
}
.chip{
  width: 30px; height: 30px;
  border-radius: 3px;
  flex-shrink:0;
}
.chip-brass{ background: var(--brass); }
.chip-moss{ background: var(--moss); }
.chip-clay{ background: var(--clay); }
.chip-bone{ background: var(--bone); }
.swatch-label{
  font-family: var(--f-mono);
  font-size: .92rem;
  letter-spacing: .02em;
  color: var(--bone);
}

/* ============================================
   Industry strip
   ============================================ */
.industry-strip{
  background: var(--bone);
  border-bottom: 1px solid rgba(21,18,14,0.1);
  padding: 26px 0;
}
.strip-label{
  font-family: var(--f-mono);
  font-size: .72rem;
  letter-spacing: .12em;
  text-transform:uppercase;
  color: var(--bone-dim);
  margin-bottom: 14px;
}
.strip-list{
  display:flex;
  flex-wrap:wrap;
  gap: 12px 28px;
}
.strip-list li{
  font-family: var(--f-display);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--ink);
  opacity:.8;
}

/* ============================================
   Sections (generic)
   ============================================ */
.section{ padding: 96px 0; }
.section-alt{ background: #EAE3D3; }
.section-head{ max-width: 640px; margin-bottom: 56px; }
.section-head h2{
  font-size: clamp(1.8rem, 3.6vw, 2.5rem);
  line-height: 1.15;
}
.section-sub{
  margin-top: 16px;
  font-size: 1.05rem;
  color: #4A4538;
  line-height:1.65;
}

/* ============================================
   Services cards
   ============================================ */
.card-grid{
  display:grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: rgba(21,18,14,0.12);
  border: 1px solid rgba(21,18,14,0.12);
}
.service-card{
  background: var(--bone);
  padding: 36px 30px;
  position:relative;
  transition: background var(--dur) var(--ease);
}
.service-card:hover{ background: #EAE3D3; }
.card-index{
  position:absolute;
  top: 28px; right: 28px;
  font-family: var(--f-mono);
  font-size: .8rem;
  color: var(--bone-dim);
}
.card-icon{
  width: 46px; height: 46px;
  border-radius: 50%;
  border: 1.5px solid var(--clay);
  display:flex; align-items:center; justify-content:center;
  color: var(--clay);
  margin-bottom: 22px;
}
.card-icon svg{ width: 22px; height: 22px; }
.service-card h3{
  font-size: 1.22rem;
  margin-bottom: 10px;
}
.service-card p{
  color:#4A4538;
  line-height:1.6;
}

/* ============================================
   Process
   ============================================ */
.process-list{
  display:flex;
  flex-direction:column;
}
.process-step{
  display:grid;
  grid-template-columns: 70px 1fr;
  gap: 24px;
  padding: 28px 0;
  border-top: 1px solid rgba(21,18,14,0.14);
  align-items:start;
}
.process-step:last-child{ border-bottom: 1px solid rgba(21,18,14,0.14); }
.step-num{
  font-family: var(--f-mono);
  font-size: 1.1rem;
  color: var(--clay);
  padding-top: 4px;
}
.step-body h3{
  font-size: 1.25rem;
  margin-bottom: 8px;
}
.step-body p{
  color:#4A4538;
  max-width: 60ch;
  line-height:1.6;
}

/* ============================================
   Why / differentiators
   ============================================ */
.why-grid{
  display:grid;
  grid-template-columns: 1fr;
  gap: 48px;
}
.why-copy p{
  color:#4A4538;
  font-size: 1.05rem;
  line-height:1.7;
  margin-top: 16px;
}
.why-copy h2{
  font-size: clamp(1.8rem, 3.6vw, 2.4rem);
  line-height:1.15;
}
.diff-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: rgba(21,18,14,0.12);
  border: 1px solid rgba(21,18,14,0.12);
}
.diff-card{
  background: var(--bone);
  padding: 26px;
}
.diff-card .chip{ width:22px; height:22px; margin-bottom: 16px; }
.diff-card h3{ font-size: 1.05rem; margin-bottom: 8px; }
.diff-card p{ color:#4A4538; font-size: .95rem; line-height:1.55; }

/* ============================================
   CTA band
   ============================================ */
.cta-band{
  background: var(--ink);
  color: var(--bone);
  padding: 78px 0;
}
.cta-band-inner{
  text-align:center;
  max-width: 620px;
  margin:0 auto;
}
.cta-band h2{
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  color: var(--bone);
}
.cta-band p{
  margin-top: 16px;
  color: var(--bone-dim);
  font-size: 1.05rem;
}
.cta-band .btn-large{ margin-top: 30px; background: var(--brass); color: var(--ink); }
.cta-band .btn-large:hover{ background: var(--brass-soft); }

/* ============================================
   Contact
   ============================================ */
.contact-grid{
  display:grid;
  grid-template-columns: 1fr;
  gap: 56px;
}
.info-list{ margin-top: 36px; }
.info-row{
  display:flex;
  flex-direction:column;
  gap:4px;
  padding: 16px 0;
  border-top: 1px solid rgba(21,18,14,0.14);
}
.info-row dt{
  font-family: var(--f-mono);
  font-size: .72rem;
  letter-spacing:.1em;
  text-transform:uppercase;
  color: var(--bone-dim);
}
.info-row dd{
  margin:0;
  font-size: 1.05rem;
}
.info-row a:hover{ color: var(--clay); }

.contact-form{
  background: var(--ink-soft);
  background: #EAE3D3;
  padding: 36px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(21,18,14,0.12);
}
.form-row{ margin-bottom: 18px; }
.form-row label{
  display:block;
  font-family: var(--f-mono);
  font-size: .78rem;
  letter-spacing:.04em;
  margin-bottom: 8px;
  color:#4A4538;
}
.form-row input,
.form-row textarea{
  width:100%;
  padding: 13px 14px;
  border: 1.5px solid rgba(21,18,14,0.25);
  border-radius: var(--radius);
  background: var(--bone);
  color: var(--ink);
  min-height:44px;
  transition: border-color var(--dur) var(--ease);
}
.form-row textarea{ min-height:110px; resize:vertical; }
.form-row input:focus,
.form-row textarea:focus{ border-color: var(--clay); }
.form-note{
  margin-top: 14px;
  font-size: .9rem;
  font-family: var(--f-mono);
  color: var(--moss);
  min-height: 1.2em;
}

/* ============================================
   Footer
   ============================================ */
.site-footer{
  background: var(--ink);
  color: var(--bone-dim);
  padding: 64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 50px;
}
.footer-brand .brand{ color: var(--bone); margin-bottom: 16px; }
.footer-brand p{ font-size: .92rem; line-height:1.6; max-width: 32ch; }
.footer-col h4{
  font-family: var(--f-mono);
  font-size: .78rem;
  letter-spacing:.1em;
  text-transform:uppercase;
  color: var(--bone);
  margin-bottom: 18px;
  font-weight:500;
}
.footer-col ul{ display:flex; flex-direction:column; gap: 12px; }
.footer-col a:hover{ color: var(--brass); }
.footer-contact li{ font-size: .92rem; line-height:1.5; }

.footer-bottom{
  border-top: 1px solid rgba(243,236,223,0.12);
  padding: 22px 0 28px;
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap: 10px;
  font-size: .82rem;
}
.footer-bottom-sub{ color: rgba(201,192,174,0.7); }

/* ============================================
   Responsive
   ============================================ */
@media (min-width: 760px){
  .hero-grid{ grid-template-columns: 1.15fr .85fr; }
  .card-grid{ grid-template-columns: repeat(2, 1fr); }
  .why-grid{ grid-template-columns: .9fr 1.1fr; }
  .process-step{ grid-template-columns: 90px 1fr; }
}

@media (min-width: 980px){
  .card-grid{ grid-template-columns: repeat(4, 1fr); }
  .contact-grid{ grid-template-columns: 1fr 1fr; }
}

@media (max-width: 759px){
  .main-nav{
    position:absolute;
    top: 76px; left:0; right:0;
    background: var(--bone);
    border-bottom: 1px solid rgba(21,18,14,0.12);
    max-height:0;
    overflow:hidden;
    transition: max-height var(--dur) var(--ease);
  }
  .main-nav.open{ max-height: 320px; }
  .main-nav ul{ flex-direction:column; gap:0; padding: 8px 24px 18px; }
  .main-nav a{ display:block; padding: 14px 0; border-bottom: 1px solid rgba(21,18,14,0.08); }
  .header-actions .btn-small{ display:none; }
  .nav-toggle{ display:flex; }
  .footer-grid{ grid-template-columns: 1fr 1fr; }
  .footer-brand{ grid-column: 1 / -1; }
}

@media (max-width: 480px){
  .footer-grid{ grid-template-columns: 1fr; }
}