/* ============================================================
   SanVia Ventures — Design tokens
   ============================================================ */
:root{
  --ink:        #12181F;
  --ink-soft:   #1B2330;
  --parchment:  #EDE4D0;
  --parchment-deep: #E3D6BA;
  --parchment-line: rgba(18,24,31,0.12);
  --cream:      #F3ECDC;
  --cream-soft: rgba(243,236,220,0.72);
  --brass:      #A6793B;
  --brass-light:#C9A466;
  --slate:      #4B5563;
  --slate-soft: #6B7280;

  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", Menlo, monospace;

  --max-width: 1180px;
  --gutter: clamp(1.25rem, 4vw, 3rem);

  --ease: cubic-bezier(.22,.61,.36,1);
}

/* ============================================================
   Reset
   ============================================================ */
*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *, *::before, *::after{ animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}
body{
  margin: 0;
  background: var(--parchment);
  color: var(--slate);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3{
  font-family: var(--font-display);
  color: var(--ink);
  margin: 0;
  font-weight: 500;
  letter-spacing: -0.01em;
}
p{ margin: 0; }
ul, ol{ margin: 0; padding: 0; list-style: none; }
a{ color: inherit; text-decoration: none; }
img{ max-width: 100%; display: block; }
button{ font: inherit; background: none; border: 0; cursor: pointer; }

.wrap{
  max-width: var(--max-width);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.skip-link{
  position: absolute; left: -9999px; top: 0;
  background: var(--ink); color: var(--cream);
  padding: 0.75rem 1.25rem; z-index: 200;
}
.skip-link:focus{ left: var(--gutter); top: 0.5rem; }

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

/* ============================================================
   Buttons
   ============================================================ */
.btn{
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.95rem 1.6rem;
  border-radius: 2px;
  border: 1px solid transparent;
  transition: transform 0.25s var(--ease), background-color 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
  white-space: nowrap;
}
.btn-primary{
  background: var(--brass);
  color: var(--ink);
}
.btn-primary:hover{ background: var(--brass-light); transform: translateY(-1px); }

.btn-ghost{
  border-color: var(--ink);
  color: var(--ink);
}
.btn-ghost:hover{ background: var(--ink); color: var(--cream); }

.btn-text{
  padding: 0.95rem 0;
  color: var(--cream);
  border-bottom: 1px solid rgba(243,236,220,0.35);
  border-radius: 0;
}
.btn-text:hover{ border-color: var(--brass-light); color: var(--brass-light); }
.btn-arrow{ display: inline-block; transition: transform 0.25s var(--ease); }
.btn-text:hover .btn-arrow{ transform: translateX(3px); }

/* ============================================================
   Header / Nav
   ============================================================ */
.site-header{
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(237,228,208,0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--parchment-line);
}
.header-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 1.5rem;
}
.wordmark{
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.01em;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}
.wordmark-mark{
  display: block;
  width: 34px;
  height: auto;
}
.wordmark span{ color: var(--brass); font-style: italic; }

.primary-nav{
  display: flex;
  gap: clamp(1.25rem, 2.5vw, 2.25rem);
  margin-left: auto;
  margin-right: 2rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.primary-nav a{
  position: relative;
  padding: 0.35rem 0;
  color: var(--slate);
  transition: color 0.2s var(--ease);
}
.primary-nav a::after{
  content: "";
  position: absolute; left: 0; right: 100%; bottom: 0;
  height: 1px; background: var(--brass);
  transition: right 0.25s var(--ease);
}
.primary-nav a:hover{ color: var(--ink); }
.primary-nav a:hover::after{ right: 0; }

.header-cta{ flex-shrink: 0; }

.nav-toggle{
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}
.nav-toggle span{
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--ink);
  transition: transform 0.25s var(--ease), opacity 0.25s var(--ease);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){ transform: translateY(6.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2){ opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3){ transform: translateY(-6.5px) rotate(-45deg); }

/* ============================================================
   Hero
   ============================================================ */
.hero{
  position: relative;
  background: var(--ink);
  overflow: hidden;
  padding: clamp(4.5rem, 12vw, 8.5rem) 0 clamp(4rem, 10vw, 7rem);
}
.hero-bg{
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.55;
}
.topo{
  width: 100%;
  height: 100%;
}
.topo path{
  fill: none;
  stroke: var(--brass);
  stroke-width: 1;
  opacity: 0.45;
}
.topo path:nth-child(2){ opacity: 0.32; }
.topo path:nth-child(3){ opacity: 0.22; }
.topo path:nth-child(4){ opacity: 0.3; }
.topo path:nth-child(5){ opacity: 0.18; }

.hero-inner{
  position: relative;
  z-index: 1;
}
.eyebrow{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brass-light);
  margin-bottom: 1.25rem;
}
.eyebrow-dark{ color: var(--brass); }

.hero h1{
  font-size: clamp(1.5rem, 4.4vw, 3.6rem);
  line-height: 1.12;
  color: var(--cream);
}
.hero h1 em{ color: var(--brass-light); font-style: italic; }
.hero-title-nowrap{
  max-width: 720px;
  text-wrap: balance;
}

.hero-lede{
  margin-top: 1.75rem;
  max-width: 54ch;
  font-size: clamp(1rem, 1.4vw, 1.1rem);
  color: rgba(243,236,220,0.78);
  line-height: 1.7;
}
.hero-actions{
  margin-top: 2.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 2rem;
}

/* ============================================================
   Sections — shared
   ============================================================ */
.section{
  padding: clamp(4rem, 9vw, 6.5rem) 0;
  border-bottom: 1px solid var(--parchment-line);
}
.section-ink{
  background: var(--ink);
  border-bottom-color: rgba(243,236,220,0.08);
}
.section-parchment-deep{
  background: var(--parchment-deep);
}
.section-title{
  font-size: clamp(1.6rem, 3.4vw, 2.35rem);
  max-width: 20ch;
  margin-top: 0.5rem;
}
.section-title-nowrap{ max-width: none; }
@media (min-width: 480px){
  .section-title-nowrap{ white-space: nowrap; }
}
.process-title-fit{
  font-size: clamp(1.15rem, 3.4vw, 2.35rem);
}
.section-title-light{ color: var(--cream); }
.section-lede{
  margin-top: 1.25rem;
  max-width: 62ch;
  font-size: clamp(1rem, 1.3vw, 1.05rem);
  color: var(--slate);
}
.section-lede-light{ color: rgba(243,236,220,0.72); }

/* ============================================================
   Strategy — diff grid
   ============================================================ */
.diff-grid{
  margin-top: 3rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem 3rem;
}
.diff-item{
  padding-top: 1.4rem;
  border-top: 1px solid var(--parchment-line);
}
.diff-label{
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  color: var(--ink);
  font-weight: 500;
  margin-bottom: 0.6rem;
}
.diff-text{
  font-size: 0.98rem;
  color: var(--slate);
}

/* ============================================================
   Operators
   ============================================================ */
.operators-grid{
  margin-top: 3rem;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 2.5rem;
}
.operator-divider{
  width: 1px;
  background: rgba(243,236,220,0.14);
}
.operator-mark{
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid var(--brass);
  color: var(--brass-light);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}
.operator-card h3{
  color: var(--cream);
  font-size: 1.3rem;
  margin-bottom: 0.3rem;
}
.operator-role{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--brass);
  margin-bottom: 1.1rem;
}
.operator-card p:not(.operator-role){
  color: rgba(243,236,220,0.72);
  font-size: 0.98rem;
}
.operators-together{
  margin-top: 3rem;
  padding-top: 2.5rem;
  border-top: 1px solid rgba(243,236,220,0.14);
  max-width: 72ch;
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.05rem, 1.8vw, 1.3rem);
  color: var(--cream);
  line-height: 1.6;
}

/* ============================================================
   Process
   ============================================================ */
.process-list{
  margin-top: 3rem;
  display: flex;
  flex-direction: column;
}
.process-list li{
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: 1.5rem;
  padding: 1.75rem 0;
  border-top: 1px solid var(--parchment-line);
}
.process-list li:last-child{ border-bottom: 1px solid var(--parchment-line); }
.process-index{
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--brass);
}
.process-title{
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--ink);
  margin-bottom: 0.5rem;
}
.process-text{
  max-width: 60ch;
  font-size: 0.98rem;
}

/* ============================================================
   Criteria
   ============================================================ */
.criteria-grid{
  margin-top: 3rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.criteria-card{
  background: var(--parchment);
  border: 1px solid var(--parchment-line);
  padding: 1.75rem 1.75rem 2rem;
}
.criteria-label{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--brass);
  margin-bottom: 1.1rem;
}
.criteria-card ul li{
  font-size: 0.95rem;
  color: var(--slate);
  padding: 0.6rem 0;
  border-top: 1px solid var(--parchment-line);
}
.criteria-card ul li:first-child{ border-top: none; }
.criteria-figures li{
  display: flex;
  flex-direction: column;
}
.criteria-figures li span{
  font-family: var(--font-mono);
  font-size: 1.15rem;
  color: var(--ink);
  margin-bottom: 0.15rem;
}

/* ============================================================
   Contact
   ============================================================ */
.contact-wrap{
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 3rem;
  align-items: start;
}
.contact-intro .btn{ margin-top: 2.25rem; }
.contact-details{
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  padding-top: 0.5rem;
}
.contact-item{
  padding-bottom: 1.75rem;
  border-bottom: 1px solid rgba(243,236,220,0.14);
}
.contact-item:last-child{ border-bottom: none; padding-bottom: 0; }
.contact-label{
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--brass);
  margin-bottom: 0.5rem;
}
.contact-item a{
  color: var(--cream);
  font-size: 1.05rem;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}
.contact-item a:hover{ color: var(--brass-light); border-color: var(--brass-light); }

/* ============================================================
   Footer
   ============================================================ */
.site-footer{
  background: var(--ink);
  padding: 1.75rem 0 2.25rem;
}
.footer-inner{
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: rgba(243,236,220,0.5);
}
.footer-brand{
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}
.footer-mark{
  display: block;
  width: 18px;
  height: auto;
  opacity: 0.85;
}
.footer-inner a{ color: rgba(243,236,220,0.5); }
.footer-inner a:hover{ color: var(--brass-light); }

/* ============================================================
   Scroll reveal
   ============================================================ */
.reveal{
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.is-visible{
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 900px){
  .diff-grid{ grid-template-columns: 1fr; gap: 2rem; }
  .operators-grid{ grid-template-columns: 1fr; }
  .operator-divider{ display: none; }
  .criteria-grid{ grid-template-columns: 1fr; }
  .contact-wrap{ grid-template-columns: 1fr; }
}

@media (max-width: 760px){
  .primary-nav{
    position: fixed;
    inset: 76px 0 0 0;
    flex-direction: column;
    background: var(--parchment);
    padding: 2.5rem var(--gutter);
    gap: 1.75rem;
    font-size: 1rem;
    transform: translateX(100%);
    transition: transform 0.3s var(--ease);
    margin: 0;
  }
  .primary-nav.is-open{ transform: translateX(0); }
  .header-cta{ display: none; }
  .nav-toggle{ display: flex; }

  .process-list li{ grid-template-columns: 1fr; gap: 0.5rem; }
}

@media (max-width: 520px){
  .hero-actions{ flex-direction: column; align-items: flex-start; }
}