/* ===========================================================
   HomeEQ — Design tokens
   Palette restricted to: black, charcoal, white (+ their tints)
   =========================================================== */
:root{
  --black: #0B0B0B;
  --charcoal: #2A2A2A;
  --charcoal-mid: #5A5A5A;
  --grey: #9C9C9C;
  --white: #FFFFFF;
  --off-white: #F5F5F4;
  --line-on-light: rgba(11,11,11,0.12);
  --line-on-dark: rgba(255,255,255,0.16);

  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'IBM Plex Mono', 'Courier New', monospace;

  --max-w: 1200px;
  --edge: 6vw;
  --pad-y: clamp(48px, 7vw, 96px);
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--white);
  color: var(--black);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
h1,h2,h3{
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: -0.01em;
  margin: 0;
}
p{ margin: 0; }
a{ color: inherit; text-decoration: none; }
ul{ margin:0; padding:0; list-style:none; }
img{ display:block; max-width:100%; }
button{ font-family: inherit; }

.mono{
  font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.06em;
  font-size: 0.72rem; font-weight: 400;
}

.grid-overlay{
  position: fixed; inset: 0; pointer-events: none; z-index: 1;
  background-image:
    linear-gradient(to right, rgba(140,140,140,0.09) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(140,140,140,0.09) 1px, transparent 1px);
  background-size: 44px 44px;
}

.skip-link{
  position:absolute; left:-999px; top:0; background:var(--white); color:var(--black);
  padding:12px 18px; z-index:200;
}
.skip-link:focus{ left: 12px; top: 12px; }

:focus-visible{ outline: 2px solid currentColor; outline-offset: 3px; }

@media (prefers-reduced-motion: reduce){
  *{ animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

/* ===========================================================
   Header
   =========================================================== */
.site-header{
  position: fixed; top:0; left:0; right:0; z-index: 100;
  display:flex; align-items:center; justify-content:space-between;
  mix-blend-mode: difference;
}
.header-inner{
  width:100%; display:flex; align-items:center; justify-content:space-between;
  padding: 28px var(--edge);
}
.logo{
  font-family: var(--font-display); font-size: 1.3rem; color: var(--white); letter-spacing: -0.01em;
}
.menu-btn{
  display:flex; align-items:center; gap: 14px;
  background:none; border:none; color: var(--white); cursor:pointer;
  font-size: 0.85rem; letter-spacing: 0.08em; text-transform: uppercase;
}
.menu-btn-icon{ display:flex; flex-direction:column; gap:5px; }
.menu-btn-icon span{ width:22px; height:1px; background: var(--white); display:block; transition: transform .3s ease, opacity .3s ease; }
.menu-btn[aria-expanded="true"] .menu-btn-icon span:first-child{ transform: translateY(3px) rotate(45deg); }
.menu-btn[aria-expanded="true"] .menu-btn-icon span:last-child{ transform: translateY(-3px) rotate(-45deg); }

/* ===========================================================
   Fullscreen menu overlay
   =========================================================== */
.site-menu{
  position: fixed; inset: 0; z-index: 90;
  background: var(--black); color: var(--white);
  display:block;
  opacity: 0; visibility: hidden; transform: translateY(-12px);
  transition: opacity .35s ease, transform .35s ease, visibility 0s linear .35s;
  overflow-y: auto;
}
.site-menu.open{
  opacity: 1; visibility: visible; transform: translateY(0);
  transition: opacity .35s ease, transform .35s ease;
}
.site-menu-inner{
  width: 100%; max-width: 620px; margin: 0 auto;
  padding: 140px var(--edge) 60px;
  display:flex; flex-direction:column; gap: 36px;
  min-height: 100%;
}
.menu-list{ display:flex; flex-direction:column; list-style:none; }
.menu-list > li{ border-top: 1px solid var(--line-on-dark); padding: 12px 0; }
.menu-list > li:last-child{ border-bottom: 1px solid var(--line-on-dark); }
.menu-list > li > a, .menu-soon-parent{
  font-family: var(--font-display); font-size: clamp(1.05rem, 2vw, 1.4rem); font-weight: 400;
  display:inline-block; color: var(--white);
}
.menu-list > li > a{ transition: opacity .2s ease; }
.menu-list > li > a:hover{ opacity: 0.6; }
.menu-soon-parent{ color: var(--grey); }
.menu-group ul{ display:flex; flex-wrap:wrap; gap: 8px 18px; margin-top: 10px; }
.menu-group ul a, .menu-soon{
  font-family: var(--font-mono); font-size: 0.72rem; color: var(--grey); text-transform: uppercase; letter-spacing: 0.05em;
}
.menu-group ul a:hover{ color: var(--white); }
.menu-soon em{ font-style: normal; font-size: 0.65rem; opacity: 0.6; margin-left: 4px; }
.site-menu-foot p{ color: var(--grey); font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.04em; text-transform: uppercase; }

/* ===========================================================
   Section framework
   =========================================================== */
.section{ padding: var(--pad-y) 0; border-top: 1px solid var(--line-on-light); }
.section-light{ background: var(--white); color: var(--black); }
.section-light:nth-of-type(even){ background: var(--off-white); }
.section-dark{ background: var(--black); color: var(--white); border-top-color: var(--line-on-dark); }
.section-dark .eyebrow{ color: var(--grey); }
.section-dark p:not(.eyebrow):not(.emphasis){ color: #C7C7C7; }

.section-inner{ max-width: var(--max-w); margin: 0 auto; padding: 0 var(--edge); }
.section-inner.narrow{ max-width: 880px; }
.section-dark .section-inner + .section-inner{ max-width: var(--max-w); }

.eyebrow{
  display:flex; align-items:center; gap: 10px;
  font-family: var(--font-mono); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--charcoal-mid); margin-bottom: 16px;
}
.eyebrow .mono{ color: var(--charcoal-mid); border: 1px solid var(--line-on-light); padding: 2px 6px; }
.section-dark .eyebrow .mono{ border-color: var(--line-on-dark); color: var(--grey); }
h2{ font-size: clamp(1.6rem, 3vw, 2.35rem); line-height: 1.2; }
.lead{ font-size: clamp(1.02rem, 1.3vw, 1.15rem); margin-top: 18px; color: var(--charcoal); font-weight: 400; }
.body-text{ margin-top: 14px; font-size: 0.98rem; max-width: 580px; color: var(--charcoal-mid); }
.section-dark .lead{ color: var(--white); }

.stack-lines{ margin-top: 20px; display:flex; flex-direction:column; gap: 5px; }
.stack-lines p{ font-size: clamp(0.98rem, 1.2vw, 1.08rem); color: var(--charcoal-mid); }
.section-dark .stack-lines p{ color: #C7C7C7; }
.stack-lines .emphasis{
  font-family: var(--font-display); font-style: italic; font-size: clamp(1.2rem, 1.8vw, 1.5rem);
  color: var(--black); margin-top: 8px;
}
.section-dark .stack-lines .emphasis{ color: var(--white); }

/* ===========================================================
   Hero
   =========================================================== */
.hero{
  min-height: 82vh; display:flex; align-items:center;
  background: var(--black); color: var(--white);
  padding: 120px 0 70px;
}
.hero-inner{ max-width: var(--max-w); margin: 0 auto; padding: 0 var(--edge); }
.hero h1{
  font-size: clamp(1.9rem, 4.4vw, 3.2rem); font-weight: 300; line-height: 1.15; max-width: 17ch;
}
.verb-sequence{ margin-top: 28px; display:flex; flex-wrap:wrap; gap: 10px 18px; }
.verb-sequence li{
  font-family: var(--font-display); font-style: italic; font-weight: 400;
  font-size: clamp(1rem, 1.6vw, 1.3rem); color: var(--grey);
  opacity: 0; transform: translateY(10px);
  animation: rise .6s ease forwards;
}
.verb-sequence li:nth-child(1){ animation-delay: .15s; }
.verb-sequence li:nth-child(2){ animation-delay: .3s; }
.verb-sequence li:nth-child(3){ animation-delay: .45s; }
.verb-sequence li:nth-child(4){ animation-delay: .6s; }
.verb-sequence li:nth-child(5){ animation-delay: .75s; color: var(--white); }
@keyframes rise{ to{ opacity: 1; transform: translateY(0); } }

.hero-copy{ margin-top: 26px; max-width: 520px; font-size: 1rem; color: #C7C7C7; }
.hero-actions{ display:flex; flex-wrap:wrap; gap: 14px; margin-top: 34px; }

.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding: 13px 26px; font-size: 0.85rem; letter-spacing: 0.02em;
  border: 1px solid currentColor; border-radius: 0; cursor:pointer;
  transition: background .2s ease, color .2s ease;
  font-family: var(--font-body); font-weight: 500;
}
.hero .btn-primary{ background: var(--white); color: var(--black); border-color: var(--white); }
.hero .btn-primary:hover{ background: transparent; color: var(--white); }
.hero .btn-ghost{ color: var(--white); }
.hero .btn-ghost:hover{ background: var(--white); color: var(--black); }

.section-light .btn-primary{ background: var(--black); color: var(--white); border-color: var(--black); }
.section-light .btn-primary:hover{ background: transparent; color: var(--black); }
.section-light .btn-ghost{ color: var(--black); }
.section-light .btn-ghost:hover{ background: var(--black); color: var(--white); }
.section-dark .btn-primary{ background: var(--white); color: var(--black); border-color: var(--white); }
.section-dark .btn-primary:hover{ background: transparent; color: var(--white); }
.section-dark .btn-ghost{ color: var(--white); }
.section-dark .btn-ghost:hover{ background: var(--white); color: var(--black); }

/* ===========================================================
   Capability list (Decision Layer)
   =========================================================== */
.capability-list{
  margin-top: 32px;
  display:grid; grid-template-columns: repeat(2, 1fr); gap: 0;
  border-top: 1px solid var(--line-on-dark);
}
.section-light .capability-list{ border-top-color: var(--line-on-light); }
.capability-list li{
  padding: 16px 0; border-bottom: 1px solid var(--line-on-dark);
  font-family: var(--font-display); font-size: clamp(0.98rem, 1.3vw, 1.15rem);
  display:flex; align-items:baseline; gap: 14px;
}
.capability-list li .mono{ color: var(--grey); }
.section-light .capability-list li{ border-bottom-color: var(--line-on-light); }
.section-light .capability-list li .mono{ color: var(--charcoal-mid); }
.capability-list li:nth-child(odd){ padding-right: 24px; }
.capability-list li:nth-child(even){ padding-left: 24px; border-left: 1px solid var(--line-on-dark); }
.section-light .capability-list li:nth-child(even){ border-left-color: var(--line-on-light); }

/* ===========================================================
   Stakeholder cards (Solutions)
   =========================================================== */
.stakeholder-grid{
  max-width: var(--max-w); margin: 56px auto 0; padding: 0 var(--edge);
  display:grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
  background: var(--line-on-light);
  border-top: 1px solid var(--line-on-light); border-bottom: 1px solid var(--line-on-light);
}
.stakeholder-card{
  background: var(--white); padding: 40px 34px; display:flex; flex-direction:column; gap: 22px;
  scroll-margin-top: 100px;
}
.stakeholder-card h3{ font-size: 1.4rem; }
.stakeholder-card ul{ display:flex; flex-direction:column; gap: 10px; }
.stakeholder-card li{ font-size: 0.98rem; color: var(--charcoal-mid); }

/* ===========================================================
   Platform (Physical / Digital)
   =========================================================== */
.platform-grid{
  max-width: var(--max-w); margin: 56px auto 0; padding: 0 var(--edge);
  display:grid; grid-template-columns: 1fr 1fr; gap: 60px;
}
.platform-col{ scroll-margin-top: 100px; }
.platform-col h3{ font-size: 1.7rem; }
.platform-sub{ margin-top: 6px; color: var(--grey); font-size: 0.9rem; text-transform: uppercase; letter-spacing: 0.08em; }
.platform-col ul{ margin-top: 28px; display:flex; flex-direction:column; }
.platform-col li{
  padding: 14px 0; border-top: 1px solid var(--line-on-dark); font-size: 1.02rem; color: #DADADA;
}
.platform-col ul li:last-child{ border-bottom: 1px solid var(--line-on-dark); }

/* ===========================================================
   Inline tag lists (Material Intelligence / Experience / Collaboration)
   =========================================================== */
.inline-tags{ margin-top: 30px; display:flex; flex-wrap:wrap; gap: 12px 16px; }
.inline-tags li{
  font-size: 0.92rem; text-transform: uppercase; letter-spacing: 0.06em;
  padding: 9px 18px; border: 1px solid var(--line-on-light); color: var(--charcoal-mid);
}
.section-dark .inline-tags li{ border-color: var(--line-on-dark); color: #C7C7C7; }

/* ===========================================================
   Grid card mark (small bordered chip used on cards/columns)
   =========================================================== */
.card-mark{
  display:inline-flex; align-items:center; justify-content:center;
  width: 28px; height: 28px; border: 1px solid var(--line-on-light);
  color: var(--charcoal-mid); margin-bottom: 14px;
}
.section-dark .card-mark{ border-color: var(--line-on-dark); color: var(--grey); }

/* ===========================================================
   Final CTA
   =========================================================== */
.cta-block{
  max-width: var(--max-w); margin: 70px auto 0; padding: 60px var(--edge) 0;
  border-top: 1px solid var(--line-on-light);
}
.cta-block h3{ font-size: clamp(1.5rem, 3vw, 2.2rem); max-width: 16ch; }
.cta-actions{ display:flex; flex-wrap:wrap; gap: 16px; margin-top: 32px; }

/* ===========================================================
   Contact
   =========================================================== */
.contact-form{ margin-top: 44px; display:flex; flex-direction:column; gap: 24px; max-width: 640px; }
.field-row{ display:grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.field{ display:flex; flex-direction:column; gap: 10px; }
.field span{ font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--grey); }
.field-full{ grid-column: 1 / -1; }
input, select, textarea{
  background: transparent; border: none; border-bottom: 1px solid var(--line-on-dark); color: var(--white);
  padding: 10px 2px; font-family: var(--font-body); font-size: 1rem; border-radius: 0;
}
input:focus, select:focus, textarea:focus{ outline: none; border-bottom-color: var(--white); }
textarea{ resize: vertical; }
select option{ color: var(--black); }
.form-note{ color: var(--white); min-height: 1em; font-size: 0.92rem; }

/* ===========================================================
   Footer
   =========================================================== */
.site-footer{ background: var(--black); color: var(--white); padding: 90px 0 0; }
.footer-inner{ max-width: var(--max-w); margin: 0 auto; padding: 0 var(--edge); text-align:center; }
.footer-logo{ font-family: var(--font-display); font-size: 2rem; }
.footer-tagline{ margin-top: 10px; color: var(--grey); font-size: 0.95rem; }
.verb-sequence-small{ justify-content:center; margin-top: 30px; }
.verb-sequence-small li{ font-size: 1rem; animation: none; opacity: 1; transform:none; color: var(--grey); }
.footer-links{
  max-width: var(--max-w); margin: 60px auto 0; padding: 30px var(--edge);
  display:flex; flex-wrap:wrap; justify-content:center; gap: 26px;
  border-top: 1px solid var(--line-on-dark);
}
.footer-links a{ font-size: 0.9rem; color: var(--grey); }
.footer-links a:hover{ color: var(--white); }
.footer-bottom{
  display:flex; flex-wrap:wrap; justify-content:space-between; gap: 10px;
  max-width: var(--max-w); margin: 0 auto; padding: 24px var(--edge) 34px;
  font-size: 0.8rem; color: var(--grey);
}

/* ===========================================================
   Founder LinkedIn embeds (manual — no API/account connection)
   =========================================================== */
.linkedin-embed-grid{
  max-width: var(--max-w); margin: 48px auto 0; padding: 0 var(--edge);
  display:grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.linkedin-embed-slot{
  min-height: 280px; display:flex;
}
.linkedin-embed-slot iframe{
  width: 100%; border: none; min-height: 500px;
}
.linkedin-embed-placeholder{
  width: 100%; min-height: 280px;
  border: 1px dashed var(--line-on-light);
  display:flex; align-items:center; justify-content:center; text-align:center;
  padding: 24px;
}
.linkedin-embed-placeholder p{
  color: var(--grey); font-family: var(--font-mono); font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.05em;
}

/* ===========================================================
   Responsive
   =========================================================== */
@media (max-width: 900px){
  .capability-list{ grid-template-columns: 1fr; }
  .capability-list li:nth-child(even){ padding-left: 0; border-left: none; }
  .stakeholder-grid{ grid-template-columns: 1fr; }
  .platform-grid{ grid-template-columns: 1fr; gap: 50px; }
  .field-row{ grid-template-columns: 1fr; }
  .linkedin-embed-grid{ grid-template-columns: 1fr; }
}