@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600&family=Inter:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root{
  --ink:#1B242D;
  --cartridge:#26313D;
  --cartridge-deep:#1B242D;
  --chalk:#F1ECDF;
  --gold:#C9A66B;
  --sanguine:#B15C3E;
  --mist:#9AA7B0;
  --sb-blue:#3C7DBF;
  --sb-blue-deep:#1E4670;
  --sb-orange:#F2994A;
  --paper:#F3EFE6;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--cartridge);
  color:var(--chalk);
  font-family:'Inter', -apple-system, 'Segoe UI', Roboto, sans-serif;
  line-height:1.6;
}
h1,h2,h3{
  font-family:'Fraunces', Georgia, 'Iowan Old Style', serif;
  font-weight:600;
  margin:0 0 0.5em 0;
  color:var(--chalk);
}
.mono{
  font-family:'IBM Plex Mono', 'Courier New', monospace;
}
a{ color:inherit; }
img,svg{ max-width:100%; display:block; }

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

.wrap{
  max-width:1120px;
  margin:0 auto;
  padding:0 32px;
}

/* Nav */
header{
  position:sticky; top:0; z-index:10;
  background:rgba(38,49,61,0.92);
  backdrop-filter:blur(6px);
  border-bottom:1px solid rgba(201,166,107,0.25);
}
nav.wrap{
  display:flex; align-items:center; justify-content:space-between;
  padding-top:18px; padding-bottom:18px;
}
.nav-mark{ display:flex; align-items:center; gap:12px; text-decoration:none; }
.nav-mark svg{ width:38px; height:38px; }
.nav-mark span{
  font-family:'Fraunces', serif; font-size:1.05rem; letter-spacing:0.04em;
}
.nav-links{ display:flex; gap:28px; list-style:none; margin:0; padding:0; }
.nav-links a{
  text-decoration:none; font-size:0.92rem; color:var(--mist);
  letter-spacing:0.02em; transition:color 0.2s ease;
}
.nav-links a:hover{ color:var(--chalk); }

/* Nav dropdown */
.nav-links .has-menu{ position:relative; }
.nav-links .has-menu > a::after{
  content:""; display:inline-block; margin-left:6px;
  border:4px solid transparent; border-top-color:currentColor;
  transform:translateY(2px);
}
.nav-links .submenu{
  position:absolute; top:100%; left:-14px; min-width:180px;
  list-style:none; margin:10px 0 0; padding:8px 0;
  background:rgba(38,49,61,0.98);
  border:1px solid rgba(201,166,107,0.25);
  border-radius:4px;
  opacity:0; visibility:hidden; transform:translateY(-4px);
  transition:opacity .15s ease, transform .15s ease, visibility .15s;
}
.nav-links .has-menu:hover .submenu,
.nav-links .has-menu:focus-within .submenu{
  opacity:1; visibility:visible; transform:translateY(0);
}
.nav-links .submenu li{ display:block; }
.nav-links .submenu a{ display:block; padding:8px 18px; white-space:nowrap; }
.nav-links .submenu a:hover{ background:rgba(201,166,107,0.12); }

/* Eyebrow */
.eyebrow{
  font-family:'IBM Plex Mono', monospace;
  font-size:0.78rem;
  letter-spacing:0.18em;
  text-transform:uppercase;
  color:var(--sanguine);
  margin-bottom:14px;
}

/* Hero */
.hero{
  padding:96px 0 100px;
  display:grid;
  grid-template-columns:1.05fr 0.95fr;
  gap:56px;
  align-items:center;
}
.hero h1{
  font-size:clamp(2.1rem, 3.6vw, 3.15rem);
  line-height:1.12;
}
.hero p.lede{
  font-size:1.1rem; color:var(--mist); max-width:46ch; margin-bottom:34px;
}
.cta-row{ display:flex; gap:16px; flex-wrap:wrap; }
.btn{
  display:inline-block; padding:13px 26px; border-radius:2px;
  text-decoration:none; font-size:0.94rem; letter-spacing:0.01em;
  transition:transform 0.15s ease, background 0.15s ease;
}
.btn-primary{ background:var(--gold); color:var(--ink); font-weight:600; }
.btn-primary:hover{ transform:translateY(-1px); background:#d9b57e; }
.btn-ghost{ border:1px solid rgba(241,236,223,0.35); color:var(--chalk); }
.btn-ghost:hover{ border-color:var(--gold); color:var(--gold); }

.hero-diagram{ position:relative; }
.hero-diagram svg{ width:100%; height:auto; }

/* Sections */
section{ padding:88px 0; border-top:1px solid rgba(201,166,107,0.18); }
.section-head{ max-width:640px; margin-bottom:48px; }
.section-head h2{ font-size:clamp(1.6rem, 2.4vw, 2.2rem); }
.section-head p{ color:var(--mist); font-size:1.02rem; max-width:56ch; }

/* Breadcrumb */
.breadcrumb{
  font-family:'IBM Plex Mono', monospace;
  font-size:0.8rem; letter-spacing:0.08em;
  color:var(--mist); margin-bottom:28px;
}
.breadcrumb a{ text-decoration:none; }
.breadcrumb a:hover{ color:var(--chalk); }

/* Principles */
.principles{
  display:flex; flex-direction:column; gap:32px;
  max-width:640px;
}
.principle{
  display:flex; gap:20px;
}
.principle .num{
  font-family:'IBM Plex Mono', monospace; color:var(--gold);
  font-size:0.95rem; padding-top:4px; flex-shrink:0;
}
.principle h3{ font-size:1.08rem; margin-bottom:8px; }
.principle p{ color:var(--mist); font-size:0.96rem; margin:0; }

/* Product / Kaleiopi card */
.product-card{
  background:var(--paper); color:var(--sb-blue-deep);
  border-radius:6px; padding:56px;
  display:grid; grid-template-columns:auto 1fr; gap:44px;
  align-items:start;
}
.product-card .eyebrow{ color:var(--sb-orange); }
.product-card h2{ font-family:'Fraunces', serif; color:var(--sb-blue-deep); font-size:2rem;}
.product-card .lede{ color:#3a5b78; font-size:1.05rem; max-width:56ch; margin-bottom:26px; }
.sb-logo{ width:220px; }
.feature-grid{
  display:grid; grid-template-columns:repeat(2,1fr); gap:18px 28px; margin:28px 0 32px;
}
.feature{
  display:flex; gap:12px; align-items:flex-start;
  font-size:0.95rem; color:#2c4a63;
}
.feature .dot{
  width:8px; height:8px; border-radius:50%; background:var(--sb-orange);
  margin-top:7px; flex-shrink:0;
}
.sb-btn{
  display:inline-block; background:var(--sb-blue); color:#fff;
  padding:13px 26px; border-radius:4px; text-decoration:none;
  font-weight:600; font-size:0.94rem; margin-right:14px;
}
.sb-note{ font-size:0.85rem; color:#5c7791; margin-top:16px; }

@media (max-width: 860px){
  .hero{ grid-template-columns:1fr; padding-top:56px; }
  .hero-diagram{ order:-1; max-width:280px; margin:0 auto; }
  .product-card{ grid-template-columns:1fr; padding:36px 24px; }
  .feature-grid{ grid-template-columns:1fr; }
  .nav-links{ display:none; }
}

footer{
  border-top:1px solid rgba(201,166,107,0.18);
  padding:48px 0 56px;
}
.footer-row{
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:16px;
}
.footer-row .nav-mark svg{ width:30px; height:30px; }
footer p{ color:var(--mist); font-size:0.85rem; margin:0; }

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