/* Opella — shared stylesheet */

:root{
  --paper: #faf9f6;
  --surface: #ffffff;
  --surface-2: #f1efe9;
  --ink: #12120f;
  --muted: #6e6e68;
  --accent: #0b5d3f;
  --accent-tint: #e7efe9;
  --accent-2: #a8672b;
  --accent-2-tint: #f3e9dd;
  --border: rgba(18,18,15,0.12);
  --border-strong: rgba(18,18,15,0.26);
  --max: 1120px;
}

*, *::before, *::after{ box-sizing: border-box; }

html{ scroll-behavior: smooth; }

body{
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4{
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-weight: 800;
  font-stretch: condensed;
  letter-spacing: -0.01em;
  line-height: 1.08;
  margin: 0;
  text-wrap: balance;
}

h3, h4{ line-height: 1.25; }

p{ margin: 0; }
a{ color: inherit; text-decoration: none; }
img{ max-width: 100%; display: block; }

.mono{ font-family: 'SF Mono', Menlo, Consolas, monospace; }

.shell{
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 40px);
}

.eyebrow{
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--accent);
}

.eyebrow.copper{ color: var(--accent-2); }
.eyebrow.on-dark{ color: #8fd6b6; }

/* ---------- nav ---------- */
.site-nav{
  border-bottom: 1px solid var(--border);
  background: var(--paper);
  position: sticky;
  top: 0;
  z-index: 20;
}
.site-nav .shell{
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  gap: 24px;
  flex-wrap: wrap;
  padding-top: 14px;
  padding-bottom: 14px;
}
.wordmark{
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-weight: 800;
  font-stretch: condensed;
  font-size: 26px;
  letter-spacing: -0.01em;
}
.nav-links{
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 15px;
}
.nav-links a{ color: var(--muted); transition: color .15s ease; }
.nav-links a:hover, .nav-links a.active{ color: var(--ink); }
.nav-cta{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--ink);
  color: var(--paper);
  padding: 10px 18px;
  border-radius: 3px;
  font-size: 14px;
  font-weight: 600;
}
.nav-cta:hover{ background: var(--accent); }

.nav-right{ display: flex; align-items: center; gap: 12px; }

.nav-toggle{
  display: none;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  flex: none;
  border: 1px solid var(--border-strong);
  border-radius: 3px;
  background: transparent;
  padding: 0;
  cursor: pointer;
}
.nav-toggle:hover{ border-color: var(--ink); }
.nav-toggle-bars,
.nav-toggle-bars::before,
.nav-toggle-bars::after{
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
  border-radius: 1px;
}
.nav-toggle-bars{ position: relative; }
.nav-toggle-bars::before, .nav-toggle-bars::after{ content: ""; position: absolute; left: 0; }
.nav-toggle-bars::before{ top: -6px; }
.nav-toggle-bars::after{ top: 6px; }

@media (max-width: 760px){
  .site-nav .shell{ position: relative; flex-wrap: nowrap; }
  .nav-toggle{ display: inline-flex; }
  .nav-links{
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--border);
    padding: 8px clamp(20px, 5vw, 40px) 16px;
    box-shadow: 0 8px 16px rgba(18,18,15,0.06);
  }
  .nav-links.open{ display: flex; }
  .nav-links a{ padding: 12px 0; border-bottom: 1px solid var(--border); }
  .nav-links li:last-child a{ border-bottom: none; }
}

/* ---------- buttons ---------- */
.btn{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 24px;
  border-radius: 3px;
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
}
.btn-primary{ background: var(--accent); color: #fff; }
.btn-primary:hover{ background: #0a4f36; }
.btn-outline{ border-color: var(--border-strong); color: var(--ink); }
.btn-outline:hover{ border-color: var(--ink); }

/* ---------- hero ---------- */
.hero{ padding: clamp(48px, 8vw, 96px) 0 clamp(40px, 6vw, 72px); }
.hero-grid{
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
}
@media (max-width: 860px){ .hero-grid{ grid-template-columns: 1fr; } }
.hero-grid.reverse > img{ order: 2; }
.hero-grid.reverse > div{ order: 1; }
.hero h1{ font-size: clamp(38px, 6vw, 64px); margin-top: 14px; }
.hero p.lede{
  font-size: 18px;
  color: var(--muted);
  max-width: 52ch;
  margin-top: 18px;
}
.hero-actions{ display: flex; gap: 14px; margin-top: 30px; flex-wrap: wrap; }

/* ---------- imagery ---------- */
.hero-grid img,
.contact-grid img{
  width: 100%;
  height: auto;
  border-radius: 6px;
  border: 1px solid var(--border);
}

/* ---------- section heading ---------- */
.section{ padding: clamp(56px, 8vw, 96px) 0; }
.section--tight{ padding-top: 12px; }
.section-head{ max-width: 62ch; margin-bottom: clamp(32px, 5vw, 52px); }
.section-head h2{ font-size: clamp(28px, 4vw, 42px); margin-top: 10px; }
.section-head p{ color: var(--muted); font-size: 16px; margin-top: 14px; }
.section.alt{ background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

/* ---------- cards ---------- */
.grid-3{ display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2{ display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
@media (max-width: 860px){ .grid-3{ grid-template-columns: 1fr; } .grid-2{ grid-template-columns: 1fr; } }

.card{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 28px 26px;
}
.card .num{ font-family: 'SF Mono', Menlo, Consolas, monospace; font-size: 13px; color: var(--muted); }
.card h3{ font-size: 20px; margin-top: 14px; }
.card p{ color: var(--muted); font-size: 14.5px; margin-top: 10px; }
.card .rule{ width: 32px; height: 3px; background: var(--accent); margin-bottom: 16px; }
.card.copper .rule{ background: var(--accent-2); }

/* ---------- stats ---------- */
.stats{ display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
@media (max-width: 760px){ .stats{ grid-template-columns: repeat(2, 1fr); } }
.stat{ border-top: 3px solid var(--accent); padding-top: 16px; }
.stat:nth-child(2n){ border-top-color: var(--accent-2); }
.stat .value{ font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-weight: 800; font-stretch: condensed; font-size: clamp(30px, 4vw, 44px); }
.stat .label{ color: var(--muted); font-size: 13.5px; margin-top: 6px; }

/* ---------- feature list ---------- */
.feature-row{
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 28px;
  padding: 26px 0;
  border-bottom: 1px solid var(--border);
}
.feature-row:first-child{ border-top: 1px solid var(--border); }
@media (max-width: 700px){ .feature-row{ grid-template-columns: 1fr; gap: 10px; } }
.feature-row h3{ font-size: 19px; margin-top: 8px; }
.feature-row p{ color: var(--muted); font-size: 15px; }

/* ---------- CTA band ---------- */
.cta-band{
  background: var(--ink);
  color: var(--paper);
  padding: clamp(48px, 7vw, 80px) 0;
}
.cta-band h2{ color: var(--paper); font-size: clamp(28px, 4vw, 40px); }
.cta-band p{ color: rgba(250,249,246,0.7); margin-top: 12px; font-size: 16px; }
.cta-band .hero-actions{ margin-top: 26px; }
.cta-band .btn-outline{ border-color: rgba(250,249,246,0.35); color: var(--paper); }
.cta-band .btn-outline:hover{ border-color: var(--paper); }

/* ---------- footer ---------- */
footer{ border-top: 1px solid var(--border); padding: 48px 0 36px; }
.footer-grid{
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 32px;
}
@media (max-width: 700px){ .footer-grid{ grid-template-columns: 1fr; } }
footer h4{ font-size: 13px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); font-weight: 700; margin-bottom: 14px; }
.footer-links{ list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; font-size: 14.5px; }
.footer-blurb{ color: var(--muted); font-size: 14px; margin-top: 12px; max-width: 34ch; }
.footer-links a:hover{ color: var(--accent); }
.footer-bottom{
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--muted);
}

/* ---------- page header (inner pages) ---------- */
.page-header{ padding: clamp(44px, 7vw, 76px) 0 clamp(28px, 4vw, 44px); }
.page-header h1{ font-size: clamp(34px, 5vw, 52px); margin-top: 12px; }
.page-header p{ color: var(--muted); font-size: 17px; max-width: 56ch; margin-top: 16px; }

/* ---------- contact ---------- */
.contact-grid{ display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
@media (max-width: 800px){ .contact-grid{ grid-template-columns: 1fr; } }
.contact-item{ padding: 20px 0; border-bottom: 1px solid var(--border); }
.contact-item:first-child{ border-top: 1px solid var(--border); }
.contact-item .label{ font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); font-weight: 700; }
.contact-item .value{ font-size: 18px; margin-top: 6px; }
.contact-actions{ display: flex; flex-direction: column; gap: 12px; margin-top: 28px; }
.contact-actions .btn{ justify-content: center; }