/* ============================================================
   Cominvent — fresh modern design (task 23).
   Palette from the logo: charcoal "com" + sage-green "invent".
   ============================================================ */
:root{
  --green:#5f9e57;
  --green-dark:#3f7a3c;
  --green-tint:#eef4ec;
  --ink:#1e2429;
  --ink-soft:#5b6670;
  --bg:#ffffff;
  --bg-alt:#f5f8f4;
  --line:#e6ebe4;
  --footer:#20262b;
  --radius:16px;
  --wrap:72rem;
  --shadow:0 1px 2px rgba(30,36,41,.04), 0 8px 24px rgba(30,36,41,.06);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:5rem}
body{
  margin:0;color:var(--ink);background:var(--bg);
  font-family:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  font-size:18px;line-height:1.65;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
a{color:var(--green-dark);text-decoration:none;text-underline-offset:3px}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 1.6rem}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:.4rem;font-weight:600;font-size:1rem;
  padding:.72rem 1.35rem;border-radius:999px;border:1.5px solid transparent;cursor:pointer;transition:.15s ease}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:var(--green-dark)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--green);color:var(--green-dark)}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);
  backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.85rem 0}
.brand{display:inline-flex;align-items:center}
.brand:hover{text-decoration:none}
.brand-logo{display:block;height:34px;width:auto}
.site-nav{display:flex;gap:1.5rem;align-items:center}
.site-nav a{font-weight:500;font-size:.98rem;color:var(--ink-soft)}
.site-nav a:hover{color:var(--ink);text-decoration:none}
.nav-training{color:var(--green-dark)!important;font-weight:600!important}
.nav-training:hover{color:var(--green)!important}
.nav-cta{background:var(--green-tint);color:var(--green-dark)!important;font-weight:600!important;
  padding:.45rem 1rem;border-radius:999px}
.nav-cta:hover{background:var(--green);color:#fff!important}

/* ---------- Section scaffolding ---------- */
.section{padding:5rem 0}
.section-alt{background:var(--bg-alt)}
.eyebrow{font-weight:700;font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;color:var(--green);margin:0 0 .6rem}
.section-title{font-weight:800;color:var(--ink);font-size:clamp(1.7rem,4vw,2.3rem);line-height:1.15;
  letter-spacing:-.02em;margin:0 0 2.2rem}

/* ---------- Hero ---------- */
.hero{padding:5.5rem 0 4.5rem;background:
  radial-gradient(60rem 30rem at 70% -10%, var(--green-tint), transparent 60%),
  linear-gradient(#fff,#fff)}
.hero-inner{max-width:52rem}
.hero-title{font-weight:800;font-size:clamp(2.3rem,6vw,3.6rem);line-height:1.08;letter-spacing:-.03em;
  color:var(--ink);margin:.2rem 0 1.1rem}
.hero-lead{font-size:1.2rem;color:var(--ink-soft);margin:0 0 2rem;max-width:42rem}
.hero-cta{display:flex;gap:.8rem;flex-wrap:wrap}

/* ---------- Service cards ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1.3rem}
.card{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem 1.5rem;
  transition:.18s ease}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#d5e0cf}
.card-icon{display:grid;place-items:center;width:3rem;height:3rem;border-radius:12px;
  background:var(--green-tint);color:var(--green-dark);margin-bottom:1rem}
.card-title{font-size:1.18rem;font-weight:700;color:var(--ink);margin:0 0 .5rem}
.card-body{color:var(--ink-soft);font-size:1rem;margin:0}
.card-link{display:inline-block;margin-top:.9rem;font-weight:600;color:var(--green-dark);font-size:.95rem}
.card-link:hover{color:var(--green);text-decoration:none}

/* ---------- Testimonials ---------- */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:1.3rem}
.quote{margin:0;background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.6rem 1.5rem;border-top:3px solid var(--green)}
.quote blockquote{margin:0 0 1rem;font-size:1.05rem;color:var(--ink);line-height:1.55}
.quote figcaption{display:flex;flex-direction:column}
.quote-name{font-weight:700;color:var(--ink)}
.quote-role{font-size:.92rem;color:var(--ink-soft)}
.quotes-more{margin:1.8rem 0 0}

/* ---------- About ---------- */
.about-grid{display:grid;grid-template-columns:1fr 1.6fr;gap:2.5rem;align-items:start}
.about-portrait{margin:1.6rem 0 0}
.about-portrait img{width:100%;max-width:15rem;border-radius:var(--radius);display:block;box-shadow:var(--shadow)}
.about-portrait figcaption{margin-top:.65rem;font-weight:700;color:var(--ink)}
.about-body{color:var(--ink-soft)}
.about-cred{display:flex;align-items:center;gap:.7rem;margin:1.8rem 0 0;padding-top:1.4rem;border-top:1px solid var(--line);color:var(--ink-soft);font-size:.9rem;font-weight:500}
.about-cred img{height:30px;width:auto;display:block;flex:none}
.about-body p{margin:0 0 1.1rem}
.about-body strong{color:var(--ink)}
.content :last-child{margin-bottom:0}

/* ---------- Selected work ---------- */
.work{display:grid;grid-template-columns:repeat(3,1fr);gap:1.3rem}
.work-item{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.5rem 1.4rem;border-left:3px solid var(--green)}
.work-client{font-size:1.1rem;font-weight:700;color:var(--ink);margin:0 0 .5rem}
.work-what{color:var(--ink-soft);font-size:.98rem;margin:0}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:3rem;align-items:start}
.contact-intro p{color:var(--ink-soft)}
.contact-direct{margin-top:1.2rem}
.contact-form{display:flex;flex-direction:column;gap:1rem}
.contact-form label{display:flex;flex-direction:column;gap:.35rem;font-weight:600;font-size:.95rem;color:var(--ink)}
.contact-form input,.contact-form textarea{font:inherit;font-weight:400;color:var(--ink);
  padding:.7rem .85rem;border:1.5px solid var(--line);border-radius:10px;background:#fff}
.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--green);
  box-shadow:0 0 0 3px var(--green-tint)}
.contact-form .btn{align-self:flex-start;margin-top:.3rem}
.form-note{font-size:.85rem;color:var(--ink-soft);margin:.2rem 0 0}

/* ---------- Footer ---------- */
.site-footer{background:var(--footer);color:#c8d0cc;padding:3.5rem 0}
.footer-inner{display:flex;justify-content:space-between;gap:2rem;flex-wrap:wrap}
.site-footer .brand-logo{height:26px;background:#fff;padding:.4rem .55rem;border-radius:8px}
.footer-tag{margin:.9rem 0 0;color:#98a29c;max-width:22rem}
.footer-meta{display:flex;flex-direction:column;gap:.5rem;align-items:flex-start}
.footer-linkedin{display:inline-flex;align-items:center;gap:.5rem;color:#fff;font-weight:600;
  background:rgba(255,255,255,.08);padding:.5rem .9rem;border-radius:999px}
.footer-linkedin:hover{background:var(--green);text-decoration:none}
.footer-email{color:#dfe6e1}
.footer-addr,.footer-copy{margin:0;font-size:.9rem;color:#8a938d}

/* ---------- Responsive ---------- */
@media (max-width:860px){
  .cards,.quotes,.work{grid-template-columns:repeat(2,1fr)}
  .about-grid,.contact-grid{grid-template-columns:1fr;gap:1.6rem}
}
@media (max-width:640px){
  body{font-size:17px}
  .section{padding:3.5rem 0}
  .site-nav a:not(.nav-cta):not(.nav-training){display:none}
  .cards,.quotes,.work{grid-template-columns:1fr}
  .footer-inner{flex-direction:column}
}