/* Grossmann Training – Stylesheet */

:root{
  --navy:#0f2440;
  --navy-2:#16335a;
  --blue:#3e6b9b;
  --blue-light:#e6ecf3;
  --ink:#1b2430;
  --grey:#5b6472;
  --grey-light:#f4f6f9;
  --border:#e3e7ee;
  --white:#ffffff;
  --radius:14px;
  --shadow:0 10px 30px rgba(15,36,64,.08);
  --maxw:1160px;
  --serif:"Georgia", "Iowan Old Style", serif;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  color:var(--ink);
  background:var(--white);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius)}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{font-family:var(--sans);line-height:1.2;margin:0 0 .5em;color:var(--navy)}
h1{font-size:clamp(2rem,4vw,3rem);font-weight:800}
h2{font-size:clamp(1.5rem,2.6vw,2.1rem);font-weight:800}
h3{font-size:1.25rem;font-weight:700}
p{margin:0 0 1em}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:72px 0}
.section-tight{padding:40px 0}
.section-alt{background:var(--grey-light)}
.eyebrow{
  text-transform:uppercase;letter-spacing:.08em;font-size:.78rem;font-weight:700;
  color:var(--blue);margin-bottom:10px;display:block;
}
.lead{font-size:1.15rem;color:var(--grey)}
.center{text-align:center}
.grid{display:grid;gap:28px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
@media (max-width:900px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 26px;border-radius:999px;font-weight:700;font-size:.98rem;
  background:var(--blue);color:#fff;border:2px solid var(--blue);cursor:pointer;
  transition:.15s ease;
}
.btn:hover{background:#1a4fe0;text-decoration:none}
.btn-outline{background:transparent;color:var(--navy);border:2px solid var(--navy)}
.btn-outline:hover{background:var(--navy);color:#fff}
.btn-light{background:#fff;color:var(--navy);border:2px solid #fff}
.btn-light:hover{background:transparent;color:#fff}

/* Header / Nav */
.site-header{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);
  backdrop-filter:blur(6px);border-bottom:1px solid var(--border);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;padding:14px 24px;max-width:var(--maxw);margin:0 auto}
.brand{display:flex;flex-direction:column;font-weight:800;color:var(--navy);font-size:1.05rem;line-height:1.1}
.brand span{font-weight:500;font-size:.72rem;color:var(--grey);text-transform:uppercase;letter-spacing:.06em}
nav.main-nav{display:flex;align-items:center;gap:6px}
nav.main-nav > ul{display:flex;gap:2px;list-style:none;margin:0;padding:0;align-items:center}
nav.main-nav > ul > li{position:relative}
nav.main-nav > ul > li > a{
  display:block;padding:10px 14px;border-radius:8px;color:var(--navy);font-weight:600;font-size:.94rem;
}
nav.main-nav > ul > li > a:hover{background:var(--blue-light);text-decoration:none}
.submenu{
  display:none;position:absolute;top:100%;left:0;background:#fff;min-width:270px;
  border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow);padding:10px;margin-top:6px;
}
nav.main-nav > ul > li:hover .submenu{display:block}
.submenu a{display:block;padding:9px 12px;border-radius:8px;color:var(--ink);font-size:.92rem;font-weight:500}
.submenu a:hover{background:var(--grey-light);text-decoration:none}
.nav-cta{margin-left:8px}
.nav-toggle{display:none;background:none;border:none;font-size:1.6rem;cursor:pointer;color:var(--navy)}
@media (max-width:920px){
  nav.main-nav{position:fixed;inset:64px 0 0 0;background:#fff;flex-direction:column;align-items:stretch;padding:10px 20px;overflow:auto;display:none}
  nav.main-nav.open{display:flex}
  nav.main-nav > ul{flex-direction:column;align-items:stretch;width:100%}
  .submenu{position:static;box-shadow:none;border:none;margin-top:0;padding-left:14px;display:block}
  nav.main-nav > ul > li:hover .submenu{display:block}
  .nav-toggle{display:block}
  .nav-cta{margin-left:0;margin-top:10px}
}

/* Breadcrumb */
.breadcrumb{font-size:.85rem;color:var(--grey);padding:16px 0 0}
.breadcrumb a{color:var(--grey)}

/* Hero */
.hero{background:linear-gradient(135deg,var(--navy) 0%,var(--navy-2) 60%,#1c3f6e 100%);color:#fff;padding:64px 0 56px;position:relative;overflow:hidden}
.hero .container{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
@media (max-width:900px){.hero .container{grid-template-columns:1fr}}
.hero h1{color:#fff;margin-bottom:14px}
.hero .sub{font-size:1.2rem;color:#cfe0ff;margin-bottom:22px;font-weight:600}
.hero .desc{color:#dbe6f8;font-size:1.05rem;margin-bottom:28px;max-width:520px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-photo{border-radius:var(--radius);overflow:hidden;box-shadow:0 20px 50px rgba(0,0,0,.35)}
.hero-stats{display:flex;gap:26px;margin-top:34px;flex-wrap:wrap}
.hero-stats div{min-width:120px}
.hero-stats strong{display:block;font-size:1.7rem;color:#fff}
.hero-stats span{font-size:.82rem;color:#b9cdf0}

/* Format chips */
.chipbar{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin-top:-30px;position:relative;z-index:5}
.chip{
  background:#fff;border:1px solid var(--border);border-radius:999px;padding:14px 22px;
  box-shadow:var(--shadow);font-weight:700;color:var(--navy);display:flex;gap:10px;align-items:center;font-size:.95rem;
}
.chip .num{color:var(--blue);font-size:1.1rem}

/* Cards */
.card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:28px;
  box-shadow:var(--shadow);height:100%;display:flex;flex-direction:column;
}
.card img{margin-bottom:16px;aspect-ratio:4/3;object-fit:cover}
.card h3{margin-bottom:8px}
.card p{color:var(--grey);flex-grow:1}
.card .btn, .card a.more{margin-top:auto;align-self:flex-start}
a.more{font-weight:700}
.icon-card{padding:26px}
.icon-badge{
  width:46px;height:46px;border-radius:12px;background:var(--blue-light);color:var(--blue);
  display:flex;align-items:center;justify-content:center;font-weight:800;margin-bottom:14px;font-size:1.1rem;
}

/* Testimonial */
.quote-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.quote-card p.quote{font-style:italic;color:var(--ink);margin-bottom:14px}
.quote-attr{display:flex;gap:12px;align-items:center}
.avatar{width:44px;height:44px;border-radius:50%;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.85rem;overflow:hidden}
.avatar img{width:100%;height:100%;object-fit:cover;border-radius:50%}
.quote-attr .who strong{display:block;font-size:.9rem}
.quote-attr .who span{font-size:.8rem;color:var(--grey)}

/* Logos */
.logo-row{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:20px}
.logo-pill{background:var(--grey-light);border:1px solid var(--border);border-radius:999px;padding:10px 20px;font-weight:700;color:var(--navy);font-size:.9rem}

/* Case study layout */
.case-hero{display:grid;grid-template-columns:1.2fr .8fr;gap:36px;align-items:center;margin-bottom:30px}
@media (max-width:880px){.case-hero{grid-template-columns:1fr}}
.case-step{border-left:3px solid var(--blue);padding-left:18px;margin-bottom:26px}
.case-step h4{color:var(--blue);text-transform:uppercase;font-size:.82rem;letter-spacing:.06em;margin-bottom:6px}
figure{margin:0}
figcaption{font-size:.85rem;color:var(--grey);margin-top:8px;font-style:italic}

/* FAQ accordion */
details.faq{border:1px solid var(--border);border-radius:12px;padding:16px 20px;margin-bottom:12px;background:#fff}
details.faq summary{font-weight:700;cursor:pointer;color:var(--navy);list-style:none}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary:before{content:"+ ";color:var(--blue);font-weight:800}
details.faq[open] summary:before{content:"– "}
details.faq p, details.faq ul{color:var(--grey);margin-top:12px}

/* Contact form */
.form-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:34px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media (max-width:640px){.form-row{grid-template-columns:1fr}}
.field{margin-bottom:16px}
.field label{display:block;font-weight:700;font-size:.88rem;margin-bottom:6px;color:var(--navy)}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1.5px solid var(--border);border-radius:10px;font-size:.96rem;font-family:inherit;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--blue)}
.form-note{font-size:.8rem;color:var(--grey);margin-top:10px}
.form-success{display:none;background:#e8f7ee;color:#166534;border:1px solid #bbf0cf;border-radius:10px;padding:16px;margin-top:16px;font-weight:600}

/* Footer */
footer{background:var(--navy);color:#cfe0ff;padding:56px 0 28px}
footer a{color:#cfe0ff}
footer .grid-4{gap:24px}
footer h4{color:#fff;font-size:.95rem;margin-bottom:14px}
footer ul{list-style:none;margin:0;padding:0}
footer li{margin-bottom:8px;font-size:.9rem}
.footer-bottom{border-top:1px solid rgba(255,255,255,.15);margin-top:36px;padding-top:20px;font-size:.82rem;color:#9fb6de;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

/* CTA band */
.cta-band{background:#c7d7ec;color:var(--ink);padding:56px 0;text-align:center}
.cta-band h2{color:var(--ink)}
.cta-band p{color:#3d4f68}

/* Video testimonials */
.video-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.video-card video{width:100%;display:block;background:#000;border-radius:0;aspect-ratio:16/9;object-fit:cover}
.video-card .video-meta{padding:20px 24px}
.video-card .video-meta strong{display:block;color:var(--navy);font-size:1rem}
.video-card .video-meta span{color:var(--grey);font-size:.85rem}

/* Utility */
.mt-0{margin-top:0}
.tag{display:inline-block;background:var(--blue-light);color:var(--blue);font-weight:700;font-size:.78rem;padding:5px 12px;border-radius:999px;margin-bottom:12px}
.list-check{list-style:none;padding:0;margin:0}
.list-check li{padding-left:28px;position:relative;margin-bottom:10px;color:var(--grey)}
.list-check li:before{content:"✓";position:absolute;left:0;color:var(--blue);font-weight:800}