/* ============================================
   BSD DESIGN SYSTEM v2 — shared stylesheet
   ============================================ */
:root{
  --green-500:#1F9D4D; --green-600:#167A3C; --green-700:#0F5C2C;
  --green-50:#E8F5EE; --green-100:#D1EBD9;
  --navy-900:#0A2540; --navy-800:#132E4A; --navy-700:#1E3F63; --navy-50:#F1F5FA;
  --red-500:#D22F27; --red-600:#B22820;
  --white:#FFFFFF; --bg:#F7FAF9;
  --border:#E4EAE7; --border-strong:#C8D3CE;
  --text:#0F1F1A; --text-2:#4A5A54; --text-3:#7B8C86;
  --r-sm:8px; --r:12px; --r-lg:20px; --r-xl:28px;
  --shadow-xs:0 1px 2px rgba(15,31,26,.04);
  --shadow-sm:0 2px 8px rgba(15,31,26,.06);
  --shadow-md:0 8px 24px rgba(15,31,26,.08);
  --shadow-lg:0 20px 48px rgba(15,31,26,.12);
  --shadow-green:0 12px 32px rgba(31,157,77,.28);
  --glow-green:0 0 0 1px rgba(31,157,77,.4),0 20px 40px -8px rgba(31,157,77,.25);
  --ease:cubic-bezier(.22,1,.36,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter',sans-serif;color:var(--text);background:var(--white);line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer;border:0;background:0}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.container{max-width:1280px;margin:0 auto;padding:0 24px}
.container-narrow{max-width:960px;margin:0 auto;padding:0 24px}
section{padding:96px 0;position:relative}
@media(max-width:768px){section{padding:64px 0}}

h1,h2,h3,h4{font-weight:700;letter-spacing:-.02em;line-height:1.15;color:var(--text)}
h1,h2{font-family:'Manrope',sans-serif}
h1{font-size:clamp(36px,5vw,56px);font-weight:800;letter-spacing:-.03em;line-height:1.05}
h2{font-size:clamp(28px,3.8vw,44px);letter-spacing:-.025em;font-weight:800}
h3{font-size:22px}
h4{font-size:18px}
p{color:var(--text-2)}
.lead{font-size:18px;line-height:1.6;color:var(--text-2)}

.kicker{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--green-600);padding:6px 12px;background:var(--green-50);border-radius:100px;margin-bottom:20px}
.kicker-navy{color:var(--navy-900);background:var(--navy-50)}
.section-head{max-width:760px;margin:0 auto 56px;text-align:center}
.section-head p{font-size:17px;margin-top:14px}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 24px;border-radius:var(--r-sm);font-weight:600;font-size:15px;transition:all .2s var(--ease);white-space:nowrap;position:relative;overflow:hidden}
.btn-primary{background:var(--green-500);color:#fff;box-shadow:var(--shadow-green)}
.btn-primary:hover{background:var(--green-600);transform:translateY(-1px);box-shadow:0 16px 36px rgba(31,157,77,.35)}
.btn-secondary{background:var(--white);color:var(--navy-900);border:1px solid var(--border-strong)}
.btn-secondary:hover{border-color:var(--navy-900);background:var(--navy-50)}
.btn-lg{padding:18px 32px;font-size:16px}
.btn .arrow{transition:transform .2s var(--ease)}
.btn:hover .arrow{transform:translateX(4px)}
.btn-ghost{color:var(--green-700);font-weight:700;display:inline-flex;align-items:center;gap:6px;font-size:14px;transition:gap .2s}
.btn-ghost:hover{gap:10px}

/* Scroll progress */
.scroll-progress{position:fixed;top:0;left:0;height:3px;background:linear-gradient(90deg,var(--green-500),var(--green-700));z-index:200;transition:width .1s linear;box-shadow:0 0 12px rgba(31,157,77,.4)}

/* Reveal */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal-delay-1{transition-delay:.08s}
.reveal-delay-2{transition-delay:.16s}
.reveal-delay-3{transition-delay:.24s}
.reveal-delay-4{transition-delay:.32s}

/* Nav */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,.85);backdrop-filter:blur(20px);border-bottom:1px solid transparent;transition:all .3s var(--ease)}
.nav.scrolled{border-bottom-color:var(--border);background:rgba(255,255,255,.95)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px;max-width:1280px;margin:0 auto;padding:0 24px}
.nav-logo{display:flex;align-items:center;gap:10px}
.nav-logo img{height:36px;width:auto}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-link{padding:10px 16px;font-size:14px;font-weight:500;color:var(--text);border-radius:8px;transition:all .15s;display:flex;align-items:center;gap:4px}
.nav-link:hover,.nav-link.active{background:var(--green-50);color:var(--green-700)}
.nav-link .chev{width:12px;height:12px;opacity:.5}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-wa{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--green-50);color:var(--green-600);transition:all .15s}
.nav-wa:hover{background:var(--green-500);color:#fff}
@media(max-width:1080px){.nav-links{display:none}}

/* Mega-menu dropdowns */
.nav-item{position:relative}
/* invisible bridge so mouse can travel from nav item into dropdown without losing hover */
.nav-item::after{
  content:'';position:absolute;top:100%;left:-24px;right:-24px;height:16px;
  background:transparent;pointer-events:auto;z-index:109
}
.nav-mega{
  position:absolute;top:calc(100% + 12px);left:50%;transform:translateX(-50%) translateY(-6px);
  min-width:340px;background:var(--white);border:1px solid var(--border);border-radius:14px;
  box-shadow:0 24px 56px rgba(15,31,26,.15),0 8px 20px rgba(15,31,26,.06);
  padding:12px;opacity:0;visibility:hidden;
  transition:opacity .18s var(--ease),transform .18s var(--ease),visibility 0s .15s;
  z-index:110;pointer-events:none
}
.nav-item:hover .nav-mega,.nav-item:focus-within .nav-mega{
  opacity:1;visibility:visible;transform:translateX(-50%) translateY(0);pointer-events:auto;
  transition:opacity .18s var(--ease),transform .18s var(--ease),visibility 0s 0s
}
.nav-mega-wide{min-width:600px}
.nav-mega-grid{display:grid;grid-template-columns:1fr 1fr;gap:2px}
.nav-mega-single{display:flex;flex-direction:column;gap:2px}
.nav-mega-item{
  display:flex;align-items:flex-start;gap:12px;padding:12px;
  border-radius:8px;transition:background .15s;color:var(--text);text-decoration:none
}
.nav-mega-item:hover{background:var(--green-50)}
.nav-mega-icon{
  width:36px;height:36px;flex-shrink:0;border-radius:8px;
  background:linear-gradient(135deg,var(--green-500),var(--green-700));color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px;
  box-shadow:0 4px 12px rgba(31,157,77,.25)
}
.nav-mega-icon.soft{background:var(--green-50);color:var(--green-600);box-shadow:none}
.nav-mega-icon.navy{background:linear-gradient(135deg,var(--navy-800),var(--navy-900));color:#fff}
.nav-mega-name{font-weight:700;font-size:14px;color:var(--navy-900);margin-bottom:2px}
.nav-mega-desc{font-size:12px;color:var(--text-3);line-height:1.4}
.nav-mega-footer{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 12px 6px;margin-top:8px;border-top:1px solid var(--border);
  font-size:13px;font-weight:700;color:var(--green-700);text-decoration:none
}
.nav-mega-footer:hover{color:var(--green-500)}
.nav-mega-footer span{transition:transform .15s}
.nav-mega-footer:hover span{transform:translateX(3px)}

/* Hub page cards */
.hub-hero{padding:140px 0 60px;background:linear-gradient(180deg,#fff,var(--bg));text-align:center;position:relative;overflow:hidden}
.hub-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 50% 30% at 50% 30%,rgba(31,157,77,.1),transparent 60%);pointer-events:none}
.hub-hero .container{position:relative;z-index:1;max-width:820px}
.hub-hero h1{margin-bottom:16px}
.hub-hero .lead{margin:0 auto 32px}

.hub-grid-6{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media(max-width:960px){.hub-grid-6{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.hub-grid-6{grid-template-columns:1fr}}
.hub-grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
@media(max-width:960px){.hub-grid-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.hub-grid-4{grid-template-columns:1fr}}

.hub-card{
  padding:32px 28px;background:var(--white);border:1px solid var(--border);
  border-radius:var(--r-lg);transition:all .3s var(--ease);
  display:flex;flex-direction:column;cursor:pointer;text-decoration:none;color:inherit;height:100%
}
.hub-card:hover{transform:translateY(-4px);border-color:var(--green-500);box-shadow:var(--glow-green)}
.hub-card h3{margin-bottom:12px;font-size:20px}
.hub-card p{margin-bottom:20px;font-size:14px;flex-grow:1;color:var(--text-2)}
.hub-card-cta{color:var(--green-600);font-weight:700;font-size:14px;display:inline-flex;align-items:center;gap:6px;margin-top:auto}
.hub-card:hover .hub-card-cta{gap:10px}
.hub-card-meta{display:flex;gap:16px;margin-top:16px;padding-top:16px;border-top:1px solid var(--border);font-size:12px;color:var(--text-3)}
.hub-card-meta strong{color:var(--navy-900)}

/* Breadcrumb */
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:24px;flex-wrap:wrap}
.breadcrumb a{color:var(--text-3);transition:color .15s}
.breadcrumb a:hover{color:var(--green-600)}
.breadcrumb-sep{color:var(--border-strong)}
.breadcrumb-current{color:var(--navy-900);font-weight:600}

/* Page hero (used by internal pages) */
.page-hero{padding:140px 0 80px;position:relative;overflow:hidden;background:linear-gradient(180deg,#fff 0%,var(--bg) 100%)}
.page-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 60% 40% at 80% 10%,rgba(31,157,77,.1),transparent 60%);pointer-events:none}
.page-hero .container{position:relative;z-index:1}
.page-hero h1{margin-bottom:20px}
.page-hero .lead{max-width:640px;margin-bottom:32px;font-size:20px}
.page-hero-ctas{display:flex;gap:12px;flex-wrap:wrap}
.page-hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:64px;align-items:center}
@media(max-width:960px){.page-hero-grid{grid-template-columns:1fr;gap:32px}}

.trust-inline{display:flex;align-items:center;gap:16px;margin-top:24px;color:var(--text-3);font-size:13px;flex-wrap:wrap}
.trust-inline strong{color:var(--navy-900)}

/* Card */
.card{background:var(--white);border:1px solid var(--border);border-radius:var(--r-lg);padding:32px;transition:all .3s var(--ease)}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.card-glow:hover{box-shadow:var(--glow-green);border-color:var(--green-500)}

.icon-tile{width:52px;height:52px;border-radius:12px;background:linear-gradient(135deg,var(--green-500),var(--green-700));color:#fff;display:flex;align-items:center;justify-content:center;margin-bottom:20px;box-shadow:var(--shadow-green);font-weight:800;font-size:20px}
.icon-tile.navy{background:linear-gradient(135deg,var(--navy-800),var(--navy-900));box-shadow:none}
.icon-tile.soft{background:var(--green-50);color:var(--green-600);box-shadow:none}

/* Feature grid */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media(max-width:960px){.feature-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.feature-grid{grid-template-columns:1fr}}

/* Number list */
.numbered-list{display:flex;flex-direction:column;gap:20px}
.numbered-item{display:flex;gap:20px;padding:24px;background:var(--white);border:1px solid var(--border);border-radius:var(--r-lg);transition:all .25s}
.numbered-item:hover{border-color:var(--green-100);box-shadow:var(--shadow-sm)}
.numbered-num{width:44px;height:44px;flex-shrink:0;border-radius:50%;background:var(--green-500);color:#fff;display:flex;align-items:center;justify-content:center;font-family:'Manrope',sans-serif;font-weight:800;font-size:18px;box-shadow:var(--shadow-green)}
.numbered-body h3{margin-bottom:8px;font-size:18px}
.numbered-body p{font-size:14px}

/* CTA banner */
.cta-band{padding:0}
.cta-band-inner{background:linear-gradient(135deg,var(--green-600) 0%,var(--green-700) 60%,var(--navy-900) 100%);border-radius:var(--r-xl);padding:64px;color:#fff;position:relative;overflow:hidden;margin:0 24px}
.cta-band-inner::before{content:'';position:absolute;right:-100px;top:-100px;width:400px;height:400px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.1),transparent 70%)}
.cta-band-grid{display:grid;grid-template-columns:1.4fr .6fr;gap:32px;align-items:center;position:relative;z-index:1}
@media(max-width:768px){.cta-band-grid{grid-template-columns:1fr}}
.cta-band-inner h2{color:#fff;margin-bottom:12px;font-size:32px}
.cta-band-inner p{color:rgba(255,255,255,.85);font-size:16px;margin-bottom:0}
.cta-band-ctas{display:flex;gap:12px;justify-content:flex-end;flex-wrap:wrap}
@media(max-width:768px){.cta-band-ctas{justify-content:flex-start}}
.cta-band .btn-primary{background:#fff;color:var(--green-700);box-shadow:none}
.cta-band .btn-primary:hover{background:#fff;box-shadow:0 12px 32px rgba(0,0,0,.2)}
.cta-band .btn-secondary{background:transparent;color:#fff;border-color:rgba(255,255,255,.3)}
.cta-band .btn-secondary:hover{border-color:#fff;background:rgba(255,255,255,.1)}

/* FAQ */
.faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--bg);border-radius:var(--r);border:1px solid var(--border);overflow:hidden;transition:all .2s}
.faq-item[open]{border-color:var(--green-100);background:var(--white);box-shadow:var(--shadow-xs)}
.faq-item summary{padding:20px 24px;cursor:pointer;font-weight:600;font-size:16px;display:flex;justify-content:space-between;align-items:center;list-style:none;color:var(--navy-900)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:'+';font-size:24px;font-weight:400;color:var(--green-600);transition:transform .2s}
.faq-item[open] summary::after{content:'\2212'}
.faq-item .a{padding:0 24px 24px;color:var(--text-2);font-size:15px;line-height:1.6}

/* Related cards */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media(max-width:960px){.related-grid{grid-template-columns:1fr}}
.related-card{padding:28px;background:var(--white);border:1px solid var(--border);border-radius:var(--r-lg);transition:all .3s var(--ease)}
.related-card:hover{transform:translateY(-4px);border-color:var(--green-500);box-shadow:var(--glow-green)}
.related-tag{font-size:11px;color:var(--green-700);font-weight:700;letter-spacing:.1em;text-transform:uppercase;margin-bottom:12px}
.related-card h4{margin-bottom:12px;font-size:18px;line-height:1.35}
.related-card p{font-size:14px;margin-bottom:16px}

/* Metric cards (used in case study, industry) */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
@media(max-width:960px){.metric-grid{grid-template-columns:repeat(2,1fr)}}
.metric-card{padding:24px;background:var(--white);border:1px solid var(--border);border-radius:var(--r-lg);text-align:center}
.metric-value{font-family:'Manrope',sans-serif;font-size:38px;font-weight:800;color:var(--green-600);line-height:1;letter-spacing:-.02em;margin-bottom:8px}
.metric-label{font-size:13px;color:var(--text-2);font-weight:500}

/* Footer */
footer{background:var(--navy-900);color:rgba(255,255,255,.7);padding:80px 0 32px;border-top:1px solid rgba(255,255,255,.08)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr 1fr;gap:48px;margin-bottom:48px}
@media(max-width:960px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px}}
.footer-brand img{height:36px;margin-bottom:20px;filter:brightness(0) invert(1) sepia(1) hue-rotate(80deg) saturate(3)}
.footer-brand p{color:rgba(255,255,255,.6);font-size:14px;line-height:1.6;margin-bottom:20px}
.footer-social{display:flex;gap:10px}
.footer-social a{width:36px;height:36px;border-radius:8px;background:rgba(255,255,255,.08);color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;transition:all .2s}
.footer-social a:hover{background:var(--green-500)}
.footer-col h4{color:#fff;font-size:14px;margin-bottom:20px;font-weight:700}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.6);transition:color .15s}
.footer-col a:hover{color:var(--green-500)}
.footer-bottom{padding-top:32px;border-top:1px solid rgba(255,255,255,.08);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;font-size:13px;color:rgba(255,255,255,.5)}
.footer-bottom a{color:rgba(255,255,255,.5)}
.footer-bottom a:hover{color:#fff}
.footer-legal{display:flex;gap:20px}

/* WA float */
.wa-float{position:fixed;bottom:24px;right:24px;z-index:90;width:60px;height:60px;border-radius:50%;background:#25D366;color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 12px 32px rgba(37,211,102,.4);animation:pulse-wa 2s infinite;transition:transform .2s}
.wa-float:hover{transform:scale(1.1)}
@keyframes pulse-wa{0%,100%{box-shadow:0 12px 32px rgba(37,211,102,.4)}50%{box-shadow:0 12px 32px rgba(37,211,102,.7),0 0 0 12px rgba(37,211,102,.15)}}

/* Preview banner (only on template preview pages) */
.preview-banner{background:var(--navy-900);color:#fff;padding:10px 24px;font-size:12px;text-align:center;font-weight:500;position:relative;z-index:101}
.preview-banner a{color:var(--green-500);font-weight:700;margin-left:8px}
.preview-banner a:hover{text-decoration:underline}