/* Portfolio shell (theme + header/footer) extracted from portfolio.html */

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Poppins',sans-serif;color:var(--ink);background:var(--surface)}

:root{
  /* SDH-inspired brand palette (from provided logo) */
  --brand:#75bf53;
  --brand-2:#75bf53;
  --brand-dark:#75bf53;
  --brand-900:#1b2c36;
  --brand-soft:rgba(117,191,83,.16);

  --ink:var(--brand-900);
  --surface:#f6f8fb;

  --footer-bg:#304857;
  --footer-bg-2:#304857;
  --footer-text:rgba(255,255,255,.78);
  --footer-muted:rgba(255,255,255,.60);
  --footer-line:rgba(255,255,255,.12);
  --footer-pill:rgba(255,255,255,.08);
}

/* ===== HEADER (same as about.html) ===== */
.topbar{background:var(--brand-dark);color:#fff;font-size:12px;padding:10px 40px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar-left,.topbar-right{display:flex;align-items:center;gap:18px}
.topbar-item{display:flex;align-items:center;gap:8px;white-space:nowrap;opacity:.95}
.topbar-ico{width:14px;height:14px;opacity:.9;flex:0 0 auto}
.topbar a{color:inherit;text-decoration:none}
.topbar a:hover{opacity:1;text-decoration:underline}

.topbar-lang{display:flex;align-items:center;gap:8px;white-space:nowrap}
.topbar-lang select{appearance:none;background:transparent;border:none;color:#fff;font:600 12px/1.2 'Poppins',sans-serif;padding-right:18px;cursor:pointer}
.topbar-lang select:focus-visible{outline:3px solid rgba(255,255,255,.45);outline-offset:3px}
.topbar-lang .caret{width:10px;height:10px;opacity:.9}

.topbar-social{display:flex;align-items:center;gap:10px;margin-left:6px}
.topbar-social a{width:26px;height:26px;border-radius:999px;display:grid;place-items:center;background:rgba(255,255,255,.12);text-decoration:none}
.topbar-social a:hover{background:rgba(255,255,255,.18)}
.topbar-social svg{width:14px;height:14px;display:block}

header{background:#fff;padding:12px 40px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none}
.logo img{height:52px;width:auto;display:block}
nav ul{list-style:none;display:flex;gap:26px;font-weight:500}
nav#primary-nav a{text-decoration:none;color:var(--ink);font-size:14px}
nav#primary-nav li.has-submenu > a{display:inline-flex;align-items:center;gap:6px}
nav#primary-nav li.has-submenu > a::after{content:'▾';font-size:12px;opacity:.7;transform:translateY(-1px)}

.header-actions{display:flex;align-items:center;gap:16px}
.contact{display:flex;align-items:center;gap:10px}
.contact svg{width:18px;height:18px;color:var(--brand)}
.contact strong{font-size:14px;white-space:nowrap}
.btn{background:var(--brand);color:#fff;border:none;padding:12px 22px;font-weight:700}
.menu-toggle{width:44px;height:44px;border:none;background:transparent;display:grid;place-items:center;cursor:pointer}
.menu-toggle .bars{width:22px;height:16px;position:relative}
.menu-toggle .bars::before,.menu-toggle .bars::after,.menu-toggle .bars span{content:'';position:absolute;left:0;right:0;height:2px;background:var(--ink);border-radius:2px}
.menu-toggle .bars::before{top:0}
.menu-toggle .bars span{top:7px}
.menu-toggle .bars::after{bottom:0}
.menu-toggle:focus-visible{outline:3px solid rgba(117,191,83,.55);outline-offset:3px}

@media(max-width:980px){
  .topbar{padding:10px 18px}
  header{padding:14px 18px}
  nav#primary-nav{display:block}
}

/* ===== MOBILE NAV (uses existing <nav>) ===== */
.nav-backdrop{position:fixed;inset:0;background:rgba(2,8,23,.55);opacity:0;pointer-events:none;transition:.18s ease;z-index:60}
body.nav-open .nav-backdrop{opacity:1;pointer-events:auto}
@media(max-width:980px){
  header{position:sticky;top:0;z-index:70;box-shadow:0 12px 30px rgba(2,8,23,.08)}
  nav#primary-nav{position:fixed;top:0;right:0;bottom:0;width:min(340px, 88vw);background:#fff;z-index:70;
    transform:translateX(105%);transition:.2s ease;box-shadow:-20px 0 60px rgba(2,8,23,.18);
    padding:88px 18px 18px
  }
  body.nav-open nav#primary-nav{transform:translateX(0)}
  nav#primary-nav ul{flex-direction:column;gap:14px}
  nav#primary-nav a{font-size:16px}
}

.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:absolute;left:12px;top:12px;z-index:1000;background:#fff;color:var(--ink);padding:10px 12px;text-decoration:none;border:2px solid rgba(117,191,83,.55);transform:translateY(-140%);transition:.18s ease}
.skip-link:focus{transform:translateY(0)}

/* ===== HERO ===== */
.hero{
  position:relative;
  min-height:380px;
  background:
    linear-gradient(180deg, rgba(11,42,27,.55), rgba(11,42,27,.10)),
    var(--hero-bg, url('https://images.unsplash.com/photo-1496307653780-42ee777d4833?auto=format&fit=crop&w=2000&q=80'))
    center/cover no-repeat;
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:120px 24px 110px;
  margin:0 auto;
  overflow:hidden
}
.hero::after{content:'';position:absolute;inset:0;background:linear-gradient(0deg, rgba(11,42,27,.35), rgba(11,42,27,.05));mix-blend-mode:multiply}
.hero-inner{position:relative;z-index:1;text-align:center;display:grid;gap:12px}
.hero-breadcrumb{color:rgba(255,255,255,.85);font-weight:500;font-size:14px;display:flex;gap:10px;justify-content:center;align-items:center}
.hero-breadcrumb a{color:rgba(255,255,255,.85);text-decoration:none}
.hero-breadcrumb a:hover{text-decoration:underline}
.hero h1{color:#fff;font-size:46px;margin:0}

@media(max-width:640px){
  .hero{min-height:320px;padding:120px 18px 90px}
  .hero h1{font-size:40px}
}

/* ===== FOOTER (same as about.html) ===== */
.site-footer{position:relative;background:radial-gradient(1100px 620px at 86% 25%, rgba(255,255,255,.08), transparent 60%), var(--footer-bg);color:#fff;overflow:hidden}
.site-footer::before{content:'';position:absolute;inset:0;background:url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><path opacity=".05" d="M0 300 Q300 200 600 300 T1200 300" stroke="%23fff" fill="none"/></svg>');background-repeat:repeat-x;background-position:0 bottom;z-index:0;opacity:.6}
.footer-inner{position:relative;max-width:1200px;margin:auto;padding:46px 40px 26px}
.footer-top{display:flex;align-items:center;justify-content:space-between;gap:20px}
.footer-brand{display:flex;align-items:center;gap:12px;font-weight:700;letter-spacing:.12em}
.footer-brand .mark{width:34px;height:34px;display:grid;place-items:center;border-radius:8px;background:rgba(255,255,255,.10)}
.footer-brand span{font-size:22px}
.footer-brand img{height:46px;width:auto;display:block;border-radius:999px;background:#fff;padding:2px}
.footer-social{display:flex;gap:12px}
.footer-social a{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:var(--footer-pill);color:#fff;text-decoration:none;transition:.2s ease}
.footer-social a:hover{background:rgba(255,255,255,.15)}
.footer-social a:focus-visible{outline:3px solid rgba(117,191,83,.6);outline-offset:4px}
.footer-social svg{width:18px;height:18px;display:block}

.footer-divider{position:relative;height:1px;background:var(--footer-line);margin:26px 0;z-index:1}

.footer-grid{display:grid;grid-template-columns:repeat(4, 1fr);gap:46px}
.footer-title{display:block;font-weight:700;font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:#fff;margin-bottom:18px}
.footer-contact{display:flex;flex-direction:column;gap:18px}
.footer-contact .item{display:flex;gap:12px;align-items:flex-start}
.footer-contact .ico{width:20px;height:20px;flex:0 0 20px;display:grid;place-items:center;color:#fff;opacity:.8;margin-top:2px}
.footer-contact .ico svg{width:18px;height:18px}
.footer-contact .value{font-size:14px;line-height:1.4;color:var(--footer-text)}
.footer-contact .address{font-size:12px;color:var(--footer-muted);line-height:1.5}

.footer-links{display:flex;flex-direction:column;gap:12px;list-style:none}
.footer-links a{color:var(--footer-text);text-decoration:none;font-size:14px;transition:.2s ease}
.footer-links a:hover{color:#fff;text-decoration:underline}
.footer-links a:focus-visible{outline:3px solid rgba(117,191,83,.6);outline-offset:4px}

.footer-cta h3{font-size:24px;line-height:1.2;margin-bottom:10px;font-weight:800;color:#fff}
.footer-cta p{color:var(--footer-text);font-size:14px;line-height:1.6;margin-bottom:16px}
.subscribe{display:flex;gap:8px}
.subscribe input{flex:1;padding:12px 16px;border:none;font-family:'Poppins',sans-serif;font-size:14px}
.subscribe input::placeholder{color:rgba(11,42,27,.5)}
.subscribe button{background:var(--brand);color:#fff;border:none;padding:12px 24px;font-weight:700;cursor:pointer;transition:.2s ease;white-space:nowrap}
.subscribe button:hover{filter:saturate(1.05)}
.subscribe button:focus-visible{outline:3px solid rgba(117,191,83,.6);outline-offset:4px}

.footer-bottom{position:relative;padding:18px 0 0;border-top:1px solid var(--footer-line);margin-top:34px;color:var(--footer-muted);font-size:13px;z-index:1}
.footer-bottom p{margin:0}

@media(max-width:980px){
  .footer-top{flex-direction:column;align-items:flex-start;gap:26px}
  .footer-grid{grid-template-columns:repeat(2, 1fr);gap:34px}
}
@media(max-width:560px){
  .footer-inner{padding:38px 18px 18px}
  .footer-bottom{padding:16px 18px 28px;margin-left:-18px;margin-right:-18px;padding-left:18px;padding-right:18px}
  .footer-top{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr}
  .footer-cta{grid-column:1/-1}
  .footer-cta h3{font-size:24px}
  .subscribe{max-width:none}
}