/* ============================================================
   Ntuthukho Business Solutions — ntuthukho.co.za
   Design system: deep emerald / brand teal #1B8C79
   ============================================================ */

:root{
  --emerald-950:#071f1a;
  --emerald-900:#0a2e27;
  --emerald-850:#0d3a31;
  --emerald-800:#11473c;
  --teal:#1b8c79;
  --teal-bright:#2fb89e;
  --mint:#eaf6f2;
  --mint-2:#f4faf8;
  --ink:#12211d;
  --muted:#5c6f69;
  --line:#dcebe5;
  --white:#ffffff;
  --serif:'Playfair Display', Georgia, serif;
  --sans:'Manrope', -apple-system, 'Segoe UI', sans-serif;
  --radius:14px;
  --shadow:0 10px 40px rgba(7,31,26,.10);
  --shadow-lg:0 24px 70px rgba(7,31,26,.16);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{font-family:var(--sans);color:var(--ink);background:var(--white);line-height:1.65;font-size:16.5px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--teal);text-decoration:none}
ul{list-style:none}
.container{width:min(1160px,92%);margin-inline:auto}

h1,h2,h3,.serif{font-family:var(--serif);font-weight:600;line-height:1.15;letter-spacing:-.01em}
h2{font-size:clamp(1.9rem,3.6vw,2.7rem);color:var(--emerald-900)}
h3{font-size:1.25rem;color:var(--emerald-900)}

.eyebrow{display:inline-flex;align-items:center;gap:.6rem;font-size:.78rem;font-weight:700;letter-spacing:.22em;text-transform:uppercase;color:var(--teal)}
.eyebrow::before{content:"";width:34px;height:2px;background:var(--teal-bright);display:inline-block}
.section{padding:clamp(4rem,8vw,6.5rem) 0}
.section-head{max-width:640px;margin-bottom:3rem}
.section-head p{color:var(--muted);margin-top:.9rem}
.section-head h2{margin-top:.7rem}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:.55rem;padding:.95rem 1.9rem;border-radius:999px;font-weight:700;font-size:.95rem;font-family:var(--sans);border:2px solid transparent;cursor:pointer;transition:all .25s ease}
.btn svg{transition:transform .25s ease}
.btn:hover svg{transform:translateX(4px)}
.btn-primary{background:var(--teal);color:#fff}
.btn-primary:hover{background:var(--teal-bright);transform:translateY(-2px);box-shadow:0 12px 30px rgba(27,140,121,.35)}
.btn-ghost{border-color:rgba(255,255,255,.45);color:#fff;background:transparent}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08);transform:translateY(-2px)}
.btn-dark{background:var(--emerald-900);color:#fff}
.btn-dark:hover{background:var(--emerald-800);transform:translateY(-2px);box-shadow:var(--shadow)}

/* ---------- Header / Nav ---------- */
.site-header{position:fixed;inset:0 0 auto 0;z-index:100;transition:background .35s ease,box-shadow .35s ease,padding .35s ease;padding:1.1rem 0}
.site-header .container{display:flex;align-items:center;justify-content:space-between;gap:1rem}
.site-header.scrolled{background:rgba(7,31,26,.97);box-shadow:0 6px 30px rgba(0,0,0,.25);padding:.6rem 0}
.brand{display:flex;align-items:center;gap:.7rem}
.brand img{height:52px;width:auto;transition:height .3s ease}
.site-header.scrolled .brand img{height:42px}
.nav-links{display:flex;align-items:center;gap:2rem}
.nav-links>li{position:relative}
.nav-links a{color:rgba(255,255,255,.85);font-weight:600;font-size:.95rem;padding:.4rem 0;position:relative}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-3px;width:0;height:2px;background:var(--teal-bright);transition:width .25s ease}
.nav-links a:hover{color:#fff}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-links .nav-cta{background:var(--teal);color:#fff;padding:.65rem 1.5rem;border-radius:999px}
.nav-links .nav-cta::after{display:none}
.nav-links .nav-cta:hover{background:var(--teal-bright)}

/* services dropdown */
.has-dropdown>a{display:inline-flex;align-items:center;gap:.35rem}
.dropdown{position:absolute;top:calc(100% + 14px);left:50%;transform:translateX(-50%) translateY(8px);background:#fff;border-radius:12px;box-shadow:var(--shadow-lg);padding:.6rem;min-width:270px;opacity:0;visibility:hidden;transition:all .25s ease}
.has-dropdown:hover .dropdown,.has-dropdown:focus-within .dropdown{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.dropdown::before{content:"";position:absolute;top:-14px;left:0;right:0;height:14px}
.dropdown a{display:block;color:var(--ink);padding:.65rem .9rem;border-radius:8px;font-size:.92rem}
.dropdown a:hover{background:var(--mint);color:var(--teal)}
.dropdown a::after{display:none}

.nav-toggle{display:none;background:none;border:0;cursor:pointer;width:44px;height:44px;position:relative;z-index:110}
.nav-toggle span{display:block;width:26px;height:2px;background:#fff;margin:6px auto;transition:all .3s ease}
.nav-toggle.open span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;background:
  radial-gradient(1200px 700px at 80% -10%, rgba(47,184,158,.16), transparent 60%),
  radial-gradient(900px 600px at -10% 110%, rgba(27,140,121,.22), transparent 55%),
  linear-gradient(160deg, var(--emerald-950) 0%, var(--emerald-900) 55%, var(--emerald-850) 100%);
  color:#fff;overflow:hidden;padding:7rem 0 8rem}
.hero::after{content:"";position:absolute;inset:0;background:
  radial-gradient(2px 2px at 20% 30%, rgba(255,255,255,.06) 0, transparent 100%),
  radial-gradient(2px 2px at 70% 60%, rgba(255,255,255,.05) 0, transparent 100%),
  radial-gradient(1.5px 1.5px at 45% 80%, rgba(255,255,255,.05) 0, transparent 100%);pointer-events:none}
.hero-emblem{position:absolute;right:-120px;top:50%;transform:translateY(-50%);width:min(560px,55vw);opacity:.07;animation:emblemDrift 26s ease-in-out infinite;pointer-events:none;user-select:none}
@keyframes emblemDrift{0%,100%{transform:translateY(-50%) rotate(0deg) scale(1)}50%{transform:translateY(-54%) rotate(5deg) scale(1.05)}}
.hero-inner{position:relative;z-index:2;max-width:760px}
.hero .eyebrow{color:var(--teal-bright)}
.hero h1{font-size:clamp(2.5rem,5.6vw,4.3rem);margin:1.2rem 0 1.4rem;color:#fff}
.hero h1 em{font-style:italic;color:var(--teal-bright)}
.rotator{display:inline-block;position:relative;min-width:9ch}
.rotator span{position:absolute;left:0;top:0;white-space:nowrap;opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s ease;color:var(--teal-bright);font-style:italic}
.rotator span.on{position:relative;opacity:1;transform:translateY(0)}
.hero p.lead{font-size:1.13rem;color:rgba(255,255,255,.78);max-width:600px}
.hero-ctas{display:flex;gap:1rem;flex-wrap:wrap;margin-top:2.2rem}
.trust-chips{display:flex;flex-wrap:wrap;gap:.7rem;margin-top:3rem}
.trust-chips li{display:inline-flex;align-items:center;gap:.5rem;font-size:.82rem;font-weight:700;letter-spacing:.05em;padding:.55rem 1.05rem;border:1px solid rgba(255,255,255,.22);border-radius:999px;color:rgba(255,255,255,.85);background:rgba(255,255,255,.05)}
.trust-chips svg{color:var(--teal-bright)}
.scroll-cue{position:absolute;bottom:2rem;left:50%;transform:translateX(-50%);z-index:2;color:rgba(255,255,255,.6);font-size:.75rem;letter-spacing:.25em;text-transform:uppercase;display:flex;flex-direction:column;align-items:center;gap:.6rem}
.scroll-cue::after{content:"";width:1px;height:44px;background:linear-gradient(to bottom,var(--teal-bright),transparent);animation:cue 2s ease-in-out infinite}
@keyframes cue{0%{transform:scaleY(0);transform-origin:top}45%{transform:scaleY(1);transform-origin:top}55%{transform:scaleY(1);transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}
@media(max-height:840px),(max-width:760px){.scroll-cue{display:none}}

/* ---------- Stats band ---------- */
.stats{background:var(--emerald-950);color:#fff;padding:2.2rem 0;border-top:1px solid rgba(255,255,255,.07)}
.stats .container{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem}
.stat{text-align:center;padding:.5rem}
.stat b{display:block;font-family:var(--serif);font-size:2.1rem;color:var(--teal-bright)}
.stat span{font-size:.85rem;color:rgba(255,255,255,.66);letter-spacing:.06em;text-transform:uppercase;font-weight:600}

/* ---------- About ---------- */
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:4rem;align-items:center}
.about-copy p{color:var(--muted);margin-bottom:1.1rem}
.about-copy strong{color:var(--emerald-900)}
.value-chips{display:grid;grid-template-columns:1fr 1fr;gap:.8rem;margin-top:1.8rem}
.value-chips li{display:flex;gap:.7rem;align-items:flex-start;background:var(--mint-2);border:1px solid var(--line);border-radius:12px;padding:.9rem 1rem;font-size:.92rem}
.value-chips b{color:var(--emerald-900)}
.value-chips svg{flex:none;color:var(--teal);margin-top:.15rem}
.about-visual{position:relative}
.about-visual .photo{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg)}
.about-visual .photo img{width:100%;height:520px;object-fit:cover}
.badge-card{position:absolute;left:-2rem;bottom:2rem;background:var(--emerald-900);color:#fff;border-radius:14px;padding:1.2rem 1.5rem;box-shadow:var(--shadow-lg);display:flex;gap:1rem;align-items:center}
.badge-card b{font-family:var(--serif);font-size:1.6rem;color:var(--teal-bright);display:block;line-height:1}
.badge-card span{font-size:.8rem;color:rgba(255,255,255,.75)}

/* ---------- Services ---------- */
.services{background:linear-gradient(to bottom,var(--mint-2),#fff)}
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.svc-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:2rem 1.8rem;transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;display:flex;flex-direction:column;gap:1rem;overflow:hidden}
.svc-card::before{content:"";position:absolute;inset:0 0 auto 0;height:4px;background:linear-gradient(90deg,var(--teal),var(--teal-bright));transform:scaleX(0);transform-origin:left;transition:transform .35s ease}
.svc-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.svc-card:hover::before{transform:scaleX(1)}
.svc-icon{width:56px;height:56px;border-radius:14px;background:var(--mint);color:var(--teal);display:grid;place-items:center}
.svc-card p{color:var(--muted);font-size:.95rem;flex:1}
.svc-link{font-weight:700;font-size:.92rem;display:inline-flex;align-items:center;gap:.4rem}
.svc-link svg{transition:transform .25s ease}
.svc-card:hover .svc-link svg{transform:translateX(4px)}

/* ---------- Why ---------- */
.why{background:var(--emerald-900);color:#fff;position:relative;overflow:hidden}
.why .emblem-bg{position:absolute;left:-150px;bottom:-150px;width:480px;opacity:.05;pointer-events:none}
.why h2{color:#fff}
.why .section-head p{color:rgba(255,255,255,.7)}
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.4rem}
.why-item{border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);padding:1.8rem 1.5rem;background:rgba(255,255,255,.04);transition:background .3s ease,transform .3s ease}
.why-item:hover{background:rgba(255,255,255,.08);transform:translateY(-4px)}
.why-item .num{font-family:var(--serif);font-size:2.4rem;color:var(--teal-bright);line-height:1}
.why-item h3{color:#fff;margin:.8rem 0 .5rem;font-size:1.1rem}
.why-item p{color:rgba(255,255,255,.68);font-size:.92rem}

/* ---------- Portfolio ---------- */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:210px;gap:1rem}
.gallery a{border-radius:12px;overflow:hidden;position:relative;display:block}
.gallery a:nth-child(1){grid-row:span 2}
.gallery a:nth-child(4){grid-row:span 2}
.gallery img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.gallery a::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(7,31,26,.45),transparent 50%);opacity:0;transition:opacity .3s ease}
.gallery a:hover img{transform:scale(1.06)}
.gallery a:hover::after{opacity:1}

/* ---------- Capture band ---------- */
.capture{background:
  radial-gradient(800px 400px at 85% 20%, rgba(47,184,158,.18), transparent 60%),
  linear-gradient(140deg,var(--emerald-950),var(--emerald-900));color:#fff;position:relative;overflow:hidden}
.capture .container{display:grid;grid-template-columns:1.1fr .9fr;gap:3rem;align-items:center}
.capture h2{color:#fff}
.capture p{color:rgba(255,255,255,.72);margin-top:.8rem}
.capture-form{display:flex;gap:.7rem;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.18);padding:.5rem;border-radius:999px}
.capture-form input{flex:1;background:transparent;border:0;outline:0;color:#fff;font-family:var(--sans);font-size:1rem;padding:.6rem 1.1rem}
.capture-form input::placeholder{color:rgba(255,255,255,.45)}
.form-note{font-size:.8rem;color:rgba(255,255,255,.5);margin-top:.8rem;padding-left:1.2rem}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:3.5rem}
.contact-info li{display:flex;gap:1rem;align-items:flex-start;padding:1.1rem 0;border-bottom:1px solid var(--line)}
.contact-info li:last-child{border:0}
.contact-info svg{flex:none;color:var(--teal);margin-top:.2rem}
.contact-info b{display:block;color:var(--emerald-900);font-size:.95rem}
.contact-info span,.contact-info a{color:var(--muted);font-size:.95rem}
.contact-info a:hover{color:var(--teal)}
.contact-form{background:var(--mint-2);border:1px solid var(--line);border-radius:var(--radius);padding:2.2rem}
.field{margin-bottom:1.1rem}
.field label{display:block;font-weight:700;font-size:.85rem;margin-bottom:.4rem;color:var(--emerald-900)}
.field input,.field textarea,.field select{width:100%;border:1px solid var(--line);border-radius:10px;padding:.85rem 1rem;font-family:var(--sans);font-size:.95rem;background:#fff;outline:none;transition:border-color .2s ease,box-shadow .2s ease;color:var(--ink)}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--teal);box-shadow:0 0 0 3px rgba(27,140,121,.12)}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem}

/* ---------- Footer ---------- */
.site-footer{background:var(--emerald-950);color:rgba(255,255,255,.7);padding:4rem 0 2rem}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.2fr;gap:2.5rem;padding-bottom:3rem;border-bottom:1px solid rgba(255,255,255,.1)}
.site-footer img{height:64px;margin-bottom:1rem}
.site-footer h4{color:#fff;font-size:.9rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:1.1rem}
.site-footer li{margin-bottom:.6rem;font-size:.92rem}
.site-footer a{color:rgba(255,255,255,.7)}
.site-footer a:hover{color:var(--teal-bright)}
.compliance{font-size:.85rem;line-height:1.9}
.footer-bottom{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;padding-top:1.6rem;font-size:.82rem;color:rgba(255,255,255,.45)}

/* ---------- Service page ---------- */
.page-hero{position:relative;background:
  radial-gradient(900px 500px at 85% 0%, rgba(47,184,158,.15), transparent 60%),
  linear-gradient(150deg,var(--emerald-950),var(--emerald-900));color:#fff;padding:11rem 0 5rem;overflow:hidden}
.page-hero .hero-emblem{width:420px;right:-90px;opacity:.06}
.breadcrumb{font-size:.85rem;color:rgba(255,255,255,.55);margin-bottom:1.2rem}
.breadcrumb a{color:rgba(255,255,255,.75)}
.breadcrumb a:hover{color:var(--teal-bright)}
.page-hero h1{font-size:clamp(2.3rem,4.5vw,3.4rem);color:#fff;max-width:720px}
.page-hero p.lead{color:rgba(255,255,255,.75);max-width:640px;margin-top:1.2rem;font-size:1.1rem}
.deliver-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.2rem}
.deliver-item{display:flex;gap:1rem;background:#fff;border:1px solid var(--line);border-radius:12px;padding:1.4rem 1.5rem;transition:transform .25s ease,box-shadow .25s ease}
.deliver-item:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.deliver-item svg{flex:none;color:var(--teal);margin-top:.2rem}
.deliver-item b{color:var(--emerald-900);display:block;margin-bottom:.2rem}
.deliver-item p{color:var(--muted);font-size:.92rem}
.cta-band{background:linear-gradient(120deg,var(--teal),var(--teal-bright));color:#fff;border-radius:var(--radius);padding:3rem;display:flex;align-items:center;justify-content:space-between;gap:2rem;flex-wrap:wrap;box-shadow:var(--shadow-lg)}
.cta-band h3{color:#fff;font-size:1.6rem}
.cta-band p{color:rgba(255,255,255,.85)}
.cta-band .btn{background:#fff;color:var(--emerald-900)}
.cta-band .btn:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(0,0,0,.2)}
.other-services{background:var(--mint-2)}
.mini-svc{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.mini-svc a{background:#fff;border:1px solid var(--line);border-radius:12px;padding:1.3rem 1.4rem;color:var(--emerald-900);font-weight:700;font-size:.95rem;display:flex;align-items:center;justify-content:space-between;gap:.6rem;transition:all .25s ease}
.mini-svc a:hover{border-color:var(--teal);color:var(--teal);transform:translateY(-3px);box-shadow:var(--shadow)}

/* ---------- Reveal on scroll ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:none}
.reveal-d1{transition-delay:.1s}.reveal-d2{transition-delay:.2s}.reveal-d3{transition-delay:.3s}.reveal-d4{transition-delay:.4s}

/* ---------- Responsive ---------- */
@media(max-width:1020px){
  .svc-grid{grid-template-columns:repeat(2,1fr)}
  .why-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .about-grid{grid-template-columns:1fr;gap:3rem}
  .about-visual .photo img{height:420px}
  .capture .container{grid-template-columns:1fr;gap:2rem}
  .contact-grid{grid-template-columns:1fr}
  .mini-svc{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:760px){
  .nav-toggle{display:block}
  .nav-links{position:fixed;inset:0;background:var(--emerald-950);flex-direction:column;align-items:center;justify-content:center;gap:1.5rem;transform:translateX(100%);transition:transform .35s ease;z-index:105;overflow-y:auto;padding:5rem 1.5rem 2.5rem}
  .nav-links.open{transform:translateX(0)}
  .nav-links a{font-size:1.15rem}
  .nav-links>li{width:100%;text-align:center}
  .dropdown,
  .has-dropdown:hover .dropdown,
  .has-dropdown:focus-within .dropdown{position:static;transform:none;opacity:1;visibility:visible;background:transparent;box-shadow:none;min-width:0;padding:0;text-align:center;display:none;transition:none}
  .has-dropdown.open .dropdown{display:block;padding-top:.9rem}
  .has-dropdown.open>a svg{transform:rotate(180deg)}
  .has-dropdown>a svg{transition:transform .25s ease}
  .dropdown a{color:rgba(255,255,255,.6);font-size:.98rem;padding:.55rem 0;border-radius:0}
  .dropdown a:hover{background:transparent;color:var(--teal-bright)}
  .stats .container{grid-template-columns:repeat(2,1fr)}
  .svc-grid{grid-template-columns:1fr}
  .why-grid{grid-template-columns:1fr}
  .gallery{grid-template-columns:repeat(2,1fr);grid-auto-rows:170px}
  .field-row{grid-template-columns:1fr}
  .badge-card{left:1rem;bottom:1rem;padding:1rem 1.2rem}
  .capture-form{flex-direction:column;border-radius:18px}
  .capture-form .btn{justify-content:center}
  .footer-grid{grid-template-columns:1fr}
  .deliver-grid{grid-template-columns:1fr}
  .cta-band{padding:2rem}
  .hero-ctas .btn{width:100%;justify-content:center}
}