/* ============================================================
   Conditional Access & Security (UK) Limited — Systems and Controls
   Light professional theme
   ============================================================ */

:root{
  --bg:#f6f8fb;
  --bg-2:#e8eef6;
  --surface:#ffffff;
  --line:#e2e8f2;
  --line-2:#cbd6e6;
  --ink:#132038;
  --ink-2:#31435e;
  --muted:#51627e;
  --muted-2:#75869f;
  --navy:#132038;
  --accent:#f28c00;
  --accent-2:#ffb03a;
  --accent-ink:#b96a00;
  --accent-soft:rgba(242,140,0,.1);
  --c-fire:#e11d48;--c-ac:#0284c7;--c-access:#16a34a;--c-net:#7c3aed;--c-cctv:#d97706;
  --maxw:1200px;--radius:18px;
  --shadow:0 18px 44px -22px rgba(19,32,56,.28);
  --shadow-lg:0 28px 64px -24px rgba(19,32,56,.38);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--ink-2);line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3,h4,h5{font-family:'Space Grotesk',sans-serif;line-height:1.12;letter-spacing:-.02em;color:var(--ink);font-weight:600}
a{color:inherit;text-decoration:none}
svg,img{display:block;max-width:100%}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}

.kicker{display:inline-block;font-family:'IBM Plex Mono',monospace;font-weight:600;font-size:.74rem;letter-spacing:.22em;text-transform:uppercase;color:var(--accent-ink);margin-bottom:1rem}
.accent{color:var(--accent)}
.dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 3px var(--accent-soft);margin-right:.2rem;vertical-align:middle}

.section{padding:clamp(3.5rem,6.5vw,6rem) 0}
.head{max-width:760px;margin:0 auto 2.8rem;text-align:center}
.head h2{font-size:clamp(1.9rem,3.6vw,2.7rem);margin-bottom:1rem}
.head p{color:var(--muted);font-size:1.05rem}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:.96rem;padding:.95rem 1.6rem;border-radius:12px;cursor:pointer;border:1.5px solid transparent;transition:.24s ease;white-space:nowrap}
.btn--primary{background:linear-gradient(135deg,var(--accent-2),var(--accent));color:#241300;box-shadow:0 14px 30px -12px rgba(242,140,0,.55)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 20px 42px -14px rgba(242,140,0,.65)}
.btn--outline{border-color:var(--line-2);color:var(--ink);background:#fff}
.btn--outline:hover{border-color:var(--accent);color:var(--accent-ink);transform:translateY(-2px)}
.btn--full{width:100%}

/* 1. Notification bar */
.notify{background:var(--navy);font-size:.8rem}
.notify__inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.55rem 24px;flex-wrap:wrap}
.notify__area{color:#c9d5e8}
.notify__cred{color:#93a5c1;font-family:'IBM Plex Mono',monospace;font-size:.74rem}

/* 2. Header */
.header{position:sticky;top:0;z-index:60;background:rgba(16,27,47,.94);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.1)}
.header__inner{display:flex;align-items:center;gap:1.2rem;padding:.8rem 24px}
.brand{display:flex;align-items:center;gap:.7rem;margin-right:auto}
.brand__mark{display:grid;place-items:center;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:10px}
.brand__text{display:flex;flex-direction:column;line-height:1.1}
.brand__name{font-family:'Space Grotesk',sans-serif;font-weight:600;color:#fff;font-size:1rem}
.brand__tag{font-family:'IBM Plex Mono',monospace;font-size:.66rem;letter-spacing:.22em;text-transform:uppercase;color:var(--accent-2)}
.nav{display:flex;align-items:center;gap:1.6rem}
.nav a{color:#c9d5e8;font-weight:500;font-size:.94rem;transition:.2s}
.nav a:hover{color:#fff}
.nav__cta{border:1.5px solid rgba(255,255,255,.3);padding:.55rem 1.05rem;border-radius:10px;color:#fff!important}
.nav__cta:hover{border-color:var(--accent-2);color:var(--accent-2)!important}
.header__phone{display:inline-flex;align-items:center;gap:.5rem;background:linear-gradient(135deg,var(--accent-2),var(--accent));color:#241300;font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:.9rem;padding:.6rem 1.05rem;border-radius:10px;transition:.2s}
.header__phone:hover{transform:translateY(-1px)}
.nav__toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.nav__toggle span{width:26px;height:2px;background:#fff;border-radius:2px;transition:.3s}
.nav__toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav__toggle.open span:nth-child(2){opacity:0}
.nav__toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* 3. Hero — navy brand band */
.hero{position:relative;overflow:hidden;background:linear-gradient(165deg,#1a2c4e 0%,var(--navy) 55%,#0e1930 100%)}
.hero__bg{position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:46px 46px;mask-image:radial-gradient(120% 85% at 60% 10%,#000 0%,transparent 72%);-webkit-mask-image:radial-gradient(120% 85% at 60% 10%,#000 0%,transparent 72%)}
.hero__inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:3rem;align-items:center;padding:clamp(3rem,5.5vw,5rem) 0 clamp(3.25rem,6vw,5.25rem)}
.hero .kicker{color:var(--accent-2)}
.hero h1{font-size:clamp(2.1rem,4.4vw,3.3rem);font-weight:700;margin-bottom:1.25rem;color:#fff}
.hero__sub{font-size:clamp(1rem,1.4vw,1.13rem);color:#b7c5dd;max-width:620px;margin-bottom:1.9rem}
.hero__sub strong{color:#fff;font-weight:600}
.hero__cta{display:flex;gap:1rem;flex-wrap:wrap;margin-bottom:2rem}
.hero .btn--outline{background:transparent;border-color:rgba(255,255,255,.4);color:#fff}
.hero .btn--outline:hover{border-color:var(--accent-2);color:var(--accent-2)}
.hero__badges{list-style:none;display:flex;flex-wrap:wrap;gap:.55rem}
.hero__badges li{font-family:'IBM Plex Mono',monospace;font-size:.72rem;color:#d5e0f0;padding:.42rem .75rem;border:1px solid rgba(255,255,255,.2);border-radius:8px;background:rgba(255,255,255,.05)}

/* Hero visual — real building photo + service cards */
.showcase{position:relative;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg);
  background:linear-gradient(160deg,rgba(19,32,56,.18),rgba(19,32,56,.55) 78%),
             url('images/hero-building.jpg') center/cover no-repeat;}
.showcase__panel{display:flex;flex-direction:column;gap:.85rem;padding:1.4rem}
.scard-h{border:1px solid rgba(255,255,255,.35);border-radius:14px;background:rgba(255,255,255,.86);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);padding:1.1rem 1.2rem;transition:.25s;box-shadow:0 10px 26px -14px rgba(19,32,56,.4)}
.scard-h:hover{transform:translateY(-3px)}
.scard-h__k{display:block;font-family:'IBM Plex Mono',monospace;font-size:.64rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);margin-bottom:.35rem}
.scard-h h2,.scard-h h3,.scard-h h4{color:var(--ink);letter-spacing:-.01em}
.scard-h--fire{border-left:4px solid var(--accent);background:rgba(255,255,255,.94)}
.scard-h--fire .scard-h__k{color:var(--accent-ink)}
.scard-h--fire h2{font-size:1.35rem;line-height:1.15}
.scard-h__chips{margin-top:.55rem;font-family:'IBM Plex Mono',monospace;font-size:.72rem;color:var(--accent-ink)}
.scard-h--ac h3{font-size:1.1rem}
.scard-h__row{display:grid;grid-template-columns:repeat(3,1fr);gap:.7rem}
.scard-h--sm{padding:.85rem .9rem}
.scard-h--sm h4{font-size:.9rem;line-height:1.25}
.scard-h--sm .scard-h__k{font-size:.58rem;margin-bottom:.25rem}

/* 4. Strip */
.strip{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.strip__track{display:flex;flex-wrap:wrap;align-items:center;gap:1rem 2rem;justify-content:center;padding:1.05rem 24px}
.strip__label{font-family:'IBM Plex Mono',monospace;font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted-2)}
.strip__track span:not(.strip__label){font-family:'Space Grotesk',sans-serif;font-weight:600;color:var(--ink-2);font-size:.95rem}

/* 5. Bento */
.bento{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:minmax(150px,auto);gap:1.1rem}
.tile{position:relative;overflow:hidden;display:flex;flex-direction:column;padding:1.5rem 1.5rem 0;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow);transition:.3s}
.tile:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.tile__label{font-family:'IBM Plex Mono',monospace;font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted-2);margin-bottom:.6rem}
.tile h3{font-size:1.2rem;margin-bottom:.4rem}
.tile p{color:var(--muted);font-size:.93rem}
.tile__link{margin-top:.65rem;font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:.88rem;color:var(--accent-ink)}
.tile__img{flex:1;margin:1rem -1.5rem 0;min-height:150px;overflow:hidden;border-top:1px solid var(--line)}
.tile__img img{width:100%;height:100%;object-fit:cover;display:block;transition:.4s}
.tile:hover .tile__img img{transform:scale(1.04)}
.tile--lg{grid-column:span 2;grid-row:span 2}
.tile--wide{grid-column:span 2}
.tile--fire{border-top:4px solid var(--accent)}
.tile--fire h3{font-size:1.6rem}
.tile--fire p{font-size:1rem}
.tile--ac{border-top:4px solid var(--c-ac)}
.tile--ac h3{font-size:1.3rem}

/* 6. Maintenance */
.maint{background:var(--navy)}
.maint__inner{border-radius:22px;padding:clamp(1.6rem,3.5vw,2.8rem);background:radial-gradient(120% 130% at 100% 0%,rgba(242,140,0,.16),transparent 55%)}
.maint__head{max-width:820px}
.maint__head h2{font-size:clamp(1.7rem,3vw,2.4rem);margin-bottom:1rem;color:#fff}
.maint__head p{color:#c9d5e8}
.maint__grid{display:grid;grid-template-columns:1fr 1fr;gap:.55rem 2.5rem;margin:1.7rem 0}
.mlist{list-style:none;display:grid;gap:.55rem}
.mlist li{position:relative;padding-left:1.7rem;color:#dbe4f2;font-size:.95rem}
.mlist li::before{content:"";position:absolute;left:0;top:.4em;width:13px;height:13px;border-radius:4px;background:rgba(242,140,0,.2);border:1px solid var(--accent-2)}
.mlist li::after{content:"";position:absolute;left:4.5px;top:.52em;width:4px;height:7px;border:solid var(--accent-2);border-width:0 2px 2px 0;transform:rotate(45deg)}
.maint__cta{display:flex;gap:1rem;flex-wrap:wrap}
.maint .btn--outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.maint .btn--outline:hover{border-color:var(--accent-2);color:var(--accent-2)}

/* 7. Integrated */
.integ{background:var(--bg-2)}
.sysgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.1rem}
.scell{padding:1.4rem;border:1px solid var(--line);border-radius:14px;background:#fff;box-shadow:var(--shadow);transition:.25s}
.scell:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.scell__k{display:block;font-family:'IBM Plex Mono',monospace;font-size:.74rem;letter-spacing:.06em;color:var(--accent-ink);margin-bottom:.5rem}
.scell p{color:var(--muted);font-size:.92rem}
.integ__cta{text-align:center;margin-top:2rem}

/* 8. Service detail */
.detail--alt{background:var(--bg-2)}
.detail__row{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center}
.detail--alt .detail__row{direction:rtl}
.detail--alt .detail__row>*{direction:ltr}
.detail__media{position:relative;border-radius:var(--radius);border:1px solid var(--line);overflow:hidden;background:#fff;box-shadow:var(--shadow)}
.detail__media img{width:100%;height:100%;max-height:440px;object-fit:cover;display:block;transition:.4s}
.detail__media:hover img{transform:scale(1.03)}
.detail__tag{position:absolute;top:14px;left:14px;z-index:2;font-family:'IBM Plex Mono',monospace;font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:#fff;background:rgba(19,32,56,.82);padding:.35rem .7rem;border-radius:7px}
.detail__media[data-accent="fire"]{border-color:rgba(225,29,72,.35)}
.detail__media[data-accent="ac"]{border-color:rgba(2,132,199,.35)}
.detail__media[data-accent="access"]{border-color:rgba(22,163,74,.35)}
.detail__media[data-accent="net"]{border-color:rgba(124,58,237,.3)}
.detail__media[data-accent="cctv"]{border-color:rgba(217,119,6,.35)}
.detail__media[data-accent="intruder"]{border-color:rgba(37,99,235,.3)}
.detail__copy h2{font-size:clamp(1.6rem,2.8vw,2.2rem);margin-bottom:1rem}
.detail__copy>p{color:var(--muted);margin-bottom:1.3rem}
.ticks{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:.55rem .9rem;margin-bottom:1.6rem}
.ticks li{position:relative;padding-left:1.7rem;color:var(--ink-2);font-size:.92rem}
.ticks li::before{content:"";position:absolute;left:0;top:.35em;width:14px;height:14px;border-radius:4px;background:var(--accent-soft);border:1px solid var(--accent)}
.ticks li::after{content:"";position:absolute;left:5px;top:.5em;width:4px;height:7px;border:solid var(--accent-ink);border-width:0 2px 2px 0;transform:rotate(45deg)}

/* Supporting */
.support{display:grid;grid-template-columns:repeat(4,1fr);gap:1.1rem}
.support--media{grid-template-columns:.9fr 1.1fr;align-items:stretch}
.support__media img{max-height:none;height:100%}
.support__cards{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem}
.scard{padding:1.5rem;border:1px solid var(--line);border-radius:14px;background:#fff;box-shadow:var(--shadow);transition:.25s}
.scard:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.scard h4{font-size:1.05rem;margin-bottom:.4rem}
.scard p{color:var(--muted);font-size:.88rem}

/* 9. Sectors */
.sectors{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.sector{padding:1.35rem 1.2rem;border:1px solid var(--line);border-radius:12px;background:#fff;box-shadow:var(--shadow);font-family:'Space Grotesk',sans-serif;font-weight:600;color:var(--ink);text-align:center;transition:.25s}
.sector:hover{border-color:var(--accent);color:var(--accent-ink);transform:translateY(-3px)}

/* 10. Process */
.process{background:var(--bg-2)}
.steps{list-style:none;display:grid;grid-template-columns:repeat(5,1fr);gap:1.1rem}
.step{padding:1.5rem 1.3rem;border:1px solid var(--line);border-radius:14px;background:#fff;box-shadow:var(--shadow)}
.step__n{font-family:'IBM Plex Mono',monospace;color:var(--accent-ink);font-size:.85rem;letter-spacing:.1em}
.step h4{font-size:1.1rem;margin:.55rem 0 .35rem}
.step p{color:var(--muted);font-size:.88rem}

/* 11. Compliance */
.comp__grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:3rem;align-items:start}
.comp__copy h2{font-size:clamp(1.7rem,3vw,2.3rem);margin-bottom:1rem}
.comp__copy p{color:var(--muted);margin-bottom:1.4rem}
.comp__list{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.comp__list li{padding:1.3rem;border:1px solid var(--line);border-radius:14px;background:#fff;box-shadow:var(--shadow)}
.comp__list h4{font-size:1rem;margin-bottom:.35rem}
.comp__list p{color:var(--muted);font-size:.88rem}

/* 12. Contact */
.contact{background:var(--bg-2)}
.qbtns{display:flex;flex-wrap:wrap;gap:.7rem;justify-content:center;margin-bottom:2.2rem}
.qbtn{font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:.9rem;color:var(--ink);background:#fff;border:1.5px solid var(--line-2);border-radius:999px;padding:.7rem 1.2rem;cursor:pointer;transition:.22s}
.qbtn:hover,.qbtn.is-active{border-color:var(--accent);color:var(--accent-ink);background:var(--accent-soft)}
.contact__grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:3rem;align-items:start}
.contact__list{list-style:none;display:grid;gap:1.2rem}
.contact__list li{display:flex;flex-direction:column;gap:.15rem}
.ci{font-family:'IBM Plex Mono',monospace;font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2)}
.contact__list a{font-family:'Space Grotesk',sans-serif;font-weight:600;color:var(--ink)}
.contact__list a:hover{color:var(--accent-ink)}
.ci__v{color:var(--ink-2);font-size:.95rem}
.contact__form{border:1px solid var(--line);border-radius:var(--radius);padding:1.8rem;background:#fff;box-shadow:var(--shadow)}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.field{margin-bottom:1rem}
.field label{display:block;font-size:.82rem;font-weight:600;color:var(--ink);margin-bottom:.4rem}
.field input,.field select,.field textarea{width:100%;padding:.8rem .9rem;border:1.5px solid var(--line-2);border-radius:10px;font:inherit;font-size:.95rem;color:var(--ink);background:#fbfcfe;transition:.2s}
.field input::placeholder,.field textarea::placeholder{color:#9aa9c0}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft);background:#fff}
.field textarea{resize:vertical}
.form__note{margin-top:.8rem;font-size:.9rem;font-weight:600;min-height:1.1em}
.form__note.ok{color:#15803d}
.form__note.err{color:#dc2626}

/* 13. Footer */
.footer{background:var(--navy);padding:3.2rem 0 1.6rem}
.footer__top{display:grid;grid-template-columns:1.3fr 2fr;gap:2.5rem}
.footer__brand .brand__name{font-size:1.05rem;color:#fff}
.footer__brand .brand__tag{display:block;margin-top:.15rem;color:var(--accent-2)}
.footer__brand p{margin-top:.9rem;color:#a9b8d2;font-size:.9rem;max-width:440px}
.footer__cols{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.footer__cols h5{color:#fff;font-size:.95rem;margin-bottom:.85rem}
.footer__cols a,.footer__cols span{display:block;color:#a9b8d2;font-size:.9rem;margin-bottom:.45rem}
.footer__cols a:hover{color:var(--accent-2)}
.footer__legal{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;margin-top:2.2rem;padding-top:1.4rem;border-top:1px solid rgba(255,255,255,.12);font-size:.82rem;color:#8496b3}

.totop{position:fixed;right:20px;bottom:20px;width:46px;height:46px;border-radius:12px;background:linear-gradient(135deg,var(--accent-2),var(--accent));color:#241300;display:grid;place-items:center;font-size:1.2rem;font-weight:700;box-shadow:var(--shadow-lg);opacity:0;pointer-events:none;transform:translateY(12px);transition:.3s;z-index:50}
.totop.show{opacity:1;pointer-events:auto;transform:none}

.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* Responsive */
@media (max-width:1000px){
  .hero__inner{grid-template-columns:1fr;gap:2.4rem}
  .showcase{max-width:560px}
  .comp__grid,.contact__grid{grid-template-columns:1fr;gap:2.2rem}
  .bento{grid-template-columns:repeat(2,1fr)}
  .tile--lg{grid-column:span 2;grid-row:span 1}
  .tile--wide{grid-column:span 2}
  .sysgrid{grid-template-columns:repeat(2,1fr)}
  .support{grid-template-columns:repeat(2,1fr)}
  .support--media{grid-template-columns:1fr}
  .support__media img{max-height:300px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .sectors{grid-template-columns:repeat(2,1fr)}
  .detail__row{grid-template-columns:1fr;gap:1.8rem}
  .detail--alt .detail__row{direction:ltr}
  .footer__top{grid-template-columns:1fr}
}
@media (max-width:760px){
  .nav{position:fixed;inset:60px 0 auto 0;flex-direction:column;gap:0;background:var(--navy);padding:1rem 24px 1.4rem;border-bottom:1px solid rgba(255,255,255,.12);transform:translateY(-140%);transition:.35s;box-shadow:var(--shadow-lg)}
  .nav.open{transform:none}
  .nav a{width:100%;padding:.9rem 0;border-bottom:1px solid rgba(255,255,255,.1)}
  .nav__cta{text-align:center;margin-top:.6rem}
  .nav__toggle{display:flex;order:3}
  .header__phone span{display:none}
  .header__phone{padding:.6rem}
  .notify__cred{display:none}
  .maint__grid{grid-template-columns:1fr;gap:.55rem}
}
@media (max-width:560px){
  .bento{grid-template-columns:1fr}
  .tile--lg,.tile--wide{grid-column:span 1}
  .sysgrid,.support,.steps,.sectors,.comp__list,.support__cards{grid-template-columns:1fr}
  .scard-h__row{grid-template-columns:1fr}
  .frow,.ticks{grid-template-columns:1fr}
  .footer__cols{grid-template-columns:1fr 1fr}
}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}