/* Specialist Services London — shared styles */
:root{
  --navy:#0e2438; --navy-2:#123351; --steel:#1f5f86; --steel-2:#2b7bab;
  --ice:#eef4f8; --ice-2:#dfeaf1; --paper:#f7fafc; --white:#ffffff;
  --ink:#0c1a27; --slate:#40566a; --mute:#6b8096; --line:#d7e2eb;
  --accent:#ff5a1f; --accent-2:#e64a12; --accent-soft:#fff1eb;
  --ok:#0f9d6e;
  --wrap:1200px; --radius:16px; --radius-sm:10px;
  --shadow:0 1px 2px rgba(14,36,56,.06),0 8px 30px rgba(14,36,56,.08);
  --shadow-lg:0 30px 60px -20px rgba(14,36,56,.35);
  --font:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --display:'Space Grotesk','Inter',system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:var(--white);line-height:1.6;font-size:17px;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:var(--display);line-height:1.12;letter-spacing:-.02em;color:var(--ink)}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.eyebrow{font-family:var(--font);font-weight:600;font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;color:var(--steel-2)}
.btn{display:inline-flex;align-items:center;gap:.55em;font-weight:600;font-size:1rem;padding:15px 26px;border-radius:999px;transition:transform .15s ease,box-shadow .15s ease,background .15s ease;border:1px solid transparent;cursor:pointer}
.btn svg{width:18px;height:18px}
.btn-call{background:var(--accent);color:#fff;box-shadow:0 8px 22px -6px rgba(255,90,31,.6)}
.btn-call:hover{background:var(--accent-2);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.35)}
.btn-ghost:hover{background:rgba(255,255,255,.1)}
.btn-dark{background:var(--navy);color:#fff}
.btn-dark:hover{background:var(--navy-2);transform:translateY(-2px)}
.btn-outline{background:#fff;color:var(--navy);border-color:var(--line)}
.btn-outline:hover{border-color:var(--steel);color:var(--steel-2)}
.skip{position:absolute;left:-999px}
.skip:focus{left:12px;top:12px;background:#fff;padding:10px 16px;border-radius:8px;z-index:200}

/* Top bar */
.topbar{background:var(--navy);color:#cfe0ec;font-size:.85rem}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;gap:16px;padding-top:8px;padding-bottom:8px}
.topbar a{color:#fff;font-weight:600}
.topbar .t-open{display:inline-flex;align-items:center;gap:.5em}
.dot{width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 3px rgba(15,157,110,.25)}

/* Header */
.site-head{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;height:74px;gap:24px}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{width:42px;height:42px;border-radius:11px;background:linear-gradient(140deg,var(--steel-2),var(--navy));display:grid;place-items:center;color:#fff;flex:none}
.brand-mark svg{width:24px;height:24px}
.brand-name{font-family:var(--display);font-weight:700;font-size:1.05rem;line-height:1.05;letter-spacing:-.02em}
.brand-name span{display:block;font-family:var(--font);font-weight:500;font-size:.72rem;letter-spacing:.02em;color:var(--mute)}
.nav{display:flex;align-items:center;gap:28px}
.nav a{font-weight:500;font-size:.95rem;color:var(--slate)}
.nav a:hover,.nav a[aria-current="page"]{color:var(--steel-2)}
.nav a[aria-current="page"]{font-weight:600}
.head-cta{display:flex;align-items:center;gap:14px}
.head-phone{font-family:var(--display);font-weight:700;font-size:1.15rem;color:var(--navy)}
.menu-btn{display:none;background:none;border:0;padding:8px}
.menu-btn svg{width:26px;height:26px}

/* Hero (home) */
.hero{position:relative;background:radial-gradient(120% 120% at 80% 0%,#173e5e 0%,var(--navy) 55%,#0a1c2c 100%);color:#fff;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='40' height='40'%3E%3Cpath d='M0 39h40M39 0v40' stroke='%23ffffff' stroke-opacity='0.04' stroke-width='1'/%3E%3C/svg%3E");pointer-events:none}
.hero .wrap{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;padding-top:76px;padding-bottom:84px}
.hero h1{font-size:clamp(2.4rem,5vw,3.8rem);color:#fff;margin:18px 0}
.hero h1 em{font-style:normal;color:#7fc4ec;display:block}
.hero p.lead{font-size:1.2rem;color:#c8d9e6;max-width:36ch;margin-bottom:30px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.hero-note{margin-top:22px;font-size:.9rem;color:#9fb6c8;display:flex;align-items:center;gap:.5em}
.hero-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:20px;padding:26px;backdrop-filter:blur(4px)}
.hero-card h2{color:#fff;font-size:1.15rem;margin-bottom:16px}
.brandrow{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px;margin-bottom:20px}
.brandchip{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);border-radius:12px;padding:14px 8px;text-align:center;font-family:var(--display);font-weight:600;font-size:.95rem;color:#fff}
.brandchip small{display:block;font-family:var(--font);font-weight:500;font-size:.68rem;color:#9fb6c8;margin-top:3px}
.hero-card ul{list-style:none;display:grid;gap:11px}
.hero-card li{display:flex;gap:.6em;font-size:.95rem;color:#dbe7f0}
.hero-card li svg{width:18px;height:18px;color:#39c08a;flex:none;margin-top:2px}

/* Hero (inner) */
.hero-inner{position:relative;background:radial-gradient(120% 140% at 85% 0%,#173e5e 0%,var(--navy) 60%,#0a1c2c 100%);color:#fff}
.hero-inner .wrap{padding-top:44px;padding-bottom:64px;position:relative;z-index:2}
.hero-inner h1{font-size:clamp(2.1rem,4.4vw,3.2rem);color:#fff;margin:14px 0 18px;max-width:20ch}
.hero-inner p{font-size:1.15rem;color:#c8d9e6;max-width:52ch;margin-bottom:26px}
.hero-inner .hero-cta{display:flex;flex-wrap:wrap;gap:14px}
.breadcrumb{font-size:.85rem;color:#9fb6c8}
.breadcrumb a{color:#c8d9e6}.breadcrumb a:hover{color:#fff}
.breadcrumb span{margin:0 .5em;color:#5f7a90}

/* Trust strip */
.trust{background:var(--navy-2);color:#fff;border-top:1px solid rgba(255,255,255,.08)}
.trust .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:22px 24px}
.trust .item{display:flex;flex-direction:column;gap:2px}
.trust .n{font-family:var(--display);font-weight:700;font-size:1.5rem;color:#7fc4ec}
.trust .l{font-size:.85rem;color:#b9cbd9}

/* Sections */
section.block{padding:88px 0}
.sec-head{max-width:660px;margin-bottom:44px}
.sec-head h2{font-size:clamp(1.8rem,3.4vw,2.5rem);margin:12px 0}
.sec-head p{color:var(--slate);font-size:1.08rem}
.alt{background:var(--paper)}
.center{text-align:center;margin-left:auto;margin-right:auto}

/* Services grid */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.svc{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;transition:transform .18s ease,box-shadow .18s ease,border-color .18s;box-shadow:var(--shadow)}
.svc:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--steel)}
.svc .ic{width:52px;height:52px;border-radius:13px;background:var(--ice);display:grid;place-items:center;color:var(--steel);margin-bottom:18px}
.svc .ic svg{width:26px;height:26px}
.svc h3{font-size:1.3rem;margin-bottom:10px}
.svc p{color:var(--slate);font-size:.97rem;margin-bottom:18px}
.svc a.more{font-weight:600;color:var(--steel-2);display:inline-flex;align-items:center;gap:.4em;font-size:.95rem}
.svc a.more svg{width:16px;height:16px;transition:transform .15s}
.svc:hover a.more svg{transform:translateX(4px)}

/* Split (faults/why) */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.checklist{list-style:none;display:grid;gap:14px}
.checklist li{display:flex;gap:.8em;align-items:flex-start;font-size:1rem;color:var(--slate)}
.checklist li svg{width:22px;height:22px;color:var(--accent);flex:none;margin-top:1px}
.why-list li svg{color:var(--ok)}
.panel{background:var(--navy);color:#fff;border-radius:20px;padding:38px}
.panel h3{color:#fff;font-size:1.5rem;margin-bottom:8px}
.panel p{color:#c2d3e0;margin-bottom:24px}
.panel .why-list li{color:#dbe7f0}

/* Prose (article content) */
.prose{max-width:70ch}
.prose h2{font-size:clamp(1.6rem,2.8vw,2.1rem);margin:8px 0 16px}
.prose h3{font-size:1.3rem;margin:32px 0 12px}
.prose p{color:var(--slate);font-size:1.06rem;margin-bottom:18px}
.prose p strong{color:var(--ink)}
.prose ul{list-style:none;display:grid;gap:12px;margin:20px 0}
.prose ul li{display:flex;gap:.75em;color:var(--slate);font-size:1.02rem}
.prose ul li::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent);flex:none;margin-top:9px}

/* Two-column article + sticky aside */
.article-grid{display:grid;grid-template-columns:1.5fr .9fr;gap:56px;align-items:start}
.aside-card{position:sticky;top:100px;background:var(--navy);color:#fff;border-radius:20px;padding:32px}
.aside-card h3{color:#fff;font-size:1.4rem;margin-bottom:10px}
.aside-card p{color:#c2d3e0;font-size:.98rem;margin-bottom:20px}
.aside-card .phone{font-family:var(--display);font-weight:700;font-size:1.7rem;color:#7fc4ec;display:block;margin-bottom:6px}
.aside-card ul{list-style:none;display:grid;gap:12px;margin:22px 0 0}
.aside-card li{display:flex;gap:.6em;font-size:.94rem;color:#dbe7f0}
.aside-card li svg{width:18px;height:18px;color:#39c08a;flex:none;margin-top:2px}

/* Areas */
.areas .cols{display:grid;grid-template-columns:2fr 2fr 1fr;gap:32px;margin-top:8px}
.areas h3{font-size:1.05rem;color:var(--steel-2);margin-bottom:14px;padding-bottom:8px;border-bottom:2px solid var(--ice-2)}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{background:var(--ice);border:1px solid var(--ice-2);color:var(--slate);border-radius:999px;padding:6px 13px;font-size:.85rem}

/* FAQ */
.faq{display:grid;gap:12px;max-width:820px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:0;overflow:hidden}
.faq summary{list-style:none;cursor:pointer;padding:20px 24px;font-family:var(--display);font-weight:600;font-size:1.08rem;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.5rem;color:var(--steel-2);font-weight:400;transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding:0 24px 22px;color:var(--slate);margin:0}

/* Emergency band */
.emergency{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff}
.emergency .wrap{display:flex;align-items:center;justify-content:space-between;gap:32px;padding:52px 24px;flex-wrap:wrap}
.emergency h2{color:#fff;font-size:clamp(1.6rem,3vw,2.2rem);max-width:20ch}
.emergency p{color:#ffe6db;margin-top:8px;max-width:44ch}
.emergency .btn-call{background:#fff;color:var(--accent-2);box-shadow:0 10px 30px -8px rgba(0,0,0,.35)}
.emergency .btn-call:hover{background:#fff8f5}

/* Editorial */
.editorial p{max-width:68ch;color:var(--slate);font-size:1.08rem;margin-bottom:18px}
.editorial p strong{color:var(--ink)}

/* Final CTA */
.final{background:var(--navy);color:#fff;text-align:center}
.final .wrap{padding:82px 24px}
.final h2{color:#fff;font-size:clamp(1.9rem,3.6vw,2.6rem);margin-bottom:14px}
.final p{color:#c2d3e0;max-width:48ch;margin:0 auto 30px}
.final-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* Footer */
footer{background:#081521;color:#8ba3b6;font-size:.92rem}
footer .wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding:56px 24px 30px}
footer h4{color:#fff;font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;margin-bottom:16px;font-family:var(--font)}
footer a{color:#b7cad9}footer a:hover{color:#fff}
footer ul{list-style:none;display:grid;gap:10px}
.f-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.f-brand .brand-mark{width:38px;height:38px}
.f-brand strong{color:#fff;font-family:var(--display);font-size:1rem}
.foot-bottom{border-top:1px solid rgba(255,255,255,.08)}
.foot-bottom .wrap{display:flex;justify-content:space-between;padding:18px 24px;font-size:.82rem;color:#6b8296;flex-wrap:wrap;gap:8px}

@media(max-width:900px){
  .nav,.head-phone{display:none}
  .menu-btn{display:block}
  .hero .wrap{grid-template-columns:1fr;gap:36px;padding-top:52px;padding-bottom:60px}
  .trust .wrap{grid-template-columns:1fr 1fr;gap:24px 20px}
  .svc-grid{grid-template-columns:1fr}
  .split,.article-grid{grid-template-columns:1fr;gap:36px}
  .aside-card{position:static}
  .areas .cols{grid-template-columns:1fr}
  footer .wrap{grid-template-columns:1fr;gap:32px}
  section.block{padding:60px 0}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto}}