/* Shark Security UK  |  site styles
   One file, no build step. Brand colours and fonts live in :root. */

:root {
  --ink-900: #070b14;      /* page background, darkest */
  --ink-800: #0c1220;      /* section background */
  --ink-700: #131c30;      /* cards on dark */
  --ink-600: #1c2841;      /* borders on dark */
  --paper: #ffffff;        /* light sections */
  --paper-2: #f3f5f9;
  --line: #e1e6ee;
  --text: #0f172a;         /* text on light */
  --text-muted: #5b6678;
  --text-on-dark: #eef2f8;
  --muted-on-dark: #a4afc2;
  --yellow: #ffc82e;       /* hi-vis accent, primary CTA */
  --yellow-dark: #e6ac00;
  --blue: #3b7bff;         /* shark blue, links and icons */
  --blue-soft: #e8f0ff;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 12px 34px rgba(7, 11, 20, 0.14);
  --shadow-lg: 0 30px 70px rgba(7, 11, 20, 0.35);
  --font-display: "Barlow Condensed", "Arial Narrow", Impact, sans-serif;
  --font-body: "Manrope", "Segoe UI", Helvetica, Arial, sans-serif;
  --wrap: 1180px;
  --gutter: 20px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font-body); font-size: 17px; line-height: 1.6; color: var(--text); background: var(--paper); }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1; margin: 0 0 0.45em; letter-spacing: 0.005em; text-transform: uppercase; color: var(--text); }
h1 { font-size: clamp(3rem, 7.2vw, 5.6rem); font-weight: 800; }
h2 { font-size: clamp(2.2rem, 4.6vw, 3.6rem); font-weight: 800; }
h3 { font-size: 1.55rem; font-weight: 700; }
h4 { font-size: 1.15rem; font-weight: 700; }
p { margin: 0 0 1em; }
.lead { font-size: 1.15rem; color: var(--text-muted); max-width: 60ch; }
.dark, .dark h1, .dark h2, .dark h3, .dark h4 { color: var(--text-on-dark); }
.dark { background: var(--ink-800); }
.dark .lead, .dark p { color: var(--muted-on-dark); }
.dark a { color: #9fc0ff; }
.dark .btn--primary, .dark .btn--primary:hover, .dark .nav .btn { color: var(--ink-900); }
.dark .btn--ghost, .dark .btn--ghost:hover { color: #fff; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.section { padding: 96px 0; }
.section--tight { padding: 64px 0; }
.section-head { max-width: 66ch; margin-bottom: 44px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head .lead { margin-bottom: 0; }

.eyebrow { display: inline-flex; align-items: center; gap: 10px; font-family: var(--font-display); font-weight: 700; font-size: 0.95rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--blue); margin-bottom: 14px; }
.eyebrow::before { content: ""; width: 26px; height: 3px; background: var(--yellow); border-radius: 2px; }
.dark .eyebrow { color: var(--yellow); }

.skip-link { position: absolute; left: -999px; top: 8px; background: var(--yellow); color: var(--ink-900); padding: 8px 14px; border-radius: 6px; z-index: 100; font-weight: 700; }
.skip-link:focus { left: 8px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 16px 26px; border-radius: 10px; font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; letter-spacing: 0.06em; text-transform: uppercase; line-height: 1; border: 2px solid transparent; cursor: pointer; transition: transform .15s ease, background .15s ease, color .15s ease, border-color .15s ease; white-space: nowrap; }
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn svg { width: 20px; height: 20px; }
.btn--primary { background: var(--yellow); color: var(--ink-900); }
.btn--primary:hover { background: var(--yellow-dark); color: var(--ink-900); }
.btn--ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,0.45); }
.btn--ghost:hover { border-color: #fff; background: rgba(255,255,255,0.08); color: #fff; }
.btn--dark { background: var(--ink-900); color: #fff; }
.btn--dark:hover { background: var(--ink-700); color: #fff; }
.btn--outline { background: transparent; color: var(--text); border-color: #cdd5e0; }
.btn--outline:hover { border-color: var(--text); }
.btn--sm { padding: 12px 18px; font-size: 1rem; }

/* Header */
.header { position: sticky; top: 0; z-index: 50; background: rgba(7,11,20,0.92); backdrop-filter: saturate(160%) blur(12px); border-bottom: 1px solid rgba(255,255,255,0.08); }
.header__inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; height: 80px; }
.brand { display: flex; align-items: center; gap: 12px; color: #fff; }
.brand:hover { text-decoration: none; }
.brand img { width: 52px; height: 52px; }
.brand__name { white-space: nowrap; font-family: var(--font-display); font-weight: 800; font-size: 1.5rem; letter-spacing: 0.06em; text-transform: uppercase; line-height: 1; }
.brand__name small { display: block; font-family: var(--font-body); font-weight: 600; font-size: 0.68rem; letter-spacing: 0.16em; color: var(--yellow); margin-top: 3px; }
.nav { display: flex; align-items: center; gap: 30px; }
.nav a { white-space: nowrap; font-family: var(--font-display); font-weight: 600; font-size: 1.1rem; letter-spacing: 0.06em; text-transform: uppercase; color: #dfe6f1; padding: 8px 0; position: relative; }
.nav a:hover { text-decoration: none; color: #fff; }
.nav a[aria-current="page"] { color: var(--yellow); }
.nav .btn { margin-left: 6px; padding: 12px 18px; font-size: 1rem; color: var(--ink-900); }
.nav .btn:hover { color: var(--ink-900); }
.nav-toggle { display: none; background: none; border: 0; padding: 10px; cursor: pointer; border-radius: 8px; }
.nav-toggle span { display: block; width: 26px; height: 2px; background: #fff; margin: 6px 0; transition: transform .2s, opacity .2s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* Hero */
.hero { position: relative; background: var(--ink-900); color: #fff; overflow: hidden; }
.hero__grid { position: relative; display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 40px; align-items: center; min-height: 640px; }
.hero__copy { padding: 96px 0 96px; }
.hero__copy h1 { color: #fff; margin-bottom: 0.35em; }
.hero__copy h1 em { font-style: normal; color: var(--yellow); }
.hero__copy p { font-size: 1.2rem; color: #c9d3e3; max-width: 54ch; margin-bottom: 2em; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 30px; }
.hero__note { display: flex; align-items: center; gap: 10px; color: #a4afc2; font-size: 0.95rem; }
.hero__note svg { width: 18px; height: 18px; color: var(--yellow); }
.hero__media { position: relative; min-height: 560px; margin: 36px 0; }
.hero__media > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 50% 30%; border-radius: 20px; }
.hero__media::after { content: ""; position: absolute; inset: 0; border-radius: 20px; background: linear-gradient(180deg, rgba(7,11,20,0) 55%, rgba(7,11,20,0.75) 100%); }
.hero__badge { position: absolute; left: 22px; bottom: 22px; z-index: 2; display: flex; align-items: center; gap: 12px; background: rgba(7,11,20,0.82); border: 1px solid rgba(255,255,255,0.12); padding: 12px 16px; border-radius: 12px; backdrop-filter: blur(8px); }
.hero__badge img { width: 44px; height: 44px; }
.hero__badge strong { display: block; font-family: var(--font-display); font-size: 1.05rem; letter-spacing: 0.06em; text-transform: uppercase; }
.hero__badge span { font-size: 0.82rem; color: #a4afc2; }
.hero__bg { position: absolute; inset: 0; background: radial-gradient(900px 500px at 15% 20%, rgba(59,123,255,0.18), transparent 60%), radial-gradient(700px 400px at 80% 90%, rgba(255,200,46,0.10), transparent 60%); pointer-events: none; }

.hero--page .hero__grid { min-height: 0; grid-template-columns: 1fr; }
.hero--page .hero__copy { padding: 80px 0 64px; max-width: 800px; }
.hero--page .hero__copy h1 { font-size: clamp(2.6rem, 6vw, 4.4rem); }
.hero--page .hero__photo { position: absolute; inset: 0; }
.hero--page .hero__photo img { width: 100%; height: 100%; object-fit: cover; opacity: 0.28; }
.hero--page .hero__photo::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(7,11,20,0.95) 0%, rgba(7,11,20,0.75) 60%, rgba(7,11,20,0.5) 100%); }

/* Trust strip */
.trust { background: var(--ink-800); border-top: 1px solid rgba(255,255,255,0.06); border-bottom: 1px solid rgba(255,255,255,0.06); }
.trust__grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.trust__item { display: flex; align-items: center; gap: 14px; padding: 24px 22px; border-left: 1px solid rgba(255,255,255,0.08); color: #fff; }
.trust__item:first-child { border-left: 0; padding-left: 0; }
.trust__item svg { width: 30px; height: 30px; flex: none; color: var(--yellow); }
.trust__item strong { display: block; font-family: var(--font-display); font-size: 1.15rem; letter-spacing: 0.05em; text-transform: uppercase; line-height: 1.1; }
.trust__item span { font-size: 0.85rem; color: var(--muted-on-dark); }

/* Service cards */
.grid { display: grid; gap: 22px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.svc { position: relative; display: block; border-radius: var(--radius); overflow: hidden; background: var(--ink-700); color: #fff; min-height: 420px; box-shadow: var(--shadow); }
.svc:hover { text-decoration: none; }
.svc img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.svc:hover img { transform: scale(1.05); }
.svc::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(7,11,20,0.05) 30%, rgba(7,11,20,0.92) 100%); }
.svc__body { position: absolute; left: 0; right: 0; bottom: 0; padding: 26px; z-index: 1; }
.svc__body h3 { color: #fff; margin-bottom: 6px; }
.svc__body p { color: #c9d3e3; margin: 0 0 14px; font-size: 0.97rem; }
.svc__link { font-family: var(--font-display); font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--yellow); font-size: 1rem; display: inline-flex; align-items: center; gap: 8px; }
.svc__link svg { width: 18px; height: 18px; transition: transform .2s; }
.svc:hover .svc__link svg { transform: translateX(4px); }
.svc__tag { position: absolute; top: 18px; left: 18px; z-index: 1; background: var(--yellow); color: var(--ink-900); font-family: var(--font-display); font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; font-size: 0.85rem; padding: 6px 10px; border-radius: 6px; }

/* Feature list / bento */
.bento { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.tile { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; }
.tile--dark { background: var(--ink-700); border-color: var(--ink-600); color: #fff; }
.tile--dark h3, .tile--dark h4 { color: #fff; }
.tile--dark p { color: var(--muted-on-dark); }
.tile--wide { grid-column: span 2; }
.tile__icon { width: 52px; height: 52px; border-radius: 12px; background: var(--blue-soft); color: var(--blue); display: grid; place-items: center; margin-bottom: 18px; }
.tile--dark .tile__icon { background: rgba(255,200,46,0.14); color: var(--yellow); }
.tile__icon svg { width: 26px; height: 26px; }
.tile h3 { font-size: 1.5rem; margin-bottom: 8px; }
.tile p { margin: 0; color: var(--text-muted); }
.tile--photo { padding: 0; overflow: hidden; position: relative; min-height: 260px; border: 0; }
.tile--photo img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }

/* Split */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.split__media { position: relative; }
.split__media img { border-radius: var(--radius); aspect-ratio: 4 / 5; object-fit: cover; width: 100%; box-shadow: var(--shadow-lg); }
.split__media .stamp { position: absolute; right: -14px; bottom: 28px; background: var(--yellow); color: var(--ink-900); border-radius: 14px; padding: 18px 22px; box-shadow: var(--shadow); max-width: 240px; }
.stamp strong { display: block; font-family: var(--font-display); font-size: 2.2rem; line-height: 1; letter-spacing: 0.02em; }
.stamp span { font-size: 0.85rem; font-weight: 600; }
.checklist { list-style: none; padding: 0; margin: 26px 0 0; display: grid; gap: 16px; }
.checklist li { display: flex; gap: 14px; align-items: flex-start; }
.checklist svg { width: 24px; height: 24px; flex: none; color: var(--yellow); background: var(--ink-900); border-radius: 50%; padding: 4px; margin-top: 1px; }
.dark .checklist svg { background: rgba(255,255,255,0.08); }
.checklist strong { display: block; font-family: var(--font-display); font-size: 1.2rem; letter-spacing: 0.04em; text-transform: uppercase; }
.checklist span { color: var(--text-muted); font-size: 0.97rem; }
.dark .checklist span { color: var(--muted-on-dark); }

/* Sectors */
.sectors { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.sector { position: relative; border-radius: var(--radius-sm); overflow: hidden; aspect-ratio: 3 / 4; background: var(--ink-700); }
.sector img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 30% center; }
.sector::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(7,11,20,0) 40%, rgba(7,11,20,0.9) 100%); }
.sector strong { position: absolute; left: 16px; right: 16px; bottom: 16px; z-index: 1; color: #fff; font-family: var(--font-display); font-size: 1.35rem; letter-spacing: 0.05em; text-transform: uppercase; line-height: 1.05; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; counter-reset: step; }
.step { position: relative; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 34px 28px 28px; }
.step::before { counter-increment: step; content: "0" counter(step); font-family: var(--font-display); font-weight: 800; font-size: 3.4rem; line-height: 1; color: var(--yellow); display: block; margin-bottom: 12px; }
.step h3, .dark .step h3 { font-size: 1.5rem; margin-bottom: 8px; color: var(--text); }
.step p, .dark .step p { margin: 0; color: var(--text-muted); }

/* Testimonial */
.quote-big { position: relative; max-width: 900px; margin: 0 auto; text-align: center; }
.quote-big blockquote { margin: 0; font-family: var(--font-display); font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 600; line-height: 1.25; color: #fff; }
.quote-big footer { margin-top: 22px; color: var(--muted-on-dark); font-weight: 600; }
.quote-big .stars { color: var(--yellow); letter-spacing: 3px; margin-bottom: 18px; font-size: 1.2rem; }

/* FAQ */
.faq { max-width: 860px; margin: 0 auto; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 22px 0; font-family: var(--font-display); font-weight: 700; font-size: 1.35rem; letter-spacing: 0.02em; text-transform: uppercase; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 1.8rem; color: var(--blue); flex: none; transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin: 0 0 22px; color: var(--text-muted); max-width: 70ch; }

/* CTA band */
.cta { position: relative; background: var(--ink-900); color: #fff; overflow: hidden; }
.cta img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0.22; }
.cta__inner { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 30px; padding-top: 72px; padding-bottom: 72px; }
.cta h2 { color: #fff; margin-bottom: 8px; }
.cta p { color: #c9d3e3; margin: 0; font-size: 1.1rem; }
.cta__actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* Contact */
.contact { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 40px; align-items: start; }
.contact-card { background: var(--ink-700); border: 1px solid var(--ink-600); border-radius: var(--radius); padding: 32px; color: #fff; }
.contact-card h3 { color: #fff; }
.contact-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 18px; }
.contact-list li { display: flex; gap: 14px; align-items: flex-start; }
.contact-list svg { width: 22px; height: 22px; color: var(--yellow); flex: none; margin-top: 3px; }
.contact-list strong { display: block; font-size: 0.8rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted-on-dark); font-weight: 700; }
.contact-list a { font-size: 1.15rem; color: #fff; font-weight: 700; }
.contact-list span { color: #c9d3e3; }
.form { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; box-shadow: var(--shadow); }
.form h3 { margin-bottom: 4px; }
.form .form__intro { color: var(--text-muted); margin-bottom: 22px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: grid; gap: 6px; margin-bottom: 16px; }
.field label { font-weight: 700; font-size: 0.85rem; letter-spacing: 0.04em; text-transform: uppercase; color: var(--text); }
.field input, .field textarea, .field select { font: inherit; font-size: 1rem; padding: 13px 14px; border: 1px solid #cfd8e3; border-radius: var(--radius-sm); background: #fff; color: var(--text); width: 100%; }
.field input:focus, .field textarea:focus, .field select:focus { outline: 2px solid var(--blue); outline-offset: 1px; border-color: var(--blue); }
.field textarea { min-height: 130px; resize: vertical; }
.form__note { font-size: 0.85rem; color: var(--text-muted); margin: 12px 0 0; }
.form__status { margin-top: 14px; font-weight: 700; display: none; }
.form__status.is-ok { display: block; color: #1a7f4b; }
.form__status.is-err { display: block; color: #b42318; }
.honey { position: absolute; left: -9999px; }

/* Footer */
.footer { background: var(--ink-900); color: #a4afc2; padding: 64px 0 28px; border-top: 1px solid rgba(255,255,255,0.06); }
.footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 36px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.footer h4 { color: #fff; font-size: 1rem; letter-spacing: 0.14em; margin-bottom: 14px; }
.footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 9px; }
.footer a { color: #d3dce8; }
.footer a:hover { color: #fff; }
.footer p { font-size: 0.95rem; }
.footer__bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-top: 22px; font-size: 0.85rem; color: #6f7c92; }

/* Mobile sticky call bar */
.callbar { display: none; }

.center { text-align: center; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mt-48 { margin-top: 48px; }

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }

/* Responsive */
@media (max-width: 1080px) {
  .sectors { grid-template-columns: repeat(3, 1fr); }
  .bento { grid-template-columns: 1fr 1fr; }
  .tile--wide { grid-column: span 2; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .trust__grid { grid-template-columns: repeat(2, 1fr); }
  .trust__item { border-left: 0; padding-left: 0; }
}
@media (max-width: 860px) {
  .section { padding: 68px 0; }
  .nav { display: none; position: absolute; left: 0; right: 0; top: 80px; background: var(--ink-900); border-bottom: 1px solid rgba(255,255,255,0.1); flex-direction: column; align-items: stretch; gap: 0; padding: 8px var(--gutter) 18px; box-shadow: var(--shadow-lg); }
  .nav.is-open { display: flex; }
  .nav a { padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,0.08); }
  .nav .btn { margin: 14px 0 0; border-bottom: 0; }
  .nav-toggle { display: block; }
  .hero__grid { grid-template-columns: 1fr; gap: 0; min-height: 0; }
  .hero__copy { padding: 64px 0 28px; }
  .hero__media { min-height: 360px; margin-bottom: 40px; }
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; gap: 36px; }
  .split__media .stamp { right: 10px; bottom: -18px; }
  .steps { grid-template-columns: 1fr; }
  .bento { grid-template-columns: 1fr; }
  .tile--wide { grid-column: auto; }
  .sectors { grid-template-columns: repeat(2, 1fr); }
  .cta__inner { flex-direction: column; align-items: flex-start; }
  .contact { grid-template-columns: 1fr; }
  .form__row { grid-template-columns: 1fr; }
  .svc { min-height: 340px; }
  body { padding-bottom: 68px; }
  .callbar { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; position: fixed; left: 0; right: 0; bottom: 0; z-index: 60; padding: 10px 12px; background: rgba(7,11,20,0.96); border-top: 1px solid rgba(255,255,255,0.1); backdrop-filter: blur(10px); }
  .callbar .btn { width: 100%; padding: 14px 10px; font-size: 1.05rem; }
}
@media (max-width: 480px) {
  body { font-size: 16px; }
  .trust__grid { grid-template-columns: 1fr; }
  .trust__item { padding: 16px 0; border-bottom: 1px solid rgba(255,255,255,0.08); }
  .trust__item:last-child { border-bottom: 0; }
  .footer__grid { grid-template-columns: 1fr; }
  .hero__actions .btn { width: 100%; }
  .brand__name { font-size: 1.25rem; }
  .brand__name small { display: none; }
  .sectors { grid-template-columns: repeat(2, 1fr); }
}