/*
Theme Name: UK Tech Evolvers
Theme URI: https://uktechevolvers.co.uk
Author: UK Tech Evolvers
Description: Custom theme for UK Tech Evolvers, an IT infrastructure, cybersecurity and managed support consultancy.
Version: 1.0.0
Requires at least: 6.0
Requires PHP: 7.4
Text Domain: ukte
*/

/* ==========================================================================
   Design tokens
   ========================================================================== */
:root {
	--color-bg: #0a0f1e;
	--color-bg-alt: #0f1830;
	--color-surface: #141f3c;
	--color-surface-light: #f5f7fb;
	--color-white: #ffffff;
	--color-primary: #2f6fed;
	--color-primary-light: #5b8cf5;
	--color-accent: #22d3ee;
	--color-text: #e8edf9;
	--color-text-muted: #a7b3cc;
	--color-ink: #101828;
	--color-ink-muted: #4b5468;
	--color-border: rgba(255, 255, 255, 0.09);
	--color-border-light: #e4e8f1;
	--color-success: #22c55e;
	--color-error: #ef4444;

	--font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
	--font-mono: 'JetBrains Mono', ui-monospace, Menlo, monospace;

	--container-width: 1180px;
	--radius-sm: 8px;
	--radius-md: 14px;
	--radius-lg: 22px;
	--shadow-md: 0 12px 32px rgba(10, 15, 30, 0.18);
	--shadow-lg: 0 24px 60px rgba(10, 15, 30, 0.28);
}

/* ==========================================================================
   Reset & base
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body {
	margin: 0;
	font-family: var(--font-body);
	color: var(--color-ink);
	background: var(--color-white);
	line-height: 1.6;
	-webkit-font-smoothing: antialiased;
	overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p { margin: 0; }
button { font-family: inherit; cursor: pointer; }
.container {
	width: 100%;
	max-width: var(--container-width);
	margin-inline: auto;
	padding-inline: 24px;
}
.visually-hidden {
	position: absolute; width: 1px; height: 1px; overflow: hidden;
	clip: rect(0,0,0,0); white-space: nowrap; border: 0; padding: 0; margin: -1px;
}
::selection { background: var(--color-primary); color: #fff; }

/* Section rhythm */
.section { padding: 96px 0; }
.section--tight { padding: 64px 0; }
.section--dark { background: var(--color-bg); color: var(--color-text); }
.section--alt { background: var(--color-surface-light); }
.section-eyebrow {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	font-family: var(--font-mono);
	font-size: 12px;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--color-primary-light);
	background: rgba(47, 111, 237, 0.12);
	border: 1px solid rgba(47, 111, 237, 0.25);
	padding: 6px 14px;
	border-radius: 100px;
	margin-bottom: 18px;
}
.section--dark .section-eyebrow { color: var(--color-accent); border-color: rgba(34, 211, 238, 0.3); background: rgba(34, 211, 238, 0.1); }
.section-heading {
	font-size: clamp(28px, 3.6vw, 42px);
	font-weight: 800;
	letter-spacing: -0.02em;
	line-height: 1.15;
	max-width: 640px;
}
.section-sub {
	margin-top: 16px;
	font-size: 17px;
	color: var(--color-ink-muted);
	max-width: 560px;
}
.section--dark .section-sub { color: var(--color-text-muted); }
.section-head { margin-bottom: 52px; }
.section-head--center { text-align: center; margin-inline: auto; }
.section-head--center .section-heading,
.section-head--center .section-sub { margin-inline: auto; }

/* Buttons */
.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	padding: 14px 28px;
	border-radius: var(--radius-sm);
	font-weight: 600;
	font-size: 15px;
	border: 1px solid transparent;
	transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease;
	white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--color-primary); color: #fff; box-shadow: 0 8px 24px rgba(47,111,237,0.35); }
.btn-primary:hover { background: var(--color-primary-light); }
.btn-ghost { background: transparent; color: var(--color-text); border-color: var(--color-border); }
.btn-ghost:hover { border-color: var(--color-accent); color: var(--color-accent); }
.btn-outline-dark { background: transparent; color: var(--color-ink); border-color: var(--color-border-light); }
.btn-outline-dark:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn-block { width: 100%; }

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
	position: sticky;
	top: 0;
	z-index: 100;
	background: rgba(10, 15, 30, 0.92);
	backdrop-filter: blur(10px);
	border-bottom: 1px solid var(--color-border);
}
.site-header .container {
	display: flex;
	align-items: center;
	justify-content: space-between;
	height: 78px;
}
.site-logo {
	display: flex;
	align-items: center;
	gap: 10px;
	font-weight: 800;
	font-size: 19px;
	color: #fff;
	letter-spacing: -0.01em;
}
.site-logo img { height: 34px; width: auto; }
.site-logo .logo-mark {
	width: 34px; height: 34px; border-radius: 9px;
	background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
	display: flex; align-items: center; justify-content: center;
	font-family: var(--font-mono); font-size: 14px; color: #06121f; font-weight: 700;
}
.site-logo--custom { cursor: default; }
.site-logo--custom .custom-logo-link { display: block; }
.site-logo--custom .custom-logo {
	height: 42px;
	width: 42px;
	object-fit: contain;
	border-radius: 9px;
	background: #f2efe9;
	padding: 3px;
}
.primary-nav ul { display: flex; align-items: center; gap: 36px; }
.primary-nav a {
	color: var(--color-text-muted);
	font-weight: 500;
	font-size: 15px;
	transition: color 0.15s ease;
}
.primary-nav a:hover, .primary-nav .current-menu-item a { color: #fff; }
.header-cta { display: flex; align-items: center; gap: 18px; }
.header-cta .btn { padding: 11px 22px; }
.nav-toggle {
	display: none;
	background: transparent;
	border: 1px solid var(--color-border);
	border-radius: 8px;
	width: 42px; height: 42px;
	color: #fff;
	align-items: center;
	justify-content: center;
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
	position: relative;
	background: radial-gradient(circle at 78% 20%, rgba(47,111,237,0.35), transparent 55%),
		linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
	color: var(--color-text);
	overflow: hidden;
	padding: 96px 0 110px;
}
.hero .container {
	display: grid;
	grid-template-columns: 1.1fr 0.9fr;
	gap: 56px;
	align-items: center;
}
.hero-eyebrow {
	display: inline-flex; align-items: center; gap: 8px;
	font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase;
	color: var(--color-accent); background: rgba(34,211,238,0.1); border: 1px solid rgba(34,211,238,0.3);
	padding: 7px 16px; border-radius: 100px; margin-bottom: 24px;
}
.hero h1 {
	font-size: clamp(36px, 5vw, 58px);
	font-weight: 800;
	line-height: 1.08;
	letter-spacing: -0.02em;
}
.hero h1 span { color: var(--color-accent); }
.hero-sub {
	margin-top: 22px;
	font-size: 18px;
	color: var(--color-text-muted);
	max-width: 520px;
}
.hero-actions { margin-top: 36px; display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats {
	margin-top: 56px;
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 20px;
	max-width: 460px;
}
.hero-stat .num { font-size: 26px; font-weight: 800; color: #fff; }
.hero-stat .label { font-size: 13px; color: var(--color-text-muted); margin-top: 2px; }

.hero-visual {
	position: relative;
	border-radius: var(--radius-lg);
	overflow: hidden;
	border: 1px solid var(--color-border);
	box-shadow: var(--shadow-lg);
	aspect-ratio: 1 / 1;
}
.hero-visual img { width: 100%; height: 100%; object-fit: cover; }
.hero-visual::after {
	content: "";
	position: absolute; inset: 0;
	background: linear-gradient(180deg, transparent 40%, rgba(10,15,30,0.75) 100%);
}
.hero-visual-badge {
	position: absolute; left: 20px; bottom: 20px; z-index: 2;
	background: rgba(10,15,30,0.85);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-sm);
	padding: 12px 16px;
	font-family: var(--font-mono);
	font-size: 12.5px;
	color: var(--color-accent);
}

/* ==========================================================================
   Trust bar / logos-style stats
   ========================================================================== */
.trust-bar { background: var(--color-white); border-bottom: 1px solid var(--color-border-light); padding: 40px 0; }
.trust-bar .container { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.trust-item .num { font-size: 24px; font-weight: 800; color: var(--color-ink); }
.trust-item .label { font-size: 13px; color: var(--color-ink-muted); margin-top: 4px; }

/* ==========================================================================
   Cards grid (services)
   ========================================================================== */
.card-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 24px;
}
.service-card {
	background: var(--color-white);
	border: 1px solid var(--color-border-light);
	border-radius: var(--radius-md);
	padding: 32px 28px;
	transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(47,111,237,0.3); }
.service-icon {
	width: 48px; height: 48px; border-radius: 12px;
	background: linear-gradient(135deg, rgba(47,111,237,0.12), rgba(34,211,238,0.12));
	display: flex; align-items: center; justify-content: center;
	margin-bottom: 20px;
	color: var(--color-primary);
}
.service-icon svg { width: 24px; height: 24px; }
.service-card h3 { font-size: 19px; font-weight: 700; margin-bottom: 10px; letter-spacing: -0.01em; }
.service-card p { font-size: 15px; color: var(--color-ink-muted); }
.service-card ul { margin-top: 16px; display: flex; flex-direction: column; gap: 8px; }
.service-card ul li { font-size: 13.5px; color: var(--color-ink-muted); display: flex; gap: 8px; align-items: flex-start; }
.service-card ul li::before { content: "→"; color: var(--color-primary); flex-shrink: 0; }

/* ==========================================================================
   Split (about teaser / approach)
   ========================================================================== */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.split-media { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--color-border-light); box-shadow: var(--shadow-md); }
.split-media img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4/3; }
.section--dark .split-media { border-color: var(--color-border); }
.checklist { margin-top: 28px; display: flex; flex-direction: column; gap: 14px; }
.checklist li { display: flex; gap: 12px; align-items: flex-start; font-size: 15px; }
.checklist .tick {
	flex-shrink: 0; width: 22px; height: 22px; border-radius: 50%;
	background: rgba(34,211,238,0.15); color: var(--color-accent);
	display: flex; align-items: center; justify-content: center; font-size: 13px; margin-top: 2px;
}
.section:not(.section--dark) .checklist .tick { background: rgba(47,111,237,0.12); color: var(--color-primary); }

/* ==========================================================================
   Timeline (career/experience)
   ========================================================================== */
.timeline { display: flex; flex-direction: column; }
.timeline-item {
	display: grid;
	grid-template-columns: 200px 1fr;
	gap: 32px;
	padding: 28px 0;
	border-bottom: 1px solid var(--color-border-light);
}
.section--dark .timeline-item { border-color: var(--color-border); }
.timeline-item:first-child { padding-top: 0; }
.timeline-date { font-family: var(--font-mono); font-size: 13px; color: var(--color-primary-light); padding-top: 3px; }
.section:not(.section--dark) .timeline-date { color: var(--color-primary); }
.timeline-role { font-size: 18px; font-weight: 700; margin-bottom: 4px; }
.timeline-org { font-size: 14px; color: var(--color-ink-muted); margin-bottom: 10px; }
.section--dark .timeline-org { color: var(--color-text-muted); }
.timeline-desc { font-size: 14.5px; color: var(--color-ink-muted); max-width: 640px; }
.section--dark .timeline-desc { color: var(--color-text-muted); }

/* ==========================================================================
   Certification badges
   ========================================================================== */
.badge-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-top: 40px; }
.badge-card {
	border: 1px solid var(--color-border-light);
	border-radius: var(--radius-sm);
	padding: 18px 20px;
	display: flex; align-items: center; gap: 14px;
}
.section--dark .badge-card { border-color: var(--color-border); }
.badge-card .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--color-accent); flex-shrink: 0; }
.badge-card .name { font-size: 14px; font-weight: 600; }
.badge-card .issuer { font-size: 12px; color: var(--color-ink-muted); }
.section--dark .badge-card .issuer { color: var(--color-text-muted); }

/* ==========================================================================
   CTA banner
   ========================================================================== */
.cta-banner {
	background: linear-gradient(120deg, #0a0f1e, #16255e 60%, #0a0f1e);
	color: #fff;
	border-radius: var(--radius-lg);
	padding: 64px 56px;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 32px;
	flex-wrap: wrap;
}
.cta-banner h2 { font-size: clamp(24px, 3vw, 32px); font-weight: 800; max-width: 480px; }
.cta-banner p { margin-top: 10px; color: var(--color-text-muted); max-width: 460px; }

/* ==========================================================================
   Contact page
   ========================================================================== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; }
.contact-info-item { display: flex; gap: 16px; padding: 20px 0; border-bottom: 1px solid var(--color-border-light); }
.contact-info-item .icon {
	width: 40px; height: 40px; border-radius: 10px; flex-shrink: 0;
	background: rgba(47,111,237,0.1); color: var(--color-primary);
	display: flex; align-items: center; justify-content: center;
}
.contact-info-item .label { font-size: 13px; color: var(--color-ink-muted); margin-bottom: 2px; }
.contact-info-item .value { font-size: 15.5px; font-weight: 600; }
.contact-form { background: var(--color-surface-light); border-radius: var(--radius-lg); padding: 40px; }
.form-row { margin-bottom: 20px; }
.form-row label { display: block; font-size: 13.5px; font-weight: 600; margin-bottom: 8px; color: var(--color-ink); }
.form-row input, .form-row textarea {
	width: 100%;
	padding: 13px 16px;
	border-radius: var(--radius-sm);
	border: 1px solid var(--color-border-light);
	font-family: inherit;
	font-size: 15px;
	background: #fff;
	transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.form-row input:focus, .form-row textarea:focus {
	outline: none; border-color: var(--color-primary);
	box-shadow: 0 0 0 3px rgba(47,111,237,0.15);
}
.form-row textarea { resize: vertical; min-height: 130px; }
.hp-field { position: absolute; left: -9999px; }
.form-alert {
	padding: 14px 18px; border-radius: var(--radius-sm); margin-bottom: 24px; font-size: 14.5px; font-weight: 500;
}
.form-alert--success { background: rgba(34,197,94,0.12); color: #15803d; border: 1px solid rgba(34,197,94,0.3); }
.form-alert--error { background: rgba(239,68,68,0.12); color: #b91c1c; border: 1px solid rgba(239,68,68,0.3); }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer { background: var(--color-bg); color: var(--color-text-muted); padding: 72px 0 32px; }
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 48px; border-bottom: 1px solid var(--color-border); }
.footer-brand .site-logo { margin-bottom: 16px; }
.footer-brand p { font-size: 14.5px; max-width: 280px; }
.footer-col h3 { font-size: 13px; text-transform: uppercase; letter-spacing: 0.06em; color: #fff; margin-bottom: 18px; }
.footer-col ul { display: flex; flex-direction: column; gap: 12px; }
.footer-col a { font-size: 14.5px; transition: color 0.15s ease; }
.footer-col a:hover { color: #fff; }
.footer-bottom { padding-top: 28px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; font-size: 13px; }

/* ==========================================================================
   Page banner (inner pages)
   ========================================================================== */
.page-banner { background: var(--color-bg); color: var(--color-text); padding: 72px 0 56px; }
.page-banner .section-eyebrow { color: var(--color-accent); border-color: rgba(34,211,238,0.3); background: rgba(34,211,238,0.1); }
.page-banner h1 { font-size: clamp(32px, 4vw, 46px); font-weight: 800; letter-spacing: -0.02em; }
.page-banner p { margin-top: 16px; color: var(--color-text-muted); font-size: 17px; max-width: 600px; }

/* ==========================================================================
   Blog / index
   ========================================================================== */
.post-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.post-card { border: 1px solid var(--color-border-light); border-radius: var(--radius-md); overflow: hidden; }
.post-card img { aspect-ratio: 16/9; object-fit: cover; }
.post-card-body { padding: 24px; }
.post-card .post-meta { font-family: var(--font-mono); font-size: 12px; color: var(--color-primary); margin-bottom: 10px; }
.post-card h2 { font-size: 19px; font-weight: 700; }
.post-card p { margin-top: 10px; font-size: 14.5px; color: var(--color-ink-muted); }
.empty-state { text-align: center; padding: 60px 20px; color: var(--color-ink-muted); }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 960px) {
	.hero .container { grid-template-columns: 1fr; }
	.hero-visual { max-width: 480px; }
	.split { grid-template-columns: 1fr; }
	.split-media { order: -1; }
	.card-grid { grid-template-columns: repeat(2, 1fr); }
	.trust-bar .container { grid-template-columns: repeat(2, 1fr); row-gap: 28px; }
	.footer-top { grid-template-columns: 1fr 1fr; row-gap: 36px; }
	.contact-grid { grid-template-columns: 1fr; }
	.post-list { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
	.primary-nav, .header-cta .btn-ghost { display: none; }
	.nav-toggle { display: flex; }
	.card-grid { grid-template-columns: 1fr; }
	.timeline-item { grid-template-columns: 1fr; gap: 6px; }
	.cta-banner { flex-direction: column; align-items: flex-start; text-align: left; }
	.footer-top { grid-template-columns: 1fr; }
	.footer-bottom { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 480px) {
	.header-cta .btn-primary { display: none; }
	.site-logo span:not(.logo-mark) { font-size: 16px; }
	.header-cta { gap: 10px; }
	.hero { padding: 64px 0 72px; }
	.hero-stats { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
	.cta-banner { padding: 40px 24px; }
}

/* Mobile nav drawer */
.mobile-nav {
	display: none;
	position: fixed; inset: 78px 0 0 0;
	background: var(--color-bg);
	z-index: 90;
	padding: 32px 24px;
	overflow-y: auto;
}
.mobile-nav.is-open { display: block; }
.mobile-nav ul { display: flex; flex-direction: column; gap: 4px; }
.mobile-nav a { display: block; padding: 16px 4px; font-size: 19px; font-weight: 600; color: #fff; border-bottom: 1px solid var(--color-border); }
.mobile-nav .btn { margin-top: 24px; }