/*
Theme Name: Byzantine Solutions
Theme URI: https://byzantinesolutions.com
Author: Byzantine Solutions
Description: Official theme for Byzantine Solutions — a cybersecurity and software development consultancy. Self-contained: activating the theme automatically provisions the homepage, menu, and sample services. No page builder or third-party plugin required.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.6
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: LICENSE
Text Domain: byzantine-solutions
Tags: dark, one-column, two-columns, custom-colors, custom-logo, custom-menu, featured-images, threaded-comments, translation-ready
*/

/* ==========================================================================
   0. Design tokens
   ========================================================================== */
:root {
	--bs-bg: #0a0e17;
	--bs-bg-alt: #0f1526;
	--bs-surface: #141c33;
	--bs-surface-2: #1a233d;
	--bs-border: #26314f;
	--bs-text: #e7ecf5;
	--bs-text-muted: #97a3c0;
	--bs-gold: #c9a24d;
	--bs-gold-dim: #8a7136;
	--bs-teal: #22d3ee;
	--bs-danger: #ef4444;
	--bs-success: #34d399;
	--bs-radius: 12px;
	--bs-radius-sm: 8px;
	--bs-max: 1180px;
	--bs-shadow: 0 20px 50px -20px rgba(0, 0, 0, 0.6);
	--bs-font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
	--bs-font-head: Georgia, "Times New Roman", Times, serif;
	--bs-font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

/* ==========================================================================
   1. Reset & base
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
	margin: 0;
	background: var(--bs-bg);
	color: var(--bs-text);
	font-family: var(--bs-font-body);
	font-size: 16px;
	line-height: 1.65;
	-webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--bs-teal); text-decoration: none; }
a:hover { color: var(--bs-gold); }
ul, ol { padding-left: 1.2em; }
h1, h2, h3, h4, h5, h6 {
	font-family: var(--bs-font-head);
	font-weight: 700;
	line-height: 1.2;
	margin: 0 0 0.5em;
	color: #fff;
}
h1 { font-size: clamp(2rem, 4vw, 3.2rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); }
h3 { font-size: 1.3rem; }
p { margin: 0 0 1em; }
.screen-reader-text {
	position: absolute !important;
	clip: rect(1px, 1px, 1px, 1px);
	width: 1px; height: 1px; overflow: hidden;
}
.skip-link {
	position: absolute;
	left: -9999px;
	top: 0;
	background: var(--bs-gold);
	color: #0a0e17;
	padding: 10px 16px;
	z-index: 9999;
	font-weight: 600;
}
.skip-link:focus { left: 10px; top: 10px; }

/* ==========================================================================
   2. Layout helpers
   ========================================================================== */
.bs-container {
	max-width: var(--bs-max);
	margin: 0 auto;
	padding: 0 24px;
}
.bs-section { padding: 88px 0; }
.bs-section--tight { padding: 56px 0; }
.bs-section--alt { background: var(--bs-bg-alt); }
.bs-section--surface { background: var(--bs-surface); }
.bs-section-head { max-width: 720px; margin: 0 0 48px; }
.bs-section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.bs-section-head p { color: var(--bs-text-muted); font-size: 1.05rem; }
.bs-grid { display: grid; gap: 28px; }
.bs-grid--3 { grid-template-columns: repeat(3, 1fr); }
.bs-grid--2 { grid-template-columns: repeat(2, 1fr); }
.bs-grid--4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 920px) {
	.bs-grid--3, .bs-grid--4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
	.bs-grid--2, .bs-grid--3, .bs-grid--4 { grid-template-columns: 1fr; }
	.bs-section { padding: 56px 0; }
}

/* ==========================================================================
   3. Buttons
   ========================================================================== */
.bs-btn {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	font-weight: 600;
	font-size: 0.95rem;
	padding: 14px 26px;
	border-radius: var(--bs-radius-sm);
	border: 1px solid transparent;
	cursor: pointer;
	transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease;
}
.bs-btn:hover { transform: translateY(-1px); }
.bs-btn--primary {
	background: linear-gradient(135deg, var(--bs-gold), #a9803c);
	color: #10131c;
}
.bs-btn--primary:hover { box-shadow: 0 10px 30px -10px rgba(201, 162, 77, 0.6); color: #10131c; }
.bs-btn--ghost {
	background: transparent;
	color: var(--bs-text);
	border-color: var(--bs-border);
}
.bs-btn--ghost:hover { border-color: var(--bs-teal); color: var(--bs-teal); }
.bs-btn--sm { padding: 9px 16px; font-size: 0.85rem; }

/* ==========================================================================
   4. Header
   ========================================================================== */
.bs-header {
	position: sticky;
	top: 0;
	z-index: 500;
	background: rgba(10, 14, 23, 0.9);
	backdrop-filter: blur(10px);
	border-bottom: 1px solid var(--bs-border);
}
.bs-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 16px 0;
	gap: 24px;
}
.bs-logo { display: flex; align-items: center; gap: 10px; font-family: var(--bs-font-head); font-size: 1.3rem; font-weight: 700; color: #fff; }
.bs-logo img { max-height: 42px; width: auto; display: block; }
.bs-logo:hover { color: #fff; }
.bs-nav { display: flex; align-items: center; gap: 8px; }
.bs-nav ul { list-style: none; display: flex; gap: 4px; margin: 0; padding: 0; }
.bs-nav li { position: relative; }
.bs-nav a {
	display: block;
	padding: 10px 14px;
	color: var(--bs-text);
	font-size: 0.95rem;
	font-weight: 500;
	border-radius: var(--bs-radius-sm);
}
.bs-nav a:hover, .bs-nav .current-menu-item > a { color: var(--bs-gold); background: rgba(201, 162, 77, 0.08); }
.bs-nav ul ul {
	display: none;
	position: absolute;
	top: 100%; left: 0;
	background: var(--bs-surface-2);
	border: 1px solid var(--bs-border);
	border-radius: var(--bs-radius-sm);
	min-width: 220px;
	padding: 6px;
	box-shadow: var(--bs-shadow);
}
.bs-nav li:hover > ul { display: block; }
.bs-header__actions { display: flex; align-items: center; gap: 14px; }
.bs-menu-toggle {
	display: none;
	background: transparent;
	border: 1px solid var(--bs-border);
	border-radius: var(--bs-radius-sm);
	padding: 8px 10px;
	color: var(--bs-text);
	cursor: pointer;
}
@media (max-width: 880px) {
	.bs-menu-toggle { display: inline-flex; }
	.bs-nav { position: fixed; inset: 68px 0 0 0; background: var(--bs-bg); flex-direction: column; align-items: stretch; padding: 20px; transform: translateY(-8px); opacity: 0; visibility: hidden; transition: all 0.2s ease; overflow-y: auto; }
	.bs-nav.is-open { transform: translateY(0); opacity: 1; visibility: visible; }
	.bs-nav ul { flex-direction: column; width: 100%; }
	.bs-nav ul ul { position: static; display: block; border: none; background: transparent; padding-left: 12px; }
	.bs-header__actions .bs-btn--primary { display: none; }
}

/* ==========================================================================
   5. Hero
   ========================================================================== */
.bs-hero {
	position: relative;
	padding: 120px 0 100px;
	overflow: hidden;
	background:
		radial-gradient(circle at 15% 20%, rgba(201, 162, 77, 0.16), transparent 45%),
		radial-gradient(circle at 85% 0%, rgba(34, 211, 238, 0.16), transparent 40%),
		linear-gradient(180deg, rgba(8, 11, 18, 0.9), rgba(8, 11, 18, 0.96)),
		url('assets/img/hero-bg.jpg') center center / cover no-repeat;
}
.bs-hero::before {
	content: "";
	position: absolute; inset: 0;
	background-image: linear-gradient(rgba(231,236,245,0.045) 1px, transparent 1px), linear-gradient(90deg, rgba(231,236,245,0.045) 1px, transparent 1px);
	background-size: 42px 42px;
	mask-image: radial-gradient(ellipse at 50% 0%, black 40%, transparent 75%);
	pointer-events: none;
}
.bs-hero__inner { position: relative; max-width: 780px; }
.bs-hero h1 { margin-bottom: 20px; }
.bs-hero h1 em { font-style: normal; color: var(--bs-gold); }
.bs-hero__lead { font-size: 1.15rem; color: var(--bs-text-muted); max-width: 620px; margin-bottom: 34px; }
.bs-hero__actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 46px; }
.bs-hero__trust { display: flex; gap: 32px; flex-wrap: wrap; }
.bs-hero__trust div { font-family: var(--bs-font-mono); }
.bs-hero__trust strong { display: block; font-size: 1.6rem; color: #fff; }
.bs-hero__trust span { font-size: 0.82rem; color: var(--bs-text-muted); text-transform: uppercase; letter-spacing: 0.06em; }

/* ==========================================================================
   6. Cards / services
   ========================================================================== */
.bs-card {
	background: var(--bs-surface);
	border: 1px solid var(--bs-border);
	border-radius: var(--bs-radius);
	padding: 30px;
	transition: border-color 0.15s ease, transform 0.15s ease;
	height: 100%;
}
.bs-card:hover { border-color: var(--bs-gold-dim); transform: translateY(-3px); }
.bs-card__icon {
	width: 52px; height: 52px;
	display: flex; align-items: center; justify-content: center;
	border-radius: var(--bs-radius-sm);
	background: rgba(201, 162, 77, 0.1);
	color: var(--bs-gold);
	margin-bottom: 20px;
}
.bs-card__icon svg { width: 26px; height: 26px; }
.bs-card h3 { margin-bottom: 10px; }
.bs-card p { color: var(--bs-text-muted); margin-bottom: 16px; }
.bs-card a.bs-card__link { font-size: 0.9rem; font-weight: 600; color: var(--bs-teal); }
.bs-card a.bs-card__link:hover { color: var(--bs-gold); }

/* ==========================================================================
   7. About / split
   ========================================================================== */
.bs-split { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
@media (max-width: 880px) { .bs-split { grid-template-columns: 1fr; gap: 36px; } }
.bs-checklist { list-style: none; padding: 0; margin: 22px 0 0; }
.bs-checklist li { display: flex; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--bs-border); color: var(--bs-text-muted); }
.bs-checklist li:last-child { border-bottom: none; }
.bs-checklist svg { flex-shrink: 0; width: 20px; height: 20px; color: var(--bs-success); margin-top: 2px; }
.bs-illustration {
	aspect-ratio: 4 / 3;
	border-radius: var(--bs-radius);
	background: var(--bs-surface) url('assets/img/lock-code.jpg') center center / cover no-repeat;
	border: 1px solid var(--bs-border);
	display: flex; align-items: center; justify-content: center;
	position: relative;
	overflow: hidden;
}
.bs-illustration::after {
	content: "";
	position: absolute; inset: 0;
	background: linear-gradient(160deg, rgba(10,14,23,0.15), rgba(10,14,23,0.55) 75%);
}

/* ==========================================================================
   8. Process steps
   ========================================================================== */
.bs-steps { counter-reset: bs-step; }
.bs-step { position: relative; padding-left: 56px; }
.bs-step::before {
	counter-increment: bs-step;
	content: counter(bs-step, decimal-leading-zero);
	position: absolute; left: 0; top: 0;
	font-family: var(--bs-font-mono);
	font-size: 0.85rem;
	color: var(--bs-gold);
	width: 38px; height: 38px;
	border: 1px solid var(--bs-gold-dim);
	border-radius: 50%;
	display: flex; align-items: center; justify-content: center;
}

/* ==========================================================================
   9b. Global reach city grid
   ========================================================================== */
.bs-city-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; }
.bs-city {
	position: relative;
	aspect-ratio: 3 / 4;
	border-radius: var(--bs-radius-sm);
	overflow: hidden;
	border: 1px solid var(--bs-border);
}
.bs-city img {
	width: 100%; height: 100%;
	object-fit: cover;
	filter: grayscale(0.25) brightness(0.82);
	transition: filter 0.25s ease, transform 0.35s ease;
}
.bs-city:hover img { filter: grayscale(0) brightness(0.95); transform: scale(1.06); }
.bs-city span {
	position: absolute; left: 0; right: 0; bottom: 0;
	padding: 10px 8px 8px;
	background: linear-gradient(0deg, rgba(0, 0, 0, 0.8), transparent);
	color: #fff;
	font-family: var(--bs-font-mono);
	font-size: 0.7rem;
	text-transform: uppercase;
	letter-spacing: 0.04em;
}
@media (max-width: 880px) { .bs-city-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 480px) { .bs-city-grid { grid-template-columns: repeat(2, 1fr); } }

/* ==========================================================================
   10. CTA banner
   ========================================================================== */
.bs-cta {
	background:
		linear-gradient(135deg, rgba(15, 21, 38, 0.93), rgba(10, 14, 23, 0.93)),
		url('assets/img/cta-bg.jpg') center 25% / cover no-repeat;
	border: 1px solid var(--bs-border);
	border-radius: var(--bs-radius);
	padding: 56px;
	text-align: center;
}
.bs-cta h2 { margin-bottom: 12px; }
.bs-cta p { color: var(--bs-text-muted); max-width: 560px; margin: 0 auto 28px; }

/* ==========================================================================
   11. Footer
   ========================================================================== */
.bs-footer { background: var(--bs-bg-alt); border-top: 1px solid var(--bs-border); padding-top: 72px; }
.bs-footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 48px; }
@media (max-width: 880px) { .bs-footer__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .bs-footer__grid { grid-template-columns: 1fr; } }
.bs-footer h4 { font-family: var(--bs-font-body); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--bs-text-muted); margin-bottom: 18px; }
.bs-footer p { color: var(--bs-text-muted); font-size: 0.92rem; }
.bs-footer ul { list-style: none; padding: 0; margin: 0; }
.bs-footer li { margin-bottom: 10px; }
.bs-footer a { color: var(--bs-text-muted); font-size: 0.92rem; }
.bs-footer a:hover { color: var(--bs-gold); }
.bs-footer__social { display: flex; gap: 10px; margin-top: 18px; }
.bs-footer__social a { width: 36px; height: 36px; border: 1px solid var(--bs-border); border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.bs-footer__social svg { width: 16px; height: 16px; }
.bs-footer__bottom { border-top: 1px solid var(--bs-border); padding: 22px 0; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; font-size: 0.85rem; color: var(--bs-text-muted); }
.bs-footer__bottom a { color: var(--bs-text-muted); }

/* ==========================================================================
   12. Inner pages: page banner, content, blog, contact
   ========================================================================== */
.bs-page-banner {
	padding: 64px 0 40px;
	border-bottom: 1px solid var(--bs-border);
	background:
		linear-gradient(180deg, rgba(15, 21, 38, 0.94), rgba(15, 21, 38, 0.97)),
		url('assets/img/page-banner-bg.jpg') center / cover no-repeat;
}
.bs-page-banner--service {
	background:
		linear-gradient(180deg, rgba(10, 14, 23, 0.88), rgba(10, 14, 23, 0.95)),
		url('assets/img/service-banner-bg.jpg') center / cover no-repeat;
}
.bs-breadcrumb { font-family: var(--bs-font-mono); font-size: 0.8rem; color: var(--bs-text-muted); margin-bottom: 14px; }
.bs-breadcrumb a { color: var(--bs-text-muted); }
.bs-breadcrumb a:hover { color: var(--bs-gold); }
.bs-content { padding: 64px 0; }
.bs-content .bs-container { max-width: 820px; }
.bs-content img { border-radius: var(--bs-radius); }
.bs-content blockquote { border-left: 3px solid var(--bs-gold); margin: 24px 0; padding: 4px 0 4px 20px; color: var(--bs-text-muted); font-style: italic; }
.bs-content pre { background: var(--bs-surface); border: 1px solid var(--bs-border); border-radius: var(--bs-radius-sm); padding: 16px; overflow-x: auto; }
.bs-content code { font-family: var(--bs-font-mono); background: var(--bs-surface); padding: 2px 6px; border-radius: 4px; font-size: 0.9em; }
.bs-content table { width: 100%; border-collapse: collapse; margin: 20px 0; }
.bs-content th, .bs-content td { border: 1px solid var(--bs-border); padding: 10px 12px; text-align: left; }

.bs-blog-layout { display: grid; grid-template-columns: 2fr 1fr; gap: 48px; }
@media (max-width: 880px) { .bs-blog-layout { grid-template-columns: 1fr; } }
.bs-post-card { border-bottom: 1px solid var(--bs-border); padding: 28px 0; }
.bs-post-card:first-child { padding-top: 0; }
.bs-post-card__meta { font-family: var(--bs-font-mono); font-size: 0.78rem; color: var(--bs-teal); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 8px; }
.bs-post-card h2 { font-size: 1.5rem; margin-bottom: 10px; }
.bs-post-card p { color: var(--bs-text-muted); }
.bs-widget { background: var(--bs-surface); border: 1px solid var(--bs-border); border-radius: var(--bs-radius); padding: 24px; margin-bottom: 24px; }
.bs-widget h2, .bs-widget h3 { font-size: 1rem; text-transform: uppercase; letter-spacing: 0.05em; font-family: var(--bs-font-body); color: var(--bs-text-muted); margin-bottom: 14px; }
.bs-widget ul { list-style: none; margin: 0; padding: 0; }
.bs-widget li { padding: 8px 0; border-bottom: 1px solid var(--bs-border); font-size: 0.92rem; }
.bs-widget li:last-child { border-bottom: none; }
.bs-pagination { display: flex; gap: 8px; margin-top: 32px; }
.bs-pagination a, .bs-pagination span { padding: 8px 14px; border: 1px solid var(--bs-border); border-radius: var(--bs-radius-sm); font-size: 0.9rem; }
.bs-pagination .current { background: var(--bs-gold); color: #0a0e17; border-color: var(--bs-gold); }

.bs-search-form { display: flex; gap: 8px; }
.bs-search-form input[type="search"] {
	flex: 1; background: var(--bs-bg); border: 1px solid var(--bs-border); border-radius: var(--bs-radius-sm);
	color: var(--bs-text); padding: 10px 14px; font-size: 0.9rem;
}

/* Contact page */
.bs-contact-layout { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 48px; }
@media (max-width: 880px) { .bs-contact-layout { grid-template-columns: 1fr; } }
.bs-contact-info li { display: flex; gap: 14px; padding: 16px 0; border-bottom: 1px solid var(--bs-border); }
.bs-contact-info li:last-child { border-bottom: none; }
.bs-contact-info svg { width: 22px; height: 22px; color: var(--bs-gold); flex-shrink: 0; margin-top: 2px; }
.bs-contact-info strong { display: block; color: #fff; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 3px; }
.bs-form { background: var(--bs-surface); border: 1px solid var(--bs-border); border-radius: var(--bs-radius); padding: 34px; }
.bs-form-row { margin-bottom: 18px; }
.bs-form-row--2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 560px) { .bs-form-row--2 { grid-template-columns: 1fr; } }
.bs-form label { display: block; font-size: 0.85rem; color: var(--bs-text-muted); margin-bottom: 6px; }
.bs-form input, .bs-form textarea, .bs-form select {
	width: 100%; background: var(--bs-bg); border: 1px solid var(--bs-border); border-radius: var(--bs-radius-sm);
	color: var(--bs-text); padding: 12px 14px; font-size: 0.95rem; font-family: inherit;
}
.bs-form input:focus, .bs-form textarea:focus { outline: none; border-color: var(--bs-teal); }
.bs-form textarea { resize: vertical; min-height: 130px; }
.bs-form-notice { padding: 14px 16px; border-radius: var(--bs-radius-sm); margin-bottom: 20px; font-size: 0.9rem; }
.bs-form-notice--success { background: rgba(52, 211, 153, 0.1); border: 1px solid rgba(52, 211, 153, 0.4); color: var(--bs-success); }
.bs-form-notice--error { background: rgba(239, 68, 68, 0.1); border: 1px solid rgba(239, 68, 68, 0.4); color: var(--bs-danger); }
.bs-hp-field { position: absolute !important; left: -9999px !important; top: -9999px !important; }

/* 404 */
.bs-404 { text-align: center; padding: 110px 0; }
.bs-404 .bs-404__code { font-family: var(--bs-font-mono); color: var(--bs-gold); font-size: 1rem; letter-spacing: 0.1em; }

/* Alignment / core block basics (used inside page/post content) */
.alignwide { margin-left: -60px; margin-right: -60px; max-width: calc(100% + 120px); }
.alignfull { margin-left: calc(50% - 50vw); margin-right: calc(50% - 50vw); max-width: 100vw; }
.aligncenter { margin-left: auto; margin-right: auto; }
.wp-caption-text { font-size: 0.85rem; color: var(--bs-text-muted); text-align: center; }