/* ==========================================================================
   IBOSIM IT Solutions — main stylesheet
   Concept: "Clear signal" — luminous, ordered, technical but warm.
   ========================================================================== */

:root {
	--ink: #0E1620;
	--navy: #0B2A4A;
	--signal: #00A6B8;
	--signal-deep: #008795;
	--mist: #5A6B7B;
	--haze: #E4EBF1;
	--paper: #F7F9FB;
	--white: #FFFFFF;

	--font-display: "Space Grotesk", system-ui, sans-serif;
	--font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;

	--wrap: 1200px;
	--wrap-narrow: 760px;
	--radius: 14px;
	--radius-sm: 10px;

	--shadow-sm: 0 1px 2px rgba(11, 42, 74, .06), 0 2px 8px rgba(11, 42, 74, .05);
	--shadow-md: 0 6px 24px rgba(11, 42, 74, .10);

	--ease: cubic-bezier(.22, .61, .36, 1);
}

/* --------------------------------------------------------------------------
   Base
   -------------------------------------------------------------------------- */
html { scroll-behavior: smooth; }

body {
	margin: 0;
	background: var(--paper);
	color: var(--ink);
	font-family: var(--font-body);
	font-size: 1.0625rem;
	line-height: 1.65;
	-webkit-font-smoothing: antialiased;
	text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
	font-family: var(--font-display);
	color: var(--navy);
	line-height: 1.12;
	letter-spacing: -0.02em;
	font-weight: 600;
	margin: 0 0 .5em;
}

p { margin: 0 0 1.15em; }
a { color: var(--signal-deep); text-decoration: none; }
a:hover { color: var(--navy); }
img { max-width: 100%; height: auto; display: block; }

.wrap {
	width: 100%;
	max-width: var(--wrap-narrow);
	margin-inline: auto;
	padding-inline: 1.5rem;
}
.wrap-wide {
	width: 100%;
	max-width: var(--wrap);
	margin-inline: auto;
	padding-inline: 1.5rem;
}
.section { padding-block: clamp(3rem, 2rem + 4vw, 6rem); }

/* Accessibility helpers */
.screen-reader-text {
	position: absolute !important;
	width: 1px; height: 1px;
	overflow: hidden; clip: rect(1px, 1px, 1px, 1px);
	white-space: nowrap; border: 0; padding: 0; margin: -1px;
}
.skip-link {
	position: absolute; left: -999px; top: 0; z-index: 100;
	background: var(--navy); color: #fff; padding: .75rem 1rem;
	border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus { left: 0; color: #fff; }

:where(a, button, input, textarea, [tabindex]):focus-visible {
	outline: 3px solid var(--signal);
	outline-offset: 2px;
	border-radius: 4px;
}

/* --------------------------------------------------------------------------
   Eyebrow / section heads / shared bits
   -------------------------------------------------------------------------- */
.eyebrow {
	display: inline-flex; align-items: center; gap: .5rem;
	font-family: var(--font-display);
	font-size: .8rem; font-weight: 600;
	letter-spacing: .12em; text-transform: uppercase;
	color: var(--signal-deep);
	margin: 0 0 1rem;
}
.eyebrow--light { color: #8fd8e1; }
.eyebrow__coord {
	font-variant-numeric: tabular-nums;
	color: var(--mist);
	font-weight: 500;
	letter-spacing: .04em;
	padding-right: .5rem;
	border-right: 1px solid var(--haze);
}

.section-head { max-width: 640px; margin: 0 auto clamp(2rem, 1rem + 3vw, 3.5rem); text-align: center; }
.section-head--left { margin-inline: 0; text-align: left; }
.section-head__title { font-size: clamp(1.75rem, 1.2rem + 2vw, 2.5rem); }
.section-head__lead { color: var(--mist); font-size: 1.125rem; margin: 0; }

.link-arrow {
	display: inline-flex; align-items: center; gap: .4rem;
	font-family: var(--font-display); font-weight: 600;
	color: var(--signal-deep);
}
.link-arrow .icon { transition: transform .25s var(--ease); }
.link-arrow:hover .icon { transform: translateX(4px); }

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.ibosim-btn {
	display: inline-flex; align-items: center; gap: .5rem;
	font-family: var(--font-display); font-weight: 600; font-size: 1rem;
	padding: .8rem 1.4rem; border-radius: var(--radius-sm);
	border: 1.5px solid transparent; cursor: pointer;
	transition: transform .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
	line-height: 1;
}
.ibosim-btn:hover { transform: translateY(-2px); }
.ibosim-btn--primary { background: var(--signal); color: #fff; }
.ibosim-btn--primary:hover { background: var(--signal-deep); color: #fff; }
.ibosim-btn--ghost { background: transparent; color: var(--navy); border-color: var(--haze); }
.ibosim-btn--ghost:hover { border-color: var(--signal); color: var(--navy); }
.ibosim-btn--light { background: #fff; color: var(--navy); }
.ibosim-btn--light:hover { background: var(--paper); color: var(--navy); }
.ibosim-btn--ghost-light { background: transparent; color: #fff; border-color: rgba(255,255,255,.4); }
.ibosim-btn--ghost-light:hover { border-color: #fff; color: #fff; }
.ibosim-btn--nav { padding: .6rem 1.1rem; font-size: .95rem; background: var(--signal); color:#fff; }
.ibosim-btn--nav:hover { background: var(--signal-deep); color: #fff; }

/* --------------------------------------------------------------------------
   Header / nav
   -------------------------------------------------------------------------- */
.site-header {
	position: sticky; top: 0; z-index: 50;
	background: rgba(247, 249, 251, .85);
	backdrop-filter: saturate(180%) blur(12px);
	border-bottom: 1px solid var(--haze);
}
.site-header__inner {
	display: flex; align-items: center; justify-content: space-between;
	gap: 1rem; min-height: 72px;
}
.custom-logo { max-height: 44px; width: auto; }
.brand-logo img { max-height: 42px; width: auto; display: block; }
.site-footer__logo { max-height: 40px; width: auto; margin-bottom: 1rem; }

.brand-wordmark {
	font-family: var(--font-display); font-weight: 700;
	font-size: 1.25rem; letter-spacing: -0.01em; color: var(--navy);
	display: inline-flex; align-items: baseline; gap: .35rem;
}
.brand-wordmark__ibosim { color: var(--navy); }
.brand-wordmark__it {
	color: var(--signal-deep); font-weight: 500; font-size: .95rem;
	letter-spacing: 0;
}
.brand-wordmark:hover .brand-wordmark__ibosim { color: var(--signal-deep); }

.site-nav { display: flex; align-items: center; gap: 1.75rem; }
.site-nav ul {
	display: flex; align-items: center; gap: 1.5rem;
	list-style: none; margin: 0; padding: 0;
}
.site-nav a {
	font-family: var(--font-display); font-weight: 500;
	color: var(--ink); font-size: 1rem;
}
.site-nav ul a { position: relative; }
.site-nav ul a::after {
	content: ""; position: absolute; left: 0; bottom: -6px;
	width: 0; height: 2px; background: var(--signal);
	transition: width .25s var(--ease);
}
.site-nav ul a:hover { color: var(--navy); }
.site-nav ul a:hover::after { width: 100%; }

.nav-toggle {
	display: none; flex-direction: column; gap: 5px;
	background: none; border: 0; padding: .5rem; cursor: pointer;
}
.nav-toggle__bar { width: 24px; height: 2px; background: var(--navy); transition: transform .25s var(--ease), opacity .25s var(--ease); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* --------------------------------------------------------------------------
   Hero — signature: coordinate grid + signal pin
   -------------------------------------------------------------------------- */
.hero { position: relative; overflow: hidden; padding-block: clamp(3.5rem, 2rem + 8vw, 8rem); }
.hero__grid-motif {
	position: absolute; inset: 0; pointer-events: none;
	background-image:
		linear-gradient(to right, rgba(11,42,74,.05) 1px, transparent 1px),
		linear-gradient(to bottom, rgba(11,42,74,.05) 1px, transparent 1px);
	background-size: 44px 44px;
	mask-image: radial-gradient(120% 90% at 85% 15%, #000 0%, transparent 70%);
	-webkit-mask-image: radial-gradient(120% 90% at 85% 15%, #000 0%, transparent 70%);
}
.hero__pin {
	position: absolute; top: 18%; right: 14%;
	color: var(--signal); display: inline-flex;
}
.hero__pin::after {
	content: ""; position: absolute; inset: -14px; border-radius: 50%;
	border: 1.5px solid var(--signal);
	animation: ibosim-ping 3s var(--ease) infinite;
	opacity: 0;
}
@keyframes ibosim-ping {
	0% { transform: scale(.6); opacity: .8; }
	80%, 100% { transform: scale(1.8); opacity: 0; }
}
.hero__inner { position: relative; max-width: 780px; }
.hero__eyebrow { flex-wrap: wrap; }
.hero__title {
	font-size: clamp(2.25rem, 1.4rem + 3.6vw, 3.9rem);
	margin-bottom: .35em;
}
.hero__lead {
	font-size: clamp(1.1rem, 1rem + .5vw, 1.3rem);
	color: var(--mist); max-width: 62ch;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: .85rem; margin-top: 2rem; }

/* --------------------------------------------------------------------------
   Trust bar
   -------------------------------------------------------------------------- */
.trust-bar { border-block: 1px solid var(--haze); background: var(--white); }
.trust-bar__inner {
	display: grid; grid-template-columns: repeat(4, 1fr);
	gap: 1rem; padding-block: 1.25rem;
}
.trust-bar__item {
	display: flex; align-items: center; gap: .6rem; justify-content: center;
	font-family: var(--font-display); font-weight: 500; font-size: .95rem;
	color: var(--navy);
}
.trust-bar__item .icon { color: var(--signal-deep); flex: none; }

/* --------------------------------------------------------------------------
   Services
   -------------------------------------------------------------------------- */
.services { background: var(--paper); }
.services__grid {
	display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem;
}
.service-card {
	background: var(--white); border: 1px solid var(--haze);
	border-radius: var(--radius); padding: 1.75rem;
	box-shadow: var(--shadow-sm);
	transition: transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease);
}
.service-card:hover {
	transform: translateY(-4px);
	box-shadow: var(--shadow-md);
	border-color: color-mix(in srgb, var(--signal) 45%, var(--haze));
}
.service-card__icon {
	display: inline-flex; align-items: center; justify-content: center;
	width: 52px; height: 52px; border-radius: 12px;
	background: color-mix(in srgb, var(--signal) 12%, var(--white));
	color: var(--signal-deep); margin-bottom: 1.1rem;
}
.service-card__title { font-size: 1.2rem; margin-bottom: .4rem; }
.service-card__desc { color: var(--mist); margin: 0; font-size: 1rem; }
.services__more { text-align: center; margin-top: 2.5rem; }

/* --------------------------------------------------------------------------
   Approach — dark band
   -------------------------------------------------------------------------- */
.approach { background: linear-gradient(135deg, var(--navy) 0%, var(--ink) 100%); color: #cdd8e2; }
.approach__inner {
	display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(2rem, 1rem + 4vw, 5rem);
	align-items: start;
}
.approach .section-head__title { color: #fff; }
.approach .section-head__lead { color: #a9bccd; }
.approach__steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 1.25rem; }
.approach-step { display: flex; gap: 1.1rem; align-items: flex-start; }
.approach-step__num {
	font-family: var(--font-display); font-weight: 700; font-size: 1rem;
	color: var(--signal); font-variant-numeric: tabular-nums;
	border: 1.5px solid rgba(0,166,184,.4); border-radius: 8px;
	padding: .35rem .5rem; line-height: 1; flex: none;
}
.approach-step__title { color: #fff; font-size: 1.15rem; margin-bottom: .25rem; }
.approach-step__desc { color: #a9bccd; margin: 0; font-size: 1rem; }

/* --------------------------------------------------------------------------
   CTA band
   -------------------------------------------------------------------------- */
.cta-band { background: var(--signal); color: #fff; }
.cta-band__inner { text-align: center; padding-block: clamp(3rem, 2rem + 3vw, 5rem); }
.cta-band__title { color: #fff; font-size: clamp(1.6rem, 1.2rem + 2vw, 2.4rem); }
.cta-band__lead { color: rgba(255,255,255,.9); font-size: 1.15rem; max-width: 52ch; margin-inline: auto; }
.cta-band__actions { display: flex; gap: .85rem; justify-content: center; flex-wrap: wrap; margin-top: 1.75rem; }

/* --------------------------------------------------------------------------
   Page heads / content
   -------------------------------------------------------------------------- */
.page-head { padding-top: clamp(2.5rem, 1.5rem + 4vw, 4.5rem); padding-bottom: 0; }
.page-head__title { font-size: clamp(2rem, 1.4rem + 2.6vw, 3rem); }

.entry-content { font-size: 1.0625rem; }
.entry-content h2 { font-size: clamp(1.5rem, 1.2rem + 1.4vw, 2rem); margin-top: 2em; }
.entry-content h3 { font-size: 1.3rem; margin-top: 1.6em; }
.entry-content ul, .entry-content ol { padding-left: 1.25rem; }
.entry-content li { margin-bottom: .4rem; }
.entry-content blockquote {
	border-left: 3px solid var(--signal); margin: 1.5em 0; padding: .25em 0 .25em 1.25rem;
	color: var(--navy); font-style: italic;
}

/* --------------------------------------------------------------------------
   Blog list
   -------------------------------------------------------------------------- */
.post-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.75rem; }
.post-card {
	background: var(--white); border: 1px solid var(--haze); border-radius: var(--radius);
	overflow: hidden; box-shadow: var(--shadow-sm);
	transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.post-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.post-card__media img { aspect-ratio: 16/9; object-fit: cover; width: 100%; }
.post-card__body { padding: 1.5rem; }
.post-card__meta { color: var(--mist); font-size: .875rem; margin-bottom: .5rem; }
.post-card__title { font-size: 1.3rem; margin-bottom: .5rem; }
.post-card__title a { color: var(--navy); }
.post-card__title a:hover { color: var(--signal-deep); }
.post-card__excerpt { color: var(--mist); }

.pagination { margin-top: 3rem; display: flex; justify-content: center; }
.pagination .nav-links { display: flex; gap: .5rem; flex-wrap: wrap; }
.pagination a, .pagination .current {
	padding: .5rem .9rem; border-radius: 8px; border: 1px solid var(--haze);
	font-family: var(--font-display); color: var(--navy);
}
.pagination .current { background: var(--signal); color: #fff; border-color: var(--signal); }

/* --------------------------------------------------------------------------
   Contact page + form
   -------------------------------------------------------------------------- */
.contact-layout { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(2rem, 1rem + 4vw, 4rem); align-items: start; }
.contact-card {
	margin-top: 2rem; background: var(--white); border: 1px solid var(--haze);
	border-radius: var(--radius); padding: 1.75rem; box-shadow: var(--shadow-sm);
}
.contact-card__title { font-size: 1.2rem; }
.contact-card__note { color: var(--mist); font-size: .95rem; margin: 1rem 0 0; }

.contact-lines { list-style: none; margin: 0; padding: 0; display: grid; gap: .75rem; }
.contact-lines li { display: flex; align-items: center; gap: .6rem; }
.contact-lines .icon { color: var(--signal-deep); flex: none; }

.contact-form-title { font-size: 1.4rem; margin-bottom: 1.25rem; }

.ibosim-form {
	background: var(--white); border: 1px solid var(--haze);
	border-radius: var(--radius); padding: 1.75rem; box-shadow: var(--shadow-sm);
}
.ibosim-form__row { margin-bottom: 1.1rem; display: grid; gap: .4rem; }
.ibosim-form label {
	font-family: var(--font-display); font-weight: 500; font-size: .95rem; color: var(--navy);
}
.ibosim-form label span { color: var(--signal-deep); }
.ibosim-form input, .ibosim-form textarea {
	width: 100%; padding: .75rem .9rem; font: inherit; color: var(--ink);
	background: var(--paper); border: 1.5px solid var(--haze); border-radius: var(--radius-sm);
	transition: border-color .2s var(--ease), background .2s var(--ease);
}
.ibosim-form input:focus, .ibosim-form textarea:focus {
	outline: none; border-color: var(--signal); background: #fff;
}
.ibosim-form textarea { resize: vertical; min-height: 140px; }
.ibosim-form__consent { display: flex; gap: .5rem; margin: 0 0 1.25rem; font-size: .9rem; color: var(--mist); }
.ibosim-form__consent label { font-weight: 400; color: var(--mist); display: flex; gap: .5rem; align-items: flex-start; }
.ibosim-form__hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.ibosim-form__notice { padding: .85rem 1rem; border-radius: var(--radius-sm); margin-bottom: 1.25rem; font-size: .95rem; }
.ibosim-form__notice--ok { background: color-mix(in srgb, var(--signal) 14%, #fff); color: var(--signal-deep); border: 1px solid color-mix(in srgb, var(--signal) 40%, #fff); }
.ibosim-form__notice--error { background: #fdecec; color: #b3261e; border: 1px solid #f5c2c0; }

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.site-footer { background: var(--ink); color: #9fb0c0; padding-top: clamp(2.5rem, 1.5rem + 3vw, 4rem); }
.site-footer__grid {
	display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 2.5rem;
	padding-bottom: 2.5rem;
}
.brand-wordmark--footer .brand-wordmark__ibosim { color: #fff; }
.brand-wordmark--footer .brand-wordmark__it { color: var(--signal); }
.site-footer__tagline { color: #7f93a6; margin-top: 1rem; max-width: 40ch; }
.site-footer__title {
	color: #fff; font-size: 1rem; text-transform: uppercase;
	letter-spacing: .1em; margin-bottom: 1.1rem;
}
.site-footer .contact-lines a, .site-footer .contact-lines span { color: #9fb0c0; }
.site-footer .contact-lines a:hover { color: var(--signal); }
.site-footer .contact-lines .icon { color: var(--signal); }
.footer-menu { list-style: none; margin: 0; padding: 0; display: grid; gap: .6rem; }
.footer-menu a { color: #9fb0c0; }
.footer-menu a:hover { color: var(--signal); }
.site-footer__bottom {
	display: flex; justify-content: space-between; flex-wrap: wrap; gap: .5rem;
	border-top: 1px solid rgba(255,255,255,.08); padding-block: 1.5rem;
	font-size: .875rem; color: #7f93a6;
}
.site-footer__bottom a { color: var(--signal); }

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 900px) {
	.services__grid { grid-template-columns: repeat(2, 1fr); }
	.approach__inner { grid-template-columns: 1fr; }
	.contact-layout { grid-template-columns: 1fr; }
	.trust-bar__inner { grid-template-columns: repeat(2, 1fr); }
	.post-list { grid-template-columns: 1fr; }
	.site-footer__grid { grid-template-columns: 1fr 1fr; }
	.site-footer__col--brand { grid-column: 1 / -1; }
}

@media (max-width: 680px) {
	.nav-toggle { display: flex; }
	.site-nav {
		position: fixed; inset: 72px 0 auto 0;
		flex-direction: column; align-items: stretch; gap: 0;
		background: var(--white); border-bottom: 1px solid var(--haze);
		padding: 1rem 1.5rem 1.5rem; box-shadow: var(--shadow-md);
		transform: translateY(-120%); transition: transform .3s var(--ease);
	}
	.site-nav.is-open { transform: translateY(0); }
	.site-nav ul { flex-direction: column; align-items: stretch; gap: 0; width: 100%; }
	.site-nav ul li { border-bottom: 1px solid var(--haze); }
	.site-nav ul a { display: block; padding: .9rem 0; }
	.site-nav ul a::after { display: none; }
	.ibosim-btn--nav { margin-top: 1rem; justify-content: center; }
	.services__grid { grid-template-columns: 1fr; }
	.trust-bar__inner { grid-template-columns: 1fr 1fr; gap: .75rem 1rem; }
	.trust-bar__item { justify-content: flex-start; font-size: .9rem; }
	.site-footer__grid { grid-template-columns: 1fr; }
}

/* --------------------------------------------------------------------------
   Reduced motion
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
	*, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
	.hero__pin::after { display: none; }
}