/* ============================================================
   NEXUS IT SERVICES — MAIN STYLESHEET
   Organized: Tokens → Reset → Layout → Nav → Sections → Components → Responsive
   ============================================================ */

/* === TOKENS === */
:root {
	/* Colors */
	--blue:        #0F4C81;
	--blue-light:  #1a6ab5;
	--blue-glow:   rgba(15, 76, 129, 0.45);
	--black:       #080c10;
	--surface:     #0d1117;
	--surface-2:   #121820;
	--surface-3:   #1a2432;
	--rule:        rgba(15, 76, 129, 0.3);
	--text:        #cdd6e0;
	--text-dim:    #eee;
	--white:       #f0f5fa;

	/* Typography */
	--heading:     'Bebas Neue', sans-serif;
	--body:        'DM Sans', sans-serif;

	/* Spacing */
	--space-xs:    0.5rem;
	--space-sm:    1rem;
	--space-md:    2rem;
	--space-lg:    3rem;
	--space-xl:    5rem;

	/* Misc */
	--radius:      4px;
	--transition:  0.25s ease;
	--max-width:   1140px;
}

/* === RESET === */

*, *::before, *::after {
	box-sizing: border-box;
	margin: 0;
	padding: 0;
}

html {
	scroll-behavior: smooth;
	scroll-padding-top: var(--nav-height);
}

body {
	background: var(--black);
	color: var(--text);
	font-family: var(--body);
	font-size: 1rem;
	line-height: 1.7;
	-webkit-font-smoothing: antialiased;
}

img, svg {
	display: block;
	max-width: 100%;
}

a {
	color: inherit;
	text-decoration: none;
}

/* === LAYOUT === */

.container {
	max-width: var(--max-width);
	margin: 0 auto;
	padding: 0 var(--space-md);
}

/* === TYPOGRAPHY === */

h1, h2, h3 {
	font-family: var(--heading);
	line-height: 1;
	letter-spacing: 0.02em;
	color: var(--white);
}

h1 { font-size: clamp(2.6rem, 7vw, 5.2rem); }
h2 { font-size: clamp(2rem, 5vw, 3.2rem); }
h3 { font-size: 1.4rem; }

p {
	font-size: 1rem;
	line-height: 1.8;
	color: var(--text-dim);
}

h2 + p {
	max-width: 100%;
	margin-top: var(--space-sm);
}

.section-title span { color: var(--blue-light); }

/* === BUTTONS === */

.btn {
	display: inline-block;
	font-family: var(--heading);
	font-size: 1rem;
	letter-spacing: 0.15em;
	padding: 0.4rem var(--space-md);
	border-radius: var(--radius);
	transition: var(--transition);
	cursor: pointer;
	border: none;
	text-shadow: 1px 1px 0 #000;
}

.btn-primary {
	background: var(--blue);
	color: var(--white);
}

.btn-primary:hover {
	background: var(--blue-light);
	box-shadow: 0 0 28px var(--blue-glow);
	transform: translateY(-1px);
}

.btn-outline {
	background: transparent;
	color: var(--blue-light);
	border: 1px solid var(--blue);
}

.btn-outline:hover {
	background: var(--blue);
	color: var(--white);
	box-shadow: 0 0 20px var(--blue-glow);
}

/* === DIVIDER === */

.divider {
	width: 100%;
	height: 1px;
	background: linear-gradient(90deg, transparent, var(--rule), transparent);
}

/* === SCROLL REVEAL === */

.reveal {
	opacity: 0;
	transform: translateY(24px);
	transition: opacity 0.55s ease, transform 0.55s ease;
}

.reveal.visible {
	opacity: 1;
	transform: none;
}

/* ============================================================
   NAV
   ============================================================ */

nav {
	position: sticky;
	top: 0;
	z-index: 100;
	background: rgba(0, 0, 0, 0.5);
	backdrop-filter: blur(15px);
	-webkit-backdrop-filter: blur(15px);
	border-bottom: 1px solid var(--rule);
	font-family: var(--heading);
}

.nav-inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: var(--space-sm) var(--space-md);
	max-width: var(--max-width);
	margin: 0 auto;
}

.nav-logo {
	display: flex;
	align-items: center;
}

.nav-logo img {
	height: 64px;
	width: auto;
	display: block;
	max-width: none;
}

.nav-links {
	display: flex;
	gap: var(--space-md);
	list-style: none;
}

.nav-links a {
	font-size: 1.1rem;
	letter-spacing: 0.1em;
	text-transform: uppercase;
	color: var(--text-dim);
	transition: color var(--transition);
}

.nav-links a:hover { color: var(--white); }

.nav-cta { display: block; }

/* Hamburger */

.hamburger {
	display: none;
	flex-direction: column;
	gap: 5px;
	cursor: pointer;
	background: none;
	border: none;
	padding: 4px;
}

.hamburger span {
	display: block;
	width: 24px;
	height: 2px;
	background: var(--white);
	transition: var(--transition);
}

/* Mobile menu */

.mobile-menu {
	font-family: var(--heading);
	display: none;
	position: fixed;
	top: var(--nav-height);
	left: 0;
	right: 0;
	z-index: 99;
	background: var(--surface);
	border-bottom: 1px solid var(--rule);
	flex-direction: column;
	gap: var(--space-sm);
}

.mobile-menu.open { display: flex; }

.mobile-menu a {
	font-size: 1.1rem;
	letter-spacing: 0.1em;
	text-transform: uppercase;
	color: var(--text);
	padding: var(--space-sm) var(--space-md);
	border-bottom: 1px solid var(--rule);
}

.mobile-menu a:last-child { border-bottom: none; }

/* ============================================================
   HERO
   ============================================================ */

#hero {
	min-height: 100vh;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	text-align: center;
	padding: var(--space-md);
	position: relative;
	overflow: hidden;
}

#hero::before {
	content: '';
	position: absolute;
	inset: 0;
	background-image:
		linear-gradient(rgba(15, 76, 129, 0.06) 1px, transparent 1px),
		linear-gradient(90deg, rgba(15, 76, 129, 0.06) 1px, transparent 1px);
	background-size: 60px 60px;
	pointer-events: none;
}

#hero::after {
	content: '';
	position: absolute;
	inset: 0;
	background: radial-gradient(ellipse 80% 70% at 50% 50%, transparent 40%, var(--black) 100%);
	pointer-events: none;
}

.hero-glow {
	position: absolute;
	width: 700px;
	height: 700px;
	border-radius: 50%;
	background: radial-gradient(circle, rgba(15, 76, 129, 0.18) 0%, transparent 70%);
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	pointer-events: none;
}

.hero-content {
	position: relative;
	z-index: 1;
}

.hero-tagline {
	margin-bottom: var(--space-xs);
}

.hero-tagline .accent { color: var(--blue-light); }

.hero-content p {
	max-width: 500px;
	margin: 0 auto var(--space-md);
}

.hero-badges {
	display: flex;
	justify-content: center;
	gap: var(--space-sm);
	flex-wrap: wrap;
	margin-top: var(--space-xl);
}

.hero-badge {
	font-size: 0.8rem;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: var(--text-dim);
	border: 1px solid var(--rule);
	padding: var(--space-sm);
	border-radius: var(--radius);
	background: rgba(0, 0, 0, 0.25);
}

/* ============================================================
   SERVICES
   ============================================================ */

#services {
	padding: var(--space-lg) 0;
	background: var(--surface);
}

.services-header {
	margin-bottom: var(--space-lg);
}

.services-header p {
	margin-top: var(--space-sm);
}

.services-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 1.5px;
	background: var(--rule);
	border: 1px solid var(--rule);
}

.service-card {
	background: var(--surface);
	padding: var(--space-md);
	position: relative;
	overflow: hidden;
	transition: background var(--transition);
}

.service-card::before {
	content: '';
	position: absolute;
	left: 0;
	top: 0;
	bottom: 0;
	width: 3px;
	background: var(--blue);
	transform: scaleY(0);
	transform-origin: bottom;
	transition: transform 0.3s ease;
}

.service-card:hover { background: var(--surface-3); }
.service-card:hover::before { transform: scaleY(1); }

.service-number {
	font-family: var(--heading);
	font-size: 2.5rem;
	color: rgba(15, 76, 129, 0.5);
	line-height: 1;
	margin-bottom: var(--space-xs);
	transition: color var(--transition);
}

.service-card:hover .service-number { color: rgba(15, 76, 129, 0.75); }

.service-name {
	font-family: var(--heading);
	font-size: 1.2rem;
	letter-spacing: 0.04em;
	color: var(--white);
	margin-bottom: var(--space-xs);
}

.service-card p {
	font-size: 0.9rem;
	line-height: 1.6;
}

/* ============================================================
   WHY NEXUS
   ============================================================ */

#why {
	padding: var(--space-lg) 0;
	background: var(--black);
}

#why > .container > .reveal > p {
	margin-top: var(--space-sm);
}

.why-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: var(--space-md);
	margin-top: var(--space-lg);
}

.why-card {
	padding: var(--space-md);
	border: 1px solid var(--rule);
	border-radius: var(--radius);
	background: var(--surface);
	transition: border-color var(--transition), box-shadow var(--transition);
}

.why-card:hover {
	border-color: var(--blue);
	box-shadow: 0 0 30px rgba(15, 76, 129, 0.12);
}

.why-icon {
	width: 48px;
	height: 48px;
	border-radius: 6px;
	background: rgba(15, 76, 129, 0.15);
	border: 1px solid rgba(15, 76, 129, 0.3);
	display: flex;
	align-items: center;
	justify-content: center;
	margin-bottom: var(--space-md);
}

.why-icon svg {
	width: 22px;
	height: 22px;
	stroke: var(--blue-light);
}

.why-title {
	font-size: 1.3rem;
	letter-spacing: 0.04em;
	margin-bottom: var(--space-xs);
}

.why-card p {
	font-size: 0.9rem;
	line-height: 1.7;
}

/* ============================================================
   ABOUT
   ============================================================ */

#about {
	padding: var(--space-lg) 0;
	background: var(--surface);
}

.about-content .section-title {
	margin-bottom: var(--space-md);
}

.about-content p {
	margin-bottom: var(--space-sm);
	color: var(--text);
	line-height: 1.9;
}

.about-stats {
	display: flex;
	justify-content: center;
	gap: var(--space-xl);
	flex-wrap: wrap;
	margin-top: var(--space-md);
	padding-top: var(--space-md);
	border-top: 1px solid var(--rule);
}

.about-stats div { text-align: center; }

.stat-number {
	font-family: var(--heading);
	font-size: 2rem;
	color: var(--blue-light);
	line-height: 1;
}

.stat-label {
	font-size: 0.8rem;
	letter-spacing: 0.1em;
	text-transform: uppercase;
	color: var(--text-dim);
	margin-top: 4px;
}

/* ============================================================
   CONTACT
   ============================================================ */

#contact {
	padding: var(--space-lg) 0;
	background: var(--black);
}

.contact-inner {
	display: grid;
	grid-template-columns: 1fr 1.4fr;
	gap: var(--space-xl);
	align-items: start;
}

.contact-info { padding-top: var(--space-xs); }

.contact-info .section-title { margin-bottom: var(--space-md); }

.contact-info p {
	margin-bottom: var(--space-md);
	line-height: 1.8;
}

.contact-items {
	display: flex;
	flex-direction: column;
	gap: var(--space-sm);
}

.contact-item {
	display: flex;
	align-items: center;
	gap: var(--space-sm);
	padding: var(--space-sm);
	border: 1px solid var(--rule);
	border-radius: var(--radius);
	background: var(--surface);
	transition: border-color var(--transition);
}

.contact-item:hover { border-color: var(--blue); }

.contact-item-icon {
	width: 38px;
	height: 38px;
	background: rgba(15, 76, 129, 0.15);
	border-radius: 4px;
	display: flex;
	align-items: center;
	justify-content: center;
	flex-shrink: 0;
}

.contact-item-icon svg {
	width: 18px;
	height: 18px;
	stroke: var(--blue-light);
}

.contact-item-label {
	font-size: 0.75rem;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: var(--text-dim);
}

.contact-item-value {
	font-size: 1rem;
	color: var(--white);
	font-weight: 500;
}

.contact-item-value a { transition: color var(--transition); }
.contact-item-value a:hover { color: var(--blue-light); }

/* Contact form area */

.contact-form-area {
	background: var(--surface);
	border: 1px solid var(--rule);
	border-radius: var(--radius);
	padding: var(--space-md);
}

.form-title {
	letter-spacing: 0.04em;
	margin-bottom: var(--space-xs);
}

.contact-form-area > p {
	margin-bottom: var(--space-md);
	font-size: 0.9rem;
}

.contact-form {
	display: flex;
	flex-direction: column;
	gap: var(--space-sm);
}

.form-row {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: var(--space-sm);
}

.form-group {
	display: flex;
	flex-direction: column;
	gap: 0.4rem;
}

.form-group label {
	font-family: var(--heading);
	font-size: 1rem;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: var(--text-dim);
}

.form-group input,
.form-group textarea {
	background: var(--surface-3);
	border: 1px solid var(--rule);
	border-radius: var(--radius);
	color: var(--white);
	font-family: var(--body);
	font-size: 1rem;
	padding: 0.65rem 0.9rem;
	transition: border-color var(--transition);
	outline: none;
	resize: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
	color: #4a5568;
}

.form-group input:focus,
.form-group textarea:focus {
	border-color: var(--blue);
}

.form-feedback {
	font-size: 0.9rem;
	padding: 0.75rem var(--space-sm);
	border-radius: var(--radius);
	display: none;
}

.form-feedback.success {
	display: block;
	background: rgba(34, 197, 94, 0.1);
	border: 1px solid rgba(34, 197, 94, 0.3);
	color: #22c55e;
}

.form-feedback.error {
	display: block;
	background: rgba(255, 80, 80, 0.1);
	border: 1px solid rgba(255, 80, 80, 0.3);
	color: #ff6b6b;
}

/* ============================================================
   FOOTER
   ============================================================ */

footer {
	font-family: var(--heading);
	background: var(--surface);
	border-top: 1px solid var(--rule);
	padding: var(--space-md) 0;
}

.footer-inner {
	display: flex;
	align-items: flex-start;
	justify-content: space-between;
	flex-wrap: wrap;
	gap: var(--space-sm);
	vertical-align: top;
}

.footer-logo {
	font-size: 1rem;
	letter-spacing: 0.08em;
	color: var(--text-dim);
}

.footer-copy {
	font-size: 1rem;
	color: var(--text-dim);
	text-align: right;
}

.footer-links {
	display: flex;
	gap: var(--space-md);
	list-style: none;
}

.footer-links a {
	font-size: 1rem;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--text-dim);
	transition: color var(--transition);
}

.footer-links a:hover { color: var(--blue-light); }

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 900px) {
	.nav-links, .nav-cta { display: none; }
	.nav-logo img { height: 48px; }
	.hamburger { display: flex; }

	.services-grid { grid-template-columns: 1fr; }
	.why-grid { grid-template-columns: 1fr; }
	.contact-inner { grid-template-columns: 1fr; gap: var(--space-lg); }
	.form-row { grid-template-columns: 1fr; }

	.footer-inner { flex-direction: column; text-align: center; }
	.footer-links { justify-content: center; }

	.about-stats { gap: var(--space-md); }
	
	.hero-badge { width: 100%; }
}