:root {
	/* =========================================================
       KrystalDev — Design Tokens
       ========================================================= */

	/* ---------------------------------------------------------
       Backgrounds
       --------------------------------------------------------- */

	--krystal-bg: #0d1117;
	--krystal-surface: #1a2230;
	--krystal-surface-alt: #243044;

	/* ---------------------------------------------------------
       Borders
       --------------------------------------------------------- */

	--krystal-border: #30363d;
	--krystal-border-strong: #475569;

	/* ---------------------------------------------------------
       Typography
       --------------------------------------------------------- */

	--krystal-text: #ffffff;
	--krystal-text-soft: #e5e7eb;
	--krystal-muted: #94a3b8;

	--krystal-text-on-primary: #ffffff;
	--krystal-text-on-accent: #0d1117;

	/* ---------------------------------------------------------
       Primary — Engineering / Actions
       --------------------------------------------------------- */

	--krystal-primary: #2563eb;
	--krystal-primary-hover: #1d4ed8;
	--krystal-primary-soft: rgba(37, 99, 235, 0.12);

	/* ---------------------------------------------------------
       Cyan — Technology / Infrastructure
       --------------------------------------------------------- */

	--krystal-cyan: #06b6d4;
	--krystal-cyan-soft: rgba(6, 182, 212, 0.12);

	/* ---------------------------------------------------------
       Accent — Success / Integration / Working
       --------------------------------------------------------- */

	--krystal-accent: #22c55e;
	--krystal-accent-hover: #16a34a;
	--krystal-accent-soft: rgba(34, 197, 94, 0.12);

	/* ---------------------------------------------------------
       Footer
       --------------------------------------------------------- */

	--krystal-footer: #080b10;
	--krystal-footer-text: rgba(255, 255, 255, 0.8);
	--krystal-footer-muted: rgba(255, 255, 255, 0.55);

	/* ---------------------------------------------------------
       Effects
       --------------------------------------------------------- */

	--krystal-shadow: rgba(0, 0, 0, 0.20);
	--krystal-primary-shadow: rgba(37, 99, 235, 0.25);
	--krystal-primary-shadow-hover: rgba(37, 99, 235, 0.35);

	/* ---------------------------------------------------------
       Typography / Layout
       --------------------------------------------------------- */

	--krystal-font-family: "Segoe UI", Arial, sans-serif;
}


/* =============================================================
   Base
   ============================================================= */

body {
	font-family: var(--krystal-font-family);
	background: var(--krystal-bg);
	color: var(--krystal-text-soft);
}

img {
	max-width: 100%;
}

.site-body {
	min-height: 100vh;
}


/* =============================================================
   Navigation
   ============================================================= */

.navbar {
	background: var(--krystal-bg);
	border-bottom: 1px solid var(--krystal-border);
	box-shadow: 0 1px 0 var(--krystal-shadow);
	backdrop-filter: blur(10px);
}

.navbar-brand {
	color: var(--krystal-text-on-accent) !important;
	letter-spacing: -0.04em;
	font-size: clamp(1.35rem, 2vw, 1.8rem);
	display: inline-flex;
	align-items: center;
	padding-top: 0.25rem;
	padding-bottom: 0.25rem;
}

.brand-logo {
	height: 44px;
	width: auto;
	max-width: 180px;
	display: block;
}

.nav-link {
	color: var(--krystal-muted) !important;
	font-weight: 500;
	transition: color 0.2s ease;
}

.nav-link:hover {
	color: var(--krystal-text) !important;
}

.nav-link.active {
	color: var(--krystal-primary) !important;
}


/* =============================================================
   Buttons
   ============================================================= */

.btn-primary {
	background: var(--krystal-primary);
	border-color: var(--krystal-primary);
	color: var(--krystal-text-on-primary);
	box-shadow: 0 4px 14px var(--krystal-primary-shadow);
}

.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active {
	background: var(--krystal-primary-hover);
	border-color: var(--krystal-primary-hover);
	color: var(--krystal-text-on-primary);
	box-shadow: 0 6px 18px var(--krystal-primary-shadow-hover);
}

.btn-outline-secondary {
	border-color: var(--krystal-border);
	color: var(--krystal-text-soft);
}

.btn-outline-secondary:hover,
.btn-outline-secondary:focus,
.btn-outline-secondary:active {
	background: var(--krystal-surface);
	border-color: var(--krystal-border-strong);
	color: var(--krystal-text);
}

.btn-outline-primary {
	border-color: var(--krystal-primary);
	color: var(--krystal-primary);
}

.btn-outline-primary:hover,
.btn-outline-primary:focus,
.btn-outline-primary:active {
	background: var(--krystal-primary);
	border-color: var(--krystal-primary);
	color: var(--krystal-text-on-primary);
}


/* =============================================================
   Hero
   ============================================================= */

.hero-section {
	padding-top: 5rem;
	padding-bottom: 5rem;

	background:
		radial-gradient(circle at 80% 20%,
			var(--krystal-primary-soft),
			transparent 35%),
		radial-gradient(circle at 20% 80%,
			var(--krystal-cyan-soft),
			transparent 30%),
		var(--krystal-bg);
}

.hero-card,
.info-card,
.service-card,
.step-card,
.contact-card,
.cta-panel {
	background: var(--krystal-surface);
	border: 1px solid var(--krystal-border);
	border-radius: 1rem;
	box-shadow: 0 8px 30px var(--krystal-shadow);
}

.hero-card {
	border-top: 4px solid var(--krystal-primary);
}


/* =============================================================
   Sections
   ============================================================= */

.section-space {
	padding-top: 5rem;
	padding-bottom: 5rem;
}

.section-surface {
	background: var(--krystal-surface-alt);
}

.section-header {
	margin-bottom: 2.5rem;
}


/* =============================================================
   Typography
   ============================================================= */

.eyebrow {
	font-size: 0.75rem;
	letter-spacing: 0.18em;
	font-weight: 700;
	color: var(--krystal-cyan);
	margin-bottom: 1rem;
	text-transform: uppercase;
}

h1,
h2,
h3 {
	color: var(--krystal-text);
	letter-spacing: -0.04em;
	margin-bottom: 1rem;
}

h1 {
	font-size: clamp(2.5rem, 5vw, 4.2rem);
	line-height: 1.08;
}

h2 {
	font-size: clamp(2rem, 3vw, 2.9rem);
	line-height: 1.12;
}

p {
	color: var(--krystal-text-soft);
}

.text-muted {
	color: var(--krystal-muted) !important;
}


/* =============================================================
   Feature List
   ============================================================= */

.feature-list {
	list-style: none;
	padding: 0;
	margin: 0;
}

.feature-list li {
	position: relative;
	padding-left: 1.2rem;
	margin-bottom: 0.8rem;
	color: var(--krystal-text-soft);
}

.feature-list li::before {
	content: "•";
	position: absolute;
	left: 0;
	color: var(--krystal-accent);
	font-weight: 700;
}


/* =============================================================
   Cards
   ============================================================= */

.small-label {
	margin-bottom: 1rem;
	font-size: 0.75rem;
	letter-spacing: 0.16em;
	text-transform: uppercase;
	color: var(--krystal-muted);
}

.info-card,
.service-card,
.step-card,
.contact-card {
	padding: 1.5rem;
	height: 100%;
}

.service-card h3,
.info-card h3,
.step-card h3 {
	font-size: 1.3rem;
}

.lead {
	font-size: 1.1rem;
	line-height: 1.7;
	color: var(--krystal-muted);
}

.step-number {
	display: inline-block;
	margin-bottom: 1rem;
	font-size: 0.75rem;
	font-weight: 700;
	letter-spacing: 0.12em;
	color: var(--krystal-primary);
}


/* =============================================================
   Page Hero
   ============================================================= */

.page-hero {
	padding-top: 3.5rem;
	padding-bottom: 2rem;

	background:
		radial-gradient(circle at 70% 20%,
			var(--krystal-primary-soft),
			transparent 35%),
		var(--krystal-bg);
}


/* =============================================================
   Contact
   ============================================================= */

.contact-card {
	padding: 2rem;
}

.contact-points {
	margin-top: 1.5rem;
}

.contact-point-card {
	padding: 1.25rem 1.25rem 1.1rem;
	background: linear-gradient(180deg, rgba(37, 99, 235, 0.08), rgba(26, 34, 48, 0.92));
	border: 1px solid var(--krystal-border);
	border-radius: 1rem;
	box-shadow: 0 8px 24px var(--krystal-shadow);
}

.contact-point-card h3 {
	font-size: 1.15rem;
	margin-bottom: 0.65rem;
}

.contact-point-card p {
	margin-bottom: 0;
}

.contact-point-label {
	font-size: 0.75rem;
	font-weight: 700;
	letter-spacing: 0.14em;
	text-transform: uppercase;
	color: var(--krystal-cyan);
	margin-bottom: 0.85rem !important;
}

.form-control {
	border-radius: 0.75rem;
	border-color: var(--krystal-border);
	background: var(--krystal-bg);
	color: var(--krystal-text);
	padding: 0.8rem 1rem;
}

.form-control::placeholder {
	color: var(--krystal-muted);
}

.form-control:focus {
	background: var(--krystal-bg);
	color: var(--krystal-text);
	border-color: var(--krystal-primary);
	box-shadow: 0 0 0 0.2rem var(--krystal-primary-soft);
}


/* =============================================================
   CTA
   ============================================================= */

.cta-panel {
	padding: 3rem 2rem;

	background:
		radial-gradient(circle at 90% 20%,
			var(--krystal-primary-soft),
			transparent 35%),
		var(--krystal-surface);
}


/* =============================================================
   Footer
   ============================================================= */

.site-footer {
	background: var(--krystal-footer);
	color: var(--krystal-footer-text);
	border-top: 1px solid var(--krystal-border);
}

.site-footer .text-muted {
	color: var(--krystal-footer-muted) !important;
}


/* =============================================================
   Responsive
   ============================================================= */

@media (max-width: 991.98px) {
	.hero-section {
		padding-top: 3rem;
		padding-bottom: 3rem;
	}

	.brand-logo {
		height: 38px;
	}

	.section-space {
		padding-top: 4rem;
		padding-bottom: 4rem;
	}
}