/* ==========================================================================
   V-Intellect One-Page — main.css
   ========================================================================== */

:root {
	--vintellect-accent: #2563eb;
	--vintellect-accent-hover: #1d4ed8;
	--vintellect-bg: #0f172a;
	--vintellect-bg-alt: #1e293b;
	--vintellect-surface: #334155;
	--vintellect-text: #f8fafc;
	--vintellect-text-muted: #94a3b8;
	--vintellect-border: #475569;
	--vintellect-radius: 8px;
	--vintellect-radius-lg: 12px;
	--vintellect-font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
	--vintellect-font-mono: ui-monospace, monospace;
	--vintellect-header-h: 72px;
	--vintellect-max-w: 1200px;
	--vintellect-section-pad: clamp(3rem, 6vw, 5rem);
	--vintellect-transition: 0.25s ease;
}

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

body.vintellect-body {
	margin: 0;
	font-family: var(--vintellect-font-sans);
	font-size: 1rem;
	line-height: 1.6;
	color: var(--vintellect-text);
	background: var(--vintellect-bg);
	-webkit-font-smoothing: antialiased;
}

#page {
	min-height: 100vh;
}

a {
	color: var(--vintellect-accent);
	text-decoration: none;
	transition: color var(--vintellect-transition);
}

a:hover {
	color: var(--vintellect-accent-hover);
}

img {
	max-width: 100%;
	height: auto;
	display: block;
}

/* Utility
   -------------------------------------------------------------------------- */
.section-inner {
	max-width: var(--vintellect-max-w);
	margin: 0 auto;
	padding-left: 1.5rem;
	padding-right: 1.5rem;
}

.section-title {
	font-size: clamp(1.75rem, 4vw, 2.25rem);
	font-weight: 700;
	letter-spacing: -0.02em;
	margin: 0 0 1.5rem;
	text-align: center;
}

.btn-primary {
	display: inline-block;
	padding: 0.875rem 1.75rem;
	font-size: 1rem;
	font-weight: 600;
	color: #fff;
	background: var(--vintellect-accent);
	border: none;
	border-radius: var(--vintellect-radius);
	cursor: pointer;
	transition: background var(--vintellect-transition), transform 0.15s ease;
}

.btn-primary:hover {
	background: var(--vintellect-accent-hover);
	transform: translateY(-1px);
}

.btn-primary:focus-visible {
	outline: 2px solid var(--vintellect-accent);
	outline-offset: 2px;
}

/* Header
   -------------------------------------------------------------------------- */
.site-header {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	z-index: 100;
	height: var(--vintellect-header-h);
	background: rgba(15, 23, 42, 0.85);
	backdrop-filter: blur(12px);
	border-bottom: 1px solid rgba(71, 85, 105, 0.3);
	transition: background var(--vintellect-transition);
}

.header-inner {
	max-width: var(--vintellect-max-w);
	margin: 0 auto;
	padding: 0 1.5rem;
	height: 100%;
	display: flex;
	align-items: center;
	justify-content: space-between;
}

.site-logo img {
	height: 36px;
	width: auto;
}

.site-nav .nav-list {
	display: flex;
	list-style: none;
	margin: 0;
	padding: 0;
	gap: 2rem;
}

.nav-link {
	color: var(--vintellect-text-muted);
	font-weight: 500;
}

.nav-link:hover {
	color: var(--vintellect-text);
}

.nav-toggle {
	display: none;
	width: 40px;
	height: 40px;
	padding: 0;
	background: none;
	border: none;
	cursor: pointer;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	gap: 5px;
}

.nav-toggle-bar {
	width: 22px;
	height: 2px;
	background: var(--vintellect-text);
	border-radius: 1px;
	transition: transform var(--vintellect-transition), opacity var(--vintellect-transition);
}

.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
   -------------------------------------------------------------------------- */
.hero-section {
	position: relative;
	min-height: 100vh;
	display: flex;
	align-items: center;
	justify-content: center;
	background-color: var(--vintellect-bg);
	background-size: cover;
	background-position: center;
	overflow: hidden;
}

.hero-section::before {
	content: "";
	position: absolute;
	inset: 0;
	background: linear-gradient(135deg, rgba(15, 23, 42, 0.92) 0%, rgba(30, 41, 59, 0.88) 100%);
	z-index: 0;
}

.hero-overlay {
	position: absolute;
	inset: 0;
	background: radial-gradient(ellipse 80% 50% at 50% 0%, rgba(37, 99, 235, 0.15) 0%, transparent 60%);
	z-index: 1;
	pointer-events: none;
}

.hero-content {
	position: relative;
	z-index: 2;
	text-align: center;
	padding: var(--vintellect-section-pad) 1.5rem;
	max-width: 720px;
}

.hero-title {
	font-size: clamp(2.25rem, 5vw, 3.5rem);
	font-weight: 800;
	letter-spacing: -0.03em;
	line-height: 1.15;
	margin: 0 0 1rem;
	opacity: 0;
	animation: vintellect-fade-up 0.8s ease forwards;
}

.hero-subtitle {
	font-size: clamp(1rem, 2vw, 1.2rem);
	color: var(--vintellect-text-muted);
	margin: 0 0 2rem;
	max-width: 540px;
	margin-left: auto;
	margin-right: auto;
	opacity: 0;
	animation: vintellect-fade-up 0.8s ease 0.15s forwards;
}

.hero-cta {
	opacity: 0;
	animation: vintellect-fade-up 0.8s ease 0.3s forwards;
}

.hero-scroll-hint {
	position: absolute;
	bottom: 2rem;
	left: 50%;
	transform: translateX(-50%);
	z-index: 2;
	opacity: 0.6;
	animation: vintellect-bounce 2s ease-in-out infinite;
}

.hero-scroll-text {
	font-size: 0.75rem;
	text-transform: uppercase;
	letter-spacing: 0.15em;
	color: var(--vintellect-text-muted);
}

@keyframes vintellect-fade-up {
	from {
		opacity: 0;
		transform: translateY(20px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

@keyframes vintellect-bounce {
	0%, 100% { transform: translateX(-50%) translateY(0); }
	50% { transform: translateX(-50%) translateY(6px); }
}

/* About
   -------------------------------------------------------------------------- */
.about-section {
	padding: var(--vintellect-section-pad) 0;
	background: var(--vintellect-bg-alt);
}

.about-content {
	max-width: 640px;
	margin: 0 auto;
}

.about-intro {
	font-size: 1.1rem;
	color: var(--vintellect-text-muted);
	margin: 0 0 2rem;
	line-height: 1.7;
}

.about-mission {
	padding: 1.5rem;
	background: rgba(51, 65, 85, 0.4);
	border-radius: var(--vintellect-radius-lg);
	border: 1px solid var(--vintellect-border);
}

.about-mission-title {
	font-size: 1.125rem;
	font-weight: 600;
	margin: 0 0 0.5rem;
}

.about-mission p {
	margin: 0;
	color: var(--vintellect-text-muted);
}

/* Services
   -------------------------------------------------------------------------- */
.services-section {
	padding: var(--vintellect-section-pad) 0;
}

.services-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
	gap: 1.5rem;
	list-style: none;
	margin: 0;
	padding: 0;
}

.service-card {
	background: var(--vintellect-bg-alt);
	border: 1px solid var(--vintellect-border);
	border-radius: var(--vintellect-radius-lg);
	padding: 1.75rem;
	transition: border-color var(--vintellect-transition), transform 0.2s ease;
}

.service-card:hover {
	border-color: var(--vintellect-accent);
	transform: translateY(-2px);
}

.service-icon {
	display: block;
	width: 48px;
	height: 48px;
	margin-bottom: 1rem;
	border-radius: var(--vintellect-radius);
	background: var(--vintellect-accent);
	opacity: 0.9;
}

.service-icon--drafting { background: linear-gradient(135deg, var(--vintellect-accent), #3b82f6); }
.service-icon--design { background: linear-gradient(135deg, #06b6d4, #0891b2); }
.service-icon--cnc { background: linear-gradient(135deg, #8b5cf6, #7c3aed); }
.service-icon--prototype { background: linear-gradient(135deg, #f59e0b, #d97706); }
.service-icon--molding { background: linear-gradient(135deg, #ec4899, #db2777); }
.service-icon--mold { background: linear-gradient(135deg, #10b981, #059669); }
.service-icon--drill { background: linear-gradient(135deg, #6366f1, #4f46e5); }
.service-icon--automation { background: linear-gradient(135deg, #14b8a6, #0d9488); }

.service-title {
	font-size: 1.1rem;
	font-weight: 600;
	margin: 0;
}

/* Contact
   -------------------------------------------------------------------------- */
.contact-section {
	padding: var(--vintellect-section-pad) 0;
	background: var(--vintellect-bg-alt);
}

.contact-intro {
	text-align: center;
	color: var(--vintellect-text-muted);
	margin: 0 0 2rem;
}

.contact-form {
	max-width: 480px;
	margin: 0 auto;
}

.form-row {
	margin-bottom: 1.25rem;
}

.form-row label {
	display: block;
	font-weight: 500;
	margin-bottom: 0.35rem;
}

.form-row .required {
	color: #f87171;
}

.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form input[type="tel"],
.contact-form textarea {
	width: 100%;
	padding: 0.75rem 1rem;
	font-size: 1rem;
	font-family: inherit;
	color: var(--vintellect-text);
	background: var(--vintellect-bg);
	border: 1px solid var(--vintellect-border);
	border-radius: var(--vintellect-radius);
	transition: border-color var(--vintellect-transition);
	box-sizing: border-box;
}

.contact-form input:focus,
.contact-form textarea:focus {
	outline: none;
	border-color: var(--vintellect-accent);
}

.contact-form textarea {
	resize: vertical;
	min-height: 120px;
}

.form-submit {
	margin-top: 1.5rem;
	margin-bottom: 0;
}

.form-message {
	padding: 1rem;
	margin-bottom: 1.5rem;
	border-radius: var(--vintellect-radius);
	font-weight: 500;
}

.form-message.success {
	background: rgba(16, 185, 129, 0.2);
	border: 1px solid #10b981;
	color: #34d399;
}

.form-message.error {
	background: rgba(248, 113, 113, 0.15);
	border: 1px solid #f87171;
	color: #fca5a5;
}

.form-message[hidden] {
	display: none !important;
}

/* Footer
   -------------------------------------------------------------------------- */
.site-footer {
	padding: 2.5rem 0;
	border-top: 1px solid var(--vintellect-border);
}

.footer-inner {
	max-width: var(--vintellect-max-w);
	margin: 0 auto;
	padding: 0 1.5rem;
	text-align: center;
}

.footer-logo-text {
	font-weight: 700;
	font-size: 1.125rem;
}

.footer-tagline {
	color: var(--vintellect-text-muted);
	font-size: 0.9rem;
	margin: 0.25rem 0 1rem;
}

.footer-nav ul {
	list-style: none;
	margin: 0 0 1rem;
	padding: 0;
	display: flex;
	justify-content: center;
	gap: 1.5rem;
	flex-wrap: wrap;
}

.footer-nav a {
	color: var(--vintellect-text-muted);
}

.footer-nav a:hover {
	color: var(--vintellect-text);
}

.footer-bottom .copyright {
	font-size: 0.875rem;
	color: var(--vintellect-text-muted);
	margin: 0;
}

/* Main offset for fixed header
   -------------------------------------------------------------------------- */
.site-main {
	padding-top: 0;
}

/* Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
	.site-nav {
		position: fixed;
		top: var(--vintellect-header-h);
		left: 0;
		right: 0;
		background: var(--vintellect-bg);
		border-bottom: 1px solid var(--vintellect-border);
		padding: 1rem;
		transform: translateY(-100%);
		opacity: 0;
		visibility: hidden;
		transition: transform var(--vintellect-transition), opacity var(--vintellect-transition), visibility var(--vintellect-transition);
	}

	.site-nav.is-open {
		transform: translateY(0);
		opacity: 1;
		visibility: visible;
	}

	.site-nav .nav-list {
		flex-direction: column;
		gap: 0.5rem;
	}

	.nav-toggle {
		display: flex;
	}

	.services-grid {
		grid-template-columns: 1fr;
	}
}

@media (max-width: 480px) {
	.hero-content {
		padding-top: calc(var(--vintellect-header-h) + 2rem);
	}

	.contact-form {
		padding: 0;
	}
}