/* =========================================================
   CHIPYARD — design tokens
   ========================================================= */
:root{
	--bg:            #0B0E14;
	--surface:       #131826;
	--surface-2:     #1A2133;
	--line:          #232C40;
	--copper:        #C97C3D;
	--copper-bright: #E2A159;
	--cyan:          #4FD8E0;
	--text:          #EDEFF4;
	--text-muted:    #8B93A7;
	--success-bg:    #16301F;
	--success-line:  #2E7D4F;
	--error-bg:      #341A1A;
	--error-line:    #A5433A;

	--font-display: 'Space Grotesk', 'Segoe UI', sans-serif;
	--font-body:    'Inter', 'Segoe UI', sans-serif;
	--font-mono:    'JetBrains Mono', 'Courier New', monospace;

	--radius-sm: 6px;
	--radius-md: 10px;
	--radius-lg: 18px;

	--wrap: 1180px;
}

/* =========================================================
   Reset
   ========================================================= */
*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
	margin:0;
	background: var(--bg);
	color: var(--text);
	font-family: var(--font-body);
	font-size: 16px;
	line-height: 1.6;
	-webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration: none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{ font-family: var(--font-display); font-weight:600; line-height:1.15; margin:0 0 .5em; color:var(--text); }
p{ margin:0 0 1em; color: var(--text-muted); }
button{ font-family: inherit; cursor:pointer; }

.screen-reader-text{
	position: absolute;
	width: 1px; height: 1px;
	padding: 0; margin: -1px;
	overflow: hidden;
	clip: rect(0,0,0,0);
	white-space: nowrap;
	border: 0;
}
.skip-link{
	top: -60px;
	left: 6px;
	position: fixed;
	z-index: 999;
	background: var(--copper);
	color: #0B0E14;
	padding: 10px 16px;
	border-radius: var(--radius-sm);
}
.skip-link:focus{ top: 6px; width:auto; height:auto; clip:auto; }

:focus-visible{ outline: 2px solid var(--cyan); outline-offset: 2px; }

@media (prefers-reduced-motion: reduce){
	*{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

.wrap{ max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.wrap-narrow{ max-width: 760px; }

.section{ padding: 88px 0; }
.section-title{ font-size: clamp(1.6rem, 1.2rem + 1.6vw, 2.4rem); margin-bottom: .4em; }
.section-lede{ max-width: 620px; font-size: 1.05rem; margin-bottom: 2.5em; }

.eyebrow{
	display:flex; align-items:center; gap:8px;
	font-family: var(--font-mono);
	font-size: .8rem;
	letter-spacing: .06em;
	text-transform: uppercase;
	color: var(--copper-bright);
	margin: 0 0 1em;
}
.eyebrow-mark{ color: var(--cyan); }

.text-copper{ color: var(--copper-bright); }

/* =========================================================
   Buttons
   ========================================================= */
.btn{
	display:inline-flex; align-items:center; justify-content:center;
	padding: 13px 24px;
	border-radius: var(--radius-sm);
	font-weight:600;
	font-size: .95rem;
	border: 1px solid transparent;
	transition: transform .15s ease, background .15s ease, border-color .15s ease;
	white-space: nowrap;
}
.btn:hover{ transform: translateY(-1px); }
.btn-lg{ padding: 16px 30px; font-size: 1rem; }
.btn-copper{ background: var(--copper); color:#12100c; }
.btn-copper:hover{ background: var(--copper-bright); }
.btn-outline{ border-color: var(--line); color: var(--text); }
.btn-outline:hover{ border-color: var(--copper); }
.btn-ghost-small{ padding: 10px 16px; font-size: .85rem; background: var(--surface-2); color: var(--text); border-radius: var(--radius-sm); }

/* =========================================================
   Header / Nav
   ========================================================= */
.site-header{
	position: sticky; top:0; left:0; right:0; z-index: 100;
	background: rgba(11,14,20,.9);
	backdrop-filter: blur(8px);
	border-bottom: 1px solid var(--line);
}
.site-header-inner{
	display:flex; align-items:center; justify-content:space-between;
	height: 72px;
}
.site-logo{ display:flex; align-items:center; gap:8px; font-family: var(--font-display); font-weight:600; font-size:1.2rem; color:var(--text); }
.logo-mark svg{ stroke: var(--copper-bright); fill:none; stroke-width:1.6; }
.logo-text em{ font-style:normal; color: var(--copper-bright); }

.main-nav .nav-menu{ display:flex; gap: 32px; }
.main-nav .nav-menu a{ font-size:.95rem; color: var(--text-muted); }
.main-nav .nav-menu a:hover{ color: var(--text); }

.header-actions{ display:flex; align-items:center; gap: 16px; }
.header-cta{ padding: 10px 18px; font-size:.9rem; }

.menu-toggle{
	display:none;
	background:none; border:none; padding:8px;
}
.menu-toggle-box{ display:block; width:24px; height:18px; position:relative; }
.menu-toggle-inner,
.menu-toggle-inner::before,
.menu-toggle-inner::after{
	position:absolute;
	left:0; right:0;
	height:2px;
	background: var(--text);
	border-radius:2px;
	transition: transform .2s ease, opacity .2s ease, top .2s ease;
}
.menu-toggle-inner{ top:8px; }
.menu-toggle-inner::before{ content:''; top:-7px; }
.menu-toggle-inner::after{ content:''; top:7px; }
.menu-toggle[aria-expanded="true"] .menu-toggle-inner{ background: transparent; }
.menu-toggle[aria-expanded="true"] .menu-toggle-inner::before{ top:0; transform: rotate(45deg); background: var(--copper-bright); }
.menu-toggle[aria-expanded="true"] .menu-toggle-inner::after{ top:0; transform: rotate(-45deg); background: var(--copper-bright); }

/* =========================================================
   Circuit divider + hero traces
   ========================================================= */
.circuit-divider{ line-height:0; opacity:.6; }
.circuit-divider svg{ width:100%; height:40px; display:block; }
.circuit-divider path{ fill:none; stroke: var(--line); stroke-width:1.5; }
.circuit-divider .node{ fill: var(--copper); }
.circuit-divider.flip{ transform: scaleX(-1); }

.hero{ position:relative; padding: 120px 0 90px; overflow:hidden; }
.hero-traces{ position:absolute; top:0; left:0; right:0; bottom:0; z-index:0; opacity:.35; pointer-events:none; }
.hero-traces svg{ width:100%; height:100%; }
.hero-traces .trace{ fill:none; stroke: var(--line); stroke-width:1.5; }
.hero-traces .node{ fill: var(--cyan); animation: pulse 2.6s ease-in-out infinite; }
.hero-traces .trace-2 .node{ animation-delay: .8s; }
@keyframes pulse{ 0%,100%{ opacity:.4; } 50%{ opacity:1; } }

.hero-inner{ position:relative; z-index:1; max-width: 760px; }
.hero-title{ font-size: clamp(2.2rem, 1.6rem + 3vw, 3.6rem); margin-bottom:.4em; }
.hero-sub{ font-size: 1.1rem; max-width: 600px; margin-bottom: 2em; }
.hero-actions{ display:flex; gap:16px; flex-wrap:wrap; margin-bottom: 3em; }

.hero-specs{ display:flex; gap: 32px; flex-wrap:wrap; }
.spec-chip{ display:flex; flex-direction:column; border-left: 2px solid var(--copper); padding-left:12px; }
.spec-num{ font-family: var(--font-mono); font-size:1.3rem; color: var(--text); }
.spec-label{ font-size:.82rem; color: var(--text-muted); }

/* =========================================================
   Category slots
   ========================================================= */
.slot-grid{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.slot-card{
	background: var(--surface);
	border: 1px solid var(--line);
	border-radius: var(--radius-md);
	padding: 28px 24px;
	transition: border-color .15s ease, transform .15s ease;
}
.slot-card:hover{ border-color: var(--copper); transform: translateY(-3px); }
.slot-index{ font-family: var(--font-mono); color: var(--copper-bright); font-size:.85rem; }
.slot-card h3{ margin: .5em 0 .3em; font-size:1.15rem; }
.slot-card p{ margin:0; font-size:.92rem; }

/* =========================================================
   Why grid
   ========================================================= */
.why-strip{ background: var(--surface); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.why-grid{ display:grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.why-item{ padding: 4px; }
.why-icon{ width:48px; height:48px; border-radius: var(--radius-sm); background: var(--surface-2); display:flex; align-items:center; justify-content:center; margin-bottom:16px; }
.why-icon svg{ stroke: var(--cyan); }
.why-item h3{ font-size:1.05rem; margin-bottom:.4em; }
.why-item p{ font-size:.92rem; }

/* =========================================================
   Stats
   ========================================================= */
.stats-strip{ padding: 56px 0; }
.stats-grid{ display:grid; grid-template-columns: repeat(4,1fr); gap:24px; text-align:center; }
.stat{ display:flex; flex-direction:column; gap:6px; border-right:1px solid var(--line); }
.stat:last-child{ border-right:none; }
.stat-num{ font-family: var(--font-mono); font-size:1.9rem; color: var(--copper-bright); }
.stat-label{ font-size:.85rem; color: var(--text-muted); }

/* =========================================================
   Reviews
   ========================================================= */
.reviews-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap:20px; }
.reviews-grid-full{ grid-template-columns: repeat(3,1fr); }
.review-card{ background: var(--surface); border:1px solid var(--line); border-radius: var(--radius-md); padding: 24px; }
.stars{ display:inline-flex; gap:2px; margin-bottom:10px; }
.star{ fill: var(--line); }
.star.filled{ fill: var(--copper-bright); }
.review-text{ font-size:.95rem; color: var(--text); margin-bottom:14px; }
.review-author{ font-size:.82rem; color: var(--text-muted); margin:0; }
.center-cta{ text-align:center; margin-top: 40px; }

/* =========================================================
   Blog cards
   ========================================================= */
.blog-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap:20px; }
.blog-grid-archive{ grid-template-columns: repeat(3,1fr); }
.blog-card{ background: var(--surface); border:1px solid var(--line); border-radius: var(--radius-md); overflow:hidden; display:block; transition: border-color .15s ease, transform .15s ease; }
.blog-card:hover{ border-color: var(--copper); transform: translateY(-3px); }
.blog-card-media{ aspect-ratio: 16/10; overflow:hidden; }
.blog-card-media img{ width:100%; height:100%; object-fit:cover; }
.blog-card-media-placeholder{
	background-color: var(--surface-2);
	background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 400 250'%3E%3Crect width='400' height='250' fill='%231A2133'/%3E%3Cpath d='M0 60 H120 V30 H260 V90 H400' stroke='%23232C40' stroke-width='2' fill='none'/%3E%3Cpath d='M0 190 H90 V220 H240 V160 H400' stroke='%23232C40' stroke-width='2' fill='none'/%3E%3Cpath d='M60 0 V60 M340 250 V190 M260 90 V0 M90 250 V220' stroke='%23232C40' stroke-width='2'/%3E%3Ccircle cx='120' cy='60' r='4' fill='%23C97C3D'/%3E%3Ccircle cx='260' cy='90' r='4' fill='%234FD8E0'/%3E%3Ccircle cx='90' cy='190' r='4' fill='%234FD8E0'/%3E%3Ccircle cx='240' cy='160' r='4' fill='%23C97C3D'/%3E%3Crect x='168' y='93' width='64' height='64' rx='6' fill='%230B0E14' stroke='%23C97C3D' stroke-width='2'/%3E%3Cpath d='M188 93v-10M212 93v-10M188 157v10M212 157v10M168 113h-10M168 137h-10M232 113h10M232 137h10' stroke='%23C97C3D' stroke-width='2'/%3E%3Crect x='188' y='113' width='24' height='24' rx='2' fill='none' stroke='%234FD8E0' stroke-width='1.5'/%3E%3C/svg%3E");
	background-size: cover;
	background-position: center;
}
.blog-card-body{ padding: 18px 20px; }
.blog-card-body h3{ font-size:1.05rem; margin-bottom:.3em; }
.blog-card-body p{ font-size:.88rem; margin:0; }
.blog-card-date{ font-family: var(--font-mono); font-size:.78rem !important; color: var(--copper-bright) !important; margin-bottom:.4em !important; }
.blog-card-empty{ padding: 30px; }
.pagination-wrap{ margin-top:30px; display:flex; justify-content:center; gap:16px; font-size:.9rem; }
.pagination-wrap a, .pagination-wrap span{ color: var(--text-muted); }

/* =========================================================
   FAQ
   ========================================================= */
.faq-list{ display:flex; flex-direction:column; gap:12px; }
.faq-item{ background: var(--surface); border:1px solid var(--line); border-radius: var(--radius-md); padding: 18px 22px; }
.faq-item summary{ cursor:pointer; font-family: var(--font-display); font-weight:600; color: var(--text); list-style:none; display:flex; justify-content:space-between; align-items:center; }
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-item summary::after{ content:'+'; color: var(--copper-bright); font-size:1.3rem; }
.faq-item[open] summary::after{ content:'\2212'; }
.faq-item p{ margin: 14px 0 0; font-size:.95rem; }

/* =========================================================
   Final CTA
   ========================================================= */
.final-cta{ text-align:center; }
.final-cta-inner{ max-width: 620px; margin: 0 auto; }
.final-cta h2{ font-size: clamp(1.6rem, 1.3rem + 1.2vw, 2.2rem); }

/* =========================================================
   Inner pages: page-hero
   ========================================================= */
.page-hero{ padding: 90px 0 60px; }
.page-hero h1{ font-size: clamp(1.9rem, 1.5rem + 2vw, 2.8rem); }
.page-hero-sub{ max-width: 600px; font-size: 1.05rem; }
.page-hero-legal{ padding: 70px 0 40px; }

/* About */
.prose p{ font-size:1rem; color: var(--text-muted); }
.prose h2{ margin-top: 1.6em; font-size:1.4rem; }
.legal-prose h2{ font-size:1.15rem; color: var(--copper-bright); margin-top:1.8em; }
.values-strip{ background: var(--surface); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }

/* Features */
.feature-rows{ display:flex; flex-direction:column; }
.feature-row{ display:grid; grid-template-columns: 90px 1fr; gap: 24px; padding: 32px 0; border-bottom:1px solid var(--line); }
.feature-row:first-child{ padding-top:0; }
.feature-row:last-child{ border-bottom:none; }
.feature-row-num{ font-family: var(--font-mono); font-size:1.6rem; color: var(--copper); }
.feature-row-body h2{ font-size:1.3rem; }
.feature-row-body p{ font-size:.98rem; max-width:640px; }

/* Contact */
.contact-grid{ display:grid; grid-template-columns: .85fr 1.15fr; gap: 50px; align-items:start; }
.contact-block{ margin-bottom: 22px; }
.contact-block h3{ font-size:.95rem; text-transform:uppercase; letter-spacing:.04em; color: var(--copper-bright); margin-bottom:.3em; }
.contact-block p{ font-size:.95rem; margin:0; }
.map-placeholder{ position:relative; background: var(--surface); border:1px solid var(--line); border-radius: var(--radius-md); height:220px; overflow:hidden; margin-top: 24px; }
.map-placeholder svg{ width:100%; height:100%; }
.map-placeholder .trace{ fill:none; stroke: var(--line); stroke-width:1.5; }
.map-placeholder .node{ fill: var(--cyan); }
.map-placeholder .node-pin{ fill: var(--copper-bright); }
.map-label{ position:absolute; left:16px; bottom:14px; font-family: var(--font-mono); font-size:.82rem; color: var(--text-muted); }

/* Forms */
.chipyard-form{ background: var(--surface); border:1px solid var(--line); border-radius: var(--radius-lg); padding: 32px; }
.form-hp{ position:absolute; left:-9999px; width:1px; height:1px; overflow:hidden; }
.form-row-2{ display:grid; grid-template-columns: 1fr 1fr; gap:18px; }
.form-field{ margin-bottom:18px; }
.form-field label{ display:block; font-size:.85rem; color: var(--text-muted); margin-bottom:6px; }
.form-field input, .form-field select, .form-field textarea,
.footer-newsletter input{
	width:100%;
	background: var(--bg);
	border: 1px solid var(--line);
	border-radius: var(--radius-sm);
	padding: 11px 14px;
	color: var(--text);
	font-family: var(--font-body);
	font-size:.95rem;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus{ border-color: var(--copper); }
.form-notice{ padding:14px 18px; border-radius: var(--radius-sm); margin-bottom:20px; font-size:.92rem; border:1px solid; }
.form-notice-success{ background: var(--success-bg); border-color: var(--success-line); color:#B9E8C6; }
.form-notice-error{ background: var(--error-bg); border-color: var(--error-line); color:#F1B8B2; }

/* Blog post */
.post-thumb{ margin-bottom: 40px; border-radius: var(--radius-md); overflow:hidden; }
.post-nav{ display:flex; justify-content:space-between; gap:20px; margin-top: 30px; font-size:.92rem; }
.post-nav-link{ color: var(--text-muted); }
.post-nav-link:hover{ color: var(--copper-bright); }
.empty-note{ color: var(--text-muted); }

/* =========================================================
   Footer
   ========================================================= */
.site-footer{ background: var(--surface); border-top:1px solid var(--line); padding-top: 50px; }
.footer-inner{ display:grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 40px; }
.footer-tagline{ font-size:.9rem; max-width:280px; margin: 14px 0; }
.footer-meta{ font-size:.8rem; }
.footer-heading{ font-size:.85rem; text-transform:uppercase; letter-spacing:.05em; color: var(--copper-bright); margin-bottom:14px; }
.footer-col ul{ display:flex; flex-direction:column; gap:10px; }
.footer-col ul a{ font-size:.9rem; color: var(--text-muted); }
.footer-col ul a:hover{ color: var(--text); }
.footer-note{ font-size:.85rem; margin-bottom:14px; }
.footer-newsletter{ display:flex; gap:8px; }
.footer-newsletter input{ flex:1; }
.footer-bottom{ border-top:1px solid var(--line); padding: 20px 24px; display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px; font-size:.82rem; color: var(--text-muted); }
.footer-legal-menu{ display:flex; gap:20px; }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 980px){
	.slot-grid{ grid-template-columns: repeat(2,1fr); }
	.why-grid{ grid-template-columns: repeat(2,1fr); }
	.stats-grid{ grid-template-columns: repeat(2,1fr); }
	.reviews-grid, .reviews-grid-full, .blog-grid, .blog-grid-archive{ grid-template-columns: repeat(2,1fr); }
	.contact-grid{ grid-template-columns: 1fr; }
	.footer-inner{ grid-template-columns: 1fr 1fr; }
	.stat{ border-right:none; }
}

@media (max-width: 760px){
	.section{ padding: 60px 0; }

	.main-nav{
		position: fixed;
		top: 72px;
		left: 0;
		right: 0;
		bottom: 0;
		background: var(--bg);
		border-top: 1px solid var(--line);
		padding: 30px 24px;
		transform: translateX(100%);
		transition: transform .25s ease;
		z-index: 90;
	}
	.main-nav.is-open{ transform: translateX(0); }
	.main-nav .nav-menu{ flex-direction:column; gap:0; }
	.main-nav .nav-menu li{ border-bottom:1px solid var(--line); }
	.main-nav .nav-menu a{ display:block; padding: 18px 4px; font-size:1.1rem; color: var(--text); }

	.header-cta{ display:none; }
	.menu-toggle{ display:block; }

	/* backdrop-filter on an ancestor makes it the containing block for
	   position:fixed descendants, which breaks the fullscreen mobile nav
	   overlay (it renders semi-see-through / misplaced). Disabling the
	   blur on mobile removes that containing block and fixes it. */
	.site-header{ backdrop-filter: none; -webkit-backdrop-filter: none; background: var(--bg); }

	.slot-grid, .why-grid, .stats-grid, .reviews-grid, .reviews-grid-full, .blog-grid, .blog-grid-archive{ grid-template-columns: 1fr; }
	.footer-inner{ grid-template-columns: 1fr; }
	.form-row-2{ grid-template-columns: 1fr; }
	.feature-row{ grid-template-columns: 1fr; gap: 8px; }
	.hero{ padding: 90px 0 60px; }
	.hero-actions{ flex-direction:column; }
	.hero-actions .btn{ width:100%; }
	.hero-specs{ gap: 20px; }
}