/*
Theme Name: Plasma Compute
Theme URI: https://example.com/plasma-compute
Author: Plasma
Description: A modern WordPress theme for AI, HPC, and data infrastructure.
Version: 1.0.0
Requires at least: 6.4
Requires PHP: 8.1
Text Domain: plasma
*/

:root {
  --ink: #08111f;
  --ink-2: #0d1a2b;
  --text: #101a28;
  --muted: #5c6878;
  --white: #fff;
  --cool: #f3f6fa;
  --line: #d8e0e9;
  --cyan: #38d9f5;
  --cyan-dark: #04aeca;
  --max: 1280px;
  --gutter: clamp(24px, 5vw, 72px);
  --section: clamp(78px, 9vw, 138px);
  --ease: 220ms cubic-bezier(.2,.7,.2,1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--text); background: var(--white); font-family: Inter, "Helvetica Neue", Arial, sans-serif; font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
.container { width: min(calc(100% - (var(--gutter) * 2)), var(--max)); margin-inline: auto; }
.sr-only { 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 { position: fixed; top: 12px; left: 12px; z-index: 999; transform: translateY(-160%); background: var(--white); color: var(--ink); padding: 10px 14px; }
.skip-link:focus { transform: none; }

.site-header { position: absolute; inset: 0 0 auto; z-index: 30; color: var(--white); }
.header-inner { height: 92px; display: flex; align-items: center; gap: 44px; }
.brand { display:inline-flex; align-items:baseline; margin-right: auto; font-size: 29px; font-weight: 600; letter-spacing: -.055em; line-height: 1; }
.brand-p { position:relative; display:inline-block; font-size:1.12em; letter-spacing:-.08em; }
.brand-p::before { content:""; position:absolute; width:.34em; height:.34em; right:.03em; top:-.13em; border-top:1.5px solid var(--cyan); border-right:1.5px solid var(--cyan); }
.brand-p::after { content:""; position:absolute; width:4px; height:4px; border-radius:50%; background:var(--cyan); left:.05em; bottom:-.18em; box-shadow:8px 0 0 rgba(56,217,245,.35); }
.primary-nav { display: flex; align-items: center; gap: 28px; }
.nav-item { position: relative; }
.nav-link, .nav-toggle { display: inline-flex; align-items: center; gap: 7px; border: 0; background: transparent; color: inherit; padding: 12px 0; font-size: 14px; }
.nav-link:hover, .nav-link:focus-visible, .nav-toggle:hover, .nav-toggle:focus-visible { color: var(--cyan); }
.chevron { width: 9px; height: 9px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: rotate(45deg) translateY(-2px); transition: transform var(--ease); }
.nav-item.open .chevron { transform: rotate(225deg) translate(-1px,-1px); }
.dropdown { position: absolute; top: calc(100% + 6px); left: -24px; width: 390px; padding: 10px; background: rgba(255,255,255,.98); color: var(--text); border: 1px solid rgba(8,17,31,.09); box-shadow: 0 24px 60px rgba(4,12,24,.2); opacity: 0; visibility: hidden; transform: translateY(-8px); transition: opacity var(--ease), transform var(--ease), visibility var(--ease); }
.nav-item.open .dropdown, .nav-item:focus-within .dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown a { display: flex; justify-content: space-between; align-items: center; gap:18px; padding: 13px 14px; font-size: 14px; border-bottom: 1px solid var(--line); }
.dropdown strong { display:block; font-size:14px; font-weight:650; }
.dropdown small { display:block; margin-top:3px; color:var(--muted); font-size:11px; line-height:1.35; }
.dropdown a:last-child { border: 0; }
.dropdown a::after { content: "→"; color: var(--cyan-dark); }
.dropdown a:hover, .dropdown a:focus-visible { background: var(--cool); }
.header-cta { padding: 11px 17px; border: 1px solid rgba(255,255,255,.72); font-size: 13px; transition: var(--ease); }
.header-cta:hover { color: var(--ink); background: var(--cyan); border-color: var(--cyan); }
.menu-button { display: none; width: 44px; height: 44px; border: 1px solid rgba(255,255,255,.45); background: transparent; color: white; }
.menu-button span, .menu-button::before, .menu-button::after { content: ""; display: block; width: 18px; height: 1px; background: currentColor; margin: 5px auto; }

.hero { min-height: min(880px, 100vh); color: var(--white); background: var(--ink); display: grid; align-items: center; position: relative; overflow: hidden; }
.hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, var(--ink) 0%, rgba(8,17,31,.92) 32%, rgba(8,17,31,.08) 68%, rgba(8,17,31,0) 100%); pointer-events: none; }
.hero-media { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center right; }
.hero-content { position: relative; z-index: 2; padding-top: 112px; }
.hero h1 { margin: 0; font-size: clamp(58px, 7vw, 104px); line-height: .97; letter-spacing: -.065em; font-weight: 450; max-width: 620px; }
.hero p { max-width: 540px; margin: 30px 0 36px; color: #d5dee8; font-size: clamp(18px, 1.5vw, 22px); line-height: 1.55; }
.button-row { display: flex; flex-wrap: wrap; gap: 14px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 14px; min-height: 50px; padding: 0 22px; border: 1px solid rgba(255,255,255,.55); font-size: 14px; font-weight: 600; transition: transform var(--ease), background var(--ease), color var(--ease), border var(--ease); }
.button::after { content: "→"; font-size: 18px; font-weight: 400; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--cyan); color: var(--ink); border-color: var(--cyan); }
.button-secondary { color: var(--white); background: rgba(8,17,31,.18); }
.button-dark { background: var(--ink); color: var(--white); border-color: var(--ink); }

.section { padding-block: var(--section); }
.section-title { margin: 0; font-size: clamp(43px, 5vw, 72px); font-weight: 450; line-height: 1.04; letter-spacing: -.055em; }
.section-intro { max-width: 660px; margin: 24px 0 0; color: var(--muted); font-size: 18px; }
.products-layout { display: grid; grid-template-columns: minmax(0,.95fr) minmax(440px,1.05fr); gap: clamp(55px, 7vw, 110px); align-items: center; }
.product-visual { align-self: end; margin-left: calc(var(--gutter) * -1); }
.product-list { border-top: 1px solid var(--line); }
.product-row { display: grid; grid-template-columns: 42px minmax(145px,.8fr) minmax(170px,1.2fr) 24px; gap: 22px; align-items: center; min-height: 92px; border-bottom: 1px solid var(--line); transition: color var(--ease); }
.product-row:hover { color: var(--cyan-dark); }
.product-number { color: #8d99a8; font-size: 13px; }
.product-name { font-weight: 650; line-height: 1.3; }
.product-copy { color: var(--muted); font-size: 14px; line-height: 1.45; }
.arrow { font-size: 22px; }

.solutions { background: var(--cool); }
.solutions-grid { margin-top: 56px; display: grid; grid-template-columns: 1fr 1fr; }
.solution { display: grid; grid-template-columns: 170px 1fr; gap: 30px; padding: 32px 38px 32px 0; border-bottom: 1px solid var(--line); }
.solution:nth-child(even) { padding-left: 38px; border-left: 1px solid var(--line); }
.solution-image { aspect-ratio: 1.25; overflow: hidden; background: var(--ink); }
.solution-image svg { width: 100%; height: 100%; }
.solution h3 { margin: 0 0 12px; font-size: 21px; font-weight: 600; line-height: 1.25; }
.solution p { margin: 0 0 18px; color: var(--muted); font-size: 14px; }
.text-link { display: inline-flex; gap: 13px; align-items: center; padding-bottom: 3px; border-bottom: 1px solid var(--cyan); font-weight: 600; font-size: 14px; }
.text-link::after { content: "→"; font-size: 19px; font-weight: 400; }

.system-layout { display: grid; grid-template-columns: .78fr 1.22fr; min-height: 540px; }
.system-copy { padding: var(--section) clamp(36px, 5vw, 80px) var(--section) max(var(--gutter), calc((100vw - var(--max))/2)); }
.system-copy .section-title { font-size: clamp(44px, 4.4vw, 66px); }
.system-map { margin-top: 54px; }
.system-layer { display: grid; grid-template-columns: 94px 1fr; gap: 20px; align-items: center; margin: 28px 0; font-weight: 600; }
.system-layer span:last-child { height: 1px; background: var(--cyan); position: relative; }
.system-layer span:last-child::after { content:""; position:absolute; right:-5px; top:-4px; width:9px; height:9px; border-radius:50%; background:var(--cyan); }
.system-image { width: 100%; height: 100%; object-fit: cover; min-height: 540px; }

.process { background: var(--ink); color: var(--white); }
.process .section-title { font-size: clamp(42px, 4.7vw, 68px); }
.steps { display: grid; grid-template-columns: repeat(3,1fr); margin-top: 58px; }
.step { padding-right: 34px; }
.step-head { display: flex; align-items: center; gap: 16px; color: var(--white); font-size: 27px; font-weight: 350; }
.step-line { height: 1px; flex: 1; background: var(--cyan); }
.step h3 { margin: 24px 0 8px; font-size: 22px; font-weight: 500; }
.step p { max-width: 270px; margin: 0; color: #aebaca; }

.about-layout { display: grid; grid-template-columns: .82fr 1.18fr; gap: clamp(46px, 7vw, 110px); align-items: center; }
.about-copy p { max-width: 500px; color: var(--muted); font-size: 17px; margin: 28px 0; }
.about-image { aspect-ratio: 1.42; object-fit: cover; width: 100%; }
.contact-band { position: relative; overflow: hidden; background: var(--ink); color: var(--white); }
.contact-band::before { content:""; position:absolute; inset:0; background: radial-gradient(circle at 72% 40%, rgba(56,217,245,.15), transparent 28%), linear-gradient(120deg, transparent 52%, rgba(255,255,255,.04) 52% 53%, transparent 53%); }
.contact-inner { position: relative; min-height: 270px; display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.contact-inner h2 { margin: 0; max-width: 680px; font-size: clamp(46px, 5vw, 74px); line-height: 1.02; font-weight: 430; letter-spacing: -.055em; }

.site-footer { background: #050b13; color: #aeb9c7; border-top: 1px solid rgba(255,255,255,.15); }
.footer-inner { min-height: 150px; display: flex; align-items: center; gap: 34px; }
.footer-brand { color: white; font-size: 26px; font-weight: 600; letter-spacing: -.05em; margin-right: auto; }
.footer-nav { display: flex; gap: 26px; font-size: 13px; }
.footer-nav a:hover { color: var(--cyan); }
.copyright { margin-left: auto; font-size: 12px; white-space: nowrap; }

.page-hero { position:relative; isolation:isolate; overflow:hidden; min-height:520px; display:flex; align-items:flex-end; padding: 190px 0 100px; background: var(--ink); color: white; }
.page-hero::before { content:""; position:absolute; z-index:-2; inset:0; background-image:var(--page-hero-image); background-size:cover; background-position:center 48%; }
.page-hero::after { content:""; position:absolute; z-index:-1; inset:0; background:linear-gradient(90deg,rgba(8,17,31,.97) 0%,rgba(8,17,31,.86) 38%,rgba(8,17,31,.34) 72%,rgba(8,17,31,.58) 100%); }
.page-hero h1 { margin: 0; max-width: 900px; font-size: clamp(56px, 7vw, 96px); line-height: 1; letter-spacing: -.06em; font-weight: 450; }
.page-hero p { max-width: 700px; margin: 28px 0 0; color: #b8c4d1; font-size: 20px; }
.overview-list { border-top: 1px solid var(--line); }
.overview-item { display: grid; grid-template-columns: 54px minmax(220px,.75fr) 1.25fr 30px; gap: 30px; align-items: center; min-height: 150px; border-bottom: 1px solid var(--line); }
.overview-item h2 { font-size: clamp(25px,2.5vw,38px); margin: 0; font-weight: 500; letter-spacing: -.03em; }
.overview-item p { color: var(--muted); max-width: 570px; margin: 0; }
.detail-intro { display: grid; grid-template-columns: .75fr 1.25fr; gap: 70px; }
.detail-intro h2 { margin: 0; font-size: clamp(38px,4vw,58px); line-height: 1.08; font-weight: 450; letter-spacing: -.045em; }
.detail-copy { color: var(--muted); font-size: 18px; }
.detail-copy p:first-child { margin-top: 0; }
.considerations { background: var(--cool); }
.consideration-grid { display: grid; grid-template-columns: repeat(3,1fr); margin-top: 52px; border-top: 1px solid var(--line); }
.consideration { padding: 30px 32px 0 0; border-right: 1px solid var(--line); }
.consideration + .consideration { padding-left: 32px; }
.consideration:last-child { border: 0; }
.consideration h3 { margin: 0 0 13px; font-size: 20px; }
.consideration p { margin: 0; color: var(--muted); }
.detail-eyebrow { display:block; margin-bottom:20px; color:var(--cyan); font-size:12px; font-weight:700; letter-spacing:.18em; text-transform:uppercase; }
.detail-index, .point-number { display:block; color:var(--cyan-dark); font-size:12px; font-weight:700; letter-spacing:.14em; }
.detail-heading h2 { margin:18px 0 0; }
.detail-section-head { display:grid; grid-template-columns:70px 1fr; align-items:start; }
.detail-section-head .detail-index { padding-top:14px; }
.point-number { margin-bottom:22px; }
.detail-closing-grid { display:grid; grid-template-columns:1.08fr .92fr; gap:clamp(50px,7vw,110px); align-items:center; }
.detail-closing-media { overflow:hidden; background:var(--ink); }
.detail-closing-media img { width:100%; aspect-ratio:1.32; object-fit:cover; }
.detail-closing-copy .detail-index { margin-bottom:18px; }
.detail-closing-copy p { max-width:520px; margin:26px 0 30px; color:var(--muted); font-size:17px; }

/* Each subject keeps the same visual system while using a distinct editorial rhythm. */
.detail-page--gpu-servers .detail-intro { grid-template-columns:1fr 1fr; }
.detail-page--compute-servers .considerations { background:#fff; border-block:1px solid var(--line); }
.detail-page--compute-servers .consideration-grid { gap:22px; border:0; }
.detail-page--compute-servers .consideration { padding:30px; border:1px solid var(--line); }
.detail-page--professional-workstations .detail-closing-grid { grid-template-columns:.82fr 1.18fr; }
.detail-page--professional-workstations .detail-closing-media img { aspect-ratio:.95; }
.detail-page--storage-systems .detail-intro { grid-template-columns:1.18fr .82fr; }
.detail-page--storage-systems .consideration-grid { grid-template-columns:.8fr 1.2fr 1fr; }
.detail-page--integrated-clusters .detail-closing { background:var(--cool); }
.detail-page--integrated-clusters .detail-closing-media { order:2; }
.detail-page--ai-training-inference .considerations { background:var(--ink); color:var(--white); }
.detail-page--ai-training-inference .consideration-grid { border-color:rgba(255,255,255,.2); }
.detail-page--ai-training-inference .consideration { border-color:rgba(255,255,255,.2); }
.detail-page--ai-training-inference .consideration p { color:#b8c4d1; }
.detail-page--hpc-simulation .detail-intro { grid-template-columns:.62fr 1.38fr; }
.detail-page--hpc-simulation .detail-section-head { grid-template-columns:1fr; gap:18px; }
.detail-page--data-analytics .consideration-grid { grid-template-columns:repeat(3,1fr); gap:18px; border:0; }
.detail-page--data-analytics .consideration { padding:34px; border:0; background:#fff; }
.detail-page--private-cloud-infrastructure .detail-closing { background:var(--ink); color:var(--white); }
.detail-page--private-cloud-infrastructure .detail-closing-copy p { color:#b8c4d1; }
.detail-page--private-cloud-infrastructure .detail-closing-copy .button { background:var(--cyan); color:var(--ink); border-color:var(--cyan); }

.contact-grid { display: grid; grid-template-columns: .72fr 1.28fr; gap: clamp(60px,8vw,120px); }
.contact-copy h2 { margin: 0 0 22px; font-size: clamp(40px,4vw,58px); line-height: 1.05; font-weight: 450; letter-spacing: -.04em; }
.contact-copy p { color: var(--muted); }
.contact-details { margin-top: 42px; border-top: 1px solid var(--line); }
.contact-detail { padding: 16px 0; border-bottom: 1px solid var(--line); }
.contact-detail strong { display: block; font-size: 12px; text-transform: uppercase; letter-spacing: .12em; color: var(--muted); }
.contact-detail a { display:inline-block; margin-top:3px; font-size:17px; border-bottom:1px solid var(--cyan); }
.contact-form { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.field-full { grid-column: 1 / -1; }
.contact-form label { display: block; font-size: 13px; font-weight: 650; margin-bottom: 8px; }
.contact-form input, .contact-form select, .contact-form textarea { width: 100%; border: 1px solid #cbd5e0; background: white; padding: 14px 15px; min-height: 52px; border-radius: 0; color: var(--text); }
.contact-form textarea { min-height: 170px; resize: vertical; }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { outline: 2px solid var(--cyan); outline-offset: 1px; border-color: var(--cyan-dark); }
.form-notice { grid-column: 1/-1; padding: 14px 16px; background: #e9fbff; border-left: 3px solid var(--cyan-dark); }
.form-notice.error { background: #fff0f0; border-color: #bd3030; }
.privacy { color: var(--muted); font-size: 12px; }
.not-found { min-height: 70vh; display:grid; place-items:center; text-align:center; padding:150px 24px 80px; }
.about-principles { display:grid; grid-template-columns:repeat(3,1fr); margin-top:54px; border-top:1px solid var(--line); }
.about-principle { padding:30px 36px 0 0; border-right:1px solid var(--line); }
.about-principle + .about-principle { padding-left:36px; }
.about-principle:last-child { border-right:0; }
.about-principle h3 { margin:0 0 12px; font-size:20px; }
.about-principle p { margin:0; color:var(--muted); }
.privacy-content { max-width:760px; }
.privacy-content h2 { margin-top:48px; font-size:28px; }
.privacy-content p { color:var(--muted); }

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

@media (max-width: 980px) {
  .menu-button { display: block; }
  .header-cta { display: none; }
  .primary-nav { position: fixed; inset: 92px 0 0; display: block; padding: 24px var(--gutter) 40px; background: var(--ink); transform: translateX(100%); transition: transform var(--ease); overflow-y: auto; }
  .primary-nav.open { transform: none; }
  .nav-link, .nav-toggle { width: 100%; justify-content: space-between; padding: 18px 0; border-bottom: 1px solid rgba(255,255,255,.14); font-size: 17px; }
  .dropdown { position: static; width: 100%; display: none; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0; background: #101d2e; color: white; padding: 5px 16px; }
  .dropdown small { color:#aebaca; }
  .nav-item.open .dropdown { display: block; }
  .products-layout, .system-layout, .about-layout, .detail-intro, .contact-grid, .detail-closing-grid { grid-template-columns: 1fr; }
  .detail-page .detail-intro, .detail-page--storage-systems .consideration-grid { grid-template-columns:1fr; }
  .detail-page--integrated-clusters .detail-closing-media { order:0; }
  .product-visual { margin: 30px calc(var(--gutter) * -1) 20px; }
  .solutions-grid { grid-template-columns: 1fr; }
  .solution:nth-child(even) { padding-left: 0; border-left: 0; }
  .system-copy { padding-inline: var(--gutter); }
  .system-image { min-height: 420px; }
  .footer-inner { flex-wrap: wrap; padding-block: 40px; }
  .footer-brand { width: 100%; }
  .footer-nav { flex-wrap: wrap; }
  .copyright { width: 100%; margin-left: 0; }
}

@media (max-width: 680px) {
  :root { --gutter: 22px; --section: 72px; }
  .header-inner { height: 78px; }
  .primary-nav { top: 78px; }
  .hero { min-height: 760px; align-items: end; }
  .hero::after { background: linear-gradient(0deg, var(--ink) 7%, rgba(8,17,31,.82) 52%, rgba(8,17,31,.14) 100%); }
  .hero-media { object-position: 66% center; }
  .hero-content { padding: 230px 0 70px; }
  .hero h1 { font-size: 55px; }
  .hero p { font-size: 17px; }
  .button-row .button { width: 100%; }
  .product-row { grid-template-columns: 30px 1fr 22px; gap: 13px; min-height: 88px; }
  .product-copy { grid-column: 2/4; padding-bottom: 18px; }
  .solutions-grid { margin-top: 34px; }
  .solution { grid-template-columns: 110px 1fr; gap: 20px; padding-right: 0; }
  .system-layout { min-height: 0; }
  .system-image { min-height: 330px; }
  .steps { grid-template-columns: 1fr; gap: 42px; }
  .step { padding: 0; }
  .step p { max-width: none; }
  .contact-inner { align-items: flex-start; flex-direction: column; justify-content: center; padding-block: 62px; }
  .overview-item { grid-template-columns: 32px 1fr 22px; gap: 14px; padding-block: 24px; }
  .overview-item p { grid-column: 2/4; }
  .consideration-grid, .about-principles { grid-template-columns: 1fr; }
  .consideration, .consideration + .consideration { padding: 25px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .about-principle, .about-principle + .about-principle { padding:25px 0; border-right:0; border-bottom:1px solid var(--line); }
  .contact-form { grid-template-columns: 1fr; }
  .field-full { grid-column: auto; }
  .page-hero { min-height:470px; padding:150px 0 66px; }
  .page-hero::after { background:linear-gradient(0deg,rgba(8,17,31,.97) 0%,rgba(8,17,31,.78) 60%,rgba(8,17,31,.48) 100%); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}