/* ==========================================================================
   Fiaz Anjum: portfolio stylesheet (no framework, no build step)
   ========================================================================== */
:root {
  --navy-950: #040914;
  --navy-900: #071024;
  --navy-850: #0A1530;
  --navy-800: #0E1C3D;
  --navy-700: #15275A;
  --line-dark: rgba(148, 175, 230, 0.14);
  --line-dark-2: rgba(148, 175, 230, 0.24);
  --on-dark: #E8EEF9;
  --on-dark-2: #A9B8D3;
  --on-dark-3: #8193B4;

  --paper: #F3F6FB;
  --white: #FFFFFF;
  --ink: #0B1324;
  --ink-2: #2B3A55;
  --muted: #56657F;
  --line: #DCE3EE;

  --blue: #2F7BFF;
  --blue-600: #1E63E5;
  --blue-700: #174FC0;
  --cyan: #22D3EE;
  --cyan-300: #7DE3F4;
  --grad: linear-gradient(120deg, #2F7BFF 0%, #22D3EE 100%);

  --bronze: #C98A4B;
  --silver: #A9B6C8;
  --gold: #E7B94C;
  --ok: #10B981;
  --err: #E5484D;

  --font-head: "Sora", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-body: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "Cascadia Code", Consolas, monospace;

  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 1px 2px rgba(11, 19, 36, .05), 0 8px 24px -8px rgba(11, 19, 36, .12);
  --shadow-lg: 0 24px 60px -20px rgba(11, 19, 36, .35);
  --header-h: 72px;
  --gutter: clamp(16px, 4vw, 32px);
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); -webkit-text-size-adjust: 100%; }
body {
  margin: 0; font-family: var(--font-body); font-size: 16px; line-height: 1.65;
  color: var(--ink); background: var(--navy-900); text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
main { display: block; background: var(--white); position: relative; }
main:focus { outline: none; }
img, svg { max-width: 100%; }
img { height: auto; display: block; }
a { color: var(--blue-600); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--blue-700); }
h1, h2, h3, h4 { font-family: var(--font-head); line-height: 1.2; letter-spacing: -0.02em; margin: 0 0 .5em; color: inherit; }
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 700; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); font-weight: 700; }
h3 { font-size: 1.2rem; font-weight: 600; }
h4 { font-size: 1rem; font-weight: 600; }
p { margin: 0 0 1em; }
ul, ol { padding: 0; margin: 0; list-style: none; }
code { font-family: var(--font-mono); font-size: .88em; background: rgba(47, 123, 255, .08); padding: .12em .4em; border-radius: 6px; }
:focus-visible { outline: 3px solid var(--cyan); outline-offset: 3px; border-radius: 6px; }
.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip-link { position: absolute; left: 16px; top: -60px; z-index: 200; background: var(--white); color: var(--ink); padding: 10px 16px; border-radius: 8px; font-weight: 600; }
.skip-link:focus { top: 12px; }
.container { width: 100%; max-width: 1200px; margin-inline: auto; padding-inline: var(--gutter); }
.container.narrow { max-width: 960px; }
.center { text-align: center; }
.muted { color: var(--muted); }
.fine { font-size: .82rem; color: var(--muted); margin-top: .75rem; display: flex; gap: .4rem; align-items: flex-start; }
.fine .icon { width: 14px; height: 14px; flex: none; margin-top: 3px; }
.icon { width: 18px; height: 18px; flex: none; }

/* ---------- Buttons ---------- */
.btn {
  --bh: 48px; display: inline-flex; align-items: center; justify-content: center; gap: .55rem;
  min-height: var(--bh); padding: 0 1.25rem; border-radius: 999px; font-weight: 600; font-size: .95rem;
  text-decoration: none; border: 1.5px solid transparent; cursor: pointer; white-space: nowrap;
  transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease, color .2s ease, border-color .2s ease;
  font-family: var(--font-body); line-height: 1.2;
}
.btn .icon { width: 17px; height: 17px; transition: transform .2s ease; }
.btn:hover .icon { transform: translateX(2px); }
.btn-primary { background: var(--grad); color: #04101F; box-shadow: 0 10px 30px -10px rgba(34, 168, 238, .6); }
.btn-primary:hover { color: #04101F; transform: translateY(-1px); box-shadow: 0 14px 34px -10px rgba(34, 168, 238, .75); }
.btn-ghost { background: rgba(255, 255, 255, .04); color: var(--on-dark); border-color: var(--line-dark-2); }
.btn-ghost:hover { color: #fff; border-color: var(--cyan); background: rgba(34, 211, 238, .08); }
.btn-light { background: #fff; color: var(--ink); }
.btn-light:hover { color: var(--ink); transform: translateY(-1px); }
.btn-dark { background: var(--navy-900); color: #fff; }
.btn-dark:hover { color: #fff; background: var(--navy-700); }
.btn-outline { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-outline:hover { color: var(--blue-600); border-color: var(--blue); }
.btn-chip { --bh: 38px; padding: 0 .9rem; font-size: .85rem; background: rgba(255, 255, 255, .05); color: var(--on-dark); border-color: var(--line-dark-2); }
.btn-chip:hover { color: #fff; border-color: var(--cyan); }
.btn-sm { --bh: 40px; padding: 0 1rem; font-size: .88rem; }
.btn-lg { --bh: 54px; padding: 0 1.6rem; font-size: 1rem; }
.cta-row { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.75rem; }
.center-row { display: flex; justify-content: center; margin-top: 2.5rem; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100; background: rgba(7, 16, 36, .72);
  backdrop-filter: saturate(160%) blur(14px); -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid transparent; transition: background-color .25s, border-color .25s;
}
.site-header.is-scrolled, .site-header.menu-open { background: rgba(5, 11, 26, .94); border-bottom-color: var(--line-dark); }
.nav-wrap { display: flex; align-items: center; gap: 1.5rem; min-height: var(--header-h); }
.brand { display: inline-flex; align-items: center; gap: .7rem; text-decoration: none; color: var(--on-dark); flex: none; }
.brand:hover { color: #fff; }
.brand-mark {
  display: grid; place-items: center; width: 40px; height: 40px; border-radius: 12px; background: var(--grad);
  color: #04101F; font-family: var(--font-head); font-weight: 800; font-size: .95rem; letter-spacing: .02em;
  box-shadow: 0 6px 18px -6px rgba(34, 211, 238, .6);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { font-family: var(--font-head); font-size: 1.02rem; }
.brand-text small { font-size: .72rem; color: var(--on-dark-3); letter-spacing: .04em; }
.primary-nav { margin-left: auto; }
.primary-nav ul { display: flex; gap: .2rem; }
.primary-nav a {
  display: block; padding: .5rem .75rem; border-radius: 8px; color: var(--on-dark-2); text-decoration: none;
  font-size: .9rem; font-weight: 500; transition: color .2s, background-color .2s;
}
.primary-nav a:hover, .primary-nav a[aria-current="page"] { color: #fff; background: rgba(255, 255, 255, .06); }
.primary-nav a[aria-current="page"] { box-shadow: inset 0 -2px 0 var(--cyan); }
.nav-actions { display: flex; align-items: center; gap: .6rem; }
.menu-btn {
  display: inline-flex; align-items: center; gap: .45rem; height: 40px; padding: 0 .85rem; border-radius: 999px;
  border: 1.5px solid var(--line-dark-2); background: transparent; color: var(--on-dark); cursor: pointer; font: 600 .85rem var(--font-body);
}
.menu-btn:hover { border-color: var(--cyan); }
.menu-btn span { display: inline-flex; }
.menu-btn .menu-close { display: none; }
.menu-btn[aria-expanded="true"] .menu-open { display: none; }
.menu-btn[aria-expanded="true"] .menu-close { display: inline-flex; }
.mega-menu { border-top: 1px solid var(--line-dark); background: rgba(5, 11, 26, .98); max-height: calc(100vh - var(--header-h)); overflow-y: auto; }
.mm-grid { display: grid; grid-template-columns: 1fr 300px; gap: 2rem; padding-block: 1.75rem 2rem; }
.mm-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .25rem; }
.mm-list a { display: flex; gap: .9rem; align-items: flex-start; padding: .75rem .9rem; border-radius: 12px; color: var(--on-dark); text-decoration: none; }
.mm-list a:hover, .mm-list a[aria-current="page"] { background: rgba(47, 123, 255, .1); color: #fff; }
.mm-num { font: 500 .75rem var(--font-mono); color: var(--cyan); padding-top: .2rem; }
.mm-list strong { display: block; font-weight: 600; }
.mm-list small { color: var(--on-dark-3); font-size: .8rem; }
.mm-side { display: flex; flex-direction: column; gap: .6rem; padding: 1.25rem; border: 1px solid var(--line-dark); border-radius: var(--radius); background: rgba(255, 255, 255, .02); }
.mm-title { margin: .4rem 0 0; font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--on-dark-3); font-weight: 600; }
.mm-cv, .mm-contact { display: flex; gap: .6rem; align-items: center; color: var(--on-dark); text-decoration: none; font-size: .9rem; padding: .35rem 0; word-break: break-all; }
.mm-cv:hover, .mm-contact:hover { color: var(--cyan); }
.mm-side .btn { margin-top: .5rem; }

/* ---------- Generic sections ---------- */
.section { padding-block: clamp(4rem, 9vw, 7rem); position: relative; }
.section.light { background: var(--white); color: var(--ink); }
.section.paper { background: var(--paper); color: var(--ink); }
.section.dark { background: var(--navy-900); color: var(--on-dark); }
.section.darker { background: var(--navy-950); color: var(--on-dark); }
.section.dark .muted, .section.darker .muted { color: var(--on-dark-3); }
.section-head { max-width: 760px; margin-bottom: clamp(2rem, 5vw, 3.25rem); }
.section-head.center { margin-inline: auto; text-align: center; }
.section-lead { font-size: 1.08rem; color: var(--muted); max-width: 720px; }
.dark .section-lead, .darker .section-lead, .collab .section-lead { color: var(--on-dark-2); }
.eyebrow {
  display: inline-flex; align-items: center; gap: .5rem; font-size: .76rem; font-weight: 700; letter-spacing: .14em;
  text-transform: uppercase; color: var(--blue-600); margin-bottom: .9rem;
}
.dark .eyebrow, .darker .eyebrow, .hero .eyebrow, .page-hero .eyebrow, .collab .eyebrow, .site-footer .eyebrow { color: var(--cyan); }
.eyebrow-pill { padding: .45rem .9rem; border-radius: 999px; border: 1px solid var(--line-dark-2); background: rgba(34, 211, 238, .06); letter-spacing: .08em; font-size: .72rem; }
.dot-live { width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 0 rgba(34, 211, 238, .6); animation: pulse 2.4s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(34, 211, 238, .55); } 70% { box-shadow: 0 0 0 10px rgba(34, 211, 238, 0); } 100% { box-shadow: 0 0 0 0 rgba(34, 211, 238, 0); } }
.grad-text { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.sub-h { margin-top: 2.5rem; font-size: 1.1rem; }

/* ---------- Hero ---------- */
.hero, .page-hero { position: relative; background: var(--navy-900); color: var(--on-dark); overflow: hidden; isolation: isolate; }
.hero-bg {
  position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(900px 520px at 85% 15%, rgba(47, 123, 255, .22), transparent 60%),
    radial-gradient(700px 480px at 5% 90%, rgba(34, 211, 238, .12), transparent 60%),
    linear-gradient(180deg, #050C1E 0%, #071024 100%);
}
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(148, 175, 230, .06) 1px, transparent 1px), linear-gradient(90deg, rgba(148, 175, 230, .06) 1px, transparent 1px);
  background-size: 56px 56px; mask-image: radial-gradient(ellipse at 60% 40%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 60% 40%, #000 30%, transparent 75%);
}
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr); gap: clamp(2rem, 5vw, 4rem); align-items: center; padding-block: clamp(3.5rem, 8vw, 6.5rem) 2.5rem; }
.hero h1 { font-size: clamp(2.3rem, 5.2vw, 3.9rem); color: #fff; margin-bottom: 1.25rem; }
.h1-name { display: block; font-size: .42em; font-weight: 600; letter-spacing: .02em; color: var(--on-dark-2); margin-bottom: .6rem; }
.hero-lead { font-size: clamp(1.05rem, 1.6vw, 1.2rem); color: var(--on-dark-2); max-width: 620px; }
.hero-role { font-size: .92rem; color: var(--on-dark-3); border-left: 2px solid var(--cyan); padding-left: .9rem; max-width: 560px; }
.hero-cv { display: flex; flex-wrap: wrap; align-items: center; gap: .6rem; margin-top: 1.5rem; }
.hero-cv > span { font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; color: var(--on-dark-3); font-weight: 600; margin-right: .25rem; }
.hero-visual { position: relative; }
.hero-svg { width: 100%; height: auto; filter: drop-shadow(0 30px 60px rgba(0, 0, 0, .45)); }
.hv-flow path { animation: flow 2.8s linear infinite; }
@keyframes flow { to { stroke-dashoffset: -72; } }
.hv-pulse { transform-origin: 232px 235px; animation: ring 3s ease-out infinite; }
@keyframes ring { from { opacity: .9; transform: scale(1); } to { opacity: 0; transform: scale(1.8); } }
.hv-bar { transform-box: fill-box; transform-origin: bottom; animation: grow 1.4s cubic-bezier(.2, .8, .2, 1) both; }
.hv-bar:nth-child(5) { animation-delay: .1s; } .hv-bar:nth-child(6) { animation-delay: .2s; } .hv-bar:nth-child(7) { animation-delay: .3s; }
@keyframes grow { from { transform: scaleY(.1); } to { transform: scaleY(1); } }
.sector-strip { display: flex; flex-wrap: wrap; gap: .5rem 1.75rem; padding-block: 1.5rem 2.25rem; border-top: 1px solid var(--line-dark); color: var(--on-dark-3); font-size: .85rem; font-weight: 500; letter-spacing: .04em; }
.sector-strip li { display: inline-flex; align-items: center; gap: .6rem; }
.sector-strip li::before { content: ""; width: 6px; height: 6px; border-radius: 2px; background: var(--grad); }

.page-hero .container { padding-block: clamp(3rem, 7vw, 5.5rem); position: relative; }
.page-hero h1 { color: #fff; max-width: 900px; font-size: clamp(2rem, 4.4vw, 3.2rem); }
.page-lead { font-size: 1.1rem; color: var(--on-dark-2); max-width: 760px; }
.crumbs { font-size: .82rem; color: var(--on-dark-3); padding-block: .9rem; background: transparent; position: relative; z-index: 2; }
main > .crumbs { position: absolute; left: 0; right: 0; top: 0; }
.crumbs a { color: var(--on-dark-2); text-decoration: none; }
.crumbs a:hover { color: #fff; }
.crumbs [aria-current] { color: var(--on-dark); }
.hero-chips { margin-top: 1.5rem; }
.facts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; margin: 2rem 0 0; padding: 1.25rem; border: 1px solid var(--line-dark); border-radius: var(--radius); background: rgba(255, 255, 255, .03); }
.facts dt { font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--on-dark-3); font-weight: 600; }
.facts dd { margin: .25rem 0 0; color: #fff; font-weight: 600; font-size: .95rem; }
.article-meta { display: flex; flex-wrap: wrap; gap: .5rem 1.25rem; align-items: center; color: var(--on-dark-2); font-size: .88rem; margin-top: 1.25rem; }
.article-meta span { display: inline-flex; align-items: center; gap: .4rem; }
.article-meta .icon { width: 15px; height: 15px; }

/* ---------- Metrics ---------- */
.metrics-band { background: var(--navy-950); color: var(--on-dark); padding-block: clamp(2.5rem, 6vw, 4rem); border-top: 1px solid var(--line-dark); }
.metrics { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 1px; background: var(--line-dark); border: 1px solid var(--line-dark); border-radius: var(--radius); overflow: hidden; }
.metric { background: var(--navy-950); padding: 1.5rem 1.25rem; }
.metric-value { font-family: var(--font-head); font-weight: 700; font-size: clamp(1.9rem, 3vw, 2.5rem); line-height: 1; margin-bottom: .6rem; color: #fff; }
.metric-suffix { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.metric-label { font-weight: 600; color: var(--on-dark); margin-bottom: .3rem; font-size: .92rem; }
.metric-context { font-size: .78rem; color: var(--on-dark-3); margin: 0; line-height: 1.45; }
.metrics-note { font-size: .78rem; color: var(--on-dark-3); margin: 1rem 0 0; text-align: center; }

/* ---------- About ---------- */
.about-grid { display: grid; grid-template-columns: 320px minmax(0, 1fr); gap: clamp(2rem, 5vw, 4.5rem); align-items: start; }
.photo-frame { position: relative; border-radius: 24px; padding: 6px; background: var(--grad); box-shadow: var(--shadow-lg); max-width: 300px; }
.photo-frame img { width: 100%; border-radius: 19px; aspect-ratio: 1; object-fit: cover; }
.about-card { margin-top: 1.25rem; padding: 1.1rem 1.25rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper); max-width: 300px; }
.about-card p { margin: 0 0 .3rem; display: flex; gap: .45rem; align-items: center; font-size: .9rem; }
.about-card .icon { width: 15px; height: 15px; color: var(--blue); }
.prose-lg { font-size: 1.07rem; color: var(--ink-2); }
.dark .prose-lg { color: var(--on-dark-2); }
.pillars { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.25rem; margin-top: clamp(2.5rem, 6vw, 4rem); }
.pillar { display: flex; gap: 1rem; padding: 1.4rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); transition: border-color .2s, transform .2s, box-shadow .2s; }
.pillar:hover { border-color: rgba(47, 123, 255, .4); transform: translateY(-2px); box-shadow: var(--shadow); }
.pillar h3 { font-size: 1.02rem; margin-bottom: .35rem; }
.pillar p { font-size: .9rem; color: var(--muted); margin: 0; }
.pillar-icon, .card-icon, .cert-icon, .cc-icon, .cv-icon {
  display: grid; place-items: center; width: 44px; height: 44px; flex: none; border-radius: 12px;
  background: linear-gradient(135deg, rgba(47, 123, 255, .12), rgba(34, 211, 238, .12)); color: var(--blue-600);
}
.pillar-icon .icon, .card-icon .icon, .cert-icon .icon, .cc-icon .icon, .cv-icon .icon { width: 21px; height: 21px; }
.pillars-dark { margin-top: 0; }
.pillars-dark .pillar { background: rgba(255, 255, 255, .03); border-color: var(--line-dark); }
.pillars-dark .pillar p { color: var(--on-dark-2); }
.pillars-dark .pillar-icon { color: var(--cyan); }
.journey { display: grid; gap: 1rem; }
.jr-item { display: grid; grid-template-columns: 140px minmax(0, 1fr); gap: 1.5rem; padding: 1.5rem; border-radius: var(--radius); background: var(--white); border: 1px solid var(--line); }
.jr-period { font: 600 .9rem var(--font-mono); color: var(--blue-600); margin: 0; }
.jr-item h3 { margin-bottom: .35rem; }
.jr-item p { margin: 0; color: var(--muted); }

/* ---------- Expertise ---------- */
.xp { display: grid; grid-template-columns: 290px minmax(0, 1fr); gap: 1.5rem; align-items: start; }
.xp-tabs { display: flex; flex-direction: column; gap: .5rem; position: sticky; top: calc(var(--header-h) + 16px); }
.xp-tab {
  display: flex; align-items: center; gap: .8rem; width: 100%; text-align: left; padding: 1rem 1.1rem; border-radius: 14px;
  border: 1px solid var(--line-dark); background: rgba(255, 255, 255, .02); color: var(--on-dark-2); cursor: pointer;
  font: 600 .98rem var(--font-head); transition: all .2s;
}
.xp-tab .icon { color: var(--on-dark-3); width: 20px; height: 20px; }
.xp-tab:hover { color: #fff; border-color: var(--line-dark-2); }
.xp-tab[aria-selected="true"] { color: #fff; border-color: rgba(34, 211, 238, .45); background: linear-gradient(135deg, rgba(47, 123, 255, .16), rgba(34, 211, 238, .08)); }
.xp-tab[aria-selected="true"] .icon { color: var(--cyan); }
.xp-panel { border: 1px solid var(--line-dark); border-radius: 20px; padding: clamp(1.25rem, 3vw, 2rem); background: rgba(255, 255, 255, .02); }
.js .xp-panel:not(.is-active), .js .arch-panel:not(.is-active) { display: none; }
.no-js-hide { display: none; }
.xp-panel + .xp-panel { margin-top: 1rem; }
.js .xp-panel + .xp-panel { margin-top: 0; }
.xp-panel-head h3 { display: flex; gap: .6rem; align-items: center; font-size: 1.4rem; color: #fff; }
.xp-panel-head h3 .icon { color: var(--cyan); width: 24px; height: 24px; }
.xp-panel-head p { color: var(--on-dark-2); margin-bottom: .4rem; }
.xp-count { font-size: .8rem; color: var(--on-dark-3) !important; }
.xp-items { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .75rem; margin-top: 1.25rem; }
.xp-item { padding: .9rem 1rem; border-radius: 12px; background: rgba(255, 255, 255, .03); border: 1px solid var(--line-dark); animation: fadeUp .4s both; }
.xp-item-top { display: flex; justify-content: space-between; gap: .75rem; align-items: flex-start; }
.xp-name { font-weight: 600; color: #fff; font-size: .95rem; }
.xp-ev { margin: .3rem 0 0; font-size: .8rem; color: var(--on-dark-3); line-height: 1.45; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.lvl { display: inline-flex; align-items: center; flex: none; padding: .18rem .55rem; border-radius: 999px; font-size: .68rem; font-weight: 700; letter-spacing: .03em; white-space: nowrap; border: 1px solid; }
.lvl-delivered { color: #0E9F6E; border-color: rgba(16, 185, 129, .35); background: rgba(16, 185, 129, .1); }
.lvl-handson { color: #1E63E5; border-color: rgba(47, 123, 255, .35); background: rgba(47, 123, 255, .1); }
.lvl-certified { color: #B7791F; border-color: rgba(231, 185, 76, .45); background: rgba(231, 185, 76, .12); }
.dark .lvl-delivered, .darker .lvl-delivered { color: #34D399; }
.dark .lvl-handson, .darker .lvl-handson { color: #7FB0FF; }
.dark .lvl-certified, .darker .lvl-certified { color: #F2C96A; }
.legend { display: flex; flex-wrap: wrap; gap: .75rem 1.75rem; margin: 1.75rem 0 0; font-size: .82rem; color: var(--muted); }
.dark .legend { color: var(--on-dark-3); }
.legend li { display: flex; gap: .55rem; align-items: center; }
.light .legend { margin: 0 0 2rem; }

/* ---------- Cards ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.25rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1.25rem; }
.card { position: relative; display: flex; flex-direction: column; padding: 1.6rem; border-radius: var(--radius); background: var(--white); border: 1px solid var(--line); transition: transform .25s ease, box-shadow .25s ease, border-color .25s; }
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: rgba(47, 123, 255, .35); }
.card h3 { margin: 1rem 0 .5rem; font-size: 1.12rem; }
.card h3 a { color: var(--ink); text-decoration: none; }
.card p { color: var(--muted); font-size: .93rem; }
.card .card-icon + h3 { margin-top: 1.1rem; }
.stretched::after { content: ""; position: absolute; inset: 0; border-radius: inherit; }
.card-link { margin-top: auto; display: inline-flex; gap: .4rem; align-items: center; font-weight: 600; font-size: .88rem; color: var(--blue-600); }
.card-link .icon { width: 16px; height: 16px; transition: transform .2s; }
.card:hover .card-link .icon, .proj-card:hover .card-link .icon { transform: translateX(3px); }
.chips { display: flex; flex-wrap: wrap; gap: .45rem; }
.chip { display: inline-flex; padding: .32rem .75rem; border-radius: 999px; font-size: .8rem; font-weight: 500; background: var(--paper); border: 1px solid var(--line); color: var(--ink-2); }
.dark .chip, .darker .chip, .page-hero .chip { background: rgba(255, 255, 255, .05); border-color: var(--line-dark-2); color: var(--on-dark); }
.chips-sm .chip { font-size: .74rem; padding: .22rem .6rem; }
.card .chips { margin-top: auto; padding-top: .5rem; }
.center-chips { justify-content: center; }

/* ---------- Projects ---------- */
.proj-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; }
.proj-card {
  position: relative; display: flex; flex-direction: column; padding: clamp(1.4rem, 3vw, 2rem); border-radius: 20px;
  background: linear-gradient(180deg, rgba(255, 255, 255, .04), rgba(255, 255, 255, .015)); border: 1px solid var(--line-dark);
  transition: transform .25s, border-color .25s, box-shadow .25s; overflow: hidden;
}
.proj-card::before { content: ""; position: absolute; inset: 0 0 auto; height: 2px; background: var(--grad); opacity: .0; transition: opacity .25s; }
.proj-card:hover { transform: translateY(-3px); border-color: rgba(34, 211, 238, .4); box-shadow: 0 30px 60px -30px rgba(0, 0, 0, .8); }
.proj-card:hover::before { opacity: 1; }
.proj-card:first-child { grid-column: 1 / -1; }
.proj-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; }
.proj-num { font: 500 .8rem var(--font-mono); color: var(--cyan); }
.proj-sector { font-size: .74rem; letter-spacing: .08em; text-transform: uppercase; color: var(--on-dark-3); font-weight: 600; }
.proj-org { font-weight: 700; color: var(--cyan-300); margin-bottom: .35rem; font-size: .95rem; }
.proj-card h3 { font-size: clamp(1.15rem, 2vw, 1.4rem); margin-bottom: .6rem; }
.proj-card h3 a { color: #fff; text-decoration: none; }
.proj-role { display: flex; gap: .45rem; align-items: center; font-size: .85rem; color: var(--on-dark-3); }
.proj-role .icon { width: 15px; height: 15px; }
.proj-teaser { color: var(--on-dark-2); font-size: .95rem; }
.proj-hl { display: flex; flex-wrap: wrap; gap: .45rem; margin: .25rem 0 1.25rem; }
.proj-hl li { font-size: .76rem; padding: .28rem .65rem; border-radius: 999px; background: rgba(47, 123, 255, .12); color: #BFD5FF; border: 1px solid rgba(47, 123, 255, .25); }
.proj-card .card-link { color: var(--cyan); }

/* ---------- Architecture explorer ---------- */
.arch-flow { display: grid; grid-template-columns: repeat(8, minmax(0, 1fr)); gap: .6rem; margin-bottom: 1.25rem; counter-reset: st; }
.arch-node {
  position: relative; display: flex; flex-direction: column; align-items: center; gap: .35rem; padding: 1rem .5rem; border-radius: 14px;
  border: 1px solid var(--line-dark); background: rgba(255, 255, 255, .02); color: var(--on-dark-2); cursor: pointer;
  font: 600 .85rem var(--font-body); transition: all .2s;
}
.arch-node:not(:last-child)::after {
  content: ""; position: absolute; right: -.55rem; top: 50%; width: .5rem; height: 2px; background: var(--grad); opacity: .7;
}
.arch-node .icon { width: 22px; height: 22px; color: var(--on-dark-3); }
.arch-num { font: 500 .68rem var(--font-mono); color: var(--on-dark-3); }
.arch-node:hover { color: #fff; border-color: var(--line-dark-2); }
.arch-node[aria-selected="true"] { color: #fff; border-color: var(--cyan); background: linear-gradient(160deg, rgba(47, 123, 255, .22), rgba(34, 211, 238, .1)); box-shadow: 0 10px 30px -12px rgba(34, 211, 238, .5); }
.arch-node[aria-selected="true"] .icon { color: var(--cyan); }
.st-bronze .icon { color: var(--bronze) !important; } .st-silver .icon { color: var(--silver) !important; } .st-gold .icon { color: var(--gold) !important; }
.arch-panel { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: 1.5rem; padding: clamp(1.25rem, 3vw, 2rem); border-radius: 20px; border: 1px solid var(--line-dark); background: rgba(255, 255, 255, .02); animation: fadeUp .35s both; }
.arch-panel + .arch-panel { margin-top: 1rem; }
.js .arch-panel + .arch-panel { margin-top: 0; }
.arch-step { font: 500 .78rem var(--font-mono); color: var(--cyan); margin-bottom: .5rem; }
.arch-copy h3 { font-size: 1.5rem; color: #fff; }
.arch-copy h4 { color: #fff; margin-top: 1.25rem; }
.arch-copy p { color: var(--on-dark-2); }
.code-card { border-radius: 14px; overflow: hidden; background: #050B1A; border: 1px solid var(--line-dark-2); align-self: start; min-width: 0; }
.code-head { display: flex; align-items: center; gap: .75rem; padding: .65rem 1rem; border-bottom: 1px solid var(--line-dark); font: 500 .72rem var(--font-mono); color: var(--on-dark-3); letter-spacing: .04em; }
.dots { display: inline-flex; gap: 5px; } .dots i { width: 9px; height: 9px; border-radius: 50%; background: #2A3A60; display: block; }
.dots i:first-child { background: #F26D6D; } .dots i:nth-child(2) { background: #F2C96A; } .dots i:nth-child(3) { background: #34D399; }
.code-card pre { margin: 0; padding: 1rem 1.1rem; overflow-x: auto; font: 400 .8rem/1.65 var(--font-mono); color: #CFE0FF; tab-size: 2; }
.code-card code { background: none; padding: 0; font-size: inherit; color: inherit; }

/* ---------- Flow diagram (case studies) ---------- */
.flow-fig { margin: 0; }
.flow { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(0, 1fr); gap: 1.4rem; padding: 1.5rem; border-radius: 20px; background: var(--navy-900); border: 1px solid var(--navy-700); position: relative; overflow: hidden; }
.flow::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(148, 175, 230, .05) 1px, transparent 1px), linear-gradient(90deg, rgba(148, 175, 230, .05) 1px, transparent 1px); background-size: 28px 28px; pointer-events: none; }
.flow-col { position: relative; padding: 1rem .9rem; border-radius: 14px; background: rgba(255, 255, 255, .04); border: 1px solid var(--line-dark-2); color: var(--on-dark); --tone: var(--blue); border-top: 3px solid var(--tone); }
.flow-col:not(:last-child)::after {
  content: ""; position: absolute; right: -1.15rem; top: 50%; width: .9rem; height: .9rem; transform: translateY(-50%);
  background: no-repeat center/contain url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2322D3EE' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12h14'/%3E%3Cpath d='m12 5 7 7-7 7'/%3E%3C/svg%3E");
}
.flow-title { display: flex; align-items: center; gap: .45rem; font: 700 .82rem var(--font-head); letter-spacing: .04em; text-transform: uppercase; color: #fff; margin-bottom: .6rem; }
.flow-dot { flex: none; width: 8px; height: 8px; border-radius: 50%; background: var(--tone); box-shadow: 0 0 10px var(--tone); }
.flow-col ul { display: grid; gap: .35rem; }
.flow-col li { font-size: .78rem; color: var(--on-dark-2); padding: .3rem .5rem; border-radius: 6px; background: rgba(255, 255, 255, .04); line-height: 1.35; }
.tone-source { --tone: #8193B4; } .tone-ingest { --tone: #2F7BFF; } .tone-bronze { --tone: var(--bronze); } .tone-silver { --tone: var(--silver); }
.tone-gold { --tone: var(--gold); } .tone-serve { --tone: #22D3EE; } .tone-consume { --tone: #34D399; } .tone-govern { --tone: #A78BFA; }
.flow-fig figcaption { font-size: .8rem; color: var(--muted); margin-top: .75rem; }

/* ---------- Tech ---------- */
.tech-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; }
.tech-group { padding: 1.5rem; border-radius: var(--radius); border: 1px solid var(--line); background: var(--paper); }
.tech-group:first-child, .tech-group:nth-child(3) { grid-row: span 2; }
.tech-group h3 { display: flex; align-items: center; gap: .55rem; font-size: 1.05rem; margin-bottom: 1rem; }
.tech-group h3 .icon { color: var(--blue-600); }
.tools { display: grid; gap: .5rem; }
.tool { display: flex; align-items: center; gap: .8rem; padding: .6rem .75rem; border-radius: 12px; background: var(--white); border: 1px solid var(--line); transition: border-color .2s, transform .2s; }
.tool:hover { border-color: rgba(47, 123, 255, .4); transform: translateX(2px); }
.tool-mark { display: grid; place-items: center; width: 40px; height: 40px; flex: none; border-radius: 10px; font: 700 .7rem var(--font-mono); color: #fff; background: linear-gradient(135deg, var(--navy-800), var(--navy-700)); letter-spacing: -.02em; }
.tool-delivered .tool-mark { background: linear-gradient(135deg, #1747A6, #1A8FB0); }
.tool-body { display: flex; flex-direction: column; min-width: 0; flex: 1; }
.tool-name { font-weight: 600; font-size: .92rem; }
.tool-where { font-size: .76rem; color: var(--muted); }

/* ---------- Timeline ---------- */
.timeline { position: relative; display: grid; gap: 1.25rem; }
.timeline::before { content: ""; position: absolute; left: 11px; top: 8px; bottom: 8px; width: 2px; background: linear-gradient(var(--cyan), rgba(47, 123, 255, .1)); }
.tl-item { position: relative; padding-left: 2.75rem; }
.tl-marker { position: absolute; left: 3px; top: 1.6rem; width: 18px; height: 18px; border-radius: 50%; background: var(--navy-900); border: 3px solid var(--blue); }
.tl-item.is-current .tl-marker { border-color: var(--cyan); box-shadow: 0 0 0 6px rgba(34, 211, 238, .15); }
.tl-card { padding: clamp(1.25rem, 3vw, 1.75rem); border-radius: 18px; border: 1px solid var(--line-dark); background: rgba(255, 255, 255, .025); }
.tl-head { display: flex; justify-content: space-between; gap: 1rem; align-items: flex-start; }
.tl-period { display: flex; flex-wrap: wrap; align-items: center; gap: .45rem; font: 500 .8rem var(--font-mono); color: var(--cyan); margin-bottom: .45rem; }
.tl-period .icon { width: 14px; height: 14px; }
.tl-now { font: 700 .65rem var(--font-body); letter-spacing: .08em; text-transform: uppercase; padding: .15rem .5rem; border-radius: 999px; background: rgba(16, 185, 129, .15); color: #34D399; }
.tl-card h3 { color: #fff; margin-bottom: .2rem; font-size: 1.2rem; }
.tl-org { color: var(--on-dark-2); font-weight: 500; margin: 0; font-size: .92rem; }
.tl-case { display: inline-flex; align-items: center; gap: .3rem; font-size: .82rem; font-weight: 600; color: var(--cyan); text-decoration: none; white-space: nowrap; padding: .35rem .7rem; border: 1px solid var(--line-dark-2); border-radius: 999px; }
.tl-case:hover { color: #fff; border-color: var(--cyan); }
.tl-case .icon { width: 14px; height: 14px; }
.tl-summary { margin: 1rem 0 .6rem; color: #fff; font-weight: 600; }
.tl-text { color: var(--on-dark-2); font-size: .93rem; }
.tl-group { margin-top: 1rem; }
.tl-group h4 { font-size: .78rem; letter-spacing: .1em; text-transform: uppercase; color: var(--cyan-300); margin-bottom: .5rem; }
.tl-group ul { display: grid; gap: .45rem; }
.tl-group li { position: relative; padding-left: 1.1rem; color: var(--on-dark-2); font-size: .93rem; }
.tl-group li::before { content: ""; position: absolute; left: 0; top: .62em; width: 6px; height: 6px; border-radius: 2px; background: var(--blue); }
.tl-card .chips { margin-top: 1.1rem; }

/* ---------- Certifications ---------- */
.certs { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1rem; }
.cert { display: flex; gap: .9rem; align-items: center; padding: 1.1rem 1.2rem; border-radius: 14px; background: var(--white); border: 1px solid var(--line); }
.cert strong { display: block; font-size: .93rem; line-height: 1.35; }
.cert small { color: var(--muted); font-size: .8rem; }
.edu { display: flex; gap: 1rem; align-items: flex-start; margin-top: 1.5rem; padding: 1.5rem; border-radius: var(--radius); background: var(--navy-900); color: var(--on-dark); }
.edu .eyebrow { margin-bottom: .3rem; color: var(--cyan); }
.edu h3 { color: #fff; margin-bottom: .25rem; }
.edu p { margin: 0; color: var(--on-dark-2); }
.edu .muted { color: var(--on-dark-3); font-size: .9rem; }
.edu .cert-icon { background: rgba(34, 211, 238, .12); color: var(--cyan); }

/* ---------- Insights ---------- */
.post-meta { display: flex; justify-content: space-between; gap: .5rem; font-size: .78rem; color: var(--muted); margin: 0; }
.post-cat { display: inline-flex; padding: .15rem .6rem; border-radius: 999px; background: rgba(47, 123, 255, .1); color: var(--blue-600); font-weight: 600; font-size: .74rem; }
.page-hero .post-cat { background: rgba(34, 211, 238, .12); color: var(--cyan-300); }
.post-card h3 { margin-top: .9rem; }
.post-date { display: flex; justify-content: space-between; align-items: center; margin: auto 0 0; padding-top: .75rem; font-size: .8rem; color: var(--muted); }
.filters { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 2rem; }
.filter { padding: .5rem 1rem; border-radius: 999px; border: 1px solid var(--line); background: var(--white); color: var(--ink-2); font: 600 .85rem var(--font-body); cursor: pointer; }
.filter:hover { border-color: var(--blue); color: var(--blue-600); }
.filter.is-active { background: var(--navy-900); color: #fff; border-color: var(--navy-900); }
.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.prose { max-width: 740px; font-size: 1.05rem; color: var(--ink-2); min-width: 0; }
.prose h2 { font-size: 1.55rem; margin-top: 2.25rem; color: var(--ink); }
.prose h3 { font-size: 1.2rem; margin-top: 1.75rem; color: var(--ink); }
.prose ul, .prose ol { margin: 0 0 1.25rem; display: grid; gap: .5rem; }
.prose ul li { position: relative; padding-left: 1.3rem; }
.prose ul li::before { content: ""; position: absolute; left: .2rem; top: .7em; width: 6px; height: 6px; border-radius: 2px; background: var(--blue); }
.prose ol { counter-reset: li; }
.prose ol li { counter-increment: li; position: relative; padding-left: 2rem; }
.prose ol li::before { content: counter(li); position: absolute; left: 0; top: .1rem; width: 1.45rem; height: 1.45rem; border-radius: 50%; display: grid; place-items: center; font: 700 .72rem var(--font-mono); background: rgba(47, 123, 255, .1); color: var(--blue-600); }
.prose ul.chips { display: flex; gap: .45rem; margin-top: 1rem; }
.prose ul.chips li { padding-left: .6rem; }
.prose ul.chips li::before { display: none; }
.prose blockquote { margin: 1.5rem 0; padding: 1rem 1.25rem; border-left: 3px solid var(--cyan); background: var(--paper); border-radius: 0 12px 12px 0; }
.prose .code-card { margin: 1.25rem 0 1.5rem; }
.table-wrap { overflow-x: auto; margin: 1.25rem 0 1.5rem; border: 1px solid var(--line); border-radius: 12px; }
.prose table { width: 100%; border-collapse: collapse; font-size: .93rem; }
.prose th, .prose td { padding: .7rem .9rem; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
.prose th { background: var(--paper); font-weight: 600; color: var(--ink); }
.prose tr:last-child td { border-bottom: 0; }
.author-box { display: flex; gap: 1rem; align-items: center; margin: 2.5rem 0 1.25rem; padding: 1.25rem; border-radius: var(--radius); background: var(--paper); border: 1px solid var(--line); }
.author-box img { border-radius: 50%; width: 64px; height: 64px; object-fit: cover; flex: none; }
.author-box p { margin: 0 0 .2rem; font-size: .9rem; }
.article-side { position: sticky; top: calc(var(--header-h) + 20px); display: grid; gap: 1rem; }
.toc ul { display: grid; gap: .35rem; border-left: 2px solid var(--line); }
.toc a { display: block; padding: .2rem 0 .2rem .9rem; font-size: .88rem; color: var(--muted); text-decoration: none; margin-left: -2px; border-left: 2px solid transparent; }
.toc a:hover { color: var(--blue-600); border-left-color: var(--blue); }
.toc .toc-l3 a { padding-left: 1.6rem; font-size: .83rem; }

/* ---------- Side cards / services ---------- */
.side-card { padding: 1.4rem; border-radius: var(--radius); border: 1px solid var(--line); background: var(--white); box-shadow: var(--shadow); }
.side-card h3 { font-size: 1.1rem; }
.side-card p { color: var(--muted); font-size: .92rem; }
.side-card .btn { width: 100%; margin-top: .5rem; }
.side-card.mini { margin-top: 1.25rem; padding: 1rem; box-shadow: none; }
.side-card.mini .btn { padding-inline: .8rem; font-size: .85rem; margin-top: 0; }
.side-list ul { display: grid; gap: .2rem; }
.side-list a { display: flex; gap: .6rem; align-items: center; padding: .45rem .3rem; border-radius: 8px; color: var(--ink-2); text-decoration: none; font-size: .9rem; }
.side-list a:hover { background: var(--paper); color: var(--blue-600); }
.side-list .icon { width: 16px; height: 16px; color: var(--blue); }
.svc-layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: clamp(2rem, 5vw, 3.5rem); align-items: start; }
.svc-side { position: sticky; top: calc(var(--header-h) + 20px); display: grid; gap: 1rem; }
.svc-main { display: grid; gap: 1.25rem; }
.svc-block { padding: clamp(1.25rem, 3vw, 1.75rem); border-radius: 18px; border: 1px solid var(--line); background: var(--white); }
.svc-block h2 { display: flex; align-items: center; gap: .65rem; font-size: 1.3rem; margin-bottom: 1rem; }
.svc-block h2 .icon { width: 22px; height: 22px; color: var(--blue-600); }
.svc-split { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.svc-value { background: linear-gradient(160deg, #F2F8FF, #EFFBFD); border-color: #CFE3FA; }
.tick-list { display: grid; gap: .6rem; }
.tick-list li { display: flex; gap: .65rem; align-items: flex-start; color: var(--ink-2); }
.tick-list .icon { width: 18px; height: 18px; color: var(--ok); margin-top: 3px; }
.tick-list.warn .icon { color: var(--blue); }
.steps { display: grid; gap: .75rem; }
.steps li { display: flex; gap: .9rem; align-items: flex-start; padding: .8rem 1rem; border-radius: 12px; background: var(--paper); }
.step-n { font: 600 .78rem var(--font-mono); color: var(--blue-600); background: rgba(47, 123, 255, .1); border-radius: 8px; padding: .25rem .5rem; flex: none; }
.related { display: grid; gap: .6rem; }
.related a { display: flex; align-items: center; gap: .9rem; padding: .9rem 1rem; border-radius: 12px; border: 1px solid var(--line); text-decoration: none; color: var(--ink); transition: border-color .2s; }
.related a:hover { border-color: var(--blue); }
.related a > span { flex: 1; min-width: 0; }
.related strong { display: block; }
.related small { color: var(--muted); }
.related .icon { color: var(--blue); }
.next-row, .pager { display: flex; justify-content: space-between; gap: 1rem; margin-top: 2.5rem; flex-wrap: wrap; }
.next-row { justify-content: flex-end; }
.next-link { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: .1rem 1rem; padding: 1rem 1.25rem; border-radius: 14px; border: 1px solid var(--line); text-decoration: none; color: var(--ink); min-width: min(100%, 300px); max-width: 100%; transition: border-color .2s; }
.next-link:hover { border-color: var(--blue); color: var(--ink); }
.next-link small { color: var(--muted); grid-column: 1; }
.next-link strong { grid-column: 1; }
.next-link .icon { grid-column: 2; grid-row: 1 / span 2; color: var(--blue); }
.next-link.prev { grid-template-columns: auto 1fr; }
.next-link.prev small, .next-link.prev strong { grid-column: 2; }
.next-link.prev .icon { grid-column: 1; }
.pager .next-link:only-child:not(.prev) { margin-left: auto; }

/* ---------- Case study ---------- */
.case-layout { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.case-toc { position: sticky; top: calc(var(--header-h) + 20px); }
.case-toc ul { display: grid; gap: .1rem; border-left: 2px solid var(--line); }
.case-toc a { display: block; padding: .3rem 0 .3rem .9rem; margin-left: -2px; border-left: 2px solid transparent; color: var(--muted); text-decoration: none; font-size: .88rem; }
.case-toc a:hover, .case-toc a.is-active { color: var(--blue-600); border-left-color: var(--blue); }
.case-body { min-width: 0; }
.case-sec { padding-bottom: 2.75rem; margin-bottom: 2.75rem; border-bottom: 1px solid var(--line); }
.case-sec h2 { font-size: 1.6rem; }
.icon-list { display: grid; gap: .75rem; }
.icon-list li { display: flex; gap: .75rem; align-items: flex-start; color: var(--ink-2); }
.icon-list .icon { color: var(--blue); margin-top: 4px; }
.impl { display: grid; gap: 1rem; }
.impl li { display: flex; gap: 1rem; padding: 1.1rem 1.25rem; border-radius: 14px; border: 1px solid var(--line); background: var(--paper); }
.impl h3 { font-size: 1.02rem; margin-bottom: .3rem; }
.impl p { margin: 0; color: var(--muted); font-size: .94rem; }
.outcomes { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 1rem; }
.outcome { padding: 1.25rem; border-radius: 16px; background: var(--navy-900); color: var(--on-dark); }
.outcome strong { display: block; font: 700 1.9rem/1.1 var(--font-head); background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; margin-bottom: .4rem; }
.outcome span { font-size: .86rem; color: var(--on-dark-2); }
.confidential { display: flex; gap: .6rem; align-items: flex-start; font-size: .85rem; color: var(--muted); padding: 1rem 1.2rem; border-radius: 12px; background: var(--paper); border: 1px dashed var(--line); }
.confidential .icon { margin-top: 2px; color: var(--blue); }

/* ---------- Demo ---------- */
.demo-card { padding: clamp(1.25rem, 3vw, 1.75rem); border-radius: 18px; background: var(--navy-900); color: var(--on-dark); border: 1px solid var(--navy-700); }
.demo-head { display: flex; justify-content: space-between; gap: 1rem; align-items: flex-start; margin-bottom: .75rem; }
.demo-head h3 { color: #fff; margin: 0; font-size: 1.1rem; }
.demo-tag { flex: none; font-size: .68rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; padding: .25rem .6rem; border-radius: 999px; color: #F2C96A; border: 1px solid rgba(231, 185, 76, .4); background: rgba(231, 185, 76, .1); }
.demo-sub { color: var(--on-dark-2); font-size: .93rem; }
.demo-card code { background: rgba(34, 211, 238, .1); color: var(--cyan-300); }
.demo-card .fine { color: var(--on-dark-3); }
.calc-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .9rem; margin: 1.25rem 0; }
.calc-grid label { display: grid; gap: .35rem; font-size: .8rem; color: var(--on-dark-2); font-weight: 500; }
.calc-grid input { width: 100%; height: 46px; padding: 0 .9rem; border-radius: 10px; border: 1px solid var(--line-dark-2); background: rgba(255, 255, 255, .05); color: #fff; font: 600 1rem var(--font-mono); }
.calc-grid input:focus { border-color: var(--cyan); outline: none; box-shadow: 0 0 0 3px rgba(34, 211, 238, .25); }
.calc-out, .mock-kpis { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .9rem; }
.calc-out > div, .mock-kpi { padding: 1rem; border-radius: 12px; background: rgba(255, 255, 255, .04); border: 1px solid var(--line-dark); }
.calc-out small, .mock-kpi small { display: block; font-size: .75rem; color: var(--on-dark-3); margin-bottom: .25rem; }
.calc-out strong, .mock-kpi strong { font: 700 1.3rem var(--font-head); color: #fff; }
.calc-out .is-neg { color: #FF8A8A; } .calc-out .is-pos { color: #34D399; }
.mock-bars { display: grid; gap: .65rem; margin-top: 1.25rem; }
.mock-bars li { display: grid; grid-template-columns: 170px minmax(0, 1fr) 44px; gap: .75rem; align-items: center; font-size: .85rem; color: var(--on-dark-2); }
.mock-track { height: 10px; border-radius: 999px; background: rgba(255, 255, 255, .06); overflow: hidden; }
.mock-bar { display: block; height: 100%; width: var(--w); border-radius: inherit; background: var(--grad); transform-origin: left; animation: barIn 1.2s cubic-bezier(.2, .8, .2, 1) both; }
@keyframes barIn { from { transform: scaleX(0); } to { transform: scaleX(1); } }
.mock-val { font: 600 .8rem var(--font-mono); color: #fff; text-align: right; }

/* ---------- Collaboration CTA ---------- */
.collab { position: relative; overflow: hidden; color: var(--on-dark); padding-block: clamp(4.5rem, 10vw, 7.5rem); isolation: isolate; background: #061024; }
.collab-bg { position: absolute; inset: 0; z-index: -1; background: radial-gradient(800px 500px at 10% 0%, rgba(47, 123, 255, .35), transparent 60%), radial-gradient(700px 500px at 100% 100%, rgba(34, 211, 238, .22), transparent 60%), linear-gradient(135deg, #061024, #0A1A40); }
.collab-bg::after { content: ""; position: absolute; inset: 0; background-image: radial-gradient(rgba(148, 175, 230, .18) 1px, transparent 1px); background-size: 24px 24px; mask-image: linear-gradient(90deg, transparent, #000 40%, #000 60%, transparent); -webkit-mask-image: linear-gradient(90deg, transparent, #000 40%, #000 60%, transparent); opacity: .5; }
.collab-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.collab h2 { color: #fff; font-size: clamp(1.9rem, 3.8vw, 2.8rem); }
.collab-lead { color: var(--on-dark-2); font-size: 1.08rem; }
.collab-card { padding: clamp(1.5rem, 3vw, 2rem); border-radius: 22px; background: rgba(255, 255, 255, .05); border: 1px solid var(--line-dark-2); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
.collab-card h3 { color: #fff; font-size: 1.15rem; margin-bottom: 1rem; }
.collab-list { display: grid; gap: .55rem; }
.collab-list li { display: flex; gap: .65rem; align-items: flex-start; font-size: .95rem; color: var(--on-dark); }
.collab-list .icon { color: var(--cyan); margin-top: 3px; }
.collab-list.compact li { color: var(--ink-2); font-size: .9rem; }
.collab-list.compact .icon { color: var(--ok); }
.collab-note { display: flex; gap: .6rem; margin: 1.25rem 0 0; padding-top: 1.1rem; border-top: 1px solid var(--line-dark); font-size: .82rem; color: var(--on-dark-3); }
.collab-note .icon { width: 16px; height: 16px; margin-top: 2px; color: var(--cyan); }

/* ---------- Contact ---------- */
.contact-home-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.contact-home h2 { color: #fff; }
.contact-cards { display: grid; gap: .65rem; }
.contact-card { display: flex; gap: .9rem; align-items: center; padding: .9rem 1rem; border-radius: 14px; border: 1px solid var(--line); background: var(--white); color: var(--ink); text-decoration: none; transition: border-color .2s, transform .2s; min-width: 0; }
a.contact-card:hover { border-color: var(--blue); transform: translateX(2px); color: var(--ink); }
.contact-card small { display: block; color: var(--muted); font-size: .76rem; }
.contact-card strong { display: block; font-size: .95rem; word-break: break-word; }
.contact-card > span:last-child { min-width: 0; }
.dark .contact-card { background: rgba(255, 255, 255, .03); border-color: var(--line-dark); color: var(--on-dark); }
.dark a.contact-card:hover { border-color: var(--cyan); color: #fff; }
.dark .contact-card small { color: var(--on-dark-3); }
.dark .cc-icon { color: var(--cyan); }
.contact-layout { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: clamp(2rem, 5vw, 3.5rem); align-items: start; }
.contact-side { display: grid; gap: 1rem; }
.contact-side .side-card { box-shadow: none; }
.contact-side .contact-card { padding: .7rem .8rem; }
.stack { display: grid; gap: .5rem; }
.stack .btn { justify-content: flex-start; }
.btn-cv { white-space: normal; text-align: left; }
.cv-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; text-align: left; }
.cv-card { display: flex; gap: 1rem; align-items: center; padding: 1.25rem; border-radius: var(--radius); border: 1px solid var(--line); text-decoration: none; color: var(--ink); background: var(--paper); transition: border-color .2s, transform .2s; }
.cv-card:hover { border-color: var(--blue); transform: translateY(-2px); color: var(--ink); }
.cv-card > span:nth-child(2) { flex: 1; }
.cv-card strong { display: block; }
.cv-card small { color: var(--muted); font-size: .82rem; }
.cv-card > .icon { color: var(--blue); }

/* ---------- Form ---------- */
.inquiry { margin-top: 1.75rem; padding: clamp(1.25rem, 3vw, 2rem); border-radius: 20px; border: 1px solid var(--line); background: var(--paper); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem 1.25rem; }
.field { display: grid; gap: .4rem; align-content: start; }
.field-full { grid-column: 1 / -1; }
.field label { font-weight: 600; font-size: .9rem; color: var(--ink); }
.req { color: var(--err); }
.opt { color: var(--muted); font-weight: 400; }
.field input, .field select, .field textarea {
  width: 100%; min-height: 48px; padding: .7rem .9rem; border-radius: 12px; border: 1.5px solid var(--line); background: var(--white);
  font: 400 1rem var(--font-body); color: var(--ink); transition: border-color .2s, box-shadow .2s; appearance: none; -webkit-appearance: none;
}
.field select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2356657F' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right .8rem center; background-size: 18px; padding-right: 2.5rem; }
.field textarea { resize: vertical; min-height: 150px; line-height: 1.55; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 4px rgba(47, 123, 255, .15); }
.field [aria-invalid="true"] { border-color: var(--err); box-shadow: 0 0 0 4px rgba(229, 72, 77, .1); }
.err { margin: 0; min-height: 0; font-size: .82rem; color: #C2353A; font-weight: 500; }
.err:empty { display: none; }
.hint { margin: 0; font-size: .78rem; color: var(--muted); }
.check { display: flex !important; gap: .65rem; align-items: flex-start; font-weight: 400 !important; font-size: .9rem !important; color: var(--ink-2) !important; cursor: pointer; }
.check input { width: 20px !important; height: 20px; min-height: 0 !important; padding: 0 !important; margin-top: 2px; flex: none; accent-color: var(--blue); appearance: auto !important; -webkit-appearance: checkbox !important; }
.hp { position: absolute !important; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form-foot { display: flex; flex-wrap: wrap; gap: 1rem 1.5rem; align-items: center; margin-top: 1.5rem; }
.form-foot .fine { margin: 0; }
.btn[disabled] { opacity: .7; cursor: progress; transform: none; }
.form-alert { margin-top: 1.25rem; padding: 1rem 1.2rem; border-radius: 12px; background: #FFF1F1; border: 1px solid #F5C2C4; color: #8E1E22; font-size: .93rem; }
.form-alert a { color: #8E1E22; font-weight: 600; }
.form-success { margin-top: 1.75rem; padding: clamp(1.5rem, 4vw, 2.5rem); border-radius: 20px; background: linear-gradient(160deg, #ECFDF5, #F0F9FF); border: 1px solid #A7F3D0; text-align: center; }
.form-success h3 { font-size: 1.4rem; }
.success-icon { display: inline-grid; place-items: center; width: 64px; height: 64px; border-radius: 50%; background: #D1FAE5; color: #059669; margin-bottom: 1rem; }
.success-icon .icon { width: 32px; height: 32px; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-950); color: var(--on-dark-2); padding-top: clamp(3.5rem, 7vw, 5rem); border-top: 1px solid var(--line-dark); }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1.2fr 1.2fr; gap: 2.5rem; }
.footer-tagline { margin: 1.25rem 0; font-size: .95rem; color: var(--on-dark-2); max-width: 320px; }
.social-row { display: flex; gap: .5rem; }
.icon-btn { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 12px; border: 1px solid var(--line-dark-2); color: var(--on-dark); transition: all .2s; }
.icon-btn:hover { color: var(--cyan); border-color: var(--cyan); }
.footer-h { font: 700 .75rem var(--font-body); letter-spacing: .14em; text-transform: uppercase; color: #fff; margin-bottom: 1rem; }
.footer-h-sm { margin-top: 1.5rem; }
.footer-links { display: grid; gap: .5rem; }
.footer-links a, .footer-links span { color: var(--on-dark-2); text-decoration: none; font-size: .9rem; display: inline-flex; gap: .5rem; align-items: center; word-break: break-word; }
.footer-links a:hover { color: var(--cyan); }
.footer-contact .icon { width: 15px; height: 15px; color: var(--cyan); }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .5rem 2rem; margin-top: 3rem; padding-block: 1.5rem; border-top: 1px solid var(--line-dark); font-size: .8rem; color: var(--on-dark-3); }
.footer-bottom p { margin: 0; }

/* ---------- Reveal animation ---------- */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s cubic-bezier(.2, .7, .2, 1) var(--d, 0ms), transform .7s cubic-bezier(.2, .7, .2, 1) var(--d, 0ms); }
.js .reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1180px) {
  .primary-nav { display: none; }
  .nav-actions { margin-left: auto; }
  .metrics { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .arch-flow { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .arch-node:nth-child(4)::after { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 980px) {
  .hero-grid, .collab-grid, .contact-home-grid, .about-grid, .contact-layout, .svc-layout, .article-layout, .case-layout { grid-template-columns: minmax(0, 1fr); }
  .hero-visual { max-width: 560px; }
  .about-photo { display: flex; gap: 1.5rem; align-items: center; flex-wrap: wrap; }
  .photo-frame { max-width: 200px; }
  .about-card { margin-top: 0; }
  .xp { grid-template-columns: minmax(0, 1fr); }
  .xp-tabs { position: static; flex-direction: row; overflow-x: auto; padding-bottom: .4rem; scroll-snap-type: x mandatory; }
  .xp-tab { flex: none; width: auto; scroll-snap-align: start; }
  .grid-3, .pillars { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .arch-panel { grid-template-columns: minmax(0, 1fr); }
  .flow { grid-auto-flow: row; grid-auto-columns: auto; grid-template-columns: minmax(0, 1fr); gap: 1.4rem; }
  .flow-col:not(:last-child)::after { right: auto; left: 50%; top: auto; bottom: -1.2rem; transform: translateX(-50%) rotate(90deg); }
  .flow-col ul { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); }
  .case-toc, .svc-side, .article-side { position: static; }
  .case-toc ul { display: flex; flex-wrap: wrap; gap: .35rem; border: 0; }
  .case-toc a { border: 1px solid var(--line); border-radius: 999px; padding: .3rem .75rem; margin: 0; font-size: .8rem; }
  .tech-grid { grid-template-columns: minmax(0, 1fr); }
  .tech-group:first-child, .tech-group:nth-child(3) { grid-row: auto; }
  .facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .mm-grid { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 720px) {
  :root { --header-h: 64px; }
  .brand-text small { display: none; }
  .nav-cta { display: none; }
  .metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-3, .grid-4, .pillars, .proj-grid, .xp-items, .form-grid, .svc-split, .calc-grid, .calc-out, .mock-kpis, .cv-cards, .mm-list { grid-template-columns: minmax(0, 1fr); }
  .proj-card:first-child { grid-column: auto; }
  .arch-flow { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .arch-node::after { display: none; }
  .arch-node { flex-direction: row; justify-content: flex-start; padding: .7rem .8rem; }
  .jr-item { grid-template-columns: minmax(0, 1fr); gap: .4rem; }
  .tl-head { flex-direction: column; }
  .footer-grid { grid-template-columns: minmax(0, 1fr); gap: 2rem; }
  .mock-bars li { grid-template-columns: 110px minmax(0, 1fr) 36px; font-size: .78rem; }
  .cta-row .btn { flex: 1 1 100%; }
  .hero-cv .btn { flex: 1 1 100%; justify-content: flex-start; }
  .form-foot .btn { width: 100%; }
  .facts { grid-template-columns: minmax(0, 1fr); }
  .next-link { min-width: 100%; }
  .demo-head { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  .js .reveal { opacity: 1; transform: none; }
  .hv-flow { display: none; }
}

@media print {
  .site-header, .site-footer, .collab, .cta-row, .hero-visual, .menu-btn { display: none !important; }
  body, main, .section, .hero, .page-hero { background: #fff !important; color: #000 !important; }
  .js .reveal { opacity: 1 !important; transform: none !important; }
}