/* ==========================================================================
   23 Flow — Design System "Flow Editorial"  (see DESIGN.md)
   Own language: narrow heavy grotesk + italic serif accents, open editorial
   layout (rows and whitespace, not boxed cells), one red "flow line".
   Loaded AFTER style.css: section 5 re-skins legacy markup with these tokens
   so inner pages follow the system while they are migrated page by page.
   ========================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Archivo:wdth,wght@62..125,100..900&family=Instrument+Serif:ital@0;1&family=Inter:wght@400;500;600;700&family=Space+Mono:wght@400;700&display=swap');

/* ---------- 1. Tokens ---------- */
:root {
  /* Color — light (default) */
  --bg: #f6f2e9;            /* parchment */
  --bg-deep: #ece6d8;
  --surface: #fbf9f4;
  --ink: #0e0e0c;          /* 17.3:1 on --bg */
  --muted: #5a564d;        /* 6.5:1 on --bg */
  --red: #ff3b00;          /* bright vermillion: fills, buttons (ink text 5.3:1), large text, graphics */
  --red-text: #cc3300;     /* small accent text only: 4.65:1 on --bg */
  --signal: #ff3b00;       /* brand vermillion: graphics and large shapes only */
  --inv-bg: #0e0e0c;       /* inverted sections (contact, footer) */
  --inv-fg: #f6f2e9;
  --inv-accent: #ff5a28;   /* 6.2:1 on --inv-bg */
  --rule: 1px solid color-mix(in srgb, var(--ink) 85%, transparent);
  --soft-rule: 1px solid color-mix(in srgb, var(--ink) 18%, transparent);

  /* Type */
  --display: "Archivo", "Arial Narrow", sans-serif;
  --serif: "Instrument Serif", Georgia, serif;
  --text: "Inter", -apple-system, "Segoe UI", sans-serif;
  --mono: "Space Mono", ui-monospace, Menlo, monospace;
  --fs-body: 1.0625rem;
  --fs-lead: clamp(1.05rem, 1.5vw, 1.25rem);
  --fs-h3: clamp(1.4rem, 2.2vw, 1.9rem);
  --fs-h2: clamp(2.4rem, 6.5vw, 5.4rem);
  --fs-h1: clamp(3rem, 11.5vw, 10.5rem);
  --fs-mono: 0.75rem;

  /* Space (4px base) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2.5rem;
  --space-6: 4rem;
  --space-7: 7rem;
  --pad: clamp(1.1rem, 4vw, 3.5rem);
  --max: 1320px;

  /* Shape + motion */
  --radius-pill: 0;
  --ease: 0.25s ease;
}

[data-theme="dark"] {
  --bg: #0e0e0c;
  --bg-deep: #1a1a17;
  --surface: #151512;
  --ink: #f6f2e9;
  --muted: #a8a398;        /* 7.6:1 on --bg */
  --red: #ff3b00;          /* 5.4:1 on --bg */
  --red-text: #ff5a28;     /* small accent text, 6.2:1 on --bg */
  --inv-bg: #1c1c18;
  --inv-fg: #f6f2e9;
}

/* ---------- 2. Base ---------- */
html { scroll-behavior: smooth; }
body { background: var(--bg); color: var(--ink); font: 400 var(--fs-body)/1.6 var(--text); -webkit-font-smoothing: antialiased; }
:focus-visible { outline: 2px solid var(--red); outline-offset: 4px; box-shadow: none; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--pad); width: 100%; }

.d { font-family: var(--display); font-stretch: 75%; font-weight: 800; letter-spacing: -0.035em; line-height: 0.92; }
.serif { font-family: var(--serif); font-style: italic; font-weight: 400; letter-spacing: -0.01em; }
.mono { font: 400 var(--fs-mono)/1.4 var(--mono); letter-spacing: 0.04em; text-transform: uppercase; }

/* ---------- 3. Header ---------- */
.hd { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--bg) 90%, transparent); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: var(--soft-rule); }
.hd-bar { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 1.2rem; }
.mark { display: inline-flex; align-items: center; gap: .6rem; font: 800 1.35rem/1 var(--display); font-stretch: 75%; letter-spacing: -0.03em; color: var(--ink); text-decoration: none; }
.mark i { display: inline-grid; place-items: center; width: 2rem; height: 2rem; border: 1.5px solid var(--red); border-radius: 0; color: var(--red-text); font-style: normal; font-size: .95rem; font-stretch: 100%; }
.hd-nav { display: none; gap: 1.8rem; }
.hd-nav a { font-weight: 500; font-size: .95rem; position: relative; color: var(--ink); text-decoration: none; }
.hd-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -4px; height: 1.5px; background: var(--red); transition: right var(--ease); }
.hd-nav a:hover::after, .hd-nav a[aria-current="page"]::after { right: 0; }
.hd-actions { display: flex; align-items: center; gap: .9rem; }
.hd-lang { display: flex; gap: .2rem; }
.hd-lang .lang-btn { all: unset; cursor: pointer; padding: .35rem .45rem; font: 400 .72rem/1 var(--mono); letter-spacing: .04em; color: var(--muted); border-bottom: 1.5px solid transparent; }
.hd-lang .lang-btn:hover { color: var(--ink); }
.hd-lang .lang-btn.active { color: var(--ink); border-bottom-color: var(--red); }
.hd-lang .lang-btn:focus-visible { outline: 2px solid var(--red); outline-offset: 2px; }
.hd .hd-cta { display: none; }
.hd-burger { all: unset; cursor: pointer; width: 44px; height: 44px; display: grid; place-items: center; color: var(--ink); }
.hd-burger svg { width: 24px; height: 24px; }
.hd-drawer { display: none; flex-direction: column; padding: 1rem var(--pad) 1.6rem; background: var(--bg); border-bottom: var(--rule); }
.hd-drawer.is-open { display: flex; }
.hd-drawer a { padding: .85rem 0; border-bottom: var(--soft-rule); font: 800 1.5rem/1 var(--display); font-stretch: 75%; letter-spacing: -0.02em; color: var(--ink); text-decoration: none; }
.hd-drawer a:last-child { border-bottom: 0; }
@media (min-width: 700px) { .hd .hd-cta { display: inline-flex; } }
@media (min-width: 1000px) { .hd-nav { display: flex; } .hd-burger, .hd-drawer { display: none !important; } }

/* Pill CTA */
.cta { display: inline-flex; align-items: center; gap: .6rem; padding: .55rem .6rem .55rem 1.1rem; border: var(--rule); border-radius: var(--radius-pill); font: 600 .9rem/1.2 var(--text); color: var(--ink); text-decoration: none; background: transparent; cursor: pointer; transition: background var(--ease), color var(--ease); }
.cta .dot { width: 1.6rem; height: 1.6rem; border-radius: 0; background: var(--red); color: #0e0e0c; display: grid; place-items: center; font-size: .8rem; transition: transform var(--ease); }
.cta:hover { background: var(--ink); color: var(--bg); }
.cta:hover .dot { transform: rotate(-45deg); }

/* ---------- 4. Home components ---------- */
.hero { position: relative; padding: clamp(2.5rem, 7vw, 6rem) 0 0; overflow: hidden; }
.hero .meta { display: flex; justify-content: space-between; gap: 1rem; margin-bottom: clamp(1.5rem, 4vw, 3rem); color: var(--muted); }
.hero h1 { font-size: var(--fs-h1); max-width: 14ch; font-family: var(--display); font-stretch: 75%; font-weight: 800; letter-spacing: -0.035em; line-height: .92; }
.hero h1 .serif, .sec h2 .serif, .do-lead .serif { color: var(--red); font-size: 1.07em; letter-spacing: -0.02em; }
.hero-row { display: grid; gap: 1.6rem; margin-top: clamp(1.8rem, 4vw, 3rem); align-items: end; }
.hero-row p { max-width: 46ch; font-size: var(--fs-lead); color: var(--muted); }
@media (min-width: 820px) { .hero-row { grid-template-columns: 1fr auto; } }
.hero-row .cta { justify-self: start; }
.flowline { display: block; width: 100%; height: clamp(60px, 9vw, 130px); margin-top: clamp(1.5rem, 4vw, 3rem); }
.flowline path { fill: none; stroke: var(--signal); stroke-width: 2; stroke-linecap: round; stroke-dasharray: 1; stroke-dashoffset: 1; animation: draw 2.2s .3s ease forwards; }
@keyframes draw { to { stroke-dashoffset: 0; } }

.ledger { border-top: var(--rule); border-bottom: var(--soft-rule); }
.ledger .wrap { display: grid; grid-template-columns: repeat(2, 1fr); }
.ledger .cell { padding: 1.2rem 0; display: flex; flex-direction: column; gap: .2rem; }
.ledger b { font: 800 clamp(1.5rem, 3vw, 2.3rem)/1 var(--display); font-stretch: 75%; letter-spacing: -0.03em; }
.ledger b em { font-family: var(--serif); font-style: italic; font-weight: 400; color: var(--red); }
.ledger span { color: var(--muted); font-size: .9rem; }
@media (min-width: 860px) { .ledger .wrap { grid-template-columns: repeat(4, 1fr); } .ledger .cell + .cell { padding-left: 1.6rem; border-left: var(--soft-rule); } }

.sec { padding: clamp(3.5rem, 8vw, 7rem) 0 0; }
.sec-head { display: grid; gap: .8rem; margin-bottom: clamp(1.8rem, 4vw, 3.2rem); }
.sec-head h2 { font: 800 var(--fs-h2)/.92 var(--display); font-stretch: 75%; letter-spacing: -0.035em; max-width: 16ch; margin: 0; }
.sec-head .mono { color: var(--muted); }
@media (min-width: 900px) { .sec-head { grid-template-columns: 160px 1fr; align-items: start; } }

.rows { list-style: none; border-top: var(--rule); }
.row { display: grid; grid-template-columns: 2.2rem 1fr auto; gap: .4rem 1.2rem; align-items: start; padding: clamp(1.2rem, 2.4vw, 2rem) 0; border-bottom: var(--soft-rule); color: var(--ink); text-decoration: none; transition: background var(--ease), padding var(--ease), color var(--ease); }
.row:hover { background: var(--ink); color: var(--bg); padding-left: 1.2rem; padding-right: 1.2rem; }
.row .n { color: var(--muted); padding-top: .55rem; }
.row:hover .n { color: var(--bg); opacity: .7; }
.row h3 { font: 800 clamp(1.7rem, 3.6vw, 3.1rem)/.92 var(--display); font-stretch: 75%; letter-spacing: -0.035em; grid-column: 2; margin: 0; color: inherit; }
.row p { grid-column: 2; max-width: 52ch; color: var(--muted); margin: 0; }
.row:hover p { color: var(--bg); opacity: .8; }
.row .go { grid-column: 3; grid-row: 1; font-size: 1.6rem; transition: transform var(--ease), color var(--ease); align-self: center; }
.row:hover .go { transform: rotate(-45deg); color: var(--signal); }
.tag { display: inline-block; vertical-align: middle; margin-left: .6rem; padding: .25rem .6rem; border-radius: var(--radius-pill); background: var(--red); color: #0e0e0c; font: 700 .72rem/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; }
@media (min-width: 900px) {
  .row { grid-template-columns: 3rem minmax(0, 1.1fr) minmax(0, 1fr) 2rem; align-items: center; }
  .row p { grid-column: 3; }
  .row .go { grid-column: 4; }
  .row .n { padding-top: 0; }
}

.do { display: grid; gap: 2.5rem; }
.do-lead { font: 800 clamp(2.2rem, 5vw, 4.4rem)/.92 var(--display); font-stretch: 75%; letter-spacing: -0.035em; max-width: 14ch; margin: 0; }
.do-list { display: grid; align-content: start; border-top: var(--rule); }
.do-list a { display: grid; grid-template-columns: 1fr auto; gap: .2rem 1rem; padding: 1.3rem 0; border-bottom: var(--soft-rule); color: var(--ink); text-decoration: none; }
.do-list h3 { font: 800 var(--fs-h3)/1 var(--display); font-stretch: 75%; letter-spacing: -0.02em; margin: 0; transition: color var(--ease); }
.do-list a:hover h3 { color: var(--red); }
.do-list p { grid-column: 1; color: var(--muted); font-size: .98rem; margin: 0; }
.do-list .go { grid-row: 1 / span 2; grid-column: 2; align-self: center; font-size: 1.4rem; transition: transform var(--ease); }
.do-list a:hover .go { transform: translateX(6px); }
@media (min-width: 900px) { .do { grid-template-columns: 1fr 1fr; gap: 4rem; align-items: end; } }

.case { display: grid; gap: 1.4rem; padding: clamp(1.6rem, 3vw, 2.6rem) 0; border-top: var(--rule); }
.case + .case { border-top: var(--soft-rule); }
.shot { display: block; aspect-ratio: 16/10; overflow: hidden; border: var(--rule); border-radius: 0; background: var(--bg-deep); }
.shot img { width: 100%; height: 100%; object-fit: cover; object-position: top; transition: transform .5s; }
.case:hover .shot img { transform: scale(1.03); }
.metric { font-size: clamp(3.6rem, 9vw, 8rem); line-height: .85; }
.metric small { font-size: .45em; color: var(--red); margin-left: .1em; }
.case h3 { font: 800 var(--fs-h3)/1 var(--display); font-stretch: 75%; letter-spacing: -0.02em; margin: .8rem 0 .4rem; }
.case p { color: var(--muted); max-width: 40ch; }
.lnk { display: inline-block; margin-top: 1rem; font-weight: 600; color: var(--ink); text-decoration: none; border-bottom: 1.5px solid var(--red); }
@media (min-width: 900px) { .case { grid-template-columns: 1.15fr 1fr; gap: 3rem; align-items: center; } .case:nth-child(even) .shot { order: 2; } }
.sec-link { color: var(--muted); text-decoration: none; }
.sec-link:hover { color: var(--red); }

/* ---------- 4b. Footer ---------- */
.ft { margin-top: clamp(3.5rem, 8vw, 7rem); background: var(--inv-bg); color: var(--inv-fg); }
.ft .wrap { padding-top: clamp(2.5rem, 6vw, 4.5rem); padding-bottom: 1.4rem; }
.ft a { color: var(--inv-fg); text-decoration: none; }
.ft a:hover { color: var(--inv-accent); }
.ft .mark, .ft .mark i { color: var(--inv-fg); }
.ft .mark i { border-color: var(--inv-accent); color: var(--inv-accent); }
.ft-top { display: grid; gap: 2.4rem; }
.ft-brand p { margin-top: 1rem; max-width: 34ch; color: color-mix(in srgb, var(--inv-fg) 70%, transparent); }
.ft-col h4 { font: 400 var(--fs-mono)/1.4 var(--mono); letter-spacing: .04em; text-transform: uppercase; color: color-mix(in srgb, var(--inv-fg) 60%, transparent); margin-bottom: .9rem; }
.ft-col ul { list-style: none; display: grid; gap: .5rem; }
.ft-bottom { display: flex; flex-wrap: wrap; gap: 1rem 2rem; justify-content: space-between; align-items: center; margin-top: clamp(2.5rem, 6vw, 4.5rem); padding-top: 1.2rem; border-top: 1px solid color-mix(in srgb, var(--inv-fg) 22%, transparent); color: color-mix(in srgb, var(--inv-fg) 70%, transparent); }
.ft .theme-toggle-btn { width: auto; height: auto; min-width: 0; min-height: 44px; display: inline-flex; align-items: center; gap: .5rem; padding: .4rem 1rem; border-radius: var(--radius-pill); background: transparent; border: 1px solid color-mix(in srgb, var(--inv-fg) 35%, transparent); color: var(--inv-fg); font: 600 .85rem var(--text); box-shadow: none; }
.ft .theme-toggle-btn:hover { background: color-mix(in srgb, var(--inv-fg) 12%, transparent); }
.ft .theme-icon { width: 16px; height: 16px; }
@media (min-width: 800px) { .ft-top { grid-template-columns: 1.4fr 1fr 1fr; } }

/* ---------- 5. Bridge: legacy markup (style.css) re-skinned with the tokens ---------- */
:root, [data-theme] {
  --font-display: var(--display);
  --font-sans: var(--text);
  --font-mono: var(--mono);
  --color-bg: var(--bg);
  --color-bg-alt: var(--bg-deep);
  --color-surface: var(--surface);
  --color-surface-subtle: var(--bg-deep);
  --color-surface-hover: color-mix(in srgb, var(--bg-deep) 82%, var(--ink));
  --color-surface-glass: color-mix(in srgb, var(--bg) 90%, transparent);
  --color-text-main: var(--ink);
  --color-text-muted: var(--muted);
  --color-text-faint: var(--muted);
  --color-accent: var(--red);
  --color-accent-hover: color-mix(in srgb, var(--red) 82%, var(--ink));
  --color-accent-subtle: color-mix(in srgb, var(--red) 9%, transparent);
  --color-accent-border: color-mix(in srgb, var(--red) 32%, transparent);
  --color-accent-glow: transparent;
  --color-border: color-mix(in srgb, var(--ink) 18%, transparent);
  --color-border-hover: color-mix(in srgb, var(--ink) 40%, transparent);
  --color-border-subtle: color-mix(in srgb, var(--ink) 8%, transparent);
  --color-reticle: color-mix(in srgb, var(--ink) 40%, transparent);
  --btn-primary-bg: var(--red);
  --btn-primary-hover-bg: color-mix(in srgb, var(--red) 82%, var(--ink));
  --btn-primary-text: #0e0e0c;
  --btn-secondary-bg: transparent;
  --btn-secondary-text: var(--ink);
  --btn-secondary-border: color-mix(in srgb, var(--ink) 85%, transparent);
  --btn-secondary-hover-bg: color-mix(in srgb, var(--ink) 8%, transparent);
  --radius-sm: 0; --radius-md: 0; --radius-lg: 0; --radius-xl: 0;
  --aura-color-1: transparent; --aura-color-2: transparent; --aura-color-3: transparent; --grid-dot-color: transparent;
}

h1, h2, h3, h4 { font-family: var(--display); font-stretch: 75%; font-weight: 800; letter-spacing: -0.03em; line-height: 1; }
.bg-ambient-aura, .bg-grid-pattern, .hero-flow-canvas, .arch-reticle { display: none; }
.btn { border-radius: var(--radius-pill); }
.btn-primary { box-shadow: none; border-color: transparent; }
.btn-secondary, .btn-outline { border-color: color-mix(in srgb, var(--ink) 85%, transparent); }
[class*="card"], [class*="card"]:hover { box-shadow: none; }
.spotlight-card::before { display: none; }
.section-eyebrow, .pill, .case-sector-badge, .case-badge-pill, .case-tech-pill, .track-badge, .step-weeks, .blog-category-tag, .gdpr-badge, .arch-eyebrow {
  text-transform: none; letter-spacing: 0; font-family: var(--text);
}
.section-eyebrow::before { content: none; }
.section-eyebrow { color: var(--red-text); font-weight: 600; font-size: .9375rem; }
.pill, .track-badge, .case-sector-badge, .blog-category-tag { border-radius: var(--radius-pill); }
[style*="var(--font-mono)"] { text-transform: none !important; letter-spacing: 0 !important; }
/* Mono/caps only for real metadata; everything else sentence case */
.breadcrumbs, .breadcrumbs .current, .filter-btn, .form-label, .form-label .optional-hint, .role-chip, .contact-form label { text-transform: none; letter-spacing: 0; font-family: var(--text); }
.filter-btn { border-radius: var(--radius-pill); }
main p a:not([class]), main li a:not([class]) { color: var(--red-text); text-underline-offset: 3px; }

/* Square corners everywhere, no exceptions (see DESIGN.md) */
*, *::before, *::after { border-radius: 0 !important; }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
  .flowline path { stroke-dashoffset: 0; }
  html { scroll-behavior: auto; }
}

/* ---------- 6. Sales sections: hero CTAs, steps, FAQ ---------- */
.hero-ctas { display: flex; align-items: center; flex-wrap: wrap; gap: 1.2rem 1.6rem; }
.cta-solid { background: var(--ink); color: var(--bg); }
.cta-solid:hover { background: var(--red); border-color: var(--red); color: #0e0e0c; }
.cta-solid .dot { background: var(--bg); color: var(--ink); }
.hero-ctas .lnk { margin-top: 0; }
.steps { list-style: none; display: grid; gap: 0; border-top: var(--rule); }
.steps li { display: grid; grid-template-columns: 2.2rem 1fr; gap: .4rem 1.2rem; padding: clamp(1.2rem, 2.4vw, 2rem) 0; border-bottom: var(--soft-rule); }
.steps .n { color: var(--muted); padding-top: .55rem; }
.steps h3 { font: 800 clamp(1.5rem, 3vw, 2.4rem)/.95 var(--display); font-stretch: 75%; letter-spacing: -0.03em; margin: 0; grid-column: 2; }
.steps p { grid-column: 2; color: var(--muted); max-width: 56ch; margin: 0; }
@media (min-width: 900px) {
  .steps { grid-template-columns: repeat(3, 1fr); border-top: var(--rule); }
  .steps li { display: flex; flex-direction: column; gap: .8rem; padding: 2rem 2rem 2rem 0; border-bottom: 0; }
  .steps li + li { padding-left: 2rem; border-left: var(--soft-rule); }
  .steps .n { padding-top: 0; }
}
.faq { border-top: var(--rule); max-width: 900px; }
.faq-item { border-bottom: var(--soft-rule); }
.faq-item summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: 1.2rem 0; font: 800 clamp(1.2rem, 2.2vw, 1.7rem)/1.1 var(--display); font-stretch: 75%; letter-spacing: -0.02em; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font: 400 1.6rem/1 var(--text); color: var(--red); transition: transform var(--ease); flex: none; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item summary:hover { color: var(--red); }
.faq-item p { color: var(--muted); max-width: 64ch; padding: 0 0 1.4rem; }

/* ---------- 7. Modals, Filters & Spec Plates ---------- */
/* Modal Dialog */
dialog.flow-modal {
  border: var(--rule);
  padding: 0;
  max-width: 580px;
  width: min(94vw, 580px);
  background: var(--surface);
  color: var(--ink);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.4);
  margin: auto;
}
dialog.flow-modal::backdrop {
  background: rgba(14, 14, 12, 0.7);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.modal-hd {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem 1.6rem;
  border-bottom: var(--soft-rule);
}
.modal-hd h3 {
  font: 800 1.4rem/1.1 var(--display);
  font-stretch: 75%;
  letter-spacing: -0.02em;
  margin: 0;
}
.modal-close {
  all: unset;
  cursor: pointer;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  font-size: 1.3rem;
  color: var(--muted);
}
.modal-close:hover {
  color: var(--red);
}
.modal-bd {
  padding: 1.6rem;
}
.modal-bd form {
  display: grid;
  gap: 1rem;
}
.modal-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.modal-field label {
  font: 600 0.85rem var(--text);
  color: var(--ink);
}
.modal-input, .modal-textarea, .modal-select {
  width: 100%;
  padding: 0.75rem 0.9rem;
  font: 400 0.95rem var(--text);
  background: var(--bg);
  border: var(--soft-rule);
  color: var(--ink);
  outline: none;
  transition: border-color var(--ease);
}
.modal-input:focus, .modal-textarea:focus, .modal-select:focus {
  border-color: var(--red);
}
.modal-textarea {
  min-height: 80px;
  resize: vertical;
}
.modal-actions {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  margin-top: 0.5rem;
}
.modal-direct {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background: var(--bg-deep);
  border: var(--soft-rule);
  font-size: 0.85rem;
  color: var(--muted);
  text-decoration: none;
  transition: border-color var(--ease), color var(--ease);
}
.modal-direct strong {
  color: var(--ink);
}
.modal-direct:hover {
  border-color: var(--rule);
  color: var(--red);
}

/* Category Filter Tabs */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: clamp(1.8rem, 4vw, 3rem);
  border-bottom: var(--soft-rule);
  padding-bottom: 0.8rem;
}
.filter-tab {
  all: unset;
  cursor: pointer;
  padding: 0.45rem 0.9rem;
  font: 600 0.85rem var(--text);
  color: var(--muted);
  border: 1px solid transparent;
  transition: all var(--ease);
}
.filter-tab:hover {
  color: var(--ink);
}
.filter-tab.active {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}
[data-theme="dark"] .filter-tab.active {
  background: var(--red);
  color: #0e0e0c;
  border-color: var(--red);
}

/* Specification / Feature Blocks */
.spec-grid {
  display: grid;
  gap: 1.2rem;
  margin: 1.6rem 0;
}
@media (min-width: 768px) {
  .spec-grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
  .spec-grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}
.spec-box {
  padding: 1.4rem;
  background: var(--surface);
  border: var(--soft-rule);
}
.spec-box h4 {
  font: 800 1.2rem/1.2 var(--display);
  font-stretch: 75%;
  letter-spacing: -0.02em;
  margin: 0 0 0.4rem;
}
.spec-box p {
  color: var(--muted);
  font-size: 0.92rem;
  margin: 0;
}
.plate-quote {
  padding: 1.4rem 1.6rem;
  border-left: 3px solid var(--red);
  background: var(--surface);
  border-top: var(--soft-rule);
  border-right: var(--soft-rule);
  border-bottom: var(--soft-rule);
  margin: 1.6rem 0;
}
.plate-quote p {
  color: var(--muted);
  margin: 0;
  font-size: 0.95rem;
}
.plate-quote strong {
  color: var(--ink);
}

/* Interactive Project Viewport Mockup (Flow Editorial) */
.browser-mockup {
  background: var(--surface) !important;
  border: var(--rule) !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  overflow: hidden;
  margin-bottom: 2rem;
}
.browser-chrome {
  background: var(--bg-deep) !important;
  border-bottom: var(--rule) !important;
  border-radius: 0 !important;
  padding: 0.6rem 1rem !important;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.browser-dots {
  display: flex;
  align-items: center;
  gap: 6px;
}
.browser-dot {
  width: 8px;
  height: 8px;
  border-radius: 0 !important;
  display: inline-block;
  background: var(--muted);
}
.browser-address-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg);
  border: var(--soft-rule);
  padding: 0.25rem 0.75rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--muted);
  flex: 1;
  max-width: 440px;
}
.browser-actions {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.device-btn {
  font-family: var(--mono) !important;
  font-size: 0.75rem !important;
  text-transform: uppercase !important;
  letter-spacing: 0.05em !important;
  padding: 0.35rem 0.75rem !important;
  border: var(--soft-rule) !important;
  background: var(--bg) !important;
  color: var(--muted) !important;
  border-radius: 0 !important;
  cursor: pointer;
  transition: all var(--ease);
}
.device-btn:hover {
  color: var(--ink) !important;
  border-color: var(--ink) !important;
}
.device-btn.active {
  background: var(--ink) !important;
  color: var(--bg) !important;
  border-color: var(--ink) !important;
  font-weight: 700;
}
.mockup-viewport {
  background: var(--bg);
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  padding: 1.5rem;
}
.mockup-img {
  width: 100%;
  height: auto;
  max-height: 540px;
  object-fit: contain;
  display: block;
  border: var(--soft-rule);
}

/* Case Metrics Bar */
.case-metrics-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0;
  border: var(--rule);
  background: var(--surface);
  margin-bottom: 2.5rem;
}
.metric-stat {
  padding: 1.4rem;
  border-right: var(--soft-rule);
  border-bottom: var(--soft-rule);
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}
.metric-stat:last-child {
  border-right: none;
}
.metric-number {
  font: 800 clamp(1.8rem, 3.2vw, 2.8rem)/1 var(--display) !important;
  font-stretch: 75% !important;
  letter-spacing: -0.04em !important;
  color: var(--ink);
}
.metric-desc {
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.4;
}

/* Case Sidebar Sticky */
.case-sidebar-sticky {
  background: var(--surface) !important;
  border: var(--rule) !important;
  border-radius: 0 !important;
  padding: 1.5rem !important;
  position: sticky;
  top: 5rem;
}
.case-overview-list {
  list-style: none !important;
  padding: 0 !important;
  margin: 1rem 0 !important;
  display: grid;
  gap: 0.75rem;
}
.case-overview-item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  font-size: 0.88rem;
  border-bottom: var(--soft-rule);
  padding-bottom: 0.5rem;
}
.case-overview-label {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--muted);
  text-transform: uppercase;
}
.case-overview-val {
  font-weight: 600;
  color: var(--ink);
  text-align: right;
}