/* =========================================================
   Plumbcore — Design System
   Fonts: Manrope (display/headings) + Source Sans 3 (body)
   Palette: Charcoal 50-900, Dark #0B1120, Off-white #FAF9F7,
            Accent (red) 500/600/700
   ========================================================= */

:root {
  /* Charcoal scale */
  --c-50:  #F9FAFB;
  --c-100: #F3F4F6;
  --c-200: #E5E7EB;
  --c-300: #D1D5DB;
  --c-400: #9CA3AF;
  --c-500: #6B7280;
  --c-600: #4B5563;
  --c-700: #374151;
  --c-800: #1F2937;
  --c-900: #111827;

  --dark:      #0B1120;
  --off-white: #FAF9F7;
  --border:    #E5E7EB;

  --accent-500: #EF4444;
  --accent-600: #DC2626;
  --accent-700: #B91C1C;

  --font-display: "Manrope", "Segoe UI", sans-serif;
  --font-body: "Source Sans 3", "Segoe UI", sans-serif;

  --max-w: 1180px;
  --radius: 20px;
  --radius-sm: 12px;

  --shadow-1: 0 1px 2px rgba(17,24,39,0.06), 0 1px 1px rgba(17,24,39,0.04);
  --shadow-2: 0 12px 24px -8px rgba(17,24,39,0.18), 0 2px 6px rgba(17,24,39,0.08);
  --shadow-glow: 0 0 0 1px rgba(239,68,68,0.15), 0 18px 40px -12px rgba(239,68,68,0.35);

  --section-pad-mobile: 64px;
  --section-pad-desktop: 112px;

  color-scheme: light;
}

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

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--c-800);
  background: var(--off-white);
  overflow-x: hidden;
}

img, svg { max-width: 100%; display: block; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--c-900);
  margin: 0 0 0.5em;
}
h3 { font-weight: 700; }

h1 { font-size: clamp(2.5rem, 1.9rem + 2.6vw, 4.5rem); }
h2 { font-size: clamp(2rem, 1.7rem + 1.4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 1.15rem + 0.4vw, 1.5rem); }

p { margin: 0 0 1.1em; max-width: 68ch; }
p:last-child { margin-bottom: 0; }

a { color: var(--accent-700); text-decoration-color: rgba(185,28,28,0.35); text-underline-offset: 3px; }
a:hover { text-decoration-color: currentColor; }

ul, ol { padding-left: 1.25em; margin: 0 0 1.1em; }
li { margin-bottom: 0.4em; }

.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-700);
  margin-bottom: 0.9em;
}
.section-intro { max-width: 62ch; color: var(--c-600); font-size: 1.0625rem; }

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 20px; }
@media (min-width: 768px) { .container { padding: 0 32px; } }

.section { padding: var(--section-pad-mobile) 0; position: relative; }
@media (min-width: 1024px) { .section { padding: var(--section-pad-desktop) 0; } }

.section--white   { background: #fff; }
.section--offwhite{ background: var(--off-white); }
.section--tint    { background: var(--c-50); }
.section--dark    { background: var(--dark); color: var(--c-200); }
.section--dark h1, .section--dark h2, .section--dark h3, .section--dark h4 { color: #fff; }
.section--dark .section-intro { color: var(--c-300); }
.section--dark .eyebrow { color: var(--accent-500); }

/* Angled divider between sections */
.divider {
  position: relative;
  height: 64px;
  margin-top: -1px;
  overflow: hidden;
}
.divider svg { width: 100%; height: 100%; display: block; }

/* Focus visibility */
a:focus-visible, button:focus-visible, summary:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--accent-600);
  outline-offset: 2px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--dark);
  color: #fff;
  padding: 12px 20px;
  z-index: 1000;
  border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* =========== Buttons =========== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1rem;
  padding: 14px 26px;
  border-radius: 999px;
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  min-height: 44px;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn svg { width: 20px; height: 20px; flex: none; }
.btn-primary {
  background: var(--accent-600);
  color: #fff;
  box-shadow: var(--shadow-glow);
}
.btn-primary:hover { background: var(--accent-700); transform: translateY(-1px); }
.btn-outline {
  background: transparent;
  border-color: var(--c-300);
  color: var(--c-900);
}
.section--dark .btn-outline { border-color: rgba(255,255,255,0.3); color: #fff; }
.btn-outline:hover { border-color: var(--accent-600); color: var(--accent-700); }
.section--dark .btn-outline:hover { color: #fff; border-color: var(--accent-500); }

@media (max-width: 639px) {
  .btn-block-mobile { width: 100%; justify-content: center; }
}

/* =========== Header / Nav =========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250,249,247,0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand svg { width: 34px; height: 34px; }
.brand-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--c-900);
  letter-spacing: -0.01em;
}

.main-nav { display: none; }
@media (min-width: 1024px) {
  .main-nav { display: flex; align-items: center; gap: 4px; }
  .main-nav > li { position: relative; list-style: none; }
  .main-nav > li > a, .nav-toggle-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 14px;
    color: var(--c-700);
    text-decoration: none;
    font-weight: 600;
    border-radius: 999px;
  }
  .main-nav > li > a:hover, .nav-toggle-link:hover { background: var(--c-100); color: var(--c-900); }
  .main-nav ul { list-style: none; }
  .dropdown {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-2);
    padding: 10px;
    min-width: 260px;
    display: none;
  }
  .has-dropdown:hover .dropdown,
  .has-dropdown:focus-within .dropdown { display: block; }
  .dropdown a {
    display: block;
    padding: 9px 12px;
    border-radius: 8px;
    color: var(--c-700);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
  }
  .dropdown a:hover { background: var(--c-50); color: var(--accent-700); }
}
.nav-actions { display: flex; align-items: center; gap: 10px; }
.header-call {
  display: none;
}
@media (min-width: 640px) {
  .header-call { display: inline-flex; }
}

.hamburger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #fff;
}
@media (min-width: 1024px) { .hamburger { display: none; } }
.hamburger svg { width: 22px; height: 22px; }

.mobile-panel {
  position: fixed;
  inset: 0;
  background: var(--dark);
  color: #fff;
  z-index: 200;
  padding: 24px 20px;
  display: none;
  overflow-y: auto;
}
.mobile-panel.is-open { display: block; }
.mobile-panel-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 28px; }
.mobile-panel-close {
  width: 44px; height: 44px; border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.2); background: transparent; color: #fff;
}
.mobile-panel ul { list-style: none; padding: 0; margin: 0; }
.mobile-panel details { border-bottom: 1px solid rgba(255,255,255,0.12); }
.mobile-panel summary {
  padding: 16px 4px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  cursor: pointer;
  list-style: none;
}
.mobile-panel summary::-webkit-details-marker { display: none; }
.mobile-panel .mobile-sub { padding: 0 4px 14px 4px; }
.mobile-panel .mobile-sub a {
  display: block;
  padding: 10px 0;
  color: var(--c-300);
  text-decoration: none;
}
.mobile-panel > ul > li > a {
  display: block;
  padding: 16px 4px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: #fff;
  text-decoration: none;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.mobile-panel-cta { margin-top: 24px; }

/* =========== Hero =========== */
.hero {
  position: relative;
  background:
    radial-gradient(900px 500px at 85% -10%, rgba(239,68,68,0.16), transparent 60%),
    radial-gradient(700px 500px at -10% 110%, rgba(17,24,39,0.06), transparent 60%),
    var(--off-white);
  padding: 48px 0 72px;
  overflow: hidden;
}
@media (min-width: 1024px) { .hero { padding: 88px 0 96px; } }
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.5;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
}
.hero-grid {
  display: grid;
  gap: 40px;
  align-items: center;
  position: relative;
  z-index: 1;
}
@media (min-width: 1024px) {
  .hero-grid { grid-template-columns: 1.05fr 0.95fr; gap: 56px; }
}
.trust-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0 0;
}
.trust-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--c-700);
  box-shadow: var(--shadow-1);
}
.trust-chip svg { width: 16px; height: 16px; color: var(--accent-600); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.hero-fineprint { margin-top: 16px; font-size: 0.85rem; color: var(--c-500); max-width: 46ch; }

.accent-underline {
  position: relative;
  white-space: nowrap;
}
.accent-underline svg {
  position: absolute;
  left: 0;
  bottom: -0.08em;
  width: 100%;
  height: 0.28em;
  z-index: -1;
}

.hero-visual { position: relative; }
.hero-scene-wrap { position: relative; border-radius: 28px; overflow: hidden; box-shadow: var(--shadow-2); }
.float-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,0.82);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.6);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-2);
  padding: 12px 14px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--c-800);
}
.float-card svg { width: 22px; height: 22px; color: var(--accent-600); flex: none; }
.float-card--1 { top: -18px; left: -14px; }
.float-card--2 { bottom: 22px; right: -16px; }
.float-card--3 { bottom: -20px; left: 36px; }
@media (max-width: 767px) {
  .float-card--3 { display: none; }
  .float-card { padding: 9px 11px; font-size: 0.78rem; }
  .float-card--1 { top: -10px; left: -8px; }
  .float-card--2 { bottom: 12px; right: -10px; }
}

/* =========== Icon tiles =========== */
.icon-tile {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--c-50);
  display: flex;
  align-items: center;
  justify-content: center;
  flex: none;
}
.icon-tile svg { width: 26px; height: 26px; color: var(--accent-700); stroke-width: 2; }
.section--dark .icon-tile { background: rgba(255,255,255,0.08); }
.section--dark .icon-tile svg { color: var(--accent-500); }

/* =========== Bento grid =========== */
.bento {
  display: grid;
  gap: 20px;
  grid-template-columns: 1fr;
}
@media (min-width: 640px) { .bento { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) {
  .bento { grid-template-columns: repeat(4, 1fr); grid-auto-rows: minmax(180px, auto); }
  .bento-item--big { grid-column: span 2; grid-row: span 2; }
}
.bento-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-1);
  display: flex;
  flex-direction: column;
  gap: 14px;
  text-decoration: none;
  color: inherit;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}
.bento-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-2); border-color: var(--c-300); }
.bento-item h3 { margin-bottom: 0; }
.bento-item p { font-size: 0.98rem; color: var(--c-600); margin-bottom: 0; }
.bento-item--big { justify-content: center; }
.bento-arrow {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  color: var(--accent-700);
  font-size: 0.92rem;
}
.bento-arrow svg { width: 16px; height: 16px; transition: transform 0.15s ease; }
.bento-item:hover .bento-arrow svg { transform: translateX(4px); }

/* =========== Symptom checker =========== */
.symptom-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}
@media (min-width: 768px) { .symptom-grid { grid-template-columns: repeat(2, 1fr); } }
.symptom-card {
  background: #fff;
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent-600);
  border-radius: var(--radius-sm);
  padding: 20px 22px;
  box-shadow: var(--shadow-1);
}
.symptom-card p { margin-bottom: 10px; color: var(--c-600); font-size: 0.98rem; }
.symptom-card a { font-weight: 700; }

/* =========== Process (numbered) =========== */
.process {
  position: relative;
  display: grid;
  gap: 32px;
  grid-template-columns: 1fr;
  counter-reset: step;
}
@media (min-width: 768px) { .process { grid-template-columns: repeat(4, 1fr); } }
.process::before {
  content: "";
  display: none;
}
@media (min-width: 768px) {
  .process::before {
    content: "";
    display: block;
    position: absolute;
    top: 34px;
    left: 6%;
    right: 6%;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-500), var(--c-200) 70%);
  }
}
.process-step { position: relative; }
.process-num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 3.2rem;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--c-300);
  margin-bottom: 12px;
}
.section--dark .process-num { -webkit-text-stroke: 1.5px rgba(255,255,255,0.35); }

/* =========== Split section =========== */
.split {
  display: grid;
  gap: 36px;
  align-items: center;
  grid-template-columns: 1fr;
}
@media (min-width: 900px) { .split { grid-template-columns: 1fr 1fr; gap: 56px; } }
.split.is-reverse .split-media { order: -1; }
@media (min-width: 900px) { .split.is-reverse .split-media { order: 2; } }

/* =========== Callouts =========== */
.callout {
  display: flex;
  gap: 14px;
  border-radius: var(--radius-sm);
  padding: 18px 20px;
  border-left: 4px solid;
  margin: 22px 0;
  background: #fff;
  box-shadow: var(--shadow-1);
}
.callout svg { width: 22px; height: 22px; flex: none; margin-top: 2px; }
.callout-tip { border-color: var(--c-600); }
.callout-tip svg { color: var(--c-700); }
.callout-warning { border-color: var(--accent-600); }
.callout-warning svg { color: var(--accent-600); }
.callout strong { display: block; margin-bottom: 4px; font-family: var(--font-display); }

/* =========== Dark CTA band =========== */
.cta-band {
  position: relative;
  background: var(--dark);
  color: #fff;
  text-align: center;
  overflow: hidden;
}
.cta-band::before {
  content: "";
  position: absolute;
  inset: -40% -10% auto -10%;
  height: 340px;
  background: radial-gradient(closest-side, rgba(239,68,68,0.45), transparent 70%);
  filter: blur(10px);
  pointer-events: none;
}
.cta-band .phone-link {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.1rem, 1.7rem + 2vw, 3.4rem);
  color: #fff;
  text-decoration: none;
  letter-spacing: -0.01em;
  margin: 14px 0 26px;
}
.cta-band .phone-link:hover { color: var(--accent-500); }

/* =========== FAQ accordion =========== */
.faq { border-top: 1px solid var(--border); }
.section--dark .faq { border-top-color: rgba(255,255,255,0.12); }
.faq-item { border-bottom: 1px solid var(--border); }
.section--dark .faq-item { border-bottom-color: rgba(255,255,255,0.12); }
.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 4px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-plus { flex: none; width: 24px; height: 24px; position: relative; }
.faq-plus::before, .faq-plus::after {
  content: "";
  position: absolute;
  background: var(--accent-600);
  border-radius: 2px;
}
.faq-plus::before { top: 50%; left: 0; width: 100%; height: 2px; transform: translateY(-50%); }
.faq-plus::after { left: 50%; top: 0; height: 100%; width: 2px; transform: translateX(-50%); transition: transform 0.2s ease; }
.faq-item[open] .faq-plus::after { transform: translateX(-50%) rotate(90deg); }
.faq-item .faq-answer { padding: 0 4px 20px; color: var(--c-600); }
.section--dark .faq-item .faq-answer { color: var(--c-300); }

/* =========== Tables =========== */
.table-wrap { overflow-x: auto; border-radius: var(--radius-sm); border: 1px solid var(--border); }
table { width: 100%; border-collapse: collapse; min-width: 480px; background: #fff; }
th, td { text-align: left; padding: 14px 16px; border-bottom: 1px solid var(--border); font-size: 0.95rem; }
th { font-family: var(--font-display); font-weight: 700; background: var(--c-50); }
tr:last-child td { border-bottom: none; }
@media (max-width: 639px) {
  .table-wrap { border: none; }
  table, thead, tbody, tr, th, td { display: block; }
  thead { display: none; }
  tr { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-sm); margin-bottom: 14px; padding: 6px 4px; }
  td { border: none; padding: 8px 14px; }
  td::before { content: attr(data-label); display: block; font-weight: 700; color: var(--c-500); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 2px; }
}

/* =========== Areas list =========== */
.areas-grid { display: grid; gap: 20px; grid-template-columns: 1fr; }
@media (min-width: 768px) { .areas-grid { grid-template-columns: repeat(2, 1fr); } }
.area-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow-1); }

/* =========== Breadcrumbs =========== */
.breadcrumbs { font-size: 0.875rem; color: var(--c-500); padding: 16px 0; }
.breadcrumbs a { color: var(--c-600); text-decoration: none; }
.breadcrumbs a:hover { color: var(--accent-700); text-decoration: underline; }
.breadcrumbs .sep { margin: 0 6px; color: var(--c-300); }

/* =========== Service page layout: TOC + sticky call card =========== */
.page-layout {
  display: grid;
  gap: 40px;
  grid-template-columns: 1fr;
}
@media (min-width: 1024px) {
  .page-layout { grid-template-columns: 1fr 300px; align-items: start; }
}
.page-sidebar { display: grid; gap: 20px; }
@media (min-width: 1024px) {
  .page-sidebar { position: sticky; top: 96px; }
}
.toc, .call-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow-1);
}
.toc h2, .call-card h3 { font-size: 1rem; margin-bottom: 12px; }
.toc ol { list-style: none; padding: 0; margin: 0; counter-reset: toc; }
.toc li { counter-increment: toc; margin-bottom: 4px; }
.toc a {
  display: flex;
  gap: 10px;
  padding: 7px 8px;
  border-radius: 8px;
  color: var(--c-700);
  text-decoration: none;
  font-size: 0.92rem;
}
.toc a::before { content: counter(toc); font-weight: 700; color: var(--accent-600); }
.toc a:hover { background: var(--c-50); }
.call-card { text-align: center; }
.call-card .btn { width: 100%; justify-content: center; }

/* =========== Footer =========== */
.site-footer { background: var(--dark); color: var(--c-300); padding: 64px 0 28px; }
.footer-grid { display: grid; gap: 36px; grid-template-columns: 1fr; }
@media (min-width: 768px) { .footer-grid { grid-template-columns: 1.3fr 1fr 1fr 1fr; } }
.footer-grid h4 { color: #fff; font-size: 0.95rem; margin-bottom: 14px; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid a { color: var(--c-300); text-decoration: none; font-size: 0.92rem; }
.footer-grid a:hover { color: #fff; }
.footer-grid li { margin-bottom: 8px; }
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; text-decoration: none; }
.footer-brand svg { width: 30px; height: 30px; }
.footer-brand span { font-family: var(--font-display); font-weight: 800; color: #fff; font-size: 1.15rem; }
.footer-disclaimer { font-size: 0.82rem; color: var(--c-500); max-width: 44ch; }
.footer-bottom {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.12);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--c-500);
}

/* =========== Sticky mobile call bar =========== */
.mobile-call-bar {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 150;
  background: var(--dark);
  padding: 12px 16px calc(12px + env(safe-area-inset-bottom, 0px));
  display: flex;
}
@media (min-width: 1024px) { .mobile-call-bar { display: none; } }
.mobile-call-bar .btn { width: 100%; justify-content: center; }
body.has-mobile-bar { padding-bottom: calc(72px + env(safe-area-inset-bottom, 0px)); }

/* =========== Fade-up (progressive enhancement) =========== */
.fade-up {
  opacity: 1;
  transform: none;
}
html.js .fade-up {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
html.js .fade-up.is-visible {
  opacity: 1;
  transform: none;
}

/* =========== Utility =========== */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.stack { display: grid; gap: 12px; }
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  font-size: 0.82rem;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--c-100);
  color: var(--c-700);
}
.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}