/* NDX – publieke site. Huisstijlhandboek v2.0
   Kleuren: donkerblauw #070B19, cyaan #0088FF, oker #F2A900, grijs #E2E8F0 (60/30/10)
   Lettertypen: Montserrat Alternates Bold (H1), Montserrat (koppen/navigatie), Open Sans (lopende tekst) */

@font-face { font-family: "Montserrat"; src: url("../fonts/montserrat.woff") format("woff"); font-weight: 100 900; font-style: normal; font-display: swap; }
@font-face { font-family: "Montserrat Alternates"; src: url("../fonts/montserrat-alternates-bold.woff") format("woff"); font-weight: 700; font-style: normal; font-display: swap; }
@font-face { font-family: "Open Sans"; src: url("../fonts/opensans.woff") format("woff"); font-weight: 300 800; font-style: normal; font-display: swap; }
@font-face { font-family: "Open Sans"; src: url("../fonts/opensans-italic.woff") format("woff"); font-weight: 300 800; font-style: italic; font-display: swap; }

:root {
  --navy: #070B19;
  --navy-2: #0D1430;
  --navy-3: #16204A;
  --cyan: #0088FF;
  --cyan-ink: #0062C4;      /* cyaan voor kleine tekst op licht (contrast ≥ 5:1) */
  --oker: #F2A900;
  --oker-dark: #D99700;
  --grey: #E2E8F0;
  --grey-soft: #F3F6FB;
  --line: #D8E0EB;
  --text: #070B19;
  --muted: #4A5575;
  --white: #fff;
  --grad: linear-gradient(90deg, #070B19 0%, #0088FF 55%, #F2A900 100%);
  --radius: 14px;
  --shadow: 0 1px 2px rgba(7,11,25,.06), 0 8px 24px -12px rgba(7,11,25,.18);
  --shadow-lg: 0 2px 6px rgba(7,11,25,.08), 0 24px 48px -20px rgba(7,11,25,.35);
  --font-head: "Montserrat", Arial, Calibri, sans-serif;
  --font-h1: "Montserrat Alternates", "Montserrat", Arial, sans-serif;
  --font-body: "Open Sans", Arial, Calibri, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; font-family: var(--font-body); font-size: 17px; line-height: 1.6; color: var(--text); background: var(--white);
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--cyan-ink); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { color: var(--navy); }
:focus-visible { outline: 3px solid var(--oker); outline-offset: 3px; border-radius: 4px; }
::selection { background: var(--cyan); color: #fff; }
.wrap { width: min(1200px, 100% - 2.5rem); margin-inline: auto; }
.narrow { max-width: 820px; }
.skip-link { position: absolute; left: -999px; top: 0; background: var(--oker); color: var(--navy); padding: .75rem 1rem; z-index: 100; font-weight: 700; }
.skip-link:focus { left: 1rem; top: 1rem; }
[hidden] { display: none !important; }

h1, h2, h3, h4 { font-family: var(--font-head); color: var(--navy); line-height: 1.2; margin: 0 0 .6em; }
h1 { font-family: var(--font-h1); font-weight: 700; font-size: clamp(2.4rem, 5.2vw, 3.5rem); line-height: 1.12; }
h2 { font-weight: 700; font-size: clamp(1.75rem, 3.2vw, 2rem); line-height: 1.25; }
h3 { font-weight: 600; font-size: 1.3rem; line-height: 1.3; }
p { margin: 0 0 1em; }

/* -------- header -------- */
.site-header { position: sticky; top: 0; z-index: 50; background: var(--navy); color: #fff; }
.site-header::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 4px; background: var(--grad); }
.header-in { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; min-height: 76px; padding-top: 4px; }
.brand { display: inline-flex; align-items: center; }
.brand img { height: 44px; width: auto; }
.nav { display: flex; gap: .25rem; align-items: center; }
.nav a { font-family: var(--font-head); font-weight: 600; font-size: .98rem; color: #fff; text-decoration: none; padding: .55rem .9rem; border-radius: 8px; position: relative; }
.nav a:hover { background: rgba(255,255,255,.08); color: #fff; }
.nav a.is-active::after { content: ""; position: absolute; left: .9rem; right: .9rem; bottom: .2rem; height: 3px; border-radius: 3px; background: var(--cyan); }
.nav-toggle { display: none; background: transparent; border: 0; width: 46px; height: 46px; border-radius: 10px; cursor: pointer; padding: 0; }
.nav-toggle span { display: block; width: 24px; height: 2.5px; background: #fff; margin: 5px auto; border-radius: 2px; transition: transform .2s, opacity .2s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* -------- knoppen -------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem; font-family: var(--font-head); font-weight: 700; font-size: 1rem;
  padding: .8rem 1.4rem; border-radius: 10px; border: 2px solid transparent; text-decoration: none; cursor: pointer; line-height: 1.2;
  transition: transform .15s, background .15s, color .15s, border-color .15s, box-shadow .15s;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--oker); color: var(--navy); }
.btn-primary:hover { background: #FFBC1F; color: var(--navy); box-shadow: 0 8px 20px -8px rgba(242,169,0,.7); }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.45); }
.btn-ghost:hover { background: rgba(255,255,255,.1); color: #fff; border-color: #fff; }
.btn-outline { background: transparent; color: var(--navy); border-color: var(--navy); }
.btn-outline:hover { background: var(--navy); color: #fff; }
.btn-lg { padding: 1rem 1.7rem; font-size: 1.05rem; }

/* -------- hero -------- */
.hero, .page-hero, .cta-band { position: relative; background: var(--navy); color: #fff; overflow: hidden; isolation: isolate; }
.hero-art { position: absolute; inset: 0; z-index: -2; -webkit-mask-image: linear-gradient(90deg, transparent 0%, transparent 28%, #000 62%); mask-image: linear-gradient(90deg, transparent 0%, transparent 28%, #000 62%); }
.hero-art .route-svg { width: 100%; height: 100%; opacity: .95; }
.hero::after, .page-hero::after, .cta-band::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgba(7,11,25,.94) 0%, rgba(7,11,25,.62) 40%, rgba(7,11,25,0) 85%); }
.hero { min-height: min(86vh, 760px); display: flex; align-items: center; }
.hero-in { padding-block: 5rem; }
.hero h1, .page-hero h1, .cta-band h2 { color: #fff; }
.hero h1 { max-width: 14ch; font-size: clamp(2.8rem, 7vw, 4.6rem); }
.eyebrow { font-family: var(--font-head); font-weight: 700; font-size: .82rem; letter-spacing: .14em; text-transform: uppercase; color: var(--oker); margin: 0 0 1rem; }
.lead { font-size: 1.2rem; line-height: 1.6; max-width: 56ch; color: rgba(255,255,255,.88); }
.lead-dark { font-size: 1.1rem; color: var(--muted); max-width: 62ch; margin: 0; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .9rem; margin: 2rem 0 0; }
.hero-stats { display: flex; gap: 2.5rem; margin: 3.5rem 0 0; padding: 0; flex-wrap: wrap; }
.hero-stats div { border-left: 3px solid var(--cyan); padding-left: 1rem; }
.hero-stats dt { font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; color: rgba(255,255,255,.7); font-weight: 600; font-family: var(--font-head); }
.hero-stats dd { margin: 0; font-family: var(--font-head); font-weight: 700; font-size: 2.2rem; line-height: 1.1; color: #fff; }
.page-hero { padding-block: 4.5rem 4rem; }
.page-hero h1 { margin-bottom: .4em; }
.page-hero .lead { margin-bottom: 0; }
.page-hero .hero-actions { margin-top: 1.6rem; }
.crumbs { font-size: .9rem; color: rgba(255,255,255,.75); margin-bottom: 1.2rem; font-family: var(--font-head); font-weight: 500; }
.crumbs a { color: #fff; }

/* routepatroon */
.route-svg .seg { fill: none; stroke-width: 3; stroke-linecap: round; stroke-dasharray: var(--len); stroke-dashoffset: var(--len); animation: ndx-draw 1.1s var(--d, 0s) cubic-bezier(.3,.7,.2,1) forwards; }
.route-svg .node { fill: none; stroke-width: 3; opacity: 0; transform-box: fill-box; transform-origin: center; animation: ndx-pop .55s var(--d, 0s) ease-out forwards; }
.route-static .seg { animation: none; stroke-dashoffset: 0; }
.route-static .node { animation: none; opacity: 1; }
@keyframes ndx-draw { to { stroke-dashoffset: 0; } }
@keyframes ndx-pop { from { opacity: 0; transform: scale(.4); } to { opacity: 1; transform: scale(1); } }

/* -------- secties -------- */
.section { padding-block: 5rem; }
.section-grey { background: var(--grey-soft); border-block: 1px solid var(--line); }
.section-head { margin-bottom: 2.5rem; }
.section-head h2 { margin-bottom: .35em; position: relative; padding-left: 1rem; }
.section-head h2::before { content: ""; position: absolute; left: 0; top: .12em; bottom: .12em; width: 5px; border-radius: 3px; background: var(--cyan); }
.section-head-row { display: flex; align-items: end; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap; }
.grid { display: grid; gap: 1.75rem; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }

/* -------- kaarten -------- */
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; position: relative; transition: transform .2s, box-shadow .2s, border-color .2s; }
.project-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: #b9c8de; }
.card-body { padding: 1.35rem 1.5rem 1.6rem; }
.card-body h3 { margin: .5rem 0 .4rem; }
.card-body h3 a { color: var(--navy); text-decoration: none; }
.card-body h3 a.stretch::after { content: ""; position: absolute; inset: 0; z-index: 1; }
.card-body p { color: var(--muted); font-size: .98rem; margin-bottom: 1rem; }
.card-meta { display: flex; align-items: center; gap: .6rem; flex-wrap: wrap; }
.cat { font-family: var(--font-head); font-size: .8rem; font-weight: 600; color: var(--muted); }
.cat-light { color: rgba(255,255,255,.85); }
.pillar { padding: 2rem 1.75rem; border-top: 4px solid var(--cyan); }
.pillar:nth-child(2) { border-top-color: var(--oker); }
.pillar:nth-child(3) { border-top-color: var(--navy); }
.pillar-no { display: block; font-family: var(--font-h1); font-size: 2.4rem; line-height: 1; color: var(--cyan); margin-bottom: .8rem; }
.pillar:nth-child(2) .pillar-no { color: var(--oker-dark); }
.pillar:nth-child(3) .pillar-no { color: var(--navy); }
.pillar h3 { margin-bottom: .4rem; }
.pillar p { color: var(--muted); margin: 0; }
.value { border-left: 4px solid var(--cyan); padding: .2rem 0 .2rem 1.1rem; }
.value:nth-child(2) { border-color: var(--oker); }
.value:nth-child(3) { border-color: var(--navy); }
.value:nth-child(4) { border-color: var(--grey); }
.value h3 { margin-bottom: .3rem; font-size: 1.15rem; }
.value p { margin: 0; color: var(--muted); }

.badge { display: inline-block; font-family: var(--font-head); font-weight: 700; font-size: .74rem; letter-spacing: .04em; text-transform: uppercase; padding: .22rem .65rem; border-radius: 999px; }
.badge-live { background: rgba(0,136,255,.12); color: #004f99; }
.badge-beta { background: rgba(242,169,0,.22); color: #6b4800; }
.badge-dev { background: var(--grey); color: var(--navy); }
.badge-intern { background: rgba(7,11,25,.09); color: var(--navy); }
.badge-archief { background: var(--grey); color: #4A5575; }
.page-hero .badge { background: rgba(255,255,255,.14); color: #fff; }
.page-hero .badge-live { background: rgba(0,136,255,.4); }
.page-hero .badge-beta { background: rgba(242,169,0,.35); }
.tags { list-style: none; display: flex; flex-wrap: wrap; gap: .4rem; margin: 0; padding: 0; }
.tags li { font-size: .8rem; font-family: var(--font-head); font-weight: 500; background: var(--grey-soft); border: 1px solid var(--line); color: var(--navy); padding: .15rem .6rem; border-radius: 6px; }

.filters { display: flex; flex-wrap: wrap; gap: .6rem; margin-bottom: 2.25rem; }
.chip { font-family: var(--font-head); font-weight: 600; font-size: .92rem; padding: .55rem 1.1rem; border-radius: 999px; border: 2px solid var(--line); background: #fff; color: var(--navy); cursor: pointer; }
.chip span { opacity: .6; margin-left: .3rem; }
.chip:hover { border-color: var(--cyan); }
.chip.is-active { background: var(--navy); border-color: var(--navy); color: #fff; }

/* -------- project-visual (screenshot of gegenereerde mockup) -------- */
.pv { display: block; background: var(--navy); aspect-ratio: 16 / 10; overflow: hidden; position: relative; }
.pv-img img { width: 100%; height: 100%; object-fit: cover; object-position: top center; }
.pv-gen { display: flex; flex-direction: column; }
.pv-bar { display: flex; align-items: center; gap: 6px; padding: 9px 12px; background: var(--navy-2); border-bottom: 1px solid rgba(255,255,255,.08); flex: none; }
.pv-bar i { width: 9px; height: 9px; border-radius: 50%; background: rgba(255,255,255,.28); }
.pv-bar span { margin-left: .75rem; font-family: var(--font-head); font-size: .72rem; color: rgba(255,255,255,.55); background: rgba(255,255,255,.06); padding: 2px 10px; border-radius: 6px; }
.pv-body { position: relative; flex: 1; background: radial-gradient(120% 120% at 20% 0%, var(--navy-3) 0%, var(--navy) 70%); }
.pv-body .route-svg { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .9; }
.pv-center { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: .6rem; text-align: center; padding: 1rem; }
.pv-center strong { font-family: var(--font-h1); font-size: clamp(1.15rem, 2.4vw, 1.6rem); color: #fff; background: rgba(7,11,25,.72); padding: .35rem .9rem; border-radius: 10px; backdrop-filter: blur(3px); }
.pv-logo { max-height: 48px; width: auto; }
.pv-hero { border-radius: var(--radius); box-shadow: var(--shadow-lg); margin-bottom: 2.5rem; border: 1px solid var(--line); }
.pv-hero .pv-center strong { font-size: clamp(1.6rem, 4vw, 2.6rem); }

/* -------- detail -------- */
.detail-grid { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 3rem; align-items: start; }
.detail-aside { position: sticky; top: 100px; }
.info-card { padding: 1.5rem; }
.info-card dl { margin: 0; }
.info-card dt { font-family: var(--font-head); font-weight: 700; font-size: .75rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin-top: 1.1rem; }
.info-card dt:first-child { margin-top: 0; }
.info-card dd { margin: .3rem 0 0; word-break: break-word; }
.h-small { font-size: 1.15rem; margin-bottom: 1.1rem; }
.h-sub { margin-top: 2.5rem; }
.prose { max-width: 70ch; }
.prose h2 { margin-top: 2em; font-size: 1.5rem; }
.prose h3 { margin-top: 1.6em; }
.prose-lg { font-size: 1.12rem; }
.prose ul, .prose ol { padding-left: 1.3rem; }
.prose li { margin-bottom: .4em; }
.prose blockquote { margin: 1.5rem 0; padding: .6rem 1.25rem; border-left: 4px solid var(--cyan); background: var(--grey-soft); border-radius: 0 10px 10px 0; font-style: italic; }
.prose figure { margin: 1.5rem 0; }
.prose figure img { border-radius: 10px; }
.prose figcaption { font-size: .88rem; color: var(--muted); font-style: italic; margin-top: .4rem; }
.prose hr { border: 0; height: 3px; background: var(--grad); border-radius: 3px; margin: 2.5rem 0; }
.prose code { background: var(--grey-soft); padding: .1em .4em; border-radius: 5px; font-size: .92em; }
.feature-list { list-style: none; margin: 0; padding: 0; display: grid; gap: .75rem; }
.feature-list li { position: relative; padding: .9rem 1rem .9rem 3rem; background: var(--grey-soft); border: 1px solid var(--line); border-radius: 12px; }
.feature-list li::before { content: ""; position: absolute; left: 1.05rem; top: 1.25rem; width: 14px; height: 14px; border-radius: 50%; border: 3px solid var(--cyan); }
.feature-list li:nth-child(even)::before { border-color: var(--oker); }
.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.25rem; }
.gallery-item { display: block; border-radius: 12px; overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow); background: #fff; }
.gallery-item img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; object-position: top; transition: transform .3s; }
.gallery-item:hover img { transform: scale(1.03); }
.lightbox { position: fixed; inset: 0; z-index: 200; background: rgba(7,11,25,.92); display: flex; align-items: center; justify-content: center; padding: 2rem; cursor: zoom-out; }
.lightbox img { max-width: 100%; max-height: 100%; border-radius: 8px; box-shadow: 0 20px 60px rgba(0,0,0,.6); }

/* -------- cta + footer -------- */
.cta-band { padding-block: 4rem; }
.cta-band::after { background: linear-gradient(90deg, rgba(7,11,25,.95) 0%, rgba(7,11,25,.7) 55%, rgba(7,11,25,.3) 100%); }
.cta-in { display: flex; align-items: center; justify-content: space-between; gap: 2rem; flex-wrap: wrap; }
.cta-in h2 { margin-bottom: .3em; }
.cta-in p { margin: 0; color: rgba(255,255,255,.85); max-width: 52ch; }
.site-footer { background: var(--navy); color: rgba(255,255,255,.82); padding-top: 4rem; font-size: .96rem; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 2.5rem; padding-bottom: 3rem; }
.footer-brand img { width: 180px; height: auto; margin-bottom: 1rem; }
.footer-brand p { max-width: 32ch; color: rgba(255,255,255,.7); }
.footer-h { font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; color: var(--oker); margin-bottom: 1rem; font-family: var(--font-head); }
.footer-list { list-style: none; margin: 0; padding: 0; display: grid; gap: .5rem; }
.footer-list a, .footer-bottom a { color: rgba(255,255,255,.85); text-decoration: none; }
.footer-list a:hover, .footer-bottom a:hover { color: #fff; text-decoration: underline; }
.footer-line { height: 4px; background: var(--grad); }
.footer-bottom { display: flex; justify-content: space-between; gap: 1rem; padding-block: 1.4rem; font-size: .86rem; color: rgba(255,255,255,.65); flex-wrap: wrap; }

/* -------- formulieren -------- */
.contact-grid { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 3rem; align-items: start; }
.form label { display: block; font-family: var(--font-head); font-weight: 600; font-size: .92rem; margin-bottom: 1.2rem; }
.form input:not([type=checkbox]), .form textarea, .form select { display: block; width: 100%; margin-top: .4rem; font: inherit; font-family: var(--font-body); font-size: 1rem; font-weight: 400; padding: .8rem 1rem; border: 2px solid var(--line); border-radius: 10px; background: #fff; color: var(--text); }
.form input:focus, .form textarea:focus { outline: none; border-color: var(--cyan); box-shadow: 0 0 0 4px rgba(0,136,255,.15); }
.opt { font-weight: 400; color: var(--muted); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.alert { padding: 1rem 1.25rem; border-radius: 10px; margin-bottom: 1.25rem; border-left: 5px solid; background: var(--grey-soft); }
.alert-ok { border-color: #1a8f4c; background: #e8f6ee; color: #0d4a27; }
.alert-error { border-color: #c62828; background: #fdecec; color: #7a1010; }
.alert-warn { border-color: var(--oker); background: #fff6df; color: #5a3d00; }
.muted { color: var(--muted); }
.not-found { min-height: 60vh; display: flex; align-items: center; }

/* -------- reveal -------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-in { opacity: 1; transform: none; }
.no-js .reveal { opacity: 1; transform: none; }

@media (max-width: 1000px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .detail-grid, .contact-grid { grid-template-columns: 1fr; }
  .detail-aside { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  body { font-size: 16px; }
  .nav-toggle { display: block; }
  .nav { position: absolute; left: 0; right: 0; top: 100%; background: var(--navy); flex-direction: column; align-items: stretch; padding: .5rem 1.25rem 1.25rem; border-top: 1px solid rgba(255,255,255,.1); box-shadow: 0 24px 40px -10px rgba(0,0,0,.6); display: none; }
  .nav.is-open { display: flex; }
  .nav a { padding: .9rem .5rem; font-size: 1.05rem; }
  .nav a.is-active::after { left: .5rem; right: auto; width: 32px; }
  .grid-3, .grid-4, .grid2 { grid-template-columns: 1fr; }
  .section { padding-block: 3.5rem; }
  .hero { min-height: 0; }
  .hero-in { padding-block: 3.5rem; }
  .hero::after, .page-hero::after { background: linear-gradient(180deg, rgba(7,11,25,.9), rgba(7,11,25,.7)); }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .hero-stats { gap: 1.5rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .route-svg .seg { animation: none; stroke-dashoffset: 0; }
  .route-svg .node { animation: none; opacity: 1; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn, .card, .gallery-item img { transition: none; }
}
@media print {
  .site-header, .site-footer, .cta-band, .hero-art { display: none; }
  .hero, .page-hero { background: none; color: #000; }
  .hero h1, .page-hero h1 { color: #000; }
}

/* downloadknop */
.btn .ico { flex: none; }
.dl-note { margin: .9rem 0 0; font-size: .92rem; color: rgba(255,255,255,.78); }
.dl-link { font-weight: 700; }
.dl-small { display: block; margin-top: .15rem; }

/* grote downloadknop */
.hero-actions { align-items: center; }
.btn-download {
  display: inline-flex; align-items: center; gap: .9rem; padding: .7rem 1.5rem .7rem .7rem; border-radius: 16px; text-decoration: none;
  color: var(--navy); background: linear-gradient(135deg, #FFC933 0%, var(--oker) 55%, #E09500 100%);
  box-shadow: 0 10px 28px -10px rgba(242,169,0,.75), inset 0 1px 0 rgba(255,255,255,.5);
  transition: transform .18s, box-shadow .18s, filter .18s;
}
.btn-download:hover { transform: translateY(-2px); box-shadow: 0 16px 34px -10px rgba(242,169,0,.9), inset 0 1px 0 rgba(255,255,255,.5); filter: brightness(1.04); color: var(--navy); }
.btn-download:active { transform: translateY(0); }
.btn-download:focus-visible { outline: 3px solid #fff; outline-offset: 3px; }
.bd-ico { width: 3rem; height: 3rem; border-radius: 12px; background: var(--navy); color: var(--oker); display: grid; place-items: center; flex: none; overflow: hidden; }
.bd-ico svg { transition: transform .25s; }
.btn-download:hover .bd-ico svg { animation: bd-bounce .7s ease-in-out infinite; }
@keyframes bd-bounce { 0%,100% { transform: translateY(-2px); } 50% { transform: translateY(3px); } }
.bd-text { display: flex; flex-direction: column; line-height: 1.2; text-align: left; }
.bd-text strong { font-family: var(--font-head); font-weight: 800; font-size: 1.15rem; }
.bd-text small { font-size: .85rem; font-weight: 600; opacity: .8; margin-top: .15rem; }
@media (prefers-reduced-motion: reduce) { .btn-download, .btn-download:hover .bd-ico svg { transition: none; animation: none; } }
@media (max-width: 520px) { .btn-download { width: 100%; } }

.btn-sm { padding: .55rem 1rem; font-size: .92rem; border-radius: 10px; }
.dl-side { width: 100%; box-shadow: 0 8px 20px -10px rgba(242,169,0,.8); margin-bottom: .35rem; }