/* ============================================================
   FLOWFINDS SOLUTIONS LTD. — design system
   Monochrome. Rectangular. Typography-led.
   No border-radius, no gradients, no shadows — anywhere.
   (One exception: alpha mask feathers that composite product
   photography into the black page. Not a visible design element.)
   ============================================================ */

@font-face {
  font-family: "Inter var";
  src: url("/assets/fonts/inter-var.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  --black: #000;
  --white: #fff;
  --ink: #171a20;            /* near-black for text on white (Tesla ink) */
  --grey: #8b8f94;
  --grey-dark: #5c5e62;
  --grey-light: #d0d1d2;
  --hair-dark: rgba(255, 255, 255, 0.18);
  --hair-light: rgba(23, 26, 32, 0.15);
  --font: "Inter var", -apple-system, BlinkMacSystemFont, "Helvetica Neue",
    Helvetica, "Segoe UI", Arial, sans-serif;
  --ls-wide: 0.22em;
  --ls-mid: 0.16em;
}

* { margin: 0; padding: 0; box-sizing: border-box; border-radius: 0 !important; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; animation: none !important; }
}

body {
  font-family: var(--font);
  font-weight: 400;
  background: var(--black);
  color: var(--white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-size: 16px;
  line-height: 1.5;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; background: none; border: none; color: inherit; cursor: pointer; }

::selection { background: var(--white); color: var(--black); }
.on-white ::selection { background: var(--ink); color: var(--white); }

/* ---------------- type ---------------- */

.eyebrow {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--grey);
}

h1, .h1 {
  font-size: clamp(42px, 7.2vw, 92px);
  font-weight: 300;
  letter-spacing: -0.015em;
  line-height: 1.04;
}

h2, .h2 {
  font-size: clamp(32px, 4.6vw, 56px);
  font-weight: 300;
  letter-spacing: -0.01em;
  line-height: 1.08;
}

/* phones: the 42px h1 floor leaves "Memory modules." 1px from wrapping at 360px.
   Below 480px, scale with the viewport so headlines never touch the edges. */
@media (max-width: 480px) {
  h1, .h1 { font-size: clamp(30px, 10.4vw, 42px); }
}

.sub {
  font-size: clamp(15px, 1.6vw, 18px);
  font-weight: 400;
  color: var(--grey);
  max-width: 560px;
  margin: 0 auto;
}
.on-white .sub { color: var(--grey-dark); }

/* ---------------- buttons ---------------- */

.btn {
  display: inline-block;
  min-width: 220px;
  padding: 15px 42px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  text-align: center;
  border: 1px solid var(--white);
  color: var(--white);
  background: transparent;
  transition: background 0.25s ease, color 0.25s ease;
  cursor: pointer;
}
.btn:hover { background: var(--white); color: var(--black); }

.btn.solid { background: var(--white); color: var(--black); }
.btn.solid:hover { background: transparent; color: var(--white); }

.on-white .btn { border-color: var(--ink); color: var(--ink); }
.on-white .btn:hover { background: var(--ink); color: var(--white); }
.on-white .btn.solid { background: var(--ink); color: var(--white); border-color: var(--ink); }
.on-white .btn.solid:hover { background: transparent; color: var(--ink); }

.btn-row { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ---------------- nav ---------------- */

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  height: 60px;
  background: transparent;
  transition: background 0.3s ease;
}
.nav.scrolled, .nav.open, .nav.solid { background: var(--black); }

.wordmark {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--white);
}
.wordmark span { color: var(--grey); font-weight: 400; }

.nav-links { display: flex; gap: 34px; }
.nav-links a {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: var(--ls-mid);
  text-transform: uppercase;
  color: var(--white);
  opacity: 0.85;
  transition: opacity 0.2s;
}
.nav-links a:hover { opacity: 1; }

.burger { display: none; flex-direction: column; gap: 7px; padding: 10px 2px; }
.burger i { display: block; width: 26px; height: 1px; background: var(--white); transition: transform 0.3s ease, opacity 0.3s ease; }
.nav.open .burger i:first-child { transform: translateY(4px) rotate(45deg); }
.nav.open .burger i:last-child { transform: translateY(-4px) rotate(-45deg); }

/* burger cuts in at 1080px: seven research-layer links need the room above it */
@media (max-width: 1080px) {
  .nav-links {
    position: fixed;
    inset: 60px 0 0 0;
    background: var(--black);
    flex-direction: column;
    gap: 0;
    padding: 24px 32px;
    display: none;
  }
  .nav.open .nav-links { display: flex; }
  .nav-links a {
    font-size: 13px;
    padding: 20px 0;
    border-bottom: 1px solid var(--hair-dark);
    opacity: 1;
  }
  .burger { display: flex; }
}

/* ---------------- bands (full-bleed sections) ---------------- */

.band {
  width: 100%;
  padding: 120px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  background: var(--black);
  color: var(--white);
  overflow: hidden;
}
.band.on-white { background: var(--white); color: var(--ink); }
.band.tall { min-height: 100svh; justify-content: center; }
.band.hero {
  min-height: 100svh;
  justify-content: flex-start;
  padding-top: 118px;
  padding-bottom: 44px;
}

.band-inner { width: 100%; max-width: 1120px; margin: 0 auto; }

.band .eyebrow { margin-bottom: 18px; }
.band h1, .band h2 { margin-bottom: 14px; }
.band .sub { margin-bottom: 36px; }

/* hero composition: copy on top, art in the middle, specs at the bottom */
.hero-fig {
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  margin: 8px 0 24px;
}
.hero-fig img {
  max-height: clamp(260px, calc(100svh - 520px), 620px);
  max-width: min(96vw, 900px);
  width: auto;
  height: auto;
}

/* .blend: photographic shots (non-knockout) dissolve into the black page.
   Feathers all four edges so the source rectangle never shows.
   Only for photos with a dark background — never for true cutouts. */
img.blend {
  -webkit-mask-image:
    linear-gradient(to right, transparent 0, #000 10%, #000 90%, transparent 100%),
    linear-gradient(to bottom, transparent 0, #000 10%, #000 90%, transparent 100%);
  -webkit-mask-composite: source-in;
  mask-image:
    linear-gradient(to right, transparent 0, #000 10%, #000 90%, transparent 100%),
    linear-gradient(to bottom, transparent 0, #000 10%, #000 90%, transparent 100%);
  mask-composite: intersect;
}

/* product image inside a band */
.band-art { margin: 40px auto; }
.band-art img { width: min(78vw, 640px); margin: 0 auto; }
.band-art.wide img { width: min(86vw, 760px); }

/* ---------------- spec digit blocks (SpaceX) ---------------- */

.specs-strip {
  display: flex;
  justify-content: center;
  align-items: stretch;
  gap: 0;
  margin-top: 48px;
  width: 100%;
}
.spec-block {
  padding: 0 clamp(18px, 4vw, 56px);
  border-left: 1px solid var(--hair-dark);
  text-align: center;
}
.spec-block:first-child { border-left: none; }
.on-white .spec-block { border-left-color: var(--hair-light); }
.on-white .spec-block:first-child { border-left: none; }

.spec-num {
  font-size: clamp(34px, 4.6vw, 64px);
  font-weight: 300;
  letter-spacing: -0.01em;
  line-height: 1.1;
}
.spec-num sup { font-size: 0.42em; font-weight: 400; vertical-align: super; }
.spec-label {
  margin-top: 6px;
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: var(--ls-mid);
  text-transform: uppercase;
  color: var(--grey);
}

@media (max-width: 640px) {
  .specs-strip { flex-wrap: wrap; row-gap: 28px; }
  .spec-block { flex: 1 1 40%; padding: 0 8px; }
  .spec-block:nth-child(odd) { border-left: none; }
}

/* ---------------- price line ---------------- */

.price-line {
  font-size: 15px;
  font-weight: 400;
  letter-spacing: 0.04em;
  margin-bottom: 28px;
}
.price-line .amount { font-weight: 500; }
.price-line .per { color: var(--grey); }

/* dispatch / warranty / returns line next to buy buttons */
.buy-line {
  margin-top: 16px;
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: var(--ls-mid);
  text-transform: uppercase;
  color: var(--grey);
  line-height: 2.1;
}
.buy-line a { color: inherit; border-bottom: 1px solid currentColor; padding-bottom: 1px; }
.buy-line a:hover { color: var(--white); }
.on-white .buy-line a:hover { color: var(--ink); }

/* ---------------- capacity selector ---------------- */

.cap-select { display: flex; justify-content: center; margin: 8px 0 26px; }
.cap-select button {
  min-width: 84px;
  padding: 13px 10px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  border: 1px solid var(--hair-dark);
  border-left-width: 0;
  color: var(--grey);
  transition: color 0.2s, background 0.2s;
}
.cap-select button:first-child { border-left-width: 1px; }
.cap-select button:hover { color: var(--white); }
.cap-select button[aria-pressed="true"] {
  background: var(--white);
  color: var(--black);
  border-color: var(--white);
}
@media (max-width: 640px) {
  /* four fixed 84px buttons overflow the content column below ~380px — share the row instead */
  .cap-select button { min-width: 0; flex: 1 1 0; padding: 13px 6px; }
}

/* ---------------- gallery ---------------- */

.gallery {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  width: 100%;
  max-width: 1000px;
  margin: 0 auto;
}
.gallery img { width: 100%; }
@media (max-width: 640px) { .gallery { grid-template-columns: 1fr; } }

/* ---------------- spec table ---------------- */

.spec-table {
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  border-collapse: collapse;
  text-align: left;
}
.spec-table tr { border-top: 1px solid var(--hair-light); }
.spec-table tr:last-child { border-bottom: 1px solid var(--hair-light); }
.band:not(.on-white) .spec-table tr { border-color: var(--hair-dark); }
.spec-table th {
  padding: 17px 12px 17px 0;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: var(--ls-mid);
  text-transform: uppercase;
  color: var(--grey-dark);
  width: 44%;
  vertical-align: top;
}
.band:not(.on-white) .spec-table th { color: var(--grey); }
.spec-table td { padding: 15px 0; font-size: 15px; }

/* ---------------- 3-up feature columns ---------------- */

.trio {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  max-width: 1000px;
  margin: 0 auto;
  text-align: center;
}
.trio h3 {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: var(--ls-mid);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.trio p { font-size: 14.5px; color: var(--grey); line-height: 1.65; }
.on-white .trio p { color: var(--grey-dark); }
@media (max-width: 760px) { .trio { grid-template-columns: 1fr; gap: 40px; } }

/* ---------------- prose (legal pages) ---------------- */

.prose {
  max-width: 680px;
  margin: 0 auto;
  text-align: left;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--ink);
}
.prose h1 { font-size: clamp(34px, 4.6vw, 52px); margin-bottom: 10px; }
.prose .eyebrow { display: block; margin-bottom: 16px; }
.prose h2 {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: var(--ls-mid);
  text-transform: uppercase;
  margin: 44px 0 12px;
}
.prose p, .prose li { color: var(--grey-dark); margin-bottom: 14px; }
.prose ul { margin: 0 0 14px 0; }
.prose li { padding-left: 18px; position: relative; }
.prose li::before { content: "—"; position: absolute; left: 0; color: var(--grey-light); }
.prose strong { color: var(--ink); font-weight: 500; }
.todo {
  display: block;
  border: 1px solid var(--hair-light);
  padding: 12px 16px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--grey-dark);
  margin: 14px 0;
  text-align: left;
}
.todo::before { content: "TODO — OWNER "; font-weight: 600; letter-spacing: 0.14em; color: var(--ink); }

/* ---------------- footer ---------------- */

footer {
  background: var(--black);
  color: var(--grey);
  padding: 56px 32px 40px;
  border-top: 1px solid var(--hair-dark);
}
.foot-inner { max-width: 1120px; margin: 0 auto; text-align: center; }
.foot-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 26px;
  margin-bottom: 28px;
}
.foot-links a {
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: var(--ls-mid);
  text-transform: uppercase;
  color: var(--grey);
  transition: color 0.2s;
}
.foot-links a:hover { color: var(--white); }
.foot-pay {
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: var(--ls-mid);
  text-transform: uppercase;
  color: var(--grey);
  margin-bottom: 14px;
}
.fine { font-size: 11.5px; letter-spacing: 0.04em; color: var(--grey-dark); line-height: 1.8; }

/* ---------------- reveal on scroll (only when JS is present) ---------------- */

.rv { transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1), transform 0.9s cubic-bezier(0.16, 1, 0.3, 1); }
.js .rv { opacity: 0; transform: translateY(26px); }
.js .rv.in { opacity: 1; transform: none; }
.rv-1 { transition-delay: 0.08s; }
.rv-2 { transition-delay: 0.16s; }
.rv-3 { transition-delay: 0.24s; }
@media (prefers-reduced-motion: reduce) { .rv { opacity: 1; transform: none; } }

/* ---------------- checkout notice ---------------- */

.order-note {
  display: none;
  margin: 18px auto 0;
  max-width: 480px;
  border: 1px solid var(--hair-dark);
  padding: 14px 18px;
  font-size: 13px;
  color: var(--grey);
  letter-spacing: 0.03em;
}
.on-white .order-note { border-color: var(--hair-light); color: var(--grey-dark); }
.order-note.show { display: block; }
.order-note a { text-decoration: underline; }

/* ---------------- status page ---------------- */

.status-mark {
  width: 64px; height: 64px;
  border: 1px solid var(--white);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 30px;
  font-size: 24px; font-weight: 300;
}
.ref-chip {
  display: inline-block;
  border: 1px solid var(--hair-dark);
  padding: 10px 22px;
  font-size: 13px;
  letter-spacing: 0.18em;
  margin: 10px 0 26px;
}

/* small helpers */
.mt-0 { margin-top: 0; } .mt-24 { margin-top: 24px; } .mt-48 { margin-top: 48px; }
.mb-8 { margin-bottom: 8px; } .mb-48 { margin-bottom: 48px; }
.dim { color: var(--grey); }

/* ============================================================
   RESEARCH LAYER — compatibility, compare, guide, testing,
   installation, FAQ. Same system: monochrome, rectangular,
   typography-led. Nothing rounded, nothing shaded.
   ============================================================ */

/* ---------------- link tiles ---------------- */

.link-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  width: 100%;
  max-width: 1000px;
  margin: 0 auto;
}
.link-grid a {
  display: block;
  border: 1px solid var(--hair-dark);
  padding: 26px 22px 22px;
  text-align: left;
  transition: background 0.2s ease, color 0.2s ease;
}
.on-white .link-grid a { border-color: var(--hair-light); }
.link-grid .t {
  display: block;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: var(--ls-mid);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.link-grid .d { display: block; font-size: 13.5px; line-height: 1.55; color: var(--grey); }
.on-white .link-grid .d { color: var(--grey-dark); }
.link-grid a:hover { background: var(--white); color: var(--black); }
.link-grid a:hover .d { color: var(--grey-dark); }
.on-white .link-grid a:hover { background: var(--ink); color: var(--white); }
.on-white .link-grid a:hover .d { color: var(--grey-light); }
@media (max-width: 760px) { .link-grid { grid-template-columns: 1fr; } }

/* ---------------- [TO CONFIRM] marker ---------------- */

.tbc {
  display: inline-block;
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--grey-dark);
  border: 1px solid var(--hair-light);
  padding: 2px 7px;
  white-space: nowrap;
}
.band:not(.on-white) .tbc { color: var(--grey); border-color: var(--hair-dark); }

/* ---------------- compatibility checker ---------------- */

.chk { width: 100%; max-width: 860px; margin: 0 auto; text-align: left; }
.chk-step {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: var(--ls-mid);
  text-transform: uppercase;
  color: var(--grey);
  margin: 40px 0 14px;
}
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  padding: 14px 18px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid var(--hair-dark);
  color: var(--grey);
  cursor: pointer;
  transition: color 0.2s, background 0.2s, border-color 0.2s;
}
.chip:hover { color: var(--white); border-color: var(--white); }
.chip[aria-pressed="true"] { background: var(--white); color: var(--black); border-color: var(--white); }
.chk input[type="text"] {
  width: 100%;
  background: transparent;
  border: 1px solid var(--hair-dark);
  color: var(--white);
  font-family: inherit;
  font-size: 15px;
  letter-spacing: 0.02em;
  padding: 16px;
}
.chk input[type="text"]:focus { outline: none; border-color: var(--white); }
.chk input[type="text"]::placeholder { color: var(--grey-dark); }
.chk-plat-note { margin-top: 14px; font-size: 13.5px; color: var(--grey); line-height: 1.6; }
.verdicts { margin-top: 10px; }
.verdict { border: 1px solid var(--hair-dark); padding: 22px; margin-top: 8px; }
.verdict .vh { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; flex-wrap: wrap; }
.verdict .vn { font-size: 15px; font-weight: 500; letter-spacing: 0.02em; }
.vs {
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: var(--ls-mid);
  text-transform: uppercase;
  padding: 6px 12px;
  border: 1px solid var(--grey-dark);
  color: var(--grey-dark);
  white-space: nowrap;
}
.vs.ok { color: var(--black); background: var(--white); border-color: var(--white); }
.vs.maybe { color: var(--white); border-color: var(--white); }
.verdict .vr { margin-top: 10px; font-size: 13.5px; color: var(--grey); line-height: 1.6; max-width: 640px; }
.verdict .va {
  margin-top: 14px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: var(--ls-mid);
  text-transform: uppercase;
}
.verdict .va a { border-bottom: 1px solid currentColor; padding-bottom: 1px; }
.chk-fine { margin-top: 24px; font-size: 13px; color: var(--grey-dark); line-height: 1.65; }
.band:not(.on-white) .chk-fine { color: var(--grey); }

/* ---------------- comparison table ---------------- */

.table-scroll { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }
.cmp-table {
  width: 100%;
  min-width: 760px;
  max-width: 1060px;
  margin: 0 auto;
  border-collapse: collapse;
  text-align: left;
}
.cmp-table th, .cmp-table td {
  border-top: 1px solid var(--hair-light);
  padding: 16px 20px 16px 0;
  font-size: 14px;
  line-height: 1.55;
  vertical-align: top;
}
.cmp-table tr:last-child th, .cmp-table tr:last-child td { border-bottom: 1px solid var(--hair-light); }
.cmp-table th[scope="row"] {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: var(--ls-mid);
  text-transform: uppercase;
  color: var(--grey-dark);
  width: 19%;
  padding-right: 12px;
}
.cmp-table thead th { border-top: none; font-size: 13.5px; font-weight: 600; letter-spacing: 0.04em; }
.cmp-table thead .cmp-price { display: block; margin-top: 6px; font-size: 13px; font-weight: 400; color: var(--grey-dark); }
.cmp-table td { width: 27%; }

/* ---------------- FAQ ---------------- */

.faq { width: 100%; max-width: 760px; margin: 0 auto; text-align: left; }
.faq details { border-top: 1px solid var(--hair-light); }
.faq details:last-child { border-bottom: 1px solid var(--hair-light); }
.faq summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 20px;
  padding: 22px 0;
  font-size: 15.5px;
  font-weight: 500;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 22px; font-weight: 300; color: var(--grey); line-height: 1; flex: none; }
.faq details[open] summary::after { content: "\2212"; }
.faq .fa { padding: 0 0 26px; font-size: 14.5px; line-height: 1.7; color: var(--grey-dark); max-width: 660px; }
.faq .fa a { text-decoration: underline; }
.faq .fa p { margin-bottom: 12px; }
.faq .fa p:last-child { margin-bottom: 0; }

/* ---------------- numbered steps (installation) ---------------- */

.steps {
  max-width: 680px;
  margin: 0 auto;
  text-align: left;
  list-style: none;
  counter-reset: step;
}
.steps li {
  position: relative;
  padding: 22px 0 22px 64px;
  border-top: 1px solid var(--hair-light);
  counter-increment: step;
  font-size: 15px;
  line-height: 1.7;
  color: var(--grey-dark);
}
.steps li:last-child { border-bottom: 1px solid var(--hair-light); }
.steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 24px;
  font-size: 20px;
  font-weight: 300;
  letter-spacing: 0.02em;
  color: var(--ink);
}
.steps li strong { display: block; color: var(--ink); font-weight: 500; margin-bottom: 4px; }

/* ============================================================
   STRUCTURE LAYER — product-line architecture: sticky in-page
   anchor bar, nav dropdown panels, tile grids, performance
   bars, grouped spec tables, columned footer, shop cards.
   Same system: monochrome, rectangular, typography-led.
   ============================================================ */

/* ---------------- sticky in-page anchor bar ---------------- */

.subnav {
  position: sticky;
  top: 60px;
  z-index: 90;
  display: flex;
  align-items: center;
  gap: 22px;
  min-height: 52px;
  padding: 0 32px;
  background: var(--black);
  color: var(--white);
  border-top: 1px solid var(--hair-dark);
  border-bottom: 1px solid var(--hair-dark);
}
.subnav-name {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  white-space: nowrap;
}
.subnav-links {
  display: flex;
  gap: 26px;
  flex: 1 1 auto;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.subnav-links::-webkit-scrollbar { display: none; }
.subnav-links a {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: var(--ls-mid);
  text-transform: uppercase;
  color: var(--grey);
  padding: 19px 0 17px;
  border-bottom: 1px solid transparent;
  white-space: nowrap;
  transition: color 0.2s;
}
.subnav-links a:hover { color: var(--white); }
.subnav-links a.active { color: var(--white); border-bottom-color: var(--white); }
.subnav .btn { min-width: 0; padding: 9px 22px; font-size: 10.5px; flex: none; }
@media (max-width: 640px) {
  .subnav { padding: 0 16px; gap: 14px; }
  .subnav-name { display: none; }
  .subnav-links { gap: 20px; }
}

/* anchored sections stop below the fixed nav + sticky bar */
section[id], div[id].band { scroll-margin-top: 122px; }

/* ---------------- nav dropdown panels ---------------- */

.nav-links { align-items: center; }
.nav-item { position: relative; }
.nav-drop-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: var(--ls-mid);
  text-transform: uppercase;
  color: var(--white);
  opacity: 0.85;
  padding: 21px 0;
  transition: opacity 0.2s;
}
.nav-drop-btn::after { content: "+"; font-size: 13px; font-weight: 300; line-height: 1; }
.nav-item.open .nav-drop-btn::after { content: "\2212"; }
.nav-drop-btn:hover, .nav-item.open .nav-drop-btn { opacity: 1; }
.nav-panel {
  display: none;
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--black);
  border: 1px solid var(--hair-dark);
  padding: 26px 30px;
  text-align: left;
  gap: 44px;
}
.nav-item.open .nav-panel { display: flex; }
@media (hover: hover) and (min-width: 1081px) {
  .nav-item:hover .nav-panel { display: flex; }
  .nav-item:hover .nav-drop-btn { opacity: 1; }
}
.np-col { min-width: 168px; }
.np-h {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--grey);
  margin-bottom: 12px;
  white-space: nowrap;
}
.nav-links .np-col a {
  display: block;
  font-size: 12.5px;
  font-weight: 400;
  letter-spacing: 0.02em;
  text-transform: none;
  color: var(--white);
  opacity: 0.85;
  padding: 7px 0;
  white-space: nowrap;
}
.nav-links .np-col a:hover { opacity: 1; }
.np-col a .p { color: var(--grey); }
@media (max-width: 1080px) {
  .nav-item { width: 100%; }
  .nav-drop-btn { display: none; }
  .nav-panel {
    display: block;
    position: static;
    transform: none;
    border: none;
    padding: 0;
  }
  .np-col { min-width: 0; }
  .np-h { padding: 20px 0 4px; margin-bottom: 0; border-bottom: 1px solid var(--hair-dark); }
  .nav-links .np-col a { font-size: 13px; padding: 20px 0; border-bottom: 1px solid var(--hair-dark); opacity: 1; }
}

/* ---------------- feature tile grid (platform band) ---------------- */

.tile-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  width: 100%;
  max-width: 1000px;
  margin: 0 auto;
  text-align: left;
}
.tile-grid .tile { border: 1px solid var(--hair-dark); padding: 26px 22px 22px; }
.on-white .tile-grid .tile { border-color: var(--hair-light); }
.tile-grid h3 {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: var(--ls-mid);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.tile-grid p { font-size: 13.5px; line-height: 1.55; color: var(--grey); }
.on-white .tile-grid p { color: var(--grey-dark); }
@media (max-width: 760px) { .tile-grid { grid-template-columns: 1fr; } }

/* ---------------- performance bars ---------------- */

.perf { width: 100%; max-width: 720px; margin: 44px auto 0; text-align: left; }
.perf-row { margin-bottom: 24px; }
.perf-row:last-of-type { margin-bottom: 0; }
.perf-row .pl {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 8px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: var(--ls-mid);
  text-transform: uppercase;
  color: var(--grey);
}
.perf-row .pl .pv { color: var(--white); font-weight: 500; white-space: nowrap; }
.on-white .perf-row .pl .pv { color: var(--ink); }
.perf-bar { height: 32px; border: 1px solid var(--hair-dark); position: relative; overflow: hidden; }
.on-white .perf-bar { border-color: var(--hair-light); }
.perf-bar i {
  position: absolute;
  top: 0; left: 0; bottom: 0;
  width: var(--w);
  background: var(--white);
  transition: width 1.1s cubic-bezier(0.16, 1, 0.3, 1) 0.2s;
}
.on-white .perf-bar i { background: var(--ink); }
.js .rv:not(.in) .perf-bar i { width: 0; }
.perf-cap { margin-top: 20px; font-size: 12.5px; line-height: 1.6; color: var(--grey); }
.on-white .perf-cap { color: var(--grey-dark); }

/* ---------------- grouped spec table ---------------- */

.spec-table tr.grp, .cmp-table tr.grp { border-top: none; }
.spec-table tr.grp th, .cmp-table tr.grp th {
  padding: 36px 0 10px;
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--ink);
  width: auto;
}
.band:not(.on-white) .spec-table tr.grp th { color: var(--white); }
.spec-table tr.grp:first-child th, .cmp-table tbody tr.grp:first-child th { padding-top: 8px; }

/* expandable full-spec group (native details) */
.spec-x { width: 100%; max-width: 720px; margin: 0 auto; text-align: left; }
.spec-x summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 20px;
  padding: 20px 0;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: var(--ls-mid);
  text-transform: uppercase;
  border-top: 1px solid var(--hair-light);
}
.band:not(.on-white) .spec-x summary { border-color: var(--hair-dark); }
.spec-x summary::-webkit-details-marker { display: none; }
.spec-x summary::after { content: "+"; font-size: 18px; font-weight: 300; color: var(--grey); line-height: 1; }
.spec-x[open] summary::after { content: "\2212"; }

/* ---------------- compare table: sticky reference lines ---------------- */

/* the base .band clips overflow, which disables position:sticky inside it —
   the compare table band opts out so its header row can pin */
.band.no-clip { overflow: visible; }

@media (min-width: 900px) {
  .table-scroll { overflow-x: visible; }
  .cmp-table thead th {
    position: sticky;
    top: 112px;
    z-index: 5;
    background: var(--white);
    padding-top: 14px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--hair-light);
  }
}
@media (max-width: 899px) {
  .cmp-table th[scope="row"],
  .cmp-table thead th:first-child {
    position: sticky;
    left: 0;
    z-index: 2;
    background: var(--white);
  }
}

/* ---------------- shop band card ---------------- */

.shop-card {
  border: 1px solid var(--hair-dark);
  padding: 44px 28px 40px;
  max-width: 560px;
  margin: 0 auto;
}
.on-white .shop-card { border-color: var(--hair-light); }
.shop-card img { margin: 0 auto 26px; max-height: 220px; width: auto; }
.shop-card .sc-name {
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}

/* ---------------- columned footer ---------------- */

.foot-cols {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 36px;
  max-width: 1120px;
  margin: 0 auto 44px;
  text-align: left;
}
.foot-h {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 14px;
}
.foot-cols a {
  display: block;
  font-size: 12.5px;
  letter-spacing: 0.03em;
  color: var(--grey);
  padding: 5px 0;
  transition: color 0.2s;
}
.foot-cols a:hover { color: var(--white); }
@media (max-width: 760px) { .foot-cols { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 420px) { .foot-cols { grid-template-columns: 1fr; } }