/* Kernform Eyewear: light product page. Render backdrops are exactly --stage. */
:root {
  color-scheme: light;
  --page: #fbfbfd;
  --stage: #f5f5f7;
  --ink: #1d1d1f;
  --muted: #6e6e73;
  --line: #d2d2d7;
  --gold: #c6a15b;
  --gold-ink: #8f6f2e;
  --night: #000;
  --night-ink: #f5f5f7;
  --night-muted: #86868b;
  --radius: 28px;
  --wrap: 1080px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--page); color: var(--ink); font: 17px/1.47 var(--font); letter-spacing: -.022em; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
h1, h2, h3, p { margin: 0; }
[hidden] { display: none !important; }

.skip { position: absolute; left: -999px; top: 8px; z-index: 100; background: var(--ink); color: #fff; padding: 8px 14px; border-radius: 8px; }
.skip:focus { left: 8px; }
.wrap { width: min(var(--wrap), 100% - 44px); margin-inline: auto; }

.eyebrow { color: var(--gold-ink); font-size: 17px; font-weight: 600; letter-spacing: -.01em; margin-bottom: 10px; }
.section { padding-block: clamp(90px, 12vw, 160px); }
.section-title { font-size: clamp(40px, 6.2vw, 80px); line-height: 1.05; font-weight: 700; letter-spacing: -.045em; margin-bottom: clamp(40px, 6vw, 72px); }
.section-title span { color: var(--muted); }
.dark .section-title span { color: var(--night-muted); }

.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 26px; border-radius: 980px; font-size: 17px; font-weight: 500; text-decoration: none; transition: background .2s, transform .2s; }
.btn-primary { background: var(--ink); color: #fff; }
.btn-primary:hover { background: #000; }
.btn-primary:active { transform: scale(.98); }
.btn-link { color: #0066cc; text-decoration: none; font-size: 17px; }
.btn-link:hover { text-decoration: underline; }
.badge { display: inline-block; font-size: 12px; font-weight: 600; letter-spacing: .02em; text-transform: uppercase; color: var(--gold-ink); border: 1px solid color-mix(in srgb, var(--gold) 60%, transparent); border-radius: 980px; padding: 4px 10px; margin-bottom: 14px; }

/* Navigation ---------------------------------------------------------------- */
.nav { position: sticky; top: 0; z-index: 50; padding-top: env(safe-area-inset-top, 0px); background: rgba(251, 251, 253, .72); backdrop-filter: saturate(180%) blur(20px); -webkit-backdrop-filter: saturate(180%) blur(20px); border-bottom: 1px solid transparent; transition: border-color .3s; }
.nav.scrolled { border-bottom-color: rgba(0, 0, 0, .08); }
.nav-inner { width: min(1200px, 100% - 44px); margin-inline: auto; height: 64px; display: flex; align-items: center; gap: 28px; }
.nav-logo img { height: 46px; width: auto; }
.nav-links { display: flex; gap: 26px; margin-left: auto; }
.nav-links a { font-size: 13px; color: rgba(29, 29, 31, .8); text-decoration: none; }
.nav-links a:hover { color: var(--ink); }
.nav-cta { font-size: 13px; font-weight: 500; background: var(--ink); color: #fff; padding: 6px 14px; border-radius: 980px; text-decoration: none; }
.nav-toggle { display: none; width: 40px; height: 40px; border: 0; background: none; padding: 0; position: relative; }
.nav-toggle span { position: absolute; left: 11px; right: 11px; height: 1.5px; background: var(--ink); transition: transform .3s var(--ease); }
.nav-toggle span:first-child { top: 16px; }
.nav-toggle span:last-child { top: 23px; }
.nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }

/* Scroll scenes ----------------------------------------------------------------
   .scrolly is tall; .sticky stays pinned while JS writes --p (0..1) on .scrolly.
   Elements with data-range fade in (or out, data-mode="out") within that range. */
.scrolly { position: relative; height: var(--len, 200vh); }
.scrolly > .sticky { position: sticky; top: 0; height: 100vh; height: 100svh; overflow: hidden; }
[data-range] { transition: opacity .5s var(--ease), transform .7s var(--ease); }
[data-range]:not(.on) { opacity: 0; transform: translateY(24px); pointer-events: none; }
[data-range][data-mode="out"]:not(.on) { transform: translateY(-24px); }

/* Hero ------------------------------------------------------------------------ */
.hero { background: var(--stage); }
.hero .sticky { display: block; }
.hero-copy { text-align: center; padding: clamp(28px, 6vh, 72px) 22px 0; position: relative; z-index: 2; }
.hero-copy .eyebrow { margin-bottom: 8px; }
.hero h1 { font-size: clamp(44px, min(7.4vw, 10vh), 92px); line-height: 1.02; font-weight: 700; letter-spacing: -.05em; }
.hero-sub { font-size: clamp(18px, 2.1vw, 23px); line-height: 1.3; color: var(--muted); max-width: 620px; margin: 16px auto 0; }
.hero-price { margin-top: 14px; font-size: 17px; color: var(--muted); }
.hero-price strong { color: var(--ink); font-size: 21px; margin-right: 4px; }
.hero-actions { margin-top: 22px; display: flex; gap: 26px; justify-content: center; align-items: center; flex-wrap: wrap; }
/* The render fills the stage; the frame sits in the lower half and grows towards the viewer. */
.hero-media { margin: 0; position: absolute; inset: 0; z-index: 1; }
.hero-media video { width: 100%; height: 100%; object-fit: cover; object-position: 50% 30%; transform: translateY(calc(11vh - var(--p, 0) * 4vh)) scale(calc(1 + var(--p, 0) * .75)); transform-origin: 50% 58%; will-change: transform; }
.hero-claim { position: absolute; left: 0; right: 0; top: 13vh; z-index: 2; text-align: center; font-size: clamp(36px, 5.4vw, 68px); font-weight: 700; line-height: 1.05; letter-spacing: -.045em; }

/* Highlights bento -------------------------------------------------------------- */
.highlights { background: var(--page); }
.bento { display: grid; grid-template-columns: repeat(6, 1fr); gap: 20px; }
.tile { background: var(--stage); border-radius: var(--radius); padding: 34px 32px; overflow: hidden; position: relative; min-height: 260px; display: flex; flex-direction: column; }
.tile h3 { font-size: clamp(24px, 2.4vw, 30px); line-height: 1.12; font-weight: 700; letter-spacing: -.035em; margin-bottom: 10px; }
.tile p { color: var(--muted); }
.tile-kicker { color: var(--gold-ink) !important; font-weight: 600; margin-bottom: 8px; }
.tile-figure { font-size: clamp(64px, 8vw, 104px); line-height: 1; font-weight: 700; letter-spacing: -.06em; color: var(--ink) !important; margin-bottom: 14px; }
.tile-price { grid-column: span 3; background: var(--ink); }
.tile-price p { color: #a1a1a6; }
.tile-price .tile-figure { color: #fff !important; background: linear-gradient(120deg, #fff 30%, var(--gold)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.tile-fit { grid-column: span 3; }
.tile-sim, .tile-force, .tile-lens { grid-column: span 2; }
.tile-print { grid-column: span 4; padding: 0; background: #0b0b0b; color: var(--night-ink); justify-content: flex-end; min-height: 340px; }
.tile-print img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .9; }
.tile-print div { position: relative; padding: 32px; background: linear-gradient(transparent, rgba(0, 0, 0, .7)); }
.tile-print .tile-kicker { color: var(--gold) !important; }
.tile-hinge { grid-column: span 2; padding: 0; justify-content: flex-start; min-height: 340px; }
.tile-hinge img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.tile-hinge div { position: relative; padding: 32px 32px 60px; background: linear-gradient(var(--stage) 55%, transparent); }
.tile-serial { grid-column: span 3; }
.tile-models { grid-column: span 3; }
.serial { font: 600 clamp(30px, 3.6vw, 44px)/1 ui-monospace, "SF Mono", Menlo, monospace; letter-spacing: .12em; color: var(--ink) !important; margin: 4px 0 18px; }
.serial span { color: var(--gold-ink); }
.lens-swatch { width: 64px; height: 64px; border-radius: 50%; margin-bottom: 18px; background: radial-gradient(circle at 35% 30%, rgba(255, 255, 255, .5), transparent 40%), rgba(40, 42, 44, .85); box-shadow: inset 0 0 0 1px rgba(0, 0, 0, .2); }

/* Worn: AI scenes with gentle parallax (--v runs -1..1 while the image crosses the viewport) */
.worn { background: var(--page); }
.worn-grid { width: min(1240px, 100% - 44px); margin-inline: auto; display: grid; grid-template-columns: 1.5fr 1fr; grid-template-rows: auto auto; gap: 20px; }
.worn-grid figure { margin: 0; }
.worn-a { grid-column: 1; grid-row: 1; }
.worn-b { grid-column: 2; grid-row: 1 / span 2; }
.worn-c { grid-column: 1; grid-row: 2; }
.worn-frame { border-radius: var(--radius); overflow: hidden; height: 100%; background: var(--stage); }
.worn-a .worn-frame, .worn-c .worn-frame { height: auto; aspect-ratio: 3 / 2; }
.worn-b .worn-frame { height: calc(100% - 34px); }
.worn-frame img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.12) translateY(calc(var(--v, 0) * -4%)); will-change: transform; }
.worn figcaption, .force-photo figcaption, .fit-photo figcaption { font-size: 13px; color: var(--muted); padding: 10px 6px 0; }
.ai-note { margin-top: 26px; font-size: 13px; color: var(--muted); text-align: center; }

/* Fit ----------------------------------------------------------------------------- */
.fit { background: var(--stage); }
.fit-intro { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: clamp(32px, 6vw, 80px); align-items: center; margin-bottom: 90px; }
.fit-photo { margin: 0; }
.fit-photo img { border-radius: var(--radius); width: 100%; aspect-ratio: 4 / 5; object-fit: cover; }
.steps { list-style: none; padding: 0; margin: 0; display: grid; gap: 40px; }
.steps h3 { font-size: 28px; font-weight: 700; letter-spacing: -.035em; margin-bottom: 8px; }
.steps p { color: var(--muted); }
.step-n { display: inline-grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; border: 1.5px solid var(--gold); color: var(--gold-ink); font-weight: 600; margin-bottom: 18px; }
.force-demo { background: #fff; border-radius: var(--radius); padding: clamp(28px, 5vw, 60px); display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.force-copy h3 { font-size: clamp(30px, 3.4vw, 44px); font-weight: 700; letter-spacing: -.04em; line-height: 1.08; margin-bottom: 12px; }
.force-copy > p { color: var(--muted); }
.force-control { display: inline-flex; margin-top: 28px; background: var(--stage); border-radius: 980px; padding: 4px; }
.force-control button { font: 500 15px var(--font); border: 0; background: none; color: var(--ink); padding: 10px 22px; border-radius: 980px; cursor: pointer; transition: background .25s, color .25s; }
.force-control button[aria-checked="true"] { background: var(--ink); color: #fff; }
.force-note { margin-top: 14px; color: var(--muted); font-size: 15px; }
.force-photo { margin: 20px 0 0; }
.force-photo .worn-frame { aspect-ratio: 16 / 8; }
.force-photo strong { color: var(--ink); }

/* Collection ----------------------------------------------------------------------- */
.collection { background: var(--page); }
.models { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.model { background: var(--stage); border-radius: var(--radius); padding: 0 0 28px; text-align: center; overflow: hidden; transition: transform .5s var(--ease); }
.model:hover { transform: translateY(-4px); }
.model img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.model h3 { font-size: 24px; font-weight: 700; letter-spacing: -.03em; }
.model p { color: var(--muted); margin-top: 4px; }
.collection-more { text-align: center; color: var(--muted); margin-top: 36px; }

/* Finishes -------------------------------------------------------------------------- */
.finishes { background: var(--stage); text-align: center; }
.finishes .section-title { margin-bottom: 20px; }
.finish-stage { margin: 0 auto; max-width: 1100px; }
.finish-stage img { width: 100%; animation: fade .6s var(--ease); }
@keyframes fade { from { opacity: 0; transform: scale(.985); } }
.swatches { display: flex; justify-content: center; gap: 12px 28px; flex-wrap: wrap; margin-top: 18px; }
.swatches button { display: flex; align-items: center; gap: 10px; border: 0; background: none; font: 15px var(--font); color: var(--ink); cursor: pointer; padding: 6px; text-align: left; }
.swatches i { width: 30px; height: 30px; border-radius: 50%; background: var(--c); box-shadow: inset 0 0 0 1px rgba(0, 0, 0, .15); outline: 2px solid transparent; outline-offset: 3px; transition: outline-color .2s; }
.swatches button[aria-checked="true"] i { outline-color: var(--ink); }
.swatches small { display: block; color: var(--muted); font-size: 12px; }

/* 360 spin ------------------------------------------------------------------------- */
.spin { background: var(--stage); }
.spin .sticky { display: grid; place-items: center; }
.spin-title { position: absolute; top: 12vh; left: 0; right: 0; text-align: center; font-size: clamp(40px, 6.2vw, 80px); line-height: 1.05; font-weight: 700; letter-spacing: -.045em; }
.spin-title span { color: var(--muted); }
.spin-canvas { width: min(1300px, 118vw); height: auto; aspect-ratio: 16 / 9; }
.spin-cap { position: absolute; bottom: 10vh; left: 50%; width: min(560px, 100% - 44px); translate: -50% 0; text-align: center; font-size: clamp(21px, 2.4vw, 28px); line-height: 1.25; color: var(--muted); letter-spacing: -.03em; }
.spin-cap strong { color: var(--ink); }

/* Technik (dark) --------------------------------------------------------------------- */
.dark { background: var(--night); color: var(--night-ink); }
.dark .eyebrow { color: var(--gold); }
.tech { padding-bottom: clamp(90px, 12vw, 160px); }
.tech .section-title { margin-bottom: 0; }
.flight .sticky { display: grid; place-items: center; }
.flight-canvas { width: min(1500px, 120vw); height: auto; aspect-ratio: 16 / 9; }
.flight-cap { position: absolute; left: 50%; bottom: 9vh; translate: -50% 0; width: min(620px, 100% - 44px); text-align: center; font-size: clamp(21px, 2.4vw, 28px); line-height: 1.25; letter-spacing: -.03em; color: var(--night-muted); }
.flight-cap strong { color: var(--night-ink); }
.tech-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; margin-block: clamp(70px, 9vw, 120px); }
.tech-item h3 { font-size: 24px; font-weight: 700; letter-spacing: -.03em; margin-bottom: 8px; }
.tech-item p { color: var(--night-muted); }
.tech-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.tech-card { margin: 0; background: #161617; border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; }
.tech-card img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.tech-card figcaption { padding: 28px 32px 34px; }
.tech-card h3 { font-size: 26px; font-weight: 700; letter-spacing: -.03em; margin-bottom: 8px; }
.tech-card p { color: var(--night-muted); }
.serial-plate { aspect-ratio: 16 / 10; display: grid; place-content: center; gap: 12px; text-align: center; background: radial-gradient(circle at 50% 40%, #2a2a2c, #111 70%); }
.serial-plate span { font: 600 12px/1 var(--font); letter-spacing: .4em; color: var(--night-muted); text-transform: uppercase; }
.serial-plate strong { font: 600 clamp(34px, 4.6vw, 56px)/1 ui-monospace, "SF Mono", Menlo, monospace; letter-spacing: .14em; color: transparent; background: linear-gradient(180deg, #d9d9dc, #8e8e93); -webkit-background-clip: text; background-clip: text; text-shadow: 0 1px 0 rgba(255, 255, 255, .08); }

/* Laser scene ----------------------------------------------------------------------- */
.laser .sticky { display: grid; place-items: center; }
.laser-head { position: absolute; top: 11vh; left: 0; right: 0; text-align: center; padding-inline: 22px; }
.laser-head .section-title { margin: 0; }
/* The render's floor is near-black; the soft mask fades it into the section's black. */
.laser-canvas { width: min(1500px, 120vw); height: auto; aspect-ratio: 16 / 9; -webkit-mask-image: radial-gradient(ellipse 62% 64% at 50% 52%, #000 62%, transparent 100%); mask-image: radial-gradient(ellipse 62% 64% at 50% 52%, #000 62%, transparent 100%); }
.laser-cap { position: absolute; left: 50%; bottom: 8vh; translate: -50% 0; width: min(620px, 100% - 44px); text-align: center; font-size: clamp(20px, 2.3vw, 27px); line-height: 1.28; letter-spacing: -.03em; color: var(--night-muted); }
.laser-cap strong { color: var(--night-ink); }

/* Lenses --------------------------------------------------------------------------- */
.lenses { background: var(--page); }
.lenses-inner { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 90px); align-items: center; }
.lens-visual { display: grid; place-items: center; }
.lens-disc { width: min(380px, 80vw); aspect-ratio: 1; border-radius: 50%; display: grid; place-items: center; background: radial-gradient(circle at 32% 28%, rgba(255, 255, 255, .55), transparent 34%), radial-gradient(circle, rgba(60, 62, 64, .86), rgba(25, 26, 28, .9)); box-shadow: 0 40px 80px -30px rgba(0, 0, 0, .45), inset 0 0 0 2px rgba(255, 255, 255, .12); }
.lens-disc span { color: rgba(255, 255, 255, .9); font-size: clamp(44px, 6vw, 72px); font-weight: 700; letter-spacing: -.05em; }
.specs { margin: 0; border-top: 1px solid var(--line); }
.specs div { display: flex; justify-content: space-between; gap: 20px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.specs dt { color: var(--muted); }
.specs dd { margin: 0; text-align: right; font-weight: 500; }

/* Showcase -------------------------------------------------------------------------- */
.showcase { position: relative; overflow: hidden; }
.showcase img { width: 100%; }
.showcase-copy { position: absolute; left: 0; right: 0; top: 9%; text-align: center; padding-inline: 22px; }
.showcase h2 { font-size: clamp(40px, 6vw, 80px); font-weight: 700; letter-spacing: -.045em; line-height: 1.05; }
.showcase p { color: var(--night-muted); font-size: clamp(19px, 2vw, 24px); margin-top: 8px; }

/* App -------------------------------------------------------------------------------- */
.app { background: var(--stage); text-align: center; }
.app-icon { margin: 0 auto 20px; border-radius: 22.37%; } /* iOS-Eckenradius des App-Symbols */
.app-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; text-align: left; }
.app-item { background: #fff; border-radius: var(--radius); padding: 32px; }
.app-item h3 { font-size: 24px; font-weight: 700; letter-spacing: -.03em; margin-bottom: 8px; }
.app-item p { color: var(--muted); }
.app-note { margin-top: 32px; color: var(--muted); font-size: 14px; }

/* Price ------------------------------------------------------------------------------ */
.price { background: var(--page); }
.price-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.price .section-title { margin-bottom: 18px; }
.price-sub { color: var(--muted); font-size: 19px; }
.included { list-style: none; margin: 0; padding: 0; }
.included li { padding: 16px 0 16px 36px; border-bottom: 1px solid var(--line); position: relative; font-size: 19px; }
.included li::before { content: ""; position: absolute; left: 4px; top: 22px; width: 14px; height: 8px; border-left: 2px solid var(--gold); border-bottom: 2px solid var(--gold); transform: rotate(-45deg); }

/* CTA ---------------------------------------------------------------------------------- */
.cta { background: var(--stage); text-align: center; }
.cta-logo { margin: 0 auto 36px; width: 210px; }
.cta h2 { font-size: clamp(40px, 6vw, 72px); font-weight: 700; letter-spacing: -.045em; line-height: 1.05; }
.cta p { color: var(--muted); font-size: 19px; margin: 14px auto 30px; max-width: 520px; }
.cta-mail { font-size: 14px !important; margin-top: 16px !important; }
.xmas { max-width: 560px; margin: 56px auto 0; padding: 28px 28px 30px; background: var(--page); border: 1px solid rgba(198, 161, 91, .45); border-radius: var(--radius); }
.xmas-eyebrow { color: var(--gold-ink) !important; font-size: 14px !important; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; margin: 0 auto 8px !important; }
.xmas h3 { font-size: 24px; font-weight: 600; letter-spacing: -.03em; }
.cta .xmas p:not(.xmas-eyebrow) { font-size: 15px; margin: 10px auto 18px; }
.xmas-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 28px; font-size: 15px; font-weight: 500; }
.xmas-links a { color: var(--gold-ink); text-decoration: none; }
.xmas-links a:hover { text-decoration: underline; }
.xmas-links span { color: var(--muted); font-weight: 400; }

/* FAQ ---------------------------------------------------------------------------------- */
.faq-inner { max-width: 820px; }
.faq .section-title { font-size: clamp(34px, 4.6vw, 56px); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { list-style: none; cursor: pointer; padding: 22px 40px 22px 0; font-size: 21px; font-weight: 600; letter-spacing: -.025em; position: relative; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 4px; top: 18px; font-size: 28px; font-weight: 300; color: var(--muted); transition: transform .3s var(--ease); }
.faq-list details[open] summary::after { transform: rotate(45deg); }
.faq-list details p { color: var(--muted); padding: 0 40px 24px 0; }

/* Footer -------------------------------------------------------------------------------- */
.footer { background: var(--stage); padding-block: 48px calc(36px + env(safe-area-inset-bottom, 0px)); font-size: 12px; color: var(--muted); }
.footer img { width: 126px; margin-bottom: 24px; }
.footer-note { max-width: 720px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.footer-bottom { display: flex; gap: 22px; flex-wrap: wrap; padding-top: 16px; }
.footer-bottom a { text-decoration: none; }
.footer-bottom a:hover { text-decoration: underline; }

/* Reveal on scroll ------------------------------------------------------------------------ */
.reveal { opacity: 0; transform: translateY(32px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* Responsive ------------------------------------------------------------------------------- */
@media (max-width: 980px) {
  .bento { grid-template-columns: repeat(2, 1fr); }
  .bento .tile { grid-column: span 1; }
  .tile-price, .tile-print, .tile-fit { grid-column: span 2 !important; }
  .models, .app-grid, .tech-grid { grid-template-columns: 1fr 1fr; }
  .force-demo, .lenses-inner, .price-inner, .tech-pair { grid-template-columns: 1fr; }
  .steps { gap: 28px; }
  .fit-intro { grid-template-columns: 1fr; }
  .worn-grid { grid-template-columns: 1fr; }
  .worn-a, .worn-b, .worn-c { grid-column: 1; grid-row: auto; }
  .worn-b .worn-frame { height: auto; aspect-ratio: 4 / 5; }
}
@media (max-width: 760px) {
  body { font-size: 16px; }
  .nav-links { position: fixed; inset: calc(64px + env(safe-area-inset-top, 0px)) 0 auto 0; flex-direction: column; gap: 0; padding: 8px 22px 24px; background: rgba(251, 251, 253, .97); backdrop-filter: blur(20px); border-bottom: 1px solid var(--line); transform: translateY(-8px); opacity: 0; pointer-events: none; transition: opacity .25s, transform .25s var(--ease); }
  .nav-links.open { opacity: 1; transform: none; pointer-events: auto; }
  .nav-links a { font-size: 22px; font-weight: 600; padding: 12px 0; color: var(--ink); }
  .nav-toggle { display: block; margin-left: auto; }
  .nav-cta { display: none; }
  .bento, .models, .app-grid, .tech-grid { grid-template-columns: 1fr; }
  .tile-price, .tile-print, .tile-fit { grid-column: span 1 !important; }
  .tile { min-height: 0; padding: 28px 24px; }
  .hero-media video { object-fit: contain; object-position: 50% 80%; transform: scale(calc(1.3 + var(--p, 0) * 1.1)); transform-origin: 50% 76%; }
  .flight-canvas { width: 170vw; }
  .laser-canvas { width: 165vw; }
  .spin-canvas { width: 160vw; }
  .showcase img { aspect-ratio: 4 / 5; object-fit: cover; }
  .specs dd { max-width: 60%; }
}

/* Without motion: no pinning, everything visible. */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .scrolly { height: auto; }
  .scrolly > .sticky { position: relative; height: auto; min-height: 80vh; }
  [data-range], .reveal { opacity: 1 !important; transform: none !important; transition: none; }
  .hero-media video, .worn-frame img { transform: none; width: 100%; }
  .hero-claim, .flight-cap, .spin-cap, .laser-cap, .laser-head { position: static; translate: none; margin: 16px auto; }
}

/* Texts of the scroll scenes sit above the frame sequences. */
.laser-head, .laser-cap, .flight-cap, .spin-cap, .spin-title, .hero-claim { z-index: 2; }
.laser-cap, .flight-cap, .laser-head { text-shadow: 0 2px 24px rgba(0, 0, 0, .9), 0 0 2px rgba(0, 0, 0, .6); }

/* Holding force: rendered top view per level, crisp force arrows on top. */
.force-visual { margin: 0; justify-self: center; width: 100%; max-width: 620px; }
.force-stage { position: relative; aspect-ratio: 1400 / 1100; }
.force-stage img, .force-overlay { position: absolute; inset: 0; width: 100%; height: 100%; }
.force-stage img { animation: fade .5s var(--ease); }
.force-arrow { stroke: #8f6f2e; stroke-width: 7; stroke-linecap: round; transition: all .6s var(--ease); }
.force-glow { transition: r .6s var(--ease), opacity .6s var(--ease); }
.force-legend { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 6px 16px; font-size: 13px; color: var(--muted); margin-top: 6px; }
.force-legend span { display: inline-block; width: 18px; height: 4px; border-radius: 2px; margin-right: -10px; vertical-align: middle; }
.lg-worn { background: #0f4336; }
.lg-made { background: #e2c587; }
.lg-arrow { background: #8f6f2e; }

/* Robust layering in every browser: masked canvases form their own stacking context
   (Safari paints them over earlier positioned text), so pin both layers explicitly. */
.spin-canvas, .flight-canvas, .laser-canvas { position: relative; z-index: 0; }
.laser-head, .laser-cap, .flight-cap, .spin-cap, .spin-title, .hero-claim { z-index: 3; }
.laser-canvas { margin-top: 14vh; }
.badge-dark { color: var(--gold); border-color: rgba(198, 161, 91, .5); }
/* The studio render's backdrop is near-white: blend it into the white card, fade the edges. */
.force-stage img { mix-blend-mode: multiply; -webkit-mask-image: radial-gradient(ellipse 72% 70% at 52% 50%, #000 60%, transparent 100%); mask-image: radial-gradient(ellipse 72% 70% at 52% 50%, #000 60%, transparent 100%); }

/* Collection: show six, unfold the remaining masters on demand. */
.models-more { margin-top: 20px; }
.models-more .model { opacity: 0; transform: translateY(24px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.models-more.open .model { opacity: 1; transform: none; }
.collection-foot { display: flex; flex-direction: column; align-items: center; gap: 14px; margin-top: 40px; }
.collection-foot .collection-more { margin-top: 0; }
.models-toggle { display: inline-flex; align-items: center; gap: 10px; font: 500 17px var(--font); color: var(--ink); background: var(--stage); border: 0; border-radius: 980px; padding: 13px 24px; cursor: pointer; transition: background .2s; }
.models-toggle:hover { background: #ebebf0; }
.models-toggle i { width: 10px; height: 10px; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: translateY(-3px) rotate(45deg); transition: transform .35s var(--ease); }
.models-toggle[aria-expanded="true"] i { transform: translateY(2px) rotate(-135deg); }
@media (prefers-reduced-motion: reduce) { .models-more .model { opacity: 1; transform: none; transition: none; } }

/* Passgarantie */
.hero-price a { color: inherit; text-decoration: underline; text-decoration-color: color-mix(in srgb, var(--gold) 70%, transparent); text-underline-offset: 3px; }
.guarantee { background: var(--stage); }
.guarantee-steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.guarantee-steps li { background: #fff; border-radius: var(--radius); padding: 32px; }
.guarantee-steps h3 { font-size: 24px; font-weight: 700; letter-spacing: -.03em; margin-bottom: 8px; }
.guarantee-steps p { color: var(--muted); }
.guarantee-note { margin-top: 28px; font-size: 14px; color: var(--muted); max-width: 720px; }
@media (max-width: 980px) { .guarantee-steps { grid-template-columns: 1fr; } }