:root {
  --font-sans: "IBM Plex Sans", sans-serif;
  --font-display: "Archivo", sans-serif;
  --font-mono: "IBM Plex Mono", monospace;
  --radius: 0.5rem;
  --background: oklch(0.93 0.018 78);
  --foreground: oklch(0.2 0.012 250);
  --card: oklch(0.975 0.011 78);
  --card-foreground: oklch(0.2 0.012 250);
  --popover: oklch(0.975 0.011 78);
  --popover-foreground: oklch(0.2 0.012 250);
  --primary: oklch(0.64 0.2 35);
  --primary-foreground: oklch(0.2 0.035 35);
  --secondary: oklch(0.89 0.018 77);
  --secondary-foreground: oklch(0.31 0.015 250);
  --muted: oklch(0.89 0.018 77);
  --muted-foreground: oklch(0.53 0.024 225);
  --accent: oklch(0.7 0.11 170);
  --accent-foreground: oklch(0.16 0.02 250);
  --destructive: oklch(0.577 0.245 27.325);
  --destructive-foreground: oklch(0.984 0.003 247.858);
  --border: oklch(0.77 0.016 80);
  --input: oklch(0.77 0.016 80);
  --ring: oklch(0.64 0.2 35);
  --hero-sky: oklch(0.9 0.025 230);
  --ink: oklch(0.2 0.012 250);
  --panel: oklch(0.16 0.01 250);
  --panel-deep: oklch(0.12 0.008 250);
  --panel-line: oklch(0.25 0.009 250);
  --paper: oklch(0.93 0.018 78);
  --signal: oklch(0.64 0.2 35);
  --meter: oklch(0.7 0.13 76);
  --key: oklch(0.61 0.09 170);
  --light-ink: oklch(0.94 0.012 82);
}

* { box-sizing: border-box; border-color: var(--border); }
body { background-color: var(--background); color: var(--foreground); margin: 0; font-family: var(--font-sans); }
/* iOS Safari paints the strip behind the status bar/notch using body's flat
   background-color, not whatever a nested element like .hero draws over it -
   so on the hero page that strip shows the page's cream --background instead
   of the hero's blue sky unless body itself is told to match it. */
body:has(.hero) { background-color: var(--hero-sky); }
.hero-cta { display: inline-flex; align-items: center; justify-content: center; border: 0; white-space: nowrap; font-size: .875rem; transition: background .25s, transform .25s; }
.menu-button { width: 44px; height: 44px; padding: 0; border: 0; cursor: pointer; }

html { scroll-behavior: smooth; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }

@keyframes media-in { from { transform: scale(1.08); filter: blur(14px); opacity: 0; } to { transform: scale(1); filter: blur(0); opacity: 1; } }
@keyframes rise { from { opacity: 0; transform: translateY(-14px); } to { opacity: 1; transform: translateY(0); } }
@keyframes line-up { from { transform: translateY(110%); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

.slipmat-page { min-width: 0; overflow: hidden; background: var(--paper); color: var(--ink); }
.hero { position: relative; min-height: 100svh; display: flex; flex-direction: column; overflow: hidden; background: var(--hero-sky); }
.hero-media { position: absolute; inset: 0; animation: media-in 1.9s cubic-bezier(.22,1,.36,1) .1s both; }
.hero-media img, .hero-media video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 62%; }
.hero-media video { z-index: 1; }
.hero-poster { z-index: 0; }
.hero-wash { position: absolute; inset: 0; z-index: 2; pointer-events: none; background: linear-gradient(to bottom, oklch(0.94 0.02 230 / .62), oklch(0.94 0.02 230 / .16) 34%, transparent 58%), radial-gradient(120% 70% at 50% 0%, oklch(1 0 0 / .35), transparent 60%); }
.site-header { position: relative; z-index: 55; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 1rem; padding: clamp(1.1rem,2.4vw,1.9rem) clamp(1.25rem,4vw,3.6rem); padding-top: calc(clamp(1.1rem,2.4vw,1.9rem) + env(safe-area-inset-top)); }
.brand { display: flex; align-items: center; gap: .6rem; width: max-content; font-family: var(--font-display); font-size: clamp(1.25rem,2.1vw,1.6rem); font-variation-settings: "wdth" 116, "wght" 800; font-weight: 800; line-height: 1; text-transform: uppercase; color: var(--light-ink); animation: rise .95s cubic-bezier(.22,1,.36,1) .18s both; }
.brand-word { position: relative; display: inline-block; }
/* Blue copy of the wordmark, revealed only inside the moon's disc. --mx/--my/--mr
   are set per video frame from the moon's tracked position (home.html). */
.brand-word-shade { position: absolute; inset: 0; color: oklch(0.34 0.07 255); pointer-events: none;
  -webkit-mask-image: radial-gradient(circle var(--mr, 0px) at var(--mx, -999px) var(--my, -999px), #000 calc(100% - 4px), transparent 100%);
          mask-image: radial-gradient(circle var(--mr, 0px) at var(--mx, -999px) var(--my, -999px), #000 calc(100% - 4px), transparent 100%); }
.brand-mark { position: relative; width: clamp(22px,2vw,27px); aspect-ratio: 1; border-radius: 50%; background: var(--ink); flex: none; }
.brand-mark span { position: absolute; inset: 28%; border-radius: 50%; background: var(--signal); }
.desktop-nav { display: flex; gap: clamp(1.1rem,2.2vw,2.15rem); font-size: clamp(.92rem,1.05vw,1.05rem); color: var(--light-ink); }
.desktop-nav a { border-bottom: 1px solid transparent; transition: border-color .25s, color .25s; }
.desktop-nav a:hover { color: var(--signal); border-color: var(--signal); }
.hero-cta { justify-self: end; height: auto; border-radius: 999px; padding: .78rem 1.3rem; background: var(--signal); color: var(--light-ink); font-family: var(--font-display); font-variation-settings: "wdth" 108, "wght" 800; font-weight: 800; text-transform: uppercase; animation: rise .95s cubic-bezier(.22,1,.36,1) .52s both; }
.hero-cta:hover { background: color-mix(in oklab, var(--signal), var(--ink) 15%); transform: translateY(-2px); }
.menu-button { display: none; justify-self: end; position: relative; z-index: 70; background: transparent; }
.menu-button span { position: absolute; left: 11px; width: 22px; height: 2px; border-radius: 2px; background: var(--ink); transition: .45s cubic-bezier(.76,0,.24,1); }
.menu-button span:nth-child(1) { top: 13px; }.menu-button span:nth-child(2) { top: 18px; width: 15px; }.menu-button span:nth-child(3) { top: 23px; }
.menu-button.is-open span:nth-child(1) { transform: translateY(5px) rotate(45deg); }.menu-button.is-open span:nth-child(2) { opacity: 0; transform: translateX(10px); }.menu-button.is-open span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }
.hero-copy { position: relative; z-index: 3; flex: 1; display: flex; flex-direction: column; justify-content: flex-start; align-items: center; padding: clamp(4rem,16vh,10.5rem) clamp(1.25rem,4vw,3.6rem) 0; pointer-events: none; }
.hero-copy h1 { margin: 0; max-width: 100%; font-family: var(--font-display); font-variation-settings: "wdth" 104, "wght" 800; font-weight: 800; font-size: clamp(2.7rem,4.9vw,5.6rem); line-height: .94; text-transform: uppercase; text-align: center; letter-spacing: 0; color: var(--light-ink); }
.hero-copy h1 > span { display: block; overflow: hidden; padding-bottom: .06em; margin-bottom: -.06em; }
.hero-copy b { display: block; font: inherit; animation: line-up 1.25s cubic-bezier(.22,1,.36,1) .55s both; }
.hero-copy h1 > span:last-child b { animation-delay: .68s; }
.hero-sub { margin: 1.2em 0 0; max-width: 30ch; font-family: var(--font-mono); font-size: clamp(.78rem,1.05vw,.98rem); line-height: 1.55; letter-spacing: .08em; text-transform: uppercase; color: var(--light-ink); animation: rise .95s cubic-bezier(.22,1,.36,1) .95s both; text-align: center; }
@media (max-width: 900px) { .hero-sub { margin-top: .9em; } }
@media (min-width: 901px) { .hero-copy { padding-top: clamp(2rem,6vh,4.5rem); } .hero-copy h1 { font-size: clamp(2.6rem,3.6vw,4.2rem); } }
.eyebrow, .step-copy small, .panel-caption small { font-family: var(--font-mono); text-transform: uppercase; }
.how-section { position: relative; overflow: hidden; background: var(--panel-deep); color: var(--light-ink); padding: clamp(3.5rem,8vh,6.5rem) clamp(1.25rem,4vw,3.6rem); }
.how-section::before { content: ""; position: absolute; inset: -5%; z-index: 0; background: var(--how-bg) center/cover; filter: blur(32px) saturate(1.15) brightness(.45); transform: scale(1.06); }
.how-section::after { content: ""; position: absolute; inset: 0; z-index: 0; background:
    radial-gradient(120% 80% at 50% 20%, oklch(0.16 0.01 250 / .3), oklch(0.09 0.008 250 / .82) 72%),
    linear-gradient(180deg, oklch(0.08 0.006 250 / .5), oklch(0.06 0.005 250 / .9)); }
.section-inner { position: relative; z-index: 1; max-width: 1180px; margin: 0 auto; display: flex; flex-direction: column; gap: clamp(2rem,5vh,3.5rem); }
.section-intro { display: flex; flex-direction: column; gap: .9rem; max-width: 620px; }
.eyebrow { color: var(--signal); font-size: .68rem; }
.section-intro h2 { margin: 0; font-family: var(--font-display); font-variation-settings: "wdth" 108, "wght" 800; font-weight: 800; font-size: clamp(1.9rem,4vw,3.1rem); line-height: .98; text-transform: uppercase; letter-spacing: 0; }
.section-tagline { margin: -.1rem 0 0; font-family: var(--font-display); font-variation-settings: "wdth" 108, "wght" 800; font-weight: 800; font-size: clamp(1.15rem,2vw,1.5rem); line-height: 1; letter-spacing: 0; }
.section-tagline em { color: var(--meter); font-style: normal; }
.section-tagline mark { color: var(--key); background: none; }
.section-intro p { margin: 0; color: color-mix(in oklab, var(--light-ink) 75%, transparent); font-size: 1.02rem; line-height: 1.6; }
.how-grid { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1.05fr); gap: clamp(1.75rem,4vw,3.5rem); align-items: start; }
.step-list { display: flex; flex-direction: column; gap: 1.1rem; }
.step { display: flex; gap: 1.1rem; align-items: flex-start; padding: 1.1rem 1.15rem; border: 1px solid oklch(1 0 0 / .16); border-radius: 8px; background: transparent; color: inherit; text-align: left; cursor: pointer; transition: background .4s, box-shadow .4s; }
.step.active { background: oklch(1 0 0 / .08); backdrop-filter: blur(6px); box-shadow: 0 18px 34px -28px oklch(0 0 0 / .8); }
.step-number { width: 2.4rem; height: 2.4rem; flex: none; border-radius: 50%; display: grid; place-items: center; background: var(--muted); color: var(--muted-foreground); font-family: var(--font-display); font-variation-settings: "wdth" 100, "wght" 800; font-weight: 800; transition: .35s; }
.step.active .step-number { background: var(--signal); color: var(--primary-foreground); transform: scale(1.08); }
.step-copy { display: flex; flex-direction: column; opacity: .52; transition: opacity .35s; }.step.active .step-copy { opacity: 1; }
.step-copy small { color: color-mix(in oklab, var(--light-ink) 55%, transparent); font-size: .64rem; margin-bottom: .35rem; }
.step-copy strong { font-family: var(--font-display); font-variation-settings: "wdth" 104, "wght" 800; font-weight: 800; font-size: 1.15rem; text-transform: uppercase; line-height: 1.1; }
.step-copy > span { margin-top: .4rem; color: color-mix(in oklab, var(--light-ink) 75%, transparent); font-size: .95rem; line-height: 1.55; }
.progress-track { height: 2px; overflow: hidden; background: oklch(1 0 0 / .15); margin-top: .4rem; }.progress-track span { display: block; height: 100%; background: var(--signal); transition: width .1s linear; }
.demo-panel { position: relative; width: min(100%, 320px); aspect-ratio: 4/5; justify-self: start; overflow: hidden; border-radius: 8px; background: var(--panel); box-shadow: 0 30px 60px -40px var(--ink); }
.demo-view { position: absolute; inset: 0; opacity: 0; transform: translateY(36px); pointer-events: none; transition: opacity .5s, transform .5s cubic-bezier(.22,1,.36,1); }
.demo-view.active { opacity: 1; transform: translateY(0); pointer-events: auto; }
.step-visual { display: none; }
.scan-view img, .record-view img, .set-view img { width: 100%; height: 100%; object-fit: cover; object-position: center top; }
.scan-view img { object-position: center 42%; }
.panel-caption { position: absolute; left: 1rem; bottom: 1rem; display: flex; flex-direction: column; gap: .3rem; padding: .6rem .85rem; border-left: 2px solid var(--signal); background: color-mix(in oklab, var(--panel-deep) 94%, transparent); color: var(--light-ink); }
.panel-caption small { color: var(--muted-foreground); font-size: .58rem; }.panel-caption span { font-family: var(--font-mono); font-size: .78rem; }

.cta-section { padding: clamp(3.5rem,9vh,6rem) clamp(1.25rem,4vw,3.6rem); background: var(--panel-deep); color: var(--light-ink); }
.cta-card { position: relative; max-width: 640px; margin: 0 auto; display: flex; flex-direction: column; align-items: center; gap: 1.6rem; padding: clamp(2.2rem,5vw,3.2rem) clamp(1.5rem,4vw,2.5rem); border-top: 1px solid var(--panel-line); border-bottom: 1px solid var(--panel-line); background: radial-gradient(55% 90% at 25% 0%, color-mix(in oklab, var(--light-ink) 8%, transparent), transparent); text-align: center; }
.cta-side { position: absolute; top: -1.5rem; bottom: -1.5rem; width: 1px; background: var(--panel-line); }
.cta-side-left { left: 0; }
.cta-side-right { right: 0; }
.cta-divider { position: absolute; top: 0; bottom: 0; left: 50%; z-index: -1; border-left: 1px dashed var(--panel-line); }
.cta-corner { position: absolute; width: 15px; height: 15px; }
.cta-corner::before, .cta-corner::after { content: ""; position: absolute; background: var(--panel-line); }
.cta-corner::before { top: 50%; left: 0; width: 100%; height: 1px; transform: translateY(-50%); }
.cta-corner::after { top: 0; left: 50%; width: 1px; height: 100%; transform: translateX(-50%); }
.cta-corner-tl { top: -8px; left: -8px; }
.cta-corner-tr { top: -8px; right: -8px; }
.cta-corner-bl { bottom: -8px; left: -8px; }
.cta-corner-br { bottom: -8px; right: -8px; }
.cta-copy h2 { margin: 0; font-family: var(--font-display); font-variation-settings: "wdth" 108, "wght" 800; font-weight: 800; font-size: clamp(1.6rem,3.4vw,2.1rem); line-height: 1.1; text-transform: uppercase; }
.cta-copy p { margin: .6rem 0 0; color: var(--muted-foreground); font-family: var(--font-mono); font-size: .85rem; }
.cta-actions { display: flex; align-items: center; gap: .75rem; }
.cta-btn { display: inline-flex; align-items: center; gap: .4rem; height: 2.9rem; padding: 0 1.5rem; border-radius: 999px; font-family: var(--font-display); font-variation-settings: "wdth" 108, "wght" 800; font-weight: 800; font-size: .82rem; text-transform: uppercase; transition: background .25s, transform .25s, border-color .25s; }
.cta-btn-outline { border: 1px solid color-mix(in oklab, var(--light-ink) 30%, transparent); color: var(--light-ink); }
.cta-btn-outline:hover { border-color: var(--light-ink); background: color-mix(in oklab, var(--light-ink) 10%, transparent); }
.cta-btn-solid { border: 0; background: var(--signal); color: var(--primary-foreground); }
.cta-btn-solid:hover { background: color-mix(in oklab, var(--signal), var(--ink) 15%); transform: translateY(-2px); }
@media (max-width: 480px) { .cta-actions { flex-direction: column; align-self: stretch; }.cta-btn { justify-content: center; align-self: stretch; } }
.mobile-menu { position: fixed; inset: 0; z-index: 50; display: flex; flex-direction: column; justify-content: center; padding: 0 1.25rem; background: color-mix(in oklab, var(--hero-sky) 92%, transparent); backdrop-filter: blur(22px) saturate(140%); visibility: hidden; clip-path: inset(0 0 100% 0); transition: clip-path .85s cubic-bezier(.76,0,.24,1), visibility 0s .85s; }
.mobile-menu.open { visibility: visible; clip-path: inset(0); transition-delay: 0s; }.mobile-menu nav { display: flex; flex-direction: column; }.mobile-menu nav a { font-family: var(--font-display); font-variation-settings: "wdth" 104, "wght" 800; font-weight: 800; font-size: clamp(2.1rem,11vw,3.2rem); line-height: 1.18; text-transform: uppercase; }
.mobile-menu-footer { margin-top: 2.2rem; padding-top: 2.2rem; border-top: 1px solid color-mix(in oklab, var(--ink) 16%, transparent); display: flex; align-items: center; gap: .6rem; }
.mobile-menu-footer .auth-link { flex: 0 0 auto; display: inline-flex; align-items: center; justify-content: center; padding: .8rem 1.05rem; border-radius: 999px; border: 1.5px solid color-mix(in oklab, var(--ink) 32%, transparent); font-family: var(--font-display); font-variation-settings: "wdth" 108, "wght" 800; font-weight: 800; font-size: .78rem; letter-spacing: .05em; text-transform: uppercase; color: var(--ink); background: transparent; transition: background .25s ease, color .25s ease, border-color .25s ease, transform .25s ease; }
.mobile-menu-footer .auth-link:active { transform: scale(.97); }
.mobile-menu-footer .auth-link.is-primary { border-color: var(--signal); background: var(--signal); color: var(--primary-foreground); }
.mobile-menu-footer .auth-link.is-primary:hover { background: color-mix(in oklab, var(--signal) 88%, black); border-color: color-mix(in oklab, var(--signal) 88%, black); }
.mobile-menu-footer .auth-link.is-quiet { border-color: transparent; padding-inline: .75rem; color: color-mix(in oklab, var(--ink) 62%, transparent); margin-left: auto; }
.mobile-menu-footer .auth-link.is-quiet:active { color: var(--ink); transform: none; }

/* ——— Auth pages ——— */
.auth-page { position: relative; min-height: 100svh; display: flex; flex-direction: column; overflow: hidden; background: var(--panel-deep); color: var(--light-ink); }
.auth-bg { position: fixed; inset: -5%; z-index: 0; background-size: cover; background-position: center; filter: blur(32px) saturate(1.15) brightness(.5); transform: scale(1.08); }
.auth-scrim { position: fixed; inset: 0; z-index: 1; background:
    radial-gradient(120% 80% at 50% 28%, oklch(0.16 0.01 250 / .3), oklch(0.09 0.008 250 / .82) 72%),
    linear-gradient(180deg, oklch(0.08 0.006 250 / .55), oklch(0.06 0.005 250 / .9)); }
.auth-brand { position: relative; z-index: 2; align-self: center; margin: calc(clamp(1.4rem,3vw,2.4rem) + env(safe-area-inset-top)) auto 0; color: var(--light-ink); animation: none; }
.auth-brand .brand-mark { background: var(--light-ink); }
.auth-back { display: none; position: absolute; top: calc(clamp(1.4rem,3vw,2.4rem) + env(safe-area-inset-top)); left: clamp(1.25rem,4vw,3rem); z-index: 3; align-items: center; justify-content: center; width: 2.75rem; height: 2.75rem; border-radius: 50%; background: oklch(1 0 0 / .12); backdrop-filter: blur(10px); color: var(--light-ink); transition: background .25s, transform .25s; }
.auth-back:hover { background: oklch(1 0 0 / .2); transform: translateX(-2px); }
.auth-main { position: relative; z-index: 2; flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 2rem 1.25rem 3rem; }
.auth-card { display: flex; flex-direction: column; align-items: center; text-align: center; gap: .9rem; max-width: 26rem; width: 100%; padding: 2.1rem 1.9rem; animation: rise .95s cubic-bezier(.22,1,.36,1) .15s both; }
.auth-logo { display: flex; align-items: center; justify-content: center; width: 3rem; height: 3rem; border-radius: 50%; background: oklch(1 0 0 / .16); margin-bottom: .2rem; }
.auth-logo .brand-mark { background: var(--light-ink); width: 1.15rem; }
.auth-card .eyebrow { margin: 0; color: var(--meter); }
.auth-card h1 { margin: 0; font-family: var(--font-display); font-variation-settings: "wdth" 108, "wght" 800; font-weight: 800; font-size: clamp(1.9rem,3vw,2.6rem); line-height: 1; text-transform: uppercase; letter-spacing: 0; color: var(--light-ink); }
.auth-lede { margin: 0 0 .6rem; color: color-mix(in oklab, var(--light-ink) 72%, transparent); font-size: .98rem; line-height: 1.55; }
.auth-form { width: 100%; text-align: left; display: flex; flex-direction: column; gap: .95rem; }
.auth-field { display: flex; flex-direction: column; gap: .4rem; }
.auth-field span { font-family: var(--font-mono); font-size: .66rem; text-transform: uppercase; color: color-mix(in oklab, var(--light-ink) 65%, transparent); }
.auth-field input, .auth-field select { height: 3rem; padding: 0 1.1rem; border: 1px solid oklch(1 0 0 / .16); border-radius: 1rem; background: oklch(1 0 0 / .08); backdrop-filter: blur(10px); color: var(--light-ink); font: inherit; font-size: .95rem; transition: border-color .25s, box-shadow .25s, background .25s; }
.auth-field input::placeholder { color: oklch(1 0 0 / .45); }
.auth-field input:focus, .auth-field select:focus { outline: none; border-color: var(--signal); box-shadow: 0 0 0 3px oklch(1 0 0 / .12); background: oklch(1 0 0 / .13); }
.auth-field select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='none' stroke='white' stroke-width='1.6'%3E%3Cpath d='M5 7.5 10 12.5 15 7.5'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 1rem center; background-size: 1rem; padding-right: 2.4rem; }
.auth-field select:invalid { color: oklch(1 0 0 / .55); }
.auth-field select option { color: var(--ink); }
.auth-field-row { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: .95rem; }
.auth-input-icon { position: relative; display: flex; align-items: center; }
/* z-index needed because .auth-field input has backdrop-filter, which gives
   it its own stacking context - without this the icon (earlier in the DOM)
   paints underneath that context instead of on top of it. */
.auth-input-icon > svg { position: absolute; left: 1.05rem; z-index: 1; width: 18px; height: 18px; color: oklch(1 0 0 / .45); pointer-events: none; }
.auth-input-icon input { width: 100%; padding-left: 2.9rem; }
.auth-input-icon:has(.auth-eye-toggle) input { padding-right: 2.9rem; }
.auth-eye-toggle { position: absolute; right: .75rem; display: flex; align-items: center; justify-content: center; width: 2rem; height: 2rem; border: none; background: transparent; color: oklch(1 0 0 / .45); cursor: pointer; transition: color .2s; }
.auth-eye-toggle:hover { color: var(--light-ink); }
.auth-eye-toggle.is-visible { color: var(--meter); }
.auth-submit { margin-top: .35rem; height: 3rem; border: none; border-radius: 999px; background: var(--signal); color: var(--primary-foreground); font-family: var(--font-display); font-variation-settings: "wdth" 108, "wght" 800; font-weight: 800; font-size: .92rem; text-transform: uppercase; cursor: pointer; transition: background .25s, transform .25s; }
.auth-submit:hover { background: color-mix(in oklab, var(--signal), white 15%); transform: translateY(-2px); }
.auth-switch { margin: 0; font-size: .88rem; color: color-mix(in oklab, var(--light-ink) 70%, transparent); }
.auth-switch a { color: var(--meter); font-weight: 600; border-bottom: 1px solid transparent; transition: border-color .25s; }
.auth-switch a:hover { border-color: var(--meter); }
.auth-foot { margin: 0; align-self: center; font-family: var(--font-mono); font-size: .66rem; text-transform: uppercase; color: color-mix(in oklab, var(--light-ink) 55%, transparent); }
.auth-foot a:hover { color: var(--meter); }

.oauth-btn { display: flex; align-items: center; justify-content: center; gap: .7rem; height: 3rem; border: 1px solid oklch(1 0 0 / .2); border-radius: 999px; background: oklch(1 0 0 / .08); backdrop-filter: blur(10px); color: var(--light-ink); font-family: var(--font-display); font-variation-settings: "wdth" 108, "wght" 800; font-weight: 800; font-size: .9rem; text-transform: uppercase; cursor: pointer; transition: background .25s, border-color .25s, transform .25s; width: 100%; }
.oauth-btn:hover { background: oklch(1 0 0 / .15); border-color: oklch(1 0 0 / .35); transform: translateY(-2px); }
.oauth-btn:active { transform: scale(.97); }
.oauth-btn:disabled { opacity: 0.6; cursor: not-allowed; }
.oauth-btn svg, .oauth-btn img { width: 20px; height: 20px; flex: none; }

/* Not wired up yet, on both sign in and sign up, on any screen size - greyed
   out rather than removed, so it's clear the option exists but isn't live.
   No :disabled here: the click still needs to fire, to show the toast. */
.oauth-btn.is-soon { opacity: .5; filter: grayscale(.4); cursor: not-allowed; }
.oauth-btn.is-soon:hover { background: oklch(1 0 0 / .08); border-color: oklch(1 0 0 / .2); transform: none; }
.oauth-btn.is-soon:active { transform: none; }
.oauth-soon-tag { font-family: var(--font-mono); font-size: .58rem; letter-spacing: .08em; text-transform: uppercase; color: var(--light-ink); background: oklch(1 0 0 / .16); border-radius: 999px; padding: .2rem .5rem; margin-left: auto; }

.oauth-divider { display: flex; align-items: center; gap: .8rem; margin: .35rem 0; width: 100%; }
.oauth-divider::before, .oauth-divider::after { content: ""; flex: 1; height: 1px; background: oklch(1 0 0 / .15); }
.oauth-divider span { font-family: var(--font-mono); font-size: .66rem; text-transform: uppercase; color: color-mix(in oklab, var(--light-ink) 65%, transparent); }

/* Small toast for the Google buttons above, centred at the bottom of the
   viewport on any screen size - fixed, so it reads the same on the split
   desktop layout and the full-bleed mobile one. */
.toast { position: fixed; left: 50%; bottom: clamp(1.4rem,4vh,2.4rem); z-index: 20; max-width: min(22rem, calc(100vw - 2.5rem)); transform: translate(-50%, .6rem); opacity: 0; pointer-events: none; transition: transform .25s cubic-bezier(.22,1,.36,1), opacity .25s; background: color-mix(in oklab, var(--panel-deep) 96%, transparent); border: 1px solid oklch(1 0 0 / .14); border-radius: .9rem; padding: .8rem 1.1rem; color: var(--light-ink); font-size: .88rem; line-height: 1.45; text-align: center; box-shadow: 0 18px 40px -20px oklch(0 0 0 / .7); }
.toast.show { transform: translate(-50%, 0); opacity: 1; }
@media (prefers-reduced-motion: reduce) { .toast { transition: opacity .25s; transform: translate(-50%, 0); } }

@media (prefers-reduced-motion: reduce) {
  .auth-card { animation: none; }
}

@media (max-width: 900px) {
  .site-header { grid-template-columns: 1fr auto; }.desktop-nav, .hero-cta { display: none; }.menu-button { display: inline-flex; }
  .hero-copy { padding-top: clamp(2.5rem,9.5vh,4.5rem); }.hero-copy h1 { font-size: clamp(2.15rem,8.6vw,3.4rem); }.hero-copy h1 > span { white-space: normal; }
  .hero-media::before { content: ""; position: absolute; inset: -8%; z-index: -1; background: var(--hero-poster) center 22%/cover; filter: blur(30px) saturate(104%); }
  .hero-media img, .hero-media video { top: auto; height: 64svh; object-position: center 62%; mask-image: linear-gradient(180deg,transparent 0%,oklch(0 0 0 / .6) 9%,oklch(0 0 0) 20%); }
  .how-grid { grid-template-columns: minmax(0,1fr); }
  .demo-panel { display: none; }
  .step-visual { display: block; border-radius: 8px; overflow: hidden; border: 1px solid oklch(1 0 0 / .12); box-shadow: 0 20px 40px -30px oklch(0 0 0 / .7); }
  .step-visual.scan-view, .step-visual.record-view, .step-visual.set-view { position: relative; aspect-ratio: 4/5; }
  .auth-field-row { grid-template-columns: 1fr; }
  .auth-back { display: flex; }
  .auth-visual { display: none; }
}

/* Wide auth pages: split into a left image panel and a right form panel,
   instead of the full-bleed blurred photo used below 901px. Same dark
   theme and red accent throughout - only the layout changes. */
@media (min-width: 901px) {
  /* Fixed to the viewport height (not min-height) so the grid row can't grow
     to fit a tall sign-up form - .auth-main scrolls its own overflow instead,
     keeping the video panel static the whole time. */
  .auth-page { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); height: 100svh; overflow: hidden; }
  .auth-bg, .auth-scrim { display: none; }
  .auth-brand { position: relative; z-index: 3; grid-column: 1; grid-row: 1; align-self: start; justify-self: start; margin: clamp(1.6rem,3vw,2.6rem) 0 0 clamp(1.6rem,3vw,2.8rem); text-shadow: 0 1px 16px oklch(0 0 0 / .5); }
  .auth-visual { position: relative; z-index: 1; grid-column: 1; grid-row: 1 / -1; overflow: hidden; }
  .auth-visual-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; }
  .auth-visual::after { content: ""; position: absolute; inset: 0; background:
      linear-gradient(0deg, oklch(0.06 0.005 250 / .82) 0%, oklch(0.06 0.005 250 / .1) 42%, oklch(0.06 0.005 250 / .25) 100%); }
  .auth-visual-copy { position: absolute; z-index: 2; left: clamp(1.6rem,3vw,2.8rem); right: clamp(1.6rem,3vw,2.8rem); bottom: clamp(1.8rem,4vh,3rem); margin: 0; color: var(--light-ink); font-family: var(--font-display); font-variation-settings: "wdth" 106, "wght" 700; font-weight: 700; font-size: clamp(1.3rem,2vw,1.75rem); line-height: 1.25; text-wrap: balance; text-shadow: 0 1px 16px oklch(0 0 0 / .5); }
  .auth-main { grid-column: 2; grid-row: 1 / -1; height: 100svh; overflow-y: auto; justify-content: flex-start; background: var(--panel-deep); }
  /* auto margins, not justify-content:center, so a tall sign-up form doesn't
     clip its own top edge when auth-main scrolls (the classic flex-center +
     overflow bug - centering collapses cleanly to 0 once content overflows). */
  .auth-card { margin: auto 0; max-width: 28rem; }
}

@media (max-height: 640px) {
  .hero-copy { padding-top: 2rem; }.hero-copy h1 { font-size: clamp(1.7rem,5.6vw,2.4rem); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }.hero-media, .brand, .hero-cta, .hero-copy b { animation: none; }.demo-view, .step, .progress-track span { transition: none; }
}