/* ==========================================================================
   Brace — Design tokens
   ========================================================================== */
:root {
  /* Brand palette: the single source of truth for every green on the site */
  --brace-green:       #107855;  /* primary: buttons, links, checkmarks, highlighted words, icons */
  --brace-green-hover: #0d6347;  /* hover/pressed state for anything using --brace-green */
  --brace-green-deep:  #0e3d2e;  /* large dark surfaces only (e.g. the Request access card) */
  --brace-sage:        #a2c5aa;  /* soft accents, light part of the logo */
  --brace-mint:        #e4efe8;  /* soft backgrounds: icon tiles, chips/badges, light panels */
  --brace-navy:        #141b2d;  /* headings */
  --brace-cream:       #f9f8f5;  /* page background */

  /* Brand (aliases used throughout the stylesheet) */
  --color-primary: var(--brace-green);
  --color-primary-dark: var(--brace-green-hover);
  --color-primary-light: var(--brace-sage);
  --color-primary-tint: var(--brace-mint);
  --color-primary-deep: var(--brace-green-deep);
  --color-navy: #1F2F3E;
  --color-ink: #10203A;

  /* Neutrals */
  --color-bg: #FAF9F5;
  --color-surface: #FFFFFF;
  --color-surface-muted: #F3F6F3;
  --color-border: #E3E8E3;
  --color-text: #10203A;
  --color-text-muted: #4B5A6C;
  --color-text-faint: #8091A3;

  /* Semantic */
  --color-success: var(--brace-green);
  --color-warning: #B0690A;
  --color-danger: #C23B2E;
  --color-warning-tint: #FCEEDC;
  --color-info-tint: #E6EDF7;
  --color-info: #1D3A5E;

  /* Type */
  --font-sans: 'Plus Jakarta Sans', 'Helvetica Neue', Arial, sans-serif;
  --font-serif: 'Instrument Serif', Georgia, serif;
  --font-wordmark: 'Fraunces', Georgia, serif;

  --fs-xs: 0.8125rem;   /* 13px */
  --fs-sm: 0.9375rem;   /* 15px */
  --fs-base: 1.0625rem; /* 17px */
  --fs-md: 1.1875rem;   /* 19px */
  --fs-lg: 1.375rem;    /* 22px */
  --fs-xl: 1.75rem;     /* 28px */
  --fs-2xl: clamp(2rem, 3.4vw, 2.75rem);     /* 32–44px */
  --fs-display: clamp(2.5rem, 5.6vw, 4rem);  /* 40–64px */
  --fs-hero: clamp(2.75rem, 7vw, 5.25rem);   /* 44–84px */

  /* Spacing (4/8 system) */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 40px;
  --space-8: 48px;
  --space-9: 64px;
  --space-10: 96px;
  --space-11: 128px;

  /* Radii */
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-full: 999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(16, 32, 58, 0.06);
  --shadow-md: 0 16px 32px -20px rgba(16, 32, 58, 0.22);
  --shadow-lg: 0 32px 64px -28px rgba(16, 32, 58, 0.28);

  /* Motion */
  --ease-out: cubic-bezier(0.16, 0.84, 0.44, 1);
  --dur-fast: 150ms;
  --dur-base: 280ms;
  --dur-slow: 560ms;

  /* Layout */
  --container-w: 1200px;
  --content-w: 1320px;   /* width shared by every page section */
  --section-y: 96px;     /* top and bottom spacing shared by every page section */
  --header-h: 120px;
  --zoom: 1;             /* desktop renders at 75% by default (see the zoom rule below) */

  /* Z-index */
  --z-header: 100;
  --z-mobile-nav: 90;
}

/* Default desktop view: 75% scale, the way the design reads best on a large screen.
   Phones and small tablets keep their normal size. */
@media (min-width: 901px) {
  :root { --zoom: 0.75; }
  html { zoom: 0.75; }
}

/* ==========================================================================
   Reset
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
  -webkit-text-size-adjust: 100%;
}
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
h1, h2, h3, h4, p, figure { margin: 0; }
ul { list-style: none; margin: 0; padding: 0; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
input { font: inherit; color: inherit; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

/* The `hidden` attribute must always win over component display rules
   (e.g. `.product__grid { display: grid }`, `.capture-success { display: flex }`),
   otherwise toggling `el.hidden` in JS silently does nothing. */
[hidden] { display: none !important; }

.skip-link {
  position: absolute; left: 12px; top: -60px;
  background: var(--color-navy); color: #fff;
  padding: 10px 16px; border-radius: var(--radius-sm);
  font-size: var(--fs-sm); font-weight: 600;
  z-index: 999; transition: top var(--dur-fast) var(--ease-out);
}
.skip-link:focus { top: 12px; }

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: 4px;
}

.container {
  max-width: var(--content-w);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

/* ==========================================================================
   Typography helpers
   ========================================================================== */
.accent-serif {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--color-primary);
  letter-spacing: -0.01em;
}

/* ==========================================================================
   Logo
   ========================================================================== */
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.logo__mark { flex-shrink: 0; }
.logo__word {
  font-family: var(--font-wordmark);
  font-optical-sizing: auto;
  font-style: normal;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--color-navy);
}

/* ==========================================================================
   Animated logo mark (plays whenever the mark scrolls into view)
   ========================================================================== */
.logo-anim__all,
.logo-anim__p { transform-box: view-box; transform-origin: 179px 184px; }
/* Hidden until the mark is fully in view and its animation starts */
.logo-anim-ready .logo-anim:not(.is-animating) .logo-anim__p { opacity: 0; }
.logo-anim.is-animating .logo-anim__light { animation: logo-in-light 2.2s cubic-bezier(.2, .8, .2, 1) both; }
.logo-anim.is-animating .logo-anim__top { animation: logo-in-top 2.4s cubic-bezier(.3, 1.35, .4, 1) .3s both; }
.logo-anim.is-animating .logo-anim__bot { animation: logo-in-bot 2.4s cubic-bezier(.3, 1.35, .4, 1) .6s both; }
.logo-anim.is-animating .logo-anim__all {
  animation: logo-settle 3.2s cubic-bezier(.2, .8, .2, 1) both, logo-sway 14s ease-in-out 3.2s infinite;
}
@keyframes logo-in-light { from { opacity: 0; transform: rotate(-120deg) scale(.4); } to { opacity: 1; transform: none; } }
@keyframes logo-in-top { from { opacity: 0; transform: rotate(-150deg) translate(-30px, -30px) scale(.6); } 40% { opacity: 1; } to { opacity: 1; transform: none; } }
@keyframes logo-in-bot { from { opacity: 0; transform: rotate(-150deg) translate(30px, 30px) scale(.6); } 40% { opacity: 1; } to { opacity: 1; transform: none; } }
@keyframes logo-settle { from { transform: rotate(25deg); } to { transform: none; } }
@keyframes logo-sway { 0%, 100% { transform: none; } 50% { transform: rotate(-6deg) scale(1.02); } }
@media (prefers-reduced-motion: reduce) {
  .logo-anim .logo-anim__all, .logo-anim .logo-anim__p { animation: none !important; }
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 52px;
  padding: 0 28px;
  border-radius: var(--radius-full);
  font-size: var(--fs-sm);
  font-weight: 700;
  white-space: nowrap;
  transition: transform var(--dur-fast) var(--ease-out),
              background-color var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-fast) var(--ease-out),
              opacity var(--dur-fast) var(--ease-out);
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.55;
  pointer-events: none;
  transform: none;
}

.btn--primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn--sm { height: 44px; padding: 0 20px; font-size: var(--fs-xs); }
.btn--primary:hover,
.btn--primary:focus-visible { background: var(--brace-green-hover); box-shadow: var(--shadow-md); }
.btn:focus-visible { outline: 2px solid var(--brace-green); outline-offset: 2px; }
.final .btn:focus-visible { outline-color: #fff; }

.btn__spinner { display: none; animation: spin 0.8s linear infinite; }
.is-loading .btn__label { opacity: 0; }
.is-loading .btn__spinner { display: block; position: absolute; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ==========================================================================
   Header / Nav
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  padding: 40px var(--space-6) var(--space-4);
  transition: padding var(--dur-base) var(--ease-out);
}
.site-header__inner {
  max-width: var(--container-w);
  margin: 0 auto;
  height: 64px;
  padding: 0 8px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background-color var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out),
              border-color var(--dur-base) var(--ease-out);
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  margin-left: auto;
  margin-right: var(--space-2);
}

/* Toggle-style items: the active one sits in a white pill */
.primary-nav a,
.site-header .logo {
  padding: 10px 18px;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  transition: background-color var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-fast) var(--ease-out),
              border-color var(--dur-fast) var(--ease-out);
}
.site-header .logo { padding: 8px 18px 8px 14px; }
.primary-nav a {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-text);
}
.primary-nav a:hover { background: rgba(255, 255, 255, 0.6); }
.primary-nav a.is-active,
.site-header .logo.is-active {
  background: var(--color-surface);
  border-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-full);
}
.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--color-navy);
  margin: 0 auto;
  transition: transform var(--dur-fast) var(--ease-out), opacity var(--dur-fast) var(--ease-out);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav {
  display: none;
  flex-direction: column;
  gap: var(--space-2);
  position: absolute;
  left: var(--space-6);
  right: var(--space-6);
  top: 100%;
  max-width: var(--container-w);
  margin: var(--space-3) auto 0;
  padding: var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transform: translateY(-8px);
  pointer-events: none;
  transition: opacity var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out);
  z-index: var(--z-mobile-nav);
}
/* `display` here is intentionally NOT overridden by the [hidden] rule above —
   .mobile-nav never carries the hidden attribute; open/closed is opacity-driven
   so the slide/fade transition can run. It stays out of flow via position:absolute
   at all times, so visibility has no effect on page layout. */
.mobile-nav.is-open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.mobile-nav a {
  padding: var(--space-3) var(--space-2);
  font-size: var(--fs-md);
  font-weight: 600;
  border-radius: var(--radius-sm);
}
.mobile-nav a:hover { background: var(--color-surface-muted); }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative;
  min-height: calc(100svh / var(--zoom) - 48px);
  margin: calc(24px - var(--header-h)) 24px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: calc(var(--header-h) - 24px + var(--space-8)) var(--space-6) var(--space-10);
  overflow: hidden;
  isolation: isolate;
  border-radius: 44px;
  background: color-mix(in srgb, var(--brace-sage) 55%, white);
}

.hero__bg { position: absolute; inset: 0; z-index: -1; }
.hero__blob { position: absolute; border-radius: 50%; will-change: transform; animation: drift 22s ease-in-out infinite alternate; }
.hero__blob--a {
  width: 760px; height: 760px; left: -220px; bottom: -280px;
  background: radial-gradient(closest-side, color-mix(in srgb, var(--brace-green) 28%, var(--brace-sage)), transparent);
  opacity: 0.7;
}
.hero__blob--b {
  width: 640px; height: 640px; right: -180px; top: 30%;
  background: radial-gradient(closest-side, color-mix(in srgb, var(--brace-green) 6%, white), transparent);
  opacity: 0.9;
  animation-delay: -8s;
}
.hero__blob--c {
  width: 560px; height: 560px; right: 4%; top: -260px;
  background: radial-gradient(closest-side, color-mix(in srgb, var(--brace-green) 16%, var(--brace-sage)), transparent);
  opacity: 0.5;
  animation-delay: -14s;
}
@keyframes drift {
  from { transform: translate(0, 0) scale(1); }
  to { transform: translate(30px, 40px) scale(1.08); }
}

.hero__inner { max-width: 1240px; display: flex; flex-direction: column; align-items: center; }

.hero__mark { position: relative; width: clamp(96px, 10vw, 148px); aspect-ratio: 1; margin-bottom: var(--space-8); }
.hero__mark-svg { position: relative; width: 100%; height: 100%; display: block; }
.hero__ring {
  position: absolute; left: 50%; top: 50%;
  border-radius: 50%;
  border: 1px solid color-mix(in srgb, var(--brace-green) 20%, transparent);
  transform: translate(-50%, -50%);
  aspect-ratio: 1;
}
.hero__ring--1 { width: 285%; }
.hero__ring--2 { width: 350%; border-color: color-mix(in srgb, var(--brace-green) 10%, transparent); }
.hero__ring--3 { width: 440%; border-color: color-mix(in srgb, var(--brace-green) 5%, transparent); }

.hero__title {
  font-size: var(--fs-hero);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.04;
  color: var(--brace-green-deep);
}
.hero__accent { color: var(--brace-green); }

.hero__sub {
  margin: var(--space-6) auto 0;
  max-width: 680px;
  font-size: var(--fs-md);
  color: var(--brace-green-deep);
  line-height: 1.6;
}

.hero__cta {
  margin-top: var(--space-7);
  width: 100%;
  max-width: 480px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}

.capture-form {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-md);
}
.capture-form input {
  width: 280px;
  max-width: 44vw;
  height: 48px;
  border: 0;
  outline: none;
  background: transparent;
  padding: 0 18px;
  font-size: var(--fs-base);
  color: var(--color-text);
}
.capture-form input::placeholder { color: var(--color-text-faint); }
.capture-form.is-invalid input {
  box-shadow: inset 0 0 0 2px var(--color-danger);
  border-radius: var(--radius-full);
}
.capture-form .btn { position: relative; }
.hero .capture-form { width: 100%; }
.hero .capture-form input { flex: 1; width: auto; min-width: 0; max-width: none; }

.capture-success {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 60px;
  padding: 0 26px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-primary-dark);
}
.capture-error {
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--color-danger);
}

/* Hero entrance */
.intro { opacity: 0; transform: translateY(28px); }
.hero.is-ready .intro {
  animation: rise 0.9s var(--ease-out) forwards;
}
.hero.is-ready .intro[data-delay="1"] { animation-delay: 0.08s; }
.hero.is-ready .intro[data-delay="2"] { animation-delay: 0.16s; }
@keyframes rise {
  from { opacity: 0; transform: translateY(28px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   Scroll reveal (shared)
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   Page sections (About / Product / Request Access)
   ========================================================================== */

/* ==========================================================================
   About (24-month timeline)
   ========================================================================== */
.about { padding: var(--section-y) 0; }
.about__head { max-width: 720px; margin: 0 auto var(--space-9); text-align: center; }
.about__head h2 {
  font-size: var(--fs-display);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin-bottom: var(--space-4);
}
.about__head p { font-size: var(--fs-md); color: var(--color-text-muted); line-height: 1.6; }
.tl-panel { border-radius: var(--radius-lg); background: var(--color-surface-muted); padding: 40px 32px 32px; overflow-x: auto; }
.tl {
  --t: 10s;
  min-width: 980px;
  display: grid;
  grid-template-columns: 120px repeat(24, minmax(0, 1fr));
  grid-template-rows: auto 26px 24px 26px auto auto;
  align-items: center;
}
.tl__lane { font-size: 12px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--color-text-muted); }
.tl__lane--brace { color: var(--color-primary); }
.tl__box {
  background: var(--color-surface);
  border: 1px solid #fff;
  border-radius: 12px;
  padding: 10px 14px;
  display: flex;
  flex-direction: column;
  gap: 3px;
  box-shadow: 0 1px 2px rgba(16, 32, 58, 0.04), 0 8px 20px -14px rgba(16, 32, 58, 0.16);
}
.tl__t { font-size: 14px; font-weight: 700; color: var(--color-text); white-space: nowrap; }
.tl__s { font-size: 12px; color: var(--color-text-muted); white-space: nowrap; }
.tl__box--brace { flex-direction: row; align-items: center; gap: 8px; padding: 10px 12px; background: var(--color-primary-tint); border-color: color-mix(in srgb, var(--brace-green) 25%, white); box-shadow: none; color: var(--color-primary); }
.tl__box--brace svg { flex-shrink: 0; }
.tl__txt { display: flex; flex-direction: column; gap: 3px; }
.tl__box--brace .tl__t { color: var(--color-primary-dark); }
.tl__box--brace .tl__s { color: var(--brace-green-hover); }
.tl__box--done { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.tl__box--done svg path { stroke: var(--color-primary); }
.tl__box--done .tl__t { color: #fff; }
.tl__box--done .tl__s { color: var(--color-primary-tint); }
.tl__conn { justify-self: center; width: 0; height: 100%; border-left: 1.5px dashed color-mix(in srgb, var(--brace-green) 20%, white); }
.tl__conn--brace { border-left-color: var(--color-primary-light); }
.tl__track { height: 4px; margin: 0 calc(100% / 48); border-radius: 2px; background: var(--color-border); overflow: hidden; }
.tl__fill { width: 100%; height: 4px; background: var(--color-primary); transform-origin: left; }
.tl__dot { justify-self: center; width: 6px; height: 6px; border-radius: 50%; background: #fff; border: 1.5px solid color-mix(in srgb, var(--brace-green) 20%, white); }
.tl__pt { justify-self: center; width: 16px; height: 16px; border-radius: 50%; background: var(--color-primary); box-shadow: 0 0 0 5px color-mix(in srgb, var(--brace-green) 14%, transparent); }
.tl__month { justify-self: center; padding-top: 20px; font-size: 12px; color: var(--color-text-muted); white-space: nowrap; }

/* The track fills month by month and each event appears as the fill reaches it.
   It plays once and stays complete; it only replays after the panel has left the screen and returns. */
@keyframes tl-fill { 0%, 5% { transform: scaleX(0); } 85%, 100% { transform: scaleX(1); } }
@keyframes tl-e1 { 0%, 5% { opacity: 0; transform: translateY(6px); } 9%, 100% { opacity: 1; transform: none; } }
@keyframes tl-e2 { 0%, 26% { opacity: 0; transform: translateY(6px); } 30%, 100% { opacity: 1; transform: none; } }
@keyframes tl-e3 { 0%, 43% { opacity: 0; transform: translateY(6px); } 47%, 100% { opacity: 1; transform: none; } }
@keyframes tl-e4 { 0%, 64% { opacity: 0; transform: translateY(6px); } 68%, 100% { opacity: 1; transform: none; } }
@keyframes tl-e5 { 0%, 85% { opacity: 0; transform: translateY(6px); } 89%, 100% { opacity: 1; transform: none; } }
/* Before it plays (script running, panel not yet in view) everything waits in its starting state */
.mk-anim-ready .tl:not(.is-playing) .tl__fill { transform: scaleX(0); }
.mk-anim-ready .tl:not(.is-playing) [class*="tl-e"] { opacity: 0; }
.tl.is-playing .tl__fill { animation: tl-fill var(--t) linear 1 both; }
.tl.is-playing .tl-e1 { animation: tl-e1 var(--t) ease-out 1 both; }
.tl.is-playing .tl-e2 { animation: tl-e2 var(--t) ease-out 1 both; }
.tl.is-playing .tl-e3 { animation: tl-e3 var(--t) ease-out 1 both; }
.tl.is-playing .tl-e4 { animation: tl-e4 var(--t) ease-out 1 both; }
.tl.is-playing .tl-e5 { animation: tl-e5 var(--t) ease-out 1 both; }
@media (prefers-reduced-motion: reduce) { .tl *, .tl *::before { animation: none !important; } }

/* Narrow screens: the 24-month timeline becomes a vertical story instead of a sideways scroll */
@media (max-width: 1000px) {
  .tl-panel { overflow: visible; padding: var(--space-6) var(--space-5); }
  .tl { min-width: 0; position: relative; grid-template-columns: 22px minmax(0, 1fr); grid-template-rows: none; grid-auto-flow: row; row-gap: 10px; column-gap: 14px; align-items: start; }
  .tl::before { content: ''; position: absolute; left: 10px; top: 20px; bottom: 20px; width: 2px; background: var(--color-primary-light); opacity: 0.6; border-radius: 2px; }
  .tl__lane, .tl__track, .tl__dot, .tl__conn, .tl__month { display: none; }
  .tl__pt, .tl__box { grid-row: auto !important; justify-self: stretch !important; }
  .tl__pt { grid-column: 1 !important; grid-row: span 2 !important; justify-self: center !important; align-self: start; margin-top: 16px; position: relative; }
  .tl__box { grid-column: 2 !important; }
  .tl__t, .tl__s { white-space: normal; }
  .tl__pt.tl-e1 { order: 10; } .tl__box.tl-e1 { order: 11; } .tl__box--brace.tl-e1 { order: 12; margin-bottom: var(--space-4); }
  .tl__pt.tl-e2 { order: 20; } .tl__box.tl-e2 { order: 21; } .tl__box--brace.tl-e2 { order: 22; margin-bottom: var(--space-4); }
  .tl__pt.tl-e3 { order: 30; } .tl__box.tl-e3 { order: 31; } .tl__box--brace.tl-e3 { order: 32; margin-bottom: var(--space-4); }
  .tl__pt.tl-e4 { order: 40; } .tl__box.tl-e4 { order: 41; } .tl__box--brace.tl-e4 { order: 42; margin-bottom: var(--space-4); }
  .tl__pt.tl-e5 { order: 50; } .tl__box.tl-e5 { order: 51; } .tl__box--brace.tl-e5 { order: 52; }
}

/* ==========================================================================
   Product ("What we're building")
   ========================================================================== */
.product { padding: var(--section-y) 0; }
.product__head { max-width: 640px; margin: 0 auto var(--space-9); text-align: center; }
.product__head h2 {
  font-size: var(--fs-display);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin-bottom: var(--space-4);
}
.product__head p { font-size: var(--fs-md); color: var(--color-text-muted); line-height: 1.6; }
.product__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); }
.product-card h3 { text-align: center; font-size: 1.5rem; font-weight: 700; letter-spacing: -0.03em; line-height: 1.15; margin: 0 0 var(--space-5); }

.product-card__visual {
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-lg);
  background: var(--color-surface-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
}

/* Hover: a soft gradient border slowly circles the card */
@property --angle { syntax: "<angle>"; inherits: false; initial-value: 0deg; }
@keyframes spin-border { to { --angle: 360deg; } }
.product-card__visual,
.tl-panel {
  position: relative;
  transition: box-shadow 0.45s ease, background-color 0.45s ease;
}
.product-card__visual::before,
.tl-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1.5px;
  background: conic-gradient(from var(--angle), var(--brace-green), var(--brace-sage) 25%, var(--brace-mint) 45%, var(--brace-sage) 65%, var(--brace-green));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.45s ease;
  pointer-events: none;
  animation: spin-border 6s linear infinite;
}
.product-card:hover .product-card__visual,
.product-card:focus-within .product-card__visual,
.tl-panel:hover,
.tl-panel:focus-within {
  box-shadow: 0 18px 44px color-mix(in srgb, var(--brace-green) 8%, transparent);
  background-color: color-mix(in srgb, var(--brace-green) 4%, white);
}
.product-card:hover .product-card__visual::before,
.product-card:focus-within .product-card__visual::before,
.tl-panel:hover::before,
.tl-panel:focus-within::before { opacity: 1; }
@media (prefers-reduced-motion: reduce) { .product-card__visual::before, .tl-panel::before { animation: none; } }

/* Illustration pieces */
.mk-stack { width: 100%; max-width: 280px; display: flex; flex-direction: column; align-items: center; }
.mk-card {
  width: 100%;
  background: var(--color-surface);
  border: 1px solid #fff;
  border-radius: 18px;
  box-shadow: 0 1px 2px rgba(16, 32, 58, 0.04), 0 8px 20px -12px rgba(16, 32, 58, 0.16);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  color: var(--color-text-faint);
}
.mk-card--thin { padding: 10px 14px; border-radius: 14px; }
.mk-card--active { border-color: var(--color-primary-light); background: color-mix(in srgb, var(--brace-green) 5%, white); }
.mk-card--ghost { background: transparent; border: 1px dashed var(--color-border); box-shadow: none; opacity: 0.8; }
.mk-row { display: flex; align-items: center; gap: 12px; }
.mk-row--split { padding-top: 12px; border-top: 1px dashed var(--color-border); }
.mk-row--split:first-child { padding-top: 0; border-top: 0; }
.mk-card .mk-row:first-child { border-top: 0; padding-top: 0; }
.mk-ico {
  flex-shrink: 0;
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--color-surface-muted);
  color: var(--color-text-faint);
  display: flex; align-items: center; justify-content: center;
}
.mk-card--thin .mk-ico { width: 32px; height: 32px; border-radius: 10px; }
.mk-ico--tint { background: var(--color-primary-tint); color: var(--color-primary-dark); }
.mk-lines { flex: 1; display: flex; flex-direction: column; gap: 6px; }
.mk-lines i { display: block; height: 7px; border-radius: 4px; background: var(--color-border); }
.mk-lines .mk-bar--s { height: 5px; opacity: 0.6; }
.mk-lines--one { flex: 1; }
.mk-check {
  flex-shrink: 0;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--color-primary-dark);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
}
.mk-conn { position: relative; width: 2px; height: 16px; overflow: hidden; }
.mk-conn::before {
  content: '';
  position: absolute; inset: 0;
  background-image: repeating-linear-gradient(to bottom, var(--color-primary-light) 0 4px, transparent 4px 8px);
  background-size: 2px 8px;
  animation: mk-flow .9s linear 9;
}
.mk-wrap { width: 100%; }
.mk-rows { width: 100%; display: flex; flex-direction: column; gap: 8px; }
.mk-rows .mk-card + .mk-card { margin-top: 0; }
.mk-chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 10px;
  border-radius: var(--radius-full);
  background: var(--color-primary-tint);
  color: var(--color-primary-dark);
  font-size: 11.5px;
  font-weight: 600;
}
.mk-pill, .mk-note { font-size: 11px; font-weight: 600; color: var(--color-text-muted); white-space: nowrap; }
.mk-pill { padding: 3px 9px; border: 1px solid var(--color-border); border-radius: var(--radius-full); background: var(--color-surface); }
.mk-pill--ok { border: 0; background: var(--color-primary-tint); color: var(--color-primary-dark); }
.mk-note { display: inline-flex; align-items: center; gap: 5px; font-weight: 500; }
.mk-swatch { width: 34px; height: 24px; border-radius: 6px; background: var(--color-primary-tint); position: relative; flex-shrink: 0; }
.mk-swatch::after { content: ''; position: absolute; left: 7px; right: 7px; top: 11px; height: 2px; border-radius: 2px; background: var(--color-primary-light); }
.mk-dashes { flex: 1; display: flex; gap: 6px; }
.mk-dashes i { width: 18px; height: 5px; border-radius: 3px; background: var(--color-border); }
.mk-progress { display: flex; gap: 6px; }
.mk-seg { flex: 1; height: 3px; border-radius: 2px; background: var(--color-border); overflow: hidden; }
.mk-seg b { display: block; height: 100%; border-radius: 2px; background: var(--color-primary-dark); transform-origin: left; }
.mk-seg b.is-light { background: var(--color-primary-light); }
.mk-tail { width: 38px; height: 6px; border-radius: 3px; background: var(--color-primary-light); opacity: 0.6; }
.mk-tail--s { width: 28px; }

/* Illustration motion: each panel tells its story in steps once (8s), then stays complete.
   It replays only after the panel has left the screen and returns (see main.js) */
.product-card__visual { --t: 8s; }
@keyframes mk-s1 { 0%, 4% { opacity: 0; transform: translateY(10px); } 12%, 100% { opacity: 1; transform: none; } }
@keyframes mk-s2 { 0%, 16% { opacity: 0; transform: translateY(10px); } 24%, 100% { opacity: 1; transform: none; } }
@keyframes mk-s3 { 0%, 28% { opacity: 0; transform: translateY(10px); } 36%, 100% { opacity: 1; transform: none; } }
@keyframes mk-s4 { 0%, 40% { opacity: 0; transform: translateY(10px); } 48%, 100% { opacity: 1; transform: none; } }
@keyframes mk-s5 { 0%, 52% { opacity: 0; transform: translateY(10px); } 60%, 100% { opacity: 1; transform: none; } }
@keyframes mk-s6 { 0%, 64% { opacity: 0; transform: translateY(10px); } 72%, 100% { opacity: 1; transform: none; } }
@keyframes mk-p2 { 0%, 16% { opacity: 0; transform: scale(.3); } 21% { opacity: 1; transform: scale(1.15); } 24%, 100% { opacity: 1; transform: none; } }
@keyframes mk-p3 { 0%, 28% { opacity: 0; transform: scale(.3); } 33% { opacity: 1; transform: scale(1.15); } 36%, 100% { opacity: 1; transform: none; } }
@keyframes mk-p4 { 0%, 40% { opacity: 0; transform: scale(.3); } 45% { opacity: 1; transform: scale(1.15); } 48%, 100% { opacity: 1; transform: none; } }
@keyframes mk-g1 { 0%, 6% { transform: scaleX(0); } 14%, 100% { transform: scaleX(1); } }
@keyframes mk-g2 { 0%, 12% { transform: scaleX(0); } 20%, 100% { transform: scaleX(1); } }
@keyframes mk-g3 { 0%, 18% { transform: scaleX(0); } 26%, 100% { transform: scaleX(1); } }
@keyframes mk-spin { 0%, 13% { transform: rotate(0deg); } 24%, 100% { transform: rotate(-360deg); } }
@keyframes mk-flow { from { background-position: 0 0; } to { background-position: 0 8px; } }
@keyframes mk-glow {
  0%, 30% { box-shadow: 0 1px 2px color-mix(in srgb, var(--brace-green) 0%, transparent); }
  45% { box-shadow: 0 0 0 6px color-mix(in srgb, var(--brace-green) 10%, transparent), 0 10px 24px color-mix(in srgb, var(--brace-green) 14%, transparent); }
  60%, 100% { box-shadow: 0 6px 18px color-mix(in srgb, var(--brace-green) 10%, transparent); }
}
.mk-s1 { animation: mk-s1 var(--t) cubic-bezier(.2, .8, .2, 1) var(--d, 0s)  1 both; }
.mk-s2 { animation: mk-s2 var(--t) cubic-bezier(.2, .8, .2, 1) var(--d, 0s)  1 both; }
.mk-s3 { animation: mk-s3 var(--t) cubic-bezier(.2, .8, .2, 1) var(--d, 0s)  1 both; }
.mk-s4 { animation: mk-s4 var(--t) cubic-bezier(.2, .8, .2, 1) var(--d, 0s)  1 both; }
.mk-s5 { animation: mk-s5 var(--t) cubic-bezier(.2, .8, .2, 1) var(--d, 0s)  1 both; }
.mk-s6 { animation: mk-s6 var(--t) cubic-bezier(.2, .8, .2, 1) var(--d, 0s)  1 both; }
.mk-p2 { animation: mk-p2 var(--t) ease-out var(--d, 0s)  1 both; }
.mk-p3 { animation: mk-p3 var(--t) ease-out var(--d, 0s)  1 both; }
.mk-p4 { animation: mk-p4 var(--t) ease-out var(--d, 0s)  1 both; }
.mk-g1 { animation: mk-g1 var(--t) cubic-bezier(.2, .8, .2, 1) var(--d, 0s)  1 both; }
.mk-g2 { animation: mk-g2 var(--t) cubic-bezier(.2, .8, .2, 1) var(--d, 0s)  1 both; }
.mk-g3 { animation: mk-g3 var(--t) cubic-bezier(.2, .8, .2, 1) var(--d, 0s)  1 both; }
.mk-spin { transform-origin: 50% 50%; animation: mk-spin var(--t) cubic-bezier(.4, 0, .2, 1) var(--d, 0s)  1 both; }
.mk-glow { animation: mk-glow var(--t) ease-out var(--d, 0s)  1 both; }

/* Pause off-screen panels (only once the script is running) */
/* Before it plays (script running, panel not yet in view) everything waits in its starting state */
.mk-anim-ready .product-card__visual:not(.is-playing) *,
.mk-anim-ready .product-card__visual:not(.is-playing) *::before { animation: none !important; }
.mk-anim-ready .product-card__visual:not(.is-playing) :is(.mk-s1, .mk-s2, .mk-s3, .mk-s4, .mk-s5, .mk-s6, .mk-p2, .mk-p3, .mk-p4) { opacity: 0; }
.mk-anim-ready .product-card__visual:not(.is-playing) :is(.mk-g1, .mk-g2, .mk-g3) { transform: scaleX(0); }

@media (prefers-reduced-motion: reduce) {
  .product-card__visual *, .product-card__visual *::before { animation: none !important; }
}

@media (max-width: 900px) {
  .product__grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; gap: var(--space-8); }
}

@media (max-width: 760px) {
  }

/* ==========================================================================
   Page shell: everything above the giant wordmark sits on a rounded sheet
   ========================================================================== */
.page {
  position: relative;
  z-index: 2;
  background: var(--color-bg);
  border-radius: 0 0 44px 44px;
  padding-bottom: 8px;
}

/* ==========================================================================
   Request access (full-bleed card)
   ========================================================================== */
.final {
  position: relative;
  overflow: hidden;
  margin: 24px 24px 0;
  min-height: 760px;
  border-radius: 44px;
  background: var(--brace-green-deep);
  display: flex;
  align-items: center;
  justify-content: center;
}
.final__atmos { position: absolute; inset: 0; pointer-events: none; }
.final__glow { position: absolute; inset: 0; background: radial-gradient(ellipse 70% 60% at 50% 45%, var(--brace-green) 0%, color-mix(in srgb, var(--brace-green) 0%, transparent) 70%); }
.final__shape { position: absolute; display: block; will-change: transform; }
.final__shape--a { width: 1100px; height: 1100px; right: -320px; top: -360px; filter: blur(46px); opacity: 0.75; animation: final-drift 18s ease-in-out infinite alternate; }
.final__shape--b { width: 760px; height: 760px; left: -260px; bottom: -340px; filter: blur(40px); opacity: 0.55; transform: rotate(180deg); animation: final-drift-b 22s ease-in-out infinite alternate; }
@keyframes final-drift { from { transform: translate(0, 0) rotate(0deg); } to { transform: translate(-40px, 30px) rotate(10deg); } }
@keyframes final-drift-b { from { transform: rotate(180deg) translate(0, 0); } to { transform: rotate(168deg) translate(-30px, 24px); } }
.final__grain { position: absolute; inset: 0; background: url("../assets/grain.png") repeat; background-size: 220px 220px; opacity: 0.1; }
.final__vignette { position: absolute; inset: 0; background: radial-gradient(ellipse 90% 80% at 50% 50%, rgba(0, 0, 0, 0) 55%, color-mix(in srgb, var(--brace-green-deep) 60%, transparent) 100%); }
.final__content { position: relative; z-index: 1; display: flex; flex-direction: column; align-items: center; gap: 28px; padding: 120px 24px; text-align: center; width: 100%; }
.final__mark { width: 96px; height: 96px; }
.final__copy { display: flex; flex-direction: column; align-items: center; gap: 14px; }
.final__copy h2 { max-width: 820px; font-size: 68px; line-height: 1.05; font-weight: 700; letter-spacing: -0.035em; color: #fff; text-shadow: 0 2px 24px color-mix(in srgb, var(--brace-green-deep) 40%, transparent); }
.final__copy p { font-size: 20px; line-height: 1.5; color: rgba(255, 255, 255, 0.86); }
.final__form { width: 100%; max-width: 460px; margin-top: 8px; display: flex; flex-direction: column; align-items: center; gap: var(--space-4); }
.final .capture-form {
  width: 100%;
  padding: 6px 6px 6px 22px;
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.28);
  box-shadow: none;
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}
.final .capture-form:focus-within { border-color: rgba(255, 255, 255, 0.6); }
.final .capture-form input { flex: 1; width: auto; max-width: none; min-width: 0; padding: 0; color: #fff; }
.final .capture-form input::placeholder { color: rgba(255, 255, 255, 0.78); }
.final .capture-form .btn { background: #fff; color: #141B2D; box-shadow: none; }
.final .capture-form .btn:hover, .final .capture-form .btn:focus-visible { background: var(--brace-mint); }
.final .capture-error { color: #FFD7D2; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer { max-width: 1240px; margin: 0 auto; padding: 112px 40px 72px; }
.site-footer__main { display: flex; justify-content: space-between; gap: 64px; }
.site-footer__lead { display: flex; flex-direction: column; align-items: flex-start; gap: 36px; }
.site-footer__lead h2 { font-size: 56px; line-height: 1.08; font-weight: 700; letter-spacing: -0.035em; }
.site-footer__lead h2 span { color: var(--brace-green); }
.site-footer__lead .btn { background: var(--brace-green); height: auto; padding: 15px 26px; font-size: 16px; box-shadow: none; }
.site-footer__lead .btn:hover, .site-footer__lead .btn:focus-visible { background: var(--brace-green-hover); }
.site-footer__side { display: flex; flex-direction: column; justify-content: space-between; gap: 56px; }
.site-footer__cols { display: flex; gap: 72px; }
.site-footer__col { display: flex; flex-direction: column; gap: 14px; }
.site-footer__heading { font-size: 14px; font-weight: 500; color: #6B7280; }
.site-footer__col a { font-size: 16px; font-weight: 500; color: #141B2D; transition: color var(--dur-fast) var(--ease-out); }
.site-footer__col a:hover { color: var(--brace-green); }
.site-footer__legal { display: flex; flex-direction: column; gap: 14px; }
.site-footer__legal svg { width: 40px; height: 40px; }
.site-footer__legal p { font-size: 13px; line-height: 1.6; color: #4A5565; }

/* Giant wordmark: pinned behind the page, uncovered as the footer scrolls up */
.wordmark {
  position: sticky;
  bottom: 0;
  z-index: 1;
  margin-top: -140px;
  padding-top: 140px;
  overflow: hidden;
  background: linear-gradient(180deg, color-mix(in srgb, var(--brace-green) 6%, white) 0%, color-mix(in srgb, var(--brace-green) 18%, white) 55%, color-mix(in srgb, var(--brace-green) 26%, white) 100%);
  display: flex;
  justify-content: center;
}
.wordmark span {
  font-family: var(--font-wordmark);
  font-weight: 800;
  font-size: calc(31vw / var(--zoom));
  line-height: 0.8;
  letter-spacing: -0.045em;
  color: #fff;
  padding-bottom: calc(2vw / var(--zoom));
  white-space: nowrap;
  user-select: none;
}

@media (max-width: 900px) {
  .final { min-height: 560px; margin: 0 12px; border-radius: 28px; }
  .final__copy h2 { font-size: 40px; }
  .final .capture-form { flex-direction: column; border-radius: 22px; align-items: stretch; padding: 6px; }
  .final .capture-form input { padding: 0 18px; }
  .page { border-radius: 0 0 28px 28px; }
  .site-footer { padding: 72px 20px 56px; }
  .site-footer__main { flex-direction: column; gap: 48px; }
  .site-footer__lead h2 { font-size: 40px; }
  .site-footer__cols { gap: 32px; flex-wrap: wrap; }
}
@media (prefers-reduced-motion: reduce) {
  .final__shape { animation: none; }
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 900px) {
  .primary-nav { display: none; }
  .nav-toggle { display: flex; width: 44px; height: 44px; }
  .mobile-nav { display: flex; }
}

@media (max-width: 900px) {
  /* Keep scrolling smooth on phones: no huge blurred layers, no continuous background animation */
  .hero__blob { animation: none; will-change: auto; }
  .final__shape { display: none; }
  .final .capture-form { -webkit-backdrop-filter: none; backdrop-filter: none; background: rgba(255, 255, 255, 0.2); }

  /* Product illustrations hug their content instead of forcing a tall square */
  .product-card__visual { aspect-ratio: auto; padding: var(--space-6) var(--space-5); }

  /* The giant wordmark just closes the page (the pinned reveal misbehaves with mobile browser toolbars) */
  .wordmark { position: static; }
}

@media (max-width: 1000px) {
  /* Timeline shows every step at once on narrow screens instead of waiting for the animation */
  .tl *, .tl *::before { animation: none !important; }
  .tl__pt, .tl__box, .tl__conn { opacity: 1 !important; transform: none !important; }
}

@media (max-width: 760px) {
  :root { --section-y: 64px; --header-h: 100px; }
  .container { padding: 0 var(--space-5); }

  /* Header: everything fits on one line */
  .site-header { padding: 24px 12px 12px; }
  .site-header__actions { gap: var(--space-2); }
  .site-header .logo { padding: 6px 12px 6px 10px; }
  .site-header .btn--sm { padding: 0 16px; }
  .mobile-nav { left: 12px; right: 12px; }

  /* Hero card sits close to the top edge */
  .hero {
    margin: calc(12px - var(--header-h)) 12px 12px;
    border-radius: 28px;
    padding: calc(var(--header-h) - 12px + var(--space-7)) var(--space-5) var(--space-9);
    min-height: calc(100svh - 24px);
  }
  .hero__sub br { display: none; }
  .hero__mark { margin-bottom: var(--space-7); }
  .about__head, .product__head { margin-bottom: var(--space-8); }
  .product__grid { gap: var(--space-7); }

  /* Request access card: comfortable tap targets */
  .final__content { padding: 88px var(--space-5); }
  .final .capture-form input { flex: none; height: 52px; }
  .final .capture-form .btn { height: 52px; }
  .site-footer__lead .btn { width: 100%; justify-content: center; }
}

/* ==========================================================================
   Reduced motion
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .intro, .reveal, .hero__blob {
    animation: none !important;
    transition: none !important;
  }
  .intro { opacity: 1; transform: none; }
  .reveal { opacity: 1; transform: none; }
}