/* ==========================================================================
   Zeta Advantage · ZIP™ one-pager
   Brand colors from COLORS.txt:
     #163157 main navy · #F9DF56 yellow · #F26421 orange
     gradient #1B1844 → #2B3678 → #2F71B9 → #2B3678 → #1B1844
   ========================================================================== */

:root {
  --navy: #163157;
  --navy-deep: #0E2140;
  --ink: #0F1E36;
  --yellow: #F9DF56;
  --orange: #F26421;
  --orange-deep: #D9531A;
  --g1: #1B1844;
  --g2: #2B3678;
  --g3: #2F71B9;
  --grad: linear-gradient(115deg, var(--g1) 0%, var(--g2) 28%, var(--g3) 52%, var(--g2) 76%, var(--g1) 100%);
  --paper: #F6F5F0;
  --white: #FFFFFF;
  --tint: #EEF2F8;
  --line: rgba(22, 49, 87, .12);
  --line-dark: rgba(255, 255, 255, .14);
  --muted: #5A6A85;
  --muted-dark: #B7C3D8;

  --font-display: "Sora", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-body: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --radius: 20px;
  --radius-sm: 12px;
  --container: 1160px;
  --gutter: clamp(20px, 4vw, 40px);
  --shadow: 0 12px 32px rgba(14, 33, 64, .08);
  --header-h: 72px;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--header-h) + 12px); }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
ol, ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { font-family: var(--font-display); margin: 0; line-height: 1.1; letter-spacing: -.02em; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }
strong { font-weight: 600; }
.container { width: min(100% - 2 * var(--gutter), var(--container)); margin-inline: auto; }
.muted { color: var(--muted); }

.skip-link {
  position: absolute; left: 12px; top: -60px; z-index: 1000;
  background: var(--yellow); color: var(--ink); padding: 10px 14px; border-radius: 8px; font-weight: 600;
}
.skip-link:focus { top: 12px; }

:focus-visible { outline: 3px solid var(--yellow); outline-offset: 3px; }

/* ---------- Type ---------- */
.h1 { font-weight: 800; font-size: clamp(2.6rem, 6.4vw, 4.9rem); line-height: 1.02; }
.h2 { font-weight: 700; font-size: clamp(1.9rem, 3.8vw, 3rem); }
.h2--xl { font-size: clamp(2.2rem, 4.8vw, 3.75rem); }
.h3 { font-weight: 600; font-size: 1.25rem; line-height: 1.3; margin-bottom: 10px; }
.h4 { font-weight: 600; font-size: 1.1rem; line-height: 1.3; margin-bottom: 8px; }
.lead { font-size: clamp(1.1rem, 1.6vw, 1.3rem); line-height: 1.55; }
.accent { color: var(--yellow); }
.caps { letter-spacing: .04em; }

.eyebrow {
  font-family: var(--font-body);
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--orange);
  margin: 0 0 16px;
}
.eyebrow--yellow { color: var(--yellow); }

.footnote { font-size: .9rem; color: var(--muted); margin-top: 28px; }
.section--dark .footnote, .section--grad .footnote { color: var(--muted-dark); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 24px; border-radius: 999px;
  font-family: var(--font-display); font-weight: 600; font-size: .98rem; line-height: 1;
  text-decoration: none; border: 2px solid transparent; cursor: pointer;
  transition: transform .18s ease, background-color .18s ease, border-color .18s ease, color .18s ease, box-shadow .18s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary { background: var(--orange); color: #fff; }
.btn-primary:hover { background: var(--orange-deep); }
.btn-ghost { background: rgba(255, 255, 255, .08); color: #fff; border-color: rgba(255, 255, 255, .35); }
.btn-ghost:hover { background: rgba(255, 255, 255, .16); border-color: rgba(255, 255, 255, .6); }
.btn-outline { background: transparent; color: var(--navy); border-color: var(--navy); }
.btn-outline:hover { background: var(--navy); color: #fff; }
.btn-sm { padding: 10px 18px; font-size: .9rem; }
.btn-lg { padding: 18px 34px; font-size: 1.08rem; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.btn-row--center { justify-content: center; }

/* ---------- Header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  height: var(--header-h);
  color: var(--navy);
  background: var(--white);
  border-bottom: 1px solid var(--line);
  transition: background-color .25s ease, box-shadow .25s ease, backdrop-filter .25s ease;
}
.site-header.is-scrolled {
  background: rgba(255, 255, 255, .95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 6px 24px rgba(14, 33, 64, .12);
}
.nav-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; }

.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--navy); }
.brand-logo { height: 44px; width: auto; }

.site-nav { display: flex; align-items: center; gap: 26px; }
.site-nav a:not(.btn) {
  text-decoration: none; font-weight: 500; font-size: .95rem; color: var(--navy);
  position: relative; padding: 6px 0;
}
.site-nav a:not(.btn)::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px;
  background: var(--orange); transform: scaleX(0); transform-origin: left; transition: transform .2s ease;
}
.site-nav a:not(.btn):hover::after { transform: scaleX(1); }

.nav-toggle {
  display: none; width: 44px; height: 44px; border: 0; background: transparent; padding: 10px; cursor: pointer;
  flex-direction: column; justify-content: center; gap: 5px;
}
.nav-toggle span { display: block; height: 2px; background: var(--navy); border-radius: 2px; transition: transform .2s ease, opacity .2s ease; }
.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); }

/* ---------- Sections ---------- */
.section { padding: clamp(72px, 9vw, 128px) 0; }
.section--white { background: var(--white); }
.section--paper { background: var(--paper); }
.section--dark { background: var(--navy); color: #fff; }
.section--grad { background: var(--grad); color: #fff; }
.section--dark .lead, .section--grad .lead { color: rgba(255, 255, 255, .88); }

.section-head { max-width: 760px; margin-bottom: clamp(36px, 5vw, 56px); }
.section-head--wide { max-width: 860px; }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head .lead { margin-top: 18px; color: var(--muted); }
.section--dark .section-head .lead, .section--grad .section-head .lead { color: rgba(255, 255, 255, .85); }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden; color: #fff;
  /* Top cap trimmed 120px -> 67px; the cap now binds from ~745px up.
     Phones still resolve to the 56px floor, so mobile is untouched. */
  padding: calc(var(--header-h) + clamp(56px, 9vw, 67px)) 0 clamp(64px, 8vw, 110px);
  background:
    radial-gradient(60% 55% at 82% 18%, rgba(242, 100, 33, .28), transparent 62%),
    radial-gradient(45% 45% at 8% 92%, rgba(249, 223, 86, .14), transparent 60%),
    var(--grad);
}
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(70% 70% at 50% 40%, #000 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(70% 70% at 50% 40%, #000 30%, transparent 100%);
}
.hero-grid { position: relative; display: grid; grid-template-columns: 1.2fr .8fr; gap: clamp(32px, 4vw, 56px); align-items: center; }

/* Hero left-column typography, matched to the K3 build:
   heavy system display face for the headline, system mono for the eyebrow */
.hero .eyebrow {
  font-family: "SF Mono", "Cascadia Code", Consolas, "Courier New", monospace;
  font-size: .8rem; letter-spacing: .22em;
}
/* Sized so the headline always lands on 2-3 lines: the widest line,
   "NOW IN POWDER.", measures ~9.55em in this face at -.01em tracking. */
.hero .h1 {
  font-family: "Arial Black", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-weight: 900; font-size: clamp(2.05rem, 5vw, 4rem);
  line-height: 1.12; letter-spacing: -.01em; text-transform: uppercase;
}
.hero .lead { margin-top: 24px; max-width: 560px; color: rgba(255, 255, 255, .9); }

.hero-visual { display: flex; justify-content: center; }
.bond-wrap { position: relative; width: min(100%, 520px); }
.bond-visual { width: 100%; height: auto; filter: drop-shadow(0 20px 50px rgba(0, 0, 0, .35)); }
.floating-badge {
  position: absolute; top: 4%; left: 0; z-index: 2;
  font-family: var(--font-display); font-weight: 700; font-size: 1rem; letter-spacing: .005em;
  color: var(--ink); background: var(--yellow); padding: 11px 20px; border-radius: 999px;
  box-shadow: 0 8px 22px rgba(0, 0, 0, .25);
}
.visual-caption {
  font-family: var(--font-mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase;
  color: rgba(255, 255, 255, .6); text-align: center; margin-top: 8px;
}
/* Captions that carry a statement rather than a label: larger display face,
   sentence case. Shared by the hero tagline and the shelf line. */
.visual-caption--yellow,
.visual-caption--dark {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(1.05rem, 1.5vw, 1.2rem);
  letter-spacing: .01em; text-transform: none; line-height: 1.35;
}
.visual-caption--yellow { color: var(--yellow); margin-top: -14px; }
.visual-caption--dark { color: var(--orange); margin-top: 16px; }

.orbit { transform-box: fill-box; transform-origin: center; }
.orbit--inner { animation: spin 48s linear infinite; }
.orbit--outer { animation: spin 110s linear infinite reverse; }
.sheath { transform-box: fill-box; transform-origin: center; animation: pulse 5.5s ease-in-out infinite; }
.core { transform-box: fill-box; transform-origin: center; animation: breathe 6s ease-in-out infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse { 0%, 100% { transform: scale(1); stroke-opacity: .55; } 50% { transform: scale(1.045); stroke-opacity: .85; } }
@keyframes breathe { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.06); } }

/* ---------- Stats ---------- */
.stats { background: var(--navy-deep); color: #fff; border-top: 1px solid var(--line-dark); }
/* minmax(0,1fr) keeps all four columns equal; the nowrap numerals would
   otherwise stretch their own column. Sized so "Under 60 seconds" fits. */
.stats-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.stat { padding: 34px 22px; border-left: 1px solid var(--line-dark); }
.stat:first-child { border-left: 0; padding-left: 0; }
.stat-num { font-family: var(--font-display); font-weight: 800; font-size: clamp(1.9rem, 3.4vw, 3.2rem); line-height: 1; color: var(--yellow); letter-spacing: -.02em; white-space: nowrap; }
.stat-unit { font-size: .45em; font-weight: 700; color: var(--orange); vertical-align: baseline; }
/* "<" matches the numeral it qualifies: same face, size and yellow. */
.stat-lt { margin-right: .04em; }
.stat-unit--lead { margin-right: .05em; }
.stat-label {
  font-family: var(--font-body); font-weight: 500; font-size: .95rem;
  letter-spacing: 0; text-transform: none;
  color: rgba(255, 255, 255, .74); margin-top: 12px; line-height: 1.45;
}

/* ---------- Split layout ---------- */
/* Opportunity section runs tighter than the shared .section rhythm on desktop:
   cap trimmed 128px -> 76px; phones still sit on the 72px floor. */
#edge { padding: clamp(72px, 9vw, 76px) 0; }
/* Zeta Difference likewise: cap trimmed 128px -> 90px on desktop. */
#zeta-difference { padding: clamp(72px, 9vw, 90px) 0; }
/* Built for what's next: cap trimmed 128px -> 109px on desktop. */
#who { padding: clamp(72px, 9vw, 109px) 0; }
/* FAQ: cap trimmed 128px -> 102px on desktop. */
#faq { padding: clamp(72px, 9vw, 102px) 0; }
/* Overview banner: the whole scale halved, since the panel already carries
   its own generous padding and stacks under a section with 109px below it. */
#overview { padding: clamp(36px, 4.5vw, 64px) 0; }
/* 900px lets the intro line sit on one line (it measures ~845px) instead of
   dropping a single-word widow; the head also sits closer to the cards. */
#zeta-difference .section-head { max-width: 900px; margin-bottom: clamp(32px, 5vw, 40px); }

/* Brand gradient as the headline fill. Falls back to solid navy where
   background-clip: text is unsupported, so the text is never invisible. */
#edge-title, #founder-title { color: var(--navy); }
@supports ((background-clip: text) or (-webkit-background-clip: text)) {
  #edge-title, #founder-title {
    background: var(--grad);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    -webkit-text-fill-color: transparent;
  }
}

.split { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(32px, 6vw, 88px); align-items: center; }
.split-copy .lead { margin-top: 18px; color: var(--navy); font-weight: 500; }

.shelf {
  display: grid; grid-template-columns: repeat(6, 1fr); gap: 10px;
  padding: 22px; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
}
.shelf span {
  display: flex; align-items: center; justify-content: center;
  aspect-ratio: 1 / 1.35; border-radius: 10px; background: #fff; border: 1px solid var(--line);
  box-shadow: inset 0 -10px 0 rgba(22, 49, 87, .06);
}
.shelf .shelf-zip {
  background: var(--orange); border-color: var(--orange); color: #fff;
  font-family: var(--font-display); font-weight: 800; font-size: .8rem; letter-spacing: .04em;
  box-shadow: 0 10px 26px rgba(242, 100, 33, .45); transform: scale(1.12);
}

/* ---------- Process ---------- */
.process { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(20px, 3vw, 40px); counter-reset: step; }
.process-step { position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 28px 28px; box-shadow: var(--shadow); }
.process-step + .process-step::before {
  content: ""; position: absolute; top: 58px; right: 100%; width: clamp(20px, 3vw, 40px); height: 3px;
  background: linear-gradient(90deg, var(--yellow), var(--orange));
  transform: scaleX(0); transform-origin: left; transition: transform .6s ease .25s;
}
.process.is-visible .process-step + .process-step::before { transform: scaleX(1); }
.process-icon {
  width: 60px; height: 60px; border-radius: 16px; display: grid; place-items: center;
  background: var(--tint); color: var(--navy); margin-bottom: 20px;
}
.process-icon svg { width: 32px; height: 32px; }
.process-icon--accent { background: var(--navy); color: var(--yellow); }
.process-num { position: absolute; top: 24px; right: 24px; font-family: var(--font-mono); font-size: .78rem; letter-spacing: .12em; color: var(--orange); }
.process-step p { color: var(--muted); font-size: 1rem; }

/* Section head splits into copy + the two division-of-labour cards. */
.how-head {
  display: grid; grid-template-columns: 1.4fr .6fr;
  gap: clamp(28px, 4vw, 56px); align-items: center;
  margin-bottom: clamp(36px, 5vw, 56px);
}
.how-head .section-head { margin-bottom: 0; }

.roles { display: grid; gap: 14px; }
.role {
  display: flex; flex-direction: column; align-items: flex-start; gap: 12px;
  padding: 22px 24px; border-radius: var(--radius-sm);
  background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow);
}
.role-tag {
  font-family: var(--font-body); font-weight: 700; font-size: .78rem;
  letter-spacing: .08em; text-transform: uppercase;
  padding: 8px 14px; border-radius: 999px;
  background: var(--navy); color: var(--yellow); white-space: nowrap;
}
.role-tag--you { background: var(--orange); color: #fff; }
.role-text { font-family: var(--font-display); font-weight: 600; font-size: 1.05rem; color: var(--navy); line-height: 1.35; }

/* Carbon callout closing the section. Sits on the paper background as a
   dark card; the section's bottom padding keeps it clear of the navy below. */
.bond-note {
  margin-top: clamp(32px, 4vw, 48px);
  display: flex; align-items: center; gap: clamp(20px, 2.6vw, 30px);
  padding: clamp(26px, 3.4vw, 38px) clamp(24px, 3.4vw, 40px);
  background: var(--navy); color: #fff;
  border-radius: var(--radius); box-shadow: var(--shadow);
}
.bond-mark {
  flex: none; display: grid; place-items: center;
  width: clamp(62px, 6.4vw, 84px); aspect-ratio: 1; border-radius: 50%;
  border: 2px solid rgba(249, 223, 86, .35); background: rgba(249, 223, 86, .1);
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(1.9rem, 3vw, 2.6rem); line-height: 1; color: var(--yellow);
}
.bond-note p { font-size: clamp(1rem, 1.25vw, 1.08rem); line-height: 1.6; color: rgba(255, 255, 255, .86); }
.bond-note strong { color: var(--yellow); font-weight: 600; }

/* ---------- Cards ---------- */
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 28px; }
.card p { color: var(--muted); font-size: 1rem; }
.card--dark { background: rgba(255, 255, 255, .06); border-color: var(--line-dark); }
.card--dark p { color: rgba(255, 255, 255, .78); }
.card--glass { background: rgba(255, 255, 255, .08); border-color: rgba(255, 255, 255, .18); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); }
.card--glass p { color: rgba(255, 255, 255, .82); }
.card-icon { width: 52px; height: 52px; border-radius: 14px; background: var(--navy); color: var(--yellow); display: grid; place-items: center; margin-bottom: 20px; }
.card-icon svg { width: 28px; height: 28px; }

/* ---------- Science steps ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(16px, 2vw, 24px); }
.step { position: relative; padding-top: 34px; }
.step-num { position: absolute; top: 22px; right: 24px; font-family: var(--font-mono); font-size: .78rem; letter-spacing: .12em; color: var(--yellow); }
.step .h4 { color: #fff; margin-top: 8px; }
.step::before { content: ""; display: block; width: 36px; height: 4px; border-radius: 2px; background: linear-gradient(90deg, var(--yellow), var(--orange)); margin-bottom: 18px; }

/* ---------- Zeta Difference ---------- */
.words { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(16px, 2vw, 24px); }
.word { text-align: left; }
.word-glyph { width: 52px; height: 52px; border-radius: 14px; background: var(--orange); color: #fff; display: grid; place-items: center; margin-bottom: 18px; }
.word-glyph svg { width: 28px; height: 28px; }
.word .h3 { color: #fff; }

/* The speed claim is promoted out of the checklist into a display band at the
   top of this same box, so the marquee number gets one bold moment without
   introducing another callout. */
.glance {
  margin-top: clamp(32px, 4vw, 48px);
  border-radius: var(--radius); overflow: hidden;
  background: rgba(14, 33, 64, .45); border: 1px solid rgba(255, 255, 255, .14);
}
.glance-speed {
  background: var(--yellow); color: var(--navy);
  display: flex; align-items: center; justify-content: space-between;
  gap: clamp(20px, 3vw, 40px);
  padding: clamp(24px, 3vw, 34px) clamp(24px, 3.4vw, 40px);
}
.glance-eyebrow {
  font-family: var(--font-body); font-weight: 600; font-size: .78rem;
  letter-spacing: .12em; text-transform: uppercase;
  color: rgba(22, 49, 87, .68); margin: 0 0 10px;
}
.glance-speed-line {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(1.35rem, 2.5vw, 2rem); line-height: 1.22;
  letter-spacing: -.02em; margin: 0;
}
.glance-speed-num {
  flex: none; display: flex; align-items: baseline; gap: .3em;
  font-family: var(--font-display); margin: 0; white-space: nowrap;
}
.gsn-big { font-weight: 800; font-size: clamp(2.25rem, 4.9vw, 3.9rem); line-height: .82; letter-spacing: -.05em; }
.gsn-unit { font-weight: 700; font-size: clamp(.9rem, 1.3vw, 1.1rem); text-transform: uppercase; letter-spacing: .1em; }

.glance-list {
  padding: clamp(24px, 3vw, 34px) clamp(24px, 3.4vw, 40px);
  display: grid; grid-template-columns: auto 1fr; gap: 18px clamp(24px, 4vw, 56px); align-items: start;
}
.glance-title { font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; margin: 0; color: var(--yellow); white-space: nowrap; padding-top: 4px; }
.checks { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px 28px; }
.checks li { position: relative; padding-left: 30px; color: rgba(255, 255, 255, .92); font-weight: 500; line-height: 1.45; }
.checks li::before {
  content: ""; position: absolute; left: 0; top: 3px; width: 18px; height: 18px; border-radius: 50%;
  background: var(--orange);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Ccircle cx='12' cy='12' r='12' fill='black'/%3E%3Cpath d='M7 12.5l3.2 3.2L17 9' stroke='white' stroke-width='2.4' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Ccircle cx='12' cy='12' r='12' fill='black'/%3E%3Cpath d='M7 12.5l3.2 3.2L17 9' stroke='white' stroke-width='2.4' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / contain no-repeat;
}

/* ---------- Powered by ZIP mark ---------- */
.mark { margin-top: 26px; }
.mark-badge {
  display: inline-flex; align-items: center; gap: 9px; padding: 10px 18px 10px 12px; border-radius: 999px;
  background: var(--navy); color: var(--yellow); font-family: var(--font-display); font-weight: 700; font-size: .88rem; letter-spacing: .06em; text-transform: uppercase;
}
.mark-badge svg { width: 22px; height: 22px; }

/* ---------- Ingredients ---------- */
.ing-groups { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(16px, 2vw, 24px); }
.ing-group { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.ing-cat { font-family: var(--font-mono); font-size: .76rem; letter-spacing: .14em; text-transform: uppercase; color: var(--orange); margin-bottom: 14px; font-weight: 500; }
.chips { display: flex; flex-direction: column; gap: 8px; }
.chips li {
  display: flex; flex-direction: column; gap: 2px;
  padding: 10px 14px; border-radius: 10px; background: var(--tint); font-weight: 600; font-size: .95rem; color: var(--navy); line-height: 1.3;
}
.chips li small { font-weight: 400; font-size: .8rem; color: var(--muted); }
.ing-note { margin-top: 28px; padding: 16px 20px; border-left: 4px solid var(--yellow); background: #fff; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; color: var(--muted); }
.ing-note strong { color: var(--navy); }
.ing-cta {
  margin-top: clamp(28px, 4vw, 44px); padding: clamp(24px, 3vw, 36px);
  background: var(--navy); color: #fff; border-radius: var(--radius);
  display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: center;
}
.ing-cta .h3 { color: #fff; }
.ing-cta .muted { color: var(--muted-dark); margin: 0; }
.ing-cta .btn-row { margin-top: 0; }
.ing-cta .btn-outline { color: #fff; border-color: rgba(255, 255, 255, .5); }
.ing-cta .btn-outline:hover { background: #fff; color: var(--navy); border-color: #fff; }

/* ---------- Scale ---------- */
/* Audiences sit beside the copy; the scale panel closes the section. */
.who-head {
  display: grid; grid-template-columns: 1fr 1.15fr;
  gap: clamp(28px, 4vw, 64px); align-items: center;
  margin-bottom: clamp(36px, 4.5vw, 56px);
}
.who-head .section-head { margin-bottom: 0; }

.audiences { display: grid; }
.audience {
  display: flex; align-items: flex-start; gap: 18px;
  padding: 20px 0; border-top: 1px solid var(--line-dark);
}
.audience:last-child { border-bottom: 1px solid var(--line-dark); }
.audience-icon { flex: none; width: 30px; height: 30px; color: var(--yellow); }
.audience-icon svg { width: 100%; height: 100%; }
.audience-title {
  font-family: var(--font-display); font-weight: 600; font-size: 1.05rem;
  color: #fff; margin: 0 0 6px; line-height: 1.3; letter-spacing: -.01em;
}
.audience-copy p { font-size: .96rem; line-height: 1.5; color: rgba(255, 255, 255, .72); margin: 0; }

.scale-head { margin-bottom: clamp(22px, 2.8vw, 30px); }
.scale-title {
  font-family: var(--font-display); font-weight: 700; color: #fff;
  font-size: clamp(1.35rem, 2.3vw, 1.85rem); letter-spacing: -.02em; margin: 0;
}

.scale-bar { max-width: none; }
.scale-track { display: grid; grid-template-columns: 1fr 1.5fr 2.6fr; gap: 6px; }
.scale-seg {
  padding: 15px 18px 14px; border-radius: 12px; min-height: 84px;
  display: flex; flex-direction: column; justify-content: flex-end; gap: 4px;
  color: var(--ink); position: relative; overflow: hidden;
  transform: scaleX(0); transform-origin: left; transition: transform .7s cubic-bezier(.2, .7, .2, 1);
}
.scale-bar.is-visible .scale-seg { transform: scaleX(1); }
.scale-bar.is-visible .scale-seg--2 { transition-delay: .15s; }
.scale-bar.is-visible .scale-seg--3 { transition-delay: .3s; }
.scale-seg--1 { background: var(--yellow); }
.scale-seg--2 { background: linear-gradient(90deg, #F9DF56, #F7A93C); }
.scale-seg--3 { background: linear-gradient(90deg, #F7A93C, var(--orange)); color: #fff; }
.scale-tier { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; opacity: .85; }
.scale-range { font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; white-space: nowrap; }
.scale-ticks { display: flex; justify-content: space-between; margin-top: 10px; font-family: var(--font-mono); font-size: .74rem; letter-spacing: .1em; color: var(--muted-dark); }

/* ---------- Founder ---------- */
.founder-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(32px, 6vw, 88px); align-items: start; }
.founder-copy .h2 { margin-bottom: 24px; }
.founder-copy p { color: var(--ink); }
.founder-photo {
  width: 100%; height: auto; display: block;
  border-radius: var(--radius); box-shadow: var(--shadow);
}
.founder-name { margin-top: 18px; display: flex; flex-direction: column; gap: 4px; }
.founder-name strong { font-family: var(--font-display); font-size: 1.1rem; color: var(--navy); line-height: 1.3; }
.founder-name span { font-size: .9rem; color: var(--muted); line-height: 1.45; }

.img-placeholder {
  position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; text-align: center;
  border: 2px dashed rgba(22, 49, 87, .35); border-radius: var(--radius); background:
    repeating-linear-gradient(135deg, rgba(22, 49, 87, .05) 0 12px, transparent 12px 24px), #fff;
  color: var(--muted); padding: 24px;
}
.img-placeholder--portrait { aspect-ratio: 4 / 5; width: 100%; }
.ph-tag { font-family: var(--font-mono); font-size: .7rem; letter-spacing: .16em; text-transform: uppercase; color: #fff; background: var(--orange); padding: 6px 10px; border-radius: 999px; }
.ph-text { font-family: var(--font-display); font-weight: 600; color: var(--navy); }
.ph-spec { font-size: .82rem; }

.quote { margin: 26px 0; padding: 22px 26px; border-left: 4px solid var(--orange); background: #fff; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
.quote p { font-family: var(--font-display); font-weight: 600; font-style: italic; font-size: 1.15rem; line-height: 1.4; color: var(--navy); margin: 0 0 8px; }
.quote cite { font-style: normal; font-family: var(--font-mono); font-size: .74rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }

.timeline { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 30px; position: relative; }
.timeline::before { content: ""; position: absolute; left: 8px; right: 8px; top: 8px; height: 2px; background: var(--line); }
.timeline li { position: relative; padding-top: 26px; }
.tl-dot { position: absolute; left: 0; top: 0; width: 18px; height: 18px; border-radius: 50%; background: #fff; border: 3px solid var(--navy); }
.tl-dot--now { background: var(--orange); border-color: var(--orange); box-shadow: 0 0 0 6px rgba(242, 100, 33, .18); }
.tl-label { font-family: var(--font-display); font-weight: 600; font-size: .95rem; color: var(--navy); }

/* ---------- FAQ ---------- */
.faq-wrap { max-width: 860px; }
.faq details { border: 1px solid var(--line); border-radius: var(--radius-sm); background: #fff; margin-bottom: 12px; overflow: hidden; }
.faq summary {
  cursor: pointer; list-style: none; padding: 20px 56px 20px 24px; font-family: var(--font-display); font-weight: 600; font-size: 1.05rem; color: var(--navy); position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ""; position: absolute; right: 22px; top: 50%; width: 14px; height: 14px; transform: translateY(-50%);
  background:
    linear-gradient(var(--orange), var(--orange)) center / 14px 2px no-repeat,
    linear-gradient(var(--orange), var(--orange)) center / 2px 14px no-repeat;
  transition: transform .2s ease;
}
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq details[open] summary { border-bottom: 1px solid var(--line); }
.faq-body { padding: 18px 24px 22px; color: var(--muted); }

/* ---------- Closing ---------- */
.closing { position: relative; overflow: hidden; text-align: center; }
.closing::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(50% 60% at 50% 100%, rgba(242, 100, 33, .3), transparent 70%);
}
/* Padding moves to the inner block so the two bands sit flush against the
   section's top and bottom edges and frame the call to action. */
.closing { padding: 0; }
.closing-inner { position: relative; max-width: 880px; padding-block: clamp(60px, 7.5vw, 96px); }
.closing .lead { margin-top: 20px; }

/* Closing headline matches the hero: same heavy face, same uppercase. */
#cta-title {
  font-family: "Arial Black", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-weight: 900; font-size: clamp(1.85rem, 4vw, 3rem);
  line-height: 1.12; letter-spacing: -.01em; text-transform: uppercase;
}

.closing-band { position: relative; background: rgba(14, 33, 64, .55); }
/* Event bar runs solid yellow with near-black type so it reads as a banner. */
.closing-band--top { background: var(--yellow); color: var(--ink); }
.closing-band--top .closing-band-inner { padding-block: clamp(18px, 2.2vw, 26px); }
.closing-band--top .band-flag {
  color: var(--ink); font-weight: 700;
  font-size: clamp(.88rem, 1.15vw, 1rem); letter-spacing: .09em;
}
.closing-band--top .band-detail {
  color: var(--ink); font-weight: 600;
  font-size: clamp(.95rem, 1.2vw, 1.08rem);
}
.closing-band--bottom { border-top: 1px solid rgba(255, 255, 255, .14); }
.closing-band-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding-block: 20px; text-align: left;
}
.closing-band-inner--stack {
  flex-direction: column; justify-content: center; text-align: center;
  gap: 8px; padding-block: clamp(22px, 3vw, 30px);
}
.band-flag {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-body); font-weight: 600; font-size: .78rem;
  letter-spacing: .12em; text-transform: uppercase; color: var(--yellow);
}
.band-detail { font-size: .95rem; color: rgba(255, 255, 255, .8); }
.event-dot { flex: none; width: 10px; height: 10px; border-radius: 50%; background: var(--orange); box-shadow: 0 0 0 4px rgba(242, 100, 33, .28); }

.contact-line { margin-top: 18px; font-size: .95rem; color: rgba(255, 255, 255, .7); }
.contact-line span { color: #fff; font-weight: 500; }
.tagline-main { font-family: var(--font-display); font-weight: 800; font-size: clamp(1.1rem, 2.1vw, 1.55rem); letter-spacing: .03em; text-transform: uppercase; color: #fff; margin: 0; }
.tagline-sub { font-family: var(--font-body); font-weight: 600; font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; color: var(--yellow); margin: 0; }

/* ---------- Footer ---------- */
.site-footer { background: var(--white); color: var(--muted); padding: 56px 0 36px; font-size: .92rem; border-top: 1px solid var(--line); }
.footer-grid { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 28px; padding-bottom: 32px; border-bottom: 1px solid var(--line); }
.footer-tag { font-family: var(--font-mono); font-size: .74rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-top: 14px; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 8px 22px; }
.footer-nav a {
  text-decoration: none; font-weight: 500; font-size: .95rem; color: var(--navy);
  position: relative; padding: 6px 0;
}
.footer-nav a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px;
  background: var(--orange); transform: scaleX(0); transform-origin: left; transition: transform .2s ease;
}
.footer-nav a:hover::after { transform: scaleX(1); }
.footer-legal { padding-top: 24px; font-size: .8rem; color: var(--muted); line-height: 1.6; }
.footer-legal p { margin-bottom: 8px; }

/* ---------- Overview banner ---------- */
.banner-panel {
  background: var(--grad); border-radius: var(--radius);
  display: grid; grid-template-columns: auto 1fr;
  gap: clamp(28px, 4vw, 60px); align-items: center;
  padding: clamp(32px, 4vw, 48px) clamp(28px, 4vw, 56px);
  color: #fff;
}

/* The banner is a button so it is keyboard-reachable, hence the reset. */
.banner-thumb {
  display: block; position: relative; cursor: pointer;
  padding: 0; border: 0; background: transparent;
  width: clamp(150px, 17vw, 208px);
  border-radius: 10px;
  transition: transform .25s ease;
}
.banner-thumb img {
  width: 100%; height: auto; border-radius: 10px;
  border: 3px solid rgba(255, 255, 255, .9);
  box-shadow: 0 22px 50px rgba(0, 0, 0, .45);
}
.banner-thumb:hover { transform: translateY(-4px); }
.banner-zoom {
  position: absolute; right: 10px; bottom: 10px;
  width: 34px; height: 34px; border-radius: 9px;
  display: grid; place-items: center;
  background: var(--orange); color: #fff;
  box-shadow: 0 6px 16px rgba(0, 0, 0, .35);
}
.banner-zoom svg { width: 17px; height: 17px; }

.banner-title {
  font-family: var(--font-display); font-weight: 700; color: #fff;
  font-size: clamp(1.5rem, 2.9vw, 2.35rem); line-height: 1.15;
  letter-spacing: -.02em; margin: 0 0 16px;
}
.banner-lead { font-size: clamp(1rem, 1.35vw, 1.15rem); line-height: 1.6; color: rgba(255, 255, 255, .88); margin: 0 0 28px; }
/* Buttons are nowrap by default; this label is long enough to overflow a
   narrow phone, so let it wrap and cap it at the column width. */
.banner-copy .btn { max-width: 100%; white-space: normal; text-align: center; }

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed; inset: 0; z-index: 200;
  display: flex; align-items: center; justify-content: center;
  padding: clamp(16px, 4vh, 48px);
  background: rgba(8, 16, 32, .92);
  -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px);
  cursor: zoom-out;
}
.lightbox[hidden] { display: none; }
.lightbox-img {
  max-width: min(100%, 520px); max-height: 100%;
  width: auto; height: auto; object-fit: contain;
  border-radius: 8px; box-shadow: 0 30px 80px rgba(0, 0, 0, .6);
  cursor: default;
}
.lightbox-close {
  position: absolute; top: clamp(12px, 2.5vh, 24px); right: clamp(12px, 2.5vw, 24px);
  width: 46px; height: 46px; border-radius: 50%; cursor: pointer;
  display: grid; place-items: center;
  background: rgba(255, 255, 255, .12); border: 1px solid rgba(255, 255, 255, .3); color: #fff;
  transition: background-color .2s ease;
}
.lightbox-close:hover { background: rgba(255, 255, 255, .24); }
.lightbox-close svg { width: 20px; height: 20px; }

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; transition-delay: calc(var(--i, 0) * 90ms); }
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .steps, .words, .ing-groups { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stat { border-left: 0; padding-left: 0; padding-right: 20px; }
  .stat:nth-child(even) { border-left: 1px solid var(--line-dark); padding-left: 28px; }
  .stat:nth-child(n+3) { border-top: 1px solid var(--line-dark); }
  .glance-list { grid-template-columns: 1fr; }
  .checks { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .nav-toggle { display: flex; }
  .site-nav {
    position: absolute; top: var(--header-h); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--white); padding: 8px 20px 20px;
    box-shadow: 0 20px 40px rgba(14, 33, 64, .18);
    transform: translateY(-8px); opacity: 0; visibility: hidden; transition: transform .2s ease, opacity .2s ease, visibility .2s;
  }
  .site-nav.is-open { transform: none; opacity: 1; visibility: visible; }
  .site-nav a:not(.btn) { padding: 14px 4px; border-bottom: 1px solid var(--line); font-size: 1.05rem; }
  .site-nav .btn { margin-top: 16px; }

  .hero-grid, .split, .founder-grid, .how-head, .who-head { grid-template-columns: 1fr; }
  /* Banner stacks above its copy and grows, since it is the point of the panel.
     Items stay stretched: centring them would size the copy to max-content
     and push it past the panel. */
  .banner-panel { grid-template-columns: minmax(0, 1fr); text-align: center; }
  .banner-thumb { width: min(62%, 230px); margin-inline: auto; }
  .banner-copy { display: flex; flex-direction: column; align-items: center; }
  .roles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero-visual { margin-top: 12px; }
  .bond-wrap { width: min(100%, 380px); }
  .hero .btn-row .btn { flex: 1 1 auto; }
  .process { grid-template-columns: 1fr; }
  .process-step + .process-step::before {
    top: -18px; right: auto; left: 44px; width: 3px; height: 18px; transform: scaleY(0); transform-origin: top;
  }
  .process.is-visible .process-step + .process-step::before { transform: scaleY(1); }
  .ing-cta { grid-template-columns: 1fr; }
  .scale-track { grid-template-columns: 1fr; gap: 8px; }
  .scale-seg { transform: scaleX(1); min-height: 0; flex-direction: row; align-items: center; justify-content: space-between; }
  .scale-bar.is-visible .scale-seg { transform: none; }
  .scale-ticks { display: none; }
  .timeline { grid-template-columns: 1fr; gap: 18px; }
  .timeline::before { left: 8px; right: auto; top: 8px; bottom: 8px; width: 2px; height: auto; }
  .timeline li { padding-top: 0; padding-left: 32px; }
  /* Stacked layout leads with the story; portrait and credentials follow it. */
  .founder-media { max-width: 420px; order: 2; }
  .closing-band-inner { flex-direction: column; align-items: center; text-align: center; gap: 10px; }
}

@media (max-width: 560px) {
  .steps, .words, .ing-groups { grid-template-columns: 1fr; }
  /* Trust bar stays a 2x2 grid on phones; the dividers from the 1024px
     block still apply, so only spacing and numeral size change here. */
  .stat { padding: 22px 12px; text-align: center; }
  .stat:nth-child(even) { padding-left: 12px; }
  .stat-num { font-size: clamp(1.35rem, 6.4vw, 2rem); }
  .stat-label { font-size: .88rem; margin-top: 8px; }
  .roles { grid-template-columns: 1fr; }
  .bond-note { flex-direction: column; align-items: flex-start; gap: 18px; }
  .glance-speed { flex-direction: column; align-items: flex-start; gap: 18px; }
  .shelf { grid-template-columns: repeat(6, 1fr); gap: 6px; padding: 14px; }
  .btn-row .btn { width: 100%; }
  .floating-badge { font-size: .85rem; padding: 9px 15px; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .orbit--inner, .orbit--outer, .sheath, .core { animation: none; }
  .process-step + .process-step::before { transform: none !important; transition: none; }
  .scale-seg { transform: none !important; transition: none; }
  .btn, .site-header { transition: none; }
}