/* ============================================================
   KayCo Nails, vision demo by PlainBlack
   "Precision beauty" design system.
   Two canvases: --ink = instrument, --paper = atelier.
   Signature motif: the Fit Strip (card-for-scale measuring bench).
   ============================================================ */

:root {
  /* Ink / canvas */
  --ink:        #15131A;
  --ink-2:      #221F29;   /* lifted dark surface */
  --ink-line:   rgba(246,241,236,.14);
  --on-ink:     #F6F1EC;
  --on-ink-mute:rgba(246,241,236,.66);
  --on-ink-faint:rgba(246,241,236,.40);

  /* Paper / canvas */
  --paper:      #F6F1EC;
  --paper-2:    #EFE7DE;   /* lifted card on paper */
  --line:       rgba(21,19,26,.14);
  --on-paper:   #221F29;
  --on-paper-mute: #5A5560;

  /* Brand accent, the one saturated colour: action + "fit confirmed" */
  --signal:     #E5476B;
  --signal-2:   #C2355A;
  --signal-soft:rgba(229,71,107,.12);

  /* Support */
  --blush:      #F3D9DF;   /* the demoted pink, tint behind product only */
  --mist:       #CFC7D6;   /* cool grey-violet, ticks/hairlines on dark */

  /* Honesty */
  --amber:      #9A6B15;
  --amber-soft: rgba(154,107,21,.14);

  /* PlainBlack footer mark only */
  --pb-green:   #0BC75E;

  /* Type */
  --display: "Space Grotesk", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --body:    "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono:    "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  /* Shape, built from the nail-tip silhouette */
  --r-tip: 12px 12px 26px 12px;
  --r:     12px;
  --r-sm:  8px;

  --maxw: 1120px;
  --ease: cubic-bezier(.22,.61,.36,1);
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  font-family: var(--body);
  background: var(--paper);
  color: var(--on-paper);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
::selection { background: var(--signal); color: #fff; }

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 300;
  background: var(--signal); color: #fff; padding: .6rem 1rem;
  font-family: var(--display); font-weight: 700; border-radius: 0 0 var(--r-sm) 0;
}
.skip-link:focus { left: 0; }

/* ---- Layout ---- */
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: clamp(1.1rem, 4vw, 2.4rem); }
.section { padding-block: clamp(3.6rem, 8vw, 6.5rem); position: relative; }
.section--ink   { background: var(--ink);   color: var(--on-ink); }
.section--paper { background: var(--paper); color: var(--on-paper); }
.section--ink .eyebrow { color: var(--signal); }
.lead { font-size: clamp(1.04rem, 2.2vw, 1.22rem); line-height: 1.62; max-width: 56ch; color: var(--on-paper-mute); }
.section--ink .lead { color: var(--on-ink-mute); }

/* ---- Type ---- */
h1, h2, h3 { font-family: var(--display); font-weight: 700; line-height: 1.08; letter-spacing: -.02em; }
h1 { font-size: clamp(2.3rem, 6vw, 4rem); }
h2 { font-size: clamp(1.8rem, 4.2vw, 2.85rem); letter-spacing: -.025em; }
h3 { font-size: clamp(1.12rem, 2.4vw, 1.4rem); font-weight: 600; letter-spacing: -.01em; }
p { text-wrap: pretty; }

.eyebrow {
  font-family: var(--mono); font-size: .72rem; font-weight: 600;
  letter-spacing: .18em; text-transform: uppercase; color: var(--signal-2);
  display: inline-block; margin-bottom: 1rem;
}
.mono { font-family: var(--mono); font-feature-settings: "tnum" 1; }

/* Section heading block */
.head { max-width: 60ch; }
.head h2 { margin-bottom: .9rem; }

/* ---- Caliper divider (motif) ---- */
.rule-caliper {
  height: 1px; background: var(--line); position: relative;
  margin-block: clamp(1.4rem, 3vw, 2.2rem); border: 0;
}
.section--ink .rule-caliper { background: var(--ink-line); }
.rule-caliper::before, .rule-caliper::after {
  content: ""; position: absolute; top: -4px; width: 1px; height: 9px; background: currentColor; opacity: .35;
}
.rule-caliper::before { left: 0; }
.rule-caliper::after  { right: 0; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  font-family: var(--display); font-weight: 600; font-size: .95rem;
  padding: .82rem 1.5rem; border-radius: var(--r-sm); border: 1.5px solid transparent;
  background: transparent;
  transition: background .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease), transform .18s var(--ease);
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn--signal { background: var(--signal); color: #fff; }
.btn--signal:hover { background: var(--signal-2); }
.btn--ghost { border-color: var(--line); color: var(--on-paper); }
.btn--ghost:hover { border-color: var(--on-paper); }
.section--ink .btn--ghost, .btn--ghost-dark { border-color: var(--on-ink-faint); color: var(--on-ink); }
.section--ink .btn--ghost:hover, .btn--ghost-dark:hover { border-color: var(--on-ink); background: rgba(246,241,236,.06); }
.btn--lg { padding: .98rem 1.9rem; font-size: 1.02rem; }
.btn--sm { padding: .55rem 1rem; font-size: .86rem; }
.btn:focus-visible { outline: 2px solid var(--signal); outline-offset: 2px; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }

/* ---- Chips ---- */
.chip {
  display: inline-flex; align-items: center; gap: .4rem;
  font-family: var(--mono); font-size: .68rem; font-weight: 500; letter-spacing: .04em;
  padding: .28rem .6rem; border-radius: 999px; border: 1px solid var(--line); color: var(--on-paper-mute);
}
.section--ink .chip { border-color: var(--ink-line); color: var(--on-ink-mute); }
.chip--sample { color: var(--amber); border-color: rgba(154,107,21,.4); background: var(--amber-soft); }
.chip--soon { color: var(--signal); border-color: rgba(229,71,107,.45); background: var(--signal-soft); }
.chip--go { color: var(--on-ink); border-color: var(--ink-line); }
.chip--go svg { width: 13px; height: 13px; }

/* ---- Reveal-on-scroll ---- */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

/* ============================================================
   Demo ribbon (honest, no pitch link)
   ============================================================ */
.demo-ribbon { background: var(--ink-2); color: var(--on-ink-mute); border-bottom: 1px solid var(--ink-line); }
.demo-ribbon__inner { display: flex; align-items: center; gap: .7rem; flex-wrap: wrap; padding-block: .5rem; font-size: .78rem; }
.demo-tag { font-family: var(--mono); font-weight: 600; font-size: .64rem; letter-spacing: .14em; color: var(--ink); background: var(--mist); padding: .18rem .5rem; border-radius: 4px; }
.demo-msg { color: var(--on-ink-mute); }

/* ============================================================
   Header + mobile drawer
   ============================================================ */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(21,19,26,.86); backdrop-filter: saturate(140%) blur(10px); border-bottom: 1px solid var(--ink-line); color: var(--on-ink); }
.header-inner { display: flex; align-items: center; gap: 1rem; min-height: 64px; }
.brand { display: inline-flex; align-items: center; gap: .55rem; font-family: var(--display); font-weight: 700; letter-spacing: -.02em; }
.brand-mark { width: 30px; height: 30px; flex-shrink: 0; }
.brand-word { font-size: 1.22rem; }
.brand-word b { color: var(--signal); font-weight: 700; }
.brand-sub { font-family: var(--mono); font-size: .56rem; letter-spacing: .2em; text-transform: uppercase; color: var(--on-ink-faint); display: block; margin-top: -2px; }

.nav-primary { margin-left: auto; }
.nav-primary ul { display: flex; align-items: center; gap: 1.6rem; list-style: none; }
.nav-primary a { font-size: .92rem; color: var(--on-ink-mute); transition: color .18s var(--ease); }
.nav-primary a:hover { color: var(--on-ink); }
.header-cta { margin-left: 1.4rem; }

.menu-toggle { display: none; background: transparent; border: 1px solid var(--ink-line); border-radius: var(--r-sm); padding: .42rem; color: var(--on-ink); margin-left: auto; }

.mobile-drawer { position: fixed; inset: 0; z-index: 200; pointer-events: none; }
.drawer-scrim { position: absolute; inset: 0; background: rgba(10,8,14,.6); opacity: 0; transition: opacity .25s var(--ease); }
.drawer-panel { position: absolute; top: 0; right: 0; bottom: 0; width: min(330px, 86vw); background: var(--ink); color: var(--on-ink); transform: translateX(100%); transition: transform .3s var(--ease); display: flex; flex-direction: column; padding: 1.2rem 1.3rem 1.6rem; }
.mobile-drawer[data-open="true"] { pointer-events: auto; }
.mobile-drawer[data-open="true"] .drawer-scrim { opacity: 1; }
.mobile-drawer[data-open="true"] .drawer-panel { transform: none; box-shadow: -18px 0 48px rgba(0,0,0,.5); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.2rem; }
.drawer-close { background: transparent; border: 0; color: var(--on-ink); padding: .3rem; }
.drawer-nav ul { list-style: none; display: flex; flex-direction: column; }
.drawer-nav a { display: block; padding: .82rem .1rem; font-family: var(--display); font-weight: 600; font-size: 1.06rem; color: var(--on-ink-mute); border-bottom: 1px solid var(--ink-line); }
.drawer-nav a:hover, .drawer-nav a[aria-current="page"] { color: var(--signal); }
.drawer-foot { margin-top: auto; display: flex; flex-direction: column; gap: .6rem; padding-top: 1.2rem; }

/* ============================================================
   Hero + Fit Strip
   ============================================================ */
.hero { padding-block: clamp(3rem, 7vw, 5.4rem); }
.hero-grid { display: grid; grid-template-columns: 1.02fr .98fr; gap: clamp(1.6rem, 4vw, 3.4rem); align-items: center; }
.hero-copy h1 { margin-block: .8rem 1.1rem; }
.hero-copy h1 b { color: var(--signal); font-weight: 700; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.7rem; }
.hero-assure { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1.5rem; }

/* Fit Strip art (the measuring bench) */
.fitstrip-art { background: var(--ink-2); border: 1px solid var(--ink-line); border-radius: var(--r-tip); padding: clamp(1.1rem, 3vw, 1.7rem); position: relative; }
.fitstrip-art__label { font-family: var(--mono); font-size: .64rem; letter-spacing: .12em; text-transform: uppercase; color: var(--on-ink-faint); display: flex; justify-content: space-between; margin-bottom: 1rem; }
.fitstrip-svg { width: 100%; height: auto; }

/* ============================================================
   Sizing tool (mocked, honest)
   ============================================================ */
.sizer-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(1.4rem, 4vw, 3rem); align-items: start; margin-top: 2.4rem; }

.sizer-steps { list-style: none; display: flex; flex-direction: column; gap: 1rem; }
.sizer-steps li { display: flex; gap: .9rem; align-items: flex-start; }
.sizer-steps .n { flex-shrink: 0; width: 30px; height: 30px; border-radius: 50%; border: 1.5px solid var(--signal); color: var(--signal); display: grid; place-items: center; font-family: var(--mono); font-weight: 600; font-size: .85rem; }
.sizer-steps strong { display: block; font-family: var(--display); font-weight: 600; color: var(--on-ink); margin-bottom: .1rem; }
.sizer-steps p { font-size: .92rem; color: var(--on-ink-mute); margin: 0; }

.sizer-panel { background: var(--ink-2); border: 1px solid var(--ink-line); border-radius: var(--r-tip); padding: clamp(1.1rem, 3vw, 1.6rem); }

/* upload */
.file-drop { border: 1.5px dashed var(--on-ink-faint); border-radius: var(--r); padding: 1.4rem; text-align: center; transition: border-color .18s var(--ease), background .18s var(--ease); color: var(--on-ink-mute); }
.file-drop[data-hover="true"] { border-color: var(--signal); background: var(--signal-soft); }
.file-drop svg { width: 28px; height: 28px; margin: 0 auto .5rem; color: var(--on-ink-faint); }
.file-drop .pick { color: var(--signal); text-decoration: underline; cursor: pointer; }
.file-drop input[type="file"] { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.thumb-row { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: .8rem; }
.thumb { position: relative; width: 64px; height: 64px; border-radius: var(--r-sm); overflow: hidden; border: 1px solid var(--ink-line); }
.thumb img { width: 100%; height: 100%; object-fit: cover; }
.thumb-remove { position: absolute; top: 2px; right: 2px; width: 20px; height: 20px; border-radius: 50%; background: rgba(10,8,14,.78); color: #fff; border: 0; font-size: 14px; line-height: 1; display: grid; place-items: center; }
.sizer-or { font-family: var(--mono); font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; color: var(--on-ink-faint); text-align: center; margin: .9rem 0; }
.sizer-actions { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1rem; }

/* fit-scan strip */
.fit-scan { position: relative; margin-top: 1.3rem; padding: 1.1rem 1rem 1.4rem; border-radius: var(--r); background: var(--ink); border: 1px solid var(--ink-line); overflow: hidden; }
.fit-row { display: flex; justify-content: space-around; align-items: flex-end; gap: .4rem; height: 84px; }
.fit-tip { width: 26px; background: linear-gradient(180deg, var(--mist), #8f8898); border-radius: 13px 13px 8px 8px / 18px 18px 8px 8px; opacity: .42; transition: opacity .25s var(--ease), background .25s var(--ease); }
.fit-tip.lit { opacity: 1; background: linear-gradient(180deg, var(--signal), var(--signal-2)); }
.fit-baseline { height: 1px; background: var(--ink-line); margin-top: .5rem; position: relative; }
.fit-baseline span { position: absolute; top: 4px; font-family: var(--mono); font-size: .58rem; color: var(--on-ink-faint); transform: translateX(-50%); }
.fit-card-ref { font-family: var(--mono); font-size: .62rem; color: var(--on-ink-faint); text-align: center; margin-top: 1.1rem; letter-spacing: .04em; }
.fit-sweep { position: absolute; top: 0; bottom: 0; width: 2px; background: var(--signal); box-shadow: 0 0 14px 2px var(--signal); left: 0; opacity: 0; }
.fit-scan.scanning .fit-sweep { animation: sweep 1.7s var(--ease) forwards; }
@keyframes sweep { 0% { left: 4%; opacity: 1; } 92% { opacity: 1; } 100% { left: 96%; opacity: 0; } }
.scan-status { font-family: var(--mono); font-size: .68rem; letter-spacing: .08em; text-transform: uppercase; color: var(--signal); text-align: center; margin-top: .9rem; min-height: 1rem; }
@media (prefers-reduced-motion: reduce) { .fit-scan.scanning .fit-sweep { animation: none; opacity: 0; } }

/* result card */
.result-card { background: var(--paper); color: var(--on-paper); border-radius: var(--r-tip); padding: clamp(1.2rem, 3vw, 1.6rem); margin-top: 1.3rem; border: 1px solid var(--line); }
.result-card[hidden] { display: none; }
.result-head { display: flex; align-items: center; justify-content: space-between; gap: .6rem; flex-wrap: wrap; margin-bottom: .9rem; }
.result-head .brand-word { font-size: 1.05rem; color: var(--on-paper); }
.result-title { font-family: var(--display); font-weight: 700; font-size: 1.3rem; margin-bottom: .2rem; }
.result-code { font-family: var(--mono); font-size: 1.5rem; font-weight: 600; color: var(--signal-2); letter-spacing: .06em; }
.size-table { width: 100%; border-collapse: collapse; margin: .9rem 0; }
.size-table th, .size-table td { text-align: left; padding: .5rem .3rem; border-bottom: 1px solid var(--line); font-size: .9rem; }
.size-table th { font-family: var(--mono); font-size: .64rem; letter-spacing: .1em; text-transform: uppercase; color: var(--on-paper-mute); font-weight: 500; }
.size-table td.num { font-family: var(--mono); font-feature-settings: "tnum" 1; text-align: right; }
.size-table td.sz { font-family: var(--mono); font-weight: 600; color: var(--signal-2); text-align: right; }
.result-note { font-size: .82rem; color: var(--on-paper-mute); margin-top: .3rem; }
.result-disclaimer { font-size: .76rem; color: var(--amber); background: var(--amber-soft); border-radius: var(--r-sm); padding: .5rem .7rem; margin-top: .9rem; }
.result-actions { display: flex; flex-wrap: wrap; gap: .55rem; margin-top: 1.1rem; }

/* assurance trio */
.assure-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 2.4rem; }
.assure-item { display: flex; gap: .6rem; align-items: flex-start; }
.assure-item svg { width: 20px; height: 20px; color: var(--signal); flex-shrink: 0; margin-top: 2px; }
.assure-item b { font-family: var(--display); font-weight: 600; display: block; font-size: .98rem; }
.assure-item span { font-size: .86rem; color: var(--on-ink-mute); }

/* ============================================================
   Product range (Set / Pair / Singles + drop)
   ============================================================ */
.tier-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.1rem; margin-top: 2.2rem; }
.tier-card { background: var(--paper-2); border: 1px solid var(--line); border-radius: var(--r-tip); padding: 1.5rem 1.4rem; display: flex; flex-direction: column; transition: transform .2s var(--ease), border-color .2s var(--ease); }
.tier-card:hover { transform: translateY(-3px); border-color: var(--signal); }
.tier-card__name { font-family: var(--display); font-weight: 700; font-size: 1.25rem; }
.tier-card__price { font-family: var(--mono); font-size: 1.6rem; font-weight: 600; margin-top: .3rem; color: var(--on-paper); }
.tier-card__price small { font-size: .8rem; color: var(--on-paper-mute); font-weight: 500; }
.tier-card__rule { height: 1px; background: var(--line); margin: .9rem 0; position: relative; }
.tier-card__rule::before, .tier-card__rule::after { content: ""; position: absolute; top: -3px; width: 1px; height: 7px; background: var(--on-paper-mute); opacity: .5; }
.tier-card__rule::before { left: 0; } .tier-card__rule::after { right: 0; }
.tier-card__for { font-size: .92rem; color: var(--on-paper-mute); flex-grow: 1; }
.tier-card__fits { font-family: var(--mono); font-size: .72rem; letter-spacing: .04em; color: var(--signal-2); margin-top: 1rem; }
.tier-card__meta { display: flex; align-items: center; gap: .5rem; margin-top: 1rem; flex-wrap: wrap; }

/* current drop */
.drop-head { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-top: 3rem; }
.drop-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-top: 1.4rem; }
.drop-tile { border-radius: var(--r); overflow: hidden; border: 1px solid var(--line); background: var(--blush); }
.drop-tile svg { width: 100%; height: auto; display: block; }
.drop-tile__cap { display: flex; align-items: baseline; justify-content: space-between; gap: .5rem; padding: .7rem .8rem .8rem; background: var(--paper-2); }
.drop-tile__name { font-family: var(--display); font-weight: 600; font-size: .98rem; }
.drop-tile__price { font-family: var(--mono); font-size: .8rem; color: var(--on-paper-mute); }

/* ============================================================
   Education ("explain the glue")
   ============================================================ */
.glue-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.1rem; margin-top: 2.2rem; }
.glue-panel { background: var(--paper-2); border: 1px solid var(--line); border-radius: var(--r-tip); padding: 1.5rem 1.4rem; }
.glue-panel__svg { width: 100%; height: auto; margin-bottom: 1rem; border-radius: var(--r-sm); background: var(--paper); border: 1px solid var(--line); }
.glue-panel h3 { display: flex; align-items: center; gap: .5rem; }
.glue-panel h3 .n { font-family: var(--mono); font-size: .72rem; color: var(--signal-2); border: 1px solid var(--signal); border-radius: 4px; padding: .05rem .35rem; }
.glue-steps { list-style: none; margin-top: .9rem; display: flex; flex-direction: column; gap: .5rem; }
.glue-steps li { font-size: .9rem; color: var(--on-paper-mute); padding-left: 1.1rem; position: relative; }
.glue-steps li::before { content: ""; position: absolute; left: 0; top: .55em; width: 7px; height: 1px; background: var(--signal); }

.kit-line { margin-top: 2.4rem; display: flex; flex-wrap: wrap; gap: .6rem 1.2rem; align-items: center; font-size: .92rem; color: var(--on-paper-mute); }
.kit-line b { font-family: var(--display); color: var(--on-paper); }

/* FAQ */
.faq { margin-top: 2.4rem; max-width: 760px; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { font-family: var(--display); font-weight: 600; font-size: 1.02rem; padding: 1rem 2rem 1rem 0; cursor: pointer; list-style: none; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: .2rem; top: .9rem; font-family: var(--mono); color: var(--signal); font-size: 1.3rem; transition: transform .2s var(--ease); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding-bottom: 1.1rem; color: var(--on-paper-mute); font-size: .94rem; max-width: 64ch; }

/* ============================================================
   Founder / story
   ============================================================ */
.story-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(1.6rem, 4vw, 3rem); align-items: center; }
.story-portrait { aspect-ratio: 4 / 5; border-radius: var(--r-tip); background: linear-gradient(150deg, var(--paper-2), var(--blush)); border: 1px solid var(--line); display: grid; place-items: center; text-align: center; padding: 1.5rem; }
.story-portrait .ph { font-family: var(--mono); font-size: .72rem; color: var(--on-paper-mute); letter-spacing: .04em; line-height: 1.6; }
.story-portrait svg { width: 64px; height: 64px; color: var(--on-paper-mute); opacity: .5; margin-bottom: .8rem; }
.story-quote { font-family: var(--display); font-weight: 600; font-size: clamp(1.3rem, 3vw, 1.85rem); line-height: 1.28; letter-spacing: -.02em; margin: 1rem 0 1.2rem; }
.story-quote span { color: var(--on-paper-mute); }
.story-copy p { color: var(--on-paper-mute); margin-bottom: .9rem; max-width: 56ch; }
.story-draft { font-size: .82rem; }

/* ============================================================
   Social proof (clearly sample)
   ============================================================ */
.proof-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.1rem; margin-top: 2.2rem; }
.proof-card { background: var(--paper-2); border: 1px solid var(--line); border-radius: var(--r-tip); padding: 1.4rem; display: flex; flex-direction: column; gap: .9rem; }
.proof-card__quote { font-size: 1rem; line-height: 1.55; }
.proof-card__who { display: flex; align-items: center; justify-content: space-between; gap: .6rem; margin-top: auto; }
.proof-card__name { font-family: var(--display); font-weight: 600; font-size: .9rem; color: var(--on-paper-mute); }

/* ============================================================
   Roadmap / future (coming online)
   ============================================================ */
.soon-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.1rem; margin-top: 2.2rem; }
.soon-card { background: var(--ink-2); border: 1px solid var(--ink-line); border-radius: var(--r-tip); padding: 1.5rem; position: relative; }
.soon-card__top { display: flex; align-items: center; justify-content: space-between; gap: .6rem; margin-bottom: .6rem; }
.soon-card h3 { color: var(--on-ink); }
.soon-card p { color: var(--on-ink-mute); font-size: .92rem; margin-top: .3rem; }
.soon-card__icon { width: 26px; height: 26px; color: var(--signal); }

/* ============================================================
   Card insert / "the case is a business card"
   ============================================================ */
.insert-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.6rem, 4vw, 3rem); align-items: center; }
.case-art { width: 100%; height: auto; }
.insert-copy p { color: var(--on-ink-mute); margin-bottom: 1rem; max-width: 50ch; }
.social-row { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1.3rem; }
.social-link { display: inline-flex; align-items: center; gap: .5rem; padding: .55rem .95rem; border: 1px solid var(--ink-line); border-radius: 999px; font-size: .9rem; color: var(--on-ink); transition: border-color .18s var(--ease); }
.social-link:hover { border-color: var(--signal); }
.social-link svg { width: 17px; height: 17px; }
.social-link[aria-disabled="true"] { color: var(--on-ink-faint); cursor: default; }

/* ============================================================
   Footer
   ============================================================ */
.site-footer { background: var(--ink); color: var(--on-ink); padding-block: clamp(2.6rem, 5vw, 3.6rem); border-top: 1px solid var(--ink-line); }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 2rem; }
.footer-brand .brand { margin-bottom: .9rem; }
.footer-desc { color: var(--on-ink-mute); font-size: .92rem; max-width: 40ch; }
.footer-col h2 { font-family: var(--mono); font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: var(--on-ink-faint); margin-bottom: .9rem; font-weight: 600; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: .55rem; }
.footer-col a, .footer-col span { color: var(--on-ink-mute); font-size: .92rem; }
.footer-col a:hover { color: var(--on-ink); }
.footer-meta { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1rem; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-top: 2.4rem; padding-top: 1.4rem; border-top: 1px solid var(--ink-line); color: var(--on-ink-faint); font-size: .8rem; }

.footer-pb { display: inline-flex; align-items: center; gap: .55rem; color: var(--on-ink-faint); font-family: var(--mono); font-size: .68rem; letter-spacing: .08em; text-transform: uppercase; transition: color .2s ease; }
.footer-pb:hover { color: var(--on-ink); }
.footer-pb__icon { position: relative; width: 24px; height: 24px; display: inline-block; background: rgba(242,245,250,.95); border-radius: 50%; padding: 3px; }
.footer-pb__icon img { width: 100%; height: 100%; display: block; }
.footer-pb__pulse { position: absolute; inset: 0; border-radius: 50%; box-shadow: 0 0 0 0 rgba(11,199,94,.5); animation: pbpulse 2.6s ease-out infinite; }
@keyframes pbpulse { to { box-shadow: 0 0 0 12px rgba(11,199,94,0); } }
@media (prefers-reduced-motion: reduce) { .footer-pb__pulse { animation: none; } }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 920px) {
  .hero-grid, .sizer-grid, .story-grid, .insert-grid { grid-template-columns: 1fr; }
  .hero-art { order: -1; }
  .tier-grid, .glue-grid, .proof-grid, .soon-grid { grid-template-columns: 1fr 1fr; }
  .drop-strip { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .assure-row { grid-template-columns: 1fr; gap: .8rem; }
}
@media (max-width: 760px) {
  .nav-primary, .header-cta { display: none; }
  .menu-toggle { display: inline-flex; }
}
@media (max-width: 540px) {
  .tier-grid, .glue-grid, .proof-grid, .soon-grid, .footer-grid { grid-template-columns: 1fr; }
  .drop-strip { grid-template-columns: 1fr 1fr; }
  .story-portrait { aspect-ratio: 3 / 2; }
}