/* ============================================================
   VISTO — design system
   Ivory paper, warm ink, terracotta accent. Hairline borders,
   serif display + humanist sans. Anthropic-adjacent restraint.
   ============================================================ */

:root {
  --paper: #F0EEE6;
  --paper-raised: #FAF9F5;
  --paper-sunken: #E8E5DB;
  --ink: #1F1E1B;
  --ink-soft: #57544C;
  --ink-faint: #8B877C;
  --hairline: #DCD8CB;
  --accent: #C6613F;
  --accent-deep: #A84E2F;
  --ok: #3E7C4F;
  --ok-soft: #E4EEE5;

  --serif: "Source Serif 4", Georgia, serif;
  --sans: "Instrument Sans", "Segoe UI", system-ui, sans-serif;

  --measure: 62ch;
  --radius: 10px;
  --radius-lg: 16px;
  --gutter: clamp(1.25rem, 4vw, 4rem);
  --ease-out: cubic-bezier(.22, .8, .3, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a { color: inherit; }
ul, ol { list-style: none; }

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.015em;
  text-wrap: balance;
}

::selection { background: var(--accent); color: var(--paper-raised); }

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

/* ---------- primitives ---------- */

.eyebrow {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-deep);
  margin-bottom: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  font: 600 1rem/1 var(--sans);
  padding: 0.95rem 1.6rem;
  border-radius: 999px;
  border: 1px solid transparent;
  text-decoration: none;
  cursor: pointer;
  transition: background-color .2s var(--ease-out), border-color .2s var(--ease-out), transform .2s var(--ease-out);
}
.btn:active { transform: scale(.98); }

.btn-primary { background: var(--ink); color: var(--paper-raised); }
.btn-primary:hover { background: var(--accent-deep); }

.btn-ghost { border-color: var(--hairline); color: var(--ink); background: transparent; }
.btn-ghost:hover { border-color: var(--ink); }

.btn-light { background: var(--paper-raised); color: var(--ink); }
.btn-light:hover { background: var(--paper); }

.btn-sm { padding: 0.6rem 1.15rem; font-size: 0.9rem; }
.btn-block { width: 100%; }

.brand {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  font: 600 1.15rem/1 var(--sans);
  letter-spacing: 0.14em;
  text-decoration: none;
}
.brand-mark {
  width: .95em; height: .95em;
  border-radius: 3px 3px 3px 8px;
  background: var(--accent);
  display: inline-block;
}

/* ---------- header ---------- */

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  background: color-mix(in srgb, var(--paper) 82%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid color-mix(in srgb, var(--hairline) 65%, transparent);
}
.header-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: .85rem var(--gutter);
  display: flex;
  align-items: center;
  gap: 2.5rem;
}
.site-nav { display: flex; gap: 1.75rem; margin-right: auto; }
.site-nav a {
  font-size: .95rem;
  font-weight: 500;
  color: var(--ink-soft);
  text-decoration: none;
  transition: color .15s;
}
.site-nav a:hover { color: var(--ink); }

@media (max-width: 720px) {
  .site-nav { display: none; }
  .header-inner { justify-content: space-between; }
}

/* ---------- hero scrub ---------- */

.hero-scrub { height: 420vh; position: relative; }

.hero-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100svh;
  overflow: hidden;
}

/* full-bleed frame-scrubbed construction animation */
.hero-stage {
  position: absolute;
  inset: 0;
  background: var(--paper);
}
#hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-scrim {
  position: absolute;
  inset: 0;
  /* warm the video's cool gray toward the paper palette + keep the copy legible */
  background:
    linear-gradient(76deg, color-mix(in srgb, var(--paper) 92%, transparent) 0%, color-mix(in srgb, var(--paper) 55%, transparent) 32%, transparent 55%),
    linear-gradient(270deg, color-mix(in srgb, var(--paper) 85%, transparent) 0%, transparent 15%),
    linear-gradient(180deg, color-mix(in srgb, var(--paper) 55%, transparent) 0%, transparent 18%),
    color-mix(in srgb, var(--paper) 16%, transparent);
}

.hero-copy {
  position: absolute;
  left: var(--gutter);
  bottom: clamp(3rem, 11vh, 7rem);
  max-width: 620px;
  z-index: 3;
}
.hero-copy h1 {
  font-size: clamp(2.6rem, 6.2vw, 5rem);
  margin-bottom: 1.25rem;
}
.hero-sub {
  font-size: clamp(1.05rem, 1.4vw, 1.2rem);
  color: var(--ink-soft);
  max-width: 46ch;
  margin-bottom: 2rem;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: .85rem; }

/* check tooltips */
.hero-tooltips { position: absolute; inset: 0; z-index: 2; }
.check-tip {
  position: absolute;
  left: var(--x); top: var(--y);
  display: flex;
  align-items: center;
  gap: .6rem;
  background: var(--paper-raised);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: .55rem .8rem .55rem .6rem;
  box-shadow: 0 12px 32px -12px rgba(31, 30, 27, .25);
  opacity: 0;
  transform: translateY(14px) scale(.92);
  transform-origin: left bottom;
  transition: opacity .45s var(--ease-out), transform .45s var(--ease-out);
}
.check-tip.on { opacity: 1; transform: translateY(0) scale(1); }

.tip-check {
  flex: none;
  width: 1.5rem; height: 1.5rem;
  border-radius: 50%;
  background: var(--ok);
  position: relative;
}
.tip-check::after {
  content: "";
  position: absolute;
  left: .42rem; top: .48rem;
  width: .6rem; height: .32rem;
  border-left: 2.5px solid #fff;
  border-bottom: 2.5px solid #fff;
  transform: rotate(-45deg);
}
.tip-check.big { width: 2.2rem; height: 2.2rem; }
.tip-check.big::after { left: .62rem; top: .72rem; width: .9rem; height: .45rem; }

.tip-body {
  display: flex;
  flex-direction: column;
  font-size: .78rem;
  line-height: 1.35;
  color: var(--ink-faint);
  white-space: nowrap;
}
.tip-body strong { font-size: .85rem; color: var(--ink); font-weight: 600; }

/* progress rail */
.hero-rail {
  position: absolute;
  right: var(--gutter);
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  display: flex;
  gap: .9rem;
}
.rail-line {
  width: 2px;
  border-radius: 2px;
  background: color-mix(in srgb, var(--ink) 18%, transparent);
  overflow: hidden;
}
.rail-fill {
  width: 100%; height: 0%;
  background: var(--accent);
}
.rail-steps {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 15rem;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.rail-steps li { transition: color .3s; }
.rail-steps li.on { color: var(--ink); }
.rail-steps li.on::before { content: "✓ "; color: var(--ok); }

.scroll-hint {
  position: absolute;
  left: 50%;
  bottom: 1.4rem;
  transform: translateX(-50%);
  z-index: 3;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  display: flex;
  align-items: center;
  gap: .6rem;
  transition: opacity .4s;
}
.scroll-hint span {
  width: 1px; height: 2.2rem;
  background: var(--ink-faint);
  animation: hint 1.8s var(--ease-out) infinite;
}
@keyframes hint {
  0% { transform: scaleY(0); transform-origin: top; }
  45% { transform: scaleY(1); transform-origin: top; }
  55% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}
.hero-scrub.scrolled .scroll-hint { opacity: 0; }

@media (max-width: 860px) {
  .hero-rail { display: none; }
  .hero-scrim {
    background:
      linear-gradient(180deg, transparent 26%, color-mix(in srgb, var(--paper) 92%, transparent) 58%, var(--paper) 100%),
      color-mix(in srgb, var(--paper) 16%, transparent);
  }
  .hero-copy { max-width: none; right: var(--gutter); }
  .check-tip { --x: 6% !important; }
  .check-tip:nth-child(1) { --y: 12% !important; }
  .check-tip:nth-child(2) { --y: 21% !important; }
  .check-tip:nth-child(3) { --y: 30% !important; }
  .check-tip:nth-child(4) { --y: 39% !important; }
}

/* ---------- logo strip ---------- */

.logo-strip {
  border-block: 1px solid var(--hairline);
  background: var(--paper-raised);
  padding: 2.75rem var(--gutter);
  text-align: center;
}
.strip-label {
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 1.75rem;
}
.logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2.5rem 3.5rem;
  max-width: 1100px;
  margin: 0 auto;
}
.logos li {
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--ink-faint);
  display: flex;
  align-items: baseline;
  gap: .45rem;
  filter: grayscale(1);
  opacity: .85;
  transition: color .2s, opacity .2s;
}
.logos li:hover { color: var(--ink-soft); opacity: 1; }
.logos li span {
  font-family: var(--sans);
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
}

/* ---------- features (pinned) ---------- */

.features-track { height: 280vh; }
.features-sticky {
  position: sticky;
  top: 0;
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
  max-width: 1240px;
  margin: 0 auto;
  padding: 6rem var(--gutter) 4rem;
}

.features-media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--hairline);
  box-shadow: 0 32px 64px -32px rgba(31, 30, 27, .35);
}
.features-media img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4/4.4; }
.media-caption {
  position: absolute;
  left: 1rem; bottom: 1rem;
  background: color-mix(in srgb, var(--paper-raised) 92%, transparent);
  border: 1px solid var(--hairline);
  border-radius: 999px;
  font-size: .78rem;
  font-weight: 600;
  padding: .4rem .9rem;
  color: var(--ink-soft);
}

.feature-block {
  padding: 1.9rem 0;
  border-top: 1px solid var(--hairline);
  opacity: .28;
  transition: opacity .45s var(--ease-out);
}
.feature-block:last-child { border-bottom: 1px solid var(--hairline); }
.feature-block.active { opacity: 1; }
.feature-block h2 {
  font-size: clamp(1.7rem, 2.6vw, 2.4rem);
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: .7rem;
}
.feature-index {
  font-family: var(--sans);
  font-size: .85rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: .08em;
}
.feature-block p { color: var(--ink-soft); max-width: 44ch; }

@media (max-width: 860px) {
  .features-track { height: auto; }
  .features-sticky { position: static; grid-template-columns: 1fr; min-height: 0; padding-block: 4rem 2rem; }
  .feature-block { opacity: 1; }
}

/* ---------- metrics ---------- */

.metrics {
  background: var(--ink);
  color: var(--paper);
  padding: clamp(4rem, 9vw, 7rem) var(--gutter);
}
.metrics-inner {
  max-width: 1240px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.metric { border-left: 1px solid color-mix(in srgb, var(--paper) 22%, transparent); padding-left: 1.75rem; }
.metric-value {
  font-family: var(--serif);
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.02em;
}
.metric-label { color: color-mix(in srgb, var(--paper) 74%, transparent); margin-top: .6rem; }

@media (max-width: 720px) {
  .metrics-inner { grid-template-columns: 1fr; gap: 2.5rem; }
}

/* ---------- product / browser frame ---------- */

.product { padding: clamp(5rem, 10vw, 8rem) var(--gutter); }
.section-head { max-width: 720px; margin: 0 auto 3.5rem; text-align: center; }
.section-head h2 { font-size: clamp(2rem, 4vw, 3.2rem); margin-bottom: 1rem; }
.section-sub { color: var(--ink-soft); }

.browser-frame {
  max-width: 1080px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--hairline);
  background: var(--paper-raised);
  box-shadow:
    0 1px 2px rgba(31,30,27,.06),
    0 24px 48px -16px rgba(31,30,27,.18),
    0 64px 128px -48px rgba(31,30,27,.22);
  overflow: hidden;
}
.browser-bar {
  display: flex;
  align-items: center;
  gap: .45rem;
  padding: .7rem 1rem;
  border-bottom: 1px solid var(--hairline);
  background: var(--paper);
}
.browser-bar .dot { width: .65rem; height: .65rem; border-radius: 50%; background: var(--hairline); }
.browser-url {
  margin-left: 1rem;
  font-size: .78rem;
  color: var(--ink-faint);
  background: var(--paper-sunken);
  border-radius: 6px;
  padding: .25rem .9rem;
}

.app-ui { display: grid; grid-template-columns: 200px 1fr; min-height: 430px; }
.app-side {
  border-right: 1px solid var(--hairline);
  padding: 1.25rem 0;
  background: var(--paper);
}
.app-brand { padding: 0 1.25rem 1rem; display: flex; align-items: center; gap: .5rem; font: 600 .95rem/1 var(--sans); letter-spacing: .12em; }
.app-side ul li {
  padding: .55rem 1.25rem;
  font-size: .88rem;
  color: var(--ink-soft);
}
.app-side ul li.active {
  color: var(--ink);
  font-weight: 600;
  border-right: 2px solid var(--accent);
  background: color-mix(in srgb, var(--accent) 7%, transparent);
}
.app-main { padding: 1.5rem 1.75rem; }
.app-header { display: flex; justify-content: space-between; align-items: start; margin-bottom: 1.4rem; }
.app-title { font-weight: 600; font-size: 1.05rem; }
.app-sub { font-size: .8rem; color: var(--ink-faint); }
.badge-ok {
  font-size: .75rem;
  font-weight: 600;
  color: var(--ok);
  background: var(--ok-soft);
  border: 1px solid color-mix(in srgb, var(--ok) 25%, transparent);
  padding: .35rem .8rem;
  border-radius: 999px;
}
.app-kpis { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: .9rem; margin-bottom: 1.4rem; }
.kpi {
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  background: var(--paper-raised);
}
.kpi-value { font-family: var(--serif); font-size: 1.9rem; font-weight: 500; line-height: 1.1; }
.kpi-hero .kpi-value { color: var(--ok); }
.kpi-label { font-size: .78rem; color: var(--ink-faint); margin-top: .15rem; }
.kpi-bar { height: 5px; border-radius: 5px; background: var(--paper-sunken); margin-top: .7rem; overflow: hidden; }
.kpi-bar span { display: block; height: 100%; width: var(--w); background: var(--ok); border-radius: 5px; }

.app-table { border: 1px solid var(--hairline); border-radius: var(--radius); overflow: hidden; }
.app-row {
  display: grid;
  grid-template-columns: 2fr .7fr 1fr;
  padding: .65rem 1.1rem;
  font-size: .85rem;
  border-top: 1px solid var(--hairline);
}
.app-row-head {
  border-top: 0;
  background: var(--paper);
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.row-ok { color: var(--ok); font-weight: 600; display: flex; align-items: center; gap: .4rem; }
.row-ok i {
  width: .85rem; height: .85rem;
  border-radius: 50%;
  background: var(--ok);
  position: relative;
}
.row-ok i::after {
  content: "";
  position: absolute;
  left: .22rem; top: .26rem;
  width: .34rem; height: .18rem;
  border-left: 1.6px solid #fff;
  border-bottom: 1.6px solid #fff;
  transform: rotate(-45deg);
}

@media (max-width: 760px) {
  .app-ui { grid-template-columns: 1fr; }
  .app-side { display: none; }
  .app-kpis { grid-template-columns: 1fr; }
}

/* ---------- contact ---------- */

.contact {
  background: var(--paper-raised);
  border-block: 1px solid var(--hairline);
  padding: clamp(5rem, 10vw, 8rem) var(--gutter);
}
.contact-inner {
  max-width: 1240px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: start;
}
.contact-copy h2 { font-size: clamp(2rem, 3.6vw, 3rem); margin-bottom: 1.2rem; }
.contact-copy > p { color: var(--ink-soft); max-width: 52ch; }
.contact-points { margin-top: 2.25rem; display: grid; gap: 1.4rem; }
.contact-points li {
  display: grid;
  gap: .2rem;
  padding-left: 1.4rem;
  border-left: 2px solid var(--accent);
  color: var(--ink-soft);
  font-size: .97rem;
}
.contact-points strong { color: var(--ink); font-size: 1.05rem; }

.lead-form {
  background: var(--paper);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: clamp(1.75rem, 3vw, 2.5rem);
  box-shadow: 0 24px 48px -24px rgba(31,30,27,.18);
  position: relative;
}
.lead-form h3 { font-size: 1.6rem; margin-bottom: .3rem; }
.form-sub { color: var(--ink-faint); font-size: .92rem; margin-bottom: 1.75rem; }

.field { display: grid; gap: .4rem; margin-bottom: 1.1rem; }
.field label { font-size: .85rem; font-weight: 600; }
.optional { color: var(--ink-faint); font-weight: 400; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.field-row .field { margin-bottom: 1.1rem; }

.field input, .field select, .field textarea {
  font: 400 .97rem/1.4 var(--sans);
  color: var(--ink);
  background: var(--paper-raised);
  border: 1px solid var(--hairline);
  border-radius: 8px;
  padding: .7rem .85rem;
  transition: border-color .15s, box-shadow .15s;
  width: 100%;
}
.field textarea { resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
}
.field input.invalid, .field select.invalid {
  border-color: var(--accent-deep);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent-deep) 14%, transparent);
}

.form-note { font-size: .8rem; color: var(--ink-faint); text-align: center; margin-top: .9rem; }

.form-success {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  background: var(--paper);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  text-align: center;
  padding: 2rem;
  animation: fadein .4s var(--ease-out);
}
.form-success[hidden] { display: none; }
.form-success p { max-width: 30ch; color: var(--ink-soft); }
.form-success strong { color: var(--ink); }
@keyframes fadein { from { opacity: 0; transform: translateY(8px); } }

@media (max-width: 900px) {
  .contact-inner { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .field-row { grid-template-columns: 1fr; gap: 0; }
}

/* ---------- FAQ ---------- */

.faq { padding: clamp(5rem, 10vw, 8rem) var(--gutter); }
.faq-inner {
  max-width: 1240px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}
.faq-head h2 { font-size: clamp(2rem, 3.4vw, 2.8rem); }

.faq-list details { border-top: 1px solid var(--hairline); }
.faq-list details:last-child { border-bottom: 1px solid var(--hairline); }
.faq-list summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.35rem 0;
  font-family: var(--serif);
  font-size: 1.2rem;
  font-weight: 500;
  cursor: pointer;
  list-style: none;
  transition: color .15s;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary:hover { color: var(--accent-deep); }

.faq-icon {
  flex: none;
  width: 1.6rem; height: 1.6rem;
  border: 1px solid var(--hairline);
  border-radius: 50%;
  position: relative;
  transition: transform .3s var(--ease-out), background-color .2s;
}
.faq-icon::before, .faq-icon::after {
  content: "";
  position: absolute;
  left: 50%; top: 50%;
  width: .65rem; height: 1.5px;
  background: var(--ink-soft);
  transform: translate(-50%, -50%);
}
.faq-icon::after { transform: translate(-50%, -50%) rotate(90deg); transition: transform .3s var(--ease-out); }
details[open] .faq-icon { transform: rotate(45deg); background: var(--paper-sunken); }

.faq-list details p {
  padding: 0 3.2rem 1.5rem 0;
  color: var(--ink-soft);
  max-width: var(--measure);
}

@media (max-width: 860px) {
  .faq-inner { grid-template-columns: 1fr; }
}

/* ---------- final CTA ---------- */

.final-cta {
  background: var(--ink);
  color: var(--paper);
  padding: clamp(6rem, 12vw, 9rem) var(--gutter);
  text-align: center;
}
.cta-inner { max-width: 760px; margin: 0 auto; display: grid; justify-items: center; gap: 1.5rem; }
.cta-seal { width: 92px; color: var(--accent); }
.final-cta h2 { font-size: clamp(2rem, 4.2vw, 3.4rem); }
.final-cta p { color: color-mix(in srgb, var(--paper) 65%, transparent); }
.final-cta .btn { margin-top: .5rem; }

/* ---------- footer ---------- */

.site-footer { padding: 3rem var(--gutter); background: var(--ink); color: var(--paper); border-top: 1px solid color-mix(in srgb, var(--paper) 14%, transparent); }
.footer-inner { max-width: 1240px; margin: 0 auto; display: grid; gap: .5rem; font-size: .9rem; color: color-mix(in srgb, var(--paper) 62%, transparent); }
.footer-inner .brand { color: var(--paper); margin-bottom: .25rem; }
.footer-fine { font-size: .78rem; }

/* ---------- problem: paper vs digital ---------- */

.problem { padding: clamp(5rem, 10vw, 8rem) var(--gutter); }

.problem-compare {
  max-width: 1240px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: start;
}
.compare-col h3 {
  font-size: 1.45rem;
  margin: 2rem 0 1rem;
}
.compare-points { display: grid; gap: .75rem; }
.compare-points li {
  position: relative;
  padding-left: 1.5rem;
  color: var(--ink-soft);
  font-size: .97rem;
}
.compare-points li::before {
  content: "";
  position: absolute;
  left: 0; top: .55em;
  width: .55rem; height: .55rem;
  border-radius: 2px;
  background: var(--hairline);
}
.compare-digital .compare-points li::before {
  border-radius: 50%;
  background: var(--ok);
}

.compare-arrow {
  align-self: center;
  width: clamp(2.4rem, 4vw, 3rem);
  color: var(--accent);
}
.compare-arrow svg { width: 100%; }

/* paper FVS artifact */
.paper-sheet {
  position: relative;
  background: #FBFAF3;
  border: 1px solid var(--hairline);
  border-radius: 3px;
  box-shadow: 0 20px 40px -20px rgba(31,30,27,.3), 0 2px 6px rgba(31,30,27,.08);
  padding: 1.5rem 1.5rem 1.75rem;
  transform: rotate(-1.6deg);
  max-width: 380px;
  overflow: hidden;
}
.sheet-title {
  font-family: var(--serif);
  font-size: .95rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--ink-soft);
}
.sheet-line {
  height: .5rem;
  border-radius: 3px;
  background: var(--paper-sunken);
  margin-bottom: .65rem;
}
.sheet-line.w-80 { width: 80%; }
.sheet-line.w-70 { width: 70%; }
.sheet-line.w-60 { width: 60%; }
.sheet-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: .45rem;
  margin: 1rem 0;
}
.sheet-grid span {
  height: 1.6rem;
  border: 1px solid var(--hairline);
  border-radius: 3px;
  position: relative;
}
.sheet-grid span.x::after {
  content: "✗";
  position: absolute; inset: 0;
  display: grid; place-items: center;
  font-size: .85rem;
  color: var(--ink-faint);
}
.sheet-grid span.smudge {
  background: linear-gradient(135deg, transparent 40%, rgba(31,30,27,.14) 50%, transparent 62%);
}
.sheet-sign {
  font-size: .8rem;
  color: var(--ink-faint);
  margin-top: .75rem;
}
.sheet-stamp {
  position: absolute;
  right: -0.75rem; top: 34%;
  transform: rotate(9deg);
  font: 700 .8rem/1 var(--sans);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent-deep);
  border: 2.5px solid var(--accent-deep);
  border-radius: 4px;
  padding: .45rem .9rem 0.45rem .7rem;
  opacity: .8;
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='40'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.6'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 .8 .3'/%3E%3C/filter%3E%3Crect width='120' height='40' filter='url(%23n)'/%3E%3C/svg%3E");
  mask-size: cover;
}
.sheet-fold {
  position: absolute;
  right: 0; bottom: 0;
  width: 0; height: 0;
  border-style: solid;
  border-width: 0 0 2.2rem 2.2rem;
  border-color: transparent transparent var(--paper) transparent;
  filter: drop-shadow(-3px -3px 4px rgba(31,30,27,.12));
}

/* phone artifact */
.phone-frame {
  background: var(--ink);
  border-radius: 26px;
  padding: .55rem;
  max-width: 340px;
  box-shadow: 0 24px 48px -20px rgba(31,30,27,.4);
}
.phone-screen {
  background: var(--paper-raised);
  color: var(--ink);
  border-radius: 20px;
  padding: 1.15rem 1.05rem 1.05rem;
  min-height: 15rem;
}
.ps-title { font-weight: 600; font-size: .95rem; }
.ps-sub { font-size: .78rem; color: var(--ink-faint); margin-bottom: .85rem; }
.ps-row {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .5rem 0;
  border-top: 1px solid var(--hairline);
  font-size: .85rem;
}
.ps-row em {
  display: block;
  font-style: normal;
  font-size: .72rem;
  color: var(--accent-deep);
}
.ps-row.nc { flex-wrap: wrap; }
.ps-row.nc em { flex-basis: 100%; padding-left: 1.85rem; margin-top: -.2rem; }
.ps-check {
  flex: none;
  width: 1.25rem; height: 1.25rem;
  border-radius: 50%;
  background: var(--ok);
  position: relative;
}
.ps-check::after {
  content: "";
  position: absolute;
  left: .34rem; top: .38rem;
  width: .5rem; height: .28rem;
  border-left: 2px solid #fff;
  border-bottom: 2px solid #fff;
  transform: rotate(-45deg);
}
.ps-check.bad { background: var(--accent-deep); }
.ps-check.bad::after {
  content: "!";
  border: 0;
  transform: none;
  left: 0; top: 0;
  width: 100%; height: 100%;
  display: grid; place-items: center;
  color: #fff;
  font: 700 .8rem/1.25rem var(--sans);
  text-align: center;
}
.ps-check.wait { background: transparent; border: 2px dashed var(--ink-faint); }
.ps-check.wait::after { display: none; }
.ps-footer { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: .9rem; }
.ps-badge {
  font-size: .68rem;
  font-weight: 600;
  color: var(--ink-soft);
  background: var(--paper-sunken);
  border: 1px solid var(--hairline);
  border-radius: 999px;
  padding: .28rem .7rem;
  white-space: nowrap;
}
.ps-badge.sync { color: var(--ok); background: var(--ok-soft); border-color: color-mix(in srgb, var(--ok) 25%, transparent); }
.ps-badge.nc-badge { color: var(--accent-deep); background: color-mix(in srgb, var(--accent) 10%, transparent); border-color: color-mix(in srgb, var(--accent) 30%, transparent); }

@media (max-width: 900px) {
  .problem-compare { grid-template-columns: 1fr; }
  .compare-arrow { transform: rotate(90deg); justify-self: center; }
  .paper-sheet, .phone-frame { margin-inline: auto; }
  .compare-col h3 { text-align: center; }
}

/* ---------- platform modules ---------- */

.modules {
  padding: clamp(5rem, 10vw, 8rem) var(--gutter);
  background: var(--paper-raised);
  border-block: 1px solid var(--hairline);
}
.module-row {
  max-width: 1080px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
  padding: clamp(2.5rem, 5vw, 4rem) 0;
}
.module-row + .module-row { border-top: 1px solid var(--hairline); }
.module-row:nth-child(odd) .module-visual { order: -1; }

.module-tag {
  display: inline-block;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--accent-deep);
  background: color-mix(in srgb, var(--accent) 9%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 25%, transparent);
  border-radius: 999px;
  padding: .3rem .8rem;
  margin-bottom: 1rem;
}
.module-copy h3 { font-size: clamp(1.6rem, 2.4vw, 2.1rem); margin-bottom: .8rem; }
.module-copy > p { color: var(--ink-soft); max-width: 52ch; }
.module-points { margin-top: 1.25rem; display: grid; gap: .55rem; }
.module-points li {
  position: relative;
  padding-left: 1.4rem;
  font-size: .92rem;
  color: var(--ink-soft);
}
.module-points li::before {
  content: "";
  position: absolute;
  left: 0; top: .5em;
  width: .45rem; height: .45rem;
  border-radius: 50%;
  background: var(--accent);
}

.module-visual { display: flex; justify-content: center; }
.vig {
  width: 100%;
  max-width: 380px;
  background: var(--paper);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: 1.35rem 1.3rem;
  box-shadow: 0 24px 48px -24px rgba(31,30,27,.25);
}
.vig-title { font-weight: 600; font-size: .95rem; }
.vig-sub { font-size: .78rem; color: var(--ink-faint); }
.vig-foot { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1rem; }

/* FVS matrix */
.matrix { margin-top: 1rem; border: 1px solid var(--hairline); border-radius: var(--radius); overflow: hidden; }
.matrix-head, .matrix-line {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  align-items: center;
  padding: .5rem .8rem;
  font-size: .78rem;
}
.matrix-head {
  background: var(--paper-raised);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  font-size: .66rem;
  color: var(--ink-faint);
}
.matrix-line { border-top: 1px solid var(--hairline); color: var(--ink-soft); }
.matrix-line i { justify-self: start; width: 1.05rem; height: 1.05rem; border-radius: 50%; position: relative; }
.m-ok { background: var(--ok); }
.m-ok::after {
  content: "";
  position: absolute;
  left: .28rem; top: .32rem;
  width: .42rem; height: .22rem;
  border-left: 1.8px solid #fff;
  border-bottom: 1.8px solid #fff;
  transform: rotate(-45deg);
}
.m-nc { background: var(--accent-deep); }
.m-nc::after {
  content: "!";
  position: absolute; inset: 0;
  display: grid; place-items: center;
  color: #fff;
  font: 700 .68rem/1 var(--sans);
}
.m-pend { border: 2px dashed var(--hairline); }

/* FVM verdict */
.verdict {
  display: grid;
  gap: .5rem;
  margin-top: 1.1rem;
}
.v-opt {
  font-size: .85rem;
  font-weight: 600;
  color: var(--ink-faint);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: .6rem .9rem;
  position: relative;
}
.v-opt.on {
  color: var(--ok);
  background: var(--ok-soft);
  border-color: color-mix(in srgb, var(--ok) 30%, transparent);
}
.v-opt.on::after {
  content: "";
  position: absolute;
  right: .9rem; top: 50%;
  width: .55rem; height: .3rem;
  border-left: 2.2px solid var(--ok);
  border-bottom: 2.2px solid var(--ok);
  transform: translateY(-70%) rotate(-45deg);
}

/* concrete timeline */
.timeline { margin-top: 1.1rem; display: grid; }
.timeline li {
  position: relative;
  padding: 0 0 1.1rem 1.6rem;
  display: grid;
}
.timeline li:last-child { padding-bottom: 0; }
.timeline li::before {
  content: "";
  position: absolute;
  left: .38rem; top: 1.1rem;
  bottom: -.1rem;
  width: 2px;
  background: var(--hairline);
}
.timeline li:last-child::before { display: none; }
.timeline li::after {
  content: "";
  position: absolute;
  left: 0; top: .28rem;
  width: .85rem; height: .85rem;
  border-radius: 50%;
}
.timeline .t-done::after { background: var(--ok); }
.timeline .t-wait::after { background: transparent; border: 2px dashed var(--ink-faint); }
.timeline span { font-size: .88rem; font-weight: 600; }
.timeline em { font-size: .75rem; font-style: normal; color: var(--ink-faint); }
.t-wait span { color: var(--ink-soft); }

/* diary */
.diary-meta {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  margin: .9rem 0 1rem;
}
.diary-meta span {
  font-size: .74rem;
  font-weight: 600;
  color: var(--ink-soft);
  background: var(--paper-raised);
  border: 1px solid var(--hairline);
  border-radius: 999px;
  padding: .28rem .7rem;
}

/* pdf snapshot vignette */
.vig-pdf { position: relative; background: transparent; border: 0; box-shadow: none; padding: 0; }
.pdf-sheet {
  position: relative;
  z-index: 1;
  background: #FBFAF3;
  border: 1px solid var(--hairline);
  border-radius: 6px;
  padding: 1.4rem 1.3rem 1.6rem;
  box-shadow: 0 24px 48px -24px rgba(31,30,27,.3);
}
.pdf-sheet .sheet-line:first-of-type { margin-top: 1rem; }
.pdf-seal {
  position: absolute;
  right: 1rem; bottom: 1rem;
  font: 700 .68rem/1 var(--sans);
  letter-spacing: .12em;
  color: var(--ok);
  border: 2px solid var(--ok);
  border-radius: 4px;
  padding: .35rem .6rem;
  transform: rotate(-6deg);
  opacity: .85;
}
.pdf-behind {
  position: absolute;
  inset: -.7rem -.7rem auto auto;
  width: 88%; height: 88%;
  background: var(--paper-sunken);
  border: 1px solid var(--hairline);
  border-radius: 6px;
}

/* repo */
.vig-repo { padding: .6rem; }
.repo-row {
  display: flex;
  align-items: center;
  gap: .7rem;
  padding: .7rem .75rem;
  font-size: .85rem;
  font-weight: 500;
}
.repo-row + .repo-row { border-top: 1px solid var(--hairline); }
.repo-row.old { opacity: .5; }
.repo-ic {
  flex: none;
  width: 1.05rem; height: 1.3rem;
  border: 1.6px solid var(--ink-faint);
  border-radius: 2px 5px 2px 2px;
}
.repo-v {
  margin-left: auto;
  font-style: normal;
  font-size: .7rem;
  font-weight: 600;
  color: var(--ok);
  background: var(--ok-soft);
  border-radius: 999px;
  padding: .2rem .6rem;
  white-space: nowrap;
}
.repo-row.old .repo-v { color: var(--ink-faint); background: var(--paper-sunken); }

@media (max-width: 860px) {
  .module-row { grid-template-columns: 1fr; gap: 2rem; }
  .module-row:nth-child(odd) .module-visual { order: 0; }
}

/* ---------- offline-first ---------- */

.offline {
  background: var(--ink);
  color: var(--paper);
  padding: clamp(5rem, 10vw, 8rem) var(--gutter);
}
.offline-inner {
  max-width: 1240px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: center;
}
.eyebrow-light { color: color-mix(in srgb, var(--accent) 75%, var(--paper)); }
.offline-copy h2 { font-size: clamp(2rem, 3.6vw, 3rem); margin-bottom: 1.2rem; }
.offline-copy > p { color: color-mix(in srgb, var(--paper) 72%, transparent); max-width: 54ch; }
.offline-points { margin-top: 2rem; display: grid; gap: 1.3rem; }
.offline-points li {
  display: grid;
  gap: .2rem;
  padding-left: 1.4rem;
  border-left: 2px solid var(--accent);
  color: color-mix(in srgb, var(--paper) 68%, transparent);
  font-size: .95rem;
}
.offline-points strong { color: var(--paper); font-size: 1.05rem; }

.offline-visual { display: flex; justify-content: center; }
.phone-dark { background: #0C0B0A; border: 1px solid color-mix(in srgb, var(--paper) 18%, transparent); }

.signal-bar {
  display: flex;
  align-items: center;
  gap: .55rem;
  padding-bottom: .8rem;
  border-bottom: 1px solid var(--hairline);
  margin-bottom: .9rem;
}
.signal { display: inline-flex; align-items: flex-end; gap: 2.5px; height: 1rem; }
.signal i {
  width: 4px;
  border-radius: 2px;
  background: var(--hairline);
  transition: background-color .4s;
}
.signal i:nth-child(1) { height: 25%; }
.signal i:nth-child(2) { height: 50%; }
.signal i:nth-child(3) { height: 75%; }
.signal i:nth-child(4) { height: 100%; }
.signal.online i { background: var(--ok); }
.signal-label {
  font-size: .74rem;
  font-weight: 600;
  color: var(--ink-faint);
  text-transform: uppercase;
  letter-spacing: .08em;
  transition: color .4s;
}
.signal.online + .signal-label { color: var(--ok); }

.sync-steps { display: grid; gap: .9rem; }
.sync-step {
  display: flex;
  align-items: flex-start;
  gap: .65rem;
  opacity: .18;
  transform: translateY(6px);
  transition: opacity .5s var(--ease-out), transform .5s var(--ease-out);
}
.sync-step.on { opacity: 1; transform: none; }
.ss-body { display: grid; font-size: .82rem; }
.ss-body strong { font-size: .88rem; }
.ss-body em { font-style: normal; color: var(--ink-faint); font-size: .74rem; }

@media (max-width: 900px) {
  .offline-inner { grid-template-columns: 1fr; }
}

/* ---------- methodology ---------- */

.methodology { padding: clamp(5rem, 10vw, 8rem) var(--gutter); }
.method-flow {
  max-width: 1080px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: clamp(1rem, 2.5vw, 2rem);
  align-items: center;
}
.mf-card {
  background: var(--paper-raised);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.6rem;
  height: 100%;
}
.mf-card-accent {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.mf-card-accent p { color: color-mix(in srgb, var(--paper) 70%, transparent); }
.mf-step {
  display: block;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--accent-deep);
  margin-bottom: .6rem;
}
.mf-card-accent .mf-step { color: color-mix(in srgb, var(--accent) 75%, var(--paper)); }
.mf-card h3 { font-size: 1.5rem; margin-bottom: .55rem; }
.mf-card p { font-size: .92rem; color: var(--ink-soft); }
.mf-arrow { width: 2.2rem; color: var(--accent); }
.mf-arrow svg { width: 100%; display: block; }

@media (max-width: 900px) {
  .method-flow { grid-template-columns: 1fr; }
  .mf-arrow { transform: rotate(90deg); justify-self: center; }
}

/* ---------- evidence / bank dossier ---------- */

.evidence {
  background: var(--paper-raised);
  border-block: 1px solid var(--hairline);
  padding: clamp(5rem, 10vw, 8rem) var(--gutter);
}
.evidence-inner {
  max-width: 1240px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: center;
}
.evidence-copy h2 { font-size: clamp(2rem, 3.6vw, 3rem); margin-bottom: 1.2rem; }
.evidence-copy > p { color: var(--ink-soft); max-width: 52ch; }
.evidence-copy .contact-points { margin-top: 2rem; }

.evidence-visual { display: flex; justify-content: center; }
.pdf-doc {
  position: relative;
  width: 100%;
  max-width: 430px;
  background: #FBFAF3;
  border: 1px solid var(--hairline);
  border-radius: 6px;
  padding: 1.5rem 1.5rem 1.75rem;
  box-shadow: 0 32px 64px -32px rgba(31,30,27,.35);
  transform: rotate(-1.2deg);
}
.pdf-head {
  display: flex;
  align-items: center;
  gap: .55rem;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-faint);
  padding-bottom: .9rem;
  border-bottom: 1px solid var(--hairline);
  margin-bottom: 1rem;
}
.pdf-title {
  font-family: var(--serif);
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 1rem;
}
.pdf-table { border: 1px solid var(--hairline); border-radius: var(--radius); overflow: hidden; }
.pdf-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: .55rem .9rem;
  font-size: .85rem;
  color: var(--ink-soft);
}
.pdf-row + .pdf-row { border-top: 1px solid var(--hairline); }
.pdf-row em { font-style: normal; font-weight: 600; color: var(--ink); }
.pdf-foot {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1rem;
  font-size: .68rem;
  color: var(--ink-faint);
}
.pdf-stamp {
  position: absolute;
  right: -1.4rem; bottom: -1.4rem;
  width: 96px;
  color: var(--ok);
  background: color-mix(in srgb, #FBFAF3 88%, transparent);
  border-radius: 50%;
  transform: rotate(8deg);
}

@media (max-width: 900px) {
  .evidence-inner { grid-template-columns: 1fr; }
  .evidence-visual { order: 1; }
}

/* ---------- personas ---------- */

.personas { padding: clamp(5rem, 10vw, 8rem) var(--gutter); }
.personas-grid {
  max-width: 1240px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(1.25rem, 2.5vw, 2rem);
}
.persona-card {
  background: var(--paper-raised);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.persona-photo { margin: 0; }
.persona-photo img {
  width: 100%;
  aspect-ratio: 5 / 2.6;
  object-fit: cover;
}
.persona-body { padding: 1.5rem 1.6rem 1.75rem; }
.persona-body h3 { font-size: 1.35rem; margin: .35rem 0 .55rem; }
.persona-body p { font-size: .93rem; color: var(--ink-soft); }
.persona-body .module-tag { margin-bottom: .4rem; }

@media (max-width: 760px) {
  .personas-grid { grid-template-columns: 1fr; }
}

/* ---------- testimonials + case ---------- */

.testimonials {
  background: var(--paper-raised);
  border-block: 1px solid var(--hairline);
  padding: clamp(5rem, 10vw, 8rem) var(--gutter);
}
.quote-grid {
  max-width: 1240px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.25rem, 2.5vw, 2rem);
}
.quote-card {
  background: var(--paper);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.6rem;
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
}
.quote-card blockquote {
  font-family: var(--serif);
  font-size: 1.08rem;
  line-height: 1.5;
  color: var(--ink);
  flex: 1;
}
.quote-card figcaption {
  display: flex;
  align-items: center;
  gap: .8rem;
}
.quote-card figcaption img {
  width: 2.9rem; height: 2.9rem;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--hairline);
}
.quote-card figcaption span { display: grid; font-size: .85rem; }
.quote-card figcaption em { font-style: normal; color: var(--ink-faint); font-size: .78rem; }

.case-strip {
  max-width: 1240px;
  margin: clamp(1.5rem, 3vw, 2.5rem) auto 0;
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--radius-lg);
  padding: clamp(1.75rem, 4vw, 2.75rem) clamp(1.5rem, 4vw, 3rem);
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.4fr);
  gap: 2rem;
  align-items: center;
}
.case-title {
  font-size: 1.05rem;
  color: color-mix(in srgb, var(--paper) 72%, transparent);
  max-width: 36ch;
}
.case-title strong {
  display: block;
  font-family: var(--serif);
  font-size: clamp(1.4rem, 2.4vw, 1.8rem);
  font-weight: 500;
  color: var(--paper);
  margin-bottom: .35rem;
}
.case-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.case-stats div { border-left: 1px solid color-mix(in srgb, var(--paper) 22%, transparent); padding-left: 1.2rem; }
.case-stats span {
  display: block;
  font-family: var(--serif);
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  line-height: 1.1;
}
.case-stats em { font-style: normal; font-size: .82rem; color: color-mix(in srgb, var(--paper) 65%, transparent); }

@media (max-width: 960px) {
  .quote-grid { grid-template-columns: 1fr; }
  .case-strip { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  .case-stats { grid-template-columns: 1fr; gap: 1rem; }
}

/* ---------- metrics: 4 columns ---------- */

.metrics-inner { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 980px) {
  .metrics-inner { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- footer (expanded) ---------- */

.footer-inner {
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr) minmax(0, 1fr);
  gap: 2.5rem;
  align-items: start;
}
.footer-brand { display: grid; gap: .5rem; max-width: 38ch; }
.footer-note { font-size: .82rem; color: color-mix(in srgb, var(--paper) 45%, transparent); }
.footer-nav { display: grid; gap: .55rem; justify-items: start; }
.footer-head {
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--paper) 45%, transparent);
  margin-bottom: .3rem;
}
.footer-nav a {
  font-size: .9rem;
  color: color-mix(in srgb, var(--paper) 70%, transparent);
  text-decoration: none;
  transition: color .15s;
}
.footer-nav a:hover { color: var(--paper); }
.site-footer .footer-fine {
  max-width: 1240px;
  margin: 2.5rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid color-mix(in srgb, var(--paper) 14%, transparent);
  color: color-mix(in srgb, var(--paper) 45%, transparent);
}

@media (max-width: 760px) {
  .footer-inner { grid-template-columns: 1fr; }
}

/* ---------- reveals & counters ---------- */

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .8s var(--ease-out), transform .8s var(--ease-out);
}
.reveal.in { opacity: 1; transform: none; }

/* ---------- reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-scrub { height: auto; }
  .hero-sticky { position: static; height: 100vh; }
  .check-tip { opacity: 1; transform: none; transition: none; }
  .scroll-hint { display: none; }
  .features-track { height: auto; }
  .features-sticky { position: static; }
  .feature-block { opacity: 1; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .sync-step { opacity: 1; transform: none; transition: none; }
  .signal i, .signal-label { transition: none; }
  * { animation: none !important; }
}