:root {
  --ink: #2E2E2E;
  --ink-2: #1E2224;
  --muted: #6E6E6E;
  --bg: #F4F4F4;
  --paper: #FFFFFF;
  --line: #CFCFCF;
  --line-soft: #E2E2E2;
  --steel: #4F788C;
  --steel-2: #7F9FAE;
  --mist: #B9CDD3;
  --mist-2: #E4ECEF;
  --copper: #D97C1F;
  --dark: #1C2124;
  --dark-2: #252B2F;

  --f-head: "Inter Tight", system-ui, sans-serif;
  --f-body: "Inter", system-ui, sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, monospace;

  --wrap: 1240px;
  --gutter: clamp(20px, 4vw, 48px);
  --sec: clamp(88px, 12vw, 160px);
  --ease: cubic-bezier(.2, .7, .1, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 17px/1.6 var(--f-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { font-family: var(--f-head); font-weight: 500; margin: 0; letter-spacing: -.02em; }
p { margin: 0; }
em { font-style: normal; color: var(--steel); }
::selection { background: var(--mist); }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }

.tag, .mono {
  font-family: var(--f-mono);
  font-size: 12.5px;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.tag { color: var(--steel); margin-bottom: 22px; }
.muted { color: var(--muted); }
.copper { color: var(--copper); }

.h2 {
  font-size: clamp(32px, 4.4vw, 56px);
  line-height: 1.08;
  max-width: 20ch;
}
.display {
  font-size: clamp(38px, 5.6vw, 76px);
  line-height: 1.04;
  font-weight: 400;
  letter-spacing: -.03em;
}
.lead { font-size: clamp(18px, 1.6vw, 21px); color: var(--muted); max-width: 52ch; margin-top: 24px; }
.lead strong { color: var(--ink); font-weight: 500; }
.fine { font-size: 12.5px; line-height: 1.55; color: var(--muted); max-width: 110ch; margin-top: 36px; }
.num { font-family: var(--f-mono); font-size: 13px; color: var(--copper); letter-spacing: .05em; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  height: 52px; padding: 0 26px; border-radius: 999px;
  font: 500 15px var(--f-body);
  transition: background .3s, color .3s, border-color .3s, transform .3s var(--ease);
}
.btn span { transition: transform .3s var(--ease); }
.btn:hover span { transform: translateX(4px); }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: var(--steel); }
.btn-ghost { border: 1px solid var(--ink); }
.btn-ghost:hover { background: var(--ink); color: #fff; }

/* ---------- Nav ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  transition: background .4s, box-shadow .4s, transform .4s var(--ease);
}
.nav-in { display: flex; align-items: center; justify-content: space-between; height: 84px; transition: height .4s var(--ease); }
.nav.scrolled { background: rgba(244, 244, 244, .82); backdrop-filter: saturate(1.4) blur(14px); -webkit-backdrop-filter: saturate(1.4) blur(14px); box-shadow: 0 1px 0 var(--line-soft); }
.nav.scrolled .nav-in { height: 68px; }
.nav.hide { transform: translateY(-100%); }
.nav-logo { position: relative; display: block; }
.nav-logo img { height: 36px; width: auto; transition: opacity .3s; }
.nav-logo .logo-light { position: absolute; inset: 0; opacity: 0; }
.nav.on-dark:not(.scrolled) .logo-dark { opacity: 0; }
.nav.on-dark:not(.scrolled) .logo-light { opacity: 1; }
.nav.on-dark:not(.scrolled) .nav-links a { color: #fff; }
.nav-links {
  display: flex; align-items: center; gap: 30px;
  padding: 6px 6px 6px 26px; border-radius: 999px;
  background: rgba(244, 244, 244, .72); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  transition: background .4s;
}
.nav.scrolled .nav-links { background: transparent; backdrop-filter: none; -webkit-backdrop-filter: none; }
.nav.on-dark:not(.scrolled) .nav-links { background: rgba(255, 255, 255, .08); }
.nav-links a { font-size: 14.5px; position: relative; transition: color .3s; }
.nav-links a:not(.nav-cta)::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -6px; height: 1px;
  background: currentColor; transform: scaleX(0); transform-origin: right; transition: transform .4s var(--ease);
}
.nav-links a:not(.nav-cta):hover::after { transform: scaleX(1); transform-origin: left; }
.nav-cta { padding: 10px 20px; border-radius: 999px; background: var(--ink); color: #fff !important; transition: background .3s; }
.nav-cta:hover { background: var(--steel); }
.nav-toggle { display: none; width: 44px; height: 44px; border: 0; background: none; cursor: pointer; position: relative; }
.nav-toggle span { position: absolute; left: 11px; right: 11px; height: 1.5px; background: var(--ink); transition: transform .3s var(--ease), top .3s; }
.nav-toggle span:first-child { top: 18px; }
.nav-toggle span:last-child { top: 25px; }
.nav-toggle[aria-expanded="true"] span:first-child { top: 21.5px; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:last-child { top: 21.5px; transform: rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 100svh; display: flex; align-items: center;
  overflow: hidden; padding: 120px 0 90px;
}
.hero-media {
  position: absolute; top: 0; right: 0; bottom: 0; width: 62%;
  -webkit-mask-image: linear-gradient(to right, transparent 0%, #000 38%);
  mask-image: linear-gradient(to right, transparent 0%, #000 38%);
}
.hero-media img {
  width: 100%; height: 115%; object-fit: cover; object-position: 30% 40%;
  transform: scale(1.12); opacity: 0;
  animation: heroIn 2.4s var(--ease) .1s forwards;
  will-change: transform;
}
@keyframes heroIn { to { transform: scale(1); opacity: 1; } }
.hero-in { position: relative; width: 100%; }
.hero-title { font-size: clamp(44px, 7.4vw, 108px); line-height: 1; font-weight: 400; letter-spacing: -.035em; max-width: 12ch; }
.hero-title .line { display: block; overflow: hidden; padding-bottom: .06em; }
.hero-title .line > span { display: inline-block; transform: translateY(105%); animation: lineUp 1.2s var(--ease) forwards; }
.hero-title .line:nth-child(2) > span { animation-delay: .12s; }
.hero-title .line:nth-child(3) > span { animation-delay: .24s; }
@keyframes lineUp { to { transform: none; } }
.hero-sub { font-size: clamp(18px, 1.7vw, 22px); color: var(--muted); max-width: 34ch; margin-top: 30px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 44px; }
.hero .tag { color: var(--ink); }
.scroll-cue { position: absolute; left: 50%; bottom: 28px; width: 1px; height: 56px; background: var(--line); overflow: hidden; }
.scroll-cue span { position: absolute; left: 0; top: -40%; width: 1px; height: 40%; background: var(--ink); animation: cue 2.2s var(--ease) infinite; }
@keyframes cue { to { top: 100%; } }

/* ---------- Sections ---------- */
.section { padding: var(--sec) 0; }
.section.alt { background: var(--paper); }
.dark { background: var(--dark); color: #EDEFF0; }
.dark .tag { color: var(--mist); }
.dark em { color: var(--mist); }
.dark .lead { color: #A9B2B7; }
.dark .fine { color: #8D979C; }

/* Pillars */
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin-top: 72px; border-top: 1px solid var(--line); }
.pillar { padding: 36px 36px 8px 0; position: relative; }
.pillar + .pillar { padding-left: 36px; border-left: 1px solid var(--line); }
.pillar h3 { font-size: 26px; margin: 18px 0 14px; }
.pillar p { color: var(--muted); max-width: 34ch; }
.ticker {
  display: inline-flex; gap: 10px; margin-top: 22px; padding: 8px 14px; border-radius: 999px;
  background: var(--mist-2); color: var(--steel); font: 500 13px var(--f-mono); letter-spacing: .06em;
}
.ticker b { color: var(--ink); font-weight: 500; }

/* Ambition */
.ambition { padding: clamp(100px, 14vw, 190px) 0; overflow: hidden; }
.ambition-in { display: grid; grid-template-columns: auto 1fr; gap: clamp(40px, 7vw, 110px); align-items: center; }
.statement { font-family: var(--f-head); font-size: clamp(34px, 5vw, 68px); line-height: 1.08; letter-spacing: -.03em; max-width: 17ch; }
.iso-anim { position: relative; width: clamp(110px, 14vw, 190px); aspect-ratio: 572 / 729; }
.iso-half { position: absolute; inset: 0; background: url(assets/iso-blanco.png) center / contain no-repeat; transition: transform 1.6s var(--ease), opacity 1.6s var(--ease); }
.iso-half.top { clip-path: inset(0 0 50% 0); transform: translate(-40%, -30%); opacity: 0; }
.iso-half.bottom { clip-path: inset(50% 0 0 0); transform: translate(40%, 30%); opacity: 0; }
.iso-anim.in .iso-half { transform: none; opacity: 1; }

/* Challenges */
.challenges { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 64px; }
.challenge {
  background: var(--paper); border-radius: 20px; padding: 36px 32px 40px;
  transition: transform .5s var(--ease), box-shadow .5s var(--ease);
}
.challenge:hover { transform: translateY(-6px); box-shadow: 0 24px 50px -24px rgba(30, 40, 45, .25); }
.challenge .mono { color: var(--copper); }
.challenge h3 { font-size: 25px; line-height: 1.15; margin: 56px 0 10px; }
.challenge .kicker { font-family: var(--f-mono); font-size: 12.5px; text-transform: uppercase; letter-spacing: .06em; color: var(--steel); margin-bottom: 14px; }
.challenge p:last-child { color: var(--muted); }

/* Selling options */
.split { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(40px, 6vw, 96px); align-items: start; }
.split-head { position: sticky; top: 120px; }
.options { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 20px; overflow: hidden; }
.option { background: var(--paper); padding: 34px 30px 38px; transition: background .4s; }
.option:hover { background: var(--bg); }
.option h3 { font-size: 22px; margin: 26px 0 10px; }
.option p { color: var(--muted); font-size: 16px; }

/* Proposal */
.proposal { background: #EAEAEA; padding: var(--sec) 0; overflow: hidden; }
.proposal-in { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(40px, 6vw, 96px); align-items: center; }
.proposal-media { border-radius: 24px; overflow: hidden; aspect-ratio: 4 / 5; }
.proposal-media img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.15); transition: transform 2s var(--ease); }
.reveal-img { clip-path: inset(12% 12% 12% 12% round 24px); transition: clip-path 1.6s var(--ease); }
.reveal-img.in { clip-path: inset(0 0 0 0 round 24px); }
.reveal-img.in img { transform: scale(1); }
.proposal .lead { font-size: clamp(19px, 1.8vw, 23px); }

/* Compare */
.compare { margin-top: 64px; border-top: 1px solid var(--ink); }
.c-row { display: grid; grid-template-columns: 1.1fr 2fr 2fr; gap: 32px; padding: 28px 0; border-bottom: 1px solid var(--line); align-items: baseline; }
.c-row > span { font-size: 17px; color: var(--muted); }
.c-row .z { color: var(--ink); font-weight: 500; position: relative; }
.c-head > span { font: 500 12.5px var(--f-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.c-head .z { color: var(--steel) !important; }
.c-label { font: 500 12.5px var(--f-mono) !important; letter-spacing: .08em; text-transform: uppercase; color: var(--ink) !important; }
.compare .c-row:not(.c-head) .z::before {
  content: ""; position: absolute; left: -18px; top: .55em; width: 7px; height: 7px; border-radius: 50%; background: var(--copper);
}

/* Keep / add */
.keepadd { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 64px; }
.ka-col { background: var(--bg); border-radius: 20px; padding: 36px 36px 20px; }
.ka-col.add { background: var(--dark); color: #EDEFF0; }
.ka-title { display: flex; align-items: center; gap: 12px; font: 500 13px var(--f-mono); letter-spacing: .08em; text-transform: uppercase; margin-bottom: 18px; }
.dot { width: 9px; height: 9px; border-radius: 50%; }
.dot.steel { background: var(--steel); }
.copper-bg { background: var(--copper); }
.ka-col ol { list-style: none; margin: 0; padding: 0; }
.ka-col li { display: flex; gap: 22px; align-items: baseline; padding: 20px 0; border-top: 1px solid var(--line); font: 400 clamp(18px, 1.7vw, 21px)/1.35 var(--f-head); }
.ka-col.add li { border-top-color: #3A4246; }
.ka-col li span { font: 400 12.5px var(--f-mono); color: var(--copper); }

/* Model */
.model { padding: var(--sec) 0; }
.cycle { position: relative; display: grid; grid-template-columns: 1fr 40px 1fr 40px 1fr; align-items: stretch; margin-top: 72px; padding-bottom: 70px; }
.step { background: var(--dark-2); border: 1px solid #343C41; border-radius: 20px; padding: 32px 30px 36px; }
.step-top { display: flex; justify-content: space-between; align-items: center; }
.step-top .mono { color: var(--mist); }
.step-n { font: 300 44px/1 var(--f-head); color: var(--copper); }
.step h3 { font-size: 26px; margin: 46px 0 12px; }
.step p { color: #A9B2B7; }
.arrow { position: relative; align-self: center; height: 1px; background: #4A5459; }
.arrow::after { content: ""; position: absolute; right: 0; top: -4px; width: 8px; height: 8px; border-top: 1px solid #8D979C; border-right: 1px solid #8D979C; transform: rotate(45deg); }
.loop { position: absolute; left: 0; right: 0; bottom: 0; width: 100%; height: 60px; color: var(--copper); opacity: .7; }
.loop path { stroke-dashoffset: 0; animation: dash 30s linear infinite; }
@keyframes dash { to { stroke-dashoffset: -600; } }
.public { margin-top: 90px; padding-top: 48px; border-top: 1px solid #343C41; }
.public-title { color: var(--mist); margin-bottom: 34px; }
.public-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 36px; }
.pub h3 { font-size: 22px; margin-bottom: 10px; }
.pub p { color: #A9B2B7; }

/* Seek */
.seek { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(40px, 6vw, 96px); align-items: start; }
.seek-stat { position: sticky; top: 120px; }
.big { font: 300 clamp(110px, 16vw, 220px)/.9 var(--f-head); letter-spacing: -.05em; margin: 18px 0 24px; display: flex; align-items: flex-start; }
.big .gt { font-size: .45em; margin-top: .2em; color: var(--steel); }
.big .pct { font-size: .45em; margin-top: .2em; color: var(--copper); }
.seek-note { color: var(--muted); max-width: 30ch; }
.criteria { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.criteria li { display: grid; grid-template-columns: 64px 1fr; padding: 30px 0; border-bottom: 1px solid var(--line); transition: padding .4s var(--ease); }
.criteria li:hover { padding-left: 10px; }
.criteria p { font: 400 clamp(20px, 2vw, 26px)/1.3 var(--f-head); letter-spacing: -.01em; }

/* Benchmarks */
.bench { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; margin-top: 64px; }
.b-card { background: var(--bg); border-radius: 18px; padding: 26px 22px 24px; display: flex; flex-direction: column; transition: transform .5s var(--ease), background .4s; }
.b-card:hover { transform: translateY(-6px); }
.b-card.hl { background: var(--mist-2); }
.b-card header { min-height: 82px; }
.b-card h3 { font-size: 20px; line-height: 1.15; }
.b-card header .mono { display: block; margin-top: 8px; font-size: 11px; color: var(--muted); letter-spacing: .05em; }
.b-ret { font: 300 54px/1 var(--f-head); letter-spacing: -.04em; color: var(--steel); margin-top: 10px; }
.b-ret sup { font-size: .4em; color: var(--copper); }
.b-lbl { font: 400 11px var(--f-mono); text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin-top: 8px; }
.b-card dl { margin: 26px 0 0; padding-top: 18px; border-top: 1px solid var(--line); }
.b-card dt { font: 400 10.5px var(--f-mono); text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.b-card dd { margin: 4px 0 16px; font-size: 15px; line-height: 1.4; }
.b-card dd:last-child { margin-bottom: 0; }

/* Team */
.team { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 64px; }
.person { background: var(--paper); border-radius: 20px; padding: 34px 32px 36px; }
.avatar { width: 112px; height: 112px; border-radius: 50%; overflow: hidden; background: var(--mist-2); }
.avatar img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) contrast(1.05); transition: filter .6s var(--ease), transform .6s var(--ease); }
.person:hover .avatar img { filter: grayscale(0); transform: scale(1.05); }
.person .role { color: var(--copper); margin-top: 30px; }
.person h3 { font-size: 26px; margin: 8px 0 20px; }
.person ul { list-style: none; margin: 0; padding: 0; }
.person li { position: relative; padding: 11px 0 11px 20px; border-top: 1px solid var(--line-soft); color: var(--muted); font-size: 15.5px; line-height: 1.45; }
.person li::before { content: ""; position: absolute; left: 0; top: 19px; width: 6px; height: 6px; border-radius: 50%; background: var(--mist); }

/* Process */
.process { list-style: none; margin: 72px 0 0; padding: 0; display: grid; grid-template-columns: repeat(5, 1fr); position: relative; }
.process::before { content: ""; position: absolute; left: 0; right: 0; top: 7px; height: 1px; background: var(--line); }
.process::after { content: ""; position: absolute; left: 0; top: 7px; height: 1px; width: 100%; background: var(--steel); transform: scaleX(0); transform-origin: left; transition: transform 2.2s var(--ease) .2s; }
.process.in::after { transform: scaleX(1); }
.process li { position: relative; padding-right: 24px; }
.p-dot { display: block; width: 15px; height: 15px; border-radius: 50%; background: var(--paper); border: 1px solid var(--steel); position: relative; z-index: 1; }
.process li:last-child .p-dot { background: var(--copper); border-color: var(--copper); }
.process .num { display: block; margin: 30px 0 10px; }
.process p { font: 400 clamp(19px, 1.7vw, 22px)/1.25 var(--f-head); }

/* Contact */
.contact { position: relative; overflow: hidden; padding: clamp(120px, 16vw, 220px) 0; }
.contact-bg { position: absolute; inset: 0; opacity: .32; }
.contact-bg img { width: 100%; height: 100%; object-fit: cover; object-position: 70% 50%; }
.contact-bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, var(--dark) 25%, rgba(28, 33, 36, .55)); }
.contact-in { position: relative; }
.contact .display { max-width: 14ch; }
.mail {
  display: inline-flex; align-items: center; gap: 16px; margin-top: 52px;
  font: 300 clamp(30px, 4.4vw, 60px)/1.1 var(--f-head); letter-spacing: -.03em;
  border-bottom: 1px solid #5A6468; padding-bottom: 10px; transition: color .3s, border-color .3s;
}
.mail span { font-size: .6em; color: var(--copper); transition: transform .4s var(--ease); }
.mail:hover { color: var(--mist); border-color: var(--mist); }
.mail:hover span { transform: translate(4px, -4px); }

/* Footer */
.footer { background: #15191B; color: #A9B2B7; padding: 72px 0 48px; }
.f-logo { height: 40px; width: auto; }
.f-cols { display: flex; flex-wrap: wrap; gap: 14px 44px; margin-top: 40px; font-size: 15px; }
.f-cols .mono { color: var(--mist); }
.f-cols a:hover { color: #fff; }
.f-legal { margin-top: 44px; padding-top: 28px; border-top: 1px solid #2A3135; }
.footer .fine { color: #727C81; }
.footer .fine + .fine { margin-top: 14px; }

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 1s var(--ease) var(--d, 0s), transform 1s var(--ease) var(--d, 0s); }
.reveal.in { opacity: 1; transform: none; }
.hero .reveal { animation: fadeUp 1.1s var(--ease) var(--d, .1s) forwards; transition: none; }
@keyframes fadeUp { to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  html { scroll-behavior: auto; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .bench { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 900px) {
  .nav-toggle { display: block; border-radius: 50%; background: rgba(244, 244, 244, .8); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
  .nav.scrolled .nav-toggle, .nav.open .nav-toggle { background: none; }
  .nav-links {
    position: fixed; inset: 0; background: var(--bg); flex-direction: column; justify-content: center; gap: 28px;
    opacity: 0; pointer-events: none; transition: opacity .4s var(--ease);
  }
  .nav-links a:not(.nav-cta) { font: 400 30px var(--f-head); color: var(--ink) !important; }
  .nav-links .nav-cta { font-size: 18px; padding: 14px 28px; margin-top: 10px; }
  .nav .nav-links, .nav.scrolled .nav-links, .nav.on-dark:not(.scrolled) .nav-links {
    background: var(--bg); padding: 0; border-radius: 0; backdrop-filter: none; -webkit-backdrop-filter: none;
  }
  .nav.open { backdrop-filter: none !important; -webkit-backdrop-filter: none !important; transform: none !important; }
  .nav.open .nav-links { opacity: 1; pointer-events: auto; }
  .nav.on-dark:not(.scrolled):not(.open) .nav-toggle span { background: #fff; }
  .nav.open .logo-dark { opacity: 1 !important; }
  .nav.open .logo-light { opacity: 0 !important; }
  .nav-logo, .nav-toggle { z-index: 2; }

  .hero { align-items: flex-end; }
  .hero-media { width: 100%; height: 58%; -webkit-mask-image: linear-gradient(to bottom, #000 40%, transparent 100%); mask-image: linear-gradient(to bottom, #000 40%, transparent 100%); }
  .hero-in { padding-top: 34vh; }
  .scroll-cue { display: none; }

  .pillars, .challenges, .team, .public-grid { grid-template-columns: 1fr; }
  .pillar, .pillar + .pillar { padding: 30px 0; border-left: 0; border-bottom: 1px solid var(--line); }
  .split, .proposal-in, .seek, .keepadd { grid-template-columns: 1fr; }
  .split-head, .seek-stat { position: static; }
  .proposal-media { max-width: 420px; }
  .ambition-in { grid-template-columns: 1fr; }
  .cycle { grid-template-columns: 1fr; gap: 0; padding-bottom: 0; }
  .arrow { width: 1px; height: 36px; justify-self: center; }
  .arrow::after { right: -4px; top: auto; bottom: 0; transform: rotate(135deg); }
  .loop { display: none; }
  .c-row { grid-template-columns: 1fr 1fr; gap: 10px 24px; }
  .c-row .c-label, .c-head > span:first-child { grid-column: 1 / -1; }
  .c-head > span:first-child { display: none; }
  .compare .c-row:not(.c-head) .z::before { display: none; }
  .process { grid-template-columns: 1fr; gap: 0; }
  .process::before, .process::after { left: 7px; right: auto; top: 0; bottom: 0; width: 1px; height: auto; }
  .process::after { transform: scaleY(0); transform-origin: top; }
  .process.in::after { transform: scaleY(1); }
  .process li { display: grid; grid-template-columns: 15px 44px 1fr; gap: 0 18px; align-items: center; padding: 18px 0; }
  .process .num { margin: 0; }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  .options { grid-template-columns: 1fr; }
  .bench { grid-template-columns: 1fr; }
  .b-card header { min-height: 0; margin-bottom: 8px; }
  .ka-col { padding: 28px 24px 12px; }
  .c-row > span { font-size: 15.5px; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .mail { font-size: 28px; }
  .criteria li { grid-template-columns: 44px 1fr; }
}