/* ============================================================
   COMPASSBERG — Summit design system · v2 "spacious"
   Void black canvas · Compass Brass action · Verdant highlight
   One idea per viewport · ~450-word copy budget · 120px+ rhythm
   ============================================================ */

/* Self-hosted Archivo variable font (privacy + SA-network resilience) */
@font-face {
  font-family: "Archivo";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("../fonts/archivo-var-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Archivo";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("../fonts/archivo-var-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

:root {
  /* Color tokens */
  --void: #000000;
  --bone: #ffffff;
  --ash: #9a9a9a;
  --mist: #bdbdbd;
  --coal: #161616;
  --hairline: #262626;
  --brass: #c2963c;
  --brass-bright: #d9b05a;
  --verdant: #1a8f77;
  --verdant-deep: #0e5f4c;
  --ember: #c0622b;

  /* Typography */
  --font: "Archivo", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --w-light: 275;
  --w-reg: 420;
  --w-med: 520;
  --w-semi: 620;

  /* Fluid type scale */
  --t-display: clamp(2.6rem, 1rem + 7vw, 7.2rem);
  --t-title: clamp(1.9rem, 1.1rem + 3.2vw, 3.6rem);
  --t-state: clamp(1.7rem, 1.15rem + 2.8vw, 3.4rem);
  --t-h3: clamp(1.12rem, 1rem + .6vw, 1.45rem);
  --t-body: clamp(1.02rem, .95rem + .3vw, 1.18rem);
  --t-small: .92rem;
  --t-label: .8rem;

  /* Motion vocabulary (four curves, locked) */
  --e-wipe: cubic-bezier(.76, 0, .24, 1);
  --e-out: cubic-bezier(.19, 1, .22, 1);
  --e-fill: cubic-bezier(.215, .61, .355, 1);
  --e-fade: cubic-bezier(.5, 1, .89, 1);

  /* Layout — spacious rhythm */
  --max: 76rem;
  --pad: clamp(1.25rem, 4vw, 3rem);
  --sect: clamp(8rem, 18vh, 13rem);
  --radius: 24px;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 5.5rem; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--void);
  color: var(--bone);
  font-family: var(--font);
  font-weight: var(--w-reg);
  font-size: var(--t-body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Film grain — pure SVG turbulence, no asset */
body::after {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 2000;
  opacity: .05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(%23n)' opacity='.6'/%3E%3C/svg%3E");
}

::selection { background: var(--brass); color: var(--void); }

h1, h2, h3, h4, p, ul, ol, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
em { font-style: normal; color: var(--brass-bright); }
cite { font-style: normal; }
img, svg { max-width: 100%; display: block; }

.accent { color: var(--brass-bright); }
.sr-only {
  position: absolute; width: 1px; height: 1px;
  clip-path: inset(50%); overflow: hidden; white-space: nowrap;
}

:focus-visible {
  outline: 2px solid var(--brass);
  outline-offset: 3px;
  border-radius: 4px;
}
.skip-link {
  position: fixed; top: -4rem; left: 1rem;
  background: var(--brass); color: var(--void);
  padding: .6rem 1.1rem; border-radius: 99px;
  font-weight: var(--w-semi); font-size: var(--t-small);
  z-index: 3000; transition: top .25s var(--e-out);
}
.skip-link:focus-visible { top: 1rem; }

/* ---------- Buttons & links ---------- */
.btn {
  position: relative;
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  min-height: 48px;
  padding: .85rem 1.6rem;
  border-radius: 99px;
  font-size: var(--t-label);
  font-weight: var(--w-semi);
  letter-spacing: .06em;
  text-transform: uppercase;
  cursor: pointer;
  isolation: isolate;
  overflow: hidden;
  transition: color .5s .3s var(--e-fade), border-color .4s var(--e-fade), transform .3s var(--e-out);
  touch-action: manipulation;
}
.btn:active { transform: scale(.97); }
.btn::before {
  content: "";
  position: absolute; inset: 0; z-index: -1;
  background: var(--verdant-deep);
  clip-path: ellipse(120% 180% at 50% 310%);
  transition: clip-path 1.1s var(--e-fill);
}
.btn:hover::before, .btn:focus-visible::before { clip-path: ellipse(120% 180% at 50% 60%); }
.btn--fill { background: var(--brass); color: var(--void); }
.btn--fill:hover, .btn--fill:focus-visible { color: var(--bone); }
.btn--ghost { border: 1px solid var(--hairline); color: var(--bone); background: transparent; }
.btn--ghost:hover, .btn--ghost:focus-visible { border-color: var(--verdant-deep); }
.btn--sm { min-height: 44px; padding: .6rem 1.15rem; }
.btn--lg { min-height: 56px; padding: 1rem 2.2rem; font-size: .88rem; }

/* Arrow links — the S-tier text-link motif */
.arrow-link {
  display: inline-flex; align-items: center; gap: .3rem;
  font-size: var(--t-label); font-weight: var(--w-semi);
  letter-spacing: .07em; text-transform: uppercase;
  color: var(--brass);
  position: relative;
  padding: .7rem 0 .45rem;
  transition: color .5s var(--e-fade);
}
.arrow-link::after {
  content: ""; position: absolute; left: 0; bottom: .2rem; height: 1px; width: 0;
  background: var(--brass); transition: width .6s var(--e-out);
}
.arrow-link:hover, .arrow-link:focus-visible { color: var(--brass-bright); }
.arrow-link:hover::after, .arrow-link:focus-visible::after { width: 100%; }

/* ---------- Header ---------- */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
}
.header::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,.75), rgba(0,0,0,.35));
  backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  opacity: 0; transition: opacity .5s var(--e-fade);
  pointer-events: none;
}
.header.is-scrolled::before { opacity: 1; }
.header__inner {
  max-width: var(--max); margin: 0 auto;
  padding: .9rem var(--pad);
  display: flex; align-items: center; gap: 1.5rem;
  position: relative;
}
.header__logo { display: inline-flex; align-items: center; gap: .55rem; }
.header__wordmark { font-weight: var(--w-med); letter-spacing: .01em; font-size: 1.05rem; }
.nav { margin-left: auto; }
.nav__list { display: flex; gap: 1.6rem; }
.nav__link {
  font-size: var(--t-label); font-weight: var(--w-semi);
  letter-spacing: .07em; text-transform: uppercase;
  color: var(--ash);
  transition: color .5s var(--e-fade);
  padding: .75rem 0;
}
.nav__link:hover, .nav__link:focus-visible, .nav__link.is-active { color: var(--bone); }
.header__actions { display: flex; gap: 1rem; align-items: center; }
.header__wa {
  display: inline-flex; align-items: center; gap: .45rem;
  font-size: var(--t-label); font-weight: var(--w-semi);
  letter-spacing: .07em; text-transform: uppercase;
  color: var(--ash);
  transition: color .5s var(--e-fade);
  padding: .75rem .2rem;
}
.header__wa:hover, .header__wa:focus-visible { color: var(--bone); }

.nav-toggle {
  display: none;
  width: 46px; height: 46px;
  border: 1px solid var(--hairline); border-radius: 50%;
  background: transparent; cursor: pointer;
  flex-direction: column; align-items: center; justify-content: center; gap: 5px;
  margin-left: auto;
}
.nav-toggle span { width: 17px; height: 1.6px; background: var(--bone); transition: transform .35s var(--e-out), opacity .3s; }
.nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.3px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.3px) rotate(-45deg); }

.mobile-nav {
  display: none;
  position: fixed; inset: 0; z-index: -1;
  background: rgba(0,0,0,.92);
  backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
  padding: 6.5rem var(--pad) 3rem;
  opacity: 0; pointer-events: none;
  visibility: hidden;
  transition: opacity .45s var(--e-fade), visibility 0s .45s;
}
.header.nav-open .mobile-nav { visibility: visible; transition: opacity .45s var(--e-fade), visibility 0s 0s; }
.mobile-nav ul { display: grid; gap: .7rem; }
/* display:block + padding turns 29.5px inline targets into ~44px blocks.
   Reduced gap absorbs the added height so the panel fits a 667px phone. */
.mobile-nav a:not(.btn) { display: block; padding: .5rem 0; font-size: 1.7rem; font-weight: var(--w-reg); letter-spacing: -.01em; }
.header.nav-open .mobile-nav { opacity: 1; pointer-events: auto; z-index: -1; }

/* ---------- Sections ---------- */
.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: var(--sect) var(--pad);
  position: relative;
}
.section-head { max-width: 46rem; margin-bottom: clamp(3rem, 8vh, 5.5rem); }
.eyebrow {
  font-size: var(--t-label); font-weight: var(--w-semi);
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--brass);
  opacity: .9;
  margin-bottom: 1.1rem;
}
.section-title {
  font-size: var(--t-title);
  font-weight: var(--w-reg);
  line-height: 1.06;
  letter-spacing: -.03em;
}

/* ---------- Hero ---------- */
.hero { padding-top: clamp(7rem, 16vh, 11rem); min-height: 96svh; display: flex; flex-direction: column; justify-content: center; }
.hero__inner {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .9fr);
  grid-template-rows: auto auto auto auto auto;
  column-gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
.hero__copy { display: contents; }
.hero__copy .eyebrow, .hero__title { grid-column: 1 / -1; }
.hero__sub, .hero__ctas, .hero__assurance { grid-column: 1; }
.hero__visual { grid-column: 2; grid-row: 3 / span 3; align-self: stretch; position: relative; min-height: 300px; }
.hero__title {
  font-size: var(--t-display);
  font-weight: var(--w-reg);
  line-height: .96;
  letter-spacing: -.04em;
  margin: 0 0 1.8rem;
}
.hero__title .line { display: block; }
.hero__sub { color: var(--mist); max-width: 30rem; font-weight: var(--w-light); }
.hero__ctas { display: flex; flex-wrap: wrap; gap: 1.4rem; align-items: center; margin-top: 2.2rem; }
.hero__assurance { margin-top: 1.5rem; font-size: var(--t-small); color: var(--ash); }
.hero__map { position: relative; width: 100%; }
.hero__map svg { width: 100%; height: auto; display: block; }
/* Portrait map is phones-only; the landscape one is the default. Both selectors
   must outrank `.hero__map svg` above, hence the parent in the selector. */
.hero__map .map-mobile { display: none; }
/* Travelling dashes stand in for the desktop particle canvas. One dash cycle is
   4+10=14, so the offset must move exactly -14 for a seamless loop. The global
   prefers-reduced-motion block neutralises this automatically. */
.map-mobile .flow path { stroke-dasharray: 4 10; animation: map-flow 2.2s linear infinite; }
@keyframes map-flow { to { stroke-dashoffset: -14; } }
.hero__map-caption {
  margin-top: .4rem;
  text-align: center;
  font-size: var(--t-label);
  font-weight: var(--w-semi);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ash);
}
.hero__map-caption .accent { color: var(--brass); }
#flow-canvas { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.map-pulse { transform-origin: 395px 210px; animation: mapPulse 2.6s var(--e-fade) infinite; }
@keyframes mapPulse {
  0% { transform: scale(.85); opacity: .5; }
  70% { transform: scale(1.18); opacity: 0; }
  100% { transform: scale(1.18); opacity: 0; }
}

/* ---------- Stats (count-up) ---------- */
.stats { padding-top: 0; }
.stats__grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--hairline);
}
.stat {
  padding: 2.2rem 1.4rem 0 0;
  display: grid; gap: .5rem; align-content: start;
}
.stat + .stat { padding-left: 1.4rem; border-left: 1px solid var(--hairline); }
.stat__figure {
  font-size: clamp(2.2rem, 1.4rem + 3vw, 3.8rem);
  font-weight: var(--w-light); letter-spacing: -.02em;
  color: var(--brass);
  font-variant-numeric: tabular-nums;
}
.stat__label { font-size: var(--t-small); color: var(--mist); font-weight: var(--w-light); max-width: 24rem; }
.stat__label cite { display: block; color: var(--ash); font-size: .78rem; margin-top: .3rem; }

/* ---------- The problem: statements ---------- */
.leaks { display: grid; gap: clamp(5rem, 14vh, 10rem); }
.statement { max-width: 52rem; }
.statement--right { justify-self: end; text-align: right; }
.statement__text {
  font-size: var(--t-state);
  font-weight: var(--w-reg);
  line-height: 1.14;
  letter-spacing: -.028em;
}
.statement--gain .statement__text { color: var(--ash); }
.statement--gain .gain { color: var(--brass-bright); }

.bridge {
  margin-top: clamp(2rem, 6vh, 4rem);
  padding-top: clamp(3.5rem, 8vh, 5.5rem);
  border-top: 1px solid var(--hairline);
  max-width: 46rem;
}
.bridge__text {
  font-size: var(--t-state);
  font-weight: var(--w-reg);
  line-height: 1.14;
  letter-spacing: -.028em;
}
.bridge__close { margin-top: 1.4rem; color: var(--mist); font-weight: var(--w-light); font-size: 1.08rem; }

/* ---------- Engines ---------- */
.engine {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(2.5rem, 6vw, 5.5rem);
  align-items: center;
  padding: clamp(3rem, 8vh, 5.5rem) 0;
}
.engine + .engine { border-top: 1px solid var(--hairline); }
.engine--flip .engine__copy { order: 2; }
.engine--flip .engine__diagram { order: 1; }
.engine__name {
  font-size: clamp(1.5rem, 1.1rem + 1.8vw, 2.4rem);
  font-weight: var(--w-reg); line-height: 1.12; letter-spacing: -.025em;
  margin-bottom: 1rem;
}
.engine__desc { color: var(--mist); font-weight: var(--w-light); margin-bottom: 1.5rem; max-width: 30rem; }
.engine__symptoms { display: grid; gap: .6rem; }
.engine__symptoms li {
  position: relative; padding-left: 1.4rem;
  color: var(--ash); font-size: var(--t-small);
}
.engine__symptoms li::before {
  content: "✕"; position: absolute; left: 0; top: 0;
  color: var(--ember); font-size: .8em; line-height: 1.9;
}
.engine__diagram {
  background: linear-gradient(160deg, rgba(255,255,255,.028), rgba(255,255,255,0) 55%);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: clamp(1.2rem, 3vw, 2.2rem);
}
.engine__diagram figcaption {
  margin-top: .9rem;
  font-size: .82rem;
  color: var(--ash);
  font-weight: var(--w-light);
  text-align: center;
}

/* The 12-point diagnostic — an inspection sheet. Hairline rows, not cards:
   a checklist reads as diagnosis, a grid of cards reads as a menu. */
.diagnostic {
  margin-top: clamp(3.5rem, 9vh, 6rem);
  padding-top: clamp(2.5rem, 6vh, 4rem);
  border-top: 1px solid var(--hairline);
}
.diagnostic__intro { color: var(--mist); font-weight: var(--w-light); max-width: 40rem; }
.diagnostic__groups {
  margin-top: clamp(2rem, 4vw, 3rem);
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4.5rem);
}
/* Hairline divider between the two groups — echoes the Proof Ladder columns */
.diagnostic__group + .diagnostic__group {
  border-left: 1px solid var(--hairline);
  padding-left: clamp(2rem, 5vw, 4.5rem);
}
.diagnostic__label {
  font-size: var(--t-label); font-weight: var(--w-semi);
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--brass); margin-bottom: .3rem;
}
.diagnostic__list { list-style: none; margin: 0; padding: 0; }
.diagnostic__list li {
  display: flex; align-items: baseline; gap: .8rem;
  padding: .8rem 0;
  border-top: 1px solid var(--hairline);
  font-size: var(--t-small); line-height: 1.35;
  color: var(--mist); font-weight: var(--w-light);
  transition: color .35s var(--e-fade);
}
/* Diagnostic mark, not a bullet — the rotated square used across the site */
.diagnostic__list li::before {
  content: ""; flex: none;
  width: 5px; height: 5px; margin-top: .45em;
  background: var(--brass); opacity: .45;
  transform: rotate(45deg);
  transition: opacity .35s var(--e-fade), background .35s var(--e-fade);
}
/* Self-recognition moment: the row the owner points at lifts, without
   pretending to be a link (no pointer cursor, no underline). */
.diagnostic__list li:hover { color: var(--bone); }
.diagnostic__list li:hover::before { background: var(--brass-bright); opacity: 1; }

/* ---------- The Proof Ladder (restored from v1, price-free) ---------- */
.ladder {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--hairline);
}
.ladder__step { padding: 2.2rem 1.6rem 0 0; position: relative; }
.ladder__step + .ladder__step { padding-left: 1.6rem; border-left: 1px solid var(--hairline); }
.ladder__num {
  font-size: var(--t-label); color: var(--brass);
  font-weight: var(--w-semi); letter-spacing: .12em;
  display: block; margin-bottom: 1.1rem;
}
.ladder__name {
  font-size: var(--t-h3); font-weight: var(--w-med);
  letter-spacing: -.01em; line-height: 1.25;
  display: flex; flex-direction: column; gap: .35rem;
  margin-bottom: .8rem;
}
.ladder__price {
  font-size: var(--t-small); color: var(--brass);
  font-weight: var(--w-reg); letter-spacing: .02em;
}
.ladder__price--free { color: var(--brass-bright); }
.ladder__body { font-size: var(--t-small); color: var(--ash); font-weight: var(--w-light); }
/* The Ladder is the conviction peak and had nothing to tap: between the hero
   CTA and the calculator CTA there was no link to #contact anywhere in <main>. */
.ladder__cta { margin-top: clamp(2.4rem, 6vh, 3.6rem); padding-top: clamp(1.8rem, 4vh, 2.4rem); border-top: 1px solid var(--hairline); }
.ladder__cta p { color: var(--mist); font-weight: var(--w-light); margin-bottom: 1.1rem; }

/* ---------- The promise ---------- */
.promise__panel {
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: clamp(2.5rem, 7vw, 5.5rem);
  background: radial-gradient(120% 120% at 0% 0%, rgba(194,150,60,.08), transparent 55%),
              radial-gradient(120% 120% at 100% 100%, rgba(26,143,119,.06), transparent 55%);
}
.promise__quote {
  font-size: clamp(2rem, 1.2rem + 3.6vw, 4.2rem);
  font-weight: var(--w-reg);
  line-height: 1.02;
  letter-spacing: -.035em;
  max-width: 20ch;
}
.promise__sub {
  margin-top: 1.5rem;
  color: var(--mist); font-weight: var(--w-light);
  max-width: 36rem;
}
.promise__lines { margin-top: 2.5rem; display: grid; gap: 1rem; max-width: 44rem; }
.promise__lines li {
  position: relative; padding: 1rem 0 1rem 1.5rem;
  color: var(--mist); font-weight: var(--w-light);
  border-top: 1px solid var(--hairline);
}
.promise__lines li::before {
  content: ""; position: absolute; left: 0; top: 1.55rem;
  width: 6px; height: 6px; border-radius: 1px;
  background: var(--brass); transform: rotate(45deg);
}

/* ---------- Founder ---------- */
.founder__grid {
  display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
  gap: clamp(2.5rem, 6vw, 5.5rem); align-items: center;
}
.founder__photo { border-radius: var(--radius); overflow: hidden; aspect-ratio: 4 / 5; }
.founder__photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
/* :not(.eyebrow) — this rule is (0,1,1) and was out-specifying .eyebrow (0,1,0),
   so the Founder eyebrow silently lost its brass semibold styling that the other
   five section eyebrows have. */
.founder__copy p:not(.eyebrow) { color: var(--mist); font-weight: var(--w-light); margin-top: 1.1rem; max-width: 32rem; }
.founder__copy p.founder__base { font-size: var(--t-small); color: var(--ash); }
/* The turn in the argument — carries the section, so it gets weight and the bone. */
.founder__copy p.founder__line { color: var(--bone); font-weight: var(--w-med); margin-top: 1.6rem; }
.founder__contacts { display: flex; gap: 2rem; margin-top: 1.4rem; flex-wrap: wrap; }

/* ---------- Contact: pre-footer mega-CTA ---------- */
.contact { text-align: center; padding-top: clamp(9rem, 20vh, 15rem); padding-bottom: clamp(7rem, 16vh, 11rem); }
.contact__title {
  font-size: clamp(2.4rem, 1rem + 6vw, 6.2rem);
  font-weight: var(--w-reg); line-height: 1; letter-spacing: -.038em;
}
.contact__title .line { display: block; }
.contact__sub { color: var(--mist); font-weight: var(--w-light); max-width: 32rem; margin: 1.8rem auto 0; }
.contact__ctas { display: flex; flex-wrap: wrap; gap: .9rem; justify-content: center; margin-top: 2.6rem; }
.contact__promise { margin-top: 1.6rem; font-size: var(--t-small); color: var(--ash); }

/* ---------- Booking (Cal.com embed) ---------- */
.book__grid {
  display: grid; gap: clamp(1.25rem, 2.5vw, 2rem);
  margin-top: clamp(3rem, 6vw, 4.5rem);
  text-align: left;
}
.book__aside {
  background: var(--coal); border: 1px solid var(--hairline);
  border-radius: var(--radius); padding: clamp(1.6rem, 2.6vw, 2.4rem);
}
.book__aside-title {
  font-size: var(--t-h3); font-weight: var(--w-semi); margin: 0 0 1.5rem;
}
.book__steps {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(1rem, 2.4vw, 2.2rem);
}
.book__steps li { display: grid; grid-template-columns: 1.65rem 1fr; gap: .85rem; align-items: start; }
.book__steps p { margin: 0; color: var(--mist); font-weight: var(--w-light); font-size: var(--t-small); line-height: 1.55; }
.book__n {
  display: grid; place-items: center; width: 1.65rem; height: 1.65rem;
  border-radius: 50%; background: rgba(194,150,60,.12); border: 1px solid rgba(194,150,60,.3);
  color: var(--brass-bright); font-size: .72rem; font-weight: var(--w-semi);
}
.book__alt {
  margin: 0; text-align: center; font-size: var(--t-small);
  color: var(--ash); font-weight: var(--w-light);
}
.book__alt .arrow-link { margin-left: .5rem; }

.book__cal {
  background: var(--coal); border: 1px solid var(--hairline);
  border-radius: var(--radius); overflow: hidden; min-height: 34rem;
}
.book__embed { width: 100%; min-height: 34rem; }
.book__fallback[hidden], .book__embed[hidden] { display: none; }
.book__fallback {
  min-height: 34rem; display: grid; place-content: center; justify-items: center;
  gap: .7rem; text-align: center; padding: clamp(1.6rem, 4vw, 3rem);
}
.book__fallback-title { margin: 0; font-size: var(--t-h3); font-weight: var(--w-semi); }
.book__fallback-body { margin: 0 0 .9rem; color: var(--ash); font-weight: var(--w-light); max-width: 24rem; }

@media (max-width: 1023px) {
  .book__steps { grid-template-columns: 1fr; gap: 1.15rem; }
  .book__cal, .book__embed, .book__fallback { min-height: 30rem; }
}

/* ---------- Tabs (shared: calculator + sample report) ---------- */
.tabs { display: flex; gap: 1.8rem; margin-bottom: clamp(2rem, 5vh, 3rem); }
.tabs__tab {
  /* Vertical padding only: ::after is left:0/width:100%, so horizontal
     padding would stretch the active underline past the label. ~44px target. */
  background: none; border: none; padding: 1rem 0 .9rem; cursor: pointer;
  font-family: var(--font); font-size: var(--t-label); font-weight: var(--w-semi);
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--ash); position: relative;
  transition: color .4s var(--e-fade);
}
.tabs__tab::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 0;
  background: var(--brass-bright); transition: width .45s var(--e-out);
}
.tabs__tab:hover { color: var(--mist); }
.tabs__tab.is-active { color: var(--bone); }
.tabs__tab.is-active::after { width: 100%; }

/* ---------- Leak calculator ---------- */
.calc__sub { margin-top: 1.1rem; color: var(--ash); font-weight: var(--w-light); }
.calc__grid { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 3fr); gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.calc__col-label {
  font-size: var(--t-label); font-weight: var(--w-semi); letter-spacing: .12em;
  text-transform: uppercase; color: var(--brass); margin-bottom: 1.6rem;
}
.calc__result { position: sticky; top: 5.5rem; }
.calc__inputs { display: grid; gap: 1.9rem; }

.field__label {
  display: flex; justify-content: space-between; align-items: baseline; gap: 1rem;
  font-size: var(--t-label); font-weight: var(--w-semi); letter-spacing: .08em;
  text-transform: uppercase; color: var(--mist); margin-bottom: .6rem;
}
.field__readout { color: var(--brass-bright); font-variant-numeric: tabular-nums; letter-spacing: .02em; }
.field__input {
  width: 100%; min-height: 48px;
  background: var(--coal); color: var(--bone);
  border: 1px solid var(--hairline); border-radius: 12px;
  font-family: var(--font); font-size: 1.05rem; font-variant-numeric: tabular-nums;
  padding: .6rem .9rem;
  -moz-appearance: textfield; appearance: textfield;
}
.field__input::-webkit-outer-spin-button, .field__input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.field__input:focus-visible { outline: 2px solid var(--brass); outline-offset: 2px; }
.field__help { margin-top: .5rem; font-size: .8rem; color: var(--ash); font-weight: var(--w-light); }
.stepper { display: flex; gap: .5rem; align-items: stretch; }
.stepper .field__input { text-align: center; }
.stepper__btn {
  width: 48px; min-height: 48px; flex: none;
  background: transparent; color: var(--bone);
  border: 1px solid var(--hairline); border-radius: 12px;
  font-size: 1.2rem; cursor: pointer;
  transition: border-color .3s var(--e-fade), color .3s var(--e-fade);
}
.stepper__btn:hover { border-color: var(--brass); color: var(--brass-bright); }
/* margin-inline (not blanket margin:0) — the Chromium UA rule adds 2px on all
   sides; zeroing the vertical too would tighten the gap to .field__range-ends. */
.field__range { width: 100%; accent-color: var(--brass); min-height: 44px; margin-inline: 0; cursor: pointer; }
.field__range-ends { display: flex; justify-content: space-between; font-size: .72rem; color: var(--ash); margin-top: .1rem; font-variant-numeric: tabular-nums; }

.calc__card {
  border: 1px solid var(--hairline); border-radius: var(--radius);
  padding: clamp(1.6rem, 4vw, 2.6rem);
  background: linear-gradient(200deg, rgba(192,98,43,.06), rgba(0,0,0,0) 45%);
}
.calc__result-label {
  display: flex; align-items: center; gap: .6rem;
  font-size: var(--t-label); font-weight: var(--w-semi); letter-spacing: .12em;
  text-transform: uppercase; color: var(--mist);
}
.calc__tick { width: 8px; height: 8px; background: var(--ember); border-radius: 2px; transform: rotate(45deg); }
.calc__hero {
  margin-top: .9rem;
  font-size: clamp(2.6rem, 1.4rem + 4.5vw, 4.6rem);
  font-weight: var(--w-light); letter-spacing: -.03em;
  color: var(--ember); font-variant-numeric: tabular-nums;
}
.calc__per { font-size: .35em; color: var(--ash); margin-left: .35rem; letter-spacing: 0; }
.calc__chain { margin-top: 1.1rem; display: grid; gap: .35rem; font-size: var(--t-small); color: var(--bone); font-variant-numeric: tabular-nums; }
.calc__annual { margin-top: .9rem; font-size: var(--t-small); color: var(--ash); font-variant-numeric: tabular-nums; }
.calc__recover { margin-top: 1.2rem; font-size: var(--t-body); color: var(--mist); }
.calc__recover strong { color: var(--verdant); font-weight: var(--w-med); font-variant-numeric: tabular-nums; }
.calc__foot { margin-top: .45rem; font-size: .78rem; color: var(--ash); font-weight: var(--w-light); }
.calc__formula { margin-top: 1.2rem; padding-top: 1.1rem; border-top: 1px solid var(--hairline); font-size: .82rem; color: var(--ash); font-weight: var(--w-light); }
.calc__honest { margin-top: .8rem; font-size: var(--t-small); color: var(--mist); }
.calc__cta { margin-top: 1.3rem; font-variant-numeric: tabular-nums; }
.calc__micro { margin-top: .7rem; font-size: .8rem; color: var(--ash); font-weight: var(--w-light); }
.calc__privacy { margin-top: .9rem; font-size: .74rem; color: var(--ash); font-weight: var(--w-light); }

/* ---------- Sample-month report ---------- */
.report__sub { margin-top: 1.1rem; color: var(--mist); font-weight: var(--w-light); max-width: 40rem; }
.report__badge {
  display: inline-block;
  border: 1px solid var(--hairline); border-radius: 99px;
  padding: .5rem 1.1rem;
  font-size: .72rem; font-weight: var(--w-semi); letter-spacing: .13em;
  text-transform: uppercase; color: var(--brass-bright);
  margin-bottom: 1.6rem;
}
.report__exec {
  font-size: clamp(1.25rem, 1rem + 1.2vw, 1.8rem);
  font-weight: var(--w-light); line-height: 1.3; letter-spacing: -.015em;
  max-width: 46rem; color: var(--mist);
}
.report__exec strong { color: var(--brass-bright); font-weight: var(--w-med); font-variant-numeric: tabular-nums; }
.report__sliders {
  margin-top: 1.9rem; padding: 1.3rem 1.5rem;
  border: 1px solid var(--hairline); border-radius: var(--radius);
  background: var(--coal);
}
.report__sliders-label {
  font-size: var(--t-label); font-weight: var(--w-semi); letter-spacing: .12em;
  text-transform: uppercase; color: var(--brass); margin-bottom: .9rem;
}
.report__slider-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem 2.5rem; }
.field--slim .field__label { margin-bottom: .35rem; }

.report__tiles {
  margin-top: 1.4rem;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: .9rem;
}
.tile {
  border: 1px solid var(--hairline); border-radius: var(--radius);
  padding: 1.3rem 1.4rem;
  display: grid; gap: .45rem; align-content: start;
}
.tile--hero {
  grid-column: span 2;
  background: linear-gradient(200deg, rgba(194,150,60,.07), rgba(0,0,0,0) 55%);
}
.tile__label {
  font-size: .72rem; font-weight: var(--w-semi); letter-spacing: .1em;
  text-transform: uppercase; color: var(--ash);
}
.tile__num {
  font-size: clamp(1.7rem, 1.2rem + 1.8vw, 2.6rem);
  font-weight: var(--w-light); letter-spacing: -.02em;
  color: var(--bone); font-variant-numeric: tabular-nums;
}
.tile--hero .tile__num { font-size: clamp(2.2rem, 1.4rem + 2.8vw, 3.6rem); }
.tile__num--brass { color: var(--brass-bright); }
.tile__num--verdant { color: var(--verdant); }
.tile__sub { font-size: .8rem; color: var(--ash); font-weight: var(--w-light); font-variant-numeric: tabular-nums; }
.tile__sub--verdant { color: var(--verdant); }
.tile__spark { width: 100%; max-width: 150px; height: auto; margin-top: .3rem; }

.ba { display: grid; gap: .55rem; margin-top: .4rem; }
.ba__row { display: grid; gap: .3rem; }
.ba__bar { display: block; height: 6px; border-radius: 3px; }
.ba__bar--before { background: var(--ember); opacity: .75; }
.ba__bar--after { background: var(--verdant); }
.ba__val { font-size: .78rem; color: var(--mist); font-weight: var(--w-light); font-variant-numeric: tabular-nums; }

.report__block-label {
  font-size: var(--t-label); font-weight: var(--w-semi); letter-spacing: .12em;
  text-transform: uppercase; color: var(--brass); margin-bottom: .9rem;
}
.report__ledger { margin-top: 2.4rem; }
.ledger { width: 100%; border-collapse: collapse; font-size: var(--t-small); }
.ledger th {
  text-align: left; font-size: .72rem; font-weight: var(--w-semi);
  letter-spacing: .09em; text-transform: uppercase; color: var(--ash);
  padding: 0 .6rem .55rem 0; border-bottom: 1px solid var(--hairline);
}
.ledger td {
  padding: .6rem .6rem .6rem 0; border-bottom: 1px solid var(--hairline);
  color: var(--mist); font-weight: var(--w-light); font-variant-numeric: tabular-nums;
}
.ledger th:not(:first-child), .ledger td:not(:first-child) { text-align: right; }
.ledger__total td { color: var(--bone); font-weight: var(--w-med); }

.report__trace { margin-top: 2.4rem; }
.trace { display: grid; gap: .55rem; max-width: 34rem; }
.trace li {
  position: relative; padding-left: 1.5rem;
  font-size: var(--t-small); color: var(--mist); font-weight: var(--w-light);
  font-variant-numeric: tabular-nums;
}
.trace li::before {
  content: ""; position: absolute; left: 0; top: .5em;
  width: 7px; height: 7px; border-radius: 50%; background: var(--verdant);
}
.trace__t { color: var(--ash); margin-right: .7rem; }
html.js-motion .trace:not(.is-in) li { opacity: 0; transform: translateY(8px); }
.trace.is-in li { opacity: 1; transform: none; transition: opacity .5s var(--e-fade), transform .5s var(--e-out); }
.trace.is-in li:nth-child(2) { transition-delay: .12s; }
.trace.is-in li:nth-child(3) { transition-delay: .24s; }
.trace.is-in li:nth-child(4) { transition-delay: .36s; }
.trace.is-in li:nth-child(5) { transition-delay: .48s; }
.trace.is-in li:nth-child(6) { transition-delay: .6s; }
.report__trace-note { margin-top: .9rem; font-size: .78rem; color: var(--ash); font-weight: var(--w-light); }

.report__value { margin-top: 2.2rem; font-size: var(--t-body); color: var(--mist); }
.report__value strong { color: var(--brass-bright); font-weight: var(--w-med); font-variant-numeric: tabular-nums; }
.report__appendix { margin-top: 1.4rem; border: 1px solid var(--hairline); border-radius: 14px; }
.report__appendix summary {
  cursor: pointer; padding: .85rem 1.1rem;
  font-size: .78rem; font-weight: var(--w-semi); letter-spacing: .1em;
  text-transform: uppercase; color: var(--ash);
}
.report__appendix summary:hover { color: var(--mist); }
.report__appendix p { padding: 0 1.1rem 1rem; font-size: var(--t-small); color: var(--mist); font-weight: var(--w-light); font-variant-numeric: tabular-nums; }
.report__assumptions { margin-top: 1.4rem; font-size: .78rem; color: var(--ash); font-weight: var(--w-light); max-width: 44rem; }
.report__scene { margin-top: 1.6rem; font-size: var(--t-body); color: var(--mist); font-weight: var(--w-light); max-width: 40rem; }
.report__close { margin-top: clamp(3rem, 7vh, 4.5rem); padding-top: clamp(2rem, 5vh, 3rem); border-top: 1px solid var(--hairline); }
.report__freedom { font-size: clamp(1.3rem, 1rem + 1.4vw, 2rem); font-weight: var(--w-light); letter-spacing: -.015em; color: var(--bone); max-width: 34rem; margin-bottom: 1.5rem; }
.report__want { color: var(--mist); font-weight: var(--w-light); margin-bottom: 1rem; }

@media (max-width: 1023px) {
  .calc__grid { grid-template-columns: 1fr; }
  .calc__result { position: static; }
  .report__tiles { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 599px) {
  .report__tiles { grid-template-columns: 1fr; }
  .tile--hero { grid-column: span 1; }
  .report__slider-row { grid-template-columns: 1fr; }
  .tabs { gap: 1.2rem; flex-wrap: wrap; }
}

/* Print: the report doubles as the real monthly delivery template.
   The reveal system stamps opacity/visibility/transform inline — neutralise
   all of it or an unscrolled page prints a blank report. */
@media print {
  body { background: #fff; color: #000; }
  body::after, .header, .hero, .stats, .leaks, .engines, .how, .calc, .promise, .founder, .contact, .footer,
  .report .tabs, .report__sliders { display: none !important; }
  .report, .report * {
    color: #000 !important; border-color: #ccc !important;
    opacity: 1 !important; visibility: visible !important; transform: none !important;
  }
}

/* ---------- Footer (slim) ---------- */
.footer { border-top: 1px solid var(--hairline); }
.footer__inner {
  max-width: var(--max); margin: 0 auto;
  padding: 3rem var(--pad) 3.5rem;
  display: grid; grid-template-columns: 1.2fr .8fr;
  gap: 2rem;
}
.footer__wordmark { font-weight: var(--w-med); font-size: 1.05rem; }
.footer__line { color: var(--ash); font-size: var(--t-small); font-weight: var(--w-light); margin-top: .8rem; }
.footer__meta { text-align: right; font-size: .82rem; color: var(--ash); display: grid; gap: .4rem; align-content: start; justify-items: end; }
.footer__legal { display: flex; gap: 1.2rem; margin-top: .4rem; }
.footer__legal a { color: var(--mist); transition: color .4s var(--e-fade); display: inline-block; padding: .55rem 0; }
.footer__legal a:hover { color: var(--bone); }

/* ---------- Responsive ---------- */
@media (max-width: 1023px) {
  /* Keep WhatsApp reachable in the header — it is the primary conversion
     channel and was previously two taps deep at every scroll position.
     margin-left:auto moves here because .nav (which carries it) is hidden. */
  .nav { display: none; }
  .header__actions { display: flex; margin-left: auto; }
  .header__actions .btn { display: none; }
  .nav-toggle { display: flex; }
  .mobile-nav { display: block; }
  .hero__inner { grid-template-columns: 1fr; grid-template-rows: none; }
  .hero__copy .eyebrow, .hero__title, .hero__sub, .hero__ctas, .hero__assurance { grid-column: 1; }
  .hero__visual { grid-column: 1; grid-row: auto; min-height: 250px; }
  .stats__grid { grid-template-columns: 1fr; gap: 0; }
  .stat { padding: 1.6rem 0; }
  .stat + .stat { padding-left: 0; border-left: 0; border-top: 1px solid var(--hairline); }
  .statement--right { justify-self: start; text-align: left; }
  .ladder { grid-template-columns: 1fr 1fr; }
  .ladder__step { padding: 1.6rem 1.2rem 1.2rem 0; }
  .ladder__step + .ladder__step { border-left: 0; padding-left: 0; }
  .ladder__step:nth-child(even) { border-left: 1px solid var(--hairline); padding-left: 1.2rem; }
  .ladder__step:nth-child(n+3) { border-top: 1px solid var(--hairline); }
  .engine, .engine--flip { grid-template-columns: 1fr; }
  .engine--flip .engine__copy { order: 1; }
  .engine--flip .engine__diagram { order: 2; }
  .diagnostic__groups { grid-template-columns: 1fr; gap: 2.4rem; }
  .diagnostic__group + .diagnostic__group { border-left: 0; padding-left: 0; }
  .founder__grid { grid-template-columns: 1fr; }
  .founder__photo { max-width: 22rem; }
  .footer__inner { grid-template-columns: 1fr; }
  .footer__meta { text-align: left; justify-items: start; }
}

/* Engine diagrams: desktop SVG swaps for a phone-native vertical variant */
.diagram-mobile { display: none; }

@media (max-width: 599px) {
  .hero { padding-top: 6rem; }
  .engine__diagram .diagram-desktop { display: none; }
  .engine__diagram .diagram-mobile { display: block; }
  #flow-canvas { display: none; }
  /* The 560x420 landscape map renders its labels at 5.6-6.6px here, which reads
     as broken. It steps aside for the portrait variant, which carries the same
     system top-to-bottom at legible size. The map sits after the hero copy in
     source order, so it lands below the fold and displaces nothing above it. */
  .hero__map .map-desktop { display: none; }
  .hero__map .map-mobile { display: block; }
  .hero__visual { min-height: 0; margin-top: 2.75rem; }
  .hero__map-caption { margin-top: 1.25rem; text-align: left; }
  /* The map used to fill the 96svh hero. With it gone, size to content
     instead or the phone shows ~200px of dead band before the next section. */
  .hero { min-height: 0; padding-bottom: clamp(3rem, 8vh, 4.5rem); }
  .ladder { grid-template-columns: 1fr; }
  .ladder__step, .ladder__step:nth-child(even) { border-left: 0; padding-left: 0; }
  .ladder__step + .ladder__step { border-top: 1px solid var(--hairline); }
}

/* SplitText line masks: protect descenders */
.sl { padding-bottom: .08em; margin-bottom: -.08em; }

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    /* Durations alone left the .btn 300ms delay intact — a reduced-motion
       user waited a third of a second for the hero CTA to respond. */
    transition-delay: 0s !important;
    animation-delay: 0s !important;
  }
}