/* ==========================================================================
   Warmer Solutions: brand system + homepage
   Logo colours (unchanged): leaf #43AB34 · ember #EE7713 · glow #F38F1A · amber #F5A200
   Shape language: the "leaf corner", taken from the logo icon. Three rounded
   corners and one sharp tip at the top right.
   ========================================================================== */

@font-face {
  font-family: "Fraunces";
  src: url("/case-studies/concepts/_assets/5097cb6923bb6938dcfc373e.woff2") format("woff2");
  font-weight: 300 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Fraunces";
  src: url("/case-studies/concepts/_assets/11db80390b2cee0b9538995a.woff2") format("woff2");
  font-weight: 300 700;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "Figtree";
  src: url("/case-studies/concepts/_assets/8330490a01c60c196eae00b8.woff2") format("woff2");
  font-weight: 300 800;
  font-style: normal;
  font-display: swap;
}

:root {
  /* Night: deep forest ink used for dark sections */
  --night-950: #07130D;
  --night-900: #0B1B13;
  --night-800: #10251A;
  --night-700: #173323;
  --night-600: #234431;

  /* Text */
  --ink: #132219;
  --ink-2: #3A4A40;
  --ink-3: #5B6A61;
  --cream: #FFF6E8;
  --cream-2: rgba(255, 246, 232, .74);
  --cream-3: rgba(255, 246, 232, .56);

  /* Surfaces */
  --linen: #FBF7F0;
  --oat: #F4EDE1;
  --sand: #EAE0CF;
  --paper: #FFFFFF;
  --line: #E6DCCB;
  --line-strong: #CFC2AC;
  --line-dark: rgba(255, 246, 232, .12);

  /* Brand (from the logo) */
  --leaf: #43AB34;
  --leaf-700: #276F1E;
  --ember: #EE7713;
  --ember-400: #F38F1A;
  --ember-700: #B4500A;
  --amber: #F5A200;

  /* Thermal ramp: cold to hot */
  --thermal: linear-gradient(90deg, #1D0F55, #4B1B7E, #A51E5F, #E8461D, #FF9A22, #FFE45E, #FFFBE0);
  --cold-to-warm: linear-gradient(90deg, #6F7FD9, #B4357A, #E5531C, #F5A200);

  --font-display: "Fraunces", "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --font-sans: "Figtree", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;

  --r-sm: 12px;
  --r: 18px;
  --r-lg: 28px;
  --tip: 5px;
  --leaf-lg: var(--r-lg) var(--tip) var(--r-lg) var(--r-lg);
  --leaf-md: var(--r) var(--tip) var(--r) var(--r);
  --leaf-sm: 14px 4px 14px 14px;

  --shadow-sm: 0 1px 2px rgba(19, 34, 25, .05), 0 4px 14px -6px rgba(19, 34, 25, .10);
  --shadow: 0 2px 6px rgba(19, 34, 25, .06), 0 18px 40px -18px rgba(19, 34, 25, .28);
  --shadow-lg: 0 40px 90px -30px rgba(16, 37, 26, .45), 0 8px 24px -12px rgba(16, 37, 26, .2);
  --shadow-ember: 0 10px 24px -10px rgba(238, 119, 19, .75);

  --container: 1240px;
  --gutter: clamp(16px, 4vw, 40px);
  --section: clamp(76px, 9vw, 136px);
  --header-h: 76px;
  --ease: cubic-bezier(.2, .7, .2, 1);

  interpolate-size: allow-keywords;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 12px);
}
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink-2);
  background: var(--linen);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}
img, svg, video, iframe { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-underline-offset: .18em; }
button, input, select, textarea { font: inherit; color: inherit; letter-spacing: inherit; }
button { cursor: pointer; }
h1, h2, h3, h4 {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 560;
  letter-spacing: -.02em;
  text-wrap: balance;
}
h1 em, h2 em, h3 em { font-style: italic; font-weight: 520; }
p { margin: 0; text-wrap: pretty; }
ul, ol { margin: 0; padding: 0; list-style: none; }
figure, blockquote { margin: 0; }
address { font-style: normal; }
[hidden] { display: none !important; }

.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.sr-only {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: fixed; left: 12px; top: -80px; z-index: 200;
  background: var(--ink); color: var(--cream); padding: 12px 18px;
  border-radius: var(--leaf-sm); font-weight: 700; text-decoration: none;
  transition: top .2s var(--ease);
}
.skip-link:focus { top: 12px; }
:focus-visible { outline: 3px solid var(--amber); outline-offset: 3px; }

.i {
  width: 1.2em; height: 1.2em; flex: none;
  fill: none; stroke: currentColor; stroke-width: 1.9;
  stroke-linecap: round; stroke-linejoin: round;
}
.stars { width: 6.2em; height: 1.2em; color: var(--amber); flex: none; }

.container { width: min(100% - 2 * var(--gutter), var(--container)); margin-inline: auto; }
.section { padding-block: var(--section); position: relative; }
.section--oat { background: var(--oat); }
.section--night { background: var(--night-800); color: var(--cream-2); isolation: isolate; }
.section--night h2, .section--night h3 { color: var(--cream); }

.t-warm { color: var(--ember-700); }
.t-leaf { color: var(--leaf-700); }
.section--night .t-warm { color: var(--ember-400); }
.section--night .t-leaf { color: var(--leaf); }

h2 { font-size: clamp(2.15rem, 1.35rem + 2.6vw, 3.6rem); line-height: 1.04; }
.h3, h3 { font-size: clamp(1.4rem, 1.2rem + .6vw, 1.75rem); line-height: 1.12; }
.lead { font-size: clamp(1.08rem, 1rem + .35vw, 1.27rem); line-height: 1.6; color: var(--ink-2); }
.section--night .lead { color: var(--cream-2); }
.source { font-size: .8rem; color: var(--ink-3); margin-top: 22px; }
.source--center { text-align: center; margin-top: 32px; }
.source--light, .section--night .source { color: var(--cream-3); }

.eyebrow {
  display: inline-flex; align-items: center; gap: .7em;
  font-family: var(--font-sans); font-size: .78rem; font-weight: 800;
  letter-spacing: .16em; text-transform: uppercase;
  color: var(--ember-700); margin-bottom: 18px;
}
.eyebrow::before { content: ""; width: 22px; height: 2px; border-radius: 2px; background: currentColor; }
.eyebrow--light { color: var(--amber); }
.eyebrow--pill {
  padding: 8px 14px 8px 12px; border-radius: 999px;
  background: var(--paper); color: var(--ink); letter-spacing: .1em;
  box-shadow: var(--shadow-sm); border: 1px solid var(--line);
}
.eyebrow--pill::before { display: none; }
.pulse {
  width: 9px; height: 9px; border-radius: 50%; background: var(--leaf);
  box-shadow: 0 0 0 0 rgba(67, 171, 52, .55); animation: pulse 2.2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(67, 171, 52, .55); }
  70% { box-shadow: 0 0 0 9px rgba(67, 171, 52, 0); }
  100% { box-shadow: 0 0 0 0 rgba(67, 171, 52, 0); }
}

.section-head { margin-bottom: clamp(40px, 5vw, 64px); }
.section-head--center { text-align: center; max-width: 760px; margin-inline: auto; }
.section-head--center .eyebrow { justify-content: center; }
.section-head--center .lead { margin-top: 18px; }
.section-head--split {
  display: grid; grid-template-columns: 1.15fr .85fr; gap: 24px 64px; align-items: end;
}

/* ---------- Buttons & links ---------- */
.btn {
  --bg: var(--ink); --fg: var(--cream);
  display: inline-flex; align-items: center; justify-content: center; gap: .55em;
  min-height: 48px; padding: .85em 1.35em;
  border: 0; border-radius: var(--leaf-sm);
  background: var(--bg); color: var(--fg);
  font-family: var(--font-sans); font-size: 1rem; font-weight: 750; line-height: 1.1;
  text-decoration: none; white-space: nowrap;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), background-color .2s var(--ease), color .2s var(--ease);
}
.btn .i { width: 1.1em; height: 1.1em; stroke-width: 2.2; transition: transform .2s var(--ease); }
.btn:hover .i:last-child:not(:first-child) { transform: translateX(3px); }
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn--primary { --bg: var(--ember); --fg: var(--night-900); box-shadow: var(--shadow-ember), inset 0 -2px 0 rgba(0, 0, 0, .12); }
.btn--primary:hover { --bg: var(--ember-400); box-shadow: 0 14px 30px -10px rgba(238, 119, 19, .85), inset 0 -2px 0 rgba(0, 0, 0, .1); }
.btn--dark { --bg: var(--ink); --fg: var(--cream); }
.btn--dark:hover { --bg: var(--night-600); }
.btn--ghost { --bg: transparent; --fg: var(--ink); box-shadow: inset 0 0 0 1.5px var(--line-strong); }
.btn--ghost:hover { --bg: var(--paper); box-shadow: inset 0 0 0 1.5px var(--ink); }
.btn--lg { min-height: 56px; padding: 1em 1.6em; font-size: 1.06rem; }
.btn--sm { min-height: 40px; padding: .6em 1em; font-size: .9rem; }
.btn--block { width: 100%; }

.link-arrow {
  display: inline-flex; align-items: center; gap: .45em;
  font-weight: 750; color: var(--ink); text-decoration: none;
}
.link-arrow .i { width: 1.05em; height: 1.05em; stroke-width: 2.2; transition: transform .2s var(--ease); }
a.link-arrow:hover .i, .card:hover .link-arrow .i { transform: translateX(3px); }
.link-light {
  display: inline-flex; align-items: center; gap: .5em;
  color: var(--cream); font-weight: 700; text-decoration: none;
}
.link-light:hover { color: var(--amber); }

/* ---------- Announcement ---------- */
.announce { background: var(--night-800); color: var(--cream-2); font-size: .9rem; }
.announce__inner { padding-block: 9px; }
.announce p { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 6px 10px; text-align: center; }
.announce p > .i { color: var(--amber); width: 1.05em; height: 1.05em; }
.announce strong { color: var(--cream); font-weight: 750; }
.announce a {
  display: inline-flex; align-items: center; gap: .35em;
  color: var(--amber); font-weight: 750; text-decoration: none;
}
.announce a .i { width: 1em; height: 1em; stroke-width: 2.3; transition: transform .2s var(--ease); }
.announce a:hover .i { transform: translateX(3px); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(251, 247, 240, .88);
  -webkit-backdrop-filter: saturate(1.5) blur(14px);
  backdrop-filter: saturate(1.5) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, box-shadow .3s, background-color .3s;
}
.site-header.is-scrolled { border-color: var(--line); box-shadow: 0 10px 30px -24px rgba(19, 34, 25, .5); }
.header__inner { display: flex; align-items: center; gap: 20px; height: var(--header-h); }
.brand { display: block; flex: none; border-radius: 6px; }
.brand img { height: 50px; width: auto; }
.nav { display: flex; align-items: center; gap: 2px; margin-left: auto; }
.nav a {
  position: relative; padding: 10px 12px; border-radius: 10px;
  font-size: .95rem; font-weight: 650; color: var(--ink); text-decoration: none;
  transition: background-color .2s;
}
.nav a:hover { background: var(--oat); }
.nav a[aria-current="true"]::after {
  content: ""; position: absolute; left: 12px; right: 12px; bottom: 5px; height: 2px;
  border-radius: 2px; background: var(--ember);
}
.header__phone {
  display: flex; align-items: center; gap: 10px; flex: none;
  color: var(--ink); text-decoration: none; padding: 4px 6px; border-radius: 12px;
}
.header__phone-icon {
  width: 40px; height: 40px; display: grid; place-items: center; flex: none;
  border-radius: 50% var(--tip) 50% 50%; background: var(--oat); color: var(--ember-700);
  transition: background-color .2s, color .2s;
}
.header__phone:hover .header__phone-icon { background: var(--ember); color: var(--night-900); }
.header__phone-text { display: grid; line-height: 1.15; }
.header__phone-text small { font-size: .72rem; font-weight: 650; color: var(--ink-3); letter-spacing: .02em; }
.header__phone-text strong { font-size: 1.02rem; font-weight: 800; letter-spacing: .01em; }
.header__cta { flex: none; }
.nav-toggle {
  display: none; width: 46px; height: 46px; place-items: center; flex: none;
  border: 0; border-radius: 50% var(--tip) 50% 50%;
  background: var(--ink); color: var(--cream);
}
.nav-toggle .i { width: 22px; height: 22px; stroke-width: 2.2; }
.nav-toggle .i--close { display: none; }
.nav-toggle[aria-expanded="true"] .i--open { display: none; }
.nav-toggle[aria-expanded="true"] .i--close { display: block; }

.mobile-nav {
  position: absolute; left: 0; right: 0; top: 100%;
  background: var(--linen); border-bottom: 1px solid var(--line);
  box-shadow: 0 30px 50px -30px rgba(19, 34, 25, .45);
  max-height: calc(100dvh - var(--header-h)); overflow-y: auto;
  animation: drop .3s var(--ease);
}
@keyframes drop { from { opacity: 0; transform: translateY(-8px); } }
.mobile-nav nav { display: grid; padding-block: 8px 24px; }
.mobile-nav nav > a {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 4px; border-bottom: 1px solid var(--line);
  font-family: var(--font-display); font-size: 1.35rem; font-weight: 560;
  color: var(--ink); text-decoration: none;
}
.mobile-nav nav > a .i { color: var(--ember-700); }
.mobile-nav__ctas { display: grid; gap: 10px; margin-top: 20px; }

/* ---------- Hero ---------- */
.hero {
  position: relative; isolation: isolate; overflow: clip;
  padding-block: clamp(40px, 6vw, 84px) clamp(84px, 9vw, 128px);
}
.hero::before {
  content: ""; position: absolute; z-index: -1; inset: -10% -20% auto auto;
  width: 70vw; height: 70vw; max-width: 1100px; max-height: 1100px;
  background:
    radial-gradient(closest-side, rgba(238, 119, 19, .16), rgba(238, 119, 19, 0) 70%);
}
.hero::after {
  content: ""; position: absolute; z-index: -2; inset: 0;
  background: url("/case-studies/concepts/_assets/d0597e5e0e7410bb55b75338.svg") right -180px top -120px / 1200px auto no-repeat;
  -webkit-mask-image: radial-gradient(60% 70% at 80% 40%, #000 30%, transparent 75%);
  mask-image: radial-gradient(60% 70% at 80% 40%, #000 30%, transparent 75%);
  opacity: .9;
}
.hero__grid {
  display: grid; grid-template-columns: minmax(0, 1.04fr) minmax(0, .96fr);
  gap: clamp(40px, 5vw, 80px); align-items: center;
}
.hero h1 {
  margin: 22px 0 24px;
  font-size: clamp(2.8rem, 1.5rem + 3.9vw, 5.35rem);
  line-height: .98; letter-spacing: -.03em; font-weight: 580;
}
.h1-line { display: block; }
.hero h1 em { font-weight: 540; letter-spacing: -.02em; padding-right: .04em; }
.hero__lead { font-size: clamp(1.08rem, 1rem + .4vw, 1.3rem); line-height: 1.6; max-width: 36ch; color: var(--ink-2); }
.hero__ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.hero__trust { display: flex; flex-wrap: wrap; gap: 10px 22px; margin-top: 26px; font-size: .95rem; font-weight: 650; color: var(--ink); }
.hero__trust li { display: inline-flex; align-items: center; gap: 8px; }
.hero__trust .i {
  width: 22px; height: 22px; padding: 4px; border-radius: 50%;
  background: rgba(67, 171, 52, .14); color: var(--leaf-700); stroke-width: 2.6;
}
.rating {
  display: inline-flex; align-items: center; gap: 12px; margin-top: 28px;
  padding: 10px 16px 10px 14px; border-radius: 999px;
  background: var(--paper); border: 1px solid var(--line); box-shadow: var(--shadow-sm);
  font-size: .9rem; color: var(--ink-2); text-decoration: none;
  transition: box-shadow .2s, transform .2s var(--ease);
}
.rating:hover { box-shadow: var(--shadow); transform: translateY(-1px); }
.rating strong { color: var(--ink); }
.rating .stars { width: 5.6em; }

.hero__visual { position: relative; }
.thermal { position: relative; }
.thermal__caption { margin-top: 14px; padding-left: 250px; font-size: .8rem; color: var(--ink-3); text-align: right; }

/* ---------- Compare slider (thermal + photo before/after) ---------- */
.compare {
  --pos: 50%;
  position: relative; overflow: hidden; isolation: isolate;
  aspect-ratio: var(--ar, 640 / 560);
  border-radius: var(--leaf-lg);
  background: var(--night-900);
  touch-action: pan-y; user-select: none; -webkit-user-select: none;
  cursor: ew-resize;
  box-shadow: var(--shadow);
}
.compare--thermal { --ar: 640 / 560; box-shadow: var(--shadow-lg), 0 0 0 1px rgba(16, 37, 26, .06); }
.compare__layer {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; pointer-events: none;
}
.compare__layer > svg { width: 100%; height: 100%; }
.compare__layer--after { clip-path: inset(0 0 0 var(--pos)); }
.compare__tag {
  position: absolute; z-index: 2; top: 14px; left: 14px;
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 12px; border-radius: 999px;
  background: rgba(7, 19, 13, .58); color: #fff;
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, .16);
  font-size: .78rem; font-weight: 650; line-height: 1; pointer-events: none;
}
.compare__tag b { font-weight: 800; letter-spacing: .12em; text-transform: uppercase; font-size: .7rem; color: var(--amber); }
.compare__tag--after { left: auto; right: 14px; }
.compare__tag--after b { color: #8EE07F; }
.compare--thermal .compare__tag { background: rgba(5, 4, 42, .55); }
.compare__divider {
  position: absolute; z-index: 3; top: 0; bottom: 0; left: var(--pos);
  width: 2px; margin-left: -1px; background: rgba(255, 255, 255, .95);
  box-shadow: 0 0 18px rgba(255, 255, 255, .55);
  pointer-events: none;
}
.compare__knob {
  position: absolute; top: 50%; left: 50%;
  width: 52px; height: 52px; margin: -26px 0 0 -26px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%; background: var(--ember); color: var(--night-900);
  box-shadow: 0 0 0 4px rgba(255, 255, 255, .95), 0 10px 26px rgba(0, 0, 0, .35);
  transition: transform .2s var(--ease);
}
.compare__knob .i { width: 18px; height: 18px; stroke-width: 2.6; margin: 0 -3px; }
.compare:hover .compare__knob, .compare.is-dragging .compare__knob { transform: scale(1.07); }
.compare__range {
  position: absolute; inset: 0; z-index: 1; width: 100%; height: 100%;
  margin: 0; opacity: 0; pointer-events: none;
}
.compare__range:focus-visible ~ .compare__divider .compare__knob {
  outline: 3px solid var(--amber); outline-offset: 5px;
}
.thermal__scale {
  position: absolute; z-index: 2; right: 14px; bottom: 14px;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 11px; border-radius: 999px;
  background: rgba(5, 4, 42, .55); color: rgba(255, 255, 255, .85);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, .14);
  font-size: .66rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase;
  pointer-events: none;
}
.thermal__scale i { width: 84px; height: 6px; border-radius: 6px; background: var(--thermal); }
.hud text { font-family: var(--font-sans); font-size: 13px; font-weight: 800; letter-spacing: .02em; }

/* thermal motion */
.plume { transform-box: fill-box; transform-origin: 50% 100%; animation: plume 6s ease-in-out infinite; }
.plume--2 { animation-delay: -2s; }
.plume--3 { animation-delay: -4s; }
@keyframes plume {
  0% { transform: translateY(26px) scale(.85); opacity: 0; }
  35% { opacity: .62; }
  100% { transform: translateY(-48px) scale(1.15); opacity: 0; }
}
.wave { animation: wave 3.6s ease-in-out infinite; }
.wave--2 { animation-delay: -1.2s; }
.wave--3 { animation-delay: -2.4s; }
@keyframes wave {
  0% { transform: translateY(16px); opacity: 0; }
  30% { opacity: .85; }
  100% { transform: translateY(-36px); opacity: 0; }
}

/* floating proof on hero card */
.float-chip {
  position: absolute; z-index: 4; top: -58px; right: 18px;
  display: flex; align-items: center; gap: 12px; max-width: 250px;
  padding: 12px 16px 12px 12px; border-radius: var(--leaf-md);
  background: var(--paper); box-shadow: var(--shadow);
  font-size: .86rem; line-height: 1.3; color: var(--ink-2);
  animation: bob 6s ease-in-out infinite;
}
.float-chip strong { color: var(--ink); }
.float-chip__icon {
  width: 40px; height: 40px; display: grid; place-items: center; flex: none;
  border-radius: 50% var(--tip) 50% 50%;
  background: linear-gradient(135deg, var(--amber), var(--ember)); color: var(--night-900);
}
.float-chip__icon .i { stroke-width: 2.1; }
.float-review {
  position: absolute; z-index: 4; left: -36px; bottom: 2px;
  max-width: 290px; padding: 18px 20px; border-radius: var(--leaf-md);
  background: var(--paper); box-shadow: var(--shadow-lg);
  animation: bob 7s ease-in-out -3s infinite;
}
.float-review .stars { width: 5.4em; }
.float-review blockquote {
  margin: 8px 0 10px; font-family: var(--font-display); font-size: 1.06rem;
  line-height: 1.35; color: var(--ink); font-weight: 480;
}
.float-review figcaption { font-size: .82rem; color: var(--ink-3); }
.float-review figcaption strong { color: var(--ink); }
@keyframes bob { 0%, 100% { translate: 0 0; } 50% { translate: 0 -6px; } }

/* ---------- Proof bar ---------- */
.proof { border-block: 1px solid var(--line); background: var(--paper); }
.proof__list {
  display: grid; grid-template-columns: repeat(5, auto); justify-content: space-between;
  gap: 18px 28px; padding-block: 22px;
}
.proof__item { display: flex; align-items: center; gap: 12px; line-height: 1.2; }
.proof__item strong { display: block; font-size: .98rem; font-weight: 800; color: var(--ink); }
.proof__item small { display: block; font-size: .8rem; color: var(--ink-3); margin-top: 2px; }
.proof__badge {
  width: 52px; height: 52px; flex: none; display: grid; place-items: center; overflow: hidden;
  border-radius: 50%; background: #fff; box-shadow: 0 0 0 1px var(--line);
}
.proof__badge img { width: 46px; height: 46px; object-fit: contain; }
.proof__badge--icon { background: var(--oat); color: var(--leaf-700); box-shadow: none; border-radius: 50% var(--tip) 50% 50%; }
.proof__badge--icon .i { width: 24px; height: 24px; }
.proof__badge--amber { color: var(--amber); }

/* ---------- Heat loss (night) ---------- */
.section--night::before {
  content: ""; position: absolute; z-index: -1; inset: 0; pointer-events: none;
  background: url("/case-studies/concepts/_assets/c752025124a7d9720d5ec0cd.svg") center / cover no-repeat;
  opacity: .9;
}
.heatloss { background: radial-gradient(60% 70% at 85% 10%, rgba(238, 119, 19, .16), transparent 70%), var(--night-800); }
.heatloss__grid { display: grid; grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr); gap: clamp(40px, 6vw, 96px); align-items: start; }
.heatloss h2 { margin-bottom: 22px; }
.big-stat {
  display: grid; grid-template-columns: auto 1fr; gap: 20px; align-items: center;
  margin-top: 40px; padding-top: 32px; border-top: 1px solid var(--line-dark);
}
.big-stat strong {
  font-family: var(--font-display); font-weight: 600; font-size: clamp(4.2rem, 3rem + 4.5vw, 7.2rem);
  line-height: .85; letter-spacing: -.04em;
  background: linear-gradient(180deg, #FFE45E 10%, var(--ember-400) 60%, #E8461D);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.big-stat span { font-size: 1.05rem; color: var(--cream-2); max-width: 26ch; }
.chart-title {
  font-size: .78rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase;
  color: var(--cream-3); margin-bottom: 16px;
}
.lossbar { display: flex; gap: 4px; height: 64px; }
.lossbar span {
  flex: var(--v) 1 0; min-width: 0;
  display: flex; align-items: center; padding-left: 12px;
  background: var(--c); color: var(--night-900);
  font-weight: 800; font-size: .95rem;
  transform-origin: left center;
}
.lossbar span:first-child { border-radius: 16px 0 0 16px; }
.lossbar span:last-child { border-radius: 0 var(--tip) 16px 0; }
.lossbar span.is-light { color: #fff; }
.losslist { margin-top: 14px; }
.losslist li {
  display: grid; grid-template-columns: 16px 1fr auto; gap: 16px; align-items: start;
  padding: 18px 0; border-bottom: 1px solid var(--line-dark);
}
.losslist .swatch {
  width: 14px; height: 14px; margin-top: 6px;
  border-radius: 50% 2px 50% 50%; background: var(--c);
  box-shadow: 0 0 14px var(--c);
}
.losslist strong { display: block; font-size: 1.08rem; color: var(--cream); font-weight: 750; margin-bottom: 2px; }
.losslist p { font-size: .95rem; color: var(--cream-2); }
.losslist .pct { font-family: var(--font-display); font-size: 1.7rem; line-height: 1; color: var(--cream); font-weight: 560; }

/* ---------- Solutions (bento) ---------- */
.bento { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.card {
  position: relative; display: flex; flex-direction: column; overflow: hidden;
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--leaf-lg);
  box-shadow: var(--shadow-sm);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--line-strong); }
.card__media { position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: var(--sand); }
.card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.card:hover .card__media img { transform: scale(1.045); }
.card__tag {
  position: absolute; left: 14px; top: 14px;
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 11px; border-radius: 999px;
  background: rgba(251, 247, 240, .94); color: var(--ink);
  font-size: .76rem; font-weight: 750; letter-spacing: .02em; line-height: 1;
  box-shadow: 0 4px 14px -6px rgba(0, 0, 0, .3);
}
.card__tag .i { width: 15px; height: 15px; color: var(--ember-700); stroke-width: 2.1; }
.card__tag--dark { background: rgba(255, 246, 232, .1); color: var(--cream); box-shadow: none; border: 1px solid var(--line-dark); }
.card__tag--dark .i { color: var(--amber); }
.card__body { display: flex; flex-direction: column; gap: 12px; flex: 1; padding: 24px 24px 26px; }
.card__body > p { color: var(--ink-2); font-size: 1rem; }
.card__kicker { font-size: .76rem !important; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; color: var(--ember-700) !important; }
.card__title { font-size: 1.6rem; line-height: 1.08; }
.card__title a { color: inherit; text-decoration: none; }
.card__title a::after { content: ""; position: absolute; inset: 0; z-index: 1; border-radius: inherit; }
.card__title a:focus-visible { outline: none; }
.card:has(.card__title a:focus-visible) { outline: 3px solid var(--amber); outline-offset: 3px; }
.ticks { display: grid; gap: 8px; margin-top: 2px; }
.ticks li {
  position: relative; padding-left: 28px;
  font-size: .94rem; font-weight: 650; color: var(--ink); line-height: 1.4;
}
.ticks li::before {
  content: ""; position: absolute; left: 0; top: .05em; width: 19px; height: 19px;
  border-radius: 50% 3px 50% 50%; background: var(--leaf);
}
.ticks li::after {
  content: ""; position: absolute; left: 5px; top: calc(.05em + 5px); width: 9px; height: 5px;
  border-left: 2px solid #fff; border-bottom: 2px solid #fff; transform: rotate(-45deg);
}
.card__foot {
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  margin-top: auto; padding-top: 14px;
}
.card__cta { position: relative; z-index: 2; }

.card--wide { grid-column: span 2; flex-direction: row; }
.card--wide .card__media { aspect-ratio: auto; flex: 0 0 47%; min-height: 100%; }
.card--wide .card__body { padding: clamp(24px, 3vw, 40px); justify-content: center; }
.card--wide .card__foot { margin-top: 10px; }
.card--feature .card__title { font-size: clamp(1.8rem, 1.4rem + 1vw, 2.3rem); }

.card--night { background: var(--night-800); border-color: var(--night-700); color: var(--cream-2); }
.card--night:hover { border-color: var(--night-600); }
.card--night .card__body > p { color: var(--cream-2); }
.card--night .card__title, .card--night .ticks li, .card--night .link-arrow { color: var(--cream); }
.card--night .ticks li::before { background: var(--ember); }
.card--night .ticks li::after { border-color: var(--night-900); }
.card__art {
  position: relative; aspect-ratio: 16 / 10; display: grid; place-items: center;
  background:
    radial-gradient(70% 60% at 50% 55%, rgba(238, 119, 19, .18), transparent 70%),
    url("/case-studies/concepts/_assets/c752025124a7d9720d5ec0cd.svg") center / 220% no-repeat,
    var(--night-900);
}
.card__art .card__tag { z-index: 1; }
.heatpump-art { width: 64%; height: auto; }
.hp-blades { transform-origin: 100px 82px; animation: spin 6s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Results ---------- */
.results__grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: 22px; align-items: start; }
.results__side { display: grid; gap: 22px; }
.result figcaption, .pair figcaption { margin-top: 14px; font-size: .95rem; color: var(--ink-2); }
.result figcaption strong, .pair figcaption strong { display: block; font-family: var(--font-display); font-size: 1.25rem; font-weight: 600; color: var(--ink); margin-bottom: 2px; letter-spacing: -.01em; }
.results__cta {
  padding: clamp(24px, 3vw, 36px); border-radius: var(--leaf-lg);
  background: var(--night-800); color: var(--cream-2);
  background-image: radial-gradient(80% 90% at 100% 0%, rgba(238, 119, 19, .25), transparent 60%);
}
.results__cta-title { font-family: var(--font-display); font-size: 1.6rem; line-height: 1.1; color: var(--cream); margin-bottom: 8px; }
.results__cta .btn { margin-top: 20px; }
.pairs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; margin-top: 40px; }
.pair__imgs { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; border-radius: var(--leaf-lg); overflow: hidden; box-shadow: var(--shadow-sm); }
.pair__img { position: relative; aspect-ratio: 1; background: var(--sand); }
.pair__img img { width: 100%; height: 100%; object-fit: cover; }
.pair__tag {
  position: absolute; left: 10px; bottom: 10px;
  padding: 5px 9px; border-radius: 999px;
  background: rgba(7, 19, 13, .66); color: #fff;
  font-size: .66rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; line-height: 1;
}
.pair__tag--after { background: var(--ember); color: var(--night-900); }

/* ---------- ProPERLA (night) ---------- */
.properla { background: radial-gradient(50% 60% at 15% 90%, rgba(67, 171, 52, .14), transparent 70%), var(--night-800); }
.properla__grid { display: grid; grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr); gap: clamp(40px, 6vw, 88px); align-items: center; }
.properla h2 { margin-bottom: 22px; }
.properla__copy > p:not(.eyebrow):not(.lead):not(.source) { margin-top: 16px; }
.stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: 34px; }
.stats li { padding: 18px 16px; border-radius: var(--leaf-md); background: rgba(255, 246, 232, .05); border: 1px solid var(--line-dark); }
.stats strong { display: block; font-family: var(--font-display); font-weight: 600; font-size: clamp(1.25rem, 1.05rem + .5vw, 1.5rem); line-height: 1.1; color: var(--amber); white-space: nowrap; }
.stats span { display: block; margin-top: 6px; font-size: .86rem; color: var(--cream-2); line-height: 1.35; }
.properla__links { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 26px; margin-top: 34px; }
.video {
  position: relative; aspect-ratio: 16 / 9; overflow: hidden; border-radius: var(--leaf-lg);
  background: #000; box-shadow: 0 40px 90px -40px rgba(0, 0, 0, .8), 0 0 0 1px rgba(255, 255, 255, .06);
}
.video img, .video iframe { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; border: 0; }
.video__play {
  position: absolute; inset: 0; display: grid; place-items: center; border: 0; padding: 0;
  background: linear-gradient(180deg, rgba(7, 19, 13, .05) 40%, rgba(7, 19, 13, .7));
  color: var(--cream);
}
.video__btn {
  width: 84px; height: 84px; display: grid; place-items: center;
  border-radius: 50%; background: var(--ember); color: var(--night-900);
  box-shadow: 0 0 0 10px rgba(238, 119, 19, .25), 0 20px 40px rgba(0, 0, 0, .45);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.video__btn .i { width: 32px; height: 32px; margin-left: 4px; }
.video__play:hover .video__btn { transform: scale(1.07); box-shadow: 0 0 0 16px rgba(238, 119, 19, .2), 0 20px 40px rgba(0, 0, 0, .45); }
.video__label {
  position: absolute; left: 22px; bottom: 18px;
  font-weight: 750; font-size: 1rem; letter-spacing: .01em;
}

/* ---------- Process ---------- */
.steps {
  position: relative; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 28px;
}
.steps::before {
  content: ""; position: absolute; top: 27.5px; left: 29px; right: calc(25% - 50px);
  height: 3px; border-radius: 3px; background: var(--cold-to-warm);
  transform-origin: left center;
}
.step { position: relative; }
.step__num {
  position: relative; z-index: 1;
  width: 58px; height: 58px; display: grid; place-items: center;
  border-radius: 50% var(--tip) 50% 50%;
  background: var(--paper); border: 2.5px solid var(--c); color: var(--ink);
  font-family: var(--font-display); font-size: 1.5rem; font-weight: 600;
  box-shadow: 0 0 0 7px var(--linen), 0 10px 24px -10px var(--c);
}
.step h3 { margin: 24px 0 10px; font-size: 1.35rem; }
.step p { font-size: .98rem; }
.step__quote {
  margin-top: 18px; padding: 16px 18px; border-radius: var(--leaf-md);
  background: var(--oat); color: var(--ink);
  font-family: var(--font-display); font-size: 1rem; line-height: 1.4; font-weight: 450;
}
.step__quote cite {
  display: block; margin-top: 8px;
  font-family: var(--font-sans); font-style: normal; font-size: .8rem; font-weight: 750; color: var(--ink-3);
}
.process__cta { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 14px 22px; margin-top: clamp(40px, 5vw, 64px); }
.process__cta span { font-size: .9rem; color: var(--ink-3); font-weight: 600; }

/* ---------- Reviews ---------- */
.reviews__grid { display: grid; grid-template-columns: minmax(0, .82fr) minmax(0, 1.5fr); gap: clamp(36px, 5vw, 72px); align-items: start; }
.reviews__summary { position: sticky; top: calc(var(--header-h) + 32px); }
.reviews__summary > p:not(.eyebrow) { margin-top: 22px; }
.score { display: flex; align-items: center; gap: 18px; margin-top: 28px; }
.score__num { font-family: var(--font-display); font-size: clamp(4rem, 3rem + 3vw, 5.6rem); line-height: .85; font-weight: 600; color: var(--ink); letter-spacing: -.04em; }
.score__meta { display: grid; gap: 6px; font-size: .9rem; color: var(--ink-3); line-height: 1.3; }
.score__meta .stars { width: 7em; }
.reviews__links { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 22px; margin-top: 30px; }
.review-wall { columns: 2; column-gap: 20px; }
.review {
  break-inside: avoid; margin-bottom: 20px; padding: 26px 26px 24px;
  border-radius: var(--leaf-lg); background: var(--paper); border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
}
.review .stars { width: 6em; }
.review blockquote {
  margin: 14px 0 20px; font-family: var(--font-display); font-size: 1.16rem; line-height: 1.45;
  color: var(--ink); font-weight: 440; letter-spacing: -.005em;
}
.review figcaption { display: flex; align-items: center; gap: 12px; line-height: 1.25; }
.review figcaption strong { display: block; color: var(--ink); font-size: .95rem; }
.review figcaption small { display: block; color: var(--ink-3); font-size: .8rem; }
.avatar {
  width: 40px; height: 40px; flex: none; display: grid; place-items: center;
  border-radius: 50% var(--tip) 50% 50%;
  background: linear-gradient(135deg, var(--leaf), #2E8A24); color: #fff;
  font-family: var(--font-display); font-weight: 600; font-size: 1.1rem;
}
.review:nth-child(even) .avatar { background: linear-gradient(135deg, var(--amber), var(--ember)); color: var(--night-900); }

/* ---------- EPC + finance ---------- */
.duo__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.panel {
  display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 28px; align-items: center;
  padding: clamp(28px, 4vw, 48px); border-radius: var(--leaf-lg);
  background: var(--paper); border: 1px solid var(--line); box-shadow: var(--shadow-sm);
}
.panel .h3 { margin-bottom: 12px; font-size: clamp(1.45rem, 1.2rem + .6vw, 1.75rem); }
.panel .btn { margin-top: 24px; }
.panel .fine { margin-top: 18px; font-size: .78rem; color: var(--ink-3); line-height: 1.5; }
.epc { display: grid; gap: 5px; width: 140px; }
.epc span {
  position: relative; display: flex; align-items: center; height: 22px; width: var(--w);
  padding-left: 9px; background: var(--c); color: #fff;
  font-weight: 800; font-size: .8rem;
  clip-path: polygon(0 0, calc(100% - 11px) 0, 100% 50%, calc(100% - 11px) 100%, 0 100%);
}
.epc span.is-dark { color: var(--night-900); }
.epc { position: relative; }
.epc__you {
  position: absolute; top: calc(3 * 27px); left: calc(71% + 8px); height: 22px;
  display: inline-flex; align-items: center; padding: 0 9px; border-radius: 999px;
  background: var(--ink); color: var(--cream);
  font-style: normal; font-size: .7rem; font-weight: 800; white-space: nowrap;
}
.epc__you::before {
  content: ""; position: absolute; left: -4px; top: 50%; width: 8px; height: 8px;
  background: inherit; transform: translateY(-50%) rotate(45deg); border-radius: 1px;
}
.panel--epc .epc { margin-right: 56px; }
.finance-art { position: relative; width: 124px; height: 124px; margin-left: 20px; }
.finance-art__drop {
  position: absolute; inset: 0; display: grid; place-items: center;
  border-radius: 50% 10px 50% 50%;
  background: radial-gradient(circle at 30% 30%, var(--amber), var(--ember) 70%);
  color: var(--night-900); box-shadow: var(--shadow-ember);
}
.finance-art__drop .i { width: 54px; height: 54px; stroke-width: 1.7; }
.finance-art__chip {
  position: absolute; left: -24px; bottom: 6px;
  padding: 7px 12px; border-radius: 999px; background: var(--ink); color: var(--cream);
  font-size: .75rem; font-weight: 800; letter-spacing: .04em; white-space: nowrap;
}

/* ---------- FAQ ---------- */
.faq__grid { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(36px, 6vw, 96px); align-items: start; }
.faq__intro { position: sticky; top: calc(var(--header-h) + 32px); }
.faq__intro .lead { margin-top: 18px; }
.help-card {
  margin-top: 32px; padding: 24px; border-radius: var(--leaf-lg);
  background: var(--paper); border: 1px solid var(--line); display: grid; gap: 12px;
}
.help-card p { color: var(--ink-2); margin-bottom: 4px; }
.help-card strong { color: var(--ink); }
.help-card__row { display: flex; align-items: center; gap: 10px; font-weight: 750; color: var(--ink); text-decoration: none; overflow-wrap: anywhere; }
.help-card__row .i { color: var(--ember-700); }
.help-card__row:hover { color: var(--ember-700); }
.faq__item { border-bottom: 1px solid var(--line-strong); }
.faq__item:first-child { border-top: 1px solid var(--line-strong); }
.faq__item summary {
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding: 22px 0; cursor: pointer; list-style: none;
  font-family: var(--font-display); font-size: clamp(1.12rem, 1rem + .4vw, 1.32rem); font-weight: 560; color: var(--ink);
  letter-spacing: -.01em;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary:hover { color: var(--ember-700); }
.faq__icon {
  position: relative; width: 34px; height: 34px; flex: none;
  border-radius: 50% var(--tip) 50% 50%; background: var(--paper); border: 1px solid var(--line-strong);
  transition: background-color .25s, border-color .25s, transform .3s var(--ease);
}
.faq__icon::before, .faq__icon::after {
  content: ""; position: absolute; left: 50%; top: 50%; width: 12px; height: 2px; margin: -1px 0 0 -6px;
  border-radius: 2px; background: var(--ink); transition: transform .3s var(--ease);
}
.faq__icon::after { transform: rotate(90deg); }
.faq__item[open] .faq__icon { background: var(--ember); border-color: var(--ember); }
.faq__item[open] .faq__icon::after { transform: rotate(0deg); }
.faq__a { padding: 0 56px 24px 0; color: var(--ink-2); }
.faq__a a { color: var(--ember-700); font-weight: 650; }
.faq__item::details-content {
  block-size: 0; overflow: hidden;
  transition: block-size .35s var(--ease), content-visibility .35s allow-discrete;
}
.faq__item[open]::details-content { block-size: auto; }

/* ---------- Final CTA + survey ---------- */
.cta-final {
  background:
    radial-gradient(55% 70% at 85% 25%, rgba(238, 119, 19, .26), transparent 65%),
    radial-gradient(45% 55% at 5% 95%, rgba(67, 171, 52, .14), transparent 70%),
    var(--night-800);
}
.cta-final__grid { display: grid; grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr); gap: clamp(40px, 6vw, 88px); align-items: start; }
.cta-final h2 { margin-bottom: 20px; font-size: clamp(2.4rem, 1.5rem + 3vw, 4.2rem); }
.checklist { display: grid; gap: 12px; margin-top: 30px; }
.checklist li { display: flex; align-items: center; gap: 12px; color: var(--cream); font-weight: 650; }
.checklist .i {
  width: 26px; height: 26px; padding: 5px; border-radius: 50% 3px 50% 50%;
  background: var(--leaf); color: var(--night-900); stroke-width: 2.8;
}
.contact-alt { display: flex; flex-wrap: wrap; gap: 14px 32px; margin-top: 36px; padding-top: 30px; border-top: 1px solid var(--line-dark); }
.contact-alt a { display: flex; align-items: center; gap: 12px; color: var(--cream); text-decoration: none; min-width: 0; }
.contact-alt a > span:last-child { min-width: 0; }
.contact-alt small { display: block; font-size: .78rem; color: var(--cream-3); font-weight: 650; }
.contact-alt strong { display: block; font-size: 1.05rem; overflow-wrap: anywhere; }
.contact-alt a:hover strong { color: var(--amber); }
.contact-alt__icon {
  width: 44px; height: 44px; flex: none; display: grid; place-items: center;
  border-radius: 50% var(--tip) 50% 50%; background: rgba(255, 246, 232, .08); color: var(--amber);
}
.van { margin-top: 44px; max-width: 440px; }
.van img { filter: drop-shadow(0 26px 22px rgba(0, 0, 0, .45)); }
.van figcaption { margin-top: 6px; font-size: .85rem; color: var(--cream-3); }
.js .van { opacity: 0; transform: translateX(-60px); transition: opacity 1s var(--ease), transform 1.2s var(--ease); }
.js .van.is-in { opacity: 1; transform: none; }

.survey-card {
  position: relative; padding: clamp(24px, 3.4vw, 40px);
  border-radius: var(--leaf-lg); background: var(--paper); color: var(--ink-2);
  box-shadow: 0 50px 100px -40px rgba(0, 0, 0, .7), 0 0 0 1px rgba(255, 255, 255, .06);
  --p: 33.333%;
}
.survey__head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; }
.survey__title { font-size: clamp(1.5rem, 1.3rem + .6vw, 1.85rem); }
.section--night .survey-card h3, .survey-card h3 { color: var(--ink); }
.survey__count { font-size: .8rem; font-weight: 800; letter-spacing: .06em; color: var(--ink-3); white-space: nowrap; }
.survey__progress { position: relative; height: 7px; margin: 16px 0 10px; border-radius: 7px; overflow: hidden; background: var(--cold-to-warm); }
.survey__progress i {
  position: absolute; top: 0; bottom: 0; right: 0; width: calc(100% - var(--p));
  background: var(--oat); transition: width .5s var(--ease);
}
.survey__hint { font-size: .9rem; color: var(--ink-3); font-weight: 600; margin-bottom: 22px; }
.survey fieldset { border: 0; margin: 0; padding: 0; min-width: 0; }
.survey__step > legend {
  display: block; width: 100%; padding: 0; margin-bottom: 16px;
  font-family: var(--font-display); font-size: 1.3rem; font-weight: 560; color: var(--ink); letter-spacing: -.01em;
}
.survey__step > legend span { display: block; margin-top: 2px; font-family: var(--font-sans); font-size: .85rem; font-weight: 600; color: var(--ink-3); letter-spacing: 0; }
.choice-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.choice { position: relative; display: block; }
.choice input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.choice span {
  display: flex; align-items: center; gap: 10px; height: 100%;
  padding: 14px 14px; border-radius: var(--leaf-sm);
  border: 1.5px solid var(--line); background: var(--linen);
  font-size: .95rem; font-weight: 700; color: var(--ink); line-height: 1.25; cursor: pointer;
  transition: border-color .2s, background-color .2s, box-shadow .2s;
}
.choice span .i { width: 22px; height: 22px; color: var(--ember-700); }
.choice span:hover { border-color: var(--line-strong); background: var(--paper); }
.choice input:checked + span { border-color: var(--ember); background: #FFF4E8; box-shadow: 0 0 0 3px rgba(238, 119, 19, .16); }
.choice input:checked + span .i { color: var(--ember); }
.choice input:focus-visible + span { outline: 3px solid var(--ink); outline-offset: 2px; }
.choice--wide { grid-column: 1 / -1; }
.field { display: grid; gap: 7px; margin-bottom: 16px; }
.field > label, .field__label { font-size: .92rem; font-weight: 750; color: var(--ink); padding: 0; }
legend.field__label { margin-bottom: 8px; }
.opt { font-weight: 550; color: var(--ink-3); }
.field input, .field select {
  width: 100%; min-height: 52px; padding: 13px 16px;
  border-radius: 12px; border: 1.5px solid var(--line); background: var(--linen); color: var(--ink);
  font-size: 1rem; transition: border-color .2s, box-shadow .2s, background-color .2s;
  -webkit-appearance: none; appearance: none;
}
.field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23132219' stroke-width='2.2' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center; background-size: 18px; padding-right: 44px;
}
.field input::placeholder { color: #9AA39C; }
.field input:hover, .field select:hover { border-color: var(--line-strong); }
.field input:focus, .field select:focus { outline: none; border-color: var(--ember); background: var(--paper); box-shadow: 0 0 0 4px rgba(238, 119, 19, .16); }
.field input[aria-invalid="true"] { border-color: #C2410C; background: #FFF7F3; }
.field__error { margin-top: 2px; font-size: .85rem; font-weight: 650; color: #B42318; }
.survey__step > .field__error { margin-top: 12px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0 12px; }
.pills { display: flex; flex-wrap: wrap; gap: 8px; }
.pill { position: relative; }
.pill input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.pill span {
  display: inline-flex; align-items: center; min-height: 42px; padding: 9px 15px;
  border-radius: 999px; border: 1.5px solid var(--line); background: var(--linen);
  font-size: .9rem; font-weight: 700; color: var(--ink); cursor: pointer;
  transition: border-color .2s, background-color .2s, color .2s;
}
.pill span:hover { border-color: var(--line-strong); }
.pill input:checked + span { background: var(--ink); border-color: var(--ink); color: var(--cream); }
.pill input:focus-visible + span { outline: 3px solid var(--amber); outline-offset: 2px; }
.check { display: flex; align-items: flex-start; gap: 10px; margin: 4px 0 6px; font-size: .92rem; font-weight: 650; color: var(--ink); cursor: pointer; }
.check input { width: 20px; height: 20px; margin: 2px 0 0; accent-color: var(--ember); flex: none; }
.survey__nav { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 22px; }
.btn-back {
  display: inline-flex; align-items: center; gap: 4px; padding: 10px 6px;
  border: 0; background: none; color: var(--ink-3); font-weight: 750; font-size: .95rem;
}
.btn-back:hover { color: var(--ink); }
.btn-back .i { width: 18px; height: 18px; stroke-width: 2.3; }
.survey__legal { margin-top: 16px; font-size: .78rem; color: var(--ink-3); line-height: 1.5; }
.survey__legal a { color: var(--ink-2); }
.survey__status {
  margin-top: 16px; padding: 12px 14px; border-radius: 12px;
  background: #FEF3F2; color: #912018; font-size: .9rem; font-weight: 600;
}
.survey__status a { color: inherit; font-weight: 800; }
.survey__assure {
  display: flex; flex-wrap: wrap; gap: 8px 22px; margin-top: 22px; padding-top: 18px;
  border-top: 1px solid var(--line); font-size: .82rem; font-weight: 650; color: var(--ink-3);
}
.survey__assure li { display: inline-flex; align-items: center; gap: 7px; }
.survey__assure .i { width: 16px; height: 16px; color: var(--leaf-700); }
.survey__success { text-align: center; padding: 24px 4px 8px; outline: none; }
.survey__success-icon {
  width: 76px; height: 76px; margin: 0 auto 18px; display: grid; place-items: center;
  border-radius: 50% 8px 50% 50%; background: var(--leaf); color: #fff;
  box-shadow: 0 16px 30px -12px rgba(67, 171, 52, .8);
  animation: popIn .6s var(--ease);
}
.survey__success-icon .i { width: 38px; height: 38px; stroke-width: 2.6; }
.survey__success h3 { font-size: 2rem; margin-bottom: 10px; }
.survey__success p { max-width: 38ch; margin: 0 auto; }
.survey__success .small { margin-top: 14px; font-size: .9rem; color: var(--ink-3); }
.survey__success a { color: var(--ember-700); font-weight: 800; }
@keyframes popIn { from { transform: scale(.6); opacity: 0; } }
.survey .btn[disabled] { opacity: .7; cursor: progress; transform: none; }
html:not(.js) [data-next], html:not(.js) [data-back],
html:not(.js) .survey__count, html:not(.js) .survey__progress, html:not(.js) .survey__hint { display: none; }
html:not(.js) .survey__step + .survey__step { margin-top: 28px; }

/* dialog version of the survey */
.survey-dialog {
  width: min(100% - 32px, 600px); max-width: 600px; max-height: calc(100dvh - 40px);
  padding: 0; border: 0; background: transparent; overflow: visible; color: inherit;
}
.survey-dialog::backdrop { background: rgba(7, 19, 13, .66); -webkit-backdrop-filter: blur(5px); backdrop-filter: blur(5px); }
.survey-dialog[open] { animation: dialogIn .4s var(--ease); }
@keyframes dialogIn { from { opacity: 0; transform: translateY(18px) scale(.98); } }
.dialog__body { max-height: calc(100dvh - 40px); overflow-y: auto; border-radius: var(--leaf-lg); overscroll-behavior: contain; }
.dialog__close {
  position: absolute; z-index: 2; top: -16px; right: -16px;
  width: 46px; height: 46px; display: grid; place-items: center;
  border: 0; border-radius: 50%; background: var(--ink); color: var(--cream);
  box-shadow: 0 10px 24px -8px rgba(0, 0, 0, .5);
}
.dialog__close .i { width: 20px; height: 20px; stroke-width: 2.4; }
.dialog__close:hover { background: var(--ember); color: var(--night-900); }
html.dialog-open { overflow: hidden; }

/* ---------- Footer ---------- */
.site-footer { background: var(--night-950); color: var(--cream-3); padding-block: clamp(64px, 7vw, 96px) 32px; font-size: .95rem; }
.footer__top { display: grid; grid-template-columns: 1.35fr 1fr 1fr 1.2fr; gap: 40px; }
.footer__brand img { width: 190px; height: auto; }
.footer__brand p { margin-top: 18px; max-width: 32ch; color: var(--cream-2); }
.socials { display: flex; gap: 10px; margin-top: 24px; }
.socials a {
  width: 44px; height: 44px; display: grid; place-items: center;
  border-radius: 50% var(--tip) 50% 50%;
  background: rgba(255, 246, 232, .07); color: var(--cream);
  transition: background-color .2s, color .2s, transform .2s var(--ease);
}
.socials a:hover { background: var(--ember); color: var(--night-900); transform: translateY(-2px); }
.socials .i { width: 20px; height: 20px; }
.footer__col h2 {
  font-family: var(--font-sans); font-size: .76rem; font-weight: 800; letter-spacing: .16em;
  text-transform: uppercase; color: var(--amber); margin-bottom: 18px;
}
.footer__col ul { display: grid; gap: 10px; }
.footer__col a { color: var(--cream-2); text-decoration: none; }
.footer__col a:hover { color: var(--cream); text-decoration: underline; }
.footer__contact li { display: flex; align-items: flex-start; gap: 10px; color: var(--cream-2); }
.footer__contact a { display: inline-flex; align-items: center; gap: 10px; overflow-wrap: anywhere; }
.footer__contact .i { width: 18px; height: 18px; color: var(--amber); margin-top: 3px; }
.footer__contact a .i { margin-top: 0; }
.footer__formerly { margin-top: 20px; font-size: .82rem; color: var(--cream-3); font-style: italic; }
.footer__legal { margin-top: 56px; padding-top: 28px; border-top: 1px solid var(--line-dark); font-size: .8rem; line-height: 1.6; }
.footer__legal > p { max-width: 110ch; }
.footer__bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px; margin-top: 18px; }
.footer__bottom ul { display: flex; flex-wrap: wrap; gap: 8px 20px; }
.footer__bottom a { color: var(--cream-3); text-decoration: none; }
.footer__bottom a:hover { color: var(--cream); text-decoration: underline; }

/* ---------- Simple pages (thank you, 404) ---------- */
.simple-main {
  min-height: calc(100vh - var(--header-h)); display: grid; place-items: center;
  padding-block: 72px;
  background: radial-gradient(60% 60% at 50% 0%, rgba(238, 119, 19, .14), transparent 70%), var(--linen);
}
.simple-card { max-width: 660px; text-align: center; }
.simple-card .eyebrow { justify-content: center; }
.simple-card h1 { font-size: clamp(2.6rem, 1.6rem + 4vw, 4.4rem); line-height: 1; margin-bottom: 20px; }
.simple-card .lead { margin-bottom: 16px; }
.simple-card > p:not(.eyebrow):not(.lead) { margin-bottom: 30px; }
.simple-card a:not(.btn) { color: var(--ember-700); font-weight: 700; }
.simple-card .hero__ctas { justify-content: center; }
.simple-page .survey__success-icon { margin-bottom: 26px; }

/* ---------- Mobile sticky CTA ---------- */
.mobile-cta {
  position: fixed; z-index: 50; left: 12px; right: 12px;
  bottom: calc(12px + env(safe-area-inset-bottom));
  display: none; grid-template-columns: auto 1fr; gap: 8px; padding: 8px;
  border-radius: 22px var(--tip) 22px 22px;
  background: rgba(16, 37, 26, .94);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  box-shadow: 0 24px 50px -16px rgba(0, 0, 0, .55);
  transform: translateY(160%); transition: transform .45s var(--ease);
}
.mobile-cta.is-visible { transform: none; }
.mobile-cta__call {
  display: inline-flex; align-items: center; gap: 8px; padding: 0 18px;
  border-radius: 14px 4px 14px 14px; background: rgba(255, 246, 232, .1);
  color: var(--cream); font-weight: 750; text-decoration: none;
}
.mobile-cta__call .i { color: var(--amber); }
.mobile-cta .btn { min-height: 50px; }

/* ---------- Reveal on scroll ---------- */
.js [data-reveal] {
  opacity: 0; transform: translateY(26px);
  transition: opacity .9s var(--ease), transform .9s var(--ease);
  transition-delay: var(--d, 0s);
}
.js [data-reveal].is-in { opacity: 1; transform: none; }
.js .lossbar span { transform: scaleX(0); transition: transform 1.1s var(--ease); transition-delay: calc(.25s + var(--i) * .12s); }
.js .is-in .lossbar span { transform: none; }
.js .steps::before { transform: scaleX(0); transition: transform 1.8s var(--ease) .2s; }
.js .steps.is-in::before { transform: none; }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1180px) {
  .nav a { padding: 10px 9px; font-size: .92rem; }
  .header__phone-text small { display: none; }
  .float-review { left: -12px; }
}

@media (max-width: 1040px) {
  :root { --header-h: 68px; }
  .nav, .header__phone-text { display: none; }
  .header__phone { margin-left: auto; padding: 0; }
  .header__phone-icon { width: 46px; height: 46px; }
  .nav-toggle { display: grid; }
  .brand img { height: 44px; }

  .hero__grid { grid-template-columns: 1fr; }
  .hero__copy { max-width: 720px; }
  .hero__visual { max-width: 640px; width: 100%; margin-inline: auto; margin-top: 64px; }
  .float-chip { right: 8px; top: -54px; }
  .float-review { left: 12px; bottom: 2px; }

  .proof__list { grid-template-columns: repeat(3, auto); justify-content: start; gap: 18px 36px; }

  .heatloss__grid, .properla__grid, .cta-final__grid, .faq__grid { grid-template-columns: 1fr; }
  .faq__intro, .reviews__summary { position: static; }
  .section-head--split { grid-template-columns: 1fr; }

  .bento { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .card--wide { grid-column: span 2; }

  .results__grid { grid-template-columns: 1fr; }
  .result--feature { max-width: 640px; }
  .results__side { grid-template-columns: 1fr 1fr; align-items: start; }

  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 40px 28px; }
  .steps::before { display: none; }

  .reviews__grid { grid-template-columns: 1fr; }
  .duo__grid { grid-template-columns: 1fr; }

  .cta-final__copy { max-width: 640px; }
  .survey-slot { max-width: 640px; }
  .van { display: none; }

  .footer__top { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }

  .mobile-cta { display: grid; }
  .site-footer { padding-bottom: calc(110px + env(safe-area-inset-bottom)); }
}

@media (max-width: 720px) {
  body { font-size: 1rem; }
  .announce { font-size: .82rem; }
  .announce__inner { padding-block: 8px; }
  .announce p { gap: 2px 8px; }
  .announce p > .i { display: none; }
  .header__cta { display: none; }
  .eyebrow--pill { font-size: .68rem; letter-spacing: .07em; padding: 7px 12px 7px 10px; }

  .hero { padding-top: 28px; }
  .hero h1 { margin: 18px 0 18px; }
  .hero__ctas .btn { flex: 1 1 100%; }
  .hero__trust { gap: 10px 18px; font-size: .9rem; }
  .float-chip { display: none; }
  .float-review { position: relative; left: auto; bottom: auto; margin: 18px 0 0; max-width: none; animation: none; }
  .thermal__caption { margin-top: 14px; padding-left: 0; text-align: center; }
  .compare__tag { font-size: .7rem; padding: 6px 9px; top: 10px; left: 10px; }
  .compare__tag--after { left: auto; right: 10px; }
  .compare--thermal .compare__tag { gap: 4px; }
  .thermal__scale { right: 10px; bottom: 10px; font-size: .58rem; padding: 6px 9px; gap: 6px; }
  .thermal__scale i { width: 54px; height: 5px; }
  .compare__knob { width: 46px; height: 46px; margin: -23px 0 0 -23px; }

  .proof__list { grid-template-columns: 1fr 1fr; gap: 16px 18px; }
  .proof__item:last-child { grid-column: 1 / -1; }

  .bento { grid-template-columns: 1fr; }
  .card--wide { grid-column: auto; flex-direction: column; }
  .card--wide .card__media { aspect-ratio: 4 / 3; flex: none; min-height: 0; }
  .card__foot { flex-direction: row; }

  .results__side { grid-template-columns: 1fr; }
  .pairs { grid-template-columns: 1fr; }

  .stats { grid-template-columns: 1fr; }
  .stats li { display: flex; align-items: baseline; gap: 12px; padding: 14px 16px; }
  .stats span { margin-top: 0; }

  .steps { grid-template-columns: 1fr; gap: 0; padding-left: 0; }
  .step { display: grid; grid-template-columns: 58px 1fr; column-gap: 18px; padding-bottom: 34px; }
  .step::before {
    content: ""; position: absolute; left: 28px; top: 58px; bottom: 0; width: 3px;
    background: linear-gradient(var(--c), transparent); border-radius: 3px;
  }
  .step:last-child::before { display: none; }
  .step__num { grid-row: span 3; }
  .step h3 { margin: 12px 0 8px; }

  .review-wall { columns: 1; }
  .panel { grid-template-columns: 1fr; }
  .panel--epc .epc { margin-right: 0; order: -1; width: 200px; }
  .finance-art { order: -1; width: 110px; height: 110px; margin-left: 24px; }
  .finance-art__drop .i { width: 48px; height: 48px; }

  .lossbar { height: 52px; }
  .lossbar span { font-size: 0; padding: 0; }
  .losslist li { grid-template-columns: 14px 1fr auto; gap: 12px; }
  .big-stat { grid-template-columns: 1fr; gap: 10px; }

  .faq__a { padding-right: 0; }
  .choice-grid { gap: 8px; }
  .choice span { padding: 12px 10px; gap: 8px; font-size: .88rem; }
  .choice span .i { width: 19px; height: 19px; }
  .survey__step > legend { font-size: 1.2rem; line-height: 1.25; }
  .field-row { grid-template-columns: 1fr; }
  .survey__nav .btn { flex: 1; }

  .footer__top { grid-template-columns: 1fr; gap: 32px; }
  .footer__bottom { flex-direction: column; }

  .survey-dialog { width: 100%; max-width: 100%; max-height: 100dvh; height: 100dvh; margin: 0; }
  .dialog__body { max-height: 100dvh; height: 100%; border-radius: 0; }
  .survey-dialog .survey-card { border-radius: 0; min-height: 100%; padding-top: 64px; box-shadow: none; }
  .dialog__close { top: calc(10px + env(safe-area-inset-top)); right: 12px; }
}

@media (max-width: 380px) {
  .brand img { height: 38px; }
  .header__inner { gap: 10px; }
  .proof__list { grid-template-columns: 1fr; }
  .proof__item:last-child { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .plume, .wave { opacity: 0; }
  .js [data-reveal], .js .van { opacity: 1; transform: none; }
  .js .lossbar span, .js .steps::before { transform: none; }
}

@media print {
  .announce, .site-header, .mobile-cta, .survey-dialog, .video__play { display: none !important; }
  .section--night, .site-footer { background: #fff !important; color: #000 !important; }
}