/* ==========================================================================
   Abid Aziz | Domestic Energy Assessor, Stoke-on-Trent
   Design system and page styles
   --------------------------------------------------------------------------
   Palette is derived from the official EPC band colours so the site looks
   like the document the customer is actually buying.
   ========================================================================== */

/* --------------------------------------------------------------------------
   0. Faces. Self hosted so there is no third party round trip before first paint.
   -------------------------------------------------------------------------- */
@font-face {
  font-family: "Cabinet Grotesk";
  src: url("../fonts/cabinet-grotesk-700.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Cabinet Grotesk";
  src: url("../fonts/cabinet-grotesk-800.woff2") format("woff2");
  font-weight: 800;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Satoshi";
  src: url("../fonts/satoshi-400.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Satoshi";
  src: url("../fonts/satoshi-500.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Satoshi";
  src: url("../fonts/satoshi-700.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
/* Variable file, one request covers 400 and 500 */
@font-face {
  font-family: "JetBrains Mono";
  src: url("../fonts/jetbrains-mono.woff2") format("woff2");
  font-weight: 100 800;
  font-style: normal;
  font-display: swap;
}

/* --------------------------------------------------------------------------
   1. Tokens
   -------------------------------------------------------------------------- */
:root {
  /* Surfaces */
  --paper:        #eef1ea;
  --paper-deep:   #e3e8de;
  --card:         #ffffff;
  --ink:          #0e1f18;
  --ink-soft:     #2f443b;
  --muted:        #5d7168;
  --line:         #d5dccf;
  --line-strong:  #b9c4b3;

  /* Brand, taken from EPC bands A and B */
  --green:        #00714a;
  --green-deep:   #004c31;
  --green-live:   #19b459;
  --amber:        #ffce1f;
  --whatsapp:     #25d366;

  /* Official EPC band colours */
  --band-a: #008054;
  --band-b: #19b459;
  --band-c: #8dce46;
  --band-d: #ffd500;
  --band-e: #fcaa65;
  --band-f: #ef8023;
  --band-g: #e9153b;

  /* Type */
  --display: "Cabinet Grotesk", "Trebuchet MS", system-ui, sans-serif;
  --body:    "Satoshi", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono:    "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  /* Scale. Body lands at 16px on mobile and 17px on desktop. */
  --step-xs:  clamp(0.72rem, 0.7rem + 0.12vw, 0.78rem);
  --step-sm:  clamp(0.875rem, 0.85rem + 0.2vw, 0.95rem);
  --step-0:   clamp(1rem, 0.97rem + 0.11vw, 1.0625rem);
  --step-1:   clamp(1.16rem, 1.09rem + 0.34vw, 1.32rem);
  --step-2:   clamp(1.42rem, 1.28rem + 0.68vw, 1.8rem);
  --step-3:   clamp(1.8rem, 1.52rem + 1.35vw, 2.55rem);
  --step-4:   clamp(2.2rem, 1.68rem + 2.55vw, 3.85rem);

  /* Rhythm */
  --gutter: clamp(1.15rem, 4vw, 2.5rem);
  --shell: 1180px;
  --section-y: clamp(3.75rem, 8vw, 6.75rem);

  /* Depth */
  --radius: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 1px 2px rgba(14, 31, 24, .06), 0 4px 14px rgba(14, 31, 24, .05);
  --shadow-md: 0 2px 6px rgba(14, 31, 24, .07), 0 18px 44px rgba(14, 31, 24, .09);
  --shadow-lift: 0 4px 10px rgba(14, 31, 24, .09), 0 26px 60px rgba(14, 31, 24, .14);

  /* Motion */
  --ease: cubic-bezier(.2, .7, .25, 1);
  --ease-out: cubic-bezier(.16, 1, .3, 1);
  --fast: 160ms;
  --mid: 320ms;
  --slow: 720ms;
}

/* --------------------------------------------------------------------------
   2. Reset and base
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

* { margin: 0; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  interpolate-size: allow-keywords;
}

body {
  font-family: var(--body);
  font-size: var(--step-0);
  line-height: 1.62;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg, video { display: block; max-width: 100%; height: auto; }
button, input, textarea, select { font: inherit; color: inherit; }
a { color: inherit; }

/* Cabinet Grotesk is already tight, so the tracking stays close to neutral */
h1, h2, h3, h4 {
  font-family: var(--display);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.012em;
  text-wrap: balance;
}

h1 { font-size: var(--step-4); font-weight: 800; letter-spacing: -0.018em; }
h2 { font-size: var(--step-3); }
h3 { font-size: var(--step-1); letter-spacing: -0.008em; }

p { text-wrap: pretty; }

:focus-visible {
  outline: 3px solid var(--green);
  outline-offset: 3px;
  border-radius: 4px;
}

::selection { background: var(--amber); color: var(--ink); }

/* Smooth page to page transitions where the browser supports it */
@view-transition { navigation: auto; }

/* --------------------------------------------------------------------------
   3. Layout primitives
   -------------------------------------------------------------------------- */
.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.shell--narrow { max-width: 820px; }

.section { padding-block: var(--section-y); }
.section--tight { padding-block: clamp(2.5rem, 5vw, 4rem); }
.section--paper { background: var(--paper-deep); }
.section--ink { background: var(--ink); color: #e6ece7; }
.section--card { background: var(--card); }

/* Visible to screen readers only */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.skip {
  position: absolute;
  left: 1rem;
  top: -5rem;
  z-index: 999;
  background: var(--ink);
  color: #fff;
  padding: .7rem 1.1rem;
  border-radius: 8px;
  transition: top var(--fast) var(--ease);
}
.skip:focus { top: 1rem; }

/* Eyebrow label, set in mono to echo the official register data on a certificate */
.eyebrow {
  font-family: var(--mono);
  font-size: var(--step-xs);
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--green);
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  margin-bottom: 1.15rem;
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--green);
  flex: none;
}
.section--ink .eyebrow { color: var(--band-c); }
.section--ink .eyebrow::before { background: var(--band-c); }

.lede {
  font-size: var(--step-1);
  line-height: 1.5;
  color: var(--ink-soft);
  max-width: 60ch;
}
.section--ink .lede { color: #b9c9c0; }

.prose p + p { margin-top: 1.1em; }
.prose p { color: var(--ink-soft); max-width: 68ch; }

.head-block { max-width: 62ch; margin-bottom: clamp(2rem, 4vw, 3.25rem); }
.head-block p { margin-top: 1.1rem; color: var(--muted); }
.section--ink .head-block p { color: #a9bcb2; }

/* --------------------------------------------------------------------------
   4. Buttons
   -------------------------------------------------------------------------- */
.btn {
  --btn-bg: var(--green);
  --btn-fg: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .6rem;
  padding: .95rem 1.6rem;
  background: var(--btn-bg);
  color: var(--btn-fg);
  border: 1.5px solid transparent;
  border-radius: 999px;
  font-weight: 600;
  font-size: var(--step-sm);
  letter-spacing: -0.005em;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  transition: transform var(--fast) var(--ease),
              box-shadow var(--fast) var(--ease),
              background-color var(--fast) var(--ease);
  box-shadow: 0 2px 0 var(--green-deep);
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 4px 0 var(--green-deep), var(--shadow-md); }
.btn:active { transform: translateY(1px); box-shadow: 0 1px 0 var(--green-deep); }

.btn svg { width: 18px; height: 18px; flex: none; }
.btn .arrow { transition: transform var(--mid) var(--ease-out); }
.btn:hover .arrow { transform: translateX(4px); }

.btn--ghost {
  --btn-bg: transparent;
  --btn-fg: var(--ink);
  border-color: var(--line-strong);
  box-shadow: none;
}
.btn--ghost:hover {
  border-color: var(--ink);
  background: rgba(14, 31, 24, .04);
  box-shadow: var(--shadow-sm);
}

.btn--wa { --btn-bg: var(--whatsapp); --btn-fg: #06301a; box-shadow: 0 2px 0 #12994a; }
.btn--wa:hover { box-shadow: 0 4px 0 #12994a, var(--shadow-md); }
.btn--wa:active { box-shadow: 0 1px 0 #12994a; }

.btn--light { --btn-bg: #fff; --btn-fg: var(--ink); box-shadow: 0 2px 0 rgba(0,0,0,.25); }
.btn--lg { padding: 1.1rem 2rem; font-size: var(--step-0); }
.btn--block { width: 100%; }

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
  margin-top: 2rem;
}

/* Plain text link with an underline that grows on hover */
.tlink {
  color: var(--green);
  font-weight: 600;
  text-decoration: none;
  background-image: linear-gradient(currentColor, currentColor);
  background-size: 100% 1.5px;
  background-repeat: no-repeat;
  background-position: 0 100%;
  padding-bottom: 2px;
  transition: background-size var(--mid) var(--ease-out);
}
.tlink:hover { background-size: 0% 1.5px; background-position: 100% 100%; }

/* --------------------------------------------------------------------------
   5. Site header
   -------------------------------------------------------------------------- */
.header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--mid) var(--ease), background-color var(--mid) var(--ease);
  view-transition-name: site-header;
}
.header.is-stuck {
  border-bottom-color: var(--line);
  background: color-mix(in srgb, var(--paper) 96%, transparent);
}

.header__inner {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  min-height: 74px;
  padding-block: .7rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .7rem;
  text-decoration: none;
  margin-right: auto;
}
.brand__mark {
  width: 38px;
  height: 38px;
  flex: none;
  border-radius: 9px;
  background: var(--green);
  color: #fff;
  display: grid;
  place-items: center;
  box-shadow: 0 2px 0 var(--green-deep);
}
.brand__mark svg { width: 23px; height: 23px; }
/* The leaf tips on hover, nothing more */
.brand__leaf {
  transform-box: view-box;
  transform-origin: 12px 5px;
  transition: transform 300ms var(--ease-out);
}
.brand:hover .brand__leaf,
.brand:focus-visible .brand__leaf { transform: rotate(6deg); }
.brand__name {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.12rem;
  letter-spacing: -0.018em;
  line-height: 1.1;
  display: block;
}
.brand__role {
  font-family: var(--mono);
  font-size: .64rem;
  letter-spacing: .11em;
  text-transform: uppercase;
  color: var(--muted);
  display: block;
  margin-top: 2px;
}

.nav { display: flex; align-items: center; gap: .25rem; }
.nav a {
  position: relative;
  padding: .55rem .85rem;
  font-size: var(--step-sm);
  font-weight: 500;
  text-decoration: none;
  color: var(--ink-soft);
  border-radius: 8px;
  transition: color var(--fast) var(--ease);
}
.nav a::after {
  content: "";
  position: absolute;
  left: .85rem;
  right: .85rem;
  bottom: .3rem;
  height: 2px;
  background: var(--green);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--mid) var(--ease-out);
}
.nav a:hover { color: var(--ink); }
.nav a:hover::after, .nav a[aria-current="page"]::after { transform: scaleX(1); }
.nav a[aria-current="page"] { color: var(--ink); font-weight: 600; }

.header__cta { display: flex; align-items: center; gap: .6rem; }

.header__phone {
  font-family: var(--mono);
  font-size: var(--step-sm);
  font-weight: 500;
  text-decoration: none;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .5rem .2rem;
}
.header__phone svg { width: 16px; height: 16px; color: var(--green); }
.header__phone:hover { color: var(--green); }

.burger {
  display: none;
  width: 44px;
  height: 44px;
  border: 1.5px solid var(--line-strong);
  background: transparent;
  border-radius: 11px;
  cursor: pointer;
  padding: 0;
  place-items: center;
}
.burger span {
  display: block;
  width: 18px;
  height: 1.8px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform var(--mid) var(--ease), opacity var(--fast) linear;
}
.burger span + span { margin-top: 4.5px; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.3px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.3px) rotate(-45deg); }

/* --------------------------------------------------------------------------
   6. Hero
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  padding-block: clamp(2.75rem, 6vw, 5.5rem) clamp(3rem, 7vw, 6rem);
  overflow: hidden;
}
/* Faint survey grid, a nod to the measured drawing behind every assessment */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(14, 31, 24, .045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(14, 31, 24, .045) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: linear-gradient(to bottom, #000 0%, transparent 78%);
  pointer-events: none;
}

.hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: clamp(2rem, 5vw, 4.25rem);
  align-items: center;
}

.hero h1 { margin-bottom: 1.35rem; }
/* Highlighter pass in EPC band D yellow. Uses a background so the mark
   follows the text when the heading wraps, rather than forcing one long line. */
.hero h1 .accent {
  background-image: linear-gradient(var(--amber), var(--amber));
  background-repeat: no-repeat;
  background-position: 0 88%;
  background-size: 0% 0.3em;
  padding-inline: 0.06em;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
  animation: sweep 820ms var(--ease-out) 480ms forwards;
}
@keyframes sweep { to { background-size: 100% 0.3em; } }

.hero__sub { font-size: var(--step-1); color: var(--ink-soft); max-width: 46ch; line-height: 1.5; }

.hero__trust {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1.4rem;
  margin-top: 2.1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  font-size: var(--step-sm);
  color: var(--muted);
}
.hero__trust span { display: inline-flex; align-items: center; gap: .45rem; }
.hero__trust svg { width: 15px; height: 15px; color: var(--green); flex: none; }

/* --------------------------------------------------------------------------
   7. Signature element: the interactive EPC band chart
   -------------------------------------------------------------------------- */
.epc {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(1.15rem, 2.5vw, 1.75rem);
  box-shadow: var(--shadow-lift);
}

.epc__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: .9rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}
.epc__title {
  font-family: var(--display);
  font-weight: 700;
  font-size: var(--step-0);
  letter-spacing: -0.012em;
}
.epc__hint {
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
}

.epc__scale { display: flex; flex-direction: column; gap: 6px; }

.band {
  --w: 100%;
  --fill: var(--band-g);
  --fg: #fff;
  position: relative;
  display: flex;
  align-items: center;
  gap: .7rem;
  width: var(--w);
  min-width: 118px;
  padding: .62rem .85rem;
  background: var(--fill);
  color: var(--fg);
  border: 0;
  border-radius: 5px 0 0 5px;
  cursor: pointer;
  text-align: left;
  transform-origin: left center;
  transition: transform var(--mid) var(--ease-out), filter var(--fast) var(--ease);
  animation: bandIn var(--slow) var(--ease-out) backwards;
}
/* Arrow head, the shape that makes an EPC chart instantly recognisable */
.band::after {
  content: "";
  position: absolute;
  left: 100%;
  top: 0;
  bottom: 0;
  width: 20px;
  background: var(--fill);
  clip-path: polygon(0 0, 0 100%, 100% 50%);
}
.band:hover { transform: translateX(4px); }
/* The selected outline is built from stacked drop shadows so it hugs the
   arrow head rather than boxing it in, which a border would do. */
.band[aria-selected="true"] {
  transform: translateX(9px);
  filter:
    drop-shadow(2px 0 0 var(--ink)) drop-shadow(-2px 0 0 var(--ink))
    drop-shadow(0 2px 0 var(--ink)) drop-shadow(0 -2px 0 var(--ink));
}

@keyframes bandIn {
  from { opacity: 0; transform: translateX(-26px) scaleX(.82); }
  to   { opacity: 1; transform: translateX(0) scaleX(1); }
}

.band__letter {
  font-family: var(--display);
  font-weight: 800;
  font-size: 1.35rem;
  line-height: 1;
  letter-spacing: -0.024em;
}
.band__range {
  font-family: var(--mono);
  font-size: .74rem;
  opacity: .92;
  letter-spacing: .01em;
}

.band--a { --fill: var(--band-a); --w: 44%; --fg: #fff; }
.band--b { --fill: var(--band-b); --w: 53%; --fg: #fff; }
.band--c { --fill: var(--band-c); --w: 62%; --fg: #12300a; }
.band--d { --fill: var(--band-d); --w: 71%; --fg: #3a2f00; }
.band--e { --fill: var(--band-e); --w: 80%; --fg: #46220a; }
.band--f { --fill: var(--band-f); --w: 89%; --fg: #3d1902; }
.band--g { --fill: var(--band-g); --w: 96%; --fg: #fff; }

.epc__readout {
  margin-top: 1.15rem;
  padding: 1rem 1.1rem;
  background: var(--paper);
  border-radius: 12px;
  font-size: var(--step-sm);
  line-height: 1.55;
  color: var(--ink-soft);
  min-height: 5.6rem;
}
.epc__readout strong { color: var(--ink); font-weight: 600; }
.epc__readout .flag {
  display: inline-block;
  margin-top: .55rem;
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: .22rem .55rem;
  border-radius: 5px;
  background: var(--ink);
  color: #fff;
}
.epc__readout .flag[data-tone="warn"] { background: var(--band-g); }
.epc__readout .flag[data-tone="target"] { background: var(--green); }

/* --------------------------------------------------------------------------
   8. Cards, grids, list blocks
   -------------------------------------------------------------------------- */
.grid { display: grid; gap: clamp(1rem, 2vw, 1.5rem); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(1.3rem, 2.4vw, 1.85rem);
  transition: transform var(--mid) var(--ease-out), box-shadow var(--mid) var(--ease-out), border-color var(--mid) var(--ease);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--line-strong); }
.card h3 { margin-bottom: .6rem; }
.card p { color: var(--muted); font-size: var(--step-sm); line-height: 1.6; }

.card__icon {
  width: 42px;
  height: 42px;
  border-radius: 11px;
  display: grid;
  place-items: center;
  background: color-mix(in srgb, var(--green) 12%, transparent);
  color: var(--green);
  margin-bottom: 1.1rem;
}
.card__icon svg { width: 21px; height: 21px; }

/* Numbered process steps. The numbers earn their place because the order matters. */
.steps { counter-reset: step; }
.step {
  position: relative;
  padding-top: 1.5rem;
  border-top: 2px solid var(--ink);
}
.step::before {
  counter-increment: step;
  content: "0" counter(step);
  font-family: var(--mono);
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--green);
  display: block;
  margin-bottom: .85rem;
}
.step h3 { margin-bottom: .55rem; }
.step p { color: var(--muted); font-size: var(--step-sm); }

/* Checklist */
.ticks { list-style: none; padding: 0; display: grid; gap: .8rem; }
.ticks li {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: .8rem;
  align-items: start;
  color: var(--ink-soft);
  font-size: var(--step-sm);
  line-height: 1.55;
}
.ticks li::before {
  content: "";
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--green) 13%, transparent);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2300714a' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E");
  background-size: 13px;
  background-repeat: no-repeat;
  background-position: center;
  margin-top: 1px;
}
.section--ink .ticks li { color: #c4d3cb; }

/* Stat row */
.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.stat { background: var(--card); padding: 1.4rem 1.25rem; }
.stat__k {
  font-family: var(--display);
  font-weight: 800;
  font-size: var(--step-2);
  letter-spacing: -0.02em;
  line-height: 1;
  color: var(--green);
  display: block;
}
.stat__v {
  display: block;
  margin-top: .5rem;
  font-size: var(--step-sm);
  color: var(--muted);
  line-height: 1.45;
}

/* Area chips for local coverage */
.chips { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1.75rem; }
.chip {
  font-size: var(--step-sm);
  padding: .42rem .85rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--card);
  color: var(--ink-soft);
  transition: border-color var(--fast) var(--ease), color var(--fast) var(--ease), transform var(--fast) var(--ease);
}
.chip:hover { border-color: var(--green); color: var(--green); transform: translateY(-2px); }

/* Pull quote panel for the landlord deadline */
.alert {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  gap: clamp(1.75rem, 4vw, 3.5rem);
  align-items: center;
  background: var(--ink);
  color: #e6ece7;
  border-radius: var(--radius-lg);
  padding: clamp(1.75rem, 4vw, 3.25rem);
  position: relative;
  overflow: hidden;
}
.alert::before {
  content: "";
  position: absolute;
  inset-inline: 0;
  top: 0;
  height: 5px;
  background: linear-gradient(90deg, var(--band-a), var(--band-b), var(--band-c), var(--band-d), var(--band-e), var(--band-f), var(--band-g));
}
.alert h2 { color: #fff; }
.alert p { color: #b9c9c0; }

.timeline { display: grid; gap: 1px; background: rgba(255,255,255,.14); border-radius: 12px; overflow: hidden; }
.timeline__row {
  background: #163026;
  padding: 1rem 1.15rem;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: baseline;
}
.timeline__when {
  font-family: var(--mono);
  font-size: .78rem;
  color: var(--amber);
  letter-spacing: .04em;
  white-space: nowrap;
}
.timeline__what { font-size: var(--step-sm); color: #cfdcd5; line-height: 1.5; }
.timeline__row.is-now { background: #1c3d30; }

/* Reviews */
.quote {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(1.4rem, 2.5vw, 1.9rem);
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}
.quote__stars { display: flex; gap: 2px; color: var(--amber); }
.quote__stars svg { width: 17px; height: 17px; }
.quote blockquote {
  font-family: var(--display);
  font-size: var(--step-1);
  font-weight: 500;
  line-height: 1.34;
  letter-spacing: -0.008em;
  color: var(--ink);
  margin: 0;
}
.quote figcaption {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: auto;
  padding-top: .5rem;
  border-top: 1px solid var(--line);
}

/* Pricing */
.price-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.price {
  background: var(--card);
  padding: clamp(1.4rem, 3vw, 2rem);
  transition: background-color var(--mid) var(--ease);
}
.price:hover { background: #fbfdfa; }
.price__type { font-family: var(--mono); font-size: .74rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.price__fig {
  font-family: var(--display);
  font-weight: 800;
  font-size: var(--step-3);
  letter-spacing: -0.024em;
  line-height: 1;
  margin: .8rem 0 .55rem;
  display: block;
}
.price__from {
  display: block;
  font-family: var(--body);
  font-size: .3em;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--muted);
  margin-bottom: .45rem;
}
.price p { font-size: var(--step-sm); color: var(--muted); }
.price--featured { background: #f3f9f2; box-shadow: inset 0 0 0 2px var(--green); }
.price--featured:hover { background: #eff7ee; }

/* --------------------------------------------------------------------------
   9. FAQ, using native details so the answers stay in the page for search
   -------------------------------------------------------------------------- */
.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding: 1.35rem 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--display);
  font-weight: 600;
  font-size: var(--step-1);
  letter-spacing: -0.008em;
  transition: color var(--fast) var(--ease);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary:hover { color: var(--green); }
.faq summary::after {
  content: "";
  width: 26px;
  height: 26px;
  flex: none;
  border-radius: 50%;
  border: 1.5px solid var(--line-strong);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230e1f18' stroke-width='2.5' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E");
  background-size: 13px;
  background-repeat: no-repeat;
  background-position: center;
  transition: transform var(--mid) var(--ease-out), border-color var(--fast) var(--ease);
}
.faq details[open] summary::after { transform: rotate(135deg); border-color: var(--green); }
.faq__body { padding-bottom: 1.5rem; color: var(--ink-soft); font-size: var(--step-sm); line-height: 1.65; max-width: 72ch; }
.faq__body p + p { margin-top: .9em; }

.faq details::details-content {
  block-size: 0;
  overflow: hidden;
  transition: block-size var(--mid) var(--ease-out), content-visibility var(--mid) allow-discrete;
}
.faq details[open]::details-content { block-size: auto; }

/* --------------------------------------------------------------------------
   10. Forms
   -------------------------------------------------------------------------- */
.form-panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(1.4rem, 3.5vw, 2.6rem);
  box-shadow: var(--shadow-md);
}

.form { display: grid; gap: 1.05rem; }
.form__row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.05rem; }

.field { display: grid; gap: .4rem; }
.field label {
  font-size: var(--step-xs);
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  font-family: var(--mono);
  color: var(--muted);
}
.field label .opt { text-transform: none; letter-spacing: 0; font-weight: 400; }

.field input, .field textarea, .field select {
  width: 100%;
  padding: .82rem .95rem;
  background: var(--paper);
  border: 1.5px solid var(--line);
  border-radius: 10px;
  font-size: var(--step-sm);
  transition: border-color var(--fast) var(--ease), background-color var(--fast) var(--ease), box-shadow var(--fast) var(--ease);
}
.field input:hover, .field textarea:hover, .field select:hover { border-color: var(--line-strong); }
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none;
  background: #fff;
  border-color: var(--green);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--green) 16%, transparent);
}
.field textarea { resize: vertical; min-height: 108px; }

.field select {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 2.6rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235d7168' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right .95rem center;
  background-size: 15px;
  cursor: pointer;
}
.field input::placeholder, .field textarea::placeholder { color: #9aa9a1; }

.field.is-invalid input, .field.is-invalid textarea { border-color: var(--band-g); }
.field__error {
  font-size: var(--step-xs);
  color: var(--band-g);
  font-weight: 500;
  display: none;
}
.field.is-invalid .field__error { display: block; }

.form__note { font-size: var(--step-xs); color: var(--muted); line-height: 1.5; }

/* Honeypot, hidden from people but tempting to bots */
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.form-status {
  display: none;
  padding: 1rem 1.15rem;
  border-radius: 12px;
  font-size: var(--step-sm);
  line-height: 1.55;
}
.form-status.is-visible { display: block; }
.form-status[data-tone="ok"] { background: color-mix(in srgb, var(--green) 12%, transparent); color: var(--green-deep); border: 1px solid color-mix(in srgb, var(--green) 30%, transparent); }
.form-status[data-tone="bad"] { background: #fdeaee; color: #a20d27; border: 1px solid #f6c2cc; }

/* --------------------------------------------------------------------------
   11. Contact rail
   -------------------------------------------------------------------------- */
.contact-list { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.contact-item {
  background: var(--card);
  padding: 1.15rem 1.3rem;
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 1rem;
  align-items: center;
  text-decoration: none;
  transition: background-color var(--fast) var(--ease);
}
a.contact-item:hover { background: #f5faf3; }
.contact-item__icon {
  width: 38px; height: 38px;
  border-radius: 10px;
  display: grid; place-items: center;
  background: color-mix(in srgb, var(--green) 12%, transparent);
  color: var(--green);
}
.contact-item__icon svg { width: 18px; height: 18px; }
.contact-item__k { font-family: var(--mono); font-size: .68rem; letter-spacing: .11em; text-transform: uppercase; color: var(--muted); display: block; }
.contact-item__v { font-weight: 600; font-size: var(--step-sm); display: block; margin-top: 2px; word-break: break-word; }

/* --------------------------------------------------------------------------
   12. Footer
   -------------------------------------------------------------------------- */
.footer { background: var(--ink); color: #b9c9c0; padding-block: clamp(3rem, 6vw, 4.5rem) 2rem; }
.footer__top { display: grid; grid-template-columns: minmax(0, 1.4fr) repeat(2, minmax(0, 1fr)); gap: clamp(1.75rem, 4vw, 3rem); }
.footer h2, .footer h3 { color: #fff; }
.footer h3 { font-size: var(--step-sm); font-family: var(--mono); font-weight: 500; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 1.1rem; color: #7d998c; }
.footer__brand .brand__mark { box-shadow: none; }
.footer__brand .brand__name { color: #fff; }
.footer__brand .brand__role { color: #7d998c; }
.footer p { font-size: var(--step-sm); line-height: 1.6; max-width: 40ch; margin-top: 1.1rem; }
.footer ul { list-style: none; padding: 0; display: grid; gap: .6rem; }
.footer a { text-decoration: none; font-size: var(--step-sm); transition: color var(--fast) var(--ease); }
.footer ul a:hover { color: #fff; }
.footer__id {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--amber);
  border: 1px solid rgba(255, 206, 31, .3);
  border-radius: 6px;
  padding: .3rem .6rem;
  display: inline-block;
  margin-top: 1.25rem;
}
.footer__bottom {
  margin-top: clamp(2.25rem, 5vw, 3.5rem);
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,.12);
  display: flex;
  flex-wrap: wrap;
  gap: .75rem 1.5rem;
  justify-content: space-between;
  font-size: var(--step-xs);
  color: #7d998c;
}

/* --------------------------------------------------------------------------
   13. Sticky mobile action bar. The single biggest conversion lever
        for a local trade service.
   -------------------------------------------------------------------------- */
.actionbar {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 70;
  display: none;
  gap: .55rem;
  padding: .6rem var(--gutter) calc(.6rem + env(safe-area-inset-bottom));
  background: color-mix(in srgb, var(--paper) 94%, transparent);
  backdrop-filter: blur(14px) saturate(1.3);
  border-top: 1px solid var(--line);
  transform: translateY(110%);
  transition: transform 380ms var(--ease-out);
}
.actionbar.is-visible { transform: translateY(0); }
.actionbar .btn { flex: 1; padding-block: .95rem; }

/* --------------------------------------------------------------------------
   14. Scroll reveal
   -------------------------------------------------------------------------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 640ms var(--ease-out), transform 640ms var(--ease-out);
  transition-delay: var(--delay, 0ms);
}
[data-reveal].is-in { opacity: 1; transform: none; }
.no-js [data-reveal] { opacity: 1; transform: none; }


/* --------------------------------------------------------------------------
   14b. Ambient motion. Everything here runs on transform and opacity only
   and is switched off entirely under reduced motion.
   -------------------------------------------------------------------------- */

/* Spectrum scroll progress. Ties the page back to the certificate. */
.progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 100;
  pointer-events: none;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg,
    var(--band-a), var(--band-b), var(--band-c), var(--band-d),
    var(--band-e), var(--band-f), var(--band-g));
}
@supports (animation-timeline: scroll()) {
  .progress {
    animation: progressFill linear both;
    animation-timeline: scroll(root block);
  }
}
@keyframes progressFill {
  from { transform: scaleX(0); }
  to   { transform: scaleX(1); }
}

/* Thermal drift. Warmth moving behind the hero, never obvious at a glance. */
.hero__thermal {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}
.hero__thermal i {
  position: absolute;
  display: block;
  width: 44vw;
  min-width: 340px;
  aspect-ratio: 1;
  border-radius: 50%;
  filter: blur(80px);
  will-change: transform;
}
.hero__thermal i:nth-child(1) {
  top: -22%; left: -10%;
  background: var(--band-a);
  opacity: .10;
  animation: drift-a 38s var(--ease) infinite alternate;
}
.hero__thermal i:nth-child(2) {
  top: 4%; right: -14%;
  background: var(--band-d);
  opacity: .08;
  animation: drift-b 45s var(--ease) infinite alternate;
}
.hero__thermal i:nth-child(3) {
  bottom: -34%; left: 32%;
  background: var(--band-f);
  opacity: .06;
  animation: drift-c 33s var(--ease) infinite alternate;
}
@keyframes drift-a {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to   { transform: translate3d(14%, 12%, 0) scale(1.18); }
}
@keyframes drift-b {
  from { transform: translate3d(0, 0, 0) scale(1.12); }
  to   { transform: translate3d(-12%, 16%, 0) scale(1); }
}
@keyframes drift-c {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to   { transform: translate3d(-16%, -10%, 0) scale(1.22); }
}
.hero::before { z-index: 1; }
.hero__grid { z-index: 2; }

/* Stats count up on first sight, so the width must not jitter */
.stat__k { font-variant-numeric: tabular-nums; }

/* Coverage marquee. Two rows, opposite directions, readable pace. */
.marquee {
  display: grid;
  gap: .6rem;
  margin-top: 1.75rem;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
}
.marquee__row {
  display: flex;
  width: max-content;
  gap: .5rem;
}
.marquee__track {
  display: flex;
  gap: .5rem;
  padding-right: .5rem;
  will-change: transform;
  animation: marquee-left 40s linear infinite;
}
.marquee__row--back .marquee__track { animation-name: marquee-right; }
.marquee:hover .marquee__track,
.marquee:focus-within .marquee__track { animation-play-state: paused; }
@keyframes marquee-left {
  from { transform: translate3d(0, 0, 0); }
  to   { transform: translate3d(-100%, 0, 0); }
}
@keyframes marquee-right {
  from { transform: translate3d(-100%, 0, 0); }
  to   { transform: translate3d(0, 0, 0); }
}

/* Band chart hint. Stops for good once the visitor has found the chart. */
.epc__scale.is-hinting .band[aria-selected="true"] {
  animation: breathe 3s var(--ease) infinite;
}
@keyframes breathe {
  0%, 100% { transform: translateX(9px) scale(1); }
  50%      { transform: translateX(9px) scale(1.02); }
}


/* --------------------------------------------------------------------------
   15. Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 1020px) {
  .hero__grid { grid-template-columns: 1fr; }
  .epc { max-width: 560px; }
  .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .alert { grid-template-columns: 1fr; }
  .footer__top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
  .nav {
    position: absolute;
    left: var(--gutter);
    right: var(--gutter);
    top: calc(100% + .5rem);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: .5rem;
    box-shadow: var(--shadow-lift);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px) scale(.985);
    transform-origin: top center;
    transition: opacity var(--mid) var(--ease), transform var(--mid) var(--ease-out), visibility var(--mid);
  }
  .nav.is-open { opacity: 1; visibility: visible; transform: none; }
  .nav a { padding: .85rem 1rem; border-radius: 10px; }
  .nav a::after { display: none; }
  .nav a[aria-current="page"] { background: var(--paper); }
  .burger { display: grid; }
  .header__inner { position: relative; }
  .header__cta .btn, .header__phone { display: none; }
  .actionbar { display: flex; }
  body { padding-bottom: 76px; }
  .grid--3 { grid-template-columns: 1fr; }
  .price-grid { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  .grid--2, .grid--4 { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr; }
  .form__row { grid-template-columns: 1fr; }
  .footer__top { grid-template-columns: 1fr; }
  .band { min-width: 0; padding: .55rem .7rem; gap: .5rem; }
  .band__range { font-size: .66rem; }
  .band--a { --w: 46%; } .band--b { --w: 54%; } .band--c { --w: 62%; }
  .band--d { --w: 70%; } .band--e { --w: 78%; } .band--f { --w: 86%; } .band--g { --w: 92%; }
  .btn-row .btn { flex: 1 1 100%; }
}

/* --------------------------------------------------------------------------
   16. Reduced motion and print
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
  .hero h1 .accent { background-size: 100% 0.3em; }

  /* Ambient motion is decoration, so it is removed rather than shortened */
  .hero__thermal { display: none; }
  .progress { display: none; }
  .marquee { -webkit-mask-image: none; mask-image: none; }
  .marquee__row { width: auto; flex-wrap: wrap; }
  .marquee__track { animation: none !important; transform: none !important; flex-wrap: wrap; }
  .marquee__track[aria-hidden="true"] { display: none; }
  .epc__scale.is-hinting .band[aria-selected="true"] {
    animation: none !important;
    transform: translateX(9px);
  }
}

@media print {
  .header, .actionbar, .form-panel, .btn { display: none !important; }
  body { background: #fff; color: #000; }
  .section { padding-block: 1rem; }
}