/* Energy Consulting Collective — site styles
   Layout: one centered column (max 1160px) of full-width bands that alternate
   --bg / --surface, with a navy band for the cooperative story and footer.
   All colors come from tokens.css. */

@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500&family=Lexend:wght@400;500;600&family=Source+Sans+3:ital,wght@0,400;0,600;0,700;1,400&display=swap");

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--text-md);
  line-height: 1.6;
}

img { max-width: 100%; height: auto; display: block; }

section[id] { scroll-margin-top: 72px; }

a { color: var(--link); text-underline-offset: 0.18em; }
a:hover { text-decoration-thickness: 2px; }

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0;
  text-wrap: balance;
}
h1 { font-size: clamp(2.125rem, 1.4rem + 3vw, var(--text-3xl)); font-weight: 600; }
h2 { font-size: clamp(1.625rem, 1.2rem + 1.6vw, var(--text-2xl)); }
h3 { font-size: var(--text-lg); font-weight: 500; }
p { margin: 0; }

.num, .mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--surface-inverse); color: var(--ink-inverse); padding: var(--space-2) var(--space-4);
}
.skip-link:focus { left: var(--space-4); z-index: 100; }

/* ---------- Layout ---------- */
.wrap {
  width: 100%;
  max-width: 1160px;
  margin-inline: auto;
  padding-left: max(20px, env(safe-area-inset-left, 0px));
  padding-right: max(20px, env(safe-area-inset-right, 0px));
}
.band { padding-block: var(--space-9); }
.band--tint { background: var(--surface); }
.band--inverse { background: var(--surface-inverse); color: var(--ink-inverse); }
.band--tight { padding-block: var(--space-8); }

.section-head { display: grid; gap: var(--space-3); align-content: start; max-width: 46rem; margin-bottom: var(--space-7); }
.eyebrow {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex; align-items: center; gap: var(--space-2);
}
.eyebrow::before {
  content: ""; width: 10px; height: 10px; flex: none;
  background: var(--highlight); border-radius: 0 6px 0 6px;
}
.band--inverse .eyebrow { color: var(--ecc-leaf-400); }
.lead { font-size: var(--text-lg); color: var(--ink-muted); max-width: 40rem; }
.band--inverse .lead { color: var(--ink-inverse-muted); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: var(--space-5); min-height: 72px; }
.brand { display: flex; align-items: center; gap: var(--space-3); text-decoration: none; color: var(--ink); }
.brand img { width: 44px; height: 44px; object-fit: contain; }
.brand-name { font-family: var(--font-display); font-weight: 600; font-size: 1.0625rem; line-height: 1.05; letter-spacing: 0.01em; }
.brand-name span { display: block; color: var(--accent); }

.nav { display: flex; align-items: center; gap: var(--space-5); }
.nav a:not(.btn) { color: var(--ink); text-decoration: none; font-weight: 600; font-size: var(--text-sm); }
.nav a:not(.btn):hover, .nav a[aria-current="page"] { color: var(--accent); }
.nav-toggle { display: none; }

@media (max-width: 880px) {
  .nav-toggle {
    display: inline-flex; align-items: center; gap: var(--space-2);
    background: none; border: 1px solid var(--line-strong); color: var(--ink);
    border-radius: var(--radius-sm); padding: var(--space-2) var(--space-3);
    font: 600 var(--text-sm) var(--font-body); cursor: pointer;
  }
  .nav {
    display: none; position: absolute; left: 0; right: 0; top: 100%;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--bg); border-bottom: 1px solid var(--line);
    padding: var(--space-2) max(20px, env(safe-area-inset-right, 0px)) var(--space-5) max(20px, env(safe-area-inset-left, 0px));
  }
  .nav.is-open { display: flex; }
  .nav a:not(.btn) { padding: var(--space-3) 0; border-bottom: 1px solid var(--line); }
  .nav .btn { margin-top: var(--space-4); }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  font: 600 var(--text-sm)/1 var(--font-body);
  padding: 14px 22px; border-radius: var(--radius-sm);
  text-decoration: none; border: 2px solid transparent; cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.btn--primary { background: var(--accent); color: var(--on-accent); }
.btn--primary:hover { background: color-mix(in srgb, var(--accent) 86%, var(--ink)); }
.btn--secondary { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn--secondary:hover { background: var(--ink); color: var(--bg); }
.band--inverse .btn--secondary { border-color: var(--ink-inverse); color: var(--ink-inverse); }
.band--inverse .btn--secondary:hover { background: var(--ink-inverse); color: var(--surface-inverse); }
.btn--sm { padding: 10px 16px; }
.btn-row { display: flex; flex-wrap: wrap; gap: var(--space-3); }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; padding-block: var(--space-8) var(--space-9); }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); gap: var(--space-8); align-items: center; }
.hero-copy { display: grid; gap: var(--space-5); min-width: 0; }
.hero-copy h1 em { font-style: normal; color: var(--accent); }
.hero-arc {
  position: absolute; right: -220px; top: -160px; width: 760px; height: 760px;
  pointer-events: none; opacity: 0.9;
}
.hero-arc circle { fill: none; stroke-width: 2; }
.hero-arc .arc-a { stroke: var(--line); }
.hero-arc .arc-b { stroke: var(--highlight); stroke-dasharray: 2 10; opacity: 0.6; }
.hero-proof { display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-5); color: var(--ink-muted); font-size: var(--text-sm); }
.hero-proof li { display: flex; align-items: center; gap: var(--space-2); }
.hero-proof li::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--ecc-leaf-400); }
ul.plain { list-style: none; margin: 0; padding: 0; }

@media (max-width: 880px) {
  .hero .wrap { grid-template-columns: 1fr; gap: var(--space-7); }
  .hero-arc { width: 520px; height: 520px; right: -260px; top: -200px; }
}

/* ---------- Compliance result card (the signature object) ---------- */
.result-card {
  position: relative;
  background: var(--surface-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius-leaf);
  box-shadow: var(--shadow-raised);
  padding: var(--space-6);
  margin: 0;
  display: grid; gap: var(--space-5);
  min-width: 0;
}
@media (max-width: 560px) {
  .result-card { padding: var(--space-5); }
  .pci-row { grid-template-columns: 5.5rem minmax(0, 1fr) 3rem; gap: var(--space-2); }
}
.result-card__top { display: flex; justify-content: space-between; align-items: flex-start; gap: var(--space-3); flex-wrap: wrap; }
.result-card__label { font-size: var(--text-xs); letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-muted); font-weight: 600; }
.result-card__project { font-family: var(--font-display); font-weight: 500; font-size: var(--text-md); margin-top: 2px; }
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  font: 600 var(--text-xs)/1 var(--font-body); letter-spacing: 0.04em;
  padding: 6px 10px; border-radius: var(--radius-pill);
  background: var(--accent-soft); color: var(--accent);
}
.badge::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.badge--example { background: var(--highlight-soft); color: var(--warning); }
.badge--example::before { display: none; }

.pci { display: grid; gap: var(--space-3); }
.pci-row { display: grid; grid-template-columns: 7.5rem minmax(0, 1fr) 3.5rem; gap: var(--space-3); align-items: center; font-size: var(--text-sm); }
.pci-row .num { text-align: right; font-size: var(--text-sm); }
.pci-track { height: 14px; border-radius: 3px; background: var(--surface); position: relative; }
.pci-fill { position: absolute; inset: 0 auto 0 0; border-radius: 3px; }
.pci-fill--baseline { background: var(--line-strong); }
.pci-fill--target { background: var(--ecc-glazing-500); }
.pci-fill--proposed { background: var(--accent); }
.pci-margin {
  display: flex; justify-content: space-between; gap: var(--space-3); flex-wrap: wrap;
  border-top: 1px solid var(--line); padding-top: var(--space-4);
  font-size: var(--text-sm); color: var(--ink-muted);
}
.pci-margin strong { color: var(--ink); font-family: var(--font-mono); font-weight: 500; }
.result-card__foot { font-size: var(--text-xs); color: var(--ink-muted); }

/* ---------- Audience selector ---------- */
.audience { display: grid; gap: var(--space-4); }
.audience__prompt { font-family: var(--font-display); font-weight: 500; font-size: var(--text-lg); }
.audience__tabs {
  display: flex; flex-wrap: wrap; gap: var(--space-2);
}
.audience__tabs[hidden] { display: none; }
.audience__tabs button {
  font: 600 var(--text-sm)/1.2 var(--font-body);
  padding: 12px 18px; border-radius: var(--radius-pill);
  border: 1px solid var(--line-strong); background: var(--surface-raised); color: var(--ink);
  cursor: pointer; transition: background-color .15s ease, color .15s ease, border-color .15s ease;
}
.audience__tabs button:hover { border-color: var(--ink); }
.audience__tabs button[aria-selected="true"] { background: var(--ink); border-color: var(--ink); color: var(--bg); }
@media (max-width: 560px) {
  .audience__tabs { display: grid; grid-template-columns: 1fr 1fr; }
  .audience__tabs button { padding: 12px 10px; }
}

.audience__panel {
  background: var(--surface-raised); border: 1px solid var(--line); border-radius: var(--radius-md);
  padding: var(--space-7); margin-top: var(--space-3);
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--space-8);
}
.audience__panel[hidden] { display: none; }
.audience__panel + .audience__panel { margin-top: var(--space-5); }
.audience.is-tabs .audience__panel + .audience__panel { margin-top: var(--space-3); }
@media (max-width: 880px) { .audience__panel { grid-template-columns: 1fr; gap: var(--space-6); padding: var(--space-5); } }

.audience__intro { display: grid; gap: var(--space-4); align-content: start; justify-items: start; min-width: 0; }
.audience__for { font-size: var(--text-xs); letter-spacing: .12em; text-transform: uppercase; font-weight: 600; color: var(--accent); }
.audience__intro h3 { font-size: var(--text-xl); font-weight: 600; }
.audience__intro > p { color: var(--ink-muted); }
.audience__note { font-size: var(--text-sm); color: var(--ink-muted); }
.audience__detail { display: grid; gap: var(--space-4); align-content: start; min-width: 0; }
.audience__detail h4 {
  font-family: var(--font-display); font-weight: 500; font-size: var(--text-xs);
  letter-spacing: .1em; text-transform: uppercase; color: var(--ink-muted);
}
.audience__detail h4 + * { margin-bottom: var(--space-3); }

.facts { margin: 0; display: grid; gap: 0; width: 100%; border-top: 1px solid var(--line); }
.facts div { display: grid; grid-template-columns: 9rem minmax(0, 1fr); gap: var(--space-4); padding-block: var(--space-3); border-bottom: 1px solid var(--line); }
.facts dt { font-size: var(--text-sm); color: var(--ink-muted); }
.facts dd { margin: 0; font-weight: 600; }
@media (max-width: 420px) { .facts div { grid-template-columns: 1fr; gap: 2px; } }

.mini-steps { list-style: none; counter-reset: ms; margin: 0; padding: 0; display: grid; gap: var(--space-3); }
.mini-steps li { counter-increment: ms; display: grid; grid-template-columns: 2.25rem minmax(0, 1fr); gap: var(--space-2); }
.mini-steps li::before { content: counter(ms, decimal-leading-zero); font-family: var(--font-mono); color: var(--accent); font-size: var(--text-sm); padding-top: 3px; }

/* ---------- Grids & cards ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-5); }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-5); }
@media (max-width: 880px) { .grid-3, .grid-2 { grid-template-columns: 1fr; } }

.point { display: grid; gap: var(--space-3); align-content: start; }
.point h3 { font-size: var(--text-lg); }
.point p { color: var(--ink-muted); }
.point__mark { width: 36px; height: 36px; color: var(--accent); }

.card {
  background: var(--surface-raised); border: 1px solid var(--line); border-radius: var(--radius-md);
  padding: var(--space-6); display: grid; gap: var(--space-3); align-content: start; min-width: 0;
}
.card p { color: var(--ink-muted); }
.card--feature {
  border-radius: var(--radius-leaf);
  background: var(--surface-inverse); color: var(--ink-inverse); border-color: transparent;
  grid-column: span 2;
}
.card--feature p { color: var(--ink-inverse-muted); }
.card--feature a:not(.btn) { color: var(--ecc-glazing-300); }
.card .tag { font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.12em; font-weight: 600; color: var(--accent); }
.card--feature .tag { color: var(--ecc-leaf-400); }
@media (max-width: 880px) { .card--feature { grid-column: auto; } }

/* ---------- Steps (a real sequence) ---------- */
.steps { counter-reset: step; display: grid; gap: 0; list-style: none; margin: 0; padding: 0; }
.steps li {
  counter-increment: step;
  display: grid; grid-template-columns: 4rem minmax(0, 1fr) minmax(0, 12rem); gap: var(--space-5);
  padding-block: var(--space-5); border-top: 1px solid var(--line); align-items: baseline;
}
.steps li:last-child { border-bottom: 1px solid var(--line); }
.steps li::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-mono); font-size: var(--text-lg); color: var(--accent);
}
.steps h3 { margin-bottom: var(--space-1); }
.steps p { color: var(--ink-muted); }
.steps .when { font-family: var(--font-mono); font-size: var(--text-sm); color: var(--ink-muted); text-align: right; }
@media (max-width: 700px) {
  .steps li { grid-template-columns: 3rem minmax(0, 1fr); }
  .steps .when { grid-column: 2; text-align: left; }
}

/* ---------- Tables ---------- */
.table-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--surface-raised); }
table { border-collapse: collapse; width: 100%; min-width: 640px; font-size: var(--text-sm); }
th, td { text-align: left; padding: var(--space-4) var(--space-5); vertical-align: top; }
thead th {
  font-family: var(--font-display); font-weight: 500; font-size: var(--text-xs);
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-muted);
  border-bottom: 2px solid var(--ink); background: var(--surface-raised);
}
tbody tr + tr td { border-top: 1px solid var(--line); }
td strong { font-family: var(--font-display); font-weight: 500; }
td .mono { font-size: var(--text-xs); }

/* ---------- Checklist ---------- */
.checks { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-3); align-content: start; }
.checks li { display: grid; grid-template-columns: 22px minmax(0, 1fr); gap: var(--space-3); align-items: start; }
.checks li::before {
  content: ""; width: 18px; height: 18px; margin-top: 4px;
  width: 14px; height: 14px; margin-top: 6px;
  background: var(--accent); border-radius: 0 8px 0 8px;
}
.checks li span { color: var(--ink-muted); display: block; font-size: var(--text-sm); }

/* ---------- Pricing ---------- */
.tiers { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-5); align-items: stretch; }
@media (max-width: 960px) { .tiers { grid-template-columns: 1fr; } }
.tier {
  background: var(--surface-raised); border: 1px solid var(--line); border-radius: var(--radius-md);
  padding: var(--space-6); display: grid; grid-template-rows: auto auto auto 1fr auto; gap: var(--space-4);
}
.tier--pick { border: 2px solid var(--accent); }
.tier h3 { font-size: var(--text-xl); }
.tier .price { font-family: var(--font-display); font-size: var(--text-2xl); font-weight: 600; }
.tier .price small { font-family: var(--font-body); font-size: var(--text-sm); font-weight: 400; color: var(--ink-muted); }
.tier .fit { color: var(--ink-muted); font-size: var(--text-sm); }
.tier .checks { font-size: var(--text-sm); }
.fee-why { margin-top: var(--space-7); padding-top: var(--space-7); border-top: 1px solid var(--line); display: grid; gap: var(--space-4); }
.fee-why h3 { font-size: var(--text-xl); }
.fee-why__lead { color: var(--ink-muted); max-width: 46rem; margin-bottom: var(--space-3); }
.fee-why h4 { font-family: var(--font-display); font-weight: 500; font-size: var(--text-md); }
.fine { font-size: var(--text-sm); color: var(--ink-muted); margin-top: var(--space-5); max-width: 52rem; }

/* ---------- Cooperative band ---------- */
.coop { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--space-8); align-items: start; }
.coop-path { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; }
.coop-path li { display: grid; grid-template-columns: 28px minmax(0, 1fr); gap: var(--space-4); padding-bottom: var(--space-5); position: relative; }
.coop-path li::before {
  content: ""; width: 16px; height: 16px; margin-top: 5px; border-radius: 50%;
  border: 3px solid var(--ecc-leaf-400); background: var(--surface-inverse); z-index: 1;
}
.coop-path li.is-now::before { background: var(--ecc-leaf-400); }
.coop-path li:not(:last-child)::after {
  content: ""; position: absolute; left: 7px; top: 22px; bottom: 0; width: 2px; background: color-mix(in srgb, var(--ink-inverse) 25%, transparent);
}
.coop-path strong { font-family: var(--font-display); font-weight: 500; display: block; }
.coop-path span { color: var(--ink-inverse-muted); font-size: var(--text-sm); }
@media (max-width: 880px) { .coop { grid-template-columns: 1fr; gap: var(--space-7); } }

/* ---------- FAQ ---------- */
.faq { display: grid; gap: 0; max-width: 52rem; }
.faq details { border-top: 1px solid var(--line); }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary {
  cursor: pointer; list-style: none; padding: var(--space-5) 0;
  font-family: var(--font-display); font-weight: 500; font-size: var(--text-lg);
  display: flex; justify-content: space-between; gap: var(--space-4);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--font-mono); color: var(--accent); font-size: var(--text-xl); line-height: 1; }
.faq details[open] summary::after { content: "\2212"; }
.faq details p { padding-bottom: var(--space-5); color: var(--ink-muted); max-width: 46rem; }

/* ---------- Contact ---------- */
.contact { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: var(--space-8); }
@media (max-width: 880px) { .contact { grid-template-columns: 1fr; gap: var(--space-7); } }
.form { display: grid; gap: var(--space-4); }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
@media (max-width: 560px) { .form .row { grid-template-columns: 1fr; } }
.field { display: grid; gap: 6px; }
.field label { font-weight: 600; font-size: var(--text-sm); }
.field input, .field select, .field textarea {
  font: inherit; font-size: var(--text-md); color: var(--ink);
  background: var(--surface-raised); border: 1px solid var(--line-strong); border-radius: var(--radius-sm);
  padding: 12px 14px; width: 100%;
}
.field textarea { min-height: 7.5rem; resize: vertical; }
.field input:focus-visible, .field select:focus-visible, .field textarea:focus-visible { outline: 3px solid var(--focus); outline-offset: 0; border-color: var(--focus); }
.form-status { font-size: var(--text-sm); min-height: 1.5em; }
.form-status.is-ok { color: var(--accent); }
.contact-direct { display: grid; gap: var(--space-2); margin-top: var(--space-5); }
.contact-direct .mono { font-size: var(--text-md); color: var(--ink); }

/* ---------- Footer ---------- */
.site-footer { background: var(--surface-inverse); color: var(--ink-inverse-muted); padding-block: var(--space-8) var(--space-6); font-size: var(--text-sm); }
.site-footer .wrap { display: grid; gap: var(--space-6); }
.footer-top { display: flex; justify-content: space-between; gap: var(--space-6); flex-wrap: wrap; }
.footer-brand { display: flex; gap: var(--space-3); align-items: center; color: var(--ink-inverse); }
.footer-brand .emblem-chip { background: #ffffff; border-radius: 50%; padding: 6px; width: 52px; height: 52px; display: grid; place-items: center; }
.footer-brand img { width: 40px; height: 40px; object-fit: contain; }
.footer-tag { font-family: var(--font-display); letter-spacing: 0.18em; text-transform: uppercase; font-size: var(--text-xs); color: var(--ink-inverse-muted); margin-top: 4px; }
.footer-tag b { color: var(--ecc-leaf-400); font-weight: 400; }
.footer-links { display: flex; gap: var(--space-5); flex-wrap: wrap; }
.footer-links a { color: var(--ink-inverse); text-decoration: none; }
.footer-links a:hover { text-decoration: underline; }
.footer-bottom { border-top: 1px solid color-mix(in srgb, var(--ink-inverse) 18%, transparent); padding-top: var(--space-5); display: flex; justify-content: space-between; gap: var(--space-4); flex-wrap: wrap; }

/* ---------- Page header (inner pages) ---------- */
.page-head { padding-block: var(--space-8) var(--space-7); border-bottom: 1px solid var(--line); }
.page-head .wrap { display: grid; gap: var(--space-4); }
.crumbs { font-size: var(--text-sm); color: var(--ink-muted); }
.crumbs a { color: var(--ink-muted); }

.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--space-8); align-items: start; }
@media (max-width: 880px) { .split { grid-template-columns: 1fr; gap: var(--space-6); } }
.prose { display: grid; gap: var(--space-4); max-width: 40rem; }
.prose p { color: var(--ink-muted); }

/* Emblem sits on a white disc in dark mode so the navy towers stay visible */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .brand img { background: #ffffff; border-radius: 50%; padding: 3px; }
}
:root[data-theme="dark"] .brand img { background: #ffffff; border-radius: 50%; padding: 3px; }