/* CoilPath — HVAC Growth OS
   Draft local stylesheet. Not for public URL.
   Palette: copper / oxidized coil / warm industrial dark.
*/

:root {
  --bg: #100e0c;
  --bg-2: #171410;
  --bg-3: #1f1a15;
  --bg-growth: #2a1f14;
  --ink: #f4ece1;
  --ink-soft: #cbbba8;
  --ink-mute: #9a8b7a;
  --line: rgba(212, 146, 74, 0.22);
  --line-strong: rgba(212, 146, 74, 0.45);
  --copper: #d4924a;
  --copper-2: #e8b06a;
  --copper-deep: #8d5424;
  --copper-ink: #1a120c;
  --focus: #f0c48a;
  --danger-quiet: #c4b4a4;
  --radius: 12px;
  --radius-lg: 18px;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
  --font: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  --font-serif: "IBM Plex Serif", "Georgia", serif;
  --max: 1120px;
  --banner-h: 3.15rem;
}

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

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

@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;
  }
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  min-height: 100vh;
}

img,
svg {
  max-width: 100%;
  display: block;
}

a {
  color: var(--copper-2);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover { color: var(--ink); }

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

.skip {
  position: absolute;
  left: 0.75rem;
  top: -3rem;
  z-index: 100;
  background: var(--copper);
  color: var(--copper-ink);
  padding: 0.5rem 0.85rem;
  font-weight: 600;
  border-radius: 6px;
}
.skip:focus {
  top: calc(var(--banner-h) + 0.5rem);
}

/* —— DRAFT banner —— */
.draft-banner {
  position: sticky;
  top: 0;
  z-index: 50;
  background: #5a320e;
  color: #f8e6c8;
  text-align: center;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1.35;
  padding: 0.65rem 1rem;
  border-bottom: 1px solid #c4843a;
}

/* —— layout —— */
.wrap {
  width: min(var(--max), calc(100% - 2rem));
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 0 0.4rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: inherit;
  text-decoration: none;
}

.brand img {
  width: 40px;
  height: 40px;
}

.brand-name {
  font-weight: 650;
  letter-spacing: -0.02em;
  font-size: 1.125rem;
}

.brand-prod {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--ink-mute);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.header-note {
  font-size: 0.8125rem;
  color: var(--ink-mute);
}

/* —— hero —— */
.hero {
  position: relative;
  padding: 2.4rem 0 3.6rem;
  overflow: clip;
}

.hero-field {
  position: absolute;
  inset: 0 auto auto 35%;
  width: 70%;
  height: 100%;
  opacity: 0.9;
  pointer-events: none;
  z-index: 0;
}

.hero .wrap { position: relative; z-index: 1; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--copper-2);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin: 0 0 1rem;
}

.hero h1 {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(1.85rem, 4.4vw, 3.15rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
  max-width: 18ch;
  margin: 0 0 1.1rem;
}

.lede {
  max-width: 42rem;
  color: var(--ink-soft);
  font-size: clamp(1.02rem, 1.6vw, 1.18rem);
  margin: 0 0 1.7rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  align-items: center;
  margin-bottom: 0.85rem;
}

.hero-fine {
  margin: 0;
  max-width: 40rem;
  font-size: 0.875rem;
  color: var(--ink-mute);
}

/* —— buttons —— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.85rem 1.2rem;
  border-radius: 999px;
  font: inherit;
  font-weight: 650;
  font-size: 0.98rem;
  line-height: 1.2;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}

.btn:hover { color: var(--copper-ink); }

.btn-primary {
  background: var(--copper);
  color: var(--copper-ink);
  box-shadow: 0 0 0 1px rgba(232, 176, 106, 0.25), 0 10px 24px rgba(141, 84, 36, 0.35);
}

.btn-primary:hover {
  background: var(--copper-2);
  color: var(--copper-ink);
}

.btn-primary[aria-disabled="true"],
.btn[aria-disabled="true"] {
  cursor: not-allowed;
}

.btn-secondary {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-strong);
}

.btn-secondary:hover {
  background: var(--bg-3);
  color: var(--ink);
}

.btn-quiet {
  background: transparent;
  color: var(--ink-soft);
  border-color: var(--line);
  font-weight: 600;
  padding: 0.7rem 1rem;
  font-size: 0.9rem;
}

.btn-quiet:hover {
  color: var(--ink);
  background: var(--bg-3);
}

.btn-block { width: 100%; }

.btn-lg {
  padding: 1rem 1.35rem;
  font-size: 1.02rem;
}

/* —— sections —— */
section {
  padding: 3.2rem 0;
  border-top: 1px solid var(--line);
}

.kicker {
  margin: 0 0 0.45rem;
  color: var(--copper-2);
  font-size: 0.78rem;
  font-weight: 650;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.45rem, 3vw, 2rem);
  letter-spacing: -0.025em;
  line-height: 1.2;
  margin: 0 0 0.7rem;
  font-weight: 600;
}

.section-intro {
  max-width: 42rem;
  color: var(--ink-soft);
  margin: 0 0 1.8rem;
}

/* proof */
.proof-grid {
  display: grid;
  gap: 1rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

@media (min-width: 720px) {
  .proof-grid { grid-template-columns: 1fr 1fr; }
}

.proof-item,
.step,
.fit-card,
.specimen,
.plan {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.3rem 1.35rem;
}

.num {
  display: inline-block;
  font-variant-numeric: tabular-nums;
  color: var(--copper-2);
  font-weight: 650;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  margin-bottom: 0.35rem;
}

.proof-item h3,
.step h3 {
  font-size: 1.05rem;
  margin: 0 0 0.45rem;
  letter-spacing: -0.015em;
}

.proof-item p,
.step p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.98rem;
}

.steps {
  display: grid;
  gap: 1rem;
}

@media (min-width: 860px) {
  .steps { grid-template-columns: repeat(3, 1fr); }
}

/* pricing */
.pricing-lead {
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 0.4rem;
}

.plans {
  display: grid;
  gap: 1rem;
  align-items: stretch;
}

@media (min-width: 900px) {
  .plans {
    grid-template-columns: 1fr 1.12fr 1fr;
    align-items: stretch;
  }
}

.plan {
  display: flex;
  flex-direction: column;
  min-height: 100%;
}

.plan-starter { opacity: 0.92; }

.plan-growth {
  background: var(--bg-growth);
  border-color: var(--line-strong);
  box-shadow: var(--shadow), inset 0 1px 0 rgba(232, 176, 106, 0.18);
  position: relative;
}

.plan-ops { background: var(--bg-2); }

.plan-head {
  margin-bottom: 1rem;
}

.plan-name {
  margin: 0;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}

.badge {
  display: inline-block;
  margin-bottom: 0.45rem;
  background: var(--copper);
  color: var(--copper-ink);
  font-size: 0.7rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.22rem 0.5rem;
  border-radius: 999px;
}

.price-setup,
.price-mo {
  margin: 0.15rem 0 0;
}

.price-setup { color: var(--ink-soft); font-size: 0.95rem; }
.price-mo {
  font-size: 1.65rem;
  font-weight: 650;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}
.price-mo span {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink-mute);
}

.features {
  list-style: none;
  padding: 0;
  margin: 0 0 1.2rem;
  flex: 1;
}

.features li {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.75rem;
  padding: 0.48rem 0;
  border-top: 1px solid var(--line);
  font-size: 0.92rem;
  color: var(--ink-soft);
}

.features .val {
  color: var(--ink);
  font-weight: 600;
  text-align: right;
}

.features .na {
  color: var(--ink-mute);
  font-weight: 500;
}

.why-growth {
  margin: 1.4rem 0 0.6rem;
  color: var(--ink-soft);
}

.refusals {
  margin: 0;
  padding: 1rem 1.1rem;
  border-left: 3px solid var(--copper);
  color: var(--ink-soft);
  background: var(--bg-2);
}

/* fit */
.split {
  display: grid;
  gap: 1rem;
}

@media (min-width: 800px) {
  .split { grid-template-columns: 1fr 1fr; }
}

.fit-card h3 {
  margin: 0 0 0.75rem;
  font-size: 1.15rem;
}

.fit-card ul {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--ink-soft);
}

.fit-card li { margin: 0 0 0.55rem; }

.fit-not {
  border-color: rgba(196, 180, 164, 0.22);
}

/* faq */
.faq {
  display: grid;
  gap: 0.55rem;
}

.faq details {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.15rem 0.2rem;
}

.faq summary {
  cursor: pointer;
  font-weight: 650;
  padding: 0.85rem 1rem;
  list-style: none;
}

.faq summary::-webkit-details-marker { display: none; }

.faq summary::before {
  content: "+";
  color: var(--copper);
  display: inline-block;
  width: 1.1rem;
  font-weight: 500;
  margin-right: 0.4rem;
}

.faq details[open] summary::before { content: "–"; }

.faq details p {
  margin: 0;
  padding: 0 1rem 1rem 2.5rem;
  color: var(--ink-soft);
}

/* sample */
.specimen-grid {
  display: grid;
  gap: 1rem;
  margin-bottom: 1.6rem;
}

@media (min-width: 800px) {
  .specimen-grid { grid-template-columns: 1fr 1fr; }
}

.specimen-label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--copper-ink);
  background: var(--copper-2);
  padding: 0.22rem 0.5rem;
  border-radius: 4px;
  margin-bottom: 0.65rem;
}

.specimen h3 {
  margin: 0 0 0.2rem;
  font-size: 1.05rem;
}

.specimen .meta {
  margin: 0 0 0.8rem;
  color: var(--ink-mute);
  font-size: 0.88rem;
}

.specimen blockquote,
.sms {
  margin: 0;
  padding: 0.85rem 1rem;
  background: var(--bg);
  border-radius: 10px;
  border: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.specimen blockquote p { margin: 0 0 0.6rem; }
.specimen blockquote p:last-child { margin: 0; }

.form-card {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.3rem 1.25rem 1.4rem;
}

.form-card h3 {
  margin: 0 0 0.35rem;
}

.form-note,
.stub-note {
  color: var(--ink-mute);
  font-size: 0.9rem;
  margin: 0 0 1rem;
}

form {
  display: grid;
  gap: 0.8rem;
}

@media (min-width: 700px) {
  form { grid-template-columns: 1fr 1fr; }
  .full { grid-column: 1 / -1; }
}

label {
  display: grid;
  gap: 0.3rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ink-soft);
}

input {
  font: inherit;
  font-weight: 400;
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  padding: 0.7rem 0.8rem;
  min-height: 2.75rem;
}

input:disabled,
button:disabled {
  opacity: 0.85;
  cursor: not-allowed;
}

/* close */
.close {
  text-align: center;
  background:
    radial-gradient(800px 240px at 50% 0%, rgba(212, 146, 74, 0.12), transparent 70%),
    var(--bg);
}

.close h2 {
  max-width: 22ch;
  margin-inline: auto;
}

.close .section-intro {
  margin-inline: auto;
}

.close .cta-row {
  justify-content: center;
}

.signoff {
  margin: 1.2rem 0 0;
  color: var(--ink-mute);
  font-size: 0.9rem;
}

/* footer */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 2rem 0 2.6rem;
  color: var(--ink-mute);
  font-size: 0.9rem;
}

.site-footer p { margin: 0 0 0.55rem; }

.legal-name {
  color: var(--ink-soft);
  font-weight: 600;
}

.legal-links {
  color: var(--ink-mute);
  letter-spacing: 0.02em;
}

.disclaimer { max-width: 40rem; }

#specimen-stub:not([hidden]) {
  display: block;
  margin: 0.75rem 0 0;
  color: var(--copper-2);
}

/* —— lock-in (Sofia draft) —— */
.header-cta {
  display: none;
}
@media (min-width: 720px) {
  .header-cta {
    display: inline-flex;
    padding: 0.65rem 1.05rem;
    font-size: 0.9rem;
  }
}
.plan-growth { order: -1; }
@media (min-width: 900px) {
  .plan-growth {
    order: 0;
    transform: translateY(-0.4rem);
  }
}
@media (prefers-reduced-motion: reduce) {
  .plan-growth { transform: none; }
}
.proof-foot {
  margin: 1.15rem 0 0;
  color: var(--ink-mute);
  font-size: 0.9rem;
}
.specimen { position: relative; overflow: hidden; }
.watermark {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  pointer-events: none;
  font-weight: 800;
  font-size: clamp(2.2rem, 6vw, 3.2rem);
  letter-spacing: 0.14em;
  color: rgba(244, 236, 225, 0.05);
  transform: rotate(-18deg);
  user-select: none;
}
.gbp-btn {
  display: inline-flex;
  margin-top: 0.75rem;
  border: 1px solid var(--copper);
  color: var(--copper-2);
  border-radius: 999px;
  padding: 0.28rem 0.85rem;
  font-size: 0.82rem;
  font-weight: 650;
}
.address-token {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color: var(--copper-2);
}
.legal-links {
  pointer-events: none;
  text-decoration: none;
  color: var(--ink-mute);
}
.close h2 { max-width: 38rem; }
.fit-card h2 {
  margin: 0 0 0.75rem;
  font-size: 1.25rem;
}