/* ============================================================
   Frontier Dryer & Vent Service Co. — design system
   Palette: deep slate + ember/amber heat accent + clean utility
   ============================================================ */

:root {
  --slate-900: #14181d;
  --slate-800: #1d232b;
  --slate-700: #2b333d;
  --slate-300: #aab4c0;
  --slate-200: #ccd4dd;
  --paper:     #f6f4ef;
  --paper-2:   #ece8df;
  --ember:     #e8642f;   /* heating element / safety accent */
  --ember-dk:  #c44e1f;
  --amber:     #f2a43a;
  --ink:       #14181d;
  --white:     #ffffff;

  --maxw: 1140px;
  --r: 4px;

  --display: "Barlow Condensed", "Arial Narrow", sans-serif;
  --body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--display);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: 0.01em;
  text-transform: uppercase;
}

a { color: inherit; text-decoration: none; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---- airflow divider: the signature motif ---- */
.airflow {
  height: 2px;
  width: 100%;
  background: repeating-linear-gradient(
    90deg,
    var(--ember) 0, var(--ember) 18px,
    transparent 18px, transparent 28px
  );
  opacity: 0.55;
  position: relative;
}
.airflow::after {
  content: "";
  position: absolute;
  right: 0; top: -3px;
  border-left: 8px solid var(--ember);
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
}

/* ============================== HEADER ============================== */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--slate-900);
  color: var(--white);
  border-bottom: 1px solid var(--slate-700);
}
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark {
  width: 34px; height: 34px; border-radius: 50%;
  background: radial-gradient(circle at 50% 40%, var(--amber), var(--ember) 70%);
  position: relative; flex: none;
  box-shadow: 0 0 14px rgba(232,100,47,0.5);
}
.brand-mark::before {
  content: ""; position: absolute; inset: 9px;
  border: 2px solid var(--slate-900); border-radius: 50%;
}
.brand-name {
  font-family: var(--display); font-size: 1.32rem;
  text-transform: uppercase; letter-spacing: 0.04em; line-height: 1;
}
.brand-name span { color: var(--ember); }
.brand-tag { font-size: 0.62rem; letter-spacing: 0.22em; color: var(--slate-300); text-transform: uppercase; }

.nav { display: flex; align-items: center; gap: 26px; }
.nav a { font-size: 0.82rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--slate-200); transition: color .15s; }
.nav a:hover { color: var(--amber); }
.nav .call-btn {
  background: var(--ember); color: var(--white);
  padding: 10px 18px; border-radius: var(--r);
  font-family: var(--display); font-size: 1rem; letter-spacing: 0.04em;
}
.nav .call-btn:hover { background: var(--ember-dk); color: var(--white); }

.nav-toggle { display: none; background: none; border: 0; color: var(--white); font-size: 1.5rem; cursor: pointer; }

/* ============================== HERO ============================== */
.hero {
  background:
    linear-gradient(180deg, rgba(20,24,29,0.92), rgba(20,24,29,0.97)),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='40' height='40'%3E%3Cpath d='M0 20h40M20 0v40' stroke='%232b333d' stroke-width='0.5'/%3E%3C/svg%3E");
  color: var(--white);
  padding: 90px 0 0;
}
.hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 48px; align-items: center; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--amber); margin-bottom: 18px;
}
.hero-eyebrow::before { content: ""; width: 26px; height: 1px; background: var(--amber); }
.hero h1 { font-size: clamp(2.6rem, 6vw, 4.4rem); }
.hero h1 em { color: var(--ember); font-style: normal; }
.hero-sub { color: var(--slate-200); font-size: 1.08rem; max-width: 38ch; margin: 20px 0 30px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }

.btn {
  display: inline-block; padding: 14px 26px; border-radius: var(--r);
  font-family: var(--display); font-size: 1.05rem; letter-spacing: 0.04em;
  text-transform: uppercase; cursor: pointer; transition: all .15s; border: 2px solid transparent;
}
.btn-primary { background: var(--ember); color: var(--white); }
.btn-primary:hover { background: var(--ember-dk); }
.btn-ghost { border-color: var(--slate-700); color: var(--white); }
.btn-ghost:hover { border-color: var(--amber); color: var(--amber); }

.hero-card {
  background: var(--slate-800); border: 1px solid var(--slate-700);
  border-radius: var(--r); padding: 26px;
}
.hero-card h3 { font-size: 1.25rem; color: var(--amber); margin-bottom: 6px; }
.hero-card p { color: var(--slate-300); font-size: 0.9rem; margin-bottom: 18px; }
.hero-card ul { list-style: none; }
.hero-card li { display: flex; gap: 10px; padding: 8px 0; border-bottom: 1px solid var(--slate-700); font-size: 0.92rem; color: var(--slate-200); }
.hero-card li:last-child { border: 0; }
.hero-card li::before { content: "▸"; color: var(--ember); }
.hero-strip {
  margin-top: 70px; background: var(--ember); color: var(--white);
  font-family: var(--display); text-transform: uppercase; letter-spacing: 0.05em;
}
.hero-strip .wrap { display: flex; justify-content: space-around; flex-wrap: wrap; gap: 14px; padding: 14px 24px; }
.hero-strip span { font-size: 0.95rem; }

/* ============================== SECTIONS ============================== */
section { padding: 72px 0; }
.section-head { max-width: 56ch; margin-bottom: 40px; }
.eyebrow {
  font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--ember-dk); font-weight: 600; margin-bottom: 12px; display: block;
}
.section-head h2 { font-size: clamp(1.9rem, 4vw, 2.8rem); color: var(--ink); }
.section-head p { margin-top: 14px; color: var(--slate-700); font-size: 1.05rem; }

/* service cards */
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.card {
  background: var(--white); border: 1px solid var(--paper-2);
  border-radius: var(--r); padding: 30px; transition: transform .15s, box-shadow .15s;
  border-top: 3px solid var(--ember);
}
.card:hover { transform: translateY(-3px); box-shadow: 0 14px 34px rgba(20,24,29,0.1); }
.card h3 { font-size: 1.45rem; margin-bottom: 10px; }
.card p { color: var(--slate-700); font-size: 0.96rem; margin-bottom: 16px; }
.card .more { font-family: var(--display); color: var(--ember-dk); text-transform: uppercase; letter-spacing: 0.05em; font-size: 0.95rem; }
.card .more::after { content: " →"; }

/* alt section */
.alt { background: var(--slate-900); color: var(--white); }
.alt .section-head h2 { color: var(--white); }
.alt .section-head p { color: var(--slate-300); }
.alt .eyebrow { color: var(--amber); }

/* why grid */
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.why-item { padding-top: 20px; border-top: 2px solid var(--ember); }
.why-item .num { font-family: var(--display); font-size: 2.2rem; color: var(--ember); line-height: 1; }
.why-item h3 { font-size: 1.2rem; margin: 8px 0; color: var(--ink); }
.alt .why-item h3 { color: var(--white); }
.why-item p { color: var(--slate-700); font-size: 0.92rem; }
.alt .why-item p { color: var(--slate-300); }

/* error code grid */
.code-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.code-chip {
  background: var(--white); border: 1px solid var(--paper-2); border-radius: var(--r);
  padding: 16px; text-align: center; transition: all .15s;
}
.code-chip:hover { border-color: var(--ember); transform: translateY(-2px); }
.code-chip .brand-lbl { font-family: var(--display); font-size: 1.1rem; text-transform: uppercase; }
.code-chip .codes { font-size: 0.78rem; color: var(--slate-700); font-family: monospace; margin-top: 4px; }

/* areas */
.area-list { display: flex; flex-wrap: wrap; gap: 10px; }
.area-list a {
  background: var(--white); border: 1px solid var(--paper-2);
  padding: 10px 18px; border-radius: 40px; font-size: 0.9rem;
  font-family: var(--display); text-transform: uppercase; letter-spacing: 0.04em;
  transition: all .15s;
}
.area-list a:hover { background: var(--ember); color: var(--white); border-color: var(--ember); }

/* CTA band */
.cta-band { background: var(--ember); color: var(--white); text-align: center; }
.cta-band h2 { font-size: clamp(2rem, 4vw, 3rem); }
.cta-band p { margin: 14px auto 26px; max-width: 46ch; font-size: 1.05rem; }
.cta-band .btn-primary { background: var(--slate-900); }
.cta-band .btn-primary:hover { background: var(--ink); }

/* content pages */
.page-hero { background: var(--slate-900); color: var(--white); padding: 60px 0; }
.page-hero .eyebrow { color: var(--amber); }
.page-hero h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); }
.page-hero p { color: var(--slate-300); max-width: 60ch; margin-top: 14px; }
.prose { max-width: 70ch; }
.prose h2 { font-size: 1.7rem; margin: 34px 0 12px; }
.prose h3 { font-size: 1.3rem; margin: 26px 0 8px; }
.prose p { margin-bottom: 16px; color: var(--slate-700); }
.prose ul { margin: 0 0 18px 22px; color: var(--slate-700); }
.prose li { margin-bottom: 7px; }
.callout {
  background: var(--paper-2); border-left: 3px solid var(--ember);
  padding: 18px 22px; border-radius: var(--r); margin: 24px 0;
}
.callout strong { color: var(--ember-dk); }

/* symptom table */
.symptom-row {
  display: grid; grid-template-columns: 1fr 2fr; gap: 16px;
  padding: 16px 0; border-bottom: 1px solid var(--paper-2);
}
.symptom-row strong { font-family: var(--display); font-size: 1.1rem; text-transform: uppercase; color: var(--ink); }
.symptom-row span { color: var(--slate-700); font-size: 0.95rem; }

/* ============================== FOOTER ============================== */
.site-footer { background: var(--slate-900); color: var(--slate-300); padding: 54px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 36px; }
.site-footer h4 { color: var(--white); font-size: 1.05rem; margin-bottom: 14px; letter-spacing: 0.06em; }
.site-footer a { color: var(--slate-300); font-size: 0.9rem; display: block; padding: 4px 0; }
.site-footer a:hover { color: var(--amber); }
.footer-nap { font-size: 0.9rem; line-height: 1.8; }
.footer-nap strong { color: var(--white); }
.footer-bottom { border-top: 1px solid var(--slate-700); margin-top: 34px; padding-top: 20px; font-size: 0.8rem; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }

/* ============================== RESPONSIVE ============================== */
@media (max-width: 860px) {
  .nav { position: fixed; inset: 68px 0 auto 0; background: var(--slate-900); flex-direction: column; gap: 0; padding: 10px 0; display: none; border-bottom: 1px solid var(--slate-700); }
  .nav.open { display: flex; }
  .nav a { padding: 14px 24px; width: 100%; }
  .nav .call-btn { margin: 10px 24px; text-align: center; }
  .nav-toggle { display: block; }
  .hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .cards, .why-grid, .code-grid, .footer-grid { grid-template-columns: 1fr; }
  .code-grid { grid-template-columns: repeat(2, 1fr); }
  .symptom-row { grid-template-columns: 1fr; gap: 4px; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition: none !important; }
}

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

/* ============================== LOGO IN HEADER ============================== */
.brand-logo { height: 44px; width: auto; display: block; }
@media (max-width: 860px) { .brand-logo { height: 38px; } }

/* ============================== PRICING ============================== */
.price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.price-card {
  background: var(--white); border: 1px solid var(--paper-2); border-radius: var(--r);
  padding: 30px 26px; position: relative; border-top: 3px solid var(--ember);
}
.price-card.feature { border: 2px solid var(--ember); box-shadow: 0 14px 34px rgba(232,100,47,0.14); }
.price-flag {
  position: absolute; top: -12px; left: 26px; background: var(--ember); color: #fff;
  font-family: var(--display); text-transform: uppercase; letter-spacing: .05em;
  font-size: .72rem; padding: 5px 12px; border-radius: 40px;
}
.price-card h3 { font-size: 1.4rem; margin-bottom: 6px; }
.price-now { font-family: var(--display); font-size: 2.6rem; color: var(--ember-dk); line-height: 1; }
.price-now .free { color: #2e8b57; }
.price-reg { color: var(--slate-700); text-decoration: line-through; font-size: 1.05rem; margin-left: 8px; }
.price-card p { color: var(--slate-700); font-size: .94rem; margin: 12px 0 0; }
.price-card .note { font-size: .82rem; color: var(--slate-700); margin-top: 10px; }
.price-card .btn { margin-top: 18px; width: 100%; text-align: center; }

/* ============================== REVIEWS ============================== */
.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.review {
  background: var(--white); border: 1px solid var(--paper-2); border-radius: var(--r);
  padding: 26px; display: flex; flex-direction: column;
}
.review .stars { color: var(--amber); font-size: 1.1rem; letter-spacing: 2px; margin-bottom: 12px; }
.review p { color: var(--slate-700); font-style: italic; flex: 1; }
.review .who { margin-top: 16px; font-family: var(--display); text-transform: uppercase; letter-spacing: .04em; font-size: .92rem; color: var(--ink); }
.review .who span { color: var(--slate-700); text-transform: none; font-family: var(--body); font-size: .82rem; display: block; letter-spacing: 0; }
.review-note { margin-top: 26px; font-size: .9rem; color: var(--slate-700); }

/* ============================== BEFORE / AFTER ============================== */
.ba-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
.ba-card { background: var(--white); border: 1px solid var(--paper-2); border-radius: var(--r); overflow: hidden; }
.ba-imgs { display: grid; grid-template-columns: 1fr 1fr; }
.ba-imgs figure { margin: 0; position: relative; }
.ba-imgs img { width: 100%; height: 220px; object-fit: cover; display: block; background: var(--paper-2); }
.ba-imgs figcaption {
  position: absolute; top: 10px; left: 10px; background: rgba(20,24,29,.82); color: #fff;
  font-family: var(--display); text-transform: uppercase; letter-spacing: .06em; font-size: .72rem;
  padding: 4px 10px; border-radius: 3px;
}
.ba-imgs figcaption.after { background: var(--ember); }
.ba-body { padding: 20px 24px; }
.ba-body h3 { font-size: 1.25rem; margin-bottom: 6px; }
.ba-body p { color: var(--slate-700); font-size: .94rem; }
.ba-placeholder {
  width: 100%; height: 220px; display: flex; align-items: center; justify-content: center;
  background: repeating-linear-gradient(45deg, var(--paper-2), var(--paper-2) 12px, #e4dfd4 12px, #e4dfd4 24px);
  color: var(--slate-700); font-family: var(--display); text-transform: uppercase;
  letter-spacing: .05em; font-size: .8rem; text-align: center; padding: 10px;
}

@media (max-width: 860px) {
  .price-grid, .review-grid, .ba-grid { grid-template-columns: 1fr; }
}

/* ============================== ICON + TEXT BRAND ============================== */
.brand-icon { height: 38px; width: auto; display: block; flex: none; }
@media (max-width: 860px) { .brand-icon { height: 34px; } }

/* dual CTA buttons in band */
.cta-btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.btn-ghost-light { border: 2px solid rgba(255,255,255,.6); color: #fff; }
.btn-ghost-light:hover { border-color: #fff; background: rgba(255,255,255,.1); }

/* Health Check "most popular" feature card */
.price-card.popular { border: 2px solid var(--amber); box-shadow: 0 16px 40px rgba(242,164,58,.22); }
.price-card.popular .price-flag { background: var(--amber); color: var(--slate-900); }

/* health check inclusions list */
.includes { list-style: none; margin: 24px 0; }
.includes li { display: flex; gap: 14px; padding: 16px 0; border-bottom: 1px solid var(--paper-2); align-items: flex-start; }
.includes li:last-child { border-bottom: 0; }
.includes .ic-num { font-family: var(--display); font-size: 1.4rem; color: var(--ember); line-height: 1; flex: none; width: 32px; }
.includes .ic-body h3 { font-size: 1.2rem; margin-bottom: 4px; }
.includes .ic-body p { color: var(--slate-700); font-size: .95rem; margin: 0; }

/* booking embed area */
.book-embed {
  background: var(--white); border: 1px solid var(--paper-2); border-radius: var(--r);
  padding: 40px; text-align: center;
}
.book-embed p { color: var(--slate-700); margin-bottom: 20px; }

/* ============================== HEADER FIT (7 nav items) ============================== */
.site-header .wrap { gap: 16px; }
.brand-name { white-space: nowrap; font-size: 1.18rem; }
.brand-tag { white-space: nowrap; }
.nav { gap: 18px; }
.nav a { font-size: 0.76rem; white-space: nowrap; }
.nav .call-btn { white-space: nowrap; padding: 9px 14px; font-size: 0.92rem; }
@media (max-width: 1180px) {
  .nav a { font-size: 0.72rem; }
  .nav { gap: 14px; }
}
@media (max-width: 1040px) {
  /* collapse to mobile menu earlier so it never crowds */
  .nav { position: fixed; inset: 68px 0 auto 0; background: var(--slate-900); flex-direction: column; gap: 0; padding: 10px 0; display: none; border-bottom: 1px solid var(--slate-700); }
  .nav.open { display: flex; }
  .nav a { padding: 14px 24px; width: 100%; font-size: 0.92rem; }
  .nav .call-btn { margin: 10px 24px; text-align: center; font-size: 1rem; }
  .nav-toggle { display: block; }
}

/* ghost button for use on LIGHT backgrounds (dark text/border) */
.btn-ghost-dark { border: 2px solid var(--slate-700); color: var(--ink); }
.btn-ghost-dark:hover { border-color: var(--ember); color: var(--ember-dk); background: rgba(232,100,47,.06); }

/* ============================================================
   BOOKING WIDGET
   ============================================================ */
.bk { background: var(--white); border: 1px solid var(--paper-2); border-radius: var(--r); overflow: hidden; text-align: left; }

.bk-steps { display: flex; background: var(--slate-800); }
.bk-step { flex: 1; display: flex; align-items: center; gap: 8px; padding: 14px 16px; color: var(--slate-300); font-family: var(--display); text-transform: uppercase; letter-spacing: .05em; font-size: .82rem; border-right: 1px solid var(--slate-700); }
.bk-step:last-child { border-right: 0; }
.bk-step-num { width: 22px; height: 22px; border-radius: 50%; background: var(--slate-700); color: var(--slate-300); display: flex; align-items: center; justify-content: center; font-size: .78rem; flex: none; }
.bk-step.active { color: #fff; background: var(--slate-700); }
.bk-step.active .bk-step-num { background: var(--ember); color: #fff; }
.bk-step.done .bk-step-num { background: #2e8b57; color: #fff; }

.bk-body { padding: 26px; }
.bk-cat { font-size: 1.05rem; margin: 20px 0 10px; color: var(--ink); }
.bk-cat:first-child { margin-top: 0; }

.bk-svc-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.bk-svc { text-align: left; background: var(--paper); border: 1px solid var(--paper-2); border-left: 3px solid var(--ember); border-radius: var(--r); padding: 16px 18px; cursor: pointer; font: inherit; transition: all .15s; }
.bk-svc:hover { background: #fff; border-left-color: var(--amber); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(20,24,29,.08); }
.bk-svc-top { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; }
.bk-svc-name { font-family: var(--display); text-transform: uppercase; letter-spacing: .03em; font-size: 1.1rem; color: var(--ink); }
.bk-svc-price { font-family: var(--display); font-size: 1.25rem; color: var(--ember-dk); flex: none; }
.bk-svc-price.free { color: #2e8b57; }
.bk-svc-desc { color: var(--slate-700); font-size: .88rem; margin: 8px 0 0; line-height: 1.5; }
.bk-svc-dur { display: inline-block; margin-top: 8px; font-size: .76rem; color: var(--slate-700); text-transform: uppercase; letter-spacing: .06em; }

.bk-back { background: none; border: 0; color: var(--ember-dk); font-family: var(--display); text-transform: uppercase; letter-spacing: .05em; font-size: .85rem; cursor: pointer; padding: 0 0 14px; }
.bk-back:hover { text-decoration: underline; }
.bk-chosen { background: var(--paper-2); border-left: 3px solid var(--ember); padding: 12px 16px; border-radius: var(--r); margin-bottom: 18px; font-size: .95rem; color: var(--ink); }

.bk-addons { margin: 18px 0; }
.bk-addon { display: flex; gap: 10px; align-items: flex-start; padding: 10px 0; border-bottom: 1px solid var(--paper-2); font-size: .92rem; cursor: pointer; }
.bk-addon input { margin-top: 3px; }
.bk-addon-desc { color: var(--slate-700); font-size: .84rem; }

.bk-dates, .bk-times { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 6px; }
.bk-date, .bk-time { background: var(--paper); border: 1px solid var(--paper-2); border-radius: var(--r); padding: 10px 14px; cursor: pointer; font: inherit; font-size: .9rem; color: var(--ink); transition: all .12s; }
.bk-date:hover, .bk-time:hover { border-color: var(--ember); color: var(--ember-dk); }
.bk-date.sel, .bk-time.sel { background: var(--ember); border-color: var(--ember); color: #fff; }

.bk-form { margin: 4px 0 18px; }
.bk-row { margin-bottom: 14px; }
.bk-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.bk-row-3 { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 14px; }
.bk-form label { display: block; font-family: var(--display); text-transform: uppercase; letter-spacing: .04em; font-size: .82rem; color: var(--ink); }
.bk-form input, .bk-form select, .bk-form textarea {
  display: block; width: 100%; margin-top: 5px; padding: 10px 12px;
  border: 1px solid var(--paper-2); border-radius: var(--r); background: var(--paper);
  font-family: var(--body); font-size: .95rem; color: var(--ink);
}
.bk-form input:focus, .bk-form select:focus, .bk-form textarea:focus { outline: 2px solid var(--amber); outline-offset: 1px; background: #fff; }
.bk-hint { font-family: var(--body); text-transform: none; letter-spacing: 0; color: var(--slate-700); font-size: .8rem; font-weight: 400; }

.bk-btn { display: inline-block; padding: 13px 24px; border-radius: var(--r); font-family: var(--display); font-size: 1rem; letter-spacing: .04em; text-transform: uppercase; cursor: pointer; border: 2px solid transparent; transition: all .15s; }
.bk-btn-primary { background: var(--ember); color: #fff; }
.bk-btn-primary:hover { background: var(--ember-dk); }
.bk-btn-primary:disabled { opacity: .6; cursor: default; }
.bk-btn-ghost { border-color: var(--slate-700); color: var(--ink); background: transparent; }
.bk-btn-ghost:hover { border-color: var(--ember); color: var(--ember-dk); }
.bk-submit { width: 100%; }

.bk-fine { font-size: .82rem; color: var(--slate-700); margin-top: 12px; text-align: center; }
.bk-alt { font-size: .9rem; color: var(--slate-700); margin-top: 20px; }
.bk-link { background: none; border: 0; padding: 0; color: var(--ember-dk); text-decoration: underline; cursor: pointer; font: inherit; }
.bk-empty { color: var(--slate-700); margin-bottom: 16px; }

.bk-loading { display: flex; align-items: center; gap: 12px; color: var(--slate-700); padding: 30px 0; justify-content: center; }
.bk-spin { width: 18px; height: 18px; border: 2px solid var(--paper-2); border-top-color: var(--ember); border-radius: 50%; animation: bkspin .7s linear infinite; }
@keyframes bkspin { to { transform: rotate(360deg); } }

.bk-error { background: var(--paper); border-left: 3px solid var(--ember); padding: 20px; border-radius: var(--r); }
.bk-error p { color: var(--slate-700); margin-bottom: 14px; }
.bk-error-actions { display: flex; gap: 10px; flex-wrap: wrap; }

.bk-success { text-align: center; padding: 26px 10px; }
.bk-check { width: 54px; height: 54px; border-radius: 50%; background: #2e8b57; color: #fff; font-size: 1.8rem; display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; }
.bk-success h3 { font-size: 1.5rem; margin-bottom: 8px; }
.bk-success p { color: var(--slate-700); }

@media (max-width: 860px) {
  .bk-svc-grid, .bk-row-2, .bk-row-3 { grid-template-columns: 1fr; }
  .bk-body { padding: 18px; }
  .bk-step-label { display: none; }
  .bk-step { justify-content: center; }
}