@font-face {
  font-family: "Vazirmatn";
  src: url("../fonts/vazirmatn/Vazirmatn-Regular.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "Vazirmatn";
  src: url("../fonts/vazirmatn/Vazirmatn-Medium.woff2") format("woff2");
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}
@font-face {
  font-family: "Vazirmatn";
  src: url("../fonts/vazirmatn/Vazirmatn-SemiBold.woff2") format("woff2");
  font-style: normal;
  font-weight: 600;
  font-display: swap;
}
@font-face {
  font-family: "Vazirmatn";
  src: url("../fonts/vazirmatn/Vazirmatn-Bold.woff2") format("woff2");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}

:root {
  --bzc-background: #f4f0e8;
  --bzc-surface: #fffdf8;
  --bzc-text: #20201e;
  --bzc-muted: #66645f;
  --bzc-accent: #9b6044;
  --bzc-accent-dark: #7d4935;
  --bzc-border: #ded8cd;
  --bzc-success: #39745a;
  --bzc-error: #a94442;
  --bzc-radius: 18px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bzc-background);
  color: var(--bzc-text);
  font-family: "Vazirmatn", Tahoma, sans-serif;
  line-height: 1.75;
}
body, button, input { font-family: "Vazirmatn", Tahoma, sans-serif; }
a { color: inherit; }
input[type="email"], input[name="identity"], code, .bzc-ltr { direction: ltr; text-align: left; }
:focus-visible { outline: 3px solid rgba(155, 96, 68, .38); outline-offset: 3px; }

.bzc-skip-link {
  position: fixed; inset-inline-start: 1rem; top: -5rem; z-index: 1000;
  background: var(--bzc-text); color: #fff; padding: .75rem 1rem; border-radius: 8px;
}
.bzc-skip-link:focus { top: 1rem; }
.bzc-site-header {
  position: relative; z-index: 5; display: flex; align-items: center; justify-content: space-between;
  width: min(1120px, calc(100% - 2rem)); margin: 0 auto; min-height: 76px;
}
.bzc-brand, .bzc-brand:hover { color: var(--bzc-text) !important; font-size: 1.2rem; font-weight: 700; text-decoration: none; }
.bzc-header-link { color: var(--bzc-accent-dark); font-weight: 600; text-decoration: none; }
.bzc-header-link:hover { text-decoration: underline; }

.bzc-hero { min-height: calc(100vh - 132px); display: grid; place-items: center; padding: 3rem 1rem 6rem; }
.bzc-hero__content { width: min(760px, 100%); text-align: center; }
.bzc-eyebrow { margin: 0 0 1rem; color: var(--bzc-accent-dark); font-weight: 600; letter-spacing: -.01em; }
.bzc-hero h1 { margin: 0; font-size: clamp(3.5rem, 12vw, 8.5rem); line-height: 1.02; letter-spacing: -.055em; }
.bzc-hero__lead { margin: 1.6rem auto 2rem; color: var(--bzc-muted); font-size: clamp(1rem, 2.5vw, 1.3rem); }
.bzc-hero__actions { display: flex; justify-content: center; flex-wrap: wrap; gap: .8rem; }
.bzc-button {
  display: inline-flex; min-height: 48px; align-items: center; justify-content: center; gap: .4rem;
  border: 1px solid var(--bzc-accent); border-radius: 12px; padding: .68rem 1.25rem;
  background: var(--bzc-accent); color: #fff; font-size: 1rem; font-weight: 600; text-decoration: none; cursor: pointer;
  transition: transform .15s ease, background .15s ease;
}
.entry-content .bzc-button, body button.bzc-button, body a.bzc-button { background: var(--bzc-accent); border-color: var(--bzc-accent); color: #fff; }
.bzc-button:hover { background: var(--bzc-accent-dark); border-color: var(--bzc-accent-dark); transform: translateY(-1px); color: #fff; }
.bzc-button--secondary { background: transparent; color: var(--bzc-accent-dark); }
.entry-content .bzc-button--secondary, body button.bzc-button--secondary, body a.bzc-button--secondary { background: transparent; border-color: var(--bzc-accent); color: var(--bzc-accent-dark); }
.bzc-button--secondary:hover { color: #fff; }
.bzc-button--danger { background: transparent; border-color: var(--bzc-error); color: var(--bzc-error); }
.entry-content .bzc-button--danger, body a.bzc-button--danger { background: transparent; border-color: var(--bzc-error); color: var(--bzc-error); }
.bzc-button[disabled] { opacity: .55; cursor: not-allowed; transform: none; }

.bzc-site-footer { display: flex; justify-content: space-between; width: min(1120px, calc(100% - 2rem)); margin: 0 auto; padding: 1rem 0 1.5rem; color: var(--bzc-muted); font-size: .85rem; }
.bzc-page-shell { min-height: calc(100vh - 140px); width: min(1040px, calc(100% - 2rem)); margin: 2.5rem auto 5rem; }
.bzc-page-card { background: var(--bzc-surface); border: 1px solid var(--bzc-border); border-radius: var(--bzc-radius); padding: clamp(1.25rem, 5vw, 2.5rem); box-shadow: 0 18px 50px rgba(32, 32, 30, .055); }
.bzc-page-title { margin: 0 0 .35rem; font-size: clamp(1.65rem, 5vw, 2.3rem); }
.bzc-page-intro { margin: 0 0 1.8rem; color: var(--bzc-muted); }

.bzc-form { display: grid; gap: 1rem; }
.bzc-field { display: grid; gap: .4rem; }
.bzc-field label, .bzc-label { font-weight: 600; font-size: .95rem; }
.bzc-field input {
  width: 100%; min-height: 48px; border: 1px solid var(--bzc-border); border-radius: 11px;
  padding: .65rem .8rem; background: #fff; color: var(--bzc-text); font-size: 1rem;
}
.bzc-field input:focus { border-color: var(--bzc-accent); outline: 3px solid rgba(155, 96, 68, .15); }
.bzc-checkbox { display: flex; gap: .65rem; align-items: flex-start; color: var(--bzc-muted); font-size: .92rem; }
.bzc-checkbox input { margin-top: .4rem; }
.bzc-form-links { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .75rem; margin-top: .5rem; font-size: .9rem; }
.bzc-form-links a { color: var(--bzc-accent-dark); }
.bzc-notice { border-radius: 10px; padding: .75rem 1rem; margin: 0 0 1rem; border: 1px solid; }
.bzc-notice ul { margin: 0; padding-inline-start: 1.1rem; }
.bzc-notice--error { background: #fff3f2; color: #7f302e; border-color: #e7b8b6; }
.bzc-notice--success { background: #eff8f3; color: #285a43; border-color: #b9d7c7; }

.bzc-dashboard-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 1.25rem; }
.bzc-quota { padding: 1.35rem; border-radius: 14px; border: 1px solid var(--bzc-border); background: #f8f3ea; margin: 1.5rem 0; }
.bzc-quota__label { color: var(--bzc-muted); }
.bzc-quota__number { display: block; margin-top: .25rem; font-size: 2.1rem; font-weight: 700; color: var(--bzc-accent-dark); }
.bzc-dashboard-actions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .75rem; }
.bzc-dashboard-actions .bzc-button { width: 100%; }
.bzc-empty { border: 1px dashed var(--bzc-border); border-radius: 12px; text-align: center; color: var(--bzc-muted); padding: 2rem 1rem; }
.bzc-estimate-list { display: grid; gap: .8rem; }
.bzc-estimate-card { display: grid; gap: .55rem; border: 1px solid var(--bzc-border); border-radius: 14px; padding: 1rem; background: #fff; }
.bzc-estimate-card p { margin: 0; color: var(--bzc-muted); }
.bzc-estimate-card .bzc-button { justify-self: start; }
.bzc-badge { justify-self: start; border: 1px solid #b9d7c7; border-radius: 999px; padding: .25rem .7rem; color: var(--bzc-success); background: #eff8f3; font-size: .84rem; }
.bzc-placeholder { text-align: center; padding: 1rem 0; }
.bzc-placeholder__mark { width: 64px; height: 64px; display: grid; place-items: center; margin: 0 auto 1rem; border-radius: 50%; background: #f4e7dc; color: var(--bzc-accent-dark); font-size: 1.6rem; }

.bzc-estimator { display: grid; gap: 1.2rem; }
.bzc-estimator__header { display: grid; gap: .5rem; }
.bzc-estimator__steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .45rem; margin-top: .75rem; color: var(--bzc-muted); font-size: .82rem; }
.bzc-estimator__steps span { border: 1px solid var(--bzc-border); border-radius: 999px; padding: .45rem .55rem; text-align: center; background: #fff; }
.bzc-estimator__steps .is-active { border-color: var(--bzc-accent); color: var(--bzc-accent-dark); font-weight: 700; background: #fff4ed; }
.bzc-step { display: grid; gap: 1rem; }
.bzc-step h2 { margin: 0; font-size: clamp(1.25rem, 4vw, 1.65rem); }
.bzc-section-title { margin: .5rem 0 0; font-size: 1rem; }
.bzc-grid { display: grid; gap: 1rem; }
.bzc-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.bzc-field select {
  width: 100%; min-height: 48px; border: 1px solid var(--bzc-border); border-radius: 11px;
  padding: .65rem .8rem; background: #fff; color: var(--bzc-text); font-size: 1rem;
}
.bzc-scope-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .75rem; }
.bzc-scope-card { min-height: 118px; display: grid; align-content: center; gap: .45rem; border: 1px solid var(--bzc-border); border-radius: 14px; padding: 1rem; background: #fff; cursor: default; }
.bzc-scope-card input { display: none; }
.bzc-scope-card span { font-weight: 700; }
.bzc-scope-card em { color: var(--bzc-muted); font-style: normal; font-size: .85rem; }
.bzc-scope-card.is-active { border-color: var(--bzc-accent); background: #fff7ef; }
.bzc-scope-card.is-disabled { opacity: .62; background: #f7f2ea; }
.bzc-equipment { display: grid; gap: .8rem; }
.bzc-equipment-section { border: 1px solid var(--bzc-border); border-radius: 14px; overflow: hidden; background: #fff; }
.bzc-equipment-section h4 { margin: 0; padding: .85rem 1rem; color: var(--bzc-accent-dark); background: #f8f3ea; border-bottom: 1px solid var(--bzc-border); }
.bzc-equipment-row { display: grid; grid-template-columns: minmax(0, 1fr) 86px; align-items: center; gap: .75rem; padding: .7rem 1rem; border-top: 1px solid #eee6da; }
.bzc-equipment-row:first-of-type { border-top: 0; }
.bzc-equipment-row input { min-height: 40px; border: 1px solid var(--bzc-border); border-radius: 10px; padding: .4rem .55rem; direction: ltr; text-align: left; }
.bzc-equipment-row.is-disabled { opacity: .5; background: #f7f7f5; }
.bzc-step__actions { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: .5rem; }
.bzc-result-summary { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .75rem; }
.bzc-result-summary div { border: 1px solid var(--bzc-border); border-radius: 14px; background: #fff; padding: 1rem; }
.bzc-result-summary span { display: block; color: var(--bzc-muted); font-size: .85rem; margin-bottom: .45rem; }
.bzc-result-summary strong { color: var(--bzc-accent-dark); font-size: 1.15rem; }
.bzc-result-summary .is-main { background: #fff4ed; border-color: #edc9b4; }
.bzc-measurements { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .5rem; margin: 1rem 0; color: var(--bzc-muted); font-size: .88rem; }
.bzc-measurements div { border: 1px solid var(--bzc-border); border-radius: 12px; padding: .65rem; text-align: center; background: #fff; }
.bzc-result-empty, .bzc-invoice-lock { border: 1px dashed var(--bzc-border); border-radius: 14px; padding: 1.25rem; text-align: center; color: var(--bzc-muted); background: #fff; }
.bzc-small { color: var(--bzc-muted); font-size: .86rem; margin-bottom: 0; }
.bzc-invoice { border: 1px solid var(--bzc-border); border-radius: var(--bzc-radius); overflow: hidden; background: #fff; }
.bzc-invoice__bar { display: flex; justify-content: center; padding: .9rem; border-bottom: 1px solid var(--bzc-border); background: #f8f3ea; }
.bzc-invoice__body { padding: clamp(1rem, 4vw, 2rem); }
.bzc-invoice__body header { border-bottom: 3px solid var(--bzc-accent); margin-bottom: 1rem; padding-bottom: 1rem; }
.bzc-table-wrap { width: 100%; overflow-x: auto; margin-top: 1rem; }
.bzc-invoice-table { width: 100%; border-collapse: collapse; font-size: .86rem; }
.bzc-invoice-table th, .bzc-invoice-table td { border-bottom: 1px solid #eee6da; padding: .65rem .5rem; text-align: right; vertical-align: top; }
.bzc-invoice-table th { color: var(--bzc-muted); background: #f8f3ea; }
.bzc-total-row td { background: #fff4ed; font-weight: 700; color: var(--bzc-accent-dark); }
.bzc-assumptions { margin-top: 1rem; border-right: 4px solid var(--bzc-accent); background: #f8f3ea; border-radius: 12px; padding: .8rem 1rem; color: var(--bzc-muted); font-size: .85rem; }
.bzc-assumptions p { margin: .35rem 0; }

.bzc-modal { border: 0; padding: 0; border-radius: var(--bzc-radius); max-width: min(460px, calc(100% - 2rem)); color: var(--bzc-text); }
.bzc-modal::backdrop { background: rgba(32, 32, 30, .58); backdrop-filter: blur(3px); }
.bzc-modal__card { position: relative; padding: 2rem; text-align: center; background: var(--bzc-surface); }
.bzc-modal__card h2 { margin-top: 0; }
.bzc-modal__close { position: absolute; top: .65rem; inset-inline-end: .75rem; border: 0; background: transparent; font-size: 1.7rem; cursor: pointer; }
.bzc-login-modal__form { min-width: min(420px, calc(100vw - 2rem)); text-align: right; }
.bzc-login-modal__form h2, .bzc-login-modal__form p { text-align: center; }

@media (max-width: 560px) {
  .bzc-site-header { min-height: 64px; }
  .bzc-hero { min-height: calc(100vh - 112px); padding-top: 1rem; }
  .bzc-hero h1 { font-size: clamp(3.3rem, 19vw, 5.3rem); }
  .bzc-dashboard-actions { grid-template-columns: 1fr; }
  .bzc-dashboard-head { align-items: flex-start; flex-direction: column; }
  .bzc-form-links { flex-direction: column; }
  .bzc-grid--2, .bzc-scope-grid, .bzc-result-summary, .bzc-measurements, .bzc-estimator__steps { grid-template-columns: 1fr; }
  .bzc-equipment-row { grid-template-columns: minmax(0, 1fr) 74px; padding-inline: .75rem; }
  .bzc-step__actions .bzc-button { width: 100%; }
}

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

@media print {
  .bzc-site-header, .bzc-site-footer, .bzc-estimator__header, .bzc-estimator__form, .bzc-result-panel, .bzc-invoice__bar { display: none !important; }
  body { background: #fff; }
  .bzc-page-shell { width: 100%; margin: 0; }
  .bzc-page-card, .bzc-invoice { border: 0; box-shadow: none; }
}