:root {
  --ink: #0a0a0a;
  --ink-2: #1c1c1c;
  --graphite: #565656;
  --mist: #9b9b9b;
  --line: #e9e7e3;
  --line-2: #d9d6d0;
  --paper: #ffffff;
  --paper-2: #faf9f7;
  --gold: #a4843f;
  --gold-soft: #c2a468;
  --shadow: 0 28px 80px rgba(10, 10, 10, 0.08);
  --sans: "Montserrat", system-ui, -apple-system, "Helvetica Neue", sans-serif;
  --serif: "Playfair Display", Georgia, serif;
  --container: 1360px;
  --gutter: clamp(18px, 4vw, 56px);
  --radius-lg: 28px;
  --radius-md: 22px;
  --radius-sm: 14px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

@font-face {
  font-family: "Couture";
  src: url("../assets/css/font/Couture.otf") format("opentype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

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

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--sans);
  color: var(--ink-2);
  background:
    linear-gradient(180deg, rgba(8, 8, 8, 0.46), rgba(8, 8, 8, 0.12) 24%, rgba(255, 255, 255, 0.94) 62%),
    url("../assets/img/hero/blur.jpg") center/cover fixed no-repeat,
    var(--paper);
  line-height: 1.55;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 18% 20%, rgba(164, 132, 63, 0.18), transparent 28%),
    radial-gradient(circle at 84% 16%, rgba(255, 255, 255, 0.08), transparent 18%),
    linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.86) 60%, rgba(250, 249, 247, 0.98) 100%);
  pointer-events: none;
}

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

button,
input,
textarea,
select {
  font: inherit;
  color: inherit;
}

.page-header,
.page-shell,
.calculator-card,
.hero,
.progress-block,
.panel {
  position: relative;
  z-index: 1;
}

.page-shell {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter) 40px;
}

.page-shell--header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  padding-bottom: 24px;
}

.brand-mark {
  font-family: "Couture", var(--sans);
  font-size: 1.15rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: #ffffff;
  padding-left: 0.32em;
}

.header-link {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.86);
  transition: color 0.35s var(--ease);
}

.header-link:hover {
  color: var(--gold-soft);
}

.calculator-card {
  overflow: hidden;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(255, 255, 255, 0.4);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
  border-radius: 34px;
  padding: clamp(20px, 3vw, 40px);
}

.calculator-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.72), transparent 34%),
    linear-gradient(180deg, rgba(164, 132, 63, 0.05), transparent 22%);
  pointer-events: none;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(240px, 0.7fr);
  gap: clamp(24px, 4vw, 56px);
  align-items: end;
  padding-bottom: clamp(22px, 3vw, 32px);
  border-bottom: 1px solid var(--line);
}

.hero-copy-wrap {
  max-width: 860px;
}

.eyebrow,
.question-kicker {
  margin: 0 0 12px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
}

h1,
h2 {
  margin: 0;
  color: var(--ink);
  line-height: 0.96;
}

h1 {
  font-family: "Couture", var(--sans);
  font-size: clamp(2.2rem, 4.8vw, 4.3rem);
  font-weight: 400;
  max-width: 12ch;
}

h2 {
  font-family: "Couture", var(--sans);
  font-size: clamp(1.45rem, 2.4vw, 2.25rem);
  font-weight: 400;
  max-width: 14ch;
}

.hero-copy,
.panel-copy p,
.question-copy,
.estimate-copy,
.note-box p,
.success-wrap p,
label,
.progress-meta,
.summary-label {
  color: var(--graphite);
}

.hero-copy,
.panel-copy p,
.question-copy,
.estimate-copy,
.note-box p,
.success-wrap p {
  font-size: 1rem;
  line-height: 1.72;
}

.hero-copy {
  max-width: 58ch;
  margin-top: 16px;
}

.hero-aside {
  display: grid;
  gap: 14px;
  align-self: stretch;
  align-content: end;
  padding: 18px 0 0 22px;
  border-left: 1px solid var(--line);
}

.hero-note {
  margin: 0;
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.35rem, 2vw, 1.8rem);
  color: var(--gold);
}

.hero-detail {
  margin: 0;
  max-width: 26ch;
  font-size: 0.86rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--mist);
}

.progress-block {
  margin-top: 22px;
  padding: 18px 20px;
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.progress-meta {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.progress-track {
  width: 100%;
  height: 2px;
  background: var(--line-2);
  overflow: hidden;
}

.progress-fill {
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--gold-soft), var(--gold));
  transition: width 240ms ease;
}

.panel {
  display: none;
  margin-top: 22px;
  animation: rise 320ms ease;
}

.panel.active {
  display: block;
}

.panel-copy,
.estimate-wrap,
.success-wrap {
  padding: clamp(20px, 2.5vw, 28px);
  background: linear-gradient(180deg, #ffffff 0%, #faf9f7 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}

.panel-copy p,
.estimate-copy,
.success-wrap p {
  max-width: 58ch;
  margin-top: 14px;
}

.options-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 20px;
}

.option-card {
  width: 100%;
  text-align: left;
  border: 1px solid var(--line);
  background: var(--paper);
  border-radius: var(--radius-md);
  padding: 16px;
  color: var(--ink-2);
  cursor: pointer;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease,
    box-shadow 180ms ease;
}

.option-card:hover,
.option-card:focus-visible {
  transform: translateY(-3px);
  border-color: rgba(164, 132, 63, 0.52);
  box-shadow: 0 18px 40px rgba(10, 10, 10, 0.08);
  outline: none;
}

.option-card strong {
  display: block;
  font-size: 0.94rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
}

.option-card span {
  display: block;
  margin-top: 8px;
  color: var(--graphite);
  line-height: 1.6;
  font-size: 0.9rem;
}

.actions,
.cta-row {
  display: flex;
  gap: 14px;
  margin-top: 28px;
  flex-wrap: wrap;
}

#panel-intro .button,
#panel-estimate .cta-row,
#panel-lead .cta-row,
#panel-success .button {
  margin-top: 10px;
}

.button {
  --bg: var(--ink);
  --fg: var(--paper);
  --bd: var(--ink);
  position: relative;
  z-index: 0;
  appearance: none;
  border: 1px solid var(--bd);
  background: var(--bg);
  color: var(--fg);
  border-radius: 999px;
  padding: 13px 22px;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  cursor: pointer;
  overflow: hidden;
  isolation: isolate;
  transition: color 0.35s var(--ease), border-color 0.35s var(--ease), transform 180ms ease;
}

.button::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--gold);
  transform: translateY(101%);
  transition: transform 0.42s var(--ease);
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
  outline: none;
}

.button:hover::after,
.button:focus-visible::after {
  transform: translateY(0);
}

.button-primary {
  --bg: var(--ink);
  --fg: var(--paper);
  --bd: var(--ink);
}

.button-secondary {
  --bg: transparent;
  --fg: var(--ink);
  --bd: var(--line-2);
}

.button-primary:hover,
.button-primary:focus-visible,
.button-secondary:hover,
.button-secondary:focus-visible {
  color: #ffffff;
  border-color: var(--gold);
}

.estimate-price {
  margin: 12px 0 14px;
  font-family: "Couture", var(--sans);
  font-size: clamp(2rem, 4vw, 3.8rem);
  line-height: 0.95;
  color: var(--ink);
}

.estimate-summary,
.form-summary,
.note-box {
  border-radius: var(--radius-md);
  background: var(--paper);
  border: 1px solid var(--line);
}

.estimate-summary,
.form-summary {
  margin-top: 18px;
  padding: 6px 16px;
}

.summary-line {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.summary-line:last-child {
  border-bottom: 0;
}

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

.note-box {
  margin-top: 16px;
  padding: 16px;
}

.lead-form {
  margin-top: 20px;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

label {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #ffffff;
  padding: 12px 14px;
  font-size: 0.92rem;
  font-weight: 400;
  letter-spacing: 0.01em;
  text-transform: none;
  color: var(--ink);
}

input:focus,
textarea:focus,
select:focus {
  outline: 1.5px solid rgba(164, 132, 63, 0.42);
  border-color: rgba(164, 132, 63, 0.58);
}

.textarea-field {
  margin-top: 14px;
}

.checkbox-field {
  flex-direction: row;
  align-items: flex-start;
  gap: 12px;
  margin-top: 18px;
  letter-spacing: 0.06em;
  text-transform: none;
}

.checkbox-field input {
  width: 18px;
  min-width: 18px;
  height: 18px;
  margin-top: 2px;
  padding: 0;
}

.checkbox-field span {
  line-height: 1.6;
}

.conditional-field[hidden] {
  display: none;
}

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

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 920px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .hero-aside {
    padding: 20px 0 0;
    border-left: 0;
    border-top: 1px solid var(--line);
  }
}

@media (max-width: 760px) {
  .page-shell {
    padding: 0 14px 28px;
  }

  .page-shell--header {
    padding-top: 18px;
    padding-bottom: 18px;
  }

  .brand-mark {
    font-size: 0.95rem;
    letter-spacing: 0.24em;
  }

  .header-link {
    font-size: 0.66rem;
  }

  .calculator-card {
    padding: 18px 14px;
    border-radius: 22px;
  }

  .panel-copy,
  .estimate-wrap,
  .success-wrap,
  .progress-block {
    padding: 16px 14px;
  }

  .options-grid,
  .field-grid {
    grid-template-columns: 1fr;
  }

  .progress-meta,
  .summary-line {
    flex-direction: column;
  }

  .summary-value {
    text-align: left;
  }
}