:root {
  --ink: #101418;
  --muted: #606762;
  --paper: #fffaf0;
  --cream: #f7efe1;
  --turquoise: #00a99d;
  --turquoise-dark: #056f68;
  --gold: #d4af37;
  --burgundy: #5d1234;
  --line: rgba(16, 20, 24, 0.12);
  --shadow: 0 24px 70px rgba(15, 20, 24, 0.10);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 8% 8%, rgba(0, 169, 157, 0.14), transparent 30%),
    radial-gradient(circle at 92% 12%, rgba(212, 175, 55, 0.18), transparent 28%),
    linear-gradient(180deg, #fffaf0 0%, #f5eadb 100%);
}

a { color: inherit; }

.asc-header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 22px;
  padding: 18px clamp(18px, 5vw, 70px);
  background: rgba(255, 250, 240, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.asc-brand {
  font-weight: 950;
  letter-spacing: -0.045em;
  text-decoration: none;
  font-size: 23px;
}

.asc-header nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 14px;
  font-weight: 800;
}

.asc-header nav a {
  text-decoration: none;
  color: #303735;
}

main {
  max-width: 1180px;
  margin: 0 auto;
  padding: 42px clamp(18px, 4vw, 40px) 80px;
}

.asc-hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(30px, 6vw, 76px);
  align-items: center;
  padding: 34px 0 58px;
}

.asc-kicker {
  margin: 0 0 12px;
  color: var(--burgundy);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-weight: 950;
  font-size: 13px;
}

h1 {
  margin: 0 0 20px;
  font-size: clamp(44px, 8vw, 86px);
  line-height: 0.92;
  letter-spacing: -0.075em;
}

.asc-lead {
  max-width: 680px;
  font-size: clamp(18px, 2vw, 23px);
  line-height: 1.58;
  color: #38403c;
}

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

.asc-primary,
.asc-secondary,
.asc-brief-actions button,
.asc-brief-actions a,
.asc-lead-form button {
  border: 0;
  cursor: pointer;
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 13px 20px;
  font-weight: 950;
  text-decoration: none;
  font-size: 15px;
}

.asc-primary,
.asc-lead-form button {
  background: linear-gradient(135deg, var(--turquoise), var(--turquoise-dark));
  color: white;
  box-shadow: 0 18px 42px rgba(0, 169, 157, 0.24);
}

.asc-secondary,
.asc-brief-actions button,
.asc-brief-actions a {
  background: rgba(255, 255, 255, 0.54);
  color: var(--burgundy);
  border: 1px solid rgba(93, 18, 52, 0.25);
}

.asc-hero-card {
  margin: 0;
  border-radius: 36px;
  overflow: hidden;
  border: 1px solid rgba(212, 175, 55, 0.38);
  box-shadow: 0 34px 90px rgba(16, 20, 24, 0.18);
  background: #101418;
}

.asc-hero-card img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 11;
  object-fit: cover;
}

.asc-calculator-shell {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 24px;
  align-items: start;
}

.asc-panel,
.asc-section {
  border: 1px solid var(--line);
  border-radius: 32px;
  background: rgba(255, 255, 255, 0.58);
  box-shadow: var(--shadow);
}

.asc-panel {
  padding: clamp(24px, 4vw, 36px);
}

.asc-section {
  padding: clamp(28px, 5vw, 44px);
  margin-top: 34px;
}

.asc-panel h2,
.asc-section h2 {
  margin: 0 0 16px;
  font-size: clamp(30px, 4.5vw, 48px);
  line-height: 0.98;
  letter-spacing: -0.06em;
}

.asc-section-intro,
.asc-panel p {
  line-height: 1.65;
  color: var(--muted);
}

label {
  display: block;
  margin: 17px 0;
  font-weight: 900;
  color: #2b302e;
}

select,
input,
textarea {
  width: 100%;
  margin-top: 8px;
  border-radius: 16px;
  border: 1px solid rgba(16, 20, 24, 0.14);
  background: rgba(255, 250, 240, 0.76);
  color: var(--ink);
  font: inherit;
  padding: 13px 14px;
  outline: none;
}

select:focus,
input:focus,
textarea:focus {
  border-color: rgba(0, 169, 157, 0.68);
  box-shadow: 0 0 0 4px rgba(0, 169, 157, 0.12);
}

.asc-two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.asc-unit-input {
  position: relative;
}

.asc-unit-input input {
  padding-right: 48px;
}

.asc-unit-input span {
  position: absolute;
  right: 14px;
  top: 50%;
  color: var(--muted);
  font-weight: 900;
  pointer-events: none;
}

.asc-result-number {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 6px 0 8px;
}

.asc-result-number span {
  font-size: clamp(62px, 9vw, 96px);
  font-weight: 950;
  letter-spacing: -0.08em;
  color: var(--turquoise-dark);
}

.asc-result-number small {
  font-weight: 950;
  color: var(--burgundy);
}

.asc-main-size {
  font-size: 18px;
}

.asc-preview {
  margin: 24px 0;
  border-radius: 26px;
  background:
    linear-gradient(180deg, rgba(255,250,240,.72), rgba(247,239,225,.84)),
    repeating-linear-gradient(90deg, rgba(16,20,24,.03) 0 1px, transparent 1px 42px);
  border: 1px solid rgba(16, 20, 24, 0.10);
  padding: 20px;
}

.asc-wall {
  position: relative;
  height: 340px;
  border-radius: 22px;
  background:
    radial-gradient(circle at 20% 14%, rgba(212, 175, 55, 0.14), transparent 26%),
    linear-gradient(180deg, #fffaf0, #eee2d1);
  border: 1px solid rgba(16, 20, 24, 0.08);
  overflow: hidden;
}

.asc-preview-art {
  position: absolute;
  left: 50%;
  top: 38px;
  transform: translateX(-50%);
  width: 46%;
  height: 128px;
  border-radius: 12px;
  background:
    radial-gradient(circle at 35% 34%, rgba(212, 175, 55, 0.95), transparent 18%),
    linear-gradient(135deg, #051716, #00a99d 50%, #5d1234);
  border: 8px solid #171413;
  box-shadow: 0 18px 42px rgba(16, 20, 24, 0.20);
  transition: width .25s ease, height .25s ease;
}

.asc-preview-art span {
  position: absolute;
  left: 10px;
  bottom: 8px;
  color: rgba(255, 250, 240, 0.82);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .12em;
}

.asc-preview-furniture {
  position: absolute;
  left: 50%;
  bottom: 42px;
  transform: translateX(-50%);
  width: 70%;
  height: 76px;
  border-radius: 32px 32px 18px 18px;
  background: linear-gradient(135deg, #5d1234, #271015);
  box-shadow: 0 18px 38px rgba(16, 20, 24, 0.18);
  transition: width .25s ease;
}

.asc-preview-furniture::before,
.asc-preview-furniture::after {
  content: "";
  position: absolute;
  bottom: -18px;
  width: 32px;
  height: 24px;
  border-radius: 0 0 10px 10px;
  background: #171413;
}

.asc-preview-furniture::before { left: 15%; }
.asc-preview-furniture::after { right: 15%; }

.asc-preview-furniture span {
  position: absolute;
  left: 18px;
  top: 20px;
  color: rgba(255, 250, 240, 0.76);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .12em;
}

.asc-options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 13px;
}

.asc-options article {
  padding: 16px;
  border-radius: 20px;
  background: rgba(255, 250, 240, 0.78);
  border: 1px solid rgba(16, 20, 24, 0.09);
}

.asc-options article.active {
  border-color: rgba(0, 169, 157, 0.48);
  background: rgba(0, 169, 157, 0.08);
}

.asc-options span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 950;
  text-transform: uppercase;
  letter-spacing: .12em;
  margin-bottom: 6px;
}

.asc-options strong {
  font-size: 17px;
}

.asc-advice-box {
  margin-top: 18px;
  padding: 20px;
  border-radius: 22px;
  background: linear-gradient(135deg, rgba(93, 18, 52, 0.08), rgba(212, 175, 55, 0.10));
  border: 1px solid rgba(93, 18, 52, 0.12);
}

.asc-advice-box h3 {
  margin: 0 0 8px;
  letter-spacing: -0.03em;
}

.asc-brief-section {
  margin-top: 34px;
}

#shoppingBrief {
  min-height: 210px;
  line-height: 1.55;
  resize: vertical;
}

.asc-lead-box {
  margin-top: 34px;
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: 22px;
  align-items: center;
  background:
    radial-gradient(circle at 15% 15%, rgba(212, 175, 55, 0.25), transparent 34%),
    linear-gradient(135deg, #071918, #123330 58%, #5d1234);
  color: var(--paper);
}

.asc-lead-box p {
  color: rgba(255, 250, 240, 0.78);
}

.asc-lead-box .asc-kicker {
  color: var(--gold);
}

.asc-lead-form {
  display: flex;
  gap: 10px;
  align-items: center;
}

.asc-lead-form input {
  margin: 0;
  background: rgba(255, 250, 240, 0.96);
}

.asc-lead-message {
  grid-column: 1 / -1;
  margin: 0;
  font-weight: 800;
}

.asc-guide-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.asc-guide-grid article {
  padding: 22px;
  border-radius: 22px;
  background: rgba(255, 250, 240, 0.75);
  border: 1px solid rgba(16, 20, 24, 0.08);
}

.asc-guide-grid h3 {
  margin: 0 0 10px;
  letter-spacing: -0.035em;
}

.asc-guide-grid p {
  color: var(--muted);
  line-height: 1.65;
}

.asc-guide-grid a {
  display: inline-flex;
  margin-top: 8px;
  font-weight: 950;
  color: var(--burgundy);
  text-decoration: none;
}

.asc-faq details {
  border-top: 1px solid var(--line);
  padding: 18px 0;
}

.asc-faq summary {
  cursor: pointer;
  font-weight: 950;
  font-size: 18px;
}

.asc-faq p {
  color: var(--muted);
  line-height: 1.65;
}

.asc-footer {
  padding: 36px clamp(18px, 5vw, 70px);
  border-top: 1px solid var(--line);
  background: rgba(255, 250, 240, 0.74);
  color: var(--muted);
}

.asc-footer nav {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 12px;
  font-weight: 850;
}

.asc-footer nav a {
  text-decoration: none;
}

@media (max-width: 920px) {
  .asc-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .asc-hero,
  .asc-calculator-shell,
  .asc-lead-box {
    grid-template-columns: 1fr;
  }

  .asc-guide-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 680px) {
  main {
    padding-top: 26px;
  }

  .asc-two,
  .asc-options,
  .asc-guide-grid,
  .asc-lead-form {
    grid-template-columns: 1fr;
    flex-direction: column;
  }

  .asc-panel,
  .asc-section {
    border-radius: 24px;
  }

  .asc-wall {
    height: 300px;
  }

  .asc-preview-art {
    top: 34px;
  }
}