:root {
  --bg: #f4f4f5;
  --surface: #ffffff;
  --surface-strong: #ebebed;
  --text: #141414;
  --muted: #6b7280;
  --line: rgba(20, 20, 20, 0.12);
  --dark: #0e0e10;
  --dark-soft: #1a1a1d;
  --accent: #ffd60a;
  --accent-strong: #f5b800;
  --accent-dark: #7a5c00;
  --warning: #f59e0b;
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 16px;
  --shadow-soft: 0 24px 70px rgba(15, 15, 17, 0.14);
  --shadow-card: 0 18px 50px rgba(15, 15, 17, 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(--text);
  background: radial-gradient(circle at top left, rgba(245, 184, 0, 0.10), transparent 32rem), var(--bg);
  line-height: 1.55;
}

body.menu-open {
  overflow: hidden;
}

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

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

.container {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
}

.section-pad {
  padding: 92px 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(20px);
  background: rgba(244, 244, 245, 0.85);
  border-bottom: 1px solid rgba(20, 20, 20, 0.08);
}

.header-inner {
  height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 900;
}

.brand-mark {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  color: #141414;
  background: linear-gradient(135deg, var(--accent), #ffe45c);
  border-radius: 15px;
  box-shadow: 0 12px 30px rgba(245, 184, 0, 0.30);
  letter-spacing: -0.06em;
}

.brand-text {
  font-size: 1.35rem;
  letter-spacing: -0.04em;
}

.brand-text span {
  color: var(--accent-dark);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  color: var(--muted);
  font-weight: 650;
}

.main-nav a {
  transition: color .2s ease;
}

.main-nav a:hover {
  color: var(--text);
}

.header-cta {
  padding: 12px 18px;
  border-radius: 999px;
  background: var(--text);
  color: white;
  font-weight: 800;
  box-shadow: 0 12px 30px rgba(20, 20, 20, 0.18);
}

.menu-button {
  display: none;
  border: 0;
  background: var(--text);
  color: white;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  cursor: pointer;
}

.hero {
  overflow: hidden;
  padding-top: 76px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
  gap: 64px;
  align-items: center;
}

.eyebrow,
.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  font-weight: 850;
  color: var(--accent-dark);
  letter-spacing: -0.01em;
}

.eyebrow span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-strong);
  box-shadow: 0 0 0 8px rgba(245, 184, 0, 0.15);
}

.hero h1,
.section-heading h2,
.form-intro h2 {
  margin: 0;
  letter-spacing: -0.065em;
  line-height: 0.98;
}

.hero h1 {
  font-size: clamp(3.1rem, 7vw, 6.6rem);
  max-width: 840px;
}

.hero-subline {
  max-width: 640px;
  color: var(--muted);
  font-size: 1.2rem;
  margin: 28px 0 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 24px;
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 900;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  background: linear-gradient(135deg, var(--accent-strong), #ffdf3d);
  color: #141414;
  box-shadow: 0 16px 38px rgba(245, 184, 0, 0.30);
}

.button-ghost {
  background: rgba(255, 255, 255, 0.72);
  color: var(--text);
  border: 1px solid var(--line);
}

.trust-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 38px;
}

.trust-row div {
  min-width: 132px;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.72);
}

.trust-row strong,
.trust-row span {
  display: block;
}

.trust-row strong {
  font-size: 1.25rem;
  letter-spacing: -0.04em;
}

.trust-row span {
  color: var(--muted);
  font-size: .92rem;
}

.hero-card {
  position: relative;
  min-height: 560px;
  display: grid;
  place-items: center;
}

.card-glow {
  position: absolute;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(245, 184, 0, 0.30), rgba(140, 140, 148, 0.12), transparent 68%);
  filter: blur(12px);
}

.valuation-card {
  position: relative;
  z-index: 2;
  width: min(440px, 100%);
  padding: 28px;
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, rgba(255,255,255,.92), rgba(255,255,255,.74));
  border: 1px solid rgba(255,255,255,.82);
  box-shadow: var(--shadow-soft);
}

.valuation-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(245, 184, 0, 0.15);
  color: var(--accent-dark);
  font-weight: 850;
}

.status-dot {
  color: var(--accent-strong);
  filter: drop-shadow(0 0 8px rgba(255, 214, 10, .7));
}

.valuation-card h2 {
  font-size: 2.25rem;
  letter-spacing: -0.055em;
  line-height: 1;
  margin: 30px 0;
}

.mini-form-preview {
  display: grid;
  gap: 14px;
}

.preview-line,
.preview-upload,
.price-box {
  border-radius: 18px;
  background: var(--surface-strong);
}

.preview-line {
  height: 54px;
  position: relative;
  overflow: hidden;
}

.preview-line::after {
  content: "";
  position: absolute;
  inset: 0;
  width: 42%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.75), transparent);
  animation: shimmer 2.2s infinite;
}

.preview-line.medium {
  width: 72%;
}

.preview-upload {
  min-height: 132px;
  display: grid;
  place-items: center;
  text-align: center;
  border: 1.5px dashed rgba(20, 20, 20, 0.18);
}

.preview-upload span {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: white;
  font-size: 1.4rem;
  font-weight: 900;
}

.preview-upload p {
  margin: -20px 0 0;
  color: var(--muted);
  font-weight: 700;
}

.price-box {
  padding: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  background: var(--dark);
  color: white;
}

.price-box span {
  color: rgba(255,255,255,.65);
}

.price-box strong {
  color: var(--accent);
  letter-spacing: -0.03em;
}

.floating-note {
  position: absolute;
  z-index: 3;
  padding: 12px 16px;
  border-radius: 999px;
  background: rgba(14, 14, 16, 0.9);
  color: white;
  font-weight: 850;
  box-shadow: 0 18px 38px rgba(15, 15, 17, 0.18);
}

.note-one {
  left: 2%;
  top: 22%;
}

.note-two {
  right: 1%;
  top: 39%;
}

.note-three {
  left: 8%;
  bottom: 18%;
}

.logos-strip {
  padding: 18px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,.6);
}

.strip-inner {
  display: flex;
  gap: 24px;
  justify-content: space-between;
  overflow-x: auto;
  color: var(--muted);
  font-weight: 900;
  white-space: nowrap;
}

.section-heading {
  text-align: center;
  margin: 0 auto 44px;
}

.section-heading.narrow {
  max-width: 720px;
}

.section-heading.left {
  text-align: left;
  margin-left: 0;
}

.section-heading h2,
.form-intro h2 {
  font-size: clamp(2.25rem, 5vw, 4.4rem);
}

.section-heading p,
.form-intro p {
  color: var(--muted);
  font-size: 1.08rem;
}

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

.step-card {
  padding: 30px;
  min-height: 260px;
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-card);
}

.featured-step {
  background: var(--dark);
  color: white;
  transform: translateY(-14px);
}

.step-number {
  display: inline-flex;
  margin-bottom: 44px;
  color: var(--accent-dark);
  font-weight: 950;
}

.featured-step .step-number {
  color: var(--accent);
}

.step-card h3 {
  margin: 0 0 12px;
  font-size: 1.45rem;
  letter-spacing: -0.03em;
}

.step-card p {
  margin: 0;
  color: var(--muted);
}

.featured-step p {
  color: rgba(255,255,255,.72);
}

.form-section {
  background: linear-gradient(180deg, transparent, rgba(255,255,255,.62));
}

.form-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) minmax(0, 1.2fr);
  gap: 44px;
  align-items: start;
}

.form-intro {
  position: sticky;
  top: 106px;
}

.check-list {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}

.check-list div {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 14px 16px;
  border-radius: 18px;
  background: white;
  border: 1px solid var(--line);
  box-shadow: 0 12px 26px rgba(15, 15, 17, 0.06);
}

.check-list span {
  color: var(--accent-dark);
  font-weight: 950;
}

.sell-form {
  padding: 30px;
  border-radius: var(--radius-xl);
  background: rgba(255,255,255,.84);
  border: 1px solid rgba(255,255,255,.88);
  box-shadow: var(--shadow-soft);
}

.form-progress {
  display: flex;
  gap: 8px;
  margin-bottom: 28px;
}

.progress-dot {
  height: 7px;
  flex: 1;
  border-radius: 999px;
  background: #e4e4e7;
}

.progress-dot.is-active {
  background: linear-gradient(90deg, var(--accent-strong), #ffe45c);
}

fieldset {
  border: 0;
  padding: 0;
  margin: 0 0 32px;
}

legend {
  width: 100%;
  margin-bottom: 18px;
  font-size: 1.15rem;
  font-weight: 950;
  letter-spacing: -0.035em;
}

.field-grid {
  display: grid;
  gap: 16px;
}

.field-grid.two {
  grid-template-columns: repeat(2, 1fr);
}

label,
.full-label {
  display: grid;
  gap: 8px;
  color: var(--text);
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid rgba(20, 20, 20, 0.14);
  border-radius: 16px;
  background: white;
  padding: 15px 15px;
  color: var(--text);
  outline: 0;
  transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent-strong);
  box-shadow: 0 0 0 5px rgba(245, 184, 0, 0.15);
}

input.is-invalid,
select.is-invalid,
textarea.is-invalid {
  border-color: #ef4444;
  box-shadow: 0 0 0 5px rgba(239, 68, 68, 0.10);
}

.full-label {
  margin-top: 16px;
}

.upload-zone {
  position: relative;
  min-height: 230px;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 28px;
  border-radius: 24px;
  border: 2px dashed rgba(20, 20, 20, 0.16);
  background: linear-gradient(180deg, rgba(245,184,0,.08), rgba(255,255,255,.92));
  cursor: pointer;
  transition: border-color .2s ease, transform .2s ease, background .2s ease;
}

.upload-zone:hover,
.upload-zone.is-dragover {
  transform: translateY(-2px);
  border-color: var(--accent-strong);
  background: linear-gradient(180deg, rgba(245,184,0,.14), rgba(255,255,255,.95));
}

.upload-zone input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.upload-icon {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  background: var(--dark);
  color: var(--accent);
  font-size: 1.6rem;
  font-weight: 950;
}

.upload-zone h3 {
  margin: 12px 0 2px;
  font-size: 1.3rem;
  letter-spacing: -0.03em;
}

.upload-zone p {
  max-width: 520px;
  margin: 0;
  color: var(--muted);
}

.upload-zone span {
  margin-top: 10px;
  color: var(--muted);
  font-size: .92rem;
}

.preview-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 14px;
}

.preview-item {
  position: relative;
  overflow: hidden;
  aspect-ratio: 1;
  border-radius: 18px;
  background: var(--surface-strong);
  border: 1px solid var(--line);
}

.preview-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.preview-item button {
  position: absolute;
  right: 8px;
  top: 8px;
  width: 28px;
  height: 28px;
  border: 0;
  border-radius: 50%;
  background: rgba(14,14,16,.88);
  color: white;
  cursor: pointer;
}

.consent {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-top: 16px;
  font-weight: 650;
  color: var(--muted);
}

.consent input {
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
  margin-top: 2px;
}

.submit-button {
  width: 100%;
}

.form-note {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: .94rem;
  text-align: center;
}

.success-box {
  margin-top: 18px;
  padding: 18px;
  border-radius: 18px;
  background: rgba(245,184,0,.14);
  border: 1px solid rgba(245,184,0,.32);
}

.success-box p {
  margin: 6px 0 0;
  color: var(--muted);
}

.dark-section {
  background: radial-gradient(circle at top right, rgba(245,184,0,.14), transparent 28rem), var(--dark);
  color: white;
}

.benefits-layout {
  display: grid;
  grid-template-columns: minmax(280px, .9fr) minmax(0, 1.1fr);
  gap: 48px;
  align-items: start;
}

.section-heading.light {
  text-align: left;
  margin: 0;
}

.section-heading.light p {
  color: rgba(255,255,255,.68);
}

.dark-section .section-kicker {
  color: var(--accent);
}

.benefit-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.benefit-grid article {
  padding: 24px;
  border-radius: 24px;
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.12);
}

.benefit-grid span {
  color: var(--accent);
  font-weight: 950;
}

.benefit-grid h3 {
  margin: 34px 0 10px;
  font-size: 1.25rem;
  letter-spacing: -0.035em;
}

.benefit-grid p {
  margin: 0;
  color: rgba(255,255,255,.68);
}

.faq-layout {
  display: grid;
  grid-template-columns: minmax(250px, .7fr) minmax(0, 1.3fr);
  gap: 42px;
}

.faq-list {
  display: grid;
  gap: 12px;
}

details {
  padding: 22px 24px;
  border-radius: 20px;
  background: white;
  border: 1px solid var(--line);
  box-shadow: 0 12px 30px rgba(15,15,17,.06);
}

summary {
  cursor: pointer;
  font-weight: 900;
  letter-spacing: -0.025em;
}

details p {
  margin: 12px 0 0;
  color: var(--muted);
}

.site-footer {
  padding: 42px 0;
  background: #0a0a0b;
  color: white;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr .8fr .5fr;
  gap: 34px;
}

.footer-brand {
  margin-bottom: 14px;
}

.site-footer p,
.site-footer a {
  color: rgba(255,255,255,.66);
}

.site-footer a {
  display: block;
  margin-top: 8px;
}

.site-footer h4 {
  margin: 0 0 12px;
}

@keyframes shimmer {
  0% { transform: translateX(-120%); }
  100% { transform: translateX(260%); }
}

@media (max-width: 920px) {
  .main-nav,
  .header-cta {
    display: none;
  }

  .menu-button {
    display: block;
  }

  .main-nav.is-open {
    position: fixed;
    top: 78px;
    left: 20px;
    right: 20px;
    display: grid;
    gap: 10px;
    padding: 18px;
    border-radius: 22px;
    background: white;
    box-shadow: var(--shadow-soft);
  }

  .main-nav.is-open a {
    padding: 14px;
    border-radius: 14px;
    background: var(--surface-strong);
  }

  .hero-grid,
  .form-layout,
  .benefits-layout,
  .faq-layout {
    grid-template-columns: 1fr;
  }

  .hero-card {
    min-height: 460px;
  }

  .form-intro {
    position: static;
  }

  .steps-grid,
  .benefit-grid {
    grid-template-columns: 1fr;
  }

  .featured-step {
    transform: none;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 28px, 1160px);
  }

  .section-pad {
    padding: 64px 0;
  }

  .hero {
    padding-top: 46px;
  }

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

  .sell-form {
    padding: 20px;
    border-radius: 24px;
  }

  .hero-actions .button {
    width: 100%;
  }

  .floating-note {
    display: none;
  }
}