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

:root {
  --bg: #f3f4f6;
  --surface: #f8f9fb;
  --surface-strong: #ffffff;
  --ink: #111111;
  --muted: #737373;
  --soft: #e8eaed;
  --border: #d7dbe0;
  --accent: #2f343a;
  --accent-dark: #000000;
  --success: #256d46;
  --error: #ba1a1a;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.11);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    linear-gradient(135deg, rgba(0, 0, 0, 0.045), transparent 34%),
    linear-gradient(180deg, #ffffff 0%, var(--bg) 100%);
  color: var(--ink);
  min-height: 100vh;
  min-height: 100dvh;
}

button,
input,
select {
  font: inherit;
}

button {
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  flex-direction: column;
  justify-content: center;
  gap: 24px;
  text-align: center;
  width: 100%;
  padding: 14px clamp(18px, 4vw, 54px);
  background: rgba(0, 0, 0, 0.94);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(16px);
  transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.site-header.is-scrolled {
  background: rgba(0, 0, 0, 0.62);
  border-bottom-color: rgba(255, 255, 255, 0.16);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.18);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
  min-width: 0;
}

.brand-mark img {
  width: 42px;
  height: 42px;
  object-fit: contain;
  border-radius: 10px;
}

.brand-mark span {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 0;
}

.brand-mark strong {
  color: #ffffff;
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  line-height: 1.2;
  text-transform: uppercase;
  white-space: nowrap;
}

.brand-mark small {
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  margin-top: 3px;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
}

.site-nav a {
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 9px 12px;
  text-transform: uppercase;
  transition: background 0.16s ease, color 0.16s ease;
}

.site-nav a:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
}

main {
  width: 100%;
}

.hero-section {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(360px, 0.78fr);
  gap: clamp(26px, 5vw, 72px);
  align-items: center;
  width: 100%;
  min-height: calc(100vh - 72px);
  min-height: calc(100dvh - 72px);
  margin: 0 auto;
  padding: clamp(42px, 7vw, 86px) max(18px, calc((100vw - 1180px) / 2));
  background:
    linear-gradient(135deg, rgba(0, 0, 0, 0.055), transparent 36%),
    #e9ecef;
}

.hero-copy {
  max-width: 680px;
}

.eyebrow {
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  line-height: 1.35;
  margin-bottom: 14px;
  text-transform: uppercase;
}

.hero-copy h1 {
  font-size: clamp(2.9rem, 8vw, 6.4rem);
  font-weight: 900;
  letter-spacing: 0;
  line-height: 0.95;
  max-width: 800px;
}

.hero-text {
  color: #3f3f46;
  font-size: clamp(1rem, 1.5vw, 1.16rem);
  line-height: 1.8;
  margin-top: 24px;
  max-width: 620px;
}

.trust-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.trust-pill {
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--accent-dark);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  padding: 9px 13px;
  text-transform: uppercase;
}

.verify-card {
  align-self: center;
  background: var(--surface-strong);
  border: 1px solid rgba(215, 219, 224, 0.98);
  border-radius: 8px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  background: #111111;
  color: #fff;
  padding: 22px 24px;
}

.card-header-label {
  color: rgba(255,255,255,0.58);
  font-size: 0.62rem;
  font-weight: 900;
  letter-spacing: 0.16em;
  margin-bottom: 6px;
  text-transform: uppercase;
}

.card-header h2 {
  font-size: 1.08rem;
  letter-spacing: 0;
  line-height: 1.25;
}

.status-chip {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  color: #f5f5f5;
  flex: 0 0 auto;
  font-size: 0.62rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  padding: 7px 10px;
  text-transform: uppercase;
}

.card-body {
  padding: 24px;
}

label {
  display: block;
  color: var(--muted);
  font-size: 0.66rem;
  font-weight: 900;
  letter-spacing: 0.13em;
  margin-bottom: 9px;
  text-transform: uppercase;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.input-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 118px;
  gap: 10px;
}

select,
input[type="text"] {
  width: 100%;
  background: #fff;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  color: var(--ink);
  font-size: max(16px, 0.98rem);
  font-weight: 650;
  outline: none;
  padding: 14px 15px;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

select {
  appearance: none;
  cursor: pointer;
  padding-right: 42px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%23111111' stroke-width='1.6' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-position: right 16px center;
  background-repeat: no-repeat;
}

input[type="text"] {
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

input[type="text"]::placeholder {
  color: #a3a3a3;
  font-weight: 500;
  letter-spacing: 0.04em;
}

select:focus,
input[type="text"]:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(0, 0, 0, 0.08);
}

#checkBtn {
  background: var(--ink);
  border: none;
  border-radius: 8px;
  color: #fff;
  cursor: pointer;
  font-size: 0.74rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  padding: 0 14px;
  text-transform: uppercase;
  transition: transform 0.16s ease, opacity 0.16s ease, background 0.16s ease;
}

#checkBtn:hover:not(:disabled) {
  background: var(--accent-dark);
  transform: translateY(-1px);
}

#checkBtn:disabled {
  cursor: not-allowed;
  opacity: 0.28;
}

.field-help {
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.55;
  margin-top: 9px;
}

#result {
  margin-top: 22px;
}

.empty-result,
.spinner,
.result-box {
  animation: fadeUp 0.22s ease;
}

.empty-result {
  background: #f5f6f8;
  border: 1px dashed var(--border);
  border-radius: 8px;
  padding: 18px;
}

.empty-result span {
  color: var(--accent-dark);
  display: block;
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  margin-bottom: 6px;
  text-transform: uppercase;
}

.empty-result p {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.spinner {
  align-items: center;
  color: var(--muted);
  display: flex;
  font-size: 0.9rem;
  gap: 10px;
  padding: 12px 0;
}

.spinner::before {
  animation: spin 0.7s linear infinite;
  border: 2px solid var(--soft);
  border-radius: 50%;
  border-top-color: var(--accent);
  content: "";
  flex-shrink: 0;
  height: 18px;
  width: 18px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.result-box {
  background: var(--surface-strong);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.result-box.verified {
  border-color: rgba(31, 107, 73, 0.32);
}

.result-header {
  align-items: center;
  background: var(--success);
  color: #fff;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 16px;
}

.result-header span,
.result-header strong {
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.result-fields {
  display: flex;
  flex-direction: column;
}

.field-row {
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 15px 16px;
}

.field-row:last-child {
  border-bottom: none;
}

.brand-icon-row {
  align-items: center;
  background: #f5f6f8;
  gap: 8px;
  text-align: center;
}

.brand-icon-row span {
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.brand-result-icon {
  max-height: 74px;
  max-width: 220px;
  object-fit: contain;
}

.field-label {
  color: var(--muted);
  font-size: 0.64rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.field-value {
  color: var(--ink);
  font-size: 1.02rem;
  font-weight: 760;
  overflow-wrap: anywhere;
}

.field-row.hero .field-value {
  font-size: 1.32rem;
}

.result-box.error {
  border-color: rgba(179, 38, 30, 0.28);
}

.result-box.error .result-header {
  background: var(--error);
}

.error-message {
  color: var(--error);
  font-size: 0.94rem;
  font-weight: 650;
  line-height: 1.55;
  padding: 17px;
}

.brands-section,
.sponsor-section,
.customer-trust-section,
.about-section {
  width: min(1080px, calc(100% - 36px));
  margin: 0 auto 24px;
}

.section-heading {
  margin-bottom: 18px;
}

.section-heading h2,
.customer-trust-section h2 {
  font-size: clamp(1.45rem, 3vw, 2.3rem);
  line-height: 1.1;
  letter-spacing: 0;
}

.brands-section,
.customer-trust-section,
.about-section {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(215, 219, 224, 0.9);
  border-radius: 8px;
  padding: clamp(22px, 4vw, 34px);
}

.brands-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.brand-item {
  align-items: center;
  background: var(--surface-strong);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  justify-content: center;
  min-height: 136px;
  overflow: hidden;
  padding: 18px 12px;
}

.marquee-logo {
  height: 64px;
  max-width: 100%;
  object-fit: contain;
}

.brand-item-name {
  color: var(--muted);
  display: block;
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  line-height: 1.25;
  overflow-wrap: anywhere;
  text-align: center;
  text-transform: uppercase;
}

.brand-item-name.single-word {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sponsor-section {
  background: #111111;
  border-radius: 8px;
  color: #fff;
  overflow: hidden;
  padding: clamp(24px, 4vw, 38px);
}

.sponsor-section .eyebrow {
  color: #d4d4d4;
}

.sponsor-section .section-heading h2 {
  max-width: 720px;
}

.sponsor-card {
  align-items: center;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 8px;
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: clamp(18px, 4vw, 36px);
  padding: clamp(18px, 4vw, 28px);
}

.sponsor-logo-wrap {
  align-items: center;
  background: #fff;
  border-radius: 8px;
  display: flex;
  justify-content: center;
  min-height: 132px;
  padding: 20px;
}

.sponsor-logo-wrap img {
  max-height: 108px;
  max-width: 100%;
  object-fit: contain;
}

.sponsor-label {
  color: #d4d4d4;
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.13em;
  margin-bottom: 10px;
  text-transform: uppercase;
}

.sponsor-copy h3 {
  font-size: clamp(1.55rem, 4vw, 2.6rem);
  letter-spacing: 0;
  line-height: 1;
}

.sponsor-copy p {
  color: rgba(255,255,255,0.68);
  font-size: 1rem;
  line-height: 1.75;
  margin-top: 14px;
  max-width: 620px;
}

.customer-trust-section {
  display: grid;
  grid-template-columns: 0.8fr 1fr;
  gap: clamp(22px, 5vw, 52px);
}

.customer-trust-grid {
  display: grid;
  gap: 12px;
}

.customer-trust-grid div {
  background: var(--surface-strong);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
}

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

.customer-trust-grid strong {
  font-size: 0.98rem;
  margin-bottom: 7px;
}

.customer-trust-grid span {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

.about-body {
  display: grid;
  gap: 13px;
  max-width: 780px;
}

.about-body p {
  color: #3f3f46;
  font-size: 0.98rem;
  line-height: 1.8;
}

.about-pullquote {
  border-left: 3px solid var(--accent);
  color: var(--accent-dark) !important;
  font-weight: 800;
  padding-left: 16px;
}

.about-closing {
  color: var(--ink) !important;
  font-weight: 850;
}

footer {
  align-items: center;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  font-size: 0.7rem;
  font-weight: 800;
  gap: 10px 18px;
  justify-content: space-between;
  letter-spacing: 0.1em;
  margin: 8px auto 0;
  padding: 26px clamp(18px, 4vw, 54px) 36px;
  text-transform: uppercase;
  width: min(1180px, 100%);
}

@media (max-width: 860px) {
  .site-header {
    align-items: center;
    flex-direction: column;
    gap: 12px;
  }

  .site-nav {
    gap: 4px;
    justify-content: center;
    overflow-x: auto;
    padding-bottom: 2px;
    width: 100%;
  }

  .site-nav a {
    flex: 0 0 auto;
  }

  .hero-section {
    grid-template-columns: 1fr;
    min-height: 0;
    padding-top: 36px;
  }

  .hero-copy h1 {
    font-size: clamp(2.45rem, 14vw, 4.2rem);
  }

  .customer-trust-section {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .site-header {
    padding-inline: 16px;
  }

  .brand-mark img {
    width: 38px;
    height: 38px;
  }

  .brands-section,
  .sponsor-section,
  .customer-trust-section,
  .about-section {
    width: calc(100% - 28px);
  }

  .card-header,
  .card-body {
    padding: 20px;
  }

  .card-header {
    flex-direction: column;
  }

  .input-row {
    grid-template-columns: 1fr;
  }

  #checkBtn {
    min-height: 48px;
  }

  .brands-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .sponsor-card {
    grid-template-columns: 1fr;
  }

  footer {
    align-items: flex-start;
    flex-direction: column;
    padding-inline: 16px;
  }
}