@import url('https://fonts.googleapis.com/css2?family=Inter:wght@600;700&family=Poppins:wght@300;400;500;600;700&family=Work+Sans:wght@300;400;500;600;700&display=swap');

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

html,
body {
  height: 100%;
  margin: 0;
}

body {
  font-family: 'Work Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
  letter-spacing: -0.01em;
  background: #fff;
  color: #000;
  overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: 'Poppins', 'Work Sans', sans-serif;
  margin: 0;
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

.page {
  min-height: 100vh;
}

.hidden {
  display: none !important;
}

/* Nav */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
}

.nav-inner {
  max-width: 1920px;
  margin: 0 auto;
  padding: 1.25rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

@media (min-width: 1024px) {
  .nav-inner {
    padding: 1.25rem 4rem;
  }
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-logo {
  width: 2.5rem;
  height: 2.5rem;
  object-fit: contain;
}

.nav-title {
  letter-spacing: 0.15em;
  font-size: 0.875rem;
}

.nav-btn {
  padding: 0.75rem 2rem;
  background: #000;
  color: #fff;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  letter-spacing: 0.05em;
  transition: background 0.2s;
}

.nav-btn:hover {
  background: #1f2937;
}

.nav-btn svg {
  flex-shrink: 0;
}

/* Hero */
.hero {
  padding: 7rem 2rem 3rem;
  background: linear-gradient(to bottom, #f9fafb, #fff);
}

@media (min-width: 1024px) {
  .hero {
    padding: 8rem 4rem 5rem;
  }
}

.hero-inner {
  max-width: 1920px;
  margin: 0 auto;
}

.hero-grid {
  display: grid;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
  }
}

.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  order: 2;
}

@media (min-width: 1024px) {
  .hero-visual {
    order: 1;
  }
}

.hero-card-wrap {
  position: relative;
  max-width: 28rem;
}

@media (min-width: 1024px) {
  .hero-card-wrap {
    max-width: 32rem;
  }
}

.hero-card {
  background: linear-gradient(to bottom right, #f3f4f6, #f9fafb);
  padding: 2rem;
  border: 1px solid #e5e7eb;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

@media (min-width: 1024px) {
  .hero-card {
    padding: 3rem;
  }
}

.hero-card-inner {
  background: #fff;
  padding: 1rem;
  border: 1px solid #d1d5db;
}

.hero-card-meta {
  margin-top: 1.5rem;
}

.hero-card-meta p {
  margin: 0.25rem 0 0;
}

.hero-card-meta .label {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: #6b7280;
}

.hero-card-meta .sub {
  font-size: 0.875rem;
  color: #374151;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  order: 1;
}

@media (min-width: 1024px) {
  .hero-content {
    order: 2;
  }
}

.hero-intro {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.hero-kicker {
  font-size: 0.875rem;
  letter-spacing: 0.2em;
  color: #4b5563;
  margin: 0;
}

.hero-heading {
  line-height: 1.1;
}

.hero-heading-one-line .title-line {
  display: block;
  letter-spacing: -0.02em;
  white-space: nowrap;
  max-width: 100%;
  font-size: clamp(1.65rem, 6.5vw, 2.5rem);
}

@media (min-width: 1024px) {
  .hero-heading-one-line .title-line {
    font-size: clamp(2.15rem, 4.5vw, 3.15rem);
  }
}

.hero-heading .title-line .muted {
  color: #4b5563;
}

.hero-lead {
  font-size: 1.125rem;
  color: #374151;
  max-width: 32rem;
  line-height: 1.625;
  margin: 0;
}

@media (min-width: 1024px) {
  .hero-lead {
    font-size: 1.25rem;
  }
}

/* Eligibility box */
.eligibility {
  border: 1px solid #e5e7eb;
  background: #f9fafb;
  padding: 2rem;
  max-width: 36rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

@media (min-width: 1024px) {
  .eligibility {
    padding: 2.5rem;
  }
}

.eligibility h3 {
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.eligibility .section-intro {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.eligibility .hint {
  font-size: 0.875rem;
  color: #4b5563;
  line-height: 1.625;
  margin: 0;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.field label {
  font-size: 0.875rem;
  letter-spacing: 0.05em;
  color: #4b5563;
}

.field input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid #d1d5db;
  background: #fff;
  font: inherit;
  transition: border-color 0.2s;
}

.field input:focus {
  outline: none;
  border-color: #000;
}

.fields {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.fields-before-submit {
  margin-bottom: 2.5rem;
}

.btn-primary {
  width: 100%;
  padding: 1rem;
  background: #000;
  color: #fff;
  font-size: 0.875rem;
  letter-spacing: 0.15em;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  transition: background 0.2s;
}

@media (min-width: 1024px) {
  .btn-primary {
    padding: 1.25rem;
  }
}

.btn-primary:hover:not(:disabled) {
  background: #1f2937;
}

.btn-primary:disabled {
  background: #9ca3af;
  cursor: not-allowed;
}

.btn-primary.btn-disabled-mint {
  background: #d1d5db;
  cursor: not-allowed;
}

.btn-outline {
  width: 100%;
  padding: 1rem;
  border: 1px solid #d1d5db;
  font-size: 0.875rem;
  letter-spacing: 0.15em;
  transition: border-color 0.2s, background 0.2s;
}

@media (min-width: 1024px) {
  .btn-outline {
    padding: 1.25rem;
  }
}

.btn-outline:hover {
  border-color: #000;
  background: #f3f4f6;
}

.btn-text {
  width: 100%;
  font-size: 0.875rem;
  color: #4b5563;
  padding: 0.5rem;
  transition: color 0.2s;
}

.btn-text:hover {
  color: #000;
}

.alert {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
}

.alert-success {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
}

.alert-success p {
  margin: 0;
}

.alert-success .title {
  font-size: 0.875rem;
  letter-spacing: 0.05em;
  color: #166534;
}

.alert-success .sub {
  font-size: 0.75rem;
  color: #16a34a;
}

.alert-error {
  background: #fef2f2;
  border: 1px solid #fecaca;
}

.alert-error p {
  margin: 0;
}

.alert-error .title {
  font-size: 0.875rem;
  letter-spacing: 0.05em;
  color: #991b1b;
}

.alert-error .sub {
  font-size: 0.75rem;
  color: #dc2626;
}

.mint-block {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.price-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  border-bottom: 1px solid #e5e7eb;
  padding-bottom: 1rem;
}

.price-row .label {
  font-size: 0.875rem;
  letter-spacing: 0.05em;
  color: #4b5563;
}

.price-row .value {
  font-size: 2rem;
  letter-spacing: -0.02em;
}

@media (min-width: 1024px) {
  .price-row .value {
    font-size: 2.25rem;
  }
}

.price-row .suffix {
  font-size: 0.875rem;
  margin-left: 0.5rem;
  color: #4b5563;
}

.qty-row {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.qty-btn {
  width: 3rem;
  height: 3rem;
  border: 1px solid #d1d5db;
  font-size: 1.25rem;
  transition: border-color 0.2s, background 0.2s;
}

.qty-btn:hover {
  border-color: #000;
  background: #f3f4f6;
}

.qty-value {
  font-size: 2.25rem;
  width: 5rem;
  text-align: center;
  letter-spacing: -0.02em;
}

.total-row {
  padding-top: 1.5rem;
  border-top: 1px solid #e5e7eb;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}

.eligibility .fine-print {
  font-size: 0.75rem;
  color: #6b7280;
  line-height: 1.625;
  margin: 0;
}

.icon-arrow {
  transition: transform 0.2s;
}

.btn-primary:hover:not(:disabled) .icon-arrow {
  transform: translateX(4px);
}

/* Features */
.features {
  padding: 5rem 2rem;
  background: #000;
  color: #fff;
}

@media (min-width: 1024px) {
  .features {
    padding: 8rem 4rem;
  }
}

.features-inner {
  max-width: 1920px;
  margin: 0 auto;
}

.features h2 {
  text-align: center;
  font-size: 1.875rem;
  margin-bottom: 5rem;
  letter-spacing: -0.02em;
}

@media (min-width: 1024px) {
  .features h2 {
    font-size: 2.25rem;
  }
}

.feature-grid {
  display: grid;
  gap: 3rem;
}

@media (min-width: 768px) {
  .feature-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 4rem;
  }
}

.feature-item {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.feature-num {
  font-size: 3.75rem;
  letter-spacing: -0.02em;
  color: #374151;
  transition: color 0.2s;
}

@media (min-width: 1024px) {
  .feature-num {
    font-size: 4.5rem;
  }
}

.feature-item:hover .feature-num {
  color: #fff;
}

.feature-item h3 {
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

@media (min-width: 1024px) {
  .feature-item h3 {
    font-size: 1.5rem;
  }
}

.feature-item p {
  color: #9ca3af;
  line-height: 1.625;
  margin: 0;
}

/* Footer */
.footer {
  background: #fff;
  border-top: 1px solid #e5e7eb;
  padding: 2.5rem 2rem;
}

@media (min-width: 1024px) {
  .footer {
    padding: 2.5rem 4rem;
  }
}

.footer-inner {
  max-width: 1920px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .footer-inner {
    flex-direction: row;
  }
}

.footer-copy {
  font-size: 0.75rem;
  color: #4b5563;
  margin: 0;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}

.footer-links a {
  color: #4b5563;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: #000;
}

/* Greek Ξ — consistent with Latin when Poppins lacks Greek */
.xi {
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  font-weight: 700;
  display: inline-block;
  line-height: 1;
  letter-spacing: 0;
}

h1 .xi {
  font-size: 0.92em;
  vertical-align: 0.06em;
}
