* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #090807;
  color: #ffffff;
}

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

img {
  width: 100%;
  display: block;
}

.navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 5%;
  background: rgba(9, 8, 7, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.logo {
  font-size: 22px;
  font-weight: 900;
  line-height: 1;
}

.logo span,
.footer span,
.yellow,
.stat strong {
  color: #f6b82f;
}

.nav-links {
  display: flex;
  gap: 30px;
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.btn {
  border: none;
  border-radius: 10px;
  padding: 14px 22px;
  background: #f6b82f;
  color: #111;
  font-weight: 900;
  text-transform: uppercase;
  cursor: pointer;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-small {
  padding: 11px 16px;
}

.btn-outline {
  background: transparent;
  color: #fff;
  border: 1px solid #f6b82f;
}

.full {
  display: block;
  width: 100%;
  text-align: center;
}

.menu-btn {
  display: none;
  background: transparent;
  border: none;
  color: white;
  font-size: 28px;
}

.hero {
  min-height: calc(100vh - 76px);
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 35px;
  align-items: center;
  padding: 55px 5%;
  background: radial-gradient(circle at 75% 20%, rgba(246, 184, 47, 0.18), transparent 34%);
}

.eyebrow {
  color: #f6b82f;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.hero h1 {
  margin: 10px 0;
  font-size: clamp(44px, 7vw, 92px);
  line-height: 0.92;
  text-transform: uppercase;
}

.hero-text {
  max-width: 620px;
  font-size: 20px;
  line-height: 1.6;
  color: #dddddd;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 26px;
}

.small-note {
  color: #c9b98b;
  font-size: 13px;
}

.hero-image img,
.story-image img,
.final-image img {
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 25px 70px rgba(0, 0, 0, 0.45);
}

.marquee {
  overflow: hidden;
  white-space: nowrap;
  padding: 16px 0;
  background: #11100e;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  color: #f6b82f;
  font-weight: 900;
}

.marquee div {
  display: inline-block;
  padding-left: 100%;
  animation: marquee 28s linear infinite;
}

@keyframes marquee {
  to {
    transform: translateX(-100%);
  }
}

.section {
  padding: 70px 5%;
}

.section h2,
.final-text h2 {
  margin: 0 0 28px;
  font-size: clamp(34px, 5vw, 60px);
  line-height: 1;
  text-transform: uppercase;
}

.center {
  text-align: center;
}

.story-section {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 35px;
  align-items: center;
}

.story-text p,
.card p,
.final-text p {
  color: #dddddd;
  line-height: 1.6;
}

.cards {
  display: grid;
  gap: 18px;
}

.three {
  grid-template-columns: repeat(3, 1fr);
}

.four {
  grid-template-columns: repeat(4, 1fr);
}

.card {
  padding: 24px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.03));
  border: 1px solid rgba(255, 255, 255, 0.11);
}

.card h3 {
  text-transform: uppercase;
}

.icon {
  font-size: 42px;
  color: #f6b82f;
}

.stat strong {
  font-size: 44px;
}

.impact-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.impact-grid button {
  padding: 24px;
  border-radius: 16px;
  background: #14120f;
  color: white;
  border: 1px solid rgba(246, 184, 47, 0.4);
  cursor: pointer;
}

.impact-grid strong {
  display: block;
  color: #f6b82f;
  font-size: 34px;
}

.impact-grid span {
  text-transform: uppercase;
  font-weight: 900;
}

.faq details {
  margin-bottom: 10px;
  padding: 18px;
  border-radius: 12px;
  background: #12100e;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.faq summary {
  font-weight: 900;
  cursor: pointer;
}

.final-cta {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 35px;
  align-items: center;
  padding: 70px 5%;
  background: linear-gradient(90deg, #0d0b09, #17120b);
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px 5%;
  color: #bbbbbb;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Modal */

.modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 100;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(0, 0, 0, 0.75);
}

.modal.show {
  display: flex;
}

.modal-content {
  position: relative;
  width: min(680px, 100%);
  max-height: 90vh;
  overflow-y: auto;
  padding: 28px;
  border-radius: 24px;
  background: #12100e;
  border: 1px solid rgba(246, 184, 47, 0.35);
}

.close-btn {
  position: absolute;
  right: 18px;
  top: 12px;
  border: none;
  background: transparent;
  color: white;
  font-size: 34px;
  cursor: pointer;
}

.selected-amount {
  color: #f6b82f;
  font-weight: 900;
}

.payment-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 9px;
  margin: 20px 0;
}

.payment-tabs button,
.crypto-buttons button {
  padding: 12px;
  border-radius: 10px;
  border: 1px solid rgba(246, 184, 47, 0.4);
  background: #17130e;
  color: white;
  font-weight: 900;
  cursor: pointer;
}

.payment-panel {
  display: none;
}

.payment-panel.active {
  display: block;
}

.crypto-buttons {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 9px;
}

.wallet-box {
  margin-top: 14px;
  padding: 18px;
  border-radius: 14px;
  background: #070707;
  word-break: break-all;
}

.warning {
  color: #ffcf6b;
  font-size: 14px;
}

input {
  width: 100%;
  margin: 8px 0;
  padding: 14px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.18);
  background: #0a0908;
  color: white;
}

/* Mobile */

@media (max-width: 850px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    padding: 24px 5%;
    background: #090807;
  }

  .nav-links.open {
    display: flex;
  }

  .menu-btn {
    display: block;
  }

  .navbar .btn-small {
    display: none;
  }

  .hero,
  .story-section,
  .final-cta {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 35px;
  }

  .hero-image {
    order: -1;
  }

  .three,
  .four,
  .impact-grid {
    grid-template-columns: 1fr;
  }

  .payment-tabs,
  .crypto-buttons {
    grid-template-columns: 1fr;
  }

  .footer {
    flex-direction: column;
  }
}