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

body {
  font-family: 'Space Grotesk', sans-serif;
  line-height: 1.6;
  color: #1a1a1a;
  background: #fafafa;
}

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.header {
  background: white;
  border-bottom: 1px solid #e0e0e0;
  padding: 20px 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: #1a1a1a;
  text-decoration: none;
}

.logo-mark {
  width: 124px;
  height: 124px;
  display: block;
  flex-shrink: 0;
}

.logo-wording {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.logo-name {
  font-family: 'Syne', sans-serif;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #0a2a52;
}

.logo-tag {
  margin-top: 5px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #4f7aa6;
}

.nav {
  display: flex;
  gap: 30px;
}

.nav-link {
  color: #1a1a1a;
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-link:hover {
  color: #0066cc;
}

@media (max-width: 768px) {
  .logo-mark {
    width: 104px;
    height: 104px;
  }

  .logo-name {
    font-size: 20px;
  }

  .logo-tag {
    font-size: 9px;
    letter-spacing: 0.16em;
  }
}

/* Hero Section */
.hero {
  padding: 80px 0;
}

.hero-split {
  display: flex;
  align-items: center;
  gap: 60px;
}

.hero-text {
  flex: 1;
  text-align: left;
}

.hero-image {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

.biplane-illustration {
  width: 100%;
  max-width: 520px;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 8px 28px rgba(0, 40, 100, 0.18);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.biplane-illustration:hover {
  transform: scale(1.02);
  box-shadow: 0 12px 36px rgba(0, 40, 100, 0.25);
}

.hero-tagline {
  font-size: 14px;
  font-weight: 500;
  color: #666;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* About hero split layout */
.about-hero-split {
  display: flex;
  align-items: center;
  gap: 50px;
}

.about-hero-text {
  flex: 1;
  text-align: left;
}

.about-hero-image {
  flex: 1;
  display: flex;
  justify-content: flex-end;
}

.biplane-illustration-about {
  width: 100%;
  max-width: 440px;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.22);
}

.hero-title {
  font-family: 'Syne', sans-serif;
  font-size: 56px;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  color: #1a1a1a;
}

.hero-description {
  font-size: 18px;
  color: #666;
  margin-bottom: 40px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 500;
  font-size: 14px;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  font-family: 'Space Grotesk', sans-serif;
}

.btn-primary {
  background: #0066cc;
  color: white;
}

.btn-primary:hover {
  background: #0052a3;
}

.btn-secondary {
  background: transparent;
  color: #1a1a1a;
  border: 2px solid #1a1a1a;
}

.btn-secondary:hover {
  background: #1a1a1a;
  color: white;
}

.btn-large {
  padding: 14px 40px;
  font-size: 16px;
}

/* Sections */
section {
  padding: 60px 0;
}

section h2 {
  font-family: 'Syne', sans-serif;
  font-size: 42px;
  font-weight: 700;
  margin-bottom: 40px;
  text-align: center;
}

/* How It Works */
.how-it-works {
  background: white;
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
}

.step {
  text-align: center;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: #0066cc;
  color: white;
  border-radius: 50%;
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 20px;
}

.step h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
}

.step p {
  color: #666;
  font-size: 14px;
}

/* Campaign Form */
.campaign-form {
  background: white;
}

.demo-note {
  text-align: center;
  color: #0066cc;
  font-size: 14px;
  margin-bottom: 30px;
}

#campaign-form {
  max-width: 500px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 24px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

label {
  display: block;
  margin-bottom: 8px;
  font-size: 14px;
  font-weight: 500;
}

input[type="text"],
input[type="email"],
input[type="number"],
select {
  width: 100%;
  padding: 12px;
  border: 1px solid #e0e0e0;
  border-radius: 4px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 14px;
}

input:focus,
select:focus {
  outline: none;
  border-color: #0066cc;
  box-shadow: 0 0 0 2px rgba(0, 102, 204, 0.1);
}

/* Success & Cancel Pages */
.success-section,
.cancel-section {
  padding: 80px 0;
  text-align: center;
}

.success-card,
.cancel-card {
  background: white;
  padding: 60px 40px;
  border-radius: 8px;
  max-width: 600px;
  margin: 0 auto;
}

.success-icon {
  font-size: 60px;
  margin-bottom: 20px;
}

.success-card h1,
.cancel-card h1 {
  font-family: 'Syne', sans-serif;
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 16px;
}

.success-message {
  color: #666;
  font-size: 16px;
  margin-bottom: 30px;
}

.campaign-details {
  background: #f5f5f5;
  padding: 20px;
  border-radius: 4px;
  margin: 30px 0;
  text-align: left;
}

.campaign-details p {
  margin: 8px 0;
  font-size: 14px;
}

.campaign-details strong {
  color: #1a1a1a;
}

.campaign-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 30px;
}

.share-notice {
  background: #e8f5e9;
  color: #2e7d32;
  padding: 12px;
  border-radius: 4px;
  margin-top: 20px;
  font-size: 14px;
}

/* Footer */
.footer {
  background: #1a1a1a;
  color: white;
  padding: 40px 0;
  text-align: center;
  margin-top: 60px;
}

.footer p {
  margin: 8px 0;
  font-size: 14px;
}

/* Admin Dashboard */
.admin-container {
  padding: 40px 20px;
}

.admin-header {
  margin-bottom: 40px;
}

.admin-header h1 {
  font-family: 'Syne', sans-serif;
  font-size: 36px;
  margin-bottom: 8px;
}

.campaign-list {
  background: white;
  border-radius: 8px;
  overflow: hidden;
}

.campaign-item {
  border-bottom: 1px solid #e0e0e0;
  padding: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.campaign-item:last-child {
  border-bottom: none;
}

.campaign-item-info h3 {
  font-size: 16px;
  margin-bottom: 4px;
}

.campaign-item-info p {
  font-size: 12px;
  color: #666;
  margin: 2px 0;
}

.campaign-item-actions {
  display: flex;
  gap: 8px;
}

.campaign-item-actions button {
  padding: 8px 16px;
  font-size: 12px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  background: #0066cc;
  color: white;
}

.campaign-item-actions button:hover {
  background: #0052a3;
}

/* Merchandise */
.merch-hero {
  background: radial-gradient(circle at 10% 20%, #e8f4ff, #ffffff 58%);
  padding-bottom: 40px;
}

.merch-kicker {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 12px;
  color: #0052a3;
  font-weight: 700;
  margin-bottom: 14px;
}

.merch-hero h1 {
  font-family: 'Syne', sans-serif;
  font-size: 46px;
  line-height: 1.15;
  margin-bottom: 16px;
}

.merch-intro {
  max-width: 760px;
  color: #4d4d4d;
  font-size: 17px;
}

.merch-impact-strip {
  margin-top: 24px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.merch-impact-strip span {
  background: #0b2d57;
  color: #f3f9ff;
  font-size: 12px;
  font-weight: 600;
  border-radius: 999px;
  padding: 8px 12px;
}

.merch-grid-section {
  padding-top: 20px;
}

.merch-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
}

.merch-card {
  background: white;
  border: 1px solid #e4edf7;
  border-radius: 12px;
  padding: 18px;
  box-shadow: 0 8px 26px rgba(9, 52, 100, 0.08);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.merch-image {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 8px;
  background: #eef4fb;
}

.merch-card h3 {
  font-family: 'Syne', sans-serif;
  font-size: 20px;
  margin-top: 6px;
}

.merch-price {
  font-size: 15px;
  font-weight: 700;
  color: #08335f;
}

.merch-split {
  display: inline-block;
  background: #e8f5e9;
  color: #1b5e20;
  border-radius: 6px;
  padding: 4px 8px;
  font-size: 12px;
  font-weight: 700;
  width: fit-content;
}

.merch-charity-value {
  color: #4d4d4d;
  font-size: 13px;
  margin-bottom: 8px;
}

.merch-card .btn {
  margin-top: auto;
  text-align: center;
  width: 100%;
}

.merch-calc-card {
  background: white;
  border: 1px solid #dce8f5;
  border-radius: 12px;
  padding: 26px;
  box-shadow: 0 8px 24px rgba(9, 52, 100, 0.08);
}

.merch-calc-card h2 {
  margin-bottom: 12px;
  font-size: 34px;
  text-align: left;
}

.merch-calc-card > p {
  color: #4d4d4d;
  margin-bottom: 16px;
}

.merch-calc-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 14px;
}

.merch-estimate-output {
  margin-top: 12px;
  background: #f4f9ff;
  border-left: 4px solid #0066cc;
  border-radius: 8px;
  padding: 14px;
}

.merch-estimate-output p {
  margin: 6px 0;
}

/* Responsive */
@media (max-width: 768px) {
  .hero-title {
    font-size: 36px;
  }

  .nav {
    gap: 15px;
    font-size: 12px;
  }

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

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

  .campaign-item {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-split {
    flex-direction: column;
    gap: 30px;
  }

  .hero-text {
    text-align: center;
  }

  .hero-image {
    width: 100%;
  }

  .about-hero-split {
    flex-direction: column;
    gap: 24px;
  }

  .about-hero-text {
    text-align: center;
  }

  .merch-hero h1 {
    font-size: 34px;
  }

  .merch-intro {
    font-size: 15px;
  }

  .merch-calc-grid {
    grid-template-columns: 1fr;
  }

  .merch-calc-card h2 {
    font-size: 28px;
  }

  .biplane-illustration,
  .biplane-illustration-about {
    max-width: 100%;
    border-radius: 8px;
  }
}