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

html {
  scroll-behavior: smooth;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  color: #123326;
  background: radial-gradient(circle at top left, #e6f4ea 0, #f3f8f3 35%, #d7eadf 100%);
  min-height: 100vh;
}

a {
  color: #166c4b;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

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

.page-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(12px);
  background: linear-gradient(90deg, rgba(214, 235, 222, 0.98), rgba(203, 229, 215, 0.98));
  border-bottom: 1px solid rgba(102, 140, 117, 0.25);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  font-weight: 700;
  letter-spacing: 0.06em;
  font-size: 0.9rem;
  text-transform: uppercase;
  color: #0f3b2a;
}

.nav-links {
  display: flex;
  gap: 1.25rem;
  font-size: 0.95rem;
}

.nav-link {
  padding-bottom: 0.1rem;
  border-bottom: 2px solid transparent;
}

.nav-link.active,
.nav-link:hover {
  border-bottom-color: #166c4b;
}

/* Layout */
.content {
  flex: 1;
  max-width: 1100px;
  margin: 0 auto;
  padding: 3.25rem 1.75rem 4rem;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 2rem;
  align-items: center;
  padding: 2.5rem 0 1.5rem;
}

.hero-title {
  font-weight: 800;
  color: #0a271c;
  letter-spacing: 0.04em;
}

.hero-highlight {
  display: inline-block;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  background: rgba(52, 120, 83, 0.08);
  border: 1px solid rgba(52, 120, 83, 0.25);
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: #245e41;
  margin-bottom: 1.1rem;
}

.hero-subtitle {
  margin-top: 1rem;
  font-size: 1.02rem;
  color: #294738;
}

.hero-presented {
  margin-top: 0.75rem;
  font-size: 0.9rem;
  color: #355343;
  font-weight: 600;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
  margin-top: 1.75rem;
}

.stat-card {
  background: rgba(246, 252, 248, 0.95);
  border-radius: 0.9rem;
  padding: 0.7rem 0.9rem;
  border: 1px solid rgba(102, 140, 117, 0.25);
  box-shadow: 0 8px 18px rgba(11, 53, 32, 0.08);
}

.stat-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #4a6d59;
}

.stat-value {
  font-size: 1.1rem;
  font-weight: 700;
  color: #123326;
}

.stat-note {
  font-size: 0.78rem;
  color: #577463;
}

.hero-visual {
  position: relative;
}

.globe-card {
  border-radius: 1.25rem;
  overflow: hidden;
  border: 1px solid rgba(80, 122, 97, 0.5);
  box-shadow: 0 18px 35px rgba(4, 41, 23, 0.32);
  background: linear-gradient(145deg, #15392b, #2b7f5a);
}

.globe-card img {
  width: 100%;
  height: auto;
}

.globe-caption {
  padding: 0.75rem 1rem;
  font-size: 0.78rem;
  color: #e5f4ea;
  background: rgba(6, 23, 16, 0.9);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
}

.globe-tag {
  padding: 0.1rem 0.55rem;
  border-radius: 999px;
  border: 1px solid rgba(191, 230, 204, 0.9);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #d0f3dc;
}

.globe-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  bottom: -2rem;
  left: 50%;
  transform: translateX(-50%);
  background: #f6fbf8;
  border-radius: 999px;
  padding: 0.4rem 0.9rem;
  font-size: 0.78rem;
  color: #143829;
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.22);
  border: 1px solid rgba(119, 153, 131, 0.55);
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.pill-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: #e8543f;
}

/* Sections */
.section {
  margin-top: 3.25rem;
}

.section-heading {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: #163428;
}

.section-text {
  font-size: 0.98rem;
  color: #2f4a3b;
  max-width: 62ch;
}

.grid-two {
display: flex;
flex-direction: row;
gap: 2rem;
align-items: center;
justify-content: center;
margin-top: 2rem;
}

.card1 {
  background: rgba(248, 253, 250, 0.97);
  border-radius: 1rem;
  border: 1px solid rgba(119, 153, 131, 0.4);
  padding-top: 20px;
  box-shadow: 0 12px 26px rgba(10, 49, 28, 0.16);
  width: 500px;
  height: 700xpx;
  display: flex;
  flex-direction: column;
  font-size: 1rem;
  font-weight: 500;
  color: #17352a;
  margin-left: 10px;
  margin-right: 10px;
  padding-left: 30px;
  padding-right: 30px;
  padding-bottom: 20px;
}

.card2 {
  background: rgba(248, 253, 250, 0.97);
  border-radius: 1rem;
  border: 1px solid rgba(119, 153, 131, 0.4);
  padding-top: 15px;
  box-shadow: 0 12px 26px rgba(10, 49, 28, 0.16);
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: 1.2rem;
  font-weight: 700;
  color: #182b24;
  margin-left: 10px;
  margin-right: 10px;
  padding-left: 15px;
  padding-right: 15px;
  padding-bottom: 15px;
}

.card h3 {
  font-size: 1.05rem;
  margin-bottom: 0.4rem;
  color: #17352a;
}

.card p,
.card li {
  font-size: 0.92rem;
  color: #2c4637;
}

.card ul {
  margin-left: 1.15rem;
  margin-top: 0.35rem;
  display: grid;
  gap: 0.12rem;
}

.meta-note {
  font-size: 0.8rem;
  color: #567161;
  margin-top: 0.5rem;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.3rem;
}

.primary-btn,
.ghost-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  border-radius: 999px;
  padding: 0.55rem 1.2rem;
  font-size: 0.9rem;
  border: 1px solid transparent;
  cursor: pointer;
  background: none;
}

.primary-btn {
  background: linear-gradient(135deg, #2b7f5a, #1d5b41);
  color: #f6fbf8;
  border-color: rgba(9, 51, 33, 0.8);
  box-shadow: 0 10px 22px rgba(9, 51, 33, 0.4);
}

.primary-btn:hover {
  filter: brightness(1.05);
}

.ghost-btn {
  background: rgba(240, 249, 243, 0.95);
  border-color: rgba(104, 142, 120, 0.7);
  color: #17352a;
}

.ghost-btn:hover {
  background: rgba(222, 240, 229, 0.96);
}

.btn-arrow {
  font-size: 1rem;
}

/* Problem / Solution Layout */
.split {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 2rem;
  align-items: flex-start;
}

.split-section-title {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 0.4rem;
  color: #0d2f21;
}

.split-tagline {
  font-size: 0.96rem;
  color: #385646;
  margin-bottom: 1.3rem;
}

.key-points {
  display: grid;
  gap: 0.9rem;
}

.key-point-title {
  font-weight: 600;
  font-size: 0.98rem;
  color: #17352a;
}

.key-point-text {
  font-size: 0.9rem;
  color: #2f4a3b;
}

.mini-stat {
  font-size: 0.85rem;
  color: #567161;
  margin-top: 0.2rem;
}

.map-frame {
  border-radius: 1rem;
  overflow: hidden;
  border: 1px solid rgba(80, 122, 97, 0.6);
  background: #0f2b22;
  box-shadow: 0 18px 35px rgba(3, 22, 13, 0.7);
}

.map-caption {
  padding: 0.6rem 0.95rem 0.7rem;
  font-size: 0.8rem;
  color: #e0f3e7;
  background: rgba(5, 19, 13, 0.96);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
}

.map-caption span {
  display: block;
}

.map-pill {
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
  border: 1px solid rgba(191, 230, 204, 0.85);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #d0f3dc;
}

.map-credit {
  font-size: 0.7rem;
  color: #b7d5c5;
}

.solution-list {
  margin-top: 0.75rem;
  display: grid;
  gap: 0.55rem;
  margin-left: 1.1rem;
  font-size: 0.9rem;
}

.solution-list li::marker {
  color: #2b7f5a;
}

.solution-note {
  font-size: 0.85rem;
  color: #567161;
  margin-top: 0.75rem;
}

.citations {
  margin-top: 2.5rem;
  padding-top: 1.2rem;
  border-top: 1px solid rgba(119, 153, 131, 0.5);
}

.citations h3 {
  font-size: 1.02rem;
  margin-bottom: 0.5rem;
  color: #163428;
}

.citations-list {
  font-size: 0.84rem;
  color: #294738;
  display: grid;
  gap: 0.35rem;
}

/* Contact */
.contact-grid {
  max-width: 720px;
  margin: 3rem auto 0;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 2rem;
}

.contact-header-title {
  font-size: 1.7rem;
  font-weight: 800;
  color: #0c2a1d;
}

.contact-tagline {
  font-size: 0.96rem;
  color: #355343;
  margin-top: 0.7rem;
}

.contact-meta {
  margin-top: 1rem;
  font-size: 0.85rem;
  color: #567161;
}

.contact-form {
  display: grid;
  gap: 0.9rem;
}

.field-group {
  display: grid;
  gap: 0.25rem;
}

.field-label {
  font-size: 0.9rem;
  color: #17352a;
  font-weight: 600;
}

.field-description {
  font-size: 0.8rem;
  color: #627768;
}

.field-input,
.field-textarea {
  border-radius: 0.7rem;
  border: 1px solid rgba(104, 142, 120, 0.7);
  padding: 0.55rem 0.75rem;
  font-size: 0.9rem;
  font-family: inherit;
  background: rgba(248, 253, 250, 0.98);
  color: #123326;
}

.field-input:focus,
.field-textarea:focus {
  outline: 2px solid rgba(43, 127, 90, 0.7);
  outline-offset: 1px;
}

.field-textarea {
  min-height: 110px;
  resize: vertical;
}

.contact-hint {
  font-size: 0.8rem;
  color: #567161;
  margin-top: 0.5rem;
}

.footer {
  font-size: 0.8rem;
  color: #567161;
  text-align: center;
  padding: 1.2rem 1rem 1.6rem;
}

.footer span {
  opacity: 0.9;
}

/* Responsive */
@media (max-width: 840px) {
  .hero,
  .grid-two,
  .split,
  .contact-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero {
    padding-top: 1.75rem;
  }

  .hero-visual {
    order: -1;
  }

  .globe-badge {
    bottom: -0.8rem;
  }
}

@media (max-width: 640px) {
  .nav-inner {
    padding-inline: 1rem;
  }

  .content {
    padding-inline: 1rem;
    padding-top: 1.7rem;
  }

  .hero-stats {
    grid-template-columns: minmax(0, 1fr);
  }

  .nav-links {
    gap: 0.8rem;
    font-size: 0.88rem;
  }

  .contact-grid {
    margin-top: 5rem;
  }
}