:root {
  --color-primary: #047857;
  --color-secondary: #14b8a6;
  --color-bg: #f1f5f4;
  --color-card: #ffffff;
  --color-text: #111827;
  --color-muted: #6b7280;
  --color-accent: #fdba74;
  --radius-soft: 16px;
  --shadow-soft: 0 10px 30px rgba(17, 24, 39, 0.12);
}

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

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
}

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

img {
  max-width: 100%;
  display: block;
  border-radius: var(--radius-soft);
  object-fit: cover;
}

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

.content {
  flex: 1;
}

header {
  width: 100%;
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--color-card);
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.08);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.nav-primary {
  display: none;
  gap: 1rem;
}

.nav-primary a {
  padding: 0.35rem 0.5rem;
  border-radius: 999px;
  font-weight: 500;
  transition: background 0.3s ease, color 0.3s ease;
}

.nav-primary a:hover {
  background: var(--color-bg);
}

.menu-toggle {
  background: none;
  border: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
  padding: 0.5rem;
}

.menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  display: block;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.mobile-menu {
  display: flex;
  flex-direction: column;
  padding: 0 1rem 1rem;
  gap: 0.25rem;
  background: var(--color-card);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.mobile-menu a {
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(17, 24, 39, 0.07);
}
.mobile-menu.open {
  max-height: 360px;
}

.hero {
  --hero-img: url("../images/hero-placeholder.svg");
  padding: clamp(3rem, 5vw, 5rem) 1rem 3rem;
  min-height: clamp(580px, 70vh, 780px);
  background-image: var(--hero-img);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: #fff;
  text-align: left;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1.5rem;
  min-height: 100%;
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 640px;
  color: #fff;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  position: relative;
  z-index: 1;
}

.hero-content h1,
.hero-content p,
.hero-content .section-title {
  color: inherit;
}

.hero-content p {
  color: rgba(255, 255, 255, 0.9);
  max-width: 520px;
}

.hero-content h1 {
  font-size: clamp(2.3rem, 4vw, 3.5rem);
  margin-bottom: 0.5rem;
}

.hero-buttons {
  margin-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero .btn-primary {
  background: #fff;
  color: var(--color-primary);
  box-shadow: none;
}

.hero .btn-secondary {
  background: rgba(255, 255, 255, 0.25);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.4);
  box-shadow: none;
}

.hero .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.4);
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(4, 120, 87, 0.18), rgba(15, 23, 42, 0.15)),
    linear-gradient(180deg, rgba(4, 120, 87, 0.1), rgba(4, 120, 87, 0));
  z-index: 0;
  pointer-events: none;
}


.btn {
  border: none;
  border-radius: 999px;
  padding: 0.9rem 1.6rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-soft);
}

.btn-primary:hover {
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--color-secondary);
  color: #fff;
}

.section {
  padding: 3rem 1rem;
}

.section-header {
  max-width: 1200px;
  margin: 0 auto 1.5rem;
}

.section-title {
  font-size: clamp(1.5rem, 2vw, 2rem);
  margin-bottom: 0.5rem;
}

.card-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  align-items: stretch;
}

.card {
  background: var(--color-card);
  border-radius: var(--radius-soft);
  padding: 1.25rem;
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.card h3 {
  margin: 0;
}

.card img {
  width: 100%;
  height: 220px;
  border-radius: var(--radius-soft);
  object-fit: cover;
  flex-shrink: 0;
}

.muted {
  color: var(--color-muted);
  font-size: 0.95rem;
}

.card ul {
  padding-left: 1.2rem;
  margin: 0;
  color: var(--color-muted);
}

.callout {
  border-radius: var(--radius-soft);
  background: var(--color-secondary);
  color: #fff;
  padding: 2rem 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
  box-shadow: var(--shadow-soft);
}

.callout h3 {
  margin-bottom: 0.5rem;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.filter-btn {
  border-radius: 999px;
  border: 1px solid transparent;
  padding: 0.5rem 1rem;
  background: var(--color-card);
  cursor: pointer;
  transition: border-color 0.3s ease, color 0.3s ease;
}

.filter-btn.active {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.footer {
  background: #0f172a;
  color: #fff;
  padding: 2.5rem 1rem;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  gap: 1.5rem;
}

.footer-columns {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.footer .brand {
  font-weight: 600;
  letter-spacing: 0.08em;
}

.footer .newsletter {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.footer input[type="email"] {
  flex: 1;
  border-radius: 999px;
  border: none;
  padding: 0.75rem 1rem;
  font-size: 1rem;
}

.footer button {
  border: none;
  border-radius: 999px;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  background: var(--color-accent);
  color: #111827;
  cursor: pointer;
}

.footer p {
  margin: 0;
  color: rgba(255, 255, 255, 0.8);
}

.flex {
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
}

.intro-grid {
  display: grid;
  gap: 1rem;
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.smooth-card {
  border-radius: var(--radius-soft);
  background: var(--color-card);
  padding: 1rem;
  height: 100%;
  box-shadow: var(--shadow-soft);
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.contact-form {
  background: var(--color-card);
  border-radius: var(--radius-soft);
  padding: 2rem;
  max-width: 800px;
  margin: 0 auto;
  box-shadow: var(--shadow-soft);
}

.contact-form label {
  display: block;
  margin-bottom: 0.25rem;
  font-weight: 600;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border-radius: 12px;
  border: 1px solid rgba(17, 24, 39, 0.2);
  padding: 0.85rem;
  font-size: 1rem;
  background: #f9fafb;
}

.contact-form textarea {
  min-height: 120px;
  resize: vertical;
}

.form-row {
  margin-bottom: 1rem;
}

.form-error {
  color: #dc2626;
  font-size: 0.9rem;
  margin-top: 0.35rem;
}

.form-success {
  background: #dcfce7;
  color: #065f46;
  padding: 0.75rem 1rem;
  border-radius: 10px;
  margin-top: 1rem;
  border: 1px solid #86efac;
}

@media (min-width: 768px) {
  .nav-primary {
    display: flex;
  }

  .menu-toggle {
    display: none;
  }

  .mobile-menu {
    display: none !important;
  }

  .hero-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: center;
  }

  .card-grid.grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 1024px) {
  .nav-container {
    padding: 1rem 2rem;
  }

  .section {
    padding: 4rem 2rem;
  }

  .hero {
    padding-top: 4rem;
  }
}

@media (max-width: 640px) {
  .nav-container {
    flex-wrap: wrap;
    padding: 0.5rem 1rem;
  }

  .nav-primary {
    width: 100%;
    justify-content: flex-start;
  }

  .hero {
    padding: 2.5rem 1rem 1.5rem;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    text-align: left;
  }

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

  .section {
    padding: 2.25rem 1rem;
  }
}