/* ===== CSS Variables ===== */
:root {
  --primary-color: #be5e54;
  --text-color: #222;
  --bg-dark: #475739;
  --bg-light: #f7f5e6;
  --bg-light-rgb: 247, 245, 230;
  --green-light: #e3ebdb;
  --green-light-rgb: 227, 235, 219;
  --green-medium: #d1dec4;
  --alt-card-bg: #edead1;
  --transition: all 0.3s ease;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 5rem;
  --scroll-top: 90px;
}

/* ===== Reset & Base Styles ===== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--scroll-top);
}

body {
  font-family: 'Century Gothic', -apple-system, BlinkMacSystemFont, 'Segoe UI',
    Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--green-light);
  font-size: clamp(18px, 2.25vw, 22px);
}

/* ===== Typography ===== */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
}

h1 {
  font-size: clamp(2rem, 5vw, 2.5rem);
}
h2 {
  font-size: clamp(1.75rem, 4vw, 2rem);
}
h3 {
  font-size: clamp(1.35rem, 3vw, 1.5rem);
}
h4 {
  font-size: 1.25rem;
}

p {
  margin-bottom: var(--spacing-sm);
}

a {
  color: var(--color-text);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-decoration-color: var(--primary-color);
  text-underline-offset: 6px;
  transition: var(--transition);

  &[href*='tel:'] {
    text-decoration: none;
  }
}

a:focus-visible {
  border-radius: 3px;
  outline: 2px solid black;
  outline-offset: 4px;
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
}

/* ===== Container ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* ===== Navigation ===== */
.navbar {
  background-color: var(--bg-light);
  box-shadow: 0 0 1vw rgba(0, 0, 0, 0.2);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: var(--spacing-sm) 0;
}

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

.logo img {
  height: 60px;
  width: auto;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: var(--spacing-md);
  text-transform: uppercase;

  a {
    padding: var(--spacing-xs) var(--spacing-sm);
    transition: var(--transition);
  }

  a:hover {
    text-decoration-color: currentColor;
  }
}

/* ===== Hero Section ===== */
.hero {
  background: var(--bg-dark);
  color: var(--green-light);
  padding: 6rem 0;
  text-align: center;
}

.hero-content h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
  animation: fadeInUp 0.8s ease;
}

.hero-content p {
  font-size: 2.25rem;
  animation: fadeInUp 0.8s ease 0.2s backwards;
  margin-bottom: 0;
}

/* ===== Sections ===== */
.section {
  padding: var(--spacing-lg) 0;

  .container {
    background-color: inherit;
  }
}

.section-alt {
  background-color: var(--bg-light);

  .card {
    background-color: var(--alt-card-bg);
    margin-bottom: 0;
  }

  .section-title {
    background-color: rgba(var(--bg-light-rgb), 0.9);
  }

  .project-text {
    background-color: var(--alt-card-bg);
  }
}

.section-title {
  background-color: rgba(var(--green-light-rgb), 0.9);
  text-align: center;
  margin-bottom: var(--spacing-lg);
  position: sticky;
  padding-top: var(--spacing-sm);
  padding-bottom: var(--spacing-sm);
  text-transform: uppercase;
  top: var(--scroll-top);
  z-index: 2;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 5px;
  background-color: var(--primary-color);
}

/* ===== Cards ===== */
.card {
  background-color: var(--green-medium);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  transition: var(--transition);
}

.card-title {
  margin-bottom: var(--spacing-sm);
}

.card-link {
  display: inline-block;
  font-weight: 500;
  padding: 0.75rem 1.5rem;
  transition: var(--transition);
}

.project {
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  display: flex;
  margin-bottom: var(--spacing-xl);
  position: relative;

  * {
    position: relative;
    z-index: 1;
  }
}

.project-image {
  flex-grow: 1;

  img {
    height: 100%;
    object-fit: cover;
  }
}

.project-text {
  background-color: var(--green-medium);
  display: flex;
  flex-direction: column;
  flex-basis: 18em;
  flex-grow: 0;
  flex-shrink: 0;
  justify-content: center;
  padding: var(--spacing-md);

  h3 img {
    height: 60px;
    width: auto;
    margin-right: var(--spacing-sm);
    vertical-align: middle;
  }
}

.project-description:has(+ .project-link) {
  margin-bottom: var(--spacing-md);
}

.project-alt {
  .project-image {
    order: 1;
  }
}

/* ===== Text Content ===== */
.text-content {
  margin-bottom: var(--spacing-lg);
}

.text-content p {
  margin-bottom: 0;
  white-space: pre-line;
}

.card-horizontal {
  display: flex;
  gap: var(--spacing-md);
}

.card-image {
  width: 200px;
  height: 250px;
  object-fit: cover;
  flex-shrink: 0;
}

.logo-grid {
  align-items: center;
  background-color: white;
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  justify-content: space-evenly;
  list-style: none;
  padding: var(--spacing-sm);
}

.logo-grid img {
  height: auto;
  max-height: 100px;
  max-width: 180px;
  width: auto;
}

/* ===== Utilities ===== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.intro {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.link-list {
  list-style: none;
  margin-top: var(--spacing-sm);
}

.link-list li {
  margin-bottom: var(--spacing-xs);
}

.link-list a {
  font-weight: 500;
}

.section-group {
  margin: var(--spacing-lg) 0;
}

.section-group h3 {
  text-align: center;
  margin-bottom: var(--spacing-md);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--spacing-md);
}

.grid-sm {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

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

.card-center h4 {
  margin-bottom: var(--spacing-xs);
}

.card-center a {
  display: block;
  margin: var(--spacing-xs) 0;
}

.info-box {
  margin-top: var(--spacing-lg);
  text-align: center;
  padding: var(--spacing-md);
  background-color: var(--bg-light);
}

/* ===== Footer ===== */
.footer {
  background-color: var(--bg-dark);
  color: var(--green-light);
  text-align: center;
  padding: var(--spacing-md) 0;
}

.footer p {
  margin: 0 auto;
  max-width: 40em;
}

/* ===== Loading State ===== */
.loading {
  opacity: 0.6;
  pointer-events: none;
  position: relative;
}

.loading::after {
  content: '';
  position: fixed;
  top: 50%;
  left: 50%;
  width: 40px;
  height: 40px;
  margin: -20px 0 0 -20px;
  border: 6px solid var(--primary-color);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  z-index: 9999;
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
  :root {
    --scroll-top: 124px;
  }

  .navbar .container {
    flex-direction: column;
    gap: var(--spacing-xs);
  }

  .nav-links {
    gap: var(--spacing-xs);
    text-align: center;
  }

  .hero-content h1 {
    font-size: 2rem;
  }

  .hero-content p {
    font-size: 1.25rem;
  }

  .section {
    padding: var(--spacing-lg) 0;
  }

  .section-title {
    position: relative;
    top: 0;
  }

  .container {
    padding: 0 var(--spacing-sm);
  }

  .card-horizontal {
    flex-direction: column;
    align-items: center;
    text-align: center;

    .text-content {
      margin-bottom: 0;
    }
  }

  .logo-grid {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  }

  .project {
    flex-direction: column;
  }

  .project-image {
    order: 1;
  }

  .project-text {
    flex-basis: auto;
  }
}

@media (max-width: 480px) {
  :root {
    --scroll-top: 100px;
  }

  .logo img {
    height: 45px;
  }

  .logo-grid {
    gap: var(--spacing-xs);

    li {
      flex: 0 0 100%;
      text-align: center;
    }
  }

  .hero {
    padding: 4rem 0;
  }

  .card {
    padding: 1.5rem;
  }

  .nav-links {
    font-size: 0.9rem;

    a {
      padding: var(--spacing-xs);
    }
  }

  .project-text {
    padding: calc(var(--spacing-sm) + var(--spacing-xs));
  }
}

@media (min-width: 1024px) {
  .partner-logos-section {
    bottom: 0;
    margin-top: 100px;
    position: sticky;

    h3 {
      background-color: rgba(var(--green-light-rgb), 0.9);
      margin-bottom: 0;
      padding-top: var(--spacing-xs);
      padding-bottom: var(--spacing-md);
    }
  }
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}