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

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  color: #111827;
  line-height: 1.6;
  background: #ffffff;
}

/* HEADER */

.site-header {
  background: #ffffff;
  padding: 18px 7%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid #e5e7eb;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.logo {
  font-weight: 800;
  color: #0f5132;
  font-size: 22px;
}

nav a {
  margin-left: 20px;
  color: #111827;
  text-decoration: none;
  font-weight: 700;
  font-size: 15px;
}

nav a:hover {
  color: #0f5132;
}

/* HERO */

.hero {
  min-height: 92vh;
  background: linear-gradient(135deg, #0f5132, #1f3c88);
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 70px;
  padding: 80px 7%;
  color: white;
}

.hero-text {
  max-width: 620px;
}

.hero-text h1 {
  font-size: 72px;
  line-height: 1.02;
  font-weight: 900;
  margin-bottom: 28px;
  letter-spacing: -2px;
  text-shadow: 0 4px 18px rgba(0,0,0,0.25);
}

.hero-text h2 {
  font-size: 26px;
  margin-bottom: 24px;
  color: #f3f4f6;
  font-weight: 700;
}

.hero-text p {
  font-size: 21px;
  line-height: 1.8;
  margin-bottom: 40px;
  color: #f9fafb;
}

.hero-buttons {
  display: flex;
  gap: 20px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.hero-tagline {
  font-size: 20px;
  font-style: italic;
  font-weight: 700;
  color: #ffffff;
}

.hero-photo-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-photo {
  width: 100%;
  max-width: 700px;
  height: 520px;
  object-fit: cover;
  object-position: center top;
  border-radius: 24px;
  box-shadow: 0 25px 60px rgba(0,0,0,0.45);
  border: 5px solid rgba(255,255,255,0.25);
}

/* BUTTONS */

.btn {
  display: inline-block;
  padding: 16px 34px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 800;
  font-size: 17px;
  transition: all 0.3s ease;
}

.btn.white {
  background: #ffffff;
  color: #0f5132;
}

.btn.white:hover {
  background: #f3f4f6;
  transform: translateY(-2px);
}

.btn.outline {
  border: 2px solid #ffffff;
  color: #ffffff;
}

.btn.outline:hover {
  background: rgba(255,255,255,0.15);
  transform: translateY(-2px);
}

.btn.green {
  background: #0f5132;
  color: #ffffff;
}

.btn.green:hover {
  background: #0b3d26;
  transform: translateY(-2px);
}

/* SECTIONS */

.intro,
.recognition-preview {
  padding: 80px 20px;
  max-width: 950px;
  margin: auto;
  text-align: center;
}

.intro h2,
.cards-section h2,
.highlight-section h2,
.recognition-preview h2 {
  font-size: 36px;
  color: #0f5132;
  margin-bottom: 18px;
}

.intro p,
.highlight-section p,
.recognition-preview p {
  font-size: 19px;
  color: #374151;
}

.cards-section {
  padding: 80px 7%;
  background: #f9fafb;
  text-align: center;
}

.cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 35px;
}

.card {
  background: #ffffff;
  padding: 30px;
  border-radius: 14px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.08);
  text-align: left;
}

.card h3 {
  color: #0f5132;
  margin-bottom: 10px;
}

.highlight-section {
  padding: 85px 7%;
  background: #ffffff;
  text-align: center;
}

.highlight-content {
  max-width: 900px;
  margin: auto;
}

.recognition-preview {
  background: #f4f4f4;
}

/* INNER PAGES */

.page-hero {
  padding: 90px 20px;
  background: linear-gradient(135deg, #0f5132, #1f3c88);
  color: white;
  text-align: center;
}

.page-hero h1 {
  font-size: 42px;
  margin-bottom: 15px;
}

.content {
  max-width: 950px;
  margin: auto;
  padding: 70px 20px;
}

.content h2 {
  color: #0f5132;
  margin: 28px 0 12px;
  font-size: 28px;
}

.content p {
  margin-bottom: 18px;
}

.content ul {
  margin-left: 25px;
  margin-bottom: 25px;
}

.notice {
  background: #e9f7ef;
  border-left: 6px solid #0f5132;
  padding: 20px;
  margin: 25px 0;
  font-weight: 700;
}

.award-box {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 35px;
  align-items: center;
  margin-top: 30px;
}

.award-box img {
  width: 100%;
  border-radius: 12px;
  box-shadow: 0 8px 25px rgba(0,0,0,0.18);
}

/* BUILDING PROJECT GALLERY */

.project-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
  margin-top: 40px;
  margin-bottom: 40px;
}

.project-gallery img,
.project-gallery video {
  width: 100%;
  height: 320px;
  object-fit: cover;
  border-radius: 14px;
  display: block;
  background: #f3f4f6;
  box-shadow: 0 10px 28px rgba(0,0,0,0.18);
  transition: transform 0.3s ease;
}

.project-gallery img:hover,
.project-gallery video:hover {
  transform: scale(1.02);
}

.project-video {
  margin-top: 30px;
  margin-bottom: 40px;
}

.project-video video {
  width: 100%;
  max-width: 900px;
  height: 520px;
  object-fit: cover;
  border-radius: 14px;
  display: block;
  margin: auto;
  box-shadow: 0 10px 28px rgba(0,0,0,0.18);
}

/* FOOTER */

footer {
  background: #0f5132;
  color: white;
  text-align: center;
  padding: 25px;
}

/* MOBILE */

@media (max-width: 900px) {
  .site-header {
    flex-direction: column;
    gap: 15px;
  }

  nav {
    text-align: center;
  }

  nav a {
    display: inline-block;
    margin: 6px 8px;
  }

  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 55px 20px;
    gap: 35px;
    min-height: auto;
  }

  .hero-text {
    max-width: 100%;
  }

  .hero-text h1 {
    font-size: 38px;
    letter-spacing: 0;
  }

  .hero-text h2 {
    font-size: 23px;
  }

  .hero-text p {
    font-size: 18px;
  }

  .hero-photo {
    width: 100%;
    height: auto;
    max-height: 430px;
  }

  .hero-buttons {
    justify-content: center;
  }

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

  .award-box {
    grid-template-columns: 1fr;
  }

  .project-gallery {
    grid-template-columns: 1fr;
  }

  .project-gallery img,
  .project-gallery video,
  .project-video video {
    height: auto;
  }
}