* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}

body {
  margin: 0;
  padding-top: 88px;
  font-family: "Segoe UI", Arial, sans-serif;
  color: #1f2937;
  background: #ffffff;
  line-height: 1.7;
  overflow-x: hidden;
}

/* Header / Navbar */

header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 9999;
  background: #001f3f;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #001f3f;
  color: white;
  padding: 14px 6%;
  min-height: 88px;
  box-shadow: none;
  border: none;
}

.logo-box {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo {
  margin: 0;
  background: #ffffff;
  color: #001f3f;
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 22px;
  font-weight: 800;
}

.logo-box span {
  font-size: 15px;
  font-weight: 600;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 18px;
  margin: 0;
  padding: 0;
}

.nav-links li {
  list-style: none;
}

.nav-links a {
  color: white;
  text-decoration: none;
  font-weight: 600;
  font-size: 14.5px;
}

.nav-links a:hover {
  color: #ffd166;
}

/* Hero */

.hero {
  min-height: 14vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    linear-gradient(rgba(0, 31, 63, 0.9), rgba(0, 80, 158, 0.86)),
    url("https://images.unsplash.com/photo-1451187580459-43490279c0fa?auto=format&fit=crop&w=1600&q=80");
  background-size: cover;
  background-position: center;
  color: white;
  text-align: center;
  padding: 35px 20px;
  margin: 0;
  border-top: none;
}

.hero-content {
  max-width: 1550px;
}

.tagline {
  color: #ffd166;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.hero h1 {
  font-size: 52px;
  margin: 15px 0;
  line-height: 1.15;
}

.hero-text {
  font-size: 19px;
  max-width: 850px;
  margin: 0 auto 28px;
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 25px;
}

/* Buttons */

.btn {
  display: inline-block;
  padding: 13px 26px;
  text-decoration: none;
  border-radius: 6px;
  font-weight: 700;
  transition: 0.3s ease;
}

.primary-btn {
  background: #ffd166;
  color: #001f3f;
}

.secondary-btn {
  background: transparent;
  color: white;
  border: 2px solid white;
}

.btn:hover {
  transform: translateY(-3px);
}

/* Membership / Generic Action Button */

.membership-btn {
  display: inline-block;
  margin-top: 18px;
  background: #001f3f;
  color: #ffffff;
  padding: 11px 20px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 700;
  transition: 0.3s ease;
}

.membership-btn:hover {
  background: #00509e;
  transform: translateY(-3px);
}

/* Sections */

.section {
  padding: 20px 20px 65px;
  text-align: center;
}

.section-container {
  max-width: 1180px;
  margin: auto;
}

.section h2 {
  font-size: 34px;
  color: #001f3f;
  margin-bottom: 20px;
}

.section p {
  max-width: 1050px;
  margin: 14px auto;
  font-size: 16.5px;
  line-height: 1.9;
}

.light-section {
  background: #f5f8fc;
}

.section-description {
  max-width: 1050px;
  margin: 0 auto 40px;
  font-size: 16.5px;
  line-height: 1.8;
}

/* About Section */

#about p {
  text-align: justify;
  line-height: 1.9;
  font-size: 16.5px;
}

#about .section-container {
  max-width: 1100px;
}

/* Vision Mission */

.two-column {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 45px;
  text-align: left;
}

.two-column h2 {
  text-align: center;
}

.mission-list {
  padding-left: 20px;
  font-size: 16px;
}

.mission-list li {
  margin-bottom: 12px;
}

/* Cards */

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
  margin-top: 35px;
}

.card {
  background: white;
  padding: 28px;
  border-radius: 14px;
  box-shadow: 0 10px 30px rgba(0, 31, 63, 0.08);
  transition: 0.3s ease;
  border-top: 5px solid #00509e;
  text-align: left;
}

.card h3 {
  color: #003366;
  margin-top: 0;
  margin-bottom: 14px;
  font-size: 21px;
}

.card p {
  font-size: 15.5px;
  line-height: 1.75;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 35px rgba(0, 31, 63, 0.15);
}

/* Ethics */

.ethics-box {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
  margin: 35px auto;
  max-width: 950px;
}

.ethics-box span {
  background: #ffffff;
  color: #003366;
  padding: 12px 18px;
  border-radius: 30px;
  font-weight: 600;
  box-shadow: 0 8px 22px rgba(0, 31, 63, 0.08);
}

/* Advisory Board */

.board-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  margin-top: 40px;
}

.board-card {
  background: #ffffff;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 31, 63, 0.08);
  transition: 0.35s ease;
  text-align: center;
  padding-bottom: 20px;
}

.board-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 18px 40px rgba(0, 31, 63, 0.16);
}

.board-card img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  background: #dbeafe;
}

.board-card h3 {
  margin: 18px 15px 8px;
  color: #001f3f;
  font-size: 19px;
}

.designation {
  color: #00509e;
  font-weight: 600;
  margin: 0 15px 10px;
  font-size: 14.5px;
}

.affiliation {
  font-size: 14px;
  color: #4b5563;
  margin: 0 18px;
  line-height: 1.6;
}

/* Why ICI */

.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 35px;
}

.why-grid div {
  background: white;
  padding: 22px;
  border-radius: 12px;
  font-weight: 600;
  color: #003366;
  box-shadow: 0 8px 24px rgba(0, 31, 63, 0.08);
}

/* Contact */

.contact-section {
  background: #ffffff;
}

.contact-card {
  max-width: 620px;
  margin: 35px auto 0;
  padding: 35px;
  border-radius: 16px;
  background: #f5f8fc;
  box-shadow: 0 12px 30px rgba(0, 31, 63, 0.1);
}

.contact-card h3 {
  color: #001f3f;
  margin-top: 0;
}

/* Footer */

footer {
  background: #001f3f;
  color: white;
  text-align: center;
  padding: 20px;
}

/* Responsive */

@media (max-width: 1100px) {
  body {
    padding-top: 135px;
  }

  .navbar {
    flex-direction: column;
    gap: 15px;
    padding: 14px 5%;
  }

  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 14px;
  }

  .cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .board-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .why-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero h1 {
    font-size: 42px;
  }
}

@media (max-width: 800px) {
  .two-column {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .mission-list {
    text-align: left;
  }

  .board-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero h1 {
    font-size: 36px;
  }
}

@media (max-width: 600px) {
  body {
    padding-top: 170px;
  }

  .logo-box {
    flex-direction: column;
    text-align: center;
  }

  .logo-box span {
    font-size: 13px;
  }

  .hero {
    min-height: auto;
    padding: 70px 18px;
  }

  .hero h1 {
    font-size: 30px;
  }

  .hero-text {
    font-size: 17px;
  }

  .hero-buttons .btn {
    width: 100%;
    max-width: 280px;
  }

  .cards,
  .board-grid,
  .why-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 45px 18px 60px;
  }

  .section h2 {
    font-size: 29px;
  }
}