/* ==========================================================================
   GSV MUN - Premium Global Styles (Logo Matched)
   ========================================================================== */
@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Playfair+Display:ital,wght@0,500;0,600;0,700;1,500&display=swap");

:root {
  /* Exact colors extracted from the GSV MUN Logo */
  --logo-dark-blue: #1d2266;
  --logo-bright-blue: #00a8e8;

  --text-dark: #1a202c;
  --text-body: #4a5568;
  --bg-light: #fcfcfd;
  --white: #ffffff;
  --border-light: #e2e8f0;
  --shadow-elegant: 0 10px 40px rgba(29, 34, 102, 0.08); /* Tinted to match dark blue */
}

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

body {
  font-family: "Inter", sans-serif;
  color: var(--text-body);
  background-color: var(--bg-light);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5 {
  font-family: "Playfair Display", serif;
  color: var(--logo-dark-blue);
  font-weight: 600;
}

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
}

/* ==========================================================================
   Premium Navigation Bar
   ========================================================================== */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-light);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  padding: 0.8rem 4rem;
  z-index: 1000;
  transition: box-shadow 0.3s ease;
}

.navbar.scrolled {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}

.logo-placeholder {
  width: 140px;
  height: 60px;
  background: #f1f5f9;
  border: 1px dashed #cbd5e1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-family: "Inter", sans-serif;
  font-weight: 600;
  color: var(--logo-dark-blue);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.nav-links {
  display: flex;
  justify-content: center;
  list-style: none;
  gap: 2.5rem;
}

.nav-links a {
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--text-dark);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  position: relative;
  padding-bottom: 5px;
}

.nav-links a::after {
  content: "";
  position: absolute;
  width: 0;
  height: 2px;
  bottom: 0;
  left: 0;
  background-color: var(--logo-bright-blue);
  transition: width 0.3s ease;
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-links a:hover {
  color: var(--logo-dark-blue);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 0 20px;
  background-color: var(--logo-dark-blue);
  color: var(--white);
  position: relative;
  border-bottom: 8px solid var(--logo-bright-blue);
}

.hero-content {
  max-width: 900px;
  z-index: 2;
  animation: fadeIn 1.5s ease;
}

/* Hero Section EPITOME Logo */
.hero-epitome-logo {
  height: 45px; /* Keeps it small and elegant */
  width: auto;
  display: block;
  margin: 0 auto 1.5rem auto; /* Centers the image and pushes the text below it down */
  object-fit: contain;
}

/* Mobile adjustment for the hero logo */
@media (max-width: 600px) {
  .hero-epitome-logo {
    height: 35px;
    margin-bottom: 1rem;
  }
}
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero h1 {
  color: var(--white);
  font-size: 4.5rem;
  line-height: 1.1;
  margin-bottom: 1rem;
  letter-spacing: -1px;
}

.hero h3 {
  color: var(--logo-bright-blue);
  font-family: "Inter", sans-serif;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 3px;
  font-size: 1rem;
  margin-bottom: 2rem;
}

.hero p {
  font-size: 1.1rem;
  font-weight: 300;
  color: #e2e8f0;
  max-width: 700px;
  margin: 0 auto 3rem auto;
}

.btn-primary {
  display: inline-block;
  background: var(--logo-bright-blue);
  color: var(--white);
  padding: 1rem 2.5rem;
  font-family: "Inter", sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  border: 1px solid var(--logo-bright-blue);
  transition: all 0.3s ease;
}

.btn-primary:hover {
  background: transparent;
  color: var(--logo-bright-blue);
}

/* ==========================================================================
   Layouts & Elegant Cards
   ========================================================================== */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 120px 20px 80px 20px;
}

.section-title {
  text-align: center;
  font-size: 2.8rem;
  margin-bottom: 3rem;
  color: var(--logo-dark-blue);
}

.section-title::after {
  content: "";
  display: block;
  width: 80px;
  height: 3px;
  background: var(--logo-bright-blue);
  margin: 1.5rem auto 0;
}

/* Elegant Solid Cards */
.card {
  background: var(--white);
  padding: 3rem;
  box-shadow: var(--shadow-elegant);
  border: 1px solid var(--border-light);
  transition:
    transform 0.4s ease,
    box-shadow 0.4s ease;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 50px rgba(29, 34, 102, 0.12);
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

/* Highlights */
.highlight-card {
  text-align: center;
  padding: 2.5rem 1.5rem;
  border-bottom: 3px solid transparent;
}

.highlight-card:hover {
  border-bottom: 3px solid var(--logo-bright-blue);
}

.highlight-card i {
  font-size: 2rem;
  color: var(--logo-bright-blue);
  margin-bottom: 1.5rem;
}

.highlight-card h4 {
  font-family: "Inter", sans-serif;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 1px;
  margin-bottom: 0.5rem;
}

/* Info Box */
.info-box {
  padding: 1.5rem;
  border-left: 3px solid var(--logo-bright-blue);
  background: #f8fafc;
  margin: 1.5rem 0;
}

/* ==========================================================================
   Footer
   ========================================================================== */
footer {
  background: var(--logo-dark-blue);
  color: var(--white);
  text-align: center;
  padding: 4rem 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

footer h3 {
  color: var(--white);
  font-size: 1.8rem;
  margin-bottom: 1rem;
}

footer p {
  color: #94a3b8;
  font-size: 0.9rem;
  font-family: "Inter", sans-serif;
}

/* ==========================================================================
   Responsive Design & Mobile Navigation
   ========================================================================== */
.nav-right {
  display: flex;
  align-items: center;
  gap: 15px;
}

.hamburger {
  display: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  z-index: 1001; /* Keeps it above the mobile menu */
}

.hamburger .bar {
  width: 25px;
  height: 3px;
  background-color: var(--logo-dark-blue);
  transition: all 0.3s ease;
  border-radius: 3px;
}

@media (max-width: 1024px) {
  .navbar {
    padding: 1rem 2rem;
  }
  .nav-links {
    gap: 1.5rem;
  }
}

@media (max-width: 900px) {
  /* Navbar Mobile Transformation */
  .navbar {
    grid-template-columns: auto auto;
    justify-content: space-between;
  }

  .hamburger {
    display: flex;
  }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    flex-direction: column;
    align-items: center;
    padding: 2rem 0;
    gap: 1.5rem;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
    border-bottom: 2px solid var(--logo-bright-blue);

    /* Smooth dropdown animation using clip-path */
    clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
    transition: clip-path 0.4s ease-in-out;
  }

  .nav-links.active {
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
  }

  /* Hamburger Animation to 'X' */
  .hamburger.active .bar:nth-child(2) {
    opacity: 0;
  }
  .hamburger.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  .hamburger.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  /* Layout Adjustments */
  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .card {
    padding: 2rem 1.5rem;
  }
  .container {
    padding: 100px 15px 50px 15px;
  }

  /* Typography Adjustments */
  .hero h1 {
    font-size: 3rem;
  }
  .section-title {
    font-size: 2.2rem;
  }
  .page-header h1 {
    font-size: 2.5rem;
  }
  /* ==========================================================================
   Social Media Links (Footer)
   ========================================================================== */
  .social-container {
    margin-top: 2.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
  }

  .social-label {
    font-family: "Inter", sans-serif;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: #94a3b8;
  }

  .social-icons {
    display: flex;
    gap: 15px;
  }

  .social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--white);
    font-size: 1.2rem;
    transition: all 0.3s ease;
  }

  .social-icon:hover {
    background-color: var(--logo-bright-blue);
    border-color: var(--logo-bright-blue);
    color: var(--logo-dark-blue);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 168, 232, 0.3);
  }
}

@media (max-width: 600px) {
  /* Small Phone Adjustments */
  .hero h1 {
    font-size: 2.2rem;
  }
  .hero h3 {
    font-size: 0.85rem;
    letter-spacing: 2px;
  }
  .section-title {
    font-size: 1.8rem;
  }

  /* Shrink placeholders so they fit on narrow screens */
  .logo-placeholder {
    width: 100px;
    height: 45px;
    font-size: 0.6rem;
  }

  .sg-photo-large {
    height: 300px;
  }
  .btn-primary {
    padding: 0.8rem 1.5rem;
    width: 100%;
    text-align: center;
  }
  /* Image Tag Overrides for Placeholders */
  img.profile-img-placeholder,
  img.sg-photo-large,
  img.committee-logo-placeholder {
    object-fit: cover; /* Ensures the photo fills the circle/box perfectly without stretching */
    background: transparent;
    padding: 0;
  }

  .nav-logo {
    height: 60px; /* Matches the navbar height */
    width: auto;
    object-fit: contain;
  }
}