/* ==========================================================================
   National Institute of Fundamental Studies (NIFS), Sri Lanka
   Clean, Minimal & Professional Maintenance Page
   ========================================================================== */

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background-color: #f8fafc;
  color: #1e293b;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2.5rem 1.5rem;
  line-height: 1.6;
  overflow-x: hidden;
}

.wrapper {
  width: 100%;
  max-width: 620px;
  text-align: center;
}

/* ==========================================
   Logo Section (Static & Crisp)
   ========================================== */
.logo-area {
  margin-bottom: 1.5rem;
  display: flex;
  justify-content: center;
}

.logo {
  height: 92px;
  width: auto;
  object-fit: contain;
  display: block;
}

/* ==========================================
   Institutional Headings
   ========================================== */
.institute-title {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: #0f172a;
  line-height: 1.3;
}

.institute-country {
  font-size: 0.85rem;
  font-weight: 600;
  color: #0284c7;
  letter-spacing: 0.16em;
  margin-top: 0.25rem;
}

/* ==========================================
   Expanding Animated Divider
   ========================================== */
.divider {
  width: 52px;
  height: 3px;
  background: linear-gradient(90deg, #0284c7, #38bdf8);
  margin: 1.75rem auto;
  border-radius: 2px;
  position: relative;
  overflow: hidden;
}

.divider::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.8), transparent);
  animation: shimmer 3.5s infinite;
}

/* ==========================================
   Main Message
   ========================================== */
.main-heading {
  font-size: clamp(1.65rem, 3.5vw, 2.2rem);
  font-weight: 700;
  color: #0f172a;
  letter-spacing: -0.02em;
  margin-bottom: 0.85rem;
}

.message {
  font-size: 1rem;
  color: #475569;
  line-height: 1.7;
  margin-bottom: 2.25rem;
}

/* ==========================================
   Contact Box & Hover Interactions
   ========================================== */
.contact-box {
  background-color: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  padding: 1.6rem;
  margin-bottom: 2.5rem;
  font-size: 0.92rem;
  color: #334155;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}

.contact-box:hover {
  transform: translateY(-3px);
  border-color: #cbd5e1;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.07);
}

.contact-title {
  font-weight: 600;
  color: #0f172a;
  margin-bottom: 0.75rem;
  font-size: 0.95rem;
}

.contact-box p {
  margin-bottom: 0.4rem;
}

.contact-box p:last-child {
  margin-bottom: 0;
}

.interactive-link {
  color: #0284c7;
  text-decoration: none;
  font-weight: 500;
  position: relative;
  display: inline-block;
  transition: color 0.2s ease;
}

.interactive-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1.5px;
  background-color: #0284c7;
  transition: width 0.25s ease;
}

.interactive-link:hover {
  color: #0369a1;
}

.interactive-link:hover::after {
  width: 100%;
}

/* ==========================================
   Footer
   ========================================== */
.footer {
  font-size: 0.82rem;
  color: #94a3b8;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.developed-by {
  font-size: 0.8rem;
  color: #64748b;
}

.dev-link {
  color: #0f172a;
  font-weight: 600;
  text-decoration: none;
  position: relative;
  display: inline-block;
  transition: color 0.2s ease;
}

.dev-link::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 1.5px;
  background-color: #0284c7;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.dev-link:hover {
  color: #0284c7;
}

.dev-link:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* ==========================================
   Inner Entrance Animations (Content Only)
   ========================================== */
.animate-fade-up-1 {
  opacity: 0;
  transform: translateY(12px);
  animation: enterUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.1s forwards;
}

.animate-expand {
  transform: scaleX(0);
  animation: expandLine 0.7s cubic-bezier(0.16, 1, 0.3, 1) 0.25s forwards;
}

.animate-fade-up-2 {
  opacity: 0;
  transform: translateY(14px);
  animation: enterUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.35s forwards;
}

.animate-fade-up-3 {
  opacity: 0;
  transform: translateY(14px);
  animation: enterUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.5s forwards;
}

.animate-fade-up-4 {
  opacity: 0;
  transform: translateY(16px);
  animation: enterUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.65s forwards;
}

.animate-fade-up-5 {
  opacity: 0;
  transform: translateY(10px);
  animation: enterUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.8s forwards;
}

@keyframes enterUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes expandLine {
  to {
    transform: scaleX(1);
  }
}

@keyframes shimmer {
  0% {
    left: -100%;
  }
  40%, 100% {
    left: 100%;
  }
}

/* ==========================================
   Responsive Breakpoints
   ========================================== */
@media (max-width: 480px) {
  body {
    padding: 2rem 1rem;
  }

  .logo {
    height: 75px;
  }

  .institute-title {
    font-size: 0.95rem;
  }

  .main-heading {
    font-size: 1.5rem;
  }

  .contact-box {
    padding: 1.25rem 1rem;
    font-size: 0.88rem;
  }
}