:root {
    --brand-blue: #3b82f6;
    --brand-purple: #8b5cf6;
    --brand-dark: #111827;
    --dark-card: #1f2937;
    --dark-bg: #111827;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: #ffffff;
    color: #374151;
    overflow-x: hidden; /* Prevents horizontal scroll from animations */
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* --- Dark Mode Styles --- */
body.dark-mode {
    background-color: var(--dark-bg);
    color: #d1d5db;
}

.gradient-text {
    background: linear-gradient(to right, var(--brand-blue), var(--brand-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;
}

.gradient-bg {
    background: linear-gradient(to right, var(--brand-blue), var(--brand-purple));
}

#navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}
body.dark-mode #navbar.scrolled {
    background-color: rgba(31, 41, 55, 0.8); /* dark-card with opacity */
     box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.2);
}

.nav-link {
    position: relative;
    transition: color 0.3s ease;
    color: #4b5563; /* Darker text for light navbar */
}

#navbar.top .nav-link {
     color: #d1d5db; /* Lighter text for hero section */
}
body.dark-mode #navbar.scrolled .nav-link {
    color: #d1d5db;
}

#navbar.top #eaz-nexora-title {
    color: white;
}

#navbar.scrolled #eaz-nexora-title {
    color: var(--brand-dark);
}
body.dark-mode #navbar.scrolled #eaz-nexora-title {
    color: white;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%);
    background-image: linear-gradient(to right, var(--brand-blue), var(--brand-purple));
    transition: width 0.3s ease;
}

.nav-link.active::after, .nav-link:hover::after {
    width: 100%;
}



#mobile-menu .page-link {
    color: #4b5563;
}
body.dark-mode #mobile-menu .page-link {
    color: #d1d5db;
}

#mobile-menu .page-link.mobile-active {
    background-color: #ede9fe;
    color: var(--brand-purple);
    font-weight: 600;
}

body.dark-mode #mobile-menu .page-link.mobile-active {
    background-color: #374151;
}

.page {
    display: none;
    animation: fadeIn 0.8s ease-in-out;
}

.page.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.card-hover-effect {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}
body.dark-mode .card-hover-effect {
    background-color: var(--dark-card);
    border-color: #374151;
    box-shadow: none;
}

.card-hover-effect:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}
body.dark-mode .card-hover-effect:hover {
     box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.2), 0 10px 10px -5px rgba(0, 0, 0, 0.1);
}

.fade-in-section {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in-section.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.page-hero {
    position: relative;
    color: white;
    text-align: center;
}
.page-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-size: cover;
    background-position: center;
    background-color: var(--brand-dark);
    opacity: 0.5;
    z-index: -1;
}
.page-hero-bg {
     background-image: url('assets/banner.png');
}
/* Fix for page hero banner image visibility */
.page-hero.page-hero-bg {
  background-image: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.6)), url('assets/banner.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
  z-index: 1;
}

.page-hero.page-hero-bg::before {
  display: none; /* hide old dark overlay */
}


/* Home Page Hero Animations */
.animated-hero-h1 { animation: slideInUp 0.8s ease-out forwards; opacity: 0; }
.animated-hero-p { animation: slideInUp 0.8s ease-out 0.2s forwards; opacity: 0; }
.animated-hero-buttons { animation: slideInUp 0.8s ease-out 0.4s forwards; opacity: 0; }

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* More dark mode specific styles */
body.dark-mode .bg-gray-50 { background-color: transparent; }
body.dark-mode .bg-white { background-color: var(--dark-card); }
body.dark-mode .text-gray-800 { color: #f9fafb; }
body.dark-mode .text-gray-500 { color: #9ca3af; }
body.dark-mode .text-gray-600 { color: #d1d5db; }
body.dark-mode .text-gray-700 { color: #d1d5db; }
body.dark-mode .border-gray-200 { border-color: #374151; }
body.dark-mode .border-t { border-color: #374151; }
body.dark-mode input, body.dark-mode textarea {
    background-color: #374151;
    border-color: #4b5563;
    color: #f9fafb;
}
body.dark-mode input::placeholder, body.dark-mode textarea::placeholder {
    color: #9ca3af;
}
body.dark-mode .bg-gray-200 { background-color: #374151; }
body.dark-mode .bg-blue-100 { background-color: rgba(59, 130, 246, 0.2); }
body.dark-mode .text-blue-800 { color: #93c5fd; }
body.dark-mode .bg-purple-100 { background-color: rgba(139, 92, 246, 0.2); }
body.dark-mode .text-purple-800 { color: #c4b5fd; }
body.dark-mode .bg-green-100 { background-color: rgba(34, 197, 94, 0.2); }
body.dark-mode .text-green-800 { color: #86efac; }

.expertise-highlight {
    font-weight: 600;
    color: #4338ca; /* A nice indigo color */
}
body.dark-mode .expertise-highlight {
     color: #a5b4fc; /* A lighter indigo for dark mode */
}

#particle-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -10;
    display: none; /* Hidden by default */
}
body.dark-mode #particle-canvas {
    display: block; /* Visible in dark mode */
}

.image-hover-effect {
    transition: transform 0.3s ease-in-out;
}
.image-hover-effect:hover {
    transform: scale(1.05);
}

/* Project filter buttons */
.project-filter-btn {
    padding: 8px 20px;
    border-radius: 9999px;
    font-weight: 500;
    background-color: #f3f4f6;
    border: 1px solid #e5e7eb;
    transition: all 0.3s ease;
}
.dark-mode .project-filter-btn {
    color: #d1d5db;
    background-color: #374151;
    border-color: #4b5563;
}
.project-filter-btn:hover {
    background-color: #e5e7eb;
}
.dark-mode .project-filter-btn:hover {
    background-color: #4b5563;
}
.project-filter-btn.active {
    background: linear-gradient(to right, var(--brand-blue), var(--brand-purple));
    color: white;
    border-color: transparent;
}
/* Remove space between Featured and All Projects sections */
.featured-projects {
  margin-bottom: 0 !important;
  padding-bottom: 0 !important;
}

.all-projects,
#all-projects-section {
  margin-top: 0 !important;
  padding-top: 0 !important;
}
.all-projects {
  margin-top: -2px;
}
/* Remove spacing between Featured and All Projects */
.featured-projects {
  margin-bottom: 0 !important;
  padding-bottom: 0 !important;
}

.all-projects {
  margin-top: 0 !important;
  padding-top: 0 !important;
}
/* ===== Navbar Active Link ===== */
.nav-link.active {
  color: #6366f1 !important; /* Brand purple */
  font-weight: 600;
}

/* Mobile active link background */
#mobile-menu .nav-link.active {
  background-color: rgba(99, 102, 241, 0.1);
  border-right: 3px solid #6366f1;
}

.dark #mobile-menu .nav-link.active {
  background-color: rgba(99, 102, 241, 0.2);
  border-right: 3px solid #a78bfa;
  color: #a78bfa !important;
}
/* ===== Project Image Responsive Fix ===== */
.project-item img,
.project-card img,
.projects-grid img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 0.75rem; /* optional: rounded corners */
  display: block;
}

/* Ensure containers adjust height automatically */
.project-item,
.project-card {
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

/* Optional: keep consistent card ratio */
@media (min-width: 1024px) {
  .project-item img {
    max-height: 260px;
  }
}

@media (max-width: 768px) {
  .project-item img {
    max-height: 200px;
  }
}
/* ===== Form Input Styling (Visible in Light & Dark Mode) ===== */
input[type="text"],
input[type="email"],
input[type="tel"],
textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid #d1d5db; /* Light gray border */
  border-radius: 0.5rem;
  background-color: #ffffff; /* White background for light mode */
  color: #111827; /* Dark text */
  outline: none;
  transition: all 0.3s ease;
  font-size: 1rem;
}

/* On focus */
input:focus,
textarea:focus {
  border-color: #6366f1; /* Brand purple */
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

/* Dark mode styles */
body.dark-mode input[type="text"],
body.dark-mode input[type="email"],
body.dark-mode input[type="tel"],
body.dark-mode textarea {
  background-color: #1f2937; /* Dark card */
  border: 1px solid #374151; /* Darker gray border */
  color: #f3f4f6; /* Light text */
}

body.dark-mode input:focus,
body.dark-mode textarea:focus {
  border-color: #a78bfa;
  box-shadow: 0 0 0 2px rgba(167, 139, 250, 0.3);
}
/* ===== Fade-In Section Animation ===== */
.fade-in-section {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease-out;
  will-change: transform, opacity;
}

.fade-in-section.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-section.is-hidden {
  opacity: 0;
  transform: translateY(-30px);
}
/* ============================ */
/*  UNIVERSAL CARD HOVER EFFECT */
/* ============================ */

.card-hover-effect {
  position: relative;
  transition: all 0.4s ease;
  transform: perspective(1000px) translateZ(0);
  background: linear-gradient(to bottom right, rgba(255,255,255,0.04), rgba(255,255,255,0.08));
  border-radius: 1rem;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  cursor: pointer;
}

/* Hover Lift & Glow */
.card-hover-effect:hover {
  transform: translateY(-8px) scale(1.03);
  box-shadow: 0 10px 30px rgba(99,102,241,0.25);
  background: linear-gradient(to bottom right, rgba(255,255,255,0.1), rgba(255,255,255,0.15));
}

/* Subtle border glow animation */
.card-hover-effect::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 2px solid transparent;
  background: linear-gradient(135deg, #6366f1, #9333ea);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}

.card-hover-effect:hover::before {
  opacity: 1;
}

/* Smooth text + icon motion */
.card-hover-effect i,
.card-hover-effect h3,
.card-hover-effect p {
  transition: all 0.3s ease;
}

.card-hover-effect:hover i {
  transform: scale(1.1);
  color: #6366f1;
}

.card-hover-effect:hover h3 {
  transform: translateY(-3px);
  color: #4f46e5;
}

.card-hover-effect:hover p {
  transform: translateY(-2px);
  color: #0e9de9;
}

/* Dark mode version */
.dark .card-hover-effect {
  background: linear-gradient(to bottom right, rgba(31,41,55,0.6), rgba(17,24,39,0.8));
  box-shadow: 0 2px 10px rgba(0,0,0,0.4);
}

.dark .card-hover-effect:hover {
  box-shadow: 0 12px 35px rgba(167,139,250,0.3);
}

/* Icon container hover effect */
.card-hover-effect .inline-flex {
  transition: transform 0.4s ease, background 0.3s ease;
}

.card-hover-effect:hover .inline-flex {
  transform: scale(1.1);
  background: linear-gradient(to right, #6366f1, #9333ea);
  color: #fff;
}

/* Optional: smaller hover motion for mobile */
@media (max-width: 768px) {
  .card-hover-effect:hover {
    transform: scale(1.02);
  }
}