:root {
  /* TRUST PALETTE VARIABLES */
  --primary-color: #6366f1;
  --dark-bg: #0f172a;
  --light-bg: #f8fafc;
  --text-primary-blue: #0d6efd;

  --bg-deep-navy: #0f172a;
  --primary-blue: #0f4c81;
  --hover-blue: #0a355c;
  --accent-cyan: #00d2fc;
  --text-dark: #2c3e50;

  --font-heading: "Poppins", sans-serif;
  --font-body: "Inter", sans-serif;
}

body {
  font-family: var(--font-body);
  color: var(--dark-bg);
  background-color: var(--light-bg);
}

/* Custom Navbar Styling to override default Bootstrap */
.navbar {
  background-color: rgba(255, 255, 255, 0.9) !important;
  backdrop-filter: blur(10px); /* Frosted glass effect */
  box-shadow: 0 1px 15px rgba(0, 0, 0, 0.05);
}

.nav-item .nav-link {
  font-weight: 600;
  color: var(--dark-bg) !important;
}

/* data-bs-link and data-bs-target in body tag's attribute to locate the nav-item */
.nav-item .nav-link:hover,
.nav-link.active {
  color: var(--primary-color) !important;
  border-bottom: 0.1rem solid var(--accent-cyan);
}

h1,
h2,
h3,
h4,
h5,
h6,
.navbar-brand,
.btn {
  font-family: var(--font-heading);
}

.btn-primary-custom {
  background-color: var(--hover-blue);
  color: var(--accent-cyan);
  border: none;
  font-weight: 600;
  transition: all 0.3s ease;
}
.btn-primary-custom:hover {
  background-color: var(--accent-cyan);
  color: var(--bg-deep-navy);
  transform: translateY(-3px);
  box-shadow: 0 10px 20px -10px var(--accent-cyan);
}

/* HERO SECTION STYLES */
.hero-section {
  padding: 80px 0;
  /* Uses your Blue/Trust palette variables */
  background: linear-gradient(to right, rgba(15, 76, 129, 0.05), #ffffff);
  overflow: hidden; /* Prevents scrollbars if animations move too far */
}

.hero-name {
  color: var(--primary-blue) !important;
  font-weight: 800; /* Extra Bold for impact */
  letter-spacing: -1px; /* Modern tight spacing */
  /* Adds a tiny shadow to make it pop off the white background */
  text-shadow: 0px 2px 4px rgba(0, 0, 0, 0.15);
}

/* 1. CONTAINER */
.animation-wrapper {
  display: flex;
  align-items: center;
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-blue);
  overflow: hidden; /* Ensures text doesn't spill out */
}

.static-text {
  color: var(--text-dark);
  white-space: nowrap;
  z-index: 2; /* Keeps "I am a" on top */
}

/* 2. THE STACK: Holds the words on top of each other */
.dynamic-words {
  display: grid;
  text-align: left;
  height: 1.5em;
  position: relative;
}

/* 3. THE ANIMATION LOGIC */
.dynamic-words span {
  grid-area: 1 / 1; /* Stacks words in the same spot */
  opacity: 0; /* Invisible by default */
  color: var(--primary-blue);

  /* Total Loop = 12 seconds (4 seconds per word).
       Infinite loop.
       Delay = index * 4 seconds.
    */
  animation: smoothFade 12s infinite;
  animation-delay: calc(var(--i) * 4s);
}

/* 4. SMOOTH KEYFRAMES */
@keyframes smoothFade {
  0% {
    opacity: 0;
    transform: translateY(5px); /* Starts slightly below */
  }
  10% {
    opacity: 1;
    transform: translateY(0); /* Floats up to center */
  }
  30% {
    opacity: 1;
    transform: translateY(0); /* Stays readable */
  }
  40% {
    opacity: 0;
    transform: translateY(-5px); /* Floats up and fades out */
  }
  100% {
    opacity: 0;
    transform: translateY(-5px);
  }
}

/* 2. IMAGE BOUNCE ANIMATION (Right Side) */
.hero-img-container {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-img {
  width: 80%;
  height: 80%;
  object-fit: cover;
  border-radius: 50%;
  border: 0.1rem solid darkcyan;
  box-shadow: 0 0 1.5rem darkcyan;
  /* background-color: var(--accent-cyan); */
  /* The Floating Animation */
  animation: float 4s ease-in-out infinite;
}

.hero-img:hover {
  border: 0.1rem solid rgb(5, 181, 250);
  box-shadow: 0 0 1.5rem rgb(5, 181, 250);
}

/* Float Animation Keyframes */
@keyframes float {
  0% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(0.8rem);
  } /* Moves up 20px */
  100% {
    transform: translateY(0px);
  }
}

/* 3. TECH ICONS STYLING */
.tech-icons i {
  font-size: 2rem; /* Big icons */
  margin-right: 15px;
  color: #6c757d; /* Grey by default */
  transition:
    transform 0.2s,
    color 0.2s;
}

.tech-icons i:hover {
  transform: translateY(-5px); /* Jumps up on hover */
  color: var(--primary-blue); /* Turns blue on hover */
}

/* MOBILE RESPONSIVENESS */
@media (max-width: 991px) {
  .hero-section {
    text-align: center;
  } /* Center everything on phone */
  .animation-wrapper {
    justify-content: center;
    font-size: 1.5rem;
  }
  .dynamic-text li {
    font-size: 1.5rem;
  }
  .hero-img {
    width: 280px;
    height: 280px;
    margin-top: 40px;
  }
}

/* ================= ABOUT SECTION CSS ================= */

/* 1. Layout & Positioning */
.about-section {
  min-height: 100vh; /* Takes full screen height */
  display: flex; /* Enables Flexbox */
  align-items: center; /* Vertically centers content */
  background-color: white;
  /* scroll-margin-top: 50px; Prevents Navbar overlap */
  padding: 20px 0; /* Small padding to keep it compact */
}

/* 2. Left Side Text */
.about-text {
  font-size: 1.05rem;
  line-height: 1.7;
  color: #6c757d; /* Muted text color */
}

.about-text p {
  text-align: justify;
  margin-bottom: 0.8rem;
}

/* 3. Right Side Card */
.about-card {
  border: none;
  background-color: rgba(248, 249, 250, 0.5); /* Light transparent bg */
  height: 100%;
}

/* 4. Tab Scroll Area (Crucial for One-Page Fit) */
.tab-scroll-area {
  height: 350px; /* Fixed height */
  overflow-y: auto; /* Adds scrollbar if list is too long */
}

/* 5. Tab Navigation Styling */
.nav-tabs .nav-link {
  color: var(--text-dark);
  border: none;
  border-bottom: 3px solid transparent;
  transition: all 0.3s ease;
}

.nav-tabs .nav-link:hover {
  color: var(--primary-blue);
  background-color: rgba(15, 76, 129, 0.05);
}

.nav-tabs .nav-link.active {
  color: var(--primary-blue);
  background-color: transparent;
  border-bottom: 3px solid var(--primary-blue);
}

/* 6. Certification & Edu Item Hover */
.cert-item,
.pub-box {
  background-color: white;
  transition:
    transform 0.2s ease,
    border-color 0.2s ease;
}

.cert-item:hover {
  transform: translateY(-2px);
  border-color: var(--primary-blue) !important;
}

/* Scrollbar beautification (Optional - works in Chrome/Edge) */
.tab-scroll-area::-webkit-scrollbar {
  width: 6px;
}
.tab-scroll-area::-webkit-scrollbar-thumb {
  background-color: #ccc;
  border-radius: 4px;
}

/* publications effect */
.pub-item {
  transition:
    transform 0.2s ease,
    border-color 0.2s ease;
}

.pub-item:hover {
  transform: translateY(-2px);
  border-color: var(--primary-blue) !important;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

/* ================= SKILLS SECTION STYLES ================= */

.skills-section {
  padding: 60px 0; /* Tighter vertical spacing */
  background-color: #f8f9fa;
  /* scroll-margin-top: 70px; */
}

/* CARD CONTAINER */
.skill-card {
  background: white;
  padding: 1.25rem; /* Compact padding inside card */
  border-radius: 10px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.02);
  border: 1px solid rgba(0, 0, 0, 0.05);
  transition:
    transform 0.2s ease,
    border-color 0.2s ease;
  height: 100%; /* Keeps cards uniform height */
}

.skill-card:hover {
  transform: translateY(-3px);
  border-color: var(--primary-blue);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.05);
}

/* CARD HEADER (Icon + Title) */
.card-header-compact {
  display: flex;
  align-items: center;
  margin-bottom: 0.75rem; /* Small gap between header and tags */
  border-bottom: 1px solid rgba(0, 0, 0, 0.03); /* Subtle separator line */
  padding-bottom: 0.5rem;
}

.card-header-compact i {
  font-size: 1.2rem; /* Smaller Icon */
  margin-right: 0.5rem;
}

.skill-title {
  font-size: 1rem; /* Compact Title */
  font-weight: 700;
  margin: 0;
  color: var(--text-dark);
}

/* TAG CONTAINER */
.skill-tags {
  display: flex;
  flex-wrap: wrap; /* Allows items to stack neatly */
  gap: 0.5rem; /* Small gap between badges */
}

/* BADGE STYLING */
.skill-badge {
  display: inline-block;
  padding: 4px 10px; /* Small, sleek padding */
  font-size: 0.8rem;
  font-weight: 500;
  color: #666;
  background-color: #fff;
  border: 1px solid #e9ecef;
  border-radius: 4px; /* Slightly squared corners look more technical */
  cursor: default;
}

/* HIGHLIGHT STYLING */
.skill-badge.skill-highlight {
  background-color: rgba(15, 76, 129, 0.05);
  color: var(--primary-blue);
  border-color: rgba(15, 76, 129, 0.15);
  font-weight: 600;
}

.skill-badge:hover {
  border-color: var(--primary-blue);
  color: var(--primary-blue);
}

/* ================= EXPERIENCE SECTION CSS ================= */

/* Section Spacing (Consistent with Skills) */
.section-padding {
  padding: 80px 0;
  /* scroll-margin-top: 70px; */
}

/* Card Styling */
.experience-card {
  background-color: #fff;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
}

.experience-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05) !important;
  border-color: rgba(15, 76, 129, 0.3) !important; /* Your Blue */
}

/* Vertical Divider (Desktop Only) */
@media (min-width: 768px) {
  .border-end-md {
    border-right: 1px solid #e9ecef;
  }
}

/* List Styling */
.experience-list {
  list-style-type: none; /* Remove default dots */
  padding-left: 0;
}

.experience-list li {
  position: relative;
  padding-left: 1.2rem; /* Space for the arrow */
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Custom Arrow Bullet */
.experience-list li::before {
  content: "➤";
  position: absolute;
  left: 0;
  color: var(--primary-blue);
  font-size: 0.7rem;
  top: 6px;
}

/* Tech Tag Styling */
.tech-tag {
  display: inline-block;
  font-size: 0.7rem;
  padding: 3px 8px;
  background-color: #f8f9fa;
  color: #555;
  border: 1px solid #dee2e6;
  border-radius: 4px;
  font-weight: 600;
}

/* ================= MOBILE RESPONSIVE FIXES ================= */
@media (max-width: 768px) {
  /* 1. Reduce vertical padding on mobile so it looks tight */
  .skills-section,
  .section-padding {
    padding-top: 40px !important; /* Reduced from 80px to 40px */
    padding-bottom: 40px !important;
    scroll-margin-top: 60px; /* Matches mobile navbar height */
  }

  /* 2. Optional: Reduce font size of section titles on mobile */
  .section-title {
    font-size: 1.75rem;
    margin-bottom: 1.5rem !important;
  }
}

/* ================= FINAL PROJECT CSS (Minimal Spacing) ================= */
/* #projects {
  scroll-margin-top: 70px; 
} */

.section-padding-compact {
  padding-top: 40px; /* Minimized top space */
  padding-bottom: 40px;
}

/* Fix for Hover Cut-off */
.carousel-inner {
  padding-top: 15px;
  padding-bottom: 15px;
  padding-left: 5px;
  padding-right: 5px;
}

/* Cards */
.project-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  border: 1px solid rgba(0, 0, 0, 0.05);
  background: white;
  border-radius: 12px;
  overflow: hidden;
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease;
}
.project-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1) !important;
  border-color: var(--primary-blue) !important;
}

/* Images */
.project-img-wrapper {
  height: 160px;
  overflow: hidden;
  border-bottom: 1px solid #eee;
}
.project-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.project-card:hover .project-img-wrapper img {
  transform: scale(1.05);
}

/* Content */
.card-body-custom {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}
.tech-tag {
  display: inline-block;
  font-size: 0.7rem;
  padding: 3px 8px;
  margin-right: 3px;
  margin-bottom: 3px;
  background-color: #f8f9fa;
  color: #555;
  border: 1px solid #dee2e6;
  border-radius: 4px;
  font-weight: 600;
}

/* Buttons */
.carousel-control-prev,
.carousel-control-next {
  width: 5%;
  opacity: 1;
}
.carousel-control-prev-icon,
.carousel-control-next-icon {
  background-color: var(--primary-blue);
  background-size: 50%, 50%;
  border-radius: 50%;
  padding: 1.2rem;
}
@media (max-width: 768px) {
  .carousel-control-prev {
    left: -15px;
  }
  .carousel-control-next {
    right: -15px;
  }
}

/* ================= PROFESSIONAL NAVBAR OFFSET FIX ================= */

/* 1. Reset standard padding for these specific sections */
.about-section,
.skills-section,
.section-padding,
.section-padding-compact {
  padding-top: 100px !important;
  padding-bottom: 60px !important;
}

/* 2. Specific Tweaks for "About" to keep it compact */
.about-section {
  padding-bottom: 20px !important; /* About content is long, so we need less bottom space */
}

/* 3. Specific Tweaks for "Skills" (Grey Background) */
.skills-section {
  padding-bottom: 40px !important; /* Balances the visual weight */
}

/* 4. Specific Tweaks for "Projects" (Compact) */
.section-padding-compact {
  padding-bottom: 40px !important;
}

/* 5. MOBILE ADJUSTMENTS */
@media (max-width: 991px) {
  /* On mobile, the navbar is smaller, so we need less top padding */
  .about-section,
  .skills-section,
  .section-padding,
  .section-padding-compact {
    padding-top: 70px !important; /* Safe zone for Mobile Navbar */
    padding-bottom: 40px !important;
  }
}

/* ================= CONTACT & FOOTER STYLING ================= */

.contact-section {
  background-color: #0f172a !important; /* Deep Navy */

  /* ATTRACTIVE SPACING FIX */
  /* 60px is the "Goldilocks" zone - not too tight, not too big. */
  padding-top: 60px !important;
  padding-bottom: 60px !important;
}

/* Eyebrow Label Styling */
.ls-2 {
  letter-spacing: 2px;
  font-size: 0.85rem; /* Small and subtle */
  opacity: 0.9;
}

/* Footer Styling */
.site-footer {
  background-color: #000000;
  padding: 20px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.8rem;
}

/* Button & Icon Polish */
.btn-outline-light:hover {
  color: #0f172a;
  background-color: #fff;
  border-color: #fff;
}

.social-icon-link {
  font-size: 2rem;
  color: rgba(255, 255, 255, 0.6);
  transition: all 0.3s ease;
  display: inline-block;
}

.social-icon-link:hover {
  color: #fff;
  transform: translateY(-5px);
}

/* ================= THEME TOGGLE BUTTON STYLING ================= */
#theme-toggle {
  background-color: transparent;
  border: none;
  padding-top: 8px;
  padding-bottom: 8px;
  transition:
    transform 0.3s ease,
    color 0.3s ease;
}

#theme-toggle:hover {
  color: var(--primary-color, #6366f1) !important;
  transform: rotate(15deg);
}

#theme-toggle:focus-visible {
  outline: 2px solid var(--primary-color); /* Shows a ring when using Keyboard Tab */
  border-radius: 50%; /* Makes the ring circular */
  outline-offset: 2px; /* Adds a tiny gap so it looks nice */
}

/* Specific color for the Sun icon when Dark Mode is active */
body.dark-mode #theme-toggle {
  color: #fbbf24; /* Sun Yellow */
}

/* ================= DARK MODE COLOR LOGIC (INTERACTIVE FIXED) ================= */

/* 1. Base Variables Swap */
body.dark-mode {
  --light-bg: #0f172a;
  --dark-bg: #f8fafc;

  background-color: #0f172a !important;
  color: #cbd5e1 !important;
}

/* 2. Hero Section Fixes */
body.dark-mode .hero-section {
  background: #0f172a !important;
}
body.dark-mode .hero-name {
  color: #818cf8 !important;
  text-shadow: none !important;
}
body.dark-mode .static-text {
  color: #cbd5e1 !important;
}
body.dark-mode .hero-section .lead {
  color: #cbd5e1 !important;
  opacity: 1 !important;
}

/* 3. Navbar Fixes */
body.dark-mode .navbar {
  background-color: rgba(15, 23, 42, 0.9) !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
}
body.dark-mode .navbar-brand {
  color: #f8fafc !important;
}
body.dark-mode .navbar-toggler {
  border-color: rgba(255, 255, 255, 0.1) !important;
}
body.dark-mode .navbar-toggler-icon {
  filter: invert(1) grayscale(100%) brightness(200%);
}
body.dark-mode .nav-link {
  color: #cbd5e1 !important;
}
body.dark-mode .nav-link:hover,
body.dark-mode .nav-link.active {
  color: #818cf8 !important;
}

/* 4. Global Text & Headings */
body.dark-mode h1,
body.dark-mode h2,
body.dark-mode h3,
body.dark-mode h4,
body.dark-mode h5 {
  color: #f8fafc !important;
}
body.dark-mode h6,
body.dark-mode .h6,
body.dark-mode .fw-bold.text-dark {
  color: #e2e8f0 !important;
}
body.dark-mode strong {
  color: #f1f5f9 !important;
}
body.dark-mode .text-muted,
body.dark-mode .text-secondary {
  color: #94a3b8 !important;
}

/* 5. Section Backgrounds */
body.dark-mode .bg-light,
body.dark-mode .bg-white,
body.dark-mode .about-section,
body.dark-mode .skills-section,
body.dark-mode .section-padding,
body.dark-mode .section-padding-compact {
  background-color: #0f172a !important;
}

/* 6. Card Components (Base State) */
body.dark-mode .card,
body.dark-mode .project-card,
body.dark-mode .experience-card,
body.dark-mode .skill-card,
body.dark-mode .pub-item,
body.dark-mode .cert-item {
  background-color: #1e293b !important;
  color: #cbd5e1 !important;
  border-color: rgba(255, 255, 255, 0.05) !important;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3) !important;
}

/* 7. Card Hover Effects (Dark Theme Version) */
body.dark-mode .project-card:hover,
body.dark-mode .experience-card:hover,
body.dark-mode .skill-card:hover,
body.dark-mode .pub-item:hover,
body.dark-mode .cert-item:hover {
  transform: translateY(-5px);
  background-color: #263345 !important;
  border-color: #6366f1 !important;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5) !important;
}

/* 8. Fix Invisible GitHub Button */
body.dark-mode .btn-outline-dark {
  color: #f8fafc !important;
  border-color: #f8fafc !important;
}
body.dark-mode .btn-outline-dark:hover {
  background-color: #f8fafc !important;
  color: #0f172a !important;
}

/* 9. TABS HOVER FIX (About Section) */
body.dark-mode .nav-tabs .nav-link {
  color: #94a3b8 !important;
}
/* Active State */
body.dark-mode .nav-tabs .nav-link.active {
  color: #818cf8 !important;
  background-color: transparent !important;
  border-bottom-color: #818cf8 !important;
}
/* HOVER STATE (New Fix) */
body.dark-mode .nav-tabs .nav-link:hover {
  color: #f8fafc !important; /* Turn white */
  background-color: rgba(
    255,
    255,
    255,
    0.05
  ) !important; /* Slight background glow */
  border-color: transparent transparent #6366f1 transparent !important; /* Purple bottom border hint */
}
body.dark-mode .tab-scroll-area {
  color: #cbd5e1 !important;
}

/* 10. SKILLS BADGE HOVER FIX */
body.dark-mode .skill-badge,
body.dark-mode .tech-tag {
  background-color: #0f172a !important;
  color: #cbd5e1 !important;
  border-color: rgba(255, 255, 255, 0.1) !important;
  transition: all 0.2s ease; /* Ensure smooth animation */
}

/* The Highlighted Skills */
body.dark-mode .skill-badge.skill-highlight {
  background-color: rgba(99, 102, 241, 0.15) !important;
  color: #a5b4fc !important;
  border-color: #6366f1 !important;
}

/* HOVER STATE (New Fix) */
body.dark-mode .skill-badge:hover,
body.dark-mode .tech-tag:hover {
  transform: translateY(-3px); /* Make it jump */
  border-color: #818cf8 !important; /* Glow border */
  color: #f8fafc !important; /* Turn text white */
  background-color: #1e293b !important; /* Slightly lighter bg */
  cursor: default;
}

/* ================= SCROLL TO TOP BUTTON (GLASS STYLE) ================= */
#scrollTopBtn {
  position: fixed;
  bottom: 25px;
  right: 25px;
  z-index: 1000;
  width: 40px;
  height: 40px;
  font-size: 1rem;
  /* Glassmorphism / Transparency Effect */
  background-color: rgba(
    99,
    102,
    241,
    0.7
  );
  backdrop-filter: blur(4px); /* The "Frosted" look */
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: white;
  /* Shape & Positioning */
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
  /* Animation State (Hidden) */
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.3s ease;
}

#scrollTopBtn.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

#scrollTopBtn:hover {
  background-color: var(--primary-color); 
  transform: translateY(-3px);
  box-shadow: 0 6px 15px rgba(99, 102, 241, 0.4);
}

/* ================= DARK MODE ADJUSTMENT ================= */
body.dark-mode #scrollTopBtn {
  background-color: rgba(255, 255, 255, 0.1); /* White transparent glass */
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--primary-color); 
}

body.dark-mode #scrollTopBtn:hover {
  background-color: var(--primary-color); 
  color: white; 
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.5); 
}