/* --- Global Styles & Variables --- */
:root {
  --font-sans: "Inter", sans-serif;
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --dark-bg: #0f172a;
  --dark-card: #1e293b;
  --dark-text: #e2e8f0;
  --dark-subtle: #94a3b8;
  --dark-border: #334155; /* Slate-700 */
  --primary-light-bg: rgba(59, 130, 246, 0.2); /* primary/20 */
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--dark-bg);
  color: var(--dark-text);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--dark-card);
}
::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary-hover);
}

/* Reusable Container */
.container {
  max-width: 1152px; /* Corresponds to 6xl */
  margin: 0 auto;
  padding: 0 1rem; /* 4 * 0.25rem */
}

/* Reusable Buttons */
.button-primary,
.button-secondary {
  display: inline-block;
  padding: 0.75rem 1.5rem; /* py-3 px-6 */
  border-radius: 8px; /* rounded-lg */
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  transform-origin: center;
  border: 2px solid transparent; /* Add border for layout consistency */
  cursor: pointer; /* Ensure buttons look clickable */
}

.button-primary {
  background-color: var(--primary);
  border-color: var(--primary);
  color: white;
}
.button-primary:hover {
  background-color: var(--primary-hover);
  border-color: var(--primary-hover);
  transform: scale(1.05);
}

.button-secondary {
  border: 2px solid var(--primary);
  color: var(--primary);
  background-color: transparent;
}
.button-secondary:hover {
  background-color: var(--primary);
  color: white;
  transform: scale(1.05);
}

/* Section Titles */
.section-title {
  font-size: 2.25rem; /* 4xl */
  font-weight: 700;
  color: white;
  text-align: center;
  margin-bottom: 4rem; /* mb-16 */
}

/* Utility Class */
.text-primary {
  color: var(--primary);
}

/* --- Header & Navigation --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  width: 100%;
  background-color: rgba(15, 23, 42, 0.9); /* dark-bg/90 */
  backdrop-filter: blur(4px);
  border-bottom: 1px solid var(--dark-card);
}

.nav-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.nav-logo {
  font-size: 1.5rem; /* 2xl */
  font-weight: 700;
  color: white;
  text-decoration: none;
}

.nav-links {
  display: none; /* Hidden on mobile */
  align-items: center;
}

.nav-links a {
  color: var(--dark-subtle);
  text-decoration: none;
  transition: color 0.2s ease;
  margin-left: 1.5rem; /* space-x-6 */
}
.nav-links a:hover {
  color: var(--primary);
}
.nav-links a.button-primary {
  color: white; /* Override for button */
  padding: 0.5rem 1rem; /* py-2 px-4 */
}
.nav-links a.button-primary:hover {
  color: white;
  background-color: var(--primary-hover);
  transform: none; /* Disable scale on nav button */
}

/* Mobile Nav Toggle */
.nav-mobile-toggle {
  display: block; /* Show on mobile */
  background: none;
  border: none;
  color: var(--dark-subtle);
  cursor: pointer;
}
.nav-mobile-toggle svg {
  width: 24px;
  height: 24px;
}
.icon-close {
  display: none;
}

/* Mobile Menu */
.nav-mobile-menu {
  display: none; /* Hidden by default */
  flex-direction: column;
  padding: 1rem;
  background-color: var(--dark-card);
  border-bottom: 1px solid var(--dark-border);
}
.nav-mobile-menu a {
  padding: 0.75rem 0.5rem;
  text-decoration: none;
  color: var(--dark-subtle);
  font-size: 1.125rem;
  transition: color 0.2s ease;
}
.nav-mobile-menu a:hover {
  color: var(--primary);
}
.nav-mobile-menu a.button-primary {
  text-align: center;
  color: white;
  margin-top: 0.5rem;
}

/* --- Hero Section --- */
.hero-section {
  min-height: 70vh;
  display: flex;
  flex-direction: column; /* Mobile-first: stack image on top */
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 3rem 0;
}

/* === UPDATED: Style for the link wrapping the image === */
.photo-link {
  display: inline-block;
  border-radius: 50%; /* Match the wrapper */
  text-decoration: none; /* Remove underline */
  /* This prevents the hover flicker from the pseudo-element */
  -webkit-transform: translateZ(0);
  transform: translateZ(0);
  /* === NEW: Added perspective and size === */
  perspective: 1000px;
  width: 250px;
  height: 250px;
  margin-bottom: 2rem;
}

/* --- UPDATED STYLES for Hero Image --- */
.hero-image-wrapper {
  position: relative;
  /* === UPDATED: Size now 100% to fill .photo-link === */
  width: 100%;
  height: 100%;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  /* Outer glow effect */
  background: radial-gradient(
    circle,
    var(--primary-light-bg) 40%,
    transparent 70%
  );
  cursor: pointer;
}

/* Outer ring */
.hero-image-wrapper::before {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 2px solid var(--primary);
  opacity: 0.5;
  transform: scale(1.08); /* Makes it slightly larger than the image */
}

/* === NEW: Flip Card Styles === */
.hero-image-flipper {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.8s cubic-bezier(0.77, 0, 0.175, 1);
  transform-style: preserve-3d;
}

.photo-link:hover .hero-image-flipper {
  transform: rotateY(180deg);
}

.hero-image-front,
.hero-image-back {
  position: absolute;
  width: 100%;
  height: 100%;
  -webkit-backface-visibility: hidden; /* Safari */
  backface-visibility: hidden;
  border-radius: 50%; /* Keep the circular shape */
}

/* .hero-image-front is the .hero-image-wrapper */
.hero-image-front {
  transform: rotateY(0deg);
}

.hero-image-back {
  transform: rotateY(180deg);
  /* Reuse existing styles for consistency */
  background-color: var(--dark-card);
  border: 2px solid var(--primary);
  color: white;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 1.5rem;
  font-weight: 600;

  /* Match the glow effect from the front */
  background: radial-gradient(
    circle,
    var(--primary-light-bg) 40%,
    transparent 70%
  );
}
/* === END: Flip Card Styles === */

.hero-profile-pic {
  width: 90%; /* Slightly smaller to fit inside the wrapper's effects */
  height: 90%;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--primary); /* Inner solid ring */
  position: relative; /* Ensure it's on top */
  z-index: 10;
}

.hero-text-content {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-section h1 {
  font-size: 3rem; /* 5xl */
  font-weight: 700;
  color: white;
  margin-bottom: 1rem;
}

.hero-subtitle {
  font-size: 1.5rem; /* 2xl */
  color: var(--dark-subtle);
  margin-bottom: 2rem;
}

.hero-description {
  font-size: 1.125rem; /* lg */
  max-width: 42rem; /* 2xl */
  margin-bottom: 3rem;
  line-height: 1.6;
}

.hero-buttons {
  display: flex;
  gap: 1rem; /* space-x-4 */
}

/* --- Base Section Styles --- */
section {
  padding: 6rem 0; /* py-24 */
}

/* --- About Section --- */
.about-content {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.about-bio {
  flex: 2; /* Takes 2/3 */
}
.about-bio p {
  font-size: 1.125rem; /* lg */
  margin-bottom: 1rem;
  line-height: 1.6;
}

.about-skills {
  flex: 1; /* Takes 1/3 */
}

.skills-card {
  background-color: var(--dark-card);
  padding: 1.5rem;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  /* Make skills card align to top on desktop */
  align-self: flex-start;
}
.skills-card h3 {
  font-size: 1.5rem; /* 2xl */
  font-weight: 600;
  color: white;
  margin-bottom: 1.5rem;
}

/* --- NEW STATS-BASED SKILL STYLES --- */
.skills-stats-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem; /* 20px */
}

.skill-stat {
  width: 100%;
}

.skill-stat-info {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.5rem; /* 8px */
}

.skill-name {
  font-weight: 500;
  color: var(--dark-text);
  font-size: 0.875rem; /* 14px */
}

.skill-percent {
  font-size: 0.875rem; /* 14px */
  color: var(--dark-subtle);
}

.skill-progress-bar-bg {
  width: 100%;
  height: 8px;
  background-color: var(--dark-border); /* Dark background for the bar */
  border-radius: 4px;
  overflow: hidden;
}

.skill-progress-bar {
  height: 100%;
  background-color: var(--primary);
  border-radius: 4px;
  transition: width 0.5s ease-in-out;
}
/* --- END NEW STATS STYLES --- */

/* --- Projects Section --- */
.projects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.project-card {
  background-color: var(--dark-card);
  border-radius: 8px;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1),
    0 4px 6px -2px rgba(0, 0, 0, 0.05);
  overflow: hidden;
  transition: all 0.3s ease;
}
.project-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 25px -5px var(--primary-light-bg),
    0 10px 10px -5px var(--primary-light-bg);
}

.project-image {
  width: 100%;
  height: 14rem; /* h-56 */
  object-fit: cover;
}

.project-info {
  padding: 1.5rem;
}
.project-info h3 {
  font-size: 1.5rem; /* 2xl */
  font-weight: 600;
  color: white;
  margin-bottom: 0.5rem;
}
.project-info p {
  color: var(--dark-subtle);
  margin-bottom: 1rem;
  min-height: 4.5rem; /* Ensure consistent card height */
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}
.project-tags span {
  background-color: var(--primary-light-bg);
  color: var(--primary);
  font-size: 0.75rem; /* xs */
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: 99px;
}

.project-links {
  display: flex;
  gap: 1rem;
}
.project-links a {
  color: var(--primary);
  font-weight: 500;
  text-decoration: none;
  transition: color 0.2s ease;
}
.project-links a:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}

/* --- Contact Section --- */
.contact-section {
  text-align: center;
}
.contact-section p {
  font-size: 1.125rem; /* lg */
  color: var(--dark-subtle);
  max-width: 36rem; /* xl */
  margin: 0 auto 2rem auto;
  line-height: 1.6;
}

/* === NEW STYLE for contact buttons === */
.contact-methods {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap; /* Allow buttons to wrap on small screens */
}
/* === END NEW STYLE === */

#copy-feedback {
  color: var(--primary);
  margin-top: 1rem;
  height: 1.5rem; /* h-6 */
  opacity: 0;
  transition: opacity 0.3s ease;
}

/* --- Footer --- */
.site-footer {
  border-top: 1px solid var(--dark-card);
  padding: 3rem 0;
}

.footer-content {
  text-align: center;
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 1.5rem;
}
.social-links a {
  color: var(--dark-subtle);
  transition: color 0.2s ease;
}
.social-links a:hover {
  color: var(--primary);
}
.social-links svg {
  display: block;
}

.footer-content p {
  color: var(--dark-subtle);
}

/* --- Responsive Styles (Tablet & Up) --- */
@media (min-width: 768px) {
  /* Show desktop nav */
  .nav-links {
    display: flex;
  }
  /* Hide mobile toggle */
  .nav-mobile-toggle {
    display: none;
  }

  /* --- NEW Hero Responsive Styles --- */
  .hero-section {
    flex-direction: row; /* Image and text side-by-side */
    justify-content: space-between;
    text-align: left;
  }

  /* === NEW: Sizing moved to .photo-link for responsiveness === */
  .photo-link {
    width: 300px;
    height: 300px;
    margin-bottom: 0;
    margin-right: 3rem; /* Space between image and text */
    flex-shrink: 0; /* Prevent image from shrinking */
  }

  .hero-image-wrapper {
    flex-shrink: 0; /* Prevent image from shrinking */
  }

  .hero-text-content {
    align-items: flex-start; /* Align text to the left */
  }
  /* --- END NEW Hero Styles --- */

  .hero-section h1 {
    font-size: 4.5rem; /* 7xl */
  }
  .hero-subtitle {
    font-size: 1.875rem; /* 3xl */
  }

  /* About */
  .about-content {
    flex-direction: row;
    align-items: flex-start; /* Align columns to the top */
  }

  /* Projects */
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* --- Responsive Styles (Laptop & Up) --- */
@media (min-width: 1024px) {
  .projects-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* --- Demo Modal Styles --- */
.demo-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.85); /* Use dark-bg with opacity */
  backdrop-filter: blur(4px);
  display: none; /* Hidden by default */
  justify-content: center;
  align-items: center;
  z-index: 1000;
  padding: 1rem;
}

.demo-modal-content {
  position: relative;
  background-color: var(--dark-card); /* Modal box color */
  border: 1px solid var(--dark-border);
  border-radius: 8px;
  width: 90%;
  height: 90%;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1),
    0 10px 10px -5px rgba(0, 0, 0, 0.04);
  overflow: hidden; /* To keep iframe rounded */
  /* === MODIFIED === */
  display: flex;
  flex-direction: column;
  /* === END MODIFICATION === */
}

.demo-modal-close-btn {
  position: absolute;
  top: 10px;
  right: 15px;
  background: rgba(15, 23, 42, 0.5); /* Semi-transparent bg */
  border: 1px solid var(--dark-border);
  color: var(--dark-text);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  font-size: 1.5rem; /* 24px */
  font-weight: 600;
  line-height: 30px; /* Center the 'x' */
  text-align: center;
  cursor: pointer;
  z-index: 1010;
  transition: all 0.2s ease;
}

.demo-modal-close-btn:hover {
  background: var(--dark-bg);
  color: white;
}

.demo-modal-iframe {
  width: 100%;
  /* === MODIFIED === */
  /* height: 100%; */ /* <-- Removed */
  flex-grow: 1; /* <-- Added: allows iframe to fill space */
  /* === END MODIFICATION === */
  border: 0;
  /* Add a white bg for iframe loading */
  background-color: #fff; /* Changed to solid white for PDFs */
}

/* === NEW CLASS === */
.resume-download-btn {
  margin: 1rem; /* Spacing for the button */
  flex-shrink: 0; /* Prevent button from shrinking */
  text-align: center;
  color: white !important; /* Ensure text is white */
}
/* === END NEW CLASS === */

/* Class to prevent body scroll when modal is open */
.modal-open {
  overflow: hidden;
}

/* --- Dustbin for dots --- */
#dustbin {
  position: fixed;
  bottom: 1.5rem; /* 24px */
  right: 1.5rem; /* 24px */
  z-index: 9998; /* Below dots */
  width: 50px;
  height: 50px;
  background-color: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  color: var(--dark-subtle);
  opacity: 0.5; /* Make it subtle */
  transition: all 0.3s ease;
  pointer-events: none; /* Don't let it block clicks */
}

#dustbin svg {
  width: 24px;
  height: 24px;
}

/* --- Style for the new cursor dots --- */
/* This is the corrected, single rule for the dots */
.cursor-dot {
  position: fixed;
  /* We use transform to position, so top/left are 0 */
  top: 0;
  left: 0;
  background-color: var(--primary);
  border-radius: 50%;
  /* This is crucial: makes the dots "invisible" to the mouse */
  pointer-events: none;
  z-index: 9999;
  /* This tells the browser to use the GPU for transforms */
  will-change: transform, opacity, width, height; /* MODIFIED: Added more properties */
}