html {
  scroll-behavior: smooth;
}

#skill-details {
  transition: all 0.4s ease;
}

/* ===== Flip Card Styles (FIXED) ===== */

.flip-card {
  perspective: 1000px;
  height: 100%;
}

.flip-inner {
  position: relative;
  width: 100%;
  height: 520px;
  transition: transform 0.7s;
  transform-style: preserve-3d;
}

.flip-card.flipped .flip-inner {
  transform: rotateY(180deg);
}

.flip-front,
.flip-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  top: 0;
  left: 0;
  border-radius: 1rem;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

@media (max-width: 640px) {
  .flip-inner {
    height: 500px;
  }
}

.flip-back {
  transform: rotateY(180deg);
  padding: 2rem;
  background: white;
  color: #111827; /* gray-900 text for light mode */
  overflow-y: auto;

  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

/* 🌙 Dark mode version */
.dark .flip-back {
  background: #1f2937; /* gray-800 */
  color: #f3f4f6;      /* gray-100 text */
}

/* Center the title */
.flip-back h3 {
  text-align: center;
  margin-bottom: 1rem;
}

/* Center the list block but keep text left-aligned */
.flip-back ul {
  max-width: 420px;
  margin: 0 auto;
  padding-left: 1.2rem; /* proper bullet spacing */
  text-align: left;     /* fixes uneven staircase alignment */
  list-style-position: outside;
}

.flip-back li {
  margin-bottom: 0.75rem;
}
.skill-card {
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.skill-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 25px rgba(0,0,0,0.08);
}
section {
  scroll-margin-top: 110px;
}

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 70px;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #ffffff;
  z-index: 1000;
}

/* 🌙 Dark mode navbar */
.dark .navbar {
  background: #111827; /* gray-900 */
}


.logo {
  font-weight: 600;
  font-size: 1.1rem;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  text-decoration: none;
  color: #222;
  font-weight: 500;
  position: relative;
}

.dark .nav-links a {
  color: #f3f4f6; /* light gray text for dark mode */
}


.nav-links a:hover {
  color: #4f46e5;
}

.burger {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.burger span {
  width: 24px;
  height: 3px;
  background: #222;
  margin: 4px 0;
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 70px;
    right: 1.5rem;

    flex-direction: column;
    gap: 1rem;

    background: #ffffff;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.12);
  }
  .dark .nav-links {
    background: #1f2937;
  }

  .nav-links.show {
    display: flex;
  }

  .burger {
    display: flex;
  }
}
main {
  padding-top: 90px;
}
.theme-btn {
  margin-left: 1rem;
  padding: 6px 10px;
  border-radius: 6px;
  background: #e5e7eb;
  border: none;
  cursor: pointer;
  font-size: 14px;
}

.dark .theme-btn {
  background: #374151;
  color: white;
}
#experience {
  scroll-margin-top: 140px;
}
.dark .burger span {
  background: #f3f4f6;
} 
.flip-front::-webkit-scrollbar,
.flip-back::-webkit-scrollbar {
  width: 6px;
}

.flip-front::-webkit-scrollbar-thumb,
.flip-back::-webkit-scrollbar-thumb {
  background: #9ca3af;
  border-radius: 10px;
}

.dark .flip-front::-webkit-scrollbar-thumb,
.dark .flip-back::-webkit-scrollbar-thumb {
  background: #4b5563;
}
/* ===== GLOBAL PAGE SCROLLBAR ===== */

/* Light Mode Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: #f1f5f9; /* light gray */
}

::-webkit-scrollbar-thumb {
  background: #94a3b8; /* slate */
  border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
  background: #64748b;
}

/* Dark Mode Scrollbar */
.dark ::-webkit-scrollbar-track {
  background: #0f172a; /* dark background */
}

.dark ::-webkit-scrollbar-thumb {
  background: #334155;
}

.dark ::-webkit-scrollbar-thumb:hover {
  background: #475569;
}

/* Firefox Support */
html {
  scrollbar-color: #94a3b8 #f1f5f9;
}

html.dark {
  scrollbar-color: #334155 #0f172a;
}