/* =============================================
   MODERN THEME SYSTEM - Light & Dark
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* =============================================
   THEME VARIABLES
   ============================================= */

:root,
[data-theme="light"] {
  --primary: #4f46e5;
  --primary-dark: #4338ca;
  --primary-light: #eef2ff;
  --secondary: #7c3aed;
  --accent: #ec4899;
  --gradient: linear-gradient(135deg, #4f46e5, #7c3aed, #ec4899);
  --gradient-primary: linear-gradient(135deg, #4f46e5, #7c3aed);
  --gradient-accent: linear-gradient(135deg, #7c3aed, #ec4899);

  --bg-body: #f8fafc;
  --bg-surface: #ffffff;
  --bg-muted: #f1f5f9;
  --bg-section-alt: #f1f5f9;
  --bg-nav-mobile: #ffffff;
  --bg-glass: rgba(238, 242, 255, 0.88);

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;

  --border: #e2e8f0;
  --border-light: #f1f5f9;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
  --shadow-colored: 0 10px 30px -5px rgba(79, 70, 229, 0.2);

  --toggle-bg: #e2e8f0;
  --toggle-icon: #f59e0b;

  --radius: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
  --primary: #818cf8;
  --primary-dark: #6366f1;
  --primary-light: rgba(129, 140, 248, 0.12);
  --secondary: #a78bfa;
  --accent: #f472b6;
  --gradient: linear-gradient(135deg, #818cf8, #a78bfa, #f472b6);
  --gradient-primary: linear-gradient(135deg, #6366f1, #818cf8);

  --bg-body: #0f172a;
  --bg-surface: #1e293b;
  --bg-muted: #334155;
  --bg-section-alt: #1e293b;
  --bg-nav-mobile: #1e293b;
  --bg-glass: rgba(15, 23, 42, 0.88);

  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --border: #334155;
  --border-light: #1e293b;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -4px rgba(0, 0, 0, 0.2);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.3), 0 8px 10px -6px rgba(0, 0, 0, 0.2);
  --shadow-colored: 0 10px 30px -5px rgba(129, 140, 248, 0.25);

  --toggle-bg: #334155;
  --toggle-icon: #818cf8;

  --selection-bg: rgba(129, 140, 248, 0.3);
}

/* =============================================
   THEME TOGGLE BUTTON
   ============================================= */

.theme-toggle {
  background: transparent !important;
  border: none !important;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 18px;
  transition: all var(--transition);
  position: relative;
  padding: 0;
  margin-left: 8px;
}

.theme-toggle:hover {
  background: rgba(255, 255, 255, 0.15) !important;
  transform: scale(1.1);
}

.navbar.shrink .theme-toggle:hover {
  background: var(--primary-light) !important;
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
  transition: all var(--transition);
  position: absolute;
  font-size: 18px;
  line-height: 1;
}

[data-theme="light"] .theme-toggle .icon-sun {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

[data-theme="light"] .theme-toggle .icon-moon {
  opacity: 0;
  transform: rotate(90deg) scale(0);
}

[data-theme="dark"] .theme-toggle .icon-sun {
  opacity: 0;
  transform: rotate(-90deg) scale(0);
}

[data-theme="dark"] .theme-toggle .icon-moon {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

.navbar.shrink .theme-toggle {
  color: var(--text-secondary) !important;
}

.theme-toggle i {
  color: white !important;
  font-size: 18px;
}

.navbar.shrink .theme-toggle i {
  color: var(--text-primary) !important;
}

/* =============================================
   BASE OVERRIDES
   ============================================= */

body {
  font-family: 'Inter', 'Open Sans', sans-serif !important;
  background: var(--bg-body) !important;
  color: var(--text-secondary) !important;
  -webkit-user-select: text !important;
  -moz-user-select: text !important;
  -ms-user-select: text !important;
  user-select: text !important;
  line-height: 1.7 !important;
  transition: background-color 0.3s ease, color 0.3s ease;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Inter', 'Raleway', sans-serif !important;
  color: var(--text-primary) !important;
  font-weight: 700 !important;
  letter-spacing: -0.02em;
}

/* =============================================
   NAVBAR
   ============================================= */

.navbar {
  padding: 16px 0 !important;
  transition: all var(--transition) !important;
}

.navbar-default {
  background: transparent !important;
}

.navbar-default .navbar-nav > li > a {
  color: rgba(255, 255, 255, 0.9) !important;
  font-weight: 500 !important;
  font-size: 13px !important;
  letter-spacing: 0.5px;
  padding: 8px 16px !important;
  border-radius: 8px;
  transition: all var(--transition) !important;
  text-transform: uppercase !important;
}

.navbar.shrink {
  padding: 8px 0 !important;
  background: var(--bg-glass) !important;
  backdrop-filter: blur(20px) !important;
  -webkit-backdrop-filter: blur(20px) !important;
  box-shadow: var(--shadow-md) !important;
  border-bottom: 1px solid var(--border) !important;
}

.navbar.shrink .navbar-nav > li > a {
  color: var(--text-secondary) !important;
}

.navbar.shrink .navbar-nav > li > a:hover,
.navbar.shrink .navbar-nav > li > a.active {
  color: var(--primary) !important;
  background: var(--primary-light) !important;
}

.top-nav-collapse {
  background: var(--bg-glass) !important;
  backdrop-filter: blur(20px) !important;
  padding: 8px 0 !important;
}

.navbar .nav-link::after {
  display: none !important;
}

.navbar .nav-link {
  position: relative !important;
}

.navbar.shrink .nav-link.active {
  color: var(--primary) !important;
}

.navbar-brand img {
  width: 100px !important;
  transition: all var(--transition) !important;
}

.navbar.shrink .navbar-brand img {
  width: 80px !important;
}

.navbar-nav {
  align-items: center !important;
}

/* Hamburger to X */
.navbar-toggler-icon,
.navbar-toggler-icon::before,
.navbar-toggler-icon::after {
  background: white !important;
}

.navbar.shrink .navbar-toggler-icon,
.navbar.shrink .navbar-toggler-icon::before,
.navbar.shrink .navbar-toggler-icon::after {
  background: var(--text-primary) !important;
}

/* =============================================
   HERO / BANNER SECTION
   ============================================= */

.banner {
  position: relative !important;
  overflow: hidden !important;
}

.banner::before {
  content: '' !important;
  position: absolute !important;
  inset: 0 !important;
  background: linear-gradient(
    135deg,
    rgba(15, 23, 42, 0.88) 0%,
    rgba(30, 27, 75, 0.80) 50%,
    rgba(79, 70, 229, 0.45) 100%
  ) !important;
  z-index: 1 !important;
}

.bg-color {
  background: transparent !important;
  position: relative !important;
  z-index: 2 !important;
}

.banner-info {
  padding-top: 200px !important;
}

.banner-center h1 {
  font-size: 52px !important;
  font-family: 'Inter', sans-serif !important;
  font-weight: 800 !important;
  letter-spacing: -1px !important;
  background: linear-gradient(135deg, #ffffff 0%, #c7d2fe 100%) !important;
  -webkit-background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
  background-clip: text !important;
  text-shadow: none !important;
}

.profile-image {
  width: 200px !important;
  height: 200px !important;
  object-fit: cover !important;
  border: 4px solid rgba(255, 255, 255, 0.2) !important;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3) !important;
  transition: all var(--transition-slow) !important;
}

.profile-image:hover {
  transform: scale(1.05) !important;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.4) !important;
  border-color: rgba(255, 255, 255, 0.4) !important;
}

.banner-info h3 {
  margin-top: 16px !important;
}

.banner-info h3 .typewrite {
  font-size: 22px !important;
  font-weight: 400 !important;
  color: rgba(255, 255, 255, 0.85) !important;
  letter-spacing: 0.5px !important;
}

.overlay-detail a i {
  color: rgba(255, 255, 255, 0.6) !important;
  font-size: 32px !important;
  transition: all var(--transition) !important;
}

.overlay-detail a:hover i {
  color: #fff !important;
  transform: scale(1.2) !important;
}

@keyframes arrowBounce {
  0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
  40% { transform: translateX(-50%) translateY(-12px); }
  60% { transform: translateX(-50%) translateY(-6px); }
}

/* =============================================
   SECTION TITLES
   ============================================= */

.section-padding {
  padding: 80px 0 !important;
}

.ser-title,
h2.ser-title,
.educationTitle h2,
.skillTitle h2,
.contact-title h2,
#edu h2,
#skills h2,
#projects h2,
#contact h2 {
  font-size: 32px !important;
  font-weight: 800 !important;
  text-transform: uppercase !important;
  letter-spacing: -0.5px !important;
  position: relative !important;
  display: inline-block !important;
  margin-bottom: 24px !important;
}

.ser-title::after,
#edu h2::after,
#skills h2::after,
#projects h2::after,
#contact h2::after {
  content: '' !important;
  position: absolute !important;
  bottom: -8px !important;
  left: 0 !important;
  width: 60px !important;
  height: 4px !important;
  background: var(--gradient) !important;
  border-radius: 4px !important;
  transition: width var(--transition) !important;
}

.ser-title:hover::after,
#edu h2:hover::after,
#skills h2:hover::after,
#projects h2:hover::after,
#contact h2:hover::after {
  width: 100px !important;
}

hr.botm-line,
hr.botm-line1,
hr.botm-line2,
hr.botm-line3 {
  display: none !important;
}

/* =============================================
   EDUCATION SECTION
   ============================================= */

#edu {
  background: var(--bg-surface) !important;
  transition: background-color 0.3s ease;
}

#edu p {
  color: var(--text-muted) !important;
  font-size: 14px !important;
  line-height: 1.7 !important;
}

.service-info {
  background: var(--bg-body) !important;
  padding: 28px !important;
  border-radius: var(--radius) !important;
  border: 1px solid var(--border) !important;
  transition: all var(--transition) !important;
  margin-bottom: 24px !important;
}

.service-info:hover {
  transform: translateY(-4px) !important;
  box-shadow: var(--shadow-lg) !important;
  border-color: var(--primary) !important;
}

.service-info .icon1 #graduation { color: var(--primary) !important; font-size: 36px !important; margin-bottom: 16px !important; display: inline-block !important; }
.service-info .icon4 #diploma { color: var(--secondary) !important; font-size: 36px !important; margin-bottom: 16px !important; display: inline-block !important; }
.service-info .icon { color: var(--accent) !important; }
.service-info .icon i { color: var(--accent) !important; font-size: 36px !important; margin-bottom: 16px !important; }
.service-info .icon2 #twelth { color: #14b8a6 !important; font-size: 36px !important; margin-bottom: 16px !important; display: inline-block !important; }
.service-info .icon3 #cert { color: #f59e0b !important; font-size: 36px !important; margin-bottom: 16px !important; display: inline-block !important; }

.service-info h4 {
  font-size: 18px !important;
  font-weight: 700 !important;
  margin-bottom: 8px !important;
}

.service-info p {
  font-size: 14px !important;
  color: var(--text-muted) !important;
  margin: 0 !important;
}

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

#skills {
  background: var(--bg-section-alt) !important;
  transition: background-color 0.3s ease;
}

section[style*="bg-banner1.jpg"] {
  background: linear-gradient(135deg, #1e1b4b 0%, #312e81 50%, #4f46e5 100%) !important;
  padding: 80px 0 !important;
}

section[style*="bg-banner1.jpg"] h3.white {
  font-size: 32px !important;
  font-weight: 800 !important;
  margin-bottom: 40px !important;
  background: linear-gradient(135deg, #fff 0%, #c7d2fe 100%) !important;
  -webkit-background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
  background-clip: text !important;
}

.service-skill {
  background: var(--bg-surface) !important;
  padding: 24px !important;
  border-radius: var(--radius) !important;
  border: 1px solid var(--border) !important;
  transition: all var(--transition) !important;
  text-align: center !important;
  margin-bottom: 24px !important;
}

.service-skill:hover {
  transform: translateY(-4px) !important;
  box-shadow: var(--shadow-lg) !important;
  border-color: transparent !important;
}

.service-skill h4 {
  font-size: 16px !important;
  font-weight: 700 !important;
  margin-top: 16px !important;
  margin-bottom: 8px !important;
}

.service-skill p {
  font-size: 13px !important;
  color: var(--text-muted) !important;
  margin: 0 !important;
}

.c100 {
  float: none !important;
  margin: 0 auto !important;
  background-color: var(--border) !important;
  font-size: 100px !important;
}

.c100 > span {
  color: var(--text-primary) !important;
  font-weight: 700 !important;
  font-size: 0.18em !important;
}

.c100:after {
  background-color: var(--bg-surface) !important;
}

.c100:hover > span {
  font-size: 0.28em !important;
}

.c100.chocolate .bar, .c100.chocolate .fill { border-color: var(--primary) !important; }
.c100.green .bar, .c100.green .fill { border-color: #10b981 !important; }
.c100.orange .bar, .c100.orange .fill { border-color: #f59e0b !important; }
.c100.blueviolet .bar, .c100.blueviolet .fill { border-color: var(--secondary) !important; }
.c100.gitblack .bar, .c100.gitblack .fill { border-color: #64748b !important; }
.c100.azure .bar, .c100.azure .fill { border-color: #06b6d4 !important; }
.c100.html .bar, .c100.html .fill { border-color: #f97316 !important; }
.c100.js .bar, .c100.js .fill { border-color: var(--accent) !important; }
.c100.css .bar, .c100.css .fill { border-color: var(--secondary) !important; }

/* =============================================
   PROJECTS SECTION
   ============================================= */

#projects {
  background: var(--bg-surface) !important;
  transition: background-color 0.3s ease;
}

.card {
  border: 1px solid var(--border) !important;
  border-radius: var(--radius) !important;
  border-bottom: 1px solid var(--border) !important;
  overflow: hidden !important;
  transition: all var(--transition) !important;
  height: auto !important;
  background: var(--bg-body) !important;
}

#projects .row {
  align-items: stretch !important;
}

.projects .card {
  height: 100% !important;
  margin-bottom: 0 !important;
  display: flex !important;
  flex-direction: column !important;
}

.projects .card .card-body {
  flex: 1 !important;
  display: flex !important;
  flex-direction: column !important;
}

.projects .card .card-text {
  flex: 1 !important;
}

.projects .card .card-title {
  margin-top: 0 !important;
}

.card:hover {
  transform: translateY(-8px) !important;
  box-shadow: var(--shadow-xl) !important;
  border-color: transparent !important;
}

.projects .card:hover .card-img {
  filter: brightness(1.05) contrast(1.05) !important;
}

.card-img {
  width: 100% !important;
  height: 200px !important;
  object-fit: cover !important;
  object-position: center !important;
  border-bottom: 1px solid var(--border) !important;
  display: block !important;
  background: var(--bg-muted) !important;
}

.card-body {
  padding: 20px !important;
}

.card-title {
  font-size: 16px !important;
  font-weight: 700 !important;
  color: var(--text-primary) !important;
  transition: color var(--transition) !important;
}

.card:hover .card-title {
  color: var(--primary) !important;
}

.card-text {
  font-size: 13px !important;
  color: var(--text-muted) !important;
  line-height: 1.6 !important;
}

.view-more-card {
  background: var(--gradient-accent) !important;
  border: none !important;
  border-radius: var(--radius) !important;
  min-height: 250px !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  transition: all var(--transition) !important;
}

.view-more-card:hover {
  background: linear-gradient(315deg, var(--primary), var(--secondary)) !important;
  transform: translateY(-8px) !important;
  box-shadow: var(--shadow-colored) !important;
}

.view-more-card .card-body {
  padding: 40px 20px !important;
}

.view-more-card .card-title {
  font-size: 22px !important;
  font-weight: 700 !important;
  color: white !important;
}

.view-more-card .card-title i {
  font-size: 28px !important;
  margin-right: 10px !important;
}

.view-more-card .card-text {
  color: rgba(255, 255, 255, 0.8) !important;
  font-size: 14px !important;
}

.card-space {
  margin-bottom: 24px !important;
}

/* =============================================
   CONTACT SECTION
   ============================================= */

#contact {
  background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #312e81 100%) !important;
  padding: 80px 0 !important;
}

#contact h2.white {
  color: white !important;
}

#contact h2.white::after {
  background: linear-gradient(135deg, #818cf8, #c084fc, #f472b6) !important;
}

#contact h4 {
  color: rgba(255, 255, 255, 0.9) !important;
  font-size: 16px !important;
  font-weight: 600 !important;
  margin-bottom: 12px !important;
}

#contact address a,
#contact a.white {
  color: rgba(255, 255, 255, 0.7) !important;
  font-size: 14px !important;
  transition: color var(--transition) !important;
}

#contact address a:hover,
#contact a.white:hover {
  color: white !important;
}

.btn-primary {
  background: var(--gradient-primary) !important;
  border: none !important;
  padding: 12px 28px !important;
  font-size: 14px !important;
  font-weight: 600 !important;
  border-radius: var(--radius) !important;
  transition: all var(--transition) !important;
  box-shadow: 0 4px 15px rgba(79, 70, 229, 0.3) !important;
}

.btn-primary:hover {
  transform: translateY(-3px) !important;
  box-shadow: 0 8px 25px rgba(79, 70, 229, 0.4) !important;
}

.btn-primary::after {
  display: none !important;
}

/* =============================================
   FOOTER
   ============================================= */

#footer {
  background: #0a0a1a !important;
  padding: 40px 0 !important;
  border-top: 1px solid rgba(255, 255, 255, 0.05) !important;
}

#footer .social-icons {
  background: rgba(255, 255, 255, 0.08) !important;
  width: 44px !important;
  height: 44px !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  border-radius: 50% !important;
  transition: all var(--transition) !important;
}

#footer .social-icons:hover {
  background: var(--primary) !important;
  transform: translateY(-4px) !important;
  box-shadow: 0 8px 25px rgba(79, 70, 229, 0.3) !important;
}

#footer .social-icons i {
  font-size: 18px !important;
  color: rgba(255, 255, 255, 0.7) !important;
  transition: color var(--transition) !important;
}

#footer .social-icons:hover i {
  color: white !important;
}

#footer .designed-text {
  color: rgba(255, 255, 255, 0.4) !important;
  font-size: 13px !important;
}

.social-icons:hover i.fa-facebook,
.social-icons:hover i.fa-linkedin,
.social-icons:hover i.fa-github,
.social-icons:hover i.fa-threads,
.social-icons:hover i.fa-instagram {
  color: white !important;
}

/* =============================================
   SCROLLBAR
   ============================================= */

::-webkit-scrollbar {
  width: 8px !important;
}

::-webkit-scrollbar-track {
  background: var(--bg-body) !important;
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--primary), var(--secondary)) !important;
  border-radius: 4px !important;
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--primary-dark), #6d28d9) !important;
}

/* =============================================
   TEXT SELECTION
   ============================================= */

::selection {
  background: var(--selection-bg, rgba(79, 70, 229, 0.15)) !important;
  color: var(--text-primary) !important;
}

::-moz-selection {
  background: var(--selection-bg, rgba(79, 70, 229, 0.15)) !important;
  color: var(--text-primary) !important;
}

/* =============================================
   ANIMATIONS
   ============================================= */

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-24px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInLeft {
  from { opacity: 0; transform: translateX(-24px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(24px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes zoomIn {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

#footer {
  opacity: 0;
  animation: footerFadeIn 0.8s ease forwards;
  animation-delay: 0.3s;
}

@keyframes footerFadeIn {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

/* =============================================
   RESPONSIVE
   ============================================= */

@media (max-width: 768px) {
  .banner-info { padding-top: 160px !important; }
  .banner-center h1 { font-size: 36px !important; }
  .banner-info h3 .typewrite { font-size: 18px !important; }
  .profile-image { width: 160px !important; height: 160px !important; }
  .section-padding { padding: 60px 0 !important; }
}

@media (max-width: 540px) {
  .navbar-collapse {
    background: var(--bg-nav-mobile) !important;
    backdrop-filter: none !important;
    border-radius: var(--radius) !important;
    box-shadow: var(--shadow-lg) !important;
    padding: 12px !important;
    margin-top: 8px !important;
  }

  .navbar.shrink .navbar-collapse {
    background: var(--bg-nav-mobile) !important;
  }

  .navbar-default .navbar-nav > li > a {
    color: var(--text-secondary) !important;
    text-align: center !important;
    padding: 10px 16px !important;
  }

  .navbar-default .navbar-nav > li > a:hover,
  .navbar-default .navbar-nav > li > a.active {
    color: var(--primary) !important;
    background: var(--primary-light) !important;
  }

  .navbar .nav-link.active {
    color: var(--primary) !important;
    border-left: 3px solid var(--primary) !important;
    background: var(--primary-light) !important;
  }
}