:root {
  --color-bg-primary: #0a0a0a;
  --color-bg-secondary: #1a1a1a;
  --color-bg-tertiary: #2a2a2a;
  --color-bg-glass: rgba(255, 255, 255, 0.05);
  --color-bg-glass-hover: rgba(255, 255, 255, 0.08);

  --color-text-primary: #ffffff;
  --color-text-secondary: #b0b0b0;
  --color-text-tertiary: #808080;

  --color-border: rgba(255, 255, 255, 0.1);
  --color-border-light: rgba(255, 255, 255, 0.15);

  --color-accent: #ffffff;
  --color-accent-muted: #d0d0d0;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 32px rgba(0, 0, 0, 0.5);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  --transition-fast: 0.15s ease-out;
  --transition-base: 0.25s ease-out;
  --transition-slow: 0.35s ease-out;

  --glass-blur: 10px;
}

body.light-mode {
  --color-bg-primary: #f8f8f8;
  --color-bg-secondary: #ffffff;
  --color-bg-tertiary: #f0f0f0;
  --color-bg-glass: rgba(0, 0, 0, 0.03);
  --color-bg-glass-hover: rgba(0, 0, 0, 0.06);

  --color-text-primary: #0a0a0a;
  --color-text-secondary: #505050;
  --color-text-tertiary: #808080;

  --color-border: rgba(0, 0, 0, 0.08);
  --color-border-light: rgba(0, 0, 0, 0.12);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background var(--transition-base), color var(--transition-base);
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: "Poppins", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text-primary);
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.5px;
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.3px;
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.5rem);
  font-weight: 700;
}

p {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-fast);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5rem 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.section__title {
  text-align: center;
  margin-bottom: 3rem;
  position: relative;
}

.section__title::after {
  content: "";
  display: block;
  width: 60px;
  height: 2px;
  background: var(--color-accent);
  margin: 1rem auto 0;
  border-radius: 1px;
}

/* Optimized animations using transform and opacity for better performance */
@keyframes fadeOut {
  to {
    opacity: 0;
    transform: scale(0.95);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Improved particle animation with better performance and white color */
@keyframes float-particle {
  0% {
    opacity: 0;
    transform: translateY(0) translateX(0) scale(0.5);
  }
  10% {
    opacity: 1;
    transform: translateY(-10vh) translateX(calc(var(--tx) * 0.1)) scale(1);
  }
  90% {
    opacity: 0.8;
    transform: translateY(-90vh) translateX(calc(var(--tx) * 0.9)) scale(0.8);
  }
  100% {
    opacity: 0;
    transform: translateY(-100vh) translateX(var(--tx)) scale(0.3);
  }
}

@keyframes scaleIn {
  from {
    transform: scale(0.5);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

@keyframes progressBar {
  0% {
    width: 0%;
  }
  100% {
    width: 100%;
  }
}

/* Added scroll animation class with better performance using will-change */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: opacity, transform;
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

/* Added reveal text animations */
@keyframes revealText {
  0% {
    opacity: 0;
    transform: translateY(40px);
    filter: blur(10px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}

@keyframes revealTextFromLeft {
  0% {
    opacity: 0;
    transform: translateX(-50px);
    filter: blur(8px);
  }
  100% {
    opacity: 1;
    transform: translateX(0);
    filter: blur(0);
  }
}

@keyframes revealTextFromRight {
  0% {
    opacity: 0;
    transform: translateX(50px);
    filter: blur(8px);
  }
  100% {
    opacity: 1;
    transform: translateX(0);
    filter: blur(0);
  }
}

@keyframes revealTextScale {
  0% {
    opacity: 0;
    transform: scale(0.8);
    filter: blur(10px);
  }
  100% {
    opacity: 1;
    transform: scale(1);
    filter: blur(0);
  }
}

@keyframes letterReveal {
  0% {
    opacity: 0;
    transform: translateY(100%);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Reveal text base styles */
.reveal-text {
  opacity: 0;
  will-change: opacity, transform, filter;
}

.reveal-text.revealed {
  animation: revealText 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.reveal-text.revealed-left {
  animation: revealTextFromLeft 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.reveal-text.revealed-right {
  animation: revealTextFromRight 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.reveal-text.revealed-scale {
  animation: revealTextScale 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Word-by-word reveal */
.reveal-words .word {
  display: inline-block;
  overflow: hidden;
}

.reveal-words .word-inner {
  display: inline-block;
  transform: translateY(100%);
  opacity: 0;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.6s ease;
}

.reveal-words.revealed .word-inner {
  transform: translateY(0);
  opacity: 1;
}

/* Character-by-character reveal */
.reveal-chars .char {
  display: inline-block;
  opacity: 0;
  transform: translateY(20px);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s ease;
}

.reveal-chars.revealed .char {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger effect for children */
.stagger-children > * {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.stagger-children.revealed > *:nth-child(1) {
  transition-delay: 0ms;
  opacity: 1;
  transform: translateY(0);
}
.stagger-children.revealed > *:nth-child(2) {
  transition-delay: 100ms;
  opacity: 1;
  transform: translateY(0);
}
.stagger-children.revealed > *:nth-child(3) {
  transition-delay: 200ms;
  opacity: 1;
  transform: translateY(0);
}
.stagger-children.revealed > *:nth-child(4) {
  transition-delay: 300ms;
  opacity: 1;
  transform: translateY(0);
}
.stagger-children.revealed > *:nth-child(5) {
  transition-delay: 400ms;
  opacity: 1;
  transform: translateY(0);
}

/* Smooth scroll indicator */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-muted));
  z-index: 9999;
  transition: width 0.1s linear;
}

.loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.loader__background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color-bg-primary);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.loader__content {
  position: relative;
  z-index: 10000;
  text-align: center;
}

.loader__logo-container {
  margin-bottom: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.loader__logo {
  height: 100px;
  width: auto;
  max-width: 200px;
  animation: scaleIn 0.8s ease-out forwards, bounce 1.2s ease-in-out 0.8s infinite;
}

@keyframes bounce {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-15px);
  }
}

.loader__bar {
  width: 200px;
  height: 3px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  overflow: hidden;
}

.loader__progress {
  height: 100%;
  background: linear-gradient(90deg, #ffffff, rgba(255, 255, 255, 0.5));
  animation: progressBar 3.5s ease-in-out forwards;
}

/* Skeleton loader styles */
.skeleton-loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color-bg-primary);
  z-index: 9999;
  display: flex;
  flex-direction: column;
}

.skeleton-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background: rgba(10, 10, 10, 0.85);
  border-bottom: 1px solid var(--color-border);
}

.skeleton-logo {
  width: 120px;
  height: 36px;
  background: linear-gradient(
    90deg,
    var(--color-bg-tertiary) 25%,
    var(--color-bg-secondary) 50%,
    var(--color-bg-tertiary) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

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

.skeleton-link {
  width: 60px;
  height: 16px;
  background: linear-gradient(
    90deg,
    var(--color-bg-tertiary) 25%,
    var(--color-bg-secondary) 50%,
    var(--color-bg-tertiary) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

.skeleton-hero {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.skeleton-hero-box {
  max-width: 600px;
  width: 100%;
  padding: 3rem;
  background: var(--color-bg-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.skeleton-title {
  width: 80%;
  height: 48px;
  background: linear-gradient(
    90deg,
    var(--color-bg-tertiary) 25%,
    var(--color-bg-secondary) 50%,
    var(--color-bg-tertiary) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

.skeleton-subtitle {
  width: 60%;
  height: 24px;
  background: linear-gradient(
    90deg,
    var(--color-bg-tertiary) 25%,
    var(--color-bg-secondary) 50%,
    var(--color-bg-tertiary) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

.skeleton-buttons {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.skeleton-button {
  width: 140px;
  height: 48px;
  background: linear-gradient(
    90deg,
    var(--color-bg-tertiary) 25%,
    var(--color-bg-secondary) 50%,
    var(--color-bg-tertiary) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-full);
}

@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

/* Toast notifications */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  animation: slideInRight 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  max-width: 360px;
}

.toast.removing {
  animation: slideOutRight 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideOutRight {
  from {
    opacity: 1;
    transform: translateX(0);
  }
  to {
    opacity: 0;
    transform: translateX(100%);
  }
}

.toast--success {
  border-left: 3px solid #22c55e;
}

.toast--error {
  border-left: 3px solid #ef4444;
}

.toast--warning {
  border-left: 3px solid #f59e0b;
}

.toast__icon {
  flex-shrink: 0;
}

.toast--success .toast__icon {
  color: #22c55e;
}

.toast--error .toast__icon {
  color: #ef4444;
}

.toast--warning .toast__icon {
  color: #f59e0b;
}

.toast__content {
  flex: 1;
}

.toast__title {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-text-primary);
  margin-bottom: 0.25rem;
}

.toast__message {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.4;
}

/* Form validation styles */
.form-error {
  font-size: 0.8rem;
  color: #ef4444;
  opacity: 0;
  transform: translateY(-5px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  display: block;
  min-height: 1.2rem;
}

.form-error.visible {
  opacity: 1;
  transform: translateY(0);
}

.form-group input.invalid,
.form-group textarea.invalid {
  border-color: #ef4444;
  background: rgba(239, 68, 68, 0.05);
}

.form-group input.valid,
.form-group textarea.valid {
  border-color: #22c55e;
  background: rgba(34, 197, 94, 0.05);
}

/* Learning section styles */
.learning-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.learning-card {
  background: var(--color-bg-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.learning-card:hover {
  background: var(--color-bg-glass-hover);
  border-color: var(--color-border-light);
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.learning-card__icon {
  width: 56px;
  height: 56px;
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  color: var(--color-text-secondary);
}

.learning-card__title {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.learning-card__description {
  font-size: 0.9rem;
  margin-bottom: 1rem;
  line-height: 1.6;
}

.learning-card__progress {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.progress-bar {
  width: 100%;
  height: 6px;
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar__fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-muted));
  border-radius: var(--radius-full);
  transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
}

.progress-label {
  font-size: 0.8rem;
  color: var(--color-text-tertiary);
}

/* Optimized particles container for better performance */
.particles {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
  background: transparent;
  overflow: hidden;
}

.particle {
  position: absolute;
  background: rgba(255, 255, 255, 0.7);
  border-radius: 50%;
  will-change: transform, opacity;
  box-shadow: 0 0 4px rgba(255, 255, 255, 0.3);
}

/* Compact navigation with better spacing and transitions */
.nav {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  z-index: 1000;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav.scrolled {
  padding: 0.5rem 0;
  background: rgba(10, 10, 10, 0.95);
}

.nav .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav__logo-img {
  height: 36px;
  width: auto;
  max-width: 150px;
  transition: all var(--transition-base);
}

.nav__logo-img:hover {
  opacity: 0.8;
  transform: scale(1.05);
}

/* Improved navigation links with smooth underline animation */
.nav__links {
  display: flex;
  gap: 2rem;
  list-style: none;
  align-items: center;
}

.nav__links a {
  color: var(--color-text-secondary);
  font-weight: 500;
  font-size: 0.9rem;
  position: relative;
  transition: color 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 0.5rem 0;
}

.nav__links a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  transform: translateX(-50%);
}

.nav__links a:hover {
  color: var(--color-accent);
}

.nav__links a:hover::after {
  width: 100%;
}

.nav__mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text-primary);
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-base);
  border-radius: var(--radius-sm);
}

.nav__mobile-toggle:hover {
  background: var(--color-bg-glass);
}

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8rem 1.5rem 4rem;
}

.hero__content {
  max-width: 800px;
  text-align: center;
  background: var(--color-bg-glass);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  padding: 3rem 2.5rem;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  animation: fadeInUp 0.8s var(--transition-base) both;
}

.hero__title {
  margin-bottom: 1rem;
  color: var(--color-text-primary);
}

.hero__subtitle {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  margin-bottom: 2rem;
}

.hero__buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Improved button animations with better transitions */
.btn {
  padding: 0.875rem 1.75rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  border: 1px solid transparent;
  will-change: transform;
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-bg-primary);
  box-shadow: 0 4px 12px rgba(255, 255, 255, 0.2);
  border: 1px solid var(--color-accent);
}

.btn--primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(255, 255, 255, 0.35);
  background: var(--color-accent-muted);
}

.btn--primary:active {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(255, 255, 255, 0.2);
}

.btn--secondary {
  background: transparent;
  color: var(--color-text-primary);
  border: 1.5px solid var(--color-border-light);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.btn--secondary:hover {
  background: var(--color-bg-glass-hover);
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.btn--secondary:active {
  transform: translateY(-1px);
}

.about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.about__text p {
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

.about__visual {
  width: 100%;
  height: 400px;
  background: var(--color-bg-glass);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform;
}

.about__visual:hover {
  background: var(--color-bg-glass-hover);
  transform: translateY(-6px) scale(1.02);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
}

.about__visual svg {
  color: var(--color-text-secondary);
  stroke-width: 1.5;
}

.skills {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1.5rem;
}

/* Improved skill cards with better hover effects */
.skill {
  background: var(--color-bg-glass);
  border: 1px solid var(--color-border);
  padding: 2rem 1.5rem;
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform;
}

.skill:hover {
  background: var(--color-bg-glass-hover);
  border-color: var(--color-border-light);
  transform: translateY(-8px) scale(1.03);
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.2);
}

.skill__icon {
  margin-bottom: 1rem;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 60px;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.skill:hover .skill__icon {
  transform: scale(1.15) rotate(5deg);
}

.skill__icon img {
  width: 60px;
  height: 60px;
  object-fit: contain;
}

.skill__name {
  font-weight: 600;
  font-size: 1.05rem;
  margin-bottom: 0.75rem;
  color: var(--color-text-primary);
}

.skill__level {
  display: flex;
  gap: 0.4rem;
  justify-content: center;
}

.skill__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-text-tertiary);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.skill__dot--active {
  background: var(--color-accent);
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

.skill:hover .skill__dot--active {
  transform: scale(1.2);
}

.projects {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

/* Improved project cards with smoother animations */
.project {
  background: var(--color-bg-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  will-change: transform;
}

.project:hover {
  background: var(--color-bg-glass-hover);
  border-color: var(--color-border-light);
  transform: translateY(-10px) scale(1.02);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
}

.project__image {
  width: 100%;
  height: 200px;
  background: linear-gradient(135deg, var(--color-bg-tertiary) 0%, var(--color-bg-secondary) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--color-border);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.project:hover .project__image {
  background: linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-bg-tertiary) 100%);
}

.project__image svg {
  color: var(--color-text-secondary);
  stroke-width: 1.5;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.project:hover .project__image svg {
  transform: scale(1.1) rotate(5deg);
}

.project__content {
  padding: 1.5rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.project__title {
  margin-bottom: 0.75rem;
  color: var(--color-text-primary);
}

.project__description {
  margin-bottom: 1rem;
  line-height: 1.6;
  flex-grow: 1;
}

.project__tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.tag {
  background: var(--color-bg-tertiary);
  color: var(--color-text-secondary);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  border: 1px solid var(--color-border);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.tag:hover {
  background: var(--color-bg-secondary);
  color: var(--color-accent);
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.project__links {
  display: flex;
  gap: 1rem;
  margin-top: auto;
}

.project__link {
  color: var(--color-text-secondary);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.project__link:hover {
  color: var(--color-accent);
  transform: translateX(4px);
}

.contact {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.contact__form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact__info h3 {
  margin-bottom: 0.5rem;
}

.contact__note {
  margin-top: 1rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text-primary);
  font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
  padding: 0.875rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-bg-glass);
  color: var(--color-text-primary);
  font-family: "Inter", sans-serif;
  font-size: 1rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-tertiary);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  background: var(--color-bg-glass-hover);
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

.form-group textarea {
  resize: vertical;
  min-height: 150px;
}

.social-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Improved social links with better hover animations */
.social-link {
  width: 50px;
  height: 50px;
  background: var(--color-bg-glass);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform;
}

.social-link:hover {
  background: var(--color-bg-glass-hover);
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-6px) scale(1.1);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.social-link svg {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  stroke-width: 1.5;
}

.social-link:hover svg {
  transform: rotate(10deg);
}

.social-link img {
  width: 24px;
  height: 24px;
  filter: brightness(0.9);
  transition: filter 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.social-link:hover img {
  filter: brightness(1.3);
}

.footer {
  background: rgba(10, 10, 10, 0.6);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  padding: 2rem 1.5rem;
  text-align: center;
  color: var(--color-text-secondary);
  border-top: 1px solid var(--color-border);
  margin-top: 5rem;
}

.footer p {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.footer svg {
  color: #e74c3c;
  transition: color var(--transition-fast);
}

/* Improved mobile navigation with smooth animations */
@media (max-width: 768px) {
  .nav__links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(var(--glass-blur));
    flex-direction: column;
    padding: 1.5rem;
    gap: 0.5rem;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid var(--color-border);
    animation: slideDown 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }

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

  .nav__links.active {
    display: flex;
  }

  .nav__links li {
    width: 100%;
  }

  .nav__links a {
    display: block;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .nav__links a:hover {
    background: var(--color-bg-glass);
    transform: translateX(8px);
  }

  .nav__links a::after {
    display: none;
  }

  .nav__mobile-toggle {
    display: flex !important;
  }

  .about,
  .contact {
    grid-template-columns: 1fr;
  }

  .skills {
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  }

  .projects {
    grid-template-columns: 1fr;
  }

  .hero__buttons {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .section {
    padding: 3rem 1.5rem;
  }

  .hero {
    padding: 6rem 1.5rem 3rem;
  }

  .skeleton-nav-links {
    display: none;
  }

  .toast-container {
    left: 1rem;
    right: 1rem;
    bottom: 1rem;
  }

  .toast {
    max-width: 100%;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 1.75rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  .hero__content {
    padding: 2rem 1.5rem;
  }

  .nav__links {
    padding: 1.5rem;
  }

  .skills {
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  }

  .contact {
    gap: 2rem;
  }

  .project__links {
    flex-direction: column;
    gap: 0.5rem;
  }
}