/* ============================================================
   NAGARAJU KUMAR — Premium Developer Portfolio
   Pure CSS3 — Modern, Dark, Glassmorphism, Ultra-Smooth
   ============================================================ */

/* ===================== CSS CUSTOM PROPERTIES ===================== */
:root {
  /* Primary palette */
  --clr-bg:        #0a0a0f;
  --clr-bg-2:      #12121a;
  --clr-bg-3:      #1a1a2e;
  --clr-surface:   rgba(255, 255, 255, 0.03);
  --clr-surface-2: rgba(255, 255, 255, 0.06);
  --clr-glass:     rgba(255, 255, 255, 0.05);
  --clr-glass-border: rgba(255, 255, 255, 0.08);

  /* Accent gradient */
  --clr-accent-1:  #6c63ff;
  --clr-accent-2:  #a855f7;
  --clr-accent-3:  #06b6d4;
  --gradient-primary: linear-gradient(135deg, var(--clr-accent-1), var(--clr-accent-2));
  --gradient-accent:  linear-gradient(135deg, var(--clr-accent-2), var(--clr-accent-3));
  --gradient-text:    linear-gradient(135deg, var(--clr-accent-1), var(--clr-accent-3));

  /* Text */
  --clr-text:       #e4e4e7;
  --clr-text-muted: #a1a1aa;
  --clr-text-dim:   #71717a;
  --clr-white:      #ffffff;

  /* Typography */
  --ff-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --ff-heading: 'Poppins', var(--ff-primary);

  /* Spacing */
  --section-padding: 120px 0;
  --container-max:   1200px;

  /* Border radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Transitions */
  --transition-fast:   0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.4);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 40px rgba(108, 99, 255, 0.15);
}

/* ===================== RESET & BASE ===================== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--ff-primary);
  background: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.7;
  overflow-x: hidden;
  position: relative;
}

::selection {
  background: var(--clr-accent-1);
  color: var(--clr-white);
}

::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--clr-bg);
}
::-webkit-scrollbar-thumb {
  background: var(--clr-accent-1);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--clr-accent-2);
}

a {
  text-decoration: none;
  color: inherit;
}

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

button {
  border: none;
  cursor: pointer;
  font-family: var(--ff-primary);
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===================== PRELOADER ===================== */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: var(--clr-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}
.preloader.hidden {
  opacity: 0;
  visibility: hidden;
}
.loader {
  position: relative;
  width: 120px;
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.loader-ring {
  position: absolute;
  border: 2px solid transparent;
  border-radius: 50%;
  animation: loaderSpin 1.5s linear infinite;
}
.loader-ring:nth-child(1) {
  width: 100%;
  height: 100%;
  border-top-color: var(--clr-accent-1);
  animation-duration: 1.5s;
}
.loader-ring:nth-child(2) {
  width: 80%;
  height: 80%;
  border-right-color: var(--clr-accent-2);
  animation-duration: 2s;
  animation-direction: reverse;
}
.loader-ring:nth-child(3) {
  width: 60%;
  height: 60%;
  border-bottom-color: var(--clr-accent-3);
  animation-duration: 1s;
}
.loader-text {
  font-family: var(--ff-heading);
  font-weight: 700;
  font-size: 1.2rem;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

@keyframes loaderSpin {
  to { transform: rotate(360deg); }
}

/* ===================== CURSOR GLOW ===================== */
.cursor-glow {
  position: fixed;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(108, 99, 255, 0.06) 0%, transparent 70%);
  pointer-events: none;
  z-index: 1;
  transform: translate(-50%, -50%);
  transition: transform 0.05s linear;
  will-change: transform;
}

/* ===================== NAVIGATION ===================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: all var(--transition-smooth);
}
.navbar.scrolled {
  padding: 12px 0;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--clr-glass-border);
  box-shadow: var(--shadow-sm);
}
.nav-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--ff-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--clr-white);
  letter-spacing: -0.5px;
  transition: var(--transition-fast);
}
.nav-logo:hover {
  transform: scale(1.05);
}
.logo-bracket {
  color: var(--clr-accent-1);
}
.nav-menu {
  display: flex;
  list-style: none;
  gap: 8px;
}
.nav-link {
  position: relative;
  padding: 8px 16px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--clr-text-muted);
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}
.nav-link:hover,
.nav-link.active {
  color: var(--clr-white);
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 1px;
  transition: var(--transition-smooth);
  transform: translateX(-50%);
}
.nav-link:hover::after,
.nav-link.active::after {
  width: 60%;
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  padding: 8px;
}
.hamburger-line {
  width: 24px;
  height: 2px;
  background: var(--clr-text);
  border-radius: 2px;
  transition: var(--transition-smooth);
}
.nav-toggle.active .hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.nav-toggle.active .hamburger-line:nth-child(2) {
  opacity: 0;
}
.nav-toggle.active .hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ===================== HERO SECTION ===================== */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.gradient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.4;
  animation: orbFloat 20s ease-in-out infinite;
}
.orb-1 {
  width: 600px;
  height: 600px;
  background: var(--clr-accent-1);
  top: -20%;
  right: -10%;
  animation-delay: 0s;
}
.orb-2 {
  width: 500px;
  height: 500px;
  background: var(--clr-accent-2);
  bottom: -20%;
  left: -10%;
  animation-delay: -7s;
}
.orb-3 {
  width: 400px;
  height: 400px;
  background: var(--clr-accent-3);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: -14s;
  opacity: 0.2;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25%      { transform: translate(30px, -40px) scale(1.05); }
  50%      { transform: translate(-20px, 20px) scale(0.95); }
  75%      { transform: translate(15px, 30px) scale(1.02); }
}

.particles {
  position: absolute;
  inset: 0;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  padding: 0 24px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: var(--clr-glass);
  border: 1px solid var(--clr-glass-border);
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--clr-accent-3);
  margin-bottom: 32px;
  backdrop-filter: blur(10px);
}
.badge-dot {
  width: 8px;
  height: 8px;
  background: #22c55e;
  border-radius: 50%;
  animation: dotPulse 2s ease-in-out infinite;
}
@keyframes dotPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.5; transform: scale(0.8); }
}

.hero-name {
  font-family: var(--ff-heading);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  color: var(--clr-white);
  line-height: 1.1;
  margin-bottom: 16px;
  letter-spacing: -2px;
}
.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-title-wrapper {
  margin-bottom: 24px;
}
.hero-title {
  font-family: var(--ff-heading);
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  font-weight: 500;
  color: var(--clr-text-muted);
  min-height: 2rem;
}
.typed-cursor {
  animation: blinkCursor 0.7s step-end infinite;
  color: var(--clr-accent-1);
  font-weight: 300;
}
@keyframes blinkCursor {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0; }
}

.hero-description {
  font-size: 1.05rem;
  color: var(--clr-text-muted);
  max-width: 640px;
  margin: 0 auto 40px;
  line-height: 1.8;
}

/* Buttons */
.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-smooth);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.1), transparent);
  opacity: 0;
  transition: opacity var(--transition-fast);
}
.btn:hover::before {
  opacity: 1;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--clr-white);
  box-shadow: 0 4px 24px rgba(108, 99, 255, 0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(108, 99, 255, 0.45);
}

.btn-secondary {
  background: var(--clr-surface-2);
  color: var(--clr-white);
  border: 1px solid var(--clr-glass-border);
  backdrop-filter: blur(10px);
}
.btn-secondary:hover {
  transform: translateY(-2px);
  background: var(--clr-surface);
  border-color: var(--clr-accent-1);
}

.btn-outline {
  background: transparent;
  color: var(--clr-white);
  border: 1px solid var(--clr-glass-border);
}
.btn-outline:hover {
  transform: translateY(-2px);
  border-color: var(--clr-accent-1);
  box-shadow: var(--shadow-glow);
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1rem;
}

/* Stats */
.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  padding: 24px 32px;
  background: var(--clr-glass);
  border: 1px solid var(--clr-glass-border);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(20px);
}
.stat-item {
  text-align: center;
}
.stat-number {
  font-family: var(--ff-heading);
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-plus {
  font-family: var(--ff-heading);
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label {
  display: block;
  font-size: 0.8rem;
  color: var(--clr-text-dim);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--clr-glass-border);
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--clr-text-dim);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  animation: scrollBounce 2.5s ease-in-out infinite;
}
.mouse {
  width: 24px;
  height: 38px;
  border: 2px solid var(--clr-text-dim);
  border-radius: 12px;
  position: relative;
}
.mouse-wheel {
  width: 3px;
  height: 8px;
  background: var(--clr-accent-1);
  border-radius: 2px;
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  animation: mouseScroll 2s ease-in-out infinite;
}
@keyframes mouseScroll {
  0%   { opacity: 1; transform: translateX(-50%) translateY(0); }
  100% { opacity: 0; transform: translateX(-50%) translateY(12px); }
}
@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%      { transform: translateX(-50%) translateY(8px); }
}

/* ===================== SECTION COMMON ===================== */
.section {
  padding: var(--section-padding);
  position: relative;
}
.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-tag {
  font-family: 'Courier New', monospace;
  font-size: 0.85rem;
  color: var(--clr-accent-1);
  opacity: 0.6;
  display: block;
}
.section-title {
  font-family: var(--ff-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--clr-white);
  margin: 8px 0 16px;
  letter-spacing: -1px;
}
.section-line {
  width: 60px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: 2px;
  margin: 0 auto;
}
.section-close {
  text-align: center;
  margin-top: 64px;
}

/* ===================== ABOUT SECTION ===================== */
.about-section {
  background: var(--clr-bg-2);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 64px;
  align-items: center;
}
.about-image-wrapper {
  position: relative;
}
.about-image-container {
  position: relative;
  width: 320px;
  height: 380px;
  margin: 0 auto;
}
.about-image-bg {
  position: absolute;
  inset: -8px;
  background: var(--gradient-primary);
  border-radius: var(--radius-xl);
  opacity: 0.2;
  transform: rotate(3deg);
}
.about-image {
  position: relative;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-xl);
  z-index: 1;
  transition: transform var(--transition-smooth);
}
.about-image-container:hover .about-image {
  transform: scale(1.05);
}
.about-image-border {
  position: absolute;
  inset: 0;
  border: 2px solid var(--clr-glass-border);
  border-radius: var(--radius-xl);
  z-index: 2;
  pointer-events: none;
}

.about-float-cards {
  position: absolute;
  inset: 0;
}
.float-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  background: rgba(10, 10, 15, 0.8);
  border: 1px solid var(--clr-glass-border);
  border-radius: var(--radius-md);
  backdrop-filter: blur(20px);
  color: var(--clr-white);
  font-size: 0.85rem;
  font-weight: 500;
  z-index: 3;
  animation: floatCard 6s ease-in-out infinite;
}
.float-card svg {
  color: var(--clr-accent-1);
  flex-shrink: 0;
}
.float-card-1 {
  top: 20px;
  right: -20px;
}
.float-card-2 {
  bottom: 40px;
  left: -20px;
  animation-delay: -3s;
}
@keyframes floatCard {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-10px); }
}

.about-content {
  padding-right: 24px;
}
.about-subtitle {
  font-family: var(--ff-heading);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--clr-white);
  margin-bottom: 24px;
  line-height: 1.3;
}
.about-text {
  color: var(--clr-text-muted);
  margin-bottom: 16px;
  font-size: 0.98rem;
}
.about-text strong {
  color: var(--clr-white);
  font-weight: 600;
}
.about-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 28px;
}
.highlight-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: var(--clr-glass);
  border: 1px solid var(--clr-glass-border);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  color: var(--clr-text);
  transition: var(--transition-fast);
}
.highlight-item:hover {
  border-color: var(--clr-accent-1);
  background: var(--clr-surface-2);
}
.highlight-item svg {
  color: var(--clr-accent-1);
  flex-shrink: 0;
}

/* ===================== SKILLS SECTION ===================== */
.skills-section {
  background: var(--clr-bg);
}
.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.skill-category {
  background: var(--clr-glass);
  border: 1px solid var(--clr-glass-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition-smooth);
  backdrop-filter: blur(10px);
}
.skill-category:hover {
  border-color: var(--clr-accent-1);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}
.skill-category-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}
.skill-icon-wrapper {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  flex-shrink: 0;
}
.skill-icon-wrapper svg {
  color: var(--clr-white);
}
.skill-category-header h3 {
  font-family: var(--ff-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--clr-white);
}

.skill-items {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.skill-item {
  display: grid;
  grid-template-columns: auto 1fr 1fr;
  gap: 12px;
  align-items: center;
}
.skill-item-dot {
  width: 8px;
  height: 8px;
  background: var(--clr-accent-1);
  border-radius: 50%;
}
.skill-item span {
  font-size: 0.92rem;
  color: var(--clr-text);
  font-weight: 500;
}
.skill-bar {
  height: 6px;
  background: var(--clr-surface-2);
  border-radius: 3px;
  overflow: hidden;
}
.skill-bar-fill {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 3px;
  width: 0;
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===================== PROJECTS SECTION ===================== */
.projects-section {
  background: var(--clr-bg-2);
}
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 28px;
}
.project-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-smooth);
}
.project-card:hover {
  transform: translateY(-8px);
}
.project-card-inner {
  background: var(--clr-glass);
  border: 1px solid var(--clr-glass-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-smooth);
}
.project-card:hover .project-card-inner {
  border-color: var(--clr-accent-1);
  box-shadow: var(--shadow-glow);
}

.project-image {
  position: relative;
  height: 200px;
  overflow: hidden;
}
.project-image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--clr-bg-3), var(--clr-bg));
}
.project-image-placeholder svg {
  color: var(--clr-accent-1);
  opacity: 0.5;
}
.project-img-crypto svg { color: var(--clr-accent-2); }
.project-img-algo svg   { color: var(--clr-accent-3); }
.project-img-iot svg     { color: #22c55e; }
.project-img-shopping svg { color: #f59e0b; }

.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(108, 99, 255, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-smooth);
}
.project-card:hover .project-overlay {
  opacity: 1;
}
.project-overlay-text {
  color: var(--clr-white);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 10px 24px;
  border: 2px solid var(--clr-white);
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

.project-content {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.project-tag {
  display: inline-block;
  padding: 4px 12px;
  background: var(--clr-surface-2);
  border-radius: 50px;
  font-size: 0.75rem;
  color: var(--clr-accent-1);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
  width: fit-content;
}
.project-title {
  font-family: var(--ff-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--clr-white);
  margin-bottom: 10px;
  line-height: 1.3;
}
.project-description {
  font-size: 0.9rem;
  color: var(--clr-text-muted);
  margin-bottom: 16px;
  line-height: 1.6;
  flex: 1;
}
.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}
.tech-tag {
  padding: 4px 12px;
  background: var(--clr-surface);
  border: 1px solid var(--clr-glass-border);
  border-radius: 50px;
  font-size: 0.78rem;
  color: var(--clr-text-muted);
  transition: var(--transition-fast);
}
.project-card:hover .tech-tag {
  border-color: rgba(108, 99, 255, 0.3);
  color: var(--clr-text);
}
.project-links {
  display: flex;
  gap: 12px;
  margin-top: auto;
}
.project-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-glass-border);
  border-radius: var(--radius-sm);
  font-size: 0.83rem;
  font-weight: 500;
  color: var(--clr-text);
  transition: all var(--transition-fast);
}
.project-link:hover {
  border-color: var(--clr-accent-1);
  color: var(--clr-white);
  transform: translateY(-2px);
}
.project-link-primary {
  background: var(--gradient-primary);
  color: var(--clr-white);
  border: none;
}
.project-link-primary:hover {
  box-shadow: 0 4px 16px rgba(108, 99, 255, 0.3);
}
.project-link-disabled {
  opacity: 0.6;
  cursor: default;
}
.project-link-disabled:hover {
  transform: none;
  border-color: var(--clr-glass-border);
  color: var(--clr-text);
}

/* ===================== RESUME SECTION ===================== */
.resume-section {
  background: var(--clr-bg);
}
.resume-card {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
  padding: 64px 48px;
  background: var(--clr-glass);
  border: 1px solid var(--clr-glass-border);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(20px);
  transition: all var(--transition-smooth);
}
.resume-card:hover {
  border-color: var(--clr-accent-1);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}
.resume-icon {
  margin-bottom: 24px;
}
.resume-icon svg {
  color: var(--clr-accent-1);
  margin: 0 auto;
}
.resume-card-title {
  font-family: var(--ff-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--clr-white);
  margin-bottom: 12px;
}
.resume-card-text {
  color: var(--clr-text-muted);
  margin-bottom: 32px;
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ===================== CONTACT SECTION ===================== */
.contact-section {
  background: var(--clr-bg-2);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.contact-subtitle {
  font-family: var(--ff-heading);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--clr-white);
  margin-bottom: 16px;
}
.contact-text {
  color: var(--clr-text-muted);
  margin-bottom: 36px;
  line-height: 1.8;
}
.contact-links {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.contact-link-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--clr-glass);
  border: 1px solid var(--clr-glass-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-smooth);
}
.contact-link-item:hover {
  border-color: var(--clr-accent-1);
  transform: translateX(8px);
  box-shadow: var(--shadow-glow);
}
.contact-link-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}
.contact-link-icon svg {
  color: var(--clr-white);
}
.contact-link-text {
  display: flex;
  flex-direction: column;
}
.contact-link-label {
  font-size: 0.8rem;
  color: var(--clr-text-dim);
  text-transform: uppercase;
  letter-spacing: 1px;
}
.contact-link-value {
  font-size: 0.95rem;
  color: var(--clr-text);
  font-weight: 500;
}

/* Contact Form */
.contact-form-wrapper {
  background: var(--clr-glass);
  border: 1px solid var(--clr-glass-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  backdrop-filter: blur(10px);
}
.form-group {
  margin-bottom: 24px;
  position: relative;
}
.form-label {
  display: block;
  font-size: 0.85rem;
  color: var(--clr-text-muted);
  margin-bottom: 8px;
  font-weight: 500;
}
.form-input {
  width: 100%;
  padding: 14px 16px;
  background: var(--clr-surface);
  border: 1px solid var(--clr-glass-border);
  border-radius: var(--radius-sm);
  color: var(--clr-white);
  font-family: var(--ff-primary);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  outline: none;
}
.form-input::placeholder {
  color: var(--clr-text-dim);
}
.form-input:focus {
  border-color: var(--clr-accent-1);
  box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.15);
}
.form-textarea {
  resize: vertical;
  min-height: 120px;
}
.form-line {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 1px;
  transition: width var(--transition-smooth);
}
.form-input:focus ~ .form-line {
  width: 100%;
}
.btn-submit {
  width: 100%;
  justify-content: center;
  margin-top: 8px;
}

/* ===================== FOOTER ===================== */
.footer {
  padding: 48px 0;
  background: var(--clr-bg);
  border-top: 1px solid var(--clr-glass-border);
}
.footer-content {
  text-align: center;
}
.footer-logo {
  font-family: var(--ff-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--clr-white);
  margin-bottom: 12px;
}
.footer-text {
  color: var(--clr-text-muted);
  font-size: 0.9rem;
  margin-bottom: 20px;
}
.footer-text strong {
  color: var(--clr-white);
}
.footer-socials {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 20px;
}
.footer-social {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--clr-glass);
  border: 1px solid var(--clr-glass-border);
  border-radius: 50%;
  color: var(--clr-text-muted);
  transition: all var(--transition-fast);
}
.footer-social:hover {
  border-color: var(--clr-accent-1);
  color: var(--clr-white);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}
.footer-social svg {
  color: inherit;
}
.footer-copyright {
  font-size: 0.8rem;
  color: var(--clr-text-dim);
}

/* ===================== SCROLL ANIMATIONS ===================== */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}
.animate-on-scroll[data-animation="fade-up"] {
  transform: translateY(40px);
}
.animate-on-scroll[data-animation="fade-down"] {
  transform: translateY(-40px);
}
.animate-on-scroll[data-animation="fade-left"] {
  transform: translateX(40px);
}
.animate-on-scroll[data-animation="fade-right"] {
  transform: translateX(-40px);
}
.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0) translateX(0);
}

/* ===================== RESPONSIVE ===================== */
@media (max-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .about-content {
    padding-right: 0;
  }
  .skills-grid {
    grid-template-columns: 1fr;
  }
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .projects-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 80px 0;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 8px;
    transition: right var(--transition-smooth);
    border-left: 1px solid var(--clr-glass-border);
  }
  .nav-menu.active {
    right: 0;
  }
  .nav-toggle {
    display: flex;
    z-index: 1001;
  }
  .nav-link {
    font-size: 1.1rem;
    padding: 12px 24px;
  }

  .hero-name {
    letter-spacing: -1px;
  }
  .hero-stats {
    gap: 20px;
    padding: 20px 24px;
  }
  .stat-number {
    font-size: 1.5rem;
  }
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  .btn {
    width: 100%;
    max-width: 280px;
    justify-content: center;
  }

  .about-image-container {
    width: 260px;
    height: 320px;
  }
  .about-highlights {
    grid-template-columns: 1fr;
  }
  .float-card-1 {
    right: 0;
  }
  .float-card-2 {
    left: 0;
  }

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

  .resume-card {
    padding: 40px 24px;
  }

  .contact-form-wrapper {
    padding: 28px;
  }

  .cursor-glow {
    display: none;
  }
}

@media (max-width: 480px) {
  .hero-stats {
    flex-direction: column;
    gap: 16px;
  }
  .stat-divider {
    width: 40px;
    height: 1px;
  }
  .about-subtitle {
    font-size: 1.3rem;
  }
  .skill-item {
    grid-template-columns: auto 1fr;
  }
  .skill-bar {
    display: none;
  }
}

/* ===================== PARTICLE STYLES (generated by JS) ===================== */
.particle {
  position: absolute;
  width: 2px;
  height: 2px;
  background: var(--clr-accent-1);
  border-radius: 50%;
  opacity: 0;
  animation: particleFade 4s ease-in-out infinite;
}

@keyframes particleFade {
  0%, 100% { opacity: 0; transform: translateY(0); }
  50%      { opacity: 0.6; transform: translateY(-30px); }
}