/* ============================================================
   PORTFOLIO - Yashwantha C K
   Modern Dark/Light Theme Portfolio CSS
   ============================================================ */

/* ==================== CSS VARIABLES ==================== */
:root {
  /* Colors - Dark Theme (default) */
  --bg-primary: #0a0e1a;
  --bg-secondary: #0f1629;
  --bg-card: rgba(255, 255, 255, 0.04);
  --bg-card-hover: rgba(255, 255, 255, 0.08);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(99, 102, 241, 0.5);

  --text-primary: #f0f4ff;
  --text-secondary: #8892b0;
  --text-muted: #4a5568;

  --accent-primary: #6366f1;
  --accent-secondary: #8b5cf6;
  --accent-tertiary: #06b6d4;
  --accent-gradient: linear-gradient(135deg, #6366f1, #8b5cf6, #06b6d4);
  --accent-gradient-hover: linear-gradient(135deg, #4f46e5, #7c3aed, #0891b2);

  --glass-bg: rgba(15, 22, 41, 0.6);
  --glass-border: rgba(99, 102, 241, 0.15);
  --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.15);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);

  /* Typography */
  --font-primary: 'Inter', sans-serif;
  --font-mono: 'Fira Code', monospace;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 5rem;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 30px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-med: 0.35s ease;
  --transition-slow: 0.6s ease;

  /* Navbar */
  --navbar-height: 70px;
}

/* ==================== LIGHT THEME ==================== */
[data-theme="light"] {
  --bg-primary: #f0f4ff;
  --bg-secondary: #e8eeff;
  --bg-card: rgba(255, 255, 255, 0.7);
  --bg-card-hover: rgba(255, 255, 255, 0.9);
  --border-color: rgba(99, 102, 241, 0.15);
  --border-hover: rgba(99, 102, 241, 0.4);

  --text-primary: #0d1b3e;
  --text-secondary: #4a5568;
  --text-muted: #7a8394;

  --glass-bg: rgba(240, 244, 255, 0.7);
  --glass-border: rgba(99, 102, 241, 0.2);
  --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.08);
  --shadow-card: 0 8px 32px rgba(99, 102, 241, 0.1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--navbar-height);
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color var(--transition-med), color var(--transition-med);
}

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

ul {
  list-style: none;
}

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

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

/* ==================== SCROLL PROGRESS ==================== */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: var(--accent-gradient);
  z-index: 9999;
  transition: width 0.1s linear;
  border-radius: 0 2px 2px 0;
}

/* ==================== UTILITY CLASSES ==================== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.gradient-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.glass-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transition: all var(--transition-med);
}

.glass-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-glow), var(--shadow-card);
  transform: translateY(-4px);
}

/* ==================== BUTTONS ==================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.8rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  transition: all var(--transition-med);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.08);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn:hover::before {
  opacity: 1;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #fff;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.6);
}

.btn-outline {
  background: transparent;
  color: var(--accent-primary);
  border: 2px solid var(--accent-primary);
}

.btn-outline:hover {
  background: var(--accent-primary);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
}

.btn-ghost {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-ghost:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.55rem 1.2rem;
  font-size: 0.82rem;
}

.btn-full {
  width: 100%;
  justify-content: center;
}

/* ==================== SECTION STYLES ==================== */
.section {
  padding: var(--spacing-2xl) 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.section-tag {
  display: inline-block;
  padding: 0.3rem 1rem;
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.25);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-primary);
  margin-bottom: var(--spacing-sm);
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1rem;
}

.section-line {
  width: 60px;
  height: 4px;
  background: var(--accent-gradient);
  border-radius: var(--radius-full);
  margin: 0 auto;
}

/* ==================== SCROLL REVEAL ANIMATION ==================== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.animate-fadeInLeft {
  animation: fadeInLeft 0.9s ease forwards;
}

.animate-fadeInRight {
  animation: fadeInRight 0.9s ease 0.2s forwards;
  opacity: 0;
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* ==================== NAVBAR ==================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--navbar-height);
  z-index: 1000;
  background: transparent;
  transition: all var(--transition-med);
}

.navbar.scrolled {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 1.6rem;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.logo-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo-dot {
  color: var(--accent-tertiary);
  font-size: 2rem;
  line-height: 1;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  position: relative;
  padding: 0.4rem 0.8rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  right: 50%;
  height: 2px;
  background: var(--accent-gradient);
  border-radius: var(--radius-full);
  transition: all var(--transition-med);
  opacity: 0;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
}

.nav-link:hover::after,
.nav-link.active::after {
  left: 10%;
  right: 10%;
  opacity: 1;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}

.theme-toggle:hover {
  background: var(--accent-primary);
  color: #fff;
  border-color: var(--accent-primary);
  transform: rotate(15deg);
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 30px;
  padding: 5px;
}

.nav-hamburger span {
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-med);
}

.nav-hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-hamburger.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.nav-hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ==================== HERO SECTION ==================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--navbar-height);
}

/* Background Animation */
.hero-bg-animation {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.bg-circle {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  animation: floatCircle 8s ease-in-out infinite;
  opacity: 0.35;
}

.circle-1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, #6366f1, transparent);
  top: -10%;
  right: -5%;
  animation-delay: 0s;
}

.circle-2 {
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, #8b5cf6, transparent);
  bottom: 10%;
  left: -5%;
  animation-delay: 3s;
}

.circle-3 {
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, #06b6d4, transparent);
  top: 50%;
  left: 40%;
  animation-delay: 5s;
}

@keyframes floatCircle {

  0%,
  100% {
    transform: translateY(0) scale(1);
  }

  33% {
    transform: translateY(-30px) scale(1.05);
  }

  66% {
    transform: translateY(20px) scale(0.95);
  }
}

/* Hero Container */
.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-lg);
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: var(--spacing-2xl);
  width: 100%;
  position: relative;
  z-index: 1;
}

/* Hero Content */
.hero-greeting {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: var(--spacing-sm);
  font-weight: 500;
}

.greeting-wave {
  font-size: 1.3rem;
  animation: wave 2s ease-in-out infinite;
  display: inline-block;
}

@keyframes wave {

  0%,
  100% {
    transform: rotate(0deg);
  }

  20% {
    transform: rotate(-15deg);
  }

  40% {
    transform: rotate(15deg);
  }

  60% {
    transform: rotate(-10deg);
  }

  80% {
    transform: rotate(5deg);
  }
}

.hero-name {
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: var(--spacing-sm);
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--accent-tertiary);
  font-family: var(--font-mono);
  margin-bottom: var(--spacing-md);
  min-height: 2rem;
  display: flex;
  align-items: center;
  gap: 2px;
}

.typing-cursor {
  display: inline-block;
  animation: blink 1s step-end infinite;
  color: var(--accent-primary);
  font-weight: 300;
}

@keyframes blink {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0;
  }
}

.hero-tagline {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 500px;
  margin-bottom: var(--spacing-lg);
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.hero-socials {
  display: flex;
  gap: var(--spacing-sm);
}

.social-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 1rem;
  transition: all var(--transition-med);
}

.social-icon:hover {
  background: var(--accent-gradient);
  color: #fff;
  border-color: transparent;
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(99, 102, 241, 0.4);
}

/* Hero Image */
.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.image-wrapper {
  position: relative;
  width: 340px;
  height: 340px;
}

.image-ring {
  position: absolute;
  border-radius: 50%;
  border: 2px solid transparent;
  animation: spinRing linear infinite;
}

.ring-1 {
  inset: -20px;
  border-top-color: var(--accent-primary);
  border-right-color: var(--accent-primary);
  animation-duration: 8s;
  opacity: 0.5;
}

.ring-2 {
  inset: -12px;
  border-bottom-color: var(--accent-secondary);
  border-left-color: var(--accent-secondary);
  animation-duration: 12s;
  animation-direction: reverse;
  opacity: 0.4;
}

.ring-3 {
  inset: -36px;
  border-top-color: var(--accent-tertiary);
  border-right-color: transparent;
  border-bottom-color: transparent;
  border-left-color: var(--accent-tertiary);
  animation-duration: 16s;
  opacity: 0.25;
}

@keyframes spinRing {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

.profile-image-container {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  overflow: hidden;
  border: 4px solid var(--glass-border);
  box-shadow: 0 0 60px rgba(99, 102, 241, 0.3), 0 20px 40px rgba(0, 0, 0, 0.3);
  position: relative;
  z-index: 1;
}

.profile-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

/* Floating Badges */
.floating-badge {
  position: absolute;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
  border-radius: var(--radius-md);
  padding: 0.5rem 0.9rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  z-index: 2;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
  animation: badgeFloat 3s ease-in-out infinite;
}

.badge-aws {
  top: 10%;
  right: -20px;
  animation-delay: 0s;
  color: #FF9900;
  border-color: rgba(255, 153, 0, 0.3);
}

.badge-linux {
  bottom: 20%;
  right: -25px;
  animation-delay: 1s;
  color: #FCC624;
  border-color: rgba(252, 198, 36, 0.3);
}

.badge-code {
  bottom: 5%;
  left: -15px;
  animation-delay: 2s;
  color: var(--accent-tertiary);
  border-color: rgba(6, 182, 212, 0.3);
}

@keyframes badgeFloat {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-8px);
  }
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  animation: scrollBounce 2s ease-in-out infinite;
  z-index: 1;
}

.scroll-arrow {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid var(--glass-border);
  background: var(--glass-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}

.scroll-indicator:hover .scroll-arrow {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

@keyframes scrollBounce {

  0%,
  100% {
    transform: translateX(-50%) translateY(0);
  }

  50% {
    transform: translateX(-50%) translateY(-10px);
  }
}

/* ==================== ABOUT SECTION ==================== */
.about {
  background: var(--bg-secondary);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--spacing-2xl);
  align-items: start;
}

.about-grid--no-image {
  grid-template-columns: 1fr;
  max-width: 760px;
  margin: 0 auto;
}

.about-image-wrapper {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-card), var(--shadow-glow);
}

.about-image {
  width: 100%;
  height: 420px;
  object-fit: cover;
  object-position: top;
  display: block;
  transition: transform var(--transition-slow);
}

.about-image-wrapper:hover .about-image {
  transform: scale(1.04);
}

.about-image-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--spacing-md);
  background: linear-gradient(to top, rgba(10, 14, 26, 0.9) 0%, transparent 100%);
  display: flex;
  justify-content: center;
}

.overlay-stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 2.5rem;
  font-weight: 900;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.about-card {
  padding: var(--spacing-xl);
}

.about-name {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 0.25rem;
}

.about-role {
  color: var(--accent-primary);
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: var(--spacing-md);
  font-family: var(--font-mono);
}

.about-text {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-sm);
  line-height: 1.8;
}

.about-text strong {
  color: var(--text-primary);
  font-weight: 600;
}

.about-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-sm);
  margin: var(--spacing-lg) 0;
}

.info-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.info-item>i {
  font-size: 1rem;
  color: var(--accent-primary);
  width: 20px;
  text-align: center;
}

.info-item div {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.info-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.info-value {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
}

.about-actions {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  margin-top: var(--spacing-md);
}

/* ==================== SKILLS SECTION ==================== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--spacing-md);
}

.skill-card {
  padding: var(--spacing-lg);
  position: relative;
  overflow: hidden;
}

.skill-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent-gradient);
  opacity: 0;
  transition: opacity var(--transition-med);
}

.skill-card:hover::before {
  opacity: 1;
}

.skill-icon-wrapper {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: var(--spacing-md);
  transition: transform var(--transition-med);
}

.skill-card:hover .skill-icon-wrapper {
  transform: scale(1.1) rotate(-5deg);
}

.skill-aws {
  background: rgba(255, 153, 0, 0.1);
  color: #FF9900;
}

.skill-linux {
  background: rgba(252, 198, 36, 0.1);
  color: #FCC624;
}

.skill-html {
  background: rgba(228, 77, 38, 0.1);
  color: #E44D26;
}

.skill-js {
  background: rgba(247, 223, 30, 0.1);
  color: #F7DF1E;
}

.skill-sql {
  background: rgba(0, 117, 143, 0.1);
  color: #00758F;
}

.skill-git {
  background: rgba(240, 80, 50, 0.1);
  color: #F05032;
}

.skill-name {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.skill-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
}

.skill-bar-wrapper {
  margin-bottom: var(--spacing-md);
}

.skill-bar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.skill-percent {
  font-weight: 700;
  color: var(--text-primary);
}

.skill-bar-track {
  height: 6px;
  background: var(--bg-card);
  border-radius: var(--radius-full);
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.skill-bar-fill {
  height: 100%;
  width: 0;
  background: var(--bar-color, var(--accent-primary));
  border-radius: var(--radius-full);
  transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 0 8px var(--bar-color, var(--accent-primary));
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.skill-tags span {
  padding: 0.2rem 0.65rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.skill-card:hover .skill-tags span {
  border-color: var(--border-hover);
  color: var(--text-primary);
}

/* ==================== PROJECTS SECTION ==================== */
.projects {
  background: var(--bg-secondary);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--spacing-lg);
}

.project-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 0 0 var(--spacing-lg) 0;
}

.project-image-wrapper {
  position: relative;
}

.project-image {
  height: 200px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.project-img-portfolio {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
}

.project-img-aws {
  background: linear-gradient(135deg, #1a130a 0%, #2d1f0a 50%, #4a2f05 100%);
}

.project-img-linux {
  background: linear-gradient(135deg, #0a1a0a 0%, #0d2d0d 50%, #153015 100%);
}

.project-img-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255, 255, 255, 0.3);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  z-index: 1;
}

.project-img-content i {
  font-size: 3.5rem;
  opacity: 0.5;
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 14, 26, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-med);
  backdrop-filter: blur(4px);
}

.project-image-wrapper:hover .project-overlay {
  opacity: 1;
}

.project-overlay-links {
  display: flex;
  gap: var(--spacing-sm);
}

.overlay-link {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-full);
  background: var(--accent-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transform: translateY(20px);
  opacity: 0;
  transition: all var(--transition-med);
}

.project-image-wrapper:hover .overlay-link {
  transform: translateY(0);
  opacity: 1;
}

.project-image-wrapper:hover .overlay-link:nth-child(2) {
  transition-delay: 0.1s;
}

.overlay-link:hover {
  background: var(--accent-secondary);
  transform: scale(1.1);
}

.project-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 0.25rem 0.75rem;
  background: var(--accent-gradient);
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 700;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  z-index: 2;
}

.project-info {
  padding: var(--spacing-md) var(--spacing-lg) 0;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.project-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
}

.project-desc {
  font-size: 0.87rem;
  color: var(--text-secondary);
  line-height: 1.7;
  flex: 1;
  margin-bottom: var(--spacing-md);
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: var(--spacing-md);
}

.project-tech span {
  padding: 0.25rem 0.7rem;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.project-links {
  display: flex;
  gap: 0.75rem;
}

/* ==================== SERVICES SECTION ==================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.service-card {
  padding: var(--spacing-xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.service-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--accent-gradient);
  opacity: 0;
  transition: opacity var(--transition-med);
  z-index: -1;
  border-radius: var(--radius-lg);
}

.service-card:hover::after {
  opacity: 0.05;
}

.service-icon {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin: 0 auto var(--spacing-md);
  transition: transform var(--transition-med);
}

.service-card:hover .service-icon {
  transform: scale(1.1) translateY(-5px);
}

.service-web {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(139, 92, 246, 0.2));
  color: var(--accent-primary);
}

.service-cloud {
  background: linear-gradient(135deg, rgba(255, 153, 0, 0.2), rgba(255, 200, 0, 0.1));
  color: #FF9900;
}

.service-linux {
  background: linear-gradient(135deg, rgba(252, 198, 36, 0.2), rgba(255, 220, 0, 0.1));
  color: #FCC624;
}

.service-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.service-desc {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.7;
  margin-bottom: var(--spacing-md);
}

.service-features {
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: var(--spacing-md);
}

.service-features li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.87rem;
  color: var(--text-secondary);
}

.service-features li i {
  color: var(--accent-primary);
  font-size: 0.75rem;
}

.service-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--accent-primary);
  font-weight: 600;
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}

.service-cta:hover {
  gap: 0.8rem;
  color: var(--accent-secondary);
}

/* ==================== CONTACT SECTION ==================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--spacing-2xl);
  align-items: start;
}

.contact-info-card {
  padding: var(--spacing-xl);
}

.contact-info-card h3 {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.contact-info-card>p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: var(--spacing-lg);
}

.contact-items {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.contact-item-icon {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-md);
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
  font-size: 1rem;
  flex-shrink: 0;
}

.contact-item-label {
  display: block;
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.1rem;
}

.contact-item-value {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

.contact-socials {
  display: flex;
  gap: 0.75rem;
}

.contact-social-link {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-full);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 1rem;
  transition: all var(--transition-med);
}

.contact-social-link:hover {
  background: var(--accent-gradient);
  color: #fff;
  border-color: transparent;
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(99, 102, 241, 0.4);
}

/* Contact Form */
.contact-form {
  padding: var(--spacing-xl);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  letter-spacing: 0.02em;
}

.input-wrapper {
  position: relative;
}

.input-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
  pointer-events: none;
}

.textarea-icon {
  top: 1rem;
  transform: none;
}

.input-wrapper input,
.input-wrapper textarea {
  width: 100%;
  padding: 0.85rem 1rem 0.85rem 2.8rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-primary);
  font-size: 0.9rem;
  transition: all var(--transition-fast);
  resize: vertical;
}

.input-wrapper input::placeholder,
.input-wrapper textarea::placeholder {
  color: var(--text-muted);
}

.input-wrapper input:focus,
.input-wrapper textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
  background: var(--bg-card-hover);
}

.input-wrapper input:focus~.input-icon,
.input-wrapper textarea:focus~.input-icon,
.input-wrapper:focus-within .input-icon {
  color: var(--accent-primary);
}

.textarea-wrapper textarea {
  min-height: 140px;
}

.field-error {
  display: block;
  color: #ff4d6d;
  font-size: 0.78rem;
  margin-top: 0.3rem;
  min-height: 1rem;
}

.form-success {
  margin-top: var(--spacing-md);
  padding: 1rem;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: var(--radius-md);
  color: #10b981;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
}

/* ==================== FOOTER ==================== */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-2xl) var(--spacing-lg) var(--spacing-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-xl);
}

.footer-logo {
  font-size: 2rem;
  font-weight: 900;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
  margin-bottom: 0.75rem;
}

.footer-logo span {
  color: var(--accent-tertiary);
  -webkit-text-fill-color: var(--accent-tertiary);
}

.footer-tagline {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.7;
}

.footer-links h4,
.footer-connect h4 {
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: var(--spacing-md);
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-links a {
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.footer-links a:hover {
  color: var(--accent-primary);
  gap: 0.6rem;
}

.footer-links a::before {
  content: '→';
  font-size: 0.8rem;
  opacity: 0;
  transition: opacity var(--transition-fast);
  color: var(--accent-primary);
}

.footer-links a:hover::before {
  opacity: 1;
}

.footer-socials {
  display: flex;
  gap: 0.6rem;
  margin-bottom: var(--spacing-md);
}

.footer-socials a {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: all var(--transition-med);
}

.footer-socials a:hover {
  background: var(--accent-gradient);
  color: #fff;
  border-color: transparent;
  transform: translateY(-3px);
}

.footer-resume-btn {
  font-size: 0.8rem;
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-copy {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.back-to-top {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--accent-gradient);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: all var(--transition-med);
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(99, 102, 241, 0.6);
}

/* ==================== PARTICLES ==================== */
.particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.particle {
  position: absolute;
  border-radius: 50%;
  opacity: 0;
  animation: particleFloat linear infinite;
}

@keyframes particleFloat {
  0% {
    opacity: 0;
    transform: translateY(100vh) scale(0);
  }

  10% {
    opacity: 0.6;
  }

  90% {
    opacity: 0.3;
  }

  100% {
    opacity: 0;
    transform: translateY(-100px) scale(1);
  }
}

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

/* Tablet */
@media (max-width: 1024px) {
  .hero-container {
    gap: var(--spacing-xl);
  }

  .image-wrapper {
    width: 280px;
    height: 280px;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }

  .about-image {
    height: 340px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }

  .footer-content {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

/* Mobile Large */
@media (max-width: 768px) {
  :root {
    --spacing-2xl: 3.5rem;
  }

  /* Navbar Mobile */
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-color);
    flex-direction: column;
    justify-content: center;
    gap: 0.5rem;
    padding: var(--spacing-2xl) var(--spacing-xl);
    z-index: 999;
    transition: right var(--transition-med);
    backdrop-filter: blur(20px);
  }

  .nav-menu.open {
    right: 0;
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.3);
  }

  .nav-link {
    font-size: 1.1rem;
    padding: 0.6rem 1rem;
  }

  .nav-hamburger {
    display: flex;
    z-index: 1000;
  }

  /* Hero Mobile */
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    padding-top: var(--spacing-2xl);
  }

  .hero-content {
    order: 2;
  }

  .hero-image {
    order: 1;
  }

  .image-wrapper {
    width: 220px;
    height: 220px;
    margin: 0 auto;
  }

  .hero-greeting,
  .hero-buttons,
  .hero-socials {
    justify-content: center;
  }

  .hero-tagline {
    margin: 0 auto var(--spacing-lg);
  }

  .badge-aws {
    right: -5px;
  }

  .badge-linux {
    right: -5px;
  }

  .badge-code {
    left: -5px;
  }

  /* Skills */
  .skills-grid {
    grid-template-columns: 1fr;
  }

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

  /* Services */
  .services-grid {
    grid-template-columns: 1fr;
  }

  /* About */
  .about-info-grid {
    grid-template-columns: 1fr;
  }

  .about-actions {
    justify-content: center;
  }

  /* Footer */
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
  }
}

/* Mobile Small */
@media (max-width: 480px) {
  :root {
    --spacing-2xl: 3rem;
  }

  .container {
    padding: 0 var(--spacing-sm);
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    justify-content: center;
    max-width: 260px;
  }

  .image-wrapper {
    width: 190px;
    height: 190px;
  }

  .project-links {
    flex-wrap: wrap;
  }

  .project-links .btn {
    flex: 1;
    max-width: none;
  }
}

/* ==================== MENU OVERLAY ==================== */
.menu-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 998;
  backdrop-filter: blur(3px);
}

.menu-overlay.active {
  display: block;
}

/* ==================== LOADING ANIMATIONS ==================== */
@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}