/* ============================================================
   ROOT VARIABLES & RESET
   ============================================================ */
:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: #16161f;
  --bg-card-hover: #1c1c28;
  --text-primary: #f0f0f5;
  --text-secondary: #a0a0b8;
  --text-muted: #6b6b80;
  --accent: #7c5cfc;
  --accent-light: #9b82ff;
  --accent-dark: #5a3fd4;
  --accent-glow: rgba(124, 92, 252, 0.35);
  --gradient-1: linear-gradient(135deg, #7c5cfc 0%, #c084fc 50%, #f472b6 100%);
  --gradient-2: linear-gradient(135deg, #06b6d4 0%, #3b82f6 50%, #8b5cf6 100%);
  --gradient-3: linear-gradient(135deg, #f59e0b 0%, #ef4444 50%, #ec4899 100%);
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --border: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(255, 255, 255, 0.12);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px var(--accent-glow);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', Consolas, monospace;
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --header-height: 72px;
  --max-width: 1200px;
}

/* ============================================================
   COLOR SCHEMES
   The owner picks one of these from the dashboard (Profile & Hero
   tab). Whichever is active is written to <body data-color-scheme="...">
   by applyColorScheme() in data.js, and each block below simply
   overrides the accent variables (and the gradient built from them)
   used throughout the rest of this file. "violet" matches the
   original :root defaults above, so it doesn't need its own block.
   ============================================================ */
body[data-color-scheme="ocean"] {
  --accent: #2f6fed;
  --accent-light: #5b93ff;
  --accent-dark: #1f4fc4;
  --accent-glow: rgba(47, 111, 237, 0.35);
  --gradient-1: linear-gradient(135deg, #2f6fed 0%, #38bdf8 50%, #22d3ee 100%);
}

body[data-color-scheme="emerald"] {
  --accent: #10b981;
  --accent-light: #34d399;
  --accent-dark: #059669;
  --accent-glow: rgba(16, 185, 129, 0.35);
  --gradient-1: linear-gradient(135deg, #10b981 0%, #34d399 50%, #a3e635 100%);
}

body[data-color-scheme="sunset"] {
  --accent: #f97316;
  --accent-light: #fb923c;
  --accent-dark: #c2410c;
  --accent-glow: rgba(249, 115, 22, 0.35);
  --gradient-1: linear-gradient(135deg, #f97316 0%, #f43f5e 50%, #facc15 100%);
}

body[data-color-scheme="rose"] {
  --accent: #ec4899;
  --accent-light: #f472b6;
  --accent-dark: #be185d;
  --accent-glow: rgba(236, 72, 153, 0.35);
  --gradient-1: linear-gradient(135deg, #ec4899 0%, #c084fc 50%, #f97316 100%);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background:
    radial-gradient(900px circle at 12% 8%, rgba(124, 92, 252, 0.14), transparent 55%),
    radial-gradient(800px circle at 88% 28%, rgba(244, 114, 182, 0.10), transparent 55%),
    radial-gradient(750px circle at 25% 92%, rgba(59, 130, 246, 0.10), transparent 55%),
    radial-gradient(650px circle at 92% 88%, rgba(6, 182, 212, 0.08), transparent 55%),
    var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
  list-style: none;
}

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

input, textarea {
  font-family: inherit;
  font-size: 1rem;
  border: none;
  outline: none;
  background: transparent;
  color: var(--text-primary);
}

/* ============================================================
   UTILITY CLASSES
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
  padding: 6px 14px;
  background: rgba(124, 92, 252, 0.1);
  border-radius: 100px;
  border: 1px solid rgba(124, 92, 252, 0.2);
}

.section-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 16px;
  color: var(--text-primary); /* fallback if gradient-text clipping is unsupported */
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 100px;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn-primary {
  background: var(--gradient-1);
  color: #fff;
  box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--accent-glow);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-outline {
  border: 1.5px solid var(--border-hover);
  color: var(--text-primary);
  background: transparent;
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(124, 92, 252, 0.08);
}

.btn-ghost {
  color: var(--text-secondary);
  padding: 10px 18px;
}

.btn-ghost:hover {
  color: var(--accent);
  background: rgba(124, 92, 252, 0.08);
}

.btn-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: all var(--transition-base);
}

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

/* ============================================================
   SCROLLBAR & SELECTION
   ============================================================ */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--bg-card-hover);
  border-radius: 10px;
  border: 2px solid var(--bg-primary);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

::selection {
  background: rgba(124, 92, 252, 0.35);
  color: #fff;
}

/* ============================================================
   LOADING SCREEN
   ============================================================ */
#loader {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

#loader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-logo {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--text-primary); /* fallback if gradient-text clipping is unsupported */
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 24px;
  animation: pulse 1.5s ease-in-out infinite;
}

.loader-bar {
  width: 180px;
  height: 3px;
  background: var(--bg-card);
  border-radius: 10px;
  overflow: hidden;
}

.loader-progress {
  height: 100%;
  width: 0%;
  background: var(--gradient-1);
  border-radius: 10px;
  animation: loadProgress 1.8s ease-in-out forwards;
}

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

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

/* ============================================================
   HEADER / NAVIGATION
   ============================================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: 1000;
  transition: all var(--transition-base);
  background: transparent;
}

.header.scrolled {
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.logo {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo-mark {
  width: 36px;
  height: 36px;
  background: var(--gradient-1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: #fff;
  font-weight: 700;
}

.logo-text span {
  color: var(--text-primary); /* fallback if gradient-text clipping is unsupported */
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  padding: 8px 16px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: 8px;
  transition: all var(--transition-fast);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
  background: rgba(124, 92, 252, 0.1);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.mobile-menu-btn {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 10px;
}

.mobile-menu-btn span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
}

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

.mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
}

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

.mobile-nav {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  background: rgba(10, 10, 15, 0.97);
  backdrop-filter: blur(20px);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transform: translateY(-120%);
  opacity: 0;
  transition: all var(--transition-base);
  z-index: 999;
  border-bottom: 1px solid var(--border);
}

.mobile-nav.open {
  transform: translateY(0);
  opacity: 1;
}

.mobile-nav .nav-link {
  padding: 14px 18px;
  font-size: 1.05rem;
  border-radius: 12px;
}

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

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.hero-bg::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -20%;
  width: 70%;
  height: 80%;
  background: radial-gradient(ellipse, rgba(124, 92, 252, 0.18) 0%, transparent 70%);
  animation: floatOrb 12s ease-in-out infinite;
}

.hero-bg::after {
  content: '';
  position: absolute;
  bottom: -20%;
  left: -15%;
  width: 50%;
  height: 60%;
  background: radial-gradient(ellipse, rgba(236, 72, 153, 0.12) 0%, transparent 70%);
  animation: floatOrb 15s ease-in-out infinite reverse;
}

@keyframes floatOrb {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30px, -20px) scale(1.05); }
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
}

.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(124, 92, 252, 0.1);
  border: 1px solid rgba(124, 92, 252, 0.25);
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent-light);
  margin-bottom: 24px;
  animation: fadeInUp 0.8s ease both;
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  background: var(--success);
  border-radius: 50%;
  animation: blink 2s ease-in-out infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero-title {
  font-size: clamp(2.8rem, 6vw, 4.2rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.1;
  margin-bottom: 20px;
  animation: fadeInUp 0.8s 0.1s ease both;
}

.hero-title .highlight {
  color: var(--text-primary); /* fallback if gradient-text clipping is unsupported */
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 520px;
  margin-bottom: 36px;
  line-height: 1.7;
  animation: fadeInUp 0.8s 0.2s ease both;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 48px;
  animation: fadeInUp 0.8s 0.3s ease both;
}

.hero-stats {
  display: flex;
  gap: 40px;
  animation: fadeInUp 0.8s 0.4s ease both;
}

.stat-item {
  text-align: left;
}

.stat-number {
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary); /* fallback if gradient-text clipping is unsupported */
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.hero-visual {
  position: relative;
  animation: fadeInUp 0.8s 0.3s ease both;
}

.hero-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 32px;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.hero-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-1);
}

.hero-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: var(--gradient-1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  margin: 0 auto 20px;
  box-shadow: var(--shadow-glow);
  position: relative;
}

.hero-avatar::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid rgba(124, 92, 252, 0.4);
  animation: spin 8s linear infinite;
}

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

.hero-name {
  text-align: center;
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.hero-role {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 24px;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-bottom: 24px;
}

.tag {
  padding: 6px 12px;
  font-size: 0.75rem;
  font-weight: 500;
  background: rgba(124, 92, 252, 0.12);
  color: var(--accent-light);
  border-radius: 6px;
  border: 1px solid rgba(124, 92, 252, 0.2);
}

.hero-social {
  display: flex;
  justify-content: center;
  gap: 12px;
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  font-size: 1.1rem;
  transition: all var(--transition-base);
}

.social-link:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  transform: translateY(-3px);
}

.floating-card {
  position: absolute;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 12px;
  animation: float 4s ease-in-out infinite;
  z-index: 2;
}

.floating-card.card-1 {
  top: 10%;
  left: -20px;
  animation-delay: 0s;
}

.floating-card.card-2 {
  bottom: 15%;
  right: -15px;
  animation-delay: 1.5s;
}

.floating-card .icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  background: rgba(124, 92, 252, 0.15);
  color: var(--accent);
}

.floating-card .info h4 {
  font-size: 0.85rem;
  font-weight: 600;
}

.floating-card .info p {
  font-size: 0.75rem;
  color: var(--text-muted);
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

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

/* ============================================================
   ABOUT SECTION
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: center;
}

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

.about-image {
  width: 100%;
  aspect-ratio: 1;
  border-radius: var(--radius-xl);
  background: var(--bg-card);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 6rem;
  position: relative;
  overflow: hidden;
}

.about-image::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-1);
  opacity: 0.15;
}

.about-image-badge {
  position: absolute;
  bottom: 24px;
  right: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  box-shadow: var(--shadow-md);
  text-align: center;
}

.about-image-badge .years {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-primary); /* fallback if gradient-text clipping is unsupported */
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about-image-badge .label {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.about-content h3 {
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  line-height: 1.3;
}

.about-content p {
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.8;
}

.about-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 32px;
}

.highlight-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.highlight-item:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.highlight-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: rgba(124, 92, 252, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
  color: var(--accent);
}

.highlight-text h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.highlight-text p {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.5;
}

/* ============================================================
   SKILLS SECTION
   ============================================================ */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.skill-category {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition-base);
}

.skill-category:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.skill-category-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
}

.skill-category-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  background: var(--gradient-1);
  color: #fff;
}

.skill-category-title {
  font-size: 1.15rem;
  font-weight: 700;
}

.skill-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.skill-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.skill-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.skill-name {
  font-size: 0.9rem;
  font-weight: 500;
}

.skill-percent {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.skill-bar {
  height: 6px;
  background: var(--bg-secondary);
  border-radius: 10px;
  overflow: hidden;
}

.skill-progress {
  height: 100%;
  border-radius: 10px;
  background: var(--gradient-1);
  width: 0;
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.tech-stack {
  margin-top: 64px;
}

.tech-stack-title {
  text-align: center;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 28px;
}

.tech-logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}

.tech-logo {
  padding: 12px 22px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
  gap: 8px;
}

.tech-logo:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
}

/* ============================================================
   PROJECTS SECTION
   ============================================================ */
.projects-filter {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 48px;
}

.filter-btn {
  padding: 10px 22px;
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: 100px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  transition: all var(--transition-base);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  box-shadow: 0 4px 16px var(--accent-glow);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
  group: true;
}

.project-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.project-image {
  height: 220px;
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.5rem;
}

.project-image::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-1);
  opacity: 0.2;
  transition: opacity var(--transition-base);
}

.project-card:hover .project-image::before {
  opacity: 0.35;
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 15, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.project-card:hover .project-overlay {
  opacity: 1;
}

.project-body {
  padding: 28px;
}

.project-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.project-category {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  padding: 4px 10px;
  background: rgba(124, 92, 252, 0.12);
  border-radius: 6px;
}

.project-year {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.project-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.project-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.project-tag {
  font-size: 0.75rem;
  padding: 4px 10px;
  background: var(--bg-secondary);
  border-radius: 6px;
  color: var(--text-muted);
  border: 1px solid var(--border);
}

/* ============================================================
   EXPERIENCE SECTION
   ============================================================ */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 28px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border);
}

.timeline-item {
  position: relative;
  padding-left: 72px;
  padding-bottom: 48px;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: 18px;
  top: 6px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 3px solid var(--accent);
  z-index: 1;
  box-shadow: 0 0 0 6px rgba(124, 92, 252, 0.15);
}

.timeline-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all var(--transition-base);
}

.timeline-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-md);
  transform: translateX(6px);
}

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 12px;
}

.timeline-role {
  font-size: 1.15rem;
  font-weight: 700;
}

.timeline-company {
  font-size: 0.95rem;
  color: var(--accent);
  font-weight: 500;
}

.timeline-date {
  font-size: 0.8rem;
  color: var(--text-muted);
  padding: 4px 12px;
  background: var(--bg-secondary);
  border-radius: 100px;
  border: 1px solid var(--border);
  white-space: nowrap;
}

.timeline-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 16px;
}

.timeline-achievements {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.timeline-achievements li {
  font-size: 0.875rem;
  color: var(--text-secondary);
  padding-left: 20px;
  position: relative;
}

.timeline-achievements li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 600;
}

/* ============================================================
   TESTIMONIALS
   ============================================================ */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.testimonial-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.testimonial-stars {
  color: #f59e0b;
  font-size: 1rem;
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.testimonial-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.75;
  flex: 1;
  margin-bottom: 24px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
}

.author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  color: #fff;
  flex-shrink: 0;
}

.author-info h4 {
  font-size: 0.95rem;
  font-weight: 600;
}

.author-info p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ============================================================
   BLOG / ARTICLES
   ============================================================ */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.article-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
}

.article-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.article-image {
  height: 180px;
  background: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  position: relative;
  overflow: hidden;
}

.article-image::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-2);
  opacity: 0.25;
}

.article-body {
  padding: 24px;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.article-category {
  color: var(--accent);
  font-weight: 600;
}

.article-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.4;
  transition: color var(--transition-fast);
}

.article-card:hover .article-title {
  color: var(--accent);
}

.article-excerpt {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 16px;
}

.article-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--transition-fast);
}

.article-link:hover {
  gap: 10px;
}

/* ============================================================
   CONTACT SECTION
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
}

.contact-info h3 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.contact-info p {
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 32px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 36px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
}

.contact-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: rgba(124, 92, 252, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--accent);
  flex-shrink: 0;
}

.contact-item-text h4 {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 2px;
}

.contact-item-text p {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-primary);
  margin: 0;
}

.contact-social {
  display: flex;
  gap: 12px;
}

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 36px;
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 14px 18px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(124, 92, 252, 0.15);
}

.form-textarea {
  min-height: 140px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-submit {
  width: 100%;
  justify-content: center;
  margin-top: 8px;
}

.form-message {
  margin-top: 16px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  display: none;
}

.form-message.success {
  display: block;
  background: rgba(16, 185, 129, 0.12);
  color: var(--success);
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.form-message.error {
  display: block;
  background: rgba(239, 68, 68, 0.12);
  color: var(--danger);
  border: 1px solid rgba(239, 68, 68, 0.25);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-brand .logo {
  margin-bottom: 16px;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
  max-width: 280px;
}

.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 18px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 28px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 16px;
}

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

.footer-bottom-links {
  display: flex;
  gap: 24px;
}

.footer-bottom-links a {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-bottom-links a:hover {
  color: var(--accent);
}

/* ============================================================
   BACK TO TOP
   ============================================================ */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: 0 4px 20px var(--accent-glow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-base);
  z-index: 100;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px var(--accent-glow);
}

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

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero-visual {
    max-width: 420px;
    margin: 0 auto;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-image-wrapper {
    max-width: 400px;
    margin: 0 auto;
  }

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

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

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

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

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

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

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .logo-text {
    display: none;
  }

  .nav-actions .btn-primary {
    padding: 9px 14px !important;
    font-size: 0.8rem !important;
  }

  .hero-stats {
    gap: 24px;
  }

  .stat-number {
    font-size: 1.5rem;
  }

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

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .section {
    padding: 72px 0;
  }

  .floating-card {
    display: none;
  }

  .hero-card,
  .contact-form {
    padding: 24px;
  }
}

@media (max-width: 480px) {
  .hero-cta {
    flex-direction: column;
  }

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

  .hero-stats {
    flex-direction: column;
    gap: 16px;
  }

  .container {
    padding: 0 16px;
  }

  .section-title {
    font-size: clamp(1.6rem, 6vw, 2.2rem);
  }

  .hero-title {
    font-size: clamp(2.1rem, 9vw, 2.8rem);
  }

  .hero-avatar {
    width: 96px;
    height: 96px;
    font-size: 2.3rem;
  }

  .hero-card,
  .contact-form {
    padding: 20px;
  }

  .contact-item {
    align-items: flex-start;
  }

  .contact-item-text p + p {
    margin-top: 6px;
  }

  .social-link {
    width: 36px;
    height: 36px;
    font-size: 1rem;
  }

  .nav {
    padding: 0 16px;
  }

  .mobile-nav {
    padding: 16px;
  }
}

/* ============================================================
   EXTRA POLISH & MICRO-INTERACTIONS
   ============================================================ */
.cursor-glow {
  pointer-events: none;
  position: fixed;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(124, 92, 252, 0.08) 0%, transparent 70%);
  transform: translate(-50%, -50%);
  z-index: 0;
  transition: opacity 0.3s ease;
  opacity: 0;
}

body:hover .cursor-glow {
  opacity: 1;
}

.typing-cursor {
  display: inline-block;
  width: 3px;
  height: 1.1em;
  background: var(--accent);
  margin-left: 4px;
  animation: blinkCursor 0.8s step-end infinite;
  vertical-align: text-bottom;
}

@keyframes blinkCursor {
  50% { opacity: 0; }
}

.gradient-text {
  color: var(--text-primary); /* fallback if gradient-text clipping is unsupported */
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.glass {
  background: rgba(22, 22, 31, 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
}

.noise-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9998;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* Additional utility spacing */
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.gap-3 { gap: 24px; }

/* Project color variants */
.project-image.p1::before { background: var(--gradient-1); }
.project-image.p2::before { background: var(--gradient-2); }
.project-image.p3::before { background: var(--gradient-3); }
.project-image.p4::before { background: linear-gradient(135deg, #10b981, #06b6d4); }
.project-image.p5::before { background: linear-gradient(135deg, #f59e0b, #ef4444); }
.project-image.p6::before { background: linear-gradient(135deg, #8b5cf6, #ec4899); }

/* Skill category icon variants */
.skill-category:nth-child(1) .skill-category-icon { background: var(--gradient-1); }
.skill-category:nth-child(2) .skill-category-icon { background: var(--gradient-2); }
.skill-category:nth-child(3) .skill-category-icon { background: var(--gradient-3); }

/* Hover lift utility */
.hover-lift {
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

/* Focus visible for accessibility */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* Print styles */
@media print {
  .header, .back-to-top, #loader, .mobile-nav {
    display: none !important;
  }
  body {
    background: #fff;
    color: #000;
  }
}