/* ==========================================================================
   PORTFOLIO MODERN & PREMIUM - STYLE.CSS
   Cocok untuk InfinityFree Hosting (Pure Vanilla CSS)
   Features: Dark/Light Mode, Glassmorphism, Micro-interactions, Responsive
   ========================================================================== */

/* ------------------ 1. CSS VARIABLES & THEMES ------------------ */
:root {
  /* Color Palette - Default Dark Theme */
  --bg-body: #0a0f1d;
  --bg-surface: #111827;
  --bg-card: rgba(17, 24, 39, 0.75);
  --bg-card-hover: rgba(30, 41, 59, 0.85);
  --bg-glass: rgba(255, 255, 255, 0.04);
  --bg-nav: rgba(10, 15, 29, 0.85);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --accent-primary: #6366f1;
  --accent-secondary: #06b6d4;
  --accent-tertiary: #a855f7;
  --accent-gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #06b6d4 100%);
  --accent-gradient-hover: linear-gradient(135deg, #4f46e5 0%, #9333ea 50%, #0891b2 100%);

  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(99, 102, 241, 0.3);

  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 10px 25px -5px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 20px 35px -10px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.25);

  /* Typography */
  --font-main: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Outfit', var(--font-main);

  /* Transitions & Spacing */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --container-max: 1200px;
}

/* Light Theme Data Attribute */
[data-theme="light"] {
  --bg-body: #f8fafc;
  --bg-surface: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-card-hover: rgba(255, 255, 255, 0.98);
  --bg-glass: rgba(0, 0, 0, 0.02);
  --bg-nav: rgba(248, 250, 252, 0.88);

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

  --border-subtle: rgba(0, 0, 0, 0.08);
  --border-glow: rgba(99, 102, 241, 0.2);

  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 8px 20px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 20px 30px rgba(0, 0, 0, 0.08);
  --shadow-glow: 0 0 25px rgba(99, 102, 241, 0.15);
}

/* ------------------ 2. BASE & RESET ------------------ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-body);
  color: var(--text-primary);
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Ambient Background Glow Orbs */
.ambient-glow {
  position: fixed;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: -1;
  opacity: 0.18;
  transition: opacity var(--transition-slow);
}
.ambient-glow-1 {
  top: -100px;
  left: -100px;
  background: radial-gradient(circle, var(--accent-primary), transparent 70%);
}
.ambient-glow-2 {
  bottom: 10%;
  right: -100px;
  background: radial-gradient(circle, var(--accent-secondary), transparent 70%);
}

/* Typography Helpers */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-primary);
  line-height: 1.25;
  font-weight: 700;
}

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

ul {
  list-style: none;
}

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

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

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 6rem 0;
  position: relative;
}

/* Section Header Component */
.section-header {
  text-align: center;
  margin-bottom: 4rem;
}
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent-primary);
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.25);
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}
.section-title {
  font-size: 2.25rem;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}
.section-desc {
  max-width: 600px;
  margin: 0 auto;
  color: var(--text-secondary);
  font-size: 1.05rem;
}

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

/* ------------------ 3. BUTTONS & UI COMPONENTS ------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.75rem 1.6rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(99, 102, 241, 0.5);
  background: var(--accent-gradient-hover);
}

.btn-outline {
  background: var(--bg-glass);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(8px);
}
.btn-outline:hover {
  background: rgba(99, 102, 241, 0.1);
  border-color: var(--accent-primary);
  transform: translateY(-2px);
  color: var(--accent-primary);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
}

.btn-icon-only {
  width: 42px;
  height: 42px;
  padding: 0;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* Glassmorphism Card Style */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
}
.glass-card:hover {
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow);
}

/* ------------------ 4. NAVBAR & HEADER ------------------ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.25rem 0;
  transition: all var(--transition-normal);
}
.navbar.scrolled {
  padding: 0.8rem 0;
  background: var(--bg-nav);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-primary);
}
.nav-logo-icon {
  width: 36px;
  height: 36px;
  background: var(--accent-gradient);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1rem;
  box-shadow: 0 4px 10px rgba(99, 102, 241, 0.4);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 0.4rem 0;
  transition: color var(--transition-fast);
}
.nav-link:hover, .nav-link.active {
  color: var(--accent-primary);
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--accent-gradient);
  border-radius: var(--radius-full);
  transition: width var(--transition-normal);
}
.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Theme Toggle Button */
.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: all var(--transition-fast);
}
.theme-toggle:hover {
  background: rgba(99, 102, 241, 0.15);
  color: var(--accent-primary);
  transform: rotate(15deg);
}

/* Mobile Hamburger Toggle */
.mobile-toggle {
  display: none;
  font-size: 1.4rem;
  color: var(--text-primary);
  padding: 0.4rem;
}

/* ------------------ 5. HERO SECTION ------------------ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 6rem;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 3.5rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-full);
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.25);
  color: #10b981;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
}
.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #10b981;
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  animation: pulse 1.8s infinite;
}
@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.hero-title {
  font-size: 3.25rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.2rem;
  letter-spacing: -0.03em;
}

.hero-role-wrapper {
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 2rem;
}
.typed-text {
  color: var(--accent-secondary);
  position: relative;
}
.cursor {
  display: inline-block;
  width: 3px;
  background-color: var(--accent-secondary);
  animation: blink 0.9s infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 540px;
  margin-bottom: 2rem;
}

.hero-buttons {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.hero-socials {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.social-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}
.social-links {
  display: flex;
  gap: 0.6rem;
}
.social-btn {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 1.05rem;
  transition: all var(--transition-fast);
}
.social-btn:hover {
  color: #fff;
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  transform: translateY(-3px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

/* Hero Visual / Avatar Card */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
}
.hero-image-wrapper {
  position: relative;
  width: 340px;
  height: 400px;
}
.hero-image-backdrop {
  position: absolute;
  inset: -10px;
  background: var(--accent-gradient);
  border-radius: 30px;
  transform: rotate(-3deg);
  opacity: 0.6;
  filter: blur(15px);
  transition: transform var(--transition-normal);
}
.hero-image-wrapper:hover .hero-image-backdrop {
  transform: rotate(0deg) scale(1.02);
  opacity: 0.85;
}
.hero-image {
  position: relative;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 24px;
  border: 2px solid var(--border-subtle);
  box-shadow: var(--shadow-lg);
  z-index: 2;
}

/* Floating Tech Badges */
.floating-badge {
  position: absolute;
  z-index: 3;
  padding: 0.6rem 1rem;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  font-weight: 600;
  animation: floatSlow 4s ease-in-out infinite alternate;
}
.floating-badge-1 {
  top: 10%;
  left: -20px;
  animation-delay: 0s;
}
.floating-badge-2 {
  bottom: 12%;
  right: -25px;
  animation-delay: 2s;
}
.floating-badge i {
  font-size: 1.2rem;
  color: var(--accent-primary);
}

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

/* ------------------ 6. STATS COUNTER STRIP ------------------ */
.stats-strip {
  padding: 2rem 0;
  margin-top: -1rem;
  position: relative;
  z-index: 10;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  padding: 2rem;
}
.stat-item {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.stat-icon {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-md);
  background: rgba(99, 102, 241, 0.1);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  flex-shrink: 0;
}
.stat-number {
  font-size: 2rem;
  font-weight: 800;
  font-family: var(--font-heading);
  line-height: 1;
}
.stat-title {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* ------------------ 7. ABOUT ME SECTION ------------------ */
.about-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3.5rem;
  align-items: center;
}
.about-info-card {
  padding: 2.2rem;
}
.about-quote {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  border-left: 3px solid var(--accent-primary);
  padding-left: 1.25rem;
  margin-bottom: 1.5rem;
  font-style: italic;
}
.about-text {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-size: 1rem;
  line-height: 1.7;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
  margin-top: 1.5rem;
}
.feature-box {
  padding: 1.2rem;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: transform var(--transition-fast);
}
.feature-box:hover {
  transform: translateY(-3px);
  border-color: var(--border-glow);
}
.feature-box i {
  font-size: 1.4rem;
  color: var(--accent-secondary);
  margin-bottom: 0.5rem;
}
.feature-box h4 {
  font-size: 1rem;
  margin-bottom: 0.3rem;
}
.feature-box p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* ------------------ 8. SKILLS SECTION ------------------ */
.skills-categories {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.skill-category-card {
  padding: 2rem;
  display: flex;
  flex-direction: column;
}
.skill-category-header {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 1.5rem;
}
.skill-category-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.2rem;
}
.skill-category-header h3 {
  font-size: 1.25rem;
}

.skills-list {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}
.skill-item {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.skill-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
  font-weight: 600;
}
.skill-info {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.skill-info i {
  font-size: 1.1rem;
}
.skill-percent {
  color: var(--accent-secondary);
  font-size: 0.85rem;
}
.skill-bar {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-full);
  overflow: hidden;
}
[data-theme="light"] .skill-bar {
  background: rgba(0, 0, 0, 0.08);
}
.skill-fill {
  height: 100%;
  background: var(--accent-gradient);
  border-radius: var(--radius-full);
  width: 0%;
  transition: width 1.2s cubic-bezier(0.25, 1, 0.5, 1);
}

/* ------------------ 9. PROJECTS SECTION ------------------ */
.project-filters {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 3rem;
}
.filter-btn {
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-fast);
}
.filter-btn:hover, .filter-btn.active {
  background: var(--accent-gradient);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.project-card {
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}
.project-card:hover {
  transform: translateY(-8px);
}
.project-thumb-wrapper {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
}
.project-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.project-card:hover .project-thumb {
  transform: scale(1.08);
}
.project-badge-tag {
  position: absolute;
  top: 1rem;
  left: 1rem;
  padding: 0.35rem 0.8rem;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(8px);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.15);
  text-transform: uppercase;
}

.project-body {
  padding: 1.6rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.project-title {
  font-size: 1.25rem;
  margin-bottom: 0.6rem;
  transition: color var(--transition-fast);
}
.project-card:hover .project-title {
  color: var(--accent-primary);
}
.project-description {
  font-size: 0.92rem;
  color: var(--text-secondary);
  margin-bottom: 1.2rem;
  line-height: 1.6;
  flex: 1;
}
.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.5rem;
}
.tech-tag {
  font-size: 0.75rem;
  padding: 0.25rem 0.6rem;
  background: rgba(99, 102, 241, 0.12);
  color: var(--accent-secondary);
  border-radius: var(--radius-sm);
  font-weight: 500;
}

.project-links {
  display: flex;
  gap: 0.8rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
}

/* ------------------ 10. TIMELINE (EDUCATION & ACADEMICS) ------------------ */
.timeline-container {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  padding: 1rem 0;
}
.timeline-container::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 30px;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-primary), var(--accent-secondary), transparent);
}

.timeline-item {
  position: relative;
  padding-left: 70px;
  margin-bottom: 2.5rem;
}
.timeline-item:last-child {
  margin-bottom: 0;
}
.timeline-dot {
  position: absolute;
  top: 0;
  left: 20px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--bg-surface);
  border: 4px solid var(--accent-primary);
  box-shadow: 0 0 10px rgba(99, 102, 241, 0.5);
  z-index: 2;
}

.timeline-content {
  padding: 1.8rem;
}
.timeline-period {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--accent-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.4rem;
}
.timeline-title {
  font-size: 1.25rem;
  margin-bottom: 0.4rem;
}
.timeline-subtitle {
  font-size: 0.95rem;
  color: var(--accent-primary);
  font-weight: 600;
  margin-bottom: 0.8rem;
}
.timeline-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ------------------ 11. HOSTING / INFINITYFREE SHOWCASE BANNER ------------------ */
.infinity-badge-banner {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(6, 182, 212, 0.15));
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  margin: 4rem auto 0;
  max-width: 900px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.infinity-info {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.infinity-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: #fff;
  flex-shrink: 0;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}
.infinity-text h3 {
  font-size: 1.25rem;
  margin-bottom: 0.3rem;
}
.infinity-text p {
  font-size: 0.92rem;
  color: var(--text-secondary);
}

/* ------------------ 12. CONTACT SECTION ------------------ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 3.5rem;
  align-items: flex-start;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 2rem;
}
.contact-item {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  padding: 1.2rem;
  border-radius: var(--radius-md);
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-fast);
}
.contact-item:hover {
  border-color: var(--accent-primary);
  transform: translateX(6px);
}
.contact-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(99, 102, 241, 0.12);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}
.contact-details h4 {
  font-size: 0.95rem;
  margin-bottom: 0.2rem;
}
.contact-details p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  word-break: break-all;
}

/* Contact Form */
.contact-form-card {
  padding: 2.5rem;
}
.form-group {
  margin-bottom: 1.4rem;
}
.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}
.form-input, .form-textarea {
  width: 100%;
  padding: 0.85rem 1.1rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}
.form-input:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}
.form-textarea {
  min-height: 130px;
  resize: vertical;
}

/* ------------------ 13. FOOTER ------------------ */
.footer {
  padding: 4rem 0 2rem;
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  position: relative;
}
.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 2rem;
  margin-bottom: 2.5rem;
}
.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Back To Top Button */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--accent-gradient);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  z-index: 999;
}
.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 25px rgba(99, 102, 241, 0.6);
}

/* ------------------ 14. MODAL POPUP (PROJECT DETAILS) ------------------ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}
.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}
.modal-container {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  max-width: 650px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  transform: scale(0.92);
  transition: transform var(--transition-normal);
  position: relative;
}
.modal-overlay.open .modal-container {
  transform: scale(1);
}
.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.5);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  cursor: pointer;
  z-index: 10;
  transition: background var(--transition-fast);
}
.modal-close:hover {
  background: #ef4444;
}
.modal-thumb {
  width: 100%;
  max-height: 300px;
  object-fit: cover;
}
.modal-content {
  padding: 2rem;
}

/* Toast Notifications */
.toast-notification {
  position: fixed;
  bottom: 25px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--bg-surface);
  color: var(--text-primary);
  padding: 0.9rem 1.6rem;
  border-radius: var(--radius-full);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-glow);
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-size: 0.95rem;
  font-weight: 600;
  z-index: 3000;
  opacity: 0;
  transition: all var(--transition-normal);
  pointer-events: none;
}
.toast-notification.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* ------------------ 15. RESPONSIVE BREAKPOINTS ------------------ */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
  }
  .hero-desc {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-role-wrapper {
    justify-content: center;
  }
  .hero-buttons {
    justify-content: center;
  }
  .hero-socials {
    justify-content: center;
  }
  .skills-categories {
    grid-template-columns: 1fr;
  }
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .about-grid {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .section {
    padding: 4.5rem 0;
  }
  .hero-title {
    font-size: 2.5rem;
  }
  .mobile-toggle {
    display: block;
  }
  .nav-menu {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-subtle);
    padding: 1.5rem 2rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 1.2rem;
    transform: translateY(-150%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-lg);
  }
  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .projects-grid {
    grid-template-columns: 1fr;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .infinity-badge-banner {
    flex-direction: column;
    text-align: center;
  }
  .infinity-info {
    flex-direction: column;
  }
  .about-features {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2.1rem;
  }
  .hero-image-wrapper {
    width: 280px;
    height: 330px;
  }
  .stats-grid {
    grid-template-columns: 1fr;
  }
}