/* Style for Futhia Nanda Az-Zahra Portfolio */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Poppins:wght@300;400;500;600;700;800&display=swap');

:root {
  /* Dark Mode Variables (Default) */
  --bg-color: #0F172A;
  --bg-dots: rgba(255, 255, 255, 0.03);
  --card-bg: #1E293B;
  --card-hover: #26354E;
  --text-primary: #FFFFFF;
  --text-secondary: #CBD5E1;
  --text-muted: #94A3B8;
  --primary: #4F46E5;
  --primary-hover: #4338CA;
  --secondary: #7C3AED;
  --accent: #06B6D4;
  --accent-rgb: 6, 182, 212;
  --primary-gradient: linear-gradient(135deg, #4F46E5 0%, #7C3AED 100%);
  --accent-gradient: linear-gradient(135deg, #06B6D4 0%, #3B82F6 100%);
  --nav-bg: rgba(15, 23, 42, 0.8);
  --border-color: rgba(255, 255, 255, 0.08);
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.15), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --glass-bg: rgba(30, 41, 59, 0.7);
  --glass-border: rgba(255, 255, 255, 0.05);
  
  --font-primary: 'Poppins', sans-serif;
  --font-secondary: 'Inter', sans-serif;
  
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Mode Variables override */
[data-theme="light"] {
  --bg-color: #F8FAFC;
  --bg-dots: rgba(0, 0, 0, 0.02);
  --card-bg: #FFFFFF;
  --card-hover: #F1F5F9;
  --text-primary: #0F172A;
  --text-secondary: #334155;
  --text-muted: #64748B;
  --nav-bg: rgba(248, 250, 252, 0.8);
  --border-color: rgba(0, 0, 0, 0.06);
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.04), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.06), 0 10px 10px -5px rgba(0, 0, 0, 0.02);
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(0, 0, 0, 0.04);
}

/* Reset and Global Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-secondary);
  background-color: var(--bg-color);
  color: var(--text-secondary);
  overflow-x: hidden;
  line-height: 1.6;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  background-image: radial-gradient(var(--bg-dots) 1.5px, transparent 1.5px);
  background-size: 24px 24px;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  color: var(--text-primary);
  font-weight: 600;
  line-height: 1.25;
  transition: color var(--transition-normal);
}

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

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

/* Utilities */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section-padding {
  padding: 7rem 0 5rem 0;
}

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

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

/* Scrollbar Style */
::-webkit-scrollbar {
  width: 8px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}

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

/* Floating Shapes Animation */
.floating-shapes {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: -1;
  pointer-events: none;
}

.shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.15;
  transition: opacity var(--transition-normal);
}

[data-theme="light"] .shape {
  opacity: 0.08;
}

.shape-1 {
  top: 15%;
  left: 10%;
  width: 300px;
  height: 300px;
  background: var(--primary);
  animation: float-1 20s infinite alternate;
}

.shape-2 {
  bottom: 15%;
  right: 10%;
  width: 350px;
  height: 350px;
  background: var(--secondary);
  animation: float-2 25s infinite alternate;
}

.shape-3 {
  top: 45%;
  left: 50%;
  width: 200px;
  height: 200px;
  background: var(--accent);
  animation: float-3 18s infinite alternate;
}

@keyframes float-1 {
  0% { transform: translateY(0) scale(1); }
  100% { transform: translateY(40px) scale(1.1); }
}

@keyframes float-2 {
  0% { transform: translateY(0) scale(1); }
  100% { transform: translateY(-50px) scale(0.9); }
}

@keyframes float-3 {
  0% { transform: translate(0, 0); }
  100% { transform: translate(-30px, 30px) scale(1.2); }
}

/* Header & Navbar */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: transparent;
  transition: background-color var(--transition-normal), box-shadow var(--transition-normal), backdrop-filter var(--transition-normal);
  border-bottom: 1px solid transparent;
}

header.scrolled {
  background-color: var(--nav-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-lg);
  border-bottom: 1px solid var(--border-color);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.5rem;
  transition: height var(--transition-normal);
}

header.scrolled .navbar {
  height: 4rem;
}

.logo {
  font-family: var(--font-primary);
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--primary-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFF;
  font-weight: 800;
  font-size: 1.1rem;
}

.nav-menu {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 2rem;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 0.25rem 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-gradient);
  transition: width var(--transition-normal);
  border-radius: 2px;
}

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

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

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

/* Mode Toggle */
.theme-toggle-btn {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-normal);
  background-color: var(--card-bg);
}

.theme-toggle-btn:hover {
  background-color: var(--card-hover);
  transform: scale(1.05);
  border-color: var(--primary);
}

.theme-toggle-btn .sun-icon {
  display: none;
}

[data-theme="light"] .theme-toggle-btn .moon-icon {
  display: none;
}

[data-theme="light"] .theme-toggle-btn .sun-icon {
  display: block;
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  z-index: 1001;
  padding: 0.25rem;
}

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

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 4rem;
  align-items: center;
}

.hero-content {
  max-width: 650px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  padding: 0.5rem 1rem;
  border-radius: 100px;
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(8px);
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(6, 182, 212, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(6, 182, 212, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(6, 182, 212, 0); }
}

.hero-subtitle {
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.hero-typing {
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 2.7rem;
}

.typed-text {
  color: var(--primary);
  border-right: 3px solid var(--primary);
  white-space: nowrap;
  animation: blink 0.75s step-end infinite;
  padding-right: 4px;
}

@keyframes blink {
  from, to { border-color: transparent }
  50% { border-color: var(--primary); }
}

.hero-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-bottom: 3rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  border-radius: 12px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: none;
}

.btn-primary {
  background: var(--primary-gradient);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(79, 70, 229, 0.6);
}

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

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

.btn-accent {
  background: var(--accent-gradient);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(6, 182, 212, 0.3);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(6, 182, 212, 0.5);
}

/* Social Icons */
.hero-socials {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.hero-socials span {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
}

.social-link {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-normal);
}

.social-link:hover {
  transform: translateY(-3px) scale(1.05);
  background: var(--primary-gradient);
  color: #FFFFFF;
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}

/* Hero Visual Frame (Right Column) */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.profile-frame {
  position: relative;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  padding: 4px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  animation: float-profile 6s ease-in-out infinite alternate;
  z-index: 1;
}

/* Blurred gradient behind it */
.profile-frame::before {
  content: '';
  position: absolute;
  top: -12px;
  left: -12px;
  right: -12px;
  bottom: -12px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  border-radius: 50%;
  filter: blur(24px);
  opacity: 0.45;
  z-index: -1;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.profile-frame:hover::before {
  opacity: 0.65;
}

@keyframes float-profile {
  0% { transform: translateY(0); }
  100% { transform: translateY(-15px); }
}

.profile-frame-inner {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  overflow: hidden;
  background-color: var(--card-bg);
  border: 4px solid var(--card-bg);
  box-shadow: var(--shadow-xl);
}

.profile-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 50%;
    transform: scale(1.15);
    transition: transform var(--transition-slow);
}

.profile-frame:hover .profile-img {
    transform: scale(1.2);
}

.visual-badge {
  position: absolute;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
  padding: 0.65rem 1.15rem;
  border-radius: 16px;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  box-shadow: var(--shadow-xl);
  z-index: 2;
  transition: all var(--transition-normal);
}

.visual-badge:hover {
  transform: scale(1.05);
  background-color: var(--card-hover);
}

.badge-pos-1 {
  bottom: 10%;
  left: -15%;
}

.badge-pos-2 {
  top: 15%;
  right: -10%;
}

.visual-badge-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--primary-gradient);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
}

.badge-pos-2 .visual-badge-icon {
  background: var(--accent-gradient);
}

.visual-badge-info h4 {
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 0.1rem;
}

.visual-badge-info p {
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* Section Header */
.section-header {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 4.5rem auto;
}

.section-subtitle {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--primary);
  font-weight: 700;
  margin-bottom: 0.75rem;
  display: block;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  position: relative;
  display: inline-block;
  margin-bottom: 1rem;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
}

/* About Section */
.about-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 4.5rem;
  align-items: center;
}

.about-card {
  position: relative;
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.about-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary);
  box-shadow: var(--shadow-xl);
}

.about-card-title {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.about-card-title svg {
  color: var(--primary);
}

.about-text {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.about-text:last-child {
  margin-bottom: 0;
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.about-stat-item {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 1.5rem;
  text-align: center;
  transition: all var(--transition-normal);
}

.about-stat-item:hover {
  border-color: var(--accent);
  background-color: var(--card-hover);
  transform: translateY(-3px);
}

.stat-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(79, 70, 229, 0.1);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem auto;
  transition: all var(--transition-normal);
}

.about-stat-item:hover .stat-icon {
  background: var(--primary-gradient);
  color: #FFFFFF;
}

.stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Education Section */
.edu-wrapper {
  max-width: 800px;
  margin: 0 auto;
}

.edu-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  padding: 3rem;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
  transition: all var(--transition-normal);
}

.edu-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary);
  box-shadow: var(--shadow-xl);
}

.edu-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--primary-gradient);
}

.edu-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 2rem;
  margin-bottom: 2rem;
}

.edu-title-group {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
}

.edu-icon-container {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: rgba(124, 58, 237, 0.1);
  color: var(--secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.edu-university {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.edu-degree {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.edu-duration {
  font-family: var(--font-primary);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  padding: 0.5rem 1.15rem;
  border-radius: 100px;
  font-size: 0.85rem;
  color: var(--primary);
  font-weight: 600;
}

.edu-body h4 {
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
  color: var(--text-primary);
}

.edu-interests {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.edu-tag {
  background-color: var(--card-hover);
  border: 1px solid var(--border-color);
  padding: 0.5rem 1.25rem;
  border-radius: 100px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all var(--transition-normal);
}

.edu-tag:hover {
  border-color: var(--accent);
  color: var(--text-primary);
  transform: translateY(-2px);
}

.edu-tag-dot {
  width: 6px;
  height: 6px;
  background-color: var(--accent);
  border-radius: 50%;
}

/* Skills Section */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.skills-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 2rem;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
}

.skills-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
}

.skills-category-title {
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.75rem;
}

.skills-category-title svg {
  color: var(--primary);
}

.skills-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.skill-item {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.skill-info {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.skill-bar-outer {
  height: 6px;
  background-color: var(--card-hover);
  border-radius: 10px;
  overflow: hidden;
  position: relative;
}

.skill-bar-inner {
  height: 100%;
  border-radius: 10px;
  background: var(--primary-gradient);
  width: 0; /* Animated via JS on viewport entry */
  transition: width 1.5s cubic-bezier(0.1, 0.8, 0.2, 1);
}

.skills-card:nth-child(even) .skill-bar-inner {
  background: var(--accent-gradient);
}

/* Custom Skill Tags for tools and specific categories */
.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.skill-tag {
  background-color: var(--card-hover);
  border: 1px solid var(--border-color);
  padding: 0.5rem 1rem;
  border-radius: 10px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.skill-tag:hover {
  background-color: var(--primary);
  color: #FFFFFF;
  border-color: transparent;
  transform: translateY(-2px);
}

/* Projects Section */
.portfolio-filter-container {
  display: flex;
  justify-content: center;
  margin-bottom: 3rem;
}

.filter-tabs {
  display: inline-flex;
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  padding: 0.35rem;
  border-radius: 14px;
  gap: 0.25rem;
  box-shadow: var(--shadow-md);
}

.filter-tab {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font-primary);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.6rem 1.35rem;
  border-radius: 10px;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.filter-tab:hover {
  color: var(--text-primary);
}

.filter-tab.active {
  background: var(--primary-gradient);
  color: #FFFFFF;
  box-shadow: var(--shadow-sm);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 2.5rem;
}

.project-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-slow);
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  transform: translateY(-8px);
  border-color: var(--primary);
  box-shadow: var(--shadow-xl);
}

.project-img-wrapper {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
}

.project-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.project-card:hover .project-img {
  transform: scale(1.06);
}

.project-img-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.85) 0%, rgba(15, 23, 42, 0.1) 100%);
  opacity: 0;
  transition: opacity var(--transition-normal);
  display: flex;
  align-items: flex-end;
  padding: 1.5rem;
}

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

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

.project-overlay-link {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background-color: var(--primary);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-fast);
}

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

.project-body {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

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

.tech-tag {
  font-family: var(--font-secondary);
  font-size: 0.75rem;
  font-weight: 600;
  background-color: var(--card-hover);
  color: var(--primary);
  padding: 0.25rem 0.75rem;
  border-radius: 6px;
  border: 1px solid var(--border-color);
}

.project-card:nth-child(even) .tech-tag {
  color: var(--accent);
}

.project-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.project-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.75rem;
  flex-grow: 1;
}

.project-links {
  display: flex;
  gap: 1rem;
  border-top: 1px solid var(--border-color);
  padding-top: 1.25rem;
}

.project-btn {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1rem;
  border-radius: 10px;
  font-size: 0.85rem;
  font-weight: 600;
  border: 1px solid var(--border-color);
  background-color: transparent;
  color: var(--text-secondary);
}

.project-btn-primary {
  background: var(--primary-gradient);
  color: #FFFFFF;
  border: none;
}

.project-btn:hover {
  transform: translateY(-2px);
}

.project-btn-primary:hover {
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}

.project-btn:not(.project-btn-primary):hover {
  background-color: var(--card-hover);
  color: var(--text-primary);
  border-color: var(--primary);
}

/* Statistics Section */
.stats-section {
  position: relative;
  background-color: var(--card-bg);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 4.5rem 0;
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 3rem;
  text-align: center;
}

.stat-card {
  position: relative;
}

.stat-card-number {
  font-size: 3rem;
  font-weight: 800;
  font-family: var(--font-primary);
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.stat-card-label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Contact Section */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 4.5rem;
  align-items: start;
}

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

.contact-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  transition: all var(--transition-normal);
}

.contact-card:hover {
  transform: translateX(5px);
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.contact-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(79, 70, 229, 0.1);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition-normal);
}

.contact-card:hover .contact-card-icon {
  background: var(--primary-gradient);
  color: #FFFFFF;
}

.contact-card-details h4 {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 0.2rem;
}

.contact-card-details p {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  word-break: break-all;
}

.contact-socials-group {
  margin-top: 1rem;
}

.contact-socials-group h3 {
  font-size: 1.15rem;
  margin-bottom: 1.25rem;
}

.contact-socials {
  display: flex;
  gap: 1rem;
}

/* Contact Form */
.contact-form-container {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  padding: 3rem;
  box-shadow: var(--shadow-lg);
}

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

.form-group-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

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

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

.form-control {
  background-color: var(--card-hover);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 0.85rem 1.15rem;
  font-family: var(--font-secondary);
  font-size: 0.95rem;
  color: var(--text-primary);
  outline: none;
  transition: all var(--transition-fast);
}

.form-control:focus {
  border-color: var(--primary);
  background-color: var(--card-bg);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

textarea.form-control {
  resize: none;
  min-height: 140px;
}

/* Alert Notification Style */
.alert-box {
  display: none;
  padding: 1rem 1.5rem;
  border-radius: 12px;
  font-size: 0.9rem;
  font-weight: 500;
  align-items: center;
  gap: 0.75rem;
  animation: slideInUp 0.3s forwards;
}

.alert-success {
  display: flex;
  background-color: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.2);
  color: #10B981;
}

/* Scroll To Top Button */
.scroll-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--primary-gradient);
  color: #FFFFFF;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-xl);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  z-index: 99;
}

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

.scroll-to-top:hover {
  background: var(--accent-gradient);
  transform: translateY(-5px);
  box-shadow: 0 8px 24px rgba(6, 182, 212, 0.4);
}

/* Footer */
footer {
  background-color: #0B0F19;
  border-top: 1px solid var(--border-color);
  padding: 4.5rem 0 2rem 0;
  color: #94A3B8;
  font-size: 0.95rem;
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

[data-theme="light"] footer {
  background-color: #E2E8F0;
  color: #475569;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 4rem;
  margin-bottom: 3.5rem;
  align-items: start;
}

.footer-info .logo {
  margin-bottom: 1.25rem;
}

.footer-tagline {
  font-size: 1.05rem;
  line-height: 1.6;
  max-width: 480px;
  margin-bottom: 1.5rem;
  color: var(--text-secondary);
}

.footer-nav h3, .footer-contact h3 {
  color: var(--text-primary);
  font-size: 1.15rem;
  margin-bottom: 1.5rem;
}

.footer-links {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.footer-link-item a {
  font-weight: 500;
  color: var(--text-muted);
}

.footer-link-item a:hover {
  color: var(--primary);
  padding-left: 5px;
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

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

/* Scroll Animation classes */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* Responsive adjustments */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3.5rem;
    text-align: center;
  }
  
  .hero-content {
    max-width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  
  .hero-buttons {
    justify-content: center;
  }
  
  .hero-socials {
    justify-content: center;
  }
  
  .hero-visual {
    order: -1;
  }
  
  .about-grid {
    grid-template-columns: 1fr;
    gap: 3.5rem;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3.5rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

@media (max-width: 768px) {
  html {
    font-size: 15px;
  }
  
  .navbar {
    height: 4rem;
  }
  
  .mobile-nav-toggle {
    display: block;
  }
  
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background-color: var(--card-bg);
    border-left: 1px solid var(--border-color);
    flex-direction: column;
    padding: 6rem 2rem 2rem 2rem;
    gap: 1.5rem;
    align-items: flex-start;
    transition: right var(--transition-slow);
    z-index: 1000;
    box-shadow: var(--shadow-xl);
  }
  
  .nav-menu.open {
    right: 0;
  }
  
  .nav-menu .nav-link {
    font-size: 1.15rem;
    width: 100%;
  }
  
  .nav-menu .nav-link::after {
    display: none;
  }
  
  .form-group-row {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .hero-title {
    font-size: 2.75rem;
  }
  
  .hero-typing {
    font-size: 1.5rem;
  }
  
  .profile-frame {
    width: 280px;
    height: 280px;
  }
  
  .badge-pos-1 {
    left: -5%;
  }
  
  .badge-pos-2 {
    right: -5%;
  }
  
  .edu-card {
    padding: 2rem;
  }
  
  .edu-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
  
  .contact-form-container {
    padding: 2rem;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2.25rem;
  }
  
  .hero-typing {
    font-size: 1.25rem;
    min-height: 2.2rem;
  }
  
  .profile-frame {
    width: 240px;
    height: 240px;
  }
  
  .visual-badge {
    display: none; /* Hide visual badges on very small screens to prevent clutter */
  }
  
  .about-stats {
    grid-template-columns: 1fr;
  }
}