/* -------------------------------------------------------------
   STYLE SYSTEM FOR SAMSON TEJAS PORTFOLIO
   ------------------------------------------------------------- */

/* Variables & Themes */
:root {
  /* Common variables */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  --border-radius-sm: 6px;
  --border-radius-md: 12px;
  --border-radius-lg: 20px;
  --border-radius-circle: 50%;

  /* Dark Theme Default variables */
  --bg-color: #0b0f19;
  --bg-color-alt: #111827;
  --text-color: #e2e8f0;
  --text-muted: #94a3b8;
  
  --primary-color: #6366f1;
  --secondary-color: #a855f7;
  --accent-color: #ec4899;
  --accent-gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #ec4899 100%);
  --accent-gradient-hover: linear-gradient(135deg, #4f46e5 0%, #9333ea 50%, #db2777 100%);
  
  --card-bg: rgba(17, 24, 39, 0.6);
  --card-border: rgba(255, 255, 255, 0.08);
  --card-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  --card-hover-border: rgba(99, 102, 241, 0.4);
  
  --navbar-bg: rgba(11, 15, 25, 0.8);
  --navbar-border: rgba(255, 255, 255, 0.05);
  
  --input-bg: rgba(17, 24, 39, 0.8);
  --input-border: rgba(255, 255, 255, 0.1);
  --input-focus-border: #6366f1;
  
  --scrollbar-bg: #0b0f19;
  --scrollbar-thumb: #1f2937;
}

[data-theme="light"] {
  --bg-color: #f8fafc;
  --bg-color-alt: #f1f5f9;
  --text-color: #0f172a;
  --text-muted: #475569;
  
  --primary-color: #4f46e5;
  --secondary-color: #8b5cf6;
  --accent-color: #db2777;
  --accent-gradient: linear-gradient(135deg, #4f46e5 0%, #8b5cf6 50%, #db2777 100%);
  --accent-gradient-hover: linear-gradient(135deg, #3730a3 0%, #6d28d9 50%, #be185d 100%);
  
  --card-bg: rgba(255, 255, 255, 0.75);
  --card-border: rgba(0, 0, 0, 0.06);
  --card-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.08);
  --card-hover-border: rgba(79, 70, 229, 0.4);
  
  --navbar-bg: rgba(248, 250, 252, 0.85);
  --navbar-border: rgba(0, 0, 0, 0.05);
  
  --input-bg: #ffffff;
  --input-border: rgba(0, 0, 0, 0.12);
  --input-focus-border: #4f46e5;
  
  --scrollbar-bg: #f8fafc;
  --scrollbar-thumb: #cbd5e1;
}

/* -------------------------------------------------------------
   GLOBAL STYLES & RESET
   ------------------------------------------------------------- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  scroll-behavior: smooth;
}

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

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

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

button, input, textarea {
  font-family: inherit;
  background: none;
  border: none;
  outline: none;
}

/* Scrollbar customization */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--scrollbar-bg);
}
::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary-color);
}

/* -------------------------------------------------------------
   REUSABLE UTILITIES & COMPONENTS
   ------------------------------------------------------------- */
.section-padding {
  padding: 100px 0;
}

.section-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  position: relative;
  display: inline-block;
}

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

.section-subtitle {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-top: 15px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--border-radius-md);
  cursor: pointer;
  transition: all var(--transition-normal);
  gap: 8px;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #ffffff;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  background: var(--accent-gradient-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(99, 102, 241, 0.45);
}

.btn-outline {
  border: 2px solid var(--text-color);
  color: var(--text-color);
  backdrop-filter: blur(4px);
}

.btn-outline:hover {
  background-color: var(--text-color);
  color: var(--bg-color);
  transform: translateY(-2px);
}

.btn-icon {
  width: 18px;
  height: 18px;
  transition: transform var(--transition-normal);
}

.btn-primary:hover .btn-icon {
  transform: translateX(4px);
}

/* Glassmorphic Cards Base */
.glass-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  backdrop-filter: blur(12px) saturate(180%);
  -webkit-backdrop-filter: blur(12px) saturate(180%);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--card-shadow);
  transition: border-color var(--transition-normal), transform var(--transition-normal), box-shadow var(--transition-normal);
}

/* -------------------------------------------------------------
   NAVBAR STYLING
   ------------------------------------------------------------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 80px;
  z-index: 1000;
  background: var(--navbar-bg);
  border-bottom: 1px solid var(--navbar-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: background var(--transition-normal), border var(--transition-normal), height var(--transition-normal);
}

.navbar.scrolled {
  height: 70px;
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.15);
}

.nav-container {
  max-width: 1200px;
  height: 100%;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text-color);
}

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

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-muted);
  position: relative;
  padding: 8px 0;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gradient);
  transition: width var(--transition-normal);
  border-radius: 1px;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

/* Theme Toggle Button */
.theme-toggle-btn {
  width: 44px;
  height: 44px;
  border-radius: var(--border-radius-circle);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-color);
  transition: all var(--transition-normal);
}

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

.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;
}

/* Hamburger menu */
.hamburger {
  display: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
}

.hamburger .bar {
  display: block;
  width: 25px;
  height: 3px;
  border-radius: 3px;
  background-color: var(--text-color);
  transition: all var(--transition-normal);
}

/* -------------------------------------------------------------
   HERO SECTION STYLING
   ------------------------------------------------------------- */
.hero-section {
  position: relative;
  min-h: 100vh;
  display: flex;
  align-items: center;
  background-image: url('images/hero.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
  padding-top: 80px;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, var(--bg-color) 45%, rgba(11, 15, 25, 0.45) 80%, transparent 100%);
  transition: background var(--transition-normal);
  z-index: 1;
}

[data-theme="light"] .hero-overlay {
  background: linear-gradient(to right, var(--bg-color) 45%, rgba(248, 250, 252, 0.6) 80%, transparent 100%);
}

.hero-container {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 2;
}

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

.hero-subtitle {
  color: var(--primary-color);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.9rem;
  margin-bottom: 12px;
  text-shadow: 1px 1px 2px rgba(0,0,0,0.1);
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 4rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 12px;
  text-shadow: 2px 2px 6px rgba(0,0,0,0.2);
}

.hero-typing-container {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 600;
  color: var(--secondary-color);
  margin-bottom: 24px;
  height: 40px; /* Prevent layout shifting */
}

.cursor {
  animation: blink 0.7s infinite;
}

.hero-description {
  font-size: 1.1rem;
  color: var(--text-color);
  opacity: 0.9;
  margin-bottom: 36px;
  background: rgba(11, 15, 25, 0.4);
  backdrop-filter: blur(8px);
  padding: 16px;
  border-radius: var(--border-radius-md);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

[data-theme="light"] .hero-description {
  background: rgba(248, 250, 252, 0.55);
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.hero-cta {
  display: flex;
  gap: 16px;
  margin-bottom: 40px;
}

.social-links {
  display: flex;
  gap: 16px;
}

.social-links a {
  width: 44px;
  height: 44px;
  border-radius: var(--border-radius-circle);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-color);
  transition: all var(--transition-normal);
  backdrop-filter: blur(4px);
}

[data-theme="light"] .social-links a {
  background: rgba(0, 0, 0, 0.04);
  border: 1px solid rgba(0, 0, 0, 0.06);
}

.social-links a:hover {
  color: #ffffff;
  background: var(--accent-gradient);
  border-color: transparent;
  transform: translateY(-3px);
  box-shadow: 0 4px 12px rgba(168, 85, 247, 0.3);
}

/* -------------------------------------------------------------
   ABOUT SECTION STYLING
   ------------------------------------------------------------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 60px;
  align-items: center;
}

.about-image-container {
  width: 100%;
  max-width: 380px;
  justify-self: center;
  position: relative;
}

.about-image-container::before {
  content: '';
  position: absolute;
  inset: 15px -15px -15px 15px;
  border: 3px solid var(--primary-color);
  border-radius: var(--border-radius-lg);
  z-index: 1;
  transition: all var(--transition-normal);
}

.about-img {
  border-radius: var(--border-radius-lg);
  box-shadow: var(--card-shadow);
  position: relative;
  z-index: 2;
  transition: all var(--transition-normal);
  aspect-ratio: 4/5;
  object-fit: cover;
}

.about-image-container:hover::before {
  transform: translate(-8px, 8px);
}

.about-image-container:hover .about-img {
  transform: translate(8px, -8px);
}

.about-content h3 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  margin-bottom: 20px;
  color: var(--text-color);
}

.about-content p {
  color: var(--text-muted);
  margin-bottom: 20px;
}

.bio-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 30px;
  margin-bottom: 35px;
}

.bio-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius-md);
  box-shadow: var(--card-shadow);
  transition: all var(--transition-normal);
}

.bio-card:hover {
  background: rgba(99, 102, 241, 0.06);
  border-color: var(--card-hover-border);
}

.bio-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--border-radius-md);
  background: rgba(99, 102, 241, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-color);
  flex-shrink: 0;
}

.bio-info h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 2px;
}

.bio-info p {
  font-size: 0.85rem;
  margin-bottom: 0;
  color: var(--text-muted);
}

/* -------------------------------------------------------------
   SKILLS SECTION STYLING
   ------------------------------------------------------------- */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 30px;
}

.skill-category-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius-lg);
  padding: 30px;
  box-shadow: var(--card-shadow);
  transition: all var(--transition-normal);
}

.skill-category-card:hover {
  transform: translateY(-5px);
  border-color: var(--card-hover-border);
}

.category-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.category-icon {
  width: 22px;
  height: 22px;
}

.category-icon.text-primary { color: var(--primary-color); }
.category-icon.text-secondary { color: var(--secondary-color); }
.category-icon.text-accent { color: var(--accent-color); }

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

.skill-info {
  display: flex;
  justify-content: space-between;
  font-weight: 500;
  font-size: 0.95rem;
  margin-bottom: 8px;
}

.progress-bar {
  width: 100%;
  height: 6px;
  background-color: var(--bg-color-alt);
  border-radius: 3px;
  overflow: hidden;
  position: relative;
}

.progress-value {
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  border-radius: 3px;
  width: 0; /* Animated dynamically or fallback via Custom Property */
  width: var(--percent);
  transition: width var(--transition-slow);
}

.progress-primary {
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

.progress-secondary {
  background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
}

.progress-accent {
  background: linear-gradient(90deg, var(--accent-color), var(--primary-color));
}

/* -------------------------------------------------------------
   PROJECTS SECTION STYLING
   ------------------------------------------------------------- */
.filter-controls {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 45px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 10px 24px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--border-radius-md);
  border: 1px solid var(--card-border);
  background: var(--card-bg);
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover, .filter-btn.active {
  background: var(--accent-gradient);
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(168, 85, 247, 0.2);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 30px;
}

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

.project-card:hover {
  transform: translateY(-6px);
  border-color: var(--card-hover-border);
  box-shadow: 0 15px 35px -10px rgba(0, 0, 0, 0.35);
}

[data-theme="light"] .project-card:hover {
  box-shadow: 0 15px 35px -10px rgba(0, 0, 0, 0.08);
}

.project-img-wrapper {
  position: relative;
  width: 100%;
  height: 220px;
  overflow: hidden;
}

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

.project-card:hover .project-img {
  transform: scale(1.05);
}

.project-tag {
  position: absolute;
  top: 16px;
  right: 16px;
  padding: 4px 12px;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 12px;
  z-index: 2;
  text-transform: uppercase;
}

.tag-web {
  background: rgba(99, 102, 241, 0.2);
  color: #818cf8;
  border: 1px solid rgba(99, 102, 241, 0.3);
}

.tag-frontend {
  background: rgba(168, 85, 247, 0.2);
  color: #c084fc;
  border: 1px solid rgba(168, 85, 247, 0.3);
}

.tag-backend {
  background: rgba(236, 72, 153, 0.2);
  color: #f472b6;
  border: 1px solid rgba(236, 72, 153, 0.3);
}

[data-theme="light"] .tag-web { background: rgba(79, 70, 229, 0.1); color: #4f46e5; }
[data-theme="light"] .tag-frontend { background: rgba(139, 92, 246, 0.1); color: #8b5cf6; }
[data-theme="light"] .tag-backend { background: rgba(219, 39, 119, 0.1); color: #db2777; }

.project-info {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-card-title {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.project-card-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.project-achievement {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  margin-bottom: 16px;
  font-size: 0.85rem;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.03);
  border-left: 3px solid var(--primary-color);
  border-radius: 0 6px 6px 0;
}

[data-theme="light"] .project-achievement {
  background: rgba(0, 0, 0, 0.02);
}

.trophy-icon {
  width: 16px;
  height: 16px;
  color: #eab308;
  flex-shrink: 0;
  margin-top: 2px;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.project-tech span {
  font-size: 0.75rem;
  padding: 4px 10px;
  background-color: var(--bg-color-alt);
  border-radius: 12px;
  color: var(--text-muted);
  border: 1px solid var(--card-border);
}

.project-links {
  display: flex;
  gap: 16px;
  margin-top: auto;
  border-top: 1px solid var(--card-border);
  padding-top: 16px;
  font-size: 0.9rem;
  font-weight: 600;
}

.project-link-item {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--primary-color);
}

.project-link-item:hover {
  text-decoration: underline;
}

.project-link-item i {
  width: 16px;
  height: 16px;
}

/* -------------------------------------------------------------
   CONTACT SECTION STYLING
   ------------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 2fr 3fr;
  gap: 50px;
}

.contact-info-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius-lg);
  padding: 40px;
  box-shadow: var(--card-shadow);
  display: flex;
  flex-direction: column;
}

.contact-info-card h3 {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  margin-bottom: 30px;
}

.contact-detail-items {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-bottom: 40px;
}

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

.contact-detail-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--border-radius-md);
  background: rgba(99, 102, 241, 0.1);
  color: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-detail-item h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.contact-detail-item p, .contact-detail-item a {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.contact-detail-item a:hover {
  color: var(--primary-color);
}

.contact-socials h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 16px;
}

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

.social-circles a {
  width: 44px;
  height: 44px;
  border-radius: var(--border-radius-circle);
  background-color: var(--bg-color-alt);
  border: 1px solid var(--card-border);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-normal);
}

.social-circles a:hover {
  background-color: var(--primary-color);
  color: #ffffff;
  border-color: transparent;
  transform: translateY(-3px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

/* Contact Form Card */
.contact-form-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius-lg);
  padding: 40px;
  box-shadow: var(--card-shadow);
}

.contact-form-card h3 {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  margin-bottom: 30px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 0.9rem;
  font-weight: 600;
}

.form-group input, .form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background-color: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: var(--border-radius-md);
  color: var(--text-color);
  transition: border-color var(--transition-fast);
  font-size: 0.95rem;
}

.form-group input:focus, .form-group textarea:focus {
  border-color: var(--input-focus-border);
}

.form-group textarea {
  resize: vertical;
}

.checkbox-group {
  flex-direction: row;
  align-items: flex-start;
  gap: 10px;
}

.checkbox-group input {
  width: auto;
  margin-top: 4px;
}

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

.error-msg {
  color: #f87171;
  font-size: 0.8rem;
  margin-top: -4px;
  display: none;
}

.btn-submit {
  width: 100%;
  margin-top: 10px;
}

.btn-submit.loading span {
  opacity: 0.7;
}

/* Alert styles */
.form-alert {
  padding: 16px;
  border-radius: var(--border-radius-md);
  margin-bottom: 20px;
  font-size: 0.95rem;
}

.form-alert.success {
  background-color: rgba(34, 197, 94, 0.15);
  color: #4ade80;
  border: 1px solid rgba(34, 197, 94, 0.25);
}

.form-alert.error {
  background-color: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.25);
}

.hidden {
  display: none;
}

/* -------------------------------------------------------------
   FOOTER STYLING
   ------------------------------------------------------------- */
.footer {
  background-color: var(--bg-color-alt);
  border-top: 1px solid var(--navbar-border);
  padding: 40px 0;
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-credit {
  font-size: 0.8rem;
  opacity: 0.8;
}

/* -------------------------------------------------------------
   ANIMATIONS
   ------------------------------------------------------------- */
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* -------------------------------------------------------------
   RESPONSIVE DESIGN (BREAKPOINTS)
   ------------------------------------------------------------- */
@media (max-width: 992px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .about-image-container {
    max-width: 300px;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .section-padding {
    padding: 70px 0;
  }
  
  .hero-title {
    font-size: 3rem;
  }
  
  .hero-typing-container {
    font-size: 1.5rem;
  }
  
  /* Hamburger and Mobile Navigation */
  .hamburger {
    display: flex;
  }
  
  .hamburger.active .bar:nth-child(2) {
    opacity: 0;
  }
  
  .hamburger.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  
  .hamburger.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }
  
  .nav-menu {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background-color: var(--bg-color);
    flex-direction: column;
    padding: 50px 24px;
    gap: 40px;
    transition: left var(--transition-normal);
    backdrop-filter: none;
    border-top: 1px solid var(--navbar-border);
    z-index: 999;
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .nav-link {
    font-size: 1.2rem;
  }
  
  .bio-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2.3rem;
  }
  
  .hero-cta {
    flex-direction: column;
  }
  
  .btn {
    width: 100%;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .contact-info-card, .contact-form-card {
    padding: 24px;
  }
}