/*
  Yash Goswami Portfolio Stylesheet
  Theme: Modern, Premium, Technology-focused, Startup-inspired
  Fonts: Poppins (Headings), Inter (Body)
*/

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Poppins:wght@400;500;600;700;800&display=swap');

/* --- Design Tokens --- */
:root {
  --color-primary: #2563EB;
  --color-primary-hover: #1D4ED8;
  --color-secondary: #06B6D4;
  --color-secondary-hover: #0891B2;
  --color-dark: #111827;
  --color-dark-soft: #1F2937;
  --color-dark-card: #1E293B;
  --color-light: #F8FAFC;
  --color-light-soft: #F1F5F9;
  --color-border: #E2E8F0;
  --color-border-focus: #93C5FD;
  --color-text-main: #374151;
  --color-text-muted: #6B7280;
  --color-white: #FFFFFF;
  --color-success: #10B981;
  
  --font-headings: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  --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, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-glow: 0 0 20px rgba(37, 99, 235, 0.15);
  --shadow-glow-cyan: 0 0 20px rgba(6, 182, 212, 0.15);
  
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  
  --max-width: 1200px;
  --header-height: 80px;
}

/* --- Reset & Global --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  background-color: var(--color-light);
  color: var(--color-text-main);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-headings);
  color: var(--color-dark);
  font-weight: 700;
  line-height: 1.25;
}

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

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

input, textarea, button, select {
  font-family: inherit;
  font-size: inherit;
  outline: none;
}

ul {
  list-style: none;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--color-light);
}
::-webkit-scrollbar-thumb {
  background: #CBD5E1;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-light);
}
::-webkit-scrollbar-thumb:hover {
  background: #94A3B8;
}

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

.section {
  padding: 5rem 0;
}

.section-dark {
  background-color: var(--color-dark);
  color: var(--color-white);
}

.section-dark h2, .section-dark h3 {
  color: var(--color-white);
}

.section-dark .section-subtitle {
  color: var(--color-secondary);
}

/* --- Section Header Helper --- */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 4rem auto;
}

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

.section-title::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -10px;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  border-radius: var(--radius-full);
}

.section-header-left {
  text-align: left;
  max-width: 100%;
  margin-bottom: 3rem;
}

.section-header-left .section-title::after {
  left: 0;
  transform: none;
}

.section-subtitle {
  color: var(--color-primary);
  font-family: var(--font-headings);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
  display: block;
}

/* --- Sticky Header / Navbar --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: rgba(248, 250, 252, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
  z-index: 1000;
  transition: var(--transition-normal);
}

.header.scrolled {
  height: 70px;
  box-shadow: var(--shadow-md);
  background-color: rgba(255, 255, 255, 0.9);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}

.logo {
  font-family: var(--font-headings);
  font-size: 1.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-dot {
  width: 8px;
  height: 8px;
  background-color: var(--color-secondary);
  border-radius: 50%;
  display: inline-block;
}

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

.nav-link {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--color-text-main);
  position: relative;
  padding: 0.5rem 0;
}

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

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

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

.nav-btn {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: var(--color-white);
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  box-shadow: var(--shadow-glow);
}

.nav-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(37, 99, 235, 0.25);
  color: var(--color-white);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 30px;
  height: 24px;
  position: relative;
  z-index: 1001;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 3px;
  background-color: var(--color-dark);
  border-radius: 3px;
  position: absolute;
  transition: var(--transition-normal);
}

.menu-toggle span:nth-child(1) { top: 0; }
.menu-toggle span:nth-child(2) { top: 10px; }
.menu-toggle span:nth-child(3) { top: 20px; }

.menu-toggle.open span:nth-child(1) {
  transform: rotate(45deg);
  top: 10px;
}
.menu-toggle.open span:nth-child(2) {
  opacity: 0;
}
.menu-toggle.open span:nth-child(3) {
  transform: rotate(-45deg);
  top: 10px;
}

/* --- Components --- */

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: var(--transition-normal);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: var(--color-white);
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(37, 99, 235, 0.3);
}

.btn-secondary {
  background-color: var(--color-dark);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
  transform: translateY(-3px);
  background-color: var(--color-dark-soft);
  box-shadow: var(--shadow-lg);
}

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

.btn-outline:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.5rem;
}

/* Cards */
.card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(37, 99, 235, 0.2);
}

/* Glass Card */
.glass-card {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow: var(--shadow-lg);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background-color: var(--color-light-soft);
  color: var(--color-text-main);
  transition: var(--transition-fast);
}

.badge-primary {
  background-color: rgba(37, 99, 235, 0.1);
  color: var(--color-primary);
}

.badge-secondary {
  background-color: rgba(6, 182, 212, 0.1);
  color: var(--color-secondary);
}

/* --- Hero Section --- */
.hero-section {
  padding-top: calc(var(--header-height) + 3rem);
  padding-bottom: 5rem;
  min-height: 90vh;
  display: flex;
  align-items: center;
  background: radial-gradient(circle at 80% 20%, rgba(6, 182, 212, 0.05) 0%, rgba(37, 99, 235, 0.03) 50%, transparent 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: center;
}

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

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
  color: var(--color-primary);
}

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

.hero-title {
  font-size: 4rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1rem;
}

.hero-title span {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-dark-soft);
  margin-bottom: 1.5rem;
  line-height: 1.3;
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}

.hero-image-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero-image-frame {
  width: 320px;
  height: 380px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-xl);
  z-index: 2;
  border: 4px solid var(--color-white);
}

.hero-image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-bg-glow {
  position: absolute;
  top: -20px;
  right: -20px;
  bottom: -20px;
  left: -20px;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.2), rgba(6, 182, 212, 0.2));
  filter: blur(20px);
  border-radius: var(--radius-lg);
  z-index: 1;
}

.hero-stats-badge {
  position: absolute;
  bottom: 20px;
  left: -30px;
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  padding: 0.75rem 1.25rem;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  z-index: 3;
  border: 1px solid var(--color-border);
}

.hero-stats-badge i {
  font-size: 1.5rem;
  color: var(--color-secondary);
}

.hero-stats-num {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-dark);
}

.hero-stats-lbl {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  font-weight: 600;
}

/* --- About Summary Section --- */
.about-summary-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 4rem;
  align-items: center;
}

.about-summary-content p {
  margin-bottom: 1.5rem;
  font-size: 1.05rem;
  color: var(--color-text-main);
}

.about-summary-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

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

.stat-num {
  font-size: 2.25rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: block;
}

.stat-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  margin-top: 0.25rem;
}

/* --- Skills Section --- */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.skill-card {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.skill-icon {
  width: 48px;
  height: 48px;
  background-color: rgba(37, 99, 235, 0.05);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-bottom: 1.25rem;
  font-size: 1.5rem;
  transition: var(--transition-fast);
}

.skill-card:hover .skill-icon {
  background-color: var(--color-primary);
  color: var(--color-white);
  transform: scale(1.1);
}

.skill-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.skill-card p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.skill-level-bar {
  width: 100%;
  height: 6px;
  background-color: var(--color-light-soft);
  border-radius: var(--radius-full);
  margin-top: auto;
  overflow: hidden;
}

.skill-level-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  border-radius: var(--radius-full);
  width: 0; /* Animated dynamically by JS or set explicitly */
  transition: width 1.5s cubic-bezier(0.1, 1, 0.1, 1);
}

/* --- Projects Section --- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.project-card {
  padding: 0;
  display: flex;
  flex-direction: column;
  height: 100%;
}

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

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

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

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, transparent 40%, rgba(17, 24, 39, 0.8) 100%);
  display: flex;
  align-items: flex-end;
  padding: 1.5rem;
  opacity: 0;
  transition: var(--transition-normal);
  z-index: 2;
}

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

.project-badge-top {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 3;
}

.project-content {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

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

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  margin-top: auto;
}

.project-link {
  font-weight: 600;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.project-link:hover {
  color: var(--color-secondary);
}

.project-link i {
  transition: var(--transition-fast);
}

.project-link:hover i {
  transform: translateX(3px);
}

/* --- Services Section --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.service-card {
  padding: 2.5rem 2rem;
  text-align: center;
}

.service-icon-box {
  width: 70px;
  height: 70px;
  background-color: rgba(37, 99, 235, 0.05);
  color: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem auto;
  font-size: 1.75rem;
  transition: var(--transition-normal);
}

.service-card:hover .service-icon-box {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: var(--color-white);
  box-shadow: var(--shadow-glow);
}

.service-card h3 {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.service-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.service-bullets {
  text-align: left;
  margin-top: 1.5rem;
  border-top: 1px solid var(--color-border);
  padding-top: 1.5rem;
}

.service-bullets li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  margin-bottom: 0.75rem;
  color: var(--color-text-main);
}

.service-bullets li i {
  color: var(--color-success);
}

/* --- Why Work With Me Section --- */
.why-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: center;
}

.why-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.why-feature-card {
  padding: 1.5rem;
}

.why-feature-card i {
  font-size: 1.5rem;
  color: var(--color-secondary);
  margin-bottom: 0.75rem;
  display: inline-block;
}

.why-feature-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.why-feature-card p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* --- Testimonials Section --- */
.testimonials-slider {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}

.testimonial-card {
  text-align: center;
  padding: 3rem 2.5rem;
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
}

.testimonial-quote-icon {
  font-size: 3rem;
  color: rgba(37, 99, 235, 0.1);
  margin-bottom: 1.5rem;
}

.testimonial-text {
  font-size: 1.2rem;
  font-style: italic;
  color: var(--color-text-main);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.testimonial-author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.testimonial-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: var(--color-light-soft);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  border: 2px solid var(--color-primary);
}

.testimonial-info {
  text-align: left;
}

.testimonial-name {
  font-weight: 700;
  color: var(--color-dark);
}

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

.slider-dots {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 2rem;
}

.slider-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--color-border);
  cursor: pointer;
  transition: var(--transition-fast);
}

.slider-dot.active {
  background-color: var(--color-primary);
  transform: scale(1.2);
}

/* --- Contact & Footer --- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 4rem;
}

.contact-info-list {
  margin: 2rem 0;
}

.contact-info-item {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.contact-info-icon {
  width: 50px;
  height: 50px;
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 1.25rem;
  transition: var(--transition-fast);
}

.contact-info-item:hover .contact-info-icon {
  background-color: var(--color-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-glow);
}

.contact-info-lbl {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  font-weight: 600;
}

.contact-info-val {
  font-weight: 600;
  color: var(--color-dark);
  font-size: 1.05rem;
}

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
}

.social-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  color: var(--color-text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.social-icon:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

/* Form Styles */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 0.5rem;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-dark);
  transition: var(--transition-fast);
}

.form-control:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

.form-status {
  padding: 1rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.5rem;
  display: none;
}

.form-status.success {
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--color-success);
  border: 1px solid rgba(16, 185, 129, 0.2);
  display: block;
}

.form-status.error {
  background-color: rgba(239, 68, 68, 0.1);
  color: #EF4444;
  border: 1px solid rgba(239, 68, 68, 0.2);
  display: block;
}

/* --- Footer --- */
.footer {
  background-color: var(--color-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 4rem 0 2rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer h3, .footer h4 {
  color: var(--color-white);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.5fr;
  gap: 4rem;
  margin-bottom: 3rem;
}

.footer-logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 1rem;
  display: block;
}

.footer-about p {
  font-size: 0.9rem;
  line-height: 1.6;
}

.footer-links h4, .footer-contact h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-links h4::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 30px;
  height: 2px;
  background-color: var(--color-secondary);
}

.footer-links-list li {
  margin-bottom: 0.75rem;
}

.footer-links-list a {
  font-size: 0.9rem;
}

.footer-links-list a:hover {
  color: var(--color-secondary);
  padding-left: 5px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
}

/* --- Back To Top --- */
.back-to-top {
  position: fixed;
  bottom: 25px;
  right: 25px;
  width: 45px;
  height: 45px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  z-index: 99;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-normal);
  border: none;
  font-size: 1rem;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(37, 99, 235, 0.3);
}

/* --- About Page Specific Styles --- */
.about-profile-card {
  text-align: center;
}

.about-details-content h3 {
  font-size: 1.25rem;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
  margin-top: 1.5rem;
}

.about-details-content p {
  color: var(--color-text-main);
  margin-bottom: 1rem;
  font-size: 1rem;
  line-height: 1.7;
}

/* --- Resume Page Specific Styles --- */
.resume-container {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 3rem;
  box-shadow: var(--shadow-sm);
}

.no-print {
  /* Visible on screen, hidden on print via @media print in resume.html */
}

/* --- Portfolio Page Specific Styles --- */
.portfolio-filter-nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 3rem;
}

.filter-btn {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--color-text-main);
  cursor: pointer;
  transition: var(--transition-fast);
}

.filter-btn:hover, .filter-btn.active {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
}

.portfolio-item {
  display: none; /* Controlled by JS filters */
  animation: fadeIn 0.5s ease forwards;
}

.portfolio-item.show {
  display: block;
}

/* --- Project Details Page Specific Styles --- */
.project-details-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 3rem;
  margin-top: 2rem;
}

.project-meta-box {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: calc(var(--header-height) + 2rem);
}

.project-meta-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 0.75rem;
}

.project-meta-item {
  display: flex;
  justify-content: space-between;
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.project-meta-lbl {
  font-weight: 600;
  color: var(--color-text-muted);
}

.project-meta-val {
  font-weight: 700;
  color: var(--color-dark);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

.gallery-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 2px solid var(--color-white);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-normal);
}

.gallery-item:hover img {
  transform: scale(1.03);
}

/* --- Resume Page Specific Styles --- */
.resume-section-wrapper {
  margin-bottom: 4rem;
}

.resume-header {
  border-bottom: 2px solid var(--color-border);
  padding-bottom: 2rem;
  margin-bottom: 3rem;
}

.timeline {
  position: relative;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 5px;
  top: 0;
  width: 2px;
  height: 100%;
  background-color: var(--color-border);
}

.timeline-item {
  position: relative;
  margin-bottom: 3rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -32px;
  top: 5px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--color-white);
  border: 3px solid var(--color-primary);
  z-index: 2;
  transition: var(--transition-fast);
}

.timeline-item:hover::before {
  background-color: var(--color-primary);
  transform: scale(1.2);
}

.timeline-date {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-secondary);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  display: block;
}

.timeline-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 0.25rem;
}

.timeline-org {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text-main);
  margin-bottom: 1rem;
  display: block;
}

.timeline-desc {
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

.timeline-desc ul {
  margin-top: 0.75rem;
  padding-left: 1.25rem;
  list-style-type: disc;
}

.timeline-desc li {
  margin-bottom: 0.5rem;
}

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

.skills-matrix-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.skills-matrix-list li {
  margin-bottom: 1.25rem;
}

.skills-matrix-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.skills-matrix-bar {
  width: 100%;
  height: 8px;
  background-color: var(--color-light-soft);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.skills-matrix-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  border-radius: var(--radius-full);
}

/* --- Services Page Specific Details --- */
.services-detailed-list {
  display: flex;
  flex-direction: column;
  gap: 4rem;
}

.service-detail-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.service-detail-row:nth-child(even) {
  direction: rtl;
}

.service-detail-row:nth-child(even) .service-detail-text {
  direction: ltr;
}

.service-detail-text h3 {
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: 1.25rem;
}

.service-detail-text p {
  font-size: 1rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.service-detail-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.service-detail-feature {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  font-weight: 600;
}

.service-detail-feature i {
  color: var(--color-secondary);
}

/* --- Animations --- */
@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);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in {
  animation: fadeIn 0.8s ease forwards;
}

/* --- Responsive Media Queries --- */

@media (max-width: 1024px) {
  .hero-title {
    font-size: 3.25rem;
  }
  .about-summary-grid, .why-grid, .contact-grid, .footer-grid {
    gap: 2.5rem;
  }
  .project-details-grid {
    grid-template-columns: 1.5fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 70px;
  }
  .section {
    padding: 4rem 0;
  }
  .menu-toggle {
    display: block;
  }
  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: -100%;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background-color: var(--color-white);
    flex-direction: column;
    align-items: center;
    padding: 3rem 0;
    gap: 2rem;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-lg);
    z-index: 999;
  }
  .nav-menu.open {
    left: 0;
  }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
  }
  .hero-content {
    max-width: 100%;
    order: 2;
  }
  .hero-image-wrapper {
    order: 1;
  }
  .hero-tag {
    justify-content: center;
  }
  .btn-group {
    justify-content: center;
  }
  .about-summary-grid, .why-grid, .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .about-summary-stats {
    max-width: 500px;
    margin: 2rem auto 0 auto;
  }
  .why-features {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    text-align: center;
  }
  .footer-links h4::after {
    left: 50%;
    transform: translateX(-50%);
  }
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
  .project-details-grid {
    grid-template-columns: 1fr;
  }
  .project-meta-box {
    position: static;
  }
  .skills-matrix-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .service-detail-row {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .service-detail-row:nth-child(even) {
    direction: ltr;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2.5rem;
  }
  .hero-subtitle {
    font-size: 1.2rem;
  }
  .hero-image-frame {
    width: 260px;
    height: 310px;
  }
  .hero-stats-badge {
    left: -15px;
    padding: 0.5rem 1rem;
  }
  .section-title {
    font-size: 2rem;
  }
  .about-summary-stats {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .gallery-grid {
    grid-template-columns: 1fr;
  }
}