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

:root {
  --font-family-title: 'Outfit', sans-serif;
  --font-family-body: 'Inter', sans-serif;
  
  /* Dark Mode Palette (Default) */
  --bg-primary: #08090d;
  --bg-secondary: #0f111a;
  --bg-tertiary: #161926;
  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  
  --accent-primary: #8b5cf6; /* Electric Violet */
  --accent-secondary: #06b6d4; /* Neon Cyan */
  --accent-gradient: linear-gradient(135deg, #8b5cf6 0%, #06b6d4 100%);
  --accent-glow: rgba(139, 92, 246, 0.15);
  
  --border-color: rgba(255, 255, 255, 0.08);
  --card-bg: rgba(15, 17, 26, 0.7);
  --card-hover-border: rgba(6, 182, 212, 0.4);
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.6);
  
  --transition-speed: 0.4s;
  --transition-timing: cubic-bezier(0.16, 1, 0.3, 1);
  --cursor-glow-color: rgba(139, 92, 246, 0.12);
}

[data-theme="light"] {
  /* Light Mode Palette */
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  
  --accent-primary: #6366f1; /* Modern Indigo */
  --accent-secondary: #0ea5e9; /* Sky Blue */
  --accent-gradient: linear-gradient(135deg, #6366f1 0%, #0ea5e9 100%);
  --accent-glow: rgba(99, 102, 241, 0.1);
  
  --border-color: rgba(0, 0, 0, 0.08);
  --card-bg: rgba(255, 255, 255, 0.8);
  --card-hover-border: rgba(14, 165, 233, 0.35);
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.12);
  --cursor-glow-color: rgba(99, 102, 241, 0.06);
}

/* ==========================================================================
   RESET & BASICS
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

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

img {
  max-width: 100%;
  display: block;
  border-radius: 12px;
}

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

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

ul {
  list-style: none;
}

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

section {
  padding: 8rem 0;
  position: relative;
}

/* Section Title Styling */
.section-header {
  text-align: center;
  margin-bottom: 5rem;
}

.section-tag {
  font-family: var(--font-family-title);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
  margin-bottom: 0.75rem;
}

.section-title {
  font-family: var(--font-family-title);
  font-size: 2.75rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.section-desc {
  color: var(--text-secondary);
  max-width: 600px;
  margin: 1rem auto 0 auto;
  font-size: 1.1rem;
}

/* Scroll Animation classes */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--transition-timing),
              transform 0.8s var(--transition-timing);
}

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

/* Custom Interactive Cursor Glow */
.cursor-glow {
  position: fixed;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--cursor-glow-color) 0%, rgba(0,0,0,0) 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  transform: translate(-50%, -50%);
  transition: width 0.3s, height 0.3s;
  mix-blend-mode: screen;
}

/* ==========================================================================
   NAVIGATION HEADER
   ========================================================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 1.5rem 0;
  transition: padding var(--transition-speed), background-color var(--transition-speed), backdrop-filter var(--transition-speed);
}

.header.scrolled {
  padding: 1rem 0;
  background-color: rgba(var(--bg-primary) == #08090d ? '8, 9, 13' : '248, 250, 252', 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
}

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

.logo {
  font-family: var(--font-family-title);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  background: var(--accent-gradient);
  -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(--accent-secondary);
  border-radius: 50%;
  display: inline-block;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

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

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

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

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

/* Theme Toggle Switch */
.theme-toggle-btn {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  color: var(--text-primary);
  transition: background-color var(--transition-speed), transform var(--transition-speed);
}

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

.theme-toggle-btn svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
  transition: transform var(--transition-speed) var(--transition-timing);
}

/* Light theme icons switch */
[data-theme="light"] .theme-toggle-btn .sun-icon {
  display: none;
}
body:not([data-theme="light"]) .theme-toggle-btn .moon-icon {
  display: none;
}

.cta-nav-btn {
  background: var(--accent-gradient);
  color: #ffffff !important;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.75rem 1.5rem;
  border-radius: 30px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.cta-nav-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(139, 92, 246, 0.4);
}

/* Hamburger menu button (hidden on desktop) */
.mobile-nav-toggle {
  display: none;
  cursor: pointer;
  flex-direction: column;
  gap: 6px;
  z-index: 110;
}

.mobile-nav-toggle span {
  width: 28px;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-speed) var(--transition-timing);
}

/* Mobile active menu state */
.mobile-nav-toggle.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 6px);
}
.mobile-nav-toggle.open span:nth-child(2) {
  opacity: 0;
}
.mobile-nav-toggle.open span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -7px);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 8rem;
  position: relative;
  overflow: hidden;
}

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

.hero-subtitle {
  font-family: var(--font-family-title);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-secondary);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.hero-subtitle::before {
  content: '';
  width: 24px;
  height: 2px;
  background-color: var(--accent-secondary);
  display: inline-block;
}

.hero-title {
  font-family: var(--font-family-title);
  font-size: 4.5rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

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

.hero-desc {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 580px;
}

.hero-buttons {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  margin-bottom: 3.5rem;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #ffffff;
  font-family: var(--font-family-title);
  font-weight: 600;
  font-size: 1rem;
  padding: 1.1rem 2.2rem;
  border-radius: 50px;
  cursor: pointer;
  box-shadow: 0 10px 30px rgba(139, 92, 246, 0.35);
  transition: transform var(--transition-speed), box-shadow var(--transition-speed);
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 35px rgba(139, 92, 246, 0.5);
}

.btn-secondary {
  border: 1px solid var(--border-color);
  background-color: rgba(var(--bg-tertiary) == #161926 ? '22, 25, 38' : '241, 245, 249', 0.5);
  color: var(--text-primary);
  font-family: var(--font-family-title);
  font-weight: 600;
  font-size: 1rem;
  padding: 1.1rem 2.2rem;
  border-radius: 50px;
  cursor: pointer;
  transition: background-color var(--transition-speed), border-color var(--transition-speed), transform var(--transition-speed);
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-secondary:hover {
  background-color: var(--bg-tertiary);
  border-color: var(--accent-secondary);
  transform: translateY(-3px);
}

/* Trust Indicators / Badges */
.hero-stats {
  display: flex;
  gap: 3.5rem;
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
}

.stat-item h3 {
  font-family: var(--font-family-title);
  font-size: 2.25rem;
  font-weight: 700;
  line-height: 1;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.25rem;
}

.stat-item p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

/* Creative Floating Avatar Frame */
.hero-image-container {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-blob {
  position: absolute;
  width: 110%;
  height: 110%;
  background: radial-gradient(circle, var(--accent-glow) 0%, rgba(0,0,0,0) 70%);
  filter: blur(20px);
  z-index: -1;
  animation: blob-float 8s ease-in-out infinite alternate;
}

.avatar-wrapper {
  position: relative;
  border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
  width: 380px;
  height: 380px;
  background: var(--accent-gradient);
  padding: 5px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  animation: morph-avatar 12s ease-in-out infinite alternate;
}

.avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: inherit;
  background-color: var(--bg-secondary);
}

/* ==========================================================================
   PORTFOLIO GALLERY
   ========================================================================== */
.portfolio-filters {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 4rem;
  flex-wrap: wrap;
}

.filter-btn {
  font-family: var(--font-family-title);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.65rem 1.5rem;
  border-radius: 30px;
  cursor: pointer;
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  background-color: var(--card-bg);
  transition: all var(--transition-speed) var(--transition-timing);
}

.filter-btn:hover, .filter-btn.active {
  color: #ffffff;
  background: var(--accent-gradient);
  border-color: transparent;
  box-shadow: 0 5px 15px rgba(139, 92, 246, 0.25);
}

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

.portfolio-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  cursor: pointer;
  transition: transform var(--transition-speed) var(--transition-timing),
              border-color var(--transition-speed) var(--transition-timing),
              box-shadow var(--transition-speed) var(--transition-timing);
  display: flex;
  flex-direction: column;
}

.portfolio-card:hover {
  transform: translateY(-8px);
  border-color: var(--card-hover-border);
  box-shadow: var(--shadow-lg), 0 0 25px rgba(6, 182, 212, 0.15);
}

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

.card-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0;
  transition: transform 0.6s var(--transition-timing);
}

.portfolio-card:hover .card-img-wrapper img {
  transform: scale(1.08);
}

.card-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(15, 17, 26, 0.9) 0%, rgba(15, 17, 26, 0.1) 80%);
  opacity: 0;
  transition: opacity var(--transition-speed);
  display: flex;
  align-items: flex-end;
  padding: 2rem;
}

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

.card-overlay-btn {
  background-color: #ffffff;
  color: #08090d;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: var(--shadow-md);
  transform: translateY(20px);
  transition: transform 0.4s var(--transition-timing);
}

.portfolio-card:hover .card-overlay-btn {
  transform: translateY(0);
}

.card-overlay-btn svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.card-info {
  padding: 1.75rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.card-cat {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-secondary);
  margin-bottom: 0.5rem;
}

.card-title {
  font-family: var(--font-family-title);
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.card-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ==========================================================================
   SKILLS & EXPERTISE
   ========================================================================== */
.skills-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.skills-content h3 {
  font-family: var(--font-family-title);
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.skills-content p {
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.tool-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 1.25rem;
  text-align: center;
  transition: transform var(--transition-speed), border-color var(--transition-speed);
}

.tool-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-primary);
}

.tool-card svg {
  width: 32px;
  height: 32px;
  margin-bottom: 0.75rem;
  fill: var(--text-primary);
}

.tool-card span {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.skills-bars {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.skill-bar-wrapper {
  width: 100%;
}

.skill-info {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.5rem;
  font-weight: 600;
  font-size: 0.95rem;
}

.skill-bar-bg {
  width: 100%;
  height: 8px;
  background-color: var(--bg-tertiary);
  border-radius: 4px;
  overflow: hidden;
}

.skill-bar-fill {
  height: 100%;
  background: var(--accent-gradient);
  border-radius: 4px;
  width: 0;
  transition: width 1.5s cubic-bezier(0.1, 0.8, 0.2, 1);
}

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

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 100%;
  background-color: var(--border-color);
}

.timeline-item {
  width: 50%;
  padding: 0 3rem;
  position: relative;
  margin-bottom: 4rem;
}

.timeline-item:nth-child(odd) {
  left: 0;
  text-align: right;
}

.timeline-item:nth-child(even) {
  left: 50%;
  text-align: left;
}

.timeline-dot {
  position: absolute;
  top: 5px;
  width: 18px;
  height: 18px;
  background: var(--accent-gradient);
  border: 4px solid var(--bg-primary);
  border-radius: 50%;
  box-shadow: 0 0 10px rgba(139, 92, 246, 0.5);
  z-index: 2;
  transition: background-color var(--transition-speed);
}

.timeline-item:nth-child(odd) .timeline-dot {
  right: -9px;
}

.timeline-item:nth-child(even) .timeline-dot {
  left: -9px;
}

.timeline-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  padding: 2rem;
  border-radius: 20px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-speed), border-color var(--transition-speed);
}

.timeline-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-secondary);
}

.timeline-date {
  font-family: var(--font-family-title);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--accent-secondary);
  margin-bottom: 0.5rem;
}

.timeline-card h3 {
  font-family: var(--font-family-title);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.timeline-company {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.timeline-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   TESTIMONIALS
   ========================================================================== */
.testimonials-slider-container {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

.testimonials-wrapper {
  display: flex;
  transition: transform 0.6s var(--transition-timing);
}

.testimonial-slide {
  min-width: 100%;
  padding: 0 1rem;
  text-align: center;
}

.testimonial-quote {
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--text-primary);
  line-height: 1.6;
  margin-bottom: 2rem;
  position: relative;
}

.testimonial-quote::before, .testimonial-quote::after {
  font-family: var(--font-family-title);
  font-size: 4rem;
  color: rgba(139, 92, 246, 0.15);
  position: absolute;
}

.testimonial-quote::before {
  content: '“';
  left: -20px;
  top: -30px;
}

.testimonial-quote::after {
  content: '”';
  right: -20px;
  bottom: -60px;
}

.testimonial-client {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.client-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: 2px solid var(--accent-primary);
}

.client-name {
  font-family: var(--font-family-title);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-primary);
}

.client-role {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

/* Controls */
.slider-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
  margin-top: 3.5rem;
}

.slider-arrow {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background-color: var(--card-bg);
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: all var(--transition-speed);
}

.slider-arrow:hover {
  background: var(--accent-gradient);
  border-color: transparent;
  color: #ffffff;
}

.slider-dots {
  display: flex;
  gap: 0.5rem;
}

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

.slider-dot.active {
  width: 24px;
  background-color: var(--accent-secondary);
  border-radius: 5px;
}

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 4rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

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

.contact-method {
  display: flex;
  gap: 1.25rem;
  align-items: center;
}

.contact-icon-box {
  width: 52px;
  height: 52px;
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  align-items: center;
  color: var(--accent-primary);
}

.contact-icon-box svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

.contact-method-text h4 {
  font-family: var(--font-family-title);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.contact-method-text p {
  font-weight: 600;
  color: var(--text-primary);
}

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

.social-btn {
  width: 48px;
  height: 48px;
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  color: var(--text-secondary);
  transition: all var(--transition-speed);
}

.social-btn:hover {
  transform: translateY(-3px);
  border-color: var(--accent-secondary);
  color: var(--text-primary);
}

.social-btn svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.form-group {
  position: relative;
  margin-bottom: 2rem;
}

.form-row .form-group {
  margin-bottom: 0;
}

.form-input {
  width: 100%;
  padding: 1rem 0;
  border-bottom: 2px solid var(--border-color);
  color: var(--text-primary);
  background: transparent;
  font-size: 1rem;
  transition: border-color var(--transition-speed);
}

.form-input:focus {
  border-color: var(--accent-primary);
}

.form-label {
  position: absolute;
  left: 0;
  top: 1rem;
  color: var(--text-muted);
  pointer-events: none;
  font-weight: 500;
  transition: top 0.3s, font-size 0.3s, color 0.3s;
}

.form-input:focus ~ .form-label,
.form-input:not(:placeholder-shown) ~ .form-label {
  top: -12px;
  font-size: 0.8rem;
  color: var(--accent-primary);
}

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

.form-status {
  margin-top: 1rem;
  font-weight: 600;
  display: none;
}

.form-status.success {
  display: block;
  color: #10b981;
}

.form-status.error {
  display: block;
  color: #ef4444;
}

/* ==========================================================================
   CASE STUDY MODAL
   ========================================================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(8, 9, 13, 0.95);
  z-index: 1000;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  pointer-events: none;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: opacity 0.5s var(--transition-timing);
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.modal-container {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  width: 90%;
  max-width: 1000px;
  height: 85vh;
  border-radius: 24px;
  box-shadow: var(--shadow-lg);
  overflow-y: auto;
  position: relative;
  transform: scale(0.9) translateY(40px);
  transition: transform 0.5s var(--transition-timing);
}

.modal-overlay.open .modal-container {
  transform: scale(1) translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 44px;
  height: 44px;
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  color: var(--text-primary);
  cursor: pointer;
  z-index: 10;
  transition: all var(--transition-speed);
}

.modal-close-btn:hover {
  background-color: var(--accent-secondary);
  color: #ffffff;
  border-color: transparent;
  transform: rotate(90deg);
}

.modal-close-btn svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.modal-hero {
  height: 350px;
  position: relative;
}

.modal-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0;
}

.modal-hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, var(--bg-secondary) 0%, rgba(15, 17, 26, 0.2) 100%);
}

.modal-content {
  padding: 3rem;
}

.modal-header {
  margin-bottom: 2.5rem;
}

.modal-cat {
  font-family: var(--font-family-title);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-secondary);
  margin-bottom: 0.5rem;
}

.modal-title {
  font-family: var(--font-family-title);
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.modal-meta-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 1.5rem 0;
}

.meta-item span {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.meta-item p {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
}

/* Modal Case Study details */
.case-study-body {
  margin-top: 2.5rem;
}

.cs-section {
  margin-bottom: 3rem;
}

.cs-section h3 {
  font-family: var(--font-family-title);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.cs-section p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.cs-deliverables {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

.cs-deliverable-badge {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-primary);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
  border-top: 1px solid var(--border-color);
  padding: 4rem 0;
  background-color: var(--bg-secondary);
}

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

.footer-copy {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ==========================================================================
   KEYFRAME ANIMATIONS
   ========================================================================== */
@keyframes morph-avatar {
  0% {
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
  }
  50% {
    border-radius: 70% 30% 30% 70% / 70% 30% 70% 30%;
  }
  100% {
    border-radius: 40% 60% 70% 30% / 40% 40% 60% 60%;
  }
}

@keyframes blob-float {
  0% {
    transform: translateY(0) scale(1);
  }
  100% {
    transform: translateY(-20px) scale(1.08);
  }
}

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */
@media (max-width: 1024px) {
  html {
    font-size: 15px;
  }
  
  .hero-title {
    font-size: 3.75rem;
  }
  
  .avatar-wrapper {
    width: 320px;
    height: 320px;
  }
}

@media (max-width: 768px) {
  section {
    padding: 6rem 0;
  }
  
  /* Menu toggle behavior */
  .mobile-nav-toggle {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background-color: var(--bg-secondary);
    border-left: 1px solid var(--border-color);
    flex-direction: column;
    justify-content: center;
    gap: 3rem;
    z-index: 105;
    padding: 2rem;
    transition: right 0.5s var(--transition-timing);
    box-shadow: var(--shadow-lg);
  }
  
  .nav-menu.open {
    right: 0;
  }
  
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 4rem;
    text-align: center;
  }
  
  .hero-subtitle {
    justify-content: center;
  }
  
  .hero-subtitle::before {
    display: none;
  }
  
  .hero-desc {
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero-buttons {
    justify-content: center;
  }
  
  .hero-stats {
    justify-content: center;
  }
  
  .hero-image-container {
    order: -1;
  }
  
  .skills-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .timeline::before {
    left: 20px;
  }
  
  .timeline-item {
    width: 100%;
    padding-left: 3rem;
    padding-right: 0;
    margin-bottom: 3rem;
  }
  
  .timeline-item:nth-child(odd) {
    left: 0;
    text-align: left;
  }
  
  .timeline-item:nth-child(even) {
    left: 0;
    text-align: left;
  }
  
  .timeline-item:nth-child(odd) .timeline-dot,
  .timeline-item:nth-child(even) .timeline-dot {
    left: 11px;
    right: auto;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .form-row {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .modal-meta-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
  
  .footer-content {
    flex-direction: column;
    gap: 1.5rem;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 3rem;
  }
  
  .avatar-wrapper {
    width: 260px;
    height: 260px;
  }
  
  .hero-buttons {
    flex-direction: column;
    width: 100%;
    align-items: stretch;
  }
  
  .btn-primary, .btn-secondary {
    justify-content: center;
  }
  
  .hero-stats {
    flex-direction: column;
    gap: 1.5rem;
    align-items: center;
  }
  
  .tools-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .modal-content {
    padding: 2rem 1.5rem;
  }
}