/* ==========================================================================
   CSS RESET & FONTS
   ========================================================================== */
@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');

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-tap-highlight-color: transparent;
}

/* ==========================================================================
   THEME STYLES (VARIABLES)
   ========================================================================== */
:root {
  /* Dark Mode (Default) */
  --bg-primary: #0b0f19;
  --bg-secondary: #131b2e;
  --bg-tertiary: #1e2942;
  --accent: #6366f1; /* Indigo */
  --accent-hover: #4f46e5;
  --accent-glow: rgba(99, 102, 241, 0.15);
  --accent-light: #818cf8;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border: #22304d;
  --border-focus: #4f46e5;
  --card-shadow: 0 15px 35px -10px rgba(2, 6, 23, 0.7);
  --header-bg: rgba(11, 15, 25, 0.85);
  --success: #10b981;
  
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-heading: 'Poppins', sans-serif;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --container-width: 1200px;
}

[data-theme="light"] {
  /* Light Mode Override */
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  --accent: #4f46e5; /* Indigo */
  --accent-hover: #3730a3;
  --accent-glow: rgba(79, 70, 229, 0.08);
  --accent-light: #6366f1;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --border: #e2e8f0;
  --border-focus: #6366f1;
  --card-shadow: 0 15px 35px -10px rgba(148, 163, 184, 0.15);
  --header-bg: rgba(248, 250, 252, 0.85);
}

/* ==========================================================================
   GLOBAL STYLES
   ========================================================================== */
body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.2;
}

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

button, input, textarea {
  font-family: inherit;
}

ul {
  list-style: none;
}

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

/* ==========================================================================
   UTILITY & LAYOUT
   ========================================================================== */
.container {
  width: 90%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1rem;
}

.section {
  padding: 80px 0;
  position: relative;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 3.5rem;
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: var(--accent);
  margin: 15px auto 0;
  border-radius: 2px;
}

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

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.8rem;
  border-radius: 8px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
}

.btn-primary {
  background-color: var(--accent);
  color: #ffffff;
}

.btn-primary:hover {
  background-color: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px var(--accent-glow);
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-primary);
  border-color: var(--border);
}

.btn-secondary:hover {
  background-color: var(--bg-tertiary);
  border-color: var(--accent);
  transform: translateY(-2px);
}

/* Scroll Progress Bar */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent-light) 100%);
  z-index: 2000;
  width: 0%;
  transition: width 0.1s ease-out;
}

/* Background Grids & Blobs */
.bg-grid {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: radial-gradient(var(--border) 1px, transparent 1px);
  background-size: 30px 30px;
  opacity: 0.15;
  pointer-events: none;
  z-index: 1;
}

.bg-blob {
  position: absolute;
  width: 300px;
  height: 300px;
  background: var(--accent-glow);
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.7;
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--header-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  transition: var(--transition);
}

header.scrolled {
  padding: 0.5rem 0;
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.1);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo span {
  color: var(--accent);
}

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

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

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

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

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

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

/* Theme Toggle Button */
.theme-toggle {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  border: 1px solid var(--border);
}

.theme-toggle:hover {
  color: var(--accent);
  border-color: var(--accent);
  background-color: var(--bg-tertiary);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
}

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

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

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

/* Mobile Toggle Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 1100;
}

.hamburger span {
  display: block;
  width: 25px;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 100px;
  background-color: var(--bg-primary);
}

.hero-content {
  z-index: 2;
}

.hero-subtitle {
  color: var(--accent);
  font-size: 1.1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 1rem;
  display: inline-block;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 1.2rem;
  letter-spacing: -1px;
}

.hero-description {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin-bottom: 2.5rem;
}

.hero-buttons {
  display: flex;
  gap: 1.5rem;
}

.hero-image-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 2;
}

.hero-image-container {
  width: 320px;
  height: 320px;
  border-radius: 50%;
  position: relative;
  padding: 8px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
  box-shadow: 0 20px 40px var(--accent-glow);
}

.hero-image-container img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  background-color: var(--bg-secondary);
  border: 4px solid var(--bg-secondary);
}

.hero-image-glow {
  position: absolute;
  top: -15px;
  left: -15px;
  right: -15px;
  bottom: -15px;
  border: 1px dashed var(--accent-light);
  border-radius: 50%;
  opacity: 0.3;
  animation: rotate 30s linear infinite;
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ==========================================================================
   ABOUT ME & OBJECTIVE
   ========================================================================== */
#about {
  background-color: var(--bg-secondary);
}

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

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

.meta-item {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.meta-icon {
  width: 45px;
  height: 45px;
  background-color: var(--bg-tertiary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  border: 1px solid var(--border);
}

.meta-content span {
  display: block;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.meta-content strong {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* Career Objective Statement Box */
.objective-box {
  margin-top: 3.5rem;
  padding: 2.5rem;
  background: var(--bg-tertiary);
  border-left: 5px solid var(--accent);
  border-radius: 0 12px 12px 0;
  position: relative;
  box-shadow: var(--card-shadow);
  border: 1px solid var(--border);
  border-left-width: 5px;
}

.objective-box h3 {
  font-size: 1.4rem;
  margin-bottom: 0.8rem;
  color: var(--accent-light);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.objective-box p {
  font-size: 1.1rem;
  font-style: italic;
  color: var(--text-primary);
  line-height: 1.6;
}

.about-image-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
}

.about-image-container {
  position: relative;
  max-width: 340px;
  width: 100%;
  border-radius: 20px;
  padding: 6px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
  box-shadow: var(--card-shadow);
  transition: var(--transition);
}

.about-image-container:hover {
  transform: translateY(-5px) scale(1.02);
  box-shadow: 0 25px 50px var(--accent-glow);
}

.about-profile-img {
  width: 100%;
  height: auto;
  border-radius: 16px;
  object-fit: cover;
  border: 4px solid var(--bg-secondary);
}

/* ==========================================================================
   SKILLS SECTION
   ========================================================================== */
#skills {
  background-color: var(--bg-primary);
}

.skills-category {
  background-color: var(--bg-secondary);
  border-radius: 12px;
  padding: 2rem;
  border: 1px solid var(--border);
  transition: var(--transition);
  box-shadow: var(--card-shadow);
}

.skills-category:hover {
  transform: translateY(-5px);
  border-color: var(--accent);
  box-shadow: 0 20px 40px var(--accent-glow);
}

.category-title {
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--accent-light);
}

.skills-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.skill-tag {
  background-color: var(--bg-tertiary);
  color: var(--text-secondary);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 500;
  border: 1px solid var(--border);
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.skill-tag:hover {
  color: var(--text-primary);
  background-color: var(--accent);
  border-color: var(--accent);
  transform: scale(1.05);
}

.skill-tag svg {
  width: 14px;
  height: 14px;
}

/* ==========================================================================
   PROJECTS SECTION
   ========================================================================== */
#projects {
  background-color: var(--bg-secondary);
}

.project-card {
  background-color: var(--bg-primary);
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition);
  box-shadow: var(--card-shadow);
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent);
  box-shadow: 0 20px 40px var(--accent-glow);
}

.project-image-placeholder {
  height: 200px;
  background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}

.project-image-placeholder::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  opacity: 0.5;
}

.project-image-placeholder svg {
  width: 60px;
  height: 60px;
  color: var(--accent-light);
  z-index: 2;
  transition: var(--transition);
}

.project-card:hover .project-image-placeholder svg {
  transform: scale(1.1) rotate(5deg);
}

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

.project-title {
  font-size: 1.4rem;
  margin-bottom: 0.75rem;
}

.project-description {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.project-bullets {
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
}

.project-bullets li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
}

.project-bullets li::before {
  content: "•";
  color: var(--accent);
  font-weight: bold;
  position: absolute;
  left: 0;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.tech-tag {
  background-color: var(--bg-tertiary);
  color: var(--accent-light);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  border: 1px solid var(--border);
}

.project-links {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
}

.project-link-btn {
  font-size: 0.9rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-primary);
}

.project-link-btn:hover {
  color: var(--accent-light);
}

.project-card-logo {
  width: 100px;
  height: 100px;
  object-fit: contain;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
  z-index: 2;
  transition: var(--transition);
}

.project-card:hover .project-card-logo {
  transform: scale(1.1) rotate(2deg);
  box-shadow: 0 15px 35px var(--accent-glow);
}

/* ==========================================================================
   SERVICES SECTION
   ========================================================================== */
#services {
  background-color: var(--bg-primary);
}

.service-card {
  background-color: var(--bg-secondary);
  border-radius: 12px;
  padding: 2.5rem 2rem;
  border: 1px solid var(--border);
  transition: var(--transition);
  box-shadow: var(--card-shadow);
  text-align: left;
}

.service-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent);
  box-shadow: 0 20px 40px var(--accent-glow);
}

.service-icon {
  width: 60px;
  height: 60px;
  background-color: var(--bg-tertiary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-light);
  border: 1px solid var(--border);
  margin-bottom: 1.5rem;
  transition: var(--transition);
}

.service-card:hover .service-icon {
  background-color: var(--accent);
  color: #ffffff;
  transform: scale(1.1);
}

.service-title {
  font-size: 1.3rem;
  margin-bottom: 1rem;
}

.service-description {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* ==========================================================================
   EXPERIENCE SECTION (TIMELINE)
   ========================================================================== */
#experience {
  background-color: var(--bg-secondary);
}

.timeline {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 9px;
  top: 0;
  width: 2px;
  height: 100%;
  background-color: var(--border);
}

.timeline-item {
  position: relative;
  margin-bottom: 3.5rem;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: -2rem;
  top: 6px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background-color: var(--bg-primary);
  border: 4px solid var(--accent);
  z-index: 2;
  transition: var(--transition);
}

.timeline-item:hover .timeline-dot {
  background-color: var(--accent-light);
  transform: scale(1.2);
}

.timeline-header {
  margin-bottom: 1rem;
}

.timeline-role {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
}

.timeline-company {
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent-light);
  margin-bottom: 0.25rem;
}

.timeline-date {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  background-color: var(--bg-tertiary);
  padding: 0.2rem 0.75rem;
  border-radius: 20px;
  border: 1px solid var(--border);
  margin-top: 0.25rem;
}

.timeline-content {
  background-color: var(--bg-primary);
  border-radius: 12px;
  padding: 2rem;
  border: 1px solid var(--border);
  box-shadow: var(--card-shadow);
}

.timeline-content ul {
  list-style: none;
}

.timeline-content li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.75rem;
  color: var(--text-secondary);
}

.timeline-content li::before {
  content: "→";
  color: var(--accent);
  font-weight: bold;
  position: absolute;
  left: 0;
  top: 0;
}

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */
#contact {
  background-color: var(--bg-primary);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3.5rem;
}

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

.contact-intro {
  color: var(--text-secondary);
}

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

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
}

.contact-icon {
  width: 50px;
  height: 50px;
  background-color: var(--bg-secondary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-light);
  border: 1px solid var(--border);
  flex-shrink: 0;
  transition: var(--transition);
}

.contact-item:hover .contact-icon {
  background-color: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
}

.contact-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.contact-value {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--text-primary);
}

.contact-value a:hover {
  color: var(--accent-light);
}

.contact-form-container {
  background-color: var(--bg-secondary);
  border-radius: 16px;
  padding: 2.5rem;
  border: 1px solid var(--border);
  box-shadow: var(--card-shadow);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.form-input {
  width: 100%;
  background-color: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.8rem 1rem;
  color: var(--text-primary);
  transition: var(--transition);
  font-size: 0.95rem;
}

.form-input:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

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

/* Success Message Alert */
.form-status {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  font-size: 0.9rem;
  display: none;
}

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

/* ==========================================================================
   FOOTER SECTION
   ========================================================================== */
footer {
  background-color: #050811;
  color: var(--text-secondary);
  padding: 3rem 0;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.footer-nav {
  display: flex;
  gap: 1.5rem;
}

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

.footer-nav a:hover {
  color: var(--accent-light);
}

.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 45px;
  height: 45px;
  background-color: var(--accent);
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 99;
  border: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

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

.back-to-top:hover {
  background-color: var(--accent-hover);
  transform: translateY(-3px);
}

/* ==========================================================================
   REVEAL ON SCROLL ANIMATIONS
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), 
              transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Delay modifiers */
.delay-100 { transition-delay: 100ms; }
.delay-200 { transition-delay: 200ms; }
.delay-300 { transition-delay: 300ms; }

/* ==========================================================================
   RESPONSIVENESS (MEDIA QUERIES)
   ========================================================================== */
@media (max-width: 1024px) {
  :root {
    --container-width: 960px;
  }
  
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

@media (max-width: 768px) {
  html {
    font-size: 15px;
  }

  .section {
    padding: 60px 0;
  }

  .section-title {
    font-size: 2rem;
    margin-bottom: 2.5rem;
  }

  .grid-2 {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .grid-3 {
    grid-template-columns: 1fr;
  }

  /* Navigation for Mobile */
  .hamburger {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background-color: var(--bg-secondary);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2.5rem;
    transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
    border-top: 1px solid var(--border);
  }

  .nav-menu.open {
    left: 0;
  }

  .nav-link {
    font-size: 1.2rem;
  }

  /* Hamburger Animation */
  .hamburger.open span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

  .hamburger.open span:nth-child(2) {
    opacity: 0;
  }

  .hamburger.open span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  /* Hero Mobile Layout */
  #hero {
    padding-top: 120px;
    text-align: center;
    min-height: auto;
    padding-bottom: 60px;
  }

  .hero-content {
    order: 2;
  }

  .hero-image-wrapper {
    order: 1;
    margin-bottom: 2rem;
  }

  .hero-description {
    margin: 0 auto 2.5rem;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-image-container {
    width: 250px;
    height: 250px;
  }

  /* Timeline adjustment for mobile */
  .timeline {
    padding-left: 1.5rem;
  }
  
  .timeline::before {
    left: 6px;
  }
  
  .timeline-dot {
    left: -1.75rem;
    width: 16px;
    height: 16px;
    border-width: 3px;
  }
  
  .timeline-role {
    font-size: 1.25rem;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2.5rem;
  }

  .hero-buttons {
    flex-direction: column;
    gap: 1rem;
    width: 100%;
  }

  .hero-buttons .btn {
    width: 100%;
    justify-content: center;
  }

  .objective-box {
    padding: 1.5rem;
  }
  
  .objective-box p {
    font-size: 1rem;
  }

  .contact-form-container {
    padding: 1.5rem;
  }
}