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

:root {
  --bg-dark: #ffffff;
  --bg-card: #ffffff;
  --accent: #2563eb;
  --accent-glow: rgba(37, 99, 235, 0.1);
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --glass-bg: rgba(255, 255, 255, 0.9);
  --glass-border: #e2e8f0;
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  width: 100%;
  position: relative;
}

img, video {
  max-width: 100%;
  height: auto;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 4rem;
}

@media (max-width: 768px) {
  .container {
    padding: 0 1.5rem;
  }
}

.marquee-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(255, 255, 255, 0.03);
  padding: 0.5rem 1rem;
  border-radius: 50px;
  margin-right: 1.2rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  transition: all 0.3s ease;
}

.marquee-item i {
  color: var(--accent);
}

.marquee-item:hover {
  background: rgba(0, 243, 255, 0.1);
  border-color: var(--accent);
  color: white;
  transform: translateY(-2px);
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes glowPulse {
  0% { box-shadow: 0 0 5px var(--accent-glow); }
  50% { box-shadow: 0 0 20px var(--accent-glow); }
  100% { box-shadow: 0 0 5px var(--accent-glow); }
}

@keyframes blob {
  0% { border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%; }
  100% { border-radius: 50% 50% 30% 70% / 50% 60% 40% 50%; }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: var(--transition);
}

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

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.accent-text {
  color: var(--accent);
}

/* Navigation */
nav {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.5rem 0;
  transition: var(--transition);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
}

nav.scrolled {
  background: #ffffff;
  padding: 1rem 0;
  border-bottom: 1px solid transparent;
}

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

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
  text-decoration: none;
}

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

.nav-links a {
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.9rem;
  transition: var(--transition);
}

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

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  position: relative;
  overflow: hidden;
}

.hero-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 3rem;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  min-width: 0;
}

.hero-text {
  flex: 1;
  width: 100%;
  max-width: 650px;
}

.hero-image {
  flex-shrink: 0;
  display: flex;
  justify-content: center;
}

@media (max-width: 1200px) {
  .hero-content {
    gap: 3rem;
  }
}

@media (max-width: 968px) {
  .hero-content {
    flex-direction: column;
    text-align: center;
    padding-top: 2rem;
    width: 100%;
    margin: 0;
  }
  .hero-text {
    width: 100%;
    max-width: 100%;
    padding: 0 1rem;
  }
  .hero-image {
    order: -1;
    margin: 0 auto 2rem;
    width: 100%;
  }
  .hero-image div {
    width: 260px !important;
    height: 260px !important;
  }
  .hero p {
    margin: 0 auto 2.5rem;
    font-size: 1rem;
    width: 100%;
  }
  .hero-btns {
    justify-content: center;
    flex-wrap: wrap;
  }
  .hero-tech-col {
    margin-top: 3rem;
    justify-content: center;
  }
  .tech-marquee-vertical {
    animation: marquee-slow 10s linear infinite;
  }
}

.hero-tag {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 3.8rem);
  line-height: 1.1;
  margin-bottom: 1.5rem;
  font-weight: 800;
  letter-spacing: -1.5px;
}

.hero p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 550px;
  line-height: 1.7;
  margin-bottom: 2.5rem;
}

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

/* Buttons */
.btn {
  padding: 0.8rem 2rem;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
}

.btn-primary {
  background: var(--accent);
  color: white;
  border: none;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(37, 99, 235, 0.2);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-primary);
}

.btn-outline:hover {
  background: transparent;
  border-color: var(--text-muted);
}

/* Section Common */
.section {
  padding: 100px 0;
}

.section-header {
  margin-bottom: 4rem;
  text-align: center;
}

#skills .section-header {
  text-align: left;
}

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

#skills .section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 50px;
  height: 4px;
  background: #3b82f6;
  border-radius: 2px;
}

.section-subtitle {
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Featured Projects */
.projects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4rem;
}

.project-card {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3rem;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 24px;
  overflow: hidden;
  padding: 3rem;
  transition: var(--transition);
}

.project-card:hover {
  border-color: var(--accent);
  background: #ffffff;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.project-visual {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  aspect-ratio: 16/9;
  background: #ffffff;
  box-shadow: 0 20px 40px transparent;
  cursor: pointer;
}

.project-visual video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.8;
  transition: var(--transition);
}

.project-card:hover .project-visual video {
  opacity: 1;
  transform: scale(1.05);
}

.project-info h3 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

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

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.tag {
  padding: 0.3rem 0.8rem;
  background: transparent;
  border-radius: 100px;
  font-size: 0.75rem;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

/* Services Section */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 3rem 2rem;
  border-radius: 24px;
  text-align: center;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  backdrop-filter: blur(10px);
}

.service-card:hover {
  transform: translateY(-10px);
  border-color: var(--accent);
  background: #ffffff;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.service-icon {
  width: 70px;
  height: 70px;
  background: var(--accent);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 0 20px var(--accent-glow);
}

.service-card h4 {
  font-size: 1.4rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.service-card p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Specialized Domains Grid */
.skills-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.skill-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  backdrop-filter: blur(10px);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  padding: 0;
}

.skill-visual {
  width: 100%;
  height: 160px;
  overflow: hidden;
}

.skill-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
  opacity: 0.7;
}

.skill-box:hover .skill-visual img {
  transform: scale(1.1);
  opacity: 1;
}

.skill-content {
  padding: 1.5rem 2.5rem 2.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.skill-box:hover {
  transform: translateY(-10px);
  border-color: var(--accent);
  background: #ffffff;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.skill-box h4 {
  margin-bottom: 1rem;
  color: var(--text-primary);
  font-size: 1.4rem;
}

.skill-box p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  flex-grow: 1;
}

/* Skills Navigation Tabs */
.skills-tabs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
}

.tab-btn {
  padding: 0.8rem 1.5rem;
  background: white;
  border: 1px solid var(--border);
  border-radius: 12px;
  color: #64748b;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.95rem;
}

.tab-btn i {
  font-size: 1.1rem;
}

.tab-btn.active {
  background: #3b82f6;
  color: white;
  border-color: #3b82f6;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.tab-btn:hover:not(.active) {
  border-color: #3b82f6;
  color: #3b82f6;
  transform: translateY(-2px);
}

/* Skills Display Area */
.skills-display-card {
  background: white;
  border-radius: 24px;
  padding: 3rem;
  box-shadow: 0 10px 30px transparent;
  border: 1px solid var(--border);
  min-height: 350px;
}

.skills-category {
  display: none;
}

.skills-category.active {
  display: block;
  animation: fadeIn 0.5s ease;
}

.skill-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 1.5rem;
}

.skill-card-small {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  transition: all 0.3s ease;
  border-left: 4px solid var(--card-color);
}

.skill-card-small i {
  font-size: 1.5rem;
  color: var(--card-color);
}

.skill-card-small span {
  font-size: 0.85rem;
  font-weight: 600;
  color: #1e293b;
  text-align: center;
}

.skill-card-small:hover {
  transform: translateY(-5px);
  background: white;
  box-shadow: 0 8px 20px transparent;
}

/* Skills Summary Badges */
.skills-badges {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-top: 3rem;
}

.badge-item {
  background: white;
  padding: 0.8rem 1.5rem;
  border-radius: 100px;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: #1e293b;
  box-shadow: 0 4px 10px transparent;
  border: 1px solid var(--border);
}

.badge-item i {
  color: #3b82f6;
}

@media (max-width: 768px) {
  .skills-display-card {
    padding: 1.5rem;
  }
  .skill-grid {
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: 1rem;
  }
  .tab-btn {
    padding: 0.6rem 1rem;
    font-size: 0.85rem;
  }
}

/* Certificates */
.cert-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
}

/* Tech Column (Right side) */
.hero-tech-col {
  display: flex;
  align-items: center;
  overflow: hidden;
}

.tech-marquee-vertical {
  display: flex;
  gap: 3rem;
  white-space: nowrap;
  animation: marquee-slow 20s linear infinite;
}

@keyframes marquee-slow {
  0% { transform: translateX(0); }
  100% { transform: translateX(-30%); }
}

.tech-marquee-vertical span {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-secondary);
  opacity: 0.4;
  letter-spacing: 2px;
}

.filter-btn {
  padding: 0.6rem 1.5rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text-secondary);
  cursor: pointer;
  font-weight: 500;
  transition: var(--transition);
}

.filter-btn:hover, .filter-btn.active {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

.cert-gallery {
  display: flex;
  gap: 1.5rem;
  overflow-x: auto;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  padding: 1rem 0;
  -ms-overflow-style: none;  /* IE and Edge */
  scrollbar-width: none;  /* Firefox */
}

.cert-gallery::-webkit-scrollbar {
  display: none; /* Chrome, Safari and Opera */
}

.cert-card {
  flex: 0 0 320px; /* Fixed width for slider items */
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
  border: 1px solid var(--border);
  transition: var(--transition);
  scroll-snap-align: start;
}

.slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  background: var(--accent);
  border: none;
  border-radius: 50%;
  color: white;
  font-size: 1.2rem;
  cursor: pointer;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px transparent;
  transition: var(--transition);
  opacity: 0.8;
}

.slider-arrow:hover {
  opacity: 1;
  background: #4f46e5;
  transform: translateY(-50%) scale(1.1);
}

.slider-arrow.prev {
  left: -25px;
}

.slider-arrow.next {
  right: -25px;
}

@media (max-width: 768px) {
  .slider-arrow {
    display: none; /* Hide arrows on mobile, use touch scroll */
  }
}

.cert-card.hidden {
  display: none;
}

.cert-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.cert-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, transparent, transparent);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
  opacity: 0;
  transition: var(--transition);
}

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

.cert-card:hover img {
  transform: scale(1.1);
}

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  background: transparent;
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.modal.active {
  display: flex;
}

.modal-content {
  max-width: 900px;
  width: 100%;
  position: relative;
  background: var(--bg-card);
  padding: 3.5rem;
  border-radius: 24px;
  border: 1px solid var(--border);
  box-shadow: 0 0 50px transparent;
  backdrop-filter: blur(15px);
}

#info-modal .modal-content {
  border-color: var(--accent);
  box-shadow: 0 0 30px var(--accent-glow);
}

.modal-close {
  position: absolute;
  top: -40px;
  right: 0;
  color: white;
  font-size: 2rem;
  cursor: pointer;
}

/* About Section */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 5rem;
  align-items: center;
}

.lead-text {
  font-size: 1.2rem;
  color: var(--accent);
  margin-bottom: 2rem;
  font-weight: 600;
  line-height: 1.5;
}

.bio-content p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1.5rem;
  font-size: 1.05rem;
}

.about-stats {
  display: flex;
  gap: 3rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid transparent;
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-val {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--text-primary);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.about-image {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.experience-card {
  background: var(--bg-card);
  padding: 2rem;
  border-radius: 20px;
  border: 1px solid var(--border);
  transition: var(--transition);
}

.experience-card:hover {
  border-color: var(--accent);
  transform: translateX(10px);
}

.experience-card i {
  font-size: 1.8rem;
  color: var(--accent);
  margin-bottom: 1rem;
}

.experience-card h4 {
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.experience-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

@media (max-width: 968px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .experience-card:hover {
    transform: translateY(-5px);
  }
}
footer {
  padding: 4rem 0;
  border-top: 1px solid transparent;
  text-align: center;
  color: var(--text-muted);
}

.footer-socials {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-socials a {
  color: var(--text-secondary);
  font-size: 1.5rem;
  transition: var(--transition);
}

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

/* Chatbot */
.chatbot-bubble {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  background: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
  z-index: 3000;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
  transition: var(--transition);
  animation: float 3s infinite alternate;
}

@keyframes float {
  from { transform: translateY(0); }
  to { transform: translateY(-10px); }
}

.chatbot-bubble:hover {
  transform: scale(1.1);
  background: #4f46e5;
}

.chatbot-window {
  position: fixed;
  bottom: 100px;
  right: 30px;
  width: 380px;
  height: 500px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 24px;
  z-index: 3000;
  display: none;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 10px 40px transparent;
  backdrop-filter: blur(20px);
}

.chatbot-window.active {
  display: flex;
  animation: fadeInUp 0.3s ease;
}

.chat-header {
  padding: 1.5rem;
  background: rgba(99, 102, 241, 0.1);
  border-bottom: 1px solid transparent;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.chat-header img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 2px solid var(--accent);
}

.chat-body {
  flex: 1;
  padding: 1.5rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.chat-message {
  max-width: 80%;
  padding: 0.8rem 1rem;
  border-radius: 16px;
  font-size: 0.9rem;
}

.chat-message.bot {
  background: rgba(255, 255, 255, 0.05);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}

.chat-message.user {
  background: var(--accent);
  color: white;
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}

.chat-footer {
  padding: 1rem;
  border-top: 1px solid transparent;
}

.chat-options {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* FAQ Section */
.faq-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-question {
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-weight: 600;
  color: var(--text-primary);
  transition: var(--transition);
}

.faq-question:hover {
  background: rgba(255, 255, 255, 0.02);
}

.faq-question i {
  font-size: 0.8rem;
  transition: transform 0.4s ease;
  color: var(--accent);
}

.faq-item.active .faq-question {
  border-bottom: 1px solid transparent;
  background: rgba(99, 102, 241, 0.05);
}

.faq-item.active .faq-question i {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  background: transparent;
}

.faq-answer p {
  padding: 1.5rem 2rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

.opt-btn {
  padding: 0.5rem 1rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text-secondary);
  font-size: 0.8rem;
  cursor: pointer;
  transition: var(--transition);
}

.opt-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* Testimonials */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

.testimonial-card {
  background: var(--bg-card);
  padding: 2.5rem;
  border-radius: 24px;
  border: 1px solid var(--border);
  position: relative;
  transition: var(--transition);
}

.testimonial-card:hover {
  border-color: var(--accent);
  transform: translateY(-5px);
  box-shadow: 0 10px 30px transparent;
}

.quote-icon {
  font-size: 2rem;
  color: var(--accent);
  opacity: 0.3;
  margin-bottom: 1.5rem;
}

.testimonial-card p {
  font-style: italic;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.testimonial-author h6 {
  color: var(--text-primary);
  font-size: 1.1rem;
  margin-bottom: 0.2rem;
}

.testimonial-author span {
  color: var(--accent);
  font-size: 0.85rem;
}

@media (max-width: 768px) {
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
}

/* Pipeline Section */
.pipeline-container {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-top: 4rem;
}

.pipeline-step {
  flex: 1;
  text-align: center;
  padding: 2rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: 20px;
  transition: var(--transition);
}

.pipeline-step:hover {
  background: rgba(99, 102, 241, 0.05);
  border-color: var(--accent);
  transform: translateY(-5px);
}

.step-icon {
  width: 60px;
  height: 60px;
  background: var(--accent);
  border-radius: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
  margin: 0 auto 1.5rem;
  box-shadow: 0 0 20px var(--accent-glow);
}

.pipeline-step h5 {
  font-size: 1.1rem;
  margin-bottom: 0.8rem;
  color: var(--text-primary);
}

.pipeline-step p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.pipeline-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 40px;
  color: var(--border);
  font-size: 1.2rem;
}

@media (max-width: 968px) {
  .pipeline-container {
    flex-direction: column;
    gap: 2rem;
  }
  .pipeline-arrow {
    transform: rotate(90deg);
    padding: 0;
  }
}
@media (max-width: 968px) {
  .project-card {
    grid-template-columns: 1fr;
    padding: 2rem;
  }
  .hero h1 {
    font-size: clamp(2rem, 8vw, 3rem);
  }
}

@media (max-width: 640px) {
  .container {
    padding: 0 1.5rem;
  }
  .hero-btns {
    flex-direction: column;
  }
  .nav-links {
    display: none;
  }
}

/* Experience Timeline */
.experience-timeline {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  padding-left: 2rem;
}

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

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

.timeline-marker {
  position: absolute;
  left: -2.35rem;
  top: 0;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  border: 4px solid var(--bg-dark);
  box-shadow: 0 0 10px var(--accent-glow);
}

.timeline-content {
  background: var(--bg-card);
  padding: 2rem;
  border-radius: 16px;
  border: 1px solid var(--border);
  transition: var(--transition);
}

.timeline-content:hover {
  border-color: var(--accent);
  transform: translateX(10px);
}

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.timeline-header h3 {
  color: var(--accent);
  font-size: 1.25rem;
}

.timeline-date {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 600;
}

.timeline-org {
  font-size: 1rem;
  color: var(--text-primary);
  margin-bottom: 1rem;
  opacity: 0.9;
}

.timeline-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.timeline-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}