:root {
  --primary: #3b82f6;
  --secondary: #06b6d4;
  --accent: #a78bfa;
  --dark: #1e293b;
  --darker: #0f172a;
  --light: #f8fafc;
  --light-gray: #94a3b8;
  --gradient-primary: linear-gradient(135deg, var(--primary), var(--secondary));
  --gradient-secondary: linear-gradient(135deg, var(--accent), var(--primary));
  --transition: all 0.4s cubic-bezier(0.22, 0.61, 0.36, 1);
  --border-radius: 28px;
  --border-radius-full: 50%;
}

.light-mode {
  --primary: #2563eb;
  --secondary: #0891b2;
  --accent: #8b5cf6;
  --dark: #a4a5a647;
  --darker: #d1d1d1;
  --light: #1e293b;
  --light-gray: #000000;
  --gradient-primary: linear-gradient(135deg, var(--primary), var(--secondary));
  --gradient-secondary: linear-gradient(135deg, var(--accent), var(--primary));
}

.light-mode .h3 {
  color: #000;
  font-size: 200%;
}

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

body {
  font-family: 'Poppins', sans-serif;
  background: var(--darker);
  color: var(--light);
  line-height: 1.8;
  overflow-x: hidden;
  min-height: 100vh;
  font-size: 17px;
  transition: background 0.4s ease, color 0.4s ease;
}

.font-heading {
  font-family: 'Space Grotesk', sans-serif;
}

.container {
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 5rem;
}

header {
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(15px);
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: var(--transition);
}

.light-mode header {
  background: rgba(241, 245, 249, 0.95);
  border-bottom: 1px solid rgba(30, 41, 59, 0.1);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 0;
}

.logo {
  font-size: 1.9rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-family: 'Space Grotesk', sans-serif;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 2rem;
}

nav a {
  color: var(--light);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.2rem;
  position: relative;
  padding: 0.6rem 0;
  letter-spacing: 0.3px;
}

nav a:after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 3px;
  background: var(--gradient-primary);
  transition: var(--transition);
}

nav a:hover:after {
  width: 100%;
}

#toggle-mode {
  background: none;
  border: none;
  font-size: 1.4rem;
  color: var(--primary);
  cursor: pointer;
  margin-left: 1.2rem;
}

#toggle-mode:hover {
  color: var(--accent);
}

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 0 6rem;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-text h1 {
  font-size: 4.2rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  line-height: 1.2;
  font-family: 'Space Grotesk', sans-serif;
  background: linear-gradient(to right, var(--primary), var(--secondary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-text h2 {
  font-size: 2rem;
  color: var(--secondary);
  margin-bottom: 2rem;
  font-weight: 600;
  overflow: hidden;
  border-right: 0.15em solid var(--secondary);
  white-space: nowrap;
  letter-spacing: 0.05em;
  animation: typing 3.5s steps(40, end) infinite, blink-caret 0.75s step-end infinite;
}

@keyframes typing {
  0% { width: 0; }
  25% { width: 100%; }
  50% { width: 100%; }
  75% { width: 0; }
  100% { width: 0; }
}

@keyframes blink-caret {
  from,
  to { border-color: transparent; }
  50% { border-color: var(--secondary); }
}

.hero-text p {
  font-size: 1.3rem;
  color: var(--light-gray);
  margin-bottom: 2.5rem;
  max-width: 700px;
}

.custom-image-shape {
  width: 450px;
  height: 450px;
  margin-left: 35%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  box-shadow: 0 0 40px 6px rgba(3, 218, 255, 0.35);
  position: relative;
  animation: float 6s ease-in-out infinite;
  border-radius: 50%;
}

.custom-image-shape img {
  width: 97%;
  height: 97%;
  object-fit: cover;
  border-radius: 50%;
}

@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
  100% { transform: translateY(0px); }
}

.hero-social {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 2.5rem;
}

.hero-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 55px;
  height: 55px;
  border-radius: var(--border-radius-full);
  background: rgba(255, 255, 255, 0.1);
  color: var(--light);
  font-size: 1.3rem;
  transition: var(--transition);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.light-mode .hero-social a {
  background: rgba(30, 41, 59, 0.1);
  border: 1px solid rgba(30, 41, 59, 0.2);
}

.hero-social a:hover {
  background: var(--gradient-primary);
  color: white;
  transform: translateY(-7px);
  box-shadow: 0 10px 30px rgba(37, 99, 235, 0.3);
}

section {
  padding: 7rem 0;
}

.section-header {
  text-align: center;
  margin-bottom: 4.5rem;
}

.section-header h2 {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  font-family: 'Space Grotesk', sans-serif;
  background: linear-gradient(to right, var(--primary), var(--secondary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
  display: inline-block;
}

.section-header h2:after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 5px;
  background: var(--gradient-primary);
  border-radius: 3px;
}

.section-header p {
  font-size: 1.3rem;
  color: var(--light-gray);
  max-width: 700px;
  margin: 2rem auto 0;
}

.about-content {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 4rem;
  align-items: center;
}

.about-text h3 {
  font-size: 2.2rem;
  margin-bottom: 1.8rem;
  font-family: 'Space Grotesk', sans-serif;
  background: linear-gradient(to right, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about-text p {
  margin-bottom: 1.8rem;
  font-size: 1.2rem;
  color: var(--light-gray);
  line-height: 1.9;
}

.stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 2.2rem;
}

.stat-item {
  background: rgba(30, 41, 59, 0.5);
  padding: 1.5rem;
  border-radius: 20px;
  text-align: center;
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  transition: var(--transition);
}

.light-mode .stat-item {
  background: rgba(241, 245, 249, 0.7);
  border: 1px solid rgba(30, 41, 59, 0.15);
}

.stat-item:hover {
  transform: translateY(-7px);
  border-color: var(--primary);
}

.stat-item .number {
  font-size: 2.8rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.6rem;
  font-family: 'Space Grotesk', sans-serif;
}

.stat-item .label {
  color: var(--light-gray);
  font-size: 1.1rem;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2.2rem;
}

.skill-category,
.project-card,
.cert-badge,
.timeline-content {
  background: rgba(30, 41, 59, 0.5);
  border: 1.5px solid rgba(255, 255, 255, 0.15);
  border-radius: 16px;
  padding: 1.5rem 2rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12),
    0 8px 15px rgba(0, 0, 0, 0.07);
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 0.4s cubic-bezier(0.22, 1, 0.36, 1),
    border-color 0.4s ease, background 0.4s ease;
  cursor: pointer;
  will-change: transform, box-shadow;
  backface-visibility: hidden;
  perspective: 1000px;
  position: relative;
  color: #E0E7FF;
}

.light-mode .skill-category,
.light-mode .project-card,
.light-mode .cert-badge,
.light-mode .timeline-content {
  background: #f8fafc;
  border: 1.5px solid rgba(30, 41, 59, 0.15);
  color: #1e293b;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05),
    0 8px 15px rgba(0, 0, 0, 0.03);
}

.skill-category:hover,
.project-card:hover,
.cert-badge:hover,
.timeline-content:hover {
  transform: translateY(-14px) scale(1.07) rotateX(5deg) rotateY(3deg);
  border-color: #22D3EE;
  background: linear-gradient(145deg, #386486 0%, #121217 100%);
  box-shadow: 0 25px 40px rgba(0, 0, 0, 0.32),
    0 15px 30px rgba(34, 211, 238, 0.35);
  z-index: 20;
  color: #FFFFFF;
}

.light-mode .skill-category:hover,
.light-mode .project-card:hover,
.light-mode .cert-badge:hover,
.light-mode .timeline-content:hover {
  background: linear-gradient(145deg, #1E3A8A 0%, #f8fafc 100%);
  color: #1e293b;
  box-shadow: 0 25px 40px rgba(0, 0, 0, 0.15),
    0 15px 30px rgba(34, 211, 238, 0.25);
}

.skill-category:focus,
.project-card:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.65),
    0 4px 20px rgba(0, 0, 0, 0.25);
  color: #FFFFFF;
}

.light-mode .skill-category:focus,
.light-mode .project-card:focus {
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.65),
    0 4px 20px rgba(0, 0, 0, 0.1);
  color: #1e293b;
}

.skill-category h3 {
  font-size: 1.6rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-family: 'Space Grotesk', sans-serif;
  color: #E0E7FF;
}

.light-mode .skill-category h3 {
  color: #1e293b;
}

.skill-category h3 i {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.skill-item {
  margin-bottom: 1.5rem;
}

.skill-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.6rem;
}

.skill-header span {
  font-size: 1.05rem;
  color: #E0E7FF;
}

.light-mode .skill-header span {
  color: #1e293b;
}

.skill-bar {
  height: 10px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 5px;
  overflow: hidden;
}

.light-mode .skill-bar {
  background: rgba(30, 41, 59, 0.1);
}

.skill-progress {
  height: 100%;
  border-radius: 5px;
  transition: width 1.5s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.timeline {
  position: relative;
  max-width: 850px;
  margin: 0 auto;
}

.timeline:before {
  content: '';
  position: absolute;
  top: 0;
  left: 35px;
  height: 100%;
  width: 3px;
  background: var(--gradient-primary);
}

.timeline-item {
  position: relative;
  margin-bottom: 3rem;
  padding-left: 80px;
}

.timeline-dot {
  position: absolute;
  left: 25px;
  top: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--gradient-primary);
  border: 5px solid var(--darker);
  z-index: 1;
  transition: var(--transition);
}

.light-mode .timeline-dot {
  border: 5px solid var(--darker);
}

.timeline-item:hover .timeline-dot {
  transform: scale(1.3);
  box-shadow: 0 0 25px var(--primary);
}

.timeline-content h3 {
  font-size: 1.6rem;
  margin-bottom: 0.7rem;
  font-family: 'Space Grotesk', sans-serif;
  color: #E0E7FF;
}

.light-mode .timeline-content h3 {
  color: #1e293b;
}

.timeline-content .period {
  color: var(--secondary);
  font-weight: 600;
  margin-bottom: 1.2rem;
  display: block;
  font-size: 1.1rem;
}

.timeline-content li {
  margin-bottom: 0.7rem;
  color: var(--light-gray);
  font-size: 1.05rem;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
  gap: 2.2rem;
}

.project-card {
  border-radius: var(--border-radius);
  overflow: hidden;
  backdrop-filter: blur(8px);
}

.project-image {
  height: 200px;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.3rem;
  font-weight: 600;
  padding: 1.2rem;
  text-align: center;
}

.project-info {
  padding: 1.6rem;
}

.project-info h3 {
  font-size: 1.5rem;
  margin-bottom: 1.3rem;
  font-family: 'Space Grotesk', sans-serif;
  color: #E0E7FF;
}

.light-mode .project-info h3 {
  color: #1e293b;
}

.project-info p {
  color: var(--light-gray);
  margin-bottom: 1.5rem;
  font-size: 1.05rem;
  line-height: 1.8;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
}

.tech-tag {
  background: rgba(37, 99, 235, 0.15);
  padding: 0.4rem 0.8rem;
  border-radius: 22px;
  font-size: 0.85rem;
  color: var(--secondary);
  border: 1px solid rgba(37, 99, 235, 0.25);
  transition: var(--transition);
}

.light-mode .tech-tag {
  background: rgba(37, 99, 235, 0.1);
  border: 1px solid rgba(37, 99, 235, 0.2);
}

.tech-tag:hover {
  background: var(--gradient-primary);
  color: white;
  transform: translateY(-3px);
}

footer {
  background: var(--darker);
  padding: 3.5rem 0;
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.light-mode footer {
  background: var(--darker);
  border-top: 1px solid rgba(30, 41, 59, 0.1);
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.8rem;
}

.social-links {
  display: flex;
  gap: 1.5rem;
  justify-content: flex-start;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 55px;
  height: 55px;
  border-radius: var(--border-radius-full);
  background: rgba(255, 255, 255, 0.1);
  color: var(--light);
  font-size: 1.3rem;
  transition: var(--transition);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.light-mode .social-links a {
  background: rgba(30, 41, 59, 0.1);
  color: var(--light);
  border: 1px solid rgba(30, 41, 59, 0.2);
}

.social-links a:hover {
  background: var(--gradient-primary);
  color: white;
  transform: translateY(-7px);
  box-shadow: 0 10px 30px rgba(37, 99, 235, 0.3);
}

.copyright {
  color: var(--light-gray);
  font-size: 1rem;
}

.cert-badge {
  text-align: center;
  margin-bottom: 1.5rem;
}

.cert-image {
  width: 310px;
  height: 210px;
  border-radius: 10%;
  object-fit: cover;
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.25);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cert-image:hover {
  transform: scale(1.08);
  box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4);
}

.cert-status {
  color: var(--secondary);
  font-weight: 600;
  font-size: 1.1rem;
  margin: 0.7rem 0;
}

.cert-focus {
  color: var(--light-gray);
  font-size: 1.05rem;
  margin: 0;
  line-height: 1.7;
}

.about-tagline {
  font-size: 2rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 1.8rem;
  background: linear-gradient(to right, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
}

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.slide-in-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.slide-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.slide-in-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.slide-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.scale-up {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.scale-up.visible {
  opacity: 1;
  transform: scale(1);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.service-item {
  background: rgba(44, 60, 86, 0.5);
  border: 1.5px solid rgba(255, 255, 255, 0.15);
  border-radius: 16px;
  padding: 1.5rem 2rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12),
    0 8px 15px rgba(0, 0, 0, 0.07);
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 0.4s cubic-bezier(0.22, 1, 0.36, 1),
    border-color 0.4s ease, background 0.4s ease;
  cursor: pointer;
  will-change: transform, box-shadow;
  backface-visibility: hidden;
  perspective: 1000px;
  position: relative;
  color: #E0E7FF;
  text-align: center;
}

.light-mode .service-item {
  background: #f8fafc;
  border: 1.5px solid rgba(30, 41, 59, 0.15);
  color: #1e293b;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05),
    0 8px 15px rgba(0, 0, 0, 0.03);
}

.service-item:hover {
  transform: translateY(-14px) scale(1.07) rotateX(5deg) rotateY(3deg);
  border-color: #22D3EE;
  background: linear-gradient(145deg, #386486 0%, #121217 100%);
  box-shadow: 0 25px 40px rgba(0, 0, 0, 0.32),
    0 15px 30px rgba(34, 211, 238, 0.35);
  z-index: 20;
  color: #FFFFFF;
}

.light-mode .service-item:hover {
  background: linear-gradient(145deg, #1E3A8A 0%, #f8fafc 100%);
  color: #1e293b;
  box-shadow: 0 25px 40px rgba(0, 0, 0, 0.15),
    0 15px 30px rgba(34, 211, 238, 0.25);
}

.service-item:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.65),
    0 4px 20px rgba(0, 0, 0, 0.25);
  color: #FFFFFF;
}

.light-mode .service-item:focus {
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.65),
    0 4px 20px rgba(0, 0, 0, 0.1);
  color: #1e293b;
}

.service-icon {
  font-size: 2.2rem;
  margin-bottom: 1.2rem;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  color: #22D3EE;
}

.light-mode .service-icon {
  background: rgba(30, 41, 59, 0.05);
  color: #22D3EE;
}

.service-item h3 {
  font-size: 1.3rem;
  margin-bottom: 0.8rem;
  color: #FFFFFF;
  font-family: 'Space Grotesk', sans-serif;
}

.light-mode .service-item h3 {
  color: #1e293b;
}

.service-item p {
  color: #E0E7FF;
  font-size: 1.05rem;
  line-height: 1.8;
}

.light-mode .service-item p {
  color: var(--light-gray);
}

.why-choose-me {
  text-align: center;
  margin-top: 4rem;
  padding: 3rem 0;
  background: rgba(44, 60, 86, 0.5);
  border-radius: 16px;
  border: 1.5px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12),
    0 8px 15px rgba(0, 0, 0, 0.07);
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 0.4s cubic-bezier(0.22, 1, 0.36, 1),
    border-color 0.4s ease, background 0.4s ease;
  cursor: pointer;
  will-change: transform, box-shadow;
  backface-visibility: hidden;
  perspective: 1000px;
  position: relative;
  color: #E0E7FF;
}

.light-mode .why-choose-me {
  background: #f8fafc;
  border: 1.5px solid rgba(30, 41, 59, 0.15);
  color: #1e293b;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05),
    0 8px 15px rgba(0, 0, 0, 0.03);
}

.why-choose-me:hover {
  transform: translateY(-14px) scale(1.07) rotateX(5deg) rotateY(3deg);
  border-color: #22D3EE;
  background: linear-gradient(145deg, #386486 0%, #121217 100%);
  box-shadow: 0 25px 40px rgba(0, 0, 0, 0.32),
    0 15px 30px rgba(34, 211, 238, 0.35);
  z-index: 20;
  color: #FFFFFF;
}

.light-mode .why-choose-me:hover {
  background: linear-gradient(145deg, #1E3A8A 0%, #f8fafc 100%);
  color: #1e293b;
  box-shadow: 0 25px 40px rgba(0, 0, 0, 0.15),
    0 15px 30px rgba(34, 211, 238, 0.25);
}

.why-choose-me:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.65),
    0 4px 20px rgba(0, 0, 0, 0.25);
  color: #FFFFFF;
}

.light-mode .why-choose-me:focus {
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.65),
    0 4px 20px rgba(0, 0, 0, 0.1);
  color: #1e293b;
}

.why-choose-me h3 {
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
  color: #22D3EE;
}

#contact {
  background: rgba(15, 23, 42, 0.5);
  padding: 7rem 0;
}

.light-mode #contact {
  background: rgba(241, 245, 249, 0.7);
}

.contact-wrapper {
  display: flex;
  gap: 4rem;
  align-items: center;
  margin-top: 3rem;
}

.contact-info {
  flex: 1;
  text-align: center;
}

.contact-info p {
  font-size: 1.3rem;
  color: var(--light-gray);
  margin-bottom: 2.5rem;
  max-width: 500px;
  margin: 0 auto 2.5rem;
}

.socials {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
}

.socials a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 55px;
  height: 55px;
  border-radius: var(--border-radius-full);
  background: rgba(255, 255, 255, 0.1);
  color: var(--light);
  font-size: 1.3rem;
  transition: var(--transition);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.light-mode .socials a {
  background: rgba(30, 41, 59, 0.1);
  color: var(--light);
  border: 1px solid rgba(30, 41, 59, 0.2);
}

.socials a:hover {
  background: var(--gradient-primary);
  color: white;
  transform: translateY(-7px);
  box-shadow: 0 10px 30px rgba(37, 99, 235, 0.3);
}

.contact-form {
  flex: 1;
  background: rgba(30, 41, 59, 0.5);
  border: 1.5px solid rgba(255, 255, 255, 0.15);
  border-radius: 16px;
  padding: 2.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12),
    0 8px 15px rgba(0, 0, 0, 0.07);
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 0.4s cubic-bezier(0.22, 1, 0.36, 1),
    border-color 0.4s ease, background 0.4s ease;
}

.a {
  margin-left: 14%;
  margin-top: -10%;
}

.light-mode .contact-form {
  background: #f8fafc;
  border: 1.5px solid rgba(30, 41, 59, 0.15);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05),
    0 8px 15px rgba(0, 0, 0, 0.03);
}

.contact-form:hover {
  transform: translateY(-14px) scale(1.07) rotateX(5deg) rotateY(3deg);
  border-color: #22D3EE;
  background: linear-gradient(145deg, #386486 0%, #121217 100%);
  box-shadow: 0 25px 40px rgba(0, 0, 0, 0.32),
    0 15px 30px rgba(34, 211, 238, 0.35);
  z-index: 20;
  color: #FFFFFF;
}

.light-mode .contact-form:hover {
  background: linear-gradient(145deg, #1E3A8A 0%, #f8fafc 100%);
  color: #1e293b;
  box-shadow: 0 25px 40px rgba(0, 0, 0, 0.15),
    0 15px 30px rgba(34, 211, 238, 0.25);
}

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

.input-group input,
.input-group textarea {
  width: 100%;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 12px;
  color: var(--light);
  font-size: 1.1rem;
  font-family: 'Poppins', sans-serif;
  transition: var(--transition);
  outline: none;
}

.light-mode .input-group input,
.light-mode .input-group textarea {
  background: rgba(30, 41, 59, 0.05);
  border: 1px solid rgba(30, 41, 59, 0.2);
  color: var(--light);
}

.input-group input:focus,
.input-group textarea:focus {
  border-color: var(--primary);
  background: rgba(255, 255, 255, 0.1);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.3);
}

.light-mode .input-group input:focus,
.light-mode .input-group textarea:focus {
  border-color: var(--primary);
  background: rgba(30, 41, 59, 0.1);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.3);
}

.input-group label {
  position: absolute;
  top: 50%;
  left: 1rem;
  transform: translateY(-50%);
  color: var(--light-gray);
  font-size: 1.1rem;
  pointer-events: none;
  transition: var(--transition);
}

.light-mode .input-group label {
  color: var(--light-gray);
}

.input-group input:focus ~ label,
.input-group input:not(:placeholder-shown) ~ label,
.input-group textarea:focus ~ label,
.input-group textarea:not(:placeholder-shown) ~ label {
  top: -0.5rem;
  left: 1rem;
  transform: translateY(0);
  font-size: 0.9rem;
  background: var(--darker);
  padding: 0 0.5rem;
  color: var(--primary);
}

.light-mode .input-group input:focus ~ label,
.light-mode .input-group input:not(:placeholder-shown) ~ label,
.light-mode .input-group textarea:focus ~ label,
.light-mode .input-group textarea:not(:placeholder-shown) ~ label {
  background: var(--darker);
  color: var(--primary);
}

.input-group textarea {
  min-height: 150px;
  resize: vertical;
  padding-top: 1.2rem;
}

button.btn {
  width: 100%;
  padding: 1rem 2rem;
  background: var(--gradient-primary);
  color: white;
  border: none;
  border-radius: 12px;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  font-family: 'Poppins', sans-serif;
}

button.btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(37, 99, 235, 0.4);
}

.download-cv-btn {
  display: inline-block;
  margin-top: 3rem;
  padding: 1rem 2rem;
  background: var(--gradient-primary);
  color: white;
  border: none;
  border-radius: 12px;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  text-align: center;
  font-family: 'Poppins', sans-serif;
}

.download-cv-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(37, 99, 235, 0.4);
}

#three-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
}

.btn-reveal {
  position: relative;
  padding: 50px 75px;
  font-size: 1.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  border-radius: 20px;
  overflow: hidden;
  background: transparent;
  border: 3px solid #4faec9;
  color: #4faec9;
  transition: color 0.5s ease-in-out;
}

.btn-reveal span {
  position: relative;
  z-index: 1;
}

.btn-reveal::before {
  content: '';
  position: absolute;
  left: 0;
  top: 100%;
  width: 100%;
  height: 100%;
  background-color: #357587;
  z-index: 0;
  border-radius: 20px;
  transition: top 0.4s cubic-bezier(0.77, 0, 0.175, 1);
}

.btn-reveal:hover {
  color: #fff;
  transition-delay: 0.1s;
}

.btn-reveal:hover::before {
  top: 0;
}

.btn-waterfall-glow {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 22px 40px;
  font-size: 1.4rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: #c0c0c0;
  background: #2c4959;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  overflow: hidden;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
  transition: all 0.4s ease-in-out;
  text-decoration: none;
}

.btn-waterfall-glow:hover {
  color: #ffffff;
  background: #357587;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
  transform: translateY(-3px);
}

.btn-waterfall-glow::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(79, 174, 201, 0.4),
    transparent
  );
  transition: left 0.8s ease-in-out;
  transform: skewX(-20deg);
  z-index: 0;
}

.btn-waterfall-glow:hover::before {
  left: 100%;
}

.btn-waterfall-glow span {
  position: relative;
  z-index: 1;
}
/* Styles for Header Buttons Wrapper and Hamburger Button */
.header-buttons {
    display: flex;
    align-items: center;
    gap: 1.2rem;
}

#hamburger-btn {
    background: none;
    border: none;
    font-size: 1.6rem;
    color: var(--primary);
    cursor: pointer;
    display: none; /* Hidden on desktop */
    z-index: 1001;
}

#hamburger-btn:hover {
    color: var(--accent);
}
@media (max-width: 992px) {
    .container {
        padding: 0 2.5rem;
    }
    .custom-image-shape {
        width: 320px;
        height: 320px;
        margin-left: auto;
        margin-right: auto;
    }
    .hero-content, .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-text p, .about-text p {
        margin-left: auto;
        margin-right: auto;
    }
    .social-links {
        justify-content: center;
    }
    .a {
        margin-left: 0;
        margin-top: 1rem;
        text-align: center;
    }
}

@media (max-width: 768px) {
    /* Make header a single row and show hamburger */
    .header-content {
        flex-direction: row;
        justify-content: space-between;
        padding: 1.2rem 0;
    }

    /* Show hamburger button */
    #hamburger-btn {
        display: block;
    }
    
    /* Style the navigation for mobile */
    nav {
        order: 3; /* Move nav to the end for flexbox ordering */
    }

    nav ul {
        display: none; /* Hide by default */
        flex-direction: column;
        position: absolute;
        top: 80px; /* Adjust based on your header height */
        left: 0;
        width: 100%;
        background: rgba(15, 23, 42, 0.98);
        padding: 1rem 0;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .light-mode nav ul {
        background: rgba(241, 245, 249, 0.98);
        border-top: 1px solid rgba(30, 41, 59, 0.1);
    }
    
    /* Class to show the menu */
    nav.active ul {
        display: flex;
    }

    nav a {
        padding: 1rem 2rem;
        text-align: center;
        width: 100%;
        display: block;
    }
    nav a:hover:after {
        width: 50%;
        left: 25%;
    }

    /* Adjust font sizes */
    .hero-text h1 { font-size: 3.2rem; }
    .hero-text h2 { font-size: 1.5rem; }
    .section-header h2 { font-size: 2.8rem; }

    .skills-grid, .projects-grid {
        grid-template-columns: 1fr;
    }

    .contact-wrapper {
        flex-direction: column;
        gap: 3rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1.5rem;
    }
    .hero-text h1 {
        font-size: 2.5rem;
    }
    .section-header h2 {
        font-size: 2.2rem;
    }
    .custom-image-shape {
        width: 220px;
        height: 220px;
    }
    .stats {
        grid-template-columns: 1fr;
    }
    .contact-form {
        padding: 1.5rem;
    }
    .btn, .download-cv-btn {
        width: 100%;
        padding: 0.9rem 1.5rem;
        font-size: 1rem;
    }
}

@media (max-width: 768px) {

    .skills-grid,
    .projects-grid,
    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }

    
    .hero-text h2,
    .about-tagline,
    footer h1 {
        white-space: normal !important; 
    }

    .hero-text h2 {
        animation: none; 
        border-right: none; 
        width: auto; 
        display: inline-block;
    }

    .custom-image-shape {
        width: 80vw; 
        height: 80vw;
        max-width: 300px; 
        max-height: 300px;
        margin: 0 auto; 
    }

}
.cert-badge {
    overflow: hidden;
    height: 300px;          
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;              
    box-sizing: border-box;
}

.cert-image {
    width: 100%;
    height: 100%;
    object-fit: contain;   
    border-radius: 8px;      
    border: none;         
}