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

:root {
  --bg-primary: #060913;
  --bg-secondary: #0c1328;
  --bg-glass: rgba(12, 19, 40, 0.45);
  --bg-glass-hover: rgba(18, 28, 59, 0.65);
  --border-glass: rgba(255, 255, 255, 0.06);
  --border-glass-hover: rgba(0, 240, 255, 0.25);
  
  --accent-cyan: #00f0ff;
  --accent-blue: #3a86ff;
  --accent-violet: #8a2be2;
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --font-main: 'Plus Jakarta Sans', sans-serif;
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --glow-cyan: 0 0 20px rgba(0, 240, 255, 0.35);
  --glow-blue: 0 0 20px rgba(58, 134, 255, 0.35);
}

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

html {
  scroll-behavior: smooth;
}

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

/* Background Ambient Glows */
.ambient-glows {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: -2;
  overflow: hidden;
}

.glow-1 {
  position: absolute;
  top: -10%;
  left: -10%;
  width: 60vw;
  height: 60vw;
  background: radial-gradient(circle, rgba(0, 240, 255, 0.08) 0%, rgba(58, 134, 255, 0.02) 50%, transparent 100%);
  filter: blur(80px);
  animation: floatGlow 15s infinite alternate ease-in-out;
}

.glow-2 {
  position: absolute;
  bottom: -10%;
  right: -10%;
  width: 50vw;
  height: 50vw;
  background: radial-gradient(circle, rgba(138, 43, 226, 0.08) 0%, rgba(58, 134, 255, 0.02) 50%, transparent 100%);
  filter: blur(80px);
  animation: floatGlow2 18s infinite alternate ease-in-out;
}

@keyframes floatGlow {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(5%, 10%) scale(1.1); }
}

@keyframes floatGlow2 {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(-8%, -12%) scale(1.15); }
}

/* Typography & Layout Utilities */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

section {
  padding: 8rem 0 4rem;
  position: relative;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 3.5rem;
  background: linear-gradient(135deg, #ffffff 30%, var(--accent-cyan) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-blue));
  border-radius: 2px;
}

/* Glassmorphism Common Class */
.glass-panel {
  background: var(--bg-glass);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border: 1px solid var(--border-glass);
  border-radius: 16px;
}

/* Navbar */
header {
  position: fixed;
  top: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  width: 90%;
  max-width: 1100px;
  z-index: 100;
  transition: var(--transition-smooth);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  border-radius: 24px;
  background: rgba(6, 9, 19, 0.6);
  backdrop-filter: blur(12px) saturate(180%);
  -webkit-backdrop-filter: blur(12px) saturate(180%);
  border: 1px solid var(--border-glass);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
  transition: var(--transition-smooth);
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  text-decoration: none;
  color: var(--text-primary);
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo span {
  color: var(--accent-cyan);
  text-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
}

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

.nav-links a {
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition-smooth);
  position: relative;
  padding: 0.25rem 0;
}

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

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-blue));
  transition: var(--transition-smooth);
  border-radius: 1px;
}

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

.contact-btn {
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.1), rgba(58, 134, 255, 0.1));
  border: 1px solid var(--accent-cyan);
  color: var(--accent-cyan);
  padding: 0.6rem 1.4rem;
  border-radius: 20px;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  transition: var(--transition-smooth);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.1);
}

.contact-btn:hover {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  color: #060913;
  box-shadow: var(--glow-cyan);
  transform: translateY(-2px);
  border-color: transparent;
}

/* Burger Menu (Mobile Only) */
.burger-menu {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  cursor: pointer;
}

.burger-menu span {
  width: 100%;
  height: 2px;
  background-color: var(--text-primary);
  transition: var(--transition-smooth);
}

/* Hero Section */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 10rem;
}

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

.hero-content h1 {
  font-size: 4rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.hero-content h1 span.gradient-text {
  background: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-blue) 50%, var(--accent-violet) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: block;
}

.hero-content p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 600px;
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  color: #060913;
  padding: 0.8rem 2rem;
  border-radius: 30px;
  font-weight: 700;
  text-decoration: none;
  transition: var(--transition-smooth);
  box-shadow: var(--glow-cyan);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 30px rgba(0, 240, 255, 0.6);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
  padding: 0.8rem 2rem;
  border-radius: 30px;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition-smooth);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--text-secondary);
  transform: translateY(-2px);
}

/* Hero Avatar / Card Visual */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.visual-box {
  width: min(300px, 75vw);
  height: min(300px, 75vw);
  max-width: 100%;
  position: relative;
  border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
  background: linear-gradient(45deg, rgba(0, 240, 255, 0.2), rgba(138, 43, 226, 0.2));
  border: 2px solid var(--accent-cyan);
  box-shadow: var(--glow-cyan);
  animation: morphBlob 8s ease-in-out infinite alternate;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

.visual-box::after {
  content: '</>';
  font-family: monospace;
  font-size: 5rem;
  font-weight: bold;
  color: rgba(0, 240, 255, 0.7);
  text-shadow: 0 0 20px rgba(0, 240, 255, 0.8);
}

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

/* About Section */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.about-text h3 {
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

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

.tech-container {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.tech-group h4 {
  font-size: 1.1rem;
  color: var(--accent-cyan);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.tech-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.tech-badge {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  padding: 0.5rem 1.2rem;
  border-radius: 30px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: var(--transition-smooth);
}

.tech-badge:hover {
  background: var(--bg-glass-hover);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  transform: scale(1.05);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.15);
}

/* Projects Section */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2.5rem;
  width: 100%;
  box-sizing: border-box;
}

.projects-grid > *,
.certificates-grid > * {
  min-width: 0;
  max-width: 100%;
  box-sizing: border-box;
}

.hidden-card {
  display: none !important;
}

.projects-controls {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 3.5rem;
}

.btn-control {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
  padding: 0.8rem 2rem;
  border-radius: 30px;
  font-weight: 600;
  font-family: var(--font-main);
  cursor: pointer;
  transition: var(--transition-smooth);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-control-more {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.15);
}

.btn-control-more:hover {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  color: #060913;
  box-shadow: var(--glow-cyan);
  transform: translateY(-2px);
  border-color: transparent;
}

.btn-control-less {
  border-color: var(--text-muted);
  color: var(--text-secondary);
}

.btn-control-less:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--text-secondary);
  color: var(--text-primary);
  transform: translateY(-2px);
}

.project-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  overflow: hidden;
  box-sizing: border-box;
  transition: var(--transition-smooth);
}

.project-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-glass-hover);
  box-shadow: 0 10px 30px rgba(0, 240, 255, 0.1);
}

.project-header {
  padding: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  min-width: 0;
  box-sizing: border-box;
  border-bottom: 1px solid var(--border-glass);
}

.project-header > div:first-child {
  min-width: 0;
  flex: 1 1 auto;
}

.project-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
  word-break: break-word;
  overflow-wrap: break-word;
}

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

.project-version {
  font-size: 0.75rem;
  font-weight: 700;
  background: rgba(58, 134, 255, 0.15);
  border: 1px solid rgba(58, 134, 255, 0.3);
  color: var(--accent-blue);
  padding: 0.2rem 0.6rem;
  border-radius: 8px;
  white-space: nowrap;
}

.project-badges {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.4rem;
  flex-shrink: 0;
}

.project-status {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  line-height: 1;
  white-space: nowrap;
}

.project-status.archived {
  background: rgba(148, 163, 184, 0.1);
  border: 1px solid rgba(148, 163, 184, 0.25);
  color: var(--text-secondary);
}

/* Carousel Container for Project Cards */
.project-carousel-container {
  position: relative;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  height: 220px;
  overflow: hidden;
  box-sizing: border-box;
  border-bottom: 1px solid var(--border-glass);
}

/* Image Container with Consistent Aspect Ratio */
.project-img-wrapper {
  position: relative;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  height: 100%;
  background: radial-gradient(circle, var(--bg-secondary) 40%, var(--bg-primary) 100%);
  overflow: hidden;
  cursor: pointer;
  box-sizing: border-box;
}

/* Carousel Track (Horizontal slide container) */
.carousel-track {
  display: flex;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  height: 100%;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  box-sizing: border-box;
}

/* Carousel Slide (Multiple Images support) */
.carousel-slide {
  flex: 0 0 100%;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  position: relative;
  box-sizing: border-box;
}

/* Responsive Fitting Rules for Screenshot Mockups */
.project-img-wrapper.horizontal .carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: var(--transition-smooth);
}

.project-img-wrapper.vertical .carousel-slide img {
  height: 90%;
  width: auto;
  aspect-ratio: 9/16;
  border-radius: 12px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.4);
  object-fit: contain;
  transition: var(--transition-smooth);
}

.project-img-wrapper.horizontal .carousel-slide img:hover {
  transform: scale(1.04);
}

.project-img-wrapper.vertical .carousel-slide img:hover {
  transform: scale(1.04);
}

.project-overlay-icon {
  position: absolute;
  top: 10px;
  right: 10px;
  background: rgba(6, 9, 19, 0.7);
  backdrop-filter: blur(5px);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  border: 1px solid var(--border-glass);
  color: var(--accent-cyan);
  opacity: 0;
  transition: var(--transition-smooth);
  pointer-events: none;
  z-index: 5;
}

.project-img-wrapper:hover .project-overlay-icon {
  opacity: 1;
}

/* Carousel Nav Navigation buttons (prev/next) */
.carousel-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(6, 9, 19, 0.7);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  z-index: 10;
  opacity: 1;
  transition: var(--transition-smooth);
}

.carousel-nav:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
}

.prev-btn {
  left: 10px;
}

.next-btn {
  right: 10px;
}

/* Carousel Dots Indicator */
.carousel-dots {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 6px;
  z-index: 10;
}

.carousel-dots .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.carousel-dots .dot:hover {
  background: rgba(255, 255, 255, 0.6);
}

.carousel-dots .dot.active {
  background: var(--accent-cyan);
  box-shadow: 0 0 8px var(--accent-cyan);
  width: 14px;
  border-radius: 4px;
}

.project-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-purpose {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  max-height: 4.8rem;
  transition: max-height 0.4s ease;
}

.project-purpose.expanded {
  -webkit-line-clamp: unset;
  line-clamp: unset;
  max-height: 500px;
}

.read-more-btn {
  background: transparent;
  border: none;
  color: var(--accent-cyan);
  box-shadow: none;
  padding: 0;
  font-weight: 600;
  font-family: var(--font-main);
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--transition-smooth);
  align-self: flex-start;
  margin-bottom: 1rem;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.read-more-btn:hover {
  background: transparent;
  color: var(--text-primary);
  box-shadow: none;
  transform: none;
  text-shadow: 0 0 8px rgba(0, 240, 255, 0.6);
}

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

.project-tech span {
  font-size: 0.75rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-glass);
  padding: 0.2rem 0.6rem;
  border-radius: 6px;
  color: var(--text-secondary);
}

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

.project-links a {
  flex: 1;
  text-align: center;
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.6rem 0.8rem;
  border-radius: 8px;
  transition: var(--transition-smooth);
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
}

.link-demo {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  color: #060913;
}

.link-demo:hover {
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.4);
  transform: translateY(-2px);
}

.link-code {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
}

.link-code:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

/* Contact Section */
.contact-intro {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 3.5rem;
}

.contact-intro h3 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
}

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

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  padding: 1.2rem 1.5rem;
  text-decoration: none;
  color: inherit;
  transition: var(--transition-smooth);
}

.contact-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-glass-hover);
  box-shadow: 0 10px 25px rgba(0, 240, 255, 0.1);
  background: rgba(255, 255, 255, 0.02);
}

.contact-icon {
  width: 44px;
  height: 44px;
  background: rgba(0, 240, 255, 0.1);
  border: 1px solid var(--accent-cyan);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  align-items: center;
  color: var(--accent-cyan);
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.1);
  flex-shrink: 0;
}

.contact-details h4 {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 0.1rem;
}

.contact-details p {
  font-size: 0.95rem;
  color: var(--text-primary);
  margin-bottom: 0;
  font-weight: 600;
  word-break: break-all;
}

@media (max-width: 992px) {
  .contact-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

/* Footer */
footer {
  padding: 3rem 0;
  border-top: 1px solid var(--border-glass);
  background: rgba(6, 9, 19, 0.8);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Modal View */
.image-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(6, 9, 19, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 1000;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.image-modal.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content-wrapper {
  position: relative;
  width: 90%;
  height: 80vh;
  max-width: 90vw;
  max-height: 80vh;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

/* Modal Carousel Track (Horizontal slide container) */
.modal-carousel-track {
  display: flex;
  width: 100%;
  height: 100%;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Modal Slide (viewport for each slide) */
.modal-slide {
  flex: 0 0 100%;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.modal-img {
  max-width: 100%;
  max-height: 100%;
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.1);
  object-fit: contain;
  will-change: transform;
  touch-action: none;
  -webkit-user-select: none;
  user-select: none;
  transform-origin: center center;
}

.modal-close {
  position: absolute;
  top: -45px;
  right: 0;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 2rem;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.modal-close:hover {
  color: var(--accent-cyan);
}

/* Modal Navigation Buttons */
.modal-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(12, 19, 40, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  z-index: 1010;
  transition: var(--transition-smooth);
}

.modal-nav:hover {
  background: rgba(18, 28, 59, 0.8);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  box-shadow: var(--glow-cyan);
}

.modal-prev-btn {
  left: 2rem;
}

.modal-next-btn {
  right: 2rem;
}

/* Modal Carousel Dots Indicator */
.modal-carousel-dots {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 1010;
}

.modal-carousel-dots .modal-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.35);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.modal-carousel-dots .modal-dot:hover {
  background: rgba(255, 255, 255, 0.7);
}

.modal-carousel-dots .modal-dot.active {
  background: var(--accent-cyan);
  box-shadow: 0 0 10px var(--accent-cyan);
  width: 16px;
  border-radius: 4px;
}

/* Certificates Section */
.certificates-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr));
  gap: 2rem;
}

.certificate-card {
  display: flex;
  flex-direction: column;
  padding: 0;
  height: 100%;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.certificate-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-glass-hover);
  box-shadow: 0 10px 30px rgba(0, 240, 255, 0.1);
}

.cert-img-wrapper {
  position: relative;
  width: 100%;
  height: 190px;
  background: radial-gradient(circle, var(--bg-secondary) 40%, var(--bg-primary) 100%);
  overflow: hidden;
  cursor: pointer;
  border-bottom: 1px solid var(--border-glass);
}

.cert-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: var(--transition-smooth);
  padding: 0.5rem;
}

.cert-img-wrapper:hover img {
  transform: scale(1.04);
}

.cert-overlay-icon {
  position: absolute;
  top: 10px;
  right: 10px;
  background: rgba(6, 9, 19, 0.7);
  backdrop-filter: blur(5px);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  border: 1px solid var(--border-glass);
  color: var(--accent-cyan);
  opacity: 0;
  transition: var(--transition-smooth);
  pointer-events: none;
  z-index: 5;
}

.cert-img-wrapper:hover .cert-overlay-icon {
  opacity: 1;
}

.cert-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.cert-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1.5rem;
}

.cert-icon {
  width: 44px;
  height: 44px;
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid rgba(0, 240, 255, 0.2);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  align-items: center;
  color: var(--accent-cyan);
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.1);
}

.cert-badge {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-glass);
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.cert-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
  line-height: 1.4;
}

.cert-issuer {
  font-size: 0.88rem;
  color: var(--accent-cyan);
  font-weight: 600;
  margin-bottom: 0.2rem;
}

.cert-date {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 0.8rem;
}

.cert-description {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.cert-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.5rem;
}

.cert-tech span {
  font-size: 0.7rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  padding: 0.2rem 0.6rem;
  border-radius: 10px;
  color: var(--text-secondary);
}

.cert-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-cyan);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  align-self: flex-start;
  transition: var(--transition-smooth);
  border-bottom: 1px dashed transparent;
  padding-bottom: 2px;
}

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

/* Responsive CSS */
@media (max-width: 992px) {
  .hero-wrapper {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
  }
  
  .hero-content h1 {
    font-size: 3rem;
  }
  
  .hero-content p {
    margin: 0 auto 2.5rem;
  }
  
  .hero-buttons {
    justify-content: center;
  }
  
  .about-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .contact-wrapper {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 1.25rem;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }

  .hero-content h1 {
    font-size: 2.2rem;
    line-height: 1.2;
  }
  
  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: rgba(6, 9, 19, 0.95);
    border: 1px solid var(--border-glass);
    border-radius: 16px;
    padding: 2rem;
    gap: 1.5rem;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  }
  
  .nav-links.active {
    display: flex;
  }
  
  .burger-menu {
    display: flex;
  }
  
  .burger-menu.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
  }
  
  .burger-menu.active span:nth-child(2) {
    opacity: 0;
  }
  
  .burger-menu.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
  }
  
  .contact-btn {
    display: none;
  }

  .modal-nav {
    width: 40px;
    height: 40px;
    background: rgba(12, 19, 40, 0.85);
  }

  .modal-prev-btn {
    left: 1rem;
  }

  .modal-next-btn {
    right: 1rem;
  }

  .projects-grid,
  .certificates-grid {
    grid-template-columns: 100% !important;
    gap: 1.5rem;
    width: 100%;
    box-sizing: border-box;
    margin: 0 auto;
  }

  .project-card,
  .certificate-card {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    margin: 0 auto;
    box-sizing: border-box;
  }
}

@media (max-width: 576px) {
  .container {
    padding: 0 1rem;
  }

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

  .project-header,
  .project-body,
  .cert-body {
    padding: 1.2rem;
  }

  .project-title {
    font-size: 1.1rem;
  }
}