@font-face {
  font-family: 'Space Grotesk';
  src: url('../fonts/SpaceGrotesk-2.0.0/woff2/SpaceGrotesk[wght].woff2') format('woff2');
  font-weight: 300 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Fira Code';
  src: url('../fonts/Fira_Code_v6.2/woff2/FiraCode-VF.woff2') format('woff2');
  font-weight: 300 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg-primary: #050505;
  --bg-secondary: #0a0a0a;
  --bg-tertiary: #111111;

  --text-primary: #ededed;
  --text-secondary: #a1a1a1;
  --text-tertiary: #555555;

  --accent-cyan: #00f3ff;
  --accent-purple: #bc13fe;
  --accent-gradient: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple));

  --neon-glow-cyan: 0 0 10px rgba(0, 243, 255, 0.5), 0 0 20px rgba(0, 243, 255, 0.3);
  --neon-glow-purple: 0 0 10px rgba(188, 19, 254, 0.5), 0 0 20px rgba(188, 19, 254, 0.3);

  --border-color: rgba(255, 255, 255, 0.1);
  --border-active: var(--accent-cyan);

  --font-tech: 'Space Grotesk', system-ui, sans-serif;
  --font-mono: 'Fira Code', monospace;

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.4s cubic-bezier(0.4, 0, 0.2, 1);

  --nav-height: 80px;
}

[data-theme='light'] {
  --bg-primary: #ffffff;
  --bg-secondary: #f4f4f4;
  --bg-tertiary: #e0e0e0;

  --text-primary: #000000;
  --text-secondary: #333333;
  --text-tertiary: #555555;

  --border-color: rgba(0, 0, 0, 0.15);

  --accent-cyan: #008ba3;
  --accent-purple: #7b00a3;
}

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

::selection {
  background: var(--accent-cyan);
  color: #000;
}

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

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

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

ul {
  list-style: none;
}

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

.background-grid {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(var(--border-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-color) 1px, transparent 1px);
  background-size: 40px 40px;
  background-position: center;
  opacity: 0.3;
  z-index: -1;
  pointer-events: none;
  mask-image: radial-gradient(circle at center, black 0%, transparent 80%);
}

.background-gradient {
  display: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: var(--text-primary);
}

h1 {
  font-size: clamp(3rem, 6vw, 5rem);
  line-height: 1;
}

h2 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  position: relative;
  display: inline-block;
}

h2::before {
  content: '//';
  color: var(--accent-cyan);
  margin-right: 0.5rem;
}

h3 {
  font-size: 1.25rem;
  letter-spacing: 0.05em;
}

.accent-dot {
  display: none;
}

.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 8rem 0;
  border-bottom: 1px solid var(--border-color);
}

.bg-alt {
  background-color: var(--bg-secondary);
}

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  z-index: 1000;
  background: rgba(5, 5, 5, 0.9);
  backdrop-filter: blur(5px);
  border-bottom: 1px solid var(--border-color);
  transition: all var(--transition-normal);
}

[data-theme='light'] .navbar {
  background: rgba(255, 255, 255, 0.95);
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.navbar.scrolled {
  height: 65px;
  background: rgba(5, 5, 5, 0.85);
  backdrop-filter: blur(12px);
}

[data-theme='light'] .navbar.scrolled {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
}

.navbar.hidden-mobile {
  transform: translateY(-100%);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

.logo {
  font-family: var(--font-tech);
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -0.05em;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.logo:hover {
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.1);
}

.logo .prompt {
  color: var(--accent-cyan);
  margin-right: 6px;
  font-weight: 900;
  transition: all var(--transition-fast);
}

.logo:hover .prompt {
  color: var(--accent-purple);
  text-shadow: var(--neon-glow-purple);
}

.logo .cursor {
  color: var(--accent-cyan);
  margin-left: 2px;
  opacity: 0;
  animation: blink 1.2s step-end infinite;
  transition: opacity var(--transition-fast);
}

.logo:hover .cursor {
  opacity: 1;
}

@media(max-width: 1150px) and (min-width: 851px) {
  .logo {
    display: none;
  }
}



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

@media(max-width: 850px) {
  .nav-links {
    display: none;
  }
}

.nav-link {
  font-family: var(--font-tech);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  position: relative;
  padding: 0.5rem 0;
}

[data-theme='light'] .nav-link {
  color: #333 !important;
}

.nav-link:hover,
.nav-link.active {
  color: var(--accent-cyan) !important;
}

.nav-link::before {
  content: '[';
  margin-right: 5px;
  opacity: 0;
  transition: opacity var(--transition-fast);
  color: var(--accent-cyan);
}

.nav-link::after {
  content: ']';
  margin-left: 5px;
  opacity: 0;
  transition: opacity var(--transition-fast);
  color: var(--accent-cyan);
}

.nav-link:hover::before,
.nav-link.active::before,
.nav-link:hover::after,
.nav-link.active::after {
  opacity: 1;
}

.btn-contact {
  border: 1px solid var(--accent-cyan);
  padding: 0.5rem 1.5rem !important;
  color: var(--accent-cyan) !important;
  transition: all 0.3s ease;
  margin-left: 1rem;
}

.btn-contact::before,
.btn-contact::after {
  display: none !important;
  content: none !important;
}

.btn-contact:hover {
  background: var(--accent-cyan);
  color: #000 !important;
  box-shadow: 0 0 15px var(--accent-cyan);
}

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

.mobile-menu-btn {
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  display: none;
}

@media(max-width: 850px) {
  .mobile-menu-btn {
    display: flex;
  }
}

.menu-icon {
  display: flex;
  flex-direction: column;
  gap: 6px;
  width: 28px;
  position: relative;
}

.menu-icon .bar {
  display: block;
  height: 2px;
  width: 24px;
  background-color: var(--text-primary);
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.bar-2 {
  background-color: var(--accent-cyan) !important;
}

.mobile-menu-btn:hover .bar-1 {
  transform: translateY(-2px);
}

.mobile-menu-btn:hover .bar-2 {
  width: 28px;
}

.mobile-menu-btn:hover .bar-3 {
  transform: translateY(2px);
}

.close-menu-btn {
  background: none;
  border: none;
  cursor: pointer;
  position: absolute;
  top: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  z-index: 1200;
}

.close-menu-btn::before,
.close-menu-btn::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 2px;
  background-color: var(--text-primary);
  transition: all 0.3s ease;
}

.close-menu-btn::before {
  transform: rotate(45deg);
}

.close-menu-btn::after {
  transform: rotate(-45deg);
}

.close-menu-btn:hover::before,
.close-menu-btn:hover::after {
  background-color: var(--accent-purple);
  width: 28px;
}

.theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
  transition: color var(--transition-fast);
}

.theme-toggle:hover {
  color: var(--accent-cyan);
  filter: drop-shadow(0 0 8px rgba(0, 243, 255, 0.6));
}

.sun-and-moon> :is(.moon, .sun, .sun-beams) {
  transform-origin: center center;
  transition: transform .5s cubic-bezier(.5, 1.25, .75, 1.25), opacity .5s cubic-bezier(.25, 0, .3, 1);
}

.sun-and-moon>.sun-beams {
  stroke-width: 2px;
  stroke-linecap: round;
}

[data-theme="light"] .sun-and-moon>.sun {
  transform: scale(1.75);
}

[data-theme="light"] .sun-and-moon>.sun-beams {
  opacity: 0;
  transform: rotateZ(-25deg);
}

[data-theme="light"] .sun-and-moon>.moon>circle {
  transform: translateX(-7px);
}


.mobile-menu-overlay {
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  max-width: 400px;
  height: 100vh;
  background-color: var(--bg-primary);
  border-left: 1px solid var(--accent-cyan);
  z-index: 1100;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  transform: translateX(100%);
  transition: transform var(--transition-normal);
}

.mobile-menu-overlay.active {
  transform: translateX(0);
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  text-align: center;
}

.mobile-nav-links a {
  text-transform: uppercase;
  font-size: 2rem;
  letter-spacing: 0.05em;
  color: var(--text-primary);
}

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

.close-menu-btn {
  position: absolute;
  top: 2rem;
  right: 2rem;
  font-size: 2rem;
}

.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--nav-height);
}

.hero-container {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 2rem;
}

@media(max-width: 900px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

.badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: transparent;
  color: var(--accent-cyan);
  border: 1px solid var(--accent-cyan);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  margin-bottom: 2rem;
}

.hero-description-wrapper {
  margin-bottom: 3rem;
  min-height: 95px;
}

.hero-description {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  color: var(--text-secondary);
  border-left: 2px solid var(--accent-purple);
  padding-left: 1.5rem;
  max-width: 600px;
  margin: 0;
}

@media(max-width: 900px) {
  .hero-description-wrapper {
    margin: 0 auto 3rem auto;
    min-height: 130px;
  }

  .hero-description {
    text-align: left;
    margin: 0 auto;
  }
}

@media(max-width: 480px) {
  .hero-description-wrapper {
    min-height: 170px;
  }
}

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

@media(max-width: 900px) {
  .hero-buttons {
    justify-content: center;
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 1rem 2rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: all var(--transition-fast);
  cursor: pointer;
  border: none;
  font-size: 0.9rem;
  position: relative;
  z-index: 1;
}

.btn-primary {
  background: var(--accent-cyan);
  color: #000;
  clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
}

.btn-primary:hover {
  background: #fff;
  transform: translateY(-2px);
}

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

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

.image-wrapper {
  position: relative;
  width: 100%;
  max-width: 450px;
  aspect-ratio: 1;
  margin: 0 auto;
  border: 1px solid var(--border-color);
  padding: 1.5rem;
  background: transparent;
  transition: border-color var(--transition-normal);
}

.image-wrapper::before,
.image-wrapper::after {
  content: '';
  position: absolute;
  width: 25px;
  height: 25px;
  border: 3px solid var(--accent-cyan);
  transition: all var(--transition-normal);
  z-index: 2;
}

.image-wrapper::before {
  top: -2px;
  left: -2px;
  border-right: none;
  border-bottom: none;
}

.image-wrapper::after {
  bottom: -2px;
  right: -2px;
  border-left: none;
  border-top: none;
  border-color: var(--accent-purple);
}

.image-wrapper:hover {
  border-color: var(--border-color);
}

.image-wrapper:hover::before {
  top: 1rem;
  left: 1rem;
  border-color: var(--accent-purple);
}

.image-wrapper:hover::after {
  bottom: 1rem;
  right: 1rem;
  border-color: var(--accent-cyan);
}

.image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  clip-path: polygon(15% 0%, 85% 0%, 100% 15%, 100% 85%, 85% 100%, 15% 100%, 0% 85%, 0% 15%);
  transition: transform var(--transition-normal), filter var(--transition-normal);
}

.image-wrapper:hover img {
  transform: scale(1.02);
}

.stats-bar {
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-secondary);
  padding: 4rem 0;
  margin-top: -1px;
}

.stats-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.stat-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
}

.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  top: 10%;
  height: 80%;
  width: 1px;
  background: var(--border-color);
  opacity: 0.5;
}

.stat-item i {
  color: var(--accent-cyan);
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.stat-item strong {
  font-size: 3rem;
  line-height: 1;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.stat-item span {
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

@media(max-width: 768px) {
  .stats-container {
    flex-direction: column;
    gap: 3rem;
  }

  .stat-item:not(:last-child)::after {
    display: none;
  }
}

.timeline-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
}

@media(max-width: 900px) {
  .timeline-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

.timeline-column>h3 {
  color: var(--accent-purple);
  border-bottom: 2px solid var(--accent-purple);
  padding-bottom: 1rem;
  display: inline-block;
  margin-bottom: 3rem;
}

.timeline {
  border-left: 1px solid var(--border-color);
  padding-left: 2rem;
}

.timeline-card {
  position: relative;
  margin-bottom: 3rem;
  padding: 0;
  border: none;
  background: transparent;
}

.timeline-card::before {
  content: '';
  position: absolute;
  left: -2.35rem;
  top: 0.5rem;
  width: 10px;
  height: 10px;
  background: var(--bg-primary);
  border: 2px solid var(--text-tertiary);
  transform: rotate(45deg);
  transition: all var(--transition-fast);
}

.timeline-card:hover::before {
  background: var(--accent-cyan);
  border-color: var(--accent-cyan);
  box-shadow: 0 0 10px var(--accent-cyan);
}

.timeline-card .date {
  font-family: var(--font-mono);
  color: var(--accent-cyan);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
  display: block;
}

.timeline-card h4 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.timeline-card .company {
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.85rem;
  margin-bottom: 1rem;
}

.company-link {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  padding: 0.4rem 0.8rem;
  margin: -0.4rem -0.8rem;
  border-radius: 6px;
  background: transparent;
  width: fit-content;
}

.company-link:hover {
  color: var(--accent-cyan);
  background: rgba(var(--accent-cyan-rgb, 0, 243, 255), 0.05);
}

[data-theme='light'] .company-link:hover {
  background: rgba(0, 139, 163, 0.05);
}

.company-favicon {
  width: 18px;
  height: 18px;
  border-radius: 4px;
  object-fit: contain;
  filter: grayscale(0.2) contrast(1.1);
  transition: filter var(--transition-fast);
}

.company-link:hover .company-favicon {
  filter: grayscale(0) contrast(1.2);
}

.company-link i {
  font-size: 0.7rem;
  opacity: 0;
  transform: translateY(2px);
  transition: all var(--transition-fast);
}

.company-link:hover i {
  opacity: 1;
  transform: translateY(0);
}

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

.cyber-card {
  position: relative;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 2.5rem 2rem;
  transition: all var(--transition-normal);
  overflow: hidden;
}

.cyber-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-cyan), transparent);
  transition: all var(--transition-normal);
}

.cyber-card:hover {
  border-color: var(--accent-purple);
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

[data-theme='light'] .cyber-card:hover {
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.cyber-card:hover::before {
  background: linear-gradient(90deg, var(--accent-purple), var(--accent-cyan));
}

.cyber-card h3 {
  font-size: 1.3rem;
  color: var(--text-primary);
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.cyber-card h3 i {
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  font-size: 1.5rem;
}

.cyber-card:hover h3 i {
  color: var(--accent-cyan);
}

.skill-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.skill-pill {
  font-size: 0.85rem;
  font-family: var(--font-mono);
  padding: 0.4rem 0.8rem;
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.skill-pill:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-purple);
  background: rgba(0, 243, 255, 0.05);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2.5rem;
}

.project-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  height: 100%;
  padding: 2.5rem;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 30px;
  height: 30px;
  background: linear-gradient(135deg, transparent 50%, var(--accent-cyan) 50%);
  opacity: 0.5;
  transition: opacity var(--transition-fast);
}

.project-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-cyan);
  box-shadow: inset 0 0 20px rgba(0, 243, 255, 0.05);
}

.project-card:hover::before {
  opacity: 1;
}

.project-content {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.project-content h3 {
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
}

.project-content p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 2.5rem;
  flex-grow: 1;
}

.project-footer {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-top: auto;
  gap: 1rem;
}

.project-tags {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  align-items: flex-start;
}

.project-tags span {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-tertiary);
  text-transform: uppercase;
}

.project-tags span::before {
  content: '> ';
  color: var(--accent-cyan);
}

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

.project-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-cyan);
  padding: 0.8rem 1.5rem;
  border: 1px solid var(--accent-cyan);
  transition: all var(--transition-fast);
  background: rgba(0, 243, 255, 0.05);
  height: 48px;
}

.project-links a.btn-square {
  padding: 0;
  width: 48px;
  flex-shrink: 0;
}

.project-links a:hover {
  background: var(--accent-cyan);
  color: #000;
  box-shadow: var(--neon-glow-cyan);
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.cert-card {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 1.5rem 2rem;
  position: relative;
  transition: all var(--transition-normal);
  overflow: hidden;
  text-decoration: none;
  border-radius: 4px;
}

.cert-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--accent-cyan);
  transition: all var(--transition-normal);
  transform: scaleY(0);
}

.cert-card:hover {
  border-color: var(--accent-cyan);
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

[data-theme='light'] .cert-card:hover {
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.cert-card:hover::before {
  transform: scaleY(1);
  background: var(--accent-purple);
}

.cert-card::after {
  content: '\f35d';
  font-family: 'Font Awesome 5 Free';
  font-weight: 900;
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  color: var(--text-tertiary);
  font-size: 1rem;
  opacity: 0;
  transform: translateX(-10px);
  transition: all var(--transition-fast);
}

.cert-card:hover::after {
  opacity: 1;
  transform: translateX(0);
  color: var(--accent-cyan);
}

.cert-badge {
  width: 80px;
  height: 80px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  filter: drop-shadow(0 0 10px rgba(0, 0, 0, 0.5));
  transition: filter var(--transition-normal), transform var(--transition-normal);
}

[data-theme='light'] .cert-badge {
  filter: drop-shadow(0 0 10px rgba(0, 0, 0, 0.15));
}

.cert-card:hover .cert-badge {
  filter: drop-shadow(0 0 15px var(--accent-cyan));
  transform: scale(1.1) rotate(5deg);
}

.cert-badge img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.cert-info {
  flex-grow: 1;
}

.cert-info h4 {
  font-size: 1.1rem;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
  line-height: 1.3;
}

.cert-info p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  margin-bottom: 0.8rem;
}

.cert-link {
  font-size: 0.8rem;
  color: var(--text-tertiary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  text-transform: uppercase;
  transition: color var(--transition-fast);
}

.cert-card:hover .cert-link {
  color: var(--accent-cyan);
}

.news-grid {
  display: grid;
  gap: 1.5rem;
}

.news-item {
  background: transparent;
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--accent-cyan);
  padding: 1.5rem;
  transition: all var(--transition-fast);
}

.news-item:hover {
  background: var(--bg-secondary);
  transform: translateX(10px);
}

.news-date {
  font-family: var(--font-mono);
  color: var(--accent-purple);
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
  display: block;
}

.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

@media(max-width: 900px) {
  .contact-container {
    grid-template-columns: 1fr;
  }
}

.contact-info-grid {
  display: grid;
  gap: 1.5rem;
  margin-top: 2rem;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 1.5rem;
  transition: 0.3s;
}

.contact-card:hover {
  border-color: var(--accent-purple);
  transform: translateX(5px);
}

.contact-card i {
  font-size: 1.5rem;
  color: var(--accent-cyan);
  width: 30px;
  text-align: center;
}

.contact-card div {
  display: flex;
  flex-direction: column;
}

.contact-card a {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.contact-card span {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 0.2rem;
}

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

.social-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  padding: 1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.9rem;
}

.social-btn:hover {
  background: var(--accent-cyan);
  color: #000;
  border-color: var(--accent-cyan);
}

.contact-form-wrapper {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 2.5rem;
  position: relative;
}

.contact-form-wrapper::before {
  content: '';
  position: absolute;
  top: -1px;
  left: -1px;
  width: 30px;
  height: 30px;
  border-top: 2px solid var(--accent-cyan);
  border-left: 2px solid var(--accent-cyan);
}

.contact-form-wrapper::after {
  content: '';
  position: absolute;
  bottom: -1px;
  right: -1px;
  width: 30px;
  height: 30px;
  border-bottom: 2px solid var(--accent-cyan);
  border-right: 2px solid var(--accent-cyan);
}

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

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

.form-group input,
.form-group textarea {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 0;
  color: var(--text-primary);
  font-family: var(--font-mono);
  padding: 1rem;
  width: 100%;
  transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-cyan);
  background: rgba(0, 243, 255, 0.02);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

footer {
  border-top: 1px solid var(--border-color);
  background: var(--bg-primary);
  padding: 4rem 0;
  text-align: center;
}

.built-with {
  font-family: var(--font-mono);
  color: var(--accent-purple);
  font-size: 0.8rem;
  margin-top: 0.5rem;
}

.built-with::before {
  content: '> ';
  color: var(--accent-cyan);
}

.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 0;
  background: var(--accent-cyan);
  color: #000;
  box-shadow: 0 0 10px var(--accent-cyan);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: #fff;
  transform: translateY(-5px);
}