/* ============================================
   Portfolio Styles - Professional Dark Theme
   ============================================ */

/* CSS Custom Properties */
:root {
  /* Colors */
  --color-bg-primary: #0a0a0f;
  --color-bg-secondary: #12121a;
  --color-bg-card: rgba(25, 25, 35, 0.8);
  --color-bg-card-hover: rgba(35, 35, 50, 0.9);

  --color-text-primary: #ffffff;
  --color-text-secondary: #a0a0b0;
  --color-text-muted: #6b6b7b;

  --color-accent-primary: #667eea;
  --color-accent-secondary: #764ba2;
  --color-accent-cyan: #00d4ff;
  --color-accent-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);

  /* Typography */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing */
  --section-padding: 100px 0;
  --container-width: 1200px;
  --card-radius: 16px;
  --card-padding: 24px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Shadows */
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-card-hover: 0 16px 48px rgba(102, 126, 234, 0.2);
  --shadow-glow: 0 0 40px rgba(102, 126, 234, 0.3);
}

/* Reset & Base */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

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

/* Background Animation */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(ellipse at 20% 20%, rgba(102, 126, 234, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(118, 75, 162, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(0, 212, 255, 0.03) 0%, transparent 70%);
  pointer-events: none;
  z-index: -1;
}

/* Container */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
}

a {
  color: inherit;
  text-decoration: none;
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: var(--transition-medium);
}

.navbar.scrolled {
  padding: 12px 0;
  background: rgba(10, 10, 15, 0.95);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--color-accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: var(--transition-fast);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent-gradient);
  transition: var(--transition-fast);
}

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

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

.nav-social {
  display: flex;
  gap: 16px;
}

.nav-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  color: var(--color-text-secondary);
  transition: var(--transition-fast);
}

.nav-social a:hover {
  background: var(--color-accent-gradient);
  color: var(--color-text-primary);
  transform: translateY(-2px);
}

.nav-social svg {
  width: 20px;
  height: 20px;
}

/* Mobile Menu */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  transition: var(--transition-fast);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 24px 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(102, 126, 234, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 60px;
  max-width: var(--container-width);
  width: 100%;
  margin: 0 auto;
}

.hero-content {
  flex: 1;
  max-width: 600px;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-block;
  padding: 8px 20px;
  background: rgba(102, 126, 234, 0.15);
  border: 1px solid rgba(102, 126, 234, 0.3);
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-accent-cyan);
  margin-bottom: 24px;
}

.hero h1 {
  margin-bottom: 16px;
}

.hero h1 span {
  background: var(--color-accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  margin-bottom: 40px;
  max-width: 500px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ============================================
   Hero Profile Image
   ============================================ */
.hero-image {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
}

.profile-wrapper {
  position: relative;
  width: 340px;
  height: 340px;
  animation: float 6s ease-in-out infinite;
}

/* Pulsing glow effect */
.profile-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(102, 126, 234, 0.4) 0%, rgba(118, 75, 162, 0.2) 40%, transparent 70%);
  filter: blur(40px);
  animation: pulse-glow 4s ease-in-out infinite;
  z-index: 0;
}

/* Rotating gradient border */
.profile-border {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, #667eea, #764ba2, #00d4ff, #764ba2, #667eea);
  animation: rotate-gradient 4s linear infinite;
  z-index: 1;
}

.profile-border::before {
  content: '';
  position: absolute;
  top: 4px;
  left: 4px;
  right: 4px;
  bottom: 4px;
  background: var(--color-bg-primary);
  border-radius: 50%;
}

/* Profile frame with octagonal clip */
.profile-frame {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 300px;
  height: 300px;
  border-radius: 50%;
  overflow: hidden;
  z-index: 2;
  box-shadow:
    0 0 0 4px rgba(102, 126, 234, 0.3),
    0 20px 60px rgba(0, 0, 0, 0.4);
}

.profile-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  transition: transform 0.5s ease;
}

.profile-wrapper:hover .profile-frame img {
  transform: scale(1.05);
}

/* Decorative floating elements */
.profile-decoration {
  position: absolute;
  border-radius: 50%;
  background: var(--color-accent-gradient);
  z-index: 0;
  opacity: 0.6;
}

.profile-decoration-1 {
  width: 12px;
  height: 12px;
  top: 20px;
  right: 40px;
  animation: float-decoration 5s ease-in-out infinite;
}

.profile-decoration-2 {
  width: 8px;
  height: 8px;
  bottom: 40px;
  left: 20px;
  animation: float-decoration 7s ease-in-out infinite reverse;
}

/* Animations */
@keyframes float {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-15px);
  }
}

@keyframes pulse-glow {

  0%,
  100% {
    opacity: 0.6;
    transform: translate(-50%, -50%) scale(1);
  }

  50% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.1);
  }
}

@keyframes rotate-gradient {
  from {
    transform: translate(-50%, -50%) rotate(0deg);
  }

  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

@keyframes float-decoration {

  0%,
  100% {
    transform: translateY(0) translateX(0);
    opacity: 0.6;
  }

  25% {
    transform: translateY(-10px) translateX(5px);
    opacity: 0.8;
  }

  50% {
    transform: translateY(-5px) translateX(-5px);
    opacity: 0.4;
  }

  75% {
    transform: translateY(5px) translateX(3px);
    opacity: 0.7;
  }
}

/* Hero responsive */
@media (max-width: 992px) {
  .hero-container {
    flex-direction: column-reverse;
    text-align: center;
    gap: 50px;
  }

  .hero-content {
    max-width: 100%;
  }

  .hero-subtitle {
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
  }

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

  .profile-wrapper {
    width: 280px;
    height: 280px;
  }

  .profile-border {
    width: 260px;
    height: 260px;
  }

  .profile-frame {
    width: 240px;
    height: 240px;
  }
}

@media (max-width: 600px) {
  .hero {
    min-height: auto;
    padding: 120px 24px 60px;
  }

  .profile-wrapper {
    width: 220px;
    height: 220px;
  }

  .profile-border {
    width: 200px;
    height: 200px;
  }

  .profile-frame {
    width: 180px;
    height: 180px;
  }

  .profile-decoration {
    display: none;
  }
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 50px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
  border: none;
}

.btn-primary {
  background: var(--color-accent-gradient);
  color: var(--color-text-primary);
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 60px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text-primary);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.3);
}

/* ============================================
   Section Styles
   ============================================ */
section {
  padding: var(--section-padding);
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header h2 {
  margin-bottom: 16px;
}

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

.section-label {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-accent-primary);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 12px;
}

/* ============================================
   Card Grid
   ============================================ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
}

.card-grid-4 {
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
}

/* ============================================
   Blog & Project Cards
   ============================================ */
.card {
  background: var(--color-bg-card);
  border-radius: var(--card-radius);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: var(--transition-medium);
  cursor: pointer;
}

.card:hover {
  transform: translateY(-8px);
  background: var(--color-bg-card-hover);
  border-color: rgba(102, 126, 234, 0.3);
  box-shadow: var(--shadow-card-hover);
}

.card-image {
  width: 100%;
  height: 200px;
  overflow: hidden;
  position: relative;
}

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

.card:hover .card-image img {
  transform: scale(1.05);
}

.card-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 50%, rgba(0, 0, 0, 0.5) 100%);
}

.card-content {
  padding: var(--card-padding);
}

.card-content h3 {
  margin-bottom: 8px;
  transition: var(--transition-fast);
}

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

.card-content p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  padding: 4px 12px;
  background: rgba(102, 126, 234, 0.15);
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-accent-primary);
}

/* ============================================
   Certification Cards
   ============================================ */
.cert-card {
  background: var(--color-bg-card);
  border-radius: var(--card-radius);
  padding: var(--card-padding);
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: var(--transition-medium);
  text-align: center;
  cursor: pointer;
}

.cert-card:hover {
  transform: translateY(-8px);
  background: var(--color-bg-card-hover);
  border-color: rgba(102, 126, 234, 0.3);
  box-shadow: var(--shadow-card-hover);
}

.cert-badge {
  width: 80px;
  height: 80px;
  margin: 0 auto 16px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid rgba(102, 126, 234, 0.3);
}

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

.cert-card h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.cert-card .issuer {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  margin-bottom: 4px;
}

.cert-card .date {
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.cert-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-accent-cyan);
  transition: var(--transition-fast);
}

.cert-link:hover {
  gap: 10px;
}

/* ============================================
   About Section
   ============================================ */
.about-intro {
  max-width: 900px;
  margin: 0 auto 80px;
  text-align: center;
}

.about-intro p {
  font-size: 1.15rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.about-section {
  margin-bottom: 60px;
}

.about-section h3 {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 32px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.about-section h3 svg {
  color: var(--color-accent-primary);
}

/* Experience Timeline */
.timeline {
  position: relative;
  padding-left: 32px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-accent-primary), var(--color-accent-secondary));
}

.timeline-item {
  position: relative;
  margin-bottom: 32px;
}

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

.timeline-item::before {
  content: '';
  position: absolute;
  left: -38px;
  top: 8px;
  width: 12px;
  height: 12px;
  background: var(--color-bg-primary);
  border: 2px solid var(--color-accent-primary);
  border-radius: 50%;
}

.timeline-item h4 {
  font-size: 1.1rem;
  margin-bottom: 4px;
}

.timeline-item .company {
  color: var(--color-accent-cyan);
  font-weight: 500;
  margin-bottom: 4px;
}

.timeline-item .period {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.timeline-item p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

/* Education */
.education-item {
  background: var(--color-bg-card);
  border-radius: var(--card-radius);
  padding: var(--card-padding);
  margin-bottom: 16px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.education-item h4 {
  margin-bottom: 4px;
}

.education-item .institution {
  color: var(--color-accent-cyan);
  font-weight: 500;
  margin-bottom: 4px;
}

.education-item .period {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.education-item p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

/* Skills */
.skills-container {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.skill-category h4 {
  font-size: 1rem;
  color: var(--color-text-secondary);
  margin-bottom: 12px;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.skill-tag {
  padding: 8px 16px;
  background: rgba(102, 126, 234, 0.1);
  border: 1px solid rgba(102, 126, 234, 0.2);
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-primary);
  transition: var(--transition-fast);
}

.skill-tag:hover {
  background: rgba(102, 126, 234, 0.2);
  border-color: rgba(102, 126, 234, 0.4);
}

/* ============================================
   Footer
   ============================================ */
footer {
  padding: 60px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  text-align: center;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.footer-social {
  display: flex;
  gap: 16px;
}

.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  color: var(--color-text-secondary);
  transition: var(--transition-fast);
}

.footer-social a:hover {
  background: var(--color-accent-gradient);
  color: var(--color-text-primary);
  transform: translateY(-4px);
}

.footer-social svg {
  width: 22px;
  height: 22px;
}

footer p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-in {
  animation: fadeInUp 0.6s ease forwards;
}

[data-animate] {
  opacity: 0;
  transform: translateY(30px);
}

[data-animate].animated {
  animation: fadeInUp 0.6s ease forwards;
}

/* Stagger delays */
[data-animate-delay="1"] {
  animation-delay: 0.1s;
}

[data-animate-delay="2"] {
  animation-delay: 0.2s;
}

[data-animate-delay="3"] {
  animation-delay: 0.3s;
}

[data-animate-delay="4"] {
  animation-delay: 0.4s;
}

[data-animate-delay="5"] {
  animation-delay: 0.5s;
}

[data-animate-delay="6"] {
  animation-delay: 0.6s;
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 992px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .nav-links {
    gap: 24px;
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 60px 0;
  }

  .nav-links,
  .nav-social {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .navbar.mobile-open .nav-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10, 10, 15, 0.98);
    padding: 24px;
    gap: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }

  .navbar.mobile-open .nav-social {
    display: flex;
    justify-content: center;
    position: absolute;
    top: calc(100% + 200px);
    left: 0;
    right: 0;
    background: rgba(10, 10, 15, 0.98);
    padding: 0 24px 24px;
  }

  .hero {
    min-height: auto;
    padding: 140px 24px 80px;
  }

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

  .hero-cta {
    flex-direction: column;
    align-items: center;
  }

  .timeline {
    padding-left: 24px;
  }

  .timeline-item::before {
    left: -30px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .card-content {
    padding: 16px;
  }

  .cert-card {
    padding: 16px;
  }
}

/* ============================================
   Compact Card Grid (for many items)
   ============================================ */
.card-grid-compact {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.card-compact {
  background: var(--color-bg-card);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: var(--transition-medium);
  cursor: pointer;
  display: flex;
  flex-direction: row;
  height: 120px;
}

.card-compact:hover {
  transform: translateY(-4px);
  background: var(--color-bg-card-hover);
  border-color: rgba(102, 126, 234, 0.3);
  box-shadow: var(--shadow-card-hover);
}

.card-compact .card-image {
  width: 140px;
  min-width: 140px;
  height: 100%;
}

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

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

.card-compact .card-image::after {
  display: none;
}

.card-compact .card-content {
  padding: 16px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  flex: 1;
  overflow: hidden;
}

.card-compact .card-content h3 {
  font-size: 1rem;
  margin-bottom: 0;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-compact:hover .card-content h3 {
  color: var(--color-accent-cyan);
}

.card-compact .card-content p {
  font-size: 0.85rem;
  margin-bottom: 0;
  -webkit-line-clamp: 2;
}

/* Show More Button */
.show-more-container {
  display: flex;
  justify-content: center;
  margin-top: 32px;
}

.show-more-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  background: rgba(102, 126, 234, 0.15);
  border: 1px solid rgba(102, 126, 234, 0.3);
  border-radius: 50px;
  color: var(--color-accent-cyan);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-fast);
}

.show-more-btn:hover {
  background: rgba(102, 126, 234, 0.25);
  border-color: rgba(102, 126, 234, 0.5);
  transform: translateY(-2px);
}

.show-more-btn svg {
  width: 18px;
  height: 18px;
  transition: var(--transition-fast);
}

.show-more-btn.expanded svg {
  transform: rotate(180deg);
}

.card-grid-compact .card-compact.hidden {
  display: none;
}

.card-compact .card-meta {
  margin-top: 8px;
  font-size: 0.8rem;
}

.card-compact .card-tags {
  margin-top: 8px;
}

.card-compact .tag {
  padding: 2px 8px;
  font-size: 0.7rem;
}

@media (max-width: 600px) {
  .card-compact {
    flex-direction: column;
    height: auto;
  }

  .card-compact .card-image {
    width: 100%;
    height: 140px;
  }

  .card-grid-compact {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   Contact Section
   ============================================ */
.contact-content {
  max-width: 800px;
  margin: 0 auto;
}

.contact-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  margin-bottom: 48px;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 24px;
  background: var(--color-bg-card);
  border-radius: var(--card-radius);
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: var(--transition-medium);
}

.contact-card:hover {
  transform: translateY(-4px);
  background: var(--color-bg-card-hover);
  border-color: rgba(102, 126, 234, 0.3);
  box-shadow: var(--shadow-card-hover);
}

.contact-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-accent-gradient);
  flex-shrink: 0;
}

.contact-icon svg {
  width: 24px;
  height: 24px;
  color: white;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
  overflow: hidden;
}

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

.contact-value {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text-primary);
  word-break: break-all;
}

.contact-card:hover .contact-value {
  color: var(--color-accent-cyan);
}

.contact-social {
  text-align: center;
}

.contact-social p {
  color: var(--color-text-secondary);
  margin-bottom: 20px;
}

.contact-social .social-links {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.contact-social .social-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 50px;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition-fast);
}

.contact-social .social-link:hover {
  background: var(--color-accent-gradient);
  color: var(--color-text-primary);
  transform: translateY(-2px);
}

.contact-social .social-link svg {
  width: 20px;
  height: 20px;
}

@media (max-width: 600px) {
  .contact-cards {
    grid-template-columns: 1fr;
  }

  .contact-card {
    padding: 20px;
  }
}

/* ============================================
   Artifacts Section
   ============================================ */
#artifacts {
  background: linear-gradient(180deg, var(--color-bg-primary) 0%, rgba(18, 18, 26, 0.5) 50%, var(--color-bg-primary) 100%);
}

.artifacts-subsection {
  margin-bottom: 60px;
}

.artifacts-subsection:last-child {
  margin-bottom: 0;
}

.subsection-title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 32px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.subsection-title svg {
  color: var(--color-accent-primary);
  flex-shrink: 0;
}

/* Architecture Blueprints Grid */
.blueprints-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.blueprint-card {
  position: relative;
  background: var(--color-bg-card);
  border-radius: var(--card-radius);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: var(--transition-medium);
  cursor: pointer;
}

.blueprint-card:hover {
  transform: translateY(-6px);
  border-color: rgba(102, 126, 234, 0.4);
  box-shadow: var(--shadow-card-hover);
}

.blueprint-image {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.blueprint-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-medium);
}

.blueprint-card:hover .blueprint-image img {
  transform: scale(1.05);
}

.blueprint-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 10, 15, 0.8) 0%, transparent 60%);
  opacity: 0;
  transition: var(--transition-medium);
}

.blueprint-card:hover .blueprint-image::after {
  opacity: 1;
}

.blueprint-zoom-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.8);
  width: 48px;
  height: 48px;
  background: rgba(102, 126, 234, 0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition-medium);
  z-index: 2;
}

.blueprint-zoom-icon svg {
  width: 24px;
  height: 24px;
  color: white;
}

.blueprint-card:hover .blueprint-zoom-icon {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.blueprint-content {
  padding: 16px 20px;
}

.blueprint-caption {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-primary);
  margin-bottom: 12px;
  line-height: 1.4;
}

.blueprint-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.blueprint-tag {
  padding: 4px 10px;
  background: rgba(102, 126, 234, 0.12);
  border: 1px solid rgba(102, 126, 234, 0.2);
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-accent-cyan);
  transition: var(--transition-fast);
}

.blueprint-card:hover .blueprint-tag {
  background: rgba(102, 126, 234, 0.2);
  border-color: rgba(102, 126, 234, 0.35);
}

/* Field Notes Strip */
.field-notes-strip {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  padding-bottom: 16px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: rgba(102, 126, 234, 0.3) transparent;
}

.field-notes-strip::-webkit-scrollbar {
  height: 6px;
}

.field-notes-strip::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 3px;
}

.field-notes-strip::-webkit-scrollbar-thumb {
  background: rgba(102, 126, 234, 0.3);
  border-radius: 3px;
}

.field-notes-strip::-webkit-scrollbar-thumb:hover {
  background: rgba(102, 126, 234, 0.5);
}

.field-note-card {
  flex: 0 0 auto;
  width: 320px;
  scroll-snap-align: start;
  position: relative;
  border-radius: var(--card-radius);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: var(--transition-medium);
  cursor: pointer;
}

.field-note-card:hover {
  transform: translateY(-4px);
  border-color: rgba(102, 126, 234, 0.3);
  box-shadow: var(--shadow-card-hover);
}

.field-note-image {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.field-note-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-medium);
}

.field-note-card:hover .field-note-image img {
  transform: scale(1.05);
}

.field-note-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 16px;
  background: linear-gradient(to top, rgba(10, 10, 15, 0.95) 0%, rgba(10, 10, 15, 0.7) 60%, transparent 100%);
}

.field-note-caption {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-primary);
  line-height: 1.4;
}

/* Lightbox */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.95);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.lightbox.active {
  opacity: 1;
  visibility: visible;
}

.lightbox-close {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  color: white;
  font-size: 28px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
  line-height: 1;
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: scale(1.1);
}

.lightbox-image {
  max-width: 90%;
  max-height: 80vh;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  transform: scale(0.95);
  transition: transform 0.3s ease;
}

.lightbox.active .lightbox-image {
  transform: scale(1);
}

.lightbox-caption {
  margin-top: 20px;
  font-size: 1rem;
  color: var(--color-text-secondary);
  text-align: center;
  max-width: 600px;
}

/* Responsive: Blueprints */
@media (max-width: 992px) {
  .blueprints-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .blueprints-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .blueprint-content {
    padding: 14px 16px;
  }

  .blueprint-caption {
    font-size: 0.9rem;
  }

  .field-note-card {
    width: 280px;
  }

  .lightbox {
    padding: 20px;
  }

  .lightbox-close {
    top: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
    font-size: 24px;
  }

  .lightbox-image {
    max-width: 100%;
    max-height: 70vh;
  }

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

/* Utility */
.hidden {
  display: none !important;
}