/* ==========================================
   COMPONENTS v2 — Cards, Buttons, Badges, Nav, Cursor, Loader
   Enhanced with holographic effects & deeper neon
   ========================================== */

/* ========== LOADING SCREEN ========== */
.loading-screen {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: var(--bg-void);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  transition: opacity 1s var(--ease-out), visibility 1s;
}

.loading-screen.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

.loader-text {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  text-shadow:
    0 0 10px var(--cyan-glow),
    0 0 40px rgba(0, 240, 255, 0.15);
  animation: loader-pulse 1.5s ease-in-out infinite;
}

.loader-terminal {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  color: var(--text-dim);
  text-align: left;
  line-height: 1.8;
  letter-spacing: 0.05em;
  min-height: 80px;
}

.loader-terminal .line {
  opacity: 0;
  transform: translateX(-10px);
}

.loader-terminal .line.visible {
  opacity: 1;
  transform: translateX(0);
  transition: all 0.3s var(--ease-out);
}

.loader-terminal .cursor-blink {
  display: inline-block;
  width: 6px;
  height: 10px;
  background: var(--cyan);
  margin-left: 2px;
  animation: terminal-blink 0.8s step-end infinite;
  vertical-align: middle;
}

@keyframes terminal-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.loader-bar-track {
  width: 240px;
  height: 2px;
  background: var(--bg-elevated);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}

.loader-bar-fill {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--violet), var(--magenta));
  border-radius: var(--radius-full);
  transition: width 0.4s var(--ease-out);
  box-shadow: 0 0 12px var(--cyan-glow);
  position: relative;
}

.loader-bar-fill::after {
  content: '';
  position: absolute;
  right: 0;
  top: -2px;
  width: 4px;
  height: 6px;
  background: #fff;
  border-radius: 50%;
  box-shadow: 0 0 8px var(--cyan), 0 0 20px var(--cyan-glow);
}

@keyframes loader-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ========== NAVIGATION ========== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--space-md) var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  background: rgba(5, 5, 8, 0.7);
  border-bottom: 1px solid rgba(0, 240, 255, 0.04);
  transform: translateY(-100%);
  transition: transform 0.5s var(--ease-out);
}

.nav.is-visible {
  transform: translateY(0);
}

/* Subtle neon edge glow on nav */
.nav::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(90deg,
    transparent,
    rgba(0, 240, 255, 0.15),
    rgba(124, 58, 237, 0.1),
    rgba(255, 0, 170, 0.15),
    transparent
  );
}

.nav-logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--cyan);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-shadow: 0 0 12px var(--cyan-glow);
  transition: text-shadow var(--dur-normal) var(--ease-out);
}

.nav-logo:hover {
  text-shadow: 0 0 20px var(--cyan-glow), 0 0 40px rgba(0, 240, 255, 0.2);
  color: var(--cyan-bright);
}

.nav-logo span {
  color: var(--magenta);
}

.nav-links {
  display: flex;
  gap: var(--space-lg);
  align-items: center;
}

.nav-link {
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  position: relative;
  padding: var(--space-xs) 0;
  transition: color var(--dur-normal) var(--ease-out);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan-glow);
  transition: width var(--dur-normal) var(--ease-out);
}

.nav-link:hover {
  color: var(--cyan);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-link.is-active {
  color: var(--cyan);
}

.nav-link.is-active::after {
  width: 100%;
}

@media (max-width: 768px) {
  .nav-links { gap: var(--space-md); }
  .nav-link { font-size: var(--fs-tag); letter-spacing: 0.1em; }
  .nav { padding: var(--space-sm) var(--space-md); }
}

/* ========== PROJECT CARD — Enhanced Holographic ========== */
.project-card {
  position: relative;
  width: 420px;
  min-height: 520px;
  background: var(--bg-glass);
  backdrop-filter: blur(24px) saturate(1.1);
  -webkit-backdrop-filter: blur(24px) saturate(1.1);
  border: 1px solid rgba(0, 240, 255, 0.06);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  overflow: hidden;
  transition: transform 0.5s var(--ease-out),
              box-shadow 0.5s var(--ease-out),
              border-color 0.5s var(--ease-out);
  flex-shrink: 0;
  transform-style: preserve-3d;
  perspective: 1000px;
}

/* Holographic border gradient overlay */
.project-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  padding: 1px;
  background: linear-gradient(
    135deg,
    rgba(0, 240, 255, 0.12),
    transparent 35%,
    transparent 65%,
    rgba(255, 0, 170, 0.12)
  );
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  transition: opacity var(--dur-normal) var(--ease-out);
  opacity: 0.4;
}

/* Holographic shimmer sweep */
.project-card::after {
  content: '';
  position: absolute;
  top: -100%;
  left: -100%;
  width: 300%;
  height: 300%;
  background: linear-gradient(
    45deg,
    transparent 30%,
    rgba(0, 240, 255, 0.02) 38%,
    rgba(124, 58, 237, 0.03) 45%,
    rgba(255, 0, 170, 0.02) 52%,
    transparent 60%
  );
  transition: transform 1.5s var(--ease-out);
  pointer-events: none;
  z-index: 0;
}

.project-card:hover::after {
  transform: translateX(40%) translateY(40%);
}

.project-card:hover {
  transform: translateY(-10px) scale(1.02);
  border-color: rgba(0, 240, 255, 0.2);
}

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

.project-card.active {
  border-color: var(--cyan);
}

/* Per-project accent theming */
.project-card[data-accent="cyan"]:hover {
  box-shadow: var(--shadow-neon-cyan), var(--shadow-elevated);
}
.project-card[data-accent="cyan"].active {
  box-shadow: var(--shadow-neon-cyan);
}

.project-card[data-accent="violet"]:hover {
  box-shadow: var(--shadow-neon-violet), var(--shadow-elevated);
  border-color: rgba(124, 58, 237, 0.25);
}
.project-card[data-accent="violet"].active {
  box-shadow: var(--shadow-neon-violet);
  border-color: var(--violet);
}

.project-card[data-accent="amber"]:hover {
  box-shadow: var(--shadow-neon-amber), var(--shadow-elevated);
  border-color: rgba(245, 166, 35, 0.25);
}
.project-card[data-accent="amber"].active {
  box-shadow: var(--shadow-neon-amber);
  border-color: var(--amber);
}

.project-card[data-accent="magenta"]:hover {
  box-shadow: var(--shadow-neon-magenta), var(--shadow-elevated);
  border-color: rgba(255, 0, 170, 0.25);
}
.project-card[data-accent="magenta"].active {
  box-shadow: var(--shadow-neon-magenta);
  border-color: var(--magenta);
}

.project-card-inner {
  position: relative;
  z-index: 2;
}

.project-card-image {
  width: 100%;
  height: 220px;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: var(--space-md);
  position: relative;
  background: var(--bg-surface);
}

/* Image overlay glow */
.project-card-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    transparent 60%,
    rgba(5, 5, 8, 0.6) 100%
  );
  pointer-events: none;
}

.project-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out), filter 0.6s var(--ease-out);
}

.project-card:hover .project-card-image img {
  transform: scale(1.1);
  filter: brightness(1.1) saturate(1.2);
}

.project-card-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--fs-tag);
  color: var(--cyan);
  background: var(--cyan-subtle);
  border: 1px solid rgba(0, 240, 255, 0.12);
  padding: var(--space-2xs) var(--space-sm);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: var(--space-sm);
}

/* Per-accent tag colors */
.project-card[data-accent="violet"] .project-card-tag {
  color: var(--violet-bright);
  background: var(--violet-subtle);
  border-color: rgba(124, 58, 237, 0.12);
}
.project-card[data-accent="amber"] .project-card-tag {
  color: var(--amber);
  background: var(--amber-subtle);
  border-color: rgba(245, 166, 35, 0.12);
}
.project-card[data-accent="magenta"] .project-card-tag {
  color: var(--magenta);
  background: var(--magenta-subtle);
  border-color: rgba(255, 0, 170, 0.12);
}

.project-card-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
}

.project-card-desc {
  font-size: var(--fs-small);
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: var(--space-md);
}

.project-card-tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

@media (max-width: 768px) {
  .project-card {
    width: 340px;
    min-height: 460px;
    padding: var(--space-md);
  }
  .project-card-image {
    height: 180px;
  }
}

/* ========== TECH BADGE ========== */
.tech-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-mono);
  font-size: var(--fs-tag);
  color: var(--text-muted);
  background: rgba(0, 240, 255, 0.04);
  border: 1px solid rgba(0, 240, 255, 0.06);
  padding: 0.2em 0.6em;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  transition: all var(--dur-fast) var(--ease-out);
}

.tech-badge:hover {
  color: var(--cyan);
  border-color: var(--cyan);
  background: rgba(0, 240, 255, 0.1);
  box-shadow: 0 0 8px rgba(0, 240, 255, 0.15);
}

/* ========== NEON BUTTON — Enhanced ========== */
.btn-neon {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--cyan);
  border: 1px solid var(--cyan);
  padding: 0.85em 2.2em;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  position: relative;
  overflow: hidden;
  transition: all var(--dur-normal) var(--ease-out);
}

/* Sweep line effect */
.btn-neon::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0;
  transition: left 0.5s var(--ease-out), opacity 0.3s;
  z-index: -1;
}

.btn-neon::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--cyan);
  opacity: 0;
  transition: opacity var(--dur-normal) var(--ease-out);
  z-index: -2;
}

.btn-neon:hover {
  color: var(--bg-void);
  box-shadow: var(--shadow-neon-cyan);
  text-shadow: none;
}

.btn-neon:hover::before {
  left: 100%;
  opacity: 0.3;
}

.btn-neon:hover::after {
  opacity: 1;
}

.btn-neon--magenta {
  color: var(--magenta);
  border-color: var(--magenta);
}

.btn-neon--magenta::before {
  background: linear-gradient(90deg, transparent, var(--magenta), transparent);
}

.btn-neon--magenta::after {
  background: var(--magenta);
}

.btn-neon--magenta:hover {
  box-shadow: var(--shadow-neon-magenta);
}

/* ========== SOCIAL LINK — Enhanced ========== */
.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border: 1px solid rgba(0, 240, 255, 0.08);
  border-radius: var(--radius-md);
  color: var(--text-muted);
  font-size: 1.3rem;
  transition: all var(--dur-normal) var(--ease-spring);
  position: relative;
  background: var(--bg-glass);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

/* Glow backdrop */
.social-link::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: calc(var(--radius-md) + 3px);
  background: linear-gradient(135deg, var(--cyan), var(--magenta));
  opacity: 0;
  z-index: -1;
  transition: opacity var(--dur-normal) var(--ease-out);
  filter: blur(10px);
}

.social-link:hover {
  transform: translateY(-5px) scale(1.1);
}

.social-link:hover::after {
  opacity: 0.35;
}

/* Platform-specific hover colors */
.social-link--github:hover {
  color: #e0e0e8;
  border-color: #e0e0e8;
  box-shadow: 0 0 10px rgba(224, 224, 232, 0.2), 0 0 30px rgba(224, 224, 232, 0.08);
}

.social-link--linkedin:hover {
  color: #0a66c2;
  border-color: #0a66c2;
  box-shadow: 0 0 10px rgba(10, 102, 194, 0.3), 0 0 30px rgba(10, 102, 194, 0.1);
}

.social-link--instagram:hover {
  color: #e4405f;
  border-color: #e4405f;
  box-shadow: 0 0 10px rgba(228, 64, 95, 0.3), 0 0 30px rgba(228, 64, 95, 0.1);
}

.social-link svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

/* ========== SECTION LABEL ========== */
.section-label {
  font-family: var(--font-mono);
  font-size: var(--fs-tag);
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: 0.3em;
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.section-label::before {
  content: '//';
  color: var(--text-dim);
}

/* ========== CUSTOM CURSOR — Enhanced ========== */
.cursor-dot {
  position: fixed;
  top: 0;
  left: 0;
  width: 6px;
  height: 6px;
  background: var(--cyan);
  border-radius: 50%;
  pointer-events: none;
  z-index: 99999;
  transform: translate(-50%, -50%);
  transition: background var(--dur-fast), width var(--dur-fast), height var(--dur-fast);
  box-shadow: 0 0 8px var(--cyan-glow);
}

.cursor-ring {
  position: fixed;
  top: 0;
  left: 0;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(0, 240, 255, 0.35);
  border-radius: 50%;
  pointer-events: none;
  z-index: 99998;
  transform: translate(-50%, -50%);
  transition: width var(--dur-normal) var(--ease-spring),
              height var(--dur-normal) var(--ease-spring),
              border-color var(--dur-fast),
              background var(--dur-fast);
}

.cursor-ring.is-hovering {
  width: 60px;
  height: 60px;
  border-color: var(--magenta);
  background: rgba(255, 0, 170, 0.05);
}

/* Cursor trail ghosts */
.cursor-trail {
  position: fixed;
  width: 4px;
  height: 4px;
  background: var(--cyan);
  border-radius: 50%;
  pointer-events: none;
  z-index: 99997;
  opacity: 0;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s;
}

@media (pointer: coarse) {
  .cursor-dot,
  .cursor-ring,
  .cursor-trail {
    display: none !important;
  }
}

/* ========== SCROLL PROGRESS BAR ========== */
.scroll-progress {
  position: fixed;
  bottom: 0;
  left: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--violet), var(--magenta));
  z-index: 9998;
  transition: width 0.1s linear;
  box-shadow: 0 0 8px var(--cyan-glow);
}