/* ============================================================
   SKILLS SECTION
   ============================================================ */

#skills {
  padding: var(--section-padding) 0;
  border-top: 1px solid var(--color-border);
}

/* ── Group grid ── */
.skills__groups {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-6);
  margin-top: var(--space-12);
}

/* ── Single group card ── */
.skill-group {
  width: calc((100% - 2 * var(--space-6)) / 3);
  padding: var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  transition: border-color var(--t-base), background var(--t-base);
}

.skill-group:hover {
  border-color: var(--color-border-2);
  background: var(--color-surface-2);
}

.skill-group__header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.skill-group__icon { font-size: 1.3rem; }

.skill-group__title {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

/* ── Skill row (bar + label) ── */
.skill-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.skill-item {}

.skill-item__top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: var(--space-2);
}

.skill-item__name {
  font-size: var(--text-sm);
  color: var(--color-text-primary);
}

.skill-item__pct {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
}

/* ── Progress bar ── */
.skill-bar {
  height: 2px;
  background: var(--color-border-2);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}

.skill-bar__fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent-2), var(--color-accent));
  border-radius: var(--radius-full);
  width: 0;
  transition: width 1.2s var(--ease-out);
}

.skill-bar__fill.animated {
  /* Width is set via inline style by JS */
}

/* ── Chip tags (alternative view, shown below bars) ── */
.skills__chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-5);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border);
}

.skill-chip {
  padding: var(--space-1) var(--space-3);
  background: var(--color-surface-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  transition: all var(--t-fast);
}

.skill-chip:hover {
  border-color: var(--color-accent-2);
  color: var(--color-accent);
  background: var(--color-accent-dim);
}

/* ── Tech Stack Marquee ── */
.overflow-hidden {
  overflow: hidden;
}

.tech-marquee-wrapper {
  margin-top: var(--space-12);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  width: 100%;
  position: relative;
}

/* Gradient masks for smooth fading at the edges */
.tech-marquee-wrapper::before,
.tech-marquee-wrapper::after {
  content: '';
  position: absolute;
  top: 0;
  width: 100px;
  height: 100%;
  z-index: 2;
  pointer-events: none;
}
.tech-marquee-wrapper::before {
  left: 0;
  background: linear-gradient(to right, var(--color-bg-alt) 0%, transparent 100%);
}
.tech-marquee-wrapper::after {
  right: 0;
  background: linear-gradient(to left, var(--color-bg-alt) 0%, transparent 100%);
}

.tech-marquee {
  display: flex;
  overflow: hidden;
  user-select: none;
  padding: var(--space-4) 0; /* Prevents hover shadow and transform from being clipped */
}

.tech-marquee__track {
  display: flex;
  gap: var(--space-4);
  min-width: 200%;
  padding-left: var(--space-4);
  width: max-content;
}

.tech-marquee--left .tech-marquee__track {
  animation: scrollLeft 35s linear infinite;
}

.tech-marquee--right .tech-marquee__track {
  animation: scrollRight 35s linear infinite;
}

.tech-marquee:hover .tech-marquee__track {
  animation-play-state: paused;
}

@keyframes scrollLeft {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

@keyframes scrollRight {
  0% { transform: translateX(-50%); }
  100% { transform: translateX(0); }
}

.tech-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); /* Rounded rectangle */
  font-size: 1.2rem;
  color: var(--color-text-primary);
  white-space: nowrap;
  transition: all var(--t-fast) ease;
  cursor: pointer;
}

.tech-item i {
  font-size: 1.8rem;
}

.tech-item:hover {
  border-color: var(--color-accent);
  background: var(--color-surface-2);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
  color: var(--color-accent);
}

@media (max-width: 900px) {
  .skill-group { width: calc((100% - var(--space-6)) / 2); }
  .tech-item {
    font-size: 1rem;
    padding: var(--space-3) var(--space-6);
  }
  .tech-item i {
    font-size: 1.5rem;
  }
}

@media (max-width: 640px) {
  .skill-group { width: 100%; }
  .tech-item {
    font-size: 0.9rem;
    padding: var(--space-2) var(--space-4);
  }
  .tech-item i {
    font-size: 1.3rem;
  }
}