/* ===================================================================
   SKILLS & INTERNSHIP BESPOKE SECTIONS
   Architecture: High-Precision Bento Grid & Tactical Surface Mechanics
   Tokens: --bg (#0A0A0A), --paper (#F4F3EF), --muted (#8A8A84), --accent (#A8FF3E)
   Fonts: IBM Plex Sans, Syne, Monospace
   =================================================================== */

/* -------------------------------------------------------------------
   1. COMMON SECTION HEADER & SUB-ELEMENTS
   ------------------------------------------------------------------- */
.skills-section,
.internship-section {
  position: relative;
  width: 100%;
}

.section-header-flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  gap: 1rem;
}

.section-kicker {
  font-family: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted, #8A8A84);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  user-select: none;
}

.section-kicker .kicker-dot {
  color: var(--accent, #A8FF3E);
  text-shadow: 0 0 8px rgba(168, 255, 62, 0.55);
  display: inline-block;
  line-height: 1;
}

.section-action-link {
  font-family: "IBM Plex Sans", sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--paper, #F4F3EF);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 0.4rem 0.9rem;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  text-decoration: none;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
}

.section-action-link:hover {
  color: var(--accent, #A8FF3E);
  border-color: rgba(168, 255, 62, 0.45);
  background: rgba(168, 255, 62, 0.08);
  box-shadow: 0 0 14px rgba(168, 255, 62, 0.18);
  transform: translateY(-1px);
}

.section-action-link:focus-visible {
  outline: 2px solid var(--accent, #A8FF3E);
  outline-offset: 2px;
}

/* -------------------------------------------------------------------
   2. SKILLS FILTER BAR
   ------------------------------------------------------------------- */
.skills-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
  align-items: center;
}

.skill-filter-btn {
  font-family: "IBM Plex Sans", sans-serif;
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  padding: 0.45rem 1.1rem;
  border-radius: 980px;
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  border: 1px solid rgba(255, 255, 255, 0.10);
  box-shadow: inset 0 1px 0 0 rgba(255, 255, 255, 0.14);
  color: var(--muted, #8A8A84);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  outline: none;
  position: relative;
  user-select: none;
  line-height: 1.4;
}

.skill-filter-btn:hover {
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.24);
  background: rgba(255, 255, 255, 0.075);
}

.skill-filter-btn:active {
  transform: scale(0.96);
  transition: transform 100ms ease-out;
}

.skill-filter-btn:focus-visible {
  outline: 2px solid var(--accent, #A8FF3E);
  outline-offset: 2px;
}

.skill-filter-btn.is-active {
  background: rgba(168, 255, 62, 0.14);
  border-color: rgba(168, 255, 62, 0.55);
  color: var(--accent, #A8FF3E);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.26), 0 0 16px rgba(168, 255, 62, 0.24);
}

/* -------------------------------------------------------------------
   3. SKILLS BENTO GRID & TACTILE CARDS
   ------------------------------------------------------------------- */
.skills-bento-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
}

.skill-bento-card {
  background: rgba(16, 20, 26, 0.72);
  backdrop-filter: blur(18px) saturate(180%);
  -webkit-backdrop-filter: blur(18px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 14px;
  padding: 1.5rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.85rem;
  position: relative;
  overflow: hidden;
  cursor: default;
  box-shadow: 0 20px 48px -12px rgba(0, 0, 0, 0.65), inset 0 1px 0 0 rgba(255, 255, 255, 0.22);
  transition: border-color 0.25s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.25s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.25s cubic-bezier(0.16, 1, 0.3, 1),
              background-color 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform;
}

.skill-bento-card:hover {
  border-color: rgba(255, 255, 255, 0.24);
  transform: translateY(-4px);
  box-shadow: 0 24px 54px -10px rgba(0, 0, 0, 0.78), inset 0 1px 0 0 rgba(255, 255, 255, 0.32), 0 0 16px rgba(168, 255, 62, 0.10);
  background: rgba(22, 27, 36, 0.84);
}

.skill-bento-card:active {
  transform: scale(0.975);
  transition: transform 100ms ease-out;
}

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

.skill-icon-wrap {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.skill-icon-wrap svg {
  width: 100%;
  height: 100%;
  display: block;
}

.skill-icon-wrap.text-accent,
.skill-icon-wrap.text-accent svg {
  color: var(--accent, #A8FF3E);
}

.skill-bento-card:hover .skill-icon-wrap {
  transform: scale(1.08);
}

.skill-name {
  font-family: "IBM Plex Sans", sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--paper, #F4F3EF);
  text-align: center;
  line-height: 1.3;
}

/* -------------------------------------------------------------------
   4. INTERNSHIP BENTO CARD & ARCHITECTURE
   ------------------------------------------------------------------- */
.internship-bento-card {
  display: grid;
  grid-template-columns: 1.35fr 0.85fr;
  gap: 2rem;
  background: rgba(16, 20, 26, 0.72);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 20px;
  padding: 2.25rem;
  overflow: hidden;
  position: relative;
  box-shadow: 0 20px 48px -12px rgba(0, 0, 0, 0.65), inset 0 1px 0 0 rgba(255, 255, 255, 0.22);
  transition: border-color 0.3s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.internship-bento-card:hover {
  border-color: rgba(255, 255, 255, 0.22);
  box-shadow: 0 28px 60px -10px rgba(0, 0, 0, 0.78), inset 0 1px 0 0 rgba(255, 255, 255, 0.32);
}

.internship-content-side {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  justify-content: center;
  z-index: 1;
}

.intern-company-header {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.intern-icon-box {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--paper, #F4F3EF);
  flex-shrink: 0;
  transition: border-color 0.25s ease, background-color 0.25s ease, color 0.25s ease;
}

.internship-bento-card:hover .intern-icon-box {
  border-color: rgba(168, 255, 62, 0.35);
  background: rgba(168, 255, 62, 0.08);
  color: var(--accent, #A8FF3E);
}

.intern-company-name {
  font-family: "Syne", sans-serif;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--paper, #F4F3EF);
  margin: 0;
  line-height: 1.2;
}

.intern-role-title {
  font-family: "IBM Plex Sans", sans-serif;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--muted, #8A8A84);
  letter-spacing: 0.02em;
  margin-top: 0.15rem;
  display: block;
}

.intern-meta-tag-strip {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-family: "IBM Plex Mono", Consolas, "Courier New", monospace;
  font-size: 0.74rem;
  color: var(--muted, #8A8A84);
  letter-spacing: 0.02em;
}

.intern-bullets {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.intern-bullets li {
  position: relative;
  padding-left: 1.4rem;
  font-family: "IBM Plex Sans", sans-serif;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--paper, #F4F3EF);
}

.intern-bullets li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65rem;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent, #A8FF3E);
  box-shadow: 0 0 6px var(--accent, #A8FF3E);
}

.internship-image-side {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  min-height: 220px;
  background: rgba(10, 10, 10, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.intern-building-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              filter 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  filter: grayscale(15%) contrast(105%);
}

.internship-bento-card:hover .intern-building-img {
  transform: scale(1.03);
  filter: grayscale(0%) contrast(108%);
}

.intern-image-scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(18, 18, 18, 0.7) 0%, rgba(18, 18, 18, 0.25) 50%, transparent 100%);
  pointer-events: none;
}

/* -------------------------------------------------------------------
   5. RESPONSIVE BREAKPOINTS
   ------------------------------------------------------------------- */
@media (max-width: 960px) {
  .skills-bento-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 0.85rem;
  }

  .internship-bento-card {
    grid-template-columns: 1fr;
    gap: 1.75rem;
    padding: 1.75rem;
  }

  .internship-image-side {
    min-height: 240px;
  }

  .intern-image-scrim {
    background: linear-gradient(to bottom, transparent 30%, rgba(18, 18, 18, 0.8) 100%);
  }
}

@media (max-width: 640px) {
  .section-header-flex {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
  }

  .skills-filter-bar {
    gap: 0.4rem;
    margin-bottom: 1.5rem;
  }

  .skill-filter-btn {
    font-size: 0.7rem;
    padding: 0.35rem 0.85rem;
  }

  .skills-bento-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
  }

  .skill-bento-card {
    padding: 1.25rem 0.75rem;
    gap: 0.65rem;
  }

  .skill-name {
    font-size: 0.74rem;
  }

  .internship-bento-card {
    padding: 1.25rem;
    gap: 1.25rem;
  }

  .intern-company-name {
    font-size: 1.15rem;
  }

  .intern-meta-tag-strip {
    flex-wrap: wrap;
    font-size: 0.7rem;
    gap: 0.4rem;
  }

  .intern-bullets li {
    font-size: 0.88rem;
    line-height: 1.55;
  }

  .internship-image-side {
    min-height: 180px;
  }
}

/* -------------------------------------------------------------------
   6. ACCESSIBILITY & PREFERS-REDUCED-MOTION
   ------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  .skill-filter-btn,
  .skill-bento-card,
  .skill-icon-wrap,
  .internship-bento-card,
  .intern-icon-box,
  .intern-building-img,
  .section-action-link {
    transition: none !important;
    transform: none !important;
  }
}