.proj-header {
  padding-top: 68px;
  min-height: 42vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: var(--bg);
}

.proj-header-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.proj-header-inner {
  position: relative;
  z-index: 1;
  padding-top: 4rem;
  padding-bottom: 4rem;
  text-align: center;
}

.proj-header-inner h1 {
  font-family: "Sora", sans-serif;
  font-size: clamp(2.8rem, 7vw, 5rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.05;
  color: var(--text);
  margin: 0.4rem 0 1rem;
}

.proj-header-inner h1 span {
  background: linear-gradient(135deg, var(--accent), #7c5bf4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.proj-header-inner p {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 520px;
  line-height: 1.8;
  margin: 0 auto;
}

.filter-bar {
  position: sticky;
  top: 68px;
  z-index: 50;
  background: rgba(241, 244, 255, 0.92);
  border-bottom: 1px solid var(--border);
  padding: 0.85rem 0;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: background var(--tr);
}

[data-theme="dark"] .filter-bar {
  background: rgba(11, 15, 26, 0.92);
}

.filter-btns {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.filter-btn {
  background: transparent;
  border: 1.5px solid var(--border-s);
  border-radius: 100px;
  padding: 0.45rem 1.3rem;
  font-family: "DM Sans", sans-serif;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  transition: all var(--tr);
  min-height: 36px;
}

.filter-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}

.filter-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  box-shadow: 0 4px 14px rgba(59, 124, 244, 0.3);
}

.proj-section {
  padding: 3.5rem 0 6rem;
}

.proj-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 1.75rem;
}

.proj-card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--tr), box-shadow var(--tr), border-color var(--tr), opacity 0.4s ease;
  display: flex;
  flex-direction: column;
}

.proj-card:hover {
  transform: translateY(-7px);
  box-shadow: var(--shadow-lg);
  border-color: var(--border-s);
}

.proj-thumb {
  height: 175px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}

.proj-thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(0, 0, 0, 0.2) 100%);
}

.proj-emoji {
  font-size: 3.2rem;
  z-index: 1;
  filter: drop-shadow(0 4px 16px rgba(0, 0, 0, 0.3));
  transition: transform 0.3s ease;
}

.proj-emoji img {
  margin-top: 20px;
  width: 5rem;
  height: 5rem;
  object-fit: contain;
}

.proj-emoji img.img_tri {
  width: 12rem !important;
  height: 8rem !important;
}

.proj-card:hover .proj-emoji {
  transform: translateY(-4px);
}

.proj-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 2;
  font-size: 0.67rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 11px;
  border-radius: 100px;
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
}

.proj-badge.startup {
  background: rgba(34, 197, 94, 0.35);
}

.proj-badge.sistema {
  background: rgba(59, 130, 246, 0.35);
}

.proj-badge.site {
  background: rgba(168, 85, 247, 0.35);
}

.proj-body {
  padding: 1.6rem 1.75rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0;
  flex: 1;
}

.proj-cat {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.09em;
  text-transform: uppercase;
  margin-bottom: 0.45rem;
  display: block;
}

.proj-body h2 {
  font-family: "Sora", sans-serif;
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
  margin-bottom: 0.55rem;
  line-height: 1.3;
}

.proj-body p {
  font-size: 0.87rem;
  color: var(--muted);
  line-height: 1.78;
  margin-bottom: 1rem;
  flex: 1;
  text-align: justify;
}

.proj-techs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.85rem;
}

.proj-techs span {
  font-size: 0.7rem;
  font-weight: 600;
  background: var(--accent-soft);
  color: var(--accent);
  padding: 3px 10px;
  border-radius: 100px;
  border: 1px solid var(--border-s);
  transition: background var(--tr), color var(--tr);
}

.proj-techs span:hover {
  background: var(--accent);
  color: #fff;
}

.proj-link {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: gap var(--tr), color var(--tr);
  margin-top: auto;
  cursor: pointer;
  min-height: 36px;
}

.proj-link:hover {
  gap: 0.7rem;
  color: #2560d4;
}

.video-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 10001;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background: rgba(5, 8, 16, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.video-modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.video-modal-box {
  width: 100%;
  max-width: 920px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transform: translateY(24px) scale(0.97);
  transition: transform 0.38s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.video-modal-overlay.open .video-modal-box {
  transform: translateY(0) scale(1);
}

.video-modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
}

.video-modal-title {
  font-family: "Sora", sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
}

.video-modal-close {
  background: var(--accent-soft);
  border: 1px solid var(--border-s);
  border-radius: 100px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text);
  cursor: pointer;
  transition: background var(--tr), color var(--tr), transform var(--tr);
}

.video-modal-close:hover {
  background: var(--accent);
  color: #fff;
  transform: rotate(90deg);
}

.video-modal-body {
  background: #000;
  aspect-ratio: 16 / 9;
  width: 100%;
}

.video-modal-body video {
  width: 100%;
  height: 100%;
  display: block;
  background: #000;
}

@media (max-width: 720px) {
  .proj-grid {
    grid-template-columns: 1fr;
  }

  .proj-header-inner h1 {
    font-size: clamp(2.2rem, 10vw, 3.5rem);
  }

  .filter-bar {
    top: 60px;
  }

  .filter-btns {
    gap: 0.4rem;
  }

  .filter-btn {
    font-size: 0.78rem;
    padding: 0.4rem 1rem;
  }
}

@media (max-width: 600px) {
  .video-modal-overlay {
    padding: 1rem;
  }

  .video-modal-title {
    font-size: 0.85rem;
  }
}

@media (max-width: 480px) {
  .proj-section {
    padding: 2rem 0 4rem;
  }
}