/* ==========================================================================
   OPTIVANCE — Projects Showcase Styles (Strictly < 250 lines)
   ========================================================================== */

/* Hero Section */
.projects-hero {
  position: relative;
  background: radial-gradient(circle at 85% 45%, rgba(16, 185, 129, 0.22) 0%, transparent 55%),
              linear-gradient(135deg, #01291D 0%, #033D2B 50%, #012B1E 100%);
  padding: 56px 0 48px;
  overflow: hidden;
  border-bottom: 1px solid rgba(16, 185, 129, 0.15);
}
.projects-hero__grid { display: grid; grid-template-columns: 1.15fr 0.85fr; align-items: center; gap: var(--sp-8); }
.projects-hero__breadcrumb { display: inline-flex; align-items: center; gap: 8px; font-size: 0.875rem; font-weight: 500; color: rgba(255, 255, 255, 0.7); margin-bottom: var(--sp-3); }
.projects-hero__home-icon { width: 15px; height: 15px; color: #10B981; }
.projects-hero__breadcrumb a { color: rgba(255, 255, 255, 0.8); text-decoration: none; transition: color var(--transition-fast); }
.projects-hero__breadcrumb a:hover { color: #34D399; }
.projects-hero__breadcrumb .sep { color: rgba(255, 255, 255, 0.4); }
.projects-hero__breadcrumb .current { color: #FFFFFF; font-weight: 600; }
.projects-hero__title { font-size: clamp(2.2rem, 4vw, 3.25rem); font-weight: 800; color: #FFFFFF; letter-spacing: -0.025em; margin-bottom: var(--sp-3); line-height: 1.15; }
.projects-hero__subtitle { font-size: 1.05rem; line-height: 1.6; color: rgba(255, 255, 255, 0.82); max-width: 540px; margin: 0; }
.projects-hero__visual { display: flex; justify-content: flex-end; align-items: center; }
.projects-hero__img { width: 100%; max-width: 580px; height: auto; border-radius: var(--radius-lg); filter: drop-shadow(0 15px 35px rgba(0, 0, 0, 0.35)); }

/* Filter Tabs */
.projects-section { padding: 52px 0 76px; background-color: var(--color-bg); transition: background-color var(--transition-normal); }
.projects-filters { display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: 12px; margin-bottom: 44px; }
.filter-btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 10px 24px;
  border-radius: 9999px; border: 1.5px solid var(--color-border); background: var(--color-surface);
  color: var(--color-text); font-size: 0.9rem; font-weight: 600; cursor: pointer;
  transition: all 0.2s ease;
}
[data-theme="light"] .filter-btn { background: #FFFFFF; border-color: #E2E8F0; }
.filter-btn:hover { border-color: #059669; color: #059669; transform: translateY(-1px); }
.filter-btn.active { background: #059669; border-color: #059669; color: #FFFFFF; box-shadow: 0 4px 14px rgba(5, 150, 105, 0.3); }
.filter-btn svg { width: 17px; height: 17px; }

/* Enhanced Projects Grid (Generous Image Space) */
.projects-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; margin-bottom: 56px; }
.project-card {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: 20px; padding: 24px; display: grid;
  grid-template-columns: 210px 1fr; gap: 24px; align-items: center;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease, opacity 0.3s ease;
  overflow: hidden;
}
[data-theme="light"] .project-card { background: #FFFFFF; border-color: #E2E8F0; box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04); }
.project-card:hover { transform: translateY(-4px); border-color: #059669; box-shadow: 0 14px 34px rgba(5, 150, 105, 0.14); }
.project-card.is-hidden { display: none; opacity: 0; }

.project-card__img-wrap {
  width: 210px; height: 195px; border-radius: 14px; overflow: hidden;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.08) 0%, rgba(16, 185, 129, 0.02) 75%);
  display: flex; align-items: center; justify-content: center; padding: 10px;
}
.project-card__img {
  width: 100%; height: 100%; object-fit: contain; transition: transform 0.3s ease;
  filter: drop-shadow(0 8px 18px rgba(0, 0, 0, 0.12));
}
.project-card:hover .project-card__img { transform: scale(1.05); }

.project-card__body { display: flex; flex-direction: column; justify-content: center; }
.project-card__title { font-size: 1.25rem; font-weight: 700; color: var(--color-text); margin: 0 0 8px; letter-spacing: -0.015em; }
.project-card__desc { font-size: 0.9rem; line-height: 1.55; color: var(--color-text-muted); margin: 0 0 14px; }
.project-card__tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.project-tag {
  display: inline-block; font-size: 0.75rem; font-weight: 600; padding: 4px 10px;
  border-radius: 9999px; background: rgba(5, 150, 105, 0.1); color: #059669;
}
[data-theme="dark"] .project-tag { background: rgba(5, 150, 105, 0.2); color: #34D399; }
.project-card__link {
  display: inline-flex; align-items: center; gap: 6px; font-size: 0.9rem;
  font-weight: 700; color: #059669; text-decoration: none; cursor: pointer;
  transition: transform 0.2s ease, color 0.2s ease;
}
.project-card__link:hover { color: #047857; transform: translateX(3px); }

/* Detail Modal */
.project-modal {
  position: fixed; inset: 0; background: rgba(0, 0, 0, 0.78); backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center; z-index: 1000;
  opacity: 0; pointer-events: none; transition: opacity 0.25s ease; padding: 20px;
}
.project-modal.is-active { opacity: 1; pointer-events: auto; }
.project-modal__content {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: 20px; max-width: 640px; width: 100%; max-height: 90vh;
  overflow-y: auto; padding: 34px; position: relative; box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}
[data-theme="light"] .project-modal__content { background: #FFFFFF; }
.project-modal__close {
  position: absolute; top: 16px; right: 16px; width: 34px; height: 34px;
  border-radius: 50%; border: none; background: rgba(0, 0, 0, 0.08);
  color: var(--color-text); font-size: 1.25rem; cursor: pointer; display: flex;
  align-items: center; justify-content: center;
}

/* Responsive */
@media (max-width: 980px) {
  .projects-grid { grid-template-columns: 1fr; }
  .project-card { grid-template-columns: 180px 1fr; gap: 18px; padding: 20px; }
  .project-card__img-wrap { width: 180px; height: 165px; }
}
@media (max-width: 768px) {
  .projects-hero__grid { grid-template-columns: 1fr; }
  .projects-hero__visual { justify-content: center; margin-top: var(--sp-4); }
}
@media (max-width: 580px) {
  .project-card { grid-template-columns: 1fr; }
  .project-card__img-wrap { width: 100%; height: 210px; }
}