/* ============================================================
   projectStackStyles.css
   Light-theme redesign for Project Stack page
   All existing IDs & class hooks preserved — design only
   ============================================================ */


:root {
  --ps-white:      #ffffff;
  --ps-bg:         #f5f3ef;          
  --ps-bg2:        #ede9e2;
  --ps-ink:        #1a1612;          
  --ps-ink2:       #4a453e;
  --ps-muted:      #9a948c;
  --ps-accent:     #d4541a;          
  --ps-accent-lt:  #fdf0e8;
  --ps-accent2:    #1a3d6e;          
  --ps-border:     rgba(26,22,18,0.08);
  --ps-shadow-sm:  0 2px 12px rgba(26,22,18,0.06);
  --ps-shadow-md:  0 8px 30px rgba(26,22,18,0.10);
  --ps-shadow-lg:  0 20px 60px rgba(26,22,18,0.14);
  --ps-radius:     16px;
  --ps-radius-sm:  10px;
  --ps-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);

  
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'Plus Jakarta Sans', sans-serif;
}


*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background-color: var(--ps-bg);
  color: var(--ps-ink);
  font-family: var(--font-body);
  min-height: 100vh;
  overflow-x: hidden;
}


body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
  opacity: 0.4;
}




.ps-navbar {
  background: rgba(245, 243, 239, 0.92) !important;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--ps-border);
  box-shadow: 0 1px 0 var(--ps-border);
  padding: 12px 0;
  transition: box-shadow var(--ps-transition);
}
.ps-navbar.scrolled {
  box-shadow: var(--ps-shadow-sm);
}


.ps-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 18px;
  background: var(--ps-white);
  border: 1px solid var(--ps-border);
  border-radius: 999px;
  color: var(--ps-ink2);
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--ps-transition);
  white-space: nowrap;
  box-shadow: var(--ps-shadow-sm);
}
.ps-back-btn:hover {
  background: var(--ps-ink);
  color: var(--ps-white);
  border-color: var(--ps-ink);
  transform: translateX(-3px);
  box-shadow: var(--ps-shadow-md);
}


.ps-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--ps-ink) !important;
  text-decoration: none;
  letter-spacing: -0.01em;
}
.ps-brand-dot {
  width: 8px;
  height: 8px;
  background: var(--ps-accent);
  border-radius: 50%;
  display: inline-block;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.6; transform: scale(1.4); }
}


.ps-pill {
  padding: 6px 16px;
  background: transparent;
  border: 1.5px solid var(--ps-border);
  border-radius: 999px;
  color: var(--ps-muted);
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--ps-transition);
  white-space: nowrap;
  letter-spacing: 0.02em;
}
.ps-pill:hover {
  border-color: var(--ps-accent);
  color: var(--ps-accent);
  background: var(--ps-accent-lt);
}
.ps-pill.active {
  background: var(--ps-accent);
  border-color: var(--ps-accent);
  color: var(--ps-white);
  box-shadow: 0 4px 14px rgba(212,84,26,0.25);
}




.ps-hero {
  padding: clamp(4rem, 9vw, 7rem) 0 clamp(3rem, 6vw, 5rem);
  position: relative;
  overflow: hidden;
}


.ps-hero::before {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  right: -150px;
  top: -150px;
  background: radial-gradient(circle, rgba(212,84,26,0.08) 0%, transparent 65%);
  border-radius: 50%;
  pointer-events: none;
}


.ps-eyebrow {
  display: inline-flex;
  align-items: center;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ps-accent);
  background: var(--ps-accent-lt);
  border: 1px solid rgba(212,84,26,0.18);
  padding: 5px 14px;
  border-radius: 999px;
  margin-bottom: 1.4rem;
  animation: fadeUp 0.6s ease both;
}


.ps-hero-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.6rem, 6vw, 4.2rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--ps-ink);
  margin-bottom: 1.2rem;
  animation: fadeUp 0.6s 0.1s ease both;
}
.ps-hero-title em {
  font-style: italic;
  color: var(--ps-accent);
  position: relative;
}

.ps-hero-title em::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 4px;
  width: 100%;
  height: 3px;
  background: var(--ps-accent);
  opacity: 0.25;
  border-radius: 2px;
}

.ps-hero-sub {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--ps-ink2);
  max-width: 500px;
  font-weight: 400;
  animation: fadeUp 0.6s 0.2s ease both;
}


.ps-stats {
  animation: fadeUp 0.6s 0.3s ease both;
}
.ps-stat {
  display: flex;
  flex-direction: column;
}
.ps-stat-num {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--ps-ink);
  line-height: 1;
}
.ps-stat-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ps-muted);
  margin-top: 4px;
}
.ps-stat-divider {
  width: 1px;
  background: var(--ps-border);
  align-self: stretch;
}


.ps-hero-deco {
  position: relative;
  width: 260px;
  height: 260px;
}
.ps-deco-ring {
  position: absolute;
  border-radius: 50%;
  border: 1.5px dashed rgba(212,84,26,0.2);
  animation: spin-slow linear infinite;
}
.ps-deco-ring--1 {
  width: 220px;
  height: 220px;
  top: 20px;
  left: 20px;
  animation-duration: 30s;
}
.ps-deco-ring--2 {
  width: 160px;
  height: 160px;
  top: 50px;
  left: 50px;
  animation-duration: 20s;
  animation-direction: reverse;
  border-color: rgba(26,61,110,0.15);
}
.ps-deco-card {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--ps-white);
  border: 1px solid var(--ps-border);
  border-radius: var(--ps-radius);
  padding: 18px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  box-shadow: var(--ps-shadow-md);
  white-space: nowrap;
}
.ps-deco-card i {
  font-size: 1.8rem;
  color: var(--ps-accent);
}
.ps-deco-card span {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--ps-ink2);
}

@keyframes spin-slow { to { transform: rotate(360deg); } }




.ps-controls-bar {
  padding: 0 0 2.5rem;
  animation: fadeUp 0.6s 0.35s ease both;
}

.ps-search-wrap {
  position: relative;
}
.ps-search-icon {
  position: absolute;
  left: 15px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--ps-muted);
  font-size: 0.9rem;
  pointer-events: none;
}

.ps-search-input {
  width: 100%;
  padding: 12px 16px 12px 42px;
  background: var(--ps-white);
  border: 1.5px solid var(--ps-border);
  border-radius: 12px;
  color: var(--ps-ink);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 400;
  outline: none;
  transition: border-color var(--ps-transition), box-shadow var(--ps-transition);
  box-shadow: var(--ps-shadow-sm);
}
.ps-search-input::placeholder { color: var(--ps-muted); }
.ps-search-input:focus {
  border-color: var(--ps-accent);
  box-shadow: 0 0 0 4px rgba(212,84,26,0.08);
}


.ps-select-wrap {
  position: relative;
}
.ps-select {
  width: 100%;
  appearance: none;
  padding: 12px 40px 12px 16px;
  background: var(--ps-white);
  border: 1.5px solid var(--ps-border);
  border-radius: 12px;
  color: var(--ps-ink);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  outline: none;
  transition: border-color var(--ps-transition), box-shadow var(--ps-transition);
  box-shadow: var(--ps-shadow-sm);
}
.ps-select:focus {
  border-color: var(--ps-accent);
  box-shadow: 0 0 0 4px rgba(212,84,26,0.08);
}
.ps-select-icon {
  position: absolute;
  right: 13px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--ps-muted);
  font-size: 0.8rem;
  pointer-events: none;
}



.ps-grid-section {
  animation: fadeUp 0.6s 0.4s ease both;
}




.project-card {
  background: var(--ps-white);
  border: 1px solid var(--ps-border) !important;
  border-radius: var(--ps-radius) !important;
  overflow: hidden;
  transition: transform var(--ps-transition), box-shadow var(--ps-transition), border-color var(--ps-transition);
  box-shadow: var(--ps-shadow-sm);
  position: relative;
}
.project-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--ps-radius);
  background: linear-gradient(135deg, rgba(212,84,26,0.03) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--ps-transition);
  pointer-events: none;
  z-index: 0;
}
.project-card:hover {
  transform: translateY(-8px) scale(1.01);
  box-shadow: var(--ps-shadow-lg), 0 0 0 1.5px rgba(212,84,26,0.12);
  border-color: rgba(212,84,26,0.18) !important;
}
.project-card:hover::before { opacity: 1; }


.card-img-top {
  height: 200px !important;
  object-fit: cover !important;
  transition: transform 0.5s ease;
}
.project-card:hover .card-img-top {
  transform: scale(1.04);
}


.project-card .card-img-wrapper {
  position: relative;
  overflow: hidden;
}
.project-card .card-img-wrapper::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: linear-gradient(to top, var(--ps-white), transparent);
  pointer-events: none;
}


.card-body {
  position: relative;
  z-index: 1;
  padding: 1.25rem 1.3rem 1.4rem !important;
}


.card-title {
  font-family: var(--font-display) !important;
  font-weight: 700 !important;
  font-size: 1.05rem !important;
  letter-spacing: -0.01em;
  color: var(--ps-ink) !important;
  margin-bottom: 0.4rem !important;
  line-height: 1.3;
}


.card-text {
  font-size: 0.82rem !important;
  color: var(--ps-muted) !important;
  line-height: 1.6;
  font-weight: 400;
}


.tech-badge {
  background: var(--ps-accent-lt) !important;
  color: var(--ps-accent) !important;
  border: 1px solid rgba(212,84,26,0.15) !important;
  font-size: 0.68rem !important;
  font-weight: 700 !important;
  letter-spacing: 0.04em;
  padding: 3px 9px !important;
  border-radius: 6px !important;
  text-transform: uppercase;
  transition: background var(--ps-transition), color var(--ps-transition);
}
.project-card:hover .tech-badge {
  background: rgba(212,84,26,0.12) !important;
}


.btn-outline-primary {
  --bs-btn-color: var(--ps-accent) !important;
  --bs-btn-border-color: var(--ps-accent) !important;
  --bs-btn-hover-bg: var(--ps-accent) !important;
  --bs-btn-hover-border-color: var(--ps-accent) !important;
  --bs-btn-hover-color: #fff !important;
  border-radius: 10px !important;
  font-size: 0.82rem !important;
  font-weight: 600 !important;
  padding: 9px 18px !important;
  letter-spacing: 0.02em;
  transition: all var(--ps-transition) !important;
}
.btn-outline-primary:hover {
  transform: translateX(3px);
  box-shadow: 0 4px 14px rgba(212,84,26,0.3) !important;
}


.counter,
#projectCount {
  font-size: 0.82rem !important;
  color: var(--ps-muted) !important;
  font-weight: 600;
  letter-spacing: 0.03em;
}


.text-center.mt-5.text-muted {
  padding: 5rem 2rem;
  font-size: 1.1rem;
  color: var(--ps-muted) !important;
}



@keyframes fadeUp {
  from { opacity: 0; transform: translateY(22px); }
  to   { opacity: 1; transform: translateY(0); }
}


.row#projectContainer > div { animation: fadeUp 0.5s ease both; }
.row#projectContainer > div:nth-child(1) { animation-delay: 0.05s; }
.row#projectContainer > div:nth-child(2) { animation-delay: 0.10s; }
.row#projectContainer > div:nth-child(3) { animation-delay: 0.15s; }
.row#projectContainer > div:nth-child(4) { animation-delay: 0.20s; }
.row#projectContainer > div:nth-child(5) { animation-delay: 0.25s; }
.row#projectContainer > div:nth-child(6) { animation-delay: 0.30s; }
.row#projectContainer > div:nth-child(7) { animation-delay: 0.35s; }
.row#projectContainer > div:nth-child(8) { animation-delay: 0.40s; }
.row#projectContainer > div:nth-child(9) { animation-delay: 0.45s; }



::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--ps-bg); }
::-webkit-scrollbar-thumb { background: var(--ps-bg2); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--ps-muted); }



@media (max-width: 767px) {
  .ps-hero { padding: 3rem 0 2rem; }
  .ps-hero-title { font-size: 2.2rem; }
  .ps-hero-sub { font-size: 0.95rem; }
  .ps-stats { gap: 1.2rem !important; }
  .ps-stat-num { font-size: 1.4rem; }
}

@media (max-width: 575px) {
  .ps-controls-bar .row { gap: 0.75rem; }
  .card-img-top { height: 170px !important; }
}