/* =========================================
   GROW TECH PORTFOLIO - SCROLLING IMAGE CSS
   ========================================= */

:root {
  --gt-bg: #0d102a;
  --gt-gold: #c9a86a;
  --gt-cyan: #00ffff;
  --gt-muted: #9ca3af;
  --gt-glass: rgba(255, 255, 255, 0.03);
  --gt-border: rgba(201, 168, 106, 0.15);

  /* Smooth Scroll Speeds */
  --scroll-speed-fast: 5s;
  --scroll-speed-long: 10s;
  --return-speed: 1.5s;
}

.gt-portfolio-section {
  padding: 50px 20px;
  background-color: var(--gt-bg);
  color: #fff;
  min-height: 100vh;
}

.gt-portfolio-wrapper {
  max-width: 1400px;
  margin: 0 auto;
}

/* --- Hero --- */
.gt-portfolio-hero {
  text-align: center;
  margin-bottom: 80px;
}

.gt-portfolio-main-title {
  font-family: "Bungee", cursive;
  font-size: clamp(2.5rem, 6vw, 4rem);
  margin-bottom: 15px;
}

.gt-portfolio-main-title span {
  color: var(--gt-cyan);
}

.gt-portfolio-subtitle {
  color: var(--gt-gold);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 2px;
}

/* --- Grid --- */
.gt-portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
  gap: 40px;
}

/* --- Card & Image Core --- */
.gt-work-card {
  background: var(--gt-glass);
  border: 1px solid var(--gt-border);
  border-radius: 25px;
  overflow: hidden;
  transition:
    transform 0.4s ease,
    border-color 0.4s ease;
  position: relative;
  cursor: pointer;
}

/* --- Image Container (Fixing the Height) --- */
.gt-work-img-container {
  position: relative;
  width: 100%;
  height: 300px; /* ডেস্কটপের জন্য ফিক্সড হাইট */
  overflow: hidden;
  background: #151a3a;
  -webkit-mask-image: -webkit-radial-gradient(white, black);
}

.gt-scroll-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  object-position: top;
  /* ফিরে আসার সময় এই ট্রানজিশন কাজ করবে */
  transition: transform var(--return-speed) ease-in-out;
  will-change: transform;
  transform: translateY(0);
}

/* --- ডেস্কটপ হোভার লজিক (769px+) --- */
@media (min-width: 769px) {
  .gt-work-card:hover {
    border-color: var(--gt-cyan);
    transform: translateY(-8px);
  }

  /* মাউস নিলে স্মুথলি নিচে যাবে */
  .gt-work-card:hover .gt-scroll-img {
    transition: transform var(--scroll-speed-fast) linear;
    transform: translateY(calc(-100% + 300px)); /* কন্টেইনার হাইট 300px */
  }

  .gt-work-card.long-frame:hover .gt-scroll-img {
    transition: transform var(--scroll-speed-long) linear;
  }

  .gt-work-card:hover .gt-work-overlay {
    opacity: 1;
  }
}

/* --- মোবাইল একটিভ লজিক (JS toggle) --- */
.gt-work-card.is-active .gt-scroll-img {
  transition: transform var(--scroll-speed-fast) linear !important;
  transform: translateY(
    calc(-100% + 230px)
  ) !important; /* মোবাইলে হাইট ২৩০পিএক্স */
}

.gt-work-card.is-active.long-frame .gt-scroll-img {
  transition: transform var(--scroll-speed-long) linear !important;
}

.gt-work-card.is-active .gt-work-overlay {
  opacity: 1 !important;
}

.gt-work-card.is-active {
  border-color: var(--gt-cyan);
}

/* Overlay & Buttons */
.gt-work-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(13, 16, 42, 0.9), transparent 70%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 30px;
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
  z-index: 5;
}

.gt-tech-tags span {
  background: rgba(201, 168, 106, 0.1);
  color: #c9a86a;
  padding: 5px 14px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  border: 1.5px solid #c9a86a;
  margin-right: 8px;
  display: inline-block;
  text-transform: uppercase;
}

.gt-visit-btn {
  background: var(--gt-cyan);
  color: #000;
  padding: 10px 20px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 700;
  margin-top: 15px;
  pointer-events: auto;
  width: fit-content;
}

/* Details */
.gt-work-details {
  padding: 25px;
}
.gt-work-details h3 {
  color: var(--gt-gold);
  margin-bottom: 8px;
}
.gt-work-details p {
  color: var(--gt-muted);
  font-size: 0.95rem;
}

/* --- Media Queries --- */
@media (max-width: 992px) {
  .gt-portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
  }
}

@media (max-width: 768px) {
  .gt-portfolio-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto;
  }

  /* মোবাইল কন্টেইনার হাইট */
  .gt-work-img-container {
    height: 230px;
  }

  /* মাউস হোভার ইফেক্ট পুরোপুরি বন্ধ (মোবাইলে টাচ আর হোভার কনফ্লিক্ট করে) */
  .gt-work-card:hover .gt-scroll-img {
    transform: none;
    transition: transform var(--return-speed) ease-in-out;
  }
}

@media (max-width: 480px) {
  .gt-work-img-container {
    height: 200px;
  }
  .gt-work-card.is-active .gt-scroll-img {
    transform: translateY(calc(-100% + 200px)) !important;
  }
}