/* ==========================================
   ROSP INFOTECH – PORTFOLIO SECTION
   Glass System – Synced + Premium Hover
========================================== */

.dr1portfolio {
  padding: 110px 20px;

  background:
    radial-gradient(circle at top,
      rgba(56,189,248,0.12),
      transparent 45%),
    linear-gradient(180deg, #020617, #020617);

  font-family: 'Poppins', sans-serif;
  text-align: center;
  position: relative;
  overflow: hidden;
  color: #e5e7eb;
}

/* ===============================
   HEADING
=============================== */

.dr1portfolio .portfolio-heading {
  margin-bottom: 90px;
}

.dr1portfolio .portfolio-heading h2 {
  font-size: clamp(2rem, 4vw, 2.6rem);
  font-weight: 800;
  color: #f8fafc;
  letter-spacing: -0.5px;
  text-shadow: 0 12px 35px rgba(0,0,0,0.6);

  position: relative;
  display: inline-block;
}

/* Underline */

.dr1portfolio .portfolio-heading h2::after {
  content: "";
  width: 90px;
  height: 4px;
  background: linear-gradient(90deg, #38bdf8, #6366f1);
  border-radius: 4px;

  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: -14px;
}

.dr1portfolio .portfolio-heading p {
  color: #dbeafe;
  font-size: 1.05rem;
  margin-top: 30px;
}

/* ===============================
   GRID
=============================== */

.dr1portfolio .portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 36px;
  max-width: 1200px;
  margin: 0 auto;
  perspective: 1200px;
}

/* ===============================
   CARD – BASE GLASS STYLE
=============================== */

.dr1portfolio .card {
  position: relative;
  padding: 40px 28px;
  border-radius: 26px;

  background:
    linear-gradient(
      145deg,
      rgba(255,255,255,0.06),
      rgba(255,255,255,0.02)
    );

  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);

  border: 1px solid rgba(255,255,255,0.12);

  box-shadow:
    0 30px 90px rgba(0,0,0,0.8),
    inset 0 1px 0 rgba(255,255,255,0.05);

  transition:
    transform .4s cubic-bezier(.2,.8,.2,1),
    box-shadow .4s ease,
    border .4s ease,
    background .4s ease;

  overflow: hidden;
}

/* Gloss overlay */

.dr1portfolio .card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 26px;

  background: linear-gradient(
    120deg,
    rgba(255,255,255,0.18) 0%,
    rgba(255,255,255,0.05) 30%,
    transparent 60%
  );

  opacity: 0.35;
  pointer-events: none;
}

/* ===============================
   CARD HOVER – COLOR SHIFT
=============================== */

@media (hover: hover) {

  .dr1portfolio .card:hover {

    background:
      linear-gradient(
        145deg,
        rgba(56,189,248,0.15),
        rgba(99,102,241,0.08)
      );

    transform: translateY(-14px) scale(1.02);

    border: 1px solid rgba(56,189,248,0.4);

    box-shadow:
      0 60px 150px rgba(0,0,0,0.9),
      0 0 60px rgba(56,189,248,0.35);
  }

  .dr1portfolio .card:hover h3 {
    color: #38bdf8;
  }
}

/* ===============================
   CARD CONTENT
=============================== */

.dr1portfolio .card h3 {
  color: #f8fafc;
  font-size: 1.2rem;
  margin-bottom: 14px;
  transition: color .3s ease;
}

.dr1portfolio .card p {
  color: #cbd5e1;
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ===============================
   BUTTON
=============================== */

.dr1portfolio .project-link {
  display: inline-block;
  margin-top: 20px;
  padding: 10px 20px;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;

  border-radius: 999px;
  background: linear-gradient(90deg, #38bdf8, #6366f1);
  color: #ffffff;

  box-shadow: 0 15px 40px rgba(56,189,248,0.4);

  transition: transform .3s ease, box-shadow .3s ease;
}

.dr1portfolio .project-link:hover {
  transform: translateY(-4px);
  box-shadow: 0 35px 90px rgba(56,189,248,0.7);
}

/* ===============================
   RESPONSIVE
=============================== */

@media (max-width: 768px) {
  .dr1portfolio {
    padding: 90px 18px;
  }

  .dr1portfolio .card {
    padding: 32px 22px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
  }
}

@media (max-width: 480px) {
  .dr1portfolio .portfolio-heading h2 {
    font-size: 1.8rem;
  }
}

/* ===============================
   REDUCED MOTION SUPPORT
=============================== */

@media (prefers-reduced-motion: reduce) {
  .dr1portfolio * {
    transition: none !important;
  }
}