/* ==========================================================================
   KEYRANK - Services Page Stylesheet (3D Flip Cards)
   File: assets/css/services-page.css
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. HERO SECTION
   -------------------------------------------------------------------------- */
.kr-sp-hero {
  position: relative;
  background: linear-gradient(135deg, #0b1120 0%, #17102e 100%);
  padding: 80px 0 100px;
  overflow: hidden;
  color: #ffffff;
  text-align: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.kr-sp-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(230, 59, 44, 0.15) 0%, rgba(37, 99, 235, 0.1) 40%, transparent 70%);
  pointer-events: none;
  z-index: 1;
}

.kr-sp-hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  margin: 0 auto;
}

.kr-sp-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 30px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 20px;
  backdrop-filter: blur(10px);
}

.kr-sp-hero h1 {
  font-size: clamp(2.5rem, 5vw, 3.8rem);
  font-weight: 800;
  margin-bottom: 20px;
  line-height: 1.2;
}

.kr-sp-hero h1 span {
  background: linear-gradient(135deg, #ff5640 0%, #e63b2c 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.kr-sp-hero p {
  font-size: 1.15rem;
  color: #cbd5e1;
  line-height: 1.7;
  max-width: 650px;
  margin: 0 auto;
}

/* --------------------------------------------------------------------------
   2. 3D FLIP SERVICES GRID
   -------------------------------------------------------------------------- */
.kr-sp-grid-section {
  padding: 80px 0;
  background: #f8fafc;
}

.kr-sp-section-title {
  text-align: center;
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--kr-dark);
  margin-bottom: 60px;
}

.kr-sp-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

/* 3D Container */
.kr-sp-card-container {
  perspective: 1500px;
  height: 400px;
  border-radius: var(--kr-radius-lg);
}

.kr-sp-card {
  width: 100%;
  height: 100%;
  position: relative;
  transition: transform 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275); /* Bouncy smooth flip */
  transform-style: preserve-3d;
  cursor: pointer;
  box-shadow: 0 15px 35px rgba(0,0,0,0.08);
  border-radius: var(--kr-radius-lg);
}

.kr-sp-card-container:hover .kr-sp-card {
  transform: rotateY(180deg);
}

/* Common Front & Back */
.kr-sp-card-front, 
.kr-sp-card-back {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  backface-visibility: hidden;
  border-radius: var(--kr-radius-lg);
  overflow: hidden;
}

/* ----------------- FRONT SIDE ----------------- */
.kr-sp-card-front {
  background: #000;
}

.kr-sp-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.65;
  transition: transform 0.5s ease, opacity 0.5s ease;
}

.kr-sp-card-container:hover .kr-sp-card-img {
  transform: scale(1.1);
  opacity: 0.4;
}

.kr-sp-card-front-content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  padding: 30px;
  background: linear-gradient(to top, rgba(11, 17, 32, 0.9) 0%, rgba(11, 17, 32, 0.3) 50%, transparent 100%);
  text-align: center;
}

.kr-sp-card-front-icon {
  font-size: 2.5rem;
  color: #fff;
  margin-bottom: 10px;
  text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

.kr-sp-card-front h3 {
  color: #ffffff;
  font-size: 1.6rem;
  font-weight: 800;
  margin: 0;
  text-shadow: 0 2px 5px rgba(0,0,0,0.5);
}

/* ----------------- BACK SIDE ----------------- */
.kr-sp-card-back {
  background: linear-gradient(135deg, var(--kr-primary) 0%, #ff5640 100%);
  transform: rotateY(180deg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 30px;
  text-align: center;
  color: #ffffff;
}

.kr-sp-card-back::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.2) 1px, transparent 1px);
  background-size: 20px 20px;
  opacity: 0.3;
}

.kr-sp-card-back h3 {
  font-size: 1.4rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 15px;
  position: relative;
  z-index: 2;
}

.kr-sp-card-back p {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.6;
  margin-bottom: 25px;
  position: relative;
  z-index: 2;
}

.kr-btn-card {
  position: relative;
  z-index: 2;
  background: #ffffff;
  color: var(--kr-primary);
  font-weight: 700;
  padding: 10px 24px;
  border-radius: 30px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 10px 20px rgba(0,0,0,0.15);
  transition: all 0.3s ease;
}

.kr-btn-card i {
  font-size: 1.2rem;
  transition: transform 0.3s ease;
}

.kr-btn-card:hover {
  background: var(--kr-dark);
  color: #ffffff;
  box-shadow: 0 10px 25px rgba(0,0,0,0.25);
}

.kr-btn-card:hover i {
  transform: translateX(5px);
}

/* --------------------------------------------------------------------------
   3. RESPONSIVE
   -------------------------------------------------------------------------- */
@media (max-width: 767.98px) {
  .kr-sp-hero {
    padding: 60px 0 80px;
  }
  .kr-sp-hero h1 {
    font-size: 2.2rem;
  }
  .kr-sp-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }
}