/* ================================================================
   RUMDIGI v2 — Components (Buttons, Cards, Badges, Toast, Forms)
   ================================================================ */

/* === BUTTONS === */
.rd-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--rd-space-2);
  padding: 0 var(--rd-space-6);
  height: 44px;
  font-size: var(--rd-text-sm);
  font-weight: var(--rd-fw-semi);
  border-radius: var(--rd-radius-md);
  transition: var(--rd-trans-base);
  cursor: pointer;
  border: 1px solid transparent;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}
.rd-btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--rd-grad-shine);
  opacity: 0;
  transition: opacity 0.3s;
}
.rd-btn:hover::after { opacity: 1; }

/* Primary */
.rd-btn-primary {
  background: var(--rd-grad-blue);
  color: white;
  box-shadow: var(--rd-shadow-blue);
}
.rd-btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(42,111,151,0.4); }
.rd-btn-primary:active { transform: translateY(0); }

/* Accent (orange) */
.rd-btn-accent {
  background: var(--rd-grad-accent);
  color: white;
  box-shadow: var(--rd-shadow-accent);
}
.rd-btn-accent:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(232,101,26,0.45); }

/* Outline */
.rd-btn-outline {
  background: transparent;
  border-color: var(--rd-border);
  color: var(--rd-text-2);
}
.rd-btn-outline:hover { border-color: var(--rd-primary); color: var(--rd-primary-light); background: rgba(42,111,151,0.08); }

/* Ghost */
.rd-btn-ghost { background: rgba(86,186,220,0.08); color: var(--rd-primary-light); border-color: var(--rd-border); }
.rd-btn-ghost:hover { background: rgba(86,186,220,0.16); border-color: var(--rd-primary); }

/* Sizes */
.rd-btn-sm { height: 34px; padding: 0 var(--rd-space-4); font-size: var(--rd-text-xs); }
.rd-btn-lg { height: 52px; padding: 0 var(--rd-space-8); font-size: var(--rd-text-base); }

/* Icon button */
.rd-btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--rd-radius-md);
  background: var(--rd-bg-card);
  border: 1px solid var(--rd-border);
  color: var(--rd-text-2);
}
.rd-btn-icon:hover { border-color: var(--rd-primary); color: var(--rd-primary-light); }

/* === CARDS === */
.rd-card {
  background: var(--rd-bg-card);
  border: 1px solid var(--rd-border);
  border-radius: var(--rd-radius-lg);
  padding: var(--rd-space-6);
  transition: var(--rd-trans-slow);
  position: relative;
  overflow: hidden;
}
.rd-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: var(--rd-grad-blue);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}
.rd-card:hover { border-color: var(--rd-border-hover); transform: translateY(-4px); box-shadow: var(--rd-shadow-lg); }
.rd-card:hover::before { transform: scaleX(1); }

/* Glass card */
.rd-card-glass {
  background: var(--rd-glass-bg);
  backdrop-filter: var(--rd-glass-blur);
  -webkit-backdrop-filter: var(--rd-glass-blur);
  border: 1px solid var(--rd-glass-border);
  border-radius: var(--rd-radius-lg);
}

/* === PRODUCT CARD === */
.rd-product-card {
  background: var(--rd-bg-card);
  border: 1px solid var(--rd-border);
  border-radius: var(--rd-radius-xl);
  overflow: hidden;
  transition: var(--rd-trans-slow);
  display: flex;
  flex-direction: column;
  position: relative;
}
.rd-product-card:hover { transform: translateY(-6px); box-shadow: var(--rd-shadow-xl); border-color: var(--rd-border-hover); }
.rd-product-card-accent {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--rd-grad-blue);
  transition: height 0.3s;
}
.rd-product-card:hover .rd-product-card-accent { height: 4px; }
.rd-product-card-header {
  padding: var(--rd-space-6);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--rd-space-4);
}
.rd-product-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--rd-radius-md);
  background: rgba(42,111,151,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(42,111,151,0.2);
  font-size: 24px;
  color: var(--rd-primary-light);
  flex-shrink: 0;
}
.rd-product-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: var(--rd-radius-full);
  font-size: 11px;
  font-weight: var(--rd-fw-semi);
  letter-spacing: 0.04em;
}
.rd-product-badge.hot { background: rgba(232,101,26,0.15); color: var(--rd-accent); border: 1px solid rgba(232,101,26,0.25); }
.rd-product-badge.new { background: rgba(86,186,220,0.12); color: var(--rd-blue-300); border: 1px solid rgba(86,186,220,0.2); }
.rd-product-badge.popular { background: rgba(42,111,151,0.15); color: var(--rd-primary-light); border: 1px solid var(--rd-border); }

.rd-product-card-body { padding: 0 var(--rd-space-6) var(--rd-space-6); flex: 1; }
.rd-product-card-body h3 { font-size: var(--rd-text-lg); margin-bottom: var(--rd-space-2); }
.rd-product-card-body h3 a { color: var(--rd-text); transition: var(--rd-trans-fast); }
.rd-product-card-body h3 a:hover { color: var(--rd-primary-light); }
.rd-product-card-body p { font-size: var(--rd-text-sm); color: var(--rd-text-3); line-height: var(--rd-lh-normal); }

.rd-product-features { margin-top: var(--rd-space-4); display: flex; flex-direction: column; gap: var(--rd-space-2); }
.rd-product-feature {
  display: flex;
  align-items: center;
  gap: var(--rd-space-2);
  font-size: var(--rd-text-xs);
  color: var(--rd-text-3);
}
.rd-product-feature svg { color: var(--rd-primary-light); flex-shrink: 0; }

.rd-product-card-footer {
  padding: var(--rd-space-4) var(--rd-space-6);
  border-top: 1px solid var(--rd-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--rd-space-4);
}
.rd-product-price { display: flex; flex-direction: column; }
.rd-product-price-main { font-size: var(--rd-text-lg); font-weight: var(--rd-fw-bold); color: var(--rd-accent); }
.rd-product-price-label { font-size: var(--rd-text-xs); color: var(--rd-text-3); }

/* === BLOG CARD === */
.rd-blog-card {
  background: var(--rd-bg-card);
  border: 1px solid var(--rd-border);
  border-radius: var(--rd-radius-lg);
  overflow: hidden;
  transition: var(--rd-trans-slow);
  display: flex;
  flex-direction: column;
}
.rd-blog-card:hover { transform: translateY(-4px); box-shadow: var(--rd-shadow-lg); border-color: var(--rd-border-hover); }
.rd-blog-card-img {
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--rd-bg-2);
  position: relative;
}
.rd-blog-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.rd-blog-card:hover .rd-blog-card-img img { transform: scale(1.05); }
.rd-blog-card-cat {
  position: absolute;
  top: var(--rd-space-3);
  left: var(--rd-space-3);
  padding: 3px 10px;
  background: var(--rd-glass-bg);
  backdrop-filter: blur(8px);
  border: 1px solid var(--rd-glass-border);
  border-radius: var(--rd-radius-full);
  font-size: 11px;
  font-weight: var(--rd-fw-semi);
  color: var(--rd-primary-light);
}
.rd-blog-card-body { padding: var(--rd-space-5); flex: 1; display: flex; flex-direction: column; }
.rd-blog-card-body h3 { font-size: var(--rd-text-base); font-weight: var(--rd-fw-semi); line-height: var(--rd-lh-snug); margin-bottom: var(--rd-space-2); }
.rd-blog-card-body h3 a { color: var(--rd-text); transition: var(--rd-trans-fast); }
.rd-blog-card-body h3 a:hover { color: var(--rd-primary-light); }
.rd-blog-card-body p { font-size: var(--rd-text-sm); color: var(--rd-text-3); line-height: var(--rd-lh-normal); flex: 1; }
.rd-blog-card-meta { margin-top: var(--rd-space-4); padding-top: var(--rd-space-4); border-top: 1px solid var(--rd-border); }

/* List view blog card */
.rd-blog-card.list-view { flex-direction: row; }
.rd-blog-card.list-view .rd-blog-card-img { width: 280px; flex-shrink: 0; aspect-ratio: unset; }
.rd-blog-card.list-view .rd-blog-card-body { padding: var(--rd-space-6); }
.rd-blog-card.list-view h3 { font-size: var(--rd-text-xl); }

/* === STAT ITEMS === */
.rd-stat-item { text-align: center; }
.rd-stat-number {
  font-size: clamp(var(--rd-text-3xl), 5vw, var(--rd-text-5xl));
  font-weight: var(--rd-fw-bold);
  background: var(--rd-grad-blue);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: var(--rd-space-2);
}
.rd-stat-label { font-size: var(--rd-text-sm); color: var(--rd-text-3); font-weight: var(--rd-fw-medium); }

/* === FEATURE ITEM === */
.rd-feature-item { display: flex; gap: var(--rd-space-4); align-items: flex-start; }
.rd-feature-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--rd-radius-md);
  background: rgba(42,111,151,0.12);
  border: 1px solid rgba(42,111,151,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--rd-primary-light);
}
.rd-feature-body h4 { font-size: var(--rd-text-base); font-weight: var(--rd-fw-semi); margin-bottom: var(--rd-space-2); }
.rd-feature-body p { font-size: var(--rd-text-sm); color: var(--rd-text-3); }

/* === STEP ITEM === */
.rd-step-item { display: flex; gap: var(--rd-space-5); position: relative; padding-bottom: var(--rd-space-8); }
.rd-step-item:last-child { padding-bottom: 0; }
.rd-step-item::after {
  content: '';
  position: absolute;
  left: 19px;
  top: 42px;
  bottom: 0;
  width: 1px;
  background: var(--rd-border);
}
.rd-step-item:last-child::after { display: none; }
.rd-step-no {
  width: 40px;
  height: 40px;
  border-radius: var(--rd-radius-full);
  background: var(--rd-bg-card);
  border: 2px solid var(--rd-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--rd-fw-bold);
  font-size: var(--rd-text-sm);
  color: var(--rd-primary-light);
  flex-shrink: 0;
}
.rd-step-body h4 { font-size: var(--rd-text-base); font-weight: var(--rd-fw-semi); margin-bottom: var(--rd-space-2); padding-top: 10px; }
.rd-step-body p { font-size: var(--rd-text-sm); color: var(--rd-text-3); }

/* === FORMS === */
.rd-form-group { margin-bottom: var(--rd-space-5); }
.rd-label {
  display: block;
  font-size: var(--rd-text-sm);
  font-weight: var(--rd-fw-medium);
  color: var(--rd-text-2);
  margin-bottom: var(--rd-space-2);
}
.rd-input,
.rd-textarea,
.rd-select {
  width: 100%;
  padding: var(--rd-space-3) var(--rd-space-4);
  background: var(--rd-bg-card);
  border: 1px solid var(--rd-border);
  border-radius: var(--rd-radius-md);
  color: var(--rd-text);
  font-size: var(--rd-text-sm);
  font-family: var(--rd-font);
  transition: var(--rd-trans-fast);
  -webkit-appearance: none;
}
.rd-input:focus, .rd-textarea:focus, .rd-select:focus {
  outline: none;
  border-color: var(--rd-primary);
  box-shadow: 0 0 0 3px rgba(42,111,151,0.15);
}
.rd-input::placeholder, .rd-textarea::placeholder { color: var(--rd-text-3); }
.rd-textarea { min-height: 140px; resize: vertical; }

/* === DIVIDER WITH TEXT === */
.rd-divider-text {
  display: flex;
  align-items: center;
  gap: var(--rd-space-4);
  margin: var(--rd-space-6) 0;
  font-size: var(--rd-text-sm);
  color: var(--rd-text-3);
}
.rd-divider-text::before, .rd-divider-text::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--rd-border);
}

/* === TOAST NOTIFICATIONS === */
#rd-toast-container {
  position: fixed;
  bottom: var(--rd-space-6);
  right: var(--rd-space-6);
  z-index: var(--rd-z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--rd-space-3);
  pointer-events: none;
}
.rd-toast {
  display: flex;
  align-items: flex-start;
  gap: var(--rd-space-3);
  padding: var(--rd-space-4) var(--rd-space-5);
  background: var(--rd-glass-bg);
  backdrop-filter: var(--rd-glass-blur);
  -webkit-backdrop-filter: var(--rd-glass-blur);
  border: 1px solid var(--rd-glass-border);
  border-radius: var(--rd-radius-lg);
  box-shadow: var(--rd-shadow-xl);
  min-width: 300px;
  max-width: 400px;
  pointer-events: all;
  transform: translateX(120%);
  transition: transform 0.35s cubic-bezier(.25,.46,.45,.94), opacity 0.35s;
  opacity: 0;
}
.rd-toast.show { transform: translateX(0); opacity: 1; }
.rd-toast.hide { transform: translateX(120%); opacity: 0; }
.rd-toast-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--rd-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 15px;
}
.rd-toast.success .rd-toast-icon { background: rgba(34,197,94,0.15); color: #4ade80; }
.rd-toast.error   .rd-toast-icon { background: rgba(239,68,68,0.15);  color: #f87171; }
.rd-toast.info    .rd-toast-icon { background: rgba(86,186,220,0.15); color: var(--rd-blue-300); }
.rd-toast.warning .rd-toast-icon { background: rgba(232,101,26,0.15); color: var(--rd-accent); }
.rd-toast-body { flex: 1; }
.rd-toast-title { font-weight: var(--rd-fw-semi); font-size: var(--rd-text-sm); color: var(--rd-text); margin-bottom: 2px; }
.rd-toast-msg { font-size: var(--rd-text-xs); color: var(--rd-text-3); }
.rd-toast-close { width: 20px; height: 20px; cursor: pointer; color: var(--rd-text-3); display: flex; align-items: center; justify-content: center; border-radius: 4px; transition: var(--rd-trans-fast); flex-shrink: 0; }
.rd-toast-close:hover { color: var(--rd-text); background: rgba(255,255,255,0.05); }
.rd-toast-progress {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  border-radius: 0 0 var(--rd-radius-lg) var(--rd-radius-lg);
  overflow: hidden;
}
.rd-toast-progress-bar {
  height: 100%;
  background: var(--rd-grad-blue);
  transform-origin: left;
  animation: rd-progress linear forwards;
}
.rd-toast.success .rd-toast-progress-bar { background: #4ade80; }
.rd-toast.error   .rd-toast-progress-bar { background: #f87171; }
.rd-toast.warning .rd-toast-progress-bar { background: var(--rd-accent); }
@keyframes rd-progress { from { transform: scaleX(1); } to { transform: scaleX(0); } }

/* === BACK TO TOP === */
#rd-back-top {
  position: fixed;
  bottom: var(--rd-space-6);
  right: var(--rd-space-6);
  width: 40px;
  height: 40px;
  border-radius: var(--rd-radius-full);
  background: var(--rd-grad-blue);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: var(--rd-z-card);
  opacity: 0;
  transform: translateY(20px);
  transition: var(--rd-trans-base);
  box-shadow: var(--rd-shadow-blue);
  border: none;
}
#rd-back-top.visible { opacity: 1; transform: translateY(0); }
#rd-back-top:hover { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(42,111,151,0.4); }

/* === LOADING / SKELETON === */
.rd-skeleton {
  background: linear-gradient(90deg, var(--rd-bg-card) 0%, rgba(42,111,151,0.08) 40%, var(--rd-bg-card) 80%);
  background-size: 200% 100%;
  animation: rd-skeleton-shimmer 1.5s infinite;
  border-radius: var(--rd-radius-md);
}
@keyframes rd-skeleton-shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

/* === PAIN POINT CARD === */
.rd-pain-card {
  background: var(--rd-bg-card);
  border: 1px solid var(--rd-border);
  border-radius: var(--rd-radius-lg);
  padding: var(--rd-space-6);
  border-left: 3px solid var(--rd-accent);
}
.rd-pain-card h4 { font-size: var(--rd-text-base); font-weight: var(--rd-fw-semi); margin-bottom: var(--rd-space-3); color: var(--rd-text); display: flex; align-items: center; gap: var(--rd-space-2); }
.rd-pain-card p { font-size: var(--rd-text-sm); color: var(--rd-text-3); }

/* === WHY ITEM === */
.rd-why-item {
  display: flex;
  align-items: flex-start;
  gap: var(--rd-space-4);
  padding: var(--rd-space-5);
  background: var(--rd-bg-card);
  border: 1px solid var(--rd-border);
  border-radius: var(--rd-radius-lg);
  transition: var(--rd-trans-base);
}
.rd-why-item:hover { border-color: var(--rd-border-hover); background: rgba(42,111,151,0.05); }
.rd-why-num {
  font-size: var(--rd-text-3xl);
  font-weight: var(--rd-fw-bold);
  background: var(--rd-grad-blue);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  min-width: 48px;
}
.rd-why-body h4 { font-size: var(--rd-text-base); font-weight: var(--rd-fw-semi); margin-bottom: var(--rd-space-2); }
.rd-why-body p { font-size: var(--rd-text-sm); color: var(--rd-text-3); }

/* === CTA SECTION === */
.rd-cta-section {
  background: var(--rd-grad-hero);
  border: 1px solid var(--rd-border);
  border-radius: var(--rd-radius-2xl);
  padding: var(--rd-space-16) var(--rd-space-12);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.rd-cta-section::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(86,186,220,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.rd-cta-actions { display: flex; align-items: center; justify-content: center; gap: var(--rd-space-4); flex-wrap: wrap; margin-top: var(--rd-space-8); }
.rd-cta-contact { display: flex; align-items: center; justify-content: center; gap: var(--rd-space-6); flex-wrap: wrap; margin-top: var(--rd-space-5); }
.rd-cta-contact-item {
  display: flex;
  align-items: center;
  gap: var(--rd-space-3);
  font-size: var(--rd-text-sm);
  color: var(--rd-text-2);
}
.rd-cta-contact-item a { color: var(--rd-primary-light); font-weight: var(--rd-fw-semi); }
.rd-cta-contact-item .icon { width: 36px; height: 36px; border-radius: var(--rd-radius-md); border: 1px solid var(--rd-border); display: flex; align-items: center; justify-content: center; }