/* ==========================================================================
   ALDER STORIES TESTIMONIALS SECTION - DARK LUXURY ADAPTATION
   Inspired by Kombai "Alder Stories" (Reference: kombai:import-screen:testimonials-web-3)
   Adapted for Impacta Hub: Dark Obsidian, Hairline Borders, Gold/Amber Accents
   ========================================================================== */

.alder-testimonials-section {
  position: relative;
  background-color: #050608 !important;
  color: #f5f5f7;
  padding: 120px 0 140px;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  overflow: hidden;
  isolation: isolate;
}

/* Subtle architectural background depth */
.alder-testimonials-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(1200px, 100%);
  height: 100%;
  background: radial-gradient(circle at 50% 15%, rgba(255, 122, 0, 0.035) 0%, transparent 65%);
  pointer-events: none;
  z-index: 0;
}

/* Section Header */
.alder-header-wrap {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 56px;
}

.alder-header-left {
  max-width: 680px;
}

.alder-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Montserrat', system-ui, -apple-system, sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #FF4500;
  margin-bottom: 14px;
}

.alder-eyebrow::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #FF4500;
  box-shadow: 0 0 10px #FF4500;
}

.alder-title {
  font-family: 'Montserrat', system-ui, -apple-system, sans-serif;
  font-size: clamp(28px, 3.2vw, 42px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: #ffffff;
  margin: 0;
}

.alder-serif-italic {
  font-family: 'Montserrat', system-ui, -apple-system, sans-serif;
  
  font-weight: 400;
  color: #FF4500;
  display: inline-block;
  letter-spacing: normal;
}

.alder-subtitle {
  font-family: 'Montserrat', system-ui, -apple-system, sans-serif;
  font-size: 15.5px;
  line-height: 1.6;
  color: rgba(226, 215, 204, 0.7);
  margin-top: 16px;
  margin-bottom: 0;
  max-width: 580px;
  font-weight: 400;
}

.alder-header-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 24px;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #ffffff;
  font-family: 'Montserrat', system-ui, -apple-system, sans-serif;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  flex-shrink: 0;
}

.alder-header-cta svg {
  transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

.alder-header-cta:hover {
  background: rgba(255, 69, 0, 0.08);
  border-color: rgba(255, 69, 0, 0.35);
  color: #FF4500;
  transform: translateY(-2px);
}

.alder-header-cta:hover svg {
  transform: translate(2px, -2px);
}

/* 4-Column Staggered Masonry Grid */
.alder-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  align-items: start;
}

.alder-col {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

/* Stagger effect: Columns 2 and 4 drop down */
.alder-col.alder-drop {
  padding-top: 64px;
}

/* Photo Testimonial Card */
.alder-card-photo {
  position: relative;
  border-radius: 22px;
  overflow: hidden;
  background: #0a0b0e;
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  text-decoration: none;
  cursor: pointer;
  height: 400px;
  box-sizing: border-box;
  isolation: isolate;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), 
              border-color 0.4s ease, 
              box-shadow 0.4s ease;
}

.alder-card-photo.alder-tall {
  height: 450px;
}

.alder-photo-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  z-index: 1;
  transform: scale(1);
  transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.alder-card-photo:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 69, 0, 0.35);
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.9), 0 0 25px -5px rgba(255, 122, 0, 0.12);
}

.alder-card-photo:hover .alder-photo-img {
  transform: scale(1.04);
}

.alder-photo-overlay {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 26px 22px;
  min-height: 100%;
  box-sizing: border-box;
  background: linear-gradient(180deg, 
    rgba(5, 6, 8, 0) 0%, 
    rgba(5, 6, 8, 0.08) 30%, 
    rgba(5, 6, 8, 0.82) 48%, 
    rgba(5, 6, 8, 0.98) 68%, 
    #050608 100%
  );
}

.alder-quote {
  margin: 0 0 16px 0;
  padding: 0;
  border: none;
  background: transparent;
}

.alder-quote q {
  font-family: 'Montserrat', system-ui, -apple-system, sans-serif;
  font-size: 13.5px;
  line-height: 1.58;
  color: rgba(255, 255, 255, 0.96);
  font-weight: 400;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.95);
  quotes: "“" "”";
}

.alder-meta {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.alder-name {
  font-family: 'Montserrat', system-ui, -apple-system, sans-serif;
  font-size: 15px;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.01em;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.9);
}

.alder-role {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: 'Montserrat', system-ui, -apple-system, sans-serif;
  font-size: 11px;
  font-weight: 600;
  color: #FF5500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.9);
}

.alder-arrow {
  display: inline-block;
  font-size: 11px;
  transition: transform 0.25s ease;
}

.alder-card-photo:hover .alder-arrow {
  transform: translate(2px, -2px);
}

/* Dark Glass Liquid Proof Tile */
.alder-card-tile {
  position: relative;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.025);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 22px 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 155px;
  box-sizing: border-box;
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), 
              border-color 0.35s ease, 
              background 0.35s ease,
              box-shadow 0.35s ease;
}

.alder-card-tile:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 69, 0, 0.25);
  background: rgba(255, 255, 255, 0.04);
  box-shadow: 0 12px 30px -10px rgba(0, 0, 0, 0.6);
}

.alder-tile-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.alder-tile-kicker {
  font-family: 'Montserrat', system-ui, -apple-system, sans-serif;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #FF4500;
}

.alder-tile-icon-wrap {
  width: 32px;
  height: 32px;
  border-radius: 9px;
  background: rgba(255, 69, 0, 0.08);
  border: 1px solid rgba(255, 69, 0, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FF4500;
  flex-shrink: 0;
}

.alder-tile-body {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.alder-tile-title {
  font-family: 'Montserrat', system-ui, -apple-system, sans-serif;
  font-size: 15px;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.015em;
  line-height: 1.3;
  margin: 0;
}

.alder-tile-text {
  font-family: 'Montserrat', system-ui, -apple-system, sans-serif;
  font-size: 12.5px;
  color: rgba(226, 215, 204, 0.65);
  line-height: 1.48;
  margin: 0;
  font-weight: 400;
}

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

@media (max-width: 1024px) {
  .alder-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  
  .alder-col.alder-drop {
    padding-top: 0;
  }

  .alder-header-wrap {
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
  }
}

@media (max-width: 640px) {
  .alder-testimonials-section {
    padding: 80px 0 90px;
  }

  .alder-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .alder-col {
    gap: 16px;
  }

  .alder-card-photo,
  .alder-card-photo.alder-tall {
    height: 380px;
  }

  .alder-photo-overlay {
    padding: 20px 18px;
  }

  .alder-quote q {
    font-size: 13px;
  }

  .alder-card-tile {
    min-height: auto;
    padding: 18px 16px;
  }

  .alder-tile-title {
    font-size: 15px;
  }

  .alder-tile-text {
    font-size: 12px;
  }
}