/* LAYOUT K — Diagonal Showcase for Mobile Development */

.layout-k-hero {
  padding: 8rem 0 6rem;
  background: linear-gradient(135deg, #1e1b4b, #311042);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% 90%, 0 100%);
}

.layout-k-hero h1 {
  font-size: clamp(3rem, 6vw, 4.5rem);
  font-weight: 900;
  line-height: 1.1;
  color: var(--color-white);
  margin-bottom: 1.5rem;
}

.layout-k-hero p {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.8);
  max-width: 600px;
  line-height: 1.6;
  margin-bottom: 2.5rem;
}

.layout-k-hero .btn-primary {
  background: var(--color-mint);
  color: var(--color-gray-900);
  border-color: var(--color-mint);
}

.layout-k-hero .btn-primary:hover {
  background: var(--color-white);
  color: var(--color-purple);
  border-color: var(--color-white);
}

.layout-k-hero .btn-outline {
  border-color: var(--color-gray-300);
  color: var(--color-white);
}

.layout-k-hero .btn-outline:hover {
  background: rgba(255, 255, 255, 0.15);
  color: var(--color-white);
}

.k-showcase-section {
  padding: 6rem 0;
  background: var(--surface);
}

.k-split {
  display: flex;
  align-items: center;
  gap: 5rem;
}

.k-visual-column {
  flex: 1;
  position: relative;
}

.k-phone-mockup {
  position: relative;
  width: 100%;
  max-width: 380px;
  margin: 0 auto;
  border-radius: 2.5rem;
  box-shadow: var(--shadow-2xl);
  border: 12px solid var(--color-gray-900);
  overflow: hidden;
  background: var(--color-gray-900);
  aspect-ratio: 9/19;
}

.k-phone-mockup img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.k-text-column {
  flex: 1.2;
}

.k-text-column h2 {
  font-size: 2.8rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.k-text-column p {
  font-size: 1.1rem;
  color: var(--color-gray-600);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.k-illustration-section {
  padding: 6rem 0;
  background: var(--surface-soft);
  clip-path: polygon(0 5%, 100% 0, 100% 95%, 0 100%);
  margin: 4rem 0;
}

.k-ill-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4rem;
  align-items: center;
}

.k-ill-svg {
  display: flex;
  justify-content: center;
  align-items: center;
}

.k-ill-svg svg {
  width: 100%;
  max-width: 320px;
  color: var(--color-purple);
}

.k-stat-badge {
  background: var(--color-mint-light);
  color: var(--color-mint-deep);
  font-weight: 800;
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  display: inline-block;
  margin-bottom: 1rem;
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
}

.k-cta-card {
  background: linear-gradient(135deg, var(--color-purple), #581c87);
  color: var(--color-white);
  border-radius: 2rem;
  padding: 4rem 3rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.k-cta-card h2 {
  color: var(--color-white);
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.k-cta-card p {
  color: var(--color-white) !important;
  opacity: 0.85;
}

.k-cta-card .btn-surface {
  background: var(--color-white);
  color: var(--color-purple);
  font-weight: 800;
  border-radius: 10px; /* rounded.lg */
  transition: all 0.3s ease;
}

.k-cta-card .btn-surface:hover {
  background: var(--color-mint);
  color: var(--color-gray-900);
}

/* ==========================================
   NEW PREMIUM MIDDLE SECTIONS
   ========================================== */

/* Section 1: Duel Grid (Native vs Cross-platform) */
.k-duel-section {
  padding: 6rem 0;
  background: var(--color-white);
}

.k-duel-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-top: 3rem;
}

.k-duel-card {
  background: var(--surface-soft);
  border-radius: 2rem;
  padding: 3.5rem;
  border: 1px solid var(--color-gray-150);
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

.k-duel-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-purple);
}

.k-duel-card h3 {
  font-size: 2rem;
  font-weight: 900;
  margin-bottom: 1rem;
}

.k-duel-badge {
  display: inline-block;
  padding: 0.35rem 0.75rem;
  border-radius: 1rem;
  font-weight: 700;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.5rem;
}

.badge-native {
  background: rgba(139, 92, 246, 0.1);
  color: var(--color-purple);
}

.badge-cross {
  background: rgba(0, 180, 134, 0.1);
  color: var(--color-mint-deep);
}

.k-duel-list {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
}

.k-duel-list li {
  margin-bottom: 1rem;
  position: relative;
  padding-left: 2rem;
  font-size: 1.05rem;
  color: var(--color-gray-600);
}

.k-duel-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-mint);
  font-weight: 900;
  font-size: 1.2rem;
}

.k-duel-card:hover .k-duel-list li::before {
  color: var(--color-purple);
}

/* Section 2: Premium Collage Mockup Stack */
.k-collage-section {
  padding: 6rem 0;
  background: var(--surface-soft);
  overflow: hidden;
}

.k-collage-container {
  display: flex;
  align-items: center;
  gap: 5rem;
}

.k-collage-left {
  flex: 1;
}

.k-collage-left h2 {
  font-size: 2.8rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.k-collage-right {
  flex: 1.2;
  position: relative;
  height: 480px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.collage-phone {
  position: absolute;
  width: 220px;
  border-radius: 2rem;
  border: 8px solid var(--color-gray-900);
  background: var(--color-gray-900);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  transition: all 0.5s ease;
  aspect-ratio: 9/19;
}

.phone-1 {
  transform: rotate(-12deg) translate(-100px, 0);
  z-index: 1;
}

.phone-2 {
  z-index: 3;
  transform: translateY(-20px);
  box-shadow: var(--shadow-2xl);
}

.phone-3 {
  transform: rotate(12deg) translate(100px, 0);
  z-index: 2;
}

.k-collage-right:hover .phone-1 {
  transform: rotate(-18deg) translate(-140px, -20px);
}

.k-collage-right:hover .phone-2 {
  transform: translateY(-40px) scale(1.05);
}

.k-collage-right:hover .phone-3 {
  transform: rotate(18deg) translate(140px, -20px);
}

.collage-phone img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Styled pure HTML/CSS Mobile Illustrations */
.collage-phone-ill {
  width: 100%;
  height: 100%;
  background: var(--color-white);
  padding: 1.5rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  box-sizing: border-box;
}

.ill-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 1px solid var(--color-gray-200);
  padding-bottom: 0.5rem;
}

.ill-avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-purple);
}

.ill-title-line {
  height: 8px;
  background: var(--color-gray-200);
  border-radius: 4px;
  width: 60px;
}

.ill-chat-msg {
  max-width: 80%;
  padding: 0.5rem 0.75rem;
  font-size: 0.7rem;
  font-weight: 500;
  border-radius: 10px;
  line-height: 1.3;
}

.ill-chat-msg.sent {
  background: var(--color-purple);
  color: var(--color-white);
  align-self: flex-end;
  border-bottom-right-radius: 0;
}

.ill-chat-msg.received {
  background: var(--color-mint-light);
  color: var(--color-mint-deep);
  align-self: flex-start;
  border-bottom-left-radius: 0;
}

.ill-chat-input {
  margin-top: auto;
  height: 24px;
  border-radius: 12px;
  border: 1px solid var(--color-gray-200);
  background: var(--color-white-soft);
  width: 100%;
}

/* Phone 2 Dashboard illustration */
.phone-2 .collage-phone-ill {
  background: var(--color-purple-darkest);
  color: var(--color-white);
}

.phone-2 .ill-header {
  border-bottom-color: rgba(255,255,255,0.1);
}

.phone-2 .ill-avatar {
  background: var(--color-mint);
}

.phone-2 .ill-title-line {
  background: rgba(255,255,255,0.2);
}

.ill-gauge-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 1rem;
}

.ill-gauge-circle {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: 6px solid rgba(255,255,255,0.1);
  border-top-color: var(--color-mint);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 800;
  color: var(--color-white);
}

.ill-gauge-val {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-white);
  margin-top: 0.75rem;
  letter-spacing: -0.02em;
}

.ill-bar-chart {
  display: flex;
  justify-content: space-around;
  align-items: flex-end;
  height: 50px;
  margin-top: auto;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.ill-chart-bar {
  width: 10px;
  border-radius: 3px 3px 0 0;
  background: var(--color-mint);
}

/* Phone 3 Checklist Illustration */
.phone-3 .collage-phone-ill {
  background: var(--color-white-soft);
}

.ill-check-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  background: var(--color-white);
  border-radius: 8px;
  border: 1px solid var(--color-gray-200);
}

.ill-checkbox {
  width: 16px;
  height: 16px;
  border-radius: 4px;
  border: 2px solid var(--color-purple);
  display: flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
}

.ill-checkbox.checked {
  background: var(--color-purple);
  border-color: var(--color-purple);
}

.ill-checkbox.checked::after {
  content: "✓";
  color: var(--color-white);
  font-size: 0.6rem;
  font-weight: 900;
}

.ill-check-txt {
  height: 8px;
  background: var(--color-gray-700);
  border-radius: 4px;
  width: 70%;
}

/* Section 3: App Success Metrics Dashboard */
.k-metrics-section {
  padding: 6rem 0;
  background: var(--color-white);
}

.k-metrics-dashboard {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3.5rem;
}

.k-metric-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-150);
  border-radius: 1.5rem;
  padding: 3rem 2rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.k-metric-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--color-purple);
}

.k-metric-circle {
  width: 110px;
  height: 110px;
  border-radius: 50%;
  border: 6px solid var(--color-mint-light);
  border-top-color: var(--color-mint);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 2rem;
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--color-gray-900);
}

.k-metric-card:nth-child(2) .k-metric-circle {
  border-color: var(--color-purple-light);
  border-top-color: var(--color-purple);
}

.k-metric-card:nth-child(3) .k-metric-circle {
  border-color: rgba(255, 107, 107, 0.1);
  border-top-color: var(--color-salmon);
}

.k-metric-card h4 {
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.k-metric-card p {
  font-size: 0.95rem;
  color: var(--color-gray-500);
  line-height: 1.5;
}

@media (max-width: 992px) {
  .k-duel-grid, .k-collage-container, .k-metrics-dashboard {
    grid-template-columns: 1fr;
    flex-direction: column;
    gap: 3rem;
  }
  .k-collage-right {
    height: auto;
    aspect-ratio: 16/9;
  }
  .collage-phone {
    width: 150px;
  }
  .phone-1 {
    transform: rotate(-10deg) translate(-60px, 0);
  }
  .phone-3 {
    transform: rotate(10deg) translate(60px, 0);
  }
  .k-collage-right:hover .phone-1 {
    transform: rotate(-12deg) translate(-80px, -10px);
  }
  .k-collage-right:hover .phone-3 {
    transform: rotate(12deg) translate(80px, -10px);
  }
}