/* KeepersNook — Homepage Visual Enhancement */
/* Adds depth, animation, and polish on top of existing kn-theme.css */

/* ═══ HERO — bigger, bolder, animated gradient ═══ */

.kn-hero {
  background: linear-gradient(160deg, #0f1f1c 0%, #142e29 25%, var(--kn-primary-dark) 50%, #1a4a42 75%, #0f1f1c 100%);
  background-size: 200% 200%;
  animation: kn-hero-shift 12s ease infinite;
  padding: 80px 24px 72px;
  position: relative;
  overflow: hidden;
}

.kn-hero::before {
  content: '';
  position: absolute;
  top: -40%;
  left: -20%;
  width: 140%;
  height: 180%;
  background:
    radial-gradient(ellipse at 25% 70%, rgba(42,123,111,.25) 0%, transparent 55%),
    radial-gradient(ellipse at 75% 30%, rgba(208,139,58,.1) 0%, transparent 45%);
  pointer-events: none;
}

.kn-hero::after {
  display: none;
}

@keyframes kn-hero-shift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.kn-hero-inner {
  position: relative;
  z-index: 1;
  max-width: 660px;
}

.kn-hero-badge {
  background: rgba(208,139,58,.12);
  border: 1px solid rgba(208,139,58,.2);
  backdrop-filter: blur(8px);
}

.kn-hero-title {
  font-size: clamp(2rem, 5.5vw, 2.8rem);
  letter-spacing: -0.025em;
  text-shadow: 0 2px 20px rgba(0,0,0,.15);
}

.kn-hero-search .search-form {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  backdrop-filter: blur(12px);
  transition: border-color .2s, box-shadow .2s;
}

.kn-hero-search .search-form:focus-within {
  border-color: rgba(255,255,255,.3);
  box-shadow: 0 0 0 3px rgba(208,139,58,.15);
}

.kn-hero-search .search-submit {
  background: var(--kn-accent);
  transition: background .2s, transform .15s;
}

.kn-hero-search .search-submit:hover {
  background: var(--kn-accent-light);
  transform: scale(1.03);
}

.kn-hero-stats {
  gap: 40px;
}

.kn-stat-num {
  font-size: 22px;
  font-weight: 700;
  text-shadow: 0 1px 8px rgba(0,0,0,.2);
}

/* ═══ TRUST BAR — glass effect ═══ */

.kn-trust-bar {
  background: linear-gradient(90deg, #c4903f, var(--kn-accent), var(--kn-accent-light), var(--kn-accent));
  background-size: 300% 100%;
  animation: kn-trust-shimmer 8s ease infinite;
  padding: 13px 24px;
  font-size: 12.5px;
  letter-spacing: .3px;
  box-shadow: 0 2px 12px rgba(208,139,58,.2);
}

@keyframes kn-trust-shimmer {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.kn-trust-bar span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ═══ SECTION HEADERS — more presence ═══ */

.kn-overline {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2.5px;
  color: var(--kn-accent);
  display: block;
  margin-bottom: 8px;
}

.kn-section h2 {
  font-family: var(--kn-font-display);
  font-size: clamp(1.4rem, 3vw, 1.8rem);
  font-weight: 700;
  color: var(--kn-char);
  letter-spacing: -0.01em;
}

.kn-section-subtitle {
  color: var(--kn-stone);
  font-size: 15px;
  max-width: 500px;
  margin: 8px auto 0;
}

/* ═══ SILO CARDS — colored top border, glow on hover ═══ */

.kn-silo-card {
  border-top: 3px solid var(--silo-color);
  border-left: none;
  padding: 28px 22px;
  transition: all .3s cubic-bezier(.25,.46,.45,.94);
}

.kn-silo-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,0,0,.08), 0 0 0 1px var(--silo-color);
}

.kn-silo-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  transition: transform .2s;
}

.kn-silo-card:hover .kn-silo-icon {
  transform: scale(1.08);
}

.kn-silo-name {
  font-family: var(--kn-font-display);
  font-size: 16px;
  font-weight: 600;
  color: var(--kn-char);
  margin-bottom: 6px;
}

.kn-silo-count {
  font-size: 12px;
  font-weight: 700;
  transition: letter-spacing .2s;
}

.kn-silo-card:hover .kn-silo-count {
  letter-spacing: .5px;
}

.kn-silo-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .8px;
  color: var(--kn-stone);
  background: var(--kn-mist);
  padding: 3px 10px;
  border-radius: 999px;
}

/* ═══ ARTICLE CARDS — proper aspect ratio, image zoom ═══ */

.kn-article-card {
  border: 1px solid rgba(168,176,173,.1);
  box-shadow: 0 1px 4px rgba(0,0,0,.03);
  transition: all .3s cubic-bezier(.25,.46,.45,.94);
}

.kn-article-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 16px 40px rgba(0,0,0,.1);
  border-color: rgba(168,176,173,.2);
}

.kn-article-card-img {
  aspect-ratio: 16 / 9;
  height: auto;
  overflow: hidden;
}

.kn-article-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  transition: transform .4s ease;
}

.kn-article-card:hover .kn-article-card-img img {
  transform: scale(1.06);
}

.kn-article-card-placeholder {
  aspect-ratio: 16 / 9;
  height: auto;
}

.kn-article-card-body {
  padding: 16px 16px 20px;
}

.kn-article-card-body h3 {
  font-size: 15.5px;
  line-height: 1.35;
  transition: color .2s;
}

.kn-article-card:hover .kn-article-card-body h3 {
  color: var(--kn-primary);
}

/* ═══ COMPAT CARDS — consistent styling ═══ */

.kn-compat-card {
  display: block;
  background: #fff;
  border-radius: var(--kn-radius);
  border: 1px solid rgba(168,176,173,.12);
  padding: 16px;
  text-decoration: none;
  transition: all .3s cubic-bezier(.25,.46,.45,.94);
  overflow: hidden;
}

.kn-compat-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(0,0,0,.08);
  border-color: var(--kn-primary);
}

.kn-compat-card h3 {
  font-family: var(--kn-font-display);
  font-size: 14px;
  font-weight: 600;
  color: var(--kn-char);
  margin: 10px 0 4px;
  line-height: 1.35;
}

/* ═══ FEEDING LIST — hover slide ═══ */

.kn-feeding-item {
  transition: all .2s;
  border: 1px solid rgba(168,176,173,.08);
}

.kn-feeding-item:hover {
  border-color: var(--kn-primary);
  background: var(--kn-primary-pale);
  transform: translateX(4px);
}

.kn-feeding-title {
  font-size: 15px;
}

/* ═══ AUTHOR CARDS — hover lift, gradient avatar ═══ */

.kn-author-card {
  transition: all .3s;
  border: 1px solid rgba(168,176,173,.1);
}

.kn-author-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,.06);
  border-color: var(--kn-primary-pale);
}

.kn-author-avatar {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--kn-primary), var(--kn-primary-light), var(--kn-accent));
  color: #fff;
  font-size: 18px;
  box-shadow: 0 3px 10px rgba(42,123,111,.2);
  transition: transform .2s;
}

.kn-author-card:hover .kn-author-avatar {
  transform: scale(1.08);
}

.kn-author-badge {
  margin-top: 10px;
  font-size: 10.5px;
  box-shadow: 0 1px 4px rgba(74,143,90,.1);
}

/* ═══ CROSS-SILO — hover glow ═══ */

.kn-cross-silo-circle {
  transition: transform .2s, box-shadow .2s;
}

.kn-cross-silo-circle:hover {
  transform: scale(1.12);
  box-shadow: 0 4px 16px rgba(0,0,0,.08);
}

/* ═══ NEWSLETTER — gradient mesh, more presence ═══ */

.kn-newsletter {
  padding: 64px 24px;
  background:
    radial-gradient(ellipse at 30% 50%, rgba(42,123,111,.6) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(208,139,58,.15) 0%, transparent 40%),
    linear-gradient(135deg, #142e29, var(--kn-primary-dark), #1a4a42);
  position: relative;
  overflow: hidden;
}

.kn-newsletter::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    90deg, transparent, transparent 40px,
    rgba(255,255,255,.02) 40px, rgba(255,255,255,.02) 41px
  );
  pointer-events: none;
}

.kn-newsletter-inner {
  position: relative;
  z-index: 1;
}

.kn-newsletter h3 {
  font-size: clamp(1.3rem, 3vw, 1.6rem);
  text-shadow: 0 2px 12px rgba(0,0,0,.15);
}

/* ═══ SECTION BACKGROUNDS — subtle texture ═══ */

.kn-bg-mist {
  background: var(--kn-mist);
  position: relative;
}

.kn-section {
  padding: 60px 24px;
}

.kn-section-inner {
  max-width: 960px;
  margin: 0 auto;
}

/* ═══ SMOOTH SCROLL ═══ */

html {
  scroll-behavior: smooth;
}

/* ═══ RESPONSIVE ENHANCEMENTS ═══ */

@media (max-width: 768px) {
  .kn-hero {
    padding: 60px 20px 52px;
  }

  .kn-hero-title {
    font-size: clamp(1.6rem, 7vw, 2.2rem);
  }

  .kn-article-card-img {
    height: 130px;
  }

  .kn-section {
    padding: 44px 20px;
  }

  .kn-newsletter {
    padding: 48px 20px;
  }
}

@media (max-width: 480px) {
  .kn-hero {
    padding: 48px 16px 40px;
  }

  .kn-hero-stats {
    gap: 16px;
  }

  .kn-stat-num {
    font-size: 18px;
  }
}

/* ═══ PRINT ═══ */

@media print {
  .kn-hero { background: #333 !important; animation: none; }
  .kn-hero::before, .kn-hero::after { display: none; }
  .kn-newsletter { background: #333 !important; }
  .kn-newsletter::before { display: none; }
  .kn-trust-bar { animation: none; }
}

/* ═══ NEW COMPONENTS ═══ */

/* Section header with CTA link */
.kn-section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 28px;
}

.kn-section-header.kn-center {
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.kn-section-cta {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--kn-primary);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 8px 16px;
  border-radius: var(--kn-radius-sm);
  border: 1px solid rgba(42,123,111,.2);
  transition: all .2s;
  white-space: nowrap;
}

.kn-section-cta:hover {
  background: var(--kn-primary-pale);
  border-color: var(--kn-primary);
}

/* Newsletter form */
.kn-newsletter-form {
  display: flex;
  max-width: 420px;
  margin: 24px auto 12px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 999px;
  padding: 5px 5px 5px 20px;
  backdrop-filter: blur(8px);
  transition: border-color .2s, box-shadow .2s;
}

.kn-newsletter-form:focus-within {
  border-color: rgba(255,255,255,.35);
  box-shadow: 0 0 0 3px rgba(208,139,58,.2);
}

.kn-newsletter-input {
  flex: 1;
  background: none;
  border: none;
  color: #fff;
  font-size: 14px;
  font-family: var(--kn-font-body);
  outline: none;
}

.kn-newsletter-input::placeholder {
  color: rgba(255,255,255,.35);
}

.kn-newsletter-btn {
  background: var(--kn-accent);
  color: #fff;
  border: none;
  border-radius: 999px;
  padding: 10px 24px;
  font-size: 13.5px;
  font-weight: 600;
  font-family: var(--kn-font-body);
  cursor: pointer;
  transition: background .2s, transform .15s;
}

.kn-newsletter-btn:hover {
  background: var(--kn-accent-light);
  transform: scale(1.03);
}

.kn-newsletter-note {
  display: block;
  text-align: center;
  font-size: 12px;
  color: rgba(255,255,255,.3);
  margin-top: 4px;
}

/* Compat card with thumbnail */
.kn-compat-thumb {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: var(--kn-radius-sm);
  margin-bottom: 12px;
}

.kn-compat-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .3s;
}

.kn-compat-card:hover .kn-compat-thumb img {
  transform: scale(1.05);
}

.kn-compat-arrow {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--kn-primary);
  display: block;
  margin-top: 10px;
  transition: letter-spacing .2s;
}

.kn-compat-card:hover .kn-compat-arrow {
  letter-spacing: .3px;
}

/* Feeding arrow */
.kn-feeding-arrow {
  font-size: 16px;
  color: var(--kn-pebble);
  transition: color .2s, transform .2s;
}

.kn-feeding-item:hover .kn-feeding-arrow {
  color: var(--kn-primary);
  transform: translateX(3px);
}

/* Grid helpers */
.kn-grid {
  display: grid;
  gap: 20px;
}

.kn-grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.kn-grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 768px) {
  .kn-section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .kn-newsletter-form {
    flex-direction: column;
    border-radius: var(--kn-radius);
    padding: 12px;
    gap: 8px;
  }
  .kn-newsletter-input {
    padding: 8px 0;
  }
  .kn-newsletter-btn {
    width: 100%;
  }
}

/* ═══ PILLAR PAGE ENHANCEMENTS ═══ */

.kn-pillar-hero {
  padding: 56px 24px 48px;
  background: var(--silo-pale);
  border-bottom: 3px solid var(--silo-color);
  text-align: center;
}

.kn-pillar-hero-inner {
  max-width: 640px;
  margin: 0 auto;
}

.kn-pillar-title {
  font-family: var(--kn-font-display);
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 700;
  color: var(--kn-char);
  margin-bottom: 10px;
}

.kn-pillar-desc {
  font-size: 15.5px;
  color: var(--kn-slate);
  line-height: 1.65;
  margin-bottom: 16px;
}

.kn-pillar-meta {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  font-size: 13.5px;
  color: var(--kn-stone);
}

.kn-pillar-meta strong {
  color: var(--silo-color);
  font-size: 16px;
}

.kn-pillar-divider {
  color: var(--kn-pebble);
}

/* Empty state for coming-soon silos */
.kn-empty-state {
  padding: 64px 24px;
  text-align: center;
}

.kn-empty-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.kn-empty-state h2 {
  font-family: var(--kn-font-display);
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.kn-empty-state p {
  color: var(--kn-stone);
  font-size: 15px;
  max-width: 400px;
  margin: 0 auto 24px;
}

.kn-btn-outline {
  display: inline-block;
  padding: 10px 24px;
  border: 2px solid;
  border-radius: var(--kn-radius);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: all .2s;
}

.kn-btn-outline:hover {
  opacity: .8;
}

/* Filter pills on pillar pages */
.kn-filter-pills {
  padding: 14px 24px;
  background: #fff;
  border-bottom: 1px solid rgba(168,176,173,.1);
  position: sticky;
  top: 0;
  z-index: 50;
}

.kn-filter-pills-inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.kn-pill {
  padding: 7px 18px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  color: var(--kn-stone);
  background: var(--kn-mist);
  border: 1px solid transparent;
  transition: all .15s;
}

.kn-pill:hover {
  background: var(--kn-primary-pale);
  color: var(--kn-primary);
}

.kn-pill-active {
  background: var(--kn-primary);
  color: #fff;
  border-color: var(--kn-primary);
}

.kn-pill-active:hover {
  background: var(--kn-primary);
  color: #fff;
}