/* ==========================================================================
   BloodPril® Official Web Experience & Cardiovascular Hub (eng-blood-pril.com)
   Design System: Endothelial Vitality & Clinical Hemodynamics
   Type: 'Plus Jakarta Sans' (Display/Headings) + 'Inter' (Body & Interface)
   ========================================================================== */

:root {
  /* Brand Palettes */
  --crimson-950: #450A0A;
  --crimson-900: #7F1D1D;
  --crimson-800: #991B1B;
  --crimson-700: #B91C1C;
  --crimson-600: #DC2626;
  --crimson-500: #EF4444;
  --crimson-glow: rgba(220, 38, 38, 0.25);
  
  --navy-950: #070B14;
  --navy-900: #0F172A;
  --navy-850: #141E34;
  --navy-800: #1E293B;
  --navy-700: #334155;
  
  --emerald: #10B981;
  --emerald-dark: #059669;
  --emerald-glow: rgba(16, 185, 129, 0.2);
  
  --gold: #F59E0B;
  --gold-light: #FCD34D;
  
  /* Neutrals & Surfaces */
  --white: #FFFFFF;
  --bg-slate: #F8FAFC;
  --bg-pearl: #F1F5F9;
  --surface: #FFFFFF;
  
  --text-main: #0F172A;
  --text-body: #334155;
  --text-muted: #64748B;
  --text-light: #94A3B8;
  --text-inverse: #FFFFFF;
  
  --border-light: rgba(15, 23, 42, 0.08);
  --border-card: rgba(15, 23, 42, 0.12);
  --border-dark: rgba(255, 255, 255, 0.12);
  
  /* Typography */
  --font-display: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Gradients */
  --grad-hero: radial-gradient(circle at 80% 20%, rgba(185, 28, 28, 0.22) 0%, transparent 45%),
               radial-gradient(circle at 15% 85%, rgba(16, 185, 129, 0.1) 0%, transparent 40%),
               linear-gradient(165deg, #070B14 0%, #0F172A 50%, #1E293B 100%);
  --grad-cta: linear-gradient(135deg, #B91C1C 0%, #DC2626 50%, #EF4444 100%);
  --grad-cta-hover: linear-gradient(135deg, #991B1B 0%, #B91C1C 50%, #DC2626 100%);
  --grad-emerald: linear-gradient(135deg, #10B981 0%, #059669 100%);
  
  /* Elevations & Shadows */
  --shadow-subtle: 0 2px 8px rgba(15, 23, 42, 0.04);
  --shadow-sm: 0 4px 14px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 10px 30px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 20px 45px rgba(15, 23, 42, 0.12);
  --shadow-glow: 0 12px 35px rgba(220, 38, 38, 0.35);
  
  /* Layout */
  --max-w: 1220px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-pill: 9999px;
  --transition: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Base & Resets */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-body);
  color: var(--text-body);
  background-color: var(--white);
  line-height: 1.65;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

ul, ol {
  list-style: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
}

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--text-main);
  font-weight: 800;
  line-height: 1.2;
}

h1 {
  font-size: clamp(2.2rem, 4.4vw, 3.4rem);
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(1.8rem, 3.2vw, 2.3rem);
  letter-spacing: -0.025em;
  margin-bottom: 0.8rem;
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  letter-spacing: -0.015em;
}

h4 {
  font-size: 1.1rem;
  font-weight: 700;
}

p {
  margin-bottom: 1rem;
}
p:last-child { margin-bottom: 0; }

section {
  padding: 5rem 0;
  position: relative;
}

.section-head {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3.5rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--crimson-700);
  background: rgba(185, 28, 28, 0.08);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-pill);
  margin-bottom: 1rem;
  border: 1px solid rgba(185, 28, 28, 0.2);
}

.eyebrow.emerald {
  color: var(--emerald-dark);
  background: rgba(16, 185, 129, 0.1);
  border-color: rgba(16, 185, 129, 0.25);
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.bg-slate { background-color: var(--bg-slate); }
.bg-pearl { background-color: var(--bg-pearl); }
.bg-dark {
  background: var(--navy-950);
  color: var(--text-inverse);
}
.bg-dark h1, .bg-dark h2, .bg-dark h3, .bg-dark h4 { color: var(--text-inverse); }
.bg-dark .section-desc { color: var(--text-light); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.9rem 1.8rem;
  font-family: var(--font-display);
  font-size: 0.98rem;
  font-weight: 700;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background: var(--grad-cta);
  color: var(--white);
  box-shadow: 0 4px 15px rgba(220, 38, 38, 0.3);
}

.btn-primary:hover {
  background: var(--grad-cta-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.btn-outline {
  background: transparent;
  color: var(--navy-900);
  border: 2px solid var(--navy-800);
}

.btn-outline:hover {
  background: var(--navy-900);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-outline-white {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255, 255, 255, 0.35);
}

.btn-outline-white:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--white);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 1.15rem 2.2rem;
  font-size: 1.06rem;
}

.btn-sm {
  padding: 0.55rem 1.15rem;
  font-size: 0.85rem;
}

/* Header & Nav */
.top-notice-bar {
  background: linear-gradient(90deg, #7F1D1D 0%, #B91C1C 50%, #991B1B 100%);
  color: var(--white);
  font-size: 0.82rem;
  font-weight: 700;
  padding: 0.55rem 1rem;
  text-align: center;
}

.top-notice-bar span {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin: 0 0.8rem;
}

.trust-verification-strip {
  background: var(--navy-950);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.76rem;
  padding: 0.45rem 1rem;
  text-align: center;
}

.trust-verification-strip strong { color: var(--gold-light); }

.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-light);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 0;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--navy-900);
  letter-spacing: -0.03em;
}

.brand-logo .logo-drop {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--grad-cta);
  border-radius: 50% 50% 50% 0;
  transform: rotate(-45deg);
  color: #fff;
  font-size: 1rem;
}

.brand-logo .logo-drop span {
  transform: rotate(45deg);
}

.brand-logo em {
  font-style: normal;
  color: var(--crimson-700);
}

.brand-logo sup {
  font-size: 0.55em;
  font-weight: 800;
  color: var(--emerald-dark);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.8rem;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-main);
  position: relative;
  padding: 0.3rem 0;
}

.nav-link:hover, .nav-link.active {
  color: var(--crimson-700);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--crimson-700);
  transition: var(--transition);
}

.nav-link:hover::after, .nav-link.active::after { width: 100%; }

.mobile-toggle {
  display: none;
  background: transparent;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--navy-900);
}

/* Hero Section */
.hero {
  background: var(--grad-hero);
  color: var(--white);
  padding: 4.5rem 0 5rem;
  position: relative;
  overflow: hidden;
}

.hero-pulse-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.3;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.95fr;
  gap: 3.5rem;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(220, 38, 38, 0.15);
  border: 1px solid rgba(220, 38, 38, 0.4);
  color: #FCA5A5;
  padding: 0.45rem 1.15rem;
  border-radius: var(--radius-pill);
  font-size: 0.84rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.hero-badge-pill .pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--crimson-500);
  box-shadow: 0 0 10px var(--crimson-500);
  animation: pulseDot 1.8s infinite ease-in-out;
}

@keyframes pulseDot {
  0%, 100% { opacity: 0.5; transform: scale(0.9); }
  50% { opacity: 1; transform: scale(1.3); }
}

.hero h1 {
  color: var(--white);
  margin-bottom: 1.2rem;
  line-height: 1.15;
}

.hero h1 .highlight {
  background: linear-gradient(135deg, #FCA5A5 0%, #EF4444 50%, #B91C1C 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.12rem;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.65;
  margin-bottom: 1.8rem;
}

/* Executive Box */
.executive-summary-card {
  background: rgba(255, 255, 255, 0.07);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(220, 38, 38, 0.45);
  border-left: 5px solid var(--crimson-600);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.8rem;
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.92);
}

.executive-summary-card strong {
  color: var(--gold-light);
}

.hero-feature-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.feature-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.9);
}

.feature-pill svg { color: var(--emerald); }

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.hero-social-proof {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.rating-stars {
  display: flex;
  color: #F59E0B;
  gap: 2px;
}

.hero-visual-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-glow-orb {
  position: absolute;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(220, 38, 38, 0.3) 0%, rgba(15, 23, 42, 0) 70%);
  filter: blur(40px);
  z-index: 1;
}

.hero-bottles-img {
  position: relative;
  z-index: 2;
  max-width: 90%;
  filter: drop-shadow(0 25px 35px rgba(0, 0, 0, 0.6));
  animation: floatBottle 6s ease-in-out infinite;
}

@keyframes floatBottle {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* Floating Badges */
.hero-glass-badge {
  position: absolute;
  z-index: 3;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-md);
  padding: 0.75rem 1.1rem;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  gap: 0.8rem;
  animation: floatBadge 5s ease-in-out infinite alternate;
}

.hero-glass-badge.pos-top-left { top: 10%; left: -5%; }
.hero-glass-badge.pos-bottom-right { bottom: 8%; right: -5%; animation-delay: -2.5s; }
.hero-glass-badge.pos-mid-left { bottom: 25%; left: -10%; animation-delay: -1.2s; }

.badge-icon-box {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
}

.badge-icon-box.crimson {
  background: rgba(220, 38, 38, 0.2);
  color: #FCA5A5;
  border: 1px solid rgba(220, 38, 38, 0.4);
}

.badge-icon-box.emerald {
  background: rgba(16, 185, 129, 0.2);
  color: #6EE7B7;
  border: 1px solid rgba(16, 185, 129, 0.4);
}

.badge-text-box strong {
  display: block;
  font-size: 0.95rem;
  font-family: var(--font-display);
  color: var(--white);
}

.badge-text-box span {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.7);
}

@keyframes floatBadge {
  0% { transform: translateY(0); }
  100% { transform: translateY(-8px); }
}

/* Trust Bar */
.trust-bar-section {
  background: var(--white);
  border-bottom: 1px solid var(--border-light);
  padding: 2.2rem 0;
}

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

.trust-badge-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.8rem 1rem;
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.trust-badge-item:hover {
  background: var(--bg-slate);
  transform: translateY(-2px);
}

.trust-badge-item img {
  width: 52px;
  height: 52px;
  object-fit: contain;
}

.trust-badge-item strong {
  display: block;
  font-family: var(--font-display);
  font-size: 0.96rem;
  color: var(--navy-900);
}

.trust-badge-item span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Interactive BP Category Calculator Widget */
.bp-calc-card {
  background: var(--white);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  padding: 3rem;
  box-shadow: var(--shadow-md);
  margin-top: 2rem;
}

.bp-calc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.bp-input-group {
  margin-bottom: 1.5rem;
}

.bp-input-group label {
  display: block;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--navy-900);
  margin-bottom: 0.5rem;
}

.bp-input-group input {
  width: 100%;
  padding: 1rem 1.2rem;
  border: 2px solid var(--border-light);
  border-radius: var(--radius-sm);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--navy-900);
  transition: var(--transition);
}

.bp-input-group input:focus {
  border-color: var(--crimson-600);
  box-shadow: 0 0 0 4px var(--crimson-glow);
}

.bp-result-display {
  background: var(--bg-slate);
  border: 2px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2.2rem;
  text-align: center;
}

.bp-stage-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  padding: 0.5rem 1.4rem;
  border-radius: var(--radius-pill);
  margin-bottom: 1rem;
}

.bp-stage-tag.normal { background: #ECFDF5; color: var(--emerald-dark); border: 1.5px solid var(--emerald); }
.bp-stage-tag.elevated { background: #FFFBEB; color: #D97706; border: 1.5px solid #F59E0B; }
.bp-stage-tag.stage1 { background: #FEF2F2; color: #DC2626; border: 1.5px solid #EF4444; }
.bp-stage-tag.stage2 { background: #450A0A; color: #FCA5A5; border: 1.5px solid #B91C1C; }

/* 3 Ingredients Explorer */
.ing-tabs-wrap {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.ing-tab-btn {
  background: var(--white);
  border: 1.5px solid var(--border-card);
  padding: 0.85rem 1.8rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--navy-900);
  cursor: pointer;
  transition: var(--transition);
}

.ing-tab-btn:hover {
  border-color: var(--crimson-600);
  color: var(--crimson-700);
}

.ing-tab-btn.active {
  background: var(--navy-900);
  color: var(--white);
  border-color: var(--navy-900);
  box-shadow: var(--shadow-sm);
}

.ing-detail-card {
  display: none;
  background: var(--white);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  padding: 3rem;
  box-shadow: var(--shadow-md);
}

.ing-detail-card.active {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3rem;
  align-items: center;
  animation: fadeIn 0.35s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Pricing Grid */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  align-items: stretch;
  margin-top: 2rem;
}

.pricing-card {
  background: var(--white);
  border: 2px solid var(--border-card);
  border-radius: var(--radius-xl);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition);
  box-shadow: var(--shadow-subtle);
}

.pricing-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.pricing-card.featured {
  border-color: var(--crimson-600);
  background: linear-gradient(180deg, #FFFFFF 0%, #FFFDFD 100%);
  box-shadow: var(--shadow-md);
  transform: scale(1.03);
}

.pricing-card.featured:hover { transform: scale(1.03) translateY(-6px); }

.pricing-ribbon {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--grad-cta);
  color: var(--white);
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.35rem 1.4rem;
  border-radius: var(--radius-pill);
  box-shadow: 0 4px 12px rgba(220, 38, 38, 0.4);
  white-space: nowrap;
}

.pricing-bottle-box {
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.pricing-bottle-box img {
  max-height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 10px 15px rgba(0, 0, 0, 0.12));
}

.price-big {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--navy-900);
  line-height: 1;
}

.price-big span {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-muted);
}

.pricing-perk-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.9rem;
  margin-bottom: 0.8rem;
}

.pricing-perk-item svg {
  color: var(--crimson-600);
  flex-shrink: 0;
  margin-top: 3px;
}

/* Reviews & Testimonials */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.8rem;
}

.review-card {
  background: var(--white);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-subtle);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.review-card:hover {
  transform: translateY(-4px);
  border-color: var(--crimson-600);
  box-shadow: var(--shadow-md);
}

.reviewer-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.reviewer-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
}

/* FAQ Accordion */
.faq-item {
  background: var(--white);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item.active {
  border-color: var(--crimson-600);
  box-shadow: var(--shadow-sm);
}

.faq-question-btn {
  width: 100%;
  padding: 1.4rem 1.6rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: transparent;
  text-align: left;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--navy-900);
}

.faq-answer-pane {
  display: none;
  padding: 0 1.6rem 1.5rem;
  font-size: 0.95rem;
  line-height: 1.7;
}

.faq-item.active .faq-answer-pane { display: block; }

/* Sticky Order Bar */
.sticky-order-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(15, 23, 42, 0.97);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 0.85rem 1.5rem;
  z-index: 99;
  transform: translateY(100%);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.sticky-order-bar.visible { transform: translateY(0); }

.sticky-bar-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

/* Subpage & Blog Layouts */
.page-hero {
  background: var(--grad-hero);
  color: var(--white);
  padding: 4.5rem 0 3.5rem;
  text-align: center;
}

.page-hero h1 {
  color: var(--white);
  max-width: 820px;
  margin: 0 auto 1rem;
}

.breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 1.5rem;
}

.breadcrumb a { color: #FCA5A5; }

.article-container {
  max-width: 880px;
  margin: 0 auto;
  padding: 4rem 1.5rem;
}

.author-byline {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-size: 0.88rem;
  color: var(--text-muted);
  padding-bottom: 1.5rem;
  margin-bottom: 2.5rem;
  border-bottom: 1px solid var(--border-light);
}

.author-byline strong { color: var(--navy-900); }

.article-body {
  font-size: 1.08rem;
  line-height: 1.8;
  color: var(--text-body);
}

.article-body h2 {
  font-size: 1.85rem;
  color: var(--navy-900);
  margin: 2.8rem 0 1rem;
  letter-spacing: -0.02em;
}

.article-body h3 {
  font-size: 1.35rem;
  color: var(--navy-900);
  margin: 2rem 0 0.8rem;
}

.article-body p { margin-bottom: 1.5rem; }
.article-body ul, .article-body ol { margin: 0 0 1.5rem 1.5rem; }
.article-body li { margin-bottom: 0.6rem; list-style-type: disc; }

.callout-box {
  background: var(--bg-slate);
  border-left: 4px solid var(--crimson-600);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 1.5rem 1.8rem;
  margin: 2rem 0;
}

.callout-box.warning { border-left-color: #F59E0B; background: #FFFBEB; }
.callout-box.success { border-left-color: var(--emerald); background: #ECFDF5; }
.callout-box.info { border-left-color: #2563EB; background: #EFF6FF; }

.article-cta-box {
  background: linear-gradient(135deg, var(--navy-950) 0%, var(--navy-850) 100%);
  color: var(--white);
  border-radius: var(--radius-xl);
  padding: 3rem 2.5rem;
  margin: 3.5rem 0;
  text-align: center;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.article-cta-box h3 { color: var(--white); font-size: 1.8rem; margin-bottom: 0.8rem; }
.article-cta-box p { color: rgba(255, 255, 255, 0.8); max-width: 600px; margin: 0 auto 1.8rem; }

/* Blog Grid */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.blog-card {
  background: var(--white);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-subtle);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  transform: translateY(-4px);
  border-color: var(--crimson-600);
  box-shadow: var(--shadow-md);
}

.blog-card-body {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.blog-card-category {
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--crimson-700);
  letter-spacing: 0.08em;
  margin-bottom: 0.6rem;
}

.blog-card h3 {
  font-size: 1.25rem;
  color: var(--navy-900);
  margin-bottom: 0.8rem;
  line-height: 1.35;
}

.blog-card p {
  font-size: 0.92rem;
  color: var(--text-body);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.blog-read-link {
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--crimson-700);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.blog-read-link:hover { color: var(--crimson-600); gap: 0.55rem; }

/* Footer */
.site-footer {
  background: var(--navy-950);
  color: rgba(255, 255, 255, 0.7);
  padding: 5rem 0 2.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-col h4 {
  color: var(--white);
  font-size: 1rem;
  margin-bottom: 1.2rem;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-col a:hover { color: #FCA5A5; padding-left: 4px; }

.footer-disclaimer-box {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.6;
  margin-bottom: 2rem;
}

.footer-bottom-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.82rem;
}

.footer-legal-links { display: flex; gap: 1.5rem; }

/* Responsive */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-badge-pill, .hero-feature-pills, .hero-actions, .hero-social-proof { justify-content: center; }
  .hero-glass-badge { display: none; }
  .pricing-grid, .reviews-grid, .blog-grid { grid-template-columns: 1fr; max-width: 500px; margin: 0 auto; }
  .trust-badges-grid { grid-template-columns: repeat(2, 1fr); }
  .bp-calc-grid, .ing-detail-card.active { grid-template-columns: 1fr; }
  .footer-top-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-menu { display: none; }
  .mobile-toggle { display: block; }
  .nav-menu.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    padding: 1.5rem;
    box-shadow: var(--shadow-lg);
    border-bottom: 1px solid var(--border-light);
  }
  .trust-badges-grid { grid-template-columns: 1fr; }
  .footer-top-grid { grid-template-columns: 1fr; }
  .footer-bottom-bar { flex-direction: column; gap: 1rem; text-align: center; }
  .sticky-bar-inner { flex-direction: column; text-align: center; gap: 0.8rem; }
}