/* styles.css - Reusable Supplement Landing Page Template (Dark Neon Glassmorphism) */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800;900&display=swap');

:root {
  /* Color System */
  --bg-dark: #0b0f17;
  --bg-slate: #131b2e;
  --text-white: #f8fafc;
  --text-slate: #94a3b8;
  --text-muted: #64748b;
  
  --primary-neon: #a855f7; /* Purple */
  --primary-hover: #9333ea;
  --primary-glow: rgba(168, 85, 247, 0.4);
  
  --secondary-neon: #06b6d4; /* Cyan */
  --secondary-glow: rgba(6, 182, 212, 0.4);
  
  --success-neon: #10b981; /* Emerald Green */
  --success-hover: #059669;
  --success-glow: rgba(16, 185, 129, 0.5);
  
  --danger-neon: #ef4444;
  --warning-neon: #f59e0b;
  
  /* Glassmorphism Defaults */
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --glass-blur: blur(16px);
  
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --radius: 16px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-white);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', sans-serif;
  color: var(--text-white);
  font-weight: 700;
  line-height: 1.2;
}

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

/* Background Glowing blobs */
.glow-bg {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.glow-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(130px);
  opacity: 0.15;
  mix-blend-mode: screen;
  animation: float-glow 20s infinite alternate;
}

.blob-1 {
  top: 10%;
  left: 15%;
  width: 450px;
  height: 450px;
  background: var(--primary-neon);
}

.blob-2 {
  top: 40%;
  right: 10%;
  width: 500px;
  height: 500px;
  background: var(--secondary-neon);
  animation-delay: -5s;
}

.blob-3 {
  top: 75%;
  left: 20%;
  width: 400px;
  height: 400px;
  background: var(--primary-neon);
  animation-delay: -10s;
}

@keyframes float-glow {
  0% {
    transform: translate(0, 0) scale(1);
  }
  100% {
    transform: translate(50px, 50px) scale(1.1);
  }
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Glassmorphism Styles */
.glass-panel {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  box-shadow: var(--glass-shadow);
  border-radius: var(--radius);
}

/* Header */
header {
  background: rgba(11, 15, 23, 0.7);
  border-bottom: 1px solid var(--glass-border);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  transition: var(--transition);
}

.nav-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo {
  font-family: 'Outfit', sans-serif;
  font-size: 24px;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-white);
}

.logo span {
  background: linear-gradient(135deg, var(--primary-neon) 0%, var(--secondary-neon) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 32px;
}

.nav-links a {
  color: var(--text-slate);
  font-weight: 500;
  font-size: 15px;
}

.nav-links a:hover {
  color: var(--text-white);
  text-shadow: 0 0 10px rgba(255,255,255,0.3);
}

/* High-Contrast Conversion Buttons */
.btn-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--success-neon) 0%, #059669 100%);
  color: var(--text-white);
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 17px;
  padding: 16px 32px;
  border-radius: 9999px;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 20px var(--success-glow);
  transition: var(--transition);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.btn-cta:hover {
  background: linear-gradient(135deg, #10b981 0%, #047857 100%);
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 6px 28px rgba(16, 185, 129, 0.7);
}

.btn-cta:active {
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  color: var(--text-white);
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  font-size: 16px;
  padding: 14px 28px;
  border-radius: 9999px;
  cursor: pointer;
  transition: var(--transition);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--text-white);
  transform: translateY(-1px);
}

/* Hero Section */
.hero {
  padding: 160px 0 100px 0;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: center;
}

.hero-badge {
  background: rgba(168, 85, 247, 0.1);
  border: 1px solid rgba(168, 85, 247, 0.3);
  color: #d8b4fe;
  padding: 6px 18px;
  border-radius: 9999px;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: inline-block;
  margin-bottom: 24px;
  box-shadow: 0 0 15px rgba(168, 85, 247, 0.1);
}

.hero h1 {
  font-size: 52px;
  font-weight: 900;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero h1 span {
  background: linear-gradient(135deg, var(--secondary-neon) 0%, var(--primary-neon) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 18px;
  color: var(--text-slate);
  margin-bottom: 40px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.hero-trust-badges {
  display: flex;
  gap: 30px;
  align-items: center;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  color: var(--text-slate);
  font-weight: 600;
}

.trust-item svg {
  color: var(--secondary-neon);
  width: 18px;
  height: 18px;
}

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

.product-image-container {
  width: 100%;
  max-width: 320px;
  padding: 30px;
  text-align: center;
  position: relative;
  transition: var(--transition);
  animation: float-visual 6s ease-in-out infinite;
}

.product-image-container::before {
  content: '';
  position: absolute;
  top: 15%;
  left: 15%;
  width: 70%;
  height: 70%;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.15) 0%, transparent 70%);
  filter: blur(20px);
  z-index: -1;
}

.product-image-container img {
  width: 100%;
  height: auto;
  max-height: 380px;
  object-fit: contain;
}

@keyframes float-visual {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-15px); }
  100% { transform: translateY(0px); }
}

/* Sections Global */
section {
  padding: 80px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.03);
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header span {
  color: var(--primary-neon);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  display: block;
  margin-bottom: 12px;
}

.section-header h2 {
  font-size: 38px;
  font-weight: 800;
}

.section-header p {
  color: var(--text-slate);
  font-size: 16px;
  max-width: 700px;
  margin: 16px auto 0 auto;
}

/* Background / What is */
.content-grid-half {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.outline-bullet-list {
  list-style: none;
  margin-top: 24px;
}

.outline-bullet-list li {
  position: relative;
  padding-left: 32px;
  margin-bottom: 16px;
  color: var(--text-slate);
}

.outline-bullet-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 4px;
  width: 20px;
  height: 20px;
  background: rgba(168, 85, 247, 0.1);
  border: 1px solid var(--primary-neon);
  border-radius: 50%;
}

.outline-bullet-list li::after {
  content: '✓';
  position: absolute;
  left: 6px;
  top: 2px;
  color: var(--primary-neon);
  font-size: 12px;
  font-weight: 800;
}

/* Ingredients Grid */
.ingredients-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 30px;
}

.ingredient-card {
  padding: 30px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.ingredient-card:hover {
  transform: translateY(-5px);
  border-color: rgba(6, 182, 212, 0.3);
  box-shadow: 0 10px 25px rgba(6, 182, 212, 0.05);
}

.ing-icon {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.2);
  color: var(--secondary-neon);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 20px;
}

.ingredient-card h3 {
  font-size: 20px;
  margin-bottom: 12px;
}

.ingredient-card p {
  font-size: 14.5px;
  color: var(--text-slate);
  margin-bottom: 16px;
}

.ing-science {
  background: rgba(255, 255, 255, 0.02);
  border-top: 1px dashed var(--glass-border);
  padding-top: 16px;
  font-size: 13.5px;
  color: #cbd5e1;
}

.ing-science strong {
  color: var(--secondary-neon);
}

/* Mechanism section */
.mechanism-box {
  padding: 40px;
  margin-top: 30px;
}

.mechanism-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.mech-step {
  position: relative;
  padding: 24px;
}

.mech-step-num {
  font-size: 48px;
  font-weight: 900;
  font-family: 'Outfit';
  color: rgba(255, 255, 255, 0.03);
  position: absolute;
  top: 10px;
  right: 20px;
}

.mech-step h4 {
  font-size: 18px;
  margin-bottom: 10px;
  position: relative;
  z-index: 2;
}

.mech-step p {
  font-size: 14px;
  color: var(--text-slate);
  position: relative;
  z-index: 2;
}

/* Advantages & Testimonials */
.advantages-box {
  padding: 40px;
  margin-bottom: 40px;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  margin-top: 40px;
}

.testimonial-card {
  padding: 24px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
}

.test-rating {
  color: var(--warning-neon);
  margin-bottom: 12px;
}

.test-text {
  font-size: 14.5px;
  font-style: italic;
  color: var(--text-slate);
  margin-bottom: 20px;
}

.test-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.test-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-slate);
  border: 1px solid var(--primary-neon);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
}

/* Side Effects alert */
.alert-box {
  border-left: 4px solid var(--warning-neon);
  background: rgba(245, 158, 11, 0.03);
  padding: 24px;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin-top: 30px;
}

.alert-box h4 {
  color: var(--warning-neon);
  margin-bottom: 8px;
}

/* Usage Box */
.usage-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.usage-indicator {
  padding: 30px;
  text-align: center;
}

.usage-time {
  font-size: 24px;
  font-weight: 800;
  color: var(--secondary-neon);
  margin-bottom: 16px;
}

/* Pricing Grid */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.price-card {
  padding: 40px 30px;
  text-align: center;
  position: relative;
  transition: var(--transition);
}

.price-card:hover {
  transform: translateY(-8px);
}

.price-card.popular {
  border-color: var(--primary-neon);
  box-shadow: 0 10px 30px rgba(168, 85, 247, 0.1);
}

.popular-tag {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--primary-neon) 0%, var(--secondary-neon) 100%);
  color: white;
  font-size: 11px;
  font-weight: 800;
  padding: 6px 16px;
  border-radius: 9999px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.price-bottles {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 6px;
}

.price-title {
  font-size: 14px;
  color: var(--text-slate);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 24px;
}

.price-num {
  font-size: 54px;
  font-family: 'Outfit';
  font-weight: 900;
  color: var(--text-white);
  line-height: 1;
  margin-bottom: 4px;
}

.price-num span {
  font-size: 16px;
  font-weight: 500;
  color: var(--text-slate);
}

.price-discount {
  background: rgba(16, 185, 129, 0.1);
  color: var(--success-neon);
  font-size: 12.5px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 9999px;
  display: inline-block;
  margin-bottom: 20px;
}

.price-features {
  list-style: none;
  margin: 24px 0;
  border-top: 1px solid var(--glass-border);
  padding-top: 24px;
  text-align: left;
}

.price-features li {
  margin-bottom: 12px;
  font-size: 14px;
  color: var(--text-slate);
  display: flex;
  align-items: center;
  gap: 10px;
}

.price-features li svg {
  color: var(--success-neon);
  flex-shrink: 0;
  width: 16px;
  height: 16px;
}

/* Money-Back Guarantee Section */
.guarantee-box {
  padding: 50px;
  margin-top: 50px;
}

.guarantee-grid {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 40px;
  align-items: center;
}

.guarantee-badge-container {
  display: flex;
  justify-content: center;
  align-items: center;
}

.satisfaction-badge {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.1) 0%, transparent 70%);
  border: 4px dashed var(--primary-neon);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  box-shadow: 0 0 30px rgba(168, 85, 247, 0.2);
  animation: slow-rotate 25s linear infinite;
}

.satisfaction-badge span {
  font-family: 'Outfit';
  font-size: 16px;
  font-weight: 800;
  color: var(--text-white);
  line-height: 1.1;
  text-transform: uppercase;
}

.satisfaction-badge strong {
  font-family: 'Outfit';
  font-size: 32px;
  font-weight: 900;
  color: var(--secondary-neon);
}

@keyframes slow-rotate {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.guarantee-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-top: 24px;
}

.g-step {
  padding: 16px;
  background: rgba(255,255,255,0.02);
  border: 1px dashed var(--glass-border);
  border-radius: 8px;
  font-size: 13.5px;
  color: var(--text-slate);
}

.g-step strong {
  color: var(--text-white);
}

/* FAQ Accordion */
.faq-accordion {
  max-width: 800px;
  margin: 40px auto 0 auto;
}

.faq-item {
  margin-bottom: 16px;
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}

.faq-question {
  width: 100%;
  padding: 24px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  text-align: left;
  font-family: 'Outfit', sans-serif;
  font-size: 18px;
  font-weight: 600;
  color: var(--text-white);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
}

.faq-question:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(168, 85, 247, 0.2);
}

.faq-question::after {
  content: '+';
  font-size: 22px;
  color: var(--primary-neon);
  font-weight: 500;
  transition: var(--transition);
}

.faq-item.active .faq-question {
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
  border-color: rgba(168, 85, 247, 0.3);
  background: rgba(168, 85, 247, 0.03);
}

.faq-item.active .faq-question::after {
  content: '-';
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  background: rgba(11, 15, 23, 0.3);
  border: 1px solid var(--glass-border);
  border-top: none;
  border-bottom-left-radius: var(--radius);
  border-bottom-right-radius: var(--radius);
  transition: max-height 0.3s ease-out;
}

.faq-answer-inner {
  padding: 24px;
  font-size: 15px;
  color: var(--text-slate);
}

/* Conclusion Box */
.conclusion-box {
  padding: 50px;
  position: relative;
}

.signature-block {
  margin-top: 30px;
  display: flex;
  align-items: center;
  gap: 20px;
  border-top: 1px dashed var(--glass-border);
  padding-top: 24px;
}

.signature-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-neon) 0%, var(--secondary-neon) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Outfit';
  font-weight: 800;
  font-size: 18px;
}

.signature-info strong {
  display: block;
  font-size: 16px;
}

.signature-info span {
  font-size: 13.5px;
  color: var(--text-slate);
}

/* Footer */
footer {
  background-color: rgba(11, 15, 23, 0.9);
  color: var(--text-slate);
  padding: 50px 0 30px 0;
  font-size: 13px;
  border-top: 1px solid var(--glass-border);
}

.footer-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.footer-content p {
  margin-bottom: 16px;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 24px;
}

.footer-links a {
  color: var(--text-slate);
}

.footer-links a:hover {
  color: var(--text-white);
}

/* Media Queries */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }
  
  .hero-actions, .hero-trust-badges {
    justify-content: center;
  }
  
  .content-grid-half {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .usage-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .hero h1 {
    font-size: 40px;
  }
}

@media (max-width: 768px) {
  .nav-bar {
    flex-direction: column;
    height: auto;
    padding: 16px 0;
    gap: 12px;
  }
  
  .nav-links {
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .hero {
    padding: 180px 0 60px 0;
  }
  
  .guarantee-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .guarantee-badge-container {
    margin-bottom: 10px;
  }
  
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
}