/* ==========================================================================
   RED BOOST - ADVANCED STYLESHEET (MOBILE & DESKTOP RESPONSIVE)
   Theme: Crimson Vitality, Gold Guarantee & Action Green
   Font: Poppins / Oswald
   ========================================================================== */

/* ===== GLOBAL RESETS ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* === BRAND COLORS FOR RED BOOST === */
  --brand-primary:   #9E0B0F; /* Deep Crimson Red */
  --brand-secondary: #D31117; /* Vivid Red for Hovers & Highlights */
  --brand-accent:    #259B00; /* High-Converting Action Green (Matches Pricing Image) */
  --brand-orange:    #F6931D; /* Ribbon Orange ("Most Popular" / "Best Deal") */
  --brand-yellow:    #FFC107; /* Gold Accent */
  --brand-green:     #259B00; /* Cart Button Green */

  /* Backgrounds & Text */
  --bg-main:         #FFFFFF; /* Clean White Background */
  --bg-light:        #FDF6F6; /* Soft Warm Rose-Tinted Cream (Matches Pricing Image BG) */
  --bg-dark:         #18090A; /* Deep Charcoal-Crimson for Footer */
  --card-bg:         #FFFFFF; /* White for Cards */
  --text-main:       #1E1E1E; /* Crisp Charcoal for Main Readability */
  --text-muted:      #5A5A5A; /* Balanced Gray for Subtitles */
  --text-dark:       #FFFFFF; /* White Text for Buttons/Badges */
  --border-color:    #E2D6D6; /* Subtle Warm Gray Border */

  /* Shadows */
  --shadow-sm:       0 2px 8px rgba(158, 11, 15, 0.06);
  --shadow-md:       0 6px 22px rgba(158, 11, 15, 0.10);
  --shadow-lg:       0 14px 38px rgba(158, 11, 15, 0.16);

  /* === OPTIMIZED TYPOGRAPHY SCALES === */
  --f-xs:    0.95rem;
  --f-sm:    1.10rem;
  --f-body:  1.15rem;
  --f-md:    1.35rem;
  --f-lg:    1.55rem;
  --f-xl:    2.0rem;
  --f-2xl:   2.45rem;
  --f-3xl:   3.1rem;
  --lh-body: 1.78;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Poppins', sans-serif;
  font-size: var(--f-body);
  line-height: var(--lh-body);
  color: var(--text-main);
  background: var(--bg-main);
  overflow-x: hidden;
}

/* Typography Basics */
h1 { font-family: 'Oswald', sans-serif; font-size: var(--f-3xl); font-weight: 700; line-height: 1.18; text-transform: uppercase; }
h2 { font-size: var(--f-2xl); font-weight: 800; line-height: 1.25; }
h3 { font-size: var(--f-xl);  font-weight: 700; line-height: 1.3; }
h4 { font-size: var(--f-lg);  font-weight: 700; line-height: 1.35; }
p, li { font-size: var(--f-body); line-height: var(--lh-body); margin-bottom: 18px; text-align: left; }
a { text-decoration: none; color: var(--brand-primary); }
strong { font-weight: 700; color: var(--brand-primary); }

/* ===== UTILITIES ===== */
.section     { padding: 75px 24px; }
.bg-light    { background: var(--bg-light); }
.brand-title { color: var(--brand-primary); }
.sec-title   { text-align: center; font-size: var(--f-2xl); font-weight: 900; color: var(--text-main); margin-bottom: 15px; }
.sec-sub     { text-align: center; font-size: var(--f-md); color: var(--text-muted); margin-bottom: 45px; max-width: 900px; margin-left: auto; margin-right: auto; }
.wrap        { padding: 0 15px; }

/* ===== GENERAL CTA BUTTONS ===== */
.btn-cta {
  display: inline-block;
  background: var(--brand-accent);
  color: var(--text-dark) !important;
  padding: 18px 42px;
  border-radius: 6px;
  font-weight: 800;
  font-size: var(--f-md);
  margin-top: 20px;
  box-shadow: 0 6px 20px rgba(37, 155, 0, 0.3);
  transition: all 0.25s ease;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.8px;
}
.btn-cta:hover {
  background: #1e8200;
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(37, 155, 0, 0.42);
}
.btn-cta-xl {
  font-size: 1.35rem;
  padding: 18px 48px;
}

/* ===== NAVIGATION BAR ===== */
nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 1000;
  background: var(--bg-main);
  box-shadow: 0 2px 10px rgba(0,0,0,0.08);
  border-bottom: 1px solid var(--border-color);
}
.nav-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  height: 72px; padding: 0 24px;
}
.nav-logo {
  font-size: 2rem;
  font-weight: 900;
  color: var(--brand-primary);
  letter-spacing: 1px;
}
.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
  margin: 0;
}
.nav-links a { color: var(--text-main); font-weight: 700; font-size: 1rem; transition: color .2s; }
.nav-links a:hover { color: var(--brand-primary); }
.btn-nav {
  background: var(--brand-primary);
  color: var(--text-dark) !important;
  padding: 11px 26px;
  border-radius: 6px;
  font-weight: 800;
  font-size: 1rem;
  transition: all .2s;
}
.btn-nav:hover { background: var(--brand-secondary); }
.hamburger { display: none; flex-direction: column; gap: 6px; background: none; border: none; cursor: pointer; padding: 5px; }
.hamburger span { display: block; width: 30px; height: 3px; background: var(--brand-primary); border-radius: 2px; }
.mob-menu { display: none; flex-direction: column; gap: 16px; padding: 20px 24px; background: var(--bg-main); border-top: 1px solid var(--border-color); }
.mob-menu.open { display: flex; }
.mob-menu a { color: var(--text-main); font-weight: 700; font-size: var(--f-md); }

/* ===== HERO SECTION ===== */
.hero {
  padding: 75px 24px;
  background: linear-gradient(135deg, #ffffff 0%, #faebeb 100%);
  border-bottom: 1px solid var(--border-color);
}
.hero-grid {
  max-width: 1150px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1.25fr;
  gap: 50px; align-items: center;
}
.eyebrow-tag {
  display: inline-block;
  background: var(--brand-primary);
  color: #ffffff;
  font-weight: 800;
  font-size: 0.9rem;
  padding: 5px 14px;
  border-radius: 4px;
  letter-spacing: 1px;
  margin-bottom: 12px;
}
.hero-content h1 { color: var(--text-main); margin-bottom: 18px; letter-spacing: -0.5px; }
.hero-content h1 span { color: var(--brand-primary); }
.hero-content p { color: var(--text-muted); margin-bottom: 20px; font-size: 1.25rem; font-weight: 500; }
.hero-img img { width: 100%; max-width: 440px; margin: 0 auto; display: block; filter: drop-shadow(0px 15px 30px rgba(158, 11, 15, 0.16)); }
.trust-stars { margin-bottom: 15px; }
.hero-divider { border: none; border-top: 2px solid var(--border-color); margin: 22px 0; }
.sale-price { font-size: var(--f-xl); font-weight: 900; color: var(--brand-primary); margin: 6px 0; }
.hurry-badge {
  display: inline-block;
  background: #FFF3E0;
  color: #C65102;
  padding: 8px 18px;
  font-size: 1rem;
  font-weight: 800;
  border-radius: 5px;
  margin: 8px 0 10px;
  border: 1px solid #FFCC80;
}

/* ===== TWO COLUMNS (ABOUT & SYNERGY) ===== */
.two-col { max-width: 1150px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1.3fr; gap: 50px; align-items: center; }
.two-col img { width: 100%; border-radius: 14px; box-shadow: var(--shadow-md); border: 2px solid var(--border-color); }
.two-col h2 { color: var(--brand-primary); margin-bottom: 22px; }

/* ===== INGREDIENTS LIST ===== */
.ing-list { max-width: 980px; margin: 0 auto; list-style: none; }
.ing-item {
  display: grid;
  grid-template-columns: 115px 1fr;
  gap: 24px;
  align-items: center;
  position: relative;
  padding: 26px 30px 26px 80px;
  margin-bottom: 22px;
  background: var(--card-bg);
  border: 2px solid var(--border-color);
  border-radius: 12px;
  transition: all .3s;
}
.ing-item:hover { box-shadow: var(--shadow-md); border-color: var(--brand-primary); }
.ing-num {
  width: 52px; height: 52px;
  background: var(--brand-primary);
  color: var(--text-dark);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: var(--f-lg); font-weight: 900;
  position: absolute; left: -15px; top: -15px;
  box-shadow: var(--shadow-sm);
}
.ing-img { width: 115px; height: 115px; object-fit: cover; border-radius: 12px; border: 2px solid var(--border-color); }
.ing-content h4 { color: var(--brand-primary); margin-bottom: 10px; font-size: 1.55rem; }
.ing-content p { margin-bottom: 0; }

/* ===== BENEFITS BADGES (8 ITEMS) ===== */
.badges-grid {
  max-width: 1150px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px;
}
.badge-card {
  text-align: center;
  padding: 28px 18px;
  border: 2px solid var(--border-color);
  border-radius: 12px;
  background: var(--card-bg);
  transition: all .3s;
}
.badge-card:hover { border-color: var(--brand-primary); box-shadow: var(--shadow-md); transform: translateY(-4px); }
.badge-card h4 { color: var(--brand-primary); margin-bottom: 10px; font-size: 1.25rem; }
.badge-card p { font-size: 1rem; text-align: center; color: var(--text-muted); margin-bottom: 0; }

/* ===== SUPPLEMENT FACTS LABEL BOX ===== */
.label-box {
  background: var(--card-bg);
  padding: 28px;
  border-radius: 14px;
  border: 2px solid var(--border-color);
  box-shadow: var(--shadow-md);
}
.label-box img {
  width: 100%;
  max-width: 650px;
  height: auto;
  display: block;
  margin: 0 auto;
}

/* ==========================================================================
   PRICING SECTION (EXACT REPLICA OF ATTACHED RED BOOST PHOTO)
   ========================================================================== */
.pricing-section-bg {
  background: #FAF0F0; /* Soft warm blush background matching screenshot */
  padding: 70px 20px 80px;
}
.pricing-header {
  text-align: center;
  margin-bottom: 50px;
}
.pricing-header h2 {
  font-size: 2.5rem;
  font-weight: 800;
  color: #000000;
  margin-bottom: 8px;
}
.pricing-header p {
  text-align: center;
  font-size: 1.2rem;
  color: #222222;
  font-weight: 500;
  max-width: 720px;
  margin: 0 auto;
}

.rb-pricing-grid {
  max-width: 1080px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}

/* Base Card (1 Bottle & 3 Bottles) */
.rb-card {
  background: #F7F7F7;
  border: 1px solid #CCCCCC;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  padding-bottom: 22px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.06);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.rb-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.14);
}

/* Top Ribbon ("Most Popular" / "Best Deal") */
.rb-top-ribbon {
  position: absolute;
  top: -17px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--brand-orange);
  color: #FFFFFF;
  font-weight: 700;
  font-size: 1.05rem;
  padding: 4px 28px;
  clip-path: polygon(8% 0%, 92% 0%, 100% 50%, 92% 100%, 8% 100%, 0% 50%);
  white-space: nowrap;
  z-index: 2;
}

/* Card Header ("1 Bottle", "6 Bottles", "3 Bottles") */
.rb-card-top {
  width: 100%;
  padding: 22px 15px 12px;
}
.rb-card-top h3 {
  font-size: 2rem;
  font-weight: 800;
  color: #000000;
}

/* Supply Sub-Banner ("30 Day Supply", etc.) */
.rb-supply-bar {
  width: 100%;
  background: #BF6969; /* Muted rose-brown bar for 1 & 3 bottle cards */
  color: #FFFFFF;
  font-size: 1.15rem;
  font-weight: 500;
  padding: 6px 10px;
}

/* Card Inner Body */
.rb-card-body {
  width: 100%;
  padding: 20px 18px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-grow: 1;
}
.rb-img-wrap {
  width: 100%;
  min-height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 15px;
}
.rb-img-wrap img {
  width: 100%;
  max-width: 260px;
  height: auto;
  display: block;
}

/* White Inner Price Box */
.rb-price-box {
  background: #FFFFFF;
  border: 1px solid #DCDCDC;
  width: 100%;
  padding: 18px 15px 20px;
  margin-bottom: 16px;
}
.rb-retail {
  font-size: 1.05rem;
  color: #333333;
  margin-bottom: 8px;
}
.rb-retail strong {
  color: #222222;
  font-weight: 800;
}
.strike-red {
  position: relative;
  display: inline-block;
}
.strike-red::after {
  content: "";
  position: absolute;
  left: -2px;
  right: -2px;
  top: 50%;
  height: 2px;
  background: #D31117;
  transform: rotate(-10deg);
}

/* Split Price Typography ($69. 00 /bottle) */
.rb-price-main {
  display: flex;
  align-items: center;
  justify-content: center;
  color: #000000;
  line-height: 1;
  margin: 10px 0 12px;
}
.rb-dollar {
  font-size: 3.4rem;
  font-weight: 800;
  letter-spacing: -1px;
}
.rb-cents-wrap {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  margin-left: 2px;
}
.rb-cents {
  font-size: 1.65rem;
  font-weight: 800;
  border-bottom: 2px solid #000000;
  line-height: 1.05;
  padding-bottom: 1px;
}
.rb-per {
  font-size: 0.9rem;
  font-weight: 500;
  color: #222222;
  margin-top: 2px;
}

.rb-ship-muted {
  font-size: 0.95rem;
  color: #444444;
  margin-bottom: 8px;
}
.rb-ship-free {
  font-size: 0.95rem;
  color: #333333;
  margin-bottom: 4px;
}
.rb-you-save {
  font-size: 1.02rem;
  font-weight: 800;
  color: #D31117;
  margin-bottom: 10px;
}

/* Green ADD TO CART Button */
.rb-btn-cart {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  background: #259B00;
  color: #FFFFFF !important;
  font-size: 1.25rem;
  font-weight: 700;
  padding: 12px 15px;
  border-radius: 2px;
  text-transform: uppercase;
  transition: background 0.2s ease;
  margin-top: 8px;
}
.rb-btn-cart:hover {
  background: #1E7E00;
}
.rb-caret {
  font-size: 1.1rem;
}

/* Credit Card Logos Row */
.rb-cc-logos {
  width: 100%;
  max-width: 195px;
  height: auto;
  display: block;
  margin: 0 auto;
}

/* Featured Center Card (6 Bottles - Deep Red Background) */
.rb-card.rb-card-popular {
  background: #8C0408;
  border-color: #720205;
}
.rb-card.rb-card-popular .rb-card-top h3 {
  color: #FFFFFF;
}
.rb-card.rb-card-popular .rb-supply-bar {
  background: #DF0911; /* Bright red supply bar on center card */
}
.rb-card.rb-card-popular .rb-price-box {
  border-color: #FFFFFF;
}

/* ===== GUARANTEE SECTION ===== */
.mb-inner { max-width: 1050px; margin: 0 auto; display: grid; grid-template-columns: 260px 1fr; gap: 45px; align-items: center; }
.mb-inner img { width: 100%; max-width: 250px; margin: 0 auto; display: block; filter: drop-shadow(0 6px 15px rgba(0,0,0,0.12)); }
.mb-inner h3 { color: var(--brand-primary); margin-bottom: 18px; font-size: var(--f-xl); }

/* ===== FAQ ACCORDION ===== */
.faq-list { max-width: 950px; margin: 0 auto; }
.faq-item { background: var(--card-bg); border-radius: 10px; margin-bottom: 14px; border: 1px solid var(--border-color); overflow: hidden; box-shadow: var(--shadow-sm); }
.faq-q { width: 100%; background: none; border: none; padding: 22px 28px; text-align: left; cursor: pointer; display: flex; justify-content: space-between; align-items: center; font-size: 1.25rem; font-weight: 800; color: var(--text-main); font-family: inherit; }
.faq-arrow { color: var(--brand-primary); transition: transform .3s; font-size: 1.1rem; }
.faq-item.open .faq-arrow { transform: rotate(180deg); }
.faq-ans { max-height: 0; overflow: hidden; transition: all .35s ease; padding: 0 28px; color: var(--text-muted); }
.faq-item.open .faq-ans { max-height: 800px; padding: 0 28px 22px; }

/* ===== SCIENTIFIC REFERENCES LIST ===== */
.ref-list {
  columns: 2;
  column-gap: 40px;
  padding-left: 22px;
}
.ref-list li {
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--text-muted);
  margin-bottom: 12px;
  break-inside: avoid;
}

/* ===== FOOTER ===== */
footer {
  background: var(--bg-dark);
  color: #C2B4B4;
  padding: 55px 24px 40px;
  text-align: center;
  border-top: 3px solid var(--brand-primary);
}
.foot-links {
  display: flex;
  justify-content: center;
  gap: 28px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}
.foot-links a {
  color: #FFFFFF;
  font-weight: 700;
  font-size: 0.95rem;
  transition: color 0.2s;
}
.foot-links a:hover { color: var(--brand-orange); }
.foot-disc {
  max-width: 1050px;
  margin: 0 auto;
}
.foot-disc p {
  font-size: 0.88rem;
  line-height: 1.65;
  color: #B0A2A2;
  text-align: center;
  margin-bottom: 14px;
}
.foot-disc strong { color: #FFFFFF; }
.support-links a {
  color: var(--brand-orange);
  font-weight: 700;
  text-decoration: underline;
}
.foot-copy {
  font-size: 0.95rem;
  color: #FFFFFF;
  font-weight: 600;
  margin-top: 25px;
  opacity: 0.9;
}

/* ===== RESPONSIVE DESIGN (TABLET & MOBILE) ===== */
@media (max-width: 1024px) {
  :root {
    --f-body: 1.1rem; --f-md: 1.25rem; --f-lg: 1.4rem;
    --f-xl: 1.75rem; --f-2xl: 2.1rem; --f-3xl: 2.6rem;
  }
  .hero-grid, .two-col, .mb-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-content p { text-align: center; }
  .rb-pricing-grid { grid-template-columns: 1fr; max-width: 420px; gap: 35px; }
  /* Put 6-Bottle Most Popular card first on mobile screens for higher conversions */
  .rb-card.rb-card-popular { order: -1; }
  .badges-grid { grid-template-columns: repeat(2, 1fr); }
  .nav-links, .btn-nav { display: none; }
  .hamburger { display: flex; }
  .ing-item { grid-template-columns: 1fr; text-align: center; padding: 48px 22px 26px; }
  .ing-num { left: 50%; transform: translateX(-50%); top: -22px; }
  .ing-img { margin: 0 auto; }
  .ref-list { columns: 1; }
}

@media (max-width: 600px) {
  :root {
    --f-body: 1.02rem; --f-md: 1.15rem; --f-lg: 1.28rem;
    --f-xl: 1.55rem; --f-2xl: 1.8rem; --f-3xl: 2.15rem;
  }
  .badges-grid { grid-template-columns: 1fr; }
  .btn-cta, .btn-cta-xl { padding: 16px 20px; font-size: 1.1rem; width: 100%; }
  .section { padding: 50px 18px; }
  .faq-q { font-size: 1.1rem; padding: 18px 20px; }
}

/* ==========================================================================
   SIMPLE LEGAL & SUPPORT PAGES (Privacy / Terms / Disclaimer / Returns / Contact)
   ========================================================================== */
.simple-header {
  background: var(--bg-main);
  border-bottom: 1px solid var(--border-color);
  padding: 18px 24px;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}
.simple-header-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.simple-header .nav-logo {
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--brand-primary);
  letter-spacing: 1px;
}
.simple-header .back-home {
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-main);
  padding: 8px 18px;
  border: 2px solid var(--brand-primary);
  border-radius: 6px;
  transition: all 0.2s ease;
}
.simple-header .back-home:hover {
  background: var(--brand-primary);
  color: #FFFFFF;
}

.legal-wrap {
  max-width: 900px;
  margin: 0 auto;
  padding: 60px 24px 80px;
}
.legal-wrap h1 {
  font-size: var(--f-2xl);
  text-transform: none;
  margin-bottom: 10px;
  color: var(--brand-primary);
}
.legal-updated {
  color: var(--text-muted);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 35px;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--border-color);
}
.legal-wrap h2 {
  font-size: 1.5rem;
  color: var(--brand-primary);
  margin-top: 36px;
  margin-bottom: 14px;
}
.legal-wrap h3 {
  font-size: 1.25rem;
  color: var(--text-main);
  margin-top: 24px;
  margin-bottom: 10px;
}
.legal-wrap p, .legal-wrap li {
  text-align: left;
  font-size: 1.08rem;
  line-height: 1.75;
  color: var(--text-main);
}
.legal-wrap ul, .legal-wrap ol {
  margin: 0 0 22px 26px;
}
.legal-wrap li {
  margin-bottom: 10px;
}
.legal-wrap a {
  color: var(--brand-primary);
  font-weight: 600;
  text-decoration: underline;
}
.legal-box {
  background: var(--bg-light);
  border-left: 4px solid var(--brand-primary);
  padding: 22px 26px;
  border-radius: 8px;
  margin: 25px 0;
}

@media (max-width: 600px) {
  .legal-wrap { padding: 40px 18px 60px; }
  .simple-header .nav-logo { font-size: 1.45rem; }
  .simple-header .back-home { font-size: 0.9rem; padding: 6px 12px; }
}