/* ==========================================================================
   BIOGENIX-3F | LANDING PAGE STYLES
   Biotecnología & Nutrición Celular Avanzada
   ========================================================================== */

/* --- CSS Variables & Design Tokens --- */
:root {
  --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Color Palette: Bio-Luxury Botanical Science */
  --bg-dark: #08140c;
  --bg-dark-card: #0d2215;
  --bg-dark-elevated: #132f1e;
  --bg-light: #f7faf7;
  --bg-white: #ffffff;
  --bg-subtle-green: #eef6ee;

  --color-primary-deep: #14351d;
  --color-primary: #1e5229;
  --color-primary-medium: #2e7a3d;
  --color-primary-bright: #449d53;
  --color-accent-lime: #6bc24a;
  --color-accent-glow: #88dc47;
  --color-accent-gold: #cfa844;
  --color-accent-amber: #e6be58;

  --text-main: #19241b;
  --text-muted: #536456;
  --text-light: #8fa092;
  --text-white: #ffffff;

  --border-light: rgba(30, 82, 41, 0.12);
  --border-card: rgba(107, 194, 74, 0.2);
  --border-glow: rgba(136, 220, 71, 0.4);

  --shadow-sm: 0 4px 12px rgba(12, 32, 16, 0.05);
  --shadow-md: 0 10px 30px rgba(12, 32, 16, 0.08);
  --shadow-lg: 0 20px 50px rgba(12, 32, 16, 0.14);
  --shadow-glow: 0 0 35px rgba(107, 194, 74, 0.35);

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
  font-family: var(--font-body);
  color: var(--text-main);
  background-color: var(--bg-white);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  transition: var(--transition);
}

ul {
  list-style: none;
}

/* --- Utility Containers --- */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-padding {
  padding: 100px 0;
}

.text-center { text-align: center; }

/* Section Header Typography */
.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-primary-medium);
  background: rgba(107, 194, 74, 0.12);
  padding: 8px 18px;
  border-radius: var(--radius-full);
  margin-bottom: 18px;
  border: 1px solid rgba(107, 194, 74, 0.25);
}

.section-badge-dark {
  color: var(--color-accent-glow);
  background: rgba(136, 220, 71, 0.12);
  border-color: rgba(136, 220, 71, 0.3);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.8vw, 3.2rem);
  font-weight: 800;
  color: var(--color-primary-deep);
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.section-title span {
  color: var(--color-primary-bright);
}

.section-title-dark {
  color: var(--text-white);
}

.section-desc {
  font-size: 1.12rem;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto 50px;
  line-height: 1.7;
}

.section-desc-dark {
  color: rgba(255, 255, 255, 0.75);
}

/* --- Top Announcement Bar --- */
.top-announcement {
  background: var(--bg-dark);
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.82rem;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.top-announcement .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.announcement-text {
  display: flex;
  align-items: center;
  gap: 8px;
}

.announcement-highlight {
  color: var(--color-accent-glow);
  font-weight: 700;
}

.announcement-links {
  display: flex;
  gap: 20px;
}

.announcement-links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.82rem;
}

.announcement-links a:hover {
  color: var(--color-accent-glow);
}

/* --- Navbar --- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-light);
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
  max-width: 1360px;
  gap: 16px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  white-space: nowrap;
}

.brand-logo img {
  width: 44px;
  height: 44px;
  object-fit: contain;
  filter: drop-shadow(0 2px 8px rgba(30, 82, 41, 0.2));
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.38rem;
  font-weight: 900;
  letter-spacing: 1.2px;
  color: var(--color-primary-deep);
  line-height: 1.1;
  white-space: nowrap;
}

.brand-name span {
  color: var(--color-primary-bright);
}

.brand-sub {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.4px;
  color: var(--text-muted);
  white-space: nowrap;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: clamp(10px, 1.5vw, 24px);
  margin: 0;
  padding: 0;
  list-style: none;
  flex-shrink: 1;
}

.nav-menu li {
  display: flex;
  align-items: center;
}

.nav-link {
  font-size: clamp(0.84rem, 0.88vw, 0.92rem);
  font-weight: 600;
  color: var(--text-main);
  position: relative;
  padding: 6px 2px;
  white-space: nowrap;
  letter-spacing: 0.1px;
  display: inline-block;
}

.nav-link:hover {
  color: var(--color-primary-bright);
}

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

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 26px;
  border-radius: var(--radius-full);
  font-size: 0.94rem;
  font-weight: 700;
  letter-spacing: 0.3px;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary-bright) 0%, var(--color-primary) 100%);
  color: var(--text-white);
  box-shadow: 0 4px 18px rgba(46, 122, 61, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(46, 122, 61, 0.45);
  background: linear-gradient(135deg, var(--color-accent-lime) 0%, var(--color-primary-bright) 100%);
}

.btn-secondary {
  background: rgba(30, 82, 41, 0.08);
  color: var(--color-primary-deep);
  border: 1px solid rgba(30, 82, 41, 0.2);
}

.btn-secondary:hover {
  background: rgba(30, 82, 41, 0.14);
  color: var(--color-primary);
  transform: translateY(-2px);
}

.btn-outline-white {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-white);
  border: 1px solid rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(10px);
}

.btn-outline-white:hover {
  background: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-2px);
}

.btn-glow {
  background: linear-gradient(135deg, var(--color-accent-glow) 0%, var(--color-accent-lime) 100%);
  color: var(--bg-dark);
  font-weight: 800;
  box-shadow: var(--shadow-glow);
}

.btn-glow:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 0 45px rgba(136, 220, 71, 0.55);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.05rem;
}

/* Mobile Menu Button */
.mobile-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: var(--color-primary-deep);
  border-radius: var(--radius-sm);
  background: rgba(30, 82, 41, 0.05);
  border: 1px solid rgba(30, 82, 41, 0.12);
  cursor: pointer;
  padding: 0;
  transition: var(--transition);
}

.mobile-toggle:hover {
  background: rgba(30, 82, 41, 0.1);
  color: var(--color-primary-bright);
}

.mobile-only-item {
  display: none;
}

/* --- Hero Section --- */
.hero {
  position: relative;
  background: radial-gradient(circle at 10% 20%, rgba(107, 194, 74, 0.12) 0%, transparent 40%),
              radial-gradient(circle at 90% 80%, rgba(30, 82, 41, 0.08) 0%, transparent 45%),
              linear-gradient(180deg, #ffffff 0%, var(--bg-light) 100%);
  padding: 80px 0 100px;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 60px;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-subtitle-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(30, 82, 41, 0.07);
  color: var(--color-primary);
  border: 1px solid rgba(30, 82, 41, 0.18);
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-size: 0.86rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 22px;
}

.hero-subtitle-tag svg {
  color: var(--color-accent-lime);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4.4vw, 3.9rem);
  font-weight: 900;
  line-height: 1.08;
  color: var(--color-primary-deep);
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.hero-title .gradient-text {
  background: linear-gradient(135deg, var(--color-primary-bright) 0%, var(--color-accent-lime) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: block;
}

.hero-tagline-box {
  display: inline-block;
  background: var(--color-primary-deep);
  color: var(--text-white);
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 22px;
  text-transform: uppercase;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 32px;
  max-width: 580px;
}

.hero-badges-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 38px;
}

.purity-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-white);
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-primary-deep);
  border: 1px solid rgba(30, 82, 41, 0.15);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
}

.purity-pill svg {
  color: var(--color-primary-bright);
}

.hero-cta-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 36px;
}

.hero-trust-bar {
  display: flex;
  align-items: center;
  gap: 24px;
  padding-top: 24px;
  border-top: 1px solid rgba(30, 82, 41, 0.1);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.86rem;
  color: var(--text-muted);
  font-weight: 600;
}

.trust-item svg {
  color: var(--color-primary-bright);
}

/* Hero Media / Bottle Showcase */
.hero-media {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.bottle-glow-backdrop {
  position: absolute;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(107, 194, 74, 0.3) 0%, rgba(46, 122, 61, 0.1) 50%, transparent 70%);
  border-radius: 50%;
  filter: blur(40px);
  z-index: 1;
  animation: pulseAura 6s ease-in-out infinite alternate;
}

@keyframes pulseAura {
  0% { transform: scale(0.92); opacity: 0.6; }
  100% { transform: scale(1.1); opacity: 0.95; }
}

.bottle-showcase-card {
  position: relative;
  z-index: 2;
  text-align: center;
}

.bottle-showcase-card img {
  max-height: 520px;
  margin: 0 auto;
  filter: drop-shadow(0 25px 35px rgba(12, 32, 16, 0.22));
  transition: transform 0.5s ease;
  animation: floatBottle 5s ease-in-out infinite;
}

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

.floating-pill {
  position: absolute;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  padding: 12px 18px;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(107, 194, 74, 0.25);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 3;
  transition: var(--transition);
}

.floating-pill:hover {
  transform: scale(1.05);
}

.floating-pill-1 {
  top: 15%;
  left: -20px;
}

.floating-pill-2 {
  bottom: 22%;
  right: -25px;
}

.pill-icon {
  width: 36px;
  height: 36px;
  background: rgba(107, 194, 74, 0.15);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary-medium);
}

.pill-text strong {
  display: block;
  font-size: 0.88rem;
  color: var(--color-primary-deep);
  font-weight: 800;
}

.pill-text span {
  font-size: 0.74rem;
  color: var(--text-muted);
}

/* --- Stats Strip --- */
.stats-strip {
  background: var(--bg-dark);
  color: var(--text-white);
  padding: 45px 0;
  position: relative;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  text-align: center;
}

.stat-item {
  position: relative;
  padding: 10px 20px;
}

.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  top: 20%;
  height: 60%;
  width: 1px;
  background: rgba(255, 255, 255, 0.12);
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--color-accent-glow);
  line-height: 1;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 4px;
}

.stat-sub {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.6);
}

/* --- What is Cellular Nutrition (Concept) --- */
.concept-section {
  background: var(--bg-white);
}

.concept-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.concept-image-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.concept-image-wrapper img {
  width: 100%;
  height: auto;
  transition: transform 0.6s ease;
}

.concept-image-wrapper:hover img {
  transform: scale(1.03);
}

.concept-card-overlay {
  position: absolute;
  bottom: 24px;
  left: 24px;
  right: 24px;
  background: rgba(13, 34, 21, 0.88);
  backdrop-filter: blur(14px);
  padding: 20px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(136, 220, 71, 0.3);
  color: var(--text-white);
}

.concept-card-overlay h4 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--color-accent-glow);
  margin-bottom: 6px;
}

.concept-card-overlay p {
  font-size: 0.86rem;
  color: rgba(255, 255, 255, 0.8);
}

.concept-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 30px;
}

.concept-list-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.concept-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  background: rgba(107, 194, 74, 0.15);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary-medium);
}

.concept-item-content h4 {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--color-primary-deep);
  margin-bottom: 4px;
}

.concept-item-content p {
  font-size: 0.92rem;
  color: var(--text-muted);
}

/* --- 8 Core Benefits Section (From info.jpeg) --- */
.benefits-section {
  background: var(--bg-light);
  position: relative;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.benefit-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 32px 26px;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.benefit-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary-bright), var(--color-accent-lime));
  opacity: 0;
  transition: var(--transition);
}

.benefit-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
  border-color: rgba(107, 194, 74, 0.35);
}

.benefit-card:hover::before {
  opacity: 1;
}

.benefit-icon-wrapper {
  width: 58px;
  height: 58px;
  border-radius: var(--radius-md);
  background: rgba(107, 194, 74, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary-medium);
  margin-bottom: 22px;
  transition: var(--transition);
}

.benefit-card:hover .benefit-icon-wrapper {
  background: var(--color-primary-bright);
  color: var(--text-white);
  transform: scale(1.08);
}

.benefit-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-primary-deep);
  margin-bottom: 12px;
  line-height: 1.3;
}

.benefit-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* --- 4 Scientific Foundation Pillars (Horizontal from info.jpeg) --- */
.science-section {
  background: var(--bg-dark);
  color: var(--text-white);
  position: relative;
  overflow: hidden;
}

.science-section::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(107, 194, 74, 0.15) 0%, transparent 70%);
  filter: blur(80px);
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.pillar-card {
  background: var(--bg-dark-card);
  border: 1px solid rgba(107, 194, 74, 0.2);
  border-radius: var(--radius-lg);
  padding: 36px 26px;
  text-align: center;
  transition: var(--transition);
  position: relative;
}

.pillar-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-accent-glow);
  box-shadow: 0 10px 30px rgba(107, 194, 74, 0.15);
}

.pillar-icon-box {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background: rgba(136, 220, 71, 0.1);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent-glow);
  border: 1px solid rgba(136, 220, 71, 0.25);
}

.pillar-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text-white);
  margin-bottom: 12px;
}

.pillar-desc {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.6;
}

/* Slogan Banner */
.slogan-banner {
  margin-top: 70px;
  background: linear-gradient(135deg, rgba(30, 82, 41, 0.4) 0%, rgba(13, 34, 21, 0.9) 100%);
  border: 1px solid rgba(136, 220, 71, 0.3);
  border-radius: var(--radius-lg);
  padding: 35px 30px;
  text-align: center;
}

.slogan-main {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--color-accent-glow);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.slogan-sub {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.85);
  letter-spacing: 1px;
}

/* --- Product Presentation Section --- */
.product-showcase {
  background: var(--bg-white);
}

.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
}

.product-media-card {
  background: radial-gradient(circle at center, rgba(107, 194, 74, 0.15) 0%, var(--bg-light) 70%);
  border-radius: var(--radius-lg);
  padding: 50px 30px;
  text-align: center;
  border: 1px solid var(--border-light);
  position: relative;
}

.product-media-card img {
  max-height: 480px;
  margin: 0 auto;
  filter: drop-shadow(0 20px 35px rgba(0, 0, 0, 0.18));
}

.spec-badges-row {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 30px;
  flex-wrap: wrap;
}

.spec-badge {
  background: var(--bg-white);
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-primary-deep);
  border: 1px solid rgba(30, 82, 41, 0.15);
  box-shadow: var(--shadow-sm);
}

.product-info-column .product-tag {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-primary-bright);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 10px;
  display: block;
}

.product-info-column .product-title {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--color-primary-deep);
  line-height: 1.15;
  margin-bottom: 18px;
}

.product-specs-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin: 28px 0 34px;
}

.spec-box {
  background: var(--bg-light);
  padding: 16px 20px;
  border-radius: var(--radius-md);
  border-left: 3px solid var(--color-primary-bright);
}

.spec-box-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.spec-box-value {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--color-primary-deep);
  margin-top: 4px;
}

/* --- How to Take / Usage Cycle --- */
.usage-section {
  background: var(--bg-subtle-green);
}

.usage-steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.step-card {
  background: var(--bg-white);
  padding: 38px 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  position: relative;
  text-align: center;
}

.step-number {
  position: absolute;
  top: -18px;
  left: 50%;
  transform: translateX(-50%);
  width: 38px;
  height: 38px;
  background: var(--color-primary-deep);
  color: var(--color-accent-glow);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1rem;
  border: 2px solid var(--bg-white);
  box-shadow: var(--shadow-sm);
}

.step-icon-box {
  width: 60px;
  height: 60px;
  margin: 15px auto 20px;
  background: rgba(107, 194, 74, 0.15);
  color: var(--color-primary-medium);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--color-primary-deep);
  margin-bottom: 10px;
}

.step-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* --- Business Opportunity (MLM / Network) --- */
.business-section {
  background: linear-gradient(135deg, var(--color-primary-deep) 0%, var(--bg-dark) 100%);
  color: var(--text-white);
  position: relative;
  overflow: hidden;
}

.business-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 50px;
  align-items: center;
}

.business-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(136, 220, 71, 0.25);
  border-radius: var(--radius-lg);
  padding: 38px 32px;
  backdrop-filter: blur(12px);
}

.business-perks-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 28px 0;
}

.perk-item {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.98rem;
  color: rgba(255, 255, 255, 0.9);
}

.perk-item svg {
  color: var(--color-accent-glow);
  flex-shrink: 0;
}

/* --- FAQ Accordion --- */
.faq-section {
  background: var(--bg-white);
}

.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

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

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 26px;
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--color-primary-deep);
  text-align: left;
  background: var(--bg-white);
}

.faq-question:hover {
  color: var(--color-primary-bright);
}

.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  background: rgba(107, 194, 74, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary-medium);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  background: var(--color-primary-bright);
  color: var(--text-white);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  background: var(--bg-light);
  padding: 0 26px;
  font-size: 0.96rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 26px 24px 26px;
}

/* --- CTA Section --- */
.cta-banner-section {
  background: var(--bg-light);
}

.cta-box {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-deep) 100%);
  border-radius: var(--radius-lg);
  padding: 60px 40px;
  text-align: center;
  color: var(--text-white);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.cta-box::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(136, 220, 71, 0.25) 0%, transparent 70%);
  pointer-events: none;
}

.cta-box h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 900;
  margin-bottom: 16px;
}

.cta-box p {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.85);
  max-width: 650px;
  margin: 0 auto 34px;
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
}

/* --- Footer --- */
.footer {
  background: var(--bg-dark);
  color: var(--text-white);
  padding: 80px 0 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 50px;
  margin-bottom: 60px;
}

.footer-about p {
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.65);
  margin: 18px 0 24px;
  line-height: 1.7;
}

.footer-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text-white);
  margin-bottom: 22px;
  letter-spacing: 0.5px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.65);
}

.footer-links a:hover {
  color: var(--color-accent-glow);
  padding-left: 6px;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.7);
}

.contact-item svg {
  color: var(--color-accent-glow);
  flex-shrink: 0;
}

.disclaimer-box {
  padding: 24px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.6;
  margin-bottom: 40px;
  text-align: center;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.5);
}

/* Floating WhatsApp Button */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 60px;
  height: 60px;
  background: #25D366;
  color: white;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.45);
  z-index: 999;
  transition: var(--transition);
}

.whatsapp-float:hover {
  transform: scale(1.1) rotate(6deg);
  box-shadow: 0 12px 30px rgba(37, 211, 102, 0.6);
}

/* Infographic Lightbox Modal */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.88);
  backdrop-filter: blur(8px);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.modal-overlay.active {
  display: flex;
  opacity: 1;
}

.modal-content {
  position: relative;
  max-width: 900px;
  max-height: 90vh;
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 25px 60px rgba(0,0,0,0.5);
  display: flex;
  flex-direction: column;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  background: var(--color-primary-deep);
  color: var(--text-white);
}

.modal-header h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
}

.modal-close {
  color: var(--text-white);
  font-size: 1.5rem;
  line-height: 1;
}

.modal-body {
  overflow-y: auto;
  padding: 10px;
  text-align: center;
}

.modal-body img {
  max-width: 100%;
  height: auto;
  margin: 0 auto;
  border-radius: var(--radius-sm);
}

/* --- Responsive Media Queries --- */
@media (max-width: 1220px) {
  .brand-sub {
    display: none;
  }
  .nav-menu {
    gap: 12px;
  }
  .nav-link {
    font-size: 0.84rem;
  }
  .nav-actions {
    gap: 8px;
  }
  .nav-actions .btn-sm {
    padding: 7px 14px;
    font-size: 0.82rem;
  }
}

@media (max-width: 1024px) {
  /* Navbar Mobile Mode */
  .mobile-toggle {
    display: flex;
  }
  .nav-actions .btn-secondary {
    display: none;
  }
  .nav-menu {
    display: none;
    position: absolute;
    top: 80px;
    left: 0;
    right: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: stretch;
    padding: 20px 24px 28px;
    gap: 4px;
    border-bottom: 1px solid var(--border-light);
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.1);
    z-index: 999;
  }
  .nav-menu.active {
    display: flex;
    animation: navSlideDown 0.25s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  }
  .nav-menu li {
    width: 100%;
  }
  .nav-link {
    font-size: 1rem;
    font-weight: 600;
    padding: 12px 14px;
    display: block;
    width: 100%;
    border-radius: var(--radius-sm);
    transition: var(--transition);
  }
  .nav-link:hover {
    background: rgba(107, 194, 74, 0.1);
    color: var(--color-primary-bright);
    padding-left: 18px;
  }
  .nav-link::after {
    display: none;
  }
  .mobile-only-item {
    display: block;
    margin-top: 8px;
    padding-top: 10px;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
  }
  .mobile-login-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--color-primary-deep);
    font-weight: 700;
  }

  /* Layout grids for tablet */
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-description {
    margin: 0 auto 32px;
  }
  .hero-badges-row, .hero-cta-group, .hero-trust-bar {
    justify-content: center;
  }
  .floating-pill { display: none; }
  .benefits-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pillars-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .concept-grid, .product-detail-grid, .business-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

@media (max-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .stat-item:nth-child(2)::after {
    display: none;
  }
  .usage-steps-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 14px;
    text-align: center;
  }
}

@media (max-width: 520px) {
  .brand-logo img {
    width: 36px;
    height: 36px;
  }
  .brand-name {
    font-size: 1.22rem;
  }
  .hide-mobile-extra {
    display: none;
  }
  .nav-actions .btn-sm {
    padding: 7px 12px;
    font-size: 0.8rem;
  }
  .benefits-grid, .pillars-grid, .product-specs-list {
    grid-template-columns: 1fr;
  }
  .top-announcement {
    display: none;
  }
  .hero {
    padding: 40px 0 60px;
  }
  .section-padding {
    padding: 60px 0;
  }
}