/* ==========================================================================
   MAXFORCE™ DESIGN SYSTEM & RESET
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&display=swap');

:root {
  --color-primary: #1F1F1F; /* Dark Base */
  --color-secondary: #FFFFFF; /* Light */
  --color-accent: #D4AF37; /* Gold */
  --color-accent-hover: #B5952F;
  --color-text: #111827;
  --color-text-body: #4B5563;
  --color-text-muted: #6B7280;
  
  --color-error: #DC2626;
  --color-success: #16A34A;
  
  --color-gray-light: #F9FAFB;
  --color-gray-border: #E5E7EB;
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);

  /* Typography */
  --font-family: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  
  /* Spacing */
  --section-padding: 80px 24px;
  --section-padding-mobile: 48px 20px;
}

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

::selection {
  background-color: var(--color-accent);
  color: #000;
}
::-moz-selection {
  background-color: var(--color-accent);
  color: #000;
}

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

body {
  font-family: var(--font-family);
  color: var(--color-primary);
  background-color: var(--color-secondary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  text-decoration: none;
  color: inherit;
  outline: none;
}

a:focus, button:focus, div:focus {
  outline: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
  transition: all 0.3s ease;
}

/* ==========================================================================
   TYPOGRAPHY
   ========================================================================== */

h1, h2, h3, h4 {
  color: var(--color-primary);
  line-height: 1.2;
  font-weight: 700;
}

.title-xl {
  font-size: clamp(28px, 5vw, 42px);
  letter-spacing: -0.02em;
}

.title-lg {
  font-size: clamp(24px, 4vw, 32px);
  letter-spacing: -0.01em;
}

.title-md {
  font-size: clamp(18px, 3vw, 22px);
}

.text-body {
  font-size: 16px;
  color: var(--color-text-body);
}

.text-sm {
  font-size: 14px;
  color: var(--color-text-body);
}

.text-xs {
  font-size: 12px;
  color: var(--color-text-muted);
}

/* ==========================================================================
   LAYOUT UTILITIES
   ========================================================================== */

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
}

.section {
  padding: var(--section-padding-mobile);
}

@media (min-width: 768px) {
  .section {
    padding: var(--section-padding);
  }
}

.bg-gray {
  background-color: var(--color-gray-light);
}

.bg-dark {
  background-color: var(--color-primary);
  color: var(--color-secondary);
}

.bg-dark h2, .bg-dark h3, .bg-dark p {
  color: var(--color-secondary);
}

/* ==========================================================================
   COMPONENTS
   ========================================================================== */

/* Button */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  background-color: var(--color-accent);
  color: var(--color-secondary);
  font-size: 18px;
  font-weight: 700;
  padding: 20px 32px;
  border-radius: var(--radius-lg);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  box-shadow: var(--shadow-md);
  transition: transform 0.2s ease, background-color 0.2s ease;
}

.btn-primary:hover {
  background-color: var(--color-accent-hover);
  transform: translateY(-2px);
}

.btn-primary:active {
  transform: translateY(0);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  background-color: rgba(200, 155, 60, 0.1);
  color: var(--color-accent);
  font-size: 12px;
  font-weight: 700;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Placeholders (for images/videos) */
.placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-gray-border);
  color: var(--color-text-muted);
  font-weight: 600;
  border-radius: var(--radius-lg);
  width: 100%;
  height: 100%;
  min-height: 200px;
  text-align: center;
  border: 2px dashed #D1D5DB;
  padding: 20px;
}

.placeholder-hero { aspect-ratio: 1 / 1; min-height: 350px; }
.placeholder-square { aspect-ratio: 1 / 1; }
.placeholder-video { aspect-ratio: 9 / 16; min-height: 400px; }
.placeholder-video-hz { aspect-ratio: 16 / 9; }
.placeholder-avatar { width: 48px; height: 48px; min-height: 48px; border-radius: 50%; aspect-ratio: 1/1; padding: 0; font-size: 10px; }

/* Announcement Bar */
.announcement-bar {
  background-color: var(--color-primary);
  color: var(--color-secondary);
  text-align: center;
  padding: 10px 20px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Nav */
.nav-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-gray-border);
  padding: 16px 20px;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1100px;
  margin: 0 auto;
}

.logo {
  font-size: 20px;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

@media (max-width: 480px) {
  .logo {
    font-size: 16px;
  }
  .nav-header .btn-primary {
    padding: 8px 16px !important;
    font-size: 12px !important;
  }
  .announcement-bar {
    font-size: 11px;
    padding: 8px 10px;
  }
}

/* Hero Section */
.hero-section {
  padding-top: 40px;
  padding-bottom: 40px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

@media (min-width: 768px) {
  .hero-section {
    padding-top: 64px;
    padding-bottom: 64px;
  }
  .hero-grid {
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
  }
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.hero-stars {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-accent);
  font-size: 14px;
  font-weight: 600;
}

.hero-stars span {
  color: var(--color-text-body);
}

.hero-bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.hero-bullets li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  color: var(--color-text-body);
}

.hero-bullets li svg {
  flex-shrink: 0;
  color: var(--color-accent);
  width: 20px;
  height: 20px;
  margin-top: 2px;
}

/* Price Block */
#checkout {
  scroll-margin-top: 100px;
}

.price-block {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-gray-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-top: 24px;
}
.price-row {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 24px;
  margin-top: 8px;
}
.price-current {
  font-size: 36px;
  font-weight: 800;
  line-height: 1;
  color: var(--color-text);
}
.price-original {
  font-size: 24px;
  color: var(--color-text-muted);
  text-decoration: line-through;
}

/* Variants Selection */
.variants-container {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 16px;
  text-align: left;
}
.variant-option {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 12px;
  border: 2px solid var(--color-gray-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
  background: var(--color-secondary);
  width: 100%;
  box-sizing: border-box;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent !important;
  -webkit-focus-ring-color: transparent !important;
  outline: none !important;
}
.variant-option:hover {
  border-color: #cbd5e1;
}
.variant-option.selected {
  border-color: var(--color-accent);
  background: rgba(212, 175, 55, 0.05);
  outline: none !important;
}
.variant-img {
  width: 48px;
  height: 48px;
  object-fit: contain;
  border-radius: 4px;
  flex-shrink: 0;
}
.variant-info {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  min-width: 0; /* allows text truncation/wrap */
}
.variant-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.variant-subtitle {
  font-size: 11px;
  color: var(--color-text-muted);
  line-height: 1.2;
}
.variant-tag {
  position: absolute;
  top: -10px;
  right: 12px;
  background: var(--color-accent);
  color: var(--color-primary);
  font-size: 10px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 10px;
  text-transform: uppercase;
}

.trust-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
  justify-content: center;
}

.trust-badges img {
  height: 24px;
  opacity: 0.7;
}

/* Slider Arrows */
.slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid var(--color-gray-border);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--color-text);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  transition: background 0.2s, transform 0.2s;
  z-index: 10;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
  outline: none;
}
.slider-arrow:hover {
  background: #fff;
  transform: translateY(-50%) scale(1.05);
}
.slider-prev {
  left: 12px;
}
.slider-next {
  right: 12px;
}
.slider-arrow svg {
  width: 24px;
  height: 24px;
}

/* Thumbnails Carousel */
.thumb-carousel {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none; /* Firefox */
  padding-bottom: 4px;
}
.thumb-carousel::-webkit-scrollbar {
  display: none; /* Safari and Chrome */
}
.thumb-item {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  flex-shrink: 0;
  transition: border-color 0.3s ease;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: rgba(0,0,0,0) !important;
  outline: none !important;
}
.thumb-item:hover, .thumb-item.active-thumb {
  border-color: var(--color-accent);
  opacity: 1;
}

/* Features Strip */
.features-strip {
  border-top: 1px solid var(--color-gray-border);
  border-bottom: 1px solid var(--color-gray-border);
  background-color: var(--color-secondary);
  padding: 32px 20px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 1000px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .features-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.feature-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
}

.feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-gray-light);
  border-radius: 50%;
  color: var(--color-primary);
}

.feature-item h3 {
  font-size: 14px;
  font-weight: 700;
}

/* Comparison Table */
.comparison-container {
  max-width: 800px;
  margin: 0 auto;
  background: var(--color-secondary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  border: 1px solid var(--color-gray-border);
}

.comp-header {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  background-color: var(--color-gray-light);
  padding: 20px;
  border-bottom: 1px solid var(--color-gray-border);
}

.comp-header > div {
  font-weight: 700;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-align: center;
}

.comp-header .comp-brand {
  color: var(--color-accent);
}

.comp-header > div:first-child {
  text-align: left;
}

.comp-row {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  padding: 20px;
  border-bottom: 1px solid var(--color-gray-border);
  align-items: center;
}

.comp-row:last-child {
  border-bottom: none;
}

.comp-row > div:not(:first-child) {
  display: flex;
  justify-content: center;
}

.comp-row svg {
  width: 24px;
  height: 24px;
}

.comp-check {
  color: var(--color-accent);
}

.comp-cross {
  color: var(--color-text-muted);
  opacity: 0.5;
}

/* How It Works */
.steps-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-top: 48px;
}

@media (min-width: 768px) {
  .steps-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
  }
}

.step-card {
  display: flex;
  flex-direction: column;
  gap: 20px;
  text-align: center;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background-color: var(--color-primary);
  color: var(--color-secondary);
  border-radius: 50%;
  font-weight: 700;
  font-size: 14px;
  margin: 0 auto;
}

/* Ingredients */
.ingredients-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 48px;
}

@media (min-width: 768px) {
  .ingredients-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
}

.ingredient-card {
  background-color: var(--color-secondary);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  gap: 20px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-gray-border);
  align-items: center;
}

.ingredient-img {
  width: 80px;
  height: 80px;
  flex-shrink: 0;
}

.ingredient-info h3 {
  margin-bottom: 8px;
  font-size: 18px;
}

/* Social Proof - Videos */
.videos-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 40px;
}

@media (min-width: 768px) {
  .videos-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
  }
}

.video-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.play-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

/* Reviews Grid */
.reviews-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 48px;
}

@media (min-width: 768px) {
  .reviews-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
}

.review-card {
  background-color: var(--color-secondary);
  border: 1px solid var(--color-gray-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.review-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.review-name {
  font-weight: 700;
  color: var(--color-primary);
}

.review-verified {
  font-size: 12px;
  color: var(--color-success);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 4px;
}

.review-stars {
  color: var(--color-accent);
  margin-bottom: 12px;
  font-size: 14px;
}

/* Guarantee Section */
.guarantee-box {
  background-color: var(--color-primary);
  color: var(--color-secondary);
  border-radius: var(--radius-xl);
  padding: 48px 24px;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.guarantee-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 24px;
  color: var(--color-accent);
}

/* FAQ Accordion */
.faq-container {
  max-width: 700px;
  margin: 48px auto 0;
}

.faq-item {
  border-bottom: 1px solid var(--color-gray-border);
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: 24px 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary);
  text-align: left;
}

.faq-question svg {
  width: 20px;
  height: 20px;
  transition: transform 0.3s ease;
  flex-shrink: 0;
  margin-left: 16px;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-answer-inner {
  padding-bottom: 24px;
  color: var(--color-text-body);
}

/* Final CTA */
.final-cta-section {
  text-align: center;
}

.final-cta-content {
  max-width: 600px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
}

.final-product-img {
  width: 100%;
  max-width: 300px;
  margin: 0 auto;
}

/* Sticky CTA */
.sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--color-gray-border);
  padding: 16px 20px;
  box-shadow: 0 -4px 24px rgba(0,0,0,0.08);
  transform: translateY(100%);
  transition: transform 0.3s ease;
  z-index: 99;
  display: flex;
  justify-content: center;
}

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

.sticky-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 600px;
  gap: 16px;
}

.sticky-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.sticky-price {
  font-weight: 800;
  font-size: 18px;
}

.sticky-btn {
  padding: 12px 24px;
  font-size: 14px;
  width: auto;
  flex-shrink: 0;
}

@media (max-width: 480px) {
  .sticky-info {
    display: none;
  }
  .sticky-btn {
    width: 100%;
  }
}

/* --- MOBILE ALIGNMENT FIXES --- */
@media (max-width: 767px) {
  .hero-content {
    text-align: center;
    align-items: center;
  }
  .hero-stars {
    justify-content: center;
  }
  .hero-bullets {
    align-items: flex-start;
    text-align: left;
    margin: 0 auto;
    width: 100%;
    max-width: 320px;
  }
  .price-block {
    text-align: center;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .price-row {
    justify-content: center;
  }
  .step-card img {
    margin: 0 auto;
  }
  .variants-container {
    width: 100%;
  }
}

/* --- SCROLL ANIMATIONS --- */
.animate-fade-in {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}
.animate-fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- SALES NOTIFICATIONS --- */
.sales-notification {
  position: fixed;
  bottom: 24px;
  left: 24px;
  background: var(--color-secondary);
  border: 1px solid var(--color-gray-border);
  border-radius: var(--radius-md);
  padding: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-lg);
  transform: translateX(-150%);
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 1000;
  max-width: 320px;
}
.sales-notification.show {
  transform: translateX(0);
}
.sales-notification img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: 4px;
  background: var(--color-primary);
  padding: 2px;
}
.sales-info {
  display: flex;
  flex-direction: column;
}
.sales-name {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-text);
}
.sales-action {
  font-size: 12px;
  color: var(--color-text-muted);
}
.sales-action strong {
  color: var(--color-accent);
}
.sales-time {
  font-size: 10px;
  color: var(--color-success);
  margin-top: 2px;
}

@media (max-width: 767px) {
  .sales-notification {
    bottom: 90px;
    left: 10px;
    right: 10px;
    max-width: none;
  }
}