/* ===== RESET & BASE ===== */
* {
  margin: 0;
  padding: 0;
    box-sizing: border-box;
}

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

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 16px;
    line-height: 1.6;
  color: #E5E7EB;
  background: #0F0F0F;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===== PROFESSIONAL DESIGN SYSTEM ===== */
:root {
  /* Colors - Gorilla Brand */
  --black: #0F0F0F;
  --dark-grey: #1A1A1A;
  --medium-grey: #2A2A2A;
  --light-grey: #404040;
  --text-white: #FFFFFF;
  --text-grey: #E5E7EB;
  --text-muted: #9CA3AF;
  
  /* Greens - From Logo */
  --green-dark: #1B5E20;
  --green: #4CAF50;
  --green-light: #66BB6A;
  --green-bright: #76FF03;
  
  /* Professional Spacing System */
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 32px;
  --space-xl: 48px;
  --space-2xl: 64px;
  --space-3xl: 96px;
  
  /* Typography Scale - Professional */
  --text-xs: 12px;
  --text-sm: 14px;
  --text-base: 16px;
  --text-lg: 18px;
  --text-xl: 20px;
  --text-2xl: 24px;
  --text-3xl: 30px;
  --text-4xl: 36px;
  --text-5xl: 48px;
  --text-6xl: 60px;
  
  /* Layout */
  --container-max: 1200px;
  --container-padding: 24px;
  --section-padding: 80px;
  
  /* Radius */
  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  
  /* Shadows - Subtle */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 4px 6px rgba(0, 0, 0, 0.07), 0 2px 4px rgba(0, 0, 0, 0.06);
}

/* ===== LAYOUT ===== */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section {
  padding: var(--section-padding) 0;
}

.section:nth-child(even) {
  background: var(--dark-grey);
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-white);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

h1 { font-size: var(--text-5xl); font-weight: 800; }
h2 { font-size: var(--text-4xl); font-weight: 700; }
h3 { font-size: var(--text-3xl); font-weight: 600; }
h4 { font-size: var(--text-2xl); font-weight: 600; }

p {
  margin-bottom: var(--space-sm);
  color: var(--text-grey);
}

.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-large { font-size: var(--text-lg); }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
    align-items: center;
    justify-content: center;
  padding: 14px 28px;
  border-radius: var(--radius-lg);
    font-weight: 600;
  font-size: var(--text-base);
  text-decoration: none;
  transition: all 0.2s ease;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--green-dark), var(--green));
  color: var(--text-white);
  box-shadow: var(--shadow);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
  background: linear-gradient(135deg, var(--green), var(--green-light));
}

.btn-secondary {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: var(--text-base);
}

.btn-secondary:hover {
  color: var(--text-grey);
}

/* ===== HEADER ===== */
.header {
  position: sticky;
    top: 0;
  z-index: 100;
  background: rgba(15, 15, 15, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--medium-grey);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
}

.logo img {
  height: 32px;
  width: auto;
}

.logo-text {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--text-white);
}

/* ===== HERO ===== */
.hero {
  background: var(--black);
    display: flex;
    align-items: center;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
  inset: 0;
  background: 
    radial-gradient(circle at 20% 30%, rgba(76, 175, 80, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(27, 94, 32, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-2xl);
  align-items: center;
    position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: clamp(var(--text-4xl), 5vw, var(--text-6xl));
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--space-md);
  color: var(--text-white);
}

.hero p {
  font-size: var(--text-lg);
  color: var(--text-grey);
  margin-bottom: var(--space-xl);
  max-width: 540px;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  gap: var(--space-lg);
  align-items: center;
}

/* ===== PROOF CARD ===== */
.proof-card {
  background: var(--dark-grey);
  border: 1px solid var(--medium-grey);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  margin-bottom: var(--space-md);
  box-shadow: var(--shadow);
}

.proof-eyebrow {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-xs);
}

.proof-text {
  font-weight: 600;
  color: var(--text-white);
  font-size: var(--text-sm);
  line-height: 1.4;
}

.proof-red { color: #EF4444; }
.proof-green { color: var(--green); }

/* ===== VIDEO ===== */
.video-placeholder {
  background: linear-gradient(135deg, var(--medium-grey), var(--light-grey));
  border-radius: var(--radius-xl);
  aspect-ratio: 16/9;
  display: flex;
  flex-direction: column;
    align-items: center;
    justify-content: center;
  border: 1px solid var(--medium-grey);
  box-shadow: var(--shadow);
}

.video-title {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: var(--space-xs);
}

.video-subtitle {
  color: var(--text-muted);
  font-size: var(--text-sm);
}

/* ===== METRICS ===== */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.metric-card {
  background: var(--dark-grey);
  border: 1px solid var(--medium-grey);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  text-align: center;
    position: relative;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease;
}

.metric-card:hover {
  transform: translateY(-2px);
}

.metric-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(135deg, var(--green-dark), var(--green));
}

.metric-number {
  font-size: var(--text-4xl);
    font-weight: 800;
  color: var(--green-bright);
  margin-bottom: var(--space-sm);
    line-height: 1;
}

.metric-label {
  font-weight: 600;
  color: var(--text-white);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: var(--text-xs);
}

/* ===== SECTION HEADERS ===== */
.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.section-title {
  font-size: var(--text-4xl);
  font-weight: 800;
  margin-bottom: var(--space-md);
  color: var(--text-white);
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--text-muted);
  line-height: 1.6;
}

/* ===== QUALITY CARDS ===== */
.quality-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}

.quality-card {
  background: var(--dark-grey);
  border: 1px solid var(--medium-grey);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
    text-align: center;
  position: relative;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease;
}

.quality-card:hover {
  transform: translateY(-2px);
}

.quality-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-md);
  border-radius: 50%;
  background: linear-gradient(135deg, var(--green-dark), var(--green));
    display: flex;
    align-items: center;
    justify-content: center;
  color: var(--text-white);
  font-size: 20px;
  font-weight: 700;
}

.quality-card h3 {
  color: var(--text-white);
  margin-bottom: var(--space-sm);
  font-size: var(--text-lg);
  font-weight: 600;
}

.quality-card ul {
  list-style: none;
  text-align: left;
}

.quality-card li {
  color: var(--text-grey);
  margin-bottom: var(--space-xs);
  font-size: var(--text-sm);
  padding-left: 20px;
  position: relative;
}

.quality-card li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--green);
  font-weight: 700;
}

.quality-card li.negative::before {
  content: '✗';
  color: #EF4444;
}

/* ===== COMPARISON CARDS ===== */
.compare-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.compare-card {
  background: var(--dark-grey);
  border: 1px solid var(--medium-grey);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  position: relative;
  box-shadow: var(--shadow);
}

.compare-card--recommended {
  border: 2px solid var(--green);
  transform: scale(1.02);
}

.compare-card--recommended::before {
  content: 'RECOMMENDED';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--green-dark), var(--green));
  color: var(--text-white);
  padding: 6px 16px;
  border-radius: var(--radius);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
}

.compare-card h3 {
  color: var(--text-white);
  margin-bottom: var(--space-md);
  font-size: var(--text-xl);
}

.compare-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--medium-grey);
}

.compare-item:last-child {
  border-bottom: none;
}

.compare-label {
  color: var(--text-grey);
  font-size: var(--text-sm);
}

.compare-value {
  font-weight: 600;
  font-size: var(--text-sm);
}

.compare-value.positive { color: var(--green); }
.compare-value.negative { color: #EF4444; }
.compare-value.neutral { color: var(--text-white); }

/* ===== BENEFIT STRIP ===== */
.benefit-strip {
  background: var(--medium-grey);
  border: 1px solid var(--light-grey);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  text-align: center;
  margin: var(--space-2xl) 0;
  box-shadow: var(--shadow);
}

.benefit-strip p {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--text-white);
  margin: 0;
}

/* ===== FINAL CTA ===== */
.final-cta {
  background: linear-gradient(135deg, var(--black), var(--dark-grey));
  text-align: center;
  position: relative;
}

.final-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(circle at 30% 30%, rgba(76, 175, 80, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 70% 70%, rgba(27, 94, 32, 0.08) 0%, transparent 50%);
  pointer-events: none;
}

.final-cta .container {
  position: relative;
  z-index: 1;
}

.final-cta h2 {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-md);
  color: var(--text-white);
}

.final-cta p {
  font-size: var(--text-lg);
  color: var(--text-grey);
  margin-bottom: var(--space-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.final-cta .btn-primary {
  background: var(--text-white);
  color: var(--green-dark);
  font-weight: 700;
}

.final-cta .btn-primary:hover {
  background: var(--text-grey);
  transform: translateY(-2px);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
  
  .quality-grid { 
    grid-template-columns: repeat(2, 1fr); 
  }
  
  .compare-grid { 
    grid-template-columns: 1fr; 
  }
  
  .compare-card--recommended {
    transform: none;
  }
}

@media (max-width: 768px) {
  :root {
    --container-padding: 16px;
    --section-padding: 60px;
  }
  
  .metrics-grid,
  .quality-grid {
    grid-template-columns: 1fr;
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
  }
  
  .hero h1 {
    font-size: var(--text-4xl);
  }
  
  .section-title {
    font-size: var(--text-3xl);
    }
}