/* ===================================
   Peptide Pump - Athletic Design System
   Archetype: Athletic/Performance
   Target: Athletes, bodybuilders, fitness enthusiasts
   =================================== */

/* ===== GOOGLE FONTS ===== */
@import url('https://fonts.googleapis.com/css2?family=Anton&family=Oswald:wght@400;600;700&display=swap');

/* ===== CSS VARIABLES ===== */
:root {
  /* Brand Colors */
  --primary-crimson: #DC143C;
  --primary-gray: #71797E;
  --accent-orange: #FF6700;
  --primary-black: #000000;
  --dark-gray: #1A1A1A;
  --light-gray: #333333;
  --off-white: #F5F5F5;

  /* Typography */
  --font-header: 'Anton', sans-serif;
  --font-body: 'Oswald', sans-serif;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 4rem;

  /* Effects */
  --shadow-sm: 0 2px 8px rgba(220, 20, 60, 0.2);
  --shadow-md: 0 4px 16px rgba(220, 20, 60, 0.3);
  --shadow-lg: 0 8px 32px rgba(220, 20, 60, 0.4);
}

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

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

body {
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  color: var(--off-white);
  background: linear-gradient(135deg, var(--primary-black) 0%, var(--dark-gray) 100%);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-header);
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
  color: var(--primary-crimson);
  text-transform: uppercase;
  letter-spacing: 1px;
}

h1 {
  font-size: 3.5rem;
  margin-bottom: var(--spacing-md);
  text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

h2 {
  font-size: 2.5rem;
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  border-left: 6px solid var(--accent-orange);
  padding-left: var(--spacing-sm);
  background: linear-gradient(90deg, rgba(220,20,60,0.1) 0%, transparent 100%);
  padding: var(--spacing-sm);
}

h3 {
  font-size: 1.75rem;
  margin-top: var(--spacing-md);
  color: var(--accent-orange);
}

h4 {
  font-size: 1.4rem;
  margin-top: var(--spacing-sm);
  color: var(--off-white);
}

p {
  margin-bottom: var(--spacing-sm);
  font-size: 1.125rem;
  color: var(--off-white);
  font-weight: 300;
}

a {
  color: var(--primary-crimson);
  text-decoration: none;
  transition: all 0.3s ease;
  font-weight: 600;
  border-bottom: 2px solid transparent;
}

a:hover {
  color: var(--accent-orange);
  border-bottom-color: var(--accent-orange);
  transform: translateX(2px);
}

strong, b {
  font-weight: 700;
  color: var(--primary-crimson);
}

/* ===== LAYOUT ===== */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.content-wrapper {
  max-width: 1000px;
  margin: 0 auto;
}

/* ===== HEADER & NAVIGATION ===== */
header {
  background: linear-gradient(135deg, var(--primary-black) 0%, var(--dark-gray) 50%, var(--primary-black) 100%);
  color: white;
  padding: var(--spacing-md) 0;
  box-shadow: var(--shadow-lg);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 4px solid var(--primary-crimson);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.logo {
  font-family: var(--font-header);
  font-size: 2.5rem;
  color: var(--primary-crimson);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  text-shadow: 2px 2px 8px rgba(220,20,60,0.5);
}

.logo:hover {
  color: var(--accent-orange);
  transform: scale(1.05);
  border: none;
}

.logo-icon {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--primary-crimson) 0%, var(--accent-orange) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.75rem;
  box-shadow: 0 4px 16px rgba(220,20,60,0.4);
}

nav ul {
  list-style: none;
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

nav a {
  color: var(--off-white);
  font-family: var(--font-header);
  font-weight: 400;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 0.75rem 1.25rem;
  border-radius: 4px;
  transition: all 0.3s ease;
  border: 2px solid transparent;
  background: linear-gradient(135deg, var(--light-gray) 0%, var(--dark-gray) 100%);
}

nav a:hover {
  background: linear-gradient(135deg, var(--primary-crimson) 0%, var(--accent-orange) 100%);
  color: white;
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-bottom: none;
}

/* ===== HERO SECTION ===== */
.hero {
  background: linear-gradient(135deg, var(--primary-black) 0%, var(--dark-gray) 50%, var(--primary-black) 100%);
  padding: var(--spacing-xl) 0;
  border-bottom: 6px solid var(--primary-crimson);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: -50%;
  width: 200%;
  height: 100%;
  background: linear-gradient(45deg, transparent 30%, rgba(220,20,60,0.05) 50%, transparent 70%);
  animation: shine 3s infinite;
}

@keyframes shine {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.hero h1 {
  color: var(--primary-crimson);
  margin-bottom: var(--spacing-md);
  position: relative;
  z-index: 1;
}

.hero-subtitle {
  font-size: 1.5rem;
  color: var(--off-white);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  line-height: 1.4;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.hero-image {
  width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: var(--shadow-lg);
  margin-top: var(--spacing-md);
  border: 4px solid var(--primary-crimson);
}

/* ===== MAIN CONTENT ===== */
main {
  padding: var(--spacing-xl) 0;
  min-height: 60vh;
}

article {
  background: linear-gradient(135deg, var(--dark-gray) 0%, var(--light-gray) 100%);
  padding: var(--spacing-lg);
  border-radius: 8px;
  box-shadow: var(--shadow-md);
  margin-bottom: var(--spacing-lg);
  border: 2px solid var(--primary-crimson);
}

/* ===== LISTS ===== */
ul, ol {
  margin: var(--spacing-sm) 0 var(--spacing-md) var(--spacing-md);
  padding-left: var(--spacing-md);
}

ul li, ol li {
  margin-bottom: var(--spacing-sm);
  line-height: 1.8;
  font-size: 1.125rem;
  color: var(--off-white);
}

ul li::marker {
  color: var(--accent-orange);
  font-weight: bold;
  font-size: 1.5rem;
}

ol li::marker {
  color: var(--primary-crimson);
  font-weight: 700;
}

/* ===== CALLOUT BOXES (Q&A FORMAT) ===== */
.question-box {
  background: linear-gradient(135deg, var(--primary-crimson) 0%, #B01030 100%);
  border-left: 6px solid var(--accent-orange);
  padding: var(--spacing-md);
  margin: var(--spacing-md) 0;
  border-radius: 8px;
  box-shadow: var(--shadow-lg);
}

.question-box h3 {
  margin-top: 0;
  color: white;
  font-size: 1.75rem;
}

.answer-box {
  background: linear-gradient(135deg, var(--light-gray) 0%, var(--dark-gray) 100%);
  border-left: 6px solid var(--primary-crimson);
  padding: var(--spacing-md);
  margin: var(--spacing-md) 0;
  border-radius: 8px;
  box-shadow: var(--shadow-sm);
}

/* ===== BUTTONS & CTAs ===== */
.btn {
  display: inline-block;
  padding: 1rem 2.5rem;
  background: linear-gradient(135deg, var(--primary-crimson) 0%, #B01030 100%);
  color: white;
  font-family: var(--font-header);
  font-weight: 400;
  font-size: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-md);
  text-decoration: none;
}

.btn:hover {
  background: linear-gradient(135deg, var(--accent-orange) 0%, #FF8C00 100%);
  transform: translateY(-4px) scale(1.05);
  box-shadow: var(--shadow-lg);
  color: white;
  border: none;
}

.btn-secondary {
  background: linear-gradient(135deg, var(--primary-gray) 0%, #5A6268 100%);
  border: 2px solid var(--primary-crimson);
}

.btn-secondary:hover {
  background: linear-gradient(135deg, var(--primary-crimson) 0%, var(--accent-orange) 100%);
  border-color: var(--accent-orange);
}

/* ===== PROTOCOL CARDS ===== */
.protocol-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
  margin: var(--spacing-md) 0;
}

.protocol-card {
  background: linear-gradient(135deg, var(--dark-gray) 0%, var(--light-gray) 100%);
  border: 3px solid var(--primary-crimson);
  border-radius: 8px;
  padding: var(--spacing-md);
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
}

.protocol-card:hover {
  border-color: var(--accent-orange);
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px) scale(1.02);
}

.protocol-card h3 {
  color: var(--primary-crimson);
  margin-top: 0;
  border-bottom: 3px solid var(--accent-orange);
  padding-bottom: var(--spacing-xs);
  margin-bottom: var(--spacing-sm);
}

/* ===== FOOTER ===== */
footer {
  background: linear-gradient(135deg, var(--primary-black) 0%, var(--dark-gray) 100%);
  color: var(--off-white);
  padding: var(--spacing-lg) 0 var(--spacing-md);
  margin-top: var(--spacing-xl);
  border-top: 4px solid var(--primary-crimson);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.footer-section h3 {
  color: var(--accent-orange);
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
}

.footer-section ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-section li {
  margin-bottom: var(--spacing-xs);
}

.footer-section a {
  color: var(--off-white);
  font-size: 1rem;
  transition: color 0.3s ease;
  border: none;
  font-weight: 400;
}

.footer-section a:hover {
  color: var(--primary-crimson);
  border: none;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--spacing-sm);
  text-align: center;
  font-size: 0.875rem;
  color: var(--primary-gray);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 968px) {
  html {
    font-size: 15px;
  }

  .header-content {
    flex-direction: column;
    text-align: center;
  }

  nav ul {
    justify-content: center;
  }

  h1 {
    font-size: 2.75rem;
  }

  h2 {
    font-size: 2rem;
  }

  .protocol-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  html {
    font-size: 14px;
  }

  .container {
    padding: 0 var(--spacing-sm);
  }

  article {
    padding: var(--spacing-md);
  }

  h1 {
    font-size: 2.25rem;
  }

  nav ul {
    flex-direction: column;
    width: 100%;
  }

  nav a {
    width: 100%;
    text-align: center;
  }
}

/* ===== UTILITY CLASSES ===== */
.text-center {
  text-align: center;
}

.text-crimson {
  color: var(--primary-crimson);
}

.text-orange {
  color: var(--accent-orange);
}

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

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }