:root {
  /* Crimson Men's Care Palette */
  --bg-canvas: #f3f0fa; /* Pale lilac base */
  --bg-surface: #ffffff; /* Elevated panel */
  --text-primary: #334155; /* Slate */
  --text-muted: #64748b;
  --accent-crimson: #dc2626; /* Crimson */
  --accent-hover: #b91c1c;
  
  /* Layout & Corners */
  --radius-main: 20px;
  --border-thin: 1px solid var(--text-primary);
  
  /* Typography */
  --font-body: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, Consolas, "Courier New", monospace;
  
  /* Animations */
  --ease-kinetic: cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  margin: 0;
  padding: 2vw;
  background-color: #e2dcf2; /* Slightly darker than canvas for contrast outside frame */
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-wrap: anywhere;
  hyphens: auto;
}

/* The Inset Frame Pattern */
.page-frame {
  background-color: var(--bg-canvas);
  border: var(--border-thin);
  border-radius: var(--radius-main);
  min-height: calc(100vh - 4vw);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
}

/* Typography Elements */
h1, h2, h3, h4, h5, h6 {
  margin-top: 0;
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}
h1 { font-size: clamp(2rem, 5vw, 3.5rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.5rem, 4vw, 2.5rem); }
h3 { font-size: 1.25rem; }

.mono-label, .stat-number, .panel-heading {
  font-family: var(--font-mono);
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
}

p { margin-top: 0; margin-bottom: 1.5rem; }
a { color: var(--accent-crimson); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--accent-hover); }

/* Standard Utilities */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}
.text-center { text-align: center; }
.reveal { opacity: 0; transform: translateY(20px); transition: all 0.7s var(--ease-kinetic); }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* Header & Nav */
.site-header {
  padding: 1.5rem 0;
  border-bottom: var(--border-thin);
  position: relative; /* Unpinned on scroll */
}
.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.brand-logo {
  font-family: var(--font-mono);
  font-weight: bold;
  font-size: 1.1rem;
  color: var(--text-primary);
  text-decoration: none;
}
.brand-logo span { color: var(--accent-crimson); }

.desktop-nav { display: flex; gap: 2rem; }
.desktop-nav a {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-primary);
  text-transform: uppercase;
}
.desktop-nav a:hover { color: var(--accent-crimson); }

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-primary);
  cursor: pointer;
  padding: 0.5rem;
}
.mobile-nav-panel {
  display: none;
  border-top: var(--border-thin);
  padding: 1rem 2rem;
  background: var(--bg-surface);
}
.mobile-nav-panel.active { display: flex; flex-direction: column; gap: 1rem; }

@media (max-width: 768px) {
  .desktop-nav { display: none; }
  .mobile-menu-btn { display: block; }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  background-color: var(--bg-surface);
  color: var(--text-primary);
  border: 2px solid var(--text-primary);
  border-radius: var(--radius-main);
  font-family: var(--font-mono);
  font-weight: bold;
  text-transform: uppercase;
  font-size: 0.85rem;
  cursor: pointer;
  box-shadow: 4px 4px 0 var(--text-primary);
  transition: transform 0.1s, box-shadow 0.1s;
}
.btn-primary { background-color: var(--accent-crimson); color: white; }
.btn:hover {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--text-primary);
}

/* Hero Section */
.hero-section {
  padding: 4rem 0;
  display: flex;
  align-items: center;
  position: relative;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}
.hero-content { max-width: 600px; }
.hero-image-wrapper {
  position: relative;
  border-radius: var(--radius-main);
  border: var(--border-thin);
  overflow: hidden;
  aspect-ratio: 4/5;
}
.hero-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.floating-fact-card {
  position: absolute;
  bottom: 2rem;
  left: -2rem;
  background: var(--bg-surface);
  border: var(--border-thin);
  border-radius: var(--radius-main);
  padding: 1.5rem;
  width: 280px;
  box-shadow: 4px 4px 0 rgba(0,0,0,0.1);
  z-index: 2;
}
.floating-fact-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.floating-fact-card li {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  margin-bottom: 0.75rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px dashed #cbd5e1;
}
.floating-fact-card li:last-child { margin-bottom: 0; padding-bottom: 0; border-bottom: none; }

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .floating-fact-card { left: 1rem; right: 1rem; width: auto; bottom: 1rem; }
}

/* Grid Systems */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin: 3rem 0;
}
.card {
  background: var(--bg-surface);
  border: var(--border-thin);
  border-radius: var(--radius-main);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.card-img-wrap {
  position: relative;
  aspect-ratio: 16/9;
  border-bottom: var(--border-thin);
}
.card-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.card-badge {
  position: absolute;
  top: 1rem;
  right: -0.5rem;
  background: var(--accent-crimson);
  color: white;
  padding: 0.25rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  border-radius: 20px;
  box-shadow: 2px 2px 0 var(--text-primary);
}
.card-content { padding: 1.5rem; flex-grow: 1; }

/* Stat Strips */
.stat-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  background: var(--bg-surface);
  border: var(--border-thin);
  border-radius: var(--radius-main);
  padding: 2rem;
  margin: 3rem 0;
}
.stat-item { text-align: center; }
.stat-number { font-size: 2.5rem; color: var(--accent-crimson); display: block; margin-bottom: 0.5rem; font-weight: bold; }
.stat-label { font-size: 0.9rem; color: var(--text-muted); }

/* Tabs Component */
.tabs-container { margin: 3rem 0; }
.tab-headers {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
  border-bottom: var(--border-thin);
  padding-bottom: 1rem;
}
.tab-btn {
  background: none; border: none;
  font-family: var(--font-mono);
  font-size: 1rem;
  cursor: pointer;
  color: var(--text-muted);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-main);
  transition: all 0.2s;
}
.tab-btn.active { background: var(--text-primary); color: white; }
.tab-panel { display: none; background: var(--bg-surface); border: var(--border-thin); border-radius: var(--radius-main); padding: 2rem; }
.tab-panel.active { display: block; animation: fadeIn 0.4s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(5px); } to { opacity: 1; transform: translateY(0); } }

/* Accordion */
.accordion { margin: 2rem 0; border-top: var(--border-thin); }
.accordion-item { border-bottom: var(--border-thin); }
.accordion-btn {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 1.5rem 0;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: bold;
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}
.accordion-inner { padding-bottom: 1.5rem; color: var(--text-muted); }
.accordion-btn::after { content: '+'; font-size: 1.5rem; }
.accordion-item.active .accordion-btn::after { content: '-'; }
.accordion-item.active .accordion-content { max-height: 500px; }

/* Regimen Builder / Forms */
.builder-panel {
  background: var(--bg-surface);
  border: var(--border-thin);
  border-radius: var(--radius-main);
  padding: 3rem;
  margin: 4rem 0;
}
.form-group { margin-bottom: 1.5rem; }
.form-group label { display: block; font-family: var(--font-mono); font-size: 0.85rem; margin-bottom: 0.5rem; }
.form-control {
  width: 100%;
  padding: 0.75rem;
  border: var(--border-thin);
  border-radius: 8px; /* Slightly softer for inputs */
  font-family: var(--font-body);
  background: var(--bg-canvas);
}
select.form-control { cursor: pointer; }
.builder-result {
  margin-top: 2rem;
  background: #1e293b; /* Dark terminal look for output */
  color: #f8fafc;
  padding: 1.5rem;
  border-radius: 8px;
  font-family: var(--font-mono);
  white-space: pre-wrap;
  font-size: 0.9rem;
  display: none;
}
.builder-actions { margin-top: 1rem; display: none; gap: 1rem; }

/* Footer - Terminal Style */
.site-footer {
  margin-top: auto;
  border-top: var(--border-thin);
  background: var(--text-primary);
  color: #f1f5f9;
  padding: 2rem 0;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}
.footer-terminal {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.footer-terminal a { color: #f1f5f9; text-decoration: none; }
.footer-terminal a:hover { color: var(--accent-crimson); }
.footer-terminal span { color: #64748b; }
.footer-legal { text-align: center; color: #94a3b8; font-size: 0.75rem; }

/* Content Article Pages */
.article-header { padding: 4rem 0 2rem; text-align: center; max-width: 800px; margin: 0 auto; }
.article-content { max-width: 72ch; margin: 0 auto 4rem; font-size: 1.1rem; }
.article-content h2 { margin-top: 3rem; }
.article-content img { width: 100%; border-radius: var(--radius-main); margin: 2rem 0; border: var(--border-thin); }
.table-wrapper { overflow-x: auto; margin: 2rem 0; }
table { width: 100%; border-collapse: collapse; background: var(--bg-surface); border: var(--border-thin); }
th, td { padding: 1rem; text-align: left; border-bottom: 1px solid #cbd5e1; }
th { font-family: var(--font-mono); background: #f8fafc; }

@media (prefers-reduced-motion: reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}