/* =====================================================
   IRONDEL - Main Stylesheet
   Essential Dietary Components for Men Over Forty
   ===================================================== */

/* =====================================================
   1. RESET & FOUNDATIONAL STYLES
   ===================================================== */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: 'Georgia', 'Garamond', serif;
  background-color: #F5F5DC;
  color: #333333;
  line-height: 1.6;
  letter-spacing: 0.5px;
}

/* =====================================================
   2. TYPOGRAPHY SYSTEM
   ===================================================== */

h1 {
  font-family: 'Trebuchet MS', 'Arial', sans-serif;
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.1;
  color: #2F4F4F;
  margin-bottom: 1.5rem;
  letter-spacing: -1px;
}

h2 {
  font-family: 'Trebuchet MS', 'Arial', sans-serif;
  font-size: 2.5rem;
  font-weight: 600;
  line-height: 1.2;
  color: #2F4F4F;
  margin-bottom: 1.25rem;
  margin-top: 1rem;
}

h3 {
  font-family: 'Georgia', 'Garamond', serif;
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.3;
  color: #2F4F4F;
  margin-bottom: 0.75rem;
  margin-top: 0.5rem;
}

h4 {
  font-family: 'Trebuchet MS', 'Arial', sans-serif;
  font-size: 1.25rem;
  font-weight: 600;
  color: #2F4F4F;
  margin-bottom: 0.5rem;
}

p {
  font-family: 'Georgia', 'Garamond', serif;
  font-size: 1rem;
  line-height: 1.65;
  margin-bottom: 1rem;
  color: #333333;
}

small {
  font-size: 0.875rem;
  color: #666666;
}

/* =====================================================
   3. LAYOUT & CONTAINERS
   ===================================================== */

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 40px;
}

.container-wide {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 40px;
}

.full-width-section {
  width: 100vw;
  position: relative;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
  padding: 100px 0;
}

.full-width-section.primary-bg {
  background-color: #2F4F4F;
  color: #F5F5DC;
}

.full-width-section.secondary-bg {
  background-color: #F5F5DC;
  color: #2F4F4F;
}

.full-width-section.ivory-bg {
  background-color: #FFFFFF;
  color: #333333;
}

/* =====================================================
   4. GRID SYSTEM (12-COLUMN)
   ===================================================== */

.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 40px;
  margin-bottom: 3rem;
}

.col-1  { grid-column: span 1; }
.col-2  { grid-column: span 2; }
.col-3  { grid-column: span 3; }
.col-4  { grid-column: span 4; }
.col-5  { grid-column: span 5; }
.col-6  { grid-column: span 6; }
.col-7  { grid-column: span 7; }
.col-8  { grid-column: span 8; }
.col-9  { grid-column: span 9; }
.col-10 { grid-column: span 10; }
.col-11 { grid-column: span 11; }
.col-12 { grid-column: span 12; }

/* =====================================================
   5. HEADER & NAVIGATION
   ===================================================== */

header {
  background-color: #2F4F4F;
  color: #F5F5DC;
  padding: 1.5rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 40px;
}

.logo {
  font-family: 'Trebuchet MS', 'Arial', sans-serif;
  font-size: 1.75rem;
  font-weight: 700;
  color: #B8860B;
  text-decoration: none;
  letter-spacing: 2px;
}

nav {
  display: flex;
  list-style: none;
  gap: 2rem;
}

nav a {
  color: #F5F5DC;
  text-decoration: none;
  font-size: 0.95rem;
  font-family: 'Trebuchet MS', 'Arial', sans-serif;
  font-weight: 500;
  position: relative;
  transition: color 0.3s ease;
  padding-bottom: 0.25rem;
}

nav a:hover {
  color: #B8860B;
}

nav a.active {
  color: #B8860B;
  border-bottom: 2px solid #B8860B;
}

/* =====================================================
   6. HERO SECTION
   ===================================================== */

.hero {
  background-color: #2F4F4F;
  color: #F5F5DC;
  padding: 120px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    linear-gradient(135deg, rgba(184, 134, 11, 0.1) 0%, transparent 50%),
    linear-gradient(45deg, rgba(107, 142, 35, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

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

.hero h1 {
  color: #F5F5DC;
  margin-bottom: 1rem;
}

.hero .subtitle {
  font-size: 1.25rem;
  font-family: 'Georgia', 'Garamond', serif;
  margin-bottom: 2rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  font-weight: 300;
}

/* =====================================================
   7. SECTION SPACING & BREATHING ROOM
   ===================================================== */

section {
  padding: 100px 0;
}

section:first-of-type {
  padding-top: 80px;
}

section h2 {
  margin-top: 0;
}

.spacer-large {
  height: 80px;
}

.spacer-medium {
  height: 40px;
}

/* =====================================================
   8. CARDS & MODULES
   ===================================================== */

.card {
  background-color: #FFFFFF;
  border: 1px solid #D3D3D3;
  padding: 2rem;
  border-radius: 0;
  transition: all 0.3s ease;
}

.card:hover {
  box-shadow: 0 4px 12px rgba(47, 79, 79, 0.15);
  border-color: #B8860B;
}

.card h3 {
  margin-top: 0;
  color: #2F4F4F;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

/* =====================================================
   9. IMAGES & VISUAL ELEMENTS
   ===================================================== */

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

.img-responsive {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.img-container {
  position: relative;
  overflow: hidden;
  background-color: #E8E8E0;
}

.img-shadow {
  box-shadow: 0 8px 24px rgba(47, 79, 79, 0.2);
}

/* =====================================================
   10. LISTS & CONTENT ELEMENTS
   ===================================================== */

ul, ol {
  margin-left: 2rem;
  margin-bottom: 1.5rem;
}

li {
  margin-bottom: 0.75rem;
  line-height: 1.65;
}

ul li::marker {
  color: #6B8E23;
  font-weight: 600;
}

/* =====================================================
   11. BUTTONS & INTERACTIVE ELEMENTS
   ===================================================== */

.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  font-family: 'Trebuchet MS', 'Arial', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  border: 2px solid #2F4F4F;
  background-color: transparent;
  color: #2F4F4F;
  cursor: pointer;
  transition: all 0.3s ease;
  text-align: center;
  border-radius: 0;
  letter-spacing: 0.5px;
}

.btn:hover {
  background-color: #2F4F4F;
  color: #F5F5DC;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(47, 79, 79, 0.25);
}

.btn-primary {
  background-color: #2F4F4F;
  color: #F5F5DC;
  border-color: #2F4F4F;
}

.btn-primary:hover {
  background-color: #1a2f2f;
  border-color: #1a2f2f;
}

.btn-secondary {
  background-color: #B8860B;
  color: #FFFFFF;
  border-color: #B8860B;
}

.btn-secondary:hover {
  background-color: #8a6608;
  border-color: #8a6608;
}

a {
  color: #2F4F4F;
  text-decoration: none;
  position: relative;
  transition: color 0.3s ease;
}

a:hover {
  color: #B8860B;
}

/* =====================================================
   12. FOOTER
   ===================================================== */

footer {
  background-color: #2F4F4F;
  color: #D3D3D3;
  padding: 60px 0 40px 0;
  margin-top: 80px;
  border-top: 1px solid #1a2f2f;
}

footer .container {
  padding: 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  margin-bottom: 2rem;
}

footer h4 {
  color: #B8860B;
  margin-bottom: 1rem;
}

footer a {
  color: #D3D3D3;
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

footer a:hover {
  color: #B8860B;
}

.footer-bottom {
  border-top: 1px solid #1a2f2f;
  padding-top: 2rem;
  text-align: center;
  font-size: 0.85rem;
  color: #A9A9A9;
}

/* =====================================================
   13. FORMS & INPUT ELEMENTS
   ===================================================== */

form {
  max-width: 600px;
  margin: 2rem auto;
}

.form-group {
  margin-bottom: 1.5rem;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: #2F4F4F;
  font-family: 'Trebuchet MS', 'Arial', sans-serif;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="date"],
textarea,
select {
  width: 100%;
  padding: 0.875rem;
  font-family: 'Georgia', 'Garamond', serif;
  font-size: 1rem;
  border: 1px solid #D3D3D3;
  background-color: #FFFFFF;
  color: #333333;
  transition: all 0.3s ease;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: #B8860B;
  box-shadow: 0 0 0 3px rgba(184, 134, 11, 0.1);
}

textarea {
  resize: vertical;
  min-height: 120px;
}

/* =====================================================
   14. UTILITY CLASSES
   ===================================================== */

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

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

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

.text-muted {
  color: #A9A9A9;
}

.text-accent {
  color: #B8860B;
}

.text-sage {
  color: #6B8E23;
}

.bg-light {
  background-color: #FFFFFF;
}

.bg-neutral {
  background-color: #F5F5DC;
}

.bg-dark {
  background-color: #2F4F4F;
}

.bg-sage {
  background-color: #6B8E23;
}

.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.mt-4 { margin-top: 4rem; }

.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }
.mb-4 { margin-bottom: 4rem; }

.pt-2 { padding-top: 2rem; }
.pt-3 { padding-top: 3rem; }
.pt-4 { padding-top: 4rem; }

.pb-2 { padding-bottom: 2rem; }
.pb-3 { padding-bottom: 3rem; }
.pb-4 { padding-bottom: 4rem; }

.px-2 { padding-left: 2rem; padding-right: 2rem; }
.px-3 { padding-left: 3rem; padding-right: 3rem; }

/* =====================================================
   15. RESPONSIVE DESIGN
   ===================================================== */

@media (max-width: 1024px) {
  .container, .container-wide {
    padding: 0 30px;
  }

  h1 {
    font-size: 2.5rem;
  }

  h2 {
    font-size: 2rem;
  }

  .grid {
    gap: 30px;
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .container, .container-wide {
    padding: 0 20px;
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  h3 {
    font-size: 1.25rem;
  }

  nav {
    gap: 1rem;
  }

  nav a {
    font-size: 0.85rem;
  }

  .grid {
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
  }

  .col-1, .col-2, .col-3, .col-4, .col-5, .col-6,
  .col-7, .col-8, .col-9, .col-10, .col-11, .col-12 {
    grid-column: span 6;
  }

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

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

  section {
    padding: 60px 0;
  }

  .full-width-section {
    padding: 60px 0;
  }

  .hero {
    padding: 80px 0;
  }

  .hero h1 {
    font-size: 1.75rem;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 1.5rem;
  }

  h2 {
    font-size: 1.25rem;
  }

  p {
    font-size: 0.95rem;
  }

  .logo {
    font-size: 1.25rem;
  }

  nav {
    gap: 0.75rem;
  }

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

  .col-1, .col-2, .col-3, .col-4, .col-5, .col-6,
  .col-7, .col-8, .col-9, .col-10, .col-11, .col-12 {
    grid-column: span 1;
  }

  .btn {
    width: 100%;
  }

  section {
    padding: 40px 0;
  }
}