/* ============================================
   FIST BUMP LABS — Global Styles
   Brand Guidelines v3
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
  /* Color System */
  --deep-forest: #0F2E28;
  --teal-blue: #1E7A8C;
  --sage-green: #3A8C6E;
  --amber-gold: #E8A020;
  --deep-teal-green: #0F3D3A;
  --deep-navy: #1A2E4A;
  --warm-cream: #F4F1EA;
  --pale-sage: #DCE8E2;

  /* Venture Colors */
  --fbl-green: #0F2E28;
  --fbs-green: #3A7A28;
  --btb-gold: #7A5A0A;
  --spurintel-teal: #1E7A8C;
  --realestate-navy: #1A2E4A;
  --ai-deepgreen: #0F3D3A;

  /* Typography */
  --font-display: Georgia, 'Times New Roman', serif;
  --font-body: Arial, Helvetica, sans-serif;

  /* Spacing */
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 32px;
  --space-lg: 64px;
  --space-xl: 120px;
}

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

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

body {
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.75;
  color: var(--deep-forest);
  background-color: var(--warm-cream);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--teal-blue);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--sage-green);
}

/* --- Typography --- */
.display {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

h1 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  font-weight: 400;
  line-height: 1.2;
}

h2 {
  font-family: var(--font-body);
  font-size: clamp(1.1rem, 2vw, 1.375rem);
  font-weight: 700;
  line-height: 1.3;
}

h3 {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.4;
}

p {
  margin-bottom: 1em;
}

.caption {
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: #6b7c74;
}

.label {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

/* --- Layout --- */
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

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

.section--dark {
  background-color: var(--deep-forest);
  color: var(--warm-cream);
}

.section--dark a {
  color: var(--sage-green);
}

.section--dark a:hover {
  color: var(--amber-gold);
}

.section--pale {
  background-color: var(--pale-sage);
}

.section--teal {
  background-color: var(--deep-teal-green);
  color: var(--warm-cream);
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background-color: rgba(244, 241, 234, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(15, 46, 40, 0.08);
  transition: box-shadow 0.3s ease;
}

.nav.scrolled {
  box-shadow: 0 2px 20px rgba(15, 46, 40, 0.08);
}

.nav__inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 130px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--deep-forest);
}

.nav__logo img {
  height: 112px;
  width: auto;
}

.nav__logo-text {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--deep-forest);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  list-style: none;
}

.nav__links a {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--deep-forest);
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: color 0.2s ease;
}

.nav__links a:hover,
.nav__links a.active {
  color: var(--teal-blue);
}

.nav__cta {
  display: inline-block;
  padding: 10px 24px;
  background-color: var(--sage-green);
  color: var(--warm-cream) !important;
  border-radius: 4px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  transition: background-color 0.2s ease;
}

.nav__cta:hover {
  background-color: var(--teal-blue);
  color: var(--warm-cream) !important;
}

/* Mobile nav toggle */
.nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--deep-forest);
  margin: 5px 0;
  transition: all 0.3s ease;
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  padding: 14px 32px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  transition: all 0.25s ease;
  text-decoration: none;
}

.btn--primary {
  background-color: var(--sage-green);
  color: var(--warm-cream);
}

.btn--primary:hover {
  background-color: var(--teal-blue);
  color: var(--warm-cream);
}

.btn--outline {
  background-color: transparent;
  color: var(--deep-forest);
  border: 1.5px solid var(--deep-forest);
}

.btn--outline:hover {
  background-color: var(--deep-forest);
  color: var(--warm-cream);
}

.btn--light {
  background-color: transparent;
  color: var(--warm-cream);
  border: 1.5px solid var(--warm-cream);
}

.btn--light:hover {
  background-color: var(--warm-cream);
  color: var(--deep-forest);
}

.btn-group {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-top: var(--space-md);
}

/* --- Cards --- */
.card {
  background-color: var(--warm-cream);
  border-radius: 8px;
  padding: var(--space-md);
  border: 1px solid rgba(15, 46, 40, 0.06);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(15, 46, 40, 0.08);
}

.card__label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 3px;
  margin-bottom: var(--space-sm);
}

.card__label--fbl { background-color: #0F2E28; color: var(--warm-cream); }
.card__label--fbs { background-color: #3A7A28; color: var(--warm-cream); }
.card__label--btb { background-color: #7A5A0A; color: var(--warm-cream); }
.card__label--spur { background-color: #1E7A8C; color: var(--warm-cream); }
.card__label--re { background-color: #1A2E4A; color: var(--warm-cream); }
.card__label--ai { background-color: #0F3D3A; color: var(--warm-cream); }

.card h2 {
  margin-bottom: 12px;
}

.card p {
  font-size: 0.95rem;
  color: #3a4a44;
  line-height: 1.7;
}

.card a {
  font-size: 0.85rem;
  font-weight: 600;
}

/* --- Grid --- */
.grid {
  display: grid;
  gap: var(--space-md);
}

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

.grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

/* --- Forms --- */
.form-group {
  margin-bottom: var(--space-sm);
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--deep-forest);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 16px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  border: 1.5px solid rgba(15, 46, 40, 0.15);
  border-radius: 4px;
  background-color: #fff;
  color: var(--deep-forest);
  transition: border-color 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--teal-blue);
  box-shadow: 0 0 0 3px rgba(30, 122, 140, 0.1);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

/* --- Footer --- */
.footer {
  background-color: var(--deep-navy);
  color: rgba(244, 241, 234, 0.7);
  padding: var(--space-lg) 0 var(--space-md);
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer__brand {
  max-width: 320px;
}

.footer__brand-name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--warm-cream);
  margin-bottom: 8px;
}

.footer__brand p {
  font-size: 0.82rem;
  line-height: 1.6;
}

.footer__links {
  display: flex;
  gap: var(--space-lg);
}

.footer__col h3 {
  color: var(--warm-cream);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.footer__col a {
  display: block;
  font-size: 0.85rem;
  color: rgba(244, 241, 234, 0.6);
  margin-bottom: 8px;
  transition: color 0.2s ease;
}

.footer__col a:hover {
  color: var(--sage-green);
}

.footer__bottom {
  margin-top: var(--space-lg);
  padding-top: var(--space-sm);
  border-top: 1px solid rgba(244, 241, 234, 0.1);
  font-size: 0.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer__tagline {
  font-family: var(--font-display);
  font-style: italic;
  color: rgba(244, 241, 234, 0.4);
}

/* --- Utility --- */
.text-center { text-align: center; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }

/* --- Animations --- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-in {
  opacity: 0;
  animation: fadeInUp 0.6s ease forwards;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }

/* --- Responsive --- */
@media (max-width: 768px) {
  .nav__links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background-color: rgba(244, 241, 234, 0.98);
    flex-direction: column;
    padding: var(--space-md);
    gap: var(--space-sm);
    border-bottom: 1px solid rgba(15, 46, 40, 0.08);
  }

  .nav__links.open {
    display: flex;
  }

  .nav__toggle {
    display: block;
  }

  .grid--2,
  .grid--3 {
    grid-template-columns: 1fr;
  }

  .footer__inner {
    flex-direction: column;
  }

  .footer__links {
    flex-direction: column;
    gap: var(--space-md);
  }

  .footer__bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

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

  .hero {
    min-height: 80vh;
  }
}

@media (max-width: 480px) {
  .btn-group {
    flex-direction: column;
  }

  .btn {
    text-align: center;
  }
}