/* Bitcoin Brothers - Static Website Styles */

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

:root {
  --color-background: #0a0a0a;
  --color-foreground: #ededed;
  --color-primary: #f7931a;
  --color-border: #27272a;
  --color-muted: #a1a1aa;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background-color: var(--color-background);
  color: var(--color-foreground);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Navigation */
nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 64px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  transition: opacity 0.2s;
}

.nav-logo:hover {
  opacity: 0.8;
}

.nav-logo img {
  height: 40px;
  width: 40px;
}

.nav-logo span {
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--color-primary);
}

.nav-links {
  display: none;
  gap: 0.25rem;
  align-items: center;
}

.nav-links a {
  padding: 0.5rem 1rem;
  text-decoration: none;
  color: var(--color-foreground);
  border-radius: 0.375rem;
  transition: all 0.2s;
  font-size: 0.875rem;
}

.nav-links a:hover {
  background-color: rgba(247, 147, 26, 0.1);
}

.nav-links a.active {
  background-color: var(--color-primary);
  color: var(--color-background);
}

.mobile-menu-btn {
  display: block;
  background: none;
  border: none;
  color: var(--color-foreground);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1rem;
  border-top: 1px solid var(--color-border);
}

.mobile-menu.active {
  display: flex;
}

.mobile-menu a {
  padding: 0.75rem 1rem;
  text-decoration: none;
  color: var(--color-foreground);
  border-radius: 0.375rem;
  transition: all 0.2s;
  text-align: left;
}

.mobile-menu a:hover {
  background-color: rgba(247, 147, 26, 0.1);
}

.mobile-menu a.active {
  background-color: var(--color-primary);
  color: var(--color-background);
}

@media (min-width: 768px) {
  .nav-links {
    display: flex;
  }
  
  .mobile-menu-btn {
    display: none;
  }
  
  .nav-logo span {
    display: inline-block;
  }
}

@media (max-width: 640px) {
  .nav-logo span {
    display: none;
  }
}

/* Hero Section */
.hero {
  min-height: calc(100vh - 64px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 5rem 1rem;
}

.hero-content {
  max-width: 56rem;
  margin: 0 auto;
  text-align: center;
}

.hero-logo {
  margin-bottom: 3rem;
  animation: fadeIn 0.7s ease-in;
}

.hero-logo img {
  height: 10rem;
  width: 10rem;
  filter: drop-shadow(0 25px 25px rgba(0, 0, 0, 0.5));
}

.hero-title {
  margin-bottom: 1.5rem;
  animation: fadeIn 0.7s ease-in 0.15s backwards;
}

.hero-title h1 {
  font-size: 3rem;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.025em;
  color: white;
  text-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
  margin-bottom: 1.5rem;
}

.hero-divider {
  height: 4px;
  width: 8rem;
  background-color: var(--color-primary);
  margin: 0 auto 1.5rem;
  border-radius: 9999px;
}

.hero-tagline {
  font-size: 1.5rem;
  font-weight: 300;
  letter-spacing: 0.025em;
  line-height: 1.4;
}

.hero-tagline .line1 {
  color: rgba(237, 237, 237, 0.7);
}

.hero-tagline .line2 {
  color: var(--color-primary);
  font-weight: 500;
}

.hero-description {
  max-width: 48rem;
  margin: 3rem auto;
  animation: fadeIn 0.7s ease-in 0.3s backwards;
}

.hero-description p {
  font-size: 1.125rem;
  line-height: 1.75;
  color: rgba(237, 237, 237, 0.85);
  margin-bottom: 1.5rem;
}

.hero-slogan {
  margin: 3rem 0;
  animation: fadeIn 0.7s ease-in 0.5s backwards;
}

.hero-slogan p {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-primary);
}

.hero-cta {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  justify-content: center;
  padding-top: 1.5rem;
  animation: fadeIn 0.7s ease-in 0.7s backwards;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 2rem;
  font-size: 1rem;
  font-weight: 500;
  text-decoration: none;
  border-radius: 0.375rem;
  transition: all 0.2s;
  cursor: pointer;
  border: 2px solid transparent;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-background);
}

.btn-primary:hover {
  background-color: #e88b17;
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(247, 147, 26, 0.3);
}

.btn-outline {
  background-color: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-outline:hover {
  background-color: rgba(247, 147, 26, 0.1);
}

@media (min-width: 640px) {
  .hero-cta {
    flex-direction: row;
  }
}

@media (min-width: 768px) {
  .hero-logo img {
    height: 14rem;
    width: 14rem;
  }
  
  .hero-title h1 {
    font-size: 4.5rem;
  }
  
  .hero-tagline {
    font-size: 1.875rem;
  }
  
  .hero-description p {
    font-size: 1.25rem;
  }
  
  .hero-slogan p {
    font-size: 1.5rem;
  }
}

@media (min-width: 1024px) {
  .hero-title h1 {
    font-size: 6rem;
  }
  
  .hero-tagline {
    font-size: 2.25rem;
  }
}

/* Content Sections */
.content-section {
  padding: 5rem 1rem;
  max-width: 56rem;
  margin: 0 auto;
}

.content-section h1 {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 2rem;
}

.content-section h1 .highlight {
  color: var(--color-primary);
}

.content-section h2 {
  font-size: 1.875rem;
  font-weight: 700;
  margin: 2rem 0 1rem;
}

.content-section p {
  font-size: 1.125rem;
  line-height: 1.75;
  color: rgba(237, 237, 237, 0.9);
  margin-bottom: 1.5rem;
}

.content-section ul {
  list-style: none;
  margin: 1.5rem 0;
}

.content-section ul li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1rem;
  font-size: 1.125rem;
  line-height: 1.75;
}

.content-section ul li::before {
  content: "✓";
  color: var(--color-primary);
  font-weight: 700;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.card {
  background-color: rgba(39, 39, 42, 0.5);
  border: 1px solid var(--color-border);
  border-radius: 0.5rem;
  padding: 2rem;
  margin: 2rem 0;
}

.profile-image {
  display: flex;
  justify-content: center;
  margin: 2rem 0;
}

.profile-image img {
  width: 16rem;
  height: 16rem;
  object-fit: cover;
  border-radius: 0.5rem;
  border: 2px solid rgba(247, 147, 26, 0.2);
}

@media (min-width: 768px) {
  .profile-image img {
    width: 20rem;
    height: 20rem;
  }
}

/* Contact Form */
.contact-info {
  background-color: rgba(39, 39, 42, 0.5);
  border: 1px solid var(--color-border);
  border-radius: 0.5rem;
  padding: 1.5rem;
  text-align: center;
  margin: 2rem 0;
  font-size: 1.125rem;
}

.contact-info a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
}

.contact-info a:hover {
  text-decoration: underline;
}

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: 0.375rem;
  color: var(--color-foreground);
  font-size: 1rem;
  font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

.form-group textarea {
  resize: vertical;
  min-height: 150px;
}

/* Footer */
footer {
  border-top: 1px solid var(--color-border);
  padding: 3rem 1rem;
  text-align: center;
}

footer p {
  color: var(--color-muted);
  margin-bottom: 0.5rem;
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Utility Classes */
.text-center {
  text-align: center;
}

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

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