/* ================================
   HURF Chapter - Component Styles
   Navigation, Buttons, Cards, Forms
   ================================ */

/* ===== HEADER & NAVIGATION ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(15, 12, 41, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  z-index: 1000;
  transition: all 0.3s ease;
}

.header.scrolled {
  background: rgba(15, 12, 41, 0.95);
  border-bottom-color: rgba(255, 255, 255, 0.15);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  min-height: 80px;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.navbar-logo img {
  height: 60px;
  width: auto;
  transition: transform 0.3s ease;
}

.navbar-logo:hover img {
  transform: scale(1.02);
}

.navbar-brand {
  font-size: 1.25rem;
  font-weight: 600;
  color: white;
  white-space: nowrap;
  letter-spacing: -0.01em;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.nav-link {
  color: rgba(255, 255, 255, 0.75);
  font-weight: 500;
  font-size: 0.875rem;
  letter-spacing: 0.01em;
  padding: 10px 16px;
  border-radius: 8px;
  transition: all 0.2s ease;
  position: relative;
  text-transform: none;
}

.nav-link:hover {
  color: white;
  background: rgba(255, 255, 255, 0.08);
}

.nav-link.active {
  color: white;
  background: rgba(255, 255, 255, 0.12);
}

/* Join Now button in nav */
.nav-menu .btn.btn-primary {
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  border: none;
  padding: 10px 20px;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 10px;
  text-transform: none;
  letter-spacing: 0;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
  transition: all 0.3s ease;
}

.nav-menu .btn.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

.nav-menu .btn.btn-primary.active {
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: white;
  font-size: 1.25rem;
  cursor: pointer;
  padding: 10px 14px;
  border-radius: 10px;
  transition: all 0.2s ease;
}

.mobile-menu-toggle:hover {
  background: rgba(255, 255, 255, 0.15);
}

@media (max-width: 768px) {
  .navbar {
    padding: 10px 0;
    min-height: 70px;
  }

  .navbar-logo img {
    height: 50px;
  }

  .nav-menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(15, 12, 41, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 20px;
    gap: 8px;
    transform: translateY(-100%);
    opacity: 0;
    transition: all 0.3s ease;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
  }

  .mobile-menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .nav-link {
    width: 100%;
    text-align: center;
    padding: 14px 20px;
  }

  .nav-menu .btn.btn-primary {
    width: 100%;
    margin-top: 8px;
    padding: 14px 20px;
  }
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-block;
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-base);
  font-weight: 600;
  text-align: center;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  border: 2px solid transparent;
  text-decoration: none;
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.btn:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(211, 47, 47, 0.3);
}

/* Primary Button - Red */
.btn-primary {
  background-color: var(--patriot-red);
  color: var(--white);
  border-color: var(--patriot-red);
}

.btn-primary:hover {
  background-color: var(--patriot-red-dark);
  border-color: var(--patriot-red-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* Secondary Button - Navy Outline */
.btn-secondary {
  background-color: transparent;
  color: var(--navy-blue);
  border-color: var(--navy-blue);
}

.btn-secondary:hover {
  background-color: var(--navy-blue);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* White Button */
.btn-white {
  background-color: var(--white);
  color: var(--navy-blue);
  border-color: var(--white);
}

.btn-white:hover {
  background-color: var(--off-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Ghost Button - Transparent */
.btn-ghost {
  background-color: transparent;
  color: var(--white);
  border-color: var(--white);
}

.btn-ghost:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: var(--gold-accent);
  color: var(--gold-accent);
}

/* Button Sizes */
.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-lg);
}

.btn-block {
  width: 100%;
  display: block;
}

/* ===== CARDS ===== */
.card {
  background-color: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--space-6);
  transition: all var(--transition-base);
  border: 1px solid var(--border-light);
}

.card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
  border-color: var(--patriot-red);
}

.card-icon {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--patriot-red), var(--patriot-red-light));
  border-radius: var(--radius-xl);
  margin-bottom: var(--space-4);
  color: var(--white);
  font-size: var(--text-3xl);
}

.card-title {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--navy-blue);
  margin-bottom: var(--space-3);
}

.card-description {
  color: var(--text-secondary);
  font-size: var(--text-base);
  line-height: 1.6;
  margin-bottom: var(--space-4);
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--patriot-red);
  font-weight: 600;
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: gap var(--transition-fast);
}

.card-link:hover {
  gap: var(--space-3);
}

/* Horizontal Card */
.card-horizontal {
  display: flex;
  gap: var(--space-6);
  align-items: center;
}

.card-horizontal .card-icon {
  margin-bottom: 0;
}

@media (max-width: 768px) {
  .card-horizontal {
    flex-direction: column;
  }

  .card-horizontal .card-icon {
    margin-bottom: var(--space-4);
  }
}

/* ===== FORMS ===== */
.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-weight: 600;
  color: var(--navy-blue);
  margin-bottom: var(--space-2);
  font-size: var(--text-sm);
}

.form-label-required::after {
  content: ' *';
  color: var(--patriot-red);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  font-family: var(--font-body);
  color: var(--text-primary);
  background-color: var(--white);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--navy-blue);
  box-shadow: 0 0 0 3px rgba(26, 35, 126, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-light);
}

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

.form-error {
  display: none;
  color: var(--error);
  font-size: var(--text-sm);
  margin-top: var(--space-2);
}

.form-group.error .form-error {
  display: block;
}

.form-group.error .form-input,
.form-group.error .form-select,
.form-group.error .form-textarea {
  border-color: var(--error);
}

.form-success {
  color: var(--success);
  font-size: var(--text-sm);
  margin-top: var(--space-2);
}

/* Checkboxes & Radio Buttons */
.checkbox-group,
.radio-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.checkbox-label,
.radio-label {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
  color: var(--text-secondary);
  font-size: var(--text-base);
}

.checkbox-label input[type="checkbox"],
.radio-label input[type="radio"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
}

/* ===== FOOTER ===== */
.footer {
  background-color: var(--navy-blue);
  color: var(--white);
  padding: var(--space-10) 0 var(--space-6) 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}

.footer-column h4 {
  color: var(--white);
  font-size: var(--text-lg);
  margin-bottom: var(--space-4);
  font-weight: 600;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--space-3);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--text-sm);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--gold-accent);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-6);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.7);
}

.social-links {
  display: flex;
  gap: var(--space-4);
}

.social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  color: var(--white);
  transition: all var(--transition-fast);
}

.social-link:hover {
  background-color: var(--patriot-red);
  transform: translateY(-2px);
}

@media (max-width: 768px) {
  .footer-bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }
}

/* ===== HERO TABS (Multi-Tab Hero Section) ===== */
.hero-tabs {
  background: linear-gradient(135deg, rgba(26, 35, 126, 0.92) 0%, rgba(13, 19, 66, 0.92) 100%),
              url('../images/hero-background.jpg') center center / cover no-repeat;
  padding: calc(var(--header-height) + var(--space-10)) 0 var(--space-10) 0;
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.hero-tabs::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(26, 35, 126, 0.4);
  pointer-events: none;
}

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

.hero-logo {
  text-align: center;
  margin-bottom: var(--space-8);
}

.hero-logo img {
  margin: 0 auto;
  max-width: 180px;
  height: auto;
}

.hero-tagline {
  text-align: center;
  font-size: var(--text-2xl);
  font-weight: 300;
  color: var(--gold-accent);
  margin-bottom: var(--space-8);
  letter-spacing: 0.02em;
}

.tab-buttons {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
  flex-wrap: wrap;
}

.tab-button {
  padding: var(--space-3) var(--space-6);
  background-color: var(--white);
  color: var(--navy-blue);
  border: 2px solid var(--navy-blue);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-family: var(--font-heading);
}

.tab-button:hover {
  color: var(--white);
  background-color: var(--navy-blue);
  border-color: var(--navy-blue);
}

.tab-button.active {
  color: var(--white);
  background-color: var(--patriot-red);
  border-color: var(--patriot-red);
}

.tab-content-container {
  min-height: 400px;
  position: relative;
}

.tab-content {
  display: none;
  animation: fadeIn 0.5s ease-in-out;
}

.tab-content.active {
  display: block;
}

.hero-ctas {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  margin-top: var(--space-8);
  flex-wrap: wrap;
}

@media (max-width: 768px) {
  .hero-tabs {
    padding: calc(var(--header-height) + var(--space-6)) 0 var(--space-6) 0;
  }

  .hero-tagline {
    font-size: var(--text-lg);
  }

  .tab-buttons {
    flex-direction: column;
    align-items: stretch;
  }

  .tab-button {
    width: 100%;
  }

  .hero-ctas {
    flex-direction: column;
  }

  .hero-ctas .btn {
    width: 100%;
  }
}

/* ===== INITIATIVE CARDS (for Tab 3) ===== */
.initiative-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
}

.initiative-card {
  background-color: rgba(255, 255, 255, 0.95);
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all var(--transition-base);
}

.initiative-card:hover {
  background-color: var(--white);
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.initiative-card-icon {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-3);
}

.initiative-card-title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--navy-blue);
  margin-bottom: var(--space-2);
}

.initiative-card-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ===== STATS SECTION ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-6);
}

.stat-card {
  text-align: center;
  padding: var(--space-6);
  background-color: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.stat-number {
  font-size: var(--text-5xl);
  font-weight: 700;
  color: var(--patriot-red);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

/* ===== PAGE HERO ===== */
.page-hero {
  background: linear-gradient(135deg, #0f0c29 0%, #302b63 50%, #24243e 100%);
  padding: calc(var(--header-height) + var(--space-10)) 0 var(--space-10) 0;
  color: var(--white);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(99, 102, 241, 0.2) 0%, transparent 50%);
  pointer-events: none;
}

.page-hero h1 {
  color: var(--white);
  margin-bottom: var(--space-4);
  position: relative;
  z-index: 1;
}

.page-hero p {
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--text-lg);
  max-width: 600px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* ===== LOADING SPINNER ===== */
.spinner {
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-top: 3px solid var(--patriot-red);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spin 1s linear infinite;
  margin: 0 auto;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}