/* ==========================================================================
   GRAND ENTERPRISES - CORE DESIGN SYSTEM & UNIVERSAL STYLES
   Domain: grandenterprises.online
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&family=Syne:wght@600;700;800&display=swap');

:root {
  /* Brand Palette */
  --primary: #132238;
  --primary-dark: #0A1320;
  --secondary: #254E70;
  --secondary-light: #3A6D9A;
  --accent: #D4AF37;
  --accent-hover: #E5C354;
  
  --bg-body: #F5F7FA;
  --bg-card: #FFFFFF;
  --text-main: #1F2937;
  --text-muted: #6B7280;
  --white: #FFFFFF;
  
  --border-subtle: rgba(19, 34, 56, 0.08);
  --border-gold: rgba(212, 175, 55, 0.4);
  
  /* Shadows */
  --shadow-sm: 0 4px 12px rgba(19, 34, 56, 0.04);
  --shadow-md: 0 12px 28px rgba(19, 34, 56, 0.08);
  --shadow-lg: 0 24px 48px rgba(19, 34, 56, 0.12);
  --shadow-gold: 0 8px 20px rgba(212, 175, 55, 0.25);

  /* Radii */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;

  /* Transitions */
  --transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
}

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

body {
  font-family: 'Manrope', sans-serif;
  background-color: var(--bg-body);
  color: var(--text-main);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Syne', sans-serif;
  color: var(--primary);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.015em;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

ul {
  list-style: none;
}

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

.container {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section-padding {
  padding: 6.5rem 0;
}

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 1rem 2.2rem;
  font-family: 'Manrope', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  border: none;
}

.btn-accent {
  background: var(--accent);
  color: var(--primary-dark);
  box-shadow: var(--shadow-gold);
}

.btn-accent:hover {
  background: var(--accent-hover);
  transform: translateY(-3px);
  box-shadow: 0 14px 28px rgba(212, 175, 55, 0.35);
}

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

.btn-primary:hover {
  background: var(--secondary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-3px);
}

/* HEADER & NAVBAR */
.sticky-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: 0 2px 20px rgba(19, 34, 56, 0.05);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 88px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.logo-icon {
  width: 45px;
  height: 45px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--accent);
  border: 2px solid var(--accent);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Syne', sans-serif;
  font-size: 1.35rem;
  font-weight: 800;
}

.logo-text-wrapper {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-family: 'Syne', sans-serif;
  font-size: 1.38rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.1;
}

.logo-subtitle {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--secondary);
  font-weight: 700;
}

/* NAV LINKS */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.6rem;
}

.nav-link {
  font-family: 'Manrope', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-main);
  position: relative;
  padding: 0.4rem 0;
}

.nav-link:hover, .nav-link.active {
  color: var(--secondary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--accent);
  transition: var(--transition);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.nav-auth-buttons {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.btn-nav-login {
  font-weight: 700;
  color: var(--primary);
  padding: 0.6rem 1.2rem;
}

.btn-nav-register {
  background: var(--primary);
  color: var(--accent);
  padding: 0.65rem 1.4rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
  border: 1px solid var(--accent);
}

.btn-nav-register:hover {
  background: var(--secondary);
  color: var(--white);
}

#userGreetingNav {
  display: none;
  align-items: center;
  gap: 0.8rem;
  background: rgba(37, 78, 112, 0.08);
  padding: 0.45rem 1rem;
  border-radius: 30px;
  border: 1px solid rgba(37, 78, 112, 0.2);
}

#userGreetingNav span {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--secondary);
}

.btn-logout {
  font-size: 0.8rem;
  color: #DC2626;
  font-weight: 700;
  cursor: pointer;
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  background: none;
  border: none;
}

.nav-hamburger span {
  width: 28px;
  height: 3px;
  background: var(--primary);
  border-radius: 3px;
  transition: var(--transition);
}

/* SECTION HEADERS */
.section-header-top {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 4rem auto;
}

.section-tag {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--secondary);
  background: rgba(37, 78, 112, 0.1);
  padding: 0.45rem 1.1rem;
  border-radius: 30px;
  margin-bottom: 1rem;
}

.section-title {
  font-size: 2.6rem;
  margin-bottom: 1.2rem;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
}

/* GLASS CARD CONTAINER */
.grand-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2.5rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.grand-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-5px);
  border-color: var(--border-gold);
}

/* UNIVERSAL FORM STYLES */
.form-group {
  margin-bottom: 1.5rem;
  width: 100%;
}

.form-group label {
  display: block;
  font-family: 'Syne', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--primary);
}

.form-control {
  width: 100%;
  display: block;
  padding: 0.95rem 1.2rem;
  font-family: 'Manrope', sans-serif;
  font-size: 1rem;
  color: var(--text-main);
  border: 1px solid #D1D5DB;
  border-radius: var(--radius-sm);
  background: #FAFAFA;
  transition: var(--transition);
  box-sizing: border-box;
}

.form-control:focus {
  outline: none;
  border-color: var(--secondary);
  background: var(--white);
  box-shadow: 0 0 0 4px rgba(37, 78, 112, 0.12);
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  margin: 1.5rem 0;
  background: rgba(212, 175, 55, 0.08);
  padding: 1.2rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(212, 175, 55, 0.35);
}

.checkbox-group input[type="checkbox"] {
  margin-top: 4px;
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
  cursor: pointer;
  flex-shrink: 0;
}

.checkbox-group label {
  font-size: 0.88rem;
  color: var(--text-main);
  line-height: 1.6;
  cursor: pointer;
}

/* FOOTER */
.site-footer {
  background: var(--primary);
  color: var(--white);
  padding: 5rem 0 2rem 0;
  border-top: 4px solid var(--accent);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1.2fr 1.2fr 1.5fr;
  gap: 3.5rem;
  margin-bottom: 4rem;
}

.footer-brand p {
  color: #9CA3AF;
  font-size: 0.95rem;
  margin-top: 1rem;
  line-height: 1.8;
}

.footer-col h4 {
  color: var(--white);
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
  position: relative;
  padding-bottom: 0.6rem;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 40px;
  height: 3px;
  background: var(--accent);
}

.footer-links li {
  margin-bottom: 0.85rem;
}

.footer-links a {
  color: #9CA3AF;
  font-size: 0.95rem;
}

.footer-links a:hover {
  color: var(--accent);
  padding-left: 6px;
}

.footer-contact-info li {
  color: #9CA3AF;
  font-size: 0.95rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #9CA3AF;
  font-size: 0.9rem;
}

/* TOAST NOTIFICATIONS */
.toast-box {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--primary);
  color: var(--white);
  border-left: 4px solid var(--accent);
  padding: 1rem 1.6rem;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  z-index: 10000;
  font-weight: 600;
  animation: slideIn 0.35s ease forwards;
}

@keyframes slideIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-menu, .nav-auth-buttons {
    display: none;
  }
  .nav-hamburger {
    display: flex;
  }
  .section-title {
    font-size: 2rem;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

.mobile-nav-active .nav-menu {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 88px;
  left: 0;
  width: 100%;
  background: var(--white);
  padding: 2rem;
  box-shadow: 0 20px 40px rgba(0,0,0,0.15);
  border-bottom: 3px solid var(--accent);
}

.mobile-nav-active .nav-auth-buttons {
  display: flex;
  flex-direction: column;
  width: 100%;
  margin-top: 1.5rem;
}