/* public/css/header.css */

/* VARIABLES */
:root {
  --black: #000000;
  --white: #FFFFFF;
  --gray-200: #C4C4C4;
  --blue: #100961;
  --blue-light: #2d2da3;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== HEADER BASE ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: #000000;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 1.25rem 0;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  transform: translateY(0);
}

.site-header.scrolled {
  background: #000000;
  border-bottom-color: rgba(16, 9, 97, 0.3);
  padding: 1rem 0;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.site-header.header-hidden {
  transform: translateY(-100%);
}

.header-backdrop {
  display: none;
}

.site-header .container {
  position: relative;
  z-index: 1;
  margin: 0 auto;
  max-width: 1400px;
  padding: 0 4rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
}

/* ===== LOGO ===== */
.site-header .logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 2px;
  transition: all 0.3s ease;
  position: relative;
  z-index: 10;
}

.logo-text {
  color: var(--white);
  transition: all 0.3s ease;
}

.logo-accent {
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
}

.logo-accent::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--blue) 0%, var(--blue-light) 100%);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.site-header .logo:hover .logo-accent::after {
  transform: scaleX(1);
}

.site-header .logo:hover {
  transform: translateY(-2px);
}

/* ===== NAVIGATION ===== */
.main-nav {
  display: flex;
  align-items: center;
}

.nav-menu {
  list-style: none;
  display: flex;
  gap: 0.5rem;
  align-items: center;
  margin: 0;
  padding: 0;
}

.nav-link {
  position: relative;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9375rem;
  font-weight: 500;
  text-decoration: none;
  padding: 0.625rem 1.25rem;
  border-radius: 0.5rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  letter-spacing: 0.3px;
  display: block;
}

.nav-link::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 0.5rem;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.nav-link:hover::before {
  opacity: 1;
}

.nav-link:hover {
  color: var(--white);
  transform: translateY(-2px);
}

.nav-link.active {
  color: var(--white);
  background: rgba(16, 9, 97, 0.2);
  border: 1px solid rgba(16, 9, 97, 0.3);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 30px;
  height: 2px;
  background: linear-gradient(90deg, var(--blue) 0%, var(--blue-light) 100%);
  border-radius: 2px;
}

/* Contact Button */
.nav-link.btn-outline {
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-light) 100%);
  border: 1px solid rgba(16, 9, 97, 0.3);
  color: var(--white);
  padding: 0.75rem 1.75rem;
  font-weight: 600;
  box-shadow: 0 4px 15px rgba(16, 9, 97, 0.3);
  margin-left: 0.5rem;
}

.nav-link.btn-outline::before {
  display: none;
}

.nav-link.btn-outline:hover {
  background: linear-gradient(135deg, var(--blue-light) 0%, var(--blue) 100%);
  box-shadow: 0 6px 20px rgba(16, 9, 97, 0.4);
  transform: translateY(-2px);
}

.nav-link.btn-outline.active::after {
  display: none;
}

/* Admin Link */
.nav-link.admin-link {
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-light) 100%);
  border: 1px solid rgba(16, 9, 97, 0.3);
  color: #ffffff;
  padding: 0.5rem 1.25rem;
  border-radius: 8px;
  font-weight: 600;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  margin-left: 0.5rem;
}

.nav-link.admin-link::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s ease;
}

.nav-link.admin-link:hover::before {
  left: 100%;
}

.nav-link.admin-link:hover {
  background: linear-gradient(135deg, var(--blue-light) 0%, var(--blue) 100%);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(16, 9, 97, 0.4);
}

.nav-link.admin-link.active::after {
  display: none;
}

/* ===== HAMBURGER MENU ===== */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 20px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1001;
  position: relative;
}

.nav-toggle .bar {
  width: 100%;
  height: 2.5px;
  background: var(--white);
  border-radius: 2px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  transform-origin: center;
}

.nav-toggle.open .bar-1 {
  transform: translateY(8.5px) rotate(45deg);
}

.nav-toggle.open .bar-2 {
  opacity: 0;
  transform: scaleX(0);
}

.nav-toggle.open .bar-3 {
  transform: translateY(-8.5px) rotate(-45deg);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1200px) {
  .site-header .container {
    padding: 0 3rem;
  }
}

@media (max-width: 1100px) {
  .site-header {
    position: fixed;
  }

  .site-header .container {
    padding: 0 2rem;
  }

  .nav-toggle {
    display: flex;
  }

  .main-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 400px;
    height: 100vh;
    background: #000000;
    border-left: 1px solid rgba(255, 255, 255, 0.1);
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
    padding: 6rem 2rem 2rem;
    overflow-y: auto;
  }

  .main-nav.active {
    right: 0;
  }

  .nav-menu {
    flex-direction: column;
    gap: 0.5rem;
    align-items: stretch;
    width: 100%;
  }

  .nav-menu li {
    width: 100%;
  }

  .nav-link {
    display: block;
    width: 100%;
    padding: 1rem 1.5rem;
    text-align: left;
    border-radius: 0.75rem;
    font-size: 1.0625rem;
    opacity: 0;
    transform: translateX(20px);
    transition: all 0.3s ease;
  }

  .main-nav.active .nav-link {
    opacity: 1;
    transform: translateX(0);
  }

  .main-nav.active .nav-link:nth-child(1) {
    transition-delay: 0.1s;
  }
  .main-nav.active .nav-link:nth-child(2) {
    transition-delay: 0.15s;
  }
  .main-nav.active .nav-link:nth-child(3) {
    transition-delay: 0.2s;
  }
  .main-nav.active .nav-link:nth-child(4) {
    transition-delay: 0.25s;
  }
  .main-nav.active .nav-link:nth-child(5) {
    transition-delay: 0.3s;
  }
  .main-nav.active .nav-link:nth-child(6) {
    transition-delay: 0.35s;
  }

  .nav-link.btn-outline {
    margin-left: 0;
    margin-top: 1rem;
    text-align: center;
    background: linear-gradient(135deg, var(--blue) 0%, var(--blue-light) 100%);
  }

  .nav-link.active::after {
    display: none;
  }

  .logo {
    font-size: 1.3rem;
  }
}

@media (max-width: 768px) {
  .site-header .container {
    padding: 0 1.5rem;
  }

  .main-nav {
    max-width: 100%;
    border-left: none;
  }

  .logo {
    font-size: 1.2rem;
    letter-spacing: 1.5px;
  }
}

@media (max-width: 480px) {
  .site-header {
    padding: 1rem 0;
  }

  .site-header.scrolled {
    padding: 0.75rem 0;
  }

  .site-header .container {
    padding: 0 1rem;
  }

  .logo {
    font-size: 1.1rem;
    gap: 0.25rem;
  }

  .nav-link {
    padding: 0.875rem 1.25rem;
    font-size: 1rem;
  }
}

/* Smooth scroll behavior */
html {
  scroll-behavior: smooth;
}

/* Add padding to body to account for fixed header */
body {
  padding-top: 80px;
}

@media (max-width: 1100px) {
  body {
    padding-top: 70px;
  }
}