/* ============================================================
   St. Xavier's College Clone — Header & Navigation (Premium)
   ============================================================ */

/* Top Bar */
.top-bar {
    background: linear-gradient(90deg, var(--primary-dark) 0%, #0a1628 100%);
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.82rem;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    letter-spacing: 0.02em;
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar-left {
    display: flex;
    gap: 24px;
}

.top-bar-item {
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition-fast);
}

.top-bar-item:hover {
    color: var(--white);
}

.top-bar-item i {
    color: var(--secondary-color);
    font-size: 0.8rem;
}

.top-bar-right {
    display: flex;
    gap: 10px;
}

.top-bar-right .social-icon {
    color: rgba(255, 255, 255, 0.6);
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.05);
    transition: all var(--transition-normal);
    font-size: 0.8rem;
}

.top-bar-right .social-icon:hover {
    color: var(--white);
    background: var(--gradient-secondary);
    transform: translateY(-2px) scale(1.1);
    box-shadow: 0 4px 12px rgba(196, 30, 58, 0.3);
}

/* Main Header */
.main-header {
    background: var(--gradient-primary);
    color: var(--white);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
    transition: all var(--transition-normal);
}

.main-header.scrolled {
    padding: 4px 0;
    background: rgba(15, 35, 58, 0.92);
    backdrop-filter: blur(20px) saturate(1.2);
    -webkit-backdrop-filter: blur(20px) saturate(1.2);
    box-shadow: 0 4px 30px rgba(0,0,0,0.2);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

/* Logo styling */
.logo {
    display: flex;
    align-items: center;
    gap: 14px;
    transition: var(--transition-normal);
}

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

.logo-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-secondary);
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(196, 30, 58, 0.3);
    position: relative;
}

.logo-icon::after {
    content: '';
    position: absolute;
    inset: -3px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.1);
}

.logo-x {
    font-family: var(--font-primary);
    font-weight: 800;
    font-size: 1.8rem;
    color: var(--white);
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

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

.logo-title {
    font-family: var(--font-primary);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--white);
    line-height: 1.15;
    letter-spacing: 0.01em;
}

.logo-subtitle {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.65);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 500;
}

/* Navigation List */
.main-nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    gap: 6px;
}

.nav-link {
    color: rgba(255, 255, 255, 0.85);
    font-family: var(--font-primary);
    font-size: 0.9rem;
    font-weight: 500;
    padding: 8px 14px;
    position: relative;
    border-radius: var(--border-radius);
    transition: all var(--transition-normal);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--gradient-secondary);
    transition: width var(--transition-normal);
    border-radius: 1px;
}

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

.nav-link:hover::after {
    width: 60%;
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.search-toggle {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--white);
    font-size: 1rem;
    cursor: pointer;
    padding: 8px;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-normal);
}

.search-toggle:hover {
    background: var(--gradient-secondary);
    border-color: transparent;
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(196, 30, 58, 0.3);
}

.mobile-toggle {
    display: none;
    background: transparent;
    border: none;
    width: 30px;
    height: 24px;
    position: relative;
    cursor: pointer;
}

.hamburger,
.hamburger::before,
.hamburger::after {
    width: 100%;
    height: 2.5px;
    background-color: var(--white);
    display: block;
    position: absolute;
    transition: var(--transition-normal);
    border-radius: 2px;
}

.hamburger {
    top: 50%;
    transform: translateY(-50%);
}

.hamburger::before {
    content: '';
    top: -8px;
}

.hamburger::after {
    content: '';
    top: 8px;
}

/* Mobile toggle active state */
.mobile-toggle.active .hamburger {
    background-color: transparent;
}

.mobile-toggle.active .hamburger::before {
    transform: rotate(45deg);
    top: 0;
}

.mobile-toggle.active .hamburger::after {
    transform: rotate(-45deg);
    top: 0;
}

/* Search Overlay */
.search-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 35, 58, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    display: flex;
    align-items: center;
    justify-content: center;
    transform: translateY(-100%);
    opacity: 0;
    transition: all var(--transition-normal);
    z-index: 999;
}

.search-overlay.active {
    transform: translateY(0);
    opacity: 1;
}

.search-form {
    display: flex;
    width: 100%;
    max-width: 700px;
    align-items: center;
    padding: 0 20px;
}

.search-input {
    flex-grow: 1;
    background: transparent;
    border: none;
    border-bottom: 3px solid rgba(255, 255, 255, 0.15);
    color: var(--white);
    font-size: 1.8rem;
    padding: 15px 0;
    outline: none;
    font-family: var(--font-primary);
    font-weight: 300;
    transition: border-color var(--transition-normal);
}

.search-input:focus {
    border-bottom-color: var(--secondary-color);
}

.search-input::placeholder {
    color: rgba(255, 255, 255, 0.35);
}

.search-btn,
.search-close {
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.6);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 15px;
    transition: all var(--transition-normal);
}

.search-btn:hover,
.search-close:hover {
    color: var(--secondary-color);
    transform: scale(1.15);
}

/* Mobile Nav Overlay */
.mobile-nav-overlay {
    position: fixed;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 200;
    transition: var(--transition-normal);
}

.mobile-nav-overlay.active {
    left: 0;
}

.mobile-nav-content {
    width: 320px;
    height: 100%;
    background: var(--gradient-primary);
    padding: 30px 24px;
    display: flex;
    flex-direction: column;
    gap: 30px;
    box-shadow: 8px 0 40px rgba(0,0,0,0.3);
    overflow-y: auto;
}

.mobile-nav-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding-bottom: 20px;
}

.mobile-close {
    background: rgba(255,255,255,0.1);
    border: none;
    color: var(--white);
    font-size: 1.2rem;
    cursor: pointer;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-normal);
}

.mobile-close:hover {
    background: var(--gradient-secondary);
}

.mobile-nav-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.mobile-nav-list a {
    color: rgba(255, 255, 255, 0.85);
    font-family: var(--font-primary);
    font-size: 1.05rem;
    font-weight: 500;
    display: block;
    padding: 12px 16px;
    border-radius: var(--border-radius);
    transition: all var(--transition-normal);
}

.mobile-nav-list a:hover {
    color: var(--white);
    background-color: rgba(255, 255, 255, 0.1);
    padding-left: 22px;
}