/* ============================================
   KLee Consulting — Custom Styles
   ============================================ */

/* Base & Typography */
html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osn-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
}

/* Selection */
::selection {
    background-color: rgba(201, 168, 76, 0.2);
    color: #0a1628;
}

/* ============================================
   Navbar
   ============================================ */
#navbar {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(10, 22, 40, 0.06);
}

#navbar.scrolled {
    box-shadow: 0 1px 20px rgba(10, 22, 40, 0.06);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: #c9a84c;
    transition: width 0.3s ease;
}

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

/* ============================================
   Mobile Menu
   ============================================ */
#mobile-menu.open {
    opacity: 1 !important;
    pointer-events: all !important;
}

#mobile-menu.open .mobile-menu-link {
    animation: fadeInUp 0.3s ease forwards;
}

#mobile-menu.open .mobile-menu-link:nth-child(1) { animation-delay: 0.05s; }
#mobile-menu.open .mobile-menu-link:nth-child(2) { animation-delay: 0.1s; }
#mobile-menu.open .mobile-menu-link:nth-child(3) { animation-delay: 0.15s; }
#mobile-menu.open .mobile-menu-link:nth-child(4) { animation-delay: 0.2s; }

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Menu toggle animation */
.menu-toggle.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(2px, 2px);
}

.menu-toggle.active .menu-line:nth-child(2) {
    opacity: 0;
}

/* ============================================
   Service Cards
   ============================================ */
.service-card {
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.service-card:hover {
    background-color: #fafafa;
}

.service-card:hover .service-card-border {
    border-top-color: #c9a84c;
}

.service-card-border {
    position: relative;
}

.service-card-border::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, #c9a84c, #e0cc8a);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.service-card:hover .service-card-border::before {
    transform: scaleX(1);
}

/* ============================================
   Scroll Reveal Animations (progressive enhancement)
   ============================================ */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94), 
                    transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    }
    
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
    
    .reveal-delay-1 { transition-delay: 0.1s; }
    .reveal-delay-2 { transition-delay: 0.2s; }
    .reveal-delay-3 { transition-delay: 0.3s; }
    .reveal-delay-4 { transition-delay: 0.4s; }
}

/* ============================================
   Form Styles
   ============================================ */
select option {
    background-color: #fff;
    color: #0a1628;
}

/* ============================================
   Smooth Scroll Offset for Fixed Nav
   ============================================ */
section[id] {
    scroll-margin-top: 80px;
}

/* ============================================
   Responsive Adjustments
   ============================================ */
@media (max-width: 767px) {
    .font-serif {
        line-height: 1.2;
    }
    
    #hero h1 {
        font-size: 2.25rem;
    }
}

@media (min-width: 768px) and (max-width: 1023px) {
    #hero h1 {
        font-size: 3rem;
    }
}

/* ============================================
   Image Hover Effects
   ============================================ */
.relative.overflow-hidden img {
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.relative.overflow-hidden:hover img {
    transform: scale(1.02);
}

/* ============================================
   Utility: Thin Divider Lines
   ============================================ */
.divider-line {
    position: relative;
}

.divider-line::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(10, 22, 40, 0.08), transparent);
}