/* ========================================
   Unico Dental — Custom Styles
   ======================================== */

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

/* Base styles */
body {
    font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
}

/* ========================================
   Navigation
   ======================================== */
#navbar {
    background: transparent;
    transition: background 0.4s ease, box-shadow 0.4s ease, padding 0.4s ease;
}

#navbar.scrolled {
    background: rgba(58, 16, 10, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
}

.nav-logo-text {
    transition: color 0.4s ease;
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1.5px;
    background: #f9ddd3;
    transition: width 0.3s ease;
}

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

.nav-link:hover {
    color: #f9ddd3 !important;
}

/* ========================================
   Hero Section
   ======================================== */
#hero {
    position: relative;
}

#hero::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 200px;
    background: linear-gradient(to top, rgba(58, 16, 10, 0.4), transparent);
    pointer-events: none;
    z-index: 1;
}

/* ========================================
   Service Cards
   ======================================== */
.service-card {
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #c23a1e, #e06a4a);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease;
}

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

/* ========================================
   Mobile Menu
   ======================================== */
#mobile-menu {
    transition: opacity 0.4s ease, transform 0.4s ease;
}

#mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}

#mobile-menu.closed {
    opacity: 0;
    pointer-events: none;
}

.mobile-nav-link {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

#mobile-menu.open .mobile-nav-link {
    opacity: 1;
    transform: translateY(0);
}

#mobile-menu.open .mobile-nav-link:nth-child(1) { transition-delay: 0.1s; }
#mobile-menu.open .mobile-nav-link:nth-child(2) { transition-delay: 0.15s; }
#mobile-menu.open .mobile-nav-link:nth-child(3) { transition-delay: 0.2s; }
#mobile-menu.open .mobile-nav-link:nth-child(4) { transition-delay: 0.25s; }

/* Hamburger animation */
#hamburger.active #line1 {
    transform: rotate(45deg) translate(4px, 4px);
}

#hamburger.active #line2 {
    opacity: 0;
}

#hamburger.active #line3 {
    transform: rotate(-45deg) translate(4px, -4px);
}

/* ========================================
   Scroll Animations
   ======================================== */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
    
    html {
        scroll-behavior: auto;
    }
    
    .service-card::before {
        transition: none;
    }
}

/* ========================================
   Form Styles
   ======================================== */
select option {
    background: #faf5e8;
    color: #3a2010;
}

/* ========================================
   Typography refinements
   ======================================== */
.font-serif {
    text-wrap: balance;
}

/* ========================================
   Responsive adjustments
   ======================================== */
@media (max-width: 768px) {
    #hero::before {
        height: 100px;
    }
}

/* ========================================
   Selection color
   ======================================== */
::selection {
    background: #c23a1e;
    color: #fdfbf7;
}