/* ============================================
   Dr. Laubenthal, MD — Custom Styles
   Classic & Elegant Medical Practice
   ============================================ */

/* --- Base & Typography --- */
html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
}

/* --- Custom Scrollbar --- */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #fdf4f6;
}

::-webkit-scrollbar-thumb {
    background: #a31845;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #80173a;
}

/* --- Selection --- */
::selection {
    background: #ffd478;
    color: #41071e;
}

/* --- Navbar Transition --- */
#navbar {
    transition: background-color 0.4s ease, box-shadow 0.4s ease, padding 0.4s ease;
}

#navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.97);
    box-shadow: 0 1px 20px rgba(102, 21, 52, 0.08);
    backdrop-filter: blur(10px);
}

#navbar.scrolled .font-serif,
#navbar.scrolled .text-plum-950 {
    color: #41071e;
}

#navbar.scrolled .text-plum-800 {
    color: #661534;
}

#navbar.scrolled .mobile-link {
    color: #661534;
}

/* --- Hero Animations --- */
@keyframes float-slow {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-12px); }
}

@keyframes float-medium {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}

@keyframes float-fast {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-6px); }
}

.hero-float-1 {
    animation: float-slow 6s ease-in-out infinite;
}

.hero-float-2 {
    animation: float-medium 5s ease-in-out infinite 0.5s;
}

.hero-float-3 {
    animation: float-fast 4.5s ease-in-out infinite 1s;
}

/* --- Scroll Reveal (progressive enhancement) --- */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    }

    .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; }
    .reveal-delay-5 { transition-delay: 0.5s; }
    .reveal-delay-6 { transition-delay: 0.6s; }
}

/* --- 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, #ffa511, #ffd478);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* --- Form Inputs --- */
input:focus,
select:focus,
textarea:focus {
    outline: none;
}

select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23a31845' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    appearance: none;
    -webkit-appearance: none;
}

/* --- Mobile Menu --- */
#mobile-menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
}

#mobile-menu.open {
    max-height: 400px;
    opacity: 1;
}

/* --- Button Ripple Effect --- */
button, a {
    position: relative;
    overflow: hidden;
}

/* --- Decorative Divider --- */
.divider-amber {
    height: 2px;
    background: linear-gradient(90deg, transparent, #ffd478, transparent);
}

/* --- Print Styles --- */
@media print {
    nav, #contact-form, .reveal {
        display: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
}