/* ============================================
   Riverside Pediatrics — Custom Styles
   ============================================ */

/* Base styles */
html {
    scroll-behavior: smooth;
}

body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   Geometric Hero Shapes
   ============================================ */
.geo-shape {
    position: absolute;
    opacity: 0.12;
    pointer-events: none;
}

.circle-1 {
    width: 320px;
    height: 320px;
    border: 3px solid rgba(255, 255, 255, 0.4);
    border-radius: 50%;
    top: 10%;
    right: 5%;
    animation: float-slow 8s ease-in-out infinite;
}

.circle-2 {
    width: 180px;
    height: 180px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 50%;
    bottom: 20%;
    right: 15%;
    animation: float-medium 6s ease-in-out infinite;
}

.circle-3 {
    width: 100px;
    height: 100px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    top: 30%;
    left: 5%;
    animation: float-slow 10s ease-in-out infinite reverse;
}

.triangle-1 {
    width: 0;
    height: 0;
    border-left: 60px solid transparent;
    border-right: 60px solid transparent;
    border-bottom: 104px solid rgba(255, 255, 255, 0.1);
    top: 25%;
    left: 12%;
    animation: rotate-slow 12s linear infinite;
    transform-origin: center;
}

.square-1 {
    width: 80px;
    height: 80px;
    background: rgba(251, 191, 36, 0.2);
    border-radius: 12px;
    bottom: 30%;
    left: 8%;
    animation: rotate-slow 15s linear infinite;
    transform-origin: center;
}

.ring-1 {
    width: 140px;
    height: 140px;
    border: 4px solid rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    top: 60%;
    right: 8%;
    animation: float-medium 7s ease-in-out infinite;
}

.dot-grid {
    width: 120px;
    height: 120px;
    top: 15%;
    left: 30%;
    background-image: radial-gradient(circle, rgba(255, 255, 255, 0.3) 2px, transparent 2px);
    background-size: 16px 16px;
    animation: float-slow 9s ease-in-out infinite;
}

/* ============================================
   Animations
   ============================================ */
@keyframes float-slow {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

@keyframes float-medium {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-15px) rotate(5deg); }
}

@keyframes rotate-slow {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ============================================
   Scroll Reveal (Progressive Enhancement)
   ============================================ */
@media (prefers-reduced-motion: no-preference) {
    .service-card,
    .testimonial-card {
        opacity: 1;
        transform: translateY(0);
        transition: opacity 0.6s ease, transform 0.6s ease, box-shadow 0.3s ease;
    }
}

/* Hidden by default, revealed by JS */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   Navigation
   ============================================ */
.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: #0d9488;
    transition: all 0.2s ease;
    transform: translateX(-50%);
}

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

/* ============================================
   Mobile Menu
   ============================================ */
.mobile-link {
    display: block;
}

/* ============================================
   Contact Form
   ============================================ */
#contact-form input:focus,
#contact-form select:focus,
#contact-form textarea:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.1);
}

/* ============================================
   Responsive adjustments
   ============================================ */
@media (max-width: 640px) {
    .geo-shape {
        display: none;
    }
}

/* ============================================
   Utility
   ============================================ */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}