/* ============================================
   Kidney Care of Louisiana - Natchitoches
   Custom Styles
   ============================================ */

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

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

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

::-webkit-scrollbar-track {
    background: #0f172a;
}

::-webkit-scrollbar-thumb {
    background: #0d9488;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #14b8a6;
}

/* ============================================
   Navigation
   ============================================ */
#navbar {
    background: transparent;
}

#navbar.scrolled {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05);
}

#navbar.scrolled .nav-text {
    color: #f8fafc;
}

#navbar.scrolled .nav-subtext {
    color: #5eead4;
}

#navbar.scrolled .nav-link {
    color: rgba(248, 250, 252, 0.8);
}

#navbar.scrolled .nav-link:hover {
    color: #f8fafc;
}

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

#hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 70% 30%, rgba(13, 148, 136, 0.15) 0%, transparent 60%),
        radial-gradient(ellipse at 20% 80%, rgba(13, 148, 136, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

/* ============================================
   Service Cards
   ============================================ */
.group:hover .group-hover\:-translate-y-1 {
    transform: translateY(-0.25rem);
}

/* ============================================
   Mobile Menu
   ============================================ */
#mobile-menu {
    animation: slideDown 0.3s ease-out;
}

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

.mobile-nav-link {
    display: block;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.mobile-nav-link:last-child {
    border-bottom: none;
}

/* ============================================
   Scroll Reveal Animations
   (Progressive Enhancement - only active with JS)
   ============================================ */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 1;
        transform: none;
    }

    .reveal[data-reveal] {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }

    .reveal[data-reveal="left"] {
        transform: translateX(-24px);
    }

    .reveal[data-reveal="right"] {
        transform: translateX(24px);
    }

    .reveal.visible {
        opacity: 1;
        transform: translate(0, 0);
    }

    /* Staggered delays for grid items */
    .reveal[data-delay="1"] { transition-delay: 0.1s; }
    .reveal[data-delay="2"] { transition-delay: 0.2s; }
    .reveal[data-delay="3"] { transition-delay: 0.3s; }
    .reveal[data-delay="4"] { transition-delay: 0.4s; }
    .reveal[data-delay="5"] { transition-delay: 0.5s; }
    .reveal[data-delay="6"] { transition-delay: 0.6s; }
}

/* ============================================
   Form Styles
   ============================================ */
input:focus,
select:focus,
textarea:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.15);
}

/* ============================================
   Map Container
   ============================================ */
.rounded-2xl.overflow-hidden {
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
}

/* ============================================
   Responsive Adjustments
   ============================================ */
@media (max-width: 768px) {
    .font-serif {
        font-size: clamp(1.75rem, 5vw, 2.5rem);
    }
}

@media (max-width: 640px) {
    .font-serif {
        font-size: clamp(1.5rem, 6vw, 2rem);
    }
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    nav, #contact, footer, .reveal {
        display: none;
    }
    
    body {
        color: #000;
        background: #fff;
    }
}