/* ============================================
   Dr. Vidya Vakil — Custom Styles
   Classic & Elegant Medical Website
   ============================================ */

/* Base / Reset */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
}

/* Smooth scroll offset for fixed navbar */
section[id] {
    scroll-margin-top: 80px;
}

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

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

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

/* Navbar scroll state */
.navbar-scrolled {
    background: rgba(255, 255, 255, 0.97) !important;
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06);
}

.navbar-scrolled .nav-text {
    color: #0f172a !important;
}

.navbar-scrolled .nav-subtext {
    color: #0d9488 !important;
}

/* ============================================
   Hero Section
   ============================================ */
.hero-section {
    position: relative;
}

/* Floating animation for decorative elements */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-12px); }
}

.floating-card {
    animation: float 4s ease-in-out infinite;
}

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

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 16px;
    border: 1px solid transparent;
    transition: border-color 0.5s ease;
    pointer-events: none;
}

.service-card:hover::before {
    border-color: rgba(13, 148, 136, 0.2);
}

/* ============================================
   Scroll Reveal Animations
   (Progressive enhancement — content visible without JS)
   ============================================ */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 1;
        transform: translateY(0);
        transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                    transform 0.8s 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; }
}

/* Reduced motion — no animations */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* ============================================
   Button & Interactive Elements
   ============================================ */
button, a, input, textarea, select {
    font-family: inherit;
}

/* Custom focus styles */
*:focus-visible {
    outline: 2px solid #0d9488;
    outline-offset: 2px;
    border-radius: 4px;
}

/* ============================================
   Form Elements
   ============================================ */
input::placeholder,
textarea::placeholder {
    color: #94a3b8;
    opacity: 1;
}

input:-webkit-autofill,
textarea:-webkit-autofill {
    -webkit-box-shadow: 0 0 0 30px white inset !important;
}

/* ============================================
   Mobile Menu
   ============================================ */
.mobile-link {
    position: relative;
}

/* ============================================
   Map Container
   ============================================ */
iframe {
    filter: saturate(0.8) contrast(1.05);
    transition: filter 0.3s ease;
}

iframe:hover {
    filter: saturate(1) contrast(1);
}

/* ============================================
   Selection Color
   ============================================ */
::selection {
    background: #ccfbf1;
    color: #134e4a;
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    nav, #contact, footer, .service-card {
        break-inside: avoid;
    }
    
    body {
        color: #000;
        background: #fff;
    }
    
    .bg-teal-900 {
        background: #1e293b !important;
        color: #fff !important;
    }
}