/* ============================================
   Dr. Ramesh Keesara MD — Custom Styles
   ============================================ */

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

html {
    scroll-behavior: smooth;
}

body {
    overflow-x: hidden;
}

::selection {
    background-color: rgba(180, 105, 45, 0.3);
    color: #E8DCC8;
}

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

::-webkit-scrollbar-track {
    background: #0C0A09;
}

::-webkit-scrollbar-thumb {
    background: #44403C;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #B4692D;
}

/* Scroll indicator animation */
@keyframes scrollIndicator {
    0% { transform: translateY(-100%); }
    100% { transform: translateY(400%); }
}

.animate-scroll-indicator {
    animation: scrollIndicator 1.5s ease-in-out infinite;
}

/* Navbar transitions */
#navbar.scrolled {
    background-color: rgba(12, 10, 9, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(180, 105, 45, 0.15);
}

#navbar.scrolled .nav-link {
    color: #E8DCC8;
}

/* Nav link hover underline effect */
.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: #B4692D;
    transition: width 0.3s ease;
}

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

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

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

.mobile-link {
    position: relative;
}

.mobile-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 1px;
    background-color: #B4692D;
    transition: width 0.3s ease;
}

.mobile-link:hover::after {
    width: 80%;
}

/* Hamburger animation */
#menu-toggle.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(3px, 3px);
}

#menu-toggle.active .menu-line:nth-child(2) {
    opacity: 0;
}

#menu-toggle.active .menu-line:nth-child(3) {
    transform: rotate(-45deg) translate(3px, -3px);
    width: 1.5rem;
}

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

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, #B4692D, transparent);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.service-card:hover::before {
    opacity: 1;
}

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

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

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
    }
    
    .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; }
}

/* Parallax-like subtle movement for hero decorative elements */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.floating {
    animation: float 6s ease-in-out infinite;
}

/* Button focus states */
a:focus-visible, button:focus-visible {
    outline: 2px solid #B4692D;
    outline-offset: 2px;
}

/* Image lazy loading fade */
img[loading="lazy"] {
    opacity: 0;
    transition: opacity 0.5s ease;
}

img[loading="lazy"].loaded {
    opacity: 1;
}

/* Map container hover */
#location .relative iframe {
    transition: filter 0.5s ease;
}

#location .relative:hover iframe {
    filter: grayscale(40%) invert(92%) contrast(90%);
}

/* Smooth section transitions */
section {
    position: relative;
}

/* Print styles */
@media print {
    nav, .scroll-indicator, button {
        display: none !important;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .bg-noir, .bg-noir-deep, .bg-noir-card {
        background: white !important;
    }
    
    .text-sand, .text-sand-light, .text-sand-dark {
        color: black !important;
    }
}