/* ============================================
   Dr. Jayesh Gohel — Medical Website Styles
   ============================================ */

/* --- 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;
}

::selection {
    background: #065f46;
    color: #fefdf8;
}

/* --- Navbar --- */
#navbar {
    background: transparent;
}

#navbar.scrolled {
    background: rgba(254, 253, 248, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(6, 95, 70, 0.08), 0 4px 30px rgba(0, 0, 0, 0.04);
}

#navbar.scrolled .font-serif {
    color: #022c22 !important;
}

#navbar.scrolled .menu-line {
    background: #022c22 !important;
}

/* --- Mobile Menu --- */
.mobile-link {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

#mobileMenu.open {
    opacity: 1;
    pointer-events: all;
}

#mobileMenu.closed {
    opacity: 0;
    pointer-events: none;
}

#mobileMenu.open .mobile-link {
    animation: slideUp 0.4s ease forwards;
}

#mobileMenu.open .mobile-link:nth-child(1) { animation-delay: 0.05s; }
#mobileMenu.open .mobile-link:nth-child(2) { animation-delay: 0.1s; }
#mobileMenu.open .mobile-link:nth-child(3) { animation-delay: 0.15s; }
#mobileMenu.open .mobile-link:nth-child(4) { animation-delay: 0.2s; }

@keyframes slideUp {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Menu button active state */
#menuBtn.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(3px, 3px);
}

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

#menuBtn.active .menu-line:nth-child(3) {
    transform: rotate(-45deg) translate(3px, -3px);
    width: 1.25rem;
}

/* --- Floating Cards Animation --- */
@keyframes floatSlow {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-12px); }
}

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

@keyframes floatFast {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-16px); }
}

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

.float-medium {
    animation: floatMedium 5s ease-in-out infinite;
}

.float-fast {
    animation: floatFast 4s ease-in-out infinite;
}

/* --- Scroll Reveal Base --- */
.service-reveal,
.about-reveal,
.approach-reveal,
.quote-reveal,
.contact-reveal {
    /* Default: visible — progressive enhancement */
    opacity: 1;
    transform: none;
}

@media (prefers-reduced-motion: no-preference) {
    .service-reveal,
    .about-reveal,
    .approach-reveal,
    .quote-reveal,
    .contact-reveal {
        opacity: 0;
        transform: translateY(32px);
        transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
    }

    .service-reveal.revealed,
    .about-reveal.revealed,
    .approach-reveal.revealed,
    .quote-reveal.revealed,
    .contact-reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }

    /* Staggered delays for grid items */
    .service-card {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    }

    .service-card.revealed {
        opacity: 1;
        transform: translateY(0);
    }

    .approach-card {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    }

    .approach-card.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- Card hover effects --- */
.service-card,
.approach-card {
    will-change: transform;
}

/* --- Button focus styles --- */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid #059669;
    outline-offset: 2px;
    border-radius: 4px;
}

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

/* --- Map styling --- */
iframe {
    filter: saturate(0.7) contrast(1.05);
    transition: filter 0.4s ease;
}

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

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

::-webkit-scrollbar-track {
    background: #FDF9F0;
}

::-webkit-scrollbar-thumb {
    background: #a7f3d0;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #6ee7b7;
}

/* --- Print styles --- */
@media print {
    #navbar, #mobileMenu { display: none; }
    body { background: white; }
    section { page-break-inside: avoid; }
}