/* ============================================
   Dr. John Roizin MD — Custom Styles
   Clean Minimalist · Forest Green + Off-White
   ============================================ */

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

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

body {
    margin: 0;
    overflow-x: hidden;
}

/* ---- Selection ---- */
::selection {
    background: color-mix(in srgb, #354f22 80%, white);
    color: #FAFAF8;
}

/* ---- Animations ---- */
@keyframes slideUp {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideInLeft {
    from {
        transform: translateX(-30px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* ---- Scroll-triggered reveals ---- */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    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; }

/* ---- Navigation ---- */
#nav {
    background: transparent;
    transition: background 0.4s ease, box-shadow 0.4s ease;
}

#nav.scrolled {
    background: rgba(250, 250, 248, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(53, 79, 34, 0.08);
}

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

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

.mobile-link {
    display: block;
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

#mobileMenu.open .mobile-link {
    opacity: 1;
    transform: translateY(0);
}

#mobileMenu.open .mobile-link:nth-child(1) { transition-delay: 0.1s; }
#mobileMenu.open .mobile-link:nth-child(2) { transition-delay: 0.15s; }
#mobileMenu.open .mobile-link:nth-child(3) { transition-delay: 0.2s; }
#mobileMenu.open .mobile-link:nth-child(4) { transition-delay: 0.25s; }

/* ---- Menu button animation ---- */
#menuBtn.active #menuLine1 {
    transform: rotate(45deg) translate(2px, 2px);
}

#menuBtn.active #menuLine2 {
    transform: rotate(-45deg);
}

/* ---- Form styles ---- */
select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%239fbd82' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0 center;
    padding-right: 2rem;
}

select option {
    background: #FAFAF8;
    color: #2c401c;
}

/* ---- Focus visible ---- */
:focus-visible {
    outline: 1px solid #354f22;
    outline-offset: 2px;
}

/* ---- Subtle hover underline animation ---- */
a.hover-underline {
    position: relative;
}

a.hover-underline::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: currentColor;
    transition: width 0.3s ease;
}

a.hover-underline:hover::after {
    width: 100%;
}

/* ---- Image lazy load placeholder ---- */
img {
    background: linear-gradient(135deg, #e3ecd9 0%, #f2f7f0 100%);
}

/* ---- Print styles ---- */
@media print {
    nav, #contactForm, .reveal {
        display: none;
    }
    
    body {
        color: #000;
        background: #fff;
    }
}