/* ═══════════════════════════════════════════════════════
   Dr. Sonja Gray MD — Premium Dark Luxury Medical Site
   ═══════════════════════════════════════════════════════ */

/* ── Reset & Base ── */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    overflow-x: hidden;
}

::selection {
    background: rgba(201, 168, 76, 0.3);
    color: #faf9f6;
}

/* ── Scrollbar ── */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #050807;
}
::-webkit-scrollbar-thumb {
    background: rgba(201, 168, 76, 0.3);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(201, 168, 76, 0.5);
}

/* ── Animations ── */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

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

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

.animate-float-delayed {
    animation: float-delayed 4.5s ease-in-out infinite;
    animation-delay: 0.5s;
}

/* ── Reveal on Scroll ── */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal[data-reveal-delay="1"] { transition-delay: 0.1s; }
.reveal[data-reveal-delay="2"] { transition-delay: 0.2s; }
.reveal[data-reveal-delay="3"] { transition-delay: 0.3s; }
.reveal[data-reveal-delay="4"] { transition-delay: 0.4s; }
.reveal[data-reveal-delay="5"] { transition-delay: 0.5s; }
.reveal[data-reveal-delay="6"] { transition-delay: 0.6s; }

/* Progressive enhancement: if JS is disabled, all content is visible */
.no-js .reveal {
    opacity: 1;
    transform: none;
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
    .animate-float,
    .animate-float-delayed {
        animation: none;
    }
    html {
        scroll-behavior: auto;
    }
}

/* ── Navbar ── */
#navbar {
    transition: background-color 0.5s ease, backdrop-filter 0.5s ease;
}

#navbar.scrolled {
    background-color: rgba(5, 8, 7, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.mobile-link {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease, color 0.3s 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; }
#mobileMenu.open .mobile-link:nth-child(5) { transition-delay: 0.3s; }

/* ── Service Cards ── */
.service-card {
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.5s ease, box-shadow 0.5s ease;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px -30px rgba(201, 168, 76, 0.1);
}

/* ── Testimonial Cards ── */
.testimonial-card {
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.5s ease;
}

.testimonial-card:hover {
    transform: translateY(-2px);
}

/* ── Input Focus States ── */
input:focus,
textarea:focus {
    box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.1);
}

/* ── Button Ripple ── */
button, a {
    -webkit-tap-highlight-color: transparent;
}

/* ── Utility ── */
.text-gradient-gold {
    background: linear-gradient(135deg, #e8d5a0, #c9a84c, #b8943f);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ── Image lazy loading fade ── */
img[loading="lazy"] {
    transition: opacity 0.6s ease;
}
img[loading="lazy"].loaded {
    opacity: 1;
}
img[loading="lazy"] {
    opacity: 0;
}