/* Style Sheet for Premium Real Estate Landing Page */

/* Custom CSS Variables & Motion Tokens */
:root {
    --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
    --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);
    --ease-drawer: cubic-bezier(0.32, 0.72, 0, 1);
    --ease-out-slow: cubic-bezier(0.16, 1, 0.3, 1);
    
    --heritage-gold: #D3A550;
    --onyx-black: #010203;
}

/* Base resets & styling overrides */
html {
    scroll-behavior: smooth;
}

/* Premium Focus Indicators for Keyboard Nav */
.focus-visible\:outline-gold:focus-visible {
    outline: 2px solid var(--heritage-gold);
    outline-offset: 4px;
}

/* Header dynamic styles on scroll */
#main-header.scrolled {
    background-color: rgba(1, 2, 3, 0.85); /* Translucent Onyx Black */
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(211, 165, 80, 0.15);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
}

#main-header.scrolled #header-logo {
    height: 1.75rem; /* Shrink logo slightly on scroll */
}

/* Header Text adjustments on scroll */
#main-header.scrolled .nav-link {
    color: rgba(255, 255, 255, 0.75);
}

#main-header.scrolled .nav-link:hover {
    color: var(--heritage-gold);
}

/* Custom Navigation Link Underlines */
.nav-link {
    position: relative;
    padding-bottom: 2px;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 1.5px;
    background-color: var(--heritage-gold);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 300ms var(--ease-out);
}

.nav-link:hover::after {
    transform: scaleX(1);
}

/* Premium Slide Animation for Hero Background */
.hero-slide {
    opacity: 0;
    transform: scale(1.02);
    transition: opacity 2000ms var(--ease-in-out), transform 8000ms var(--ease-out-slow);
}

.hero-slide.active {
    opacity: 1;
    transform: scale(1.06);
}

/* Entry animations for Hero text elements */
.anim-fade-in-up {
    opacity: 0;
    transform: translateY(24px);
    animation: fadeInUp 1200ms var(--ease-out) forwards;
}

.anim-delay-100 {
    animation-delay: 150ms;
    transition-delay: 150ms;
}

.anim-delay-200 {
    animation-delay: 300ms;
    transition-delay: 300ms;
}

.anim-delay-300 {
    animation-delay: 450ms;
    transition-delay: 450ms;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Premium Asymmetric Shadow for Quick Search Card */
.shadow-premium {
    box-shadow: 6px 6px 0px 0px var(--heritage-gold);
    transition: box-shadow 400ms var(--ease-out), transform 400ms var(--ease-out);
}

.shadow-premium:hover {
    box-shadow: 12px 12px 0px 0px var(--heritage-gold);
    transform: translate(-3px, -3px);
}

/* Button Pressed State Micro-interaction */
.btn-press {
    transition: transform 150ms var(--ease-out), background-color 300ms var(--ease-out), color 300ms var(--ease-out);
}

.btn-press:active {
    transform: scale(0.97);
}

/* Scroll-triggered reveal animations via IntersectionObserver */
.scroll-reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 1000ms var(--ease-out-slow), transform 1000ms var(--ease-out-slow);
}

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

/* Mobile Drawer transition speeds and curves */
.ease-drawer {
    transition-timing-function: var(--ease-drawer);
}

#mobile-drawer.active {
    opacity: 1;
    pointer-events: auto;
}

#mobile-drawer.active #drawer-content {
    transform: translateX(0);
}

/* Accessibility settings for reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-delay: 0s !important;
        animation-duration: 0s !important;
        animation-iteration-count: 1 !important;
        transition-delay: 0s !important;
        transition-duration: 0s !important;
        scroll-behavior: auto !important;
    }
    .hero-slide {
        transform: none !important;
        transition: none !important;
    }
    .anim-fade-in-up, .scroll-reveal {
        opacity: 1 !important;
        transform: none !important;
        animation: none !important;
    }
}