/* ========================================
   deRosset House — Custom Styles
   ======================================== */

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

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

body {
    overflow-x: hidden;
}

/* Selection */
::selection {
    background-color: rgba(46, 107, 65, 0.15);
    color: #1e442b;
}

/* ========================================
   Scroll Reveal Animations
   Progressive enhancement — hidden by default,
   revealed via JS for users with JS enabled.
   ======================================== */

/* Default state: always visible for accessibility */
.reveal {
    opacity: 1;
    transform: translateY(0);
    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);
}

/* Hidden state applied via JS for progressive enhancement */
.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

/* ========================================
   Hero Animations
   Above-the-fold — always visible by default
   ======================================== */
.hero-elem {
    opacity: 1;
    transform: translateY(0);
    animation: heroFadeIn 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

.hero-elem:nth-child(1) { animation-delay: 0.1s; }
.hero-elem:nth-child(2) { animation-delay: 0.3s; }
.hero-elem:nth-child(3) { animation-delay: 0.5s; }
.hero-elem:nth-child(4) { animation-delay: 0.7s; }

@keyframes heroFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (prefers-reduced-motion: reduce) {
    .hero-elem {
        animation: none;
        opacity: 1;
        transform: none;
    }
}

/* ========================================
   Navbar Transitions
   ======================================== */
#navbar.scrolled {
    background-color: rgba(250, 249, 247, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(46, 107, 65, 0.08);
}

#navbar.scrolled .nav-link {
    color: #2e6b41;
}

#navbar.scrolled #nav-logo-text {
    color: #1e442b;
}

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

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

#mobile-menu-btn.active #menu-line-2 {
    opacity: 0;
}

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

/* ========================================
   Form Styles
   ======================================== */
input::placeholder,
textarea::placeholder {
    opacity: 0.4;
}

input:focus,
textarea:focus {
    outline: none;
}

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

/* ========================================
   Image lazy loading placeholder
   ======================================== */
img {
    opacity: 1;
    transition: opacity 0.3s ease;
}

/* ========================================
   Responsive adjustments
   ======================================== */
@media (max-width: 767px) {
    .font-serif {
        line-height: 1.2;
    }
    
    section[id] {
        scroll-margin-top: 60px;
    }
}

/* ========================================
   Print styles
   ======================================== */
@media print {
    #navbar,
    #mobile-menu-btn,
    .reveal {
        display: none !important;
    }
    
    body {
        color: #000;
        background: #fff;
    }
}