/* ==========================================
   UPPER WEST SIDE SUGARHILL — CUSTOM STYLES
   ========================================== */

/* Base */
html {
    scroll-behavior: smooth;
}

body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #f1f5f9;
}
::-webkit-scrollbar-thumb {
    background: #0d9488;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #0f766e;
}

/* ==========================================
   HERO ANIMATIONS (progressive enhancement)
   ========================================== */
.js-enabled .hero-subtitle {
    animation: fadeSlideUp 0.8s ease forwards;
    animation-delay: 0.2s;
    opacity: 0;
}
.js-enabled .hero-title {
    animation: fadeSlideUp 0.8s ease forwards;
    animation-delay: 0.5s;
    opacity: 0;
}
.js-enabled .hero-body {
    animation: fadeSlideUp 0.8s ease forwards;
    animation-delay: 0.8s;
    opacity: 0;
}
.js-enabled .hero-cta {
    animation: fadeSlideUp 0.8s ease forwards;
    animation-delay: 1.1s;
    opacity: 0;
}

@keyframes fadeSlideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==========================================
   SCROLL REVEAL (progressive enhancement)
   ========================================== */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(40px);
        transition: opacity 0.8s ease, transform 0.8s ease;
    }
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
    .reveal:nth-child(2) { transition-delay: 0.1s; }
    .reveal:nth-child(3) { transition-delay: 0.2s; }
    .reveal:nth-child(4) { transition-delay: 0.3s; }
}

/* Always-visible fallback when JS is off or reduced motion */
:not(.js-enabled) .reveal,
@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
    }
}

/* ==========================================
   NAVBAR
   ========================================== */
#navbar.scrolled {
    background: rgba(4, 47, 46, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
}

/* ==========================================
   MOBILE MENU
   ========================================== */
.mobile-link {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}
#mobile-menu.open .mobile-link {
    opacity: 1;
    transform: translateY(0);
}
#mobile-menu.open .mobile-link:nth-child(1) { transition-delay: 0.1s; }
#mobile-menu.open .mobile-link:nth-child(2) { transition-delay: 0.15s; }
#mobile-menu.open .mobile-link:nth-child(3) { transition-delay: 0.2s; }
#mobile-menu.open .mobile-link:nth-child(4) { transition-delay: 0.25s; }
#mobile-menu.open .mobile-link:nth-child(5) { transition-delay: 0.3s; }

/* ==========================================
   SCROLL INDICATOR
   ========================================== */
.scroll-indicator {
    animation: pulseDown 2s ease-in-out infinite;
}

@keyframes pulseDown {
    0%, 100% { opacity: 0.5; transform: translateY(0); }
    50% { opacity: 1; transform: translateY(8px); }
}

/* ==========================================
   CARD HOVER EFFECTS
   ========================================== */
.group:hover .group-hover\:scale-105 {
    transform: scale(1.05);
}

/* ==========================================
   FOCUS STYLES
   ========================================== */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid #0d9488;
    outline-offset: 2px;
    border-radius: 4px;
}

/* ==========================================
   RESPONSIVE TWEAKS
   ========================================== */
@media (max-width: 640px) {
    .font-serif {
        line-height: 1.1;
    }
}