/* ============================================
   Landmark Contractors — Custom Styles
   ============================================ */

/* Base & Reset */
*, *::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: rgba(20, 184, 166, 0.15);
    color: #0F172A;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: #f0f4f8;
}
::-webkit-scrollbar-thumb {
    background: #9fb3c8;
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: #627d98;
}

/* ============================================
   Animations
   ============================================ */

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

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

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

.animate-slide-up {
    animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animate-fade-in {
    animation: fadeIn 1s ease forwards;
}

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

/* Stagger float animations */
.animate-float-card:nth-child(2) {
    animation-delay: 0.2s;
}
.animate-float-card:nth-child(3) {
    animation-delay: 0.5s;
}
.animate-float-card:nth-child(4) {
    animation-delay: 0.8s;
}

/* ============================================
   Scroll Reveal
   ============================================ */

.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.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; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* ============================================
   Navbar
   ============================================ */

#navbar {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    transition: border-color 0.4s ease, box-shadow 0.4s ease;
}

#navbar.scrolled {
    border-bottom-color: rgba(15, 23, 42, 0.06);
    box-shadow: 0 1px 20px rgba(15, 23, 42, 0.04);
}

.nav-logo {
    transition: color 0.3s ease;
}

/* ============================================
   Mobile Menu
   ============================================ */

.mobile-link {
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.4s ease, transform 0.4s ease, color 0.3s 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; }

/* ============================================
   Service Cards — line animation
   ============================================ */

.group:hover .w-12.h-px {
    /* handled by Tailwind group-hover utility */
}

/* ============================================
   Form Styles
   ============================================ */

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

select option {
    font-weight: 400;
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 768px) {
    .font-serif {
        line-height: 1.15;
    }
}