/* ============================================
   Pool Doctor — Custom Styles
   Classic & Elegant | Terracotta + Sand
   ============================================ */

/* 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-color: #A0523D;
    color: #FDFBF8;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #FAF8F5;
}
::-webkit-scrollbar-thumb {
    background: #D4B47E;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #A0523D;
}

/* ============================================
   Navbar
   ============================================ */
#navbar {
    background: transparent;
    transition: background 0.4s ease, box-shadow 0.4s ease, backdrop-filter 0.4s ease;
}

#navbar.scrolled {
    background: rgba(250, 248, 245, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(44, 40, 37, 0.06);
}

/* ============================================
   Mobile Menu
   ============================================ */
.mobile-link {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.3s ease, transform 0.3s 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: 0.05s; }
#mobile-menu.open .mobile-link:nth-child(2) { transition-delay: 0.1s; }
#mobile-menu.open .mobile-link:nth-child(3) { transition-delay: 0.15s; }
#mobile-menu.open .mobile-link:nth-child(4) { transition-delay: 0.2s; }
#mobile-menu.open .mobile-link:nth-child(5) { transition-delay: 0.25s; }

/* Menu button animation */
.menu-line {
    transition: transform 0.3s ease, opacity 0.3s ease;
}

#menu-btn.active .menu-line:nth-child(1) {
    transform: translateY(4px) rotate(45deg);
}
#menu-btn.active .menu-line:nth-child(2) {
    opacity: 0;
}
#menu-btn.active .menu-line:nth-child(3) {
    transform: translateY(-4px) rotate(-45deg);
    width: 1.25rem;
}

/* ============================================
   Service Cards
   ============================================ */
.service-card {
    position: relative;
    overflow: hidden;
}

.service-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, #C97A60, #A0523D);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease;
}

.service-card:hover::after {
    transform: scaleX(1);
}

/* ============================================
   Scroll Reveal Animations
   (Progressive enhancement — only when JS runs)
   ============================================ */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }

    .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; }
}

/* ============================================
   Form Styles
   ============================================ */
select option {
    background: #FAF8F5;
    color: #2C2825;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 767px) {
    .font-serif {
        line-height: 1.15;
    }
}

/* ============================================
   Print
   ============================================ */
@media print {
    #navbar, #mobile-menu, .scroll-indicator {
        display: none;
    }
    body {
        color: #000;
        background: #fff;
    }
}