/* ============================================
   Thomas Leake Chiropractic — 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;
}

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

/* ============================================
   Navbar
   ============================================ */
#navbar {
    transition: background-color 0.4s ease, box-shadow 0.4s ease, padding 0.4s ease;
}

#navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.08);
}

.nav-text-color {
    color: #1e293b;
    transition: color 0.3s ease;
}

#navbar .nav-text-color {
    color: #f8fafc;
}

#navbar.scrolled .nav-text-color {
    color: #1e293b;
}

.nav-subtitle {
    color: #115e59;
    transition: color 0.3s ease;
}

#navbar.scrolled .nav-subtitle {
    color: #115e59;
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: #115e59;
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

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

.menu-line {
    transition: all 0.3s ease;
}

#menu-btn.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}

#menu-btn.active .menu-line:nth-child(2) {
    opacity: 0;
}

#menu-btn.active .menu-line:nth-child(3) {
    width: 24px;
    transform: rotate(-45deg) translate(4px, -4px);
}

.mobile-link {
    transition: color 0.3s ease, transform 0.3s ease;
}

.mobile-link:hover {
    transform: translateY(-2px);
}

/* ============================================
   Scroll Reveal
   ============================================ */
.scroll-reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

@media (prefers-reduced-motion: no-preference) {
    .scroll-reveal {
        opacity: 0;
        transform: translateY(24px);
    }
    
    .scroll-reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Stagger children */
.scroll-reveal:nth-child(2) { transition-delay: 0.1s; }
.scroll-reveal:nth-child(3) { transition-delay: 0.2s; }
.scroll-reveal:nth-child(4) { transition-delay: 0.3s; }
.scroll-reveal:nth-child(5) { transition-delay: 0.4s; }
.scroll-reveal:nth-child(6) { transition-delay: 0.5s; }

/* ============================================
   Back to Top
   ============================================ */
#back-to-top.visible {
    opacity: 1;
    pointer-events: all;
    transform: translateY(0);
}

#back-to-top {
    transform: translateY(8px);
}

/* ============================================
   Form Focus States
   ============================================ */
input:focus,
select:focus,
textarea:focus {
    outline: none;
}

/* ============================================
   Selection
   ============================================ */
::selection {
    background-color: #115e59;
    color: #f0fdfa;
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    #navbar,
    #back-to-top,
    .scroll-reveal {
        display: none !important;
    }
    
    body {
        color: #000;
        background: #fff;
    }
}