/* ============================================
   Stephen Leroy Land Surveying — Custom Styles
   ============================================ */

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

body {
    overflow-x: hidden;
}

/* Selection */
::selection {
    background: #16a34a;
    color: #fefdf8;
}

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

#navbar.scrolled {
    background: rgba(254, 253, 248, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(20, 83, 45, 0.08);
}

.nav-logo-text,
.nav-logo-sub {
    transition: color 0.4s ease;
}

#navbar:not(.scrolled) .nav-logo-text,
#navbar:not(.scrolled) .nav-logo-sub {
    color: #fefdf8;
}

#navbar.scrolled .nav-logo-text,
#navbar.scrolled .nav-logo-sub {
    color: #14532d;
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #16a34a;
    transition: width 0.3s ease;
}

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

#navbar:not(.scrolled) .nav-link {
    color: rgba(254, 253, 248, 0.85);
}

#navbar:not(.scrolled) .nav-link:hover {
    color: #86efac;
}

#navbar:not(.scrolled) .nav-link::after {
    background: #86efac;
}

/* ============================================
   Mobile Menu
   ============================================ */
.mobile-nav-link {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease, color 0.3s ease;
}

body.menu-open .mobile-nav-link {
    opacity: 1;
    transform: translateY(0);
}

body.menu-open .mobile-nav-link:nth-child(1) { transition-delay: 0.1s; }
body.menu-open .mobile-nav-link:nth-child(2) { transition-delay: 0.15s; }
body.menu-open .mobile-nav-link:nth-child(3) { transition-delay: 0.2s; }
body.menu-open .mobile-nav-link:nth-child(4) { transition-delay: 0.25s; }
body.menu-open .mobile-nav-link:nth-child(5) { transition-delay: 0.3s; }

#menu-toggle .menu-line {
    transition: transform 0.3s ease, opacity 0.3s ease;
}

body.menu-open #menu-toggle .menu-line:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}

body.menu-open #menu-toggle .menu-line:nth-child(2) {
    opacity: 0;
}

body.menu-open #menu-toggle .menu-line:nth-child(3) {
    width: 1.5rem;
    transform: translateY(-6px) rotate(-45deg);
}

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

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #16a34a, #4ade80);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease;
}

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

/* ============================================
   Process Steps
   ============================================ */
.process-step {
    position: relative;
}

/* ============================================
   Scroll Reveal (progressive enhancement)
   ============================================ */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        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; }
}

/* ============================================
   Back to Top
   ============================================ */
#back-to-top {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease;
    transform: translateY(10px);
}

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

#back-to-top:hover {
    transform: translateY(-2px);
}

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

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

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 768px) {
    section[id] {
        scroll-margin-top: 60px;
    }
}