/* ========================================
   On The Go Nailz — Custom Styles
   ======================================== */

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

body {
    font-family: 'Inter', system-ui, sans-serif;
    font-weight: 400;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: 'Playfair Display', Georgia, serif;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #0A1628;
}
::-webkit-scrollbar-thumb {
    background: #3D5278;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #10B981;
}

/* Selection */
::selection {
    background: rgba(16, 185, 129, 0.3);
    color: #F0F4FA;
}

/* ========================================
   Header / Navigation
   ======================================== */
#site-header {
    backdrop-filter: blur(0px);
    -webkit-backdrop-filter: blur(0px);
    background: transparent;
    transition: background 0.5s ease, backdrop-filter 0.5s ease, box-shadow 0.5s ease;
}

#site-header.scrolled {
    background: rgba(6, 14, 26, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(167, 243, 208, 0.06);
}

/* Mobile menu open state */
#mobile-menu.open {
    opacity: 1 !important;
    pointer-events: all !important;
}

/* Hamburger animation */
#hamburger span:nth-child(1) {
    transform-origin: center;
}
#hamburger span:nth-child(2) {
    transform-origin: center;
}
#hamburger span:nth-child(3) {
    transform-origin: center;
}

#menu-btn.active #hamburger span:nth-child(1) {
    transform: translateY(4px) rotate(45deg);
}
#menu-btn.active #hamburger span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}
#menu-btn.active #hamburger span:nth-child(3) {
    transform: translateY(-4px) rotate(-45deg);
}

/* ========================================
   Hero
   ======================================== */
#hero {
    position: relative;
}

/* ========================================
   Service Cards
   ======================================== */
.service-card {
    transition: transform 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

/* ========================================
   Gallery
   ======================================== */
.gallery-item {
    cursor: pointer;
    transition: transform 0.4s ease;
}

.gallery-item:hover {
    transform: scale(1.02);
}

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

/* ========================================
   Scroll Reveal (progressive enhancement)
   ======================================== */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(32px);
        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; }
    .reveal-delay-6 { transition-delay: 0.6s; }
}

/* ========================================
   Mobile Menu Link Transitions
   ======================================== */
.mobile-link {
    opacity: 0;
    transform: translateY(16px);
    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: 0.05s; }
#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; }

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 767px) {
    .font-['Playfair_Display'] {
        font-family: 'Playfair Display', Georgia, serif;
    }
}