/* ============================================
   M&T Nails Spa — Custom Styles
   Premium Dark Luxury Theme
   ============================================ */

/* Base & Typography */
:root {
    --color-black: #0a0a0a;
    --color-charcoal: #141414;
    --color-dark: #1a1a1a;
    --color-terracotta: #c45a3c;
    --color-terracotta-dark: #9e4228;
    --color-sand: #e8d5c4;
    --color-sand-light: #f5ebe0;
    --color-gold: #d4af37;
    --color-gold-light: #e5c158;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Montserrat', sans-serif;
    background-color: var(--color-black);
    color: var(--color-sand);
    overflow-x: hidden;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--color-charcoal);
}
::-webkit-scrollbar-thumb {
    background: var(--color-gold);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--color-gold-light);
}

/* Selection */
::selection {
    background: var(--color-terracotta);
    color: var(--color-sand-light);
}

/* Navbar */
#navbar {
    background: transparent;
    transition: background 0.5s ease, box-shadow 0.5s ease, padding 0.5s ease;
}

#navbar.scrolled {
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(212, 175, 55, 0.1);
}

/* Menu Lines Animation */
#menu-btn.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
#menu-btn.active .menu-line:nth-child(2) {
    opacity: 0;
}
#menu-btn.active .menu-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
    width: 24px;
}

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

.mobile-link {
    opacity: 0;
    transform: translateY(20px);
    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: 0.2s; }
#mobile-menu.open .mobile-link:nth-child(3) { transition-delay: 0.3s; }
#mobile-menu.open .mobile-link:nth-child(4) { transition-delay: 0.4s; }
#mobile-menu.open .mobile-link:nth-child(5) { transition-delay: 0.5s; }

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

.animate-scroll-line {
    animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
    0%, 100% { opacity: 0.3; transform: scaleY(0.5); transform-origin: top; }
    50% { opacity: 1; transform: scaleY(1); }
}

/* Service Cards */
.service-card {
    opacity: 1;
    transform: translateY(0);
    transition: transform 0.5s ease, border-color 0.5s ease, box-shadow 0.5s ease;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4), 0 0 40px rgba(212, 175, 55, 0.05);
}

/* Gallery */
.gallery-item {
    cursor: pointer;
}

.gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10, 10, 10, 0.6) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.gallery-item:hover::after {
    opacity: 1;
}

/* Testimonials */
.testimonial-card {
    transition: transform 0.4s ease, border-color 0.4s ease;
}

.testimonial-card:hover {
    transform: translateY(-4px);
    border-color: rgba(212, 175, 55, 0.3);
}

/* Scroll Reveal Animations */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    html {
        scroll-behavior: auto;
    }
    .reveal {
        opacity: 1;
        transform: none;
    }
}

/* Form Focus Styles */
input:focus, textarea:focus, select:focus {
    border-color: rgba(212, 175, 55, 0.5) !important;
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

/* Select Arrow */
select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23d4af37' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    appearance: none;
}

/* Responsive */
@media (max-width: 767px) {
    .service-card {
        padding: 1.5rem;
    }
    
    #hero h1 {
        font-size: 2.75rem;
    }
    
    .testimonial-card {
        padding: 1.5rem;
    }
}

@media (min-width: 768px) and (max-width: 1023px) {
    #hero h1 {
        font-size: 4rem;
    }
}