/* ============================================
   A & DD Nail Studio — Custom Styles
   Premium Dark Luxury Theme
   ============================================ */

/* ---------- Base ---------- */
:root {
    --color-dark: #1A1410;
    --color-dark-2: #231C15;
    --color-dark-3: #2C231A;
    --color-warm: #3A2E24;
    --color-gold: #C9993C;
    --color-gold-light: #E8C878;
    --color-terracotta: #C2704E;
    --color-terracotta-dark: #A0553A;
    --color-cream: #F5EDE3;
    --color-sand: #D4B896;
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Raleway', 'Helvetica Neue', sans-serif;
}

*, *::before, *::after {
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--color-dark);
    color: var(--color-cream);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ---------- Typography ---------- */
.font-playfair {
    font-family: var(--font-display);
}

.font-raleway {
    font-family: var(--font-body);
}

/* ---------- Skip Link ---------- */
.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
    padding: 1rem 2rem;
    background: var(--color-gold);
    color: var(--color-dark);
    font-weight: 600;
    border-radius: 0 0 8px 8px;
    transition: top 0.3s;
}

.skip-link:focus {
    top: 0;
}

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

#navbar.scrolled {
    background: rgba(26, 20, 16, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(201, 153, 60, 0.1);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-gold-light);
    transition: width 0.3s ease;
}

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

.nav-link:hover {
    color: var(--color-gold-light);
}

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

#mobile-menu.closed {
    opacity: 0;
    pointer-events: none;
}

.mobile-link {
    position: relative;
}

.mobile-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 1px;
    background: var(--color-gold-light);
    transition: width 0.3s ease;
}

.mobile-link:hover::after {
    width: 80%;
}

/* Hamburger animation */
#menu-toggle[aria-expanded="true"] #bar1 {
    transform: translateY(5px) rotate(45deg);
}

#menu-toggle[aria-expanded="true"] #bar2 {
    opacity: 0;
    transform: scaleX(0);
}

#menu-toggle[aria-expanded="true"] #bar3 {
    transform: translateY(-5px) rotate(-45deg);
}

/* ---------- Scroll Reveal ---------- */
.reveal {
    opacity: 1;
    transform: translateY(0);
    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);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
    .reveal.revealed {
        opacity: 1;
        transform: none;
    }
    .service-card,
    .group img {
        transition: none;
    }
    .group:hover img {
        transform: none;
    }
}

/* ---------- Service Cards ---------- */
.service-card {
    opacity: 1;
    transform: translateY(0);
}

/* ---------- Gallery ---------- */
.gallery-item {
    overflow: hidden;
    border-radius: 1rem;
}

.gallery-item img {
    transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.gallery-item:hover img {
    transform: scale(1.08);
}

/* ---------- Buttons ---------- */
.btn-gold {
    background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light));
    color: var(--color-dark);
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-gold::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-gold-light), var(--color-gold));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.btn-gold:hover::before {
    opacity: 1;
}

.btn-gold span {
    position: relative;
    z-index: 1;
}

/* ---------- Testimonial Cards ---------- */
.testimonial-card {
    position: relative;
    overflow: hidden;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: 20px;
    font-family: var(--font-display);
    font-size: 8rem;
    color: rgba(201, 153, 60, 0.06);
    line-height: 1;
    pointer-events: none;
}

/* ---------- Divider ---------- */
.gold-divider {
    height: 1px;
    background: linear-gradient(to right, transparent, rgba(201, 153, 60, 0.3), transparent);
}

/* ---------- Selection ---------- */
::selection {
    background: rgba(201, 153, 60, 0.3);
    color: var(--color-cream);
}

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--color-warm);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-gold);
}

/* ---------- Focus ---------- */
:focus-visible {
    outline: 2px solid var(--color-gold);
    outline-offset: 3px;
    border-radius: 4px;
}

/* ---------- Form ---------- */
.form-input {
    background: rgba(44, 35, 26, 0.6);
    border: 1px solid rgba(201, 153, 60, 0.15);
    color: var(--color-cream);
    border-radius: 0.75rem;
    padding: 0.875rem 1.25rem;
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    width: 100%;
}

.form-input::placeholder {
    color: rgba(245, 237, 227, 0.3);
}

.form-input:focus {
    outline: none;
    border-color: rgba(201, 153, 60, 0.5);
    box-shadow: 0 0 0 3px rgba(201, 153, 60, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

/* ---------- Success Message ---------- */
.success-message {
    display: none;
    animation: fadeInUp 0.5s ease forwards;
}

.success-message.show {
    display: block;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

#back-to-top.visible {
    opacity: 1;
    pointer-events: all;
}

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

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

/* ---------- Tablet ---------- */
@media (min-width: 768px) and (max-width: 1023px) {
    /* Additional tablet adjustments if needed */
}