/* ============================================
   Polished Nail Boutique — Custom Styles
   ============================================ */

/* --- Reset & Base --- */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    overflow-x: hidden;
}

/* --- Custom Properties --- */
:root {
    --emerald-50: #ECFDF5;
    --emerald-100: #D1FAE5;
    --emerald-500: #10B981;
    --emerald-600: #059669;
    --emerald-700: #047857;
    --emerald-800: #065F46;
    --emerald-900: #064E3B;
    --emerald-950: #022C22;
    --cream-50: #FDFBF7;
    --cream-100: #FAF6EE;
    --cream-200: #F5EFE0;
    --cream-300: #EDE4CC;
}

/* --- Navigation --- */
.nav-fixed {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(253, 251, 247, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(5, 150, 105, 0.08);
    transition: box-shadow 0.3s ease;
}

.nav-fixed.scrolled {
    box-shadow: 0 4px 30px rgba(2, 44, 34, 0.08);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--emerald-600);
    border-radius: 1px;
    transition: width 0.3s ease;
}

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

/* --- Buttons --- */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: var(--emerald-600);
    color: #FDFBF7;
    padding: 0.75rem 1.75rem;
    border-radius: 9999px;
    font-weight: 600;
    font-size: 0.9375rem;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 2px solid var(--emerald-600);
    cursor: pointer;
}

.btn-primary:hover {
    background: var(--emerald-700);
    border-color: var(--emerald-700);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(5, 150, 105, 0.3);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: transparent;
    color: var(--emerald-700);
    padding: 0.75rem 1.75rem;
    border-radius: 9999px;
    font-weight: 600;
    font-size: 0.9375rem;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 2px solid var(--emerald-200);
    cursor: pointer;
}

.btn-secondary:hover {
    background: var(--emerald-50);
    border-color: var(--emerald-400);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

/* --- Section Labels --- */
.section-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--emerald-600);
    background: var(--emerald-50);
    border: 1px solid var(--emerald-200);
    padding: 0.4rem 1rem;
    border-radius: 9999px;
}

/* --- 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, var(--emerald-400), var(--emerald-600));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.service-card:hover::before {
    opacity: 1;
}

/* --- Input Fields --- */
.input-field {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1.5px solid var(--cream-300);
    border-radius: 12px;
    background: white;
    font-family: inherit;
    font-size: 0.9375rem;
    color: var(--emerald-950);
    transition: all 0.3s ease;
    outline: none;
}

.input-field::placeholder {
    color: #9CA3AF;
}

.input-field:focus {
    border-color: var(--emerald-400);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.input-field:hover:not(:focus) {
    border-color: var(--emerald-300);
}

/* --- Floating Cards --- */
.floating-card {
    animation: float 6s ease-in-out infinite;
}

.card-1 {
    animation-delay: 0s;
}

.card-2 {
    animation-delay: -2s;
}

.card-3 {
    animation-delay: -4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-12px); }
}

/* --- Scroll Indicator --- */
.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    animation: scroll-bounce 2s ease-in-out infinite;
}

@keyframes scroll-bounce {
    0%, 100% { transform: translate(-50%, 0); opacity: 0.6; }
    50% { transform: translate(-50%, 8px); opacity: 1; }
}

/* --- Mobile Menu --- */
.mobile-menu {
    animation: slideDown 0.3s ease;
}

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

.mobile-nav-link {
    display: block;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(5, 150, 105, 0.08);
}

.mobile-nav-link:last-child {
    border-bottom: none;
}

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

.gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(2, 44, 34, 0.3), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
    border-radius: inherit;
}

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

/* --- Testimonial Cards --- */
.testimonial-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

/* --- Success Message --- */
.success-message {
    animation: fadeInUp 0.4s ease;
}

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

/* --- Scroll Reveal (Progressive Enhancement) --- */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.6s ease, transform 0.6s 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; }
    .reveal-delay-6 { transition-delay: 0.6s; }
}

/* --- Responsive --- */
@media (max-width: 767px) {
    .floating-card {
        display: none;
    }
}

@media (min-width: 768px) and (max-width: 1023px) {
    .floating-card {
        display: none;
    }
}

/* --- Focus Visible --- */
*:focus-visible {
    outline: 2px solid var(--emerald-500);
    outline-offset: 2px;
}

/* --- Selection --- */
::selection {
    background: var(--emerald-200);
    color: var(--emerald-900);
}