/* ========================================
   Cristal Beauty — Custom Styles
   ======================================== */

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

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

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

.font-playfair {
    font-family: 'Playfair Display', serif;
}

.font-inter {
    font-family: 'Inter', sans-serif;
}

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

::-webkit-scrollbar-track {
    background: #0a1a24;
}

::-webkit-scrollbar-thumb {
    background: #334e63;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #48637a;
}

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

#navbar.scrolled {
    background-color: rgba(10, 26, 36, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(116, 190, 171, 0.08), 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* Mobile Menu */
.hamburger-line {
    transition: all 0.3s ease;
}

#mobile-menu.open .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

#mobile-menu.open .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
    width: 24px;
}

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

.service-card:hover {
    transform: translateY(-4px);
}

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

.gallery-item img {
    transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Selection */
::selection {
    background-color: rgba(74, 158, 138, 0.3);
    color: #f0f4f8;
}

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

/* Focus Styles */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid #74beab;
    outline-offset: 2px;
    border-radius: 4px;
}

/* Mobile Menu Animations */
.mobile-link {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.3s ease, transform 0.3s 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: 0.15s; }
#mobile-menu.open .mobile-link:nth-child(3) { transition-delay: 0.2s; }
#mobile-menu.open .mobile-link:nth-child(4) { transition-delay: 0.25s; }
#mobile-menu.open .mobile-link:nth-child(5) { transition-delay: 0.3s; }

/* Scroll Reveal (progressive enhancement — content is visible without JS) */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
    }
    
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}