/* ========================================
   Styleaire Beauty Salon - Custom Styles
   ======================================== */

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    overflow-x: hidden;
}

/* Selection */
::selection {
    background: rgba(201, 168, 76, 0.3);
    color: #f0f3f9;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: #0a1628;
}
::-webkit-scrollbar-thumb {
    background: rgba(201, 168, 76, 0.4);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(201, 168, 76, 0.6);
}

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

#navbar.scrolled {
    background: rgba(3, 9, 18, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.04);
}

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

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

.mobile-link {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

#mobileMenu.open .mobile-link {
    opacity: 1;
    transform: translateY(0);
}

#mobileMenu.open .mobile-link:nth-child(1) { transition-delay: 0.1s; }
#mobileMenu.open .mobile-link:nth-child(2) { transition-delay: 0.15s; }
#mobileMenu.open .mobile-link:nth-child(3) { transition-delay: 0.2s; }
#mobileMenu.open .mobile-link:nth-child(4) { transition-delay: 0.25s; }
#mobileMenu.open .mobile-link:nth-child(5) { transition-delay: 0.3s; }

/* Hamburger */
#menuBtn .line1 {
    transform-origin: center;
}
#menuBtn .line2 {
    transform-origin: center;
}
#menuBtn .line3 {
    transform-origin: center;
}

#menuBtn.active .line1 {
    transform: rotate(45deg) translate(3px, 3px);
}
#menuBtn.active .line2 {
    transform: rotate(-45deg) translate(2px, -2px);
}
#menuBtn.active .line3 {
    width: 24px;
    opacity: 0;
}

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

.floating-card:nth-child(2) {
    animation-delay: -1s;
}
.floating-card:nth-child(3) {
    animation-delay: -3s;
}
.floating-card:nth-child(4) {
    animation-delay: -4.5s;
}

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

/* Scroll line animation */
@keyframes scrollLine {
    0% { top: -12px; opacity: 0; }
    20% { opacity: 1; }
    80% { opacity: 1; }
    100% { top: 100%; opacity: 0; }
}

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

/* ========================================
   Service Cards
   ======================================== */
.service-card {
    position: relative;
    overflow: hidden;
    transition: background 0.5s ease, transform 0.3s ease;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(201, 168, 76, 0), transparent);
    transition: background 0.5s ease;
}

.service-card:hover::before {
    background: linear-gradient(90deg, transparent, rgba(201, 168, 76, 0.4), transparent);
}

.service-card:hover {
    transform: translateY(-2px);
}

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

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

/* ========================================
   Scroll Reveal (progressive enhancement)
   ======================================== */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                    transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    }

    .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; }
}

/* Always visible for reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
    }
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 768px) {
    .font-serif {
        font-size: clamp(2rem, 8vw, 3rem);
    }
}