/* ============================================
   Sata Hair — Custom Styles
   Classic & Elegant | Teal + Slate Grey
   ============================================ */

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #f1f5f9;
}
::-webkit-scrollbar-thumb {
    background: #94a3b8;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #0d9488;
}

/* Selection color */
::selection {
    background: rgba(13, 148, 136, 0.2);
    color: #0f172a;
}

/* ============================================
   Scroll Reveal Animations
   Progressive enhancement: content visible by default,
   animated state applied via JS only
   ============================================ */
.scroll-reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

/* These classes are applied by JS for animation */
.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   Navbar transitions
   ============================================ */
#navbar.scrolled {
    background: rgba(15, 23, 42, 0.95) !important;
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
}

#navbar.scrolled .nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
}

#navbar.scrolled #nav-logo-text {
    color: #ffffff !important;
}

/* ============================================
   Mobile menu animation
   ============================================ */
#mobile-menu {
    animation: slideDown 0.3s ease forwards;
}

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

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

/* ============================================
   Hover underline for links
   ============================================ */
a {
    text-decoration: none;
}

/* ============================================
   Image optimization
   ============================================ */
img {
    max-width: 100%;
    height: auto;
}

/* ============================================
   Form focus states
   ============================================ */
input:focus,
select:focus,
textarea:focus {
    outline: none;
}

/* ============================================
   Print styles
   ============================================ */
@media print {
    nav, footer, .scroll-reveal {
        display: none;
    }
    body {
        color: #000;
        background: #fff;
    }
}