/* Custom styles for Hair Extensions by Bella */

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: 'Karla', sans-serif;
    font-weight: 300;
    line-height: 1.7;
    color: #1e293b;
    background-color: #f8fafc;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Selection color */
::selection {
    background-color: rgba(13, 148, 136, 0.15);
    color: #0f766e;
}

/* Smooth focus styles */
:focus-visible {
    outline: 2px solid #0d9488;
    outline-offset: 2px;
}

/* Thin line accent */
.thin-line {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(13, 148, 136, 0.3), transparent);
}

/* Corner accent for cards */
.corner-accent {
    position: relative;
}
.corner-accent::before,
.corner-accent::after {
    content: '';
    position: absolute;
    width: 32px;
    height: 32px;
    border-color: rgba(13, 148, 136, 0.2);
    border-style: solid;
    pointer-events: none;
}
.corner-accent::before {
    top: -1px;
    left: -1px;
    border-width: 1px 0 0 1px;
    border-top-left-radius: 0.5rem;
}
.corner-accent::after {
    bottom: -1px;
    right: -1px;
    border-width: 0 1px 1px 0;
    border-bottom-right-radius: 0.5rem;
}

/* Hover lift for service cards */
.hover-lift {
    transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                box-shadow 0.4s ease;
}
.hover-lift:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(13, 148, 136, 0.1);
}

/* Button shine effect */
.btn-primary {
    position: relative;
    overflow: hidden;
}
.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.12), transparent);
    transition: left 0.5s ease;
}
.btn-primary:hover::before {
    left: 100%;
}

/* Image zoom on hover */
.img-zoom {
    overflow: hidden;
}
.img-zoom img {
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    display: block;
}
.img-zoom:hover img {
    transform: scale(1.05);
}

/* Teal underline navigation links */
.teal-underline {
    position: relative;
}
.teal-underline::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: #0d9488;
    transition: width 0.3s ease;
}
.teal-underline:hover::after {
    width: 100%;
}

/* Mobile menu animation */
.mobile-menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.mobile-menu.open {
    max-height: 400px;
}

/* Mobile menu link hover */
.mobile-link {
    display: block;
    padding: 0.5rem 0;
}

/* Navigation glass effect */
.nav-glass {
    background: rgba(248, 250, 252, 0.88);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

/* Hero overlay */
.hero-overlay {
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.78) 0%, rgba(13, 148, 136, 0.35) 100%);
}

/* Dot pattern for services section */
.pattern-grid {
    background-image: radial-gradient(circle, rgba(13, 148, 136, 0.07) 1px, transparent 1px);
    background-size: 24px 24px;
}

/* Scroll reveal (progressive enhancement) */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(20px);
        transition: opacity 0.6s ease, transform 0.6s ease;
    }
    .reveal.visible {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Mobile menu button animation */
#menuLine1 {
    transition: transform 0.3s ease, opacity 0.3s ease;
}
#menuLine2 {
    transition: opacity 0.3s ease;
}
#menuLine3 {
    transition: transform 0.3s ease, width 0.3s ease;
}
#menuToggle.active #menuLine1 {
    transform: translateY(4px) rotate(45deg);
}
#menuToggle.active #menuLine2 {
    opacity: 0;
}
#menuToggle.active #menuLine3 {
    transform: translateY(-4px) rotate(-45deg);
    width: 20px;
}

/* Responsive adjustments */
@media (max-width: 767px) {
    html {
        font-size: 15px;
    }

    .corner-accent::before,
    .corner-accent::after {
        width: 20px;
        height: 20px;
    }
}

@media (min-width: 768px) {
    .lg\:hidden {
        display: none;
    }
}

/* Print styles */
@media print {
    .nav-glass,
    .mobile-menu,
    .btn-primary::before {
        display: none;
    }
    body {
        color: #000;
        background: #fff;
    }
}