/* Custom styles for Pen Jersey Vein Center */

:root {
    --gold-start: #f5c842;
    --gold-end: #d4a017;
    --teal: #0d9488;
    --teal-light: #14b8a6;
    --slate-950: #050810;
    --slate-900: #0a0f1e;
    --slate-800: #1e293b;
}

html {
    scroll-behavior: smooth;
}

body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Gold button */
.btn-gold {
    background: linear-gradient(135deg, var(--gold-start) 0%, var(--gold-end) 100%);
    box-shadow: 0 4px 15px rgba(245, 200, 66, 0.2);
}

.btn-gold:hover {
    box-shadow: 0 6px 25px rgba(245, 200, 66, 0.35);
    transform: translateY(-1px);
}

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

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

#navbar.scrolled {
    background: rgba(5, 8, 16, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05), 0 4px 20px rgba(0, 0, 0, 0.3);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1.5px;
    background: linear-gradient(90deg, var(--gold-start), var(--teal-light));
    transition: width 0.3s ease;
}

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

.nav-link:hover {
    color: var(--gold-start) !important;
}

/* Scroll reveal base - progressive enhancement */
.reveal-up,
.reveal-left,
.reveal-right {
    opacity: 1;
    transform: none;
    transition: opacity 0.7s ease, transform 0.7s ease;
}

@media (prefers-reduced-motion: no-preference) {
    .reveal-up {
        opacity: 0;
        transform: translateY(30px);
    }
    .reveal-left {
        opacity: 0;
        transform: translateX(-30px);
    }
    .reveal-right {
        opacity: 0;
        transform: translateX(30px);
    }

    .reveal-up.revealed,
    .reveal-left.revealed,
    .reveal-right.revealed {
        opacity: 1;
        transform: none;
    }
}

/* FAQ */
.faq-item {
    transition: border-color 0.3s ease;
}

.faq-item:hover {
    border-color: rgba(13, 148, 136, 0.3);
}

.faq-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-content.open {
    max-height: 300px;
}

.faq-item.open .faq-icon {
    transform: rotate(180deg);
}

/* 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 {
    position: relative;
    padding-left: 0;
}

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

::-webkit-scrollbar-track {
    background: var(--slate-950);
}

::-webkit-scrollbar-thumb {
    background: var(--slate-800);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #334155;
}

/* Selection */
::selection {
    background: rgba(13, 148, 136, 0.3);
    color: white;
}

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

/* Select styling */
select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 40px;
}

/* Subtle gold accent line on section dividers */
section::before {
    content: '';
    display: block;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(245, 200, 66, 0.15), transparent);
    margin-bottom: 0;
}