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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    min-height: 100vh;
    overflow-x: hidden;
}

::selection {
    background-color: #c49a2e;
    color: #0d1626;
}

img, svg {
    display: block;
    max-width: 100%;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

input, select, textarea {
    font-family: inherit;
    font-size: 100%;
}

/* Mobile menu open state */
body.menu-open {
    overflow: hidden;
}

#mobile-menu.menu-open {
    transform: translateX(0);
}

#mobile-menu .mobile-nav-link {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

/* Menu button animated state */
body.menu-open .menu-line:nth-child(1) {
    transform: translateY(5.5px) rotate(45deg);
}

body.menu-open .menu-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

body.menu-open .menu-line:nth-child(3) {
    transform: translateY(-5.5px) rotate(-45deg);
    width: 1.5rem;
}

/* Scroll reveal base - content always visible by default */
.reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

/* Progressive enhancement: animate on scroll for viewers with JS enabled and reduced motion off */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
    }

    .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; }
}

/* Back to top button */
#back-to-top.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

/* Header scrolled state */
header.scrolled {
    background-color: rgba(13, 22, 38, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06);
}

/* Custom select arrow for all browsers */
select {
    background-image: url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23131f36' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 12px;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

/* Focus visible styles */
:focus-visible {
    outline: 2px solid #c49a2e;
    outline-offset: 2px;
}

/* Print styles */
@media print {
    header, #back-to-top, button {
        display: none !important;
    }
    body {
        color: #000;
        background: #fff;
    }
    a {
        color: #000;
    }
}