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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
}

/* ─── Scroll Reveal ─── */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* ─── Navbar ─── */
#navbar {
    background: transparent;
    transition: background 0.3s ease, box-shadow 0.3s ease, padding 0.3s ease;
}

#navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.08);
}

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

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

.mobile-link {
    display: block;
    transition: color 0.2s ease;
}

/* ─── Button Hover Effects ─── */
a {
    text-decoration: none;
}

/* ─── Form Styles ─── */
input:focus,
textarea:focus {
    outline: none;
}

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

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
    background: #94a3b8;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #64748b;
}

/* ─── Selection ─── */
::selection {
    background: #ccfbf1;
    color: #134e4a;
}