24:Tde6c,
"use client";

import { useEffect, useRef, useState } from "react";
import { ArrowUpRight, X } from "lucide-react";
import Image from "next/image";
import { Button } from "@/components/ui/button";
import { ScrambleOnHover } from "@/components/ui/scramble-on-hover";
import { cx } from "@/lib/cx";
import { focusRing } from "@/lib/styles";

const links = ["Home", "Product", "Pricing", "Contact"];

const contact = [
  { label: "contact@nsdev.me", href: "mailto:contact@nsdev.me" },
  { label: "(+237) 652 02 59 01", href: "tel:+237652025901" },
];

const address = "Yaoundé, Cameroon";

const social = [
  { label: "LinkedIn", href: "https://www.linkedin.com/in/njoh-simplice-junior/" },
  { label: "GitHub", href: "https://github.com/njoh-simplice" },
  { label: "X", href: "https://x.com/njoh_simplice" },
];

// How the card and its contents move. The card opens with a long ease-out, and each piece of
// content slides up out of its own line (a clipped row) a little after the one before it.
const EASE = "ease-[cubic-bezier(0.22,1,0.36,1)]";
// A gentler curve for the content, so its slide reads as smooth rather than sudden.
const GLIDE = "ease-[cubic-bezier(0.33,1,0.68,1)]";
const stagger = (open: boolean, step: number) => ({ transitionDelay: open ? `${180 + step * 90}ms` : "0ms" });
const rise = (open: boolean) =>
  cx(
    "transition-[translate,opacity] motion-reduce:transition-none",
    GLIDE,
    open ? "translate-y-0 opacity-100 duration-900" : "translate-y-full opacity-0 duration-200",
  );

// The contact and social lines enter more softly than the links: the headings only fade, then
// each line fades in with a small rise, one after another. Both columns step together, so row
// by row they appear side by side.
const settle = (open: boolean, step: number) => ({ transitionDelay: open ? `${540 + step * 110}ms` : "0ms" });
const soft = (open: boolean, move = true) =>
  cx(
    "transition-[opacity,translate] motion-reduce:transition-none",
    GLIDE,
    open ? "translate-y-0 opacity-100 duration-700" : cx("opacity-0 duration-200", move ? "translate-y-2" : "translate-y-0"),
  );

function NavLink({
  label,
  current,
  open,
  step,
  onChoose,
}: {
  label: string;
  current: boolean;
  open: boolean;
  step: number;
  onChoose: () => void;
}) {
  return (
    // The row clips its link, so the link slides up from underneath it. The padding and
    // negative margin keep the focus ring from being cut off.
    <li className="-m-1 overflow-hidden p-1">
      <div style={stagger(open, step)} className={rise(open)}>
        {/* Hovering the link scrambles its word (Scramble on Hover). It stays still otherwise. */}
        <ScrambleOnHover
          render={
            <a
              href="#"
              aria-current={current ? "page" : undefined}
              onClick={(event) => {
                event.preventDefault();
                onChoose();
              }}
              className={cx(
                "group flex items-center rounded-sm text-[2.5rem] leading-[1.33] font-medium uppercase transition-colors duration-300 hover:text-accent aria-[current=page]:text-accent motion-reduce:transition-none",
                focusRing,
              )}
            />
          }
          // A short green line that grows in front of the current or hovered link.
          before={
            <span
              aria-hidden
              className="h-0.5 w-0 shrink-0 bg-accent transition-[width,margin] duration-300 group-hover:mr-3 group-hover:w-6 group-aria-[current=page]:mr-3 group-aria-[current=page]:w-6 motion-reduce:transition-none"
            />
          }
        >
          {label}
        </ScrambleOnHover>
      </div>
    </li>
  );
}

// `image` is the canyon picture behind the card. Pass false to put the card on the plain page
// background, such as when the block sits inside something that already has its own look.
export default function Navigation1({ image = true }: { image?: boolean }) {
  const [open, setOpen] = useState(false);
  const [current, setCurrent] = useState("Product");
  const root = useRef<HTMLDivElement>(null);
  const toggle = useRef<HTMLButtonElement>(null);

  // A press anywhere outside the card closes it.
  useEffect(() => {
    if (!open) return;
    const close = (event: PointerEvent) => {
      if (!root.current?.contains(event.target as Node)) setOpen(false);
    };
    document.addEventListener("pointerdown", close);
    return () => document.removeEventListener("pointerdown", close);
  }, [open]);

  return (
    <section className="relative isolate min-h-screen overflow-hidden">
      {image && (
        <Image
          src="/assets/images/software-developer-canyon.webp"
          alt=""
          fill
          priority
          sizes="100vw"
          className="-z-10 object-cover"
        />
      )}
      {/* The picture darkens a little while the menu is open. */}
      <div
        aria-hidden
        className={cx(
          "pointer-events-none absolute inset-0 -z-10 bg-bg transition-opacity duration-600 motion-reduce:transition-none",
          EASE,
          open ? "opacity-35" : "opacity-0",
        )}
      />

      <div className="absolute inset-x-0 top-6 flex justify-center px-4">
        {/* Black glass: a dark, see-through fill (70%) that blurs the picture behind it, a faint
            light edge and a highlight along the top. */}
        <div
          ref={root}
          onKeyDown={(event) => {
            if (event.key === "Escape" && open) {
              setOpen(false);
              toggle.current?.focus();
            }
          }}
          className={cx(
            "w-full overflow-hidden rounded-lg border border-text/10 bg-bg/70 text-text shadow-2xl inset-shadow-xs shadow-black/40 inset-shadow-text/10 backdrop-blur-2xl backdrop-saturate-150",
            "transition-[max-width] duration-600 motion-reduce:transition-none",
            EASE,
            open ? "max-w-136" : "max-w-md",
          )}
        >
          <div className="flex items-center justify-between p-3">
            <a href="#" aria-label="Logo, home" className={cx("rounded-sm", focusRing)}>
              <span
                aria-hidden
                className="block h-5 w-[3.84rem] bg-text"
                style={{
                  maskImage: "url(/assets/images/logoipsum.svg)",
                  maskSize: "contain",
                  maskRepeat: "no-repeat",
                  maskPosition: "left center",
                }}
              />
            </a>

            {/* MENU while closed (a small light Button); a plain cross while open (a ghost Button). */}
            <Button
              ref={toggle}
              variant={open ? "ghost" : "inverse"}
              size={open ? "icon-sm" : "sm"}
              aria-label={open ? "Close menu" : "Open menu"}
              aria-expanded={open}
              aria-controls="navigation-1-panel"
              onClick={() => setOpen((value) => !value)}
              className={cx("uppercase", !open && "w-18")}
            >
              <span className="grid place-items-center">
                <span
                  className={cx(
                    "col-start-1 row-start-1 transition-opacity duration-200 motion-reduce:transition-none",
                    open ? "opacity-0" : "opacity-100 delay-100",
                  )}
                >
                  Menu
                </span>
                <X
                  aria-hidden
                  className={cx(
                    "col-start-1 row-start-1 size-6 transition-[opacity,rotate] duration-500 motion-reduce:transition-none",
                    EASE,
                    open ? "rotate-0 opacity-100 delay-100" : "-rotate-90 opacity-0",
                  )}
                />
              </span>
            </Button>
          </div>

          <div
            id="navigation-1-panel"
            inert={!open}
            className={cx(
              "grid transition-[grid-template-rows] duration-600 motion-reduce:transition-none",
              EASE,
              open ? "grid-rows-[1fr]" : "grid-rows-[0fr]",
            )}
          >
            <div className="overflow-hidden">
              <nav aria-label="Main" className="px-3 pt-2 pb-6">
                <ul>
                  {links.map((label, index) => (
                    <NavLink
                      key={label}
                      label={label}
                      current={label === current}
                      open={open}
                      step={index}
                      onChoose={() => {
                        setCurrent(label);
                        setOpen(false);
                      }}
                    />
                  ))}
                </ul>
              </nav>

              {/* A faint hairline that draws itself from left to right. */}
              <div className="px-3">
                <div
                  aria-hidden
                  style={stagger(open, links.length)}
                  className={cx(
                    "h-px origin-left bg-text/10 transition-[scale] motion-reduce:transition-none",
                    GLIDE,
                    open ? "scale-x-100 duration-1000" : "scale-x-0 duration-200",
                  )}
                />
              </div>

              <div className="grid grid-cols-[1fr_auto] gap-6 px-3 pt-6 pb-4 text-sm">
                <div className="flex flex-col gap-1.5">
                  <p style={settle(open, 0)} className={cx("text-text/70", soft(open, false))}>
                    Contact
                  </p>
                  {contact.map(({ label, href }, index) => (
                    <a
                      key={label}
                      href={href}
                      style={settle(open, index + 1)}
                      className={cx("w-fit rounded-sm hover:text-accent", focusRing, soft(open))}
                    >
                      {label}
                    </a>
                  ))}
                  <p style={settle(open, contact.length + 1)} className={cx("text-text/70", soft(open))}>
                    {address}
                  </p>
                </div>
                {/* Follow us sits against the right edge, with the same three rows as Contact. */}
                <div className="flex flex-col items-end gap-1.5">
                  <p style={settle(open, 0)} className={cx("text-text/70", soft(open, false))}>
                    Follow us
                  </p>
                  {social.map(({ label, href }, index) => (
                    <a
                      key={label}
                      href={href}
                      target="_blank"
                      rel="noopener noreferrer"
                      style={settle(open, index + 1)}
                      className={cx("flex w-fit items-center gap-1 rounded-sm hover:text-accent", focusRing, soft(open))}
                    >
                      {label}
                      <span className="sr-only"> (opens in a new tab)</span>
                      <ArrowUpRight aria-hidden className="size-3.5" />
                    </a>
                  ))}
                </div>
              </div>
            </div>
          </div>
        </div>
      </div>
    </section>
  );
}
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Navigation 1

Prerequisites
