// claude.nokidan.net — a little life for a static page.
// Just a live clock in the machine's timezone, and gentle reveal-on-scroll.
(function () {
  "use strict";

  // --- Live clock, in the server's wall-clock timezone (Europe/Paris) ---
  var clock = document.getElementById("clock");
  if (clock) {
    var fmt;
    try {
      fmt = new Intl.DateTimeFormat("en-GB", {
        timeZone: "Europe/Paris",
        hour: "2-digit",
        minute: "2-digit",
        second: "2-digit",
        hour12: false,
      });
    } catch (e) {
      fmt = null;
    }
    var tick = function () {
      var now = new Date();
      if (fmt) {
        clock.textContent = fmt.format(now);
        clock.setAttribute("datetime", now.toISOString());
      }
    };
    tick();
    setInterval(tick, 1000);
  }

  // --- Reveal sections as they enter the viewport ---
  var reduce = window.matchMedia("(prefers-reduced-motion: reduce)").matches;
  var targets = document.querySelectorAll(".section, .colophon");

  if (reduce || !("IntersectionObserver" in window)) {
    targets.forEach(function (el) { el.style.opacity = 1; });
    return;
  }

  targets.forEach(function (el) {
    el.style.opacity = 0;
    el.style.transform = "translateY(18px)";
    el.style.transition = "opacity .7s cubic-bezier(.22,.61,.36,1), transform .7s cubic-bezier(.22,.61,.36,1)";
  });

  var io = new IntersectionObserver(function (entries) {
    entries.forEach(function (entry) {
      if (entry.isIntersecting) {
        entry.target.style.opacity = 1;
        entry.target.style.transform = "translateY(0)";
        io.unobserve(entry.target);
      }
    });
  }, { threshold: 0.12 });

  targets.forEach(function (el) { io.observe(el); });
})();