/* ===========================================================================
   deBR Management SRL — single-screen splash
   Colours: navy #002551 and white only.
   Self-contained except for the Playfair Display title font (Google Fonts).
   =========================================================================== */

:root {
  --navy:      #002551;
  --white:     #ffffff;
  /* All text is white */
  --text:      var(--white);
  --muted:     rgba(255, 255, 255, 0.72);
  /* Blue, barely-transparent content box */
  --card-bg:   rgba(0, 37, 81, 0.90);
  /* Navy overlay over the photo */
  --overlay:   rgba(0, 37, 81, 0.35);
  --serif:     "Playfair Display", Georgia, "Times New Roman", serif;
}

* { box-sizing: border-box; }
html, body { height: 100%; }

body {
  margin: 0;
  font-family: var(--serif);
  color: var(--text);
  background: var(--navy);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.page {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: clamp(1.5rem, 5vw, 3rem);
  overflow: hidden;
}

/* Full-viewport photo behind everything.
   Optimised, responsive variants are generated from hero.jpg in AVIF, WebP and
   JPEG (see hero-<width>.<ext>). image-set() lets the browser pick the best
   format it supports; media queries pick a width that suits the viewport.
   The plain url() is a fallback for browsers without image-set(). */
.page::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image: url("hero-1280.jpg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

/* Small phones */
@media (max-width: 600px) {
  .page::after {
    background-image: url("hero-768.jpg");
    background-image: -webkit-image-set(
      url("hero-768.avif") type("image/avif"),
      url("hero-768.webp") type("image/webp"),
      url("hero-768.jpg") type("image/jpeg"));
    background-image: image-set(
      url("hero-768.avif") type("image/avif"),
      url("hero-768.webp") type("image/webp"),
      url("hero-768.jpg") type("image/jpeg"));
  }
}

/* Default / tablets */
@media (min-width: 601px) {
  .page::after {
    background-image: -webkit-image-set(
      url("hero-1280.avif") type("image/avif"),
      url("hero-1280.webp") type("image/webp"),
      url("hero-1280.jpg") type("image/jpeg"));
    background-image: image-set(
      url("hero-1280.avif") type("image/avif"),
      url("hero-1280.webp") type("image/webp"),
      url("hero-1280.jpg") type("image/jpeg"));
  }
}

/* Laptops */
@media (min-width: 1281px) {
  .page::after {
    background-image: -webkit-image-set(
      url("hero-1920.avif") type("image/avif"),
      url("hero-1920.webp") type("image/webp"),
      url("hero-1920.jpg") type("image/jpeg"));
    background-image: image-set(
      url("hero-1920.avif") type("image/avif"),
      url("hero-1920.webp") type("image/webp"),
      url("hero-1920.jpg") type("image/jpeg"));
  }
}

/* Large / 2K displays */
@media (min-width: 1921px) {
  .page::after {
    background-image: -webkit-image-set(
      url("hero-2560.avif") type("image/avif"),
      url("hero-2560.webp") type("image/webp"),
      url("hero-2560.jpg") type("image/jpeg"));
    background-image: image-set(
      url("hero-2560.avif") type("image/avif"),
      url("hero-2560.webp") type("image/webp"),
      url("hero-2560.jpg") type("image/jpeg"));
  }
}

/* 4K displays */
@media (min-width: 2561px) {
  .page::after {
    background-image: -webkit-image-set(
      url("hero-3840.avif") type("image/avif"),
      url("hero-3840.webp") type("image/webp"),
      url("hero-3840.jpg") type("image/jpeg"));
    background-image: image-set(
      url("hero-3840.avif") type("image/avif"),
      url("hero-3840.webp") type("image/webp"),
      url("hero-3840.jpg") type("image/jpeg"));
  }
}

/* Navy overlay over the photo */
.page::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background: var(--overlay);
  pointer-events: none;
}

.card {
  position: relative;
  z-index: 1;
  /* Centred content box sized to 60% of the viewport */
  width: 60vw;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: clamp(1.2rem, 3vh, 2.2rem);
  /* Blue, barely-transparent panel with a drop shadow, square corners */
  background: var(--card-bg);
  box-shadow: 0 24px 60px rgba(0, 12, 28, 0.5);
  padding: clamp(1.5rem, 5vw, 3.5rem);
}

@media (max-width: 700px) {
  .card { width: 88vw; height: auto; min-height: 60vh; }
}

/* ---- Logo --------------------------------------------------------------- */
.logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
}
.logo-img {
  display: block;
  width: clamp(200px, 42vw, 420px);
  height: auto;
  max-height: 26vh;
  object-fit: contain;
}

/* ---- Email -------------------------------------------------------------- */
.email { margin: 0; font-size: 1.05rem; }
.email a {
  color: var(--text);
  text-decoration: none;
  transition: opacity 0.2s ease;
}
.email a:hover { opacity: 0.7; }

/* ---- Legal -------------------------------------------------------------- */
.legal {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.7;
  letter-spacing: 0.03em;
  color: var(--muted);
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}