/* Copyright (c) 2025 by Filip Zrnzevic (https://codepen.io/filipz/pen/ogjXgBP) */
@import url("https://fonts.cdnfonts.com/css/pp-neue-montreal");

@font-face {
  font-family: "PPSupplyMono";
  src: url("https://assets.codepen.io/7558/PPSupplyMono-Regular.ttf")
    format("truetype");
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

:root {
  --warm-off-white: #ffffff;
  --warm-off-white-dim: #cccccc;
  --text-primary: #ffffff;
  --text-secondary: #cccccc;

  --background-dark: #1a1a1a;

  --font-primary: "PP Neue Montreal", sans-serif;
  --font-secondary: "PPSupplyMono", monospace;
  --font-sans: "PP Neue Montreal", sans-serif;

  --font-size-small: 10px;
  --font-size-regular: 1rem;
  --font-size-medium: 1.5rem;
  --font-size-large: 4rem;

  --spacing-small: 0.5rem;
  --spacing-medium: 1rem;
  --spacing-large: 2rem;

  --transition-fast: 0.3s ease;
  --transition-medium: 0.5s cubic-bezier(0.445, 0.05, 0.55, 0.95);
}

*,
*:before,
*:after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

@media (min-width: 768px) {
  html {
    font-size: 18px;
  }
}

@media (min-width: 1200px) {
  html {
    font-size: 20px;
  }
}

body {
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;

  color: var(--text-primary);
  background-color: var(--background-dark);
  font-family: var(--font-secondary);
  font-size: var(--font-size-small);
}

/* ========= SEZIONI ========= */
.section {
  width: 100%;
  position: relative;
}

/* HERO: poster full-screen */
.hero-section {
  min-height: 100vh;
  height: 100vh;
  position: relative;
  padding: var(--spacing-large);
}

/* poster elements always visible */
.hero-section .header-area,
.hero-section .hero,
.hero-section .contact-info,
.hero-section .footer-links,
.hero-section .coordinates {
  position: fixed;
}

/* ========= IFRAME / FIN (✅ compatta: “sale solo la card”, niente blocco nero) ========= */
.fin-section {
  position: relative;
  z-index: 20;
  padding: 6rem 0;
  background: transparent;
}

/* iframe con altezza controllata (così la sezione non è enorme) */
.card-embed {
  display: block;
  width: 100%;
  border: 0;
  height: 480px;
}

/* mobile: più compatto */
@media (max-width: 768px) {
  .card-embed {
    height: 460px;
  }
}

/* mobile piccolo */
@media (max-width: 480px) {
  .card-embed {
    height: 420px;
  }
}

/* ========= GRAIN OVERLAY ========= */
body::after {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url("https://img.freepik.com/premium-photo/white-dust-scratches-black-background_279525-2.jpg?w=640");
  background-repeat: repeat;
  opacity: 0.2;
  mix-blend-mode: multiply;
  pointer-events: none;
  z-index: 1;
  filter: invert(0);
}

/* ========= THREE.JS BACKGROUND ========= */
#container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: #0f0f0f;
  z-index: 0;
  pointer-events: none;
}

#container canvas {
  pointer-events: none;
}

/* ========= UI / STATS ========= */
#ui-container {
  position: fixed;
  top: 10px;
  right: 10px;
  z-index: 9999;
  opacity: 0.8;
  transition: opacity var(--transition-fast);
  pointer-events: auto;
}

#ui-container:hover {
  opacity: 1;
}

#stats {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 9999;
  pointer-events: auto;
}

/* ========= HEADER ========= */
.header-area {
  top: var(--spacing-large);
  left: 0;
  width: 100%;
  padding: 0 var(--spacing-large);
  display: flex;
  justify-content: center;
  z-index: 10;
}

.logo-container {
  position: absolute;
  left: var(--spacing-large);
  top: 0;
  display: flex;
  align-items: center;
  height: 2rem;
  z-index: 10;
  cursor: pointer;
}

.logo-circles {
  position: relative;
  width: 100%;
  height: 100%;
}

.circle {
  position: absolute;
  border-radius: 50%;
  transition: transform var(--transition-medium);
  width: 5rem;
  height: 5rem;
  background-color: var(--text-primary);
  top: 50%;
}

.circle-1 {
  left: 0;
  transform: translate(0, -50%);
}

.circle-2 {
  left: 0.8rem;
  transform: translate(0, -50%);
  mix-blend-mode: exclusion;
}

.logo-container:hover .circle-1 {
  transform: translate(-0.5rem, -50%);
}

.logo-container:hover .circle-2 {
  transform: translate(0.5rem, -50%);
}

.center-logo {
  text-align: center;
  z-index: 10;
  height: 2rem;
}

#logo-text {
  font-family: var(--font-primary);
  font-weight: 400;
  font-size: var(--font-size-medium);
  line-height: 1;
  margin: 0;
  color: var(--text-primary);
  text-transform: none;
}

/* ========= HERO ========= */
.hero {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  z-index: 10;
  color: var(--text-primary);
  width: 90%;
  max-width: 800px;
}

.hero h1 {
  font-family: var(--font-primary);
  font-weight: 400;
  font-size: var(--font-size-large);
  line-height: 0.9;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  text-transform: none;
  margin: 0 0 2rem 0;
}

.hero h2 {
  font-family: var(--font-secondary);
  font-size: var(--font-size-small);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  line-height: 1.4;
  opacity: 0.7;
  transition: opacity var(--transition-fast);
  font-weight: normal;
  margin: 0;
}

.hero:hover h2 {
  opacity: 1;
}

/* ========= CONTACT ========= */
.contact-info {
  top: 50%;
  left: var(--spacing-large);
  transform: translateY(-50%);
  z-index: 10;
  font-family: var(--font-secondary);
  letter-spacing: 0.05em;
  font-size: var(--font-size-small);
  color: var(--text-primary);
  text-transform: uppercase;
}

.contact-heading {
  font-size: var(--font-size-small);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-small);
}

.contact-email {
  display: block;
  color: var(--text-primary);
  text-decoration: none;
  transition: all var(--transition-fast);
  cursor: pointer;
}

.contact-email:hover {
  color: var(--text-secondary);
}

/* ========= FOOTER LINKS ========= */
.footer-links {
  bottom: var(--spacing-large);
  left: var(--spacing-large);
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.25rem;
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: var(--font-size-regular);
}

.footer-link {
  color: var(--text-secondary);
  text-decoration: none;
  transition: all var(--transition-fast);
  position: relative;
  padding-left: 0;
  text-transform: none;
  font-size: 1rem;
}

.footer-link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 0;
  height: 1px;
  background-color: var(--text-primary);
  transform: translateY(-50%);
  transition: width var(--transition-fast), opacity var(--transition-fast);
  opacity: 0;
}

.footer-link:hover {
  color: var(--text-primary);
  padding-left: 1.2rem;
}

.footer-link:hover::before {
  width: 0.8rem;
  opacity: 1;
}

.coordinates {
  bottom: var(--spacing-large);
  right: var(--spacing-large);
  text-align: right;
  z-index: 10;
  font-family: var(--font-secondary);
  font-size: var(--font-size-small);
  color: var(--text-secondary);
}

/* ========= LINK BASE ========= */
a[href] {
  color: var(--text-secondary);
  text-decoration: none;
  position: relative;
  display: inline-block;
  transition: color var(--transition-fast), opacity var(--transition-fast),
    transform var(--transition-fast);
  opacity: 0.95;
  letter-spacing: 0.05em;
}

a[href]::after {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 100%;
  height: 1px;
  background: var(--text-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-medium), opacity var(--transition-fast);
  opacity: 0.8;
  pointer-events: none;
}

a[href]:hover {
  color: var(--text-primary);
  transform: translateY(-1px);
  opacity: 1;
}

a[href]:hover::after {
  transform: scaleX(1);
}

a[href]:active {
  transform: translateY(0);
  opacity: 0.9;
}

a[href]:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.18);
  border-radius: 2px;
}

.logo {
  text-decoration: none;
  color: inherit;
  display: inline-block;
  cursor: pointer;
}

.logo:hover,
.logo:focus,
.logo:active {
  text-decoration: none;
  color: inherit;
  outline: none;
}

/* tweakpane */
.tp-dfwv {
  min-width: 280px !important;
}

/* ========= RESPONSIVE ========= */

@media (max-width: 768px) {
  .hero h1 {
    font-size: 3rem;
  }

  .footer-links {
    gap: 0.4rem;
  }

  .coordinates {
    font-size: 10px;
  }

  .hero p {
    font-size: 10px;
  }

  .story-display {
    width: 90%;
    font-size: 0.8rem;
  }

  /* controlli su mobile meno invasivi */
  #ui-container {
    top: 8px;
    right: 8px;
    transform: scale(0.9);
    transform-origin: top right;
    opacity: 0.9;
  }

  .tp-dfwv {
    min-width: 220px !important;
  }

  /* contact un filo più in basso per non sovrapporsi alla hero */
  .contact-info {
    top: 68%;
  }
}

@media (max-width: 480px) {
  .hero-section {
    padding: var(--spacing-medium);
  }

  .header-area,
  .contact-info,
  .footer-links,
  .coordinates {
    padding: 0 var(--spacing-medium);
  }

  .logo-container,
  .contact-info,
  .footer-links {
    left: var(--spacing-medium);
  }

  .coordinates {
    right: var(--spacing-medium);
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .circle {
    width: 1.2rem;
    height: 1.2rem;
  }

  .circle-2 {
    left: 0.7rem;
  }

  #logo-text {
    font-size: 1.3rem;
  }

  .contact-heading {
    font-size: 10px;
  }

  .contact-email {
    font-size: 10px;
  }

  .story-display {
    width: 95%;
    font-size: 0.75rem;
  }
}