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

* {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

input,
button,
textarea,
select {
  font: inherit;
}

p,
h1,
h2,
h3,
h4,
h5,
h6 {
  overflow-wrap: break-word;
}

ul,
ol {
  list-style: none;
}

a {
  text-decoration: none;
  color: inherit;
}

button {
  border: none;
  background: none;
  cursor: pointer;
}

/* Animation Styles */
/* Fade In Animation */
[data-animate] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

[data-animate].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered Animation Delays */
[data-animate]:nth-child(1) {
  transition-delay: 0s;
}

[data-animate]:nth-child(2) {
  transition-delay: 0.1s;
}

[data-animate]:nth-child(3) {
  transition-delay: 0.2s;
}

[data-animate]:nth-child(4) {
  transition-delay: 0.3s;
}

/* Fade In from Left */
[data-animate-left] {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

[data-animate-left].is-visible {
  opacity: 1;
  transform: translateX(0);
}

/* Fade In from Right */
[data-animate-right] {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

[data-animate-right].is-visible {
  opacity: 1;
  transform: translateX(0);
}

/* Scale Animation */
[data-animate-scale] {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

[data-animate-scale].is-visible {
  opacity: 1;
  transform: scale(1);
}

/* Reduced Motion Preference */
@media (prefers-reduced-motion: reduce) {
  [data-animate],
  [data-animate-left],
  [data-animate-right],
  [data-animate-scale] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

.container {
  position: relative;
}

/* Upload form */
.upload-form {
  --uf-pink: #fff1f1;
  --color-yellow: #e4f24f;
  --uf-gap: 15px;
  display: flex;
  flex-direction: column;
  gap: var(--uf-gap);
  color: var(--color-white);
  text-transform: uppercase;
}

.upload-form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--uf-gap);
}

@media (min-width: 768px) {
  .upload-form-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.upload-form-field {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 10px 15px 10px;
  border: 2px solid var(--color-white);
  border-radius: 5px;
  background: transparent;
  cursor: text;
}

.upload-form-field label {
  font-size: 15px;
  line-height: 1.2;
}

.upload-form input[type='text'],
.upload-form input[type='email'],
.upload-form textarea {
  width: 100%;
  padding: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--color-white);
  text-transform: none;
}

.upload-form textarea {
  resize: vertical;
  min-height: 90px;
}

.upload-form ::placeholder {
  color: rgba(255, 255, 255, 0.45);
  opacity: 1;
  text-transform: uppercase;
}

.upload-form-field:focus-within {
  border-color: var(--color-yellow);
}

.upload-form-upload {
  position: relative;
}

.upload-form-file {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  pointer-events: none;
}

.upload-form-drop {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
  padding: 15px;
  border-radius: 5px;
  background: var(--uf-pink);
  color: var(--color-black);
  font-weight: 800;
  cursor: pointer;
  /* riempimento giallo da sinistra: hover o file scelto */
  background-image: linear-gradient(var(--color-yellow), var(--color-yellow));
  background-repeat: no-repeat;
  background-position: left center;
  background-size: 0% 100%;
  transition: background-size 0.4s ease;
  overflow: hidden;
  isolation: isolate;
  -webkit-mask-image: -webkit-radial-gradient(white, black);
}

.upload-form-drop:hover,
.upload-form-upload.has-file .upload-form-drop {
  background-size: 100% 100%;
}

@media (prefers-reduced-motion: reduce) {
  .upload-form-drop {
    transition: none;
  }
}

.upload-form-drop-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.upload-form-drop-label,
.upload-form-drop-file {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.upload-form-drop-file {
  font-size: 0.8em;
  font-weight: 400;
}

.upload-form-drop-file:empty {
  display: none;
}

.upload-form-icon {
  flex: 0 0 auto;
}

.upload-form-file:focus-visible + .upload-form-drop {
  outline: 2px solid var(--color-yellow);
  outline-offset: 2px;
}

.upload-form-privacy {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
}

.upload-form-hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.upload-form-progress {
  height: 5px;
  background: rgba(255, 255, 255, 0.2);
}

.upload-form-bar {
  height: 100%;
  width: 0;
  background: var(--color-yellow);
  transition: width 0.15s linear;
}

.upload-form-field-error {
  margin: 0;
  font-size: 13px;
  line-height: 1.3;
  color: #ff6b6b;
}

.upload-form-field.has-error {
  border-color: #ff6b6b;
}

.upload-form-upload.has-error .upload-form-drop {
  outline: 2px solid #ff6b6b;
  outline-offset: 2px;
}

.upload-form-upload .upload-form-field-error {
  margin-top: 6px;
}

.upload-form-privacy {
  flex-wrap: wrap;
}

.upload-form-privacy .upload-form-field-error {
  flex-basis: 100%;
}

.upload-form-msg {
  font-size: 15px;
}

.upload-form-msg--error {
  color: #ff6b6b;
}

.upload-form-msg--ok {
  color: var(--color-yellow);
}

.upload-form-submit {
  align-self: center;
  min-width: 260px;
  padding: 15px 40px;
  border-radius: 50px;
  background: var(--color-yellow);
  color: var(--color-black);
  font-weight: 800;
  text-transform: uppercase;
}

.upload-form-submit:disabled {
  opacity: 0.6;
  cursor: wait;
}

/* Marquee */
.marquee {
  overflow: hidden;
  background: var(--color-black);
  color: #fff1f1;
  border-top: 1px solid var(--color-white);
  border-bottom: 1px solid var(--color-white);
}

.marquee--track {
  display: flex;
  width: max-content;
}

.marquee--group {
  display: flex;
  flex: 0 0 auto;
  will-change: transform;
  backface-visibility: hidden;
  animation: marquee-scroll 60s linear infinite;
}

.marquee--group span {
  padding: 0 0.4em;
  font-size: var(--font-h1);
  font-weight: 700;
  line-height: 1.3;
  white-space: nowrap;
  text-transform: uppercase;
}

@keyframes marquee-scroll {
  from {
    transform: translate3d(0, 0, 0);
  }
  to {
    transform: translate3d(-100%, 0, 0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .marquee--group {
    animation-duration: 120s;
  }
}

/* Loghi Saucony | Crusher Running */
.loghi {
  display: block;
  width: 100%;
  max-width: 460px;
  height: auto;
}

/* in basso a destra della sezione bib archive */
#bib-archive {
  position: relative;
}

.bib-archive--logo {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 260px;
  max-width: 50%;
}

@media (min-width: 1200px) {
  .bib-archive--logo {
    width: 360px;
  }
}

.loghi--wrapper {
  position: absolute;
  inset: 0;
  z-index: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 15px;
  pointer-events: none;
}

/* Footer runner */
footer {
  position: relative;
  overflow: hidden;
}

footer .container {
  position: relative;
  z-index: 1;
}

/* sta dentro .footer-bottom: bottom 100% lo appoggia sempre sopra la riga nera */
.footer-runner {
  position: absolute;
  left: 15px;
  bottom: 100%;
  z-index: 0;
  pointer-events: none;
}

.footer-runner-img {
  display: block;
  width: 170px;
  height: auto;
}

/* svg-wrapper */
.svg-wrapper {
  width: 100%;
  display: block;
  height: auto;
  position: relative;
  padding-top: 100%;

  svg,
  img {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    overflow: visible;
    vertical-align: top;
  }
}

/* Puppet: vibra in modo nervoso, come se fosse furioso */
#pageheader {
  overflow-x: clip;
}

.pageheader--puppet {
  will-change: transform;
  animation: puppet-rage 0.35s linear infinite;
}

@keyframes puppet-rage {
  0%,
  100% {
    transform: translate3d(0, 0, 0) rotate(0deg);
  }
  10% {
    transform: translate3d(-4px, 2px, 0) rotate(-2deg);
  }
  20% {
    transform: translate3d(5px, -3px, 0) rotate(2.5deg);
  }
  30% {
    transform: translate3d(-6px, 1px, 0) rotate(-1.5deg);
  }
  40% {
    transform: translate3d(4px, 3px, 0) rotate(3deg);
  }
  50% {
    transform: translate3d(-3px, -4px, 0) rotate(-3deg);
  }
  60% {
    transform: translate3d(6px, 2px, 0) rotate(1.5deg);
  }
  70% {
    transform: translate3d(-5px, -1px, 0) rotate(-2.5deg);
  }
  80% {
    transform: translate3d(3px, 4px, 0) rotate(2deg);
  }
  90% {
    transform: translate3d(-4px, -2px, 0) rotate(-1deg);
  }
}

/* Bottoni: riempimento da sinistra al hover (giallo <-> nero) */
.btn--header,
.upload-form-submit {
  --btn-fill: var(--color-black);
  --btn-text-hover: var(--color-yellow);
  background-image: linear-gradient(var(--btn-fill), var(--btn-fill));
  background-repeat: no-repeat;
  background-position: left center;
  background-size: 0% 100%;
  transition: background-size 0.4s ease, color 0.4s ease;
  border-radius: 50px;
  background-clip: padding-box;
  overflow: hidden;
  isolation: isolate;
  -webkit-mask-image: -webkit-radial-gradient(white, black);
}

.btn--header:hover,
.btn--header:focus-visible,
.upload-form-submit:hover:not(:disabled),
.upload-form-submit:focus-visible {
  background-size: 100% 100%;
  color: var(--btn-text-hover);
}

/* Bootstrap di default rende il bordo trasparente in hover/active: lo teniamo nero */
.btn--header {
  --bs-btn-border-color: var(--color-black);
  --bs-btn-hover-border-color: var(--color-black);
  --bs-btn-active-border-color: var(--color-black);
}

/* il submit sta su sfondo scuro: bordo giallo per non sparire quando si riempie di nero */
.upload-form-submit {
  border: 2px solid var(--color-yellow);
  --btn-text-hover: var(--color-yellow);
}

@media (prefers-reduced-motion: reduce) {
  .pageheader--puppet {
    animation: none;
  }

  .btn--header,
  .upload-form-submit {
    transition: none;
  }
}