/* ================================================================
   VARIANT 5 — RAW ENERGY
   Brutalist, bold, festival-stage energy.
   ================================================================ */

/* ─── CSS Variables ──────────────────────────────────────────────── */
:root {
  --color-bg:        #000000;
  --color-surface:   #111111;
  --color-primary:   #FFE500;   /* Hazard yellow */
  --color-secondary: #FF0000;   /* Emergency red */
  --color-tertiary:  #FF6600;   /* Warning orange */
  --color-text:      #FFFFFF;
  --color-text-dim:  #999999;
  --color-error:     #FF0000;
  --color-success:   #FFE500;

  --font-heading:    'Anton', Impact, 'Arial Black', sans-serif;
  --font-body:       'Roboto Mono', 'Courier New', monospace;

  --border-thick:    4px solid var(--color-primary);
  --border-medium:   2px solid var(--color-primary);
  --border-input:    2px solid var(--color-text);

  --radius:          0;  /* Brutalist = no border radius */

  --container-max:   1100px;
  --gutter:          clamp(16px, 4vw, 48px);

  --transition:      150ms ease;
}

/* ─── Reset & Base ───────────────────────────────────────────────── */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

::selection {
  background: var(--color-primary);
  color: var(--color-bg);
}

/* Focus ring */
:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

/* ─── Container ──────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

/* ─── Section Heading ────────────────────────────────────────────── */
.section-heading {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 8vw, 6rem);
  line-height: 1;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: -0.02em;
  margin-bottom: 2rem;
}


/* ================================================================
   HERO SECTION
   ================================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
  border-bottom: var(--border-thick);
  overflow: hidden;
}

.hero__inner {
  text-align: center;
  padding: 0 var(--gutter);
}

.hero__title {
  font-family: var(--font-heading);
  font-size: calc(15vw);
  line-height: 0.9;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: -0.03em;
  white-space: nowrap;
  user-select: none;

  /* Subtle text shadow for depth */
  text-shadow:
    4px 4px 0 var(--color-secondary),
    8px 8px 0 rgba(255, 0, 0, 0.3);
}

/* ─── Marquee (Warning Tape) ────────────────────────────────────── */
.marquee {
  width: 100%;
  overflow: hidden;
  background: var(--color-primary);
  padding: 12px 0;
  margin-top: 2rem;
  transform: rotate(-1deg) scale(1.02);

  /* Diagonal stripe overlay on the tape */
  background-image: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 10px,
    rgba(0, 0, 0, 0.06) 10px,
    rgba(0, 0, 0, 0.06) 20px
  );
  background-color: var(--color-primary);
}

.marquee__track {
  display: flex;
  width: max-content;
  animation: marquee-scroll 20s linear infinite;
}

.marquee__content {
  font-family: var(--font-heading);
  font-size: clamp(1.2rem, 3vw, 2rem);
  color: var(--color-bg);
  text-transform: uppercase;
  white-space: nowrap;
  letter-spacing: 0.05em;
  flex-shrink: 0;
}

@keyframes marquee-scroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ─── Hero Sub Text ──────────────────────────────────────────────── */
.hero__sub {
  font-family: var(--font-body);
  font-size: clamp(1rem, 2.5vw, 1.4rem);
  font-weight: 700;
  color: var(--color-text);
  text-transform: uppercase;
  text-align: center;
  margin-top: 2.5rem;
  letter-spacing: 0.05em;
  padding: 0 var(--gutter);
}

/* ─── Scroll Indicator ───────────────────────────────────────────── */
.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  text-decoration: none;
}

.hero__scroll-arrow {
  display: block;
  width: 20px;
  height: 20px;
  border-right: 3px solid var(--color-primary);
  border-bottom: 3px solid var(--color-primary);
  transform: rotate(45deg);
  animation: scroll-bounce 1.5s ease-in-out infinite;
}

.hero__scroll-arrow:nth-child(2) { animation-delay: 0.15s; opacity: 0.6; }
.hero__scroll-arrow:nth-child(3) { animation-delay: 0.3s; opacity: 0.3; }

@keyframes scroll-bounce {
  0%, 100% { transform: rotate(45deg) translateY(0); }
  50%      { transform: rotate(45deg) translateY(6px); }
}


/* ================================================================
   CATEGORIES SECTION
   ================================================================ */
.categories {
  padding: 6rem 0;
  background: var(--color-bg);
  border-bottom: var(--border-thick);
}

.categories__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 0;  /* Brutalist: no gap, borders handle spacing */
}

.categories__block {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  color: var(--color-text);
  text-transform: uppercase;
  background: var(--color-surface);
  border: var(--border-thick);
  padding: 2rem 1.5rem;
  cursor: pointer;
  text-align: left;
  transition:
    background var(--transition),
    color var(--transition),
    transform var(--transition);
  position: relative;
  overflow: hidden;
}

.categories__block::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--color-primary);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 200ms ease;
  z-index: 0;
}

.categories__block:hover::before,
.categories__block:focus-visible::before {
  transform: scaleY(1);
}

.categories__block:hover,
.categories__block:focus-visible {
  color: var(--color-bg);
}

.categories__block[aria-checked="true"] {
  background: var(--color-primary);
  color: var(--color-bg);
}

.categories__block[aria-checked="true"]::before {
  transform: scaleY(1);
}

.categories__label {
  position: relative;
  z-index: 1;
  display: block;
  letter-spacing: 0.02em;
}


/* ================================================================
   FORM SECTION
   ================================================================ */
.submit-section {
  padding: 6rem 0;
  background: var(--color-bg);
}

/* ─── Form Layout ────────────────────────────────────────────────── */
.form {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* ─── Form Group ─────────────────────────────────────────────────── */
.form__group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form__label {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form__required {
  color: var(--color-secondary);
  font-weight: 700;
}

.form__optional {
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--color-text-dim);
  text-transform: uppercase;
  margin-left: 0.5rem;
}

.form__hint {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ─── Inputs ─────────────────────────────────────────────────────── */
.form__input {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  background: var(--color-bg);
  border: var(--border-input);
  padding: 14px 16px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  transition:
    border-color var(--transition),
    box-shadow var(--transition);
}

.form__input::placeholder {
  color: var(--color-text-dim);
  opacity: 1;
  text-transform: uppercase;
}

.form__input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(255, 229, 0, 0.3);
}

/* Error state */
.form__group.has-error .form__input {
  border-color: var(--color-error);
  box-shadow: 0 0 0 2px rgba(255, 0, 0, 0.3);
}

.form__error {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-error);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  min-height: 1.2em;
}

/* ─── Textarea ───────────────────────────────────────────────────── */
.form__textarea {
  resize: vertical;
  min-height: 120px;
}

.form__counter {
  font-size: 0.75rem;
  color: var(--color-text-dim);
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* ─── Category Display ───────────────────────────────────────────── */
.form__category-display {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  background: var(--color-surface);
  border: var(--border-thick);
  padding: 16px 20px;
  color: var(--color-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.form__category-display.is-selected {
  color: var(--color-bg);
  background: var(--color-primary);
  border-color: var(--color-primary);
}

/* ─── Noscript radios fallback ───────────────────────────────────── */
.form__radios {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.form__radios label {
  font-family: var(--font-body);
  font-weight: 700;
  color: var(--color-text);
  cursor: pointer;
  text-transform: uppercase;
}


/* ================================================================
   UPLOAD ZONE
   ================================================================ */
.upload {
  position: relative;
  border: 4px dashed var(--color-primary);
  background: var(--color-surface);
  padding: 3rem 2rem;
  text-align: center;
  cursor: pointer;
  transition:
    background var(--transition),
    border-color var(--transition);
  overflow: hidden;

  /* Diagonal stripe background pattern */
  background-image: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 20px,
    rgba(255, 229, 0, 0.03) 20px,
    rgba(255, 229, 0, 0.03) 40px
  );
  background-color: var(--color-surface);
}

.upload:hover,
.upload.is-dragover {
  background-color: #1a1a00;
  border-color: var(--color-primary);
  background-image: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 20px,
    rgba(255, 229, 0, 0.08) 20px,
    rgba(255, 229, 0, 0.08) 40px
  );
}

.upload.is-dragover {
  border-style: solid;
  animation: upload-pulse 0.6s ease infinite alternate;
}

@keyframes upload-pulse {
  0%   { box-shadow: inset 0 0 0 0 rgba(255, 229, 0, 0); }
  100% { box-shadow: inset 0 0 40px 0 rgba(255, 229, 0, 0.15); }
}

.upload__input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  z-index: 2;
}

.upload__icon {
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.upload__text {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  color: var(--color-primary);
  text-transform: uppercase;
}

.upload__text--small {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--color-text-dim);
  margin-top: 0.25rem;
}

.upload__browse {
  color: var(--color-primary);
  font-weight: 700;
  text-decoration: underline;
}

.upload__formats {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-text-dim);
  text-transform: uppercase;
  margin-top: 0.75rem;
  letter-spacing: 0.05em;
}

/* File selected */
.upload__file {
  display: flex;
  align-items: center;
  gap: 1rem;
  text-align: left;
}

.upload__file-icon {
  color: var(--color-primary);
  flex-shrink: 0;
}

.upload__file-info {
  flex: 1;
  min-width: 0;
}

.upload__file-name {
  display: block;
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  word-break: break-all;
}

.upload__file-size {
  display: block;
  font-size: 0.8rem;
  color: var(--color-text-dim);
  margin-top: 0.25rem;
}

.upload__remove {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  background: var(--color-secondary);
  border: 2px solid var(--color-secondary);
  color: var(--color-text);
  cursor: pointer;
  transition: background var(--transition);
  position: relative;
  z-index: 3;
}

.upload__remove:hover {
  background: #cc0000;
}

/* Progress */
.upload__progress {
  position: relative;
  height: 32px;
  background: var(--color-surface);
  border: 2px solid var(--color-primary);
  overflow: hidden;
}

.upload__progress-bar {
  height: 100%;
  background: var(--color-primary);
  width: 0%;
  transition: width 200ms ease;
}

.upload__progress-text {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-bg);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  mix-blend-mode: difference;
}


/* ================================================================
   SUBMIT BUTTON
   ================================================================ */
.form__submit {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  color: var(--color-bg);
  background: var(--color-primary);
  border: var(--border-thick);
  border-color: var(--color-primary);
  padding: 20px 32px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  width: 100%;
  text-align: center;
  transition:
    background var(--transition),
    color var(--transition),
    transform var(--transition);
  position: relative;
  overflow: hidden;
}

.form__submit:hover:not(:disabled) {
  background: var(--color-bg);
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.form__submit:active:not(:disabled) {
  transform: scale(0.98);
}

.form__submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Loader dots */
.form__submit-loader {
  display: inline-flex;
  gap: 6px;
  align-items: center;
  justify-content: center;
}

.form__submit-loader span {
  width: 10px;
  height: 10px;
  background: currentColor;
  animation: loader-dot 0.8s ease infinite alternate;
}

.form__submit-loader span:nth-child(2) { animation-delay: 0.15s; }
.form__submit-loader span:nth-child(3) { animation-delay: 0.3s; }

@keyframes loader-dot {
  0%   { opacity: 0.3; transform: scale(0.8); }
  100% { opacity: 1;   transform: scale(1.2); }
}


/* ================================================================
   SUCCESS STATE
   ================================================================ */
.success {
  text-align: center;
  padding: 4rem 2rem;
  border: var(--border-thick);
  background: var(--color-surface);
  position: relative;
  overflow: hidden;
}

/* Flash animation on reveal */
.success__flash {
  position: absolute;
  inset: 0;
  background: var(--color-primary);
  animation: success-flash 0.6s ease-out forwards;
  pointer-events: none;
}

@keyframes success-flash {
  0%   { opacity: 1; }
  100% { opacity: 0; }
}

.success__title {
  font-family: var(--font-heading);
  font-size: clamp(3rem, 10vw, 7rem);
  color: var(--color-primary);
  text-transform: uppercase;
  line-height: 1;
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 1;
}

.success__id {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 1;
}

.success__message {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
}

.success__timeline {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--color-text-dim);
  text-transform: uppercase;
  position: relative;
  z-index: 1;
}


/* ================================================================
   FOOTER
   ================================================================ */
.footer {
  border-top: var(--border-thick);
  padding: 4rem 0;
  text-align: center;
  background: var(--color-bg);
}

.footer__brand {
  font-family: var(--font-heading);
  font-size: clamp(3rem, 8vw, 6rem);
  color: var(--color-primary);
  text-transform: uppercase;
  display: block;
  line-height: 1;
  margin-bottom: 1rem;
}

.footer__tagline {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 1rem;
}

.footer__copy {
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--color-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}


/* ================================================================
   ANIMATIONS — Shake on Error
   ================================================================ */
.shake {
  animation: shake 0.4s ease;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%      { transform: translateX(-8px); }
  40%      { transform: translateX(8px); }
  60%      { transform: translateX(-6px); }
  80%      { transform: translateX(6px); }
}

/* Error flash */
.flash-error {
  animation: flash-red 0.3s ease;
}

@keyframes flash-red {
  0%   { background-color: rgba(255, 0, 0, 0.2); }
  100% { background-color: transparent; }
}


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

/* Tablet and up */
@media (min-width: 640px) {
  .categories__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Desktop */
@media (min-width: 900px) {
  .categories__grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .categories__block {
    padding: 2.5rem 2rem;
  }
}

/* Large screens */
@media (min-width: 1200px) {
  .hero__title {
    font-size: 13vw;
  }
}

/* Small screens */
@media (max-width: 480px) {
  .hero__title {
    font-size: 18vw;
  }

  .categories__grid {
    grid-template-columns: 1fr;
  }

  .categories__block {
    padding: 1.5rem 1.25rem;
  }

  .section-heading {
    font-size: 2rem;
  }

  .upload {
    padding: 2rem 1rem;
  }

  .form__submit {
    font-size: 1.3rem;
    padding: 16px 20px;
  }

  .success__title {
    font-size: 2.5rem;
  }
}

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .marquee__track {
    animation: none;
  }
}