:root {
  --color-primary: #1a1a1a;
  --color-background: #cbb394;
  --color-text: #1a1a1a;
  --color-border: #1a1a1a;
  --color-accent: #8b3a3a;

  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;

  --font-family: "Times New Roman", serif;
  --font-size-base: 1rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 3rem;

  --border-radius: 0;
  --max-width: 960px;
}

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

::selection {
  background-color: var(--color-accent);
  color: var(--color-background);
}

::-moz-selection {
  background-color: var(--color-accent);
  color: var(--color-background);
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--color-text);
  background-color: #222;
  line-height: 1.6;
  padding: var(--spacing-md);
  min-height: 100vh;
  opacity: 0;
  animation: fadeIn 1s ease-in forwards;
}

@keyframes fadeIn {
  to {
    opacity: 1;
  }
}

main {
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  padding: var(--spacing-xl);
  position: relative;
  z-index: 0;
}

main::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #a4855b;
  background-image: url("/assets/images/texture.webp");
  background-size: cover;
  background-blend-mode: soft-light;
  box-shadow: inset 0 0 0 8px var(--color-background), inset 0 0 0 18px #000;
  filter: url(#rough-edges);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  transform: translateZ(0);
  z-index: -1;
}

main::before {
  content: "";
  position: absolute;
  top: 16px;
  left: 16px;
  right: 16px;
  bottom: 16px;
  border: 2px solid var(--color-primary);
  pointer-events: none;
  filter: url(#rough-edges-subtle);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  transform: translateZ(0);
  z-index: -1;
}

h1 {
  font-size: var(--font-size-xl);
  color: var(--color-primary);
  text-align: center;
  font-weight: 900;
  text-transform: uppercase;
  line-height: 0.95;
}

h1 .large {
  font-size: 2em;
}

h1 .small {
  font-size: 0.5em;
}

h2 {
  text-transform: uppercase;
}

.date {
  text-align: center;
  font-size: 1.5rem;
  margin-top: 0.5rem;
  font-weight: 500;
  letter-spacing: 0.1rem;
}

p {
  text-align: center;
  font-size: 1.2rem;
  font-family: "Times New Roman", Times, serif;
}

form > div {
  margin-bottom: var(--spacing-md);
}

label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
}

input[type="text"],
input[type="email"] {
  width: 100%;
  padding: var(--spacing-sm);
  font-size: var(--font-size-base);
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius);
  font-family: var(--font-family);
  background-color: #fff3;
  transition: box-shadow 0.2s;
  box-shadow: inset 0 0 0 0px var(--color-background);
}

input[type="text"]:focus,
input[type="email"]:focus {
  outline: none;
  box-shadow: inset 0 0 0 4px var(--color-accent);
}

input[type="checkbox"] {
  appearance: none;
  width: 24px;
  height: 24px;
  border: 2px solid var(--color-border);
  margin-right: var(--spacing-sm);
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
  transition: all 0.2s;
}

input[type="checkbox"]:checked {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

input[type="checkbox"]:checked::after {
  content: "✓";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--color-background);
  font-size: 16px;
  font-weight: bold;
}

input[type="checkbox"]:hover {
  border-color: var(--color-accent);
}

label:has(input[type="checkbox"]) {
  display: flex;
  align-items: center;
  cursor: pointer;
}

button[type="submit"] {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-md);
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-background);
  background-color: transparent;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  font-family: var(--font-family);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: all 0.3s;
  position: relative;
  z-index: 1;
}

button[type="submit"]::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-primary);
  border: 3px solid var(--color-primary);
  z-index: -1;
  transition: all 0.3s;
}

button[type="submit"]:hover::before {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
}

button[type="submit"]:active {
  transform: scale(0.98);
}

button[type="submit"]:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.glyphs {
  display: inline-block;
  letter-spacing: 0.1em;
  font-size: 1.5rem;
  line-height: 0;
  text-align: center;
  font-family: monospace;
}

button[type="button"] {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
  background-color: transparent;
  border: 2px solid var(--color-primary);
  cursor: pointer;
  font-family: var(--font-family);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all 0.2s;
  margin-top: var(--spacing-lg);
}

button[type="button"]:hover {
  background-color: var(--color-primary);
  color: var(--color-background);
}

button[type="button"]:active {
  transform: scale(0.96);
}

.container {
  display: flex;
}

.people {
  width: 100%;
}

.decorative-header {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  font-size: 2rem;
  opacity: 0.8;
  position: absolute;
  margin: 0;
  margin: auto;
  left: 0;
  right: 0;
  max-height: 72px;
}

.decorative-header img {
  height: 100%;
  height: 72px;
  object-fit: contain;
}

.decorative-divider {
  text-align: center;
  margin: var(--spacing-lg) 0;
  font-size: 1.5rem;
}

.grain img {
  max-width: 200px;
}

.decorative-main {
  transition: transform 0.05s ease-out;
  will-change: transform;
}

.fire {
  width: 100%;
  max-width: 200px;
  display: block;
  margin: var(--spacing-lg) auto;
}

img {
  max-width: 100%;
  pointer-events: none;
  user-select: none;
}

.bottom-grain {
  position: absolute;
  bottom: 2rem;
  width: 150px;
  opacity: 0.8;
}

.bottom-grain-left {
  left: 2rem;
}

.bottom-grain-right {
  right: 2rem;
}

.kastanjemannen {
  width: 100%;
  max-width: 150px;
  display: block;
  margin: var(--spacing-xl) auto var(--spacing-md);
  opacity: 0.9;
}

.grug-container {
  display: flex;
  flex-direction: column;
}

.grug-container button {
  margin: auto;
  z-index: 1;
}

.alster {
  margin: auto;
  margin-bottom: 2rem;
  display: block;
  max-width: 150px;
}

@media screen and (max-width: 600px) {
  body {
    padding: var(--spacing-xs);
  }

  h1 {
    font-size: 2.5rem;
  }

  h1 .large {
    font-size: 1.5em;
  }

  .decorative-header {
    position: unset;
    margin-bottom: var(--spacing-md);
  }

  .decorative-header img {
    height: 48px;
  }

  .grug-container button {
    margin-bottom: 2rem;
    padding: var(--spacing-xs) var(--spacing-sm);
  }
}