:root {
  --bg-main: #0c0b11;
  --bg-card: #15141c;
  --bg-input: #1d1c24;
  --accent: #e28743;
  --accent-hover: #f39c59;
  --text-main: #f5f5f7;
  --text-muted: #a1a1aa;
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(226, 135, 67, 0.7);
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Header / Hero */
.header-p {
  padding: clamp(60px, 12vh, 120px) 24px clamp(40px, 8vh, 80px);
  text-align: center;
  background: radial-gradient(circle at 50% 20%, #1e1d28 0%, var(--bg-main) 75%);
  border-bottom: 1px solid var(--border-subtle);
}

.titletexttop {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.75rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: #fff;
  line-height: 1.15;
  margin-bottom: 12px;
}

.titlesubtop {
  font-family: var(--font-body);
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

/* Section Dividers */
.sectiontitle {
  padding: 48px 24px 20px;
  max-width: 1040px;
  margin: 0 auto;
}

.sectiontitletext {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 16px;
}

.sectiontitletext::after {
  content: "";
  flex: 1;
  height: 1px;
  background-color: var(--border-subtle);
}

/* Rules Section */
.rules-p {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 24px 64px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.rules-pdivider {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.rule-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 24px 28px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.rule-card:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.18);
}

.rulestitle {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.15rem;
  color: #fff;
  margin-bottom: 8px;
}

.rulestext {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* Form Container */
.form-container {
  max-width: 800px;
  margin: 0 auto 96px;
  padding: 0 24px;
}

#registrationForm {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: clamp(24px, 5vw, 48px);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-bottom: 24px;
}

.form-grid .full-width {
  grid-column: 1 / -1;
}

.inputbox {
  width: 100%;
  background-color: var(--bg-input);
  color: #fff;
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  height: 52px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 0 16px;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.inputbox::placeholder {
  color: #71717a;
  letter-spacing: 0.03em;
  font-size: 0.85rem;
}

.inputbox:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(226, 135, 67, 0.2);
}

/* Checkboxes */
.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 28px 0 36px;
  padding-top: 20px;
  border-top: 1px solid var(--border-subtle);
}

.checkboxcont {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
}

.inputcheck {
  appearance: none;
  background-color: var(--bg-input);
  border: 1.5px solid #52525b;
  border-radius: 4px;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  flex-shrink: 0;
  display: grid;
  place-content: center;
  cursor: pointer;
  transition: all 0.15s ease;
}

.inputcheck:checked {
  background-color: var(--accent);
  border-color: var(--accent);
}

.inputcheck::before {
  content: "";
  width: 10px;
  height: 7px;
  transform: scale(0);
  transition: 120ms transform ease-in-out;
  border-left: 2px solid #000;
  border-bottom: 2px solid #000;
  transform-origin: center;
  transform: rotate(-45deg) scale(0);
  margin-top: -2px;
}

.inputcheck:checked::before {
  transform: rotate(-45deg) scale(1);
}

.inputchecktext {
  font-size: 0.9rem;
  color: #d4d4d8;
  line-height: 1.45;
  cursor: pointer;
  user-select: none;
}

/* Submit Button */
#submitBtn {
  display: block;
  width: 100%;
  background-color: var(--accent);
  color: #121118;
  border: none;
  border-radius: 8px;
  height: 52px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background-color 0.2s ease, transform 0.1s ease;
}

#submitBtn:hover {
  background-color: var(--accent-hover);
}

#submitBtn:active {
  transform: scale(0.99);
}

/* Single column fallback for small mobile screens */
@media (max-width: 640px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
}