:root {
  --font: "Inter", system-ui, sans-serif;
  --color-primary: #1e3a8a;
  --color-primary-end: #3b82f6;
  --color-accent: #f48c42;
  --color-text: #1a1a1a;
  --color-bg-start: #c16b44;
  --color-bg-mid: #e59441;
  --color-bg-end: #fee17c;
}

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

body {
  margin: 0;
  font-family: var(--font);
  color: var(--color-text);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* Background gradient */
.bg-gradient {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: linear-gradient(135deg, var(--color-bg-start) 0%, var(--color-bg-mid) 50%, var(--color-bg-end) 100%);
  z-index: -2;
}

/* Container similar to payment page */
.support-container {
  width: 100%;
  max-width: 420px;
  margin: 8vh auto;
  padding: 2.5rem 2rem 2rem;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-radius: 16px;
  box-shadow: 0 16px 48px rgba(0,0,0,0.12);
  text-align: center;
}

.support-container .logo {
  width: 80px;
  margin-bottom: 1.5rem;
}

.support-container h1 {
  margin: 0 0 0.5rem;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-primary);
}

.support-container .subtitle {
  font-size: 1rem;
  color: rgba(0,0,0,0.6);
  margin-bottom: 1.5rem;
}

label {
  display: block;
  text-align: left;
  font-weight: 600;
  margin: 1rem 0 0.5rem;
}

input[type="email"],
select,
textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  border: 1px solid rgba(0,0,0,0.2);
  border-radius: 8px;
  transition: border-color 0.2s ease;
  font-family: var(--font);
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

textarea {
  resize: vertical;
}

/* Button gradient effect */
button {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  background-image: linear-gradient(90deg, var(--color-primary), var(--color-primary-end));
  background-size: 200% 100%;
  background-position: 0% 50%;
  border: none;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  cursor: pointer;
  transition: background-position 0.4s ease, transform 0.1s ease;
  margin-top: 1.5rem;
}

button:hover {
  background-position: 100% 50%;
  transform: translateY(-2px);
}

.message {
  margin-top: 1rem;
  font-size: 0.95rem;
  color: var(--color-accent);
  min-height: 1.2em;
}

/* animated squares background like payment */
.animated-squares {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: -1;
}
.animated-squares .square {
  position: absolute;
  will-change: transform, opacity;
}

.square {
  position: absolute;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.success-block {
  margin-top: 2rem;
  text-align: center;
  animation: fadeIn 0.5s ease forwards;
}

.success-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 1rem;
  border-radius: 50%;
  background: #22c55e; /* green */
  color: white;
  font-size: 2rem;
  line-height: 60px;
  font-weight: bold;
}

@keyframes fadeIn {
  from { opacity: 0; transform: scale(0.9); }
  to   { opacity: 1; transform: scale(1); }
}