:root {
  --bg: #050706;
  --bg-elevated: rgba(14, 20, 18, 0.72);
  --text: #f4f7f6;
  --text-muted: #9aa8a3;
  --mint: #50e3c2;
  --mint-soft: rgba(80, 227, 194, 0.14);
  --mint-glow: rgba(80, 227, 194, 0.35);
  --line: rgba(255, 255, 255, 0.1);
  --danger: #ff7b7b;
  --radius: 16px;
  --font-display: "Syne", sans-serif;
  --font-body: "DM Sans", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

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

a:hover {
  text-decoration: underline;
}

.page-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.page-bg__base {
  position: absolute;
  inset: 0;
  /* Full-width: mint on sides, darker only toward center — no black side bars */
  background:
    linear-gradient(
      90deg,
      rgba(80, 227, 194, 0.42) 0%,
      rgba(80, 227, 194, 0.18) 14%,
      rgba(12, 22, 18, 0.96) 38%,
      #0a1210 50%,
      rgba(12, 22, 18, 0.96) 62%,
      rgba(80, 227, 194, 0.18) 86%,
      rgba(80, 227, 194, 0.42) 100%
    );
}

.page-bg__side {
  position: absolute;
  top: -10%;
  bottom: -10%;
  width: min(48vw, 640px);
  filter: blur(48px);
  opacity: 0.85;
}

.page-bg__side--left {
  left: -8%;
  background: radial-gradient(ellipse at left center, rgba(80, 227, 194, 0.55) 0%, transparent 70%);
  animation: side-pulse-l 14s ease-in-out infinite;
}

.page-bg__side--right {
  right: -8%;
  background: radial-gradient(ellipse at right center, rgba(80, 227, 194, 0.55) 0%, transparent 70%);
  animation: side-pulse-r 14s ease-in-out infinite;
}

.page-bg__veil {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 48% 85% at 50% 45%, rgba(8, 14, 12, 0.72) 0%, transparent 68%);
}

.page-noise {
  position: absolute;
  inset: 0;
  opacity: 0.045;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

@keyframes side-pulse-l {
  0%, 100% { opacity: 0.85; transform: translateX(0); }
  50% { opacity: 1; transform: translateX(1.5%); }
}

@keyframes side-pulse-r {
  0%, 100% { opacity: 0.85; transform: translateX(0); }
  50% { opacity: 1; transform: translateX(-1.5%); }
}

.page {
  width: min(560px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2.25rem 0 3.5rem;
}

.brand {
  text-align: center;
  margin-bottom: 1.75rem;
  animation: rise 0.7s ease both;
}

.brand__logo {
  width: min(200px, 56vw);
  height: auto;
  margin: 0 auto 0.95rem;
  background: transparent;
}

.brand__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 4.5vw, 1.85rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.brand__role {
  margin: 0.45rem 0 0;
  color: var(--mint);
  font-size: 0.95rem;
  font-weight: 600;
}

.form-panel,
.success-panel {
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 4px);
  padding: 1.35rem 1.25rem 1.5rem;
  backdrop-filter: blur(14px);
  animation: rise 0.8s ease 0.08s both;
}

.intro {
  margin: 0 0 0.75rem;
  color: var(--text);
  font-size: 0.98rem;
}

.intro--secondary {
  margin-bottom: 1.4rem;
  color: var(--text-muted);
}

.form {
  display: grid;
  gap: 1.15rem;
}

.form-group {
  display: grid;
  gap: 0.45rem;
}

.form-group label,
.label-text {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text);
}

.field-hint {
  margin: 0;
  font-size: 0.84rem;
  color: var(--text-muted);
}

input[type="text"] {
  width: 100%;
  appearance: none;
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.35);
  color: var(--text);
  border-radius: 12px;
  padding: 0.85rem 0.95rem;
  font: inherit;
  font-size: 1rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

input[type="text"]::placeholder {
  color: rgba(154, 168, 163, 0.7);
}

input[type="text"]:focus {
  outline: none;
  border-color: var(--mint);
  box-shadow: 0 0 0 3px var(--mint-soft);
  background: rgba(0, 0, 0, 0.5);
}

.option-list {
  display: grid;
  gap: 0.5rem;
}

.option-row,
.check-row {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  margin: 0;
  padding: 0.8rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.28);
  font-weight: 500;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.option-row:hover,
.check-row:hover {
  border-color: rgba(80, 227, 194, 0.45);
}

.option-row:has(input:checked),
.check-row:has(input:checked) {
  border-color: var(--mint);
  background: var(--mint-soft);
  box-shadow: 0 0 0 1px rgba(80, 227, 194, 0.2);
}

.option-row input,
.check-row input {
  margin-top: 0.2rem;
  accent-color: var(--mint);
  width: 1.05rem;
  height: 1.05rem;
  flex-shrink: 0;
}

.option-row span,
.check-row span {
  font-size: 0.94rem;
  line-height: 1.4;
}

.field-error {
  display: none;
  color: var(--danger);
  font-size: 0.82rem;
}

.form-group.invalid .field-error {
  display: block;
}

.form-group.invalid input[type="text"],
.form-group.invalid .option-list,
.form-group.invalid .check-row {
  border-color: rgba(255, 123, 123, 0.7);
}

.privacy {
  margin-top: 0.25rem;
  padding: 0.95rem 1rem;
  border-radius: 12px;
  border: 1px solid rgba(80, 227, 194, 0.22);
  background: rgba(80, 227, 194, 0.06);
}

.privacy p {
  margin: 0;
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.btn {
  appearance: none;
  border: none;
  border-radius: 999px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease, opacity 0.2s ease, background 0.2s ease;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  width: 100%;
  margin-top: 0.15rem;
  padding: 0.95rem 1.25rem;
  background: linear-gradient(180deg, #6aedd0 0%, var(--mint) 100%);
  color: #041411;
  box-shadow: 0 10px 30px rgba(80, 227, 194, 0.28);
}

.btn-primary:hover:not(:disabled) {
  box-shadow: 0 12px 34px rgba(80, 227, 194, 0.4);
}

.btn-primary:disabled {
  opacity: 0.65;
  cursor: wait;
}

.btn-ghost {
  padding: 0.55rem 1rem;
  background: transparent;
  color: var(--mint);
  border: 1px solid rgba(80, 227, 194, 0.4);
}

.form-error-block {
  padding: 0.85rem 1rem;
  border-radius: 12px;
  border: 1px solid rgba(255, 123, 123, 0.45);
  background: rgba(255, 123, 123, 0.08);
}

.form-error-block p {
  margin: 0 0 0.65rem;
  color: #ffc1c1;
  font-size: 0.9rem;
}

.form-panel.hidden {
  display: none;
}

.success-panel {
  text-align: center;
  animation: rise 0.55s ease both;
}

.success-panel[hidden] {
  display: none !important;
}

.success-icon {
  width: 56px;
  height: 56px;
  margin: 0.25rem auto 1rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--mint-soft);
  border: 1px solid rgba(80, 227, 194, 0.45);
  color: var(--mint);
  font-size: 1.5rem;
  font-weight: 700;
  box-shadow: 0 0 28px rgba(80, 227, 194, 0.25);
}

.success-panel h2 {
  margin: 0 0 0.9rem;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 4vw, 1.65rem);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.success-panel p {
  margin: 0 0 0.85rem;
  color: var(--text-muted);
}

.success-channel {
  margin: 1.1rem 0 !important;
  padding: 0.9rem 1rem;
  border-radius: 12px;
  background: rgba(80, 227, 194, 0.08);
  border: 1px solid rgba(80, 227, 194, 0.25);
  color: var(--text) !important;
  word-break: break-word;
}

.success-channel a {
  font-weight: 600;
}

.success-note {
  font-size: 0.88rem;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (min-width: 640px) {
  .page {
    padding-top: 2.75rem;
  }

  .form-panel,
  .success-panel {
    padding: 1.75rem 1.7rem 1.85rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}