/* ═══════════════════════════════════════════════════════════
   SPONSOR PAGE — Additional styles
   Builds on top of style.css
═══════════════════════════════════════════════════════════ */

/* ── Sponsor Hero ───────────────────────────────────────── */
.sponsor-hero {
  position: relative;
  min-height: 60svh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--nav-h) + 64px) clamp(20px, 5vw, 48px) 80px;
  overflow: hidden;
  background: linear-gradient(160deg, #0F1520 0%, #1A1040 50%, #161E2D 100%);
  text-align: center;
}
.sponsor-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(161,102,255,0.15) 0%, transparent 65%),
    radial-gradient(ellipse 50% 40% at 80% 80%, rgba(161,102,255,0.08) 0%, transparent 60%);
  pointer-events: none;
}
.sponsor-hero-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  max-width: 760px;
}
.sponsor-hero-title {
  font-family: var(--font-ember-heavy);
  font-size: clamp(2rem, 5vw, 3.5rem);
  color: var(--color-white);
  line-height: 1.15;
}
.sponsor-hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 580px;
}

/* ── Benefits grid ──────────────────────────────────────── */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}
.benefit-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.benefit-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-glow);
  border-color: var(--color-border);
}
.benefit-icon {
  width: 48px;
  height: 48px;
  color: var(--color-purple);
  flex-shrink: 0;
}
.benefit-icon svg { width: 100%; height: 100%; }
.benefit-title {
  font-family: var(--font-ember-bold);
  font-size: 1.1rem;
  color: var(--color-white);
}
.benefit-text {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ── Contact form ───────────────────────────────────────── */
.sponsor-form {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-label {
  font-family: var(--font-ember-bold);
  font-size: 0.875rem;
  color: var(--color-text);
  letter-spacing: .02em;
}
.form-required {
  color: var(--color-purple);
  margin-left: 2px;
}
.form-input {
  background: var(--color-surface-2);
  border: 1.5px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  font-family: var(--font-ember);
  font-size: 0.95rem;
  color: var(--color-text);
  transition: border-color .2s, box-shadow .2s;
  width: 100%;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}
.form-input::placeholder { color: var(--color-text-faint); }
.form-input:focus {
  border-color: var(--color-purple);
  box-shadow: 0 0 0 3px rgba(161,102,255,0.15);
}
.form-input.has-error {
  border-color: #E05252;
  box-shadow: 0 0 0 3px rgba(224,82,82,0.12);
}
.form-select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238B93A7' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 18px;
  padding-right: 40px;
}
.form-select option { background: var(--color-surface-3); color: var(--color-text); }
.form-textarea { resize: vertical; min-height: 130px; }
.form-error {
  font-size: 0.78rem;
  color: #E05252;
  min-height: 1em;
}
.form-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding-top: 4px;
}
.form-note {
  font-size: 0.78rem;
  color: var(--color-text-faint);
}
.form-submit {
  min-width: 180px;
  justify-content: center;
}
.form-submit:disabled {
  opacity: .6;
  cursor: not-allowed;
  transform: none !important;
}

/* Success & error states — shared layout */
.form-success,
.form-error-state {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
  padding: 56px 24px;
  animation: fade-in .4s ease;
}
.form-success-icon {
  width: 56px;
  height: 56px;
  color: var(--color-purple);
}
.form-success h3 {
  font-family: var(--font-ember-heavy);
  font-size: 1.5rem;
  color: var(--color-white);
}
.form-success p {
  color: var(--color-text-muted);
  max-width: 420px;
  line-height: 1.7;
}

/* Error state */
.form-error-icon {
  width: 52px;
  height: 52px;
  color: #E05252;
}
.form-error-state h3 {
  font-family: var(--font-ember-heavy);
  font-size: 1.5rem;
  color: var(--color-white);
}
.form-error-state p {
  color: var(--color-text-muted);
  max-width: 440px;
  line-height: 1.7;
}

@keyframes fade-in {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 640px) {
  .form-row { grid-template-columns: 1fr; }
  .form-footer {
    flex-direction: column;
    align-items: stretch;
  }
  .form-submit { width: 100%; }
}