/* ============================================================
   IMB Campus — Subscribe Plugin
   style.css
============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@700;800&family=DM+Sans:wght@300;400;500&display=swap');

#imb-sub-wrap {
  font-family: 'DM Sans', system-ui, sans-serif;
  width: 100%;
  padding: 1rem 0;
}

/* ---- BOX ---- */
.imb-sub__box {
  position: relative;
  background: linear-gradient(135deg, #0b1b3d 0%, #1550d4 55%, #0d9a8a 100%);
  border-radius: 24px;
  padding: 3.5rem 2.5rem;
  text-align: center;
  overflow: hidden;
  max-width: 620px;
  margin: 0 auto;
  box-shadow: 0 20px 60px rgba(11,27,61,0.25);
}

/* Decorative circles */
.imb-sub__deco {
  position: absolute;
  top: -60px; right: -60px;
  width: 220px; height: 220px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  pointer-events: none;
}

.imb-sub__deco2 {
  position: absolute;
  bottom: -80px; left: -50px;
  width: 260px; height: 260px;
  border-radius: 50%;
  background: rgba(13,154,138,0.12);
  pointer-events: none;
}

/* ---- CONTENT ---- */
.imb-sub__icon {
  font-size: 2.8rem;
  margin-bottom: 0.8rem;
  position: relative;
  z-index: 1;
  animation: imb-float 3s ease-in-out infinite;
}

@keyframes imb-float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-6px); }
}

.imb-sub__title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 800;
  color: #ffffff;
  margin: 0 0 0.6rem;
  line-height: 1.2;
  position: relative;
  z-index: 1;
}

.imb-sub__subtitle {
  font-size: 0.93rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.7;
  max-width: 420px;
  margin: 0 auto 2rem;
  position: relative;
  z-index: 1;
}

/* ---- FORM ---- */
.imb-sub__form {
  position: relative;
  z-index: 1;
}

.imb-sub__fields {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.imb-sub__fields input {
  width: 100%;
  padding: 0.9rem 1.2rem;
  border: 1.5px solid rgba(255,255,255,0.2);
  border-radius: 12px;
  background: rgba(255,255,255,0.1);
  color: white;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  transition: all 0.2s;
  backdrop-filter: blur(4px);
}

.imb-sub__fields input::placeholder {
  color: rgba(255,255,255,0.55);
}

.imb-sub__fields input:focus {
  outline: none;
  border-color: rgba(255,255,255,0.6);
  background: rgba(255,255,255,0.15);
  box-shadow: 0 0 0 3px rgba(255,255,255,0.1);
}

.imb-sub__fields input.imb-invalid {
  border-color: #fca5a5;
  background: rgba(239,68,68,0.15);
}

/* ---- ERROR ---- */
.imb-sub__error {
  display: block;
  font-size: 0.8rem;
  color: #fca5a5;
  margin-bottom: 0.8rem;
  min-height: 1.2em;
  font-weight: 500;
}

/* ---- BUTTON ---- */
.imb-sub__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  width: 100%;
  padding: 1rem 2rem;
  background: #ffffff;
  color: #0b1b3d;
  border: none;
  border-radius: 12px;
  font-family: 'Syne', sans-serif;
  font-size: 1rem;
  font-weight: 800;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
  margin-top: 0.3rem;
  letter-spacing: 0.01em;
}

.imb-sub__btn:hover {
  background: #f0f9ff;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0,0,0,0.25);
}

.imb-sub__btn:active { transform: none; }

.imb-sub__btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

.imb-sub__btn-arrow {
  font-size: 1.1rem;
  transition: transform 0.2s;
}

.imb-sub__btn:hover .imb-sub__btn-arrow { transform: translateX(4px); }

/* Loading state */
.imb-sub__btn.loading .imb-sub__btn-text::after {
  content: '';
  display: inline-block;
  width: 13px; height: 13px;
  border: 2px solid rgba(11,27,61,0.3);
  border-top-color: #0b1b3d;
  border-radius: 50%;
  animation: imb-spin 0.7s linear infinite;
  margin-left: 8px;
  vertical-align: middle;
}

.imb-sub__btn.loading .imb-sub__btn-arrow { display: none; }

@keyframes imb-spin { to { transform: rotate(360deg); } }

/* ---- MESSAGES ---- */
.imb-sub__message {
  background: rgba(255,255,255,0.12);
  border: 1.5px solid rgba(255,255,255,0.25);
  border-radius: 16px;
  padding: 2rem 1.5rem;
  text-align: center;
  animation: imb-fadeUp 0.45s ease both;
  position: relative;
  z-index: 1;
}

.imb-sub__message--warn {
  background: rgba(245,166,35,0.15);
  border-color: rgba(245,166,35,0.35);
}

.imb-sub__message--err {
  background: rgba(239,68,68,0.15);
  border-color: rgba(239,68,68,0.3);
}

@keyframes imb-fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: none; }
}

.imb-sub__msg-icon { font-size: 2.5rem; margin-bottom: 0.5rem; }

.imb-sub__message h4 {
  font-family: 'Syne', sans-serif;
  font-size: 1.15rem;
  font-weight: 800;
  color: white;
  margin: 0 0 0.4rem;
}

.imb-sub__message p {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.8);
  margin: 0;
  line-height: 1.6;
}

.imb-sub__message a { color: #fcd34d; }

/* ---- PRIVACY ---- */
.imb-sub__privacy {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.45);
  margin: 1.2rem 0 0;
  position: relative;
  z-index: 1;
}

/* ---- RESPONSIVE ---- */
@media (max-width: 480px) {
  .imb-sub__box { padding: 2.5rem 1.5rem; border-radius: 16px; }
}