/* ===========================================
   AISSE 2026 - Registration Page - Premium UI
   Colors: White · Sky Blue · Royal Gold
=========================================== */
:root {
  --sky: #38BDF8;
  --sky-dark: #0ea5e9;
  --sky-light: #bae6fd;
  --sky-pale: #f0f9ff;
  --gold: #F5C542;
  --gold-dark: #d4a017;
  --gold-light: #fde68a;
  --white: #ffffff;
  --text-dark: #0f172a;
  --text-mid: #334155;
  --text-light: #64748b;
  --shadow: 0 20px 60px rgba(56,189,248,0.12);
  --radius: 16px;
  --transition: all 0.35s cubic-bezier(0.4,0,0.2,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Poppins',sans-serif;background:var(--sky-pale);color:var(--text-dark);line-height:1.7}
.gold-text{
  background:linear-gradient(135deg,var(--gold-dark),var(--gold));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}

/* ---- Header ---- */
.reg-header{
  background:rgba(255,255,255,0.95);
  backdrop-filter:blur(20px);
  padding:1rem 2rem;
  position:sticky;top:0;z-index:100;
  box-shadow:0 2px 20px rgba(56,189,248,0.12);
  border-bottom:1px solid rgba(56,189,248,0.15);
}
.reg-header-inner{
  max-width:1200px;margin:0 auto;
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:0.5rem;
}
.reg-logo{
  display:flex;
  align-items:center;
  gap:12px;

  text-decoration:none;
}

.reg-logo img{
  width:60px;
  height:60px;

  border-radius:10px;

  object-fit:contain;

  background:#fff;

  padding:4px;

  box-shadow:
  0 6px 20px rgba(0,0,0,0.12);
}

.reg-logo span{
  font-size:1.3rem;
  font-weight:700;

  color:#fff;
}
.reg-logo span{color:var(--text-mid);-webkit-text-fill-color:var(--text-mid)}
.reg-header-info{display:flex;gap:1.5rem;flex-wrap:wrap}
.reg-header-info span{color:var(--text-light);font-size:0.82rem}

/* ---- Hero ---- */
.reg-hero{
  background:linear-gradient(135deg,var(--sky-dark) 0%,#0284c7 50%,#0369a1 100%);
  padding:4rem 2rem;text-align:center;
  position:relative;overflow:hidden;
}
.reg-hero-bg{position:absolute;inset:0;pointer-events:none}
.rh-shape{position:absolute;border-radius:50%;filter:blur(70px);opacity:0.2}
.s1{width:400px;height:400px;background:var(--gold);top:-100px;right:-100px}
.s2{width:300px;height:300px;background:#fff;bottom:-80px;left:-80px;opacity:0.08}
.reg-hero-content{position:relative;z-index:2}
.reg-badge{
  display:inline-block;
  background:rgba(245,197,66,0.15);
  border:1px solid rgba(245,197,66,0.4);
  color:var(--gold-light);
  padding:0.35rem 1.1rem;border-radius:50px;
  font-size:0.82rem;font-weight:600;letter-spacing:1px;
  margin-bottom:1rem;
}
.reg-hero h1{
  font-family:'Outfit',sans-serif;
  font-size:clamp(1.8rem,4vw,2.8rem);
  color:#fff;font-weight:800;margin-bottom:0.75rem;
}
.reg-hero p{color:rgba(255,255,255,0.85);font-size:1rem;margin-bottom:2rem}
.reg-hero strong{color:var(--gold-light)}
.reg-steps{
  display:flex;align-items:center;justify-content:center;gap:0;flex-wrap:wrap;
  max-width:500px;margin:0 auto;
}
.rstep{
  display:flex;align-items:center;gap:0.5rem;
  color:rgba(255,255,255,0.5);font-size:0.82rem;font-weight:600;
  padding:0.5rem 1rem;
}
.rstep span{
  width:28px;height:28px;border-radius:50%;
  background:rgba(255,255,255,0.15);
  display:flex;align-items:center;justify-content:center;
  font-size:0.8rem;font-weight:700;
}
.rstep.active{color:#fff}
.rstep.active span{background:var(--gold);color:#0f172a}
.rstep.done span{background:rgba(255,255,255,0.3);color:#fff}
.rstep-line{width:40px;height:2px;background:rgba(255,255,255,0.2)}

/* ---- Form Section ---- */
.reg-form-section{padding:3rem 0}
.reg-container{max-width:860px;margin:0 auto;padding:0 1.5rem}
.form-step{
  background:#fff;
  border-radius:24px;
  padding:2.5rem;
  box-shadow:var(--shadow);
  border:1px solid rgba(56,189,248,0.12);
}
.form-step.hidden{display:none}
.form-step-header{
  display:flex;align-items:flex-start;gap:1.2rem;
  margin-bottom:2rem;
  padding-bottom:1.5rem;
  border-bottom:1px solid rgba(56,189,248,0.1);
}
.step-num{
  font-family:'Outfit',sans-serif;
  font-size:3rem;font-weight:900;
  background:linear-gradient(135deg,var(--sky),var(--sky-dark));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
  opacity:0.3;line-height:1;flex-shrink:0;
}
.form-step-header h2{
  font-family:'Outfit',sans-serif;
  font-size:1.5rem;color:var(--text-dark);font-weight:800;margin-bottom:0.25rem;
}
.form-step-header p{color:var(--text-light);font-size:0.88rem}

/* ---- Form Elements ---- */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem}
.form-group{display:flex;flex-direction:column;gap:0.4rem}
.form-group.full{grid-column:1/-1}
.form-label{font-size:0.85rem;font-weight:600;color:var(--text-mid)}
.req{color:#ef4444}
.form-input{
  padding:0.8rem 1rem;
  border:1.5px solid rgba(56,189,248,0.2);
  border-radius:10px;
  font-size:0.93rem;font-family:'Poppins',sans-serif;
  color:var(--text-dark);background:#fff;
  transition:var(--transition);
  width:100%;
}
.form-input:focus{
  outline:none;
  border-color:var(--sky);
  box-shadow:0 0 0 3px rgba(56,189,248,0.12);
}
.form-input.error{border-color:#ef4444;box-shadow:0 0 0 3px rgba(239,68,68,0.1)}
textarea.form-input{resize:vertical;min-height:70px}
.form-err{color:#ef4444;font-size:0.78rem;min-height:18px}
.form-divider{
  font-size:0.85rem;font-weight:700;color:var(--sky-dark);
  padding:0.5rem 0;
  border-bottom:1px solid rgba(56,189,248,0.12);
  letter-spacing:0.5px;
}

/* Photo Upload */
.photo-upload-area{display:flex;flex-direction:column;gap:0.75rem;align-items:flex-start}
.photo-preview{
  width:130px;height:160px;
  border-radius:12px;
  border:2px dashed rgba(56,189,248,0.3);
  overflow:hidden;
  background:var(--sky-pale);
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;transition:var(--transition);
}
.photo-preview:hover{border-color:var(--sky);box-shadow:0 0 0 3px rgba(56,189,248,0.1)}
.photo-placeholder{text-align:center;padding:1rem}
.photo-icon{font-size:2rem;color:var(--sky)}
.photo-placeholder p{font-size:0.78rem;color:var(--text-light);margin:0.3rem 0}
.photo-placeholder small{font-size:0.7rem;color:#aaa}
.photo-preview img{width:100%;height:100%;object-fit:cover}
.btn-upload{
  padding:0.55rem 1.2rem;
  background:linear-gradient(135deg,var(--sky),var(--sky-dark));
  color:#fff;border:none;border-radius:50px;
  font-size:0.85rem;font-weight:600;cursor:pointer;
  font-family:'Poppins',sans-serif;
  transition:var(--transition);
}
.btn-upload:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(56,189,248,0.3)}

/* Step Buttons */
.step-btn-row{
  display:flex;gap:1rem;justify-content:flex-end;
  margin-top:2rem;padding-top:1.5rem;
  border-top:1px solid rgba(56,189,248,0.1);
}
.btn-reg{
  padding:0.85rem 2rem;border-radius:50px;
  font-size:0.95rem;font-weight:700;
  font-family:'Poppins',sans-serif;
  cursor:pointer;border:none;
  transition:var(--transition);
}
.btn-next{
  background:linear-gradient(135deg,var(--sky),var(--sky-dark));
  color:#fff;box-shadow:0 4px 15px rgba(56,189,248,0.3);
}
.btn-next:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(56,189,248,0.4)}
.btn-back{background:var(--sky-pale);color:var(--text-mid);border:1.5px solid rgba(56,189,248,0.2)}
.btn-back:hover{background:#e0f2fe}
.btn-pay{
  background:linear-gradient(135deg,var(--gold),var(--gold-dark));
  color:#0f172a;
  box-shadow:0 4px 20px rgba(245,197,66,0.35);
  font-size:1rem;padding:0.95rem 2.2rem;
}
.btn-pay:hover{transform:translateY(-3px);box-shadow:0 8px 35px rgba(245,197,66,0.5)}

/* Review */
.review-card{
  background:var(--sky-pale);border-radius:var(--radius);
  padding:1.5rem;margin-bottom:1.5rem;
  border:1px solid rgba(56,189,248,0.15);
}
.review-card h3{font-size:1rem;font-weight:700;color:var(--sky-dark);margin-bottom:1rem}
.review-grid{display:grid;grid-template-columns:1fr 1fr;gap:0.75rem}
.review-row{display:flex;flex-direction:column;gap:0.1rem}
.review-row label{font-size:0.75rem;color:var(--text-light);font-weight:600}
.review-row span{font-size:0.9rem;font-weight:600;color:var(--text-dark)}

/* Fee Card */
.fee-card{
  background:linear-gradient(135deg,rgba(56,189,248,0.04),rgba(245,197,66,0.06));
  border-radius:var(--radius);padding:1.5rem;
  border:1px solid rgba(245,197,66,0.2);
  margin-bottom:1.5rem;
}
.fee-row{display:flex;justify-content:space-between;padding:0.5rem 0;font-size:0.93rem;color:var(--text-mid)}
.fee-row strong{color:var(--text-dark);font-weight:700}
.fee-total{
  border-top:1px solid rgba(245,197,66,0.3);
  margin-top:0.5rem;padding-top:0.75rem;
  font-size:1.1rem;font-weight:700;
}
.fee-total span{color:var(--text-dark)}
.fee-total strong{color:var(--gold-dark);font-size:1.2rem}

/* Declaration */
.declaration-wrap{margin-bottom:1.5rem}
.declaration-label{
  display:flex;align-items:flex-start;gap:0.75rem;cursor:pointer;
  font-size:0.88rem;color:var(--text-mid);
}
.declaration-label input[type="checkbox"]{display:none}
.check-custom{
  width:20px;height:20px;border-radius:5px;
  border:2px solid rgba(56,189,248,0.4);
  background:#fff;flex-shrink:0;margin-top:0.1rem;
  transition:var(--transition);
  display:flex;align-items:center;justify-content:center;
}
.declaration-label input:checked ~ .check-custom,
.declaration-label:has(input:checked) .check-custom{
  background:var(--sky);border-color:var(--sky);
}
.declaration-label:has(input:checked) .check-custom::after{
  content:'✓';color:#fff;font-size:0.75rem;font-weight:700;
}
.declaration-label a{color:var(--sky-dark);text-decoration:none}

/* Payment Methods */
.payment-methods{margin-bottom:1.5rem}
.payment-methods h4{font-size:0.9rem;font-weight:700;color:var(--text-dark);margin-bottom:1rem}
.pm-grid{display:flex;gap:0.75rem;flex-wrap:wrap}
.pm-card{cursor:pointer}
.pm-card input{display:none}
.pm-box{
  display:flex;flex-direction:column;align-items:center;gap:0.25rem;
  padding:0.85rem 1.4rem;border-radius:12px;
  border:2px solid rgba(56,189,248,0.2);background:#fff;
  font-size:0.82rem;font-weight:600;color:var(--text-mid);
  transition:var(--transition);
}
.pm-icon{font-size:1.5rem}
.pm-card input:checked + .pm-box{
  border-color:var(--sky);
  background:var(--sky-pale);
  color:var(--sky-dark);
  box-shadow:0 0 0 3px rgba(56,189,248,0.1);
}

/* Trust */
.trust-section{padding:2rem 0;background:#fff;border-top:1px solid rgba(56,189,248,0.1)}
.trust-grid{
  max-width:860px;margin:0 auto;padding:0 1.5rem;
  display:flex;justify-content:center;gap:3rem;flex-wrap:wrap;
}
.trust-item{
  display:flex;align-items:center;gap:0.5rem;
  font-size:0.88rem;font-weight:600;color:var(--sky-dark);
}

/* Footer */
.reg-footer{
  background:linear-gradient(135deg,#0c1a2e,#0f2744);
  padding:1.5rem;text-align:center;
}
.reg-footer p{color:rgba(255,255,255,0.5);font-size:0.82rem;margin-bottom:0.3rem}
.reg-footer a{color:var(--sky-light);text-decoration:none}

@media(max-width:640px){
  .form-grid{grid-template-columns:1fr}
  .review-grid{grid-template-columns:1fr}
  .step-btn-row{flex-direction:column}
  .btn-reg{width:100%;text-align:center}
  .form-step{padding:1.5rem}
  .trust-grid{gap:1.5rem}
}

i {
  margin-right: 6px;
}

.pm-icon i,
.photo-icon i {
  margin-right: 0;
}

.reg-logo i {
  color: var(--gold);
}

.btn-reg i,
.pm-box i,
.form-divider i,
.reg-badge i,
.review-card h3 i,
.payment-methods h4 i {
  margin-right: 8px;
}

.rstep span i {
  margin-right: 0;
  font-size: 0.75rem;
}

.btn-reg {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.pm-box {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

/* ===========================================
   PROFESSIONAL SIDE NOTES
=========================================== */

.form-grid {
  position: relative;
}

.form-note-card {
  grid-column: 1 / -1;
  background: linear-gradient(
    135deg,
    rgba(56,189,248,0.08),
    rgba(245,197,66,0.08)
  );

  border: 1px solid rgba(56,189,248,0.18);
  border-left: 5px solid var(--gold);

  border-radius: 18px;

  padding: 1.2rem 1.3rem;

  margin-bottom: 0.6rem;

  box-shadow: 0 10px 30px rgba(56,189,248,0.08);
}

.note-header {
  display: flex;
  align-items: center;
  gap: 0.7rem;

  margin-bottom: 1rem;
}

.note-header i {
  font-size: 1.1rem;
  color: var(--gold-dark);
}

.note-header h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-dark);
}

.note-list {
  padding-left: 1.2rem;

  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.note-list li {
  color: var(--text-mid);
  font-size: 0.9rem;
  line-height: 1.7;
}

.group-guide-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.group-guide-item {
  background: #ffffff;

  border: 1px solid rgba(56,189,248,0.12);

  border-radius: 14px;

  padding: 1rem;

  transition: var(--transition);
}

.group-guide-item:hover {
  transform: translateY(-3px);

  box-shadow: 0 10px 25px rgba(56,189,248,0.12);
}

.group-guide-item h4 {
  color: var(--sky-dark);

  font-size: 0.92rem;

  font-weight: 700;

  margin-bottom: 0.45rem;
}

.group-guide-item p {
  color: var(--text-light);

  font-size: 0.82rem;

  line-height: 1.6;
}

@media(max-width: 640px) {

  .group-guide-grid {
    grid-template-columns: 1fr;
  }

  .form-note-card {
    padding: 1rem;
  }

}