/* =========================================================
   IOA Sri Lanka – Delivery Partner Portal
   Main Stylesheet  |  theme: IOA Global (ioaglobal.org)
   ========================================================= */

/* ---------- CSS Custom Properties ---------- */
:root {
  --ioa-navy:       #0B1D3A;
  --ioa-navy-mid:   #112248;
  --ioa-navy-light: #1a3060;
  --ioa-teal:       #00B4D8;
  --ioa-teal-dark:  #0096c7;
  --ioa-gold:       #F0A500;
  --ioa-white:      #FFFFFF;
  --ioa-off-white:  #F4F7FC;
  --ioa-text:       #1C2B45;
  --ioa-muted:      #5A6A80;
  --ioa-border:     #DDE4EF;
  --ioa-success:    #28A745;
  --ioa-error:      #DC3545;
  --ioa-radius:     10px;
  --ioa-shadow:     0 4px 24px rgba(11,29,58,.10);
  --ioa-transition: .22s ease;
  --font-sans:      'Inter', 'Segoe UI', Arial, sans-serif;
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--ioa-off-white);
  color: var(--ioa-text);
  font-size: 15px;
  line-height: 1.65;
  min-height: 100vh;
}

a { color: var(--ioa-teal); text-decoration: none; transition: color var(--ioa-transition); }
a:hover { color: var(--ioa-teal-dark); }

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

/* ---------- Topbar / Header ---------- */
.site-header {
  background: #663399;
  border-bottom: 3px solid var(--ioa-teal);
  padding: 0 32px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 12px rgba(0,0,0,.25);
}

.header-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}

.logo-badge {
  width: 44px;
  height: 44px;
  background: var(--ioa-teal);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 17px;
  color: var(--ioa-navy);
  letter-spacing: -.5px;
  flex-shrink: 0;
}

.logo-text { line-height: 1.2; }
.logo-text .org-name {
  font-size: 13px;
  font-weight: 700;
  color: var(--ioa-white);
  letter-spacing: .5px;
  text-transform: uppercase;
}
.logo-text .org-sub {
  font-size: 11px;
  color: var(--ioa-teal);
  font-weight: 500;
  letter-spacing: .3px;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.header-tag {
  background: rgba(0,180,216,.15);
  border: 1px solid rgba(0,180,216,.35);
  color: var(--ioa-teal);
  font-size: 11px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 20px;
  letter-spacing: .6px;
  text-transform: uppercase;
  white-space: nowrap;
}

/* ---------- Hero Banner ---------- */
.hero {
  background:
    linear-gradient(135deg, rgba(102,51,153,.98) 0%, rgba(122,61,181,.96) 60%, rgba(77,32,128,.98) 100%),
    var(--hero-bg-image, none);
  background-size: cover;
  background-position: center;
  padding: 64px 32px 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-bg-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(255,255,255,.12), transparent 35%),
              radial-gradient(circle at bottom left, rgba(0,180,216,.12), transparent 28%);
  opacity: .9;
  pointer-events: none;
}

.hero::before {
  content: '';
  position: absolute;
  top: -80px; right: -80px;
  width: 380px; height: 380px;
  background: radial-gradient(circle, rgba(0,180,216,.18) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -60px; left: -60px;
  width: 260px; height: 260px;
  background: radial-gradient(circle, rgba(240,165,0,.12) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 1120px;
  margin: 0 auto;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0,180,216,.15);
  border: 1px solid rgba(0,180,216,.4);
  color: var(--ioa-teal);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 20px;
}
.hero-eyebrow .dot {
  width: 6px; height: 6px;
  background: var(--ioa-teal);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: .5; transform: scale(1.4); }
}

.hero h1 {
  font-size: clamp(26px, 4vw, 42px);
  font-weight: 800;
  color: var(--ioa-white);
  line-height: 1.15;
  margin-bottom: 16px;
  letter-spacing: -.5px;
}

.hero h1 span { color: var(--ioa-teal); }

.hero-welcome-heading {
  font-size: clamp(28px, 4.8vw, 54px);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -.8px;
  color: var(--ioa-white);
  max-width: 1080px;
  margin: 18px auto 20px;
}

.hero-intro {
  max-width: 1080px;
  margin-left: auto;
  margin-right: auto;
  color: rgba(255,255,255,.92);
  text-align: left;
}

.hero-intro strong {
  color: #ffffff;
}

.hero .p1 {
  font-size: 16px;
  line-height: 1.58;
}

.hero .p2 {
  font-size: 13px;
  line-height: 1.55;
}

.hero-sub {
  font-size: 16px;
  color: rgba(255,255,255,.75);
  max-width: 640px;
  margin: 0 auto 24px;
}

.hero-meta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.15);
  color: rgba(255,255,255,.7);
  font-size: 13px;
  padding: 8px 18px;
  border-radius: 20px;
}
.hero-meta svg { flex-shrink: 0; }

/* ---------- Progress Bar ---------- */
.progress-wrapper {
  background: var(--ioa-white);
  border-bottom: 1px solid var(--ioa-border);
  padding: 20px 32px;
  position: sticky;
  top: 72px;
  z-index: 90;
  box-shadow: 0 2px 8px rgba(0,0,0,.05);
}

.progress-inner {
  max-width: 1120px;
  margin: 0 auto;
}

.steps-list {
  display: flex;
  align-items: center;
  gap: 0;
  counter-reset: step;
  overflow-x: auto;
  padding-bottom: 2px;
  scrollbar-width: none;
}
.steps-list::-webkit-scrollbar { display: none; }

.step-item {
  display: flex;
  align-items: center;
  flex: 1;
  min-width: 0;
}

.step-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px 10px 6px 0;
  flex: 1;
  min-width: 0;
  white-space: nowrap;
}

.step-num {
  width: 32px; height: 32px;
  border-radius: 50%;
  border: 2px solid var(--ioa-border);
  background: var(--ioa-white);
  color: var(--ioa-muted);
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--ioa-transition);
}

.step-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--ioa-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color var(--ioa-transition);
}

.step-connector {
  flex: 1;
  height: 2px;
  background: var(--ioa-border);
  min-width: 16px;
  max-width: 48px;
  transition: background var(--ioa-transition);
}

/* active / completed states */
.step-item.active   .step-num { border-color: var(--ioa-teal); background: var(--ioa-teal); color: var(--ioa-white); }
.step-item.active   .step-label { color: var(--ioa-teal); }
.step-item.completed .step-num { border-color: var(--ioa-success); background: var(--ioa-success); color: var(--ioa-white); }
.step-item.completed .step-label { color: var(--ioa-success); }
.step-item.completed + .step-item .step-connector,
.step-connector.done { background: var(--ioa-success); }

/* ---------- Main Layout ---------- */
.main-container {
  max-width: 860px;
  margin: 40px auto 80px;
  padding: 0 24px;
}

/* ---------- Form Card ---------- */
.form-card {
  background: var(--ioa-white);
  border-radius: var(--ioa-radius);
  box-shadow: var(--ioa-shadow);
  overflow: hidden;
}

/* ---------- Section Panel ---------- */
.form-section {
  display: none;
  padding: 40px 48px;
}

.form-section.active { display: block; }

@media (max-width: 600px) {
  .form-section { padding: 28px 20px; }
}

.section-header {
  margin-bottom: 32px;
  padding-bottom: 20px;
  border-bottom: 2px solid var(--ioa-border);
}

.section-header .section-tag {
  display: inline-block;
  background: rgba(0,180,216,.1);
  color: var(--ioa-teal-dark);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 10px;
}

.section-header h2 {
  font-size: 22px;
  font-weight: 800;
  color: var(--ioa-navy);
  margin-bottom: 6px;
}

.section-header p {
  font-size: 14px;
  color: var(--ioa-muted);
}

/* ---------- Form Groups ---------- */
.form-group { margin-bottom: 24px; }

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--ioa-text);
  margin-bottom: 8px;
}

.form-group label .req {
  color: var(--ioa-error);
  margin-left: 2px;
}

.form-group label .q-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px; height: 22px;
  background: var(--ioa-navy);
  color: var(--ioa-white);
  border-radius: 50%;
  font-size: 11px;
  font-weight: 700;
  margin-right: 8px;
}

.input-hint {
  font-size: 12px;
  color: var(--ioa-muted);
  margin-bottom: 8px;
  font-style: italic;
}

/* Inputs */
.form-control {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--ioa-border);
  border-radius: 8px;
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--ioa-text);
  background: #FAFCFF;
  transition: border-color var(--ioa-transition), box-shadow var(--ioa-transition);
  outline: none;
}

.form-control:focus {
  border-color: var(--ioa-teal);
  box-shadow: 0 0 0 3px rgba(0,180,216,.15);
  background: var(--ioa-white);
}

.form-control.is-invalid {
  border-color: var(--ioa-error);
  box-shadow: 0 0 0 3px rgba(220,53,69,.12);
}

textarea.form-control {
  min-height: 110px;
  resize: vertical;
}

/* Contact group grid */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

@media (max-width: 600px) {
  .contact-grid { grid-template-columns: 1fr; }
}

/* ---------- Radio & Checkbox ---------- */
.options-list { display: flex; flex-direction: column; gap: 10px; }

.option-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 16px;
  border: 1.5px solid var(--ioa-border);
  border-radius: 8px;
  cursor: pointer;
  transition: border-color var(--ioa-transition), background var(--ioa-transition);
  background: #FAFCFF;
}

.option-item:hover {
  border-color: var(--ioa-teal);
  background: rgba(0,180,216,.04);
}

.option-item input[type="radio"],
.option-item input[type="checkbox"] {
  width: 18px; height: 18px;
  accent-color: var(--ioa-teal);
  flex-shrink: 0;
  margin-top: 1px;
  cursor: pointer;
}

.option-item input[type="radio"]:checked ~ .option-body,
.option-item input[type="checkbox"]:checked ~ .option-body {
  color: var(--ioa-navy);
}

.option-item:has(input:checked) {
  border-color: var(--ioa-teal);
  background: rgba(0,180,216,.06);
}

.option-body { flex: 1; }
.option-body strong { font-size: 14px; font-weight: 600; display: block; }
.option-body span   { font-size: 12px; color: var(--ioa-muted); }

/* Checkboxes: two-column on wide screens */
.checkbox-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

@media (max-width: 600px) {
  .checkbox-grid { grid-template-columns: 1fr; }
}

/* ---------- File Upload ---------- */
.file-upload-zone {
  border: 2px dashed var(--ioa-border);
  border-radius: 8px;
  padding: 32px;
  text-align: center;
  background: #FAFCFF;
  cursor: pointer;
  transition: border-color var(--ioa-transition), background var(--ioa-transition);
  position: relative;
}

.file-upload-zone:hover,
.file-upload-zone.drag-over {
  border-color: var(--ioa-teal);
  background: rgba(0,180,216,.04);
}

.file-upload-zone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}

.upload-icon {
  width: 48px; height: 48px;
  background: rgba(0,180,216,.12);
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
  color: var(--ioa-teal);
}

.file-upload-zone p { font-size: 14px; color: var(--ioa-muted); margin-bottom: 4px; }
.file-upload-zone .file-name { font-size: 13px; font-weight: 600; color: var(--ioa-teal); margin-top: 8px; display: none; }

/* ---------- Declaration ---------- */
.declaration-box {
  background: rgba(11,29,58,.04);
  border: 1.5px solid var(--ioa-border);
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 20px;
}

.declaration-box p {
  font-size: 14px;
  color: var(--ioa-text);
  line-height: 1.7;
}

.checkbox-single {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  border: 1.5px solid var(--ioa-border);
  border-radius: 8px;
  cursor: pointer;
  transition: border-color var(--ioa-transition), background var(--ioa-transition);
}

.checkbox-single:has(input:checked) {
  border-color: var(--ioa-success);
  background: rgba(40,167,69,.05);
}

.checkbox-single input[type="checkbox"] {
  width: 20px; height: 20px;
  accent-color: var(--ioa-success);
  flex-shrink: 0;
  margin-top: 1px;
  cursor: pointer;
}

.checkbox-single .cb-text {
  font-size: 14px;
  font-weight: 600;
  color: var(--ioa-text);
}

/* ---------- Navigation Buttons ---------- */
.form-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 48px 36px;
  border-top: 1px solid var(--ioa-border);
  background: var(--ioa-white);
  gap: 12px;
}

@media (max-width: 600px) {
  .form-nav { padding: 20px; }
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 8px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--ioa-transition);
  letter-spacing: .2px;
}

.btn:disabled { opacity: .5; cursor: not-allowed; }

.btn-outline {
  background: var(--ioa-white);
  border: 1.5px solid var(--ioa-border);
  color: var(--ioa-muted);
}
.btn-outline:hover:not(:disabled) {
  border-color: var(--ioa-navy);
  color: var(--ioa-navy);
}

.btn-primary {
  background: var(--ioa-teal);
  color: var(--ioa-white);
}
.btn-primary:hover:not(:disabled) {
  background: var(--ioa-teal-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(0,180,216,.35);
}

.btn-submit {
  background: linear-gradient(135deg, var(--ioa-navy) 0%, var(--ioa-navy-light) 100%);
  color: var(--ioa-white);
  padding: 13px 36px;
}
.btn-submit:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(11,29,58,.3);
}

/* ---------- Validation Error Message ---------- */
.error-message {
  font-size: 12px;
  color: var(--ioa-error);
  margin-top: 5px;
  display: none;
}
.is-invalid + .error-message,
.error-message.visible { display: block; }

/* ---------- Alert Banner ---------- */
.alert {
  padding: 14px 18px;
  border-radius: 8px;
  font-size: 14px;
  margin-bottom: 24px;
  display: flex;
  gap: 10px;
  align-items: flex-start;
}
.alert-error {
  background: rgba(220,53,69,.08);
  border: 1px solid rgba(220,53,69,.25);
  color: #b02a37;
}
.alert-success {
  background: rgba(40,167,69,.08);
  border: 1px solid rgba(40,167,69,.25);
  color: #1a6630;
}

/* ---------- Thank You Panel ---------- */
#thank-you {
  display: none;
  padding: 72px 48px;
  text-align: center;
}

.ty-icon {
  width: 80px; height: 80px;
  background: linear-gradient(135deg, var(--ioa-teal), var(--ioa-teal-dark));
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  box-shadow: 0 8px 24px rgba(0,180,216,.35);
}
.ty-icon svg { width: 40px; height: 40px; color: white; }

#thank-you h2 {
  font-size: 28px;
  font-weight: 800;
  color: var(--ioa-navy);
  margin-bottom: 14px;
}

#thank-you p {
  font-size: 15px;
  color: var(--ioa-muted);
  max-width: 540px;
  margin: 0 auto 8px;
}

#thank-you .ref-id {
  display: inline-block;
  margin-top: 20px;
  background: var(--ioa-off-white);
  border: 1px solid var(--ioa-border);
  border-radius: 8px;
  padding: 10px 24px;
  font-size: 13px;
  color: var(--ioa-muted);
}
#thank-you .ref-id strong { color: var(--ioa-navy); font-size: 15px; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--ioa-navy);
  color: rgba(255,255,255,.55);
  padding: 32px;
  text-align: center;
  font-size: 12.5px;
  margin-top: 0;
}
.site-footer a { color: var(--ioa-teal); }
.site-footer strong { color: rgba(255,255,255,.8); }

/* ---------- Loading Spinner ---------- */
.spinner {
  width: 18px; height: 18px;
  border: 2.5px solid rgba(255,255,255,.35);
  border-top-color: white;
  border-radius: 50%;
  animation: spin .7s linear infinite;
  display: none;
}
.loading .spinner { display: inline-block; }
.loading .btn-text { display: none; }

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

/* ---------- Responsive tweaks ---------- */
@media (max-width: 768px) {
  .progress-wrapper { padding: 16px 20px; }
  .step-label { display: none; }
  .hero { padding: 44px 20px 40px; }
}

@media print {
  @page {
    margin: 16mm;
  }

  body {
    background: #ffffff;
    color: #000000;
  }

  .site-header,
  .hero,
  .progress-wrapper,
  .form-nav,
  .site-footer,
  #form-alert,
  .header-right {
    display: none !important;
  }

  .print-intro {
    display: block;
    background: #ffffff;
    border-bottom: none;
    page-break-after: always;
    break-after: page;
  }

  .main-container {
    max-width: none;
    margin: 0;
    padding: 0;
  }

  .form-card,
  #thank-you {
    box-shadow: none;
    border-radius: 0;
  }

  .form-card {
    display: block !important;
    background: #ffffff;
  }

  .form-section {
    display: block !important;
    page-break-inside: avoid;
    break-inside: avoid;
    padding: 18px 0;
  }

  .form-section:first-child {
    page-break-before: auto;
  }

  .section-header,
  .form-group,
  .declaration-box,
  .option-item,
  .file-upload-zone,
  .checkbox-single {
    break-inside: avoid;
    page-break-inside: avoid;
  }
}