/* ============================================================
   OpenClaw Workshop — Main Stylesheet
   ============================================================ */

/* ── Fonts ─────────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Space+Grotesk:wght@400;500;600;700&display=swap');

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

:root {
  --bg:           #0a0a12;
  --bg2:          #111120;
  --card:         #15151f;
  --card-border:  #252535;
  --accent:       #e94560;
  --accent-dim:   rgba(233,69,96,.15);
  --accent2:      #00c6ff;
  --accent2-dim:  rgba(0,198,255,.12);
  --text:         #f0f0f4;
  --text-muted:   #8080a0;
  --text-label:   #c0c0d8;
  --success:      #2dd4a4;
  --error:        #ff5070;
  --radius:       14px;
  --radius-sm:    8px;
  --shadow:       0 4px 30px rgba(0,0,0,.5);
  --font-sans:    'Inter', system-ui, sans-serif;
  --font-display: 'Space Grotesk', 'Inter', sans-serif;
  --transition:   .2s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent2); text-decoration: none; }
a:hover { text-decoration: underline; }

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

/* ── Utility ─────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 80px 0; }
.section-sm { padding: 56px 0; }

.badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 4px 14px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.section-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 640px;
  line-height: 1.7;
}

/* ── Navbar ──────────────────────────────────────────────── */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10,10,18,.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--card-border);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.navbar-logo {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.navbar-logo span { color: var(--accent); }

.navbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-lang {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  background: transparent;
  border: 1px solid var(--card-border);
  border-radius: 100px;
  padding: 6px 16px;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.btn-lang:hover {
  color: var(--text);
  border-color: var(--accent2);
  text-decoration: none;
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  padding: 12px 28px;
  border-radius: 100px;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 20px rgba(233,69,96,.4);
}

.btn-primary:hover {
  background: #ff6b84;
  box-shadow: 0 6px 28px rgba(233,69,96,.55);
  transform: translateY(-1px);
  text-decoration: none;
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--card-border);
}

.btn-outline:hover {
  border-color: var(--accent2);
  color: var(--accent2);
  text-decoration: none;
}

.btn-lg { font-size: 17px; padding: 16px 40px; }
.btn-sm { font-size: 13px; padding: 8px 20px; }

.btn:disabled,
.btn[disabled] {
  opacity: .5;
  cursor: not-allowed;
  transform: none !important;
}

/* ── Hero ────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 80px 0 100px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/banner.png');
  background-size: cover;
  background-position: center top;
  opacity: .18;
  filter: blur(2px) saturate(1.2);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(10,10,18,.92) 0%,
    rgba(15,52,96,.6) 60%,
    rgba(10,10,18,.92) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 5.5vw, 56px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -1px;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #fff 30%, #a0c8ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(16px, 2.5vw, 19px);
  color: var(--text-label);
  margin-bottom: 36px;
  max-width: 540px;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
}

.hero-meta {
  display: flex;
  gap: 24px;
  margin-top: 40px;
  flex-wrap: wrap;
}

.hero-meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
}

.hero-meta-item .icon { font-size: 16px; }

/* ── Key Info Strip ──────────────────────────────────────── */
.info-strip {
  background: var(--bg2);
  border-top: 1px solid var(--card-border);
  border-bottom: 1px solid var(--card-border);
  padding: 28px 0;
}

.info-strip-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 24px;
  text-align: center;
}

.info-strip-item .label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 6px;
}

.info-strip-item .value {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
}

.info-strip-item .sub {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ── About ───────────────────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.about-badges {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.about-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  padding: 10px 16px;
  font-size: 13px;
}

.about-badge .ab-label {
  color: var(--text-muted);
  font-size: 11px;
  display: block;
}

.about-badge .ab-value {
  color: var(--text);
  font-weight: 600;
}

/* ── Curriculum ──────────────────────────────────────────── */
.curriculum-bg { background: var(--bg2); }

.curriculum-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-top: 40px;
}

.curriculum-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: border-color var(--transition), transform var(--transition);
}

.curriculum-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
}

.curriculum-icon {
  font-size: 28px;
  margin-bottom: 16px;
}

.curriculum-title {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.curriculum-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.55;
}

/* ── Schedule ────────────────────────────────────────────── */
.schedule-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 40px;
}

.session-card {
  background: var(--card);
  border: 2px solid var(--card-border);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.session-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent-dim), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.session-card:hover {
  border-color: var(--accent);
}

.session-card:hover::before { opacity: 1; }

.session-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.session-date {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.session-time {
  font-size: 40px;
  font-weight: 800;
  font-family: var(--font-display);
  color: var(--accent2);
  line-height: 1;
  margin-bottom: 12px;
}

.session-duration {
  font-size: 13px;
  color: var(--text-muted);
  background: var(--accent2-dim);
  display: inline-block;
  padding: 4px 14px;
  border-radius: 100px;
  color: var(--accent2);
}

/* ── Info Trio (Location / Price / Requirements) ─────────── */
.info-trio {
  background: var(--bg2);
}

.info-trio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.info-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 28px;
}

.info-card-icon {
  font-size: 28px;
  margin-bottom: 14px;
}

.info-card-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}

.info-card-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}

.info-card-sub {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.5;
}

.info-card-price {
  font-family: var(--font-display);
  font-size: 38px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 4px;
}

.info-card-price-sub {
  font-size: 13px;
  color: var(--text-muted);
}

.req-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 12px;
}

.req-item .req-icon { font-size: 20px; flex-shrink: 0; }
.req-item .req-text { font-size: 15px; color: var(--text); font-weight: 600; }
.req-item .req-note { font-size: 13px; color: var(--text-muted); margin-top: 2px; }

/* ── Prep Note ───────────────────────────────────────────── */
.prep-note {
  background: var(--bg2);
}

.prep-note-box {
  background: linear-gradient(135deg, rgba(0,198,255,.08), rgba(233,69,96,.06));
  border: 1px solid rgba(0,198,255,.2);
  border-radius: var(--radius);
  padding: 36px 40px;
  display: flex;
  gap: 24px;
  align-items: flex-start;
}

.prep-note-icon { font-size: 40px; flex-shrink: 0; }

.prep-note-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.prep-note-desc {
  font-size: 15px;
  color: var(--text-label);
  line-height: 1.65;
}

/* ── Payment Methods ─────────────────────────────────────── */
.payment-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 32px;
}

.payment-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  align-items: center;
  gap: 20px;
  transition: border-color var(--transition);
}

.payment-card:hover { border-color: var(--accent2); }

.payment-logo {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  flex-shrink: 0;
}

.payment-logo-payme  { background: #e8f5e9; }
.payment-logo-paypal { background: #e8f0fb; }

.payment-info-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.payment-info-name {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.payment-note {
  margin-bottom: 32px;
  font-size: 14px;
  color: var(--text-muted);
  background: var(--card);
  border-left: 3px solid var(--accent);
  padding: 14px 20px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* ── CTA Banner ──────────────────────────────────────────── */
.cta-banner {
  background: linear-gradient(135deg, #0f3460 0%, #1a1a2e 40%, #16213e 100%);
  border-top: 1px solid rgba(255,255,255,.06);
  border-bottom: 1px solid rgba(255,255,255,.06);
  padding: 80px 0;
  text-align: center;
}

.cta-banner .section-title { margin-bottom: 12px; }

.cta-banner .section-desc {
  margin: 0 auto 36px;
}

/* ── Footer ──────────────────────────────────────────────── */
.footer {
  background: var(--bg2);
  border-top: 1px solid var(--card-border);
  padding: 28px 0;
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
}

/* ══════════════════════════════════════════════════════════
   REGISTER PAGE
   ══════════════════════════════════════════════════════════ */

.reg-page {
  min-height: 100vh;
  padding: 60px 0 100px;
  background: var(--bg);
}

.reg-header {
  margin-bottom: 40px;
}

.reg-title {
  font-family: var(--font-display);
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 800;
  color: var(--text);
  margin-bottom: 8px;
}

.reg-subtitle {
  font-size: 15px;
  color: var(--text-muted);
}

/* Payment notice */
.payment-notice {
  background: var(--card);
  border: 1px solid rgba(0,198,255,.25);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-bottom: 32px;
  font-size: 14px;
  color: var(--text-label);
  line-height: 1.6;
}

.payment-notice a { color: var(--accent2); font-weight: 600; }
.payment-notice a:hover { text-decoration: underline; }

.payment-notice .pn-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent2);
}

.payment-buttons {
  display: flex;
  gap: 12px;
  margin-top: 14px;
  flex-wrap: wrap;
}

/* Form */
.form-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 40px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.form-group.full { grid-column: 1 / -1; }

.form-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-label);
  letter-spacing: .3px;
}

.form-label .required { color: var(--accent); margin-left: 3px; }

.form-control {
  font-family: var(--font-sans);
  font-size: 15px;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  color: var(--text);
  padding: 12px 16px;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  width: 100%;
  appearance: none;
  -webkit-appearance: none;
}

.form-control::placeholder { color: var(--text-muted); }

.form-control:focus {
  border-color: var(--accent2);
  box-shadow: 0 0 0 3px rgba(0,198,255,.12);
}

.form-control.is-invalid {
  border-color: var(--error);
  box-shadow: 0 0 0 3px rgba(255,80,112,.12);
}

select.form-control {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='%238080a0'%3E%3Cpath d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
  cursor: pointer;
}

select.form-control option { background: #1a1a2e; }

.form-desc {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
  margin-top: 2px;
}

.form-error {
  font-size: 12px;
  color: var(--error);
  margin-top: 2px;
  display: none;
}

.form-error.visible { display: block; }

/* File upload */
.file-upload-area {
  border: 2px dashed var(--card-border);
  border-radius: var(--radius);
  padding: 36px 24px;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
  position: relative;
}

.file-upload-area:hover,
.file-upload-area.drag-over {
  border-color: var(--accent2);
  background: var(--accent2-dim);
}

.file-upload-area.has-file {
  border-color: var(--success);
  background: rgba(45,212,164,.06);
}

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

.file-upload-icon { font-size: 36px; margin-bottom: 12px; }

.file-upload-text {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}

.file-upload-hint { font-size: 13px; color: var(--text-muted); }

.file-upload-name {
  font-size: 14px;
  color: var(--success);
  font-weight: 600;
  margin-top: 8px;
  display: none;
}

.file-upload-area.has-file .file-upload-name { display: block; }
.file-upload-area.has-file .file-upload-icon::after { content: '✅'; }

/* Form submit area */
.form-submit-area {
  margin-top: 32px;
  padding-top: 28px;
  border-top: 1px solid var(--card-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.form-submit-note {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
  max-width: 400px;
}

/* Alert boxes */
.alert {
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  margin-bottom: 24px;
  line-height: 1.55;
}

.alert-error {
  background: rgba(255,80,112,.1);
  border: 1px solid rgba(255,80,112,.35);
  color: #ff8fa0;
}

.alert-success {
  background: rgba(45,212,164,.1);
  border: 1px solid rgba(45,212,164,.35);
  color: var(--success);
}

/* ══════════════════════════════════════════════════════════
   SUCCESS PAGE
   ══════════════════════════════════════════════════════════ */

.success-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 24px;
}

.success-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 60px 48px;
  text-align: center;
  max-width: 560px;
  width: 100%;
}

.success-icon {
  font-size: 64px;
  margin-bottom: 24px;
  display: block;
}

.success-heading {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 12px;
}

.success-message {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 36px;
}

.success-steps {
  text-align: left;
  background: var(--bg2);
  border-radius: var(--radius-sm);
  padding: 24px;
  margin-bottom: 36px;
  list-style: none;
}

.success-steps li {
  display: flex;
  gap: 12px;
  font-size: 14px;
  color: var(--text-label);
  padding: 8px 0;
  border-bottom: 1px solid var(--card-border);
  line-height: 1.5;
}

.success-steps li:last-child { border-bottom: none; }

.success-steps li::before {
  content: '→';
  color: var(--accent);
  font-weight: 700;
  flex-shrink: 0;
}

.success-note {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 20px;
}

/* ══════════════════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════════════════ */

@media (max-width: 860px) {
  .about-grid        { grid-template-columns: 1fr; gap: 32px; }
  .info-trio-grid    { grid-template-columns: 1fr; }
  .schedule-grid     { grid-template-columns: 1fr; }
  .payment-grid      { grid-template-columns: 1fr; }
  .form-grid         { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .container         { padding: 0 16px; }
  .section           { padding: 56px 0; }
  .hero              { padding: 60px 0 80px; }
  .info-strip-grid   { grid-template-columns: 1fr 1fr; }
  .curriculum-grid   { grid-template-columns: 1fr 1fr; }
  .form-card         { padding: 24px 20px; }
  .form-submit-area  { flex-direction: column; align-items: stretch; }
  .form-submit-area .btn { text-align: center; justify-content: center; }
  .prep-note-box     { flex-direction: column; }
  .success-card      { padding: 40px 24px; }
  .btn-lg            { font-size: 15px; padding: 14px 28px; }
}

@media (max-width: 400px) {
  .info-strip-grid   { grid-template-columns: 1fr; }
  .curriculum-grid   { grid-template-columns: 1fr; }
}