/* ZebraTech Brief — style.css */
:root {
  --bg: #F5F7F6;
  --bg-dark: #EEF1F0;
  --surface: #FFFFFF;
  --border: #E6EAE8;
  --text-main: #0A0A0A;
  --text-body: #333333;
  --text-muted: #666666;
  --accent-teal: #38B2AC;
  --accent-blue: #2B6CB0;
  --grad-primary: linear-gradient(135deg, #38B2AC 0%, #2B6CB0 100%);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --radius-pill: 999px;
  --shadow-card: 0 4px 24px rgba(0,0,0,0.06);
  --shadow-glow: 0 15px 45px rgba(56,178,172,0.15);
  --font: 'Inter', sans-serif;
  --transition: 0.2s cubic-bezier(0.4,0,0.2,1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text-body);
  min-height: 100vh;
  overflow-x: hidden;
}

.zebra-bg {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 20% 20%, rgba(56,178,172,0.08) 0%, transparent 60%),
    radial-gradient(ellipse 60% 60% at 80% 80%, rgba(43,108,176,0.07) 0%, transparent 60%),
    var(--bg);
  z-index: -2;
}

.aura {
  position: fixed;
  border-radius: 50%;
  filter: blur(80px);
  z-index: -1;
  pointer-events: none;
}
.aura-1 {
  width: 600px; height: 600px;
  top: -200px; left: -200px;
  background: radial-gradient(circle, rgba(56,178,172,0.12) 0%, transparent 70%);
}
.aura-2 {
  width: 500px; height: 500px;
  bottom: -200px; right: -150px;
  background: radial-gradient(circle, rgba(43,108,176,0.10) 0%, transparent 70%);
}

.zt-brief-wrap {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 20px 60px;
}

.zt-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0 20px;
  position: sticky;
  top: 0;
  background: rgba(245,247,246,0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 100;
  border-bottom: 1px solid rgba(56,178,172,0.12);
  margin-bottom: 8px;
}

.zt-logo {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text-main);
  text-decoration: none;
}
.zt-logo span { color: var(--accent-teal); }

.lang-selector {
  display: flex;
  gap: 4px;
  background: rgba(255,255,255,0.4);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(56,178,172,0.18);
  border-radius: var(--radius-pill);
  padding: 4px;
}
.lang-btn {
  background: transparent;
  border: none;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition);
}
.lang-btn.active, .lang-btn:hover {
  background: var(--grad-primary);
  color: #fff;
}

.zt-intro {
  padding: 40px 0 32px;
  text-align: center;
}
.zt-eyebrow {
  display: inline-block;
  background: rgba(56,178,172,0.12);
  color: var(--accent-teal);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 16px;
}
.zt-intro h1 {
  font-size: clamp(28px,5vw,44px);
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.15;
  margin-bottom: 12px;
  letter-spacing: -1px;
}
.zt-intro p {
  color: var(--text-muted);
  font-size: 16px;
  max-width: 500px;
  margin: 0 auto;
}

.zt-card {
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.8);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card), 0 0 0 1px rgba(56,178,172,0.06);
  overflow: hidden;
}

.form-section {
  padding: 36px 40px;
  border-bottom: 1px solid var(--border);
}
.form-section:last-of-type { border-bottom: none; }

.section-title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 18px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 8px;
}
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px; height: 32px;
  min-width: 32px;
  border-radius: var(--radius-pill);
  background: var(--grad-primary);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
}
.section-hint {
  color: var(--text-muted);
  font-size: 13px;
  margin-bottom: 20px;
  margin-top: -2px;
}
.sub-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.3px;
  margin-bottom: 10px;
}
.sub-group { margin-bottom: 24px; }
.sub-group:last-child { margin-bottom: 0; }

.service-block {
  border-top: 2px solid rgba(56,178,172,0.15);
  background: rgba(56,178,172,0.02);
}
.service-block.hidden { display: none; }
.service-block-label { padding: 16px 40px 4px; }
.pill-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(56,178,172,0.1);
  color: var(--accent-teal);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.5px;
  padding: 5px 14px;
  border-radius: var(--radius-pill);
}

.options-grid { display: grid; gap: 10px; margin-top: 4px; }
.options-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.options-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }

.option-card { cursor: pointer; display: block; }
.option-card input[type="radio"],
.option-card input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.card-content {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: all var(--transition);
  min-height: 60px;
}
.card-content:hover {
  border-color: rgba(56,178,172,0.5);
  background: rgba(255,255,255,0.9);
  box-shadow: 0 2px 12px rgba(56,178,172,0.1);
  transform: translateY(-1px);
}
.option-card input:checked + .card-content {
  border-color: var(--accent-teal);
  background: rgba(56,178,172,0.07);
  box-shadow: 0 0 0 1px var(--accent-teal), 0 4px 16px rgba(56,178,172,0.12);
}
.card-icon { font-size: 20px; line-height: 1; flex-shrink: 0; margin-top: 1px; }
.card-text { font-size: 14px; font-weight: 500; color: var(--text-body); line-height: 1.4; align-self: center; }
.card-body { display: flex; flex-direction: column; gap: 3px; }
.card-title { font-size: 14px; font-weight: 600; color: var(--text-main); line-height: 1.3; }
.card-sub { font-size: 12px; color: var(--text-muted); line-height: 1.3; }

.input-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.input-group { display: flex; flex-direction: column; gap: 6px; }
.input-group.full-width { grid-column: 1 / -1; }
.input-group label { font-size: 13px; font-weight: 600; color: var(--text-muted); }
.input-group input,
.input-group textarea {
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(8px);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-family: var(--font);
  font-size: 14px;
  color: var(--text-main);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  width: 100%;
  resize: vertical;
}
.input-group input:focus,
.input-group textarea:focus {
  border-color: var(--accent-teal);
  box-shadow: 0 0 0 3px rgba(56,178,172,0.12);
  background: rgba(255,255,255,0.95);
}
.input-group input::placeholder,
.input-group textarea::placeholder { color: #bbb; }

.submit-container {
  padding: 36px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid var(--border);
  background: rgba(245,247,246,0.5);
}
.submit-note { font-size: 13px; color: var(--text-muted); }
.submit-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 36px;
  background: var(--grad-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-pill);
  font-family: var(--font);
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: var(--shadow-glow);
  transition: all var(--transition);
  white-space: nowrap;
}
.submit-btn:hover { transform: translateY(-2px); box-shadow: 0 20px 50px rgba(56,178,172,0.25); }
.submit-btn:active { transform: translateY(0); }
.btn-arrow { font-size: 18px; transition: transform var(--transition); }
.submit-btn:hover .btn-arrow { transform: translateX(4px); }

.success-screen { display: flex; align-items: center; justify-content: center; min-height: 60vh; padding: 60px 20px; }
.success-screen.id-hidden { display: none; }
.success-content {
  text-align: center;
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.8);
  border-radius: var(--radius-lg);
  padding: 60px 48px;
  max-width: 480px;
  width: 100%;
}
.success-icon-wrapper { width: 80px; height: 80px; margin: 0 auto 24px; }
.success-checkmark { width: 80px; height: 80px; animation: scaleIn 0.3s ease-out; }
.checkmark-circle {
  stroke: var(--accent-teal); stroke-width: 2;
  stroke-dasharray: 166; stroke-dashoffset: 166;
  animation: strokeDash 0.6s 0.3s cubic-bezier(0.65,0,0.45,1) forwards;
}
.checkmark-check {
  stroke: var(--accent-teal); stroke-width: 2.5;
  stroke-dasharray: 48; stroke-dashoffset: 48;
  animation: strokeDash 0.4s 0.8s ease forwards;
}
@keyframes strokeDash { to { stroke-dashoffset: 0; } }
@keyframes scaleIn { from { transform: scale(0.8); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.success-content h2 { font-size: 28px; font-weight: 800; color: var(--text-main); margin-bottom: 12px; }
.success-content p { color: var(--text-muted); font-size: 15px; margin-bottom: 32px; }
.reset-btn {
  background: transparent;
  border: 2px solid var(--accent-teal);
  color: var(--accent-teal);
  padding: 12px 28px;
  border-radius: var(--radius-pill);
  font-family: var(--font);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}
.reset-btn:hover { background: var(--accent-teal); color: #fff; }

.zt-footer { display: flex; align-items: center; justify-content: space-between; padding: 28px 0 12px; }
.footer-socials { display: flex; gap: 12px; }
.footer-socials a {
  width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,0.5);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--text-muted);
  text-decoration: none;
  transition: all var(--transition);
}
.footer-socials a:hover { color: var(--accent-teal); border-color: var(--accent-teal); background: rgba(56,178,172,0.08); }
.footer-link { font-size: 12px; color: var(--text-muted); text-decoration: none; font-weight: 500; }
.footer-link:hover { color: var(--accent-teal); }

@media (max-width: 720px) {
  .form-section, .service-block-label, .submit-container { padding-left: 20px; padding-right: 20px; }
  .options-grid.cols-3 { grid-template-columns: repeat(2, 1fr); }
  .input-grid { grid-template-columns: 1fr; }
  .input-group.full-width { grid-column: 1; }
  .submit-container { flex-direction: column; align-items: stretch; text-align: center; }
  .submit-btn { justify-content: center; }
}
@media (max-width: 480px) {
  .options-grid.cols-2, .options-grid.cols-3 { grid-template-columns: 1fr; }
  .zt-intro h1 { font-size: 26px; }
}