/* ============================================
   VoxRelay Landing Page — style.css
   ============================================ */

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

:root {
  --blue: #2563eb;
  --blue-dark: #1d4ed8;
  --blue-light: #eff6ff;
  --blue-50: #dbeafe;
  --green: #16a34a;
  --green-light: #f0fdf4;
  --orange: #f97316;
  --orange-light: #fff7ed;
  --purple: #7c3aed;
  --purple-light: #f5f3ff;
  --teal: #0d9488;
  --teal-light: #f0fdfa;
  --rose: #e11d48;
  --rose-light: #fff1f2;
  --red: #dc2626;
  --yellow: #eab308;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;
  --white: #ffffff;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.1), 0 4px 6px rgba(0,0,0,0.05);
  --shadow-xl: 0 20px 25px rgba(0,0,0,0.1), 0 10px 10px rgba(0,0,0,0.04);
  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --transition: 200ms ease;
}

html { scroll-behavior: smooth; scroll-padding-top: 80px; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--gray-700);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue); text-decoration: none; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
  transition: box-shadow var(--transition);
}
.nav.scrolled { box-shadow: var(--shadow-md); }
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.nav-logo { display: flex; align-items: center; font-size: 1.25rem; font-weight: 700; }
.logo-vox { color: var(--blue); }
.logo-relay { color: var(--gray-900); }
.nav-links {
  display: flex;
  list-style: none;
  gap: 32px;
}
.nav-links a {
  color: var(--gray-600);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--gray-900); }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--gray-700);
  border-radius: 2px;
  transition: var(--transition);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font);
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}
.btn-sm { font-size: 0.875rem; padding: 8px 16px; }
.btn-lg { font-size: 1rem; padding: 14px 28px; }
.btn-full { width: 100%; }
.btn-primary {
  background: var(--blue);
  color: var(--white);
}
.btn-primary:hover { background: var(--blue-dark); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-ghost {
  background: transparent;
  color: var(--gray-700);
  border: 1px solid var(--gray-300);
}
.btn-ghost:hover { background: var(--gray-50); border-color: var(--gray-400); }
.btn-outline {
  background: transparent;
  color: var(--blue);
  border: 2px solid var(--blue);
}
.btn-outline:hover { background: var(--blue-light); }

/* --- Hero --- */
.hero {
  padding: 120px 0 80px;
  background: linear-gradient(135deg, var(--white) 0%, var(--blue-light) 100%);
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.hero-badge {
  display: inline-block;
  background: var(--blue-50);
  color: var(--blue);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 20px;
  margin-bottom: 20px;
}
.hero h1 {
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.15;
  color: var(--gray-900);
  margin-bottom: 20px;
}
.hero-sub {
  font-size: 1.2rem;
  color: var(--gray-600);
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 520px;
}
.hero-actions { display: flex; gap: 12px; margin-bottom: 48px; }
.hero-stats { display: flex; gap: 40px; }
.stat-num {
  display: block;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--blue);
}
.stat-label {
  font-size: 0.85rem;
  color: var(--gray-500);
}

/* Phone mock */
.hero-visual { display: flex; justify-content: center; }
.phone-mock {
  width: 280px;
  background: var(--gray-900);
  border-radius: 32px;
  padding: 12px;
  box-shadow: var(--shadow-xl);
}
.phone-screen {
  background: var(--white);
  border-radius: 22px;
  padding: 20px 16px;
  min-height: 360px;
}
.mock-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--gray-100);
}
.mock-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.mock-dot.green { background: var(--green); }
.mock-dot.blue { background: var(--blue); }
.mock-title { font-size: 0.85rem; font-weight: 600; color: var(--gray-800); }
.mock-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: var(--gray-50);
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
}
.mock-avatar {
  width: 40px;
  height: 40px;
  background: var(--blue-50);
  color: var(--blue);
  font-weight: 700;
  font-size: 0.8rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.mock-name { display: block; font-weight: 600; font-size: 0.9rem; color: var(--gray-800); }
.mock-apt { font-size: 0.75rem; color: var(--gray-500); }
.mock-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 500;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
}
.mock-status.confirmed { background: var(--green-light); color: var(--green); }
.mock-btn {
  display: block;
  width: 100%;
  padding: 12px;
  background: var(--blue);
  color: var(--white);
  border: none;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: default;
}

/* --- Sections --- */
.section { padding: 96px 0; }
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}
.section-tag {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--blue);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}
.section h2 {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1.2;
  margin-bottom: 16px;
}
.section-desc {
  font-size: 1.1rem;
  color: var(--gray-500);
  line-height: 1.7;
}

/* --- Problem --- */
.section-problem { background: var(--gray-50); }
.pain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.pain-card {
  background: var(--white);
  padding: 32px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-100);
}
.pain-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--rose-light);
  color: var(--rose);
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
}
.pain-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 8px;
}
.pain-card p {
  font-size: 0.95rem;
  color: var(--gray-500);
  line-height: 1.6;
}

/* --- Solution --- */
.solution-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.solution-content .section-tag { text-align: left; }
.solution-content h2 {
  font-size: 2rem;
  text-align: left;
  margin-bottom: 16px;
}
.solution-content > p {
  font-size: 1.05rem;
  color: var(--gray-500);
  margin-bottom: 28px;
  line-height: 1.7;
}
.check-list { list-style: none; display: flex; flex-direction: column; gap: 14px; }
.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--gray-700);
}
.check-list svg { flex-shrink: 0; color: var(--green); margin-top: 2px; }

/* Dashboard mock */
.dashboard-mock {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-200);
  padding: 20px;
}
.calendar-grid { display: flex; flex-direction: column; gap: 8px; }
.cal-slot {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
}
.cal-time { color: var(--gray-500); min-width: 40px; }
.cal-name { color: var(--gray-800); }
.cal-slot.confirmed { background: var(--green-light); border-left: 3px solid var(--green); }
.cal-slot.pending { background: var(--gray-100); border-left: 3px solid var(--gray-400); }
.cal-slot.voxing { background: var(--blue-light); border-left: 3px solid var(--blue); }

/* --- Features --- */
.section-features { background: var(--gray-50); }
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--white);
  padding: 28px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-100);
  transition: transform var(--transition), box-shadow var(--transition);
}
.feature-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
}
.feature-icon.blue { background: var(--blue-light); color: var(--blue); }
.feature-icon.green { background: var(--green-light); color: var(--green); }
.feature-icon.orange { background: var(--orange-light); color: var(--orange); }
.feature-icon.purple { background: var(--purple-light); color: var(--purple); }
.feature-icon.teal { background: var(--teal-light); color: var(--teal); }
.feature-icon.rose { background: var(--rose-light); color: var(--rose); }
.feature-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 8px;
}
.feature-card p {
  font-size: 0.9rem;
  color: var(--gray-500);
  line-height: 1.6;
}

/* --- How It Works --- */
.steps-grid {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
}
.step {
  text-align: center;
  max-width: 280px;
  padding: 0 20px;
}
.step-num {
  width: 48px;
  height: 48px;
  background: var(--blue);
  color: var(--white);
  font-size: 1.25rem;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}
.step h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 8px;
}
.step p {
  font-size: 0.9rem;
  color: var(--gray-500);
  line-height: 1.6;
}
.step-line {
  width: 80px;
  height: 2px;
  background: var(--gray-200);
  margin-top: 24px;
  flex-shrink: 0;
}

/* --- Verticals --- */
.verticals-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.vertical-card {
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  transition: border-color var(--transition);
}
.vertical-card:hover { border-color: var(--blue); }
.vertical-card h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 6px;
}
.vertical-card p {
  font-size: 0.9rem;
  color: var(--gray-500);
  line-height: 1.5;
}

/* --- Proof / Social Proof --- */
.section-proof { background: var(--gray-900); color: var(--white); }
.section-proof .section-tag { color: var(--blue-50); }
.section-proof .section-header h2 { color: var(--white); }
.section-proof .section-desc { color: var(--gray-400); }
.proof-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}
.proof-card {
  background: var(--gray-800);
  border: 1px solid var(--gray-700);
  border-radius: var(--radius);
  padding: 28px;
}
.proof-num {
  display: block;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--blue);
  line-height: 1;
  margin-bottom: 12px;
}
.proof-stat {
  font-size: 0.95rem;
  color: var(--gray-200);
  line-height: 1.5;
  margin-bottom: 12px;
}
.proof-source {
  font-size: 0.75rem;
  color: var(--gray-500);
  line-height: 1.4;
  font-style: italic;
}
.proof-bottom {
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
  padding: 28px 32px;
  background: var(--gray-800);
  border: 1px solid var(--gray-700);
  border-radius: var(--radius);
}
.proof-bottom p {
  font-size: 1.1rem;
  color: var(--gray-300);
  line-height: 1.6;
}
.proof-bottom strong { color: var(--white); }

/* --- Pricing --- */
.section-pricing { background: var(--gray-50); }
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}
.price-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
}
.price-card.featured {
  border: 2px solid var(--blue);
  box-shadow: var(--shadow-lg);
  transform: scale(1.03);
}
.price-badge {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--blue);
  margin-bottom: 8px;
}
.price-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 12px;
}
.price {
  display: flex;
  align-items: baseline;
  gap: 2px;
  margin-bottom: 8px;
}
.price-currency { font-size: 1.25rem; font-weight: 600; color: var(--gray-900); }
.price-amount { font-size: 3rem; font-weight: 700; color: var(--gray-900); line-height: 1; }
.price-period { font-size: 1rem; color: var(--gray-500); margin-left: 4px; }
.price-desc {
  font-size: 0.9rem;
  color: var(--gray-500);
  margin-bottom: 24px;
}
.price-features {
  list-style: none;
  margin-bottom: 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.price-features li {
  font-size: 0.9rem;
  color: var(--gray-600);
  padding-left: 24px;
  position: relative;
}
.price-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  width: 14px;
  height: 14px;
  background: var(--green);
  mask: url("data:image/svg+xml,%3Csvg viewBox='0 0 16 16' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M13.3 4.3a1 1 0 0 1 0 1.4l-6 6a1 1 0 0 1-1.4 0l-3-3a1 1 0 1 1 1.4-1.4L6.6 9.6l5.3-5.3a1 1 0 0 1 1.4 0z' fill='currentColor'/%3E%3C/svg%3E") no-repeat center;
  -webkit-mask: url("data:image/svg+xml,%3Csvg viewBox='0 0 16 16' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M13.3 4.3a1 1 0 0 1 0 1.4l-6 6a1 1 0 0 1-1.4 0l-3-3a1 1 0 1 1 1.4-1.4L6.6 9.6l5.3-5.3a1 1 0 0 1 1.4 0z' fill='currentColor'/%3E%3C/svg%3E") no-repeat center;
}

/* --- CTA --- */
.section-cta {
  background: linear-gradient(135deg, var(--gray-900) 0%, #1a2744 100%);
  padding: 96px 0;
}
.cta-card {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}
.cta-card h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
}
.cta-card > p {
  font-size: 1.05rem;
  color: var(--gray-400);
  margin-bottom: 36px;
  line-height: 1.7;
}
.cta-form {
  background: var(--white);
  padding: 32px;
  border-radius: var(--radius-lg);
  text-align: left;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--gray-700);
}
.form-group input,
.form-group select {
  font-family: var(--font);
  font-size: 1rem;
  padding: 12px 14px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  color: var(--gray-800);
  background: var(--white);
  transition: border-color var(--transition);
}
.form-group input:focus,
.form-group select:focus {
  border-color: var(--blue);
  outline: none;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}
.form-group input::placeholder { color: var(--gray-400); }
.cta-form .btn { margin-top: 8px; }
.form-note {
  text-align: center;
  font-size: 0.8rem;
  color: var(--gray-500);
  margin-top: 12px;
}

/* --- Footer --- */
.footer {
  background: var(--gray-900);
  color: var(--gray-400);
  padding: 64px 0 32px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 48px;
}
.footer-brand p {
  margin-top: 12px;
  font-size: 0.9rem;
  line-height: 1.6;
  max-width: 320px;
}
.footer-links {
  display: flex;
  gap: 48px;
}
.footer-col h4 {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col a {
  color: var(--gray-400);
  font-size: 0.9rem;
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--white); }
.footer-bottom {
  grid-column: 1 / -1;
  padding-top: 32px;
  margin-top: 32px;
  border-top: 1px solid var(--gray-800);
  font-size: 0.8rem;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
  .hero h1 { font-size: 2.5rem; }
  .section h2 { font-size: 2rem; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--white);
    padding: 16px 24px;
    border-bottom: 1px solid var(--gray-200);
    box-shadow: var(--shadow-md);
    gap: 16px;
  }
  .btn-sm.btn-primary { display: none; }

  .hero { padding: 96px 0 64px; }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; text-align: center; }
  .hero-sub { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero h1 { font-size: 2.25rem; }
  .hero-visual { order: -1; }
  .phone-mock { width: 240px; }

  .pain-grid { grid-template-columns: 1fr; }
  .proof-grid { grid-template-columns: repeat(2, 1fr); }
  .solution-grid { grid-template-columns: 1fr; gap: 40px; }
  .solution-content h2 { text-align: center; }
  .solution-content .section-tag { text-align: center; }
  .features-grid { grid-template-columns: 1fr; }
  .steps-grid { flex-direction: column; align-items: center; gap: 24px; }
  .step-line { width: 2px; height: 40px; }
  .verticals-grid { grid-template-columns: 1fr 1fr; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
  .price-card.featured { transform: none; }

  .form-row { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 1.85rem; }
  .hero-stats { flex-direction: column; gap: 16px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .verticals-grid { grid-template-columns: 1fr; }
  .proof-grid { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
  .cta-form { padding: 20px; }
}

/* --- Bottom Sheet (Step 2 detail form) --- */
.sheet-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 300ms ease;
  -webkit-backdrop-filter: blur(2px);
  backdrop-filter: blur(2px);
}
.sheet-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.sheet {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--white);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  box-shadow: 0 -8px 30px rgba(0, 0, 0, 0.15);
  transform: translateY(100%);
  transition: transform 400ms cubic-bezier(0.32, 0.72, 0, 1);
  max-height: 90vh;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 0 24px 32px;
}
.sheet.active {
  transform: translateY(0);
}

.sheet-handle {
  display: flex;
  justify-content: center;
  padding: 12px 0 4px;
  cursor: grab;
}
.sheet-handle span {
  width: 40px;
  height: 4px;
  background: var(--gray-300);
  border-radius: 2px;
}

.sheet-header {
  text-align: center;
  margin-bottom: 24px;
}
.sheet-header h3 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 6px;
}
.sheet-sub {
  font-size: 0.95rem;
  color: var(--gray-500);
}

.sheet-form {
  max-width: 600px;
  margin: 0 auto;
}

.sheet-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.sheet-form .form-group {
  margin-bottom: 16px;
}
.sheet-form label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 6px;
}
.sheet-form input,
.sheet-form select,
.sheet-form textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 0.95rem;
  color: var(--gray-800);
  background: var(--white);
  transition: border-color var(--transition);
}
.sheet-form input:focus,
.sheet-form select:focus,
.sheet-form textarea:focus {
  border-color: var(--blue);
  outline: none;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}
.sheet-form textarea {
  resize: vertical;
  min-height: 60px;
}

/* Checkbox chips */
.checkbox-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border: 1px solid var(--gray-200);
  border-radius: 999px;
  font-size: 0.85rem;
  color: var(--gray-600);
  cursor: pointer;
  transition: all var(--transition);
  user-select: none;
}
.chip:hover {
  border-color: var(--blue);
  color: var(--blue);
}
.chip input[type="checkbox"] {
  width: 0;
  height: 0;
  opacity: 0;
  position: absolute;
}
.chip:has(input:checked) {
  background: var(--blue-light);
  border-color: var(--blue);
  color: var(--blue-dark);
  font-weight: 500;
}

.sheet-actions {
  margin-top: 20px;
  text-align: center;
}
.sheet-skip {
  margin-top: 12px;
  color: var(--gray-400);
  font-size: 0.85rem;
}
.sheet-skip:hover {
  color: var(--gray-600);
}

@media (max-width: 640px) {
  .sheet-row { grid-template-columns: 1fr; }
  .sheet { padding: 0 16px 24px; }
}