:root {
  --bg: #f6efe6;
  --bg-strong: #fdf8f1;
  --ink: #1e2430;
  --muted: #667085;
  --line: rgba(30, 36, 48, 0.1);
  --primary: #d94d3f;
  --primary-strong: #b9382b;
  --accent: #0f766e;
  --shadow: 0 24px 70px rgba(70, 46, 32, 0.12);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(217, 77, 63, 0.16), transparent 28%),
    radial-gradient(circle at top right, rgba(15, 118, 110, 0.13), transparent 22%),
    linear-gradient(180deg, #f4ecdf 0%, #f8f2ea 38%, #f3ede6 100%);
  font-family: "Noto Sans SC", sans-serif;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.28) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.28) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.45), transparent 82%);
}

.page-shell {
  width: min(1240px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 64px;
}

.topbar,
.hero,
.workspace,
.feature-zone,
.faq-zone {
  position: relative;
  z-index: 1;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: inherit;
  text-decoration: none;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 16px;
  background: linear-gradient(135deg, #e86b5f 0%, #d13b2b 100%);
  color: #fff;
  font: 700 1.25rem/1 "Space Grotesk", sans-serif;
  box-shadow: 0 18px 36px rgba(209, 59, 43, 0.28);
}

.brand-copy {
  display: grid;
  gap: 4px;
}

.brand-copy strong,
.eyebrow,
.section-kicker,
.panel-kicker,
.topbar-note {
  font-family: "Space Grotesk", sans-serif;
}

.brand-copy strong {
  font-size: 1.05rem;
}

.brand-copy span,
.topbar-note,
.hero-text,
.inline-note,
.field-hint,
.results-meta,
.faq-item p,
.feature-card p,
.info-card p {
  color: var(--muted);
}

.topbar-note {
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(280px, 0.9fr);
  gap: 24px;
  align-items: stretch;
  margin-bottom: 28px;
}

.hero-copy,
.panel,
.hero-panel-card,
.feature-card,
.faq-item {
  background: rgba(253, 248, 241, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.58);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.hero-copy {
  padding: 38px;
  border-radius: var(--radius-xl);
}

.hero-panel-card,
.panel,
.feature-card,
.faq-item {
  border-radius: var(--radius-lg);
}

.eyebrow,
.section-kicker,
.panel-kicker {
  margin: 0 0 10px;
  color: var(--primary);
  font-size: 0.84rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero h1,
.section-heading h2,
.feature-header h2 {
  margin: 0;
  font-family: "Space Grotesk", "Noto Sans SC", sans-serif;
  line-height: 1.04;
}

.hero h1 {
  max-width: 11ch;
  font-size: clamp(2.5rem, 5vw, 4.9rem);
}

.hero-text {
  max-width: 56ch;
  margin: 18px 0 0;
  font-size: 1.05rem;
  line-height: 1.8;
}

.hero-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.hero-pills span,
.security-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(30, 36, 48, 0.08);
  font-size: 0.92rem;
}

.hero-panel-card {
  height: 100%;
  padding: 28px;
}

.rule-stack {
  display: grid;
  gap: 18px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.rule-stack li {
  display: grid;
  gap: 6px;
}

.rule-stack strong,
.field-label,
.capacity-card strong,
.info-card h3,
.feature-card h3,
.faq-item summary,
.result-email {
  font-weight: 700;
}

.rule-stack span,
.toggle-copy small,
.capacity-card small,
.mini-toggle,
.result-meta-chip {
  color: var(--muted);
}

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(300px, 0.78fr);
  gap: 24px;
  margin-bottom: 28px;
}

.panel {
  padding: 28px;
}

.section-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

.section-heading h2,
.feature-header h2 {
  font-size: clamp(1.6rem, 2vw, 2.25rem);
}

.compact-heading {
  margin-bottom: 18px;
}

.generator-form,
.tag-panel,
.field-group,
.capacity-card,
.info-card-list,
.feature-grid,
.faq-list {
  display: grid;
}

.generator-form {
  gap: 22px;
}

.field-group {
  gap: 10px;
}

.field-group.compact input {
  min-height: 52px;
}

.email-input-shell {
  display: flex;
  align-items: center;
  gap: 0;
  min-height: 62px;
  padding-left: 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.76);
  overflow: hidden;
}

.email-input-shell input,
.field-group input {
  width: 100%;
  min-height: 54px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.76);
  color: var(--ink);
  font: inherit;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.email-input-shell input {
  border: 0;
  padding-left: 0;
  background: transparent;
}

.email-input-shell input:focus,
.field-group input:focus {
  outline: none;
  border-color: rgba(217, 77, 63, 0.52);
  box-shadow: 0 0 0 4px rgba(217, 77, 63, 0.12);
}

.input-suffix {
  flex: 0 0 auto;
  padding: 0 18px;
  font-weight: 700;
  color: rgba(30, 36, 48, 0.7);
  background: rgba(217, 77, 63, 0.09);
  align-self: stretch;
  display: inline-flex;
  align-items: center;
}

.toggle-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.toggle-card {
  display: flex;
  gap: 14px;
  padding: 18px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.68);
  cursor: pointer;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.toggle-card:hover,
.feature-card:hover,
.info-card:hover {
  transform: translateY(-2px);
}

.toggle-card input,
.mini-toggle input {
  accent-color: var(--primary);
  margin-top: 4px;
}

.toggle-card:has(input:checked) {
  border-color: rgba(217, 77, 63, 0.5);
  box-shadow: 0 16px 36px rgba(217, 77, 63, 0.12);
}

.toggle-copy {
  display: grid;
  gap: 6px;
}

.tag-panel {
  gap: 18px;
  padding: 18px;
  border: 1px dashed rgba(30, 36, 48, 0.18);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.5);
}

.tag-panel.hidden {
  display: none;
}

.tag-panel-head,
.generate-grid,
.results-head,
.result-row,
.result-actions,
.tag-config-grid {
  display: flex;
  gap: 12px;
}

.tag-panel-head,
.results-head {
  align-items: center;
  justify-content: space-between;
}

.tag-options-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.mini-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid var(--line);
}

.tag-config-grid {
  flex-wrap: wrap;
}

.tag-config-grid .field-group {
  flex: 1 1 180px;
}

.tag-config-grid .span-2 {
  flex-basis: 260px;
}

.generate-grid {
  align-items: stretch;
  flex-wrap: wrap;
}

.generate-grid > * {
  flex: 1 1 220px;
}

.capacity-card {
  gap: 6px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(217, 77, 63, 0.08), rgba(15, 118, 110, 0.07));
}

.capacity-card strong {
  font-size: 1.35rem;
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.primary-button,
.ghost-button,
.copy-button {
  appearance: none;
  border: 0;
  border-radius: 16px;
  font: inherit;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.primary-button {
  min-height: 56px;
  padding: 0 22px;
  color: #fff;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-strong) 100%);
  box-shadow: 0 18px 36px rgba(217, 77, 63, 0.25);
  font-weight: 700;
}

.ghost-button,
.copy-button {
  min-height: 46px;
  padding: 0 16px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid var(--line);
}

.primary-button:hover,
.ghost-button:hover,
.copy-button:hover {
  transform: translateY(-1px);
}

.info-card-list,
.feature-grid,
.faq-list {
  gap: 14px;
}

.info-card,
.feature-card {
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.55);
}

.warning-card {
  background: linear-gradient(135deg, rgba(217, 77, 63, 0.12), rgba(255, 255, 255, 0.72));
}

.results-panel {
  margin-bottom: 28px;
}

.results-panel.hidden {
  display: none;
}

.results-head {
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.result-actions {
  flex-wrap: wrap;
}

.result-list {
  display: grid;
  gap: 12px;
}

.result-row {
  align-items: center;
  justify-content: space-between;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.72);
}

.result-meta-block {
  display: grid;
  gap: 6px;
}

.result-email {
  font-family: "Space Grotesk", "Noto Sans SC", sans-serif;
  font-size: 1rem;
  overflow-wrap: anywhere;
}

.result-meta-chip {
  font-size: 0.85rem;
}

.feature-zone,
.faq-zone {
  margin-top: 30px;
}

.feature-header {
  margin-bottom: 18px;
}

.feature-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.faq-item {
  padding: 18px 20px;
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item p {
  margin: 12px 0 0;
  line-height: 1.75;
}

.toast-stack {
  position: fixed;
  right: 18px;
  bottom: 18px;
  display: grid;
  gap: 10px;
  z-index: 20;
}

.toast {
  min-width: 240px;
  max-width: min(420px, calc(100vw - 36px));
  padding: 14px 16px;
  border-radius: 16px;
  color: #fff;
  background: rgba(30, 36, 48, 0.92);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.22);
  animation: toast-in 0.22s ease;
}

.toast.warn {
  background: rgba(185, 56, 43, 0.96);
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1120px) {
  .hero,
  .workspace,
  .feature-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .page-shell {
    width: min(100% - 18px, 100%);
    padding-top: 18px;
  }

  .topbar,
  .section-heading,
  .tag-panel-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-copy,
  .panel,
  .hero-panel-card {
    padding: 22px;
  }

  .hero h1 {
    max-width: none;
  }

  .toggle-grid {
    grid-template-columns: 1fr;
  }

  .results-head,
  .result-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .copy-button,
  .ghost-button,
  .primary-button {
    width: 100%;
  }

  .action-row,
  .result-actions {
    width: 100%;
  }
}