:root {
  --bg: #f4f1ea;
  --bg-deep: #e8e2d6;
  --ink: #1b1b1b;
  --muted: #5c5c5c;
  --accent: #0f4d4e;
  --accent-soft: #1b6f70;
  --sun: #f2b134;
  --card: #ffffff;
  --stroke: rgba(15, 77, 78, 0.2);
  --shadow: 0 20px 60px rgba(15, 77, 78, 0.15);
  --invoice-accent: #0f4d4e;
  --invoice-soft: rgba(15, 77, 78, 0.08);
  --invoice-bg: #ffffff;
  --invoice-border: rgba(15, 77, 78, 0.15);
  --invoice-dash: rgba(15, 77, 78, 0.2);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at 20% 20%, #fff7e9 0%, var(--bg) 45%, #e7efe9 100%);
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

h1, h2, h3 {
  font-family: "Fraunces", serif;
  margin: 0 0 12px;
}

p {
  margin: 0;
  line-height: 1.6;
}

.glow {
  position: fixed;
  inset: -20% -20% auto auto;
  width: 50vw;
  height: 50vw;
  background: radial-gradient(circle, rgba(242, 177, 52, 0.45), transparent 70%);
  filter: blur(10px);
  z-index: 0;
  pointer-events: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(244, 241, 234, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(15, 77, 78, 0.1);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 7vw;
}

.logo {
  font-weight: 700;
  font-size: 20px;
  display: inline-flex;
  gap: 6px;
}

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

.nav-links {
  display: flex;
  gap: 18px;
  font-size: 15px;
  color: var(--muted);
}

.nav-links a:hover {
  color: var(--accent);
}

.btn {
  border: 1px solid transparent;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(15, 77, 78, 0.18);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-ghost {
  background: transparent;
  color: var(--accent);
  border-color: rgba(15, 77, 78, 0.3);
}

.btn-block {
  width: 100%;
}

.hero {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
  padding: 80px 7vw 40px;
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 560px;
  animation: fadeUp 0.7s ease both;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(15, 77, 78, 0.1);
  color: var(--accent);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
}

.hero h1 {
  font-size: clamp(32px, 5vw, 54px);
  line-height: 1.1;
  margin: 18px 0 16px;
}

.lead {
  font-size: 18px;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin: 28px 0;
}

.trust {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 14px;
}

.trust strong {
  color: var(--ink);
  font-size: 18px;
  display: block;
}

.hero-card {
  display: flex;
  justify-content: center;
  align-items: center;
}

.invoice-mini {
  background: var(--card);
  border-radius: 24px;
  padding: 26px;
  width: min(380px, 100%);
  box-shadow: var(--shadow);
  border: 1px solid rgba(15, 77, 78, 0.12);
  animation: floatIn 0.8s ease both;
}

.mini-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 18px;
}

.status {
  background: rgba(242, 177, 52, 0.25);
  color: #7a4a00;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 12px;
}

.mini-row, .mini-total {
  display: flex;
  justify-content: space-between;
  margin-bottom: 12px;
  font-size: 14px;
}

.mini-total {
  border-top: 1px dashed rgba(15, 77, 78, 0.2);
  padding-top: 14px;
  font-size: 16px;
}

.section {
  padding: 60px 7vw;
  position: relative;
  z-index: 1;
}

.section-head {
  max-width: 720px;
  margin-bottom: 36px;
}

.section-head h2 {
  font-size: clamp(28px, 4vw, 40px);
}

.generator-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
}

.invoice-form {
  background: var(--card);
  border-radius: 24px;
  padding: 28px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(15, 77, 78, 0.12);
}

.invoice-form fieldset {
  border: none;
  margin: 0 0 22px;
  padding: 0;
}

.invoice-form legend {
  font-weight: 700;
  margin-bottom: 12px;
  display: block;
}

.invoice-form label {
  display: grid;
  gap: 8px;
  margin-bottom: 14px;
  font-size: 14px;
  color: var(--muted);
}

.invoice-form input,
.invoice-form select {
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid rgba(15, 77, 78, 0.2);
  font-family: inherit;
  font-size: 14px;
}

.field-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
}

.items {
  display: grid;
  gap: 12px;
}

.item-row {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 10px;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.invoice-preview {
  background: var(--invoice-bg);
  border-radius: 24px;
  padding: 28px;
  border: 1px solid var(--invoice-border);
  box-shadow: var(--shadow);
}

.preview-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
}

.invoice-preview h3 {
  color: var(--invoice-accent);
}

.preview-logo {
  width: 72px;
  height: 72px;
  border-radius: 16px;
  border: 0;
  display: grid;
  place-items: center;
  color: var(--muted);
  font-size: 12px;
}

.preview-logo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 14px;
}

.preview-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 12px;
  margin: 24px 0;
  font-size: 13px;
  color: var(--muted);
}

.preview-meta strong {
  color: var(--ink);
  display: block;
  margin-top: 4px;
}

.preview-client {
  background: var(--invoice-soft);
  padding: 16px;
  border-radius: 16px;
  margin-bottom: 20px;
  font-size: 13px;
  color: var(--muted);
}

.preview-contact {
  margin: 4px 0 0;
  font-size: 12px;
  color: var(--muted);
}

.preview-client strong {
  color: var(--ink);
  font-size: 16px;
}

.preview-items {
  display: grid;
  gap: 12px;
}

.preview-items-head {
  display: none;
}

.preview-notes {
  margin-top: 18px;
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
}

.preview-notes.is-hidden {
  display: none;
}
.preview-notes::before {
  content: "";
  width: 50%;
  height: 1px;
  background: var(--invoice-border);
}

.preview-notes span {
  display: block;
  font-weight: 600;
  color: var(--invoice-accent);
}

.preview-notes p {
  margin: 0;
  line-height: 1.5;
}

.invoice-preview.totals-right .preview-notes {
  text-align: right;
}

.invoice-preview.totals-right .preview-notes::before {
  justify-self: end;
}

.preview-item {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 14px;
  padding-bottom: 8px;
  border-bottom: 1px dashed var(--invoice-dash);
}

.preview-item .preview-col {
  display: block;
}

.preview-item .preview-col.qty,
.preview-item .preview-col.price {
  display: none;
}

.preview-item .preview-col.total {
  min-width: 120px;
  text-align: right;
  font-weight: 600;
}

.preview-totals {
  margin-top: 18px;
  display: grid;
  gap: 10px;
  font-size: 14px;
}

.preview-totals .grand {
  font-size: 18px;
  font-weight: 700;
  color: var(--invoice-accent);
  border-top: 1px solid var(--invoice-border);
  padding-top: 10px;
}

.invoice-preview.template-modern {
  border-radius: 18px;
  box-shadow: 0 24px 50px rgba(15, 77, 78, 0.18);
}

.invoice-preview.template-modern .preview-client {
  background: transparent;
  border: 1px solid var(--invoice-border);
}

.invoice-preview.template-minimal {
  box-shadow: none;
  border: 1px solid var(--invoice-border);
}

.invoice-preview.template-minimal .preview-client {
  background: transparent;
  border: 1px dashed var(--invoice-dash);
}

.invoice-preview.template-minimal .preview-item {
  border-bottom-style: solid;
}

.invoice-preview.template-bordered {
  border: 2px solid var(--invoice-accent);
}

.invoice-preview.template-bordered .preview-totals .grand {
  border-top: 2px solid var(--invoice-accent);
}

.invoice-preview.template-lined .preview-head {
  border-bottom: 1px solid var(--invoice-border);
  padding-bottom: 16px;
}

.invoice-preview.template-lined .preview-client {
  background: transparent;
  border-radius: 0;
  padding: 0;
}

.invoice-preview.template-lined .preview-item {
  border-bottom: 1px solid var(--invoice-border);
}

.invoice-preview.template-compact {
  padding: 20px;
}

.invoice-preview.template-compact .preview-meta {
  margin: 16px 0;
}

.invoice-preview.template-compact .preview-client {
  padding: 12px;
}

.invoice-preview.template-table {
  border-radius: 0;
  box-shadow: none;
  border: 1px solid #e5e7eb;
  padding: 32px 36px;
}

.invoice-preview.template-table .preview-head {
  align-items: flex-start;
}

.invoice-preview.template-table .preview-client {
  background: transparent;
  border-radius: 0;
  padding: 0;
  margin-bottom: 24px;
}

.invoice-preview.template-table .preview-items-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 70px 140px 160px;
  gap: 12px;
  padding: 10px 0;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--muted);
  border-top: 1px solid #e5e7eb;
  border-bottom: 1px solid #e5e7eb;
}

.invoice-preview.template-table .preview-items-head span:nth-child(n + 2) {
  text-align: right;
}

.invoice-preview.template-table .preview-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 70px 140px 160px;
  align-items: start;
  padding: 12px 0;
  border-bottom: 1px solid #e5e7eb;
}

.invoice-preview.template-table .preview-notes::before {
  background: #e5e7eb;
}

.invoice-preview.template-table .preview-item .preview-col.qty,
.invoice-preview.template-table .preview-item .preview-col.price {
  display: block;
  text-align: right;
}

.invoice-preview.template-table .preview-item .preview-col.total {
  text-align: right;
}

.features, .templates, .faq {
  background: rgba(255, 255, 255, 0.6);
  border-top: 1px solid rgba(15, 77, 78, 0.1);
  border-bottom: 1px solid rgba(15, 77, 78, 0.1);
}

.feature-grid, .template-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.feature-grid article, .template-grid article {
  background: var(--card);
  padding: 22px;
  border-radius: 20px;
  box-shadow: 0 12px 24px rgba(15, 77, 78, 0.08);
  border: 1px solid rgba(15, 77, 78, 0.08);
  animation: fadeUp 0.6s ease both;
}

.tag {
  display: inline-flex;
  margin-top: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
  text-transform: uppercase;
  background: rgba(15, 77, 78, 0.1);
  color: var(--accent);
  letter-spacing: 1px;
}

.steps {
  background: linear-gradient(120deg, rgba(15, 77, 78, 0.08), rgba(242, 177, 52, 0.15));
}

.step-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.step-number {
  display: inline-flex;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  margin-bottom: 12px;
}

.cta {
  display: flex;
  justify-content: center;
}

.cta-card {
  background: var(--accent);
  color: #fff;
  padding: 40px 48px;
  border-radius: 30px;
  max-width: 720px;
  text-align: center;
  box-shadow: 0 24px 60px rgba(15, 77, 78, 0.35);
}

.cta-card .btn-primary {
  background: #fff;
  color: var(--accent);
  margin-top: 18px;
}

.builder-body .site-header {
  background: rgba(244, 241, 234, 0.92);
}

.builder-page {
  padding-top: 40px;
}

.builder-hero {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: center;
  justify-content: space-between;
  padding: 20px 7vw 10px;
}

.builder-hero-text {
  max-width: 640px;
}

.builder-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.builder-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 8px;
  align-items: start;
}

.builder-form {
  display: grid;
  gap: 20px;
}

.builder-card {
  background: var(--card);
  border-radius: 20px;
  padding: 22px;
  border: 1px solid rgba(15, 77, 78, 0.12);
  box-shadow: 0 12px 30px rgba(15, 77, 78, 0.08);
}

.card-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.card-head h2 {
  font-size: 20px;
}

.muted {
  color: var(--muted);
  font-size: 13px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
}

.split-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 22px;
}

.stack h3 {
  font-size: 16px;
  margin-bottom: 10px;
}

.builder-form label {
  display: grid;
  gap: 8px;
  font-size: 14px;
  color: var(--muted);
}

.builder-form input,
.builder-form select,
.builder-form textarea {
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid rgba(15, 77, 78, 0.2);
  font-family: inherit;
  font-size: 14px;
  background: #fff;
}

.settings-panel input,
.settings-panel select {
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid rgba(15, 77, 78, 0.2);
  font-family: inherit;
  font-size: 14px;
  background: #fff;
}

.line-header {
  display: grid;
  grid-template-columns: 44px minmax(180px, 2fr) 120px 90px 140px;
  gap: 12px;
  padding: 10px 6px;
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  border-top: 1px solid rgba(15, 77, 78, 0.15);
  border-bottom: 1px solid rgba(15, 77, 78, 0.15);
}

.item-row {
  display: grid;
  grid-template-columns: 44px minmax(180px, 2fr) 120px 90px 140px;
  gap: 12px;
  align-items: start;
  padding: 14px 6px;
  border-bottom: 1px dashed rgba(15, 77, 78, 0.12);
}

.line-desc {
  display: grid;
  gap: 8px;
}

.line-header span:nth-child(2) {
  text-align: left;
}

.line-header span:nth-child(3),
.line-header span:nth-child(4),
.line-header span:nth-child(5) {
  text-align: right;
}

.item-row input[name="itemPrice"] {
  width: 120px;
  max-width: 100%;
  justify-self: end;
  text-align: right;
}

.item-row input[name="itemQty"] {
  width: 90px;
  max-width: 100%;
  justify-self: end;
  text-align: center;
}

.icon-btn {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: 1px solid rgba(15, 77, 78, 0.2);
  background: #fff;
  cursor: pointer;
  font-weight: 700;
  color: var(--ink);
}

.item-amount {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  font-weight: 600;
  color: var(--ink);
}

.notes-field textarea {
  resize: vertical;
  min-height: 120px;
}

.builder-aside {
  display: grid;
  gap: 20px;
  align-content: start;
  justify-self: end;
}

.preview-panel {
  position: static;
}

.preview-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 8px;
  align-items: start;
}

.a4-wrap {
  display: flex;
  justify-content: flex-end;
}

.a4-sheet {
  width: min(100%, 794px);
  aspect-ratio: 210 / 297;
  background: #ffffff;
  border-radius: 12px;
  border: 1px solid rgba(15, 77, 78, 0.15);
  box-shadow: 0 30px 60px rgba(15, 77, 78, 0.2);
  padding: 28px 32px;
  overflow: visible;
}

@media (min-width: 1200px) {
  .a4-sheet {
    min-height: 1123px;
  }
}

.preview-body .invoice-preview {
  background: var(--invoice-bg);
}

.builder-panel {
  background: rgba(255, 255, 255, 0.8);
  border-radius: 20px;
  padding: 20px;
  border: 1px solid rgba(15, 77, 78, 0.12);
  box-shadow: 0 12px 24px rgba(15, 77, 78, 0.08);
}

.settings-panel {
  width: min(300px, 100%);
  margin-left: auto;
}

.settings-panel h3 {
  margin-bottom: 16px;
}

.settings-group {
  display: grid;
  gap: 10px;
  margin-bottom: 16px;
  font-size: 13px;
  color: var(--muted);
}

.settings-group label {
  display: grid;
  gap: 6px;
}

.color-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.color-swatch {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  border: 2px solid transparent;
  cursor: pointer;
}

.color-swatch.is-active {
  border-color: #fff;
  box-shadow: 0 0 0 2px rgba(15, 77, 78, 0.4);
}

.template-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.align-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.template-option {
  border: 1px solid rgba(15, 77, 78, 0.2);
  background: #fff;
  border-radius: 10px;
  padding: 8px 10px;
  font-size: 12px;
  cursor: pointer;
  text-align: center;
  color: var(--muted);
}

.align-option {
  border: 1px solid rgba(15, 77, 78, 0.2);
  background: #fff;
  border-radius: 10px;
  padding: 8px 10px;
  font-size: 12px;
  cursor: pointer;
  text-align: center;
  color: var(--muted);
}

.template-option.is-active {
  border-color: var(--invoice-accent);
  background: var(--invoice-soft);
  color: var(--invoice-accent);
  font-weight: 600;
}

.align-option.is-active {
  border-color: var(--invoice-accent);
  background: var(--invoice-soft);
  color: var(--invoice-accent);
  font-weight: 600;
}

.invoice-preview.totals-right .preview-totals {
  justify-items: end;
  text-align: right;
}

.faq-list {
  display: grid;
  gap: 16px;
}

.faq-list details {
  background: var(--card);
  padding: 18px 20px;
  border-radius: 16px;
  border: 1px solid rgba(15, 77, 78, 0.1);
}

.faq-list summary {
  cursor: pointer;
  font-weight: 600;
}

.site-footer {
  display: grid;
  gap: 20px;
  padding: 40px 7vw 60px;
  background: #0f4d4e;
  color: #f4f1ea;
}

.footer-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-note {
  font-size: 12px;
  opacity: 0.8;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes floatIn {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@page {
  size: A4;
  margin: 0;
}

@media print {
  html,
  body {
    height: 100%;
  }

  body {
    background: #ffffff;
    margin: 0;
  }

  .site-header,
  .builder-hero,
  .builder-aside,
  .site-footer,
  .glow {
    display: none !important;
  }

  .builder-page,
  .section {
    padding: 0 !important;
  }

  .preview-grid,
  .builder-grid {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .a4-wrap {
    justify-content: center;
    padding: 0;
  }

  .a4-sheet {
    width: 210mm;
    height: 297mm;
    border: none;
    border-radius: 0;
    box-shadow: none;
    padding: 12mm;
    margin: 0;
    page-break-inside: avoid;
  }
}

@media (max-width: 900px) {
  .nav {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-links {
    flex-wrap: wrap;
  }
}

@media (max-width: 720px) {
  .hero {
    padding-top: 60px;
  }

  .item-row {
    grid-template-columns: 1fr;
  }

  .nav {
    gap: 14px;
  }

  .cta-card {
    padding: 30px 24px;
  }

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

  .preview-panel {
    position: static;
  }

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

  .builder-aside {
    width: 100%;
    justify-self: stretch;
  }

  .settings-panel {
    width: 100%;
    margin-left: 0;
  }

  .color-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .template-grid,
  .align-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .template-option,
  .align-option {
    padding: 10px 12px;
  }

  .line-header,
  .item-row {
    grid-template-columns: 36px 1fr;
  }

  .line-header span:nth-child(n + 3) {
    display: none;
  }

  .item-row input,
  .item-row .line-desc,
  .item-amount {
    grid-column: 2;
  }
}