:root {
  color-scheme: light;
  --bg: #07111f;
  --bg-soft: #101c2f;
  --surface: #ffffff;
  --text: #f5f7fb;
  --muted: #9fb0c6;
  --accent: #47b2ff;
  --accent-strong: #1d7ce4;
  --border: rgba(255, 255, 255, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text);
  background: linear-gradient(135deg, var(--bg), #13253d);
  line-height: 1.6;
}

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

.container {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

/* Header and navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(7, 17, 31, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1rem;
}

.brand img {
  width: 48px;
  height: 48px;
  border-radius: 12px;
}

.nav-links {
  display: flex;
  gap: 1.25rem;
}

.nav-links a {
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
}

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

.nav-account {
  padding: 0.45rem 0.85rem;
  color: #04121f !important;
  background: var(--accent);
  border-radius: 999px;
}

.nav-account:hover {
  color: #04121f !important;
  background: #7bc9ff;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 0.25rem;
  background: transparent;
  border: 0;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--surface);
}

/* Hero section */
.hero {
  padding: 5rem 0 4rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2rem;
  align-items: center;
}

.eyebrow {
  margin: 0 0 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.25em;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
}

.hero h1,
.section-heading h2,
.about-section h2,
.site-footer h2 {
  margin: 0 0 1rem;
  line-height: 1.2;
}

.hero h1 {
  font-size: clamp(2.3rem, 4vw, 3.5rem);
}

.hero-text {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 620px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.5rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.2rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  transition: transform 0.2s ease, background 0.2s ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button.primary {
  background: var(--accent);
  color: #04121f;
}

.button.secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.hero-card,
.about-card,
.contact-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  padding: 1.5rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.hero-card ul,
.about-card ul {
  padding-left: 1.1rem;
  color: var(--muted);
}

/* Section layout */
.section {
  padding: 3rem 0;
}

.alt-section {
  background: rgba(255, 255, 255, 0.03);
}

.section-heading {
  margin-bottom: 1.5rem;
}

.button-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.action-card {
  display: block;
  width: 100%;
  text-align: left;
  font: inherit;
  padding: 1.2rem;
  border-radius: 1rem;
  background: linear-gradient(135deg, rgba(71, 178, 255, 0.2), rgba(29, 124, 228, 0.18));
  border: 1px solid rgba(71, 178, 255, 0.25);
  color: var(--text);
  text-decoration: none;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

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

.action-card h3 {
  margin: 0 0 0.5rem;
}

.action-card p {
  margin: 0;
  color: var(--muted);
}

.booking-dialog {
  width: min(100% - 2rem, 34rem);
  padding: 0;
  color: var(--text);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}

.contact-dialog {
  width: min(100% - 2rem, 34rem);
  padding: 0;
  color: var(--text);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}

.quote-dialog {
  width: min(100% - 2rem, 52rem);
  max-height: 92vh;
  padding: 0;
  color: var(--text);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}

.quote-dialog::backdrop {
  background: rgba(2, 8, 16, 0.78);
}

.usage-dialog,
.invoice-dialog {
  width: min(100% - 2rem, 42rem);
  padding: 0;
  color: var(--text);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}

.usage-dialog::backdrop,
.invoice-dialog::backdrop {
  background: rgba(2, 8, 16, 0.78);
}

.usage-form,
.invoice-panel {
  position: relative;
  display: grid;
  gap: 1rem;
  padding: 2rem;
}

.usage-form h2,
.invoice-panel h2 {
  margin: 0;
}

.usage-form label {
  display: grid;
  gap: 0.4rem;
  font-weight: 600;
}

.usage-form input:not([type='checkbox']) {
  width: 100%;
  padding: 0.75rem;
  color: var(--text);
  font: inherit;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
}

.usage-form input:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.usage-fields {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.checkbox-label {
  display: flex !important;
  grid-template-columns: none;
  align-items: center;
  gap: 0.65rem !important;
}

.usage-summary {
  display: grid;
  gap: 0.35rem;
  padding: 1rem;
  background: rgba(71, 178, 255, 0.12);
  border: 1px solid rgba(71, 178, 255, 0.3);
  border-radius: 0.75rem;
}

.usage-summary strong {
  color: var(--accent);
  font-size: 1.15rem;
}

.usage-summary small {
  color: var(--muted);
}

.invoice-header,
.invoice-meta,
.invoice-lines > div,
.invoice-total {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.invoice-header {
  align-items: start;
  border-bottom: 1px solid var(--border);
  padding-bottom: 1rem;
}

.invoice-header strong {
  color: var(--accent);
  font-size: 0.9rem;
}

.invoice-meta {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.85rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.invoice-meta b {
  display: block;
  margin-top: 0.25rem;
  color: var(--text);
}

.invoice-meta span {
  padding: 0.65rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
}

.invoice-lines {
  display: grid;
  gap: 0.65rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}

.invoice-lines > div span:last-child {
  color: var(--muted);
}

.invoice-lines > div {
  padding: 0.25rem 0;
}

.admin-invoice-editor {
  border-top: 1px solid var(--border);
  padding-top: 1rem;
}

.admin-invoice-editor summary {
  color: var(--muted);
  cursor: pointer;
}

.admin-invoice-editor form {
  display: grid;
  gap: 0.75rem;
  margin-top: 1rem;
}

.admin-invoice-editor label {
  display: grid;
  gap: 0.35rem;
  font-weight: 600;
}

.admin-invoice-editor input {
  padding: 0.7rem;
  color: var(--text);
  font: inherit;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
}

.invoice-total {
  align-items: center;
  font-size: 1.1rem;
}

.invoice-total strong {
  color: var(--accent);
  font-size: 1.5rem;
}

.invoice-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.invoice-actions .button:disabled {
  cursor: wait;
  opacity: 0.65;
}

.quote-form {
  position: relative;
  display: grid;
  gap: 1rem;
  max-height: 92vh;
  padding: 2rem;
  overflow-y: auto;
}

.quote-form h2,
.quote-form .dialog-intro {
  margin: 0;
}

.quote-form fieldset {
  display: grid;
  gap: 0.85rem;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 0.75rem;
}

.quote-form legend {
  padding: 0 0.4rem;
  color: var(--accent);
  font-weight: 700;
}

.quote-form label {
  display: grid;
  gap: 0.35rem;
  font-weight: 600;
}

.quote-form input,
.quote-form textarea,
.quote-form select {
  width: 100%;
  padding: 0.7rem;
  color: var(--text);
  font: inherit;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
}

.quote-form textarea {
  resize: vertical;
}

.quote-form input:focus,
.quote-form textarea:focus,
.quote-form select:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.contact-dialog::backdrop {
  background: rgba(2, 8, 16, 0.78);
}

.contact-panel,
.contact-form {
  display: grid;
  gap: 1rem;
  padding: 2rem;
}

.contact-panel {
  position: relative;
}

.contact-panel h2 {
  margin: 0;
}

.contact-options {
  display: grid;
  gap: 0.75rem;
}

.contact-option {
  display: grid;
  gap: 0.25rem;
  padding: 1rem;
  color: var(--text);
  text-align: left;
  text-decoration: none;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  font: inherit;
  cursor: pointer;
}

.contact-option:hover {
  border-color: var(--accent);
}

.contact-option span {
  color: var(--muted);
  font-size: 0.9rem;
}

.contact-form[hidden] {
  display: none;
}

.contact-form label {
  display: grid;
  gap: 0.4rem;
  font-weight: 600;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.75rem;
  color: var(--text);
  font: inherit;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
}

.contact-form textarea {
  resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.booking-dialog::backdrop {
  background: rgba(2, 8, 16, 0.78);
}

.booking-form {
  position: relative;
  display: grid;
  gap: 1rem;
  padding: 2rem;
}

.booking-form h2,
.dialog-intro {
  margin: 0;
}

.dialog-intro,
.booking-form label span,
.form-status {
  color: var(--muted);
}

.booking-form label {
  display: grid;
  gap: 0.4rem;
  font-weight: 600;
}

.booking-form input,
.booking-form textarea {
  width: 100%;
  padding: 0.75rem;
  color: var(--text);
  font: inherit;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
}

.booking-form textarea {
  resize: vertical;
}

.booking-form input:focus,
.booking-form textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.booking-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.dialog-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  color: var(--muted);
  font-size: 1.5rem;
  line-height: 1;
  background: transparent;
  border: 0;
  cursor: pointer;
}

.form-status {
  min-height: 1.5rem;
  margin: 0;
  font-size: 0.9rem;
}

.form-status[data-state='success'] {
  color: #8cf0c4;
}

.form-status[data-state='error'] {
  color: #ff9e9e;
}

/* Account page */
.auth-page {
  min-height: 100vh;
}

.auth-main {
  display: grid;
  min-height: calc(100vh - 86px);
  place-items: center;
  padding: 4rem 0;
  background: radial-gradient(circle at 85% 20%, rgba(71, 178, 255, 0.18), transparent 32rem);
}

.auth-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(20rem, 28rem);
  gap: clamp(2rem, 7vw, 7rem);
  align-items: center;
  width: min(100%, 980px);
  padding: 0 1rem;
}

.auth-intro h1 {
  max-width: 560px;
  margin: 0 0 1rem;
  font-size: clamp(2.4rem, 5vw, 4.5rem);
  line-height: 1.05;
}

.auth-intro > p:last-child {
  max-width: 480px;
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.auth-card {
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
}

.auth-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.25rem;
  padding: 0.25rem;
  margin-bottom: 1.5rem;
  background: rgba(0, 0, 0, 0.18);
  border-radius: 0.75rem;
}

.auth-tab {
  padding: 0.65rem 0.5rem;
  color: var(--muted);
  font: inherit;
  font-weight: 700;
  background: transparent;
  border: 0;
  border-radius: 0.5rem;
  cursor: pointer;
}

.auth-tab.is-active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.12);
}

.auth-form {
  display: grid;
  gap: 1rem;
}

.auth-form h2 {
  margin: 0 0 0.3rem;
}

.auth-description {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.auth-form label {
  display: grid;
  gap: 0.4rem;
  font-weight: 600;
}

.auth-form input {
  width: 100%;
  padding: 0.8rem;
  color: var(--text);
  font: inherit;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
}

.auth-form input:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.auth-submit:disabled {
  cursor: wait;
  opacity: 0.65;
}

/* Pricing page */
.pricing-main {
  min-height: calc(100vh - 86px);
  padding: 5rem 0;
  background: radial-gradient(circle at 10% 10%, rgba(86, 238, 186, 0.13), transparent 28rem);
}

.pricing-main h1 {
  max-width: 700px;
  margin: 0 0 1rem;
  font-size: clamp(2.5rem, 6vw, 5rem);
  line-height: 1.05;
}

.pricing-intro {
  max-width: 620px;
  margin: 0 0 2rem;
  color: var(--muted);
}

.package-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1rem;
}

.package-card {
  display: block;
  height: 100%;
  padding: 1.25rem;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid var(--border);
  border-radius: 0.9rem;
  cursor: pointer;
}

.package-card:has(input:checked) {
  border-color: var(--accent);
  background: rgba(71, 178, 255, 0.14);
}

.package-card input {
  position: absolute;
  opacity: 0;
}

.package-card span {
  display: grid;
  gap: 0.7rem;
}

.package-card strong {
  font-size: 1.25rem;
}

.package-card b {
  color: var(--accent);
}

.package-card small {
  color: var(--muted);
}

.package-actions {
  display: flex;
  gap: 1rem;
  align-items: end;
  max-width: 600px;
  margin-top: 2rem;
}

.package-actions label {
  display: grid;
  flex: 1;
  gap: 0.4rem;
  font-weight: 600;
}

.package-actions input {
  padding: 0.8rem;
  color: var(--text);
  font: inherit;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
}

.pricing-note {
  max-width: 700px;
  margin-top: 2rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.invoice-search {
  padding: 3rem 0 4rem;
  background: rgba(255, 255, 255, 0.03);
}

.invoice-search h2 {
  margin: 0 0 1rem;
}

.invoice-search-form {
  display: flex;
  gap: 1rem;
  align-items: end;
  max-width: 680px;
}

.invoice-search-form label {
  display: grid;
  flex: 1;
  gap: 0.4rem;
  font-weight: 600;
}

.invoice-search-form input {
  padding: 0.8rem;
  color: var(--text);
  font: inherit;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
}

.invoice-search-results {
  display: grid;
  gap: 0.75rem;
  max-width: 760px;
  margin-top: 1.5rem;
}

.invoice-result {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 1rem;
  align-items: center;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
}

.invoice-result div {
  display: grid;
  gap: 0.25rem;
}

.invoice-result span,
.invoice-paid {
  color: var(--muted);
  font-size: 0.9rem;
}

.invoice-paid {
  color: #8cf0c4;
  font-weight: 700;
}

.pricing-card {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(71, 178, 255, 0.12));
}

.low-commit {
  background: linear-gradient(135deg, rgba(86, 238, 186, 0.16), rgba(23, 139, 119, 0.16));
}

/* About and footer */
.about-grid,
.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
}

.site-footer {
  padding: 3rem 0 4rem;
}

.contact-card a {
  color: var(--accent);
  text-decoration: none;
}

/* Responsive design */
@media (max-width: 860px) {
  .hero-grid,
  .about-grid,
  .footer-grid,
  .button-grid,
  .package-grid {
    grid-template-columns: 1fr;
  }

  .package-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .invoice-search-form,
  .invoice-result {
    align-items: stretch;
    grid-template-columns: 1fr;
    flex-direction: column;
  }

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

@media (max-width: 640px) {
  .menu-toggle {
    display: flex;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(7, 17, 31, 0.98);
    padding: 1rem;
    border-bottom: 1px solid var(--border);
  }

  .nav-links.open {
    display: flex;
  }

  .hero {
    padding-top: 3rem;
  }

  .auth-main {
    padding: 3rem 0;
  }

  .auth-shell {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .auth-intro h1 {
    font-size: 2.6rem;
  }
}