/* ==========================================================================
   Novobill website — shared styles
   ========================================================================== */

:root {
  --color-primary: #0a2540;
  --color-primary-dark: #061b30;
  --color-accent: #00b896;
  --color-accent-dark: #009378;
  --color-text: #1a1a1a;
  --color-muted: #5a6072;
  --color-light: #8a93a6;
  --color-bg: #ffffff;
  --color-surface: #f7f9fc;
  --color-surface-2: #eef2f8;
  --color-border: #e5e9f0;
  --color-warning-bg: #fff7e6;
  --color-success-bg: #e6f9f4;

  --font-sans: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SF Mono", Menlo, Monaco, Consolas, "Courier New", monospace;

  --shadow-sm: 0 1px 2px rgba(10, 37, 64, 0.04), 0 1px 3px rgba(10, 37, 64, 0.06);
  --shadow-md: 0 4px 6px rgba(10, 37, 64, 0.05), 0 10px 20px rgba(10, 37, 64, 0.08);
  --shadow-lg: 0 20px 40px rgba(10, 37, 64, 0.12);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  --container: 1200px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a { color: var(--color-primary); text-decoration: none; transition: color 0.15s ease; }
a:hover { color: var(--color-accent); }

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2rem, 4.5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.4rem); margin-bottom: 0.75rem; }
h3 { font-size: 1.4rem; margin-bottom: 0.5rem; }
h4 { font-size: 1.15rem; margin-bottom: 0.5rem; }

p { margin-bottom: 1rem; }
ul, ol { margin: 0 0 1rem 1.5rem; }
li { margin-bottom: 0.4rem; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ==========================================================================
   Header / Navigation
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

.brand-mark {
  width: 32px;
  height: 32px;
  background: var(--color-primary);
  color: white;
  display: grid;
  place-items: center;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 800;
}

.nav-links {
  display: flex;
  list-style: none;
  margin: 0;
  gap: 0.25rem;
  align-items: center;
}

.nav-links li { margin: 0; }

.nav-links a {
  display: inline-block;
  padding: 0.5rem 0.9rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text);
  border-radius: var(--radius-sm);
}

.nav-links a:hover {
  background: var(--color-surface);
  color: var(--color-primary);
}

.nav-actions {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.nav-signin {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text);
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-sm);
}

.nav-signin:hover { background: var(--color-surface); }

@media (max-width: 900px) {
  .nav-links { display: none; }
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  text-decoration: none;
  white-space: nowrap;
  font-family: var(--font-sans);
}

.btn-primary {
  background: var(--color-accent);
  color: white;
  border-color: var(--color-accent);
}

.btn-primary:hover {
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  color: white;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: white;
  color: var(--color-primary);
  border-color: var(--color-border);
}

.btn-secondary:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-surface);
}

.btn-dark {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

.btn-dark:hover {
  background: var(--color-primary-dark);
  color: white;
  transform: translateY(-1px);
}

.btn-large { padding: 1rem 1.75rem; font-size: 1.05rem; }
.btn-small { padding: 0.55rem 1rem; font-size: 0.9rem; }

/* ==========================================================================
   Sections / Layout
   ========================================================================== */

section { padding: 5rem 0; }
.section-tight { padding: 3.5rem 0; }
.section-loose { padding: 7rem 0; }

.section-surface { background: var(--color-surface); }
.section-dark {
  background: var(--color-primary);
  color: white;
}
.section-dark h1, .section-dark h2, .section-dark h3 { color: white; }
.section-dark p { color: rgba(255, 255, 255, 0.85); }

.eyebrow {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3rem;
}

.section-header p {
  font-size: 1.15rem;
  color: var(--color-muted);
}

.lead {
  font-size: 1.2rem;
  color: var(--color-muted);
  margin-bottom: 1.5rem;
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  padding: 6rem 0 5rem;
  background: linear-gradient(180deg, var(--color-surface) 0%, white 100%);
  position: relative;
  overflow: hidden;
}

.hero-content {
  max-width: 820px;
  margin: 0 auto;
  text-align: center;
}

.hero h1 {
  margin-bottom: 1.25rem;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--color-muted);
  margin-bottom: 2rem;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: center;
  font-size: 0.85rem;
  color: var(--color-muted);
}

.hero-trust span {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.hero-trust .check {
  color: var(--color-accent);
  font-weight: 700;
}

.page-hero {
  padding: 4.5rem 0 3.5rem;
  background: var(--color-surface);
  text-align: center;
}

.page-hero .lead {
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

/* ==========================================================================
   Grids and cards
   ========================================================================== */

.grid {
  display: grid;
  gap: 1.5rem;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 900px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

.card {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  transition: all 0.2s ease;
}

.card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card-icon {
  width: 44px;
  height: 44px;
  background: var(--color-success-bg);
  color: var(--color-accent-dark);
  display: grid;
  place-items: center;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  font-size: 1.3rem;
  font-weight: 700;
}

.card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.card p {
  color: var(--color-muted);
  font-size: 0.95rem;
  margin: 0;
}

.card-link {
  display: inline-block;
  margin-top: 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-accent);
}

.card-link::after {
  content: "→";
  display: inline-block;
  margin-left: 0.3rem;
  transition: transform 0.15s ease;
}

.card-link:hover::after { transform: translateX(3px); }

/* ==========================================================================
   Feature lists
   ========================================================================== */

.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  padding: 3rem 0;
  border-bottom: 1px solid var(--color-border);
}

.feature-row:last-child { border-bottom: none; }

.feature-row.reverse > div:first-child { order: 2; }

@media (max-width: 800px) {
  .feature-row { grid-template-columns: 1fr; gap: 2rem; }
  .feature-row.reverse > div:first-child { order: 0; }
}

.feature-visual {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2.5rem;
  min-height: 280px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  color: var(--color-muted);
  font-size: 0.85rem;
  text-align: center;
  position: relative;
}

.feature-visual code {
  display: block;
  text-align: left;
  white-space: pre;
  font-size: 0.8rem;
  line-height: 1.5;
}

.feature-list {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
}

.feature-list li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.6rem;
  color: var(--color-muted);
}

.feature-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 700;
}

/* ==========================================================================
   Trust strip
   ========================================================================== */

.trust-strip {
  background: var(--color-primary);
  color: white;
  padding: 1.5rem 0;
  font-size: 0.9rem;
}

.trust-strip-content {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1rem 2.5rem;
  text-align: center;
}

.trust-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255, 255, 255, 0.9);
}

.trust-badge strong {
  color: white;
  font-weight: 600;
}

/* ==========================================================================
   Stats
   ========================================================================== */

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  padding: 3rem 0;
}

@media (max-width: 700px) { .stats { grid-template-columns: repeat(2, 1fr); } }

.stat-value {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.03em;
  margin-bottom: 0.25rem;
}

.stat-label {
  color: var(--color-muted);
  font-size: 0.9rem;
}

/* ==========================================================================
   CTA banner
   ========================================================================== */

.cta-banner {
  background: var(--color-primary);
  color: white;
  padding: 4.5rem 0;
  text-align: center;
}

.cta-banner h2 { color: white; margin-bottom: 1rem; }
.cta-banner p { color: rgba(255, 255, 255, 0.85); font-size: 1.1rem; max-width: 560px; margin: 0 auto 2rem; }

.cta-banner .btn-secondary {
  background: transparent;
  color: white;
  border-color: rgba(255, 255, 255, 0.3);
}

.cta-banner .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: white;
  color: white;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer-trust {
  background: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.85);
  padding: 1.25rem 0;
  font-size: 0.88rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-trust a { color: white; text-decoration: underline; text-underline-offset: 3px; }
.footer-trust a:hover { color: var(--color-accent); }

.footer-trust-content {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.5rem 1.5rem;
  text-align: center;
}

.site-footer {
  background: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(4, 1fr);
  gap: 3rem;
  margin-bottom: 3rem;
}

@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 500px) {
  .footer-grid { grid-template-columns: 1fr; }
}

.footer-brand h4 {
  color: white;
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
}

.footer-col h5 {
  color: white;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}

.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li { margin-bottom: 0.5rem; }

.footer-col a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
}

.footer-col a:hover { color: var(--color-accent); }

.footer-legal {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
}

.footer-legal-links { display: flex; flex-wrap: wrap; gap: 1.25rem; }
.footer-legal-links a { color: rgba(255, 255, 255, 0.5); }
.footer-legal-links a:hover { color: white; }

/* ==========================================================================
   Forms
   ========================================================================== */

.form {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}

@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }

.form-group { margin-bottom: 1rem; }

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0.4rem;
}

.form-group .hint {
  display: block;
  font-size: 0.8rem;
  color: var(--color-muted);
  margin-top: 0.25rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 0.9rem;
  font-size: 1rem;
  font-family: var(--font-sans);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: white;
  color: var(--color-text);
  transition: border-color 0.15s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(0, 184, 150, 0.15);
}

.form-group textarea { resize: vertical; min-height: 120px; }

.form-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

/* ==========================================================================
   Misc
   ========================================================================== */

.callout {
  background: var(--color-success-bg);
  border-left: 4px solid var(--color-accent);
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-sm);
  margin: 1.5rem 0;
}

.callout strong { color: var(--color-primary); }

.callout-warning {
  background: var(--color-warning-bg);
  border-left-color: #f59e0b;
}

.tag {
  display: inline-block;
  padding: 0.25rem 0.6rem;
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--color-surface-2);
  color: var(--color-primary);
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.tag-accent { background: var(--color-success-bg); color: var(--color-accent-dark); }

.divider {
  height: 1px;
  background: var(--color-border);
  margin: 3rem 0;
  border: none;
}

.text-center { text-align: center; }
.text-muted { color: var(--color-muted); }

.prose { max-width: 760px; margin: 0 auto; }
.prose h2 { margin-top: 2.5rem; margin-bottom: 1rem; }
.prose h3 { margin-top: 2rem; margin-bottom: 0.75rem; }
.prose p { font-size: 1.05rem; color: var(--color-text); }
.prose ul li { color: var(--color-text); margin-bottom: 0.5rem; }

.checklist {
  list-style: none;
  margin: 1rem 0;
  padding: 0;
}

.checklist li {
  position: relative;
  padding-left: 2rem;
  margin-bottom: 0.75rem;
}

.checklist li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  width: 22px;
  height: 22px;
  background: var(--color-accent);
  color: white;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 0.75rem;
  font-weight: 700;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
  padding: 1.5rem 0;
}

.faq-item h4 { margin-bottom: 0.5rem; }

.industry-card {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.industry-card h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.industry-card p { font-size: 0.95rem; color: var(--color-muted); margin-bottom: 1rem; flex-grow: 1; }

.case-tag {
  align-self: flex-start;
  font-size: 0.75rem;
  color: var(--color-accent-dark);
  font-weight: 600;
  background: var(--color-success-bg);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  margin-bottom: 0.75rem;
}

/* ==========================================================================
   Tally modal (Book a demo / Talk to sales popup)
   ========================================================================== */

.tally-modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(10, 37, 64, 0.55);
  z-index: 9999;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  backdrop-filter: blur(4px);
}

.tally-modal-overlay.is-open {
  display: flex;
  animation: tallyFadeIn 0.18s ease-out;
}

@keyframes tallyFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.tally-modal {
  background: white;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  width: min(92vw, 640px);
  position: relative;
  overflow: hidden;
  animation: tallyZoomIn 0.2s ease-out;
}

@keyframes tallyZoomIn {
  from { transform: scale(0.96); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.tally-modal-close {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: white;
  border: 1px solid var(--color-border);
  cursor: pointer;
  font-size: 20px;
  line-height: 1;
  display: grid;
  place-items: center;
  z-index: 2;
  color: var(--color-text);
  transition: background 0.15s ease, border-color 0.15s ease;
}

.tally-modal-close:hover {
  background: var(--color-surface);
  border-color: var(--color-primary);
}

.tally-modal iframe {
  width: 100%;
  height: 400px;
  border: 0;
  display: block;
  background: white;
}