/* =========================================================
   Data Wizards — brand stylesheet
   Palette: dark navy background, off-white text, orange CTA
   ========================================================= */
:root {
  /* Dark theme (default) */
  --color-bg: #0d141a;
  --color-bg-alt: #141d26;
  --color-bg-card: #1a2430;
  --color-border: #2a3644;
  --color-text: #e8edf2;
  --color-text-dim: #9aa8b6;
  --color-accent: #ff6900;
  --color-accent-hover: #e55f00;
  --color-accent-text: #0d141a;
  --color-secondary: #4a90e2;
  --hero-gradient-1: rgba(255,105,0,0.12);
  --hero-gradient-2: rgba(39,103,197,0.10);
  --cta-gradient-1: rgba(255,105,0,0.15);
  --cta-gradient-2: rgba(255,105,0,0.05);
  --header-bg: rgba(13, 20, 26, 0.92);
  --card-icon-bg: rgba(255,105,0,0.12);
  --radius: 14px;
  --radius-pill: 50px;
  --max: 1180px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Helvetica Neue", Arial, sans-serif;
  --shadow: 0 8px 30px rgba(0,0,0,0.35);
}

/* Light theme — original white + blue look */
html[data-theme="light"] {
  --color-bg: #ffffff;
  --color-bg-alt: #f5f8fc;
  --color-bg-card: #ffffff;
  --color-border: #dbe3ec;
  --color-text: #0d141a;
  --color-text-dim: #556270;
  --color-accent: #ff6900;
  --color-accent-hover: #e55f00;
  --color-accent-text: #ffffff;
  --color-secondary: #2767c5;
  --hero-gradient-1: rgba(39,103,197,0.10);
  --hero-gradient-2: rgba(255,105,0,0.06);
  --cta-gradient-1: rgba(39,103,197,0.12);
  --cta-gradient-2: rgba(39,103,197,0.04);
  --header-bg: rgba(255, 255, 255, 0.92);
  --card-icon-bg: rgba(39,103,197,0.10);
  --shadow: 0 8px 24px rgba(39,103,197,0.08);
}
html[data-theme="light"] .card {
  box-shadow: 0 2px 10px rgba(13,20,26,0.04);
}
html[data-theme="light"] .card-icon {
  color: var(--color-secondary);
}
html[data-theme="light"] .testimonial::before {
  color: var(--color-secondary);
  opacity: 0.35;
}
html[data-theme="light"] .contact-form {
  box-shadow: 0 2px 20px rgba(13,20,26,0.06);
}
html[data-theme="light"] .contact-info-card {
  box-shadow: 0 2px 8px rgba(13,20,26,0.04);
}
html[data-theme="light"] .btn-outline {
  border-color: #c8d4e0;
  color: var(--color-text);
}
html[data-theme="light"] .btn-outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

html { transition: background 0.2s; }
body, .site-header, .card, .testimonial, .contact-form, .site-footer, .cta-band, .section-alt, .form-group input, .form-group textarea {
  transition: background-color 0.2s, color 0.2s, border-color 0.2s;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { max-width: 100%; display: block; }
a { color: var(--color-accent); text-decoration: none; }
a:hover { color: var(--color-accent-hover); }

.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

/* -------- Header / Nav -------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--header-bg);
  backdrop-filter: saturate(180%) blur(10px);
  -webkit-backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--color-border);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  gap: 16px;
}
.nav-right {
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav-logo img { height: 40px; width: auto; }
.nav-logo-text {
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.2px;
  color: var(--color-text);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  color: var(--color-text);
  font-weight: 500;
  font-size: 15px;
  transition: color 0.15s;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--color-accent);
}
.nav-cta {
  display: inline-block;
}
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 20px;
  line-height: 1;
}

/* Theme toggle button */
.theme-toggle {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  line-height: 1;
  padding: 0;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}
.theme-toggle:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: inline; }
html[data-theme="light"] .theme-toggle .icon-sun { display: inline; }
html[data-theme="light"] .theme-toggle .icon-moon { display: none; }

/* -------- Buttons -------- */
.btn {
  display: inline-block;
  background: var(--color-accent);
  color: var(--color-accent-text);
  padding: 12px 30px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-accent-text);
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
  text-align: center;
}
.btn:hover {
  background: var(--color-accent-hover);
  color: var(--color-accent-text);
}
.btn:active { transform: translateY(1px); }
.btn-lg {
  padding: 16px 38px;
  font-size: 16px;
}
.btn-outline {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: transparent;
}

/* -------- Sections -------- */
section { padding: 80px 0; }
.section-tight { padding: 60px 0; }
h1, h2, h3, h4 {
  color: var(--color-text);
  line-height: 1.2;
  margin: 0 0 16px;
}
h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); font-weight: 700; }
h2 { font-size: clamp(1.75rem, 3.8vw, 2.5rem); font-weight: 700; }
h3 { font-size: 1.25rem; font-weight: 600; }
p { margin: 0 0 16px; color: var(--color-text-dim); font-size: 17px; }
.lead { font-size: 19px; color: var(--color-text-dim); max-width: 680px; }

/* -------- Hero -------- */
.hero {
  padding: 100px 0 90px;
  background:
    radial-gradient(ellipse at top right, var(--hero-gradient-1), transparent 60%),
    radial-gradient(ellipse at bottom left, var(--hero-gradient-2), transparent 60%),
    var(--color-bg);
  text-align: center;
}
.hero h1 { margin-bottom: 20px; }
.hero-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 16px;
}
.hero p { max-width: 720px; margin: 0 auto 32px; font-size: 20px; }
.hero-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* -------- Feature grid -------- */
.grid {
  display: grid;
  gap: 24px;
}
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
  transition: transform 0.2s, border-color 0.2s;
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--color-accent);
}
.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--card-icon-bg);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 24px;
}
.card h3 { margin-bottom: 10px; }
.card p { font-size: 15px; margin-bottom: 0; }

/* -------- Stats row -------- */
.stats-row {
  display: flex;
  justify-content: center;
  gap: 56px;
  flex-wrap: wrap;
  padding: 32px 0;
}
.stat-item {
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.stat-number {
  font-size: clamp(2.2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
}
.stat-label {
  font-size: 14px;
  color: var(--color-text-dim);
  font-weight: 500;
}

/* -------- Step cards -------- */
.step-card { position: relative; padding-top: 48px; }
.step-number {
  position: absolute;
  top: 20px;
  right: 24px;
  font-size: 40px;
  font-weight: 800;
  color: var(--color-accent);
  opacity: 0.18;
  line-height: 1;
}

/* -------- Contact info cards -------- */
.contact-info-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 16px;
  transition: background-color 0.2s, border-color 0.2s;
}
.contact-info-card h3 { margin-bottom: 8px; font-size: 16px; }
.contact-info-card p { margin-bottom: 0; font-size: 15px; }

/* -------- Alt background section -------- */
.section-alt { background: var(--color-bg-alt); }

/* -------- Testimonials -------- */
.testimonials {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testimonial {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
  position: relative;
}
.testimonial::before {
  content: "\201C";
  position: absolute;
  top: 8px;
  left: 20px;
  font-size: 60px;
  color: var(--color-accent);
  opacity: 0.4;
  line-height: 1;
}
.testimonial p {
  font-style: italic;
  color: var(--color-text);
  font-size: 16px;
  margin: 20px 0 0;
  position: relative;
}

/* -------- CTA band -------- */
.cta-band {
  text-align: center;
  padding: 90px 0;
  background:
    linear-gradient(135deg, var(--cta-gradient-1), var(--cta-gradient-2)),
    var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.cta-band h2 { margin-bottom: 14px; }
.cta-band p { max-width: 600px; margin: 0 auto 28px; font-size: 18px; }

/* -------- Contact page -------- */
.contact-layout {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
}
.contact-form {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 36px;
}
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 8px;
}
.form-group input,
.form-group textarea {
  width: 100%;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 12px 14px;
  color: var(--color-text);
  font-family: inherit;
  font-size: 15px;
  transition: border-color 0.15s;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}
.form-group textarea { resize: vertical; min-height: 140px; }
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-dim);
  opacity: 0.5;
}
.form-consent {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  font-size: 15px;
  color: var(--color-text-dim);
  margin: 14px 0 26px;
  line-height: 1.5;
}
.form-consent input[type="checkbox"] {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  width: 26px;
  height: 26px;
  min-width: 26px;
  margin: 0;
  padding: 0;
  border: 2px solid var(--color-border);
  border-radius: 5px;
  background: var(--color-bg);
  cursor: pointer;
  flex-shrink: 0;
  position: relative;
  display: inline-block;
  vertical-align: top;
  transition: border-color 0.15s, background-color 0.15s;
}
.form-consent input[type="checkbox"]:hover {
  border-color: var(--color-accent);
}
.form-consent input[type="checkbox"]:checked {
  background: var(--color-accent);
  border-color: var(--color-accent);
}
.form-consent input[type="checkbox"]:checked::after {
  content: "";
  position: absolute;
  left: 7px;
  top: 2px;
  width: 7px;
  height: 13px;
  border: solid #fff;
  border-width: 0 3px 3px 0;
  transform: rotate(45deg);
}
.form-consent input[type="checkbox"]:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}
@media (max-width: 720px) {
  .form-consent {
    font-size: 16px;
    gap: 14px;
  }
  .form-consent input[type="checkbox"] {
    width: 30px;
    height: 30px;
    min-width: 30px;
    border-radius: 6px;
  }
  .form-consent input[type="checkbox"]:checked::after {
    left: 9px;
    top: 3px;
    width: 8px;
    height: 15px;
  }
}
.form-consent a { color: var(--color-accent); }

.contact-info h3 { margin-top: 0; }
.contact-info p { font-size: 16px; }
.contact-info strong { color: var(--color-text); }

.flash {
  border-radius: 10px;
  padding: 14px 18px;
  margin-bottom: 20px;
  font-size: 15px;
}
.flash-success {
  background: rgba(34, 197, 94, 0.12);
  color: #86efac;
  border: 1px solid rgba(34, 197, 94, 0.35);
}
.flash-error {
  background: rgba(239, 68, 68, 0.12);
  color: #fca5a5;
  border: 1px solid rgba(239, 68, 68, 0.35);
}

/* -------- Footer -------- */
.site-footer {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  padding: 56px 0 28px;
  margin-top: 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 36px;
}
.footer-brand img { height: 44px; margin-bottom: 14px; }
.footer-brand p { max-width: 360px; font-size: 15px; }
.footer-col h4 {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-text-dim);
  margin-bottom: 16px;
  font-weight: 600;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: 10px; }
.footer-col a {
  color: var(--color-text);
  font-size: 15px;
  transition: color 0.15s;
}
.footer-col a:hover { color: var(--color-accent); }
.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  color: var(--color-text-dim);
  font-size: 14px;
  flex-wrap: wrap;
  gap: 12px;
}

/* -------- Privacy / simple content pages -------- */
.content-page { padding: 80px 0 100px; }
.content-page h1 { margin-bottom: 12px; }
.content-page .lead { margin-bottom: 40px; }
.content-page h2 {
  font-size: 1.4rem;
  margin-top: 36px;
  margin-bottom: 10px;
}
.content-page p { font-size: 16px; color: var(--color-text-dim); }

/* =========================================================
   Responsive — tablet and mobile
   ========================================================= */
@media (max-width: 960px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .testimonials { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; gap: 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-brand { grid-column: 1 / -1; }
  section { padding: 64px 0; }
  .hero { padding: 72px 0; }
}

@media (max-width: 960px) {
  .stats-row { gap: 36px; }
}

@media (max-width: 720px) {
  .stats-row {
    flex-direction: column;
    gap: 24px;
    align-items: center;
  }
  .nav-toggle { display: inline-flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 24px 20px;
  }
  .nav-links.open { display: flex; }
  .nav-links li { border-bottom: 1px solid var(--color-border); }
  .nav-links li:last-child { border-bottom: none; }
  .nav-links a {
    display: block;
    padding: 14px 0;
  }
  .nav-cta-wrap { display: none; }

  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }

  h1 { font-size: 2rem; }
  h2 { font-size: 1.6rem; }
  .hero p { font-size: 17px; }
  .lead { font-size: 17px; }
  .card, .contact-form, .testimonial { padding: 24px; }
  section { padding: 56px 0; }
  .hero { padding: 64px 0; }
  .cta-band { padding: 64px 0; }
  .container { padding: 0 20px; }
  .btn { width: 100%; max-width: 320px; }
  .hero-actions { flex-direction: column; align-items: center; }
}

@media (max-width: 420px) {
  .nav-logo img { height: 34px; }
  .nav-logo-text { font-size: 16px; }
}