/* LyonTech AI — shared styles */
:root {
  --bg: #0d0d0d;
  --bg-elevated: #141414;
  --bg-card: #1a1a1a;
  --border: rgba(255, 255, 255, 0.1);
  --text: #f0ece4;
  --text-muted: #8a8a8a;
  --accent: #f5c518;
  --accent-hover: #ffd84d;
  --accent-glow: rgba(245, 197, 24, 0.18);
  --success: #22c55e;
  --font-sans: "IBM Plex Sans", system-ui, sans-serif;
  --font-display: "Barlow Condensed", sans-serif;
  --max-width: 1180px;
  --header-h: 72px;
  --radius: 2px;
  --radius-lg: 2px;
  --transition: 0.18s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition);
}

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

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

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(13, 13, 13, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
}

.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: 0.02em;
  color: var(--text);
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  line-height: 1;
}

.logo span {
  display: inline-block;
  background: var(--accent);
  color: #0d0d0d;
  padding: 0 6px;
  margin-left: 6px;
  font-family: var(--font-display);
  font-weight: 700;
}

.nav-desktop {
  display: none;
  align-items: center;
  gap: 2.25rem;
}

.nav-desktop a {
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.nav-desktop a:hover,
.nav-desktop a.active {
  color: var(--text);
}

.nav-desktop a.btn {
  color: #0d0d0d;
  letter-spacing: 0.05em;
}

.nav-desktop a.btn:hover {
  color: #0d0d0d;
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  color: var(--text);
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: currentColor;
  border-radius: 0;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-mobile {
  display: none;
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
  padding: 1rem 1.5rem 1.5rem;
  flex-direction: column;
  gap: 0;
}

.nav-mobile.is-open {
  display: flex;
}

.nav-mobile a {
  display: block;
  padding: 1rem 0;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  border-bottom: 1px solid var(--border);
}

.nav-mobile a:last-child {
  border-bottom: none;
}

.nav-mobile a:hover,
.nav-mobile a.active {
  color: var(--text);
}

@media (min-width: 768px) {
  .nav-desktop {
    display: flex;
  }

  .nav-toggle {
    display: none;
  }

  .nav-mobile {
    display: none !important;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), transform var(--transition), border-color var(--transition);
  text-decoration: none;
  line-height: 1.1;
}

.btn-primary {
  background: var(--accent);
  color: #0d0d0d;
}

.btn-primary:hover {
  background: var(--accent-hover);
  color: #0d0d0d;
  transform: translateY(-2px);
  box-shadow: none;
}

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

.btn-outline:hover {
  background: var(--text);
  color: #0d0d0d;
  border-color: var(--text);
}

/* Hero */
.hero {
  padding: calc(var(--header-h) + 5rem) 0 6rem;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}

.hero-bgword {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  font-size: clamp(120px, 22vw, 260px);
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.05);
  white-space: nowrap;
  pointer-events: none;
  z-index: 0;
  user-select: none;
  letter-spacing: -0.02em;
  line-height: 1;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: left;
  max-width: 900px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  padding: 0.1rem 0 0.1rem 0.75rem;
  margin-bottom: 1.75rem;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text);
  background: transparent;
  border: none;
  border-left: 3px solid var(--accent);
  border-radius: 0;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  margin-bottom: 1.75rem;
}

.hero p {
  font-size: 1.125rem;
  color: var(--text-muted);
  margin-bottom: 2.25rem;
  line-height: 1.6;
  max-width: 620px;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
}

/* Sections */
section {
  padding: 6rem 0;
}

.section-label {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 1rem;
  display: inline-block;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  line-height: 1;
  margin-bottom: 1.25rem;
}

.section-intro {
  color: var(--text-muted);
  max-width: 620px;
  margin-bottom: 3.5rem;
  font-size: 1.0625rem;
}

.section-header {
  text-align: left;
  margin-bottom: 3.5rem;
  max-width: 720px;
}

.section-header .section-intro {
  margin-bottom: 0;
}

/* Services */
.services-grid {
  display: grid;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

@media (min-width: 768px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.service-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  border-top: 3px solid var(--accent);
  padding: 2.5rem 2rem;
  transition: transform var(--transition), border-top-color var(--transition), background var(--transition);
}

.service-card:hover {
  transform: translateY(-3px);
  border-top-color: var(--accent-hover);
  background: var(--bg-elevated);
}

.service-icon {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2.75rem;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 1.25rem;
  opacity: 0.9;
  width: auto;
  height: auto;
  background: none;
  border-radius: 0;
  display: block;
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0;
  line-height: 1.05;
  margin-bottom: 0.875rem;
}

.service-card p {
  color: var(--text-muted);
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* How it works */
.how-it-works {
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.steps {
  display: grid;
  gap: 2.5rem;
  position: relative;
}

@media (min-width: 768px) {
  .steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }
}

.step {
  text-align: left;
  position: relative;
  padding: 1.5rem 0 0;
  border-top: 1px solid var(--border);
}

.step-number {
  width: 48px;
  height: 48px;
  margin: 0 0 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent);
  background: transparent;
  border: 2px solid var(--accent);
  border-radius: var(--radius);
}

.step h3 {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0;
  margin-bottom: 0.625rem;
}

.step p {
  color: var(--text-muted);
  font-size: 0.9375rem;
}

.step-arrow {
  display: none;
}

/* Testimonials */
.testimonials-grid {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .testimonials-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 2rem;
  min-height: 200px;
  display: flex;
  flex-direction: column;
}

.testimonial-placeholder {
  flex: 1;
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  color: var(--text);
  font-size: 1rem;
  font-style: normal;
  text-align: left;
  padding: 0;
  line-height: 1.5;
}

.testimonial-meta {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.testimonial-meta strong {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text);
}

.testimonial-meta span {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Contact / Demo form */
.contact-section {
  background: var(--bg);
  border-top: 1px solid var(--border);
}

.contact-section .section-header {
  margin-left: auto;
  margin-right: auto;
  max-width: 720px;
  text-align: left;
}

.demo-form {
  max-width: 760px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.demo-form .form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .demo-form .form-row {
    grid-template-columns: 1fr 1fr;
  }
}

.demo-form .form-field {
  display: flex;
  flex-direction: column;
}

.demo-form label {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}

.demo-form input,
.demo-form select,
.demo-form textarea {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.875rem 1rem;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.4;
  transition: border-color var(--transition);
}

.demo-form textarea {
  min-height: 140px;
  resize: vertical;
}

.demo-form select {
  appearance: none;
  -webkit-appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--text-muted) 50%), linear-gradient(135deg, var(--text-muted) 50%, transparent 50%);
  background-position: calc(100% - 18px) center, calc(100% - 13px) center;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  padding-right: 2.5rem;
}

.demo-form input:focus,
.demo-form select:focus,
.demo-form textarea:focus {
  border-color: var(--accent);
  outline: none;
}

.demo-form input::placeholder,
.demo-form textarea::placeholder {
  color: var(--text-muted);
}

.demo-form .form-submit {
  display: flex;
  justify-content: flex-start;
}

.demo-form .form-submit .btn {
  width: 100%;
}

@media (min-width: 640px) {
  .demo-form .form-submit .btn {
    width: auto;
    min-width: 240px;
  }
}

.form-confirmation {
  max-width: 760px;
  margin: 0 auto;
  padding: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 1rem;
  line-height: 1.6;
}

.form-confirmation a {
  color: var(--accent);
}

/* CTA band */
.cta-band {
  padding: 5rem 0;
  text-align: left;
  background: var(--bg);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.cta-band .container {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: flex-start;
}

.cta-band h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  line-height: 1;
  margin: 0;
}

.cta-band p {
  color: var(--text-muted);
  margin: 0;
  max-width: 560px;
}

/* Industries */
.industries {
  padding: 2.5rem 0 4rem;
  border-bottom: 1px solid var(--border);
}

.industry-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
  justify-content: flex-start;
}

.industry-tags span {
  padding: 0.5rem 0.875rem;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
}

/* Legal / content pages */
.page-hero {
  padding: calc(var(--header-h) + 3.5rem) 0 2.5rem;
  border-bottom: 1px solid var(--border);
}

.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  line-height: 1;
  margin-bottom: 0.75rem;
}

.page-hero .meta {
  color: var(--text-muted);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.legal-content {
  padding: 3rem 1.5rem 5rem;
  max-width: 760px;
}

.legal-content h2 {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0;
  margin: 2.25rem 0 0.875rem;
  color: var(--text);
}

.legal-content h2:first-child {
  margin-top: 0;
}

.legal-content p,
.legal-content li {
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.legal-content strong {
  color: var(--text);
  font-weight: 600;
}

.legal-content ul,
.legal-content ol {
  margin: 0 0 1rem 1.25rem;
  color: var(--text-muted);
}

.legal-content li {
  margin-bottom: 0.5rem;
}

.legal-content a {
  word-break: break-word;
}

.legal-content .notice {
  padding: 1rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  margin: 1.5rem 0;
  font-size: 0.9375rem;
  color: var(--text);
}

/* Opt-in methods */
.optin-methods {
  display: grid;
  gap: 1.25rem;
  margin: 2.5rem 0;
}

.optin-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-top: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 1.75rem;
}

.optin-card .method-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: auto;
  height: auto;
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--accent);
  background: transparent;
  border-radius: 0;
  margin-bottom: 0.75rem;
  line-height: 1;
}

.optin-card h3 {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0;
  margin-bottom: 0.75rem;
  color: var(--text);
}

.optin-card p {
  color: var(--text-muted);
  font-size: 0.9375rem;
  margin-bottom: 0;
}

.legal-links {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.legal-links a {
  margin-right: 0;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
}

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

/* Footer */
.site-footer {
  padding: 3.5rem 0 2rem;
  border-top: 1px solid var(--border);
  background: var(--bg-elevated);
}

.footer-grid {
  display: grid;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-top: 1rem;
  max-width: 300px;
}

.footer-col h4 {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 1.25rem;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 0.625rem;
}

.footer-col a {
  color: var(--text);
  font-size: 0.875rem;
}

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

.footer-bottom {
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.footer-bottom a {
  color: var(--text-muted);
}

.footer-bottom a:hover {
  color: var(--text);
}