:root {
  --color-bg: #0A1628;
  --color-surface: #0F1D32;
  --color-surface-alt: #162540;
  --color-border: #1E3A5F;
  --color-text: #E8ECF1;
  --color-text-muted: #8899A8;
  --color-primary: #00D4AA;
  --color-primary-dark: #00B894;
  --color-accent: #FF6B35;
  --color-accent-dark: #E85A2A;
  --color-white: #FFFFFF;
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  --max-width: 1200px;
  --radius: 8px;
  --radius-lg: 16px;
  --shadow: 0 4px 24px rgba(0,0,0,0.3);
  --transition: 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  color: var(--color-primary-dark);
}

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

h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  font-weight: 600;
  color: var(--color-white);
}

h1 { font-size: clamp(2rem, 5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.25rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.5rem); }
h4 { font-size: 1.125rem; }

p { margin-bottom: 1rem; }

ul, ol {
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-bg);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  color: var(--color-bg);
  transform: translateY(-2px);
}

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

.btn-accent:hover {
  background: var(--color-accent-dark);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-bg);
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 22, 40, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-white);
}

.logo img {
  height: 40px;
  width: auto;
}

.nav {
  display: none;
}

.nav__list {
  display: flex;
  gap: 2rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav__link {
  color: var(--color-text);
  font-weight: 500;
  position: relative;
}

.nav__link:hover {
  color: var(--color-primary);
}

.nav__link--active {
  color: var(--color-primary);
}

.header__cta {
  display: none;
}

.menu-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: var(--transition);
}

/* Mobile Nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg);
  padding: 2rem;
  z-index: 999;
}

.mobile-nav.active {
  display: block;
}

.mobile-nav__list {
  list-style: none;
  padding: 0;
}

.mobile-nav__item {
  border-bottom: 1px solid var(--color-border);
}

.mobile-nav__link {
  display: block;
  padding: 1rem 0;
  color: var(--color-text);
  font-size: 1.125rem;
}

@media (min-width: 768px) {
  .nav {
    display: block;
  }
  .header__cta {
    display: block;
  }
  .menu-toggle {
    display: none;
  }
}

/* Hero */
.hero {
  padding: 8rem 1rem 4rem;
  text-align: center;
  background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-bg) 100%);
}

.hero__badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: rgba(0, 212, 170, 0.1);
  border: 1px solid var(--color-primary);
  border-radius: 50px;
  color: var(--color-primary);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.hero__title {
  margin-bottom: 1.5rem;
}

.hero__title span {
  color: var(--color-primary);
}

.hero__subtitle {
  max-width: 700px;
  margin: 0 auto 2rem;
  color: var(--color-text-muted);
  font-size: 1.125rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

/* Section */
.section {
  padding: 4rem 1rem;
}

.section--alt {
  background: var(--color-surface);
}

.section__header {
  text-align: center;
  margin-bottom: 3rem;
}

.section__title {
  margin-bottom: 1rem;
}

.section__subtitle {
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* Cards */
.cards {
  display: grid;
  gap: 1.5rem;
}

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

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

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition);
}

.card:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
}

.card__icon {
  width: 48px;
  height: 48px;
  background: rgba(0, 212, 170, 0.1);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  color: var(--color-primary);
}

.card__title {
  margin-bottom: 0.75rem;
}

.card__text {
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
}

/* Stats */
.stats {
  display: grid;
  gap: 2rem;
  text-align: center;
}

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

@media (min-width: 1024px) {
  .stats { grid-template-columns: repeat(4, 1fr); }
}

.stat__value {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

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

/* Features */
.features {
  display: grid;
  gap: 3rem;
}

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

.feature {
  display: flex;
  gap: 1rem;
}

.feature__icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background: rgba(0, 212, 170, 0.1);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.feature__title {
  margin-bottom: 0.5rem;
}

.feature__text {
  color: var(--color-text-muted);
  margin: 0;
}

/* CTA Section */
.cta-section {
  text-align: center;
  padding: 4rem 1rem;
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-surface-alt) 100%);
  border-radius: var(--radius-lg);
  margin: 2rem 1rem;
}

.cta-section__title {
  margin-bottom: 1rem;
}

.cta-section__text {
  color: var(--color-text-muted);
  max-width: 500px;
  margin: 0 auto 2rem;
}

/* Footer */
.footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 4rem 1rem 2rem;
}

.footer__grid {
  display: grid;
  gap: 2rem;
  margin-bottom: 3rem;
}

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

@media (min-width: 1024px) {
  .footer__grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
}

.footer__brand {
  max-width: 300px;
}

.footer__logo {
  margin-bottom: 1rem;
}

.footer__desc {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

.footer__title {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
  color: var(--color-text-muted);
}

.footer__list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer__list li {
  margin-bottom: 0.5rem;
}

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

.footer__list a:hover {
  color: var(--color-primary);
}

.footer__bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  align-items: center;
}

.footer__copy {
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

.footer__legal {
  display: flex;
  gap: 1.5rem;
}

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

/* Page Header */
.page-header {
  padding: 8rem 1rem 3rem;
  background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-bg) 100%);
}

.page-header__inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
  font-size: 0.875rem;
}

.breadcrumb li::after {
  content: '/';
  margin-left: 0.5rem;
  color: var(--color-text-muted);
}

.breadcrumb li:last-child::after {
  display: none;
}

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

.breadcrumb a:hover {
  color: var(--color-primary);
}

.page-header__title {
  margin-bottom: 1rem;
}

.page-header__subtitle {
  color: var(--color-text-muted);
  font-size: 1.125rem;
  max-width: 700px;
}

/* Content */
.content {
  max-width: 800px;
  margin: 0 auto;
  padding: 3rem 1rem;
}

.content h2 {
  margin: 2rem 0 1rem;
}

.content h3 {
  margin: 1.5rem 0 0.75rem;
}

.content ul, .content ol {
  margin-bottom: 1.5rem;
}

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

/* Grid Layouts */
.grid-2 {
  display: grid;
  gap: 2rem;
}

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

.grid-3 {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

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

/* Industries */
.industry-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  transition: all var(--transition);
}

.industry-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
}

.industry-card__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 1rem;
  color: var(--color-primary);
}

.industry-card__title {
  margin-bottom: 0.75rem;
}

.industry-card__text {
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

/* Tools */
.tool-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition);
}

.tool-card:hover {
  border-color: var(--color-accent);
}

.tool-card__badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: rgba(255, 107, 53, 0.1);
  border-radius: 50px;
  color: var(--color-accent);
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.tool-card__title {
  margin-bottom: 0.75rem;
}

.tool-card__text {
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

/* Case Studies */
.case-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
}

.case-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
}

.case-card__image {
  height: 200px;
  background: var(--color-surface-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.case-card__content {
  padding: 1.5rem;
}

.case-card__tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: rgba(0, 212, 170, 0.1);
  border-radius: 50px;
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.case-card__title {
  margin-bottom: 0.75rem;
}

.case-card__text {
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

/* Insights */
.insight-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: all var(--transition);
}

.insight-card:hover {
  border-color: var(--color-primary);
}

.insight-card__category {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: rgba(0, 212, 170, 0.1);
  border-radius: 50px;
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.insight-card__title {
  margin-bottom: 0.5rem;
  font-size: 1.125rem;
}

.insight-card__excerpt {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

.insight-card__link {
  font-size: 0.875rem;
  font-weight: 600;
}

/* Contact Form */
.contact-form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

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

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

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

/* FAQ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

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

.faq-question {
  width: 100%;
  padding: 1.5rem 0;
  background: none;
  border: none;
  text-align: left;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-white);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-question::after {
  content: '+';
  font-size: 1.5rem;
  color: var(--color-primary);
}

.faq-question.active::after {
  content: '−';
}

.faq-answer {
  display: none;
  padding-bottom: 1.5rem;
  color: var(--color-text-muted);
}

.faq-answer.active {
  display: block;
}

/* Trust Badges */
.trust-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: center;
  align-items: center;
  padding: 2rem 0;
}

.trust-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

.trust-badge svg {
  width: 24px;
  height: 24px;
  color: var(--color-primary);
}

/* Utilities */
.text-center { text-align: center; }
.text-primary { color: var(--color-primary); }
.text-muted { color: var(--color-text-muted); }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mt-2 { margin-top: 1rem; }
.mt-4 { margin-top: 2rem; }

/* Skip Link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-primary);
  color: var(--color-bg);
  padding: 0.5rem 1rem;
  z-index: 9999;
}

.skip-link:focus {
  top: 0;
}

/* Visually Hidden */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}