:root {
  --hue: 54deg;
  --color-bg: #f3f5f7;
  --color-surface: #ffffff;
  --color-text: #0f172a;
  --color-text-secondary: #64748b;
  --color-primary: #0f3460;
  --color-accent: #00d4ff;
  --color-violet: #7c3aed;
  --gradient-main: linear-gradient(135deg, var(--color-primary), var(--color-violet));
  --gradient-accent: linear-gradient(135deg, var(--color-accent), #0099ff);
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 24px;
  --font-main: 'Inter', system-ui, -apple-system, sans-serif;
}

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

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

/* --- Layout Utilities --- */
.layout {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding-left: clamp(1.5rem, 4vw, 2.5rem);
  padding-right: clamp(1.5rem, 4vw, 2.5rem);
}

@media (min-width: 768px) {
  .container {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

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

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: 1.5rem;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1rem;
}

h3 {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  margin-bottom: 0.75rem;
}

p {
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  color: var(--color-text-secondary);
  margin-bottom: 1.5rem;
}

/* --- Components --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 1.75rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
  cursor: pointer;
  border: none;
  font-size: 1rem;
}

.btn--primary {
  background: var(--gradient-main);
  color: white;
  box-shadow: var(--shadow-md);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

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

/* --- Borders & Top Bar --- */
.top-bar {
  border-bottom: 1px solid #e2e8f0;
  background: var(--color-surface);
}

.top-bar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}

.top-bar__text {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.top-bar__highlight {
  color: var(--color-violet);
  font-weight: 600;
}

/* --- Header & Nav --- */
.page-header {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid #e2e8f0;
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 1rem 0;
}

.page-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo span {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-menu {
  display: none;
  list-style: none;
  gap: 2rem;
}

.nav-menu__link {
  text-decoration: none;
  color: var(--color-text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s;
}

.nav-menu__link:hover, .nav-menu__link--active {
  color: var(--color-primary);
}

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

/* --- Sections Pattern --- */
.section {
  width: 100%;
  padding: 5rem 0;
}

.section__content {
  width: 100%;
}

/* --- Hero Section --- */
.hero {
  padding: 8rem 0 6rem;
  background: radial-gradient(circle at top right, rgba(124, 58, 237, 0.08), transparent 40%),
              radial-gradient(circle at bottom left, rgba(0, 212, 255, 0.08), transparent 40%);
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

.hero__eyebrow {
  display: inline-block;
  font-weight: 600;
  color: var(--color-violet);
  text-transform: uppercase;
  font-size: 0.875rem;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.hero__image {
  width: 100%;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  aspect-ratio: 16/10;
  object-fit: cover;
  border: 1px solid #e2e8f0;
}

@media (min-width: 992px) {
  .hero__grid {
    grid-template-columns: 1.2fr 1fr;
  }
}

/* --- Content Section --- */
.content-block {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

/* --- Feature Grid --- */
.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.feature-card {
  background: var(--color-surface);
  padding: 2rem;
  border-radius: var(--radius-md);
  border: 1px solid #e2e8f0;
  transition: transform 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}

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

/* --- Stats Row --- */
.stats-row {
  background: var(--color-primary);
  color: white;
  padding: 4rem 0;
}

.stats-row__content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
  text-align: center;
  gap: 2rem;
}

.stat-item h3 {
  color: var(--color-accent);
  font-size: 3rem;
  margin-bottom: 0.5rem;
}

.stat-item p {
  color: #94a3b8;
  margin-bottom: 0;
}

/* --- CTA Band --- */
.cta-band {
  background: var(--gradient-main);
  color: white;
  text-align: center;
  padding: 6rem 0;
}

.cta-band__content {
  max-width: 700px;
  margin: 0 auto;
}

.cta-band h2 {
  color: white;
}

.cta-band p {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2.5rem;
}

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

.faq-item {
  border-bottom: 1px solid #e2e8f0;
  padding: 1.5rem 0;
}

.faq-item summary {
  font-weight: 600;
  font-size: 1.125rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.faq-item[open] summary::after {
  content: '-';
}

.faq-item p {
  margin-top: 1rem;
  margin-bottom: 0;
}

/* --- Footer --- */
.page-footer {
  background: #0f172a;
  color: #94a3b8;
  padding: 4rem 0 2rem;
  margin-top: auto;
}

.page-footer__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand h2 {
  color: white;
  margin-bottom: 1rem;
}

.footer-col h4 {
  color: white;
  margin-bottom: 1.25rem;
  font-size: 1rem;
}

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

.footer-col li {
  margin-bottom: 0.75rem;
}

.footer-col a {
  color: #94a3b8;
  text-decoration: none;
  transition: color 0.2s;
}

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

.page-footer__bottom {
  border-top: 1px solid #1e293b;
  padding-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
img,svg,video{max-width:100%;height:auto}