:root {
  --color-bg: #f5f5f7;
  --color-bg-alt: #ffffff;
  --color-text: #1d1d1f;
  --color-text-secondary: #424245;
  --color-text-muted: #6e6e73;
  --color-border: rgba(0, 0, 0, 0.08);
  --color-accent: #059669;
  --color-accent-bright: #10b981;
  --color-accent-soft: #ecfdf5;
  --shadow-soft: 0 2px 16px rgba(0, 0, 0, 0.06);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.08);
  --max-width: 1120px;
  --header-height: 76px;
  --radius-lg: 20px;
  --radius-xl: 28px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Segoe UI', sans-serif;
  font-size: 17px;
  line-height: 1.58;
  letter-spacing: -0.01em;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

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

a:hover {
  text-decoration: underline;
}

.container {
  width: min(100% - 2.5rem, var(--max-width));
  margin-inline: auto;
}

.container-narrow {
  width: min(100% - 2.5rem, 760px);
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(245, 245, 247, 0.82);
  backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  color: inherit;
  text-decoration: none;
  min-width: 0;
}

.brand:hover {
  text-decoration: none;
}

.brand-logo {
  flex-shrink: 0;
}

.brand-text {
  min-width: 0;
}

.brand-company {
  display: block;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.2;
}

.brand-product {
  display: block;
  font-family: 'Rajdhani', -apple-system, sans-serif;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  line-height: 1.2;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.site-nav a {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
}

.site-nav a:hover,
.site-nav a[aria-current='page'] {
  color: var(--color-text);
}

.nav-toggle {
  display: none;
  border: 1px solid var(--color-border);
  background: var(--color-bg-alt);
  border-radius: 12px;
  width: 44px;
  height: 44px;
  font-size: 1.125rem;
  cursor: pointer;
}

/* Hero */
.hero {
  padding: 5rem 0 4.5rem;
  background:
    radial-gradient(circle at 85% 10%, rgba(16, 185, 129, 0.08), transparent 42%),
    linear-gradient(180deg, #ffffff 0%, var(--color-bg) 100%);
  border-bottom: 1px solid var(--color-border);
}

.hero-inner {
  max-width: 780px;
}

.company-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text-secondary);
}

.company-badge strong {
  color: var(--color-text);
}

.hero h1 {
  margin: 0 0 1.25rem;
  font-size: clamp(2.5rem, 6vw, 3.75rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.hero-lead {
  margin: 0 0 1rem;
  font-size: clamp(1.125rem, 2.5vw, 1.375rem);
  line-height: 1.5;
  color: var(--color-text-secondary);
  max-width: 42rem;
}

.hero-copy {
  margin: 0 0 2rem;
  color: var(--color-text-muted);
  max-width: 42rem;
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.meta-item {
  padding: 1rem 0;
}

.meta-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 0.35rem;
}

.meta-value {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text);
}

/* Sections */
.section {
  padding: 5rem 0;
}

.section-alt {
  background: var(--color-bg-alt);
  border-block: 1px solid var(--color-border);
}

.section-label {
  display: block;
  margin-bottom: 0.75rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.section-header {
  max-width: 680px;
  margin-bottom: 2.5rem;
}

.section-header h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.875rem, 4vw, 2.625rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.025em;
}

.section-header p {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 1.0625rem;
}

.section-header p + p {
  margin-top: 1rem;
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
}

.info-card {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-soft);
}

.section-alt .info-card {
  background: var(--color-bg);
}

.info-card h3 {
  margin: 0 0 0.75rem;
  font-size: 1.125rem;
  font-weight: 600;
}

.info-card p {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 0.975rem;
}

.info-card p + p {
  margin-top: 0.75rem;
}

.mission-quote {
  margin: 0;
  padding: 2rem 2.25rem;
  border-left: 4px solid var(--color-accent);
  background: var(--color-accent-soft);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  font-size: clamp(1.125rem, 2vw, 1.375rem);
  line-height: 1.55;
  color: var(--color-text-secondary);
}

.why-list {
  display: grid;
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.why-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
  padding: 1.25rem 1.5rem;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.why-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 999px;
  background: var(--color-accent-soft);
  color: var(--color-accent);
  font-size: 0.875rem;
  font-weight: 700;
}

.why-list h3 {
  margin: 0 0 0.35rem;
  font-size: 1rem;
  font-weight: 600;
}

.why-list p {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
}

/* Platform preview */
.preview-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
  align-items: end;
}

.phone-frame {
  background: #111827;
  border-radius: 32px;
  padding: 10px;
  box-shadow: var(--shadow-card);
}

.phone-screen {
  aspect-ratio: 9 / 19.5;
  border-radius: 24px;
  overflow: hidden;
  background: #f8fafc;
  display: flex;
  flex-direction: column;
}

.screen-status {
  height: 28px;
  background: #fff;
  border-bottom: 1px solid #f1f5f9;
}

.screen-body {
  flex: 1;
  padding: 14px;
  overflow: hidden;
}

.screen-brand {
  font-family: 'Rajdhani', sans-serif;
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  color: #1e293b;
  margin-bottom: 10px;
}

.screen-card {
  background: #fff;
  border: 1px solid #f1f5f9;
  border-radius: 14px;
  padding: 12px;
  margin-bottom: 8px;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}

.screen-card--hero {
  background: linear-gradient(145deg, #fff 0%, #ecfdf5 100%);
}

.screen-card h4 {
  margin: 0 0 4px;
  font-size: 0.72rem;
  font-weight: 700;
  color: #1e293b;
}

.screen-card p {
  margin: 0;
  font-size: 0.62rem;
  line-height: 1.4;
  color: #64748b;
}

.screen-nav {
  display: flex;
  justify-content: space-around;
  padding: 8px 4px 10px;
  background: #fff;
  border-top: 1px solid #f1f5f9;
  font-size: 0.55rem;
  font-weight: 600;
  color: #94a3b8;
}

.screen-nav span.active {
  color: #059669;
}

.preview-caption {
  margin: 1rem 0 0;
  text-align: center;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-secondary);
}

/* Contact */
.contact-panel {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1.5rem;
  align-items: stretch;
}

.contact-card {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 2rem;
  box-shadow: var(--shadow-soft);
}

.contact-card h2 {
  margin: 0 0 0.75rem;
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.contact-card p {
  margin: 0;
  color: var(--color-text-secondary);
}

.contact-card p + p {
  margin-top: 0.75rem;
}

.support-email {
  display: inline-block;
  margin-top: 0.75rem;
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.contact-details {
  display: grid;
  gap: 1rem;
}

.detail-row {
  padding: 1rem 1.25rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 14px;
}

.detail-row dt {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 0.25rem;
}

.detail-row dd {
  margin: 0;
  font-weight: 600;
  color: var(--color-text);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.65rem 1.125rem;
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
}

.btn:hover {
  text-decoration: none;
}

.btn-primary {
  background: var(--color-text);
  color: #fff;
}

.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}

/* Subpages */
.page-main {
  padding: 4rem 0 5rem;
}

.page-main h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.025em;
}

.page-intro {
  margin: 0 0 2rem;
  color: var(--color-text-muted);
  max-width: 42rem;
}

.content-card {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 2rem;
  box-shadow: var(--shadow-soft);
}

.content-card h2 {
  margin: 2rem 0 0.75rem;
  font-size: 1.25rem;
}

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

.content-card p {
  margin: 0;
  color: var(--color-text-secondary);
}

.content-card p + p,
.content-card ul {
  margin-top: 0.875rem;
}

.legal-list {
  padding-left: 1.25rem;
  color: var(--color-text-secondary);
}

.legal-list li + li {
  margin-top: 0.5rem;
}

/* Footer */
.site-footer {
  padding: 3rem 0 2.5rem;
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 2rem;
}

.footer-brand .brand-company {
  font-size: 1rem;
}

.footer-tagline {
  margin: 0.75rem 0 0;
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  max-width: 28rem;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem 1.5rem;
}

.footer-links a {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--color-text);
  text-decoration: none;
}

.footer-copy {
  margin: 2rem 0 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 0.8125rem;
  line-height: 1.6;
}

@media (max-width: 960px) {
  .hero-meta,
  .content-grid,
  .preview-grid,
  .contact-panel,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .preview-grid {
    max-width: 320px;
    margin-inline: auto;
  }
}

@media (max-width: 860px) {
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.75rem 1.25rem 1rem;
    background: rgba(245, 245, 247, 0.98);
    border-bottom: 1px solid var(--color-border);
  }

  .site-nav a {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--color-border);
  }

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

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

  .site-header {
    position: sticky;
  }

  .header-inner {
    position: relative;
  }
}