:root {
  --accent: #00bcff;
  --accent-dark: #0099d4;
  --nav-bg: #000000;
  --nav-text: #ffffff;
  --footer-bg: #000000;
  --footer-text: #cccccc;
  --header-bg: #ffffff;
  --text: #000000;
  --text-muted: #1a1a1a;
  --green: #397222;
  --blue: #1e73be;
  --red: #dd3333;
  --white: #ffffff;
  --radius: 12px;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
  --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--header-bg);
  line-height: 1.6;
}

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

.container {
  width: min(1140px, 92vw);
  margin: 0 auto;
}

/* Nav */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--nav-bg);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 0;
}

.nav-logo {
  display: inline-flex;
  background: #ffffff;
  padding: 0.2rem 0.65rem;
  border-radius: 4px;
}

.nav-logo img { height: 48px; width: auto; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--nav-text);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}

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

.nav-phone {
  background: var(--accent);
  color: var(--nav-bg) !important;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  font-weight: 600 !important;
}

.nav-phone:hover { background: var(--accent-dark); color: var(--white) !important; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--nav-text);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero */
.hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  margin-top: 56px;
  overflow: hidden;
}

.hero-bg { position: absolute; inset: 0; }

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.88) 0%, rgba(0, 0, 0, 0.75) 50%, rgba(0, 188, 255, 0.25) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 4rem 0;
  color: var(--white);
  max-width: 740px;
}

.hero-eyebrow {
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 1rem;
}

.core-word {
  color: var(--accent);
  letter-spacing: 0.06em;
}

.hero-sub {
  font-size: 1.2rem;
  opacity: 0.92;
  margin-bottom: 2rem;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.btn {
  display: inline-block;
  padding: 0.85rem 1.75rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn:hover { transform: translateY(-2px); }

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

.btn-primary:hover {
  background: var(--accent-dark);
  color: var(--white);
  box-shadow: 0 6px 20px rgba(0, 188, 255, 0.35);
}

.btn-outline {
  border: 2px solid rgba(255, 255, 255, 0.8);
  color: var(--white);
}

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

/* Sections */
.section { padding: 5rem 0; }
.section-alt { background: #f7f9fb; }

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3rem;
}

.section-tag {
  display: inline-block;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.section-header h2 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--nav-bg);
  margin-bottom: 0.75rem;
}

.section-header p {
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* Highlight strip */
.strip {
  padding: 2.5rem 0;
  background: var(--nav-bg);
  color: var(--white);
}

.strip-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.strip strong {
  display: block;
  color: var(--accent);
  font-size: 1.05rem;
  margin-bottom: 0.35rem;
}

.strip p {
  color: #d0d0d0;
  font-size: 0.95rem;
}

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.card-grid.three {
  grid-template-columns: repeat(3, 1fr);
}

.card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  border: 1px solid rgba(0, 0, 0, 0.04);
  transition: transform 0.2s;
}

.card:hover { transform: translateY(-4px); }

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1rem;
}

.card-icon--green { background: rgba(57, 114, 34, 0.12); color: var(--green); }
.card-icon--blue { background: rgba(30, 115, 190, 0.12); color: var(--blue); }
.card-icon--red { background: rgba(221, 51, 51, 0.12); color: var(--red); }
.card-icon--accent { background: rgba(0, 188, 255, 0.12); color: var(--accent-dark); }

.card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
  color: var(--nav-bg);
}

.card p { color: var(--text-muted); font-size: 0.95rem; }

/* Split */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.split-reverse .split-image { order: 2; }
.split-reverse .split-text { order: 1; }

.split-image img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.split-text h2 {
  font-size: 2rem;
  color: var(--nav-bg);
  margin-bottom: 1rem;
}

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

.core-kicker {
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 0 !important;
}

.core-title {
  font-size: clamp(3rem, 8vw, 5rem) !important;
  letter-spacing: 0.12em;
  line-height: 0.9;
  margin: 0.2rem 0 0.6rem !important;
  color: var(--nav-bg);
}

.core-lead {
  font-size: 1.25rem;
  color: var(--text) !important;
  font-weight: 600;
}

.feature-list {
  list-style: none;
  margin: 1.5rem 0;
}

.feature-list li {
  padding: 0.5rem 0 0.5rem 1.75rem;
  position: relative;
  color: var(--text);
}

.feature-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

.store-badge {
  display: inline-block;
  background: var(--accent);
  color: var(--nav-bg);
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

/* Deploy */
.deploy-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.deploy-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid rgba(0, 0, 0, 0.04);
}

.deploy-card img,
.deploy-cloud {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.deploy-cloud {
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at 30% 40%, rgba(0, 188, 255, 0.35), transparent 50%),
    radial-gradient(circle at 70% 60%, rgba(30, 115, 190, 0.4), transparent 45%),
    #0b0b0b;
  color: var(--accent);
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.deploy-body { padding: 1.75rem 2rem 2rem; }

.deploy-body h3 {
  font-size: 1.4rem;
  margin-bottom: 0.75rem;
  color: var(--nav-bg);
}

.deploy-body p {
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

/* Dark capabilities */
.section-dark {
  background: var(--nav-bg);
  color: var(--white);
}

.section-dark .section-header h2 { color: var(--white); }
.section-dark .section-header p { color: #cfcfcf; }

.card-on-dark {
  background: #111;
  border: 1px solid rgba(0, 188, 255, 0.18);
  box-shadow: none;
}

.card-on-dark h3 { color: var(--accent); }
.card-on-dark p { color: #d8d8d8; }

/* Steps */
.steps {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.steps li {
  background: var(--white);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow);
  border-top: 3px solid var(--accent);
}

.step-num {
  display: block;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.12em;
  margin-bottom: 0.75rem;
}

.steps h3 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

.steps p { color: var(--text-muted); font-size: 0.95rem; }

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

.faq details {
  background: var(--white);
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin-bottom: 0.75rem;
}

.faq summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--nav-bg);
  list-style: none;
}

.faq summary::-webkit-details-marker { display: none; }

.faq summary::after {
  content: '+';
  float: right;
  color: var(--accent);
  font-weight: 700;
}

.faq details[open] summary::after { content: '–'; }

.faq details p {
  margin-top: 0.75rem;
  color: var(--text-muted);
}

/* CTA / contact */
.cta-band {
  background: linear-gradient(135deg, var(--accent) 0%, var(--blue) 100%);
  color: var(--white);
  text-align: center;
  padding: 4rem 2rem;
  border-radius: var(--radius);
}

.cta-band h2 {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.cta-band p { opacity: 0.92; margin-bottom: 1.5rem; }

.cta-band .btn-primary {
  background: var(--white);
  color: var(--nav-bg);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.contact-card {
  background: var(--white);
  padding: 1.75rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.contact-card h3 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.contact-card p, .contact-card a {
  font-size: 1.05rem;
  color: var(--text);
}

/* Footer */
.footer {
  background: var(--footer-bg);
  color: var(--footer-text);
  padding: 2.5rem 0;
  text-align: center;
  font-size: 0.9rem;
}

.footer-logo {
  height: 48px;
  width: auto;
  margin: 0 auto 1rem;
  background: #ffffff;
  padding: 0.35rem 0.75rem;
  border-radius: 4px;
}

.footer a { color: #ffffff; }
.footer-copy { margin-top: 0.5rem; font-size: 0.8rem; opacity: 0.7; }

/* Responsive */
@media (max-width: 900px) {
  .split,
  .deploy-grid,
  .strip-grid,
  .steps,
  .card-grid.three { grid-template-columns: 1fr; }
  .split-reverse .split-image { order: 0; }
  .split-reverse .split-text { order: 0; }
}

@media (max-width: 768px) {
  .nav-toggle { display: block; }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--nav-bg);
    flex-direction: column;
    padding: 1rem;
    gap: 0.75rem;
  }

  .nav-links.open { display: flex; }

  .hero { min-height: 78vh; }
}