:root {
  --bg-dark: #020617;
  --bg-dark-soft: #0f172a;
  --bg-light: #f8fafc;
  --white: #ffffff;
  --slate-100: #f1f5f9;
  --slate-200: #e2e8f0;
  --slate-300: #cbd5e1;
  --slate-400: #94a3b8;
  --slate-500: #64748b;
  --slate-600: #475569;
  --slate-700: #334155;
  --slate-800: #1e293b;
  --slate-900: #0f172a;
  --cyan: #22d3ee;
  --cyan-dark: #0891b2;
  --cyan-soft: rgba(34, 211, 238, 0.12);
  --emerald: #34d399;
  --radius-md: 20px;
  --radius-lg: 28px;
  --radius-xl: 36px;
  --shadow-sm: 0 10px 25px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 20px 50px rgba(15, 23, 42, 0.14);
  --shadow-cyan: 0 20px 50px rgba(34, 211, 238, 0.16);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--white);
  color: var(--slate-900);
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
.container { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.section { padding: 96px 0; }
.section-light { background: var(--bg-light); }
.section-white { background: var(--white); }
.section-dark { position: relative; overflow: hidden; background: var(--bg-dark); color: var(--white); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  padding: 8px 15px;
  border-radius: 999px;
  background: var(--cyan-soft);
  color: var(--cyan);
  font-size: 0.88rem;
  font-weight: 800;
  letter-spacing: 0.01em;
}
.eyebrow.dark-label { background: var(--slate-900); color: var(--cyan); }
.eyebrow.light-label { background: #ecfeff; color: #0e7490; }

h1, h2, h3, h4 { line-height: 1.05; letter-spacing: -0.04em; }
h1 { max-width: 900px; font-size: clamp(3.1rem, 7vw, 6.4rem); font-weight: 950; }
h2 { font-size: clamp(2.25rem, 4.5vw, 4rem); font-weight: 950; }
h3 { font-size: 1.35rem; font-weight: 900; }
.lead { max-width: 760px; margin-top: 24px; color: var(--slate-600); font-size: 1.13rem; line-height: 1.8; }
.section-dark .lead, .section-dark p { color: var(--slate-300); }

.buttons { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 50px;
  padding: 14px 22px;
  border-radius: 18px;
  font-size: 0.95rem;
  font-weight: 900;
  transition: transform 180ms ease, background 180ms ease, border 180ms ease, color 180ms ease;
  cursor: pointer;
}
.btn-primary { border: 1px solid var(--cyan); background: var(--cyan); color: var(--bg-dark); box-shadow: var(--shadow-cyan); }
.btn-primary:hover { transform: translateY(-2px); background: #67e8f9; }
.btn-secondary { border: 1px solid rgba(255, 255, 255, 0.16); background: rgba(255, 255, 255, 0.06); color: var(--white); }
.btn-secondary:hover { transform: translateY(-2px); border-color: rgba(34, 211, 238, 0.55); background: rgba(255, 255, 255, 0.11); }
.btn-light { border: 1px solid var(--slate-200); background: var(--white); color: var(--slate-900); }
.btn-light:hover { transform: translateY(-2px); border-color: var(--cyan); }

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(2, 6, 23, 0.88);
  color: var(--white);
  backdrop-filter: blur(18px);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 78px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-logo { display: block; width: 210px; max-height: 58px; object-fit: contain; }
.nav-links { display: flex; align-items: center; gap: 24px; }
.nav-links a { color: var(--slate-300); font-size: 0.9rem; font-weight: 750; transition: color 180ms ease; }
.nav-links a:hover, .nav-links a.active { color: var(--cyan); }
.desktop-cta { display: flex; align-items: center; gap: 14px; }
.nav .btn { min-height: 40px; padding: 9px 15px; border-radius: 14px; font-size: 0.84rem; box-shadow: 0 10px 24px rgba(34, 211, 238, 0.12); }
.mobile-toggle { display: none; width: 44px; height: 44px; border: 1px solid rgba(255, 255, 255, 0.16); border-radius: 14px; background: transparent; color: var(--white); cursor: pointer; }
.mobile-menu { display: none; border-top: 1px solid rgba(255, 255, 255, 0.1); padding: 18px 0 24px; }
.mobile-menu a { display: block; padding: 12px 0; color: var(--slate-200); font-weight: 800; }
.mobile-menu.open { display: block; }
.mobile-call-link { margin-top: 10px; color: var(--cyan) !important; font-weight: 950 !important; }

.hero {
  position: relative;
  overflow: hidden;
  min-height: calc(100vh - 78px);
  padding: 110px 0 96px;
  background: radial-gradient(circle at 50% 0%, rgba(34, 211, 238, 0.15), transparent 42%), var(--bg-dark);
  color: var(--white);
}
.hero::after { content: ""; position: absolute; right: -140px; bottom: -160px; width: 520px; height: 520px; border-radius: 999px; background: rgba(37, 99, 235, 0.16); filter: blur(70px); }
.hero-grid { position: relative; z-index: 1; display: grid; align-items: center; gap: 60px; grid-template-columns: 1.1fr 0.9fr; }
.hero-tagline { margin-bottom: 16px; color: var(--cyan); font-size: 1rem; font-weight: 850; letter-spacing: 0.01em; text-transform: uppercase; }
.hero-title { display: flex; flex-direction: column; gap: 8px; max-width: 760px; line-height: 1.05; letter-spacing: -0.04em; }
.hero-title-main { display: block; color: var(--white); font-size: clamp(2.45rem, 5vw, 4.5rem); font-weight: 950; }
.hero-title-sub { display: block; color: var(--slate-300); font-size: clamp(1.35rem, 2.6vw, 2.15rem); font-weight: 800; letter-spacing: -0.02em; }
.hero p { max-width: 760px; margin-top: 28px; color: var(--slate-300); font-size: 1.22rem; line-height: 1.8; }
.stats { display: grid; gap: 14px; grid-template-columns: repeat(3, 1fr); margin-top: 46px; }
.stat-card { padding: 22px; border: 1px solid rgba(255, 255, 255, 0.1); border-radius: var(--radius-md); background: rgba(255, 255, 255, 0.045); }
.stat-card strong { display: block; color: var(--white); font-size: 1.45rem; font-weight: 950; line-height: 1.1; }
.stat-card span { display: block; margin-top: 8px; color: var(--slate-400); font-size: 0.9rem; }
.command-card { border: 1px solid rgba(255, 255, 255, 0.1); border-radius: var(--radius-xl); background: rgba(255, 255, 255, 0.055); padding: 20px; box-shadow: 0 30px 80px rgba(8, 145, 178, 0.15); backdrop-filter: blur(16px); }
.command-inner { border: 1px solid rgba(255, 255, 255, 0.1); border-radius: 26px; background: var(--slate-900); padding: 28px; }
.command-header { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-bottom: 22px; border-bottom: 1px solid rgba(255, 255, 255, 0.1); }
.command-kicker { color: var(--cyan); font-size: 0.9rem; font-weight: 800; }
.command-title { margin-top: 6px; color: var(--white); font-size: 1.65rem; font-weight: 950; letter-spacing: -0.03em; }
.status-badge { display: grid; flex: 0 0 auto; width: 52px; height: 52px; place-items: center; border-radius: 18px; background: rgba(52, 211, 153, 0.12); color: var(--emerald); font-size: 1.35rem; }
.command-list { display: grid; gap: 15px; margin-top: 24px; }
.command-item { display: flex; gap: 15px; padding: 17px; border: 1px solid rgba(255, 255, 255, 0.1); border-radius: 20px; background: rgba(255, 255, 255, 0.035); }
.dot { width: 11px; height: 11px; flex: 0 0 auto; margin-top: 8px; border-radius: 999px; background: var(--cyan); }
.command-item strong { display: block; color: var(--white); font-weight: 900; }
.command-item span { display: block; margin-top: 4px; color: var(--slate-400); font-size: 0.92rem; line-height: 1.55; }

.two-column { display: grid; align-items: center; gap: 54px; grid-template-columns: 0.9fr 1.1fr; }
.problem-grid, .use-grid { display: grid; gap: 16px; grid-template-columns: repeat(2, 1fr); }
.check-card { min-height: 154px; padding: 26px; border: 1px solid var(--slate-200); border-radius: var(--radius-lg); background: var(--white); box-shadow: var(--shadow-sm); }
.check-icon { display: inline-grid; width: 28px; height: 28px; place-items: center; border-radius: 999px; background: var(--cyan); color: var(--bg-dark); font-size: 0.9rem; font-weight: 950; }
.check-card p { margin-top: 16px; color: var(--slate-800); font-weight: 800; line-height: 1.55; }
.section-header { max-width: 780px; }
.services-grid { display: grid; gap: 24px; grid-template-columns: repeat(4, 1fr); margin-top: 56px; }
.service-card { display: flex; min-height: 390px; flex-direction: column; padding: 28px; border: 1px solid var(--slate-200); border-radius: var(--radius-lg); background: var(--white); box-shadow: var(--shadow-sm); transition: transform 180ms ease, box-shadow 180ms ease, border 180ms ease; }
.service-card:hover { transform: translateY(-5px); border-color: rgba(34, 211, 238, 0.55); box-shadow: 0 24px 60px rgba(8, 145, 178, 0.14); }
.icon-box { display: grid; width: 58px; height: 58px; place-items: center; border-radius: 20px; background: var(--bg-dark); color: var(--cyan); font-size: 1.55rem; font-weight: 950; }
.service-card h3 { margin-top: 24px; }
.service-card p { margin-top: 14px; color: var(--slate-600); font-size: 0.96rem; line-height: 1.7; }
.service-card .text-link { margin-top: auto; padding-top: 22px; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: auto; padding-top: 22px; }
.tag { border-radius: 999px; background: var(--slate-100); color: var(--slate-700); padding: 6px 10px; font-size: 0.75rem; font-weight: 800; }
.ai-grid { display: grid; align-items: center; gap: 54px; grid-template-columns: 0.95fr 1.05fr; }
.use-card { min-height: 130px; padding: 24px; border: 1px solid rgba(255, 255, 255, 0.1); border-radius: var(--radius-lg); background: rgba(255, 255, 255, 0.045); }
.use-card span { display: block; color: var(--cyan); font-size: 1.45rem; }
.use-card strong { display: block; margin-top: 16px; color: var(--white); font-size: 1.02rem; line-height: 1.45; }
.security-grid, .industries-grid, .resource-grid, .power-grid { display: grid; gap: 24px; grid-template-columns: repeat(3, 1fr); margin-top: 56px; }
.feature-card, .resource-card, .industry-card, .power-card { padding: 34px; border: 1px solid var(--slate-200); border-radius: var(--radius-lg); background: var(--white); box-shadow: var(--shadow-sm); }
.feature-card .icon-box { background: #ecfeff; color: var(--cyan-dark); }
.feature-card h3, .resource-card h3, .industry-card h3, .power-card h3 { margin-top: 22px; font-size: 1.45rem; }
.feature-card p, .resource-card p, .industry-card p, .power-card p { margin-top: 14px; color: var(--slate-600); }
.industry-card { background: var(--bg-light); transition: transform 180ms ease, background 180ms ease, box-shadow 180ms ease; }
.industry-card:hover { transform: translateY(-5px); background: var(--white); box-shadow: var(--shadow-md); }
.industry-icon { color: var(--cyan-dark); font-size: 1.9rem; }
.approach-grid { display: grid; gap: 54px; grid-template-columns: 0.8fr 1.2fr; }
.steps { display: grid; gap: 16px; }
.step-card { display: grid; gap: 22px; grid-template-columns: 72px 1fr; padding: 26px; border: 1px solid rgba(255, 255, 255, 0.1); border-radius: var(--radius-lg); background: rgba(255, 255, 255, 0.045); }
.step-number { display: grid; width: 58px; height: 58px; place-items: center; border-radius: 20px; background: var(--cyan); color: var(--bg-dark); font-size: 1.2rem; font-weight: 950; }
.step-card h3 { color: var(--white); font-size: 1.55rem; }
.about-card { border-radius: var(--radius-xl); background: var(--bg-dark); padding: 32px; color: var(--white); box-shadow: var(--shadow-md); }
.about-inner { border: 1px solid rgba(255, 255, 255, 0.1); border-radius: 28px; background: rgba(255, 255, 255, 0.045); padding: 30px; }
.about-inner .large-icon { color: var(--cyan); font-size: 2.4rem; }
.about-inner h3 { margin-top: 24px; font-size: 2rem; color: var(--white); }
.about-inner p { margin-top: 18px; color: var(--slate-300); }
.text-link { display: inline-flex; align-items: center; gap: 8px; color: var(--cyan-dark); font-size: 0.95rem; font-weight: 950; }
.text-link:hover { text-decoration: underline; text-underline-offset: 4px; }

.service-hero { padding: 100px 0 72px; background: radial-gradient(circle at 50% 0%, rgba(34, 211, 238, 0.15), transparent 40%), var(--bg-dark); color: var(--white); }
.service-hero h1 { font-size: clamp(2.5rem, 5vw, 4.8rem); }
.breadcrumbs { margin-bottom: 22px; color: var(--slate-400); font-size: 0.9rem; font-weight: 700; }
.breadcrumbs a { color: var(--cyan); }
.detail-grid { display: grid; gap: 28px; grid-template-columns: 1fr 360px; align-items: start; }
.content-panel { padding: 36px; border: 1px solid var(--slate-200); border-radius: var(--radius-lg); background: var(--white); box-shadow: var(--shadow-sm); }
.content-panel + .content-panel { margin-top: 24px; }
.content-panel h2 { font-size: clamp(1.8rem, 3vw, 2.5rem); }
.content-panel h3 { margin-top: 26px; }
.content-panel p, .content-panel li { color: var(--slate-600); font-size: 1rem; line-height: 1.8; }
.content-panel p { margin-top: 16px; }
.content-panel ul { margin-top: 18px; padding-left: 22px; }
.content-panel li + li { margin-top: 10px; }
.sidebar-card { position: sticky; top: 104px; padding: 28px; border-radius: var(--radius-lg); background: var(--bg-dark); color: var(--white); box-shadow: var(--shadow-md); }
.sidebar-card p { color: var(--slate-300); margin-top: 14px; }
.sidebar-card .btn { margin-top: 24px; width: 100%; }
.service-list { display: grid; gap: 12px; margin-top: 22px; }
.service-list a { padding: 12px 14px; border-radius: 14px; background: rgba(255,255,255,0.06); color: var(--slate-200); font-weight: 800; }
.service-list a:hover, .service-list a.active { color: var(--cyan); background: rgba(34,211,238,0.12); }

.contact-grid { display: grid; align-items: start; gap: 54px; grid-template-columns: 0.9fr 1.1fr; }
.check-list { display: grid; gap: 14px; margin-top: 26px; }
.check-list li { display: flex; align-items: center; gap: 12px; color: var(--slate-300); list-style: none; }
.contact-form { border: 1px solid rgba(255, 255, 255, 0.1); border-radius: var(--radius-xl); background: rgba(255, 255, 255, 0.055); padding: 28px; box-shadow: 0 30px 80px rgba(8, 145, 178, 0.12); }
.form-grid { display: grid; gap: 18px; grid-template-columns: repeat(2, 1fr); }
.form-group { display: grid; gap: 8px; }
.form-group.full { grid-column: 1 / -1; }
.form-group label { color: var(--slate-200); font-size: 0.9rem; font-weight: 850; }
input, select, textarea { width: 100%; border: 1px solid rgba(255, 255, 255, 0.12); border-radius: 18px; background: var(--slate-900); color: var(--white); padding: 14px 15px; font: inherit; outline: none; transition: border 160ms ease, box-shadow 160ms ease; }
input:focus, select:focus, textarea:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.18); }
textarea { min-height: 130px; resize: vertical; }
.form-note { margin-top: 16px; color: var(--slate-400); text-align: center; font-size: 0.82rem; line-height: 1.55; }
.direct-contact-note { margin-top: 22px; padding-top: 18px; border-top: 1px solid rgba(255, 255, 255, 0.1); color: var(--slate-400); text-align: center; font-size: 0.86rem; line-height: 1.7; }
.direct-contact-note strong { color: var(--slate-200); font-weight: 850; }
.direct-contact-note a { color: var(--cyan); font-weight: 850; }
.direct-contact-note a:hover { color: #67e8f9; text-decoration: underline; text-underline-offset: 4px; }

.footer { border-top: 1px solid rgba(255, 255, 255, 0.1); background: var(--bg-dark); color: var(--white); padding: 34px 0; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.footer-brand { display: flex; flex-direction: column; align-items: flex-start; text-align: left; }
.footer-logo { display: block; width: 220px; max-height: 70px; object-fit: contain; object-position: left center; margin: 0 0 10px 0; }
.footer-subtitle { margin-top: 5px; color: var(--slate-400); font-size: 0.9rem; }
.footer-subtitle a { color: var(--slate-400); }
.footer-subtitle a:hover { color: var(--cyan); text-decoration: underline; text-underline-offset: 4px; }
.footer-social { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 12px; color: var(--slate-400); font-size: 0.88rem; font-weight: 800; }
.footer-social span { color: var(--slate-300); }
.footer-social a { display: inline-flex; align-items: center; justify-content: center; border: 1px solid rgba(255, 255, 255, 0.12); border-radius: 999px; padding: 6px 10px; color: var(--slate-300); transition: color 180ms ease, border 180ms ease, background 180ms ease; }
.footer-social a:hover { border-color: rgba(34, 211, 238, 0.45); background: rgba(34, 211, 238, 0.08); color: var(--cyan); }
.footer-links { display: flex; flex-wrap: wrap; gap: 18px; color: var(--slate-400); font-size: 0.92rem; font-weight: 800; }
.footer-links a:hover { color: var(--cyan); }

@media (max-width: 1080px) {
  .nav-links, .nav .desktop-cta { display: none; }
  .mobile-toggle { display: grid; place-items: center; }
  .hero-grid, .two-column, .ai-grid, .approach-grid, .contact-grid, .detail-grid { grid-template-columns: 1fr; }
  .sidebar-card { position: static; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .security-grid, .industries-grid, .resource-grid, .power-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
  .container { width: min(100% - 28px, 1180px); }
  .section, .hero, .service-hero { padding: 72px 0; }
  .brand-logo { width: 175px; max-height: 52px; }
  .footer-logo { width: 190px; }
  .stats, .problem-grid, .services-grid, .use-grid, .security-grid, .industries-grid, .resource-grid, .power-grid, .form-grid { grid-template-columns: 1fr; }
  .step-card { grid-template-columns: 1fr; }
  .footer-inner { align-items: flex-start; flex-direction: column; }
  .buttons { flex-direction: column; }
  .btn { width: 100%; }
}
