:root {
  --primary: #0b5cff;
  --primary-dark: #0942bf;
  --accent: #00c2b8;
  --ink: #0f1729;
  --muted: #5b6577;
  --bg: #ffffff;
  --bg-alt: #f5f8ff;
  --border: #e3e9f2;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(15, 23, 41, 0.08);
  --shadow-lg: 0 20px 50px rgba(11, 92, 255, 0.15);
  --max: 1160px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 20px; }

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 1000;
  background: var(--primary); color: #fff; padding: 10px 16px; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.25rem; }
.brand-accent { color: var(--primary); }
.nav { display: flex; align-items: center; gap: 28px; }
.nav a { font-weight: 500; color: var(--muted); transition: color .2s; }
.nav a:hover { color: var(--ink); }
.nav .nav-cta {
  background: var(--primary); color: #fff; padding: 10px 20px; border-radius: 10px; font-weight: 600;
}
.nav .nav-cta:hover { background: var(--primary-dark); color: #fff; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--ink); border-radius: 2px; transition: .3s; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block; padding: 14px 26px; border-radius: 12px; font-weight: 600;
  transition: transform .15s, box-shadow .2s, background .2s; cursor: pointer; border: 0;
}
.btn-primary { background: var(--primary); color: #fff; box-shadow: var(--shadow-lg); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--ink); border: 1.5px solid var(--border); }
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background: radial-gradient(1200px 500px at 80% -10%, rgba(11,92,255,.12), transparent 60%),
              linear-gradient(180deg, #fbfcff, #ffffff);
  padding: 84px 0 72px;
}
.hero-inner { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.eyebrow { color: var(--primary); font-weight: 700; text-transform: uppercase; letter-spacing: .08em; font-size: .82rem; margin-bottom: 14px; }
.hero h1 { font-size: clamp(2rem, 4.5vw, 3.4rem); line-height: 1.1; font-weight: 800; letter-spacing: -.02em; }
.grad { background: linear-gradient(90deg, var(--primary), var(--accent)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { color: var(--muted); font-size: 1.1rem; margin: 20px 0 30px; max-width: 560px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats { list-style: none; display: flex; gap: 34px; margin-top: 42px; flex-wrap: wrap; }
.hero-stats li { display: flex; flex-direction: column; }
.hero-stats strong { font-size: 1.6rem; color: var(--primary); }
.hero-stats span { color: var(--muted); font-size: .9rem; }

.hero-visual { position: relative; min-height: 320px; }
.hero-visual .glow {
  position: absolute; inset: 10% 5%; border-radius: 30px;
  background: linear-gradient(135deg, rgba(11,92,255,.9), rgba(0,194,184,.85));
  filter: blur(2px); box-shadow: var(--shadow-lg);
}
.hero-card {
  position: absolute; background: #fff; border-radius: 14px; padding: 14px 18px; font-weight: 700;
  box-shadow: var(--shadow); border: 1px solid var(--border); animation: float 4s ease-in-out infinite;
}
.card-1 { top: 12%; left: 4%; }
.card-2 { top: 46%; right: 6%; animation-delay: .8s; }
.card-3 { bottom: 10%; left: 18%; animation-delay: 1.6s; }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }

/* ---------- Sections ---------- */
.section { padding: 80px 0; }
.section-alt { background: var(--bg-alt); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 48px; }
.section-head h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); font-weight: 800; letter-spacing: -.02em; }
.section-sub { color: var(--muted); margin-top: 12px; }

.grid { display: grid; gap: 24px; }
.services-grid { grid-template-columns: repeat(3, 1fr); }
.why-grid { grid-template-columns: repeat(4, 1fr); }

.card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 30px 26px; box-shadow: var(--shadow); transition: transform .2s, box-shadow .2s, border-color .2s;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(11,92,255,.35); }
.card .ic {
  width: 54px; height: 54px; border-radius: 14px; display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; font-weight: 800; margin-bottom: 18px;
  background: linear-gradient(135deg, rgba(11,92,255,.12), rgba(0,194,184,.14)); color: var(--primary);
}
.card h3 { font-size: 1.15rem; margin-bottom: 10px; }
.card p { color: var(--muted); }

/* ---------- About ---------- */
.about-inner { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.about-text h2 { margin: 10px 0 18px; font-size: clamp(1.6rem, 3vw, 2.3rem); }
.about-text p { color: var(--muted); margin-bottom: 14px; }
.checklist { list-style: none; margin-top: 18px; display: grid; gap: 10px; }
.checklist li { position: relative; padding-left: 30px; font-weight: 500; }
.checklist li::before {
  content: "✓"; position: absolute; left: 0; top: 0; width: 20px; height: 20px; border-radius: 50%;
  background: var(--primary); color: #fff; font-size: .75rem; display: flex; align-items: center; justify-content: center;
}
.info-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow); }
.info-card h3 { margin-bottom: 18px; }
.info-card dl { display: grid; grid-template-columns: 1fr 1.4fr; gap: 12px 16px; }
.info-card dt { color: var(--muted); font-weight: 500; }
.info-card dd { font-weight: 600; }

/* ---------- Contact ---------- */
.contact-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.contact-text h2 { margin: 10px 0 14px; font-size: clamp(1.6rem, 3vw, 2.3rem); }
.contact-text p { color: var(--muted); }
.contact-list { list-style: none; margin-top: 24px; display: grid; gap: 14px; }
.contact-list li { display: flex; align-items: center; gap: 12px; font-weight: 500; }
.contact-list a { color: var(--primary); }
.contact-list .ci {
  width: 38px; height: 38px; flex: 0 0 38px; border-radius: 10px; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, rgba(11,92,255,.12), rgba(0,194,184,.14)); color: var(--primary);
}
.hero-card { display: flex; align-items: center; gap: 8px; }
.hero-card svg { flex: 0 0 18px; }
.contact-form { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow); }
.field { margin-bottom: 18px; }
.field label { display: block; font-weight: 600; margin-bottom: 8px; font-size: .92rem; }
.field input, .field textarea {
  width: 100%; padding: 13px 15px; border: 1.5px solid var(--border); border-radius: 10px;
  font: inherit; color: var(--ink); background: #fbfcff; transition: border-color .2s, box-shadow .2s;
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(11,92,255,.15); }
.form-note { margin-top: 14px; font-weight: 600; font-size: .92rem; }
.form-note.ok { color: #0a8f52; }
.form-note.err { color: #d33; }

/* ---------- Footer ---------- */
.site-footer { background: var(--ink); color: #cdd5e4; padding-top: 60px; }
.footer-inner { display: grid; grid-template-columns: 1.6fr 1fr 1.2fr; gap: 40px; padding-bottom: 44px; align-items: start; }
.footer-brand { display: grid; gap: 14px; align-content: start; }
.footer-brand .brand { gap: 12px; }
.footer-brand .brand-text { color: #fff; font-weight: 800; font-size: 1.25rem; }
.footer-brand img { border-radius: 50%; background: #fff; padding: 4px; box-shadow: 0 0 0 1px rgba(255,255,255,.15); }
.footer-brand p { color: #9aa6bd; max-width: 280px; line-height: 1.6; }
.footer-col-title { color: #fff; font-weight: 700; font-size: .82rem; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 18px; }
.footer-nav { display: grid; gap: 12px; align-content: start; }
.footer-nav a { color: #cdd5e4; transition: color .2s; width: fit-content; }
.footer-nav a:hover { color: #fff; }
.footer-info { display: grid; gap: 8px; align-content: start; }
.footer-info p { color: #9aa6bd; }
.footer-info strong { color: #fff; font-weight: 600; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 20px 0; }
.footer-bottom p { color: #8b96ad; font-size: .9rem; text-align: center; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-inner, .about-inner, .contact-inner { grid-template-columns: 1fr; }
  .hero-visual { min-height: 260px; order: -1; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .nav {
    position: fixed; inset: 72px 0 auto 0; flex-direction: column; gap: 0;
    background: #fff; border-bottom: 1px solid var(--border); padding: 12px 20px 20px;
    transform: translateY(-140%); transition: transform .3s; box-shadow: var(--shadow);
  }
  .nav.open { transform: translateY(0); }
  .nav a { width: 100%; padding: 14px 4px; border-bottom: 1px solid var(--border); }
  .nav .nav-cta { text-align: center; margin-top: 10px; }
  .nav-toggle { display: flex; }
  .nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.active span:nth-child(2) { opacity: 0; }
  .nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

@media (max-width: 560px) {
  .section { padding: 60px 0; }
  .services-grid, .why-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .hero-stats { gap: 22px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; scroll-behavior: auto !important; }
}