/* ===== Design tokens ===== */
:root {
  --navy-900: #0a1733;
  --navy-800: #0f2147;
  --navy-700: #16305f;
  --blue-500: #2f6bff;
  --blue-400: #4f86ff;
  --cyan-400: #34d6e6;
  --ink: #0c1424;
  --slate-700: #334155;
  --slate-500: #64748b;
  --slate-400: #94a3b8;
  --line: #e6eaf2;
  --bg: #ffffff;
  --bg-soft: #f5f8ff;
  --white: #ffffff;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 2px rgba(10, 23, 51, .06), 0 4px 14px rgba(10, 23, 51, .05);
  --shadow-md: 0 10px 40px rgba(10, 23, 51, .12);
  --maxw: 1140px;
  --ease: cubic-bezier(.16, .84, .44, 1);
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; padding: 0; }
h1, h2, h3, h4, h5 { font-family: "Plus Jakarta Sans", "Inter", sans-serif; line-height: 1.2; letter-spacing: -.02em; }

.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: 24px; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-weight: 600; font-size: .98rem; padding: 13px 26px;
  border-radius: 999px; border: 1px solid transparent; cursor: pointer;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), background .2s, color .2s, border-color .2s;
  white-space: nowrap;
}
.btn-primary { background: linear-gradient(135deg, var(--blue-500), var(--blue-400)); color: #fff; box-shadow: 0 8px 24px rgba(47, 107, 255, .32); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(47, 107, 255, .42); }
.btn-ghost { background: rgba(255, 255, 255, .06); color: #fff; border-color: rgba(255, 255, 255, .28); }
.btn-ghost:hover { background: rgba(255, 255, 255, .14); transform: translateY(-2px); }
.btn-light { background: #fff; color: var(--navy-900); box-shadow: var(--shadow-md); }
.btn-light:hover { transform: translateY(-2px); }
.btn-block { width: 100%; }

/* ===== Header ===== */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .82);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, box-shadow .3s;
}
.site-header.scrolled { border-bottom-color: var(--line); box-shadow: var(--shadow-sm); }
.nav-bar { display: flex; align-items: center; justify-content: space-between; height: 72px; }

.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; }
.brand-mark { color: var(--blue-500); display: inline-flex; }
.brand-text { font-family: "Plus Jakarta Sans", sans-serif; font-size: 1.25rem; letter-spacing: .04em; color: var(--navy-900); }
.brand-light .brand-text { color: #fff; }
.brand-light .brand-mark { color: var(--cyan-400); }

.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a { font-weight: 500; color: var(--slate-700); font-size: .96rem; transition: color .2s; }
.nav-links a:hover { color: var(--blue-500); }
.btn-nav { color: #fff !important; padding: 10px 20px; font-size: .9rem; }

.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(--navy-900); border-radius: 2px; transition: .3s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Hero ===== */
.hero { position: relative; color: #fff; overflow: hidden; isolation: isolate; }
.hero-bg {
  position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(900px 500px at 78% -8%, rgba(52, 214, 230, .22), transparent 60%),
    radial-gradient(800px 600px at 8% 110%, rgba(47, 107, 255, .30), transparent 55%),
    linear-gradient(160deg, var(--navy-900), var(--navy-800) 55%, #0b1d40);
}
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(circle at 50% 30%, #000 30%, transparent 78%);
  -webkit-mask-image: radial-gradient(circle at 50% 30%, #000 30%, transparent 78%);
}
.hero-inner { padding: 96px 24px 104px; text-align: center; max-width: 880px; }
.eyebrow {
  display: inline-block; font-weight: 600; font-size: .82rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--cyan-400); margin-bottom: 18px;
}
.eyebrow.center { color: var(--blue-500); }
.hero-title { font-size: clamp(2.1rem, 5.2vw, 3.6rem); font-weight: 800; margin-bottom: 22px; }
.grad { display: block; background: linear-gradient(100deg, #6fa8ff, var(--cyan-400)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-sub { font-size: clamp(1rem, 1.4vw, 1.16rem); color: #c4d2ee; max-width: 680px; margin: 0 auto 34px; }
.hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: 56px; }
.stat {
  display: flex; flex-direction: column; gap: 2px; padding: 16px 26px;
  background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .12);
  border-radius: var(--radius-sm); min-width: 150px;
}
.stat-num { font-family: "Plus Jakarta Sans", sans-serif; font-size: 1.5rem; font-weight: 800; color: #fff; }
.stat-label { font-size: .82rem; color: var(--slate-400); }

/* ===== Trust strip ===== */
.trust { background: var(--navy-900); border-top: 1px solid rgba(255,255,255,.06); }
.trust-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 18px; padding: 20px 24px; }
.trust-inner span { color: #9fb2d6; font-weight: 600; font-size: .9rem; letter-spacing: .02em; }
.trust-inner i { width: 5px; height: 5px; border-radius: 50%; background: var(--blue-400); opacity: .7; }

/* ===== Sections ===== */
.section { padding: 92px 0; }
.section-alt { background: var(--bg-soft); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.section-head h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); color: var(--navy-900); margin-bottom: 16px; }
.section-lead { color: var(--slate-500); font-size: 1.05rem; }

/* ===== Cards ===== */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 34px 30px; box-shadow: var(--shadow-sm);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: #cfdcff; }
.card-icon {
  width: 54px; height: 54px; display: grid; place-items: center; font-size: 1.6rem;
  border-radius: 14px; background: linear-gradient(135deg, #eaf1ff, #f3f8ff);
  border: 1px solid #dde8ff; margin-bottom: 20px;
}
.card h3 { font-size: 1.2rem; color: var(--navy-900); margin-bottom: 10px; }
.card p { color: var(--slate-500); font-size: .98rem; }

/* ===== About ===== */
.about-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; }
.about-text h2 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); color: var(--navy-900); margin: 12px 0 20px; }
.about-text p { color: var(--slate-500); margin-bottom: 16px; }
.about-text em { color: var(--slate-700); font-style: normal; font-weight: 600; }
.check-list { margin-top: 24px; display: grid; gap: 12px; }
.check-list li { position: relative; padding-left: 34px; color: var(--slate-700); font-weight: 500; }
.check-list li::before {
  content: "✓"; position: absolute; left: 0; top: 1px;
  width: 22px; height: 22px; display: grid; place-items: center; font-size: .8rem; font-weight: 700;
  color: #fff; background: linear-gradient(135deg, var(--blue-500), var(--blue-400)); border-radius: 50%;
}
.about-aside { display: grid; gap: 16px; }
.value-card {
  background: #fff; border: 1px solid var(--line); border-left: 4px solid var(--blue-500);
  border-radius: var(--radius-sm); padding: 22px 24px; box-shadow: var(--shadow-sm);
}
.value-card h4 { color: var(--navy-900); font-size: 1.05rem; margin-bottom: 6px; }
.value-card p { color: var(--slate-500); font-size: .95rem; }

/* ===== Steps ===== */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: step; }
.step {
  position: relative; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 30px 26px; box-shadow: var(--shadow-sm);
}
.step-num {
  font-family: "Plus Jakarta Sans", sans-serif; font-size: 1.6rem; font-weight: 800;
  color: transparent; background: linear-gradient(135deg, var(--blue-500), var(--cyan-400));
  -webkit-background-clip: text; background-clip: text; display: block; margin-bottom: 14px;
}
.step h3 { font-size: 1.12rem; color: var(--navy-900); margin-bottom: 8px; }
.step p { color: var(--slate-500); font-size: .94rem; }

/* ===== Industries ===== */
.industries { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }
.industries span {
  background: #fff; border: 1px solid var(--line); border-radius: 999px;
  padding: 12px 22px; color: var(--slate-700); font-weight: 600; font-size: .95rem;
  box-shadow: var(--shadow-sm); transition: transform .2s, border-color .2s, color .2s;
}
.industries span:hover { transform: translateY(-3px); border-color: var(--blue-400); color: var(--blue-500); }

/* ===== CTA band ===== */
.cta-band { background: linear-gradient(135deg, var(--navy-800), var(--navy-900)); color: #fff; }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 56px 24px; flex-wrap: wrap; }
.cta-inner h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); margin-bottom: 8px; }
.cta-inner p { color: #c4d2ee; }

/* ===== Contact ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px; align-items: start; }
.contact-info h2 { font-size: clamp(1.7rem, 3vw, 2.3rem); color: var(--navy-900); margin: 12px 0 14px; }
.contact-list { margin-top: 30px; display: grid; gap: 22px; }
.contact-list li { display: flex; gap: 16px; align-items: flex-start; }
.ci-ico {
  flex: 0 0 auto; width: 46px; height: 46px; display: grid; place-items: center; font-size: 1.2rem;
  background: linear-gradient(135deg, #eaf1ff, #f3f8ff); border: 1px solid #dde8ff; border-radius: 12px;
}
.contact-list strong { display: block; color: var(--navy-900); margin-bottom: 2px; }
.contact-list p { color: var(--slate-500); font-size: .96rem; }
.contact-list a:hover { color: var(--blue-500); }

.contact-form {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 34px; box-shadow: var(--shadow-md);
}
.field { margin-bottom: 18px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field label { display: block; font-weight: 600; font-size: .9rem; color: var(--slate-700); margin-bottom: 7px; }
.field input, .field textarea {
  width: 100%; padding: 13px 16px; font: inherit; font-size: .96rem; color: var(--ink);
  background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius-sm);
  transition: border-color .2s, box-shadow .2s, background .2s;
}
.field input::placeholder, .field textarea::placeholder { color: var(--slate-400); }
.field input:focus, .field textarea:focus {
  outline: none; border-color: var(--blue-400); background: #fff;
  box-shadow: 0 0 0 4px rgba(47, 107, 255, .12);
}
.field textarea { resize: vertical; min-height: 110px; }
.form-note { margin-top: 14px; font-size: .92rem; text-align: center; min-height: 1.2em; }
.form-note.ok { color: #15803d; }
.form-note.err { color: #dc2626; }

/* ===== Footer ===== */
.site-footer { background: var(--navy-900); color: #b7c4de; padding-top: 64px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1.2fr 1.2fr .8fr; gap: 40px; padding-bottom: 48px; }
.footer-brand p { margin-top: 14px; font-size: .95rem; max-width: 320px; }
.footer-col h5 { color: #fff; font-size: .92rem; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 16px; }
.footer-col p, .footer-col a { display: block; font-size: .92rem; margin-bottom: 8px; color: #b7c4de; }
.footer-col a:hover, .footer-brand a:hover { color: #fff; }
.footer-col strong { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .08); padding: 22px 24px 30px;
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  font-size: .85rem; color: var(--slate-400);
}

/* ===== Reveal animation ===== */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ===== Responsive ===== */
@media (max-width: 960px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 720px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: absolute; top: 72px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 4px;
    background: #fff; border-bottom: 1px solid var(--line);
    padding: 14px 24px 22px; box-shadow: var(--shadow-md);
    transform: translateY(-12px); opacity: 0; pointer-events: none; transition: .25s var(--ease);
  }
  .nav-links.open { transform: none; opacity: 1; pointer-events: auto; }
  .nav-links a { padding: 12px 4px; border-bottom: 1px solid var(--line); }
  .nav-links a:last-child { border-bottom: 0; }
  .btn-nav { margin-top: 8px; }
  .section { padding: 68px 0; }
  .cta-inner { flex-direction: column; align-items: flex-start; text-align: left; }
}
@media (max-width: 520px) {
  .cards, .steps { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-inner { padding: 72px 24px 80px; }
  .stat { flex: 1 1 100%; }
}