/* ===== Design tokens ===== */
:root {
  --bg:        #0b0d10;
  --bg-alt:    #10141a;
  --surface:   #151b23;
  --surface-2: #1b222c;
  --line:      rgba(255,255,255,.08);
  --line-2:    rgba(255,255,255,.14);
  --text:      #eef2f6;
  --muted:     #9aa7b5;
  --muted-2:   #6c7885;
  --accent:    #35c2f5;
  --accent-2:  #2f7bff;
  --accent-soft: rgba(53,194,245,.12);
  --grad: linear-gradient(120deg, #35c2f5, #2f7bff);
  --radius: 16px;
  --radius-sm: 12px;
  --shadow: 0 20px 50px -20px rgba(0,0,0,.6);
  --maxw: 1140px;
  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --display: 'Sora', var(--font);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  font-family: var(--display); font-weight: 600; font-size: .95rem;
  padding: 12px 22px; border-radius: 999px; cursor: pointer;
  border: 1px solid transparent; transition: transform .18s ease, box-shadow .25s ease, background .2s, border-color .2s;
  white-space: nowrap;
}
.btn-primary { background: var(--grad); color: #04121c; box-shadow: 0 10px 30px -10px rgba(47,123,255,.6); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 40px -12px rgba(47,123,255,.7); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--line-2); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }
.btn-lg { padding: 15px 30px; font-size: 1rem; }
.btn-block { width: 100%; }

/* ===== Header ===== */
.site-header {
  position: sticky; top: 0; z-index: 60;
  backdrop-filter: blur(14px);
  background: rgba(11,13,16,.72);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, background .3s;
}
.site-header.scrolled { border-bottom-color: var(--line); background: rgba(11,13,16,.9); }
.nav { display: flex; align-items: center; gap: 22px; height: 72px; }
.brand { display: flex; align-items: center; gap: 12px; margin-right: auto; }
.brand-mark { width: 34px; height: auto; filter: drop-shadow(0 2px 6px rgba(0,0,0,.5)); }
.brand-name { font-family: var(--display); font-weight: 800; font-size: 1.15rem; letter-spacing: -.02em; }
.brand-name span { color: var(--accent); }
.nav-links { display: flex; gap: 28px; }
.nav-links a { font-size: .93rem; color: var(--muted); font-weight: 500; transition: color .2s; }
.nav-links a:hover { color: var(--text); }
.nav-cta { padding: 10px 20px; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 6px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: .3s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none; flex-direction: column; gap: 4px; padding: 0 24px;
  max-height: 0; overflow: hidden; transition: max-height .35s ease, padding .35s ease;
  background: rgba(11,13,16,.98); border-bottom: 1px solid var(--line);
}
.mobile-menu.open { max-height: 420px; padding: 12px 24px 22px; }
.mobile-menu a { padding: 12px 4px; color: var(--muted); font-weight: 500; border-bottom: 1px solid var(--line); }
.mobile-menu a.btn { border: 0; margin-top: 12px; color: #04121c; }

/* ===== Hero ===== */
.hero { position: relative; overflow: hidden; padding: clamp(90px, 14vw, 160px) 0 clamp(70px, 9vw, 110px); }
.hero-glow {
  position: absolute; top: -30%; left: 50%; transform: translateX(-50%);
  width: 900px; height: 900px; border-radius: 50%;
  background: radial-gradient(circle, rgba(47,123,255,.22), transparent 62%);
  filter: blur(20px); pointer-events: none;
}
.hero-grid-bg {
  position: absolute; inset: 0;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 30%, transparent 75%);
  opacity: .5;
}
.hero-inner { position: relative; text-align: center; max-width: 860px; margin: 0 auto; }
.eyebrow {
  display: inline-block; font-family: var(--display); font-weight: 600; font-size: .8rem;
  letter-spacing: .08em; text-transform: uppercase; color: var(--accent);
  background: var(--accent-soft); border: 1px solid rgba(53,194,245,.25);
  padding: 7px 16px; border-radius: 999px; margin-bottom: 26px;
}
.hero h1 {
  font-family: var(--display); font-weight: 800; letter-spacing: -.03em;
  font-size: clamp(2.6rem, 7vw, 5rem); line-height: 1.02; margin-bottom: 22px;
}
.hero h1 .accent {
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-sub { font-size: clamp(1.05rem, 2.2vw, 1.28rem); color: var(--muted); max-width: 640px; margin: 0 auto 34px; }
.hero-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.hero-tagline { margin-top: 30px; font-family: var(--display); font-style: italic; color: var(--muted-2); letter-spacing: .02em; }

/* ===== Trust bar ===== */
.trustbar { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--bg-alt); }
.trustbar-inner { display: grid; grid-template-columns: repeat(4, 1fr); }
.trust-item { padding: 26px 20px; text-align: center; border-right: 1px solid var(--line); }
.trust-item:last-child { border-right: 0; }
.trust-item strong { display: block; font-family: var(--display); font-size: 1.5rem; color: var(--accent); letter-spacing: -.02em; }
.trust-item span { font-size: .85rem; color: var(--muted); }

/* ===== Sections ===== */
.section { padding: clamp(70px, 10vw, 120px) 0; }
.section-alt { background: var(--bg-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 56px; }
.section-tag {
  display: inline-block; font-family: var(--display); font-weight: 600; font-size: .78rem;
  letter-spacing: .12em; text-transform: uppercase; color: var(--accent); margin-bottom: 14px;
}
.section-head h2, .why-copy h2, .about-copy h2, .contact-copy h2 {
  font-family: var(--display); font-weight: 800; letter-spacing: -.025em;
  font-size: clamp(1.9rem, 4vw, 2.9rem); line-height: 1.1; margin-bottom: 16px;
}
.section-head p { color: var(--muted); font-size: 1.08rem; }

/* ===== Service cards ===== */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 26px; transition: transform .25s ease, border-color .25s, background .25s;
  position: relative; overflow: hidden;
}
.card::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px;
  background: var(--grad); opacity: 0;
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude; transition: opacity .3s;
}
.card:hover { transform: translateY(-6px); background: var(--surface-2); }
.card:hover::before { opacity: 1; }
.card-icon {
  width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center;
  background: var(--accent-soft); color: var(--accent); margin-bottom: 20px;
}
.card-icon svg { width: 26px; height: 26px; }
.card h3 { font-family: var(--display); font-weight: 700; font-size: 1.18rem; margin-bottom: 10px; letter-spacing: -.01em; }
.card p { color: var(--muted); font-size: .96rem; }
.card-cta { background: linear-gradient(160deg, rgba(47,123,255,.16), rgba(53,194,245,.06)); border-color: rgba(53,194,245,.3); display: flex; flex-direction: column; align-items: flex-start; justify-content: center; }
.card-cta .btn { margin-top: 16px; }

/* ===== Why ===== */
.why-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 60px; align-items: center; }
.lead { font-size: 1.12rem; color: var(--muted); margin-bottom: 24px; }
.checklist { list-style: none; display: flex; flex-direction: column; gap: 14px; margin-bottom: 30px; }
.checklist li { position: relative; padding-left: 34px; color: var(--text); }
.checklist li::before {
  content: ""; position: absolute; left: 0; top: 3px; width: 20px; height: 20px; border-radius: 50%;
  background: var(--accent-soft); border: 1px solid rgba(53,194,245,.4);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2335c2f5' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: center;
}
.why-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.stat { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 24px; }
.stat strong { display: block; font-family: var(--display); font-weight: 800; font-size: 1.7rem; letter-spacing: -.02em; line-height: 1; margin-bottom: 12px; }
.stat strong span { color: var(--accent); }
.stat p { color: var(--muted); font-size: .9rem; }

/* ===== Process ===== */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.step { position: relative; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 34px 28px; }
.step-num { font-family: var(--display); font-weight: 800; font-size: 2.4rem; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; display: block; margin-bottom: 14px; }
.step h3 { font-family: var(--display); font-weight: 700; font-size: 1.25rem; margin-bottom: 10px; }
.step p { color: var(--muted); }

/* ===== About ===== */
.about-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 60px; align-items: center; }
.about-mark { display: grid; place-items: center; }
.about-mark img {
  width: min(260px, 70%);
  filter: drop-shadow(0 24px 60px rgba(47,123,255,.28));
  animation: float 6s ease-in-out infinite;
}
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-14px); } }
.about-copy p { color: var(--muted); margin-bottom: 16px; }
.about-copy strong { color: var(--text); }
.about-copy blockquote {
  margin-top: 24px; padding: 18px 24px; border-left: 3px solid var(--accent);
  background: var(--surface); border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-family: var(--display); font-style: italic; font-size: 1.1rem; color: var(--text);
}

/* ===== Contact ===== */
.contact { position: relative; }
.contact-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.contact-copy p { color: var(--muted); font-size: 1.08rem; margin-bottom: 30px; }
.contact-methods { display: flex; flex-direction: column; gap: 14px; }
.contact-item { display: flex; align-items: center; gap: 16px; padding: 14px 16px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface); transition: border-color .2s, transform .2s; }
a.contact-item:hover { border-color: var(--accent); transform: translateX(4px); }
.ci-icon { width: 44px; height: 44px; flex: none; border-radius: 12px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent); }
.ci-icon svg { width: 22px; height: 22px; }
.contact-item span:last-child { display: flex; flex-direction: column; font-family: var(--display); font-weight: 600; word-break: break-word; }
.contact-item small { font-family: var(--font); font-weight: 500; color: var(--muted-2); font-size: .76rem; text-transform: uppercase; letter-spacing: .06em; }

.contact-form { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; box-shadow: var(--shadow); }
.contact-form h3 { font-family: var(--display); font-weight: 700; font-size: 1.35rem; margin-bottom: 22px; }
.field { margin-bottom: 16px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field label { display: block; font-size: .82rem; color: var(--muted); margin-bottom: 7px; font-weight: 500; }
.field input, .field textarea {
  width: 100%; padding: 12px 14px; border-radius: 10px; background: var(--bg-alt);
  border: 1px solid var(--line-2); color: var(--text); font-family: var(--font); font-size: .95rem;
  transition: border-color .2s, box-shadow .2s; resize: vertical;
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.form-note { margin-top: 14px; font-size: .9rem; text-align: center; min-height: 1.2em; }
.form-note.ok { color: #46d19a; }
.form-note.err { color: #ff6b6b; }

/* ===== FAQ ===== */
.faq { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm); overflow: hidden; transition: border-color .25s; }
.faq-item[open] { border-color: rgba(53,194,245,.35); }
.faq-item summary {
  list-style: none; cursor: pointer; padding: 20px 24px; font-family: var(--display);
  font-weight: 600; font-size: 1.05rem; display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+"; font-size: 1.5rem; font-weight: 400; color: var(--accent); line-height: 1;
  transition: transform .3s ease; flex: none;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-body { padding: 0 24px 22px; }
.faq-body p { color: var(--muted); }

/* ===== Footer ===== */
.site-footer { border-top: 1px solid var(--line); background: var(--bg-alt); padding: 54px 0 28px; }
.footer-inner { display: flex; justify-content: space-between; gap: 30px; flex-wrap: wrap; padding-bottom: 30px; border-bottom: 1px solid var(--line); }
.footer-brand { display: flex; gap: 14px; align-items: center; }
.footer-mark { width: 44px; }
.footer-brand p { color: var(--muted); font-size: .9rem; margin-top: 2px; }
.footer-links { display: flex; gap: 26px; flex-wrap: wrap; align-items: center; }
.footer-links a { color: var(--muted); font-size: .92rem; transition: color .2s; }
.footer-links a:hover { color: var(--accent); }
.footer-bottom { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding-top: 22px; color: var(--muted-2); font-size: .86rem; }

/* ===== Reveal animation ===== */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ===== Responsive ===== */
@media (max-width: 940px) {
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .mobile-menu { display: flex; }
  .cards, .steps { grid-template-columns: repeat(2, 1fr); }
  .why-grid, .about-grid, .contact-inner { grid-template-columns: 1fr; gap: 40px; }
  .about-mark { order: -1; }
  .about-mark img { width: 180px; }
}
@media (max-width: 620px) {
  .cards, .steps, .why-stats { grid-template-columns: 1fr; }
  .trustbar-inner { grid-template-columns: 1fr 1fr; }
  .trust-item:nth-child(2) { border-right: 0; }
  .trust-item:nth-child(1), .trust-item:nth-child(2) { border-bottom: 1px solid var(--line); }
  .field-row { grid-template-columns: 1fr; }
  .contact-form { padding: 24px 20px; }
  .footer-bottom { flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}