@import url("https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800&display=swap");

:root {
  --color-blue: #274bff;
  --color-cyan: #16c1c6;
  --color-ink: #0f172a;
  --color-muted: #475569;
  --color-bg: #f3f6ff;
  --color-surface: #ffffff;
  --color-line: rgba(15, 23, 42, 0.08);
  --radius: 16px;
  --shadow: 0 18px 50px rgba(39, 75, 255, 0.08);
  --font: "Outfit", system-ui, -apple-system, "Segoe UI", sans-serif;
  --max: 1120px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--color-ink);
  background: var(--color-bg);
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container { width: min(100% - 2.5rem, var(--max)); margin-inline: auto; }

.site-header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(243, 246, 255, 0.85);
  border-bottom: 1px solid var(--color-line);
}
.nav {
  position: relative;
  display: flex; align-items: center; justify-content: space-between;
  min-height: 72px; gap: 1rem;
}
.brand { display: flex; align-items: center; gap: 0.65rem; font-weight: 800; font-size: 1.25rem; }
.brand img { width: 36px; height: 36px; }
.nav-links { display: flex; align-items: center; gap: 1.25rem; list-style: none; margin: 0; padding: 0; }
.nav-links a { color: var(--color-muted); font-weight: 500; }
.nav-links a:hover, .nav-links a.active { color: var(--color-blue); }
.nav-actions { display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; }
.nav-toggle {
  display: none; border: 0; background: transparent; font-size: 1.5rem; cursor: pointer;
}
.lang-switch {
  display: inline-flex; align-items: center; gap: 0.15rem;
  padding: 0.2rem; border-radius: 999px;
  border: 1px solid var(--color-line); background: rgba(255, 255, 255, 0.7);
}
.lang-switch button {
  border: 0; background: transparent; cursor: pointer;
  font: inherit; font-size: 0.8rem; font-weight: 600;
  color: var(--color-muted); padding: 0.35rem 0.55rem; border-radius: 999px;
}
.lang-switch button:hover { color: var(--color-blue); }
.lang-switch button.active {
  background: linear-gradient(135deg, var(--color-blue), var(--color-cyan));
  color: #fff;
}

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.7rem 1.15rem; border-radius: 999px; font-weight: 600;
  border: 1px solid transparent; transition: transform .2s ease, background .2s ease, color .2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: linear-gradient(135deg, var(--color-blue), var(--color-cyan));
  color: #fff;
}
.btn-ghost {
  background: transparent; border-color: rgba(39, 75, 255, 0.25); color: var(--color-blue);
}

.hero {
  position: relative; overflow: hidden;
  padding: clamp(4rem, 10vw, 7rem) 0 clamp(3rem, 6vw, 5rem);
  background:
    radial-gradient(ellipse 80% 60% at 70% 20%, rgba(22, 193, 198, 0.28), transparent 55%),
    radial-gradient(ellipse 70% 50% at 20% 80%, rgba(39, 75, 255, 0.22), transparent 50%),
    linear-gradient(180deg, #e8eeff 0%, var(--color-bg) 100%);
}
.hero-brand {
  font-size: clamp(3.5rem, 10vw, 6.5rem);
  font-weight: 800; letter-spacing: -0.04em; line-height: 1;
  background: linear-gradient(135deg, var(--color-blue), var(--color-cyan));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: fadeUp .8s ease both;
}
.hero h1 {
  margin: 1rem 0 0.75rem;
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  letter-spacing: -0.02em;
  animation: fadeUp .8s ease .1s both;
}
.hero .lead {
  max-width: 36rem; color: var(--color-muted); font-size: 1.1rem;
  animation: fadeUp .8s ease .2s both;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 0.85rem; margin-top: 1.75rem;
  animation: fadeUp .8s ease .3s both; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: none; }
}

.section { padding: clamp(3rem, 6vw, 5rem) 0; }
.section h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); letter-spacing: -0.02em; margin: 0 0 0.5rem; }
.section .section-lead { color: var(--color-muted); margin: 0 0 2rem; max-width: 40rem; }

.grid-2 { display: grid; gap: 1.25rem; grid-template-columns: repeat(2, 1fr); }
.grid-3 { display: grid; gap: 1.25rem; grid-template-columns: repeat(3, 1fr); }

.feature {
  padding: 1.35rem 1.4rem;
  border: 1px solid var(--color-line);
  background: var(--color-surface);
  border-radius: var(--radius);
  transition: box-shadow .2s ease, border-color .2s ease, transform .2s ease;
}
a.feature:hover {
  box-shadow: var(--shadow);
  border-color: rgba(39, 75, 255, 0.25);
  transform: translateY(-2px);
}
.feature h3 { margin: 0 0 0.4rem; font-size: 1.15rem; }
.feature p { margin: 0; color: var(--color-muted); }

.flow-steps { display: grid; gap: 0.75rem; margin: 1rem 0 0; padding: 0; list-style: none; counter-reset: step; }
.flow-steps li {
  counter-increment: step;
  padding: 0.85rem 1rem 0.85rem 3rem; position: relative;
  background: var(--color-surface); border: 1px solid var(--color-line); border-radius: 12px;
}
.flow-steps li::before {
  content: counter(step);
  position: absolute; left: 0.85rem; top: 50%; transform: translateY(-50%);
  width: 1.5rem; height: 1.5rem; border-radius: 999px;
  display: grid; place-items: center;
  background: rgba(39, 75, 255, 0.12); color: var(--color-blue);
  font-size: 0.8rem; font-weight: 700;
}

.cta-band {
  margin: 2rem 0;
  padding: 2rem;
  border-radius: calc(var(--radius) + 4px);
  background: linear-gradient(135deg, rgba(39, 75, 255, 0.95), rgba(22, 193, 198, 0.9));
  color: #fff;
}
.cta-band h2 { margin: 0 0 0.5rem; color: #fff; }
.cta-band p { margin: 0 0 1.25rem; opacity: 0.92; }
.cta-band .btn-primary { background: #fff; color: var(--color-blue); }
.cta-band .btn-ghost { border-color: rgba(255,255,255,0.5); color: #fff; }

.page-hero { padding: 3.5rem 0 1rem; }
.page-hero h1 { margin: 0 0 0.5rem; font-size: clamp(2rem, 4vw, 2.8rem); letter-spacing: -0.03em; }
.page-hero p { margin: 0; color: var(--color-muted); max-width: 40rem; }

.form { display: grid; gap: 1rem; }
.form label { display: grid; gap: 0.35rem; font-weight: 600; font-size: 0.95rem; }
.form input, .form select, .form textarea {
  font: inherit; padding: 0.75rem 0.9rem; border-radius: 12px;
  border: 1px solid var(--color-line); background: #fff;
}
.form input:focus, .form select:focus, .form textarea:focus {
  outline: 2px solid rgba(39, 75, 255, 0.35); border-color: transparent;
}
.form-error { color: #b91c1c; font-size: 0.9rem; display: none; }
.form-error.show { display: block; }
.form-success {
  display: none; padding: 1rem 1.1rem; border-radius: 12px;
  background: rgba(22, 193, 198, 0.15); color: #0f766e; font-weight: 600;
}
.form-success.show { display: block; }

.contact-layout { display: grid; gap: 2rem; grid-template-columns: 1.4fr 1fr; }
.aside-card {
  padding: 1.4rem; border-radius: var(--radius);
  background: var(--color-surface); border: 1px solid var(--color-line);
}
.aside-card h3 { margin-top: 0; }
.aside-card p, .aside-card li { color: var(--color-muted); }

.footer {
  border-top: 1px solid var(--color-line);
  padding: 2rem 0 2.5rem; color: var(--color-muted); font-size: 0.95rem;
}
.footer-inner { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; align-items: center; }
.footer nav { display: flex; flex-wrap: wrap; gap: 1rem; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 860px) {
  .grid-2, .grid-3, .contact-layout { grid-template-columns: 1fr; }
  .nav-toggle { display: inline-flex; }
  .nav-links, .nav-actions {
    display: none; position: absolute; left: 0; right: 0; top: 72px;
    background: #fff; border-bottom: 1px solid var(--color-line);
    padding: 1rem 1.25rem; flex-direction: column; align-items: stretch;
  }
  .nav.open .nav-links, .nav.open .nav-actions { display: flex; }
  .nav.open .nav-actions { top: auto; position: static; border: 0; padding: 0 0 1rem; }
}