:root {
  --navy: #204061;
  --blue: #336699;
  --blue-light: #4a7fb5;
  --cyan: #06b5f0;
  --ink: #16283b;
  --paper: #ffffff;
  --mist: #f4f6f8;
  --line: #e2e8ee;
  --muted: #5b6b7c;
  --radius: 14px;
  --max: 1120px;
  --font: "Poppins", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3 {
  font-weight: 600;
  line-height: 1.15;
  margin: 0;
  letter-spacing: -0.01em;
}

p { margin: 0; }

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 14px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 0.92rem;
  letter-spacing: 0.03em;
  padding: 15px 28px;
  border-radius: 999px;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--cyan);
  color: #06283f;
  box-shadow: 0 8px 20px -6px rgba(6, 181, 240, 0.55);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 24px -6px rgba(6, 181, 240, 0.65); }
.btn-ghost {
  background: transparent;
  border: 1.5px solid rgba(255, 255, 255, 0.4);
  color: #fff;
}
.btn-ghost:hover { border-color: #fff; background: rgba(255, 255, 255, 0.08); }
.btn-dark {
  background: var(--navy);
  color: #fff;
}
.btn-dark:hover { transform: translateY(-2px); }

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.site-header.scrolled {
  border-bottom-color: var(--line);
  box-shadow: 0 4px 18px -12px rgba(22, 40, 59, 0.3);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.logo img { height: 30px; width: auto; }

.nav {
  display: flex;
  align-items: center;
  gap: 40px;
}
.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--ink);
  position: relative;
  padding: 6px 0;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  height: 2px;
  width: 0;
  background: var(--cyan);
  transition: width 0.2s ease;
}
.nav-links a:hover::after { width: 100%; }

.nav-cta { display: none; }
.nav-cta .btn-dark {
  padding: 11px 22px;
  font-size: 0.85rem;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
}
.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--ink);
  margin: 5px 0;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.menu-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Hero */
.hero {
  padding: 176px 0 96px;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(900px 500px at 85% -10%, rgba(6, 181, 240, 0.12), transparent 60%),
    linear-gradient(180deg, #fbfcfd 0%, #ffffff 100%);
}
.hero .wrap {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}
.hero h1 {
  font-size: clamp(2.4rem, 4.6vw, 3.6rem);
  color: var(--navy);
}
.hero h1 em {
  font-style: normal;
  color: var(--cyan);
}
.hero-sub {
  margin-top: 22px;
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 44ch;
}
.hero-actions {
  margin-top: 36px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
}
.hero-note {
  margin-top: 22px;
  font-size: 0.85rem;
  color: var(--muted);
}
.hero-media {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  aspect-ratio: 4 / 5;
  box-shadow: 0 30px 60px -30px rgba(32, 64, 97, 0.45);
}
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, rgba(32, 64, 97, 0.05), rgba(32, 64, 97, 0.35) 90%);
}

/* Section shell */
section { padding: 100px 0; }
.section-head {
  max-width: 640px;
  margin-bottom: 56px;
}
.section-head h2 {
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  color: var(--navy);
}
.section-head p {
  margin-top: 16px;
  font-size: 1.05rem;
  color: var(--muted);
}

/* Services */
.services { background: var(--mist); }
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 32px 28px;
  border: 1px solid var(--line);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 36px -20px rgba(22, 40, 59, 0.25);
}
.service-num {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: 0.08em;
}
.service-card h3 {
  margin-top: 16px;
  font-size: 1.15rem;
  color: var(--navy);
}
.service-card p {
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.96rem;
}

/* Pain points */
.situations .wrap {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
  align-items: start;
}
.situations-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.situations-list li {
  display: flex;
  gap: 18px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
  font-size: 1.05rem;
  color: var(--ink);
}
.situations-list li:first-child { padding-top: 0; }
.situations-list .q-mark {
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--navy);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* About */
.about { background: var(--mist); }
.about .wrap {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 56px;
  align-items: center;
}
.about-photo {
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 1 / 1;
  max-width: 320px;
  box-shadow: 0 24px 48px -24px rgba(22, 40, 59, 0.35);
}
.about-photo img { width: 100%; height: 100%; object-fit: cover; }
.about-text h2 { color: var(--navy); font-size: clamp(1.7rem, 3vw, 2.2rem); }
.about-text p {
  margin-top: 18px;
  color: var(--muted);
  font-size: 1.02rem;
  max-width: 60ch;
}
.about-text p + p { margin-top: 14px; }
.about-signature {
  margin-top: 24px;
  font-weight: 600;
  color: var(--navy);
}

/* Final CTA */
.cta {
  background: linear-gradient(135deg, var(--navy), #16283b);
  color: #fff;
  text-align: center;
  padding: 110px 0;
}
.cta h2 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  color: #fff;
}
.cta p {
  margin-top: 16px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 1.05rem;
}
.cta .btn-primary { margin-top: 32px; }

/* Footer */
footer {
  background: #10202f;
  color: rgba(255, 255, 255, 0.7);
  padding: 56px 0 28px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.footer-logo img { height: 32px; width: 32px; border-radius: 8px; }
.footer-logo span {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: #fff;
}
.footer-brand p { font-size: 0.9rem; max-width: 32ch; color: rgba(255, 255, 255, 0.55); }
footer h4 {
  color: #fff;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 16px;
}
footer address, footer .footer-links {
  font-style: normal;
  font-size: 0.92rem;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
footer a:hover { color: #fff; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  font-size: 0.82rem;
  flex-wrap: wrap;
  gap: 12px;
}

/* Responsive */
@media (min-width: 861px) {
  .nav-cta { display: block; }
}

@media (max-width: 860px) {
  .nav-links, .nav-cta { display: none; }
  .menu-toggle { display: block; }
  .nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: #fff;
    padding: 20px 24px 28px;
    gap: 22px;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 20px 30px -20px rgba(22, 40, 59, 0.3);
  }
  .nav.open .nav-links {
    display: flex;
    flex-direction: column;
    gap: 18px;
  }
  .nav.open .nav-cta {
    display: block;
    align-self: flex-start;
  }

  .hero { padding: 140px 0 72px; }
  .hero .wrap { grid-template-columns: 1fr; }
  .hero-media { max-width: 420px; margin: 0 auto; }
  .hero-actions { justify-content: flex-start; }

  section { padding: 72px 0; }
  .service-grid { grid-template-columns: 1fr; }
  .situations .wrap { grid-template-columns: 1fr; gap: 40px; }
  .about .wrap { grid-template-columns: 1fr; }
  .about-photo { margin: 0 auto; }
  .about-text { text-align: left; }

  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}