:root {
  --color-primary:      #0e7490;
  --color-accent:       #06b6d4;
  --color-dark:         #164e63;
  --color-hero-bg:      #0f172a;
  --color-surface:      #ffffff;
  --color-surface-2:    #f8fafc;
  --color-text:         #0f172a;
  --color-text-muted:   #64748b;
  --color-border:       #e2e8f0;
  --color-white:        #ffffff;
  --radius-sm:          6px;
  --radius-md:          10px;
  --radius-lg:          16px;
  --shadow-sm:          0 1px 3px 0 rgb(0 0 0 / .10), 0 1px 2px -1px rgb(0 0 0 / .10);
  --shadow-md:          0 4px 6px -1px rgb(0 0 0 / .10), 0 2px 4px -2px rgb(0 0 0 / .10);
  --shadow-lg:          0 10px 15px -3px rgb(0 0 0 / .10), 0 4px 6px -4px rgb(0 0 0 / .10);
  --shadow-xl:          0 20px 25px -5px rgb(0 0 0 / .10), 0 8px 10px -6px rgb(0 0 0 / .10);
  --transition:         180ms cubic-bezier(0.16, 1, 0.3, 1);
  --max-w:              1200px;
  --nav-h:              68px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-surface);
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; }
input, textarea, select { font-family: inherit; }
ul { list-style: none; }

/* ── NAV ───────────────────────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 100;
  background: rgba(15, 23, 42, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.nav__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-white);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -.01em;
  white-space: nowrap;
}
.nav__logo-mark {
  width: 34px; height: 34px;
  background: var(--color-primary);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.nav__links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav__links a {
  color: rgba(255,255,255,.7);
  font-size: .875rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.nav__links a:hover {
  color: var(--color-white);
  background: rgba(255,255,255,.08);
}
.nav__cta {
  background: var(--color-primary);
  color: var(--color-white) !important;
  padding: 8px 18px !important;
  border-radius: var(--radius-md) !important;
  font-weight: 600 !important;
  transition: background var(--transition), transform var(--transition) !important;
}
.nav__cta:hover {
  background: var(--color-accent) !important;
  transform: translateY(-1px);
}
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  background: none;
  border: none;
  cursor: pointer;
}
.nav__toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

/* ── HERO ──────────────────────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  background: var(--color-hero-bg);
  padding: calc(var(--nav-h) + 60px) 24px 80px;
}
.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% 0%, color-mix(in srgb, #0e7490 28%, transparent), transparent),
    radial-gradient(ellipse 60% 40% at 80% 80%, color-mix(in srgb, #06b6d4 12%, transparent), transparent);
  pointer-events: none;
}
.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}
.hero__content {
  position: relative;
  max-width: 780px;
  margin: 0 auto;
}
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  color: rgba(255,255,255,.8);
  font-size: .8rem;
  font-weight: 500;
  letter-spacing: .04em;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 999px;
  margin-bottom: 28px;
}
.hero__badge::before {
  content: '';
  display: block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #06b6d4;
  flex-shrink: 0;
}
.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.75rem);
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.1;
  letter-spacing: -.03em;
  margin-bottom: 20px;
}
.hero__sub {
  font-size: clamp(1.05rem, 2.5vw, 1.25rem);
  color: rgba(255,255,255,.65);
  max-width: 560px;
  margin: 0 auto 40px;
  line-height: 1.6;
}
.hero__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}
.cta-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: .95rem;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 0 0 0 color-mix(in srgb, #0e7490 40%, transparent);
}
.cta-button:hover {
  background: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px color-mix(in srgb, #0e7490 35%, transparent);
}
.cta-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,.75);
  font-size: .95rem;
  font-weight: 500;
  padding: 14px 24px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,255,255,.15);
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}
.cta-ghost:hover {
  color: var(--color-white);
  border-color: rgba(255,255,255,.35);
  background: rgba(255,255,255,.06);
}
.hero__trust {
  margin-top: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}
.hero__trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,.55);
  font-size: .8rem;
  font-weight: 500;
}
.hero__trust-item svg {
  color: #06b6d4;
  flex-shrink: 0;
}

/* ── SECTION SHARED ────────────────────────────────────────────────────── */
.section {
  padding: 96px 24px;
}
.section--alt {
  background: var(--color-surface-2);
}
.section__inner {
  max-width: var(--max-w);
  margin: 0 auto;
}
.section__header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 64px;
}
.section__eyebrow {
  display: inline-block;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 12px;
}
.section__title {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 800;
  color: var(--color-text);
  line-height: 1.2;
  letter-spacing: -.025em;
  margin-bottom: 16px;
}
.section__lead {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ── SERVICES GRID ─────────────────────────────────────────────────────── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.service-card:hover {
  border-color: color-mix(in srgb, #0e7490 35%, transparent);
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}
.service-card__icon {
  width: 46px; height: 46px;
  background: color-mix(in srgb, #0e7490 10%, transparent);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--color-primary);
}
.service-card__icon svg {
  width: 22px; height: 22px;
}
.service-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 6px;
  letter-spacing: -.01em;
}
.service-card p {
  font-size: .875rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ── ABOUT ─────────────────────────────────────────────────────────────── */
.about-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.about__text h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 800;
  color: var(--color-text);
  line-height: 1.2;
  letter-spacing: -.025em;
  margin-bottom: 20px;
}
.about__text p {
  font-size: 1.0rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 16px;
}
.about__text p:last-of-type { margin-bottom: 0; }
.about__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  box-shadow: var(--shadow-sm);
}
.stat-card__num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -.04em;
  line-height: 1;
  margin-bottom: 4px;
}
.stat-card__label {
  font-size: .8rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: .06em;
}

/* ── CONTACT ───────────────────────────────────────────────────────────── */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 60px;
  align-items: start;
}
.contact__info h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -.02em;
  margin-bottom: 12px;
}
.contact__info > p {
  font-size: .95rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 36px;
}
.contact__details {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.contact__detail {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.contact__detail-icon {
  width: 40px; height: 40px;
  background: color-mix(in srgb, #0e7490 10%, transparent);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  color: var(--color-primary);
}
.contact__detail-icon svg { width: 18px; height: 18px; }
.contact__detail-text strong {
  display: block;
  font-size: .8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--color-text-muted);
  margin-bottom: 2px;
}
.contact__detail-text span {
  font-size: .95rem;
  color: var(--color-text);
  font-weight: 500;
}

/* form */
.contact-form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  box-shadow: var(--shadow-xl);
}
.contact-form h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 24px;
  letter-spacing: -.01em;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 14px;
}
.form-group label {
  font-size: .8rem;
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: .02em;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 11px 14px;
  font-size: .9rem;
  color: var(--color-text);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, #0e7490 15%, transparent);
}
.form-group textarea {
  min-height: 110px;
  resize: vertical;
}
.form-submit {
  width: 100%;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: .95rem;
  font-weight: 600;
  padding: 13px 24px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  margin-top: 4px;
}
.form-submit:hover {
  background: var(--color-accent);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px color-mix(in srgb, #0e7490 30%, transparent);
}

/* ── FOOTER ────────────────────────────────────────────────────────────── */
.footer {
  background: var(--color-hero-bg);
  color: rgba(255,255,255,.55);
  padding: 48px 24px;
  border-top: 1px solid rgba(255,255,255,.06);
}
.footer__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
}
.footer__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-white);
  font-weight: 700;
  font-size: .95rem;
  margin-bottom: 8px;
}
.footer__brand-mark {
  width: 28px; height: 28px;
  background: var(--color-primary);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
}
.footer__links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  justify-content: center;
}
.footer__links a {
  font-size: .85rem;
  color: rgba(255,255,255,.45);
  transition: color var(--transition);
}
.footer__links a:hover { color: rgba(255,255,255,.8); }
.footer__copy {
  font-size: .8rem;
  color: rgba(255,255,255,.35);
}
.footer__powered {
  font-size: .78rem;
}
.footer__powered a {
  color: rgba(255,255,255,.4);
  transition: color var(--transition);
}
.footer__powered a:hover { color: rgba(255,255,255,.65); }

/* ── MOBILE ────────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .nav__links { display: none; }
  .nav__toggle { display: flex; }
  .nav__mobile {
    display: none;
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    background: rgba(15, 23, 42, 0.97);
    backdrop-filter: blur(12px);
    padding: 16px 24px 24px;
    border-bottom: 1px solid rgba(255,255,255,.06);
    flex-direction: column;
    gap: 4px;
    z-index: 99;
  }
  .nav__mobile.open { display: flex; }
  .nav__mobile a {
    color: rgba(255,255,255,.75);
    font-size: 1rem;
    font-weight: 500;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    transition: background var(--transition), color var(--transition);
  }
  .nav__mobile a:hover {
    background: rgba(255,255,255,.08);
    color: var(--color-white);
  }
  .hero { padding: calc(var(--nav-h) + 48px) 20px 64px; }
  .section { padding: 72px 20px; }
  .about-layout { grid-template-columns: 1fr; gap: 48px; }
  .contact-layout { grid-template-columns: 1fr; gap: 40px; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form { padding: 28px 20px; }
  .services-grid { grid-template-columns: 1fr; }
  .about__stats { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .about__stats { grid-template-columns: 1fr; }
  .hero__trust { gap: 20px; }
}