/* ============ Dust Data and AI — styles ============ */
:root {
  --navy-950: #060e24;
  --navy-900: #0a1633;
  --navy-800: #102350;
  --navy-700: #1a3268;
  --blue-600: #3b6fc9;
  --blue-400: #35b6e8;
  --ink: #16233c;
  --ink-soft: #46566f;
  --paper: #ffffff;
  --paper-soft: #f2f6fb;
  --line: #dde6f0;
  --grad: linear-gradient(100deg, var(--blue-600), var(--blue-400));
  --radius: 14px;
  --shadow: 0 10px 30px rgba(6, 14, 36, 0.10);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

.container {
  width: min(1120px, 92%);
  margin-inline: auto;
}

.section { padding: 5.5rem 0; }

h1, h2, h3 { line-height: 1.15; letter-spacing: -0.015em; }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); font-weight: 800; margin-bottom: 2.2rem; }
h3 { font-size: 1.35rem; font-weight: 700; }

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 0.6rem;
}

/* ============ Buttons ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.85rem 1.7rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 6px 20px rgba(53, 182, 232, 0.35);
}
.btn-primary:hover { box-shadow: 0 10px 26px rgba(53, 182, 232, 0.45); }

.btn-ghost {
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, 0.4);
  background: transparent;
}
.btn-ghost:hover { border-color: #fff; background: rgba(255, 255, 255, 0.08); }

.btn-linkedin {
  background: rgba(255, 255, 255, 0.1);
  border: 1.5px solid rgba(255, 255, 255, 0.35);
  color: #fff;
  margin-top: 1.4rem;
}
.btn-linkedin:hover { background: rgba(255, 255, 255, 0.18); border-color: #fff; }
.btn-linkedin svg { width: 1.1rem; height: 1.1rem; }

.btn-block { width: 100%; }

/* ============ Header / nav ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(6, 14, 36, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.7rem 0;
}
.nav-logo img { width: 120px; height: auto; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}
.nav-links a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.15s ease;
}
.nav-links a:hover { color: #fff; }
.nav-links .nav-cta {
  padding: 0.5rem 1.2rem;
  border-radius: 999px;
  background: var(--grad);
  color: #fff;
  font-weight: 600;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
}

/* ============ Hero ============ */
.hero {
  background:
    radial-gradient(ellipse 60% 50% at 78% 18%, rgba(59, 111, 201, 0.28), transparent 65%),
    radial-gradient(ellipse 55% 45% at 15% 85%, rgba(53, 182, 232, 0.14), transparent 60%),
    radial-gradient(circle at 20% 30%, rgba(255,255,255,0.05) 1px, transparent 1.6px),
    radial-gradient(circle at 65% 65%, rgba(255,255,255,0.05) 1px, transparent 1.6px),
    radial-gradient(circle at 85% 40%, rgba(255,255,255,0.04) 1px, transparent 1.6px),
    linear-gradient(160deg, var(--navy-950) 0%, var(--navy-900) 55%, var(--navy-800) 100%);
  background-size: auto, auto, 210px 210px, 260px 260px, 180px 180px, auto;
  color: #fff;
  text-align: center;
  padding: 4.5rem 0 6rem;
}

.hero-inner { display: flex; flex-direction: column; align-items: center; }

.hero-logo {
  width: min(520px, 82vw);
  height: auto;
  margin-bottom: 2.8rem;
}

.hero h1 {
  font-size: clamp(1.9rem, 4.6vw, 3.1rem);
  font-weight: 800;
  margin-bottom: 1.2rem;
}

.hero-sub {
  max-width: 620px;
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: rgba(255, 255, 255, 0.78);
  margin-bottom: 2.2rem;
}

.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; justify-content: center; }

/* ============ Services ============ */
.services { background: var(--paper-soft); }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(310px, 1fr));
  gap: 1.8rem;
}

.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 2.2rem 2rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  background: var(--grad);
  color: #fff;
  margin-bottom: 1.2rem;
}
.card-icon svg { width: 28px; height: 28px; }

.card h3 { margin-bottom: 0.7rem; }
.card > p { color: var(--ink-soft); margin-bottom: 1.1rem; }

.card ul { list-style: none; margin-bottom: 1.5rem; }
.card ul li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--ink);
  font-size: 0.97rem;
}
.card ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.52em;
  width: 0.55em;
  height: 0.55em;
  border-radius: 50%;
  background: var(--grad);
}

.chips { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: auto; }
.chips span {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--blue-600);
  background: rgba(59, 111, 201, 0.1);
  border: 1px solid rgba(59, 111, 201, 0.22);
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
}

/* ============ About ============ */
.about-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 3.5rem;
  align-items: start;
}
.about p { margin-bottom: 1.1rem; color: var(--ink-soft); }
.about p strong { color: var(--ink); }

.about-facts {
  display: grid;
  gap: 1rem;
}
.fact {
  background: var(--paper-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.2rem 1.4rem;
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
}
.fact-num {
  font-size: 1.7rem;
  font-weight: 800;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  min-width: 3.6rem;
}
.fact-label { color: var(--ink-soft); font-size: 0.92rem; line-height: 1.35; }

/* ============ Contact ============ */
.contact {
  background:
    radial-gradient(ellipse 55% 60% at 85% 10%, rgba(59, 111, 201, 0.25), transparent 60%),
    linear-gradient(200deg, var(--navy-800) 0%, var(--navy-950) 70%);
  color: #fff;
}
.contact .eyebrow { background: linear-gradient(100deg, #7db3f0, #6fd6f7); -webkit-background-clip: text; background-clip: text; }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 3.5rem;
  align-items: start;
}
.contact-copy p { color: rgba(255, 255, 255, 0.78); }

.contact-form {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  padding: 2rem;
  display: grid;
  gap: 1.1rem;
}

.field { display: grid; gap: 0.35rem; }
.field label { font-size: 0.88rem; font-weight: 600; color: rgba(255, 255, 255, 0.9); }
.field .optional { font-weight: 400; color: rgba(255, 255, 255, 0.55); }

.field input,
.field textarea {
  font: inherit;
  color: #fff;
  background: rgba(6, 14, 36, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 9px;
  padding: 0.7rem 0.9rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--blue-400);
  box-shadow: 0 0 0 3px rgba(53, 182, 232, 0.22);
}
.field textarea { resize: vertical; min-height: 120px; }

/* honeypot — visually removed, still in DOM for bots */
.hp-field {
  position: absolute !important;
  left: -9999px !important;
  width: 1px; height: 1px;
  overflow: hidden;
}

/* ============ Footer ============ */
.site-footer {
  background: var(--navy-950);
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  padding: 2.5rem 0;
  text-align: center;
}
.footer-inner { display: flex; flex-direction: column; align-items: center; gap: 0.6rem; }
.footer-inner img { width: 110px; }
.footer-tagline {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.footer-legal { color: rgba(255, 255, 255, 0.4); font-size: 0.82rem; }

/* ============ Thanks page ============ */
.thanks-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: linear-gradient(160deg, var(--navy-950) 0%, var(--navy-900) 55%, var(--navy-800) 100%);
  color: #fff;
  text-align: center;
  padding: 2rem;
}
.thanks-card { max-width: 520px; display: flex; flex-direction: column; align-items: center; }
.thanks-card img { width: min(380px, 80vw); margin-bottom: 2.2rem; }
.thanks-card h1 { font-size: clamp(1.7rem, 4vw, 2.3rem); font-weight: 800; margin-bottom: 0.9rem; }
.thanks-card p { color: rgba(255, 255, 255, 0.78); margin-bottom: 2rem; }

/* ============ Responsive ============ */
@media (max-width: 860px) {
  .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 2.4rem; }
  .section { padding: 4rem 0; }
}

@media (max-width: 700px) {
  .nav-toggle { display: flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(6, 14, 36, 0.97);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding: 0.5rem 0 1rem;
  }
  .nav-links.open { display: flex; }
  .nav-links li { text-align: center; }
  .nav-links a { display: block; padding: 0.8rem 0; font-size: 1.05rem; }
  .nav-links .nav-cta { margin: 0.5rem auto 0; display: inline-block; }
}