/* ===== Design tokens ===== */
:root {
  --bg: #131f49;
  --bg-soft: #1C2B63;
  --surface: #ffffff;
  --surface-soft: #f5f8fc;
  --ink: #0f172a;
  --ink-soft: #475569;
  --muted: #64748b;
  --line: #e2e8f0;
  --navy: #1C2B63;
  --navy-deep: #131f49;
  --brand: #1C2B63;
  --brand-2: #2FB78D;
  --green: #2FB78D;
  --brand-grad: linear-gradient(120deg, #2FB78D 0%, #1C2B63 100%);
  --accent: #2FB78D;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, .08), 0 1px 2px rgba(15, 23, 42, .04);
  --shadow-md: 0 10px 30px -10px rgba(15, 23, 42, .25);
  --shadow-lg: 0 30px 60px -20px rgba(15, 23, 42, .35);
  --maxw: 1140px;
  --font: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --font-head: 'Sora', var(--font);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--surface);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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;
}

h1, h2, h3, h4, h5 { font-family: var(--font-head); line-height: 1.15; color: var(--ink); margin: 0; }

.eyebrow {
  display: inline-block;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--green);
  margin: 0 0 14px;
}
.eyebrow.light { color: var(--accent); }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  font-size: .98rem;
  padding: 14px 26px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
}
.btn-primary {
  background: var(--brand-grad);
  color: #fff;
  box-shadow: 0 12px 24px -10px rgba(28, 43, 99, .35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 30px -10px rgba(28, 43, 99, .45); }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn-ghost:hover { border-color: var(--brand); color: var(--brand); }
.btn.full { width: 100%; }

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, .82);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.site-header.scrolled {
  border-color: var(--line);
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.brand { display: flex; align-items: center; gap: 10px; }
.logo-wordmark {
  font-family: 'Poppins', var(--font);
  font-weight: 700;
  font-size: 1.6rem;
  letter-spacing: -.035em;
  line-height: 1;
  white-space: nowrap;
}
.lw-navy { color: var(--navy); }
.lw-green { color: var(--green); }
.lw-white { color: #fff; }

.nav { display: flex; align-items: center; gap: 30px; }
.nav a { font-weight: 500; color: var(--ink-soft); transition: color .15s ease; }
.nav a:hover { color: var(--ink); }
.nav .nav-cta {
  background: var(--brand-grad);
  color: #fff;
  padding: 10px 20px;
  border-radius: 999px;
  font-weight: 600;
  box-shadow: 0 10px 20px -10px rgba(28, 43, 99, .35);
}
.nav .nav-cta:hover { color: #fff; transform: translateY(-1px); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  width: 24px; height: 2px; background: var(--ink); border-radius: 2px;
  transition: transform .25s ease, opacity .2s ease;
}
.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); }

/* ===== Hero ===== */
.hero {
  position: relative;
  overflow: hidden;
  background: radial-gradient(1200px 600px at 80% -10%, rgba(47, 183, 141, .22), transparent 60%),
              radial-gradient(900px 500px at 0% 10%, rgba(28, 43, 99, .14), transparent 55%),
              linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 48px;
  align-items: center;
  padding: 90px 24px 100px;
}
.hero h1 {
  font-size: clamp(2.2rem, 4.5vw, 3.5rem);
  letter-spacing: -.03em;
  margin: 0 0 20px;
}
.hero .lead {
  font-size: 1.12rem;
  color: var(--ink-soft);
  max-width: 540px;
  margin: 0 0 32px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats {
  list-style: none;
  display: flex;
  gap: 36px;
  margin: 48px 0 0;
  padding: 0;
}
.hero-stats li { display: flex; flex-direction: column; }
.hero-stats strong { font-family: var(--font-head); font-size: 1.4rem; color: var(--ink); }
.hero-stats span { font-size: .9rem; color: var(--muted); }

/* Hero visual */
.hero-visual { position: relative; min-height: 380px; }
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(2px);
  opacity: .9;
}
.orb-1 {
  width: 280px; height: 280px;
  background: conic-gradient(from 180deg, #2FB78D, #1C2B63, #2FB78D);
  top: 20px; right: 30px;
  animation: float 8s ease-in-out infinite;
  opacity: .25;
  filter: blur(40px);
}
.orb-2 {
  width: 200px; height: 200px;
  background: radial-gradient(circle, #2FB78D, transparent 70%);
  bottom: 0; left: 10px;
  opacity: .35;
  filter: blur(30px);
  animation: float 10s ease-in-out infinite reverse;
}
.card-float {
  position: absolute;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 18px;
  font-size: .92rem;
  font-weight: 600;
  color: var(--ink);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 10px;
  animation: float 6s ease-in-out infinite;
}
.card-float-1 { top: 30px; left: 0; animation-delay: .2s; }
.card-float-2 { top: 150px; right: 0; animation-delay: 1.2s; }
.card-float-3 { bottom: 30px; left: 40px; animation-delay: 2.2s; }
.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot.green { background: #2FB78D; }
.dot.blue { background: #1C2B63; }
.dot.teal { background: #2FB78D; }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* ===== Sections ===== */
.section { padding: 90px 0; }
.section-head { max-width: 680px; margin: 0 auto 54px; text-align: center; }
.section-head h2 { font-size: clamp(1.8rem, 3.2vw, 2.5rem); letter-spacing: -.02em; }
.section-sub { color: var(--ink-soft); font-size: 1.05rem; margin: 14px 0 0; }

/* Engagement models */
.models { background: var(--surface-soft); }
.models-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.model-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 38px 34px;
  box-shadow: var(--shadow-sm);
  transition: transform .2s ease, box-shadow .2s ease;
}
.model-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.model-card.highlight {
  border-color: transparent;
  background: linear-gradient(160deg, #1C2B63, #131f49);
  color: #cbd5e1;
}
.model-card.highlight h3 { color: #fff; }
.model-card.highlight .check-list li { color: #cbd5e1; }
.model-icon {
  font-size: 1.8rem;
  width: 58px; height: 58px;
  display: grid; place-items: center;
  background: var(--surface-soft);
  border-radius: 14px;
  margin-bottom: 20px;
}
.model-card.highlight .model-icon { background: rgba(255, 255, 255, .08); }
.model-card h3 { font-size: 1.4rem; margin-bottom: 12px; }
.model-card p { color: var(--ink-soft); margin: 0 0 20px; }
.model-card.highlight p { color: #94a3b8; }
.check-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.check-list li {
  position: relative;
  padding-left: 28px;
  color: var(--ink-soft);
  font-weight: 500;
}
.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0; top: 0;
  width: 20px; height: 20px;
  display: grid; place-items: center;
  background: var(--brand-grad);
  color: #fff;
  border-radius: 50%;
  font-size: .7rem;
  font-weight: 700;
}

/* Services */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: transparent; }
.svc-icon {
  font-size: 1.7rem;
  width: 54px; height: 54px;
  display: grid; place-items: center;
  background: var(--surface-soft);
  border-radius: 14px;
  margin-bottom: 18px;
}
.service-card h3 { font-size: 1.18rem; margin-bottom: 10px; }
.service-card p { color: var(--ink-soft); margin: 0; font-size: .98rem; }

/* About */
.about { background: var(--surface-soft); }
.about-inner {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 56px;
  align-items: center;
}
.about-copy h2 { font-size: clamp(1.8rem, 3.2vw, 2.4rem); margin-bottom: 18px; }
.about-copy p { color: var(--ink-soft); margin: 0 0 16px; }
.about-points {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
  margin-top: 30px;
}
.point h4 { font-size: 1.05rem; margin-bottom: 4px; color: var(--ink); }
.point p { font-size: .92rem; margin: 0; color: var(--muted); }
.about-visual { display: grid; place-items: center; }
.about-badge {
  width: 100%;
  aspect-ratio: 1 / .82;
  border-radius: var(--radius);
  background: linear-gradient(160deg, #1C2B63, #131f49);
  display: grid;
  place-content: center;
  text-align: center;
  color: #fff;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}
.about-badge::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(400px 200px at 70% 20%, rgba(20,184,166,.4), transparent 60%),
             radial-gradient(400px 200px at 20% 90%, rgba(37,99,235,.4), transparent 60%);
}
.about-badge .big {
  position: relative;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(2.4rem, 5vw, 3.4rem);
  letter-spacing: -.02em;
  background: linear-gradient(120deg, #2FB78D, #8ea4e8);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.about-badge .small { position: relative; color: #94a3b8; font-size: 1rem; margin-top: 8px; }

/* Industries */
.industry-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
}
.industry-pill {
  background: var(--surface-soft);
  border: 1px solid var(--line);
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 600;
  color: var(--ink-soft);
  transition: transform .15s ease, color .15s ease, border-color .15s ease;
}
.industry-pill:hover { transform: translateY(-2px); color: var(--brand); border-color: var(--brand); }

/* Contact */
.contact {
  background: linear-gradient(160deg, #131f49 0%, #1C2B63 100%);
  color: #cbd5e1;
}
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}
.contact-copy h2 { color: #fff; font-size: clamp(1.8rem, 3.2vw, 2.4rem); margin-bottom: 14px; }
.contact-copy > p { color: #94a3b8; margin: 0 0 28px; }
.contact-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 16px; }
.contact-list li { display: flex; align-items: center; gap: 14px; font-size: 1.05rem; }
.contact-list a { color: #e2e8f0; transition: color .15s ease; }
.contact-list a:hover { color: var(--accent); }
.ci {
  width: 42px; height: 42px;
  display: grid; place-items: center;
  background: rgba(255, 255, 255, .06);
  border-radius: 12px;
  font-size: 1.1rem;
}

.contact-form {
  background: #fff;
  border-radius: var(--radius);
  padding: 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  box-shadow: var(--shadow-lg);
}
.field { display: flex; flex-direction: column; gap: 6px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: .85rem; font-weight: 600; color: var(--ink); }
.field input, .field select, .field textarea {
  font-family: inherit;
  font-size: .98rem;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
  color: var(--ink);
  transition: border-color .15s ease, box-shadow .15s ease, background .15s ease;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--brand);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(47, 183, 141, .18);
}
.contact-form .btn.full { grid-column: 1 / -1; margin-top: 6px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-note { grid-column: 1 / -1; margin: 0; font-size: .9rem; min-height: 1.2em; }
.form-note.success { color: #16a34a; }
.form-note.error { color: #dc2626; }

/* Footer */
.site-footer { background: #0e1838; color: #94a3b8; padding: 56px 0 28px; }
.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 40px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.footer-wordmark { font-size: 1.8rem; }
.footer-brand p { margin: 18px 0 0; max-width: 360px; font-size: .95rem; }
.footer-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col h5 { color: #fff; font-size: .95rem; margin-bottom: 4px; }
.footer-col a, .footer-col span { color: #94a3b8; font-size: .95rem; transition: color .15s ease; }
.footer-col a:hover { color: var(--accent); }
.footer-bottom { padding-top: 22px; }
.footer-bottom p { margin: 0; font-size: .88rem; }

/* ===== Responsive ===== */
@media (max-width: 940px) {
  .hero-inner { grid-template-columns: 1fr; gap: 20px; padding: 70px 24px 80px; }
  .hero-visual { display: none; }
  .about-inner { grid-template-columns: 1fr; gap: 36px; }
  .contact-inner { grid-template-columns: 1fr; gap: 36px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
  .nav {
    position: fixed;
    inset: 72px 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-md);
    padding: 12px 24px 24px;
    transform: translateY(-120%);
    transition: transform .28s ease;
  }
  .nav.open { transform: translateY(0); }
  .nav a { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .nav .nav-cta { text-align: center; margin-top: 14px; border: 0; }
  .nav-toggle { display: flex; }
  .section { padding: 64px 0; }
  .models-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .about-points { grid-template-columns: 1fr; }
  .contact-form { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .hero-stats { gap: 22px; flex-wrap: wrap; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; scroll-behavior: auto; }
}