:root {
  --navy: #041a33;
  --navy-soft: #0c2745;
  --blue: #134afc;
  --orange: #d56d26;
  --cream: #f5f2ec;
  --ink: #041a33;
  --ink-soft: #4a5568;
  --white: #ffffff;
  --radius: 14px;
  --container: 1160px;
  font-size: 16px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.5;
}

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

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

h1, h2, h3 { margin: 0 0 16px; font-weight: 800; letter-spacing: -0.02em; line-height: 1.15; }
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.5rem); }
h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 12px; }
p { margin: 0 0 16px; line-height: 1.6; }

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

.eyebrow {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 14px;
}
.eyebrow-light { color: #8fb0ff; }

.section-lead {
  font-size: 1.1rem;
  color: var(--ink-soft);
  max-width: 720px;
  margin-bottom: 40px;
}
.section-lead-light { color: #c7d2e8; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--blue);
  color: var(--white);
}
.btn-primary:hover { transform: translateY(-2px); background: #0d3fd9; }
.btn-ghost {
  border: 1.5px solid rgba(255,255,255,0.35);
  color: inherit;
}
.section-light .btn-ghost { border-color: rgba(4,26,51,0.25); }
.btn-ghost:hover { transform: translateY(-2px); border-color: var(--blue); }

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(4,26,51,0.08);
}
.nav-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 10px 24px;
}
.nav-logo { display: flex; align-items: center; }
.nav-logo img { height: 80px; width: auto; display: block; }
.nav-menu { display: flex; align-items: center; gap: 24px; margin-left: auto; }
.nav-links {
  display: flex;
  gap: 28px;
  font-size: 0.92rem;
  font-weight: 600;
}
.nav-links a { color: var(--ink-soft); }
.nav-links a:hover { color: var(--blue); }
.nav-cta { padding: 11px 22px; font-size: 0.88rem; }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 6px;
  margin-left: auto;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
}

/* Hero */
.hero {
  position: relative;
  background:
    radial-gradient(ellipse 900px 600px at 88% -10%, rgba(19,74,252,0.20), transparent 60%),
    radial-gradient(ellipse 750px 550px at 96% 55%, rgba(213,109,38,0.26), transparent 65%),
    radial-gradient(ellipse 800px 800px at -10% 110%, rgba(19,74,252,0.08), transparent 60%),
    var(--navy);
  color: var(--white);
  overflow: hidden;
  padding: 96px 0 80px;
}
.hero-symbol {
  position: absolute;
  top: -25%;
  right: -14%;
  width: 60%;
  min-width: 420px;
  opacity: 0.18;
  filter: blur(42px) saturate(1.05);
  pointer-events: none;
}
.hero-inner { max-width: 720px; }
.hero-sub {
  font-size: 1.15rem;
  color: #c7d2e8;
  max-width: 640px;
  margin-bottom: 34px;
}
.hero-sub strong { color: var(--white); font-weight: 800; }
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 24px; }
.hero-note { font-size: 0.88rem; color: #8296bd; max-width: 620px; margin-bottom: 34px; }
.hero-stats {
  display: flex;
  gap: 40px;
  list-style: none;
  padding: 24px 0 0;
  margin: 0;
  border-top: 1px solid rgba(255,255,255,0.15);
  flex-wrap: wrap;
}
.hero-stats li { font-size: 0.95rem; color: #c7d2e8; }
.hero-stats strong { display: block; font-size: 1.6rem; color: var(--white); font-weight: 800; }

/* Sections */
.section { padding: 88px 0; }
.section-light { background: var(--cream); }
.section-dark { background: var(--navy); color: var(--white); }
.h2-light { color: var(--white); }

.callout {
  font-weight: 600;
  font-size: 1.05rem;
  line-height: 1.5;
  padding: 28px 32px;
  border-radius: var(--radius);
  max-width: 900px;
  margin: 12px 0 0;
}
.callout-dark { background: var(--navy); color: var(--white); }
.callout-light { background: rgba(255,255,255,0.08); color: var(--white); }

/* Grids */
.grid { display: grid; gap: 24px; margin-bottom: 48px; }
.grid-5 { grid-template-columns: repeat(5, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); gap: 28px; }
.section-note-spaced { margin-top: 28px; max-width: 820px; }
.stat-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 30px 26px;
  border-top: 4px solid var(--blue);
}
.stat-card-orange { border-top-color: var(--orange); }
.stat-number { display: block; font-size: 2.6rem; font-weight: 800; color: var(--ink); margin-bottom: 10px; line-height: 1; }
.stat-card p { color: var(--ink-soft); margin-bottom: 0; font-size: 0.95rem; }
.source-note { font-size: 0.78rem; color: #8296bd; margin-top: 18px; }

.pillar {
  background: var(--white);
  border: 1px solid rgba(4,26,51,0.08);
  border-radius: var(--radius);
  padding: 28px 24px;
}
.pillar-accent { border-color: var(--orange); border-width: 1.5px; }
.pillar-index { display: block; font-size: 0.8rem; font-weight: 800; color: var(--blue); letter-spacing: 0.08em; margin-bottom: 10px; }
.pillar p { color: var(--ink-soft); font-size: 0.94rem; margin-bottom: 0; }

.product-card {
  background: var(--navy-soft);
  border-radius: var(--radius);
  padding: 30px 26px;
}
.product-card p { color: #c7d2e8; margin-bottom: 0; }

.model-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 34px 30px;
  border: 1px solid rgba(4,26,51,0.08);
}
.model-card-accent { border: 1.5px solid var(--orange); }
.model-card p { color: var(--ink-soft); }

.tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
}
.tag-blue { background: rgba(19,74,252,0.1); color: var(--blue); }
.tag-orange { background: rgba(213,109,38,0.12); color: var(--orange); }
.tag-outline { border: 1px solid rgba(255,255,255,0.3); color: #c7d2e8; background: none; }

.check-list { list-style: none; padding: 0; margin: 18px 0 0; }
.check-list li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 12px;
  color: var(--ink-soft);
  font-size: 0.95rem;
}
.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--blue);
}
.model-card-accent .check-list li::before { background: var(--orange); }

/* Steps */
.steps {
  list-style: none;
  padding: 0;
  margin: 0 0 48px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px 32px;
}
.steps li { display: flex; gap: 16px; align-items: flex-start; }
.step-num {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--blue);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1rem;
}
.step-num-accent { background: var(--orange); }
.steps h3 { color: var(--white); margin-bottom: 4px; font-size: 1.05rem; }
.steps p { color: #c7d2e8; margin-bottom: 0; font-size: 0.92rem; }
.steps-compact { grid-template-columns: 1fr; gap: 16px; }
.steps-compact p { color: var(--ink-soft); font-weight: 600; }

/* CTA section */
.cta-inner {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 56px;
  align-items: start;
}
.cta-text h2 { margin-bottom: 18px; }
.section-cta .steps-compact {
  background: var(--white);
  border-radius: var(--radius);
  padding: 30px 28px;
  border: 1px solid rgba(4,26,51,0.08);
}

/* Footer */
.footer { background: var(--navy); color: #c7d2e8; padding: 56px 0 24px; }
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  justify-content: space-between;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.footer-logo { height: 32px; filter: brightness(0) invert(1); margin-bottom: 10px; }
.footer-brand p { max-width: 260px; font-size: 0.9rem; margin-bottom: 0; }
.footer-links { display: flex; flex-direction: column; gap: 10px; font-size: 0.92rem; }
.footer-links a:hover { color: var(--white); }
.footer-contact { display: flex; flex-direction: column; gap: 10px; font-size: 0.92rem; }
.footer-contact a:hover { color: var(--white); }
.footer-bottom { padding-top: 24px; font-size: 0.82rem; color: #7d8fb3; }

/* WhatsApp FAB */
.whatsapp-fab {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25d366;
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(0,0,0,0.25);
  z-index: 90;
  transition: transform 0.15s ease;
}
.whatsapp-fab:hover { transform: scale(1.08); }
.whatsapp-fab svg { width: 28px; height: 28px; }

/* Responsive */
@media (max-width: 900px) {
  .grid-5 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-2 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .cta-inner { grid-template-columns: 1fr; }
  .hero-symbol { width: 70%; opacity: 0.5; }
}

@media (max-width: 720px) {
  .nav-menu { display: none; }
  .nav-toggle { display: flex; }
  .nav.is-open .nav-menu {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    padding: 20px 24px 24px;
    gap: 18px;
    border-bottom: 1px solid rgba(4,26,51,0.08);
  }
  .nav.is-open .nav-links { flex-direction: column; gap: 16px; }
  .grid-5 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .hero { padding: 76px 0 60px; }
  .hero-stats { gap: 24px; }
}