:root {
  --navy-950: #070c1f;
  --navy-900: #0b1330;
  --navy-800: #101c45;
  --navy-700: #16265c;
  --ice: #cfe0ff;
  --ink: #0a1224;
  --paper: #f6f8fc;
  --paper-2: #eef2fa;
  --green-500: #1fae5c;
  --green-400: #34d17a;
  --green-300: #7fe3a6;
  --white: #ffffff;
  --muted: #5c6784;
  --border: rgba(10, 18, 36, 0.08);
  --shadow: 0 20px 50px -25px rgba(7, 12, 31, 0.35);
  --radius: 18px;
  --wrap: 1160px;
  font-size: 16px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Manrope", "Segoe UI", Arial, sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

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

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(246, 248, 252, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand img { height: 38px; width: auto; }

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav a {
  color: var(--navy-900);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  opacity: 0.85;
}
.nav a:hover { opacity: 1; }

.nav-cta {
  background: var(--navy-900);
  color: var(--white) !important;
  padding: 10px 20px;
  border-radius: 999px;
  opacity: 1 !important;
}
.nav-cta:hover { background: var(--navy-800); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--navy-900);
  border-radius: 2px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 28px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.98rem;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--green-500), var(--green-400));
  color: var(--navy-950);
  box-shadow: 0 16px 30px -14px rgba(31, 174, 92, 0.55);
}
.btn-primary:hover { transform: translateY(-2px); }
.btn-ghost {
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
  border: 1.5px solid rgba(255, 255, 255, 0.35);
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.16); }

.cta-final .btn-ghost {
  color: var(--navy-900);
  border-color: rgba(10, 18, 36, 0.25);
  background: transparent;
}
.cta-final .btn-ghost:hover { background: rgba(10, 18, 36, 0.06); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: radial-gradient(120% 140% at 15% 0%, #142a63 0%, var(--navy-900) 45%, var(--navy-950) 100%);
  color: var(--white);
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 85% 20%, rgba(52, 209, 122, 0.22), transparent 45%),
    radial-gradient(circle at 10% 90%, rgba(52, 209, 122, 0.12), transparent 40%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  padding: 120px 24px 100px;
  max-width: 780px;
}
.eyebrow {
  display: inline-block;
  color: var(--green-300);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.8rem;
  margin: 0 0 18px;
}
.hero h1 {
  font-size: clamp(2.1rem, 4.6vw, 3.4rem);
  line-height: 1.15;
  margin: 0 0 22px;
  font-weight: 800;
}
.hero h1 span { color: var(--green-300); }
.hero-sub {
  color: var(--ice);
  font-size: 1.1rem;
  max-width: 620px;
  margin: 0 0 40px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

/* ---------- Sections ---------- */
.section { padding: 92px 0; }
.section-alt { background: var(--paper-2); }

.kicker {
  color: var(--green-500);
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.8rem;
  margin: 0 0 14px;
}
h2 {
  font-size: clamp(1.6rem, 3.2vw, 2.3rem);
  line-height: 1.22;
  margin: 0 0 18px;
  font-weight: 800;
  color: var(--navy-950);
}
h2 span.vs { color: var(--muted); font-weight: 600; }
.lede {
  font-size: 1.08rem;
  color: var(--muted);
  max-width: 680px;
  margin: 0 0 36px;
}
.centered { text-align: center; }
.centered .lede { margin-left: auto; margin-right: auto; }

.statement {
  text-align: center;
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--navy-950);
  margin: 44px 0 0;
}

/* ---------- Grids & cards ---------- */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}
.card p { color: var(--muted); margin: 0; }
.card h3 { margin: 0 0 10px; font-size: 1.05rem; color: var(--navy-950); }

.card-tag {
  display: inline-block;
  background: rgba(31, 174, 92, 0.12);
  color: var(--green-500);
  font-weight: 700;
  font-size: 0.82rem;
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
}

.card-model { border-top: 4px solid var(--green-400); }
.model-tag {
  display: inline-block;
  color: var(--navy-700);
  font-weight: 800;
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.card-model h3 { font-size: 1.25rem; margin-bottom: 12px; }

/* ---------- Two column layout ---------- */
.two-col {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}
.two-col.reverse { grid-template-columns: 0.95fr 1.05fr; }
.two-col.reverse > .img-frame { order: -1; }

.img-frame {
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow);
  background: var(--white);
}
.img-frame img { width: 100%; height: 100%; object-fit: cover; }
.img-frame-tech {
  background: linear-gradient(145deg, var(--navy-900), var(--navy-700));
  padding: 20px;
}
.img-frame-tech img { border-radius: 12px; }

.pillars {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}
.pillar {
  background: var(--navy-950);
  color: var(--white);
  padding: 12px 20px;
  border-radius: 999px;
  font-size: 0.92rem;
}

/* ---------- Feature list / cards ---------- */
.feature-list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.feature-list li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-left: 22px;
  border-left: 3px solid var(--green-400);
}
.feature-list strong { color: var(--navy-950); font-size: 1.02rem; }
.feature-list span { color: var(--muted); }

.feature-cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 28px;
}
.feature-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px 22px;
  box-shadow: var(--shadow);
}
.feature-card strong { display: block; color: var(--navy-950); margin-bottom: 6px; }
.feature-card p { margin: 0; color: var(--muted); }

/* ---------- Timeline ---------- */
.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}
.timeline li {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 20px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.step {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--navy-950);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
}
.step-final { background: linear-gradient(135deg, var(--green-500), var(--green-400)); color: var(--navy-950); }
.timeline strong { display: block; color: var(--navy-950); margin-bottom: 6px; }
.timeline span { color: var(--muted); font-size: 0.92rem; }

/* ---------- Compare ---------- */
.compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 8px;
}
.compare-col {
  border-radius: var(--radius);
  padding: 30px;
}
.compare-col h3 { margin: 0 0 18px; font-size: 1.1rem; }
.compare-col ul { margin: 0; padding-left: 20px; display: flex; flex-direction: column; gap: 12px; }
.compare-bad {
  background: var(--white);
  border: 1px solid var(--border);
  color: var(--navy-950);
}
.compare-bad h3 { color: #b3452f; }
.compare-good {
  background: var(--navy-950);
  color: var(--white);
}
.compare-good h3 { color: var(--green-300); }
.compare-neutral {
  background: var(--white);
  border: 1px solid var(--border);
  color: var(--navy-950);
}
.compare-neutral h3 { color: var(--navy-700); }

/* ---------- CTA final ---------- */
.cta-final {
  background: linear-gradient(180deg, var(--paper) 0%, #e6f6ec 100%);
  text-align: center;
}
.cta-final h2 { font-size: clamp(2rem, 4.4vw, 2.9rem); }
.cta-final h2 span { color: var(--green-500); }
.cta-final .hero-actions { justify-content: center; margin-top: 12px; }
.cta-final .btn-primary { background: linear-gradient(135deg, #1fae5c, #34d17a); color: var(--navy-950); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy-950);
  color: rgba(255, 255, 255, 0.65);
  padding: 28px 0;
}
.footer-row {
  display: flex;
  align-items: center;
  gap: 14px;
}
.footer-row p { margin: 0; font-size: 0.85rem; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .two-col { grid-template-columns: 1fr; gap: 36px; }
  .two-col.reverse > .img-frame { order: 0; }
  .timeline { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
  .nav {
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 12px 24px 20px;
    display: none;
  }
  .nav.open { display: flex; }
  .nav a { width: 100%; padding: 10px 0; }
  .nav-cta { text-align: center; margin-top: 8px; }
  .nav-toggle { display: flex; }

  .hero-inner { padding: 90px 24px 70px; }
  .section { padding: 64px 0; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
  .compare { grid-template-columns: 1fr; }
  .timeline { grid-template-columns: 1fr; }
  .hero-actions .btn, .cta-final .btn { width: 100%; }
}