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

:root {
  --navy: #002d5a;
  --blue: #0057b8;
  --blue-h: #004a9e;
  --blue-light: #e8f0fb;
  --white: #ffffff;
  --gray-50: #f7f8fa;
  --gray-100: #eef0f3;
  --gray-200: #dde1e8;
  --gray-400: #9aa3b0;
  --gray-600: #4b5563;
  --gray-800: #1f2937;
  --gray-900: #0d1117;
  --green: #15803d;
  --green-bg: #dcfce7;
  --max: 1160px;
  --font: "Inter", system-ui, -apple-system, sans-serif;
}

html { scroll-behavior: smooth; }
body { font-family: var(--font); background: var(--white); color: var(--gray-900); font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }

/* NAV */
header { background: var(--navy); position: sticky; top: 0; z-index: 100; }
.nav-inner { max-width: var(--max); margin: 0 auto; padding: 0 2.5rem; height: 66px; display: flex; align-items: center; justify-content: space-between; }
.nav-logo { display: flex; align-items: center; gap: 0.75rem; font-size: 1.0625rem; font-weight: 600; color: #fff; letter-spacing: -0.01em; }
.nav-logo-mark { width: 32px; height: 32px; background: var(--blue); border-radius: 5px; display: flex; align-items: center; justify-content: center; }
.nav-back { font-size: 0.8125rem; color: rgba(255,255,255,0.45); display: flex; align-items: center; gap: 0.375rem; transition: color 0.15s; }
.nav-back:hover { color: rgba(255,255,255,0.75); }
.nav-links { display: flex; align-items: center; gap: 0.125rem; }
.nav-links a { font-size: 0.875rem; color: rgba(255,255,255,0.65); padding: 0.4rem 0.875rem; border-radius: 4px; transition: color 0.15s, background 0.15s; }
.nav-links a:hover { color: #fff; background: rgba(255,255,255,0.07); }
.nav-links a.active { color: #fff; }
.nav-cta { background: var(--blue) !important; color: #fff !important; font-weight: 500; margin-left: 0.5rem; }
.nav-cta:hover { background: var(--blue-h) !important; }

/* HERO */
.hero { background: var(--white); border-bottom: 1px solid var(--gray-200); min-height: calc(100vh - 66px); display: flex; align-items: center; padding: 4rem 2.5rem; }
.hero-inner { max-width: 760px; width: 100%; margin: 0 auto; }
.hero-kicker { display: inline-block; font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--blue); background: var(--blue-light); padding: 0.25rem 0.75rem; border-radius: 3px; margin-bottom: 1.5rem; }
.hero h1 { font-size: clamp(2.25rem, 4vw, 3.375rem); font-weight: 700; color: var(--gray-900); letter-spacing: -0.03em; line-height: 1.1; margin-bottom: 1.25rem; }
.hero p { font-size: 1.125rem; color: var(--gray-600); line-height: 1.75; max-width: 580px; margin-bottom: 2.5rem; }
.hero-btns { display: flex; gap: 0.875rem; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.75rem 1.5rem; border-radius: 4px; font-size: 0.9375rem; font-weight: 500; border: none; cursor: pointer; transition: all 0.15s; }
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-h); }
.btn-outline { background: var(--white); color: var(--gray-600); border: 1.5px solid var(--gray-200); }
.btn-outline:hover { border-color: #b0b8c6; color: var(--gray-900); }
.btn-sm { padding: 0.5rem 1rem; font-size: 0.875rem; }

/* SECTIONS */
.section-w { background: var(--white); padding: 5.5rem 2.5rem; }
.section-g { background: var(--gray-50); border-top: 1px solid var(--gray-200); border-bottom: 1px solid var(--gray-200); padding: 5.5rem 2.5rem; }
.section-navy { background: var(--navy); padding: 5.5rem 2.5rem; }
.si { max-width: var(--max); margin: 0 auto; }
.kicker { font-size: 0.75rem; font-weight: 700; color: var(--blue); text-transform: uppercase; letter-spacing: 0.12em; margin-bottom: 0.625rem; }
.kicker-light { color: rgba(255,255,255,0.5); }
.sh { font-size: clamp(1.875rem, 3vw, 2.375rem); font-weight: 700; letter-spacing: -0.025em; color: var(--gray-900); line-height: 1.2; margin-bottom: 0.875rem; }
.sh-light { color: #fff; }
.slead { font-size: 1.0625rem; color: var(--gray-600); max-width: 560px; line-height: 1.75; margin-bottom: 3rem; }
.slead-light { color: rgba(255,255,255,0.6); }

/* FEATURES */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--gray-200); border: 1px solid var(--gray-200); border-radius: 8px; overflow: hidden; }
.fcard { background: var(--white); padding: 2rem; }
.fcard:hover { background: var(--gray-50); }
.ficon { width: 42px; height: 42px; border-radius: 8px; background: var(--blue-light); display: flex; align-items: center; justify-content: center; margin-bottom: 1.125rem; }
.ficon svg { color: var(--blue); }
.fname { font-size: 1rem; font-weight: 700; color: var(--gray-900); margin-bottom: 0.5rem; }
.fdesc { font-size: 0.875rem; color: var(--gray-600); line-height: 1.65; }

/* INSTALL */
.install-list { display: flex; flex-direction: column; gap: 0; border: 1px solid var(--gray-200); border-radius: 8px; overflow: hidden; }
.istep { display: flex; gap: 1.5rem; padding: 1.75rem 2rem; background: var(--white); border-bottom: 1px solid var(--gray-200); align-items: flex-start; }
.istep:last-child { border-bottom: none; }
.istep-num { width: 32px; height: 32px; border-radius: 50%; background: var(--blue); color: #fff; font-size: 0.875rem; font-weight: 700; display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-top: 0.1rem; }
.istep-title { font-size: 1rem; font-weight: 600; color: var(--gray-900); margin-bottom: 0.375rem; }
.istep-desc { font-size: 0.875rem; color: var(--gray-600); line-height: 1.65; }
.code { display: inline-block; font-family: "SF Mono","Fira Code",monospace; font-size: 0.8125rem; background: var(--gray-100); border: 1px solid var(--gray-200); color: var(--gray-800); padding: 0.5rem 1rem; border-radius: 4px; margin-top: 0.75rem; }

/* APP */
.app-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.app-text p { font-size: 0.9375rem; color: rgba(255,255,255,0.6); line-height: 1.8; margin-bottom: 1rem; }
.app-cards { display: flex; flex-direction: column; gap: 1rem; }
.app-card { background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1); border-radius: 8px; padding: 1.25rem 1.5rem; display: flex; align-items: center; gap: 1rem; transition: background 0.15s; }
.app-card.available { cursor: pointer; }
.app-card.available:hover { background: rgba(255,255,255,0.08); }
.app-card-icon { width: 44px; height: 44px; border-radius: 10px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.app-card-sub { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.08em; color: rgba(255,255,255,0.4); }
.app-card-name { font-size: 1rem; font-weight: 600; color: #fff; margin-top: 0.125rem; }
.app-card-badge { margin-left: auto; font-size: 0.75rem; font-weight: 600; padding: 0.225rem 0.65rem; border-radius: 20px; flex-shrink: 0; }
.badge-avail { background: var(--green-bg); color: var(--green); }
.badge-soon { background: rgba(255,255,255,0.06); color: rgba(255,255,255,0.35); }

/* FOOTER */
footer { background: var(--navy); border-top: 1px solid rgba(255,255,255,0.07); padding: 2.5rem 2.5rem; }
.footer-inner { max-width: var(--max); margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap; }
.footer-brand { font-size: 0.9375rem; font-weight: 600; color: #fff; }
.footer-copy { font-size: 0.8125rem; color: rgba(255,255,255,0.3); margin-top: 0.2rem; }
.footer-links { display: flex; gap: 2rem; }
.footer-links a { font-size: 0.8125rem; color: rgba(255,255,255,0.4); transition: color 0.15s; }
.footer-links a:hover { color: rgba(255,255,255,0.7); }

/* MODULES PAGE */
.page-hero { background: var(--white); border-bottom: 1px solid var(--gray-200); padding: 5rem 2.5rem 4rem; }
.page-hero-inner { max-width: var(--max); margin: 0 auto; }
.modules-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 1.5rem; }
.mcard { background: var(--white); border: 1px solid var(--gray-200); border-radius: 8px; padding: 1.75rem; display: flex; flex-direction: column; gap: 0.875rem; transition: box-shadow 0.2s, border-color 0.2s; }
.mcard:hover { border-color: #b8c2d0; box-shadow: 0 4px 20px rgba(0,0,0,0.07); }
.mcard-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; }
.micon { width: 48px; height: 48px; border-radius: 10px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.mbadge { font-size: 0.6875rem; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; padding: 0.225rem 0.6rem; border-radius: 3px; }
.mbadge-free { background: var(--blue-light); color: var(--blue); }
.mname { font-size: 1.0625rem; font-weight: 700; color: var(--gray-900); }
.mversion { font-size: 0.8125rem; color: var(--gray-400); margin-top: 0.125rem; }
.mdesc { font-size: 0.875rem; color: var(--gray-600); line-height: 1.65; flex: 1; }
.mfeatures { display: flex; flex-wrap: wrap; gap: 0.375rem; }
.mfeatures span { font-size: 0.75rem; font-weight: 500; background: var(--gray-100); color: var(--gray-600); padding: 0.2rem 0.625rem; border-radius: 3px; }
.mfooter { display: flex; align-items: center; justify-content: space-between; padding-top: 0.5rem; border-top: 1px solid var(--gray-100); }
.mauthor { font-size: 0.8125rem; color: var(--gray-400); }
.mcard-dim { opacity: 0.5; pointer-events: none; }

@media (max-width: 900px) { .features-grid { grid-template-columns: 1fr 1fr; } .app-grid { grid-template-columns: 1fr; } }
@media (max-width: 640px) { .features-grid { grid-template-columns: 1fr; } .nav-links { display: none; } .section-w, .section-g, .section-navy { padding: 3.5rem 1.25rem; } .hero { padding: 3rem 1.25rem; } .page-hero { padding: 3rem 1.25rem 2.5rem; } }