/* =========================================================
   Manage Inventory — Design System
   Light, premium B2B SaaS aesthetic
   Fonts: Plus Jakarta Sans (display) + Inter (text)
   ========================================================= */

:root {
  /* Brand */
  --brand:        #4f46e5;  /* indigo */
  --brand-600:    #4338ca;
  --brand-700:    #3730a3;
  --accent:       #0ea5e9;  /* sky */
  --accent-2:     #14b8a6;  /* teal */

  /* Surfaces */
  --bg:           #f7f8fc;
  --bg-2:         #eef1f9;
  --surface:      #ffffff;
  --surface-2:    #fbfbfe;

  /* Ink */
  --ink:          #0f1424;
  --ink-2:        #2b3350;
  --muted:        #5b6478;
  --muted-2:      #8a93a8;

  /* Lines & effects */
  --border:       #e7eaf3;
  --border-2:     #dde1ee;
  --ring:         rgba(79, 70, 229, .35);

  --shadow-sm:    0 1px 2px rgba(16, 23, 50, .04), 0 1px 3px rgba(16, 23, 50, .06);
  --shadow-md:    0 4px 12px rgba(16, 23, 50, .06), 0 12px 28px rgba(16, 23, 50, .08);
  --shadow-lg:    0 18px 48px rgba(31, 31, 90, .14), 0 4px 12px rgba(16, 23, 50, .06);

  --radius:       16px;
  --radius-lg:    22px;
  --radius-pill:  999px;

  --max:          1140px;
  --gradient:     linear-gradient(135deg, var(--brand) 0%, #6366f1 45%, var(--accent) 100%);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink-2);
  background: var(--bg);
  line-height: 1.65;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, .brand, .stat-num {
  font-family: "Plus Jakarta Sans", "Inter", system-ui, sans-serif;
  color: var(--ink);
  letter-spacing: -0.02em;
}

a { color: var(--brand); text-decoration: none; transition: color .15s ease; }
a:hover { color: var(--brand-700); }

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

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

:focus-visible {
  outline: 3px solid var(--ring);
  outline-offset: 2px;
  border-radius: 8px;
}

.skip-link {
  position: absolute; left: -999px; top: 8px;
  background: var(--brand); color: #fff; padding: 10px 16px;
  border-radius: 10px; z-index: 100; font-weight: 600;
}
.skip-link:focus { left: 16px; }

/* =========================================================
   Header
   ========================================================= */
header.site {
  position: sticky; top: 0; z-index: 50;
  background: rgba(247, 248, 252, .8);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--border);
}
header.site .container {
  display: flex; align-items: center; justify-content: space-between;
  height: 70px;
}
.brand {
  display: inline-flex; align-items: center; gap: 11px;
  font-weight: 800; font-size: 18px; color: var(--ink);
}
.brand:hover { color: var(--ink); }
.logo {
  width: 34px; height: 34px; border-radius: 10px;
  background: var(--gradient);
  display: grid; place-items: center; color: #fff; font-weight: 800;
  font-family: "Plus Jakarta Sans", sans-serif;
  box-shadow: 0 6px 16px rgba(79, 70, 229, .35);
}

nav.top { display: flex; align-items: center; gap: 4px; }
nav.top a {
  color: var(--muted); font-size: 15px; font-weight: 500;
  padding: 8px 14px; border-radius: 10px;
}
nav.top a:hover { color: var(--ink); background: var(--bg-2); }
nav.top a.nav-cta {
  color: #fff; background: var(--brand); margin-left: 6px;
  box-shadow: var(--shadow-sm);
}
nav.top a.nav-cta:hover { background: var(--brand-600); color: #fff; }

/* Mobile nav toggle */
.nav-toggle {
  display: none; background: var(--surface); border: 1px solid var(--border);
  width: 42px; height: 42px; border-radius: 11px; cursor: pointer;
  align-items: center; justify-content: center; color: var(--ink);
}
.nav-toggle svg { width: 22px; height: 22px; }

/* =========================================================
   Buttons
   ========================================================= */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 14px 24px; border-radius: 13px;
  font-weight: 600; font-size: 16px; line-height: 1;
  border: 1px solid transparent; cursor: pointer;
  transition: transform .12s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
  font-family: inherit;
}
.btn svg { width: 18px; height: 18px; }
.btn.primary {
  background: var(--brand); color: #fff;
  box-shadow: 0 10px 24px rgba(79, 70, 229, .28);
}
.btn.primary:hover { background: var(--brand-600); color: #fff; transform: translateY(-1px); box-shadow: 0 14px 30px rgba(79, 70, 229, .34); }
.btn.ghost {
  background: var(--surface); color: var(--ink); border-color: var(--border-2);
  box-shadow: var(--shadow-sm);
}
.btn.ghost:hover { border-color: var(--brand); color: var(--brand-700); transform: translateY(-1px); }
.btn.lg { padding: 16px 28px; font-size: 17px; }

/* =========================================================
   Hero
   ========================================================= */
.hero {
  position: relative;
  padding: 96px 0 84px;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(720px 380px at 80% -8%, rgba(99, 102, 241, .18), transparent 60%),
    radial-gradient(620px 360px at 8% 12%, rgba(14, 165, 233, .12), transparent 55%);
  pointer-events: none;
}
.hero .container {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 56px;
  align-items: center;
}
.hero-copy { max-width: 600px; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 600; letter-spacing: .04em;
  color: var(--brand-700);
  background: rgba(79, 70, 229, .08);
  border: 1px solid rgba(79, 70, 229, .18);
  padding: 7px 14px; border-radius: var(--radius-pill);
  margin-bottom: 22px;
}
.eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent-2); box-shadow: 0 0 0 4px rgba(20,184,166,.18); }

.hero h1 {
  font-size: clamp(38px, 5.2vw, 58px);
  line-height: 1.05; margin: 0 0 22px; font-weight: 800;
}
.hero h1 .grad {
  background: var(--gradient);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.sub {
  font-size: 19px; color: var(--muted); margin: 0 0 30px; max-width: 540px;
}
.cta { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }

.hero-trust {
  margin-top: 34px; display: flex; align-items: center; gap: 16px;
  color: var(--muted-2); font-size: 14px; flex-wrap: wrap;
}
.hero-trust .check { color: var(--accent-2); display: inline-flex; }
.hero-trust span { display: inline-flex; align-items: center; gap: 7px; }
.hero-trust svg { width: 17px; height: 17px; }

/* Hero dashboard mockup */
.hero-visual { position: relative; }
.mock {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 18px;
  transform: perspective(1400px) rotateY(-7deg) rotateX(3deg);
  transition: transform .4s ease;
}
.hero-visual:hover .mock { transform: perspective(1400px) rotateY(-3deg) rotateX(1deg); }
.mock-bar { display: flex; align-items: center; gap: 7px; padding: 4px 4px 14px; }
.mock-bar i { width: 11px; height: 11px; border-radius: 50%; background: #e2e6f0; display: block; }
.mock-bar i:nth-child(1){ background:#ff6058;} .mock-bar i:nth-child(2){ background:#ffbd2e;} .mock-bar i:nth-child(3){ background:#28c840;}
.mock-bar .mock-title { margin-left: 8px; font-size: 12.5px; font-weight: 600; color: var(--muted); font-family: "Plus Jakarta Sans", sans-serif; }

.mock-stats { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; margin-bottom: 12px; }
.mock-stat { background: var(--surface-2); border: 1px solid var(--border); border-radius: 13px; padding: 13px; }
.mock-stat .lbl { font-size: 11px; color: var(--muted-2); font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }
.mock-stat .val { font-size: 20px; font-weight: 800; color: var(--ink); font-family: "Plus Jakarta Sans", sans-serif; margin-top: 3px; }
.mock-stat .val.green { color: #0f9d6b; }

.mock-chart {
  background: var(--surface-2); border: 1px solid var(--border); border-radius: 13px;
  padding: 14px; margin-bottom: 12px;
}
.mock-chart .ct { font-size: 12px; font-weight: 600; color: var(--muted); margin-bottom: 12px; }
.bars { display: flex; align-items: flex-end; gap: 9px; height: 92px; }
.bars span { flex: 1; border-radius: 6px 6px 3px 3px; background: linear-gradient(180deg, #c7cbff, #6366f1); opacity: .9; }
.bars span:nth-child(odd) { background: linear-gradient(180deg, #bdeafd, var(--accent)); }

.mock-rows { display: grid; gap: 8px; }
.mock-row { display: flex; align-items: center; gap: 11px; background: var(--surface-2); border: 1px solid var(--border); border-radius: 11px; padding: 9px 12px; }
.mock-row .pic { width: 30px; height: 30px; border-radius: 8px; background: linear-gradient(135deg, #eef0ff, #dfe3ff); flex: none; }
.mock-row .meta { flex: 1; min-width: 0; }
.mock-row .meta b { display: block; font-size: 12.5px; color: var(--ink); font-family: "Plus Jakarta Sans", sans-serif; }
.mock-row .meta small { color: var(--muted-2); font-size: 11px; }
.pill { font-size: 10.5px; font-weight: 700; padding: 4px 9px; border-radius: 999px; white-space: nowrap; }
.pill.ok { color: #0f9d6b; background: rgba(15,157,107,.1); }
.pill.test { color: #b45309; background: rgba(245,158,11,.12); }
.pill.sell { color: var(--brand-700); background: rgba(79,70,229,.1); }

.float-badge {
  position: absolute; left: -22px; bottom: 36px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 14px; box-shadow: var(--shadow-md);
  padding: 12px 15px; display: flex; align-items: center; gap: 11px;
}
.float-badge .fi { width: 38px; height: 38px; border-radius: 10px; background: rgba(15,157,107,.12); color: #0f9d6b; display: grid; place-items: center; }
.float-badge .fi svg { width: 20px; height: 20px; }
.float-badge .ft b { display: block; font-size: 14px; color: var(--ink); font-family: "Plus Jakarta Sans", sans-serif; }
.float-badge .ft small { font-size: 11.5px; color: var(--muted-2); }

/* =========================================================
   Trust / stat band
   ========================================================= */
.band {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}
.band .container {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
  padding-top: 36px; padding-bottom: 36px;
}
.band .b { text-align: center; }
.stat-num {
  font-size: 30px; font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.band .b p { margin: 4px 0 0; color: var(--muted); font-size: 14.5px; }

/* =========================================================
   Sections
   ========================================================= */
section { padding: 88px 0; }
.section-head { max-width: 680px; margin: 0 0 48px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.kicker {
  display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: .08em;
  text-transform: uppercase; color: var(--brand); margin-bottom: 12px;
}
section h2 { font-size: clamp(28px, 3.6vw, 40px); margin: 0 0 14px; line-height: 1.12; font-weight: 800; }
.lead { color: var(--muted); font-size: 18px; margin: 0; }

/* Features */
#features { background: var(--bg); }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px;
  box-shadow: var(--shadow-sm);
  transition: transform .18s ease, box-shadow .25s ease, border-color .2s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--border-2); }
.card h3 { margin: 18px 0 9px; font-size: 19px; font-weight: 700; }
.card p { margin: 0; color: var(--muted); font-size: 15.5px; line-height: 1.6; }
.ico {
  width: 50px; height: 50px; border-radius: 14px; display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(79,70,229,.1), rgba(14,165,233,.1));
  color: var(--brand); border: 1px solid rgba(79,70,229,.12);
}
.ico svg { width: 25px; height: 25px; }

/* How it works */
#how { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; position: relative; }
.step {
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px; position: relative;
}
.step .n {
  width: 44px; height: 44px; border-radius: 13px;
  background: var(--gradient); color: #fff;
  display: grid; place-items: center; font-weight: 800; font-size: 19px;
  font-family: "Plus Jakarta Sans", sans-serif; margin-bottom: 18px;
  box-shadow: 0 8px 18px rgba(79,70,229,.3);
}
.step h3 { margin: 0 0 8px; font-size: 18px; font-weight: 700; }
.step p { margin: 0; color: var(--muted); font-size: 15.5px; }

/* Contact / CTA */
#contact { background: var(--bg); }
.cta-card {
  position: relative; overflow: hidden;
  background: var(--gradient);
  border-radius: var(--radius-lg);
  padding: 64px 40px; text-align: center;
  box-shadow: var(--shadow-lg);
}
.cta-card::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(600px 300px at 50% -30%, rgba(255,255,255,.25), transparent 60%);
}
.cta-card > * { position: relative; }
.cta-card .kicker { color: rgba(255,255,255,.85); }
.cta-card h2 { color: #fff; margin: 0 0 14px; }
.cta-card p {
  color: rgba(255,255,255,.92); font-size: 18px;
  max-width: 600px; margin: 0 auto 30px;
}
.cta-card .btn.primary {
  background: #fff; color: var(--brand-700);
  box-shadow: 0 12px 30px rgba(0,0,0,.18);
}
.cta-card .btn.primary:hover { background: #fff; color: var(--brand-700); filter: brightness(.98); }
.cta-card .contact-note { margin-top: 18px; font-size: 14px; color: rgba(255,255,255,.85); }
.cta-card .contact-note a { color: #fff; text-decoration: underline; text-underline-offset: 3px; }

/* =========================================================
   Legal pages
   ========================================================= */
.legal { padding: 64px 0 88px; }
.legal .container { max-width: 800px; }
.legal-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-sm);
  padding: 48px 52px;
}
.legal h1 { font-size: clamp(30px, 4vw, 40px); margin: 0 0 8px; font-weight: 800; }
.legal .updated {
  color: var(--muted-2); margin: 0 0 14px; font-size: 14px; font-weight: 500;
}
.legal .legal-divider { height: 1px; background: var(--border); margin: 0 0 28px; border: 0; }
.legal h2 {
  font-size: 22px; margin: 38px 0 12px; font-weight: 700;
  padding-top: 6px;
}
.legal h3 { font-size: 17px; margin: 24px 0 8px; font-weight: 700; color: var(--ink-2); font-family: "Plus Jakarta Sans", sans-serif; }
.legal p, .legal li { color: var(--ink-2); font-size: 16px; }
.legal ul { padding-left: 22px; }
.legal li { margin: 7px 0; }
.legal strong { color: var(--ink); }
.legal a { color: var(--brand); text-decoration: underline; text-underline-offset: 2px; }

.back-link {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 14px; font-weight: 600; color: var(--muted);
  margin-bottom: 22px;
}
.back-link:hover { color: var(--brand); }
.back-link svg { width: 16px; height: 16px; }

/* =========================================================
   Footer
   ========================================================= */
footer.site {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 44px 0 36px;
  color: var(--muted);
}
footer.site .container {
  display: flex; flex-wrap: wrap; gap: 18px;
  align-items: center; justify-content: space-between;
}
.foot-brand { display: flex; align-items: center; gap: 11px; }
.foot-brand .logo { width: 30px; height: 30px; border-radius: 9px; font-size: 15px; }
.foot-brand b { font-family: "Plus Jakarta Sans", sans-serif; color: var(--ink); font-size: 16px; }
footer.site .small { font-size: 13.5px; color: var(--muted-2); margin-top: 4px; }
footer.site nav { display: flex; flex-wrap: wrap; gap: 8px; }
footer.site nav a { color: var(--muted); font-size: 14.5px; padding: 6px 10px; border-radius: 8px; }
footer.site nav a:hover { color: var(--ink); background: var(--bg-2); }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 960px) {
  .hero { padding: 64px 0 56px; }
  .hero .container { grid-template-columns: 1fr; gap: 44px; }
  .hero-copy { max-width: 620px; }
  .hero p.sub { max-width: none; }
  .hero-visual { max-width: 520px; margin: 0 auto; width: 100%; }
  .mock { transform: none; }
  .band .container { grid-template-columns: repeat(2, 1fr); gap: 28px 20px; }
}

@media (max-width: 820px) {
  section { padding: 64px 0; }
  .grid, .steps { grid-template-columns: 1fr; }
  .cta-card { padding: 48px 24px; }
}

@media (max-width: 720px) {
  nav.top { display: none; }
  nav.top.open {
    display: flex; flex-direction: column; align-items: stretch;
    position: absolute; top: 70px; left: 0; right: 0;
    background: var(--surface); border-bottom: 1px solid var(--border);
    padding: 12px 24px 18px; gap: 4px;
    box-shadow: var(--shadow-md);
  }
  nav.top.open a { padding: 12px 14px; }
  nav.top.open a.nav-cta { margin-left: 0; margin-top: 6px; text-align: center; }
  .nav-toggle { display: inline-flex; }
  header.site { position: relative; }
  .legal-card { padding: 32px 24px; }
  .float-badge { left: 0; }
}

@media (max-width: 460px) {
  .band .container { grid-template-columns: 1fr; }
  .mock-stats { grid-template-columns: 1fr 1fr; }
  .cta { width: 100%; }
  .cta .btn { flex: 1; justify-content: center; }
}

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