/* Inter (variable, SIL Open Font License), self-hosted — no third-party requests */
@font-face {
  font-family: 'Inter'; font-style: normal; font-weight: 100 900; font-display: swap;
  src: url('fonts/inter-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Inter'; font-style: normal; font-weight: 100 900; font-display: swap;
  src: url('fonts/inter-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

:root {
  --bg:        #fbfaf8;
  --surface:   #ffffff;
  --border:    #e7e3dc;
  --text:      #17181c;
  --muted:     #5d6068;
  --accent:    #3b3fd8;
  --accent-2:  #2a2db0;
  --accent-bg: rgba(59, 63, 216, 0.07);
  --wewatt:    #16a34a;
  --radius:    14px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg:        #101114;
    --surface:   #181a1f;
    --border:    #2a2d35;
    --text:      #f1f1f3;
    --muted:     #a2a6b0;
    --accent:    #8f93ff;
    --accent-2:  #b1b4ff;
    --accent-bg: rgba(143, 147, 255, 0.10);
    --wewatt:    #4ade80;
  }
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  background: var(--bg); color: var(--text);
  line-height: 1.6; -webkit-font-smoothing: antialiased;
  min-height: 100vh; display: flex; flex-direction: column;
}
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-2); text-decoration: underline; }
h1, h2, h3 { line-height: 1.12; letter-spacing: -0.025em; font-weight: 800; overflow-wrap: break-word; }
h1 { font-size: clamp(2.2rem, 6vw, 3.6rem); }
h2 { font-size: clamp(1.4rem, 3vw, 1.9rem); }
h3 { font-size: 1.1rem; font-weight: 700; letter-spacing: -0.01em; }
p { color: var(--muted); }

.container { width: 100%; max-width: 960px; margin: 0 auto; padding: 0 1.5rem; }
main { flex: 1; }

/* Header */
.header { border-bottom: 1px solid var(--border); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { font-weight: 800; font-size: 1.25rem; letter-spacing: -0.03em; color: var(--text); }
.brand:hover { color: var(--text); text-decoration: none; }
.brand span { color: var(--accent); }
.nav { display: flex; gap: 1.5rem; list-style: none; }
.nav a { color: var(--muted); font-weight: 600; font-size: 0.9rem; }
.nav a:hover { color: var(--text); text-decoration: none; }

/* Hero */
.hero { padding: 6rem 0 5rem; }
.eyebrow {
  display: inline-block; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--accent); background: var(--accent-bg); padding: 0.35rem 0.75rem; border-radius: 999px; margin-bottom: 1.5rem;
}
.hero p { font-size: 1.15rem; max-width: 620px; margin-top: 1.25rem; }
.hero em { font-style: normal; color: var(--accent); }

section { padding: 4rem 0; border-top: 1px solid var(--border); }
.section-label { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); margin-bottom: 0.75rem; }
.lead { max-width: 640px; margin-top: 0.75rem; }

/* Cards */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1rem; margin-top: 2rem; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.5rem; }
.card h3 { margin-bottom: 0.4rem; }
.card p { font-size: 0.95rem; }

/* Product */
.product {
  display: grid; grid-template-columns: 1.4fr 1fr; gap: 2rem; align-items: center; margin-top: 2rem;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 2rem;
}
.product-name { font-size: 1.6rem; font-weight: 800; letter-spacing: -0.03em; color: var(--text); }
.product-name span { color: var(--wewatt); }
.product ul { list-style: none; display: grid; gap: 0.5rem; }
.product li { font-size: 0.95rem; color: var(--muted); padding-left: 1.4rem; position: relative; }
.product li::before { content: "✓"; position: absolute; left: 0; color: var(--wewatt); font-weight: 700; }
.btn {
  display: inline-block; margin-top: 1.25rem; padding: 0.7rem 1.4rem; border-radius: 10px;
  background: var(--text); color: var(--bg); font-weight: 700; font-size: 0.9rem;
}
.btn:hover { background: var(--accent); color: #fff; text-decoration: none; }
@media (prefers-color-scheme: dark) { .btn:hover { color: #101114; } }

/* Contact */
.contact { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 2rem; margin-top: 2rem; }
.contact h3 { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); margin-bottom: 0.5rem; }
.contact p { color: var(--text); }

/* Legal pages */
.legal { padding: 4rem 0; }
.legal h1 { font-size: clamp(1.8rem, 4vw, 2.5rem); margin-bottom: 0.5rem; }
.legal .date { font-size: 0.85rem; margin-bottom: 2.5rem; }
.legal h2 { font-size: 1.1rem; letter-spacing: -0.01em; margin: 2rem 0 0.5rem; }
.legal p, .legal li { color: var(--text); max-width: 680px; }
.legal p + p { margin-top: 0.5rem; }

/* Footer */
.footer { border-top: 1px solid var(--border); padding: 2rem 0; font-size: 0.85rem; }
.footer-inner { display: flex; flex-wrap: wrap; gap: 0.75rem 1.5rem; justify-content: space-between; color: var(--muted); }
.footer a { color: var(--muted); }
.footer a:hover { color: var(--text); }
.footer nav { display: flex; gap: 1.25rem; }

@media (max-width: 700px) {
  .hero { padding: 4rem 0 3rem; }
  section { padding: 3rem 0; }
  .product { grid-template-columns: 1fr; padding: 1.5rem; }
  .nav { gap: 1rem; }
}

.mt { margin-top: 1rem; }
.mt-s { margin-top: 0.5rem; }