/* M4k Optimizer — sito. Stessa palette dell'app (App.xaml): sfondo, card, accento ciano,
   ambra per il PRO. Nessun font esterno: il pubblico è su Windows, Segoe UI c'è già. */
:root {
  --bg: #06060c;
  --surface: #0c0c18;
  --card: #15152a;
  --raised: #1f1f3a;
  --border: #26263e;
  --text: #dde0f2;
  --dim: #8a8fc0;
  --accent: #00d4ff;
  --accent-ink: #001a22;
  --pro: #f7c65b;
  --pro-ink: #2a1d00;
  --radius: 12px;
  --max: 1080px;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--accent); }
a:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; font-weight: 600; }
h1 { font-size: clamp(2rem, 5vw, 3.25rem); letter-spacing: -.02em; }
h2 { font-size: clamp(1.5rem, 3.2vw, 2.1rem); letter-spacing: -.01em; }
h3 { font-size: 1.1rem; }
p { margin: 0 0 1em; }
.wrap { width: min(var(--max), 100% - 2rem); margin-inline: auto; }
.dim { color: var(--dim); }
.small { font-size: .875rem; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 1rem; top: 1rem; background: var(--card); padding: .5rem 1rem; z-index: 10; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 5; background: rgb(6 6 12 / .85); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); }
.site-header .wrap { display: flex; align-items: center; gap: 1.5rem; height: 64px; }
.brand { display: flex; align-items: center; gap: .6rem; text-decoration: none; color: var(--text); font-weight: 600; letter-spacing: .08em; font-size: .75rem; }
.brand img { width: 52px; }
.nav { display: flex; align-items: center; gap: 1.25rem; margin-left: auto; }
.nav a { color: var(--dim); text-decoration: none; font-size: .95rem; }
.nav a:hover { color: var(--text); }
/* Discord / X logos (header menu and footer): one colour, the link's own, brighter on hover. */
.social { display: inline-flex; align-items: center; padding: .25rem; margin: -.25rem; }
.social svg { width: 19px; height: 19px; fill: currentColor; }
.nav .social:first-of-type { margin-left: .25rem; }
.lang { color: var(--dim); font-size: .85rem; text-decoration: none; border: 1px solid var(--border); border-radius: 6px; padding: .2rem .5rem; }
@media (max-width: 760px) { .nav { display: none; } .site-header .wrap { gap: .75rem; } .header-cta { margin-left: auto; } }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; min-height: 44px; padding: .65rem 1.25rem; border-radius: 8px; font-weight: 600; text-decoration: none; border: 1px solid transparent; transition: filter .15s, background .15s; cursor: pointer; }
.btn-accent { background: var(--accent); color: var(--accent-ink); }
.btn-pro { background: var(--pro); color: var(--pro-ink); }
.btn-ghost { border-color: var(--accent); color: var(--accent); background: transparent; }
.btn:hover { filter: brightness(1.08); }
.btn-ghost:hover { background: rgb(0 212 255 / .08); }
.btn-pro-ghost { border-color: var(--pro); color: var(--pro); background: transparent; }
.btn-pro-ghost:hover { background: rgb(247 198 91 / .08); }
.btn.is-unavailable { opacity: .45; cursor: not-allowed; filter: none; }
.btn-row { display: flex; flex-wrap: wrap; gap: .75rem; }

/* Sections */
section { padding: 4.5rem 0; }
.hero { padding: 5.5rem 0 4rem; }
.hero .lead { font-size: 1.2rem; color: var(--dim); max-width: 40em; }
.hero .note { margin-top: 1rem; }
.hero-mark { width: min(260px, 60vw); height: auto; margin-bottom: 1.75rem; }
.eyebrow { display: inline-block; font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; color: var(--accent); margin-bottom: 1rem; }
.section-head { max-width: 44em; margin-bottom: 2rem; }

.grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr)); }
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.5rem; }
.card h3 { display: flex; align-items: center; gap: .6rem; }
.card p { color: var(--dim); margin: 0; }
.icon { width: 22px; height: 22px; flex: none; stroke: var(--accent); fill: none; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }

/* Plans */
.plans { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(min(340px, 100%), 1fr)); align-items: start; }
.plan { display: flex; flex-direction: column; gap: 1rem; }
.plan.pro { border-color: rgb(247 198 91 / .55); }
.plan .price { font-size: 2.25rem; font-weight: 700; line-height: 1; }
.plan .price small { font-size: 1rem; font-weight: 400; color: var(--dim); }
.plan ul { list-style: none; padding: 0; margin: 0; display: grid; gap: .45rem; }
.plan li { padding-left: 1.6rem; position: relative; color: var(--text); }
.plan li::before { content: ""; position: absolute; left: .2rem; top: .55em; width: .75rem; height: .4rem; border-left: 2px solid var(--accent); border-bottom: 2px solid var(--accent); transform: rotate(-45deg); }
.plan.pro li::before { border-color: var(--pro); }
.plan .price .badge { vertical-align: middle; }
.plan .price-note { margin: -.25rem 0 0; color: var(--text); }
.plan .price-note strong { color: #3ee08a; }
.plan .price-alt { margin: 0; font-size: .95rem; }
.badge-save { background: rgb(0 212 70 / .14); color: #3ee08a; }
.plan-ctas { display: grid; gap: .6rem; }
.badge { display: inline-block; font-size: .75rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; padding: .2rem .55rem; border-radius: 4px; }
.badge-pro { background: rgb(247 198 91 / .14); color: var(--pro); border: 1px solid rgb(247 198 91 / .45); }

/* Steps */
.steps { list-style: none; padding: 0; margin: 0; display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr)); counter-reset: step; }
.steps li { counter-increment: step; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.5rem; }
.steps li::before { content: counter(step); display: grid; place-items: center; width: 2rem; height: 2rem; border-radius: 50%; margin-bottom: .75rem; font-weight: 700; color: var(--pro); background: rgb(247 198 91 / .12); border: 1px solid rgb(247 198 91 / .45); }
.steps p { color: var(--dim); margin: 0; }

/* FAQ */
.faq details { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem 1.25rem; }
.faq details + details { margin-top: .75rem; }
.faq summary { cursor: pointer; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 1rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--accent); font-weight: 400; font-size: 1.25rem; line-height: 1; }
.faq details[open] summary::after { content: "−"; }
.faq details p { color: var(--dim); margin: .75rem 0 0; }

.mt-2 { margin-top: 2rem; }
.mt-15 { margin-top: 1.5rem; }

/* Referral banner */
.ref-banner { background: rgb(247 198 91 / .1); border-bottom: 1px solid rgb(247 198 91 / .35); color: var(--pro); font-size: .9rem; text-align: center; padding: .5rem 1rem; }

/* Legal / long text */
.doc { max-width: 46em; }
.doc h1 { font-size: 2rem; }
.doc h2 { font-size: 1.15rem; margin-top: 2rem; }
.doc p, .doc li { color: #c3c6dc; }
.doc ul { padding-left: 1.25rem; }

/* Footer */
.site-footer { border-top: 1px solid var(--border); padding: 2rem 0 3rem; color: var(--dim); font-size: .875rem; }
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: .75rem 2rem; justify-content: space-between; }
.site-footer nav { display: flex; flex-wrap: wrap; align-items: center; gap: 1.25rem; }
.site-footer a { color: var(--dim); }
.site-footer a.social:hover { color: var(--text); }

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