/* ==========================================================================
   FastEdit AI — sito
   Stessa identità del pannello: base NERA (non grigia), luce da campi radiali
   azzurri, accento ciano #5ac8fa, wordmark Orbitron intatto.
   ========================================================================== */

:root {
    --bg:        #000000;
    --ink:       #f2f5f7;
    --ink-dim:   #9aa3ab;
    --ink-faint: #6b747c;
    --accent:    #5ac8fa;
    --accent-lo: #06232e;
    --line:      rgba(255, 255, 255, .09);
    --card:      rgba(255, 255, 255, .035);
    --radius:    18px;
    --wrap:      1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: Inter, -apple-system, "Segoe UI", Roboto, sans-serif;
    font-size: 17px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;

    /* La luce viene da qui, non da superfici più chiare. Tre campi azzurri
       morbidi sul nero: è la stessa ricetta della scocca del pannello. */
    background-image:
        radial-gradient(900px 620px at 50% -10%,  rgba(90, 200, 250, .17), transparent 70%),
        radial-gradient(700px 520px at 8%   38%,  rgba(90, 200, 250, .07), transparent 70%),
        radial-gradient(760px 560px at 98%  76%,  rgba(120, 150, 255, .07), transparent 70%);
    background-attachment: fixed;
}

/* ---------------------------------------------------------------- marchio */

.wordmark {
    font-family: Orbitron, sans-serif;
    font-weight: 900;
    letter-spacing: .14em;
    font-size: 22px;
    color: #fff;
    text-decoration: none;
    text-shadow: 0 0 22px rgba(90, 200, 250, .55);
}
.wordmark .tm {
    font-size: .42em;
    vertical-align: super;
    color: var(--accent);
    letter-spacing: 0;
}
.wordmark.small { font-size: 17px; margin: 0 0 6px; }

/* ------------------------------------------------------------ intestazione */

.site-head {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 16px clamp(18px, 5vw, 44px);
    background: rgba(0, 0, 0, .72);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--line);
}
.site-head nav { display: flex; align-items: center; gap: clamp(12px, 2.4vw, 26px); }
.site-head nav a {
    color: var(--ink-dim);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
}
.site-head nav a:hover { color: var(--ink); }

/* --------------------------------------------------------------- sezioni */

main { max-width: var(--wrap); margin: 0 auto; padding: 0 clamp(18px, 5vw, 44px); }

.band { padding: clamp(56px, 9vw, 104px) 0; border-top: 1px solid var(--line); }
.band.center { text-align: center; }
.band:first-of-type { border-top: 0; }

h1 {
    font-size: clamp(38px, 6.4vw, 68px);
    line-height: 1.06;
    letter-spacing: -.025em;
    font-weight: 800;
    margin: 0 0 22px;
}
h2 {
    font-size: clamp(27px, 3.6vw, 38px);
    letter-spacing: -.02em;
    font-weight: 750;
    margin: 0 0 10px;
}
h3 { font-size: 19px; font-weight: 650; margin: 0 0 8px; letter-spacing: -.01em; }

.eyebrow {
    color: var(--accent);
    font-size: 13px;
    font-weight: 650;
    letter-spacing: .16em;
    text-transform: uppercase;
    margin: 0 0 18px;
}
.lede, .section-lede {
    color: var(--ink-dim);
    font-size: clamp(17px, 2vw, 20px);
    max-width: 62ch;
    margin: 0 0 30px;
}
.section-lede { margin-bottom: 34px; }
.band.center .lede, .band.center .section-lede { margin-left: auto; margin-right: auto; }

/* ------------------------------------------------------------------- hero */

.hero { padding: clamp(64px, 11vw, 128px) 0 clamp(48px, 8vw, 92px); }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 16px; }
.cta-note { color: var(--ink-faint); font-size: 14px; margin: 0; }

/* --------------------------------------------------------------- pulsanti */

.btn-primary, .btn-secondary, .btn-ghost {
    display: inline-block;
    padding: 13px 26px;
    border-radius: 999px;
    font-weight: 650;
    font-size: 16px;
    text-decoration: none;
    transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.btn-primary {
    background: var(--accent);
    color: #04222e;
    box-shadow: 0 0 0 1px rgba(255, 255, 255, .16) inset,
                0 10px 34px rgba(90, 200, 250, .3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 42px rgba(90, 200, 250, .42); }
.btn-primary.big { padding: 17px 40px; font-size: 18px; }

.btn-secondary {
    background: rgba(255, 255, 255, .06);
    color: var(--ink);
    border: 1px solid var(--line);
}
.btn-secondary:hover { background: rgba(255, 255, 255, .1); }

.btn-ghost {
    padding: 9px 18px;
    font-size: 15px;
    border: 1px solid rgba(90, 200, 250, .45);
    color: var(--accent);
}
.btn-ghost:hover { background: rgba(90, 200, 250, .12); }

.wide { display: block; text-align: center; }

/* ------------------------------------------------------------------ card */

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(255px, 1fr));
    gap: 18px;
    margin-top: 30px;
}
.card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 26px 24px;
}
.card p { color: var(--ink-dim); margin: 0; font-size: 15.5px; }
.card strong { color: var(--ink); }

/* -------------------------------------------------------------- funzioni */

.feature {
    display: grid;
    grid-template-columns: 74px 1fr;
    gap: 20px;
    align-items: start;
    padding: 24px 0;
    border-top: 1px solid var(--line);
}
.feature:first-of-type { border-top: 0; }
.feature p { color: var(--ink-dim); margin: 0; font-size: 15.5px; max-width: 66ch; }

.feature-tag {
    font-size: 11px;
    font-weight: 750;
    letter-spacing: .1em;
    text-transform: uppercase;
    padding: 5px 0;
    text-align: center;
    border-radius: 999px;
    margin-top: 3px;
}
.feature-tag.free { background: rgba(255, 255, 255, .07); color: var(--ink-dim); }
.feature-tag.pro  { background: rgba(90, 200, 250, .16); color: var(--accent);
                    box-shadow: 0 0 0 1px rgba(90, 200, 250, .3) inset; }

/* ----------------------------------------------------------------- piani */

.plans {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    align-items: start;
}
.plan {
    position: relative;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 22px;
    padding: 30px 28px;
}
.plan.featured {
    border-color: rgba(90, 200, 250, .42);
    background: linear-gradient(180deg, rgba(90, 200, 250, .09), rgba(255, 255, 255, .03));
    box-shadow: 0 0 60px rgba(90, 200, 250, .12);
}
.plan-badge {
    position: absolute;
    top: -11px; left: 28px;
    background: var(--accent);
    color: #04222e;
    font-size: 11px;
    font-weight: 750;
    letter-spacing: .1em;
    text-transform: uppercase;
    padding: 4px 12px;
    border-radius: 999px;
}
.price { margin: 6px 0 4px; }
.price .amount { font-size: 46px; font-weight: 800; letter-spacing: -.03em; }
.price .per { color: var(--ink-faint); font-size: 17px; margin-left: 4px; }
.plan-for { color: var(--ink-dim); font-size: 15px; margin: 0 0 20px; }
.plan ul { list-style: none; padding: 0; margin: 0 0 24px; }
.plan li {
    padding: 7px 0 7px 26px;
    position: relative;
    font-size: 15.5px;
    color: var(--ink-dim);
}
.plan li::before {
    content: "";
    position: absolute;
    left: 2px; top: 15px;
    width: 12px; height: 6px;
    border-left: 2px solid var(--accent);
    border-bottom: 2px solid var(--accent);
    transform: rotate(-45deg);
}
.plan li strong { color: var(--ink); }
.plan-note { color: var(--ink-faint); font-size: 14px; text-align: center; margin: 12px 0 0; }
.plan-note strong { color: var(--ink-dim); }

.byok-note {
    margin: 34px 0 0;
    padding: 20px 22px;
    border: 1px solid var(--line);
    border-left: 3px solid var(--accent);
    border-radius: 12px;
    background: rgba(90, 200, 250, .05);
    color: var(--ink-dim);
    font-size: 15px;
    max-width: 78ch;
}
.byok-note strong { color: var(--ink); }
.byok-note a { color: var(--accent); }

/* ------------------------------------------------------------------- FAQ */

details {
    border-top: 1px solid var(--line);
    padding: 18px 0;
}
details summary {
    cursor: pointer;
    font-weight: 600;
    font-size: 17px;
    list-style: none;
    display: flex;
    justify-content: space-between;
    gap: 16px;
}
details summary::-webkit-details-marker { display: none; }
details summary::after {
    content: "+";
    color: var(--accent);
    font-size: 21px;
    line-height: 1;
    flex: none;
}
details[open] summary::after { content: "–"; }
details p { color: var(--ink-dim); font-size: 15.5px; max-width: 72ch; margin: 12px 0 0; }
details strong { color: var(--ink); }

/* ---------------------------------------------------------------- footer */

footer {
    border-top: 1px solid var(--line);
    padding: 44px clamp(18px, 5vw, 44px) 56px;
    max-width: var(--wrap);
    margin: 0 auto;
}
.foot-cols {
    display: flex;
    flex-wrap: wrap;
    gap: 28px;
    justify-content: space-between;
    margin-bottom: 26px;
}
.foot-cols a {
    color: var(--ink-dim);
    text-decoration: none;
    margin-left: 20px;
    font-size: 15px;
}
.foot-cols a:first-child { margin-left: 0; }
.foot-cols a:hover { color: var(--ink); }
.muted { color: var(--ink-faint); font-size: 15px; margin: 0; }
.legal { color: var(--ink-faint); font-size: 12.5px; margin: 0; max-width: 76ch; line-height: 1.6; }

/* ------------------------------------------------------- schermi stretti */

@media (max-width: 620px) {
    .site-head nav a:not(.btn-ghost) { display: none; }
    .feature { grid-template-columns: 1fr; gap: 10px; }
    .feature-tag { width: 74px; }
}

/* Pagine di testo (privacy, termini). */
.doc { max-width: 74ch; padding: clamp(40px, 7vw, 76px) 0; }
.doc h1 { font-size: clamp(30px, 4.4vw, 42px); }
.doc h2 { font-size: 21px; margin-top: 36px; }
.doc p, .doc li { color: var(--ink-dim); font-size: 16px; }
.doc strong { color: var(--ink); }
.doc a { color: var(--accent); }
.doc .updated { color: var(--ink-faint); font-size: 14px; }