*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --black: #0c0c0b;
  --white: #f7f6f2;
  --dim: #3a3937;
  --muted: #6b6965;
  --accent: #18a372;
  --accent-dark: #0d7a55;
  --border: rgba(12,12,11,0.14);
  --border-strong: rgba(12,12,11,0.28);
  --mono: 'DM Mono', monospace;
  --sans: 'DM Sans', sans-serif;
}
html { scroll-behavior: smooth; font-size: 18px; }
body { font-family: var(--sans); background: var(--white); color: var(--black); line-height: 1.6; font-weight: 300; -webkit-font-smoothing: antialiased; }

/* ── NAV ── */
nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; display: flex; align-items: center; justify-content: space-between; padding: 0.75rem 2.5rem; background: rgba(247,246,242,0.94); backdrop-filter: blur(10px); }
.nav-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.nav-logo svg { display: block; }
.nav-logo img { height: 28px; width: auto; }
.nav-wordmark { font-family: var(--mono); font-size: 14px; font-weight: 400; letter-spacing: -0.02em; color: var(--black); }
.nav-wordmark span { color: var(--accent); }
.lang-toggle { display: flex; gap: 0.35rem; align-items: center; }
.lang-btn { font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em; padding: 5px 10px; border: 1px solid var(--border-strong); background: transparent; cursor: pointer; border-radius: 2px; color: var(--muted); transition: all 0.15s; }
.lang-btn.active { color: var(--black); border-color: var(--black); background: rgba(12,12,11,0.04); }
.lang-btn:hover { color: var(--black); border-color: var(--black); }

/* ── HERO ── */
.hero { min-height: 100vh; display: flex; flex-direction: column; justify-content: center; align-items: flex-start; padding: 4rem 2.5rem 4rem; max-width: 920px; margin: 0 auto; width: 100%; }
.eyebrow { font-weight:600; font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.14em; color: var(--accent); margin-bottom: 2rem; text-transform: uppercase; }
h1 { font-size: clamp(2.6rem, 6.5vw, 5.2rem); font-weight: 300; line-height: 1.06; letter-spacing: -0.035em; margin-bottom: 1.75rem; color: var(--black); }
h1 em { font-style: normal; color: var(--accent); }
.hero-sub { color: var(--dim); max-width: 740px; line-height: 1.72; margin-bottom: 2.75rem; font-weight: 300; }
.cta-row { display: flex; gap: 1rem; flex-wrap: wrap; align-items: center; }
.btn-primary { font-size:0.8rem; font-family: var(--mono); letter-spacing: 0.06em; padding: 13px 26px; background: var(--black); color: var(--white); border: 1px solid var(--black); cursor: pointer; border-radius: 2px; text-decoration: none; transition: background 0.15s; }
.btn-primary:hover { background: var(--dim); border-color: var(--dim); }
.btn-ghost { font-size:0.8rem; font-family: var(--mono); letter-spacing: 0.06em; padding: 13px 26px; background: transparent; color: var(--dim); border: 1px solid var(--border-strong); cursor: pointer; border-radius: 2px; text-decoration: none; transition: all 0.15s; }
.btn-ghost:hover { color: var(--black); border-color: var(--black); }

/* ── LAYOUT ── */
section { padding: 6rem 2.5rem; }
.container { max-width: 920px; margin: 0 auto; }
.section-label { font-family: var(--mono); letter-spacing: 0.16em; color: var(--muted); text-transform: uppercase; margin-bottom: 3rem; display: flex; align-items: center; gap: 1rem; }
.section-label::after { content: ''; flex: 1; height: 1px; background: var(--border-strong); }

/* ── LLM BAR ── */
.llm-bar { max-width: 920px;margin: 0 auto; border-top: 1px solid var(--border-strong); padding: 1.1rem 2.5rem; margin-bottom:3rem}
.llm-bar .container { display: flex; flex-direction:column; align-items: center; gap: 1rem; max-width: none; }
.llm-label { font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.16em; color: var(--dim); text-transform: uppercase; white-space: nowrap; }
.llm-logos { display: flex; gap: 2rem; align-items: center; }
.llm-item { display: flex; align-items: center; gap: 8px; }
.llm-item-name { font-family: var(--mono); color: var(--dim); letter-spacing: 0.06em; }
.llm-item svg [fill="white"] { fill: var(--dim); }
.llm-item svg [stroke="white"] { stroke: var(--dim); }

/* ── FEATURES ── */
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(360px, 1fr)); gap: 0; border-top: 1px solid var(--border-strong); border-left: 1px solid var(--border-strong); }
.feature { padding: 2.25rem; border-right: 1px solid var(--border-strong); border-bottom: 1px solid var(--border-strong); }
.feature-num { font-family: var(--mono); font-size: 1.5rem; color: var(--accent); letter-spacing: 0.12em; margin-bottom: 1rem; }
.feature h3 { font-size:1.15rem; font-weight: 500; margin-bottom: 0.5rem; letter-spacing: -0.01em; color: var(--black); }
.feature p { color: var(--dim); line-height: 1.65; }
.feature p code { font-family: var(--mono); font-size: 12px; color: var(--accent-dark); background: rgba(24,163,114,0.08); padding: 1px 4px; border-radius: 2px; }


/* ── PRICING ── */
.plan-card { border: 1px solid var(--border-strong);  width: 100%; position: relative; margin-bottom:6rem; }
.plan-card-bar { position: absolute; top: 0; left: 0; right: 0; height: 2px; background: var(--accent); }
.plan-cols { display: grid; grid-template-columns: 40% 1fr; gap: 4rem; padding: 3rem;}
.plan-left { display: flex; flex-direction: column; align-items: flex-start; }
.plan-price-big { font-size: 7rem; font-weight: 500; letter-spacing: -0.055em; line-height: 1; margin-bottom: 1rem; color: var(--black); }
.plan-price-big sup { font-size: 2.5rem; vertical-align: top; margin-top: 0.6rem; font-weight: 300; }
.plan-once { font-weight:500; font-size: 0.75rem; color: var(--accent); letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 2rem; }
.plan-left .btn-primary { margin-top:0.5rem;margin-bottom: 1.5rem; }
.plan-feat-list { list-style: none; display: flex; flex-direction: column; gap: 0.4rem; padding-top:2rem;}
.plan-feat-list li { color: var(--dim); padding-left: 1.25rem; position: relative; }
.plan-feat-list li::before { content: '✓'; position: absolute; left: 0; color: var(--accent); font-weight: 400; }
.plan-compat{text-align:center;background:var(--border); width:100%; padding:1rem;}
.plan-msg-title{font-size:2.5rem;font-weight:500;line-height:1.2;margin-top:11rem;}
.plan-msg-subtitle{font-size:1.75rem;line-height: 1.2;margin-bottom:3rem;}

@media (max-width: 640px) {
  .plan-cols { grid-template-columns: 1fr; gap: 2rem; }
}


/* ── FOOTER ── */
footer { margin-top: 8rem; border-top: 1px solid var(--border-strong); padding: 2.5rem; }
footer .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }
.footer-brand { display: flex; flex-direction: column; gap: 0.25rem; }
.footer-copyright { font-family: var(--mono); font-size: 14px; font-weight: 400; color: var(--dim); }
.footer-copyright span { color: var(--accent); }
.footer-legal { font-family: var(--mono); font-size: 12px; color: var(--muted); }
.footer-links { display: flex; gap: 1.5rem; flex-wrap: wrap; align-items: center; }
.footer-links a { font-family: var(--mono); font-size: 13px; letter-spacing: 0.06em; color: var(--dim); text-decoration: none; transition: color 0.15s; }
.footer-links a:hover { color: var(--black); }

/* ── LANG SYSTEM — only rule needed ── */
.en, .es, .fr, .it { display: none !important; }
body.lang-en .en { display: revert !important; }
body.lang-es .es { display: revert !important; }
body.lang-fr .fr { display: revert !important; }
body.lang-it .it { display: revert !important; }

@media (max-width: 640px) {
  nav { padding: 1rem 1.25rem; }
  .hero { padding: 5rem 1.25rem 3rem; }
  .hero br{display:none;}
  .plan-left .btn-primary {width:100%;}
  section { padding: 4rem 1.25rem; }
  .llm-bar { padding: 0.75rem 1.25rem; }
  .llm-bar .container { flex-direction: column; align-items: flex-start; gap: 0.75rem; }
  .llm-logos { flex-direction: column; align-items: start; padding-top: 1rem; gap: 1rem; }
  .features-grid { grid-template-columns: 1fr; }
  .plan-cols { padding: 3rem 1.5rem; gap: 0; }
  .plan-left {align-items: center; text-align: center;}
  footer { padding: 2rem 1.25rem 3rem; }
  footer .container { flex-direction: column; align-items: flex-start; }
}