/* ==========================================================================
   Clausio landing — mobile-first vanilla CSS (adapted from claimoria)
   Breakpoints: 375px (base), 768px (tablet), 1200px (desktop)
   Color: navy (#1E1B4B) + purple (#7C3AED) brand — trust/legal palette
   Typography: system serif headlines, system sans-serif body
   ========================================================================== */

/* --- RESET + TOKENS ------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy:       #1E1B4B; --navy-lt: #2d2a6e; --navy-dk: #13103a;
  --purple:     #7C3AED; --purple-dk: #6d28d9; --purple-lt: #8b5cf6;
  --slate:      #475569; --slate-lt: #64748b; --muted: #94a3b8;
  --border:     #e2e8f0; --bg: #ffffff; --bg-alt: #f8fafc; --text: #1e293b;
  --serif: Georgia, 'Times New Roman', Times, serif;
  --sans:  -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
           Helvetica, Arial, sans-serif, 'Apple Color Emoji';
  --s1:.25rem; --s2:.5rem; --s3:.75rem; --s4:1rem; --s5:1.25rem; --s6:1.5rem;
  --s8:2rem;   --s10:2.5rem; --s12:3rem; --s16:4rem; --s20:5rem; --s24:6rem;
  --r-sm:4px; --r-md:8px; --r-lg:16px;
  --sh-sm:0 1px 3px rgba(0,0,0,.08),0 1px 2px rgba(0,0,0,.06);
  --sh-md:0 4px 16px rgba(0,0,0,.10),0 2px 6px rgba(0,0,0,.07);
  --sh-lg:0 10px 40px rgba(0,0,0,.12),0 4px 12px rgba(0,0,0,.08);
}

html { font-size:16px; scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body { font-family:var(--sans); font-size:1rem; line-height:1.6; color:var(--text);
       background:var(--bg); -webkit-font-smoothing:antialiased; -moz-osx-font-smoothing:grayscale; }
img,svg { display:block; max-width:100%; }
a { color:var(--purple-dk); text-decoration:underline; text-underline-offset:2px; }
a:hover,a:focus { color:var(--navy); }
a:focus-visible { outline:2px solid var(--purple); outline-offset:2px; border-radius:2px; }
ul { list-style:none; }
[hidden] { display: none !important; }

/* --- LAYOUT --------------------------------------------------------------- */
.container { width:100%; max-width:1160px; margin-inline:auto; padding-inline:var(--s5); }
@media(min-width:768px)  { .container { padding-inline:var(--s8); } }
@media(min-width:1200px) { .container { padding-inline:var(--s10); } }

/* --- BUTTONS -------------------------------------------------------------- */
.btn {
  display:inline-flex; align-items:center; justify-content:center; gap:var(--s2);
  padding:var(--s3) var(--s6); font-family:var(--sans); font-size:.9375rem;
  font-weight:600; line-height:1.4; text-decoration:none; border:2px solid transparent;
  border-radius:var(--r-md); cursor:pointer; white-space:nowrap;
  transition:background .15s,color .15s,border-color .15s,box-shadow .15s;
}
.btn:focus-visible { outline:2px solid var(--purple); outline-offset:2px; }
.btn--primary  { background:var(--purple); color:#fff; border-color:var(--purple); }
.btn--primary:hover { background:var(--purple-dk); border-color:var(--purple-dk); color:#fff; box-shadow:var(--sh-md); }
.btn--outline  { background:transparent; color:var(--navy); border-color:var(--navy); }
.btn--outline:hover { background:var(--navy); color:#fff; }
.btn--ghost    { background:transparent; color:rgba(255,255,255,.85); border-color:rgba(255,255,255,.35); }
.btn--ghost:hover { background:rgba(255,255,255,.1); color:#fff; border-color:rgba(255,255,255,.6); }
.btn--secondary{ background:var(--bg-alt); color:var(--slate); border-color:var(--border); }
.btn--sm  { padding:var(--s2) var(--s4); font-size:.875rem; }
.btn--lg  { padding:var(--s4) var(--s8); font-size:1rem; }
.btn--full{ width:100%; }

/* --- HEADER --------------------------------------------------------------- */
.site-header {
  position:sticky; top:0; z-index:100;
  background:rgba(255,255,255,.96); backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px); border-bottom:1px solid var(--border);
}
.nav { display:flex; align-items:center; justify-content:space-between; height:60px; }
.nav__logo { display:inline-flex; align-items:center; gap:var(--s2); text-decoration:none; color:var(--navy); }
.nav__logo:hover { color:var(--navy-lt); }
.logo-mark {
  display:inline-flex; align-items:center; justify-content:center;
  width:32px; height:32px; background:var(--navy); color:#fff;
  font-family:var(--serif); font-size:1.1rem; font-weight:700;
  border-radius:var(--r-sm); flex-shrink:0;
}
.logo-text { font-family:var(--sans); font-size:1.0625rem; font-weight:700; letter-spacing:-.01em; color:var(--navy); }

/* --- HERO ----------------------------------------------------------------- */
.hero {
  background:linear-gradient(160deg,var(--navy-dk) 0%,var(--navy) 55%,var(--purple-dk) 100%);
  color:#fff; padding-top:var(--s16); padding-bottom:var(--s16);
}
.hero__inner { display:flex; flex-direction:column; gap:var(--s6); max-width:720px; }
.hero__headline {
  font-family:var(--serif); font-size:clamp(2rem,5.5vw,3.25rem);
  font-weight:700; line-height:1.15; color:#fff; letter-spacing:-.02em;
}
.hero__subhead { font-size:1.125rem; line-height:1.7; color:rgba(255,255,255,.82); max-width:600px; }
.hero__subhead em { font-style:normal; color:#a78bfa; font-weight:600; }
.hero__ctas { display:flex; flex-wrap:wrap; gap:var(--s3); align-items:center; }
.hero__no-cc {
  display:inline-flex; align-items:center; gap:var(--s2);
  font-size:.875rem; color:rgba(255,255,255,.6);
}
.hero__no-cc svg { color:#a78bfa; flex-shrink:0; }
@media(min-width:768px)  { .hero { padding-top:var(--s20); padding-bottom:var(--s20); } .hero__inner { gap:var(--s8); } }
@media(min-width:1200px) { .hero { padding-top:var(--s24); padding-bottom:var(--s24); } .hero__inner { max-width:760px; } }

/* --- SECTION SHARED ------------------------------------------------------- */
.section { padding-top:var(--s16); padding-bottom:var(--s16); }
.section--alt { background:var(--bg-alt); }
.section-label {
  font-size:.8125rem; font-weight:700; letter-spacing:.1em;
  text-transform:uppercase; color:var(--purple-dk); margin-bottom:var(--s4);
}
.section-headline {
  font-family:var(--serif); font-size:clamp(1.5rem,3.5vw,2.25rem);
  font-weight:700; line-height:1.25; color:var(--navy);
  letter-spacing:-.02em; margin-bottom:var(--s5);
}
.section-intro { font-size:1.0625rem; line-height:1.7; color:var(--slate); max-width:680px; margin-bottom:var(--s10); }
@media(min-width:768px)  { .section { padding-top:var(--s20); padding-bottom:var(--s20); } }
@media(min-width:1200px) { .section { padding-top:var(--s24); padding-bottom:var(--s24); } }

/* --- HOW IT WORKS --------------------------------------------------------- */
.steps-grid { display:grid; grid-template-columns:1fr; gap:var(--s5); }
@media(min-width:768px) { .steps-grid { grid-template-columns:repeat(3,1fr); gap:var(--s6); } }
.step-card {
  background:var(--bg); border:1px solid var(--border); border-radius:var(--r-lg);
  padding:var(--s6); display:flex; flex-direction:column; gap:var(--s3); box-shadow:var(--sh-sm);
}
.step-card__num {
  width:40px; height:40px; border-radius:50%; background:var(--navy); color:#fff;
  display:flex; align-items:center; justify-content:center;
  font-size:.9375rem; font-weight:700; flex-shrink:0;
}
.step-card__title { font-size:1rem; font-weight:700; color:var(--navy); line-height:1.3; }
.step-card__body  { font-size:.9375rem; color:var(--slate); line-height:1.6; }

/* --- FEATURES ------------------------------------------------------------- */
.features-grid { display:grid; grid-template-columns:1fr; gap:var(--s5); }
@media(min-width:768px) { .features-grid { grid-template-columns:repeat(3,1fr); gap:var(--s6); } }
.feature-card {
  border:1px solid var(--border); border-radius:var(--r-lg); padding:var(--s6);
  display:flex; flex-direction:column; gap:var(--s3); background:var(--bg);
  box-shadow:var(--sh-sm); transition:box-shadow .2s,transform .2s;
}
.feature-card:hover { box-shadow:var(--sh-md); transform:translateY(-2px); }
.feature-card__icon { font-size:1.75rem; line-height:1; }
.feature-card__title { font-size:1rem; font-weight:700; color:var(--navy); line-height:1.3; }
.feature-card__body  { font-size:.9375rem; color:var(--slate); line-height:1.65; }

/* --- SOCIAL PROOF --------------------------------------------------------- */
.proof-label {
  font-size:.9375rem; font-weight:600; color:var(--slate); text-align:center;
  margin-bottom:var(--s8);
}
.proof-grid { display:grid; grid-template-columns:1fr; gap:var(--s4); }
@media(min-width:768px) { .proof-grid { grid-template-columns:repeat(3,1fr); gap:var(--s5); } }
.proof-card {
  background:var(--bg); border:1px solid var(--border); border-radius:var(--r-lg);
  padding:var(--s5); display:flex; flex-direction:column; gap:var(--s3); box-shadow:var(--sh-sm);
}
.proof-card__tag {
  display:inline-block; padding:var(--s1) var(--s3);
  background:rgba(124,58,237,.08); color:var(--purple-dk);
  border:1px solid rgba(124,58,237,.2); border-radius:100px;
  font-size:.8125rem; font-weight:600; width:fit-content;
}
.proof-card__copy { font-size:.9rem; color:var(--slate); line-height:1.6; }
.proof-card__arrow { color:var(--purple-dk); font-weight:700; }

/* --- PRICING -------------------------------------------------------------- */
.billing-toggle {
  display:inline-flex; border:1px solid var(--border); border-radius:var(--r-md);
  padding:var(--s1); gap:var(--s1); margin-bottom:var(--s8); background:var(--bg-alt);
}
.billing-btn {
  padding:var(--s2) var(--s5); font-size:.875rem; font-weight:600; font-family:var(--sans);
  color:var(--slate); background:transparent; border:none; border-radius:6px;
  cursor:pointer; display:inline-flex; align-items:center; gap:var(--s2);
  transition:background .15s,color .15s;
}
.billing-btn--active { background:#fff; color:var(--navy); box-shadow:var(--sh-sm); }
.billing-save {
  display:inline-block; padding:1px 6px; background:rgba(124,58,237,.1);
  color:var(--purple-dk); border-radius:100px; font-size:.75rem; font-weight:700;
}
.pricing-grid { display:grid; grid-template-columns:1fr; gap:var(--s5); align-items:start; }
@media(min-width:992px) { .pricing-grid { grid-template-columns:repeat(3,1fr); } }
.pricing-card {
  border:1px solid var(--border); border-radius:var(--r-lg); padding:var(--s6);
  display:flex; flex-direction:column; gap:var(--s4); background:var(--bg); box-shadow:var(--sh-sm);
}
.pricing-card--featured { border-color:var(--purple); box-shadow:0 0 0 2px rgba(124,58,237,.2),var(--sh-md); }
.pricing-card__badge {
  font-size:.8125rem; font-weight:700; letter-spacing:.04em; text-transform:uppercase;
  color:var(--purple-dk);
}
.pricing-card__name { font-size:1.125rem; font-weight:700; color:var(--navy); }
.pricing-card__price { display:flex; align-items:baseline; gap:var(--s1); }
.price-amount { font-family:var(--serif); font-size:2.25rem; font-weight:700; color:var(--navy); line-height:1; }
.price-period  { font-size:.9375rem; color:var(--slate-lt); }
.pricing-card__features { display:flex; flex-direction:column; gap:var(--s2); flex:1; }
.pricing-card__features li {
  display:flex; align-items:flex-start; gap:var(--s2);
  font-size:.9rem; color:var(--slate); line-height:1.4;
}
.pricing-card__features li::before {
  content:''; display:inline-block; width:16px; height:16px; flex-shrink:0; margin-top:1px;
  background-image:url("data:image/svg+xml,%3Csvg width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%237C3AED' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round' xmlns='http://www.w3.org/2000/svg'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-repeat:no-repeat; background-size:contain;
}
.pricing-card__features li.feat--no { color:var(--muted); }
.pricing-card__features li.feat--no::before {
  background-image:url("data:image/svg+xml,%3Csvg width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round' xmlns='http://www.w3.org/2000/svg'%3E%3Cline x1='18' y1='6' x2='6' y2='18'/%3E%3Cline x1='6' y1='6' x2='18' y2='18'/%3E%3C/svg%3E");
}

/* --- FAQ ------------------------------------------------------------------ */
.faq-list { display:flex; flex-direction:column; max-width:760px; border-top:1px solid var(--border); }
.faq-item { border-bottom:1px solid var(--border); }
.faq-question {
  width:100%; display:flex; align-items:center; justify-content:space-between;
  gap:var(--s4); padding:var(--s5) 0; font-family:var(--sans); font-size:1rem;
  font-weight:600; color:var(--navy); background:transparent; border:none;
  cursor:pointer; text-align:left; line-height:1.4; transition:color .15s;
}
.faq-question:hover { color:var(--purple-dk); }
.faq-question:focus-visible { outline:2px solid var(--purple); outline-offset:2px; border-radius:var(--r-sm); }
.faq-icon { flex-shrink:0; color:var(--slate-lt); transition:transform .2s; }
.faq-question[aria-expanded="true"] .faq-icon { transform:rotate(180deg); }
.faq-answer { padding-bottom:var(--s5); }
.faq-answer p { font-size:.9375rem; color:var(--slate); line-height:1.7; }

/* --- CTA ------------------------------------------------------------------ */
.cta-section { background:linear-gradient(135deg,var(--navy-dk) 0%,var(--navy) 60%,var(--purple-dk) 100%); color:#fff; }
.cta-inner {
  display:flex; flex-direction:column; align-items:center;
  text-align:center; gap:var(--s5); max-width:640px; margin-inline:auto;
}
.cta-headline {
  font-family:var(--serif); font-size:clamp(1.5rem,3.5vw,2.125rem);
  font-weight:700; line-height:1.25; color:#fff; letter-spacing:-.02em;
}
.cta-body { font-size:1.0625rem; color:rgba(255,255,255,.8); line-height:1.65; }
.cta-no-cc { font-size:.875rem; color:rgba(255,255,255,.5); }

/* --- FOOTER --------------------------------------------------------------- */
.site-footer { background:var(--navy-dk); color:rgba(255,255,255,.7); padding-top:var(--s12); padding-bottom:var(--s10); }
.footer-inner { display:flex; flex-direction:column; gap:var(--s8); }
@media(min-width:768px) {
  .footer-inner { display:grid; grid-template-columns:1fr 1fr; grid-template-rows:auto auto; gap:var(--s8) var(--s12); }
  .footer-disclaimer { grid-column:1/-1; }
}
.footer-logo .logo-text { color:#fff; }
.footer-tagline { font-size:.9rem; color:rgba(255,255,255,.55); margin-top:var(--s3); line-height:1.5; }
.footer-links { display:flex; flex-wrap:wrap; gap:var(--s2) var(--s5); align-items:flex-start; }
.footer-links a { font-size:.875rem; color:rgba(255,255,255,.65); text-decoration:none; transition:color .15s; }
.footer-links a:hover { color:#fff; }
.footer-disclaimer { border-top:1px solid rgba(255,255,255,.1); padding-top:var(--s6); display:flex; flex-direction:column; gap:var(--s3); }
.footer-disclaimer p { font-size:.8125rem; color:rgba(255,255,255,.5); line-height:1.65; max-width:900px; }
.footer-copyright { font-size:.8125rem; color:rgba(255,255,255,.35); }

/* --- REDUCED MOTION ------------------------------------------------------- */
@media(prefers-reduced-motion:reduce) {
  *,*::before,*::after {
    animation-duration:.01ms !important; animation-iteration-count:1 !important;
    transition-duration:.01ms !important; scroll-behavior:auto !important;
  }
}

/* --- LEGAL PAGES (/privacy · /terms · /disclaimer) ----------------------- */
.legal-page { padding: 4rem 0 6rem; }
.legal-page .container { max-width: 720px; }
.legal-page h1 { font-family:var(--serif); font-size:clamp(1.75rem,4vw,2.5rem); font-weight:700; color:var(--navy); margin-bottom:.5rem; }
.legal-page .last-updated { color:var(--slate); font-size:.875rem; margin-bottom:2.5rem; }
.legal-page h2 { font-family:var(--serif); font-size:1.25rem; font-weight:700; color:var(--navy); margin:2rem 0 .75rem; }
.legal-page p,
.legal-page li { color:var(--slate); font-size:.9375rem; line-height:1.7; margin-bottom:.75rem; }
.legal-page ul { padding-left:1.5rem; margin-bottom:1rem; }
.legal-page a { color:var(--purple-dk); }