/* ============================================================================
   mxsender — public marketing site
   Palette + components lifted from the pricing page (Views/plans.php) so the
   whole site shares one look. Mobile-first; animations are GPU-only
   (transform/opacity) and disabled under prefers-reduced-motion.
   ========================================================================== */

:root{
  --ink:#1d1b2e; --muted:#8b8696; --line:#ece9f5;
  --purple:#7c5cff; --purple-2:#9b6bff; --purple-soft:#f3effe;
  --green:#22c55e; --rose:#f43f5e;
  --card:#ffffff;
  --shadow-sm:0 8px 30px rgba(80,60,160,.06);
  --shadow-md:0 14px 44px rgba(80,60,160,.10);
  --shadow-glow:0 18px 50px rgba(124,92,255,.28);
  --radius:20px;
  --maxw:1080px;
  --header-h:64px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{margin:0;padding:0}
body{
  font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);
  min-height:100vh;
  background:
    radial-gradient(1200px 520px at 50% -10%, #efe9ff 0%, rgba(239,233,255,0) 60%),
    linear-gradient(135deg,#f6f3ff 0%,#fdf3fb 45%,#eef4ff 100%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:var(--purple);text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3{letter-spacing:-0.5px;line-height:1.15;margin:0}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.section{padding:64px 0}
.section-head{text-align:center;max-width:640px;margin:0 auto 40px}
.section-head h2{font-size:30px;font-weight:800;margin:0 0 12px}
.section-head p{color:var(--muted);font-size:16px;margin:0}
.eyebrow{display:inline-block;background:var(--purple-soft);color:var(--purple);
  font-weight:700;font-size:12px;letter-spacing:.5px;text-transform:uppercase;
  padding:6px 14px;border-radius:999px;margin-bottom:14px}

/* ---- buttons (same gradient language as the pricing CTAs) ---------------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:0;cursor:pointer;border-radius:14px;padding:14px 24px;
  font:inherit;font-weight:700;font-size:15px;text-decoration:none;
  transition:transform .15s ease, filter .15s ease, background .15s ease}
.btn.solid{background:linear-gradient(135deg,var(--purple),var(--purple-2));color:#fff;
  box-shadow:0 12px 28px rgba(124,92,255,.35)}
.btn.solid:hover{filter:brightness(1.06);transform:translateY(-1px)}
.btn.ghost{background:#fff;color:var(--purple);border:1.5px solid #e4ddfb}
.btn.ghost:hover{background:var(--purple-soft)}
.btn.lg{padding:16px 30px;font-size:16px;border-radius:16px}
.btn.block{width:100%}

/* ============================================================================
   Header / nav
   ========================================================================== */
.site-header{position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.72);backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:18px;height:var(--header-h)}
.brand{display:flex;align-items:center;gap:8px;font-weight:800;font-size:18px;
  letter-spacing:-0.5px;color:var(--ink)}
.brand .dot{width:10px;height:10px;border-radius:50%;
  background:linear-gradient(135deg,var(--purple),var(--purple-2));box-shadow:0 0 0 4px var(--purple-soft)}
.nav-links{display:flex;align-items:center;gap:24px;margin-left:auto}
.nav-links a{color:var(--muted);font-weight:600;font-size:14.5px}
.nav-links a:hover,.nav-links a.active{color:var(--ink)}
.nav-links .nav-tg{display:none} /* desktop uses the button in .nav-actions */
.nav-actions{display:flex;align-items:center;gap:12px}

/* language switcher */
.lang{position:relative}
.lang-btn{display:inline-flex;align-items:center;gap:7px;cursor:pointer;
  background:#fff;border:1px solid var(--line);border-radius:11px;
  padding:8px 12px;font:inherit;font-weight:600;font-size:14px;color:var(--ink)}
.lang-btn:hover{border-color:#e4ddfb}
.lang-btn .caret{transition:transform .2s ease;font-size:10px;color:var(--muted)}
.lang.open .lang-btn .caret{transform:rotate(180deg)}
.lang-menu{position:absolute;right:0;top:calc(100% + 8px);min-width:200px;
  background:#fff;border:1px solid var(--line);border-radius:14px;
  box-shadow:var(--shadow-md);padding:6px;max-height:60vh;overflow:auto;
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .16s ease, transform .16s ease, visibility .16s}
.lang.open .lang-menu{opacity:1;visibility:visible;transform:translateY(0)}
.lang-menu a{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:9px;
  color:var(--ink);font-size:14px;font-weight:600}
.lang-menu a:hover{background:var(--purple-soft)}
.lang-menu a.active{color:var(--purple)}
.lang-menu a .flag{font-size:17px}

/* mobile nav toggle */
.nav-toggle{display:none;flex-direction:column;gap:5px;width:42px;height:42px;
  border:1px solid var(--line);background:#fff;border-radius:11px;cursor:pointer;
  align-items:center;justify-content:center}
.nav-toggle span{width:18px;height:2px;background:var(--ink);border-radius:2px;
  transition:transform .2s ease, opacity .2s ease}
.nav.open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav.open .nav-toggle span:nth-child(2){opacity:0}
.nav.open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============================================================================
   Hero
   ========================================================================== */
.hero{position:relative;padding:56px 0 28px}
.hero-grid{display:grid;grid-template-columns:1fr;gap:40px;align-items:center}
.hero h1{font-size:38px;font-weight:800;margin:0 0 16px}
.hero h1 .grad{background:linear-gradient(120deg,var(--purple),var(--purple-2) 60%,#c084fc);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero .lede{font-size:18px;color:var(--muted);margin:0 0 26px;max-width:560px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:18px}
.hero-trust{display:flex;flex-wrap:wrap;gap:18px;color:var(--muted);font-size:13.5px}
.hero-trust span{display:inline-flex;align-items:center;gap:6px}

/* animated phone / notification mock */
.hero-visual{position:relative;display:flex;justify-content:center}
.phone{position:relative;width:min(320px,86vw);background:#fff;border-radius:30px;
  border:1px solid var(--line);box-shadow:var(--shadow-glow);padding:18px 16px 22px;
  animation:float 6s ease-in-out infinite}
.phone::before{content:"";position:absolute;top:12px;left:50%;transform:translateX(-50%);
  width:90px;height:6px;border-radius:999px;background:#eceaf3}
.phone-app{margin-top:18px;display:flex;align-items:center;gap:10px;
  padding-bottom:14px;border-bottom:1px solid var(--line)}
.phone-app .avatar{width:38px;height:38px;border-radius:50%;
  background:linear-gradient(135deg,var(--purple),var(--purple-2));
  display:grid;place-items:center;color:#fff;font-weight:800}
.phone-app .who{font-weight:700;font-size:14px}
.phone-app .who small{display:block;color:var(--green);font-weight:600;font-size:11.5px}
.hero-feed{display:flex;flex-direction:column}
.notif{margin-top:14px;background:var(--purple-soft);border-radius:16px 16px 16px 4px;
  padding:13px 14px;opacity:0;transform:translateY(10px);
  animation:notifIn .55s ease forwards}  /* stagger/cycle delays set inline by site.js */
.notif .tag{font-size:11px;font-weight:800;color:var(--purple);letter-spacing:.4px}
.notif .ttl{font-weight:700;font-size:14px;margin:3px 0 2px}
.notif .meta{font-size:12.5px;color:var(--muted)}
.notif .price{font-weight:800;color:var(--ink)}
.ping{position:absolute;top:-10px;right:-10px;background:var(--rose);color:#fff;
  font-size:12px;font-weight:800;border-radius:999px;padding:5px 11px;
  box-shadow:0 8px 18px rgba(244,63,94,.4);animation:pop 6s ease-in-out infinite}

/* ============================================================================
   Value props
   ========================================================================== */
.cards-3{display:grid;grid-template-columns:1fr;gap:18px}
.value-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 24px;box-shadow:var(--shadow-sm)}
.value-card .ico{width:52px;height:52px;border-radius:15px;display:grid;place-items:center;
  font-size:26px;background:var(--purple-soft);margin-bottom:16px}
.value-card h3{font-size:19px;font-weight:800;margin:0 0 8px}
.value-card p{color:var(--muted);font-size:15px;margin:0}

/* ============================================================================
   How it works — steps
   ========================================================================== */
.steps{display:grid;grid-template-columns:1fr;gap:18px;counter-reset:step}
.step{position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:26px 24px 24px;box-shadow:var(--shadow-sm)}
.step .num{counter-increment:step;width:40px;height:40px;border-radius:12px;
  display:grid;place-items:center;font-weight:800;color:#fff;margin-bottom:14px;
  background:linear-gradient(135deg,var(--purple),var(--purple-2));
  box-shadow:0 8px 18px rgba(124,92,255,.35)}
.step .num::before{content:counter(step)}
.step h3{font-size:18px;font-weight:800;margin:0 0 6px}
.step p{color:var(--muted);font-size:15px;margin:0}
.center-cta{text-align:center;margin-top:30px}

/* ---- supported sites strip ---- */
.sites{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:8px}
.chip{display:inline-flex;align-items:center;gap:8px;background:#fff;
  border:1px solid var(--line);border-radius:999px;padding:10px 18px;
  font-weight:700;font-size:14px;box-shadow:var(--shadow-sm)}
.chip .emoji{font-size:17px}
.chip.soft{background:var(--purple-soft);border-color:transparent;color:var(--purple)}

/* ============================================================================
   Pricing teaser
   ========================================================================== */
.teaser{background:var(--card);border:1px solid var(--line);border-radius:26px;
  padding:40px 30px;box-shadow:var(--shadow-md);text-align:center}
.teaser .tiers{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin:24px 0 28px}
.tier{flex:1 1 200px;max-width:260px;border:1px solid var(--line);border-radius:18px;
  padding:22px 18px;text-align:left}
.tier.feat{border-color:transparent;box-shadow:var(--shadow-glow);position:relative}
.tier .name{font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.4px;color:var(--purple)}
.tier .amt{font-size:30px;font-weight:800;margin:6px 0 2px}
.tier .amt small{font-size:13px;color:var(--muted);font-weight:600}
.tier .desc{color:var(--muted);font-size:13.5px}

/* ============================================================================
   Final CTA band
   ========================================================================== */
.cta-band{position:relative;overflow:hidden;border-radius:28px;text-align:center;
  padding:54px 28px;color:#fff;
  background:linear-gradient(135deg,var(--purple),var(--purple-2) 70%,#a855f7);
  box-shadow:var(--shadow-glow)}
.cta-band::after{content:"";position:absolute;inset:0;
  background:radial-gradient(600px 200px at 20% 0%, rgba(255,255,255,.25), transparent 60%);
  pointer-events:none}
.cta-band h2{font-size:30px;font-weight:800;margin:0 0 10px;position:relative}
.cta-band p{margin:0 0 24px;opacity:.92;font-size:16px;position:relative}
.cta-band .btn{position:relative;background:#fff;color:var(--purple)}
.cta-band .btn:hover{filter:none;background:#f7f4ff}

/* ============================================================================
   Guide / tutorial page
   ========================================================================== */
.page-hero{text-align:center;padding:48px 0 8px}
.page-hero h1{font-size:34px;font-weight:800;margin:0 0 12px}
.page-hero p{color:var(--muted);font-size:17px;max-width:640px;margin:0 auto}
.prose{max-width:760px;margin:0 auto}
.guide-block{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 26px;box-shadow:var(--shadow-sm);margin-bottom:20px}
.guide-block h2{font-size:22px;font-weight:800;margin:0 0 14px;display:flex;align-items:center;gap:10px}
.guide-block h2 .badge{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:var(--purple-soft);font-size:18px;flex:0 0 auto}
.guide-steps{list-style:none;margin:0;padding:0;counter-reset:gs}
.guide-steps li{position:relative;padding:0 0 16px 44px;counter-increment:gs}
.guide-steps li:last-child{padding-bottom:0}
.guide-steps li::before{content:counter(gs);position:absolute;left:0;top:0;
  width:30px;height:30px;border-radius:9px;display:grid;place-items:center;
  font-weight:800;font-size:14px;color:#fff;
  background:linear-gradient(135deg,var(--purple),var(--purple-2))}
.guide-steps li b{font-weight:700}
.guide-steps li p{margin:4px 0 0;color:var(--muted);font-size:14.5px}
.callout{display:flex;gap:12px;background:#fff7ed;border:1px solid #fed7aa;
  border-radius:14px;padding:14px 16px;margin-top:14px;font-size:14.5px;color:#9a3412}
.callout.good{background:#ecfdf5;border-color:#a7f3d0;color:#065f46}
.callout .i{font-size:18px;flex:0 0 auto}
.usecases{display:grid;grid-template-columns:1fr;gap:14px}
.usecase{border:1px solid var(--line);border-radius:16px;padding:18px;background:#fff}
.usecase .e{font-size:24px}
.usecase h3{font-size:16px;font-weight:800;margin:8px 0 4px}
.usecase p{color:var(--muted);font-size:14px;margin:0}
.tips{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.tips li{display:flex;gap:12px;align-items:flex-start;font-size:15px}
.tips li .e{font-size:20px;flex:0 0 auto}

/* ============================================================================
   Footer
   ========================================================================== */
.site-footer{border-top:1px solid var(--line);margin-top:40px;
  padding:34px 0;color:var(--muted);font-size:13.5px}
.footer-grid{display:flex;flex-wrap:wrap;gap:18px;align-items:center;justify-content:space-between}
.footer-links{display:flex;flex-wrap:wrap;gap:18px}
.footer-links a{color:var(--muted);font-weight:600}
.footer-links a:hover{color:var(--ink)}

/* flash messages (reused from pricing) */
.flash{max-width:560px;margin:14px auto;padding:11px 14px;border-radius:12px;font-size:14px;text-align:center}
.flash.error{background:#fdecef;color:#c01c39;border:1px solid #f6c6cf}
.flash.ok{background:#e9fbf1;color:#0c9d57;border:1px solid #bdebcf}
.flash.info{background:#eef2ff;color:#4f54c9;border:1px solid #cdd5fb}

/* ============================================================================
   Scroll reveal — set by site.js (no layout shift; opacity+transform only)
   ========================================================================== */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease, transform .6s ease}
.reveal.reveal--in{opacity:1;transform:none}
.reveal[data-d="1"]{transition-delay:.08s}
.reveal[data-d="2"]{transition-delay:.16s}
.reveal[data-d="3"]{transition-delay:.24s}

/* ============================================================================
   Keyframes
   ========================================================================== */
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
@keyframes notifIn{0%{opacity:0;transform:translateY(10px)}100%{opacity:1;transform:translateY(0)}}
@keyframes pop{0%,8%{transform:scale(0);opacity:0}14%{transform:scale(1.15);opacity:1}
  20%,100%{transform:scale(1);opacity:1}}

/* ============================================================================
   Responsive — desktop enhancements (mobile is the default above)
   ========================================================================== */
@media (min-width:760px){
  .hero h1{font-size:50px}
  .hero-grid{grid-template-columns:1.05fr .95fr}
  .cards-3{grid-template-columns:repeat(3,1fr)}
  .steps{grid-template-columns:repeat(3,1fr)}
  .usecases{grid-template-columns:repeat(2,1fr)}
  .section{padding:80px 0}
  .section-head h2{font-size:34px}
}
@media (min-width:1024px){
  .hero h1{font-size:56px}
}

/* mobile nav: collapse links into a dropdown panel */
@media (max-width:759px){
  .nav-toggle{display:flex;order:3}
  .brand{margin-right:auto}          /* push actions + toggle to the right */
  .nav-actions{order:2}
  .nav-links{position:absolute;left:0;right:0;top:var(--header-h);flex-direction:column;
    align-items:stretch;gap:0;margin:0;padding:8px;background:#fff;
    border-bottom:1px solid var(--line);box-shadow:var(--shadow-md);
    opacity:0;visibility:hidden;transform:translateY(-8px);
    transition:opacity .16s ease, transform .16s ease, visibility .16s}
  .nav.open .nav-links{opacity:1;visibility:visible;transform:translateY(0)}
  .nav-links a{padding:13px 14px;border-radius:10px;font-size:16px}
  .nav-links a:hover{background:var(--purple-soft)}
  .nav-links .nav-tg{display:block;color:var(--purple);font-weight:700;background:var(--purple-soft);margin-top:4px}
  .nav-actions .btn.tg-cta{display:none} /* shown instead inside the menu + hero/footer */
  .hero h1{font-size:34px}
  .cta-band h2{font-size:24px}
}

/* ============================================================================
   Respect reduced-motion
   ========================================================================== */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none !important;transition:none !important}
  .reveal{opacity:1;transform:none}
  .notif{opacity:1;transform:none}
}