:root {
  --ink: #10213c;
  --muted: #61728c;
  --blue: #0866e5;
  --cyan: #00bde7;
  --soft: #ecf8ff;
  --line: #d9eaf6;
  --white: #fff;
  --shadow: 0 24px 70px rgba(20, 74, 119, .13);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 87% 13%, rgba(0,189,231,.13), transparent 24rem),
    linear-gradient(180deg, #fbfdff 0%, #f2faff 68%, #fff 100%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image: linear-gradient(rgba(20,102,160,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(20,102,160,.035) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, #000, transparent 70%);
}
a { color: inherit; }
.page-shell { width: min(1180px, calc(100% - 40px)); margin: auto; }
.site-header { height: 96px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; gap: 12px; align-items: center; text-decoration: none; font-size: 1.08rem; letter-spacing: -.02em; }
.brand strong { font-weight: 800; }
.brand-mark { width: 37px; height: 37px; display: grid; grid-template-columns: 1fr 1fr; gap: 3px; padding: 5px; border-radius: 11px; background: var(--ink); box-shadow: 0 7px 18px rgba(13,34,62,.16); transform: rotate(-4deg); }
.brand-mark i { display: block; border-radius: 3px; background: linear-gradient(135deg, #50e6ff, #0a75ee); }
.brand-mark i:nth-child(2), .brand-mark i:nth-child(3) { opacity: .68; }
.support-link { display: flex; align-items: center; gap: 8px; padding: 10px 15px; color: var(--muted); font-weight: 650; text-decoration: none; border-radius: 99px; transition: .2s ease; }
.support-link:hover { color: var(--blue); background: var(--soft); }
.support-link svg { width: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.hero { min-height: 610px; display: grid; grid-template-columns: 1.03fr .97fr; align-items: center; gap: 56px; padding: 58px 0 78px; }
.eyebrow, .mini-label { color: #257394; font-size: .78rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.eyebrow { display: flex; align-items: center; gap: 9px; }
.eyebrow span { width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 5px rgba(0,189,231,.12); }
h1 { margin: 22px 0 22px; font-size: clamp(3.4rem, 7vw, 6.55rem); line-height: .92; letter-spacing: -.07em; font-weight: 820; }
h1 em { font-style: normal; color: transparent; background: linear-gradient(90deg, var(--blue), var(--cyan)); background-clip: text; -webkit-background-clip: text; }
.lead { max-width: 650px; color: var(--muted); font-size: clamp(1.05rem, 1.6vw, 1.28rem); line-height: 1.7; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 32px 0 23px; }
.paypal-button, .mail-button { min-height: 56px; display: inline-flex; justify-content: center; align-items: center; gap: 11px; padding: 0 22px; border-radius: 14px; font-weight: 800; text-decoration: none; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.paypal-button { color: white; background: linear-gradient(115deg, #075ccf, #087fea); box-shadow: 0 12px 28px rgba(8,102,229,.25); }
.paypal-button:hover { transform: translateY(-2px); box-shadow: 0 17px 34px rgba(8,102,229,.32); }
.paypal-button svg { width: 25px; fill: currentColor; }
.paypal-button span { font-size: 1.2rem; }
.mail-button { color: var(--ink); background: white; border: 1px solid var(--line); }
.mail-button:hover { background: var(--soft); transform: translateY(-2px); }
.assurance { display: flex; align-items: center; gap: 8px; color: #718198; font-size: .88rem; }
.assurance svg { width: 18px; height: 18px; padding: 3px; border-radius: 50%; color: #15916a; background: #dcf7eb; fill: none; stroke: currentColor; stroke-width: 2.5; }
.visual { position: relative; min-width: 0; }
.tech-illustration { width: 100%; display: block; filter: drop-shadow(0 30px 30px rgba(25,85,123,.12)); animation: float 6s ease-in-out infinite; }
.floating-chip { position: absolute; display: flex; align-items: center; gap: 8px; padding: 10px 14px; border: 1px solid rgba(214,235,247,.9); border-radius: 11px; color: #416078; background: rgba(255,255,255,.9); box-shadow: 0 10px 28px rgba(35,85,120,.12); backdrop-filter: blur(8px); font-size: .78rem; font-weight: 750; }
.chip-one { top: 13%; right: 2%; }
.chip-one span { width: 8px; height: 8px; border-radius: 50%; background: #22c487; box-shadow: 0 0 0 4px #dbf7ed; }
.chip-two { bottom: 14%; left: -2%; color: var(--blue); }
.support-card { display: grid; grid-template-columns: 1fr 280px; gap: 54px; align-items: center; padding: 55px 62px; background: rgba(255,255,255,.88); border: 1px solid rgba(208,231,245,.88); border-radius: 28px; box-shadow: var(--shadow); backdrop-filter: blur(8px); position: relative; overflow: hidden; }
.support-card::before { content: ""; position: absolute; width: 290px; height: 290px; border-radius: 50%; right: -145px; top: -170px; background: rgba(0,189,231,.09); }
.support-card h2 { margin: 10px 0 14px; font-size: clamp(2rem, 4vw, 3.25rem); line-height: 1.04; letter-spacing: -.055em; }
.support-message > p { max-width: 690px; color: var(--muted); line-height: 1.7; font-size: 1.03rem; }
.signature { display: flex; align-items: center; gap: 12px; margin-top: 28px; }
.signature > span { width: 42px; height: 42px; display: grid; place-items: center; color: #ef4c73; background: #fff0f4; border-radius: 50%; }
.signature div { display: flex; flex-direction: column; }
.signature small { margin-top: 2px; color: #8190a4; }
.qr-panel { padding: 22px 20px 19px; text-align: center; border-radius: 20px; background: linear-gradient(145deg, #f4fbff, #e8f6ff); border: 1px solid #d9ecf8; }
.qr-panel a { display: block; width: fit-content; margin: auto; }
.qr-panel img { display: block; padding: 10px; border-radius: 15px; background: white; box-shadow: 0 7px 23px rgba(40,89,120,.09); }
.qr-panel strong, .qr-panel span { display: block; }
.qr-panel strong { margin-top: 14px; font-size: .9rem; }
.qr-panel span { margin-top: 4px; color: var(--blue); font-size: .76rem; font-weight: 700; }
footer { min-height: 150px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 20px; color: #7b8ba0; font-size: .86rem; }
.footer-brand { justify-self: start; color: var(--ink); font-size: .94rem; }
.brand-mark.small { width: 29px; height: 29px; padding: 4px; border-radius: 8px; }
footer p { text-align: center; }
footer > a:last-child { justify-self: end; color: #516d84; text-decoration: none; }
footer > a:last-child:hover { color: var(--blue); }
a:focus-visible { outline: 3px solid rgba(0,189,231,.5); outline-offset: 4px; }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-9px); } }
@media (max-width: 880px) {
  .hero { grid-template-columns: 1fr; gap: 20px; padding-top: 45px; }
  .hero-copy { text-align: center; }
  .eyebrow, .assurance, .actions { justify-content: center; }
  .lead { margin-inline: auto; }
  .visual { width: min(580px, 96%); margin: 0 auto; }
  .support-card { grid-template-columns: 1fr; text-align: center; padding: 45px 35px; }
  .support-message > p { margin-inline: auto; }
  .signature { justify-content: center; }
  .qr-panel { width: min(280px, 100%); margin: auto; }
}
@media (max-width: 600px) {
  .page-shell { width: min(100% - 26px, 1180px); }
  .site-header { height: 78px; }
  .support-link { font-size: 0; padding: 10px; }
  .hero { min-height: 0; padding: 42px 0 60px; }
  h1 { font-size: clamp(3.1rem, 17vw, 5rem); }
  .lead { font-size: 1.02rem; }
  .actions { flex-direction: column; }
  .paypal-button, .mail-button { width: 100%; }
  .assurance { align-items: flex-start; text-align: left; }
  .visual { margin-top: 10px; }
  .floating-chip { transform: scale(.88); }
  .chip-one { right: -4%; }
  .support-card { padding: 36px 20px; border-radius: 22px; }
  footer { grid-template-columns: 1fr; gap: 13px; padding: 42px 0; text-align: center; }
  .footer-brand, footer > a:last-child { justify-self: center; }
  footer p { margin: 0; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation: none !important; transition: none !important; }
}