:root {
  --bg: #070b16;
  --panel: rgba(16, 24, 42, 0.76);
  --panel-strong: rgba(20, 31, 54, 0.92);
  --text: #f6f8ff;
  --muted: #b9c5dc;
  --soft: #7f8da8;
  --blue: #56b7ff;
  --violet: #9b7cff;
  --green: #63e6be;
  --gold: #ffd36e;
  --line: rgba(255, 255, 255, 0.14);
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.45);
}

* { box-sizing: border-box; }

html { min-height: 100%; }

body {
  min-height: 100vh;
  margin: 0;
  font-family: Manrope, Inter, Arial, Helvetica, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 18% 15%, rgba(86, 183, 255, 0.23), transparent 30%),
    radial-gradient(circle at 88% 22%, rgba(155, 124, 255, 0.23), transparent 26%),
    radial-gradient(circle at 50% 100%, rgba(255, 211, 110, 0.12), transparent 34%),
    linear-gradient(145deg, #050713 0%, #07101f 48%, #101126 100%);
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,0.8), transparent 78%);
}

.shell {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 34px 0;
  position: relative;
  z-index: 1;
}

.hero {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 28px;
}

.f3e-logo {
  width: min(280px, 72vw);
  height: auto;
  display: block;
  margin: 0 auto 4px;
  filter: drop-shadow(0 22px 36px rgba(0,0,0,0.48));
}

.tip-logo {
  width: min(220px, 62vw);
  margin-bottom: 8px;
}

.eyebrow {
  color: var(--green);
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0.22em;
  margin: 0 0 8px;
  font-weight: 800;
}

h1 {
  margin: 0;
  font-size: clamp(44px, 10vw, 88px);
  line-height: 0.94;
  letter-spacing: -0.035em;
}

.motto {
  margin: 4px 0 14px;
  font-family: Manrope, Inter, Arial, Helvetica, sans-serif;
  font-size: clamp(24px, 5.8vw, 42px);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: 0.015em;
  text-transform: lowercase;
  background: linear-gradient(90deg, #fff, #bfe7ff, #d7c7ff);
  -webkit-background-clip: text;
  color: transparent;
  text-shadow: 0 18px 38px rgba(86,183,255,0.08);
}

.intro {
  margin: 0 auto 10px;
  max-width: 680px;
  color: var(--text);
  font-size: clamp(17px, 3.8vw, 22px);
  line-height: 1.45;
  font-weight: 700;
}

.solution-text {
  margin: 0 auto;
  max-width: 720px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.6;
}

.app-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin: 12px auto 22px;
  width: 100%;
}

.app-card {
  min-height: 220px;
  position: relative;
  overflow: hidden;
  text-decoration: none;
  color: var(--text);
  padding: 24px 18px 20px;
  border-radius: 30px;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(255,255,255,0.14), rgba(255,255,255,0.04));
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255,255,255,0.18);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  transform: translateY(0);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
  isolation: isolate;
}

.app-card:active { transform: scale(0.98); }

.app-card:hover, .app-card:focus-visible {
  transform: translateY(-7px);
  border-color: rgba(255,255,255,0.34);
  box-shadow: 0 30px 90px rgba(0,0,0,0.55), 0 0 34px rgba(86,183,255,0.16);
  outline: none;
}

.card-glow {
  position: absolute;
  width: 170px;
  height: 170px;
  top: -55px;
  right: -60px;
  border-radius: 999px;
  background: rgba(86,183,255,0.22);
  filter: blur(4px);
  z-index: -1;
}

.app-shop .card-glow { background: rgba(99,230,190,0.20); }
.app-qpad .card-glow { background: rgba(155,124,255,0.24); }
.app-tip .card-glow { background: rgba(255,211,110,0.22); }

.icon-wrap {
  width: 72px;
  height: 72px;
  border-radius: 24px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  background: rgba(255,255,255,0.10);
  border: 1px solid rgba(255,255,255,0.16);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.18);
}

.icon-wrap svg {
  width: 42px;
  height: 42px;
  fill: currentColor;
}

.app-lk .icon-wrap { color: var(--blue); }
.app-shop .icon-wrap { color: var(--green); }
.app-qpad .icon-wrap { color: var(--violet); }
.app-tip .icon-wrap { color: var(--gold); }

.app-name {
  display: block;
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 8px;
}

.app-desc {
  display: block;
  font-size: 13px;
  line-height: 1.45;
  color: var(--muted);
}

.featured { animation: floatCard 3.8s ease-in-out infinite; }

.pulse-ring {
  position: absolute;
  width: 110px;
  height: 110px;
  border-radius: 999px;
  border: 1px solid rgba(255, 211, 110, 0.42);
  animation: pulseRing 2.2s ease-out infinite;
}

.contact-card {
  width: min(720px, 100%);
  margin: 0 auto;
  padding: 14px 16px;
  border-radius: 22px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.065);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  text-align: center;
}

.contact-card p { margin: 0; color: var(--muted); }

.contact-card a, .return-grid a {
  color: #07101f;
  text-decoration: none;
  background: linear-gradient(135deg, var(--blue), var(--violet));
  padding: 11px 16px;
  border-radius: 999px;
  font-weight: 900;
  box-shadow: 0 12px 28px rgba(86,183,255,0.18);
}

.tip-shell { align-items: center; }

.tip-card {
  width: min(760px, 100%);
  border-radius: 34px;
  padding: clamp(26px, 6vw, 52px);
  text-align: center;
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255,255,255,0.18);
  backdrop-filter: blur(18px);
}

.tip-card h1 {
  font-size: clamp(34px, 8.2vw, 58px);
  letter-spacing: -0.025em;
  font-weight: 700;
  line-height: 1.05;
}

.payment-box {
  margin: 28px auto;
  padding: 22px;
  border-radius: 28px;
  background: var(--panel-strong);
  border: 1px solid var(--line);
  text-align: left;
}

.payment-title {
  margin: 0 0 4px;
  color: var(--text);
  font-size: 1.35em;
  font-weight: 800;
}

.payment-subtitle {
  margin: 0 0 1em;
  color: var(--muted);
  font-size: 0.95em;
}

.payment-box label {
  display: block;
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 0.94em;
  font-weight: 800;
}

.amount-input {
  width: 100%;
  padding: 0.85em 0.95em;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.18);
  font-size: 1rem;
  background: rgba(255,255,255,0.96);
  color: #07101f;
  margin-bottom: 0.75em;
}

.preset-row {
  display: flex;
  gap: 0.55em;
  flex-wrap: wrap;
  margin-bottom: 0.9em;
}

.chip {
  border: 1px solid rgba(255,255,255,0.16);
  background: rgba(255,255,255,0.09);
  color: var(--text);
  border-radius: 999px;
  padding: 0.55em 0.9em;
  cursor: pointer;
  font-weight: 900;
  font-size: 0.92em;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.12);
}

.chip:hover, .chip:focus-visible {
  background: rgba(255,255,255,0.16);
  outline: none;
}

.payfast-button {
  width: 100%;
  border: 2px solid rgba(86,183,255,0.76);
  border-radius: 16px;
  padding: 0.8em 1em;
  font-weight: 800;
  cursor: pointer;
  font-size: 1rem;
  color: var(--text);
  background: linear-gradient(135deg, rgba(86,183,255,0.26), rgba(155,124,255,0.22));
  box-shadow: 0 16px 34px rgba(86,183,255,0.16), inset 0 1px 0 rgba(255,255,255,0.22);
}

.payfast-button:hover, .payfast-button:focus-visible {
  transform: translateY(-1px);
  outline: none;
  box-shadow: 0 20px 40px rgba(86,183,255,0.22), inset 0 1px 0 rgba(255,255,255,0.22);
}

.return-panel h2 {
  margin: 0 0 14px;
  font-size: 20px;
}

.return-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.return-grid a {
  display: block;
  color: var(--text);
  background: rgba(255,255,255,0.09);
  border: 1px solid rgba(255,255,255,0.14);
  box-shadow: none;
}

.return-grid a:hover, .return-grid a:focus-visible {
  background: rgba(255,255,255,0.16);
  outline: none;
}

@keyframes floatCard {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

@keyframes pulseRing {
  0% { transform: scale(0.68); opacity: 0.65; }
  70% { transform: scale(1.35); opacity: 0; }
  100% { transform: scale(1.35); opacity: 0; }
}

@media (max-width: 920px) {
  .shell { justify-content: flex-start; padding-top: 28px; }
  .app-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 540px) {
  .shell { width: min(100% - 22px, 1080px); padding: 22px 0; }
  .f3e-logo { width: min(240px, 76vw); }
  .hero { margin-bottom: 20px; }
  .app-grid { grid-template-columns: 1fr; gap: 13px; margin-top: 16px; }
  .app-card { min-height: 132px; border-radius: 24px; padding: 18px; flex-direction: row; text-align: left; justify-content: flex-start; gap: 16px; }
  .icon-wrap { width: 58px; height: 58px; border-radius: 19px; margin: 0; flex: 0 0 auto; }
  .icon-wrap svg { width: 34px; height: 34px; }
  .app-copy { display: block; }
  .app-name { font-size: 19px; }
  .pulse-ring { left: 18px; width: 78px; height: 78px; }
  .contact-card { align-items: stretch; }
  .contact-card a { width: 100%; }
  .return-grid { grid-template-columns: 1fr; }
  .payment-box { padding: 18px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}