/* ============================
   Retainory Landing (Light)
   ============================ */

:root{
  --bg: #f7f7fb;
  --text: #111327;
  --muted: rgba(17,19,39,0.68);
  --muted-2: rgba(17,19,39,0.52);

  --card: rgba(255,255,255,0.72);
  --card-solid: #ffffff;
  --stroke: rgba(12, 18, 46, 0.10);
  --stroke-2: rgba(12, 18, 46, 0.14);

  --shadow: 0 18px 44px rgba(18, 24, 52, 0.12);
  --shadow-soft: 0 14px 32px rgba(18, 24, 52, 0.10);
  --shadow-card: 0 14px 30px rgba(18, 24, 52, 0.10);

  --radius-xl: 26px;
  --radius-lg: 22px;
  --radius-md: 18px;

  --container: 1120px;

  --g0: #6B5BFF; /* purple */
  --g1: #3C8DFF; /* blue */
  --g2: #22C6C5; /* teal */
  --g3: #58E57E; /* green */
  --g4: #FFD66B; /* yellow */

  --brand-grad: linear-gradient(90deg, var(--g0), var(--g1), var(--g2), var(--g3), var(--g4));
  --brand-grad-2: linear-gradient(120deg, var(--g1), var(--g2), var(--g3), var(--g4));
  --brand-grad-3: linear-gradient(120deg, rgba(107,91,255,0.35), rgba(60,141,255,0.25), rgba(34,198,197,0.25), rgba(88,229,126,0.22), rgba(255,214,107,0.22));

  --btn-text: #0d1230;
  --btn-bg: rgba(255,255,255,0.76);

  --ring: 0 0 0 6px rgba(60,141,255,0.12);

  --ease: cubic-bezier(.2,.8,.2,1);
}

*{ box-sizing: border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
}

.no-scroll{ overflow: hidden; }

a{ color: inherit; text-decoration: none; }
img{ max-width:100%; display:block; }
button{ font: inherit; }

.container{
  width: min(var(--container), calc(100% - 48px));
  margin: 0 auto;
}

/* ============ Background ============ */
.bg{
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
}

.bg__top-wave{
  position: absolute;
  inset: -240px -120px auto -120px;
  height: 520px;
  background:
    radial-gradient(1200px 520px at 50% 10%,
      rgba(107,91,255,0.35) 0%,
      rgba(60,141,255,0.22) 26%,
      rgba(34,198,197,0.18) 52%,
      rgba(88,229,126,0.14) 72%,
      rgba(255,214,107,0.14) 100%);
  filter: blur(0px);
  opacity: 0.95;
}

.bg__blob{
  position:absolute;
  width: 560px;
  height: 560px;
  border-radius: 999px;
  filter: blur(38px);
  opacity: 0.48;
  mix-blend-mode: multiply;
  transform: translate3d(0,0,0);
}

.bg__blob--a{
  left: -220px;
  top: 240px;
  background: radial-gradient(circle at 30% 30%, rgba(107,91,255,0.75), rgba(60,141,255,0.18) 56%, rgba(34,198,197,0.10) 78%);
  animation: floatA 14s var(--ease) infinite;
}

.bg__blob--b{
  right: -260px;
  top: 80px;
  background: radial-gradient(circle at 30% 30%, rgba(255,214,107,0.65), rgba(88,229,126,0.20) 52%, rgba(34,198,197,0.12) 78%);
  animation: floatB 16s var(--ease) infinite;
}

.bg__noise{
  position:absolute;
  inset:0;
  opacity: 0.06;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='.35'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
}

@keyframes floatA{
  0%,100%{ transform: translate(-10px, 0px) scale(1); }
  45%{ transform: translate(28px, -22px) scale(1.04); }
  70%{ transform: translate(10px, 18px) scale(0.98); }
}
@keyframes floatB{
  0%,100%{ transform: translate(0px, 0px) scale(1); }
  40%{ transform: translate(-22px, 24px) scale(1.05); }
  75%{ transform: translate(-10px, -14px) scale(0.99); }
}

/* ============ Header / Nav ============ */
.header{
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(247,247,251,0.72);
  border-bottom: 1px solid rgba(12, 18, 46, 0.07);
}

.header__inner{
  height: 76px;
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 18px;
}

.brand{
  display:flex;
  align-items:center;
  gap: 10px;
  user-select:none;
}

.brand__text{
  font-weight: 800;
  letter-spacing: -0.02em;
  font-size: 20px;
  background: var(--brand-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.brand__text--small{
  font-size: 16px;
}

.nav{
  display:flex;
  align-items:center;
  gap: 20px;
  font-weight: 600;
  color: rgba(17,19,39,0.78);
}

.nav__link{
  position: relative;
  padding: 10px 10px;
  border-radius: 12px;
  transition: background .25s var(--ease), color .25s var(--ease), transform .25s var(--ease);
}
.nav__link:hover{
  background: rgba(255,255,255,0.68);
  color: rgba(17,19,39,0.92);
  transform: translateY(-1px);
}
.nav__link--muted{ color: rgba(17,19,39,0.62); }
.nav__caret{ opacity: .6; font-size: 12px; margin-left: 4px; }

.header__cta{
  display:flex;
  align-items:center;
  gap: 10px;
}

.nav-toggle{
  display:none;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  border: 1px solid rgba(12, 18, 46, 0.10);
  background: rgba(255,255,255,0.72);
  box-shadow: 0 10px 20px rgba(18,24,52,0.10);
  cursor: pointer;
}
.nav-toggle span{
  display:block;
  height: 2px;
  width: 18px;
  margin: 4px auto;
  background: rgba(17,19,39,0.75);
  border-radius: 999px;
}

/* Mobile menu */
.mobile-menu{
  border-bottom: 1px solid rgba(12, 18, 46, 0.07);
  background: rgba(247,247,251,0.92);
  backdrop-filter: blur(16px);
}
.mobile-menu__inner{
  padding: 14px 0 18px;
  display:grid;
  gap: 10px;
}
.mobile-menu__link{
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(12, 18, 46, 0.08);
  background: rgba(255,255,255,0.62);
  font-weight: 600;
}
.mobile-menu__link--muted{ opacity: .75; }

/* ============ Buttons ============ */
.btn{
  position: relative;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 10px;
  padding: 12px 18px;
  border-radius: 999px;
  border: 1px solid rgba(12,18,46,0.10);
  background: var(--btn-bg);
  color: var(--btn-text);
  box-shadow: 0 12px 26px rgba(18,24,52,0.12);
  cursor: pointer;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease);
  user-select:none;
  white-space: nowrap;
}

.btn:focus-visible{
  outline: none;
  box-shadow: var(--shadow-soft), var(--ring);
}

.btn:hover{
  transform: translateY(-1px);
  box-shadow: 0 16px 34px rgba(18,24,52,0.14);
}
.btn:active{
  transform: translateY(0px) scale(0.99);
  box-shadow: 0 10px 18px rgba(18,24,52,0.10);
}

.btn--lg{ padding: 14px 22px; font-weight: 700; }
.btn--pill{ padding: 12px 18px; font-weight: 800; }

.btn--primary{
  border: 1px solid rgba(12,18,46,0.08);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.86), rgba(255,255,255,0.72)) padding-box,
    var(--brand-grad) border-box;
  box-shadow: 0 16px 34px rgba(18,24,52,0.14);
}

.btn--ghost{
  background: rgba(255,255,255,0.62);
  border: 1px solid rgba(12,18,46,0.10);
  box-shadow: 0 12px 26px rgba(18,24,52,0.10);
}

.btn--ghost-on-dark{
  background: rgba(255,255,255,0.10);
  border: 1px solid rgba(255,255,255,0.18);
  color: rgba(255,255,255,0.92);
}

.btn--full{ width: 100%; }

.btn__icon{
  width: 26px;
  height: 26px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius: 999px;
  background: rgba(12,18,46,0.06);
}

.btn__shine{
  position:absolute;
  inset:-2px;
  border-radius: 999px;
  overflow:hidden;
  pointer-events:none;
}
.btn__shine::before{
  content:"";
  position:absolute;
  top:-20%;
  left:-40%;
  width: 60%;
  height: 140%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.55), transparent);
  transform: skewX(-20deg);
  opacity: 0;
}
.btn--primary:hover .btn__shine::before{
  opacity: 1;
  animation: shine 1.1s var(--ease) both;
}
@keyframes shine{
  0%{ transform: translateX(0) skewX(-20deg); }
  100%{ transform: translateX(220%) skewX(-20deg); }
}

/* ============ Hero ============ */
.hero{
  position: relative;
  padding: 56px 0 24px;
}

.hero__grid{
  display:grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 30px;
}

.hero__title{
  margin:0;
  font-size: clamp(40px, 4vw, 58px);
  line-height: 1.04;
  letter-spacing: -0.04em;
}
.hero__title-accent{
  background: linear-gradient(90deg, rgba(17,19,39,0.96), rgba(17,19,39,0.92));
  -webkit-background-clip:text;
  background-clip:text;
  color: transparent;
}

.hero__subtitle{
  margin: 16px 0 22px;
  font-size: 18px;
  line-height: 1.6;
  color: var(--muted);
  max-width: 52ch;
}

.hero__actions{
  display:flex;
  gap: 14px;
  flex-wrap: wrap;
  align-items:center;
  margin-bottom: 18px;
}

.hero__meta{
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
}

.pill{
  display:inline-flex;
  align-items:center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid rgba(12,18,46,0.10);
  background: rgba(255,255,255,0.62);
  box-shadow: 0 12px 24px rgba(18,24,52,0.08);
  color: rgba(17,19,39,0.78);
  font-weight: 600;
  font-size: 13px;
}

.dot{
  width: 8px; height: 8px;
  border-radius: 99px;
  display:inline-block;
}
.dot--green{ background: rgba(88,229,126,0.9); box-shadow: 0 0 0 6px rgba(88,229,126,0.20); }
.dot--blue{ background: rgba(60,141,255,0.95); box-shadow: 0 0 0 6px rgba(60,141,255,0.18); }

.hero__visual{
  position: relative;
  display:flex;
  justify-content:center;
  align-items:center;
  min-height: 420px;
}

.glow-ring{
  position:absolute;
  width: 520px;
  height: 520px;
  border-radius: 999px;
  background:
    radial-gradient(circle at 40% 35%, rgba(255,255,255,0.55), rgba(255,255,255,0) 56%),
    radial-gradient(circle at 60% 60%, rgba(60,141,255,0.22), rgba(34,198,197,0.16) 42%, rgba(255,214,107,0.10) 72%, rgba(255,255,255,0) 76%);
  filter: blur(2px);
  opacity: 0.95;
  animation: slowSpin 18s linear infinite;
}
@keyframes slowSpin{
  0%{ transform: rotate(0deg); }
  100%{ transform: rotate(360deg); }
}

.phone{
  position: relative;
  width: min(360px, 100%);
  transform: translateY(2px);
  animation: phoneFloat 6.5s var(--ease) infinite;
}
@keyframes phoneFloat{
  0%,100%{ transform: translateY(2px); }
  50%{ transform: translateY(-8px); }
}
.phone__img{
  width: 100%;
  border-radius: 34px;
  box-shadow: 0 28px 68px rgba(18,24,52,0.22);
  border: 1px solid rgba(12,18,46,0.10);
  background: rgba(255,255,255,0.85);
}
.phone__frame{
  position:absolute;
  inset: -10px -10px -10px -10px;
  border-radius: 44px;
  background:
    radial-gradient(circle at 20% 20%, rgba(107,91,255,0.20), rgba(255,255,255,0) 60%),
    radial-gradient(circle at 70% 70%, rgba(255,214,107,0.18), rgba(255,255,255,0) 62%);
  filter: blur(10px);
  opacity: .8;
  z-index: -1;
}
.phone__shadow{
  position:absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: -26px;
  width: 76%;
  height: 34px;
  background: radial-gradient(closest-side, rgba(18,24,52,0.22), rgba(18,24,52,0.0));
  filter: blur(6px);
  opacity: 0.8;
  z-index: -2;
}

.hero__divider{
  margin-top: 46px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(12,18,46,0.12), transparent);
}

/* ============ Sections ============ */
.section{
  padding: 44px 0;
}
.section--tight{
  padding-top: 22px;
}

.section__heading{
  text-align:center;
  margin-bottom: 22px;
}

.section__title{
  margin: 0;
  font-size: clamp(28px, 2.6vw, 40px);
  letter-spacing: -0.03em;
}
.section__subtitle{
  margin: 10px auto 0;
  color: var(--muted);
  max-width: 72ch;
  line-height: 1.6;
}

.gradient-text{
  background: var(--brand-grad);
  -webkit-background-clip:text;
  background-clip:text;
  color: transparent;
}

/* Cards */
.cards{
  display:grid;
  gap: 16px;
  margin-top: 24px;
}
.cards--3{
  grid-template-columns: repeat(3, 1fr);
}
.card{
  position: relative;
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, rgba(255,255,255,0.82), rgba(255,255,255,0.62));
  border: 1px solid rgba(12,18,46,0.10);
  box-shadow: var(--shadow-card);
  padding: 20px 18px 18px;
  transition: transform .28s var(--ease), box-shadow .28s var(--ease);
  overflow:hidden;
}
.card::before{
  content:"";
  position:absolute;
  inset: -1px;
  border-radius: var(--radius-xl);
  background: var(--brand-grad-3);
  opacity: 0.55;
  mask: linear-gradient(#000, transparent 70%);
  pointer-events:none;
}
.card:hover{
  transform: translateY(-3px);
  box-shadow: 0 18px 44px rgba(18,24,52,0.14);
}
.card__icon{
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display:flex;
  align-items:center;
  justify-content:center;
  background: rgba(255,255,255,0.72);
  border: 1px solid rgba(12,18,46,0.10);
  box-shadow: 0 12px 24px rgba(18,24,52,0.10);
  margin-bottom: 12px;
}
.icon{
  font-size: 20px;
  line-height: 1;
}
.icon--gradient{
  background: var(--brand-grad);
  -webkit-background-clip:text;
  background-clip:text;
  color: transparent;
  filter: drop-shadow(0 6px 14px rgba(18,24,52,0.14));
}
.card__title{
  margin: 0 0 8px;
  font-size: 18px;
  letter-spacing: -0.02em;
}
.card__text{
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

/* Steps */
.steps{
  position: relative;
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 24px;
}
.step{
  position: relative;
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, rgba(255,255,255,0.84), rgba(255,255,255,0.64));
  border: 1px solid rgba(12,18,46,0.10);
  box-shadow: var(--shadow-card);
  padding: 18px 18px 18px;
  overflow:hidden;
}
.step::before{
  content:"";
  position:absolute;
  inset:-1px;
  border-radius: var(--radius-xl);
  background: var(--brand-grad-3);
  opacity: 0.40;
  mask: linear-gradient(#000, transparent 72%);
  pointer-events:none;
}
.step__badge{
  width: 46px;
  height: 46px;
  border-radius: 16px;
  display:flex;
  align-items:center;
  justify-content:center;
  background: rgba(255,255,255,0.72);
  border: 1px solid rgba(12,18,46,0.10);
  box-shadow: 0 12px 24px rgba(18,24,52,0.10);
  margin-bottom: 10px;
}
.step__title{
  margin: 0 0 8px;
  font-size: 18px;
  letter-spacing: -0.02em;
}
.step__text{
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

/* Arrow connectors (desktop only) */
.step--mid::after,
.step--mid::before{
  content:"";
  position:absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 52px;
  height: 2px;
  background: linear-gradient(90deg, rgba(60,141,255,0.0), rgba(60,141,255,0.55), rgba(255,214,107,0.0));
  opacity: 0.85;
}
.step--mid::before{ left: -40px; }
.step--mid::after{ right: -40px; }

/* ============ CTA Panel ============ */
.cta{
  padding: 34px 0 56px;
}

.cta__panel{
  position: relative;
  border-radius: 30px;
  overflow:hidden;
  border: 1px solid rgba(12,18,46,0.10);
  box-shadow: 0 24px 60px rgba(18,24,52,0.18);
  background: linear-gradient(180deg, rgba(18,24,52,0.92), rgba(13,18,40,0.92));
}

.cta__bg{
  position:absolute;
  inset:-1px;
  background:
    radial-gradient(900px 420px at 15% 25%, rgba(107,91,255,0.35), rgba(0,0,0,0) 60%),
    radial-gradient(860px 420px at 80% 70%, rgba(34,198,197,0.26), rgba(0,0,0,0) 62%),
    radial-gradient(820px 420px at 80% 22%, rgba(255,214,107,0.20), rgba(0,0,0,0) 56%),
    linear-gradient(90deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
  filter: blur(0px);
  opacity: 1;
  animation: ctaGlow 10s var(--ease) infinite;
}
@keyframes ctaGlow{
  0%,100%{ transform: translateY(0px); }
  50%{ transform: translateY(-8px); }
}

.cta__content{
  position: relative;
  padding: 34px 28px;
  text-align:center;
  color: rgba(255,255,255,0.92);
}

.cta__title{
  margin: 0;
  font-size: clamp(28px, 3vw, 44px);
  letter-spacing: -0.03em;
}
.cta__text{
  margin: 10px auto 18px;
  max-width: 72ch;
  color: rgba(255,255,255,0.75);
  line-height: 1.6;
}

.cta__actions{
  display:flex;
  gap: 14px;
  justify-content:center;
  flex-wrap: wrap;
  margin-top: 14px;
}

.cta__fineprint{
  margin-top: 14px;
  font-size: 13px;
  color: rgba(255,255,255,0.60);
}

/* ============ Footer ============ */
.footer{
  padding: 22px 0 36px;
  border-top: 1px solid rgba(12,18,46,0.08);
  background: rgba(255,255,255,0.34);
  backdrop-filter: blur(10px);
}
.footer__inner{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}
.footer__brand{
  display:flex;
  align-items:center;
  gap: 12px;
}
.footer__muted{
  color: rgba(17,19,39,0.62);
  font-size: 13px;
}
.footer__links{
  display:flex;
  gap: 14px;
  color: rgba(17,19,39,0.70);
  font-weight: 600;
  font-size: 13px;
}
.footer__links a:hover{ text-decoration: underline; }

/* ============ Reveal Animations ============ */
.reveal{
  opacity: 0;
  transform: translateY(14px);
  filter: blur(4px);
  transition: opacity .65s var(--ease), transform .65s var(--ease), filter .65s var(--ease);
}
.reveal--in{
  opacity: 1;
  transform: translateY(0px);
  filter: blur(0px);
}

/* ============ Responsive ============ */
@media (max-width: 980px){
  .nav{ display:none; }
  .nav-toggle{ display:inline-flex; flex-direction: column; justify-content:center; }
  .hero__grid{
    grid-template-columns: 1fr;
    gap: 22px;
  }
  .hero__visual{ min-height: 360px; }
  .cards--3{ grid-template-columns: 1fr; }
  .steps{ grid-template-columns: 1fr; }
  .step--mid::after, .step--mid::before{ display:none; }
}

@media (max-width: 520px){
  .header__inner{ height: 70px; }
  .hero{ padding-top: 34px; }
  .btn--lg{ width: 100%; }
  .hero__actions{ gap: 10px; }
  .pill{ font-size: 12px; }
}

/* Motion accessibility */
@media (prefers-reduced-motion: reduce){
  *{ animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .reveal{ opacity: 1; transform: none; filter: none; }
}