/* ============================================================
   MemoryKey — design system
   Elegant, minimal, warm. Serif display + clean sans.
   ============================================================ */

:root{
  --ink:        #14130f;
  --ink-soft:   #44423b;
  --paper:      #f7f4ee;
  --paper-2:    #efeae1;
  --cream:      #fffdf8;
  --line:       #e3ddd1;
  --charcoal:   #16150f;
  --charcoal-2: #201f17;
  --green:      #56d364;   /* echoes the product screen */
  --green-deep: #3aa14a;
  --shadow-sm:  0 1px 2px rgba(20,19,15,.05), 0 6px 18px rgba(20,19,15,.06);
  --shadow-md:  0 4px 12px rgba(20,19,15,.08), 0 24px 60px rgba(20,19,15,.12);
  --shadow-lg:  0 30px 90px rgba(20,19,15,.22);
  --r:          18px;
  --r-lg:       28px;
  --maxw:       1160px;
  --ease:       cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;
  color:var(--ink);
  background:var(--paper);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ---------- Typography ---------- */
h1,h2,h3,h4{
  font-family:'Fraunces',Georgia,serif;
  font-weight:400;
  letter-spacing:-.01em;
  line-height:1.04;
  color:var(--ink);
}
h1{font-size:clamp(2.6rem,6.2vw,5rem)}
h1 em{font-style:italic;font-weight:300}
h2{font-size:clamp(2rem,3.8vw,3.1rem);letter-spacing:-.015em}
h3{font-size:1.3rem;letter-spacing:-.01em}
.eyebrow{
  display:inline-block;
  font-family:'Inter',sans-serif;
  font-size:.74rem;font-weight:600;
  letter-spacing:.22em;text-transform:uppercase;
  color:var(--green-deep);
  margin-bottom:18px;
}
.eyebrow--light{color:var(--ink-soft)}
.section-head{max-width:720px;margin:0 auto 60px;text-align:center}
.section-sub{margin-top:18px;color:var(--ink-soft);font-size:1.08rem}

/* ---------- Buttons ---------- */
.btn{
  --bg:var(--ink);--fg:var(--cream);
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  font-family:'Inter',sans-serif;font-weight:600;font-size:.95rem;
  padding:15px 28px;border-radius:100px;border:1px solid transparent;
  cursor:pointer;transition:transform .35s var(--ease),box-shadow .35s var(--ease),background .3s,color .3s;
  will-change:transform;
}
.btn--ink{background:var(--ink);color:var(--cream);box-shadow:var(--shadow-sm)}
.btn--ink:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn--ghost:hover{border-color:var(--ink);transform:translateY(-2px)}
.btn--green{background:var(--green);color:#0c2410;box-shadow:0 8px 30px rgba(86,211,100,.35)}
.btn--green:hover{transform:translateY(-2px);box-shadow:0 14px 40px rgba(86,211,100,.45)}
.btn--block{width:100%}
.btn--lg{padding:19px 40px;font-size:1.05rem}

/* ---------- Nav ---------- */
.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(247,244,238,.78);
  backdrop-filter:saturate(160%) blur(14px);
  -webkit-backdrop-filter:saturate(160%) blur(14px);
  border-bottom:1px solid rgba(227,221,209,.7);
}
.nav__inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.nav__brand img{height:30px;width:auto}
.nav__links{display:flex;gap:34px}
.nav__links a{font-size:.92rem;font-weight:500;color:var(--ink-soft);transition:color .25s}
.nav__links a:hover{color:var(--ink)}
.nav__cta{padding:11px 22px;font-size:.9rem}

/* ---------- Hero ---------- */
.hero{position:relative;padding:clamp(48px,8vw,96px) 0 0;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;z-index:0;
  background:
    radial-gradient(900px 480px at 78% 8%, rgba(86,211,100,.10), transparent 60%),
    radial-gradient(700px 500px at 10% 30%, rgba(20,19,15,.045), transparent 60%);
  pointer-events:none;
}
.hero__grid{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero__copy{max-width:560px}
.lede{margin:26px 0 32px;font-size:1.18rem;color:var(--ink-soft);max-width:30em}
.hero__actions{display:flex;gap:14px;flex-wrap:wrap}
.hero__trust{list-style:none;display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:34px}
.hero__trust li{font-size:.9rem;color:var(--ink-soft);display:flex;align-items:center;gap:8px}
.hero__trust span{color:var(--green-deep)}

/* device frame */
.hero__media{position:relative;display:flex;flex-direction:column;align-items:center}
.device-frame{
  position:relative;width:min(420px,90%);
  border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--shadow-lg);
  background:var(--charcoal);
  rotate:1.4deg;
  transition:rotate .6s var(--ease),transform .6s var(--ease);
}
.device-frame:hover{rotate:0deg;transform:translateY(-4px)}
.device-frame img{width:100%;height:auto;object-fit:cover}
.hero__caption{
  margin-top:24px;font-family:'Fraunces',serif;font-style:italic;
  font-size:1.05rem;color:var(--ink-soft);text-align:center;
}

/* marquee */
.hero__marquee{
  margin-top:clamp(48px,7vw,84px);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:18px 0;overflow:hidden;mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
}
.marquee__track{display:flex;gap:0;white-space:nowrap;width:max-content;animation:marquee 34s linear infinite}
.marquee__track span{
  font-family:'Fraunces',serif;font-style:italic;font-size:1.15rem;color:var(--ink);
  padding:0 26px;opacity:.78;
}
.marquee__track i{color:var(--green-deep);font-style:normal}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ---------- Story ---------- */
.story{padding:clamp(72px,10vw,130px) 0}
.story__grid{display:grid;gap:64px}
.story__lead{
  font-family:'Fraunces',serif;font-weight:300;
  font-size:clamp(1.6rem,3.2vw,2.4rem);line-height:1.28;
  letter-spacing:-.01em;max-width:18em;
}
.story__lead strong{font-weight:500;font-style:italic}
.story__points{display:grid;grid-template-columns:repeat(3,1fr);gap:40px}
.point__num{font-family:'Fraunces',serif;font-size:1rem;color:var(--green-deep);display:block;margin-bottom:14px}
.point h3{margin-bottom:10px}
.point p{color:var(--ink-soft);font-size:1rem}

/* ---------- How it works ---------- */
.how{padding:clamp(72px,10vw,120px) 0;background:var(--paper-2)}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.step{
  background:var(--cream);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px;box-shadow:var(--shadow-sm);
  transition:transform .4s var(--ease),box-shadow .4s var(--ease);
}
.step:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.step__media{display:flex;justify-content:center;margin-bottom:26px}
.step__num{font-size:.78rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--green-deep)}
.step__body h3{margin:8px 0 8px}
.step__body p{color:var(--ink-soft);font-size:.98rem}

/* mini device mock */
.mini-device{
  width:118px;height:140px;border-radius:26px;background:var(--charcoal);
  padding:11px;box-shadow:var(--shadow-md);position:relative;
}
.mini-device::after{content:"";position:absolute;right:-3px;top:50%;transform:translateY(-50%);width:5px;height:26px;border-radius:3px;background:#caa46b}
.mini-screen{
  width:100%;height:100%;border-radius:16px;background:#000;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;
  color:var(--green);text-align:center;padding:8px;
}
.mini-screen--photo{background:linear-gradient(150deg,#2b3a24,#10130d)}
.mini-screen--send{background:radial-gradient(circle at 50% 40%,rgba(86,211,100,.22),#0a0d08)}
.mini-screen--carry{background:linear-gradient(150deg,#10130d,#1e2516)}
.mini-date{font-family:'Inter';font-weight:600;font-size:.7rem;letter-spacing:.12em;color:var(--green)}
.mini-label{font-size:.66rem;color:rgba(255,255,255,.62);font-weight:500}
.mini-send,.mini-heart{font-size:1.6rem;color:var(--green)}

/* ---------- Features ---------- */
.features{padding:clamp(72px,10vw,120px) 0}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.feature{
  background:var(--cream);border:1px solid var(--line);border-radius:var(--r);
  padding:30px;transition:transform .4s var(--ease),border-color .3s;
}
.feature:hover{transform:translateY(-4px);border-color:#d2c9b6}
.feature--wide{grid-column:span 2;background:var(--charcoal);border-color:var(--charcoal)}
.feature--wide h3,.feature--wide p{color:#f3efe6}
.feature--wide p{color:rgba(243,239,230,.72)}
.feature--wide .feature__icon{color:var(--green)}
.feature__icon{font-size:1.6rem;margin-bottom:16px;color:var(--green-deep)}
.feature h3{margin-bottom:8px}
.feature p{color:var(--ink-soft);font-size:.98rem}

/* ---------- Banner ---------- */
.banner{background:var(--charcoal);color:var(--cream);padding:clamp(72px,11vw,128px) 0;position:relative;overflow:hidden}
.banner::before{content:"";position:absolute;inset:0;background:radial-gradient(700px 400px at 50% 0%,rgba(86,211,100,.12),transparent 65%)}
.banner__inner{position:relative;text-align:center;display:flex;flex-direction:column;align-items:center;gap:36px}
.banner__quote{
  font-family:'Fraunces',serif;font-weight:300;font-style:italic;
  font-size:clamp(1.7rem,3.6vw,2.7rem);line-height:1.3;max-width:18em;color:#fbf8f1;
}

/* ---------- Cases ---------- */
.cases{padding:clamp(72px,10vw,120px) 0;background:var(--paper-2)}
.cases__row{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.case{background:var(--cream);border:1px solid var(--line);border-radius:var(--r);padding:30px;text-align:center;transition:transform .4s var(--ease)}
.case:hover{transform:translateY(-5px)}
.case span{font-size:2rem;display:block;margin-bottom:14px}
.case h4{font-family:'Fraunces',serif;font-size:1.18rem;margin-bottom:8px}
.case p{color:var(--ink-soft);font-size:.92rem}

/* ---------- Reserve ---------- */
.reserve{padding:clamp(72px,10vw,120px) 0}
.reserve__card{
  display:grid;grid-template-columns:1fr 1fr;gap:0;
  background:var(--charcoal);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--shadow-lg);
}
.reserve__copy{padding:clamp(40px,5vw,64px);color:#f3efe6}
.reserve__copy .eyebrow--light{color:var(--green)}
.reserve__copy h2{color:#fbf8f1}
.reserve__copy p{color:rgba(243,239,230,.72);margin-top:16px;font-size:1.05rem}
.reserve__perks{list-style:none;margin-top:26px;display:grid;gap:12px}
.reserve__perks li{color:rgba(243,239,230,.9);font-size:.98rem}
.reserve__form{padding:clamp(40px,5vw,64px);background:var(--cream);display:flex;flex-direction:column;gap:18px;justify-content:center}
.field{display:flex;flex-direction:column;gap:8px}
.field span{font-size:.86rem;font-weight:600;color:var(--ink-soft)}
.field input{
  font-family:'Inter';font-size:1rem;padding:15px 16px;border:1px solid var(--line);
  border-radius:12px;background:#fff;transition:border-color .25s,box-shadow .25s;
}
.field input:focus{outline:none;border-color:var(--green-deep);box-shadow:0 0 0 4px rgba(86,211,100,.16)}
.form-note{font-size:.8rem;color:#9a958a;text-align:center}
.form-success{font-family:'Fraunces',serif;font-style:italic;color:var(--green-deep);text-align:center;font-size:1.05rem}

/* ---------- FAQ ---------- */
.faq{padding:clamp(72px,10vw,120px) 0;background:var(--paper-2)}
.faq__grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:56px}
.faq__head h2{margin-top:4px}
.faq__list details{border-bottom:1px solid var(--line);padding:22px 0}
.faq__list summary{
  font-family:'Fraunces',serif;font-size:1.18rem;cursor:pointer;list-style:none;
  display:flex;justify-content:space-between;align-items:center;gap:20px;
}
.faq__list summary::-webkit-details-marker{display:none}
.faq__list summary::after{content:"+";color:var(--green-deep);font-size:1.5rem;transition:transform .3s}
.faq__list details[open] summary::after{transform:rotate(45deg)}
.faq__list p{margin-top:14px;color:var(--ink-soft);max-width:46em}

/* ---------- Final ---------- */
.final{padding:clamp(80px,12vw,150px) 0;text-align:center}
.final__inner{display:flex;flex-direction:column;align-items:center;gap:34px}
.final h2{font-size:clamp(2.2rem,5vw,3.8rem);max-width:14em}

/* ---------- Footer ---------- */
.footer{background:var(--charcoal);color:#cfcabd;padding:64px 0 40px}
.footer__inner{display:flex;flex-wrap:wrap;gap:30px;justify-content:space-between;align-items:center}
.footer__brand img{height:26px;margin-bottom:12px}
.footer__brand p{font-family:'Fraunces',serif;font-style:italic;font-size:.96rem;color:#8f8a7e}
.footer__links{display:flex;gap:26px}
.footer__links a{font-size:.9rem;color:#cfcabd;transition:color .25s}
.footer__links a:hover{color:var(--green)}
.footer__legal{font-size:.82rem;color:#76715f;width:100%;border-top:1px solid rgba(255,255,255,.08);padding-top:24px;margin-top:8px}

/* ---------- Reveal on scroll ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width:900px){
  .hero__grid{grid-template-columns:1fr;gap:44px}
  .hero__media{order:-1}
  .story__points{grid-template-columns:1fr;gap:30px}
  .steps{grid-template-columns:1fr}
  .feature-grid{grid-template-columns:1fr 1fr}
  .feature--wide{grid-column:span 2}
  .cases__row{grid-template-columns:1fr 1fr}
  .reserve__card{grid-template-columns:1fr}
  .faq__grid{grid-template-columns:1fr;gap:28px}
  .nav__links{display:none}
}
@media (max-width:560px){
  .wrap{padding:0 18px}
  .feature-grid{grid-template-columns:1fr}
  .feature--wide{grid-column:span 1}
  .cases__row{grid-template-columns:1fr}
  .hero__actions{flex-direction:column;align-items:stretch}
  .hero__actions .btn{width:100%}
  .nav__cta{display:none}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}