/* ============================================================
   StudyMeet — landing styles
   Palette: clinical blue + white, teal = brand/action (from app),
   amber = single highlighter accent (from App Store screenshots)
   ============================================================ */

:root{
  /* color */
  --navy-900:#08182E;
  --navy-800:#0B2545;
  --navy-700:#13375F;
  --blue-600:#1D6FD8;
  --blue-500:#3B87E8;
  --blue-100:#E3EDFB;
  --blue-50:#F2F7FD;

  --teal-700:#0F766E;
  --teal-600:#0D9488;
  --teal-400:#2DD4BF;
  --teal-50:#ECFAF8;

  --amber:#F5A524;

  --ink:#0F1F33;
  --body:#475A70;
  --muted:#6B7F95;
  --line:#E2EAF2;
  --white:#FFFFFF;
  --paper:#F6F9FC;

  /* type */
  --display:"Bricolage Grotesque","Segoe UI",system-ui,sans-serif;
  --sans:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;

  /* space + shape */
  --wrap:1180px;
  --r-sm:10px;
  --r:16px;
  --r-lg:24px;
  --r-xl:32px;

  --sh-sm:0 1px 2px rgba(11,37,69,.06), 0 2px 8px rgba(11,37,69,.05);
  --sh:0 4px 12px rgba(11,37,69,.07), 0 12px 32px rgba(11,37,69,.07);
  --sh-lg:0 18px 50px rgba(8,24,46,.16), 0 4px 14px rgba(8,24,46,.08);
  --sh-phone:0 40px 90px rgba(8,24,46,.38), 0 12px 30px rgba(8,24,46,.22);

  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--sans);
  font-size:17px;
  line-height:1.65;
  color:var(--body);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
h1,h2,h3,h4{font-family:var(--display);color:var(--ink);margin:0;line-height:1.12;letter-spacing:-.02em}
p{margin:0}
a{color:var(--blue-600);text-decoration:none}
a:hover{color:var(--teal-600)}
ul,ol{margin:0;padding:0;list-style:none}

:focus-visible{outline:3px solid var(--teal-600);outline-offset:3px;border-radius:6px}

/* Author rules like .field{display:flex} beat the UA's [hidden]{display:none},
   so the attribute silently stops working. This restores it. */
[hidden]{display:none !important}

.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:24px}
.wrap-narrow{max-width:820px}

.skip-link{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--navy-800);color:#fff;padding:12px 18px;border-radius:0 0 10px 0;font-weight:600;
}
.skip-link:focus{left:0;color:#fff}

/* ---------- eyebrow / marker ---------- */
.eyebrow{
  font-family:var(--mono);font-size:12px;font-weight:600;
  letter-spacing:.16em;text-transform:uppercase;color:var(--teal-400);
  margin:0 0 14px;
}
.eyebrow-dark{color:var(--blue-600)}

/* signature: highlighter marker (continuity with App Store shots) */
.mark{position:relative;display:inline-block;color:var(--ink);z-index:0}
.mark::before{
  content:"";position:absolute;z-index:-1;
  left:-.12em;right:-.12em;bottom:.06em;height:.42em;
  background:var(--amber);border-radius:6px;
  transform:scaleX(0);transform-origin:left center;
  animation:swipe .75s var(--ease) .35s forwards;
}
.hero .mark{color:#fff}
@keyframes swipe{to{transform:scaleX(1)}}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-family:var(--sans);font-weight:600;font-size:16px;line-height:1;
  padding:16px 26px;border-radius:999px;border:2px solid transparent;
  cursor:pointer;transition:transform .18s var(--ease),background .18s,box-shadow .18s,color .18s,border-color .18s;
  white-space:nowrap;
}
.btn-sm{padding:11px 20px;font-size:15px}
.btn-primary{background:var(--teal-600);color:#fff;box-shadow:0 6px 18px rgba(13,148,136,.28)}
.btn-primary:hover{background:var(--teal-700);color:#fff;transform:translateY(-2px);box-shadow:0 10px 26px rgba(13,148,136,.34)}
.btn-outline{background:#fff;color:var(--navy-800);border-color:var(--line)}
.btn-outline:hover{border-color:var(--teal-600);color:var(--teal-700);transform:translateY(-2px)}
.btn-ghost-light{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.34);backdrop-filter:blur(6px)}
.btn-ghost-light:hover{background:rgba(255,255,255,.16);color:#fff;border-color:#fff;transform:translateY(-2px)}
.w-full{width:100%}

/* App Store badge */
.appstore-btn{
  display:inline-flex;align-items:center;gap:12px;
  background:#0B1220;color:#fff;border:1px solid rgba(255,255,255,.22);
  padding:11px 22px 11px 18px;border-radius:14px;
  transition:transform .18s var(--ease),box-shadow .18s,background .18s;
  box-shadow:0 8px 22px rgba(8,24,46,.28);
}
.appstore-btn:hover{background:#000;color:#fff;transform:translateY(-2px);box-shadow:0 12px 28px rgba(8,24,46,.36)}
.appstore-txt{display:flex;flex-direction:column;line-height:1.12;text-align:left}
.appstore-txt small{font-size:11px;letter-spacing:.04em;opacity:.86}
.appstore-txt strong{font-size:19px;font-weight:600;letter-spacing:-.01em}
.appstore-sm{padding:9px 18px 9px 15px;margin-top:22px}
.appstore-sm .appstore-txt strong{font-size:17px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:transparent;transition:background .3s,box-shadow .3s,border-color .3s;
  border-bottom:1px solid transparent;
}
.site-header.stuck{
  background:rgba(255,255,255,.86);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom-color:var(--line);
  box-shadow:0 2px 14px rgba(11,37,69,.05);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:76px}
.brand{display:inline-flex;align-items:center;gap:11px}
.brand-mark{display:flex;flex:0 0 auto}
.brand-mark svg{border-radius:9px;box-shadow:0 4px 12px rgba(13,148,136,.3)}
.brand-text{
  font-family:var(--display);font-weight:800;font-size:22px;letter-spacing:-.02em;
  color:#fff;transition:color .3s;
}
.brand-text span{color:var(--teal-400)}
.site-header.stuck .brand-text{color:var(--navy-800)}
.site-header.stuck .brand-text span{color:var(--teal-600)}
.brand-text.light{color:#fff}

.nav{display:flex;align-items:center;gap:30px}
.nav a{
  font-size:15px;font-weight:500;color:rgba(255,255,255,.86);transition:color .2s;
}
.nav a:hover{color:#fff}
.site-header.stuck .nav a{color:var(--body)}
.site-header.stuck .nav a:hover{color:var(--teal-700)}
.nav .nav-cta{color:#fff}
.site-header.stuck .nav .nav-cta{color:#fff}

.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:46px;height:42px;padding:0 10px;background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.3);border-radius:11px;cursor:pointer;
}
.nav-toggle span{display:block;height:2px;background:#fff;border-radius:2px;transition:transform .25s,opacity .2s}
.site-header.stuck .nav-toggle{background:var(--blue-50);border-color:var(--line)}
.site-header.stuck .nav-toggle span{background:var(--navy-800)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- hero ---------- */
.hero{
  position:relative;
  background:
    radial-gradient(1100px 520px at 82% 4%, rgba(45,212,191,.30), transparent 62%),
    radial-gradient(900px 500px at 8% 0%, rgba(29,111,216,.34), transparent 60%),
    linear-gradient(168deg,var(--navy-900) 0%, var(--navy-800) 42%, var(--navy-700) 100%);
  color:#fff;
  padding-top:40px;
  overflow:hidden;
}
.hero-bg{position:absolute;inset:0;pointer-events:none}
.hero-bg .ecg{position:absolute;left:0;right:0;top:38%;width:100%;height:120px;opacity:.5}
.hero-bg .ecg path{stroke-dasharray:2600;stroke-dashoffset:2600;animation:trace 3.2s var(--ease) .5s forwards}
@keyframes trace{to{stroke-dashoffset:0}}

.hero-grid{
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
  padding-block:76px 96px;position:relative;z-index:2;
}
.hero-copy h1{
  font-size:clamp(2.6rem,4.6vw,4rem);font-weight:800;color:#fff;letter-spacing:-.03em;
  margin-bottom:22px;
}
.lede{font-size:clamp(1.03rem,1.25vw,1.18rem);color:#C3D6EC;max-width:31em;margin-bottom:34px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}

.trust{display:flex;flex-wrap:wrap;gap:10px 26px;font-size:14.5px;color:#A9C2DC}
.trust li{display:flex;align-items:center;gap:9px}
.trust .dot{width:7px;height:7px;border-radius:50%;background:var(--teal-400);flex:0 0 auto;box-shadow:0 0 0 3px rgba(45,212,191,.18)}

/* hero art */
.hero-art{position:relative;display:flex;justify-content:center;align-items:center;min-height:560px}
.phone{
  border-radius:34px;overflow:hidden;box-shadow:var(--sh-phone);
  border:1px solid rgba(255,255,255,.14);
  animation:rise .8s var(--ease) backwards;
}
.phone img{display:block;width:100%;height:auto}
.phone-front{width:280px;position:relative;z-index:2;animation-delay:.1s}
.phone-back{
  width:238px;position:absolute;right:2%;top:8%;z-index:1;
  transform:rotate(6deg);opacity:.94;animation-delay:.25s;
}
@keyframes rise{from{opacity:0;transform:translateY(28px)}to{opacity:1}}
.phone-back{animation-name:rise-b}
@keyframes rise-b{from{opacity:0;transform:translateY(28px) rotate(6deg)}to{opacity:.94;transform:rotate(6deg)}}

.float-card{
  position:absolute;z-index:3;background:rgba(255,255,255,.97);
  border-radius:16px;box-shadow:var(--sh-lg);padding:12px 16px;
  display:flex;align-items:center;gap:10px;backdrop-filter:blur(8px);
  animation:rise .8s var(--ease) .55s backwards;
}
.float-match{left:-2%;top:16%;gap:7px}
.fc-num{font-family:var(--display);font-weight:800;font-size:22px;color:var(--navy-800)}
.fc-lbl{font-size:13px;font-weight:600;color:var(--muted)}
.float-session{left:-6%;bottom:12%;animation-delay:.7s}
.float-session .fc-ic{
  width:36px;height:36px;border-radius:11px;background:#FFF4E0;color:var(--amber);
  display:grid;place-items:center;flex:0 0 auto;
}
.fc-body{display:flex;flex-direction:column;line-height:1.3}
.fc-body strong{font-size:14px;color:var(--navy-800);font-weight:700}
.fc-body small{font-size:12px;color:var(--muted)}

/* stat strip */
.stat-strip{
  position:relative;z-index:2;
  border-top:1px solid rgba(255,255,255,.13);
  background:rgba(255,255,255,.05);backdrop-filter:blur(6px);
}
.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;padding-block:30px}
.stat{display:flex;flex-direction:column;gap:3px}
.stat strong{font-family:var(--display);font-size:1.85rem;font-weight:800;color:#fff;letter-spacing:-.02em}
.stat span{font-size:14px;color:#9FBAD6}
.stat:nth-child(2) strong{color:var(--teal-400)}

/* ---------- sections ---------- */
.section{padding-block:104px}
.section-alt{background:var(--paper);border-block:1px solid var(--line)}
.section-head{max-width:660px;margin:0 auto 58px;text-align:center}
.section-head h2{font-size:clamp(1.95rem,3.1vw,2.7rem);font-weight:700;margin-bottom:16px}
.section-sub{font-size:1.06rem;color:var(--muted)}

/* feature cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px 28px;box-shadow:var(--sh-sm);
  transition:transform .25s var(--ease),box-shadow .25s,border-color .25s;
}
.card:hover{transform:translateY(-5px);box-shadow:var(--sh);border-color:#CFE0F2}
.card-ic{
  width:50px;height:50px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--blue-50),var(--teal-50));
  color:var(--teal-600);border:1px solid var(--blue-100);margin-bottom:20px;
}
.card h3{font-size:1.22rem;font-weight:700;margin-bottom:10px}
.card p{font-size:15.5px}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;counter-reset:s}
.step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:34px 28px 30px;box-shadow:var(--sh-sm);
}
.step-n{
  display:inline-block;font-family:var(--mono);font-size:13px;font-weight:600;
  color:var(--teal-600);background:var(--teal-50);border:1px solid #CCEDE8;
  padding:5px 11px;border-radius:8px;margin-bottom:18px;letter-spacing:.06em;
}
.step h3{font-size:1.2rem;font-weight:700;margin-bottom:9px}
.step p{font-size:15.5px}

/* gallery */
.showcase{padding-bottom:96px;overflow:hidden}
.gallery{
  display:flex;gap:26px;padding:14px 24px 34px;
  overflow-x:auto;scroll-snap-type:x mandatory;
  justify-content:flex-start;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:thin;
}
.gallery figure{
  margin:0;flex:0 0 auto;width:230px;scroll-snap-align:center;
  transition:transform .3s var(--ease);
}
.gallery figure:hover{transform:translateY(-8px)}
.gallery img{
  border-radius:26px;box-shadow:var(--sh-lg);border:1px solid var(--line);
}
.gallery figcaption{
  text-align:center;margin-top:14px;font-family:var(--mono);
  font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);
}
@media (min-width:1180px){ .gallery{justify-content:center;overflow-x:visible} }

/* pricing */
.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;align-items:start}
.tier{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:36px 30px;box-shadow:var(--sh-sm);display:flex;flex-direction:column;
  transition:transform .25s var(--ease),box-shadow .25s;
}
.tier:hover{transform:translateY(-4px);box-shadow:var(--sh)}
.tier h3{font-size:1.1rem;font-weight:700;color:var(--blue-600);letter-spacing:.01em;margin-bottom:12px}
.tier-price{font-family:var(--display);font-size:2.9rem;font-weight:800;color:var(--ink);letter-spacing:-.03em;line-height:1;margin-bottom:12px}
.tier-price .cur{font-size:1.4rem;vertical-align:super;margin-right:2px;font-weight:700}
.tier-price .per{font-family:var(--sans);font-size:.95rem;font-weight:500;color:var(--muted);letter-spacing:0}
.tier-note{font-size:14.5px;color:var(--muted);margin-bottom:22px;min-height:2.6em}
.tier ul{display:flex;flex-direction:column;gap:12px;margin-bottom:30px;flex:1}
.tier li{position:relative;padding-left:30px;font-size:15.3px;color:var(--body)}
.tier li::before{
  content:"";position:absolute;left:0;top:.42em;width:18px;height:18px;border-radius:50%;
  background:var(--teal-50);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230D9488' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E");
  background-size:12px;background-repeat:no-repeat;background-position:center;
}
.tier-featured{
  border:2px solid var(--teal-600);
  box-shadow:0 20px 46px rgba(13,148,136,.18);
  background:linear-gradient(180deg,#fff 0%,#FAFEFD 100%);
}
.tier-flag{
  position:absolute;top:-14px;left:50%;transform:translateX(-50%);
  background:var(--amber);color:#5A3A00;font-size:12px;font-weight:700;
  font-family:var(--mono);letter-spacing:.08em;text-transform:uppercase;
  padding:6px 14px;border-radius:999px;white-space:nowrap;
  box-shadow:0 6px 16px rgba(245,165,36,.35);
}
.pricing-fine{text-align:center;font-size:13px;color:var(--muted);margin-top:36px;max-width:640px;margin-inline:auto}

/* ---------- waitlist ---------- */
.waitlist{
  background:
    radial-gradient(700px 400px at 88% 12%, rgba(45,212,191,.26), transparent 62%),
    linear-gradient(150deg,var(--navy-800),var(--navy-700));
  color:#fff;padding-block:96px;
}
.waitlist-inner{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.waitlist-copy h2{color:#fff;font-size:clamp(1.9rem,2.9vw,2.5rem);font-weight:700;margin-bottom:16px}
.waitlist-copy p{color:#BCD2E8;margin-bottom:24px;max-width:34em}

.waitlist-form,.contact-form{display:flex;flex-direction:column;gap:18px}
.waitlist-form{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
  padding:32px;border-radius:var(--r-xl);backdrop-filter:blur(10px);
  box-shadow:0 20px 60px rgba(4,14,28,.3);
}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:14px;font-weight:600;color:#DCE9F6}
.contact-form .field label{color:var(--navy-800)}
.field input,.field select,.field textarea{
  font-family:var(--sans);font-size:16px;color:var(--ink);
  background:#fff;border:1.5px solid transparent;border-radius:var(--r-sm);
  padding:15px 16px;width:100%;transition:border-color .2s,box-shadow .2s;
}
.contact-form .field input,.contact-form .field textarea{border-color:var(--line);background:#fff}
.field textarea{resize:vertical;min-height:130px}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--teal-600);box-shadow:0 0 0 4px rgba(13,148,136,.18);
}
.field input[aria-invalid="true"],.field textarea[aria-invalid="true"]{border-color:#E4574C;box-shadow:0 0 0 4px rgba(228,87,76,.16)}
.field select{appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236B7F95' stroke-width='2.2' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;background-size:18px;padding-right:44px;
}
.err{font-size:13px;color:#FFB4AE;font-weight:500}
.contact-form .err{color:#D0342B}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-status{font-size:14.5px;min-height:1.2em;font-weight:500}
.form-status.ok{color:var(--teal-400)}
.contact-form .form-status.ok{color:var(--teal-700)}
.form-status.bad{color:#FFB4AE}
.contact-form .form-status.bad{color:#D0342B}
.form-fine{font-size:12.5px;color:#9FBAD6;text-align:center}
.form-fine a{color:#CFE3F6;text-decoration:underline}
.waitlist .trust{color:#9FBAD6}

/* ---------- FAQ ---------- */
.faq{display:flex;flex-direction:column;gap:12px}
.faq details{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);
  box-shadow:var(--sh-sm);transition:border-color .2s,box-shadow .2s;
}
.faq details[open]{border-color:#C9E4E0;box-shadow:var(--sh)}
.faq summary{
  list-style:none;cursor:pointer;padding:22px 26px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  font-family:var(--display);font-weight:700;font-size:1.06rem;color:var(--ink);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--teal-700)}
.chev{
  flex:0 0 auto;width:12px;height:12px;border-right:2.4px solid var(--muted);border-bottom:2.4px solid var(--muted);
  transform:rotate(45deg) translate(-2px,-2px);transition:transform .25s var(--ease),border-color .2s;
}
.faq details[open] .chev{transform:rotate(-135deg) translate(-3px,-3px);border-color:var(--teal-600)}
.faq-body{padding:0 26px 24px;font-size:15.6px;color:var(--body);max-width:64ch}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:34px}
.contact-card{
  display:flex;flex-direction:column;gap:5px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r);
  padding:24px;box-shadow:var(--sh-sm);color:var(--body);
  transition:transform .2s var(--ease),border-color .2s,box-shadow .2s;
}
.contact-card:hover{transform:translateY(-3px);border-color:var(--teal-600);box-shadow:var(--sh);color:var(--body)}
.contact-ic{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:var(--blue-50);color:var(--blue-600);margin-bottom:8px;
}
.contact-card strong{color:var(--navy-800);font-size:15.6px}
.contact-card span:last-child{font-size:14.5px;color:var(--muted)}
.contact-form{background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);padding:32px;box-shadow:var(--sh-sm)}
.contact-form .btn{align-self:flex-start}
.row-2{display:grid;grid-template-columns:1fr 1fr;gap:18px}

/* ---------- footer ---------- */
.site-footer{background:var(--navy-900);color:#A9C2DC;padding-top:76px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:44px;padding-bottom:56px}
.footer-brand p{font-size:15px;color:#8FAAC6;margin-top:16px;max-width:32em}
.footer-col h4{
  font-family:var(--mono);font-size:12px;font-weight:600;letter-spacing:.14em;
  text-transform:uppercase;color:#6C89A8;margin-bottom:18px;
}
.footer-col{display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:15px;color:#C0D4E8}
.footer-col a:hover{color:var(--teal-400)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px 26px;justify-content:space-between;align-items:center;
  border-top:1px solid rgba(255,255,255,.09);padding-block:26px 34px;
  font-size:13.4px;color:#6C89A8;
}
.disclaimer{max-width:52ch}

/* ---------- reveal on scroll ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:20px;padding-block:56px 72px;text-align:center}
  .hero-copy .lede{margin-inline:auto}
  .hero-cta,.trust{justify-content:center}
  .hero-art{min-height:480px;margin-top:18px}
  .float-match{left:2%}
  .float-session{left:0}
  .cards,.steps,.tiers{grid-template-columns:repeat(2,1fr)}
  .tier-featured{grid-column:1/-1}
  .waitlist-inner{grid-template-columns:1fr;gap:38px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .footer-brand{grid-column:1/-1}
}

@media (max-width:860px){
  .nav{
    position:fixed;inset:76px 0 auto;flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-bottom:1px solid var(--line);
    box-shadow:0 18px 40px rgba(11,37,69,.14);
    padding:10px 24px 26px;
    transform:translateY(-140%);transition:transform .32s var(--ease);
    max-height:calc(100vh - 76px);overflow-y:auto;
  }
  .nav.open{transform:translateY(0)}
  .nav a{padding:16px 4px;font-size:17px;color:var(--navy-800);border-bottom:1px solid var(--line)}
  .site-header .nav a{color:var(--navy-800)}
  .nav .nav-cta{margin-top:18px;border-bottom:none;justify-content:center;color:#fff}
  .site-header .nav .nav-cta{color:#fff}
  .nav-toggle{display:flex}
  .site-header{background:rgba(255,255,255,0)}
  .site-header.nav-open{background:#fff;border-bottom-color:var(--line)}
  .site-header.nav-open .brand-text{color:var(--navy-800)}
  .site-header.nav-open .brand-text span{color:var(--teal-600)}
  .site-header.nav-open .nav-toggle{background:var(--blue-50);border-color:var(--line)}
  .site-header.nav-open .nav-toggle span{background:var(--navy-800)}
}

@media (max-width:720px){
  body{font-size:16px}
  .section{padding-block:72px}
  .section-head{margin-bottom:42px}
  .stat-grid{grid-template-columns:1fr;gap:16px;padding-block:24px}
  .stat{flex-direction:row;align-items:baseline;gap:12px}
  .stat strong{font-size:1.4rem}
  .cards,.steps,.tiers,.contact-grid,.row-2{grid-template-columns:1fr}
  .tier-featured{grid-column:auto}
  .hero-art{min-height:430px}
  .phone-front{width:230px}
  .phone-back{width:196px;right:-2%}
  .float-match{left:0;top:10%;padding:10px 13px}
  .float-session{left:-2%;bottom:8%;padding:10px 13px}
  .gallery{padding-inline:24px}
  .gallery figure{width:205px}
  .waitlist-form,.contact-form{padding:24px}
  .footer-grid{grid-template-columns:1fr;gap:34px;padding-bottom:44px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .btn,.appstore-btn{width:100%}
  .hero-cta{flex-direction:column;width:100%}
  .contact-form .btn{align-self:stretch}
}

@media (max-width:400px){
  .hero-copy h1{font-size:2.15rem}
  .phone-front{width:200px}
  .phone-back{display:none}
}

/* ---------- motion / print ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .mark::before{transform:scaleX(1)}
  .reveal{opacity:1;transform:none}
  .hero-bg .ecg path{stroke-dashoffset:0}
}
@media print{
  .site-header,.hero-art,.gallery,.nav-toggle{display:none}
  body{color:#000}
}