/* =====================================================================
   leahbadach.com — Adaptive Design System v1  (app.css)
   Desktop = editorial website · Phone/Tablet = installable app
   Builds on the existing dark-navy + gold luxury palette.
   ===================================================================== */

/* ---- Design tokens ---- */
:root {
  /* color */
  --bg:        #0A0F18;
  --bg-2:      #0E1421;
  --surface:   rgba(255,255,255,0.045);
  --surface-2: rgba(255,255,255,0.07);
  --border:    rgba(255,255,255,0.09);
  --gold:      #C9A96E;
  --gold-br:   #E4C886;
  --gold-soft: rgba(201,169,110,0.12);
  --white:     #FFFFFF;
  --text:      rgba(255,255,255,0.90);
  --text-mid:  rgba(255,255,255,0.56);
  --text-dim:  rgba(255,255,255,0.34);

  /* fluid type — scales smoothly between phone and desktop */
  --fs-eyebrow: clamp(0.62rem, 0.55rem + 0.3vw, 0.72rem);
  --fs-body:    clamp(0.92rem, 0.88rem + 0.25vw, 1.02rem);
  --fs-lede:    clamp(1.05rem, 0.98rem + 0.6vw, 1.3rem);
  --fs-h3:      clamp(1.1rem, 1rem + 0.7vw, 1.4rem);
  --fs-h2:      clamp(1.5rem, 1.25rem + 1.6vw, 2.4rem);
  --fs-h1:      clamp(2.1rem, 1.5rem + 3.4vw, 4rem);
  --fs-display: clamp(2.6rem, 1.6rem + 5vw, 5.5rem);

  /* space + shape */
  --radius:   16px;
  --radius-lg:24px;
  --shadow:   0 20px 50px -20px rgba(0,0,0,0.6);
  --glass-blur: 16px;
  --header-h: 72px;
  --tabbar-h: 64px;
  --maxw: 1180px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---- Reset / base ---- */
* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body {
  font-family:'DM Sans',system-ui,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:var(--fs-body);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  /* mesh-ish ambient glow */
  background-image:
    radial-gradient(900px 500px at 80% -5%, rgba(201,169,110,0.10), transparent 60%),
    radial-gradient(700px 600px at 0% 10%, rgba(80,110,200,0.06), transparent 55%);
  background-attachment:fixed;
}
img { max-width:100%; display:block; }
a { color:inherit; text-decoration:none; }
h1,h2,h3 { font-family:'DM Serif Display',Georgia,serif; font-weight:400; line-height:1.08; letter-spacing:-0.01em; }

/* gold-on-white gradient text used for big headings */
.grad {
  background:linear-gradient(135deg, var(--white) 0%, var(--gold) 120%);
  -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent;
}

/* ---- Cross-document native page transitions (the "app" feel) ---- */
@view-transition { navigation: auto; }
::view-transition-old(root){ animation:vt-out .28s var(--ease) both; }
::view-transition-new(root){ animation:vt-in .34s var(--ease) both; }
@keyframes vt-out { to { opacity:0; transform:translateY(-8px) scale(.99); } }
@keyframes vt-in  { from { opacity:0; transform:translateY(10px) scale(.99); } }

/* ============================ LAYOUT ============================ */
.wrap { width:100%; max-width:var(--maxw); margin-inline:auto; padding-inline:clamp(1.1rem, 4vw, 2.5rem); }
.section { padding-block:clamp(3rem, 7vw, 6.5rem); }
.eyebrow { font-size:var(--fs-eyebrow); letter-spacing:0.22em; text-transform:uppercase; color:var(--gold); font-weight:600; }

/* ============================ HEADER (desktop website nav) ============================ */
.site-header {
  position:sticky; top:0; z-index:50;
  height:var(--header-h);
  display:flex; align-items:center;
  background:rgba(10,15,24,0.55);
  backdrop-filter:blur(var(--glass-blur)) saturate(140%);
  -webkit-backdrop-filter:blur(var(--glass-blur)) saturate(140%);
  border-bottom:1px solid transparent;
  transition:height .3s var(--ease), background .3s var(--ease), border-color .3s var(--ease);
}
.site-header.scrolled {
  height:58px;
  background:rgba(10,15,24,0.82);
  border-bottom-color:var(--border);
}
.site-header .wrap { display:flex; align-items:center; justify-content:space-between; gap:1.5rem; }
.brand { font-family:'DM Serif Display',serif; font-size:1.15rem; color:var(--white); white-space:nowrap; }
.brand .accent { color:var(--gold); }
.nav-desktop { display:flex; align-items:center; gap:0.35rem; }
.nav-desktop a {
  font-size:0.86rem; font-weight:500; color:var(--text-mid);
  padding:0.5rem 0.85rem; border-radius:99px; transition:color .2s, background .2s;
}
.nav-desktop a:hover { color:var(--white); background:var(--surface); }
.nav-cta {
  font-size:0.85rem; font-weight:600; color:var(--bg)!important;
  background:linear-gradient(135deg,var(--gold),var(--gold-br));
  padding:0.6rem 1.1rem!important; border-radius:99px;
  box-shadow:0 6px 18px -6px rgba(201,169,110,.6);
  transition:transform .2s var(--ease), box-shadow .2s;
}
.nav-cta:hover { transform:translateY(-2px); box-shadow:0 10px 26px -8px rgba(201,169,110,.7); }

/* ============================ BOTTOM TAB BAR (mobile app nav) ============================ */
.tabbar { display:none; }
@media (max-width: 860px){
  .nav-desktop:not(.in-menu) { display:none; }
  .tabbar {
    display:grid; grid-template-columns:repeat(5,1fr);
    position:fixed; left:0; right:0; bottom:0; z-index:60;
    height:calc(var(--tabbar-h) + env(safe-area-inset-bottom));
    padding-bottom:env(safe-area-inset-bottom);
    background:rgba(12,18,30,0.86);
    backdrop-filter:blur(var(--glass-blur)) saturate(150%);
    -webkit-backdrop-filter:blur(var(--glass-blur)) saturate(150%);
    border-top:1px solid var(--border);
  }
  .tabbar a {
    display:flex; flex-direction:column; align-items:center; justify-content:center; gap:3px;
    font-size:0.6rem; letter-spacing:0.03em; color:var(--text-dim); font-weight:500;
    transition:color .2s;
  }
  .tabbar a i { font-size:1.15rem; transition:transform .2s var(--ease); }
  .tabbar a.active { color:var(--gold); }
  .tabbar a.active i { transform:translateY(-2px); }
  .tabbar a:active i { transform:scale(0.86); }
  /* lift content above the bar + reserve space for sticky CTA */
  body { padding-bottom:calc(var(--tabbar-h) + env(safe-area-inset-bottom)); }
}

/* ============================ HERO ============================ */
.hero { position:relative; padding-block:clamp(3.5rem, 9vw, 8rem) clamp(2.5rem,6vw,5rem); }
.hero h1 { font-size:var(--fs-h1); color:var(--white); margin-bottom:1.1rem; }
.hero .lede { font-size:var(--fs-lede); color:var(--text-mid); max-width:46ch; margin-bottom:2rem; }
.hero-badges { display:flex; flex-wrap:wrap; gap:0.5rem; margin-bottom:1.6rem; }
.pill {
  font-size:0.72rem; font-weight:500; color:var(--text-mid);
  border:1px solid var(--border); border-radius:99px; padding:0.32rem 0.8rem;
  background:var(--surface);
}
.pill i { color:var(--gold); margin-right:0.35rem; }

/* ============================ BUTTONS ============================ */
.btn {
  display:inline-flex; align-items:center; gap:0.55rem;
  font-family:'DM Sans',sans-serif; font-weight:600; font-size:0.92rem;
  padding:0.85rem 1.5rem; border-radius:12px; cursor:pointer; border:1px solid transparent;
  transition:transform .22s var(--ease), box-shadow .22s, background .22s, border-color .22s;
}
.btn-primary { background:linear-gradient(135deg,var(--gold),var(--gold-br)); color:var(--bg);
  box-shadow:0 10px 26px -10px rgba(201,169,110,.7); }
.btn-primary:hover { transform:translateY(-2px); box-shadow:0 16px 34px -12px rgba(201,169,110,.8); }
.btn-ghost { background:var(--surface); border-color:var(--border); color:var(--text); }
.btn-ghost:hover { background:var(--surface-2); transform:translateY(-2px); }
.btn-row { display:flex; flex-wrap:wrap; gap:0.8rem; }

/* ============================ BENTO GRID ============================ */
.bento { display:grid; gap:0.9rem; grid-template-columns:repeat(12,1fr); }
.card {
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius);
  padding:clamp(1.2rem,2.5vw,1.8rem);
  backdrop-filter:blur(8px); -webkit-backdrop-filter:blur(8px);
  transition:transform .3s var(--ease), border-color .3s, background .3s;
  container-type:inline-size;
}
.card:hover { transform:translateY(-4px); border-color:rgba(201,169,110,0.28); background:var(--surface-2); }
.card .stat-num { font-family:'DM Serif Display',serif; font-size:clamp(1.8rem,1rem+3vw,2.8rem); color:var(--gold); line-height:1; }
.card .stat-lbl { font-size:0.7rem; text-transform:uppercase; letter-spacing:0.12em; color:var(--text-dim); margin-top:0.4rem; }
.card h3 { font-size:var(--fs-h3); color:var(--white); margin-bottom:0.4rem; }
.card p { font-size:0.88rem; color:var(--text-mid); }
.card .ico { width:42px; height:42px; border-radius:11px; display:grid; place-items:center; background:var(--gold-soft); color:var(--gold); font-size:1.05rem; margin-bottom:0.9rem; }
.col-12{grid-column:span 12} .col-8{grid-column:span 8} .col-6{grid-column:span 6}
.col-4{grid-column:span 4} .col-3{grid-column:span 3}
@media (max-width:860px){
  .col-8,.col-6,.col-4,.col-3{ grid-column:span 6; }
}
@media (max-width:520px){
  .col-8,.col-6{ grid-column:span 12; }
}

/* ============================ SECTION HEADINGS ============================ */
.sec-head { max-width:54ch; margin-bottom:clamp(1.5rem,3vw,2.5rem); }
.sec-head h2 { font-size:var(--fs-h2); color:var(--white); margin:0.5rem 0 0.6rem; }
.sec-head p { font-size:var(--fs-lede); color:var(--text-mid); }

/* ============================ SCROLL-DRIVEN REVEAL ============================ */
.reveal { opacity:0; transform:translateY(22px); transition:opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity:1; transform:none; }
.reveal[data-d="1"]{ transition-delay:.06s } .reveal[data-d="2"]{ transition-delay:.12s }
.reveal[data-d="3"]{ transition-delay:.18s } .reveal[data-d="4"]{ transition-delay:.24s }

/* ============================ STICKY MOBILE CTA ============================ */
.sticky-cta { display:none; }
@media (max-width:860px){
  .sticky-cta {
    display:block; position:fixed; left:0; right:0;
    bottom:calc(var(--tabbar-h) + env(safe-area-inset-bottom)); z-index:55;
    padding:0.7rem clamp(1rem,4vw,1.5rem);
    background:linear-gradient(to top, rgba(10,15,24,0.95), rgba(10,15,24,0.0));
  }
  .sticky-cta .btn { width:100%; justify-content:center; }
}

/* ============================ FOOTER ============================ */
.site-footer { border-top:1px solid var(--border); background:var(--bg-2); margin-top:2rem; }
.site-footer .wrap { padding-block:clamp(2.5rem,5vw,4rem); }
.foot-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(150px,1fr)); gap:1.8rem; }
.foot-grid h5 { font-size:0.7rem; text-transform:uppercase; letter-spacing:0.14em; color:var(--gold); margin-bottom:0.8rem; }
.foot-grid a { display:block; font-size:0.85rem; color:var(--text-mid); padding:0.2rem 0; transition:color .2s; }
.foot-grid a:hover { color:var(--white); }
.foot-bottom { margin-top:2rem; padding-top:1.5rem; border-top:1px solid var(--border); font-size:0.74rem; color:var(--text-dim); }

/* ============================ ACCESSIBILITY ============================ */
:focus-visible { outline:2px solid var(--gold); outline-offset:3px; border-radius:6px; }
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after { animation-duration:.001ms!important; transition-duration:.001ms!important; scroll-behavior:auto!important; }
  .reveal{ opacity:1; transform:none; }
  @view-transition { navigation: none; }
}