/* ============================================================
   Strub & Dragons — landing.css
   Shared styles for index.html (public) + surprise.html (perso)
   Vanilla CSS only. Mobile-first. Palette or & dark fantasy.
   ============================================================ */

:root{
  --gold:#d4af37;
  --gold-bright:#f7e08f;
  --gold-deep:#9c7a19;
  --ink:#0a0805;
  --ink-2:#120d09;
  --panel:#1a1410;
  --panel-2:#221911;
  --line:rgba(212,175,55,.18);
  --line-strong:rgba(212,175,55,.4);
  --text:#efe7d6;
  --text-dim:#b7ab93;
  --text-faint:#8a8069;
  --shadow:0 24px 60px -20px rgba(0,0,0,.8);
  --r-lg:22px;
  --r-md:14px;
  --maxw:1120px;
  --font-display:"Cinzel", Georgia, "Times New Roman", serif;
  --font-serif:"Cormorant Garamond", Georgia, serif;
  --font-body:"Spectral", Georgia, serif;
}

*,*::before,*::after{box-sizing:border-box;}

html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}

body{
  margin:0;
  font-family:var(--font-body);
  color:var(--text);
  background:var(--ink);
  line-height:1.6;
  font-size:17px;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
}

img{max-width:100%;display:block;}
a{color:inherit;}

.wrap{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:clamp(20px,5vw,40px);}

/* ---------- Typography helpers ---------- */
.display{font-family:var(--font-display);font-weight:700;line-height:1.05;letter-spacing:.01em;}
.eyebrow{
  font-family:var(--font-display);
  text-transform:uppercase;
  letter-spacing:.34em;
  font-size:.72rem;
  color:var(--gold);
  font-weight:600;
}
.text-dim{color:var(--text-dim);}

/* ---------- Buttons ---------- */
.btn{
  --bw:1px;
  display:inline-flex;align-items:center;justify-content:center;gap:.55em;
  font-family:var(--font-display);
  font-weight:600;
  font-size:1.02rem;
  letter-spacing:.04em;
  padding:.95em 1.7em;
  border-radius:999px;
  border:var(--bw) solid transparent;
  cursor:pointer;
  text-decoration:none;
  transition:transform .25s cubic-bezier(.2,.7,.2,1), box-shadow .3s ease, background .3s ease, color .3s ease;
  will-change:transform;
}
.btn:active{transform:translateY(1px) scale(.99);}

.btn-primary{
  color:#1a1207;
  background:linear-gradient(135deg,var(--gold-bright),var(--gold) 55%,var(--gold-deep));
  box-shadow:0 0 0 1px rgba(247,224,143,.4) inset, 0 12px 30px -10px rgba(212,175,55,.6);
}
.btn-primary:hover{
  transform:translateY(-3px);
  box-shadow:0 0 0 1px rgba(247,224,143,.6) inset, 0 18px 40px -10px rgba(212,175,55,.75);
}
.btn-ghost{
  color:var(--gold);
  background:rgba(212,175,55,.06);
  border-color:var(--line-strong);
}
.btn-ghost:hover{background:rgba(212,175,55,.13);transform:translateY(-2px);}
.btn-lg{font-size:1.15rem;padding:1.05em 2.1em;}

/* ============================================================
   ATMOSPHERE  (shared animated background)
   ============================================================ */
.atmosphere{position:fixed;inset:0;z-index:-2;overflow:hidden;background:var(--ink);}
.atmosphere::before{
  content:"";position:absolute;inset:-20%;
  background:
    radial-gradient(60% 50% at 50% -5%, rgba(212,175,55,.16), transparent 60%),
    radial-gradient(45% 45% at 85% 20%, rgba(150,60,40,.14), transparent 60%),
    radial-gradient(55% 60% at 12% 75%, rgba(60,90,150,.12), transparent 60%),
    linear-gradient(160deg,#120d09,#0a0805 60%,#070504);
  animation:drift 26s ease-in-out infinite alternate;
}
.atmosphere::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(120% 120% at 50% 0%, transparent 55%, rgba(0,0,0,.55) 100%);
  pointer-events:none;
}
@keyframes drift{
  0%{transform:translate3d(-1.5%,-1%,0) scale(1.02);}
  100%{transform:translate3d(2%,1.5%,0) scale(1.06);}
}
/* canvas embers from js/landing.js */
#ember-canvas{position:fixed;inset:0;z-index:-1;width:100%;height:100%;pointer-events:none;}

/* faint texture grain */
.grain{
  position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.05;mix-blend-mode:overlay;
  background-image:radial-gradient(rgba(255,255,255,.6) .5px, transparent .5px);
  background-size:3px 3px;
}

/* ============================================================
   HERO  (public)
   ============================================================ */
.hero{
  position:relative;
  min-height:100svh;
  display:flex;flex-direction:column;
  justify-content:center;
  text-align:center;
  padding-block:clamp(80px,14vh,140px) 60px;
}
.hero .wrap{display:flex;flex-direction:column;align-items:center;gap:1.6rem;}

.crest{
  width:74px;height:74px;
  filter:drop-shadow(0 6px 18px rgba(212,175,55,.45));
  animation:floaty 6s ease-in-out infinite;
}
@keyframes floaty{50%{transform:translateY(-8px);}}

.hero-title{
  font-family:var(--font-display);
  font-weight:800;
  font-size:clamp(2.7rem,9vw,5.8rem);
  line-height:1;
  margin:0;
  letter-spacing:.005em;
  background:linear-gradient(180deg,#fff7e2 0%,var(--gold-bright) 30%,var(--gold) 62%,var(--gold-deep) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  text-shadow:0 2px 40px rgba(212,175,55,.25);
}
.hero-title .amp{
  display:inline-block;
  font-family:var(--font-serif);
  font-style:italic;
  font-weight:600;
  padding-inline:.12em;
  -webkit-text-fill-color:var(--gold);
}
.hero-tagline{
  font-family:var(--font-serif);
  font-size:clamp(1.25rem,3.6vw,1.9rem);
  font-style:italic;
  color:var(--text-dim);
  max-width:24ch;
  margin:0 auto;
  line-height:1.35;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:.9rem;justify-content:center;margin-top:.6rem;}

.scroll-cue{
  margin-top:2.2rem;
  display:inline-flex;flex-direction:column;align-items:center;gap:.4rem;
  color:var(--text-faint);font-size:.78rem;letter-spacing:.28em;text-transform:uppercase;
  font-family:var(--font-display);
  text-decoration:none;
}
.scroll-cue span{font-size:1.3rem;animation:bob 1.8s ease-in-out infinite;}
@keyframes bob{50%{transform:translateY(7px);}}

/* divider rule */
.rule{
  width:100%;max-width:var(--maxw);height:1px;margin:0 auto;
  background:linear-gradient(90deg,transparent,var(--line-strong),transparent);
}

/* ============================================================
   SECTIONS
   ============================================================ */
.section{position:relative;padding-block:clamp(64px,11vh,120px);}
.section-head{text-align:center;max-width:60ch;margin:0 auto clamp(36px,6vh,60px);}
.section-head h2{
  font-family:var(--font-display);
  font-weight:700;
  font-size:clamp(1.9rem,5.4vw,3.1rem);
  margin:.5rem 0 .6rem;
  line-height:1.08;
  color:#f3ead4;
}
.section-head p{color:var(--text-dim);font-size:1.08rem;margin:0;}

/* ---------- Feature cards ---------- */
.features-grid{
  display:grid;gap:1.1rem;
  grid-template-columns:1fr;
}
.feature{
  position:relative;
  padding:1.7rem 1.5rem;
  border-radius:var(--r-md);
  background:linear-gradient(160deg,rgba(34,25,17,.9),rgba(18,13,9,.85));
  border:1px solid var(--line);
  overflow:hidden;
  transition:transform .4s cubic-bezier(.2,.7,.2,1), border-color .4s, box-shadow .4s;
}
.feature::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(80% 60% at 50% 0%,rgba(212,175,55,.12),transparent 70%);
  opacity:0;transition:opacity .4s;
}
.feature:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:var(--shadow);}
.feature:hover::before{opacity:1;}
.feature-icon{
  font-size:2rem;width:56px;height:56px;
  display:grid;place-items:center;
  border-radius:14px;
  background:radial-gradient(circle at 30% 25%,rgba(212,175,55,.25),rgba(212,175,55,.05));
  border:1px solid var(--line-strong);
  margin-bottom:1rem;
}
.feature h3{font-family:var(--font-display);font-weight:600;font-size:1.22rem;margin:0 0 .45rem;color:#f1e7cf;}
.feature p{margin:0;color:var(--text-dim);font-size:1rem;line-height:1.55;}

/* ---------- Steps ---------- */
.steps{
  display:grid;gap:1.3rem;grid-template-columns:1fr;counter-reset:step;
}
.step{
  position:relative;
  display:flex;gap:1.1rem;align-items:flex-start;
  padding:1.4rem 1.4rem 1.4rem 1.2rem;
  border-radius:var(--r-md);
  background:rgba(18,13,9,.55);
  border:1px solid var(--line);
}
.step-num{
  flex:0 0 auto;
  width:46px;height:46px;border-radius:50%;
  display:grid;place-items:center;
  font-family:var(--font-display);font-weight:700;font-size:1.2rem;
  color:#1a1207;
  background:linear-gradient(135deg,var(--gold-bright),var(--gold-deep));
  box-shadow:0 8px 20px -8px rgba(212,175,55,.6);
}
.step h3{font-family:var(--font-display);font-weight:600;font-size:1.15rem;margin:.2rem 0 .35rem;color:#f1e7cf;}
.step p{margin:0;color:var(--text-dim);}
.steps-line{display:none;}

/* ---------- Final CTA band ---------- */
.cta-band{
  position:relative;
  text-align:center;
  padding:clamp(48px,9vh,90px) clamp(20px,5vw,40px);
  margin:clamp(40px,8vh,80px) auto 0;
  max-width:var(--maxw);
  border-radius:var(--r-lg);
  background:
    radial-gradient(120% 140% at 50% 0%,rgba(212,175,55,.16),transparent 60%),
    linear-gradient(160deg,rgba(34,25,17,.95),rgba(12,9,6,.95));
  border:1px solid var(--line-strong);
  overflow:hidden;
}
.cta-band h2{font-family:var(--font-display);font-weight:700;font-size:clamp(1.8rem,5vw,2.8rem);margin:0 0 .7rem;color:#f6edd6;}
.cta-band p{color:var(--text-dim);max-width:46ch;margin:0 auto 1.8rem;font-size:1.1rem;}

/* ---------- Footer ---------- */
.foot{
  text-align:center;
  padding:clamp(40px,7vh,70px) 20px 50px;
  color:var(--text-faint);
}
.foot .brand{font-family:var(--font-display);color:var(--gold);letter-spacing:.06em;font-size:1.05rem;}
.foot .dot{opacity:.4;margin-inline:.6em;}
.foot a{color:var(--text-dim);text-decoration:none;border-bottom:1px solid var(--line);}
.foot a:hover{color:var(--gold);}
.foot small{display:block;margin-top:.7rem;font-size:.82rem;}

/* ============================================================
   SCROLL REVEAL
   ============================================================ */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s ease,transform .8s cubic-bezier(.2,.7,.2,1);}
.reveal.in{opacity:1;transform:none;}
.reveal.d1{transition-delay:.08s;}
.reveal.d2{transition-delay:.16s;}
.reveal.d3{transition-delay:.24s;}

/* ============================================================
   SURPRISE PAGE
   ============================================================ */
.party{
  --confetti-on:1;
}
.party .atmosphere::before{
  background:
    radial-gradient(55% 45% at 50% -5%, rgba(255,108,140,.18), transparent 60%),
    radial-gradient(45% 45% at 82% 18%, rgba(112,160,255,.16), transparent 60%),
    radial-gradient(55% 55% at 14% 78%, rgba(120,220,170,.13), transparent 60%),
    radial-gradient(50% 50% at 50% 50%, rgba(212,175,55,.10), transparent 70%),
    linear-gradient(160deg,#171009,#0c0806 60%,#080605);
}
#confetti-canvas{position:fixed;inset:0;z-index:5;width:100%;height:100%;pointer-events:none;}

.party-hero{
  position:relative;
  min-height:100svh;
  display:flex;flex-direction:column;justify-content:center;align-items:center;
  text-align:center;
  padding:clamp(70px,12vh,120px) 0 50px;
}
.badge-40{
  position:relative;
  font-family:var(--font-display);font-weight:800;
  font-size:clamp(4.6rem,22vw,11rem);line-height:.9;
  background:conic-gradient(from 210deg,#f7e08f,#ff8a5c,#ff6c8c,#9b8cff,#7ad0ff,#f7e08f);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 10px 30px rgba(212,175,55,.35));
  animation:pop .9s cubic-bezier(.2,.9,.3,1.4) both, sheen 8s linear infinite;
  background-size:200% 200%;
}
@keyframes sheen{to{background-position:200% 0;}}
@keyframes pop{from{opacity:0;transform:scale(.4) rotate(-6deg);}to{opacity:1;transform:none;}}

.party-hello{
  font-family:var(--font-display);font-weight:700;
  font-size:clamp(1.6rem,6vw,3rem);
  margin:.3rem 0 0;color:#f6edd6;
  text-shadow:0 2px 30px rgba(0,0,0,.6);
}
.party-hello .name{
  background:linear-gradient(180deg,#fff7e2,var(--gold) 70%,var(--gold-deep));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.party-sub{
  font-family:var(--font-serif);font-style:italic;
  font-size:clamp(1.2rem,4vw,1.7rem);
  color:var(--text-dim);margin:.9rem auto 0;max-width:26ch;
}
.party-emoji{font-size:clamp(1.6rem,6vw,2.4rem);letter-spacing:.2em;margin-top:.6rem;}

/* staged reveal beats */
.beats{display:grid;gap:clamp(28px,6vh,56px);max-width:680px;margin-inline:auto;}
.beat{
  position:relative;
  padding:2rem clamp(1.3rem,4vw,2.3rem);
  border-radius:var(--r-lg);
  background:linear-gradient(160deg,rgba(36,25,17,.92),rgba(15,11,8,.9));
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow);
}
.beat .beat-tag{
  display:inline-flex;align-items:center;gap:.5em;
  font-family:var(--font-display);font-size:.74rem;letter-spacing:.24em;text-transform:uppercase;
  color:var(--gold);
  padding:.4em .9em;border-radius:999px;border:1px solid var(--line-strong);
  background:rgba(212,175,55,.07);
  margin-bottom:1rem;
}
.beat h3{
  font-family:var(--font-display);font-weight:700;
  font-size:clamp(1.5rem,5vw,2.1rem);
  margin:0 0 .7rem;color:#f5ecd5;line-height:1.12;
}
.beat p{color:var(--text);font-size:1.08rem;margin:0 0 .8rem;}
.beat p:last-child{margin-bottom:0;}
.beat strong{color:var(--gold-bright);font-weight:600;}
.beat .big-emoji{font-size:2.6rem;display:block;margin-bottom:.5rem;}

.heart-line{
  text-align:center;max-width:30ch;margin:clamp(36px,7vh,64px) auto 0;
  font-family:var(--font-serif);font-style:italic;
  font-size:clamp(1.4rem,5vw,2.2rem);line-height:1.3;
  color:#f3ead4;
}
.heart-line .sig{
  display:block;margin-top:1.1rem;
  font-family:var(--font-display);font-style:normal;font-size:.95rem;letter-spacing:.18em;
  text-transform:uppercase;color:var(--text-faint);
}

.party-cta{text-align:center;margin:clamp(40px,8vh,80px) auto;}
.btn-party{
  font-size:clamp(1.05rem,3.4vw,1.35rem);
  padding:1.1em 2.2em;
  background:linear-gradient(135deg,#ffd97a,#ff9a5c 45%,#ff6c8c);
  color:#2a0f12;
  box-shadow:0 0 0 1px rgba(255,224,143,.5) inset,0 16px 44px -12px rgba(255,108,140,.6);
  animation:wiggle 3.4s ease-in-out infinite;
}
.btn-party:hover{transform:translateY(-3px) scale(1.02);box-shadow:0 0 0 1px rgba(255,224,143,.7) inset,0 22px 54px -12px rgba(255,108,140,.75);}
@keyframes wiggle{0%,92%,100%{transform:none;}94%{transform:rotate(-2deg);}96%{transform:rotate(2deg);}98%{transform:rotate(-1deg);}}

/* tiny brand chip on surprise page */
.brand-chip{
  display:inline-flex;align-items:center;gap:.55em;
  font-family:var(--font-display);letter-spacing:.05em;
  color:var(--gold);font-size:.95rem;
  padding:.5em 1.1em;border-radius:999px;border:1px solid var(--line-strong);
  background:rgba(212,175,55,.06);
}
.brand-chip img{width:22px;height:22px;}

/* ============================================================
   RESPONSIVE  (tablet / desktop)
   ============================================================ */
@media (min-width:680px){
  .features-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(3,1fr);position:relative;}
  .step{flex-direction:column;text-align:center;align-items:center;}
  .steps-line{
    display:block;position:absolute;top:46px;left:16%;right:16%;height:2px;z-index:0;
    background:linear-gradient(90deg,transparent,var(--line-strong),transparent);
  }
  .step{z-index:1;background:transparent;border:none;}
}
@media (min-width:980px){
  .features-grid{grid-template-columns:repeat(4,1fr);}
}